diff options
Diffstat (limited to '')
| -rw-r--r-- | devlink/devlink.c | 10206 |
1 files changed, 10206 insertions, 0 deletions
diff --git a/devlink/devlink.c b/devlink/devlink.c new file mode 100644 index 0000000..dbeb6e3 --- /dev/null +++ b/devlink/devlink.c @@ -0,0 +1,10206 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * devlink.c Devlink tool + * + * Authors: Jiri Pirko <jiri@mellanox.com> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <stdbool.h> +#include <unistd.h> +#include <getopt.h> +#include <limits.h> +#include <errno.h> +#include <inttypes.h> +#include <signal.h> +#include <time.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <sys/sysinfo.h> +#define _LINUX_SYSINFO_H /* avoid collision with musl header */ +#include <linux/genetlink.h> +#include <linux/devlink.h> +#include <linux/netlink.h> +#include <linux/net_namespace.h> +#include <libmnl/libmnl.h> +#include <netinet/ether.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/time.h> +#include <rt_names.h> + +#include "version.h" +#include "list.h" +#include "mnlg.h" +#include "mnl_utils.h" +#include "json_print.h" +#include "utils.h" +#include "namespace.h" +#include "libnetlink.h" +#include "../ip/ip_common.h" + +#define ESWITCH_MODE_LEGACY "legacy" +#define ESWITCH_MODE_SWITCHDEV "switchdev" +#define ESWITCH_INLINE_MODE_NONE "none" +#define ESWITCH_INLINE_MODE_LINK "link" +#define ESWITCH_INLINE_MODE_NETWORK "network" +#define ESWITCH_INLINE_MODE_TRANSPORT "transport" + +#define ESWITCH_ENCAP_MODE_NONE "none" +#define ESWITCH_ENCAP_MODE_BASIC "basic" + +#define PARAM_CMODE_RUNTIME_STR "runtime" +#define PARAM_CMODE_DRIVERINIT_STR "driverinit" +#define PARAM_CMODE_PERMANENT_STR "permanent" +#define DL_ARGS_REQUIRED_MAX_ERR_LEN 80 + +#define HEALTH_REPORTER_STATE_HEALTHY_STR "healthy" +#define HEALTH_REPORTER_STATE_ERROR_STR "error" +#define HEALTH_REPORTER_TIMESTAMP_FMT_LEN 80 + +static int g_new_line_count; +static int g_indent_level; +static bool g_indent_newline; +static bool g_err_suspended; + +#define INDENT_STR_STEP 2 +#define INDENT_STR_MAXLEN 32 +static char g_indent_str[INDENT_STR_MAXLEN + 1] = ""; + +static void __attribute__((format(printf, 1, 2))) +pr_err(const char *fmt, ...) +{ + va_list ap; + + if (g_err_suspended) + return; + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +} + +static void __attribute__((format(printf, 1, 2))) +pr_out(const char *fmt, ...) +{ + va_list ap; + + if (g_indent_newline) { + printf("%s", g_indent_str); + g_indent_newline = false; + } + va_start(ap, fmt); + vprintf(fmt, ap); + va_end(ap); + g_new_line_count = 0; +} + +static void __attribute__((format(printf, 2, 3))) +pr_out_sp(unsigned int num, const char *fmt, ...) +{ + va_list ap; + int ret; + + va_start(ap, fmt); + ret = vprintf(fmt, ap); + va_end(ap); + + if (ret < num) + printf("%*s", num - ret, ""); + g_new_line_count = 0; \ +} + +static void __attribute__((format(printf, 1, 2))) +pr_out_tty(const char *fmt, ...) +{ + va_list ap; + + if (!isatty(STDOUT_FILENO)) + return; + va_start(ap, fmt); + vprintf(fmt, ap); + va_end(ap); +} + +static void __pr_out_indent_inc(void) +{ + if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN) + return; + g_indent_level += INDENT_STR_STEP; + memset(g_indent_str, ' ', sizeof(g_indent_str)); + g_indent_str[g_indent_level] = '\0'; +} + +static void __pr_out_indent_dec(void) +{ + if (g_indent_level - INDENT_STR_STEP < 0) + return; + g_indent_level -= INDENT_STR_STEP; + g_indent_str[g_indent_level] = '\0'; +} + +static void __pr_out_newline(void) +{ + if (g_new_line_count < 1) { + pr_out("\n"); + g_indent_newline = true; + } + g_new_line_count++; +} + +static void dummy_signal_handler(int signum) +{ +} + +static int _mnlg_socket_recv_run_intr(struct mnlu_gen_socket *nlg, + mnl_cb_t data_cb, void *data) +{ + struct sigaction act, oact; + int err; + + act.sa_handler = dummy_signal_handler; + sigemptyset(&act.sa_mask); + act.sa_flags = SA_NODEFER; + + sigaction(SIGINT, &act, &oact); + err = mnlu_gen_socket_recv_run(nlg, data_cb, data); + sigaction(SIGINT, &oact, NULL); + if (err < 0 && errno != EINTR) { + pr_err("devlink answers: %s\n", strerror(errno)); + return -errno; + } + return 0; +} + +static int _mnlg_socket_send(struct mnlu_gen_socket *nlg, + const struct nlmsghdr *nlh) +{ + int err; + + err = mnlg_socket_send(nlg, nlh); + if (err < 0) { + pr_err("Failed to call mnlg_socket_send\n"); + return -errno; + } + return 0; +} + +static int _mnlg_socket_group_add(struct mnlu_gen_socket *nlg, + const char *group_name) +{ + int err; + + err = mnlg_socket_group_add(nlg, group_name); + if (err < 0) { + pr_err("Failed to call mnlg_socket_group_add\n"); + return -errno; + } + return 0; +} + +struct ifname_map { + struct list_head list; + char *bus_name; + char *dev_name; + uint32_t port_index; + char *ifname; +}; + +static void ifname_map_free(struct ifname_map *ifname_map) +{ + free(ifname_map->ifname); + free(ifname_map->dev_name); + free(ifname_map->bus_name); + free(ifname_map); +} + +static struct ifname_map *ifname_map_alloc(const char *bus_name, + const char *dev_name, + uint32_t port_index, + const char *ifname) +{ + struct ifname_map *ifname_map; + + ifname_map = calloc(1, sizeof(*ifname_map)); + if (!ifname_map) + return NULL; + ifname_map->bus_name = strdup(bus_name); + ifname_map->dev_name = strdup(dev_name); + ifname_map->port_index = port_index; + ifname_map->ifname = strdup(ifname); + if (!ifname_map->bus_name || !ifname_map->dev_name || + !ifname_map->ifname) { + ifname_map_free(ifname_map); + return NULL; + } + return ifname_map; +} + +static int ifname_map_update(struct ifname_map *ifname_map, const char *ifname) +{ + char *new_ifname; + + new_ifname = strdup(ifname); + if (!new_ifname) + return -ENOMEM; + free(ifname_map->ifname); + ifname_map->ifname = new_ifname; + return 0; +} + +#define DL_OPT_HANDLE BIT(0) +#define DL_OPT_HANDLEP BIT(1) +#define DL_OPT_PORT_TYPE BIT(2) +#define DL_OPT_PORT_COUNT BIT(3) +#define DL_OPT_SB BIT(4) +#define DL_OPT_SB_POOL BIT(5) +#define DL_OPT_SB_SIZE BIT(6) +#define DL_OPT_SB_TYPE BIT(7) +#define DL_OPT_SB_THTYPE BIT(8) +#define DL_OPT_SB_TH BIT(9) +#define DL_OPT_SB_TC BIT(10) +#define DL_OPT_ESWITCH_MODE BIT(11) +#define DL_OPT_ESWITCH_INLINE_MODE BIT(12) +#define DL_OPT_DPIPE_TABLE_NAME BIT(13) +#define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14) +#define DL_OPT_ESWITCH_ENCAP_MODE BIT(15) +#define DL_OPT_RESOURCE_PATH BIT(16) +#define DL_OPT_RESOURCE_SIZE BIT(17) +#define DL_OPT_PARAM_NAME BIT(18) +#define DL_OPT_PARAM_VALUE BIT(19) +#define DL_OPT_PARAM_CMODE BIT(20) +#define DL_OPT_HANDLE_REGION BIT(21) +#define DL_OPT_REGION_SNAPSHOT_ID BIT(22) +#define DL_OPT_REGION_ADDRESS BIT(23) +#define DL_OPT_REGION_LENGTH BIT(24) +#define DL_OPT_FLASH_FILE_NAME BIT(25) +#define DL_OPT_FLASH_COMPONENT BIT(26) +#define DL_OPT_HEALTH_REPORTER_NAME BIT(27) +#define DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD BIT(28) +#define DL_OPT_HEALTH_REPORTER_AUTO_RECOVER BIT(29) +#define DL_OPT_TRAP_NAME BIT(30) +#define DL_OPT_TRAP_ACTION BIT(31) +#define DL_OPT_TRAP_GROUP_NAME BIT(32) +#define DL_OPT_NETNS BIT(33) +#define DL_OPT_TRAP_POLICER_ID BIT(34) +#define DL_OPT_TRAP_POLICER_RATE BIT(35) +#define DL_OPT_TRAP_POLICER_BURST BIT(36) +#define DL_OPT_HEALTH_REPORTER_AUTO_DUMP BIT(37) +#define DL_OPT_PORT_FUNCTION_HW_ADDR BIT(38) +#define DL_OPT_FLASH_OVERWRITE BIT(39) +#define DL_OPT_RELOAD_ACTION BIT(40) +#define DL_OPT_RELOAD_LIMIT BIT(41) +#define DL_OPT_PORT_FLAVOUR BIT(42) +#define DL_OPT_PORT_PFNUMBER BIT(43) +#define DL_OPT_PORT_SFNUMBER BIT(44) +#define DL_OPT_PORT_FUNCTION_STATE BIT(45) +#define DL_OPT_PORT_CONTROLLER BIT(46) +#define DL_OPT_PORT_FN_RATE_TYPE BIT(47) +#define DL_OPT_PORT_FN_RATE_TX_SHARE BIT(48) +#define DL_OPT_PORT_FN_RATE_TX_MAX BIT(49) +#define DL_OPT_PORT_FN_RATE_NODE_NAME BIT(50) +#define DL_OPT_PORT_FN_RATE_PARENT BIT(51) +#define DL_OPT_LINECARD BIT(52) +#define DL_OPT_LINECARD_TYPE BIT(53) +#define DL_OPT_SELFTESTS BIT(54) +#define DL_OPT_PORT_FN_RATE_TX_PRIORITY BIT(55) +#define DL_OPT_PORT_FN_RATE_TX_WEIGHT BIT(56) +#define DL_OPT_PORT_FN_CAPS BIT(57) + +struct dl_opts { + uint64_t present; /* flags of present items */ + char *bus_name; + char *dev_name; + uint32_t port_index; + enum devlink_port_type port_type; + uint32_t port_count; + uint32_t sb_index; + uint16_t sb_pool_index; + uint32_t sb_pool_size; + enum devlink_sb_pool_type sb_pool_type; + enum devlink_sb_threshold_type sb_pool_thtype; + uint32_t sb_threshold; + uint16_t sb_tc_index; + enum devlink_eswitch_mode eswitch_mode; + enum devlink_eswitch_inline_mode eswitch_inline_mode; + const char *dpipe_table_name; + bool dpipe_counters_enabled; + enum devlink_eswitch_encap_mode eswitch_encap_mode; + const char *resource_path; + __u64 resource_size; + uint32_t resource_id; + bool resource_id_valid; + const char *param_name; + const char *param_value; + enum devlink_param_cmode cmode; + char *region_name; + uint32_t region_snapshot_id; + __u64 region_address; + __u64 region_length; + const char *flash_file_name; + const char *flash_component; + const char *reporter_name; + __u64 reporter_graceful_period; + bool reporter_auto_recover; + bool reporter_auto_dump; + const char *trap_name; + const char *trap_group_name; + enum devlink_trap_action trap_action; + bool netns_is_pid; + uint32_t netns; + uint32_t trap_policer_id; + __u64 trap_policer_rate; + __u64 trap_policer_burst; + char port_function_hw_addr[MAX_ADDR_LEN]; + uint32_t port_function_hw_addr_len; + uint32_t overwrite_mask; + enum devlink_reload_action reload_action; + enum devlink_reload_limit reload_limit; + uint32_t port_controller; + uint32_t port_sfnumber; + uint16_t port_flavour; + uint16_t port_pfnumber; + uint8_t port_fn_state; + uint16_t rate_type; + uint64_t rate_tx_share; + uint64_t rate_tx_max; + uint32_t rate_tx_priority; + uint32_t rate_tx_weight; + char *rate_node_name; + const char *rate_parent_node; + uint32_t linecard_index; + const char *linecard_type; + bool selftests_opt[DEVLINK_ATTR_SELFTEST_ID_MAX + 1]; + struct nla_bitfield32 port_fn_caps; +}; + +struct dl { + struct mnlu_gen_socket nlg; + struct list_head ifname_map_list; + int argc; + char **argv; + char *handle_argv; + bool no_nice_names; + struct dl_opts opts; + bool json_output; + bool pretty_output; + bool verbose; + bool stats; + bool hex; + bool use_iec; + bool map_loaded; + struct { + bool present; + char *bus_name; + char *dev_name; + uint32_t port_index; + } arr_last; +}; + +static int dl_argc(struct dl *dl) +{ + return dl->argc; +} + +static char *dl_argv(struct dl *dl) +{ + if (dl_argc(dl) == 0) + return NULL; + return *dl->argv; +} + +static void dl_arg_inc(struct dl *dl) +{ + if (dl_argc(dl) == 0) + return; + dl->argc--; + dl->argv++; +} + +static void dl_arg_dec(struct dl *dl) +{ + dl->argc++; + dl->argv--; +} + +static char *dl_argv_next(struct dl *dl) +{ + char *ret; + + if (dl_argc(dl) == 0) + return NULL; + + ret = *dl->argv; + dl_arg_inc(dl); + return ret; +} + +static char *dl_argv_index(struct dl *dl, unsigned int index) +{ + if (index >= dl_argc(dl)) + return NULL; + return dl->argv[index]; +} + +static int strcmpx(const char *str1, const char *str2) +{ + if (strlen(str1) > strlen(str2)) + return -1; + return strncmp(str1, str2, strlen(str1)); +} + +static bool dl_argv_match(struct dl *dl, const char *pattern) +{ + if (dl_argc(dl) == 0) + return false; + return strcmpx(dl_argv(dl), pattern) == 0; +} + +static bool dl_no_arg(struct dl *dl) +{ + return dl_argc(dl) == 0; +} + +static void __pr_out_indent_newline(struct dl *dl) +{ + if (!g_indent_newline && !dl->json_output) + pr_out(" "); +} + +static bool is_binary_eol(int i) +{ + return !(i%16); +} + +static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len) +{ + int i = 0; + + while (i < len) { + if (dl->json_output) + print_int(PRINT_JSON, NULL, NULL, data[i]); + else + pr_out("%02x ", data[i]); + i++; + if (!dl->json_output && is_binary_eol(i)) + __pr_out_newline(); + } + if (!dl->json_output && !is_binary_eol(i)) + __pr_out_newline(); +} + +static void pr_out_name(struct dl *dl, const char *name) +{ + __pr_out_indent_newline(dl); + if (dl->json_output) + print_string(PRINT_JSON, name, NULL, NULL); + else + pr_out("%s:", name); +} + +static void pr_out_u64(struct dl *dl, const char *name, uint64_t val) +{ + __pr_out_indent_newline(dl); + if (val == (uint64_t) -1) + return print_string_name_value(name, "unlimited"); + + if (dl->json_output) + print_u64(PRINT_JSON, name, NULL, val); + else + pr_out("%s %"PRIu64, name, val); +} + +static void pr_out_section_start(struct dl *dl, const char *name) +{ + if (dl->json_output) { + open_json_object(NULL); + open_json_object(name); + } +} + +static void pr_out_section_end(struct dl *dl) +{ + if (dl->json_output) { + if (dl->arr_last.present) + close_json_array(PRINT_JSON, NULL); + close_json_object(); + close_json_object(); + } +} + +static void pr_out_array_start(struct dl *dl, const char *name) +{ + if (dl->json_output) { + open_json_array(PRINT_JSON, name); + } else { + __pr_out_indent_inc(); + __pr_out_newline(); + pr_out("%s:", name); + __pr_out_indent_inc(); + __pr_out_newline(); + } +} + +static void pr_out_array_end(struct dl *dl) +{ + if (dl->json_output) { + close_json_array(PRINT_JSON, NULL); + } else { + __pr_out_indent_dec(); + __pr_out_indent_dec(); + } +} + +static void pr_out_object_start(struct dl *dl, const char *name) +{ + if (dl->json_output) { + open_json_object(name); + } else { + __pr_out_indent_inc(); + __pr_out_newline(); + pr_out("%s:", name); + __pr_out_indent_inc(); + __pr_out_newline(); + } +} + +static void pr_out_object_end(struct dl *dl) +{ + if (dl->json_output) { + close_json_object(); + } else { + __pr_out_indent_dec(); + __pr_out_indent_dec(); + } +} + +static void pr_out_entry_start(struct dl *dl) +{ + if (dl->json_output) + open_json_object(NULL); +} + +static void pr_out_entry_end(struct dl *dl) +{ + if (dl->json_output) + close_json_object(); + else + __pr_out_newline(); +} + +static void check_indent_newline(struct dl *dl) +{ + __pr_out_indent_newline(dl); + + if (g_indent_newline && !is_json_context()) { + printf("%s", g_indent_str); + g_indent_newline = false; + } + g_new_line_count = 0; +} + +static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = { + [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING, + [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING, + [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32, + [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16, + [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16, + [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32, + [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING, + [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING, + [DEVLINK_ATTR_PORT_LANES] = MNL_TYPE_U32, + [DEVLINK_ATTR_PORT_SPLITTABLE] = MNL_TYPE_U8, + [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32, + [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32, + [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16, + [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16, + [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16, + [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16, + [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16, + [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8, + [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32, + [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8, + [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32, + [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16, + [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32, + [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32, + [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16, + [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8, + [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8, + [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64, + [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8, + [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64, + [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64, + [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8, + [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32, + [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32, + [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8, + [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8, + [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64, + [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32, + [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY, + [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64, + [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64, + [DEVLINK_ATTR_INFO_DRIVER_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_INFO_SERIAL_NUMBER] = MNL_TYPE_STRING, + [DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER] = MNL_TYPE_STRING, + [DEVLINK_ATTR_INFO_VERSION_FIXED] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_INFO_VERSION_RUNNING] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_INFO_VERSION_STORED] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_INFO_VERSION_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_INFO_VERSION_VALUE] = MNL_TYPE_STRING, + [DEVLINK_ATTR_HEALTH_REPORTER] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_HEALTH_REPORTER_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_HEALTH_REPORTER_STATE] = MNL_TYPE_U8, + [DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] = MNL_TYPE_U64, + [DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64, + [DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64, + [DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64, + [DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = MNL_TYPE_STRING, + [DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG] = MNL_TYPE_STRING, + [DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE] = MNL_TYPE_U64, + [DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL] = MNL_TYPE_U64, + [DEVLINK_ATTR_STATS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_TRAP_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_TRAP_ACTION] = MNL_TYPE_U8, + [DEVLINK_ATTR_TRAP_TYPE] = MNL_TYPE_U8, + [DEVLINK_ATTR_TRAP_GENERIC] = MNL_TYPE_FLAG, + [DEVLINK_ATTR_TRAP_METADATA] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_TRAP_GROUP_NAME] = MNL_TYPE_STRING, + [DEVLINK_ATTR_RELOAD_FAILED] = MNL_TYPE_U8, + [DEVLINK_ATTR_DEV_STATS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_RELOAD_STATS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_RELOAD_STATS_ENTRY] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_RELOAD_ACTION] = MNL_TYPE_U8, + [DEVLINK_ATTR_RELOAD_STATS_LIMIT] = MNL_TYPE_U8, + [DEVLINK_ATTR_RELOAD_STATS_VALUE] = MNL_TYPE_U32, + [DEVLINK_ATTR_REMOTE_RELOAD_STATS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_RELOAD_ACTION_INFO] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_RELOAD_ACTION_STATS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_TRAP_POLICER_ID] = MNL_TYPE_U32, + [DEVLINK_ATTR_TRAP_POLICER_RATE] = MNL_TYPE_U64, + [DEVLINK_ATTR_TRAP_POLICER_BURST] = MNL_TYPE_U64, + [DEVLINK_ATTR_LINECARD_INDEX] = MNL_TYPE_U32, + [DEVLINK_ATTR_LINECARD_STATE] = MNL_TYPE_U8, + [DEVLINK_ATTR_LINECARD_TYPE] = MNL_TYPE_STRING, + [DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_NESTED_DEVLINK] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_SELFTESTS] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_NETNS_ID] = MNL_TYPE_U32, +}; + +static const enum mnl_attr_data_type +devlink_stats_policy[DEVLINK_ATTR_STATS_MAX + 1] = { + [DEVLINK_ATTR_STATS_RX_PACKETS] = MNL_TYPE_U64, + [DEVLINK_ATTR_STATS_RX_BYTES] = MNL_TYPE_U64, + [DEVLINK_ATTR_STATS_RX_DROPPED] = MNL_TYPE_U64, +}; + +static int attr_cb(const struct nlattr *attr, void *data) +{ + const struct nlattr **tb = data; + int type; + + if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0) + return MNL_CB_OK; + + type = mnl_attr_get_type(attr); + if (mnl_attr_validate(attr, devlink_policy[type]) < 0) + return MNL_CB_ERROR; + + tb[type] = attr; + return MNL_CB_OK; +} + +static int attr_stats_cb(const struct nlattr *attr, void *data) +{ + const struct nlattr **tb = data; + int type; + + /* Allow the tool to work on top of newer kernels that might contain + * more attributes. + */ + if (mnl_attr_type_valid(attr, DEVLINK_ATTR_STATS_MAX) < 0) + return MNL_CB_OK; + + type = mnl_attr_get_type(attr); + if (mnl_attr_validate(attr, devlink_stats_policy[type]) < 0) + return MNL_CB_ERROR; + + tb[type] = attr; + return MNL_CB_OK; +} + +static const enum mnl_attr_data_type +devlink_function_policy[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = { + [DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR ] = MNL_TYPE_BINARY, + [DEVLINK_PORT_FN_ATTR_STATE] = MNL_TYPE_U8, + [DEVLINK_PORT_FN_ATTR_DEVLINK] = MNL_TYPE_NESTED, +}; + +static int function_attr_cb(const struct nlattr *attr, void *data) +{ + const struct nlattr **tb = data; + int type; + + /* Allow the tool to work on top of newer kernels that might contain + * more attributes. + */ + if (mnl_attr_type_valid(attr, DEVLINK_PORT_FUNCTION_ATTR_MAX) < 0) + return MNL_CB_OK; + + type = mnl_attr_get_type(attr); + if (mnl_attr_validate(attr, devlink_function_policy[type]) < 0) + return MNL_CB_ERROR; + + tb[type] = attr; + return MNL_CB_OK; +} + +static int ifname_map_add(struct dl *dl, const char *ifname, + const char *bus_name, const char *dev_name, + uint32_t port_index) +{ + struct ifname_map *ifname_map; + + ifname_map = ifname_map_alloc(bus_name, dev_name, port_index, ifname); + if (!ifname_map) + return -ENOMEM; + list_add(&ifname_map->list, &dl->ifname_map_list); + return 0; +} + +static void ifname_map_del(struct ifname_map *ifname_map) +{ + list_del(&ifname_map->list); + ifname_map_free(ifname_map); +} + +static int ifname_map_rtnl_port_parse(struct dl *dl, const char *ifname, + struct rtattr *nest) +{ + struct rtattr *tb[DEVLINK_ATTR_MAX + 1]; + const char *bus_name; + const char *dev_name; + uint32_t port_index; + + parse_rtattr_nested(tb, DEVLINK_ATTR_MAX, nest); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX]) + return -ENOENT; + + bus_name = rta_getattr_str(tb[DEVLINK_ATTR_BUS_NAME]); + dev_name = rta_getattr_str(tb[DEVLINK_ATTR_DEV_NAME]); + port_index = rta_getattr_u32(tb[DEVLINK_ATTR_PORT_INDEX]); + return ifname_map_add(dl, ifname, bus_name, dev_name, port_index); +} + +static int ifname_map_rtnl_init(struct dl *dl, const char *ifname) +{ + struct iplink_req req = { + .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), + .n.nlmsg_flags = NLM_F_REQUEST, + .n.nlmsg_type = RTM_GETLINK, + .i.ifi_family = AF_UNSPEC, + }; + struct rtattr *tb[IFLA_MAX + 1]; + struct rtnl_handle rth; + struct ifinfomsg *ifi; + struct nlmsghdr *n; + int len; + int err; + + if (rtnl_open(&rth, 0) < 0) { + pr_err("Cannot open rtnetlink\n"); + return -EINVAL; + } + + addattr_l(&req.n, sizeof(req), + !check_ifname(ifname) ? IFLA_IFNAME : IFLA_ALT_IFNAME, + ifname, strlen(ifname) + 1); + + if (rtnl_talk(&rth, &req.n, &n) < 0) { + err = -EINVAL; + goto out; + } + + if (n->nlmsg_type != RTM_NEWLINK) { + err = -EINVAL; + goto out; + } + + ifi = NLMSG_DATA(n); + len = n->nlmsg_len; + + len -= NLMSG_LENGTH(sizeof(*ifi)); + if (len < 0) { + err = -EINVAL; + goto out; + } + + parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(ifi), len, NLA_F_NESTED); + if (!tb[IFLA_DEVLINK_PORT]) { + err = -EOPNOTSUPP; + goto out; + } + + err = ifname_map_rtnl_port_parse(dl, ifname, tb[IFLA_DEVLINK_PORT]); + +out: + rtnl_close(&rth); + return err; +} + +static int ifname_map_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct dl *dl = data; + const char *bus_name; + const char *dev_name; + uint32_t port_index; + const char *port_ifname; + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX]) + return MNL_CB_ERROR; + + if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) + return MNL_CB_OK; + + bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); + port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]); + err = ifname_map_add(dl, port_ifname, bus_name, dev_name, port_index); + if (err) + return MNL_CB_ERROR; + + return MNL_CB_OK; +} + +static void ifname_map_fini(struct dl *dl) +{ + struct ifname_map *ifname_map, *tmp; + + list_for_each_entry_safe(ifname_map, tmp, + &dl->ifname_map_list, list) { + ifname_map_del(ifname_map); + } +} + +static void ifname_map_init(struct dl *dl) +{ + INIT_LIST_HEAD(&dl->ifname_map_list); +} + +static int ifname_map_load(struct dl *dl, const char *ifname) +{ + struct mnlu_gen_socket nlg_map; + struct nlmsghdr *nlh; + int err; + + if (ifname) { + err = ifname_map_rtnl_init(dl, ifname); + if (!err) + return 0; + /* In case kernel does not support devlink port info passed over + * RT netlink, fall-back to ports dump. + */ + } + + err = mnlu_gen_socket_open(&nlg_map, DEVLINK_GENL_NAME, + DEVLINK_GENL_VERSION); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&nlg_map, DEVLINK_CMD_PORT_GET, + NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); + + err = mnlu_gen_socket_sndrcv(&nlg_map, nlh, ifname_map_cb, dl); + if (err) + ifname_map_fini(dl); + + mnlu_gen_socket_close(&nlg_map); + return err; +} + +static int ifname_map_check_load(struct dl *dl, const char *ifname) +{ + int err; + + if (dl->map_loaded) + return 0; + + err = ifname_map_load(dl, ifname); + if (err) { + pr_err("Failed to create index map\n"); + return err; + } + dl->map_loaded = true; + return 0; +} + + +static int ifname_map_lookup(struct dl *dl, const char *ifname, + char **p_bus_name, char **p_dev_name, + uint32_t *p_port_index) +{ + struct ifname_map *ifname_map; + int err; + + err = ifname_map_check_load(dl, ifname); + if (err) + return err; + + list_for_each_entry(ifname_map, &dl->ifname_map_list, list) { + if (strcmp(ifname, ifname_map->ifname) == 0) { + *p_bus_name = ifname_map->bus_name; + *p_dev_name = ifname_map->dev_name; + *p_port_index = ifname_map->port_index; + return 0; + } + } + return -ENOENT; +} + +static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name, + const char *dev_name, uint32_t port_index, + const char **p_ifname) +{ + struct ifname_map *ifname_map; + + int err; + + err = ifname_map_check_load(dl, NULL); + if (err) + return err; + + list_for_each_entry(ifname_map, &dl->ifname_map_list, list) { + if (strcmp(bus_name, ifname_map->bus_name) == 0 && + strcmp(dev_name, ifname_map->dev_name) == 0 && + port_index == ifname_map->port_index) { + /* In case non-NULL ifname is passed, update the + * looked-up entry. + */ + if (*p_ifname) + return ifname_map_update(ifname_map, *p_ifname); + + *p_ifname = ifname_map->ifname; + return 0; + } + } + return -ENOENT; +} + +static int strtobool(const char *str, bool *p_val) +{ + bool val; + + if (!strcmp(str, "true") || !strcmp(str, "1") || + !strcmp(str, "enable")) + val = true; + else if (!strcmp(str, "false") || !strcmp(str, "0") || + !strcmp(str, "disable")) + val = false; + else + return -EINVAL; + *p_val = val; + return 0; +} + +static int ident_str_validate(char *str, unsigned int expected) +{ + if (!str) + return -ENOENT; + + if (get_str_char_count(str, '/') != expected) { + pr_err("Wrong identification string format.\n"); + return -EINVAL; + } + + return 0; +} + +static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name) +{ + int err; + + err = str_split_by_char(str, p_bus_name, p_dev_name, '/'); + if (err) { + pr_err("Devlink identification (\"bus_name/dev_name\") \"%s\" is invalid\n", str); + return err; + } + return 0; +} + +static int dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name) +{ + int err; + + err = ident_str_validate(str, 1); + if (err) { + pr_err("Devlink identification (\"bus_name/dev_name\") expected\n"); + return err; + } + return __dl_argv_handle(str, p_bus_name, p_dev_name); +} + +static int __dl_argv_handle_port(char *str, + char **p_bus_name, char **p_dev_name, + uint32_t *p_port_index) +{ + char *handlestr; + char *portstr; + int err; + + err = str_split_by_char(str, &handlestr, &portstr, '/'); + if (err) { + pr_err("Port identification \"%s\" is invalid\n", str); + return err; + } + err = get_u32(p_port_index, portstr, 10); + if (err) { + pr_err("Port index \"%s\" is not a number or not within range\n", + portstr); + return err; + } + err = str_split_by_char(handlestr, p_bus_name, p_dev_name, '/'); + if (err) { + pr_err("Port identification \"%s\" is invalid\n", str); + return err; + } + return 0; +} + +static int __dl_argv_handle_port_ifname(struct dl *dl, char *str, + char **p_bus_name, char **p_dev_name, + uint32_t *p_port_index) +{ + int err; + + err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name, + p_port_index); + if (err) { + pr_err("Netdevice \"%s\" not found\n", str); + return err; + } + return 0; +} + +static int dl_argv_handle_port(struct dl *dl, char *str, char **p_bus_name, + char **p_dev_name, uint32_t *p_port_index) +{ + unsigned int slash_count; + + if (!str) { + pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n"); + return -ENOENT; + } + slash_count = get_str_char_count(str, '/'); + switch (slash_count) { + case 0: + return __dl_argv_handle_port_ifname(dl, str, p_bus_name, + p_dev_name, p_port_index); + case 2: + return __dl_argv_handle_port(str, p_bus_name, + p_dev_name, p_port_index); + default: + pr_err("Wrong port identification string format.\n"); + pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n"); + return -EINVAL; + } +} + +static int dl_argv_handle_both(struct dl *dl, char *str, char **p_bus_name, + char **p_dev_name, uint32_t *p_port_index, + uint64_t *p_handle_bit) +{ + unsigned int slash_count; + int err; + + if (!str) { + pr_err("One of following identifications expected:\n" + "Devlink identification (\"bus_name/dev_name\")\n" + "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n"); + return -ENOENT; + } + slash_count = get_str_char_count(str, '/'); + if (slash_count == 1) { + err = __dl_argv_handle(str, p_bus_name, p_dev_name); + if (err) + return err; + *p_handle_bit = DL_OPT_HANDLE; + } else if (slash_count == 2) { + err = __dl_argv_handle_port(str, p_bus_name, + p_dev_name, p_port_index); + if (err) + return err; + *p_handle_bit = DL_OPT_HANDLEP; + } else if (slash_count == 0) { + err = __dl_argv_handle_port_ifname(dl, str, p_bus_name, + p_dev_name, p_port_index); + if (err) + return err; + *p_handle_bit = DL_OPT_HANDLEP; + } else { + pr_err("Wrong port identification string format.\n"); + pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n"); + return -EINVAL; + } + return 0; +} + +static int __dl_argv_handle_name(char *str, char **p_bus_name, + char **p_dev_name, char **p_name) +{ + char *handlestr; + int err; + + err = str_split_by_char(str, &handlestr, p_name, '/'); + if (err) + return err; + + return str_split_by_char(handlestr, p_bus_name, p_dev_name, '/'); +} + +static int dl_argv_handle_region(char *str, char **p_bus_name, + char **p_dev_name, char **p_region) +{ + int err; + + err = ident_str_validate(str, 2); + if (err) { + pr_err("Expected \"bus_name/dev_name/region\" identification.\n"); + return err; + } + + err = __dl_argv_handle_name(str, p_bus_name, p_dev_name, p_region); + if (err) + pr_err("Region identification \"%s\" is invalid\n", str); + return err; +} + + +static int dl_argv_handle_rate_node(char *str, char **p_bus_name, + char **p_dev_name, char **p_node) +{ + int err; + + err = ident_str_validate(str, 2); + if (err) { + pr_err("Expected \"bus_name/dev_name/node\" identification.\n"); + return err; + } + + err = __dl_argv_handle_name(str, p_bus_name, p_dev_name, p_node); + if (err) { + pr_err("Node identification \"%s\" is invalid\n", str); + return err; + } + + if (!**p_node || strspn(*p_node, "0123456789") == strlen(*p_node)) { + err = -EINVAL; + pr_err("Node name cannot be a devlink port index or empty.\n"); + } + + return err; +} + +static int dl_argv_handle_rate(char *str, char **p_bus_name, + char **p_dev_name, uint32_t *p_port_index, + char **p_node_name, uint64_t *p_handle_bit) +{ + char *identifier; + int err; + + err = ident_str_validate(str, 2); + if (err) { + pr_err("Expected \"bus_name/dev_name/node\" or " + "\"bus_name/dev_name/port_index\" identification.\n"); + return err; + } + + err = __dl_argv_handle_name(str, p_bus_name, p_dev_name, &identifier); + if (err) { + pr_err("Identification \"%s\" is invalid\n", str); + return err; + } + + if (!*identifier) { + pr_err("Identifier cannot be empty"); + return -EINVAL; + } + + if (strspn(identifier, "0123456789") == strlen(identifier)) { + err = get_u32(p_port_index, identifier, 10); + if (err) { + pr_err("Port index \"%s\" is not a number" + " or not within range\n", identifier); + return err; + } + *p_handle_bit = DL_OPT_HANDLEP; + } else { + *p_handle_bit = DL_OPT_PORT_FN_RATE_NODE_NAME; + *p_node_name = identifier; + } + return 0; +} + +static int dl_argv_uint64_t(struct dl *dl, __u64 *p_val) +{ + char *str = dl_argv_next(dl); + int err; + + if (!str) { + pr_err("Unsigned number argument expected\n"); + return -EINVAL; + } + + err = get_u64(p_val, str, 10); + if (err) { + pr_err("\"%s\" is not a number or not within range\n", str); + return err; + } + return 0; +} + +static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val) +{ + char *str = dl_argv_next(dl); + int err; + + if (!str) { + pr_err("Unsigned number argument expected\n"); + return -EINVAL; + } + + err = get_u32(p_val, str, 10); + if (err) { + pr_err("\"%s\" is not a number or not within range\n", str); + return err; + } + return 0; +} + +static int dl_argv_uint16_t(struct dl *dl, uint16_t *p_val) +{ + char *str = dl_argv_next(dl); + int err; + + if (!str) { + pr_err("Unsigned number argument expected\n"); + return -EINVAL; + } + + err = get_u16(p_val, str, 10); + if (err) { + pr_err("\"%s\" is not a number or not within range\n", str); + return err; + } + return 0; +} + +static int dl_argv_bool(struct dl *dl, bool *p_val) +{ + char *str = dl_argv_next(dl); + int err; + + if (!str) { + pr_err("Boolean argument expected\n"); + return -EINVAL; + } + + err = strtobool(str, p_val); + if (err) { + pr_err("\"%s\" is not a valid boolean value\n", str); + return err; + } + return 0; +} + +static int dl_argv_str(struct dl *dl, const char **p_str) +{ + const char *str = dl_argv_next(dl); + + if (!str) { + pr_err("String parameter expected\n"); + return -EINVAL; + } + *p_str = str; + return 0; +} + +static int port_type_get(const char *typestr, enum devlink_port_type *p_type) +{ + if (strcmp(typestr, "auto") == 0) { + *p_type = DEVLINK_PORT_TYPE_AUTO; + } else if (strcmp(typestr, "eth") == 0) { + *p_type = DEVLINK_PORT_TYPE_ETH; + } else if (strcmp(typestr, "ib") == 0) { + *p_type = DEVLINK_PORT_TYPE_IB; + } else { + pr_err("Unknown port type \"%s\"\n", typestr); + return -EINVAL; + } + return 0; +} + +static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type) +{ + if (strcmp(typestr, "ingress") == 0) { + *p_type = DEVLINK_SB_POOL_TYPE_INGRESS; + } else if (strcmp(typestr, "egress") == 0) { + *p_type = DEVLINK_SB_POOL_TYPE_EGRESS; + } else { + pr_err("Unknown pool type \"%s\"\n", typestr); + return -EINVAL; + } + return 0; +} + +static int threshold_type_get(const char *typestr, + enum devlink_sb_threshold_type *p_type) +{ + if (strcmp(typestr, "static") == 0) { + *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC; + } else if (strcmp(typestr, "dynamic") == 0) { + *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC; + } else { + pr_err("Unknown threshold type \"%s\"\n", typestr); + return -EINVAL; + } + return 0; +} + +static int eswitch_mode_get(const char *typestr, + enum devlink_eswitch_mode *p_mode) +{ + if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) { + *p_mode = DEVLINK_ESWITCH_MODE_LEGACY; + } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) { + *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV; + } else { + pr_err("Unknown eswitch mode \"%s\"\n", typestr); + return -EINVAL; + } + return 0; +} + +static int eswitch_inline_mode_get(const char *typestr, + enum devlink_eswitch_inline_mode *p_mode) +{ + if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) { + *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE; + } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) { + *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK; + } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) { + *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK; + } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) { + *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT; + } else { + pr_err("Unknown eswitch inline mode \"%s\"\n", typestr); + return -EINVAL; + } + return 0; +} + +static int +eswitch_encap_mode_get(const char *typestr, + enum devlink_eswitch_encap_mode *p_encap_mode) +{ + /* The initial implementation incorrectly accepted "enable"/"disable". + * Carry it to maintain backward compatibility. + */ + if (strcmp(typestr, "disable") == 0 || + strcmp(typestr, ESWITCH_ENCAP_MODE_NONE) == 0) { + *p_encap_mode = DEVLINK_ESWITCH_ENCAP_MODE_NONE; + } else if (strcmp(typestr, "enable") == 0 || + strcmp(typestr, ESWITCH_ENCAP_MODE_BASIC) == 0) { + *p_encap_mode = DEVLINK_ESWITCH_ENCAP_MODE_BASIC; + } else { + pr_err("Unknown eswitch encap mode \"%s\"\n", typestr); + return -EINVAL; + } + return 0; +} + +static int flash_overwrite_section_get(const char *sectionstr, uint32_t *mask) +{ + if (strcmp(sectionstr, "settings") == 0) { + *mask |= DEVLINK_FLASH_OVERWRITE_SETTINGS; + } else if (strcmp(sectionstr, "identifiers") == 0) { + *mask |= DEVLINK_FLASH_OVERWRITE_IDENTIFIERS; + } else { + pr_err("Unknown overwrite section \"%s\"\n", sectionstr); + return -EINVAL; + } + return 0; +} + +static int param_cmode_get(const char *cmodestr, + enum devlink_param_cmode *cmode) +{ + if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) { + *cmode = DEVLINK_PARAM_CMODE_RUNTIME; + } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) { + *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT; + } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) { + *cmode = DEVLINK_PARAM_CMODE_PERMANENT; + } else { + pr_err("Unknown configuration mode \"%s\"\n", cmodestr); + return -EINVAL; + } + return 0; +} + +static int trap_action_get(const char *actionstr, + enum devlink_trap_action *p_action) +{ + if (strcmp(actionstr, "drop") == 0) { + *p_action = DEVLINK_TRAP_ACTION_DROP; + } else if (strcmp(actionstr, "trap") == 0) { + *p_action = DEVLINK_TRAP_ACTION_TRAP; + } else if (strcmp(actionstr, "mirror") == 0) { + *p_action = DEVLINK_TRAP_ACTION_MIRROR; + } else { + pr_err("Unknown trap action \"%s\"\n", actionstr); + return -EINVAL; + } + return 0; +} + +static int hw_addr_parse(const char *addrstr, char *hw_addr, uint32_t *len) +{ + int alen; + + alen = ll_addr_a2n(hw_addr, MAX_ADDR_LEN, addrstr); + if (alen < 0) + return -EINVAL; + *len = alen; + return 0; +} + +static int reload_action_get(struct dl *dl, const char *actionstr, + enum devlink_reload_action *action) +{ + if (strcmp(actionstr, "driver_reinit") == 0) { + *action = DEVLINK_RELOAD_ACTION_DRIVER_REINIT; + } else if (strcmp(actionstr, "fw_activate") == 0) { + *action = DEVLINK_RELOAD_ACTION_FW_ACTIVATE; + } else { + pr_err("Unknown reload action \"%s\"\n", actionstr); + return -EINVAL; + } + return 0; +} + +static int reload_limit_get(struct dl *dl, const char *limitstr, + enum devlink_reload_limit *limit) +{ + if (strcmp(limitstr, "no_reset") == 0) { + *limit = DEVLINK_RELOAD_LIMIT_NO_RESET; + } else { + pr_err("Unknown reload limit \"%s\"\n", limitstr); + return -EINVAL; + } + return 0; +} + +static struct str_num_map port_flavour_map[] = { + { .str = "physical", .num = DEVLINK_PORT_FLAVOUR_PHYSICAL }, + { .str = "cpu", .num = DEVLINK_PORT_FLAVOUR_CPU }, + { .str = "dsa", .num = DEVLINK_PORT_FLAVOUR_DSA }, + { .str = "pcipf", .num = DEVLINK_PORT_FLAVOUR_PCI_PF }, + { .str = "pcivf", .num = DEVLINK_PORT_FLAVOUR_PCI_VF }, + { .str = "pcisf", .num = DEVLINK_PORT_FLAVOUR_PCI_SF }, + { .str = "virtual", .num = DEVLINK_PORT_FLAVOUR_VIRTUAL}, + { .str = NULL, }, +}; + +static struct str_num_map port_fn_state_map[] = { + { .str = "inactive", .num = DEVLINK_PORT_FN_STATE_INACTIVE}, + { .str = "active", .num = DEVLINK_PORT_FN_STATE_ACTIVE }, + { .str = NULL, } +}; + +static struct str_num_map port_fn_opstate_map[] = { + { .str = "attached", .num = DEVLINK_PORT_FN_OPSTATE_ATTACHED}, + { .str = "detached", .num = DEVLINK_PORT_FN_OPSTATE_DETACHED}, + { .str = NULL, } +}; + +static int selftests_get(const char *selftest_name, bool *selftests_opt) +{ + if (strcmp(selftest_name, "flash") == 0) { + selftests_opt[0] = true; + } else { + pr_err("Unknown selftest \"%s\"\n", selftest_name); + return -EINVAL; + } + return 0; +} + +static int port_flavour_parse(const char *flavour, uint16_t *value) +{ + int num; + + num = str_map_lookup_str(port_flavour_map, flavour); + if (num < 0) { + invarg("unknown flavour", flavour); + return num; + } + *value = num; + return 0; +} + +static int port_fn_state_parse(const char *statestr, uint8_t *state) +{ + int num; + + num = str_map_lookup_str(port_fn_state_map, statestr); + if (num < 0) { + invarg("unknown state", statestr); + return num; + } + *state = num; + return 0; +} + +static int port_fn_rate_type_get(const char *typestr, uint16_t *type) +{ + if (!strcmp(typestr, "leaf")) + *type = DEVLINK_RATE_TYPE_LEAF; + else if (!strcmp(typestr, "node")) + *type = DEVLINK_RATE_TYPE_NODE; + else + return -EINVAL; + return 0; +} + +static int port_fn_rate_value_get(struct dl *dl, uint64_t *rate) +{ + const char *ratestr; + __u64 rate64; + int err; + + err = dl_argv_str(dl, &ratestr); + if (err) + return err; + err = get_rate64(&rate64, ratestr); + if (err) { + pr_err("Invalid rate value: \"%s\"\n", ratestr); + return -EINVAL; + } + + *rate = rate64; + return 0; +} + +struct dl_args_metadata { + uint64_t o_flag; + char err_msg[DL_ARGS_REQUIRED_MAX_ERR_LEN]; +}; + +static const struct dl_args_metadata dl_args_required[] = { + {DL_OPT_PORT_TYPE, "Port type not set."}, + {DL_OPT_PORT_COUNT, "Port split count option expected."}, + {DL_OPT_SB_POOL, "Pool index option expected."}, + {DL_OPT_SB_SIZE, "Pool size option expected."}, + {DL_OPT_SB_TYPE, "Pool type option expected."}, + {DL_OPT_SB_THTYPE, "Pool threshold type option expected."}, + {DL_OPT_SB_TH, "Threshold option expected."}, + {DL_OPT_SB_TC, "TC index option expected."}, + {DL_OPT_ESWITCH_MODE, "E-Switch mode option expected."}, + {DL_OPT_ESWITCH_INLINE_MODE, "E-Switch inline-mode option expected."}, + {DL_OPT_DPIPE_TABLE_NAME, "Dpipe table name expected."}, + {DL_OPT_DPIPE_TABLE_COUNTERS, "Dpipe table counter state expected."}, + {DL_OPT_ESWITCH_ENCAP_MODE, "E-Switch encapsulation option expected."}, + {DL_OPT_RESOURCE_PATH, "Resource path expected."}, + {DL_OPT_RESOURCE_SIZE, "Resource size expected."}, + {DL_OPT_PARAM_NAME, "Parameter name expected."}, + {DL_OPT_PARAM_VALUE, "Value to set expected."}, + {DL_OPT_PARAM_CMODE, "Configuration mode expected."}, + {DL_OPT_REGION_SNAPSHOT_ID, "Region snapshot id expected."}, + {DL_OPT_REGION_ADDRESS, "Region address value expected."}, + {DL_OPT_REGION_LENGTH, "Region length value expected."}, + {DL_OPT_HEALTH_REPORTER_NAME, "Reporter's name is expected."}, + {DL_OPT_TRAP_NAME, "Trap's name is expected."}, + {DL_OPT_TRAP_GROUP_NAME, "Trap group's name is expected."}, + {DL_OPT_PORT_FUNCTION_HW_ADDR, "Port function's hardware address is expected."}, + {DL_OPT_PORT_FLAVOUR, "Port flavour is expected."}, + {DL_OPT_PORT_PFNUMBER, "Port PCI PF number is expected."}, + {DL_OPT_LINECARD, "Linecard index expected."}, + {DL_OPT_LINECARD_TYPE, "Linecard type expected."}, + {DL_OPT_SELFTESTS, "Test name is expected"}, +}; + +static int dl_args_finding_required_validate(uint64_t o_required, + uint64_t o_found) +{ + uint64_t o_flag; + int i; + + for (i = 0; i < ARRAY_SIZE(dl_args_required); i++) { + o_flag = dl_args_required[i].o_flag; + if ((o_required & o_flag) && !(o_found & o_flag)) { + pr_err("%s\n", dl_args_required[i].err_msg); + return -ENOENT; + } + } + if (o_required & ~o_found) { + pr_err("BUG: unknown argument required but not found\n"); + return -EINVAL; + } + return 0; +} + +static int dl_argv_parse(struct dl *dl, uint64_t o_required, + uint64_t o_optional) +{ + struct dl_opts *opts = &dl->opts; + uint64_t o_all = o_required | o_optional; + char *str = dl_argv_next(dl); + uint64_t o_found = 0; + int err; + + if (str) { + str = strdup(str); + if (!str) + return -ENOMEM; + free(dl->handle_argv); + dl->handle_argv = str; + } + + if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) { + uint64_t handle_bit; + + err = dl_argv_handle_both(dl, str, &opts->bus_name, + &opts->dev_name, &opts->port_index, + &handle_bit); + if (err) + return err; + o_required &= ~(DL_OPT_HANDLE | DL_OPT_HANDLEP) | handle_bit; + o_found |= handle_bit; + } else if (o_required & DL_OPT_HANDLEP && + o_required & DL_OPT_PORT_FN_RATE_NODE_NAME) { + uint64_t handle_bit; + + err = dl_argv_handle_rate(str, &opts->bus_name, &opts->dev_name, + &opts->port_index, + &opts->rate_node_name, + &handle_bit); + if (err) + return err; + o_required &= ~(DL_OPT_HANDLEP | DL_OPT_PORT_FN_RATE_NODE_NAME) | + handle_bit; + o_found |= handle_bit; + } else if (o_required & DL_OPT_HANDLE) { + err = dl_argv_handle(str, &opts->bus_name, &opts->dev_name); + if (err) + return err; + o_found |= DL_OPT_HANDLE; + } else if (o_required & DL_OPT_HANDLEP) { + err = dl_argv_handle_port(dl, str, &opts->bus_name, + &opts->dev_name, &opts->port_index); + if (err) + return err; + o_found |= DL_OPT_HANDLEP; + } else if (o_required & DL_OPT_HANDLE_REGION) { + err = dl_argv_handle_region(str, &opts->bus_name, + &opts->dev_name, + &opts->region_name); + if (err) + return err; + o_found |= DL_OPT_HANDLE_REGION; + } else if (o_required & DL_OPT_PORT_FN_RATE_NODE_NAME) { + err = dl_argv_handle_rate_node(str, &opts->bus_name, + &opts->dev_name, + &opts->rate_node_name); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_NODE_NAME; + } + + while (dl_argc(dl)) { + if (dl_argv_match(dl, "type") && + (o_all & DL_OPT_PORT_TYPE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = port_type_get(typestr, &opts->port_type); + if (err) + return err; + o_found |= DL_OPT_PORT_TYPE; + } else if (dl_argv_match(dl, "count") && + (o_all & DL_OPT_PORT_COUNT)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->port_count); + if (err) + return err; + o_found |= DL_OPT_PORT_COUNT; + } else if (dl_argv_match(dl, "sb") && + (o_all & DL_OPT_SB)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->sb_index); + if (err) + return err; + o_found |= DL_OPT_SB; + } else if (dl_argv_match(dl, "pool") && + (o_all & DL_OPT_SB_POOL)) { + dl_arg_inc(dl); + err = dl_argv_uint16_t(dl, &opts->sb_pool_index); + if (err) + return err; + o_found |= DL_OPT_SB_POOL; + } else if (dl_argv_match(dl, "size") && + (o_all & DL_OPT_SB_SIZE)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->sb_pool_size); + if (err) + return err; + o_found |= DL_OPT_SB_SIZE; + } else if (dl_argv_match(dl, "type") && + (o_all & DL_OPT_SB_TYPE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = pool_type_get(typestr, &opts->sb_pool_type); + if (err) + return err; + o_found |= DL_OPT_SB_TYPE; + } else if (dl_argv_match(dl, "thtype") && + (o_all & DL_OPT_SB_THTYPE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = threshold_type_get(typestr, + &opts->sb_pool_thtype); + if (err) + return err; + o_found |= DL_OPT_SB_THTYPE; + } else if (dl_argv_match(dl, "th") && + (o_all & DL_OPT_SB_TH)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->sb_threshold); + if (err) + return err; + o_found |= DL_OPT_SB_TH; + } else if (dl_argv_match(dl, "tc") && + (o_all & DL_OPT_SB_TC)) { + dl_arg_inc(dl); + err = dl_argv_uint16_t(dl, &opts->sb_tc_index); + if (err) + return err; + o_found |= DL_OPT_SB_TC; + } else if (dl_argv_match(dl, "mode") && + (o_all & DL_OPT_ESWITCH_MODE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = eswitch_mode_get(typestr, &opts->eswitch_mode); + if (err) + return err; + o_found |= DL_OPT_ESWITCH_MODE; + } else if (dl_argv_match(dl, "inline-mode") && + (o_all & DL_OPT_ESWITCH_INLINE_MODE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = eswitch_inline_mode_get( + typestr, &opts->eswitch_inline_mode); + if (err) + return err; + o_found |= DL_OPT_ESWITCH_INLINE_MODE; + } else if (dl_argv_match(dl, "name") && + (o_all & DL_OPT_DPIPE_TABLE_NAME)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->dpipe_table_name); + if (err) + return err; + o_found |= DL_OPT_DPIPE_TABLE_NAME; + } else if ((dl_argv_match(dl, "counters") || + dl_argv_match(dl, "counters_enabled")) && + (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) { + dl_arg_inc(dl); + err = dl_argv_bool(dl, &opts->dpipe_counters_enabled); + if (err) + return err; + o_found |= DL_OPT_DPIPE_TABLE_COUNTERS; + } else if ((dl_argv_match(dl, "encap") || /* Original incorrect implementation */ + dl_argv_match(dl, "encap-mode")) && + (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = eswitch_encap_mode_get(typestr, + &opts->eswitch_encap_mode); + if (err) + return err; + o_found |= DL_OPT_ESWITCH_ENCAP_MODE; + } else if (dl_argv_match(dl, "path") && + (o_all & DL_OPT_RESOURCE_PATH)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->resource_path); + if (err) + return err; + o_found |= DL_OPT_RESOURCE_PATH; + } else if (dl_argv_match(dl, "size") && + (o_all & DL_OPT_RESOURCE_SIZE)) { + dl_arg_inc(dl); + err = dl_argv_uint64_t(dl, &opts->resource_size); + if (err) + return err; + o_found |= DL_OPT_RESOURCE_SIZE; + } else if (dl_argv_match(dl, "name") && + (o_all & DL_OPT_PARAM_NAME)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->param_name); + if (err) + return err; + o_found |= DL_OPT_PARAM_NAME; + } else if (dl_argv_match(dl, "value") && + (o_all & DL_OPT_PARAM_VALUE)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->param_value); + if (err) + return err; + o_found |= DL_OPT_PARAM_VALUE; + } else if (dl_argv_match(dl, "cmode") && + (o_all & DL_OPT_PARAM_CMODE)) { + const char *cmodestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &cmodestr); + if (err) + return err; + err = param_cmode_get(cmodestr, &opts->cmode); + if (err) + return err; + o_found |= DL_OPT_PARAM_CMODE; + } else if (dl_argv_match(dl, "snapshot") && + (o_all & DL_OPT_REGION_SNAPSHOT_ID)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->region_snapshot_id); + if (err) + return err; + o_found |= DL_OPT_REGION_SNAPSHOT_ID; + } else if (dl_argv_match(dl, "address") && + (o_all & DL_OPT_REGION_ADDRESS)) { + dl_arg_inc(dl); + err = dl_argv_uint64_t(dl, &opts->region_address); + if (err) + return err; + o_found |= DL_OPT_REGION_ADDRESS; + } else if (dl_argv_match(dl, "length") && + (o_all & DL_OPT_REGION_LENGTH)) { + dl_arg_inc(dl); + err = dl_argv_uint64_t(dl, &opts->region_length); + if (err) + return err; + o_found |= DL_OPT_REGION_LENGTH; + } else if (dl_argv_match(dl, "file") && + (o_all & DL_OPT_FLASH_FILE_NAME)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->flash_file_name); + if (err) + return err; + o_found |= DL_OPT_FLASH_FILE_NAME; + } else if (dl_argv_match(dl, "component") && + (o_all & DL_OPT_FLASH_COMPONENT)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->flash_component); + if (err) + return err; + o_found |= DL_OPT_FLASH_COMPONENT; + + } else if (dl_argv_match(dl, "overwrite") && + (o_all & DL_OPT_FLASH_OVERWRITE)) { + const char *sectionstr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, §ionstr); + if (err) + return err; + err = flash_overwrite_section_get(sectionstr, + &opts->overwrite_mask); + if (err) + return err; + o_found |= DL_OPT_FLASH_OVERWRITE; + + } else if (dl_argv_match(dl, "id") && + (o_all & DL_OPT_SELFTESTS)) { + dl_arg_inc(dl); + while (dl_argc(dl)) { + const char *selftest_name; + err = dl_argv_str(dl, &selftest_name); + if (err) + return err; + err = selftests_get(selftest_name, + opts->selftests_opt); + if (err) + return err; + } + o_found |= DL_OPT_SELFTESTS; + + } else if (dl_argv_match(dl, "reporter") && + (o_all & DL_OPT_HEALTH_REPORTER_NAME)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->reporter_name); + if (err) + return err; + o_found |= DL_OPT_HEALTH_REPORTER_NAME; + } else if (dl_argv_match(dl, "grace_period") && + (o_all & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD)) { + dl_arg_inc(dl); + err = dl_argv_uint64_t(dl, + &opts->reporter_graceful_period); + if (err) + return err; + o_found |= DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD; + } else if (dl_argv_match(dl, "auto_recover") && + (o_all & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER)) { + dl_arg_inc(dl); + err = dl_argv_bool(dl, &opts->reporter_auto_recover); + if (err) + return err; + o_found |= DL_OPT_HEALTH_REPORTER_AUTO_RECOVER; + } else if (dl_argv_match(dl, "auto_dump") && + (o_all & DL_OPT_HEALTH_REPORTER_AUTO_DUMP)) { + dl_arg_inc(dl); + err = dl_argv_bool(dl, &opts->reporter_auto_dump); + if (err) + return err; + o_found |= DL_OPT_HEALTH_REPORTER_AUTO_DUMP; + } else if ((dl_argv_match(dl, "trap") || + dl_argv_match(dl, "name")) && + (o_all & DL_OPT_TRAP_NAME)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->trap_name); + if (err) + return err; + o_found |= DL_OPT_TRAP_NAME; + } else if ((dl_argv_match(dl, "group") || + dl_argv_match(dl, "name")) && + (o_all & DL_OPT_TRAP_GROUP_NAME)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->trap_group_name); + if (err) + return err; + o_found |= DL_OPT_TRAP_GROUP_NAME; + } else if (dl_argv_match(dl, "action") && + (o_all & DL_OPT_TRAP_ACTION)) { + const char *actionstr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &actionstr); + if (err) + return err; + err = trap_action_get(actionstr, &opts->trap_action); + if (err) + return err; + o_found |= DL_OPT_TRAP_ACTION; + } else if (dl_argv_match(dl, "netns") && + (o_all & DL_OPT_NETNS)) { + const char *netns_str; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &netns_str); + if (err) + return err; + opts->netns = netns_get_fd(netns_str); + if ((int)opts->netns < 0) { + dl_arg_dec(dl); + err = dl_argv_uint32_t(dl, &opts->netns); + if (err) + return err; + opts->netns_is_pid = true; + } + o_found |= DL_OPT_NETNS; + } else if (dl_argv_match(dl, "action") && + (o_all & DL_OPT_RELOAD_ACTION)) { + const char *actionstr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &actionstr); + if (err) + return err; + err = reload_action_get(dl, actionstr, &opts->reload_action); + if (err) + return err; + o_found |= DL_OPT_RELOAD_ACTION; + } else if (dl_argv_match(dl, "limit") && + (o_all & DL_OPT_RELOAD_LIMIT)) { + const char *limitstr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &limitstr); + if (err) + return err; + err = reload_limit_get(dl, limitstr, &opts->reload_limit); + if (err) + return err; + o_found |= DL_OPT_RELOAD_LIMIT; + } else if (dl_argv_match(dl, "policer") && + (o_all & DL_OPT_TRAP_POLICER_ID)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->trap_policer_id); + if (err) + return err; + o_found |= DL_OPT_TRAP_POLICER_ID; + } else if (dl_argv_match(dl, "nopolicer") && + (o_all & DL_OPT_TRAP_POLICER_ID)) { + dl_arg_inc(dl); + opts->trap_policer_id = 0; + o_found |= DL_OPT_TRAP_POLICER_ID; + } else if (dl_argv_match(dl, "rate") && + (o_all & DL_OPT_TRAP_POLICER_RATE)) { + dl_arg_inc(dl); + err = dl_argv_uint64_t(dl, &opts->trap_policer_rate); + if (err) + return err; + o_found |= DL_OPT_TRAP_POLICER_RATE; + } else if (dl_argv_match(dl, "burst") && + (o_all & DL_OPT_TRAP_POLICER_BURST)) { + dl_arg_inc(dl); + err = dl_argv_uint64_t(dl, &opts->trap_policer_burst); + if (err) + return err; + o_found |= DL_OPT_TRAP_POLICER_BURST; + } else if (dl_argv_match(dl, "hw_addr") && + (o_all & DL_OPT_PORT_FUNCTION_HW_ADDR)) { + const char *addrstr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &addrstr); + if (err) + return err; + err = hw_addr_parse(addrstr, opts->port_function_hw_addr, + &opts->port_function_hw_addr_len); + if (err) + return err; + o_found |= DL_OPT_PORT_FUNCTION_HW_ADDR; + } else if (dl_argv_match(dl, "state") && + (o_all & DL_OPT_PORT_FUNCTION_STATE)) { + const char *statestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &statestr); + if (err) + return err; + err = port_fn_state_parse(statestr, &opts->port_fn_state); + if (err) + return err; + + o_found |= DL_OPT_PORT_FUNCTION_STATE; + } else if (dl_argv_match(dl, "flavour") && (o_all & DL_OPT_PORT_FLAVOUR)) { + const char *flavourstr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &flavourstr); + if (err) + return err; + err = port_flavour_parse(flavourstr, &opts->port_flavour); + if (err) + return err; + o_found |= DL_OPT_PORT_FLAVOUR; + } else if (dl_argv_match(dl, "pfnum") && (o_all & DL_OPT_PORT_PFNUMBER)) { + dl_arg_inc(dl); + err = dl_argv_uint16_t(dl, &opts->port_pfnumber); + if (err) + return err; + o_found |= DL_OPT_PORT_PFNUMBER; + } else if (dl_argv_match(dl, "sfnum") && (o_all & DL_OPT_PORT_SFNUMBER)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->port_sfnumber); + if (err) + return err; + o_found |= DL_OPT_PORT_SFNUMBER; + } else if (dl_argv_match(dl, "controller") && (o_all & DL_OPT_PORT_CONTROLLER)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->port_controller); + if (err) + return err; + o_found |= DL_OPT_PORT_CONTROLLER; + } else if (dl_argv_match(dl, "type") && + (o_all & DL_OPT_PORT_FN_RATE_TYPE)) { + const char *typestr; + + dl_arg_inc(dl); + err = dl_argv_str(dl, &typestr); + if (err) + return err; + err = port_fn_rate_type_get(typestr, &opts->rate_type); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_TYPE; + } else if (dl_argv_match(dl, "tx_share") && + (o_all & DL_OPT_PORT_FN_RATE_TX_SHARE)) { + dl_arg_inc(dl); + err = port_fn_rate_value_get(dl, &opts->rate_tx_share); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_TX_SHARE; + } else if (dl_argv_match(dl, "tx_max") && + (o_all & DL_OPT_PORT_FN_RATE_TX_MAX)) { + dl_arg_inc(dl); + err = port_fn_rate_value_get(dl, &opts->rate_tx_max); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_TX_MAX; + } else if (dl_argv_match(dl, "tx_priority") && + (o_all & DL_OPT_PORT_FN_RATE_TX_PRIORITY)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->rate_tx_priority); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_TX_PRIORITY; + } else if (dl_argv_match(dl, "tx_weight") && + (o_all & DL_OPT_PORT_FN_RATE_TX_WEIGHT)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->rate_tx_weight); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_TX_WEIGHT; + } else if (dl_argv_match(dl, "parent") && + (o_all & DL_OPT_PORT_FN_RATE_PARENT)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->rate_parent_node); + if (err) + return err; + o_found |= DL_OPT_PORT_FN_RATE_PARENT; + } else if (dl_argv_match(dl, "noparent") && + (o_all & DL_OPT_PORT_FN_RATE_PARENT)) { + dl_arg_inc(dl); + opts->rate_parent_node = ""; + o_found |= DL_OPT_PORT_FN_RATE_PARENT; + } else if (dl_argv_match(dl, "lc") && + (o_all & DL_OPT_LINECARD)) { + dl_arg_inc(dl); + err = dl_argv_uint32_t(dl, &opts->linecard_index); + if (err) + return err; + o_found |= DL_OPT_LINECARD; + } else if (dl_argv_match(dl, "type") && + (o_all & DL_OPT_LINECARD_TYPE)) { + dl_arg_inc(dl); + err = dl_argv_str(dl, &opts->linecard_type); + if (err) + return err; + o_found |= DL_OPT_LINECARD_TYPE; + } else if (dl_argv_match(dl, "notype") && + (o_all & DL_OPT_LINECARD_TYPE)) { + dl_arg_inc(dl); + opts->linecard_type = ""; + o_found |= DL_OPT_LINECARD_TYPE; + } else if (dl_argv_match(dl, "roce") && + (o_all & DL_OPT_PORT_FN_CAPS)) { + bool roce; + + dl_arg_inc(dl); + err = dl_argv_bool(dl, &roce); + if (err) + return err; + opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_ROCE; + if (roce) + opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_ROCE; + o_found |= DL_OPT_PORT_FN_CAPS; + } else if (dl_argv_match(dl, "migratable") && + (o_all & DL_OPT_PORT_FN_CAPS)) { + bool mig; + + dl_arg_inc(dl); + err = dl_argv_bool(dl, &mig); + if (err) + return err; + opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_MIGRATABLE; + if (mig) + opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_MIGRATABLE; + o_found |= DL_OPT_PORT_FN_CAPS; + } else if (dl_argv_match(dl, "ipsec_crypto") && + (o_all & DL_OPT_PORT_FN_CAPS)) { + bool ipsec_crypto; + + dl_arg_inc(dl); + err = dl_argv_bool(dl, &ipsec_crypto); + if (err) + return err; + opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO; + if (ipsec_crypto) + opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO; + o_found |= DL_OPT_PORT_FN_CAPS; + } else if (dl_argv_match(dl, "ipsec_packet") && + (o_all & DL_OPT_PORT_FN_CAPS)) { + bool ipsec_packet; + + dl_arg_inc(dl); + err = dl_argv_bool(dl, &ipsec_packet); + if (err) + return err; + opts->port_fn_caps.selector |= DEVLINK_PORT_FN_CAP_IPSEC_PACKET; + if (ipsec_packet) + opts->port_fn_caps.value |= DEVLINK_PORT_FN_CAP_IPSEC_PACKET; + o_found |= DL_OPT_PORT_FN_CAPS; + } else { + pr_err("Unknown option \"%s\"\n", dl_argv(dl)); + return -EINVAL; + } + } + + if ((o_required & DL_OPT_SB) && !(o_found & DL_OPT_SB)) { + opts->sb_index = 0; + o_found |= DL_OPT_SB; + } + + opts->present = o_found; + + return dl_args_finding_required_validate(o_required, o_found); +} + +static int dl_argv_dry_parse(struct dl *dl, uint64_t o_required, + uint64_t o_optional) +{ + char **argv = dl->argv; + int argc = dl->argc; + int err; + + g_err_suspended = true; + err = dl_argv_parse(dl, o_required, o_optional); + g_err_suspended = false; + dl->argv = argv; + dl->argc = argc; + return err; +} + +/* List of extended handles with two slashes. */ +static const uint64_t dl_opt_extended_handle[] = { + DL_OPT_HANDLEP, + DL_OPT_HANDLE_REGION, + DL_OPT_PORT_FN_RATE_NODE_NAME, +}; + +static int dl_argv_parse_with_selector(struct dl *dl, uint16_t *flags, + uint8_t cmd, + uint64_t o_required, + uint64_t o_optional, + uint64_t o_dump_required, + uint64_t o_dump_optional) +{ + int err; + int i; + + if (dl_no_arg(dl)) + goto flag_set; + + /* In case the handle suggests it, do dry parsing first + * to see if all required options are there. Proceed with + * dump selector in case there are missing options on the + * command line. That means user provided partial + * object identification. + */ + + if ((o_required & (DL_OPT_HANDLE | DL_OPT_HANDLEP)) == + (DL_OPT_HANDLE | DL_OPT_HANDLEP)) { + /* Handle case when both devlink handle and port handle + * are allowed. Try both alone, if parsing of either + * is successful, we have a do parse case. + */ + err = dl_argv_dry_parse(dl, o_required & ~DL_OPT_HANDLEP, + o_optional); + if (err == -ENOENT) + goto dump_parse; + else if (!err) + goto do_parse; + err = dl_argv_dry_parse(dl, o_required & ~DL_OPT_HANDLE, + o_optional); + if (err == -ENOENT) + goto dump_parse; + goto do_parse; + } + + for (i = 0; i < ARRAY_SIZE(dl_opt_extended_handle); i++) { + uint64_t handle = dl_opt_extended_handle[i]; + + if ((o_required & handle) == handle) { + err = dl_argv_dry_parse(dl, (o_required & ~handle) | + DL_OPT_HANDLE, + o_optional); + if (err == -ENOENT || !err) + goto dump_parse; + goto do_parse; + } + } + + err = dl_argv_dry_parse(dl, o_required, o_optional); + if (err == -ENOENT) + goto dump_parse; + +do_parse: + return dl_argv_parse(dl, o_required, o_optional); + +dump_parse: + err = mnlu_gen_cmd_dump_policy(&dl->nlg, cmd); + if (err) { + pr_err("Dump selectors are not supported by kernel for this command\n"); + return -ENOTSUP; + } + + err = dl_argv_parse(dl, o_dump_required, o_dump_optional); + if (err) + return err; + +flag_set: + *flags |= NLM_F_DUMP; + return 0; +} + +static void +dl_function_attr_put(struct nlmsghdr *nlh, const struct dl_opts *opts) +{ + struct nlattr *nest; + + nest = mnl_attr_nest_start(nlh, DEVLINK_ATTR_PORT_FUNCTION); + + if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR) + mnl_attr_put(nlh, DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, + opts->port_function_hw_addr_len, + opts->port_function_hw_addr); + if (opts->present & DL_OPT_PORT_FUNCTION_STATE) + mnl_attr_put_u8(nlh, DEVLINK_PORT_FN_ATTR_STATE, + opts->port_fn_state); + if (opts->present & DL_OPT_PORT_FN_CAPS) + mnl_attr_put(nlh, DEVLINK_PORT_FN_ATTR_CAPS, + sizeof(opts->port_fn_caps), &opts->port_fn_caps); + + mnl_attr_nest_end(nlh, nest); +} + +static void +dl_flash_update_overwrite_put(struct nlmsghdr *nlh, const struct dl_opts *opts) +{ + struct nla_bitfield32 overwrite_mask; + + overwrite_mask.selector = DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS; + overwrite_mask.value = opts->overwrite_mask; + + mnl_attr_put(nlh, DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK, + sizeof(overwrite_mask), &overwrite_mask); +} + +static void +dl_reload_limits_put(struct nlmsghdr *nlh, const struct dl_opts *opts) +{ + struct nla_bitfield32 limits; + + limits.selector = DEVLINK_RELOAD_LIMITS_VALID_MASK; + limits.value = BIT(opts->reload_limit); + mnl_attr_put(nlh, DEVLINK_ATTR_RELOAD_LIMITS, sizeof(limits), &limits); +} + +static void +dl_selftests_put(struct nlmsghdr *nlh, const struct dl_opts *opts) +{ + bool test_sel = false; + struct nlattr *nest; + int id; + + nest = mnl_attr_nest_start(nlh, DEVLINK_ATTR_SELFTESTS); + + for (id = DEVLINK_ATTR_SELFTEST_ID_UNSPEC + 1; + id <= DEVLINK_ATTR_SELFTEST_ID_MAX && + opts->selftests_opt[id]; id++) { + if (opts->selftests_opt[id]) { + test_sel = true; + mnl_attr_put(nlh, id, 0, NULL); + } + } + + /* No test selected from user, select all */ + if (!test_sel) { + for (id = DEVLINK_ATTR_SELFTEST_ID_UNSPEC + 1; + id <= DEVLINK_ATTR_SELFTEST_ID_MAX; id++) + mnl_attr_put(nlh, id, 0, NULL); + } + + mnl_attr_nest_end(nlh, nest); +} + +static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl) +{ + struct dl_opts *opts = &dl->opts; + + if (opts->present & DL_OPT_HANDLE) { + mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); + mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); + } else if (opts->present & DL_OPT_HANDLEP) { + mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); + mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX, + opts->port_index); + } else if (opts->present & DL_OPT_HANDLE_REGION) { + mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); + mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); + mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME, + opts->region_name); + } else if (opts->present & DL_OPT_PORT_FN_RATE_NODE_NAME) { + mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); + mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); + mnl_attr_put_strz(nlh, DEVLINK_ATTR_RATE_NODE_NAME, + opts->rate_node_name); + } + if (opts->present & DL_OPT_PORT_TYPE) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE, + opts->port_type); + if (opts->present & DL_OPT_PORT_COUNT) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT, + opts->port_count); + if (opts->present & DL_OPT_SB) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX, + opts->sb_index); + if (opts->present & DL_OPT_SB_POOL) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX, + opts->sb_pool_index); + if (opts->present & DL_OPT_SB_SIZE) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE, + opts->sb_pool_size); + if (opts->present & DL_OPT_SB_TYPE) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE, + opts->sb_pool_type); + if (opts->present & DL_OPT_SB_THTYPE) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, + opts->sb_pool_thtype); + if (opts->present & DL_OPT_SB_TH) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD, + opts->sb_threshold); + if (opts->present & DL_OPT_SB_TC) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX, + opts->sb_tc_index); + if (opts->present & DL_OPT_ESWITCH_MODE) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE, + opts->eswitch_mode); + if (opts->present & DL_OPT_ESWITCH_INLINE_MODE) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE, + opts->eswitch_inline_mode); + if (opts->present & DL_OPT_DPIPE_TABLE_NAME) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME, + opts->dpipe_table_name); + if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED, + opts->dpipe_counters_enabled); + if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, + opts->eswitch_encap_mode); + if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID, + opts->resource_id); + if (opts->present & DL_OPT_RESOURCE_SIZE) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE, + opts->resource_size); + if (opts->present & DL_OPT_PARAM_NAME) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME, + opts->param_name); + if (opts->present & DL_OPT_PARAM_CMODE) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE, + opts->cmode); + if (opts->present & DL_OPT_REGION_SNAPSHOT_ID) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID, + opts->region_snapshot_id); + if (opts->present & DL_OPT_REGION_ADDRESS) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR, + opts->region_address); + if (opts->present & DL_OPT_REGION_LENGTH) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN, + opts->region_length); + if (opts->present & DL_OPT_FLASH_FILE_NAME) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_FILE_NAME, + opts->flash_file_name); + if (opts->present & DL_OPT_FLASH_COMPONENT) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_FLASH_UPDATE_COMPONENT, + opts->flash_component); + if (opts->present & DL_OPT_FLASH_OVERWRITE) + dl_flash_update_overwrite_put(nlh, opts); + if (opts->present & DL_OPT_SELFTESTS) + dl_selftests_put(nlh, opts); + if (opts->present & DL_OPT_HEALTH_REPORTER_NAME) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_HEALTH_REPORTER_NAME, + opts->reporter_name); + if (opts->present & DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD) + mnl_attr_put_u64(nlh, + DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD, + opts->reporter_graceful_period); + if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_RECOVER) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER, + opts->reporter_auto_recover); + if (opts->present & DL_OPT_HEALTH_REPORTER_AUTO_DUMP) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP, + opts->reporter_auto_dump); + if (opts->present & DL_OPT_TRAP_NAME) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_NAME, + opts->trap_name); + if (opts->present & DL_OPT_TRAP_GROUP_NAME) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_TRAP_GROUP_NAME, + opts->trap_group_name); + if (opts->present & DL_OPT_TRAP_ACTION) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_TRAP_ACTION, + opts->trap_action); + if (opts->present & DL_OPT_NETNS) + mnl_attr_put_u32(nlh, + opts->netns_is_pid ? DEVLINK_ATTR_NETNS_PID : + DEVLINK_ATTR_NETNS_FD, + opts->netns); + if (opts->present & DL_OPT_RELOAD_ACTION) + mnl_attr_put_u8(nlh, DEVLINK_ATTR_RELOAD_ACTION, + opts->reload_action); + if (opts->present & DL_OPT_RELOAD_LIMIT) + dl_reload_limits_put(nlh, opts); + if (opts->present & DL_OPT_TRAP_POLICER_ID) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_TRAP_POLICER_ID, + opts->trap_policer_id); + if (opts->present & DL_OPT_TRAP_POLICER_RATE) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_RATE, + opts->trap_policer_rate); + if (opts->present & DL_OPT_TRAP_POLICER_BURST) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_TRAP_POLICER_BURST, + opts->trap_policer_burst); + if (opts->present & (DL_OPT_PORT_FUNCTION_HW_ADDR | DL_OPT_PORT_FUNCTION_STATE | + DL_OPT_PORT_FN_CAPS)) + dl_function_attr_put(nlh, opts); + if (opts->present & DL_OPT_PORT_FLAVOUR) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_FLAVOUR, opts->port_flavour); + if (opts->present & DL_OPT_PORT_PFNUMBER) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_PCI_PF_NUMBER, opts->port_pfnumber); + if (opts->present & DL_OPT_PORT_SFNUMBER) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_PCI_SF_NUMBER, opts->port_sfnumber); + if (opts->present & DL_OPT_PORT_CONTROLLER) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, + opts->port_controller); + if (opts->present & DL_OPT_PORT_FN_RATE_TYPE) + mnl_attr_put_u16(nlh, DEVLINK_ATTR_RATE_TYPE, + opts->rate_type); + if (opts->present & DL_OPT_PORT_FN_RATE_TX_SHARE) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_RATE_TX_SHARE, + opts->rate_tx_share); + if (opts->present & DL_OPT_PORT_FN_RATE_TX_PRIORITY) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_RATE_TX_PRIORITY, + opts->rate_tx_priority); + if (opts->present & DL_OPT_PORT_FN_RATE_TX_WEIGHT) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_RATE_TX_WEIGHT, + opts->rate_tx_weight); + if (opts->present & DL_OPT_PORT_FN_RATE_TX_MAX) + mnl_attr_put_u64(nlh, DEVLINK_ATTR_RATE_TX_MAX, + opts->rate_tx_max); + if (opts->present & DL_OPT_PORT_FN_RATE_PARENT) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_RATE_PARENT_NODE_NAME, + opts->rate_parent_node); + if (opts->present & DL_OPT_LINECARD) + mnl_attr_put_u32(nlh, DEVLINK_ATTR_LINECARD_INDEX, + opts->linecard_index); + if (opts->present & DL_OPT_LINECARD_TYPE) + mnl_attr_put_strz(nlh, DEVLINK_ATTR_LINECARD_TYPE, + opts->linecard_type); +} + +static bool dl_dump_filter(struct dl *dl, struct nlattr **tb) +{ + struct dl_opts *opts = &dl->opts; + struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME]; + struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME]; + struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX]; + struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX]; + struct nlattr *attr_linecard_index = tb[DEVLINK_ATTR_LINECARD_INDEX]; + + if (opts->present & DL_OPT_HANDLE && + attr_bus_name && attr_dev_name) { + const char *bus_name = mnl_attr_get_str(attr_bus_name); + const char *dev_name = mnl_attr_get_str(attr_dev_name); + + if (strcmp(bus_name, opts->bus_name) != 0 || + strcmp(dev_name, opts->dev_name) != 0) + return false; + } + if (opts->present & DL_OPT_HANDLEP && + attr_bus_name && attr_dev_name && attr_port_index) { + const char *bus_name = mnl_attr_get_str(attr_bus_name); + const char *dev_name = mnl_attr_get_str(attr_dev_name); + uint32_t port_index = mnl_attr_get_u32(attr_port_index); + + if (strcmp(bus_name, opts->bus_name) != 0 || + strcmp(dev_name, opts->dev_name) != 0 || + port_index != opts->port_index) + return false; + } + if (opts->present & DL_OPT_SB && attr_sb_index) { + uint32_t sb_index = mnl_attr_get_u32(attr_sb_index); + + if (sb_index != opts->sb_index) + return false; + } + if (opts->present & DL_OPT_LINECARD && attr_linecard_index) { + uint32_t linecard_index = mnl_attr_get_u32(attr_linecard_index); + + if (linecard_index != opts->linecard_index) + return false; + } + return true; +} + +static void cmd_dev_help(void) +{ + pr_err("Usage: devlink dev show [ DEV ]\n"); + pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n"); + pr_err(" [ inline-mode { none | link | network | transport } ]\n"); + pr_err(" [ encap-mode { none | basic } ]\n"); + pr_err(" devlink dev eswitch show DEV\n"); + pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n"); + pr_err(" devlink dev param show [DEV name PARAMETER]\n"); + pr_err(" devlink dev reload DEV [ netns { PID | NAME | ID } ]\n"); + pr_err(" [ action { driver_reinit | fw_activate } ] [ limit no_reset ]\n"); + pr_err(" devlink dev info [ DEV ]\n"); + pr_err(" devlink dev flash DEV file PATH [ component NAME ] [ overwrite SECTION ]\n"); + pr_err(" devlink dev selftests show [DEV]\n"); + pr_err(" devlink dev selftests run DEV [id TESTNAME ]\n"); +} + +static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name, + const char *dev_name) +{ + if (!dl->arr_last.present) + return false; + return strcmp(dl->arr_last.bus_name, bus_name) == 0 && + strcmp(dl->arr_last.dev_name, dev_name) == 0; +} + +static void arr_last_handle_set(struct dl *dl, const char *bus_name, + const char *dev_name) +{ + dl->arr_last.present = true; + free(dl->arr_last.dev_name); + free(dl->arr_last.bus_name); + dl->arr_last.bus_name = strdup(bus_name); + dl->arr_last.dev_name = strdup(dev_name); +} + +static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name, + const char *dev_name) +{ + return !cmp_arr_last_handle(dl, bus_name, dev_name); +} + +static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name, + const char *dev_name) +{ + return dl->arr_last.present && + !cmp_arr_last_handle(dl, bus_name, dev_name); +} + +static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb, + bool content, bool array) +{ + const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + char buf[64]; + + snprintf(buf, sizeof(buf), "%s/%s", bus_name, dev_name); + + if (dl->json_output) { + if (array) { + if (should_arr_last_handle_end(dl, bus_name, dev_name)) + close_json_array(PRINT_JSON, NULL); + if (should_arr_last_handle_start(dl, bus_name, + dev_name)) { + open_json_array(PRINT_JSON, buf); + open_json_object(NULL); + arr_last_handle_set(dl, bus_name, dev_name); + } else { + open_json_object(NULL); + } + } else { + open_json_object(buf); + } + } else { + if (array) { + if (should_arr_last_handle_end(dl, bus_name, dev_name)) + __pr_out_indent_dec(); + if (should_arr_last_handle_start(dl, bus_name, + dev_name)) { + pr_out("%s%s", buf, content ? ":" : ""); + __pr_out_newline(); + __pr_out_indent_inc(); + arr_last_handle_set(dl, bus_name, dev_name); + } + } else { + pr_out("%s%s", buf, content ? ":" : ""); + } + } +} + +static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb) +{ + __pr_out_handle_start(dl, tb, true, true); +} + +static void pr_out_handle_end(struct dl *dl) +{ + if (dl->json_output) + close_json_object(); + else + __pr_out_newline(); +} + +static void pr_out_handle(struct dl *dl, struct nlattr **tb) +{ + __pr_out_handle_start(dl, tb, false, false); + pr_out_handle_end(dl); +} + +static void pr_out_selftests_handle_start(struct dl *dl, struct nlattr **tb) +{ + const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + char buf[64]; + + snprintf(buf, sizeof(buf), "%s/%s", bus_name, dev_name); + + if (dl->json_output) { + if (should_arr_last_handle_end(dl, bus_name, dev_name)) + close_json_array(PRINT_JSON, NULL); + if (should_arr_last_handle_start(dl, bus_name, + dev_name)) { + open_json_array(PRINT_JSON, buf); + arr_last_handle_set(dl, bus_name, dev_name); + } + } else { + if (should_arr_last_handle_end(dl, bus_name, dev_name)) + __pr_out_indent_dec(); + if (should_arr_last_handle_start(dl, bus_name, + dev_name)) { + pr_out("%s%s", buf, ":"); + __pr_out_newline(); + __pr_out_indent_inc(); + arr_last_handle_set(dl, bus_name, dev_name); + } + } +} + +static void pr_out_selftests_handle_end(struct dl *dl) +{ + if (!dl->json_output) + __pr_out_newline(); +} + +static void __pr_out_nested_handle(struct dl *dl, struct nlattr *nla_nested_dl, + bool is_object) +{ + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + int err; + + err = mnl_attr_parse_nested(nla_nested_dl, attr_cb, tb); + if (err != MNL_CB_OK) + return; + + if (!tb[DEVLINK_ATTR_BUS_NAME] || + !tb[DEVLINK_ATTR_DEV_NAME]) + return; + + if (!is_object) { + char buf[64]; + + snprintf(buf, sizeof(buf), "%s/%s", + mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]), + mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME])); + print_string(PRINT_ANY, "nested_devlink", " nested_devlink %s", buf); + return; + } + + __pr_out_handle_start(dl, tb, tb[DEVLINK_ATTR_NETNS_ID], false); + if (tb[DEVLINK_ATTR_NETNS_ID]) { + int32_t id = mnl_attr_get_u32(tb[DEVLINK_ATTR_NETNS_ID]); + + if (id >= 0) { + char *name = netns_name_from_id(id); + + if (name) { + print_string(PRINT_ANY, "netns", + " netns %s", name); + free(name); + } else { + print_int(PRINT_ANY, "netnsid", + " netnsid %d", id); + } + } else { + print_string(PRINT_FP, NULL, " netnsid %s", "unknown"); + print_int(PRINT_JSON, "netnsid", NULL, id); + } + } + pr_out_handle_end(dl); +} + +static void pr_out_nested_handle(struct nlattr *nla_nested_dl) +{ + __pr_out_nested_handle(NULL, nla_nested_dl, false); +} + +static void pr_out_nested_handle_obj(struct dl *dl, + struct nlattr *nla_nested_dl, + bool obj_start, bool obj_end) +{ + if (obj_start) { + pr_out_object_start(dl, "nested_devlink"); + check_indent_newline(dl); + } + __pr_out_nested_handle(dl, nla_nested_dl, true); + if (obj_end) { + if (!dl->json_output) + __pr_out_indent_dec(); + pr_out_object_end(dl); + } +} + +static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name, + const char *dev_name, uint32_t port_index) +{ + return cmp_arr_last_handle(dl, bus_name, dev_name) && + dl->arr_last.port_index == port_index; +} + +static void arr_last_port_handle_set(struct dl *dl, const char *bus_name, + const char *dev_name, uint32_t port_index) +{ + arr_last_handle_set(dl, bus_name, dev_name); + dl->arr_last.port_index = port_index; +} + +static bool should_arr_last_port_handle_start(struct dl *dl, + const char *bus_name, + const char *dev_name, + uint32_t port_index) +{ + return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index); +} + +static bool should_arr_last_port_handle_end(struct dl *dl, + const char *bus_name, + const char *dev_name, + uint32_t port_index) +{ + return dl->arr_last.present && + !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index); +} + +static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name, + const char *dev_name, + uint32_t port_index, const char *ifname, + bool try_nice, bool array) +{ + static char buf[64]; + + if (dl->no_nice_names || !try_nice || + ifname_map_rev_lookup(dl, bus_name, dev_name, + port_index, &ifname) != 0) + snprintf(buf, sizeof(buf), "%s/%s/%d", + bus_name, dev_name, port_index); + else + snprintf(buf, sizeof(buf), "%s", ifname); + + if (dl->json_output) { + if (array) { + if (should_arr_last_port_handle_end(dl, bus_name, + dev_name, + port_index)) + close_json_array(PRINT_JSON, NULL); + if (should_arr_last_port_handle_start(dl, bus_name, + dev_name, + port_index)) { + open_json_array(PRINT_JSON, buf); + open_json_object(NULL); + arr_last_port_handle_set(dl, bus_name, dev_name, + port_index); + } else { + open_json_object(NULL); + } + } else { + open_json_object(buf); + } + } else { + if (array) { + if (should_arr_last_port_handle_end(dl, bus_name, dev_name, port_index)) + __pr_out_indent_dec(); + if (should_arr_last_port_handle_start(dl, bus_name, + dev_name, port_index)) { + pr_out("%s:", buf); + __pr_out_newline(); + __pr_out_indent_inc(); + arr_last_port_handle_set(dl, bus_name, dev_name, port_index); + } + } else { + pr_out("%s:", buf); + } + } +} + +static void __pr_out_port_handle_start_tb(struct dl *dl, struct nlattr **tb, + bool try_nice, bool array) +{ + const char *ifname = NULL; + const char *bus_name; + const char *dev_name; + uint32_t port_index; + + bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); + if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) + ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]); + __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, + ifname, try_nice, array); +} + +static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice) +{ + __pr_out_port_handle_start_tb(dl, tb, try_nice, false); +} + +static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice) +{ + __pr_out_port_handle_start_tb(dl, tb, try_nice, true); +} + +static void pr_out_port_handle_end(struct dl *dl) +{ + if (dl->json_output) + close_json_object(); + else + __pr_out_newline(); +} + +static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr) +{ + if (dl->json_output) { + print_uint(PRINT_JSON, "address", NULL, addr); + open_json_array(PRINT_JSON, "data"); + } +} + +static void pr_out_region_chunk_end(struct dl *dl) +{ + if (dl->json_output) + close_json_array(PRINT_JSON, NULL); +} + +static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len, + uint64_t addr) +{ + static uint64_t align_val; + uint32_t i = 0; + + pr_out_region_chunk_start(dl, addr); + while (i < len) { + if (!dl->json_output) + if (!(align_val % 16)) + pr_out("%s%016"PRIx64" ", + align_val ? "\n" : "", + addr); + + align_val++; + + if (dl->json_output) + print_int(PRINT_JSON, NULL, NULL, data[i]); + else + pr_out("%02x ", data[i]); + + addr++; + i++; + } + pr_out_region_chunk_end(dl); +} + +static void pr_out_stats(struct dl *dl, struct nlattr *nla_stats) +{ + struct nlattr *tb[DEVLINK_ATTR_STATS_MAX + 1] = {}; + int err; + + if (!dl->stats) + return; + + err = mnl_attr_parse_nested(nla_stats, attr_stats_cb, tb); + if (err != MNL_CB_OK) + return; + + pr_out_object_start(dl, "stats"); + pr_out_object_start(dl, "rx"); + if (tb[DEVLINK_ATTR_STATS_RX_BYTES]) + pr_out_u64(dl, "bytes", + mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_BYTES])); + if (tb[DEVLINK_ATTR_STATS_RX_PACKETS]) + pr_out_u64(dl, "packets", + mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_PACKETS])); + if (tb[DEVLINK_ATTR_STATS_RX_DROPPED]) + pr_out_u64(dl, "dropped", + mnl_attr_get_u64(tb[DEVLINK_ATTR_STATS_RX_DROPPED])); + pr_out_object_end(dl); + pr_out_object_end(dl); +} + +static const char *param_cmode_name(uint8_t cmode) +{ + switch (cmode) { + case DEVLINK_PARAM_CMODE_RUNTIME: + return PARAM_CMODE_RUNTIME_STR; + case DEVLINK_PARAM_CMODE_DRIVERINIT: + return PARAM_CMODE_DRIVERINIT_STR; + case DEVLINK_PARAM_CMODE_PERMANENT: + return PARAM_CMODE_PERMANENT_STR; + default: return "<unknown type>"; + } +} + +static const char *reload_action_name(uint8_t reload_action) +{ + switch (reload_action) { + case DEVLINK_RELOAD_ACTION_DRIVER_REINIT: + return "driver_reinit"; + case DEVLINK_RELOAD_ACTION_FW_ACTIVATE: + return "fw_activate"; + default: + return "<unknown reload action>"; + } +} + +static const char *reload_limit_name(uint8_t reload_limit) +{ + switch (reload_limit) { + case DEVLINK_RELOAD_LIMIT_UNSPEC: + return "unspecified"; + case DEVLINK_RELOAD_LIMIT_NO_RESET: + return "no_reset"; + default: + return "<unknown reload action>"; + } +} + +static const char *eswitch_mode_name(uint32_t mode) +{ + switch (mode) { + case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY; + case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV; + default: return "<unknown mode>"; + } +} + +static const char *eswitch_inline_mode_name(uint32_t mode) +{ + switch (mode) { + case DEVLINK_ESWITCH_INLINE_MODE_NONE: + return ESWITCH_INLINE_MODE_NONE; + case DEVLINK_ESWITCH_INLINE_MODE_LINK: + return ESWITCH_INLINE_MODE_LINK; + case DEVLINK_ESWITCH_INLINE_MODE_NETWORK: + return ESWITCH_INLINE_MODE_NETWORK; + case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT: + return ESWITCH_INLINE_MODE_TRANSPORT; + default: + return "<unknown mode>"; + } +} + +static const char *eswitch_encap_mode_name(uint32_t mode) +{ + switch (mode) { + case DEVLINK_ESWITCH_ENCAP_MODE_NONE: + return ESWITCH_ENCAP_MODE_NONE; + case DEVLINK_ESWITCH_ENCAP_MODE_BASIC: + return ESWITCH_ENCAP_MODE_BASIC; + default: + return "<unknown mode>"; + } +} + +static void pr_out_eswitch(struct dl *dl, struct nlattr **tb) +{ + __pr_out_handle_start(dl, tb, true, false); + + if (tb[DEVLINK_ATTR_ESWITCH_MODE]) { + check_indent_newline(dl); + print_string(PRINT_ANY, "mode", "mode %s", + eswitch_mode_name(mnl_attr_get_u16( + tb[DEVLINK_ATTR_ESWITCH_MODE]))); + } + if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) { + check_indent_newline(dl); + print_string(PRINT_ANY, "inline-mode", "inline-mode %s", + eswitch_inline_mode_name(mnl_attr_get_u8( + tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE]))); + } + if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) { + check_indent_newline(dl); + print_string(PRINT_ANY, "encap-mode", "encap-mode %s", + eswitch_encap_mode_name(mnl_attr_get_u8( + tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]))); + } + + pr_out_handle_end(dl); +} + +static int cmd_dev_eswitch_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) + return MNL_CB_ERROR; + pr_out_eswitch(dl, tb); + return MNL_CB_OK; +} + +static int cmd_dev_eswitch_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_ESWITCH_GET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "dev"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_eswitch_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_dev_eswitch_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE, + DL_OPT_ESWITCH_MODE | + DL_OPT_ESWITCH_INLINE_MODE | + DL_OPT_ESWITCH_ENCAP_MODE); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_ESWITCH_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + if (dl->opts.present == 1) { + pr_err("Need to set at least one option\n"); + return -ENOENT; + } + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_dev_eswitch(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_dev_help(); + return 0; + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_dev_eswitch_set(dl); + } else if (dl_argv_match(dl, "show")) { + dl_arg_inc(dl); + return cmd_dev_eswitch_show(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +struct param_val_conv { + const char *name; + const char *vstr; + uint32_t vuint; +}; + +static bool param_val_conv_exists(const struct param_val_conv *param_val_conv, + uint32_t len, const char *name) +{ + uint32_t i; + + for (i = 0; i < len; i++) + if (!strcmp(param_val_conv[i].name, name)) + return true; + + return false; +} + +static int +param_val_conv_uint_get(const struct param_val_conv *param_val_conv, + uint32_t len, const char *name, const char *vstr, + uint32_t *vuint) +{ + uint32_t i; + + for (i = 0; i < len; i++) + if (!strcmp(param_val_conv[i].name, name) && + !strcmp(param_val_conv[i].vstr, vstr)) { + *vuint = param_val_conv[i].vuint; + return 0; + } + + return -ENOENT; +} + +static int +param_val_conv_str_get(const struct param_val_conv *param_val_conv, + uint32_t len, const char *name, uint32_t vuint, + const char **vstr) +{ + uint32_t i; + + for (i = 0; i < len; i++) + if (!strcmp(param_val_conv[i].name, name) && + param_val_conv[i].vuint == vuint) { + *vstr = param_val_conv[i].vstr; + return 0; + } + + return -ENOENT; +} + +static const struct param_val_conv param_val_conv[] = { + { + .name = "fw_load_policy", + .vstr = "driver", + .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER, + }, + { + .name = "fw_load_policy", + .vstr = "flash", + .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH, + }, + { + .name = "fw_load_policy", + .vstr = "disk", + .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK, + }, + { + .name = "reset_dev_on_drv_probe", + .vstr = "unknown", + .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_UNKNOWN, + }, + { + .name = "fw_load_policy", + .vstr = "unknown", + .vuint = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_UNKNOWN, + }, + { + .name = "reset_dev_on_drv_probe", + .vstr = "always", + .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_ALWAYS, + }, + { + .name = "reset_dev_on_drv_probe", + .vstr = "never", + .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_NEVER, + }, + { + .name = "reset_dev_on_drv_probe", + .vstr = "disk", + .vuint = DEVLINK_PARAM_RESET_DEV_ON_DRV_PROBE_VALUE_DISK, + }, +}; + +#define PARAM_VAL_CONV_LEN ARRAY_SIZE(param_val_conv) + +static void pr_out_param_value(struct dl *dl, const char *nla_name, + int nla_type, struct nlattr *nl) +{ + struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *val_attr; + const char *vstr; + bool conv_exists; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_value); + if (err != MNL_CB_OK) + return; + + if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] || + (nla_type != MNL_TYPE_FLAG && + !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA])) + return; + + check_indent_newline(dl); + print_string(PRINT_ANY, "cmode", "cmode %s", + param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]))); + + val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]; + + conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN, + nla_name); + + switch (nla_type) { + case MNL_TYPE_U8: + if (conv_exists) { + err = param_val_conv_str_get(param_val_conv, + PARAM_VAL_CONV_LEN, + nla_name, + mnl_attr_get_u8(val_attr), + &vstr); + if (err) + return; + print_string(PRINT_ANY, "value", " value %s", vstr); + } else { + print_uint(PRINT_ANY, "value", " value %u", + mnl_attr_get_u8(val_attr)); + } + break; + case MNL_TYPE_U16: + if (conv_exists) { + err = param_val_conv_str_get(param_val_conv, + PARAM_VAL_CONV_LEN, + nla_name, + mnl_attr_get_u16(val_attr), + &vstr); + if (err) + return; + print_string(PRINT_ANY, "value", " value %s", vstr); + } else { + print_uint(PRINT_ANY, "value", " value %u", + mnl_attr_get_u16(val_attr)); + } + break; + case MNL_TYPE_U32: + if (conv_exists) { + err = param_val_conv_str_get(param_val_conv, + PARAM_VAL_CONV_LEN, + nla_name, + mnl_attr_get_u32(val_attr), + &vstr); + if (err) + return; + print_string(PRINT_ANY, "value", " value %s", vstr); + } else { + print_uint(PRINT_ANY, "value", " value %u", + mnl_attr_get_u32(val_attr)); + } + break; + case MNL_TYPE_STRING: + print_string(PRINT_ANY, "value", " value %s", + mnl_attr_get_str(val_attr)); + break; + case MNL_TYPE_FLAG: + print_bool(PRINT_ANY, "value", " value %s", val_attr); + break; + } +} + +static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array, + bool is_port_param) +{ + struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *param_value_attr; + const char *nla_name; + int nla_type; + int err; + + err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param); + if (err != MNL_CB_OK) + return; + if (!nla_param[DEVLINK_ATTR_PARAM_NAME] || + !nla_param[DEVLINK_ATTR_PARAM_TYPE] || + !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) + return; + + if (array) + if (is_port_param) + pr_out_port_handle_start_arr(dl, tb, false); + else + pr_out_handle_start_arr(dl, tb); + else + if (is_port_param) + pr_out_port_handle_start(dl, tb, false); + else + __pr_out_handle_start(dl, tb, true, false); + + nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]); + + nla_name = mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]); + check_indent_newline(dl); + print_string(PRINT_ANY, "name", "name %s ", nla_name); + if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC]) + print_string(PRINT_ANY, "type", "type %s", "driver-specific"); + else + print_string(PRINT_ANY, "type", "type %s", "generic"); + + pr_out_array_start(dl, "values"); + mnl_attr_for_each_nested(param_value_attr, + nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) { + pr_out_entry_start(dl); + pr_out_param_value(dl, nla_name, nla_type, param_value_attr); + pr_out_entry_end(dl); + } + pr_out_array_end(dl); + if (is_port_param) + pr_out_port_handle_end(dl); + else + pr_out_handle_end(dl); +} + +static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PARAM]) + return MNL_CB_ERROR; + pr_out_param(dl, tb, true, false); + return MNL_CB_OK; +} + +struct param_ctx { + struct dl *dl; + int nla_type; + bool cmode_found; + union { + uint8_t vu8; + uint16_t vu16; + uint32_t vu32; + const char *vstr; + bool vbool; + } value; +}; + +static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *param_value_attr; + enum devlink_param_cmode cmode; + struct param_ctx *ctx = data; + struct dl *dl = ctx->dl; + int nla_type; + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PARAM]) + return MNL_CB_ERROR; + + err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] || + !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) + return MNL_CB_ERROR; + + nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]); + mnl_attr_for_each_nested(param_value_attr, + nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) { + struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *val_attr; + + err = mnl_attr_parse_nested(param_value_attr, + attr_cb, nla_value); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] || + (nla_type != MNL_TYPE_FLAG && + !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA])) + return MNL_CB_ERROR; + + cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]); + if (cmode == dl->opts.cmode) { + ctx->cmode_found = true; + val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]; + switch (nla_type) { + case MNL_TYPE_U8: + ctx->value.vu8 = mnl_attr_get_u8(val_attr); + break; + case MNL_TYPE_U16: + ctx->value.vu16 = mnl_attr_get_u16(val_attr); + break; + case MNL_TYPE_U32: + ctx->value.vu32 = mnl_attr_get_u32(val_attr); + break; + case MNL_TYPE_STRING: + ctx->value.vstr = mnl_attr_get_str(val_attr); + break; + case MNL_TYPE_FLAG: + ctx->value.vbool = val_attr ? true : false; + break; + } + break; + } + } + ctx->nla_type = nla_type; + return MNL_CB_OK; +} + +static int cmd_dev_param_set(struct dl *dl) +{ + struct param_ctx ctx = {}; + struct nlmsghdr *nlh; + bool conv_exists; + uint32_t val_u32 = 0; + uint16_t val_u16; + uint8_t val_u8; + bool val_bool; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | + DL_OPT_PARAM_NAME | + DL_OPT_PARAM_VALUE | + DL_OPT_PARAM_CMODE, 0); + if (err) + return err; + + /* Get value type */ + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_GET, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + + ctx.dl = dl; + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_param_set_cb, &ctx); + if (err) + return err; + if (!ctx.cmode_found) { + pr_err("Configuration mode not supported\n"); + return -ENOTSUP; + } + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_SET, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + + conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN, + dl->opts.param_name); + + mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type); + switch (ctx.nla_type) { + case MNL_TYPE_U8: + if (conv_exists) { + err = param_val_conv_uint_get(param_val_conv, + PARAM_VAL_CONV_LEN, + dl->opts.param_name, + dl->opts.param_value, + &val_u32); + val_u8 = val_u32; + } else { + err = get_u8(&val_u8, dl->opts.param_value, 10); + } + if (err) + goto err_param_value_parse; + if (val_u8 == ctx.value.vu8) + return 0; + mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8); + break; + case MNL_TYPE_U16: + if (conv_exists) { + err = param_val_conv_uint_get(param_val_conv, + PARAM_VAL_CONV_LEN, + dl->opts.param_name, + dl->opts.param_value, + &val_u32); + val_u16 = val_u32; + } else { + err = get_u16(&val_u16, dl->opts.param_value, 10); + } + if (err) + goto err_param_value_parse; + if (val_u16 == ctx.value.vu16) + return 0; + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16); + break; + case MNL_TYPE_U32: + if (conv_exists) + err = param_val_conv_uint_get(param_val_conv, + PARAM_VAL_CONV_LEN, + dl->opts.param_name, + dl->opts.param_value, + &val_u32); + else + err = get_u32(&val_u32, dl->opts.param_value, 10); + if (err) + goto err_param_value_parse; + if (val_u32 == ctx.value.vu32) + return 0; + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32); + break; + case MNL_TYPE_FLAG: + err = strtobool(dl->opts.param_value, &val_bool); + if (err) + goto err_param_value_parse; + if (val_bool == ctx.value.vbool) + return 0; + if (val_bool) + mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, + 0, NULL); + break; + case MNL_TYPE_STRING: + mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, + dl->opts.param_value); + if (!strcmp(dl->opts.param_value, ctx.value.vstr)) + return 0; + break; + default: + printf("Value type not supported\n"); + return -ENOTSUP; + } + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); + +err_param_value_parse: + pr_err("Value \"%s\" is not a number or not within range\n", + dl->opts.param_value); + return err; +} + +static int cmd_port_param_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_PARAM]) + return MNL_CB_ERROR; + + pr_out_param(dl, tb, true, true); + return MNL_CB_OK; +} + +static int cmd_dev_param_show(struct dl *dl) +{ + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_PARAM_GET, + DL_OPT_HANDLE | DL_OPT_PARAM_NAME, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PARAM_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "param"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_param_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_dev_param(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_dev_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_dev_param_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_dev_param_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void pr_out_action_stats(struct dl *dl, struct nlattr *action_stats) +{ + struct nlattr *tb_stats_entry[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *nla_reload_stats_entry, *nla_limit, *nla_value; + enum devlink_reload_limit limit; + uint32_t value; + int err; + + mnl_attr_for_each_nested(nla_reload_stats_entry, action_stats) { + err = mnl_attr_parse_nested(nla_reload_stats_entry, attr_cb, + tb_stats_entry); + if (err != MNL_CB_OK) + return; + + nla_limit = tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_LIMIT]; + nla_value = tb_stats_entry[DEVLINK_ATTR_RELOAD_STATS_VALUE]; + if (!nla_limit || !nla_value) + return; + + check_indent_newline(dl); + limit = mnl_attr_get_u8(nla_limit); + value = mnl_attr_get_u32(nla_value); + print_uint_name_value(reload_limit_name(limit), value); + } +} + +static void pr_out_reload_stats(struct dl *dl, struct nlattr *reload_stats) +{ + struct nlattr *nla_action_info, *nla_action, *nla_action_stats; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + enum devlink_reload_action action; + int err; + + mnl_attr_for_each_nested(nla_action_info, reload_stats) { + err = mnl_attr_parse_nested(nla_action_info, attr_cb, tb); + if (err != MNL_CB_OK) + return; + nla_action = tb[DEVLINK_ATTR_RELOAD_ACTION]; + nla_action_stats = tb[DEVLINK_ATTR_RELOAD_ACTION_STATS]; + if (!nla_action || !nla_action_stats) + return; + + action = mnl_attr_get_u8(nla_action); + pr_out_object_start(dl, reload_action_name(action)); + pr_out_action_stats(dl, nla_action_stats); + pr_out_object_end(dl); + } +} + +static void pr_out_reload_data(struct dl *dl, struct nlattr **tb) +{ + struct nlattr *nla_reload_stats, *nla_remote_reload_stats; + struct nlattr *tb_stats[DEVLINK_ATTR_MAX + 1] = {}; + uint8_t reload_failed = 0; + int err; + + if (tb[DEVLINK_ATTR_RELOAD_FAILED]) + reload_failed = mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED]); + + if (reload_failed) { + check_indent_newline(dl); + print_bool(PRINT_ANY, "reload_failed", "reload_failed %s", true); + } + if (!tb[DEVLINK_ATTR_DEV_STATS] || !dl->stats) + return; + err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_DEV_STATS], attr_cb, + tb_stats); + if (err != MNL_CB_OK) + return; + + pr_out_object_start(dl, "stats"); + + nla_reload_stats = tb_stats[DEVLINK_ATTR_RELOAD_STATS]; + if (nla_reload_stats) { + pr_out_object_start(dl, "reload"); + pr_out_reload_stats(dl, nla_reload_stats); + pr_out_object_end(dl); + } + nla_remote_reload_stats = tb_stats[DEVLINK_ATTR_REMOTE_RELOAD_STATS]; + if (nla_remote_reload_stats) { + pr_out_object_start(dl, "remote_reload"); + pr_out_reload_stats(dl, nla_remote_reload_stats); + pr_out_object_end(dl); + } + + pr_out_object_end(dl); +} + +static void pr_out_dev_nested(struct dl *dl, const struct nlmsghdr *nlh) +{ + int i = 0, count = 0; + struct nlattr *attr; + + mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) { + if (mnl_attr_get_type(attr) == DEVLINK_ATTR_NESTED_DEVLINK) + count++; + } + if (!count) + return; + + mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) { + if (mnl_attr_get_type(attr) != DEVLINK_ATTR_NESTED_DEVLINK) + continue; + pr_out_nested_handle_obj(dl, attr, i == 0, i == count - 1); + i++; + } +} + +static void pr_out_dev(struct dl *dl, const struct nlmsghdr *nlh, + struct nlattr **tb) +{ + if ((tb[DEVLINK_ATTR_RELOAD_FAILED] && mnl_attr_get_u8(tb[DEVLINK_ATTR_RELOAD_FAILED])) || + (tb[DEVLINK_ATTR_DEV_STATS] && dl->stats) || + tb[DEVLINK_ATTR_NESTED_DEVLINK]) { + __pr_out_handle_start(dl, tb, true, false); + pr_out_reload_data(dl, tb); + pr_out_dev_nested(dl, nlh); + pr_out_handle_end(dl); + } else { + pr_out_handle(dl, tb); + } +} + +static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) + return MNL_CB_ERROR; + + pr_out_dev(dl, nlh, tb); + return MNL_CB_OK; +} + +static int cmd_dev_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + if (dl_no_arg(dl)) { + flags |= NLM_F_DUMP; + } + else { + err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); + if (err) + return err; + } + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "dev"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static void pr_out_reload_actions_performed(struct dl *dl, struct nlattr **tb) +{ + struct nlattr *nla_actions_performed; + struct nla_bitfield32 *actions; + uint32_t actions_performed; + uint16_t len; + int action; + + if (!tb[DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED]) + return; + + nla_actions_performed = tb[DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED]; + len = mnl_attr_get_payload_len(nla_actions_performed); + if (len != sizeof(*actions)) + return; + actions = mnl_attr_get_payload(nla_actions_performed); + if (!actions) + return; + g_new_line_count = 1; /* Avoid extra new line in non-json print */ + pr_out_array_start(dl, "reload_actions_performed"); + actions_performed = actions->value & actions->selector; + for (action = 0; action <= DEVLINK_RELOAD_ACTION_MAX; action++) { + if (BIT(action) & actions_performed) { + check_indent_newline(dl); + print_string(PRINT_ANY, NULL, "%s", + reload_action_name(action)); + } + } + pr_out_array_end(dl); + if (!dl->json_output) + __pr_out_newline(); +} + +static int cmd_dev_reload_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_RELOAD_ACTIONS_PERFORMED]) + return MNL_CB_ERROR; + + pr_out_section_start(dl, "reload"); + pr_out_reload_actions_performed(dl, tb); + pr_out_section_end(dl); + + return MNL_CB_OK; +} + +static int cmd_dev_reload(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_dev_help(); + return 0; + } + + err = dl_argv_parse(dl, DL_OPT_HANDLE, + DL_OPT_NETNS | DL_OPT_RELOAD_ACTION | + DL_OPT_RELOAD_LIMIT); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RELOAD, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_reload_cb, dl); +} + +static void pr_out_versions_single(struct dl *dl, const struct nlmsghdr *nlh, + const char *name, int type) +{ + struct nlattr *version; + + mnl_attr_for_each(version, nlh, sizeof(struct genlmsghdr)) { + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + const char *ver_value; + const char *ver_name; + int err; + + if (mnl_attr_get_type(version) != type) + continue; + + err = mnl_attr_parse_nested(version, attr_cb, tb); + if (err != MNL_CB_OK) + continue; + + if (!tb[DEVLINK_ATTR_INFO_VERSION_NAME] || + !tb[DEVLINK_ATTR_INFO_VERSION_VALUE]) + continue; + + if (name) { + pr_out_object_start(dl, name); + name = NULL; + } + + ver_name = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_NAME]); + ver_value = mnl_attr_get_str(tb[DEVLINK_ATTR_INFO_VERSION_VALUE]); + + check_indent_newline(dl); + print_string_name_value(ver_name, ver_value); + if (!dl->json_output) + __pr_out_newline(); + } + + if (!name) + pr_out_object_end(dl); +} + +static void pr_out_info(struct dl *dl, const struct nlmsghdr *nlh, + struct nlattr **tb, bool has_versions) +{ + __pr_out_handle_start(dl, tb, true, false); + + __pr_out_indent_inc(); + if (tb[DEVLINK_ATTR_INFO_DRIVER_NAME]) { + struct nlattr *nla_drv = tb[DEVLINK_ATTR_INFO_DRIVER_NAME]; + + if (!dl->json_output) + __pr_out_newline(); + check_indent_newline(dl); + print_string(PRINT_ANY, "driver", "driver %s", + mnl_attr_get_str(nla_drv)); + } + + if (tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]) { + struct nlattr *nla_sn = tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER]; + + if (!dl->json_output) + __pr_out_newline(); + check_indent_newline(dl); + print_string(PRINT_ANY, "serial_number", "serial_number %s", + mnl_attr_get_str(nla_sn)); + } + + if (tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER]) { + struct nlattr *nla_bsn = tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER]; + + if (!dl->json_output) + __pr_out_newline(); + check_indent_newline(dl); + print_string(PRINT_ANY, "board.serial_number", "board.serial_number %s", + mnl_attr_get_str(nla_bsn)); + } + __pr_out_indent_dec(); + + if (has_versions) { + pr_out_object_start(dl, "versions"); + + pr_out_versions_single(dl, nlh, "fixed", + DEVLINK_ATTR_INFO_VERSION_FIXED); + pr_out_versions_single(dl, nlh, "running", + DEVLINK_ATTR_INFO_VERSION_RUNNING); + pr_out_versions_single(dl, nlh, "stored", + DEVLINK_ATTR_INFO_VERSION_STORED); + + pr_out_object_end(dl); + } + + pr_out_handle_end(dl); +} + +static int cmd_versions_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + bool has_versions, has_info; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) + return MNL_CB_ERROR; + + has_versions = tb[DEVLINK_ATTR_INFO_VERSION_FIXED] || + tb[DEVLINK_ATTR_INFO_VERSION_RUNNING] || + tb[DEVLINK_ATTR_INFO_VERSION_STORED]; + has_info = tb[DEVLINK_ATTR_INFO_DRIVER_NAME] || + tb[DEVLINK_ATTR_INFO_SERIAL_NUMBER] || + tb[DEVLINK_ATTR_INFO_BOARD_SERIAL_NUMBER] || + has_versions; + + if (has_info) + pr_out_info(dl, nlh, tb, has_versions); + + return MNL_CB_OK; +} + +static int cmd_dev_info(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + if (dl_argv_match(dl, "help")) { + cmd_dev_help(); + return 0; + } + + if (dl_no_arg(dl)) { + flags |= NLM_F_DUMP; + } + else { + err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); + if (err) + return err; + } + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_INFO_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "info"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_versions_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +struct cmd_dev_flash_status_ctx { + struct dl *dl; + struct timespec time_of_last_status; + uint64_t status_msg_timeout; + size_t elapsed_time_msg_len; + char *last_msg; + char *last_component; + uint8_t not_first:1, + last_pc:1, + received_end:1, + flash_done:1; +}; + +static int nullstrcmp(const char *str1, const char *str2) +{ + if (str1 && str2) + return strcmp(str1, str2); + if (!str1 && !str2) + return 0; + return str1 ? 1 : -1; +} + +static void cmd_dev_flash_clear_elapsed_time(struct cmd_dev_flash_status_ctx *ctx) +{ + int i; + + for (i = 0; i < ctx->elapsed_time_msg_len; i++) + pr_out_tty("\b \b"); + + ctx->elapsed_time_msg_len = 0; +} + +static int cmd_dev_flash_status_cb(const struct nlmsghdr *nlh, void *data) +{ + struct cmd_dev_flash_status_ctx *ctx = data; + struct dl_opts *opts = &ctx->dl->opts; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + const char *component = NULL; + uint64_t done = 0, total = 0; + const char *msg = NULL; + const char *bus_name; + const char *dev_name; + + cmd_dev_flash_clear_elapsed_time(ctx); + + if (genl->cmd != DEVLINK_CMD_FLASH_UPDATE_STATUS && + genl->cmd != DEVLINK_CMD_FLASH_UPDATE_END) + return MNL_CB_STOP; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) + return MNL_CB_STOP; + bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + if (strcmp(bus_name, opts->bus_name) || + strcmp(dev_name, opts->dev_name)) + return MNL_CB_STOP; + + if (genl->cmd == DEVLINK_CMD_FLASH_UPDATE_END) { + pr_out("\n"); + free(ctx->last_msg); + free(ctx->last_component); + ctx->received_end = 1; + return MNL_CB_STOP; + } + + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) + msg = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]); + if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) + component = mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]); + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]) + done = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]); + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]) + total = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]); + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TIMEOUT]) + ctx->status_msg_timeout = mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TIMEOUT]); + else + ctx->status_msg_timeout = 0; + + if (!nullstrcmp(msg, ctx->last_msg) && + !nullstrcmp(component, ctx->last_component) && + ctx->last_pc && ctx->not_first) { + pr_out_tty("\b\b\b\b\b"); /* clean percentage */ + } else { + /* only update the last status timestamp if the message changed */ + clock_gettime(CLOCK_MONOTONIC, &ctx->time_of_last_status); + + if (ctx->not_first) + pr_out("\n"); + if (component) { + pr_out("[%s] ", component); + free(ctx->last_component); + ctx->last_component = strdup(component); + } + if (msg) { + pr_out("%s", msg); + free(ctx->last_msg); + ctx->last_msg = strdup(msg); + } + } + if (total) { + pr_out_tty(" %3"PRIu64"%%", (done * 100) / total); + ctx->last_pc = 1; + } else { + ctx->last_pc = 0; + } + fflush(stdout); + ctx->not_first = 1; + + return MNL_CB_STOP; +} + +static void cmd_dev_flash_time_elapsed(struct cmd_dev_flash_status_ctx *ctx) +{ + struct timespec now, res; + + clock_gettime(CLOCK_MONOTONIC, &now); + + res.tv_sec = now.tv_sec - ctx->time_of_last_status.tv_sec; + res.tv_nsec = now.tv_nsec - ctx->time_of_last_status.tv_nsec; + if (res.tv_nsec < 0) { + res.tv_sec--; + res.tv_nsec += 1000000000L; + } + + /* Only begin displaying an elapsed time message if we've waited a few + * seconds with no response, or the status message included a timeout + * value. + */ + if (res.tv_sec > 2 || ctx->status_msg_timeout) { + uint64_t elapsed_m, elapsed_s; + char msg[128]; + size_t len; + + /* clear the last elapsed time message, if we have one */ + cmd_dev_flash_clear_elapsed_time(ctx); + + elapsed_m = res.tv_sec / 60; + elapsed_s = res.tv_sec % 60; + + /** + * If we've elapsed a few seconds without receiving any status + * notification from the device, we display a time elapsed + * message. This has a few possible formats: + * + * 1) just time elapsed, when no timeout was provided + * " ( Xm Ys )" + * 2) time elapsed out of a timeout that came from the device + * driver via DEVLINK_CMD_FLASH_UPDATE_STATUS_TIMEOUT + * " ( Xm Ys : Am Ys)" + * 3) time elapsed if we still receive no status after + * reaching the provided timeout. + * " ( Xm Ys : timeout reached )" + */ + if (!ctx->status_msg_timeout) { + len = snprintf(msg, sizeof(msg), + " ( %"PRIu64"m %"PRIu64"s )", elapsed_m, elapsed_s); + } else if (res.tv_sec <= ctx->status_msg_timeout) { + uint64_t timeout_m, timeout_s; + + timeout_m = ctx->status_msg_timeout / 60; + timeout_s = ctx->status_msg_timeout % 60; + + len = snprintf(msg, sizeof(msg), + " ( %"PRIu64"m %"PRIu64"s : %"PRIu64"m %"PRIu64"s )", + elapsed_m, elapsed_s, timeout_m, timeout_s); + } else { + len = snprintf(msg, sizeof(msg), + " ( %"PRIu64"m %"PRIu64"s : timeout reached )", elapsed_m, elapsed_s); + } + + ctx->elapsed_time_msg_len = len; + + pr_out_tty("%s", msg); + fflush(stdout); + } +} + +static int cmd_dev_flash_fds_process(struct cmd_dev_flash_status_ctx *ctx, + struct mnlu_gen_socket *nlg_ntf, + int pipe_r) +{ + int nlfd = mnlg_socket_get_fd(nlg_ntf); + struct timeval timeout; + fd_set fds[3]; + int fdmax; + int i; + int err; + int err2; + + for (i = 0; i < 3; i++) + FD_ZERO(&fds[i]); + FD_SET(pipe_r, &fds[0]); + fdmax = pipe_r + 1; + FD_SET(nlfd, &fds[0]); + if (nlfd >= fdmax) + fdmax = nlfd + 1; + + /* select only for a short while (1/10th of a second) in order to + * allow periodically updating the screen with an elapsed time + * indicator. + */ + timeout.tv_sec = 0; + timeout.tv_usec = 100000; + + while (select(fdmax, &fds[0], &fds[1], &fds[2], &timeout) < 0) { + if (errno == EINTR) + continue; + pr_err("select() failed\n"); + return -errno; + } + if (FD_ISSET(nlfd, &fds[0])) { + err = mnlu_gen_socket_recv_run(nlg_ntf, + cmd_dev_flash_status_cb, ctx); + if (err) + return err; + } + if (FD_ISSET(pipe_r, &fds[0])) { + err = read(pipe_r, &err2, sizeof(err2)); + if (err == -1) { + pr_err("Failed to read pipe\n"); + return -errno; + } + if (err2) + return err2; + ctx->flash_done = 1; + } + cmd_dev_flash_time_elapsed(ctx); + return 0; +} + + +static int cmd_dev_flash(struct dl *dl) +{ + struct cmd_dev_flash_status_ctx ctx = {.dl = dl,}; + struct mnlu_gen_socket nlg_ntf; + struct nlmsghdr *nlh; + int pipe_r, pipe_w; + int pipe_fds[2]; + pid_t pid; + int err; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_dev_help(); + return 0; + } + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_FLASH_FILE_NAME, + DL_OPT_FLASH_COMPONENT | DL_OPT_FLASH_OVERWRITE); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_FLASH_UPDATE, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + err = mnlu_gen_socket_open(&nlg_ntf, DEVLINK_GENL_NAME, + DEVLINK_GENL_VERSION); + if (err) + return err; + + err = _mnlg_socket_group_add(&nlg_ntf, DEVLINK_GENL_MCGRP_CONFIG_NAME); + if (err) + goto err_socket; + + err = pipe(pipe_fds); + if (err == -1) { + err = -errno; + goto err_socket; + } + pipe_r = pipe_fds[0]; + pipe_w = pipe_fds[1]; + + pid = fork(); + if (pid == -1) { + close(pipe_w); + err = -errno; + goto out; + } else if (!pid) { + /* In child, just execute the flash and pass returned + * value through pipe once it is done. + */ + int cc; + + close(pipe_r); + err = _mnlg_socket_send(&dl->nlg, nlh); + cc = write(pipe_w, &err, sizeof(err)); + close(pipe_w); + exit(cc != sizeof(err)); + } + close(pipe_w); + + /* initialize starting time to allow comparison for when to begin + * displaying a time elapsed message. + */ + clock_gettime(CLOCK_MONOTONIC, &ctx.time_of_last_status); + + do { + err = cmd_dev_flash_fds_process(&ctx, &nlg_ntf, pipe_r); + if (err) + goto out; + } while (!ctx.flash_done || (ctx.not_first && !ctx.received_end)); + + err = mnlu_gen_socket_recv_run(&dl->nlg, NULL, NULL); + +out: + close(pipe_r); +err_socket: + mnlu_gen_socket_close(&nlg_ntf); + return err; +} + +static const char *devlink_get_selftest_name(int id) +{ + switch (id) { + case DEVLINK_ATTR_SELFTEST_ID_FLASH: + return "flash"; + default: + return "unknown"; + } +} + +static const enum mnl_attr_data_type +devlink_selftest_id_policy[DEVLINK_ATTR_SELFTEST_ID_MAX + 1] = { + [DEVLINK_ATTR_SELFTEST_ID_FLASH] = MNL_TYPE_FLAG, +}; + +static int selftests_attr_cb(const struct nlattr *attr, void *data) +{ + const struct nlattr **tb = data; + int type; + + if (mnl_attr_type_valid(attr, DEVLINK_ATTR_SELFTEST_ID_MAX) < 0) + return MNL_CB_OK; + + type = mnl_attr_get_type(attr); + if (mnl_attr_validate(attr, devlink_selftest_id_policy[type]) < 0) + return MNL_CB_ERROR; + + tb[type] = attr; + return MNL_CB_OK; +} + +static int cmd_dev_selftests_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *selftests[DEVLINK_ATTR_SELFTEST_ID_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + int avail = 0; + int err; + int i; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_SELFTESTS]) + return MNL_CB_ERROR; + + err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_SELFTESTS], + selftests_attr_cb, selftests); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + for (i = DEVLINK_ATTR_SELFTEST_ID_UNSPEC + 1; + i <= DEVLINK_ATTR_SELFTEST_ID_MAX; i++) { + if (!(selftests[i])) + continue; + + if (!avail) { + pr_out_selftests_handle_start(dl, tb); + avail = 1; + } + + check_indent_newline(dl); + print_string(PRINT_ANY, NULL, "%s", devlink_get_selftest_name(i)); + } + + if (avail) { + pr_out_selftests_handle_end(dl); + } + + return MNL_CB_OK; +} + +static const char *devlink_selftest_status_to_str(uint8_t status) +{ + switch (status) { + case DEVLINK_SELFTEST_STATUS_SKIP: + return "skipped"; + case DEVLINK_SELFTEST_STATUS_PASS: + return "passed"; + case DEVLINK_SELFTEST_STATUS_FAIL: + return "failed"; + default: + return "unknown"; + } +} + +static const enum mnl_attr_data_type +devlink_selftests_result_policy[DEVLINK_ATTR_SELFTEST_RESULT_MAX + 1] = { + [DEVLINK_ATTR_SELFTEST_RESULT] = MNL_TYPE_NESTED, + [DEVLINK_ATTR_SELFTEST_RESULT_ID] = MNL_TYPE_U32, + [DEVLINK_ATTR_SELFTEST_RESULT_STATUS] = MNL_TYPE_U8, +}; + +static int selftests_result_attr_cb(const struct nlattr *attr, void *data) +{ + const struct nlattr **tb = data; + int type; + + if (mnl_attr_type_valid(attr, DEVLINK_ATTR_SELFTEST_RESULT_MAX) < 0) + return MNL_CB_OK; + + type = mnl_attr_get_type(attr); + if (mnl_attr_validate(attr, devlink_selftests_result_policy[type]) < 0) + return MNL_CB_ERROR; + + tb[type] = attr; + return MNL_CB_OK; +} + +static int cmd_dev_selftests_run_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *selftest; + struct dl *dl = data; + int avail = 0; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_SELFTESTS]) + return MNL_CB_ERROR; + + mnl_attr_for_each_nested(selftest, tb[DEVLINK_ATTR_SELFTESTS]) { + struct nlattr *result[DEVLINK_ATTR_SELFTEST_RESULT_MAX + 1] = {}; + uint8_t status; + int err; + int id; + + err = mnl_attr_parse_nested(selftest, + selftests_result_attr_cb, result); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + if (!result[DEVLINK_ATTR_SELFTEST_RESULT_ID] || + !result[DEVLINK_ATTR_SELFTEST_RESULT_STATUS]) + return MNL_CB_ERROR; + + if (!avail) { + pr_out_section_start(dl, "selftests"); + __pr_out_handle_start(dl, tb, true, false); + __pr_out_indent_inc(); + avail = 1; + if (!dl->json_output) + __pr_out_newline(); + } + + id = mnl_attr_get_u32(result[DEVLINK_ATTR_SELFTEST_RESULT_ID]); + status = mnl_attr_get_u8(result[DEVLINK_ATTR_SELFTEST_RESULT_STATUS]); + + pr_out_object_start(dl, devlink_get_selftest_name(id)); + check_indent_newline(dl); + print_string_name_value("status", + devlink_selftest_status_to_str(status)); + pr_out_object_end(dl); + if (!dl->json_output) + __pr_out_newline(); + } + + if (avail) { + __pr_out_indent_dec(); + pr_out_handle_end(dl); + pr_out_section_end(dl); + } + + return MNL_CB_OK; +} + +static int cmd_dev_selftests_run(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_SELFTESTS); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SELFTESTS_RUN, flags); + + dl_opts_put(nlh, dl); + + if (!(dl->opts.present & DL_OPT_SELFTESTS)) + dl_selftests_put(nlh, &dl->opts); + + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_selftests_run_cb, dl); + return err; +} + +static int cmd_dev_selftests_show(struct dl *dl) +{ + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlmsghdr *nlh; + int err; + + if (dl_argc(dl) == 0) { + flags |= NLM_F_DUMP; + } else { + err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); + if (err) + return err; + } + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SELFTESTS_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "selftests"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dev_selftests_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_dev_selftests(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_dev_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_dev_selftests_show(dl); + } else if (dl_argv_match(dl, "run")) { + dl_arg_inc(dl); + return cmd_dev_selftests_run(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_dev(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_dev_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_dev_show(dl); + } else if (dl_argv_match(dl, "eswitch")) { + dl_arg_inc(dl); + return cmd_dev_eswitch(dl); + } else if (dl_argv_match(dl, "reload")) { + dl_arg_inc(dl); + return cmd_dev_reload(dl); + } else if (dl_argv_match(dl, "param")) { + dl_arg_inc(dl); + return cmd_dev_param(dl); + } else if (dl_argv_match(dl, "info")) { + dl_arg_inc(dl); + return cmd_dev_info(dl); + } else if (dl_argv_match(dl, "flash")) { + dl_arg_inc(dl); + return cmd_dev_flash(dl); + } else if (dl_argv_match(dl, "selftests")) { + dl_arg_inc(dl); + return cmd_dev_selftests(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void cmd_port_help(void) +{ + pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n"); + pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n"); + pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n"); + pr_err(" devlink port unsplit DEV/PORT_INDEX\n"); + pr_err(" devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ] [ state { active | inactive } ]\n"); + pr_err(" [ roce { enable | disable } ] [ migratable { enable | disable } ]\n"); + pr_err(" [ ipsec_crypto { enable | disable } ] [ ipsec_packet { enable | disable } ]\n"); + pr_err(" devlink port function rate { help | show | add | del | set }\n"); + pr_err(" devlink port param set DEV/PORT_INDEX name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n"); + pr_err(" devlink port param show [DEV/PORT_INDEX name PARAMETER]\n"); + pr_err(" devlink port health show [ DEV/PORT_INDEX reporter REPORTER_NAME ]\n"); + pr_err(" devlink port add DEV/PORT_INDEX flavour FLAVOUR pfnum PFNUM\n" + " [ sfnum SFNUM ][ controller CNUM ]\n"); + pr_err(" devlink port del DEV/PORT_INDEX\n"); +} + +static const char *port_type_name(uint32_t type) +{ + switch (type) { + case DEVLINK_PORT_TYPE_NOTSET: return "notset"; + case DEVLINK_PORT_TYPE_AUTO: return "auto"; + case DEVLINK_PORT_TYPE_ETH: return "eth"; + case DEVLINK_PORT_TYPE_IB: return "ib"; + default: return "<unknown type>"; + } +} + +static const char *port_flavour_name(uint16_t flavour) +{ + const char *str; + + str = str_map_lookup_u16(port_flavour_map, flavour); + return str ? str : "<unknown flavour>"; +} + +static void pr_out_port_pfvfsf_num(struct dl *dl, struct nlattr **tb) +{ + uint16_t fn_num; + + if (tb[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER]) + print_uint(PRINT_ANY, "controller", " controller %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_CONTROLLER_NUMBER])); + if (tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]) { + fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_PF_NUMBER]); + print_uint(PRINT_ANY, "pfnum", " pfnum %u", fn_num); + } + if (tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]) { + fn_num = mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_PCI_VF_NUMBER]); + print_uint(PRINT_ANY, "vfnum", " vfnum %u", fn_num); + } + if (tb[DEVLINK_ATTR_PORT_PCI_SF_NUMBER]) { + fn_num = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_PCI_SF_NUMBER]); + print_uint(PRINT_ANY, "sfnum", " sfnum %u", fn_num); + } + if (tb[DEVLINK_ATTR_PORT_EXTERNAL]) { + uint8_t external; + + external = mnl_attr_get_u8(tb[DEVLINK_ATTR_PORT_EXTERNAL]); + print_bool(PRINT_ANY, "external", " external %s", external); + } +} + +static const char *port_fn_state(uint8_t state) +{ + const char *str; + + str = str_map_lookup_u8(port_fn_state_map, state); + return str ? str : "<unknown state>"; +} + +static const char *port_fn_opstate(uint8_t state) +{ + const char *str; + + str = str_map_lookup_u8(port_fn_opstate_map, state); + return str ? str : "<unknown state>"; +} + +static void pr_out_port_function(struct dl *dl, struct nlattr **tb_port) +{ + struct nlattr *tb[DEVLINK_PORT_FUNCTION_ATTR_MAX + 1] = {}; + unsigned char *data; + SPRINT_BUF(hw_addr); + uint32_t len; + int err; + + if (!tb_port[DEVLINK_ATTR_PORT_FUNCTION]) + return; + + err = mnl_attr_parse_nested(tb_port[DEVLINK_ATTR_PORT_FUNCTION], + function_attr_cb, tb); + if (err != MNL_CB_OK) + return; + + pr_out_object_start(dl, "function"); + check_indent_newline(dl); + + if (tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]) { + len = mnl_attr_get_payload_len(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); + data = mnl_attr_get_payload(tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR]); + + print_string(PRINT_ANY, "hw_addr", "hw_addr %s", + ll_addr_n2a(data, len, 0, hw_addr, sizeof(hw_addr))); + } + if (tb[DEVLINK_PORT_FN_ATTR_STATE]) { + uint8_t state; + + state = mnl_attr_get_u8(tb[DEVLINK_PORT_FN_ATTR_STATE]); + + print_string(PRINT_ANY, "state", " state %s", + port_fn_state(state)); + } + if (tb[DEVLINK_PORT_FN_ATTR_OPSTATE]) { + uint8_t state; + + state = mnl_attr_get_u8(tb[DEVLINK_PORT_FN_ATTR_OPSTATE]); + + print_string(PRINT_ANY, "opstate", " opstate %s", + port_fn_opstate(state)); + } + if (tb[DEVLINK_PORT_FN_ATTR_CAPS]) { + struct nla_bitfield32 *port_fn_caps = + mnl_attr_get_payload(tb[DEVLINK_PORT_FN_ATTR_CAPS]); + + if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_ROCE) + print_string(PRINT_ANY, "roce", " roce %s", + port_fn_caps->value & DEVLINK_PORT_FN_CAP_ROCE ? + "enable" : "disable"); + if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_MIGRATABLE) + print_string(PRINT_ANY, "migratable", " migratable %s", + port_fn_caps->value & DEVLINK_PORT_FN_CAP_MIGRATABLE ? + "enable" : "disable"); + if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO) + print_string(PRINT_ANY, "ipsec_crypto", " ipsec_crypto %s", + port_fn_caps->value & DEVLINK_PORT_FN_CAP_IPSEC_CRYPTO ? + "enable" : "disable"); + if (port_fn_caps->selector & DEVLINK_PORT_FN_CAP_IPSEC_PACKET) + print_string(PRINT_ANY, "ipsec_packet", " ipsec_packet %s", + port_fn_caps->value & DEVLINK_PORT_FN_CAP_IPSEC_PACKET ? + "enable" : "disable"); + } + if (tb[DEVLINK_PORT_FN_ATTR_DEVLINK]) + pr_out_nested_handle_obj(dl, tb[DEVLINK_PORT_FN_ATTR_DEVLINK], + true, true); + + if (!dl->json_output) + __pr_out_indent_dec(); + pr_out_object_end(dl); +} + +static void pr_out_port(struct dl *dl, struct nlattr **tb) +{ + struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE]; + struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE]; + + pr_out_port_handle_start(dl, tb, false); + check_indent_newline(dl); + if (pt_attr) { + uint16_t port_type = mnl_attr_get_u16(pt_attr); + + print_string(PRINT_ANY, "type", "type %s", + port_type_name(port_type)); + if (dpt_attr) { + uint16_t des_port_type = mnl_attr_get_u16(dpt_attr); + + if (port_type != des_port_type) + print_string(PRINT_ANY, "des_type", " des_type %s", + port_type_name(des_port_type)); + } + } + if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) { + print_string(PRINT_ANY, "netdev", " netdev %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME])); + } + if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME]) { + print_string(PRINT_ANY, "ibdev", " ibdev %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME])); + } + if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) { + uint16_t port_flavour = + mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]); + + print_string(PRINT_ANY, "flavour", " flavour %s", + port_flavour_name(port_flavour)); + + switch (port_flavour) { + case DEVLINK_PORT_FLAVOUR_PCI_PF: + case DEVLINK_PORT_FLAVOUR_PCI_VF: + case DEVLINK_PORT_FLAVOUR_PCI_SF: + pr_out_port_pfvfsf_num(dl, tb); + break; + default: + break; + } + } + if (tb[DEVLINK_ATTR_LINECARD_INDEX]) + print_uint(PRINT_ANY, "lc", " lc %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_LINECARD_INDEX])); + if (tb[DEVLINK_ATTR_PORT_NUMBER]) { + uint32_t port_number; + + port_number = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_NUMBER]); + print_uint(PRINT_ANY, "port", " port %u", port_number); + } + if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]) + print_uint(PRINT_ANY, "split_group", " split_group %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])); + if (tb[DEVLINK_ATTR_PORT_SPLITTABLE]) + print_bool(PRINT_ANY, "splittable", " splittable %s", + mnl_attr_get_u8(tb[DEVLINK_ATTR_PORT_SPLITTABLE])); + if (tb[DEVLINK_ATTR_PORT_LANES]) + print_uint(PRINT_ANY, "lanes", " lanes %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_LANES])); + + pr_out_port_function(dl, tb); + pr_out_port_handle_end(dl); +} + +static int cmd_port_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX]) + return MNL_CB_ERROR; + pr_out_port(dl, tb); + return MNL_CB_OK; +} + +static int cmd_port_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_PORT_GET, + DL_OPT_HANDLEP, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "port"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_port_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port_split(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_SPLIT, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port_unsplit(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_UNSPLIT, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port_param_show(struct dl *dl) +{ + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, + DEVLINK_CMD_PORT_PARAM_GET, + DL_OPT_HANDLE | DL_OPT_PARAM_NAME, 0, + DL_OPT_HANDLE | DL_OPT_HANDLEP, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_GET, + flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "param"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_param_show_cb, dl); + pr_out_section_end(dl); + + return err; +} + +static void cmd_port_function_help(void) +{ + pr_err("Usage: devlink port function set DEV/PORT_INDEX [ hw_addr ADDR ] [ state { active | inactive } ]\n"); + pr_err(" [ roce { enable | disable } ] [ migratable { enable | disable } ]\n"); + pr_err(" [ ipsec_crypto { enable | disable } ] [ ipsec_packet { enable | disable } ]\n"); + pr_err(" devlink port function rate { help | show | add | del | set }\n"); +} + +static int cmd_port_function_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + if (dl_no_arg(dl)) { + cmd_port_function_help(); + return 0; + } + err = dl_argv_parse(dl, DL_OPT_HANDLEP, + DL_OPT_PORT_FUNCTION_HW_ADDR | DL_OPT_PORT_FUNCTION_STATE | + DL_OPT_PORT_FN_CAPS); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port_param_set_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *param_value_attr; + enum devlink_param_cmode cmode; + struct param_ctx *ctx = data; + struct dl *dl = ctx->dl; + int nla_type; + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_PARAM]) + return MNL_CB_ERROR; + + err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] || + !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) + return MNL_CB_ERROR; + + nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]); + mnl_attr_for_each_nested(param_value_attr, + nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) { + struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *val_attr; + + err = mnl_attr_parse_nested(param_value_attr, + attr_cb, nla_value); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] || + (nla_type != MNL_TYPE_FLAG && + !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA])) + return MNL_CB_ERROR; + + cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]); + if (cmode == dl->opts.cmode) { + val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]; + switch (nla_type) { + case MNL_TYPE_U8: + ctx->value.vu8 = mnl_attr_get_u8(val_attr); + break; + case MNL_TYPE_U16: + ctx->value.vu16 = mnl_attr_get_u16(val_attr); + break; + case MNL_TYPE_U32: + ctx->value.vu32 = mnl_attr_get_u32(val_attr); + break; + case MNL_TYPE_STRING: + ctx->value.vstr = mnl_attr_get_str(val_attr); + break; + case MNL_TYPE_FLAG: + ctx->value.vbool = val_attr ? true : false; + break; + } + break; + } + } + ctx->nla_type = nla_type; + return MNL_CB_OK; +} + +static int cmd_port_param_set(struct dl *dl) +{ + struct param_ctx ctx = {}; + struct nlmsghdr *nlh; + bool conv_exists; + uint32_t val_u32 = 0; + uint16_t val_u16; + uint8_t val_u8; + bool val_bool; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP | + DL_OPT_PARAM_NAME | + DL_OPT_PARAM_VALUE | + DL_OPT_PARAM_CMODE, 0); + if (err) + return err; + + /* Get value type */ + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_GET, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + + ctx.dl = dl; + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_param_set_cb, &ctx); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_PARAM_SET, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + + conv_exists = param_val_conv_exists(param_val_conv, PARAM_VAL_CONV_LEN, + dl->opts.param_name); + + mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type); + switch (ctx.nla_type) { + case MNL_TYPE_U8: + if (conv_exists) { + err = param_val_conv_uint_get(param_val_conv, + PARAM_VAL_CONV_LEN, + dl->opts.param_name, + dl->opts.param_value, + &val_u32); + val_u8 = val_u32; + } else { + err = get_u8(&val_u8, dl->opts.param_value, 10); + } + if (err) + goto err_param_value_parse; + if (val_u8 == ctx.value.vu8) + return 0; + mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8); + break; + case MNL_TYPE_U16: + if (conv_exists) { + err = param_val_conv_uint_get(param_val_conv, + PARAM_VAL_CONV_LEN, + dl->opts.param_name, + dl->opts.param_value, + &val_u32); + val_u16 = val_u32; + } else { + err = get_u16(&val_u16, dl->opts.param_value, 10); + } + if (err) + goto err_param_value_parse; + if (val_u16 == ctx.value.vu16) + return 0; + mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16); + break; + case MNL_TYPE_U32: + if (conv_exists) + err = param_val_conv_uint_get(param_val_conv, + PARAM_VAL_CONV_LEN, + dl->opts.param_name, + dl->opts.param_value, + &val_u32); + else + err = get_u32(&val_u32, dl->opts.param_value, 10); + if (err) + goto err_param_value_parse; + if (val_u32 == ctx.value.vu32) + return 0; + mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32); + break; + case MNL_TYPE_FLAG: + err = strtobool(dl->opts.param_value, &val_bool); + if (err) + goto err_param_value_parse; + if (val_bool == ctx.value.vbool) + return 0; + if (val_bool) + mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, + 0, NULL); + break; + case MNL_TYPE_STRING: + mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, + dl->opts.param_value); + if (!strcmp(dl->opts.param_value, ctx.value.vstr)) + return 0; + break; + default: + printf("Value type not supported\n"); + return -ENOTSUP; + } + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); + +err_param_value_parse: + pr_err("Value \"%s\" is not a number or not within range\n", + dl->opts.param_value); + return err; +} + +static int cmd_port_param(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_port_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_port_param_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_port_param_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void +pr_out_port_rate_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice) +{ + const char *bus_name; + const char *dev_name; + const char *node_name; + static char buf[64]; + + bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + node_name = mnl_attr_get_str(tb[DEVLINK_ATTR_RATE_NODE_NAME]); + snprintf(buf, sizeof(buf), "%s/%s/%s", bus_name, dev_name, node_name); + if (dl->json_output) + open_json_object(buf); + else + pr_out("%s:", buf); +} + +static char *port_rate_type_name(uint16_t type) +{ + switch (type) { + case DEVLINK_RATE_TYPE_LEAF: + return "leaf"; + case DEVLINK_RATE_TYPE_NODE: + return "node"; + default: + return "<unknown type>"; + } +} + +static void pr_out_port_fn_rate(struct dl *dl, struct nlattr **tb) +{ + + if (!tb[DEVLINK_ATTR_RATE_NODE_NAME]) + pr_out_port_handle_start(dl, tb, false); + else + pr_out_port_rate_handle_start(dl, tb, false); + check_indent_newline(dl); + + if (tb[DEVLINK_ATTR_RATE_TYPE]) { + uint16_t type = + mnl_attr_get_u16(tb[DEVLINK_ATTR_RATE_TYPE]); + + print_string(PRINT_ANY, "type", "type %s", + port_rate_type_name(type)); + } + if (tb[DEVLINK_ATTR_RATE_TX_SHARE]) { + uint64_t rate = + mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_SHARE]); + + if (rate) + print_rate(dl->use_iec, PRINT_ANY, "tx_share", + " tx_share %s", rate); + } + if (tb[DEVLINK_ATTR_RATE_TX_MAX]) { + uint64_t rate = + mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_MAX]); + + if (rate) + print_rate(dl->use_iec, PRINT_ANY, "tx_max", + " tx_max %s", rate); + } + if (tb[DEVLINK_ATTR_RATE_TX_PRIORITY]) { + uint32_t priority = + mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_PRIORITY]); + if (priority) + print_uint(PRINT_ANY, "tx_priority", + " tx_priority %u", priority); + } + if (tb[DEVLINK_ATTR_RATE_TX_WEIGHT]) { + uint32_t weight = + mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_WEIGHT]); + if (weight) + print_uint(PRINT_ANY, "tx_weight", + " tx_weight %u", weight); + } + if (tb[DEVLINK_ATTR_RATE_PARENT_NODE_NAME]) { + const char *parent = + mnl_attr_get_str(tb[DEVLINK_ATTR_RATE_PARENT_NODE_NAME]); + + print_string(PRINT_ANY, "parent", " parent %s", parent); + } + + pr_out_port_handle_end(dl); +} + +static int cmd_port_fn_rate_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if ((!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX]) && + !tb[DEVLINK_ATTR_RATE_NODE_NAME]) { + return MNL_CB_ERROR; + } + pr_out_port_fn_rate(dl, tb); + return MNL_CB_OK; +} + +static void cmd_port_fn_rate_help(void) +{ + pr_err("Usage: devlink port function rate help\n"); + pr_err(" devlink port function rate show [ DEV/{ PORT_INDEX | NODE_NAME } ]\n"); + pr_err(" devlink port function rate add DEV/NODE_NAME\n"); + pr_err(" [ tx_share VAL ][ tx_max VAL ][ tx_priority N ][ tx_weight N ][ { parent NODE_NAME | noparent } ]\n"); + pr_err(" devlink port function rate del DEV/NODE_NAME\n"); + pr_err(" devlink port function rate set DEV/{ PORT_INDEX | NODE_NAME }\n"); + pr_err(" [ tx_share VAL ][ tx_max VAL ][ tx_priority N ][ tx_weight N ][ { parent NODE_NAME | noparent } ]\n\n"); + pr_err(" VAL - float or integer value in units of bits or bytes per second (bit|bps)\n"); + pr_err(" N - integer representing priority/weight of the node among siblings\n"); + pr_err(" and SI (k-, m-, g-, t-) or IEC (ki-, mi-, gi-, ti-) case-insensitive prefix.\n"); + pr_err(" Bare number, means bits per second, is possible.\n\n"); + pr_err(" For details refer to devlink-rate(8) man page.\n"); +} + +static int cmd_port_fn_rate_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_RATE_GET, + DL_OPT_HANDLEP | DL_OPT_PORT_FN_RATE_NODE_NAME, + 0, DL_OPT_HANDLE, 0); + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "rate"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_fn_rate_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int port_fn_check_tx_rates(uint64_t min_rate, uint64_t max_rate) +{ + if (max_rate && min_rate > max_rate) { + pr_err("Invalid. Expected tx_share <= tx_max or tx_share == 0.\n"); + return -EINVAL; + } + return 0; +} + +static int port_fn_get_and_check_tx_rates(struct dl_opts *reply, + struct dl_opts *request) +{ + uint64_t min = reply->rate_tx_share; + uint64_t max = reply->rate_tx_max; + + if (request->present & DL_OPT_PORT_FN_RATE_TX_SHARE) + return port_fn_check_tx_rates(request->rate_tx_share, max); + return port_fn_check_tx_rates(min, request->rate_tx_max); +} + +static int cmd_port_fn_rate_add(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_PORT_FN_RATE_NODE_NAME, + DL_OPT_PORT_FN_RATE_TX_SHARE | DL_OPT_PORT_FN_RATE_TX_MAX | + DL_OPT_PORT_FN_RATE_TX_PRIORITY | + DL_OPT_PORT_FN_RATE_TX_WEIGHT | + DL_OPT_PORT_FN_RATE_PARENT); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_NEW, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + + if ((dl->opts.present & DL_OPT_PORT_FN_RATE_TX_SHARE) && + (dl->opts.present & DL_OPT_PORT_FN_RATE_TX_MAX)) { + err = port_fn_check_tx_rates(dl->opts.rate_tx_share, + dl->opts.rate_tx_max); + if (err) + return err; + } + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port_fn_rate_del(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_PORT_FN_RATE_NODE_NAME, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_DEL, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int port_fn_get_rates_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl_opts *opts = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if ((!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX]) && + !tb[DEVLINK_ATTR_RATE_NODE_NAME]) { + return MNL_CB_ERROR; + } + + if (tb[DEVLINK_ATTR_RATE_TX_SHARE]) + opts->rate_tx_share = + mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_SHARE]); + if (tb[DEVLINK_ATTR_RATE_TX_MAX]) + opts->rate_tx_max = + mnl_attr_get_u64(tb[DEVLINK_ATTR_RATE_TX_MAX]); + if (tb[DEVLINK_ATTR_RATE_TX_PRIORITY]) + opts->rate_tx_priority = + mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_PRIORITY]); + if (tb[DEVLINK_ATTR_RATE_TX_WEIGHT]) + opts->rate_tx_weight = + mnl_attr_get_u32(tb[DEVLINK_ATTR_RATE_TX_WEIGHT]); + return MNL_CB_OK; +} + +static int cmd_port_fn_rate_set(struct dl *dl) +{ + struct dl_opts tmp_opts = {0}; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP | + DL_OPT_PORT_FN_RATE_NODE_NAME, + DL_OPT_PORT_FN_RATE_TX_SHARE | + DL_OPT_PORT_FN_RATE_TX_MAX | + DL_OPT_PORT_FN_RATE_TX_PRIORITY | + DL_OPT_PORT_FN_RATE_TX_WEIGHT | + DL_OPT_PORT_FN_RATE_PARENT); + if (err) + return err; + + if ((dl->opts.present & DL_OPT_PORT_FN_RATE_TX_SHARE) && + (dl->opts.present & DL_OPT_PORT_FN_RATE_TX_MAX)) { + err = port_fn_check_tx_rates(dl->opts.rate_tx_share, + dl->opts.rate_tx_max); + if (err) + return err; + } else if (dl->opts.present & + (DL_OPT_PORT_FN_RATE_TX_SHARE | DL_OPT_PORT_FN_RATE_TX_MAX)) { + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_GET, + NLM_F_REQUEST | NLM_F_ACK); + tmp_opts = dl->opts; + dl->opts.present &= ~(DL_OPT_PORT_FN_RATE_TX_SHARE | + DL_OPT_PORT_FN_RATE_TX_MAX | + DL_OPT_PORT_FN_RATE_PARENT); + dl_opts_put(nlh, dl); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, port_fn_get_rates_cb, + &dl->opts); + if (err) + return err; + err = port_fn_get_and_check_tx_rates(&dl->opts, &tmp_opts); + if (err) + return err; + dl->opts = tmp_opts; + } + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RATE_SET, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port_function_rate(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_port_fn_rate_help(); + return 0; + } else if (dl_argv_match(dl, "show") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_port_fn_rate_show(dl); + } else if (dl_argv_match(dl, "add")) { + dl_arg_inc(dl); + return cmd_port_fn_rate_add(dl); + } else if (dl_argv_match(dl, "del")) { + dl_arg_inc(dl); + return cmd_port_fn_rate_del(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_port_fn_rate_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_port_function(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_port_function_help(); + return 0; + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_port_function_set(dl); + } else if (dl_argv_match(dl, "rate")) { + dl_arg_inc(dl); + return cmd_port_function_rate(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_health(struct dl *dl); +static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port); + +static void cmd_port_add_help(void) +{ + pr_err(" devlink port add DEV/PORT_INDEX flavour FLAVOUR pfnum PFNUM\n" + " [ sfnum SFNUM ][ controller CNUM ]\n"); +} + +static int cmd_port_add(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_port_add_help(); + return 0; + } + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | + DL_OPT_PORT_FLAVOUR | DL_OPT_PORT_PFNUMBER, + DL_OPT_PORT_SFNUMBER | DL_OPT_PORT_CONTROLLER); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_NEW, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_port_show_cb, dl); +} + +static void cmd_port_del_help(void) +{ + pr_err(" devlink port del DEV/PORT_INDEX\n"); +} + +static int cmd_port_del(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_port_del_help(); + return 0; + } + + err = dl_argv_parse(dl, DL_OPT_HANDLEP, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_PORT_DEL, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_port(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_port_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_port_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_port_set(dl); + } else if (dl_argv_match(dl, "split")) { + dl_arg_inc(dl); + return cmd_port_split(dl); + } else if (dl_argv_match(dl, "unsplit")) { + dl_arg_inc(dl); + return cmd_port_unsplit(dl); + } else if (dl_argv_match(dl, "param")) { + dl_arg_inc(dl); + return cmd_port_param(dl); + } else if (dl_argv_match(dl, "function")) { + dl_arg_inc(dl); + return cmd_port_function(dl); + } else if (dl_argv_match(dl, "health")) { + dl_arg_inc(dl); + if (dl_argv_match(dl, "list") || dl_no_arg(dl) + || (dl_argv_match(dl, "show") && dl_argc(dl) == 1)) { + dl_arg_inc(dl); + return __cmd_health_show(dl, false, true); + } else { + return cmd_health(dl); + } + } else if (dl_argv_match(dl, "add")) { + dl_arg_inc(dl); + return cmd_port_add(dl); + } else if (dl_argv_match(dl, "del")) { + dl_arg_inc(dl); + return cmd_port_del(dl); + } + + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void cmd_linecard_help(void) +{ + pr_err("Usage: devlink lc show [ DEV [ lc LC_INDEX ] ]\n"); + pr_err(" devlink lc set DEV lc LC_INDEX [ { type LC_TYPE | notype } ]\n"); +} + +static const char *linecard_state_name(uint16_t flavour) +{ + switch (flavour) { + case DEVLINK_LINECARD_STATE_UNPROVISIONED: + return "unprovisioned"; + case DEVLINK_LINECARD_STATE_UNPROVISIONING: + return "unprovisioning"; + case DEVLINK_LINECARD_STATE_PROVISIONING: + return "provisioning"; + case DEVLINK_LINECARD_STATE_PROVISIONING_FAILED: + return "provisioning_failed"; + case DEVLINK_LINECARD_STATE_PROVISIONED: + return "provisioned"; + case DEVLINK_LINECARD_STATE_ACTIVE: + return "active"; + default: + return "<unknown state>"; + } +} + +static void pr_out_linecard_supported_types(struct dl *dl, struct nlattr **tb) +{ + struct nlattr *nla_types = tb[DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES]; + struct nlattr *nla_type; + + if (!nla_types) + return; + + pr_out_array_start(dl, "supported_types"); + check_indent_newline(dl); + mnl_attr_for_each_nested(nla_type, nla_types) { + print_string(PRINT_ANY, NULL, " %s", + mnl_attr_get_str(nla_type)); + } + pr_out_array_end(dl); +} + +static void pr_out_linecard(struct dl *dl, struct nlattr **tb) +{ + uint8_t state; + + pr_out_handle_start_arr(dl, tb); + check_indent_newline(dl); + print_uint(PRINT_ANY, "lc", "lc %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_LINECARD_INDEX])); + state = mnl_attr_get_u8(tb[DEVLINK_ATTR_LINECARD_STATE]); + print_string(PRINT_ANY, "state", " state %s", + linecard_state_name(state)); + if (tb[DEVLINK_ATTR_LINECARD_TYPE]) + print_string(PRINT_ANY, "type", " type %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_LINECARD_TYPE])); + if (tb[DEVLINK_ATTR_NESTED_DEVLINK]) + pr_out_nested_handle(tb[DEVLINK_ATTR_NESTED_DEVLINK]); + + pr_out_linecard_supported_types(dl, tb); + pr_out_handle_end(dl); +} + +static int cmd_linecard_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_LINECARD_INDEX] || + !tb[DEVLINK_ATTR_LINECARD_STATE]) + return MNL_CB_ERROR; + pr_out_linecard(dl, tb); + return MNL_CB_OK; +} + +static int cmd_linecard_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_LINECARD_GET, + DL_OPT_HANDLE | DL_OPT_LINECARD, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_LINECARD_GET, + flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "lc"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_linecard_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_linecard_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_LINECARD | + DL_OPT_LINECARD_TYPE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_LINECARD_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_linecard(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_linecard_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_linecard_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_linecard_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void cmd_sb_help(void) +{ + pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n"); + pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n"); + pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n"); + pr_err(" size POOL_SIZE thtype { static | dynamic }\n"); + pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n"); + pr_err(" pool POOL_INDEX ]\n"); + pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n"); + pr_err(" pool POOL_INDEX th THRESHOLD\n"); + pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n"); + pr_err(" type { ingress | egress } ]\n"); + pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n"); + pr_err(" type { ingress | egress } pool POOL_INDEX\n"); + pr_err(" th THRESHOLD\n"); + pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n"); + pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n"); + pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n"); +} + +static void pr_out_sb(struct dl *dl, struct nlattr **tb) +{ + pr_out_handle_start_arr(dl, tb); + check_indent_newline(dl); + print_uint(PRINT_ANY, "sb", "sb %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); + print_uint(PRINT_ANY, "size", " size %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE])); + print_uint(PRINT_ANY, "ing_pools", " ing_pools %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT])); + print_uint(PRINT_ANY, "eg_pools", " eg_pools %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT])); + print_uint(PRINT_ANY, "ing_tcs", " ing_tcs %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT])); + print_uint(PRINT_ANY, "eg_tcs", " eg_tcs %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])); + pr_out_handle_end(dl); +} + +static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] || + !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] || + !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] || + !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] || + !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]) + return MNL_CB_ERROR; + pr_out_sb(dl, tb); + return MNL_CB_OK; +} + +static int cmd_sb_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_SB_GET, + DL_OPT_HANDLE | DL_OPT_SB, 0, + DL_OPT_HANDLE, DL_OPT_SB); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "sb"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static const char *pool_type_name(uint8_t type) +{ + switch (type) { + case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress"; + case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress"; + default: return "<unknown type>"; + } +} + +static const char *threshold_type_name(uint8_t type) +{ + switch (type) { + case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static"; + case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic"; + default: return "<unknown type>"; + } +} + +static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb) +{ + pr_out_handle_start_arr(dl, tb); + check_indent_newline(dl); + print_uint(PRINT_ANY, "sb", "sb %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); + print_uint(PRINT_ANY, "pool", " pool %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); + print_string(PRINT_ANY, "type", " type %s", + pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]))); + print_uint(PRINT_ANY, "size", " size %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE])); + print_string(PRINT_ANY, "thtype", " thtype %s", + threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]))); + if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]) + print_uint(PRINT_ANY, "cell_size", " cell size %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])); + pr_out_handle_end(dl); +} + +static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || + !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] || + !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]) + return MNL_CB_ERROR; + pr_out_sb_pool(dl, tb); + return MNL_CB_OK; +} + +static int cmd_sb_pool_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_SB_POOL_GET, + DL_OPT_HANDLE | DL_OPT_SB | + DL_OPT_SB_POOL, 0, + DL_OPT_HANDLE, DL_OPT_SB); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_POOL_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "pool"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_pool_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_sb_pool_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_SB | DL_OPT_SB_POOL | + DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_POOL_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_sb_pool(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_sb_pool_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_sb_pool_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb) +{ + pr_out_port_handle_start_arr(dl, tb, true); + check_indent_newline(dl); + print_uint(PRINT_ANY, "sb", "sb %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); + print_uint(PRINT_ANY, "pool", " pool %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); + print_uint(PRINT_ANY, "threshold", " threshold %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD])); + pr_out_port_handle_end(dl); +} + +static int cmd_sb_port_pool_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || + !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD]) + return MNL_CB_ERROR; + pr_out_sb_port_pool(dl, tb); + return MNL_CB_OK; +} + +static int cmd_sb_port_pool_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, + DEVLINK_CMD_SB_PORT_POOL_GET, + DL_OPT_HANDLEP | DL_OPT_SB | + DL_OPT_SB_POOL, 0, + DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "port_pool"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl); + pr_out_section_end(dl); + return 0; +} + +static int cmd_sb_port_pool_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_SB | DL_OPT_SB_POOL | + DL_OPT_SB_TH, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_sb_port_pool(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_sb_port_pool_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_sb_port_pool_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_sb_port(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "pool")) { + dl_arg_inc(dl); + return cmd_sb_port_pool(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb) +{ + pr_out_port_handle_start_arr(dl, tb, true); + check_indent_newline(dl); + print_uint(PRINT_ANY, "sb", "sb %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); + print_uint(PRINT_ANY, "tc", " tc %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX])); + print_string(PRINT_ANY, "type", " type %s", + pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]))); + print_uint(PRINT_ANY, "pool", " pool %u", + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); + print_uint(PRINT_ANY, "threshold", " threshold %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD])); + pr_out_port_handle_end(dl); +} + +static int cmd_sb_tc_bind_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || + !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || + !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD]) + return MNL_CB_ERROR; + pr_out_sb_tc_bind(dl, tb); + return MNL_CB_OK; +} + +static int cmd_sb_tc_bind_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, + DEVLINK_CMD_SB_TC_POOL_BIND_GET, + DL_OPT_HANDLEP | DL_OPT_SB | + DL_OPT_SB_TC | DL_OPT_SB_TYPE, 0, + DL_OPT_HANDLE | DL_OPT_HANDLEP, + DL_OPT_SB); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "tc_bind"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_sb_tc_bind_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLEP | DL_OPT_SB | DL_OPT_SB_TC | + DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_sb_tc_bind(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_sb_tc_bind_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_sb_tc_bind_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_sb_tc(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "bind")) { + dl_arg_inc(dl); + return cmd_sb_tc_bind(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +struct occ_item { + struct list_head list; + uint32_t index; + uint32_t cur; + uint32_t max; + uint32_t bound_pool_index; +}; + +struct occ_port { + struct list_head list; + char *bus_name; + char *dev_name; + uint32_t port_index; + uint32_t sb_index; + struct list_head pool_list; + struct list_head ing_tc_list; + struct list_head eg_tc_list; +}; + +struct occ_show { + struct dl *dl; + int err; + struct list_head port_list; +}; + +static struct occ_item *occ_item_alloc(void) +{ + return calloc(1, sizeof(struct occ_item)); +} + +static void occ_item_free(struct occ_item *occ_item) +{ + free(occ_item); +} + +static struct occ_port *occ_port_alloc(uint32_t port_index) +{ + struct occ_port *occ_port; + + occ_port = calloc(1, sizeof(*occ_port)); + if (!occ_port) + return NULL; + occ_port->port_index = port_index; + INIT_LIST_HEAD(&occ_port->pool_list); + INIT_LIST_HEAD(&occ_port->ing_tc_list); + INIT_LIST_HEAD(&occ_port->eg_tc_list); + return occ_port; +} + +static void occ_port_free(struct occ_port *occ_port) +{ + struct occ_item *occ_item, *tmp; + + list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list) + occ_item_free(occ_item); + list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list) + occ_item_free(occ_item); + list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list) + occ_item_free(occ_item); +} + +static struct occ_show *occ_show_alloc(struct dl *dl) +{ + struct occ_show *occ_show; + + occ_show = calloc(1, sizeof(*occ_show)); + if (!occ_show) + return NULL; + occ_show->dl = dl; + INIT_LIST_HEAD(&occ_show->port_list); + return occ_show; +} + +static void occ_show_free(struct occ_show *occ_show) +{ + struct occ_port *occ_port, *tmp; + + list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list) + occ_port_free(occ_port); +} + +static struct occ_port *occ_port_get(struct occ_show *occ_show, + struct nlattr **tb) +{ + struct occ_port *occ_port; + uint32_t port_index; + + port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); + + list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) { + if (occ_port->port_index == port_index) + return occ_port; + } + occ_port = occ_port_alloc(port_index); + if (!occ_port) + return NULL; + list_add_tail(&occ_port->list, &occ_show->port_list); + return occ_port; +} + +static void pr_out_occ_show_item_list(const char *label, struct list_head *list, + bool bound_pool) +{ + struct occ_item *occ_item; + int i = 1; + + pr_out_sp(7, " %s:", label); + list_for_each_entry(occ_item, list, list) { + if ((i - 1) % 4 == 0 && i != 1) + pr_out_sp(7, " "); + if (bound_pool) + pr_out_sp(7, "%2u(%u):", occ_item->index, + occ_item->bound_pool_index); + else + pr_out_sp(7, "%2u:", occ_item->index); + pr_out_sp(21, "%10u/%u", occ_item->cur, occ_item->max); + if (i++ % 4 == 0) + pr_out("\n"); + } + if ((i - 1) % 4 != 0) + pr_out("\n"); +} + +static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label, + struct list_head *list, + bool bound_pool) +{ + struct occ_item *occ_item; + char buf[32]; + + open_json_object(label); + list_for_each_entry(occ_item, list, list) { + snprintf(buf, sizeof(buf), "%u", occ_item->index); + open_json_object(buf); + if (bound_pool) + print_uint(PRINT_JSON, "bound_pool", NULL, + occ_item->bound_pool_index); + print_uint(PRINT_JSON, "current", NULL, occ_item->cur); + print_uint(PRINT_JSON, "max", NULL, occ_item->max); + close_json_object(); + } + close_json_object(); +} + +static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port) +{ + if (dl->json_output) { + pr_out_json_occ_show_item_list(dl, "pool", + &occ_port->pool_list, false); + pr_out_json_occ_show_item_list(dl, "itc", + &occ_port->ing_tc_list, true); + pr_out_json_occ_show_item_list(dl, "etc", + &occ_port->eg_tc_list, true); + } else { + pr_out("\n"); + pr_out_occ_show_item_list("pool", &occ_port->pool_list, false); + pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true); + pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true); + } +} + +static void pr_out_occ_show(struct occ_show *occ_show) +{ + struct dl *dl = occ_show->dl; + struct dl_opts *opts = &dl->opts; + struct occ_port *occ_port; + + list_for_each_entry(occ_port, &occ_show->port_list, list) { + __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name, + occ_port->port_index, NULL, + true, false); + pr_out_occ_show_port(dl, occ_port); + pr_out_port_handle_end(dl); + } +} + +static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show, + struct nlattr **tb) +{ + struct occ_port *occ_port; + struct occ_item *occ_item; + + if (occ_show->err || !dl_dump_filter(occ_show->dl, tb)) + return; + + occ_port = occ_port_get(occ_show, tb); + if (!occ_port) { + occ_show->err = -ENOMEM; + return; + } + + occ_item = occ_item_alloc(); + if (!occ_item) { + occ_show->err = -ENOMEM; + return; + } + occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]); + occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]); + occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]); + list_add_tail(&occ_item->list, &occ_port->pool_list); +} + +static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data) +{ + struct occ_show *occ_show = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || + !tb[DEVLINK_ATTR_SB_POOL_INDEX] || + !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX]) + return MNL_CB_ERROR; + cmd_sb_occ_port_pool_process(occ_show, tb); + return MNL_CB_OK; +} + +static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show, + struct nlattr **tb) +{ + struct occ_port *occ_port; + struct occ_item *occ_item; + uint8_t pool_type; + + if (occ_show->err || !dl_dump_filter(occ_show->dl, tb)) + return; + + occ_port = occ_port_get(occ_show, tb); + if (!occ_port) { + occ_show->err = -ENOMEM; + return; + } + + occ_item = occ_item_alloc(); + if (!occ_item) { + occ_show->err = -ENOMEM; + return; + } + occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]); + occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]); + occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]); + occ_item->bound_pool_index = + mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]); + pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]); + if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS) + list_add_tail(&occ_item->list, &occ_port->ing_tc_list); + else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS) + list_add_tail(&occ_item->list, &occ_port->eg_tc_list); + else + occ_item_free(occ_item); +} + +static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data) +{ + struct occ_show *occ_show = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || + !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || + !tb[DEVLINK_ATTR_SB_POOL_INDEX] || + !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX]) + return MNL_CB_ERROR; + cmd_sb_occ_tc_pool_process(occ_show, tb); + return MNL_CB_OK; +} + +static int cmd_sb_occ_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + struct occ_show *occ_show; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_SB, 0); + if (err) + return err; + + occ_show = occ_show_alloc(dl); + if (!occ_show) + return -ENOMEM; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags); + + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, + cmd_sb_occ_port_pool_process_cb, occ_show); + if (err) + goto out; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags); + + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, + cmd_sb_occ_tc_pool_process_cb, occ_show); + if (err) + goto out; + + pr_out_section_start(dl, "occupancy"); + pr_out_occ_show(occ_show); + pr_out_section_end(dl); + +out: + occ_show_free(occ_show); + return err; +} + +static int cmd_sb_occ_snapshot(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_SB, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_sb_occ_clearmax(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_SB, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_sb_occ(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list")) { + dl_arg_inc(dl); + return cmd_sb_occ_show(dl); + } else if (dl_argv_match(dl, "snapshot")) { + dl_arg_inc(dl); + return cmd_sb_occ_snapshot(dl); + } else if (dl_argv_match(dl, "clearmax")) { + dl_arg_inc(dl); + return cmd_sb_occ_clearmax(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_sb(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_sb_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_sb_show(dl); + } else if (dl_argv_match(dl, "pool")) { + dl_arg_inc(dl); + return cmd_sb_pool(dl); + } else if (dl_argv_match(dl, "port")) { + dl_arg_inc(dl); + return cmd_sb_port(dl); + } else if (dl_argv_match(dl, "tc")) { + dl_arg_inc(dl); + return cmd_sb_tc(dl); + } else if (dl_argv_match(dl, "occupancy")) { + dl_arg_inc(dl); + return cmd_sb_occ(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static const char *cmd_name(uint8_t cmd) +{ + switch (cmd) { + case DEVLINK_CMD_UNSPEC: return "unspec"; + case DEVLINK_CMD_GET: return "get"; + case DEVLINK_CMD_SET: return "set"; + case DEVLINK_CMD_NEW: return "new"; + case DEVLINK_CMD_DEL: return "del"; + case DEVLINK_CMD_PORT_GET: return "get"; + case DEVLINK_CMD_PORT_SET: return "set"; + case DEVLINK_CMD_PORT_NEW: return "new"; + case DEVLINK_CMD_PORT_DEL: return "del"; + case DEVLINK_CMD_PARAM_GET: return "get"; + case DEVLINK_CMD_PARAM_SET: return "set"; + case DEVLINK_CMD_PARAM_NEW: return "new"; + case DEVLINK_CMD_PARAM_DEL: return "del"; + case DEVLINK_CMD_REGION_GET: return "get"; + case DEVLINK_CMD_REGION_SET: return "set"; + case DEVLINK_CMD_REGION_NEW: return "new"; + case DEVLINK_CMD_REGION_DEL: return "del"; + case DEVLINK_CMD_PORT_PARAM_GET: return "get"; + case DEVLINK_CMD_PORT_PARAM_SET: return "set"; + case DEVLINK_CMD_PORT_PARAM_NEW: return "new"; + case DEVLINK_CMD_PORT_PARAM_DEL: return "del"; + case DEVLINK_CMD_FLASH_UPDATE: return "begin"; + case DEVLINK_CMD_FLASH_UPDATE_END: return "end"; + case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "status"; + case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: return "status"; + case DEVLINK_CMD_TRAP_GET: return "get"; + case DEVLINK_CMD_TRAP_SET: return "set"; + case DEVLINK_CMD_TRAP_NEW: return "new"; + case DEVLINK_CMD_TRAP_DEL: return "del"; + case DEVLINK_CMD_TRAP_GROUP_GET: return "get"; + case DEVLINK_CMD_TRAP_GROUP_SET: return "set"; + case DEVLINK_CMD_TRAP_GROUP_NEW: return "new"; + case DEVLINK_CMD_TRAP_GROUP_DEL: return "del"; + case DEVLINK_CMD_TRAP_POLICER_GET: return "get"; + case DEVLINK_CMD_TRAP_POLICER_SET: return "set"; + case DEVLINK_CMD_TRAP_POLICER_NEW: return "new"; + case DEVLINK_CMD_TRAP_POLICER_DEL: return "del"; + case DEVLINK_CMD_LINECARD_GET: return "get"; + case DEVLINK_CMD_LINECARD_SET: return "set"; + case DEVLINK_CMD_LINECARD_NEW: return "new"; + case DEVLINK_CMD_LINECARD_DEL: return "del"; + default: return "<unknown cmd>"; + } +} + +static const char *cmd_obj(uint8_t cmd) +{ + switch (cmd) { + case DEVLINK_CMD_UNSPEC: return "unspec"; + case DEVLINK_CMD_GET: + case DEVLINK_CMD_SET: + case DEVLINK_CMD_NEW: + case DEVLINK_CMD_DEL: + return "dev"; + case DEVLINK_CMD_PORT_GET: + case DEVLINK_CMD_PORT_SET: + case DEVLINK_CMD_PORT_NEW: + case DEVLINK_CMD_PORT_DEL: + return "port"; + case DEVLINK_CMD_PARAM_GET: + case DEVLINK_CMD_PARAM_SET: + case DEVLINK_CMD_PARAM_NEW: + case DEVLINK_CMD_PARAM_DEL: + case DEVLINK_CMD_PORT_PARAM_GET: + case DEVLINK_CMD_PORT_PARAM_SET: + case DEVLINK_CMD_PORT_PARAM_NEW: + case DEVLINK_CMD_PORT_PARAM_DEL: + return "param"; + case DEVLINK_CMD_REGION_GET: + case DEVLINK_CMD_REGION_SET: + case DEVLINK_CMD_REGION_NEW: + case DEVLINK_CMD_REGION_DEL: + return "region"; + case DEVLINK_CMD_FLASH_UPDATE: + case DEVLINK_CMD_FLASH_UPDATE_END: + case DEVLINK_CMD_FLASH_UPDATE_STATUS: + return "flash"; + case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: + return "health"; + case DEVLINK_CMD_TRAP_GET: + case DEVLINK_CMD_TRAP_SET: + case DEVLINK_CMD_TRAP_NEW: + case DEVLINK_CMD_TRAP_DEL: + return "trap"; + case DEVLINK_CMD_TRAP_GROUP_GET: + case DEVLINK_CMD_TRAP_GROUP_SET: + case DEVLINK_CMD_TRAP_GROUP_NEW: + case DEVLINK_CMD_TRAP_GROUP_DEL: + return "trap-group"; + case DEVLINK_CMD_TRAP_POLICER_GET: + case DEVLINK_CMD_TRAP_POLICER_SET: + case DEVLINK_CMD_TRAP_POLICER_NEW: + case DEVLINK_CMD_TRAP_POLICER_DEL: + return "trap-policer"; + case DEVLINK_CMD_LINECARD_GET: + case DEVLINK_CMD_LINECARD_SET: + case DEVLINK_CMD_LINECARD_NEW: + case DEVLINK_CMD_LINECARD_DEL: + return "lc"; + default: return "<unknown obj>"; + } +} + +static void pr_out_mon_header(uint8_t cmd) +{ + if (!is_json_context()) { + pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd)); + } else { + open_json_object(NULL); + print_string(PRINT_JSON, "command", NULL, cmd_name(cmd)); + open_json_object(cmd_obj(cmd)); + } +} + +static void pr_out_mon_footer(void) +{ + if (is_json_context()) { + close_json_object(); + close_json_object(); + } +} + +static bool cmd_filter_check(struct dl *dl, uint8_t cmd) +{ + const char *obj = cmd_obj(cmd); + unsigned int index = 0; + const char *cur_obj; + + if (dl_no_arg(dl)) + return true; + while ((cur_obj = dl_argv_index(dl, index++))) { + if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0) + return true; + } + return false; +} + +static void pr_out_flash_update(struct dl *dl, struct nlattr **tb) +{ + __pr_out_handle_start(dl, tb, true, false); + + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]) { + check_indent_newline(dl); + print_string(PRINT_ANY, "msg", "msg %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG])); + } + if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]) { + check_indent_newline(dl); + print_string(PRINT_ANY, "component", "component %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT])); + } + + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]) + pr_out_u64(dl, "done", + mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])); + + if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]) + pr_out_u64(dl, "total", + mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])); + + pr_out_handle_end(dl); +} + +static void pr_out_region(struct dl *dl, struct nlattr **tb); +static void pr_out_health(struct dl *dl, struct nlattr **tb_health, + bool show_device, bool show_port); +static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array); +static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array); +static void pr_out_trap_policer(struct dl *dl, struct nlattr **tb, bool array); + +static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dl *dl = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + uint8_t cmd = genl->cmd; + + if (!cmd_filter_check(dl, cmd)) + return MNL_CB_OK; + + switch (cmd) { + case DEVLINK_CMD_GET: /* fall through */ + case DEVLINK_CMD_SET: /* fall through */ + case DEVLINK_CMD_NEW: /* fall through */ + case DEVLINK_CMD_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + dl->stats = true; + pr_out_dev(dl, nlh, tb); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_PORT_GET: /* fall through */ + case DEVLINK_CMD_PORT_SET: /* fall through */ + case DEVLINK_CMD_PORT_NEW: /* fall through */ + case DEVLINK_CMD_PORT_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PORT_INDEX]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_port(dl, tb); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_PARAM_GET: /* fall through */ + case DEVLINK_CMD_PARAM_SET: /* fall through */ + case DEVLINK_CMD_PARAM_NEW: /* fall through */ + case DEVLINK_CMD_PARAM_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_PARAM]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_param(dl, tb, false, false); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_REGION_GET: /* fall through */ + case DEVLINK_CMD_REGION_SET: /* fall through */ + case DEVLINK_CMD_REGION_NEW: /* fall through */ + case DEVLINK_CMD_REGION_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_REGION_NAME]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_region(dl, tb); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_FLASH_UPDATE: /* fall through */ + case DEVLINK_CMD_FLASH_UPDATE_END: /* fall through */ + case DEVLINK_CMD_FLASH_UPDATE_STATUS: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_flash_update(dl, tb); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_HEALTH_REPORTER_RECOVER: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_HEALTH_REPORTER]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_health(dl, tb, true, true); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_TRAP_GET: /* fall through */ + case DEVLINK_CMD_TRAP_SET: /* fall through */ + case DEVLINK_CMD_TRAP_NEW: /* fall through */ + case DEVLINK_CMD_TRAP_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_TRAP_NAME] || + !tb[DEVLINK_ATTR_TRAP_TYPE] || + !tb[DEVLINK_ATTR_TRAP_ACTION] || + !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || + !tb[DEVLINK_ATTR_TRAP_METADATA] || + !tb[DEVLINK_ATTR_STATS]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_trap(dl, tb, false); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_TRAP_GROUP_GET: /* fall through */ + case DEVLINK_CMD_TRAP_GROUP_SET: /* fall through */ + case DEVLINK_CMD_TRAP_GROUP_NEW: /* fall through */ + case DEVLINK_CMD_TRAP_GROUP_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || + !tb[DEVLINK_ATTR_STATS]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_trap_group(dl, tb, false); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_TRAP_POLICER_GET: /* fall through */ + case DEVLINK_CMD_TRAP_POLICER_SET: /* fall through */ + case DEVLINK_CMD_TRAP_POLICER_NEW: /* fall through */ + case DEVLINK_CMD_TRAP_POLICER_DEL: /* fall through */ + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_TRAP_POLICER_ID] || + !tb[DEVLINK_ATTR_TRAP_POLICER_RATE] || + !tb[DEVLINK_ATTR_TRAP_POLICER_BURST]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_trap_policer(dl, tb, false); + pr_out_mon_footer(); + break; + case DEVLINK_CMD_LINECARD_GET: /* fall through */ + case DEVLINK_CMD_LINECARD_SET: /* fall through */ + case DEVLINK_CMD_LINECARD_NEW: /* fall through */ + case DEVLINK_CMD_LINECARD_DEL: + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_LINECARD_INDEX]) + return MNL_CB_ERROR; + pr_out_mon_header(genl->cmd); + pr_out_linecard(dl, tb); + pr_out_mon_footer(); + break; + } + fflush(stdout); + return MNL_CB_OK; +} + +static int cmd_mon_show(struct dl *dl) +{ + int err; + unsigned int index = 0; + const char *cur_obj; + + while ((cur_obj = dl_argv_index(dl, index++))) { + if (strcmp(cur_obj, "all") != 0 && + strcmp(cur_obj, "dev") != 0 && + strcmp(cur_obj, "port") != 0 && + strcmp(cur_obj, "health") != 0 && + strcmp(cur_obj, "trap") != 0 && + strcmp(cur_obj, "trap-group") != 0 && + strcmp(cur_obj, "trap-policer") != 0 && + strcmp(cur_obj, "lc") != 0) { + pr_err("Unknown object \"%s\"\n", cur_obj); + return -EINVAL; + } + } + err = _mnlg_socket_group_add(&dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME); + if (err) + return err; + open_json_object(NULL); + open_json_array(PRINT_JSON, "mon"); + err = _mnlg_socket_recv_run_intr(&dl->nlg, cmd_mon_show_cb, dl); + close_json_array(PRINT_JSON, NULL); + close_json_object(); + if (err) + return err; + return 0; +} + +static void cmd_mon_help(void) +{ + pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n" + "where OBJECT-LIST := { dev | port | lc | health | trap | trap-group | trap-policer }\n"); +} + +static int cmd_mon(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_mon_help(); + return 0; + } + return cmd_mon_show(dl); +} + +struct dpipe_field { + char *name; + unsigned int id; + unsigned int bitwidth; + enum devlink_dpipe_field_mapping_type mapping_type; +}; + +struct dpipe_header { + struct list_head list; + char *name; + unsigned int id; + struct dpipe_field *fields; + unsigned int fields_count; +}; + +struct dpipe_table { + struct list_head list; + char *name; + unsigned int resource_id; + bool resource_valid; +}; + +struct dpipe_tables { + struct list_head table_list; +}; + +struct resource { + char *name; + uint64_t size; + uint64_t size_new; + uint64_t size_min; + uint64_t size_max; + uint64_t size_gran; + enum devlink_resource_unit unit; + bool size_valid; + uint64_t size_occ; + bool occ_valid; + uint64_t id; + struct list_head list; + struct list_head resource_list; + struct resource *parent; +}; + +struct resources { + struct list_head resource_list; +}; + +struct resource_ctx { + struct dl *dl; + int err; + struct resources *resources; + struct dpipe_tables *tables; + bool print_resources; + bool pending_change; +}; + +static struct resource *resource_alloc(void) +{ + struct resource *resource; + + resource = calloc(1, sizeof(struct resource)); + if (!resource) + return NULL; + INIT_LIST_HEAD(&resource->resource_list); + return resource; +} + +static void resource_free(struct resource *resource) +{ + struct resource *child_resource, *tmp; + + list_for_each_entry_safe(child_resource, tmp, &resource->resource_list, + list) { + free(child_resource->name); + resource_free(child_resource); + } + free(resource); +} + +static struct resources *resources_alloc(void) +{ + struct resources *resources; + + resources = calloc(1, sizeof(struct resources)); + if (!resources) + return NULL; + INIT_LIST_HEAD(&resources->resource_list); + return resources; +} + +static void resources_free(struct resources *resources) +{ + struct resource *resource, *tmp; + + list_for_each_entry_safe(resource, tmp, &resources->resource_list, list) + resource_free(resource); +} + +static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl) +{ + ctx->resources = resources_alloc(); + if (!ctx->resources) + return -ENOMEM; + ctx->dl = dl; + return 0; +} + +static void resource_ctx_fini(struct resource_ctx *ctx) +{ + resources_free(ctx->resources); +} + +struct dpipe_ctx { + struct dl *dl; + int err; + struct list_head global_headers; + struct list_head local_headers; + struct dpipe_tables *tables; + struct resources *resources; + bool print_headers; + bool print_tables; +}; + +static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count) +{ + struct dpipe_header *header; + + header = calloc(1, sizeof(struct dpipe_header)); + if (!header) + return NULL; + header->fields = calloc(fields_count, sizeof(struct dpipe_field)); + if (!header->fields) + goto err_fields_alloc; + header->fields_count = fields_count; + return header; + +err_fields_alloc: + free(header); + return NULL; +} + +static void dpipe_header_free(struct dpipe_header *header) +{ + free(header->fields); + free(header); +} + +static void dpipe_header_clear(struct dpipe_header *header) +{ + struct dpipe_field *field; + int i; + + for (i = 0; i < header->fields_count; i++) { + field = &header->fields[i]; + free(field->name); + } + free(header->name); +} + +static void dpipe_header_add(struct dpipe_ctx *ctx, + struct dpipe_header *header, bool global) +{ + if (global) + list_add(&header->list, &ctx->global_headers); + else + list_add(&header->list, &ctx->local_headers); +} + +static void dpipe_header_del(struct dpipe_header *header) +{ + list_del(&header->list); +} + +static struct dpipe_table *dpipe_table_alloc(void) +{ + return calloc(1, sizeof(struct dpipe_table)); +} + +static void dpipe_table_free(struct dpipe_table *table) +{ + free(table); +} + +static struct dpipe_tables *dpipe_tables_alloc(void) +{ + struct dpipe_tables *tables; + + tables = calloc(1, sizeof(struct dpipe_tables)); + if (!tables) + return NULL; + INIT_LIST_HEAD(&tables->table_list); + return tables; +} + +static void dpipe_tables_free(struct dpipe_tables *tables) +{ + struct dpipe_table *table, *tmp; + + list_for_each_entry_safe(table, tmp, &tables->table_list, list) + dpipe_table_free(table); + free(tables); +} + +static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl) +{ + ctx->tables = dpipe_tables_alloc(); + if (!ctx->tables) + return -ENOMEM; + + ctx->dl = dl; + INIT_LIST_HEAD(&ctx->global_headers); + INIT_LIST_HEAD(&ctx->local_headers); + return 0; +} + +static void dpipe_ctx_fini(struct dpipe_ctx *ctx) +{ + struct dpipe_header *header, *tmp; + + list_for_each_entry_safe(header, tmp, &ctx->global_headers, + list) { + dpipe_header_del(header); + dpipe_header_clear(header); + dpipe_header_free(header); + } + list_for_each_entry_safe(header, tmp, &ctx->local_headers, + list) { + dpipe_header_del(header); + dpipe_header_clear(header); + dpipe_header_free(header); + } + dpipe_tables_free(ctx->tables); +} + +static const char *dpipe_header_id2s(struct dpipe_ctx *ctx, + uint32_t header_id, bool global) +{ + struct list_head *header_list; + struct dpipe_header *header; + + if (global) + header_list = &ctx->global_headers; + else + header_list = &ctx->local_headers; + list_for_each_entry(header, header_list, list) { + if (header->id != header_id) + continue; + return header->name; + } + return NULL; +} + +static const char *dpipe_field_id2s(struct dpipe_ctx *ctx, + uint32_t header_id, + uint32_t field_id, bool global) +{ + struct list_head *header_list; + struct dpipe_header *header; + + if (global) + header_list = &ctx->global_headers; + else + header_list = &ctx->local_headers; + list_for_each_entry(header, header_list, list) { + if (header->id != header_id) + continue; + return header->fields[field_id].name; + } + return NULL; +} + +static const char * +dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type) +{ + switch (mapping_type) { + case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE: + return NULL; + case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX: + return "ifindex"; + default: + return "<unknown>"; + } +} + +static const char * +dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id, + uint32_t field_id, bool global) +{ + enum devlink_dpipe_field_mapping_type mapping_type; + struct list_head *header_list; + struct dpipe_header *header; + + if (global) + header_list = &ctx->global_headers; + else + header_list = &ctx->local_headers; + list_for_each_entry(header, header_list, list) { + if (header->id != header_id) + continue; + mapping_type = header->fields[field_id].mapping_type; + return dpipe_field_mapping_e2s(mapping_type); + } + return NULL; +} + +static void pr_out_dpipe_fields(struct dpipe_ctx *ctx, + struct dpipe_field *fields, + unsigned int field_count) +{ + struct dpipe_field *field; + int i; + + for (i = 0; i < field_count; i++) { + field = &fields[i]; + pr_out_entry_start(ctx->dl); + check_indent_newline(ctx->dl); + print_string(PRINT_ANY, "name", "name %s", field->name); + if (ctx->dl->verbose) + print_uint(PRINT_ANY, "id", " id %u", field->id); + print_uint(PRINT_ANY, "bitwidth", " bitwidth %u", field->bitwidth); + if (field->mapping_type) { + print_string(PRINT_ANY, "mapping_type", " mapping_type %s", + dpipe_field_mapping_e2s(field->mapping_type)); + } + pr_out_entry_end(ctx->dl); + } +} + +static void +pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb, + struct dpipe_header *header, bool global) +{ + pr_out_handle_start_arr(ctx->dl, tb); + check_indent_newline(ctx->dl); + print_string(PRINT_ANY, "name", "name %s", header->name); + if (ctx->dl->verbose) { + print_uint(PRINT_ANY, "id", " id %u", header->id); + print_bool(PRINT_ANY, "global", " global %s", global); + } + pr_out_array_start(ctx->dl, "field"); + pr_out_dpipe_fields(ctx, header->fields, + header->fields_count); + pr_out_array_end(ctx->dl); + pr_out_handle_end(ctx->dl); +} + +static void pr_out_dpipe_headers(struct dpipe_ctx *ctx, + struct nlattr **tb) +{ + struct dpipe_header *header; + + list_for_each_entry(header, &ctx->local_headers, list) + pr_out_dpipe_header(ctx, tb, header, false); + + list_for_each_entry(header, &ctx->global_headers, list) + pr_out_dpipe_header(ctx, tb, header, true); +} + +static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field) +{ + struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {}; + const char *name; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_field); + if (err != MNL_CB_OK) + return -EINVAL; + if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] || + !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] || + !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] || + !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]) + return -EINVAL; + + name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]); + field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]); + field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]); + field->name = strdup(name); + if (!field->name) + return -ENOMEM; + field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]); + return 0; +} + +static int dpipe_header_fields_get(struct nlattr *nla_fields, + struct dpipe_field *fields) +{ + struct nlattr *nla_field; + int count = 0; + int err; + + mnl_attr_for_each_nested(nla_field, nla_fields) { + err = dpipe_header_field_get(nla_field, &fields[count]); + if (err) + return err; + count++; + } + return 0; +} + +static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields) +{ + struct nlattr *nla_field; + unsigned int count = 0; + + mnl_attr_for_each_nested(nla_field, nla_fields) + count++; + return count; +} + +static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl) +{ + struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {}; + struct dpipe_header *header; + unsigned int fields_count; + const char *header_name; + bool global; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_header); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] || + !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] || + !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]) + return -EINVAL; + + fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]); + header = dpipe_header_alloc(fields_count); + if (!header) + return -ENOMEM; + + header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]); + header->name = strdup(header_name); + header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]); + header->fields_count = fields_count; + global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]); + + err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS], + header->fields); + if (err) + goto err_field_get; + dpipe_header_add(ctx, header, global); + return 0; + +err_field_get: + dpipe_header_free(header); + return err; +} + +static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb) +{ + struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS]; + struct nlattr *nla_header; + int err; + + mnl_attr_for_each_nested(nla_header, nla_headers) { + err = dpipe_header_get(ctx, nla_header); + if (err) + return err; + } + return 0; +} + +static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dpipe_ctx *ctx = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_DPIPE_HEADERS]) + return MNL_CB_ERROR; + err = dpipe_headers_get(ctx, tb); + if (err) { + ctx->err = err; + return MNL_CB_ERROR; + } + + if (ctx->print_headers) + pr_out_dpipe_headers(ctx, tb); + return MNL_CB_OK; +} + +static int cmd_dpipe_headers_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + struct dpipe_ctx ctx = {}; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags); + + dl_opts_put(nlh, dl); + + err = dpipe_ctx_init(&ctx, dl); + if (err) + return err; + + ctx.print_headers = true; + + pr_out_section_start(dl, "header"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_header_cb, &ctx); + if (err) + pr_err("error get headers %s\n", strerror(ctx.err)); + pr_out_section_end(dl); + + dpipe_ctx_fini(&ctx); + return err; +} + +static void cmd_dpipe_help(void) +{ + pr_err("Usage: devlink dpipe table show DEV [ name TABLE_NAME ]\n"); + pr_err(" devlink dpipe table set DEV name TABLE_NAME\n"); + pr_err(" [ counters_enabled { true | false } ]\n"); + pr_err(" devlink dpipe table dump DEV name TABLE_NAME\n"); + pr_err(" devlink dpipe header show DEV\n"); +} + +static int cmd_dpipe_header(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_dpipe_help(); + return 0; + } else if (dl_argv_match(dl, "show")) { + dl_arg_inc(dl); + return cmd_dpipe_headers_show(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static const char +*dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type) +{ + switch (action_type) { + case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY: + return "field_modify"; + default: + return "<unknown>"; + } +} + +struct dpipe_op_info { + uint32_t header_id; + uint32_t field_id; + bool header_global; +}; + +struct dpipe_action { + struct dpipe_op_info info; + uint32_t type; +}; + +static void pr_out_dpipe_action(struct dpipe_action *action, + struct dpipe_ctx *ctx) +{ + struct dpipe_op_info *op_info = &action->info; + const char *mapping; + + check_indent_newline(ctx->dl); + print_string(PRINT_ANY, "type", "type %s", + dpipe_action_type_e2s(action->type)); + print_string(PRINT_ANY, "header", " header %s", + dpipe_header_id2s(ctx, op_info->header_id, + op_info->header_global)); + print_string(PRINT_ANY, "field", " field %s", + dpipe_field_id2s(ctx, op_info->header_id, + op_info->field_id, + op_info->header_global)); + mapping = dpipe_mapping_get(ctx, op_info->header_id, + op_info->field_id, + op_info->header_global); + if (mapping) + print_string(PRINT_ANY, "mapping", " mapping %s", mapping); +} + +static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl) +{ + struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {}; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_action); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] || + !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] || + !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] || + !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) { + return -EINVAL; + } + + action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]); + action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]); + action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]); + action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]); + + return 0; +} + +static int dpipe_table_actions_show(struct dpipe_ctx *ctx, + struct nlattr *nla_actions) +{ + struct nlattr *nla_action; + struct dpipe_action action; + + mnl_attr_for_each_nested(nla_action, nla_actions) { + pr_out_entry_start(ctx->dl); + if (dpipe_action_parse(&action, nla_action)) + goto err_action_parse; + pr_out_dpipe_action(&action, ctx); + pr_out_entry_end(ctx->dl); + } + return 0; + +err_action_parse: + pr_out_entry_end(ctx->dl); + return -EINVAL; +} + +static const char * +dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type) +{ + switch (match_type) { + case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT: + return "field_exact"; + default: + return "<unknown>"; + } +} + +struct dpipe_match { + struct dpipe_op_info info; + uint32_t type; +}; + +static void pr_out_dpipe_match(struct dpipe_match *match, + struct dpipe_ctx *ctx) +{ + struct dpipe_op_info *op_info = &match->info; + const char *mapping; + + check_indent_newline(ctx->dl); + print_string(PRINT_ANY, "type", "type %s", + dpipe_match_type_e2s(match->type)); + print_string(PRINT_ANY, "header", " header %s", + dpipe_header_id2s(ctx, op_info->header_id, + op_info->header_global)); + print_string(PRINT_ANY, "field", " field %s", + dpipe_field_id2s(ctx, op_info->header_id, + op_info->field_id, + op_info->header_global)); + mapping = dpipe_mapping_get(ctx, op_info->header_id, + op_info->field_id, + op_info->header_global); + if (mapping) + print_string(PRINT_ANY, "mapping", " mapping %s", mapping); +} + +static int dpipe_match_parse(struct dpipe_match *match, + struct nlattr *nl) + +{ + struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {}; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_match); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] || + !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] || + !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] || + !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) { + return -EINVAL; + } + + match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]); + match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]); + match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]); + match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]); + + return 0; +} + +static int dpipe_table_matches_show(struct dpipe_ctx *ctx, + struct nlattr *nla_matches) +{ + struct nlattr *nla_match; + struct dpipe_match match; + + mnl_attr_for_each_nested(nla_match, nla_matches) { + pr_out_entry_start(ctx->dl); + if (dpipe_match_parse(&match, nla_match)) + goto err_match_parse; + pr_out_dpipe_match(&match, ctx); + pr_out_entry_end(ctx->dl); + } + return 0; + +err_match_parse: + pr_out_entry_end(ctx->dl); + return -EINVAL; +} + +static struct resource * +resource_find(struct resources *resources, struct resource *resource, + uint64_t resource_id) +{ + struct list_head *list_head; + + if (!resource) + list_head = &resources->resource_list; + else + list_head = &resource->resource_list; + + list_for_each_entry(resource, list_head, list) { + struct resource *child_resource; + + if (resource->id == resource_id) + return resource; + + child_resource = resource_find(resources, resource, + resource_id); + if (child_resource) + return child_resource; + } + return NULL; +} + +static void +resource_path_print(struct dl *dl, struct resources *resources, + uint64_t resource_id) +{ + struct resource *resource, *parent_resource; + const char del[] = "/"; + int path_len = 0; + char *path; + + resource = resource_find(resources, NULL, resource_id); + if (!resource) + return; + + for (parent_resource = resource; parent_resource; + parent_resource = parent_resource->parent) + path_len += strlen(parent_resource->name) + 1; + + path_len++; + path = calloc(1, path_len); + if (!path) + return; + + path += path_len - 1; + for (parent_resource = resource; parent_resource; + parent_resource = parent_resource->parent) { + path -= strlen(parent_resource->name); + memcpy(path, parent_resource->name, + strlen(parent_resource->name)); + path -= strlen(del); + memcpy(path, del, strlen(del)); + } + check_indent_newline(dl); + print_string(PRINT_ANY, "resource_path", "resource_path %s", path); + free(path); +} + +static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl) +{ + struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {}; + struct dpipe_table *table; + uint32_t resource_units; + bool counters_enabled; + bool resource_valid; + uint32_t size; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_table); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] || + !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] || + !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] || + !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] || + !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) { + return -EINVAL; + } + + table = dpipe_table_alloc(); + if (!table) + return -ENOMEM; + + table->name = strdup(mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME])); + size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]); + counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]); + + resource_valid = nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID] && + ctx->resources; + if (resource_valid) { + table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]); + table->resource_valid = true; + } + + list_add_tail(&table->list, &ctx->tables->table_list); + if (!ctx->print_tables) + return 0; + + check_indent_newline(ctx->dl); + print_string(PRINT_ANY, "name", "name %s", table->name); + print_uint(PRINT_ANY, "size", " size %u", size); + print_bool(PRINT_ANY, "counters_enabled", " counters_enabled %s", counters_enabled); + + if (resource_valid) { + resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]); + resource_path_print(ctx->dl, ctx->resources, + table->resource_id); + print_uint(PRINT_ANY, "resource_units", " resource_units %u", + resource_units); + } + + pr_out_array_start(ctx->dl, "match"); + if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES])) + goto err_matches_show; + pr_out_array_end(ctx->dl); + + pr_out_array_start(ctx->dl, "action"); + if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS])) + goto err_actions_show; + pr_out_array_end(ctx->dl); + + return 0; + +err_actions_show: +err_matches_show: + pr_out_array_end(ctx->dl); + return -EINVAL; +} + +static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb) +{ + struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES]; + struct nlattr *nla_table; + + mnl_attr_for_each_nested(nla_table, nla_tables) { + if (ctx->print_tables) + pr_out_handle_start_arr(ctx->dl, tb); + if (dpipe_table_show(ctx, nla_table)) + goto err_table_show; + if (ctx->print_tables) + pr_out_handle_end(ctx->dl); + } + return 0; + +err_table_show: + if (ctx->print_tables) + pr_out_handle_end(ctx->dl); + return -EINVAL; +} + +static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dpipe_ctx *ctx = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_DPIPE_TABLES]) + return MNL_CB_ERROR; + + if (dpipe_tables_show(ctx, tb)) + return MNL_CB_ERROR; + return MNL_CB_OK; +} + +static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data); + +static int cmd_dpipe_table_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + struct dpipe_ctx dpipe_ctx = {}; + struct resource_ctx resource_ctx = {}; + uint16_t flags = NLM_F_REQUEST; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags); + + err = dpipe_ctx_init(&dpipe_ctx, dl); + if (err) + return err; + + dpipe_ctx.print_tables = true; + + dl_opts_put(nlh, dl); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_header_cb, + &dpipe_ctx); + if (err) { + pr_err("error get headers %s\n", strerror(dpipe_ctx.err)); + goto err_headers_get; + } + + err = resource_ctx_init(&resource_ctx, dl); + if (err) + goto err_resource_ctx_init; + + resource_ctx.print_resources = false; + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags); + dl_opts_put(nlh, dl); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_resource_dump_cb, + &resource_ctx); + if (!err) + dpipe_ctx.resources = resource_ctx.resources; + + flags = NLM_F_REQUEST | NLM_F_ACK; + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags); + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "table"); + mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx); + pr_out_section_end(dl); + + resource_ctx_fini(&resource_ctx); + dpipe_ctx_fini(&dpipe_ctx); + return 0; + +err_resource_ctx_init: +err_headers_get: + dpipe_ctx_fini(&dpipe_ctx); + return err; +} + +static int cmd_dpipe_table_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME | + DL_OPT_DPIPE_TABLE_COUNTERS, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +enum dpipe_value_type { + DPIPE_VALUE_TYPE_VALUE, + DPIPE_VALUE_TYPE_MASK, +}; + +static const char * +dpipe_value_type_e2s(enum dpipe_value_type type) +{ + switch (type) { + case DPIPE_VALUE_TYPE_VALUE: + return "value"; + case DPIPE_VALUE_TYPE_MASK: + return "value_mask"; + default: + return "<unknown>"; + } +} + +struct dpipe_field_printer { + unsigned int field_id; + void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *); +}; + +struct dpipe_header_printer { + struct dpipe_field_printer *printers; + unsigned int printers_count; + unsigned int header_id; +}; + +static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx, + enum dpipe_value_type type, + void *value) +{ + struct in_addr ip_addr; + + ip_addr.s_addr = htonl(*(uint32_t *)value); + check_indent_newline(ctx->dl); + print_string_name_value(dpipe_value_type_e2s(type), inet_ntoa(ip_addr)); +} + +static void +dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx, + enum dpipe_value_type type, + void *value) +{ + check_indent_newline(ctx->dl); + print_string_name_value(dpipe_value_type_e2s(type), + ether_ntoa((struct ether_addr *)value)); +} + +static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx, + enum dpipe_value_type type, + void *value) +{ + char str[INET6_ADDRSTRLEN]; + + inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN); + check_indent_newline(ctx->dl); + print_string_name_value(dpipe_value_type_e2s(type), str); +} + +static struct dpipe_field_printer dpipe_field_printers_ipv4[] = { + { + .printer = dpipe_field_printer_ipv4_addr, + .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP, + } +}; + +static struct dpipe_header_printer dpipe_header_printer_ipv4 = { + .printers = dpipe_field_printers_ipv4, + .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4), + .header_id = DEVLINK_DPIPE_HEADER_IPV4, +}; + +static struct dpipe_field_printer dpipe_field_printers_ethernet[] = { + { + .printer = dpipe_field_printer_ethernet_addr, + .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC, + }, +}; + +static struct dpipe_header_printer dpipe_header_printer_ethernet = { + .printers = dpipe_field_printers_ethernet, + .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet), + .header_id = DEVLINK_DPIPE_HEADER_ETHERNET, +}; + +static struct dpipe_field_printer dpipe_field_printers_ipv6[] = { + { + .printer = dpipe_field_printer_ipv6_addr, + .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP, + } +}; + +static struct dpipe_header_printer dpipe_header_printer_ipv6 = { + .printers = dpipe_field_printers_ipv6, + .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6), + .header_id = DEVLINK_DPIPE_HEADER_IPV6, +}; + +static struct dpipe_header_printer *dpipe_header_printers[] = { + &dpipe_header_printer_ipv4, + &dpipe_header_printer_ethernet, + &dpipe_header_printer_ipv6, +}; + +static int dpipe_print_prot_header(struct dpipe_ctx *ctx, + struct dpipe_op_info *info, + enum dpipe_value_type type, + void *value) +{ + unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers); + struct dpipe_header_printer *header_printer; + struct dpipe_field_printer *field_printer; + unsigned int field_printers_count; + int j; + int i; + + for (i = 0; i < header_printers_count; i++) { + header_printer = dpipe_header_printers[i]; + if (header_printer->header_id != info->header_id) + continue; + field_printers_count = header_printer->printers_count; + for (j = 0; j < field_printers_count; j++) { + field_printer = &header_printer->printers[j]; + if (field_printer->field_id != info->field_id) + continue; + field_printer->printer(ctx, type, value); + return 0; + } + } + + return -EINVAL; +} + +static void __pr_out_entry_value(struct dpipe_ctx *ctx, + void *value, + unsigned int value_len, + struct dpipe_op_info *info, + enum dpipe_value_type type) +{ + if (info->header_global && + !dpipe_print_prot_header(ctx, info, type, value)) + return; + + if (value_len == sizeof(uint32_t)) { + uint32_t *value_32 = value; + + check_indent_newline(ctx->dl); + print_uint_name_value(dpipe_value_type_e2s(type), *value_32); + } +} + +static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx, + struct nlattr **nla_match_value, + struct dpipe_op_info *info) +{ + void *value, *value_mask; + uint32_t value_mapping; + uint16_t value_len; + bool mask, mapping; + + mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK]; + mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]; + + value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]); + value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]); + + if (mapping) { + value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]); + check_indent_newline(ctx->dl); + print_uint(PRINT_ANY, "mapping_value", "mapping_value %u", value_mapping); + } + + if (mask) { + value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]); + __pr_out_entry_value(ctx, value_mask, value_len, info, + DPIPE_VALUE_TYPE_MASK); + } + + __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE); +} + +static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx, + struct nlattr *nl) +{ + struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {}; + struct dpipe_match match; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] || + !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) { + return -EINVAL; + } + + pr_out_entry_start(ctx->dl); + if (dpipe_match_parse(&match, + nla_match_value[DEVLINK_ATTR_DPIPE_MATCH])) + goto err_match_parse; + pr_out_dpipe_match(&match, ctx); + pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info); + pr_out_entry_end(ctx->dl); + + return 0; + +err_match_parse: + pr_out_entry_end(ctx->dl); + return -EINVAL; +} + +static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx, + struct nlattr *nl) +{ + struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {}; + struct dpipe_action action; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] || + !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) { + return -EINVAL; + } + + pr_out_entry_start(ctx->dl); + if (dpipe_action_parse(&action, + nla_action_value[DEVLINK_ATTR_DPIPE_ACTION])) + goto err_action_parse; + pr_out_dpipe_action(&action, ctx); + pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info); + pr_out_entry_end(ctx->dl); + + return 0; + +err_action_parse: + pr_out_entry_end(ctx->dl); + return -EINVAL; +} + +static int +dpipe_tables_action_values_show(struct dpipe_ctx *ctx, + struct nlattr *nla_action_values) +{ + struct nlattr *nla_action_value; + + mnl_attr_for_each_nested(nla_action_value, nla_action_values) { + if (dpipe_entry_action_value_show(ctx, nla_action_value)) + return -EINVAL; + } + return 0; +} + +static int +dpipe_tables_match_values_show(struct dpipe_ctx *ctx, + struct nlattr *nla_match_values) +{ + struct nlattr *nla_match_value; + + mnl_attr_for_each_nested(nla_match_value, nla_match_values) { + if (dpipe_entry_match_value_show(ctx, nla_match_value)) + return -EINVAL; + } + return 0; +} + +static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl) +{ + struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {}; + uint32_t entry_index; + uint64_t counter; + int err; + + err = mnl_attr_parse_nested(nl, attr_cb, nla_entry); + if (err != MNL_CB_OK) + return -EINVAL; + + if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] || + !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] || + !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) { + return -EINVAL; + } + + check_indent_newline(ctx->dl); + entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]); + print_uint(PRINT_ANY, "index", "index %u", entry_index); + + if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) { + counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]); + print_uint(PRINT_ANY, "counter", " counter %u", counter); + } + + pr_out_array_start(ctx->dl, "match_value"); + if (dpipe_tables_match_values_show(ctx, + nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES])) + goto err_match_values_show; + pr_out_array_end(ctx->dl); + + pr_out_array_start(ctx->dl, "action_value"); + if (dpipe_tables_action_values_show(ctx, + nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES])) + goto err_action_values_show; + pr_out_array_end(ctx->dl); + return 0; + +err_action_values_show: +err_match_values_show: + pr_out_array_end(ctx->dl); + return -EINVAL; +} + +static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb) +{ + struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES]; + struct nlattr *nla_entry; + + mnl_attr_for_each_nested(nla_entry, nla_entries) { + pr_out_handle_start_arr(ctx->dl, tb); + if (dpipe_entry_show(ctx, nla_entry)) + goto err_entry_show; + pr_out_handle_end(ctx->dl); + } + return 0; + +err_entry_show: + pr_out_handle_end(ctx->dl); + return -EINVAL; +} + +static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data) +{ + struct dpipe_ctx *ctx = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_DPIPE_ENTRIES]) + return MNL_CB_ERROR; + + if (dpipe_table_entries_show(ctx, tb)) + return MNL_CB_ERROR; + return MNL_CB_OK; +} + +static int cmd_dpipe_table_dump(struct dl *dl) +{ + struct nlmsghdr *nlh; + struct dpipe_ctx ctx = {}; + uint16_t flags = NLM_F_REQUEST; + int err; + + err = dpipe_ctx_init(&ctx, dl); + if (err) + return err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0); + if (err) + goto out; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags); + dl_opts_put(nlh, dl); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_header_cb, &ctx); + if (err) { + pr_err("error get headers %s\n", strerror(ctx.err)); + goto out; + } + + flags = NLM_F_REQUEST | NLM_F_ACK; + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags); + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "table_entry"); + mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx); + pr_out_section_end(dl); +out: + dpipe_ctx_fini(&ctx); + return err; +} + +static int cmd_dpipe_table(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_dpipe_help(); + return 0; + } else if (dl_argv_match(dl, "show")) { + dl_arg_inc(dl); + return cmd_dpipe_table_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_dpipe_table_set(dl); + } else if (dl_argv_match(dl, "dump")) { + dl_arg_inc(dl); + return cmd_dpipe_table_dump(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_dpipe(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_dpipe_help(); + return 0; + } else if (dl_argv_match(dl, "header")) { + dl_arg_inc(dl); + return cmd_dpipe_header(dl); + } else if (dl_argv_match(dl, "table")) { + dl_arg_inc(dl); + return cmd_dpipe_table(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int +resource_parse(struct resource_ctx *ctx, struct resource *resource, + struct nlattr **nla_resource) +{ + if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] || + !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] || + !nla_resource[DEVLINK_ATTR_RESOURCE_ID] || + !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] || + !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] || + !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] || + !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) { + return -EINVAL; + } + + resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME])); + resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]); + resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]); + resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]); + resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]); + resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]); + resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]); + + if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]) + resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]); + else + resource->size_new = resource->size; + + if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) { + resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]); + resource->occ_valid = true; + } + + if (resource->size_new != resource->size) + ctx->pending_change = true; + + return 0; +} + +static int +resource_get(struct resource_ctx *ctx, struct resource *resource, + struct resource *parent_resource, struct nlattr *nl) +{ + struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *nla_child_resource; + struct nlattr *nla_resources; + bool top = false; + int err; + + if (!resource) { + nla_resources = nl; + top = true; + goto out; + } + + err = mnl_attr_parse_nested(nl, attr_cb, nla_resource); + if (err != MNL_CB_OK) + return -EINVAL; + + err = resource_parse(ctx, resource, nla_resource); + if (err) + return err; + + resource->parent = parent_resource; + if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST]) + return 0; + + resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]); + nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST]; +out: + mnl_attr_for_each_nested(nla_child_resource, nla_resources) { + struct resource *child_resource; + struct list_head *list; + + child_resource = resource_alloc(); + if (!child_resource) + return -ENOMEM; + + if (top) + list = &ctx->resources->resource_list; + else + list = &resource->resource_list; + + list_add_tail(&child_resource->list, list); + err = resource_get(ctx, child_resource, resource, + nla_child_resource); + if (err) + return err; + } + + return 0; +} + +static const char *resource_unit_str_get(enum devlink_resource_unit unit) +{ + switch (unit) { + case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry"; + default: return "<unknown unit>"; + } +} + +static void resource_show(struct resource *resource, + struct resource_ctx *ctx) +{ + struct resource *child_resource; + struct dpipe_table *table; + struct dl *dl = ctx->dl; + bool array = false; + + check_indent_newline(dl); + print_string(PRINT_ANY, "name", "name %s", resource->name); + if (dl->verbose) + resource_path_print(dl, ctx->resources, resource->id); + pr_out_u64(dl, "size", resource->size); + if (resource->size != resource->size_new) + pr_out_u64(dl, "size_new", resource->size_new); + if (resource->occ_valid) + print_uint(PRINT_ANY, "occ", " occ %u", resource->size_occ); + print_string(PRINT_ANY, "unit", " unit %s", + resource_unit_str_get(resource->unit)); + + if (resource->size_min != resource->size_max) { + print_uint(PRINT_ANY, "size_min", " size_min %u", + resource->size_min); + pr_out_u64(dl, "size_max", resource->size_max); + print_uint(PRINT_ANY, "size_gran", " size_gran %u", + resource->size_gran); + } + + list_for_each_entry(table, &ctx->tables->table_list, list) + if (table->resource_id == resource->id && + table->resource_valid) + array = true; + + if (array) + pr_out_array_start(dl, "dpipe_tables"); + else + print_string(PRINT_ANY, "dpipe_tables", " dpipe_tables none", + "none"); + + list_for_each_entry(table, &ctx->tables->table_list, list) { + if (table->resource_id != resource->id || + !table->resource_valid) + continue; + pr_out_entry_start(dl); + check_indent_newline(dl); + print_string(PRINT_ANY, "table_name", "table_name %s", + table->name); + pr_out_entry_end(dl); + } + if (array) + pr_out_array_end(dl); + + if (list_empty(&resource->resource_list)) + return; + + if (ctx->pending_change) { + check_indent_newline(dl); + print_string(PRINT_ANY, "size_valid", "size_valid %s", + resource->size_valid ? "true" : "false"); + } + pr_out_array_start(dl, "resources"); + list_for_each_entry(child_resource, &resource->resource_list, list) { + pr_out_entry_start(dl); + resource_show(child_resource, ctx); + pr_out_entry_end(dl); + } + pr_out_array_end(dl); +} + +static void +resources_show(struct resource_ctx *ctx, struct nlattr **tb) +{ + struct resources *resources = ctx->resources; + struct resource *resource; + + list_for_each_entry(resource, &resources->resource_list, list) { + pr_out_handle_start_arr(ctx->dl, tb); + resource_show(resource, ctx); + pr_out_handle_end(ctx->dl); + } +} + +static int resources_get(struct resource_ctx *ctx, struct nlattr **tb) +{ + return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]); +} + +static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data) +{ + struct resource_ctx *ctx = data; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_RESOURCE_LIST]) + return MNL_CB_ERROR; + + err = resources_get(ctx, tb); + if (err) { + ctx->err = err; + return MNL_CB_ERROR; + } + + if (ctx->print_resources) + resources_show(ctx, tb); + + return MNL_CB_OK; +} + +static int cmd_resource_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + struct dpipe_ctx dpipe_ctx = {}; + struct resource_ctx resource_ctx = {}; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, + NLM_F_REQUEST); + dl_opts_put(nlh, dl); + + err = dpipe_ctx_init(&dpipe_ctx, dl); + if (err) + return err; + + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_dpipe_table_show_cb, + &dpipe_ctx); + if (err) { + pr_err("error get tables %s\n", strerror(dpipe_ctx.err)); + goto out; + } + + err = resource_ctx_init(&resource_ctx, dl); + if (err) + goto out; + + resource_ctx.print_resources = true; + resource_ctx.tables = dpipe_ctx.tables; + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, + NLM_F_REQUEST | NLM_F_ACK); + dl_opts_put(nlh, dl); + pr_out_section_start(dl, "resources"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_resource_dump_cb, + &resource_ctx); + pr_out_section_end(dl); + resource_ctx_fini(&resource_ctx); +out: + dpipe_ctx_fini(&dpipe_ctx); + return err; +} + +static void cmd_resource_help(void) +{ + pr_err("Usage: devlink resource show DEV\n" + " devlink resource set DEV path PATH size SIZE\n"); +} + +static struct resource * +resource_find_by_name(struct list_head *list, char *name) +{ + struct resource *resource; + + list_for_each_entry(resource, list, list) { + if (!strcmp(resource->name, name)) + return resource; + } + return NULL; +} + +static int +resource_path_parse(struct resource_ctx *ctx, const char *resource_path, + uint32_t *p_resource_id, bool *p_resource_valid) +{ + struct resource *resource; + uint32_t resource_id = 0; + char *resource_path_dup; + struct list_head *list; + const char del[] = "/"; + char *resource_name; + + resource_path_dup = strdup(resource_path); + list = &ctx->resources->resource_list; + resource_name = strtok(resource_path_dup, del); + while (resource_name != NULL) { + resource = resource_find_by_name(list, resource_name); + if (!resource) + goto err_resource_lookup; + + list = &resource->resource_list; + resource_name = strtok(NULL, del); + resource_id = resource->id; + } + free(resource_path_dup); + *p_resource_valid = true; + *p_resource_id = resource_id; + return 0; + +err_resource_lookup: + free(resource_path_dup); + return -EINVAL; +} + +static int cmd_resource_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + struct resource_ctx ctx = {}; + int err; + + err = resource_ctx_init(&ctx, dl); + if (err) + return err; + + ctx.print_resources = false; + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH | + DL_OPT_RESOURCE_SIZE, 0); + if (err) + goto out; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, + NLM_F_REQUEST); + dl_opts_put(nlh, dl); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_resource_dump_cb, &ctx); + if (err) { + pr_err("error getting resources %s\n", strerror(ctx.err)); + goto out; + } + + err = resource_path_parse(&ctx, dl->opts.resource_path, + &dl->opts.resource_id, + &dl->opts.resource_id_valid); + if (err) { + pr_err("error parsing resource path %s\n", strerror(-err)); + goto out; + } + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_RESOURCE_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +out: + resource_ctx_fini(&ctx); + return err; +} + +static int cmd_resource(struct dl *dl) +{ + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + cmd_resource_help(); + return 0; + } else if (dl_argv_match(dl, "show")) { + dl_arg_inc(dl); + return cmd_resource_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_resource_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb) +{ + const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); + const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); + const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]); + char buf[256]; + + snprintf(buf, sizeof(buf), "%s/%s/%s", bus_name, dev_name, region_name); + if (dl->json_output) + open_json_object(buf); + else + pr_out("%s:", buf); +} + +static void pr_out_region_handle_end(struct dl *dl) +{ + if (dl->json_output) + close_json_object(); + else + pr_out("\n"); +} + +static void pr_out_region_snapshots_start(struct dl *dl, bool array) +{ + __pr_out_indent_newline(dl); + if (dl->json_output) + open_json_array(PRINT_JSON, "snapshot"); + else + pr_out("snapshot %s", array ? "[" : ""); +} + +static void pr_out_region_snapshots_end(struct dl *dl, bool array) +{ + if (dl->json_output) + close_json_array(PRINT_JSON, NULL); + else if (array) + pr_out("]"); +} + +static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index) +{ + uint32_t snapshot_id; + + if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) + return; + + snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]); + + if (dl->json_output) + print_uint(PRINT_JSON, NULL, NULL, snapshot_id); + else + pr_out("%s%u", index ? " " : "", snapshot_id); +} + +static void pr_out_snapshots(struct dl *dl, struct nlattr **tb) +{ + struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *nla_sanpshot; + int err, index = 0; + + pr_out_region_snapshots_start(dl, true); + mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) { + err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot); + if (err != MNL_CB_OK) + return; + pr_out_region_snapshots_id(dl, tb_snapshot, index++); + } + pr_out_region_snapshots_end(dl, true); +} + +static void pr_out_snapshot(struct dl *dl, struct nlattr **tb) +{ + pr_out_region_snapshots_start(dl, false); + pr_out_region_snapshots_id(dl, tb, 0); + pr_out_region_snapshots_end(dl, false); +} + +static void pr_out_region(struct dl *dl, struct nlattr **tb) +{ + pr_out_region_handle_start(dl, tb); + + if (tb[DEVLINK_ATTR_REGION_SIZE]) + pr_out_u64(dl, "size", + mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE])); + + if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) + pr_out_snapshots(dl, tb); + + if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) + pr_out_snapshot(dl, tb); + + if (tb[DEVLINK_ATTR_REGION_MAX_SNAPSHOTS]) + pr_out_u64(dl, "max", + mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_MAX_SNAPSHOTS])); + + pr_out_region_handle_end(dl); +} + +static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE]) + return MNL_CB_ERROR; + + pr_out_region(dl, tb); + + return MNL_CB_OK; +} + +static int cmd_region_show(struct dl *dl) +{ + struct nlmsghdr *nlh; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_REGION_GET, + DL_OPT_HANDLE_REGION, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "regions"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_show_cb, dl); + pr_out_section_end(dl); + return err; +} + +static int cmd_region_snapshot_del(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION | + DL_OPT_REGION_SNAPSHOT_ID, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_DEL, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr; + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {}; + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_REGION_CHUNKS]) + return MNL_CB_ERROR; + + mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) { + err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field); + if (err != MNL_CB_OK) + return MNL_CB_ERROR; + + nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA]; + if (!nla_chunk_data) + continue; + + nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR]; + if (!nla_chunk_addr) + continue; + + pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data), + mnl_attr_get_payload_len(nla_chunk_data), + mnl_attr_get_u64(nla_chunk_addr)); + } + return MNL_CB_OK; +} + +static int cmd_region_dump(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, + DL_OPT_HANDLE_REGION | DL_OPT_REGION_SNAPSHOT_ID, + 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_READ, + NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "dump"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_read_cb, dl); + pr_out_section_end(dl); + if (!dl->json_output) + pr_out("\n"); + return err; +} + +static int cmd_region_read(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION | DL_OPT_REGION_ADDRESS | + DL_OPT_REGION_LENGTH, + DL_OPT_REGION_SNAPSHOT_ID); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_READ, + NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); + + dl_opts_put(nlh, dl); + + /* If user didn't provide a snapshot id, perform a direct read */ + if (!(dl->opts.present & DL_OPT_REGION_SNAPSHOT_ID)) + mnl_attr_put(nlh, DEVLINK_ATTR_REGION_DIRECT, 0, NULL); + + pr_out_section_start(dl, "read"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_read_cb, dl); + pr_out_section_end(dl); + if (!dl->json_output) + pr_out("\n"); + return err; +} + +static int cmd_region_snapshot_new_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_REGION_NAME] || + !tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) + return MNL_CB_ERROR; + + pr_out_region(dl, tb); + + return MNL_CB_OK; +} + +static int cmd_region_snapshot_new(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE_REGION, + DL_OPT_REGION_SNAPSHOT_ID); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_REGION_NEW, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "regions"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_region_snapshot_new_cb, dl); + pr_out_section_end(dl); + return err; +} + +static void cmd_region_help(void) +{ + pr_err("Usage: devlink region show [ DEV/REGION ]\n"); + pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n"); + pr_err(" devlink region new DEV/REGION [ snapshot SNAPSHOT_ID ]\n"); + pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n"); + pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n"); +} + +static int cmd_region(struct dl *dl) +{ + if (dl_no_arg(dl)) { + return cmd_region_show(dl); + } else if (dl_argv_match(dl, "help")) { + cmd_region_help(); + return 0; + } else if (dl_argv_match(dl, "show")) { + dl_arg_inc(dl); + return cmd_region_show(dl); + } else if (dl_argv_match(dl, "del")) { + dl_arg_inc(dl); + return cmd_region_snapshot_del(dl); + } else if (dl_argv_match(dl, "dump")) { + dl_arg_inc(dl); + return cmd_region_dump(dl); + } else if (dl_argv_match(dl, "read")) { + dl_arg_inc(dl); + return cmd_region_read(dl); + } else if (dl_argv_match(dl, "new")) { + dl_arg_inc(dl); + return cmd_region_snapshot_new(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_health_set_params(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_SET, + NLM_F_REQUEST | NLM_F_ACK); + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, + DL_OPT_HEALTH_REPORTER_GRACEFUL_PERIOD | + DL_OPT_HEALTH_REPORTER_AUTO_RECOVER | + DL_OPT_HEALTH_REPORTER_AUTO_DUMP); + if (err) + return err; + + dl_opts_put(nlh, dl); + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_health_dump_clear(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | + DL_OPT_HEALTH_REPORTER_NAME, + 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_DUMP_CLEAR, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + dl_opts_put(nlh, dl); + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int fmsg_value_show(struct dl *dl, int type, struct nlattr *nl_data) +{ + const char *num_fmt = dl->hex ? "%#x" : "%u"; + const char *num64_fmt = dl->hex ? "%#"PRIx64 : "%"PRIu64; + uint8_t *data; + uint32_t len; + + check_indent_newline(dl); + switch (type) { + case MNL_TYPE_FLAG: + print_bool(PRINT_ANY, NULL, "%s", mnl_attr_get_u8(nl_data)); + break; + case MNL_TYPE_U8: + print_uint(PRINT_ANY, NULL, num_fmt, mnl_attr_get_u8(nl_data)); + break; + case MNL_TYPE_U16: + print_uint(PRINT_ANY, NULL, num_fmt, mnl_attr_get_u16(nl_data)); + break; + case MNL_TYPE_U32: + print_uint(PRINT_ANY, NULL, num_fmt, mnl_attr_get_u32(nl_data)); + break; + case MNL_TYPE_U64: + print_u64(PRINT_ANY, NULL, num64_fmt, mnl_attr_get_u64(nl_data)); + break; + case MNL_TYPE_NUL_STRING: + print_string(PRINT_ANY, NULL, "%s", mnl_attr_get_str(nl_data)); + break; + case MNL_TYPE_BINARY: + len = mnl_attr_get_payload_len(nl_data); + data = mnl_attr_get_payload(nl_data); + pr_out_binary_value(dl, data, len); + break; + default: + return -EINVAL; + } + return MNL_CB_OK; +} + +static void pr_out_fmsg_name(struct dl *dl, char **name) +{ + if (!*name) + return; + + pr_out_name(dl, *name); + free(*name); + *name = NULL; +} + +struct nest_entry { + int attr_type; + struct list_head list; +}; + +struct fmsg_cb_data { + char *name; + struct dl *dl; + uint8_t value_type; + struct list_head entry_list; +}; + +static int cmd_fmsg_nest_queue(struct fmsg_cb_data *fmsg_data, + uint8_t *attr_value, bool insert) +{ + struct nest_entry *entry; + + if (insert) { + entry = malloc(sizeof(struct nest_entry)); + if (!entry) + return -ENOMEM; + + entry->attr_type = *attr_value; + list_add(&entry->list, &fmsg_data->entry_list); + } else { + if (list_empty(&fmsg_data->entry_list)) + return MNL_CB_ERROR; + entry = list_first_entry(&fmsg_data->entry_list, + struct nest_entry, list); + *attr_value = entry->attr_type; + list_del(&entry->list); + free(entry); + } + return MNL_CB_OK; +} + +static void pr_out_fmsg_group_start(struct dl *dl, char **name) +{ + __pr_out_newline(); + pr_out_fmsg_name(dl, name); + __pr_out_newline(); + __pr_out_indent_inc(); +} + +static void pr_out_fmsg_group_end(struct dl *dl) +{ + __pr_out_newline(); + __pr_out_indent_dec(); +} + +static void pr_out_fmsg_start_object(struct dl *dl, char **name) +{ + if (dl->json_output) { + pr_out_fmsg_name(dl, name); + open_json_object(NULL); + } else { + pr_out_fmsg_group_start(dl, name); + } +} + +static void pr_out_fmsg_end_object(struct dl *dl) +{ + if (dl->json_output) + close_json_object(); + else + pr_out_fmsg_group_end(dl); +} + +static void pr_out_fmsg_start_array(struct dl *dl, char **name) +{ + if (dl->json_output) { + pr_out_fmsg_name(dl, name); + open_json_array(PRINT_JSON, NULL); + } else { + pr_out_fmsg_group_start(dl, name); + } +} + +static void pr_out_fmsg_end_array(struct dl *dl) +{ + if (dl->json_output) + close_json_array(PRINT_JSON, NULL); + else + pr_out_fmsg_group_end(dl); +} + +static int cmd_fmsg_nest(struct fmsg_cb_data *fmsg_data, uint8_t nest_value, + bool start) +{ + struct dl *dl = fmsg_data->dl; + uint8_t value = nest_value; + int err; + + err = cmd_fmsg_nest_queue(fmsg_data, &value, start); + if (err != MNL_CB_OK) + return err; + + switch (value) { + case DEVLINK_ATTR_FMSG_OBJ_NEST_START: + if (start) + pr_out_fmsg_start_object(dl, &fmsg_data->name); + else + pr_out_fmsg_end_object(dl); + break; + case DEVLINK_ATTR_FMSG_PAIR_NEST_START: + break; + case DEVLINK_ATTR_FMSG_ARR_NEST_START: + if (start) + pr_out_fmsg_start_array(dl, &fmsg_data->name); + else + pr_out_fmsg_end_array(dl); + break; + default: + return -EINVAL; + } + return MNL_CB_OK; +} + +static int cmd_fmsg_object_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct fmsg_cb_data *fmsg_data = data; + struct dl *dl = fmsg_data->dl; + struct nlattr *nla_object; + int attr_type; + int err; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_FMSG]) + return MNL_CB_ERROR; + + mnl_attr_for_each_nested(nla_object, tb[DEVLINK_ATTR_FMSG]) { + attr_type = mnl_attr_get_type(nla_object); + switch (attr_type) { + case DEVLINK_ATTR_FMSG_OBJ_NEST_START: + case DEVLINK_ATTR_FMSG_PAIR_NEST_START: + case DEVLINK_ATTR_FMSG_ARR_NEST_START: + err = cmd_fmsg_nest(fmsg_data, attr_type, true); + if (err != MNL_CB_OK) + return err; + break; + case DEVLINK_ATTR_FMSG_NEST_END: + err = cmd_fmsg_nest(fmsg_data, attr_type, false); + if (err != MNL_CB_OK) + return err; + break; + case DEVLINK_ATTR_FMSG_OBJ_NAME: + free(fmsg_data->name); + fmsg_data->name = strdup(mnl_attr_get_str(nla_object)); + if (!fmsg_data->name) + return -ENOMEM; + break; + case DEVLINK_ATTR_FMSG_OBJ_VALUE_TYPE: + fmsg_data->value_type = mnl_attr_get_u8(nla_object); + break; + case DEVLINK_ATTR_FMSG_OBJ_VALUE_DATA: + pr_out_fmsg_name(dl, &fmsg_data->name); + err = fmsg_value_show(dl, fmsg_data->value_type, + nla_object); + if (err != MNL_CB_OK) + return err; + break; + default: + return -EINVAL; + } + } + return MNL_CB_OK; +} + +static void cmd_fmsg_init(struct dl *dl, struct fmsg_cb_data *data) +{ + /* FMSG is dynamic: opening of an object or array causes a + * newline. JSON starts with an { or [, but plain text should + * not start with a new line. Ensure this by setting + * g_new_line_count to 1: avoiding newline before the first + * print. + */ + g_new_line_count = 1; + data->name = NULL; + data->dl = dl; + INIT_LIST_HEAD(&data->entry_list); +} + +static int cmd_health_object_common(struct dl *dl, uint8_t cmd, uint16_t flags) +{ + struct fmsg_cb_data data; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, + DL_OPT_HANDLE | DL_OPT_HANDLEP | DL_OPT_HEALTH_REPORTER_NAME, + 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, cmd, flags | NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + cmd_fmsg_init(dl, &data); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_fmsg_object_cb, &data); + free(data.name); + return err; +} + +static int cmd_health_dump_show(struct dl *dl) +{ + return cmd_health_object_common(dl, + DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET, + NLM_F_DUMP); +} + +static int cmd_health_diagnose(struct dl *dl) +{ + return cmd_health_object_common(dl, + DEVLINK_CMD_HEALTH_REPORTER_DIAGNOSE, + 0); +} + +static int cmd_health_test(struct dl *dl) +{ + return cmd_health_object_common(dl, + DEVLINK_CMD_HEALTH_REPORTER_TEST, + 0); +} + +static int cmd_health_recover(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP | + DL_OPT_HEALTH_REPORTER_NAME, + 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_RECOVER, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + dl_opts_put(nlh, dl); + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +enum devlink_health_reporter_state { + DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, + DEVLINK_HEALTH_REPORTER_STATE_ERROR, +}; + +static const char *health_state_name(uint8_t state) +{ + switch (state) { + case DEVLINK_HEALTH_REPORTER_STATE_HEALTHY: + return HEALTH_REPORTER_STATE_HEALTHY_STR; + case DEVLINK_HEALTH_REPORTER_STATE_ERROR: + return HEALTH_REPORTER_STATE_ERROR_STR; + default: + return "<unknown state>"; + } +} + +static void pr_out_dump_reporter_format_logtime(struct dl *dl, const struct nlattr *attr) +{ + char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; + char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; + uint64_t time_ms = mnl_attr_get_u64(attr); + struct sysinfo s_info; + struct tm *info; + time_t now, sec; + int err; + + time(&now); + info = localtime(&now); + err = sysinfo(&s_info); + if (err) + goto out; + /* Subtract uptime in sec from now yields the time of system + * uptime. To this, add time_ms which is the amount of + * milliseconds elapsed between uptime and the dump taken. + */ + sec = now - s_info.uptime + time_ms / 1000; + info = localtime(&sec); +out: + strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", info); + strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", info); + check_indent_newline(dl); + print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date); + print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time); +} + +static void pr_out_dump_report_timestamp(struct dl *dl, const struct nlattr *attr) +{ + char dump_date[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; + char dump_time[HEALTH_REPORTER_TIMESTAMP_FMT_LEN]; + time_t tv_sec; + struct tm *tm; + uint64_t ts; + + ts = mnl_attr_get_u64(attr); + tv_sec = ts / 1000000000; + tm = localtime(&tv_sec); + + strftime(dump_date, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%Y-%m-%d", tm); + strftime(dump_time, HEALTH_REPORTER_TIMESTAMP_FMT_LEN, "%H:%M:%S", tm); + + check_indent_newline(dl); + print_string(PRINT_ANY, "last_dump_date", "last_dump_date %s", dump_date); + print_string(PRINT_ANY, "last_dump_time", " last_dump_time %s", dump_time); +} + +static void pr_out_health(struct dl *dl, struct nlattr **tb_health, + bool print_device, bool print_port) +{ + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + enum devlink_health_reporter_state state; + int err; + + err = mnl_attr_parse_nested(tb_health[DEVLINK_ATTR_HEALTH_REPORTER], + attr_cb, tb); + if (err != MNL_CB_OK) + return; + + if (!tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME] || + !tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT] || + !tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] || + !tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]) + return; + + if (!print_device && !print_port) + return; + if (print_port) { + if (!print_device && !tb_health[DEVLINK_ATTR_PORT_INDEX]) + return; + else if (tb_health[DEVLINK_ATTR_PORT_INDEX]) + pr_out_port_handle_start_arr(dl, tb_health, false); + } + if (print_device) { + if (!print_port && tb_health[DEVLINK_ATTR_PORT_INDEX]) + return; + else if (!tb_health[DEVLINK_ATTR_PORT_INDEX]) + pr_out_handle_start_arr(dl, tb_health); + } + + check_indent_newline(dl); + print_string(PRINT_ANY, "reporter", "reporter %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_HEALTH_REPORTER_NAME])); + if (!dl->json_output) { + __pr_out_newline(); + __pr_out_indent_inc(); + } + state = mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_STATE]); + check_indent_newline(dl); + print_string(PRINT_ANY, "state", "state %s", health_state_name(state)); + pr_out_u64(dl, "error", + mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_ERR_COUNT])); + pr_out_u64(dl, "recover", + mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT])); + if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]) + pr_out_dump_report_timestamp(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS_NS]); + else if (tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]) + pr_out_dump_reporter_format_logtime(dl, tb[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS]); + if (tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD]) + pr_out_u64(dl, "grace_period", + mnl_attr_get_u64(tb[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD])); + if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER]) + print_bool(PRINT_ANY, "auto_recover", " auto_recover %s", + mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_RECOVER])); + if (tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP]) + print_bool(PRINT_ANY, "auto_dump", " auto_dump %s", + mnl_attr_get_u8(tb[DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP])); + + __pr_out_indent_dec(); + pr_out_handle_end(dl); +} + +struct health_ctx { + struct dl *dl; + bool show_device; + bool show_port; +}; + +static int cmd_health_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct health_ctx *ctx = data; + struct dl *dl = ctx->dl; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_HEALTH_REPORTER]) + return MNL_CB_ERROR; + + pr_out_health(dl, tb, ctx->show_device, ctx->show_port); + + return MNL_CB_OK; +} + +static int __cmd_health_show(struct dl *dl, bool show_device, bool show_port) +{ + struct nlmsghdr *nlh; + struct health_ctx ctx = { dl, show_device, show_port }; + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, + DEVLINK_CMD_HEALTH_REPORTER_GET, + DL_OPT_HANDLE | DL_OPT_HANDLEP | + DL_OPT_HEALTH_REPORTER_NAME, 0, + DL_OPT_HANDLE | DL_OPT_HANDLEP, 0); + if (err) + return err; + + if (!(flags & NLM_F_DUMP)) + ctx.show_port = true; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_HEALTH_REPORTER_GET, + flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "health"); + + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_health_show_cb, &ctx); + pr_out_section_end(dl); + return err; +} + +static void cmd_health_help(void) +{ + pr_err("Usage: devlink health show [ { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME ]\n"); + pr_err(" devlink health recover { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); + pr_err(" devlink health diagnose { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); + pr_err(" devlink health test { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); + pr_err(" devlink health dump show { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); + pr_err(" devlink health dump clear { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); + pr_err(" devlink health set { DEV | DEV/PORT_INDEX } reporter REPORTER_NAME\n"); + pr_err(" [ grace_period MSEC ]\n"); + pr_err(" [ auto_recover { true | false } ]\n"); + pr_err(" [ auto_dump { true | false } ]\n"); +} + +static int cmd_health_dump(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_health_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_health_dump_show(dl); + } else if (dl_argv_match(dl, "clear")) { + dl_arg_inc(dl); + return cmd_health_dump_clear(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_health(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_health_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return __cmd_health_show(dl, true, true); + } else if (dl_argv_match(dl, "recover")) { + dl_arg_inc(dl); + return cmd_health_recover(dl); + } else if (dl_argv_match(dl, "diagnose")) { + dl_arg_inc(dl); + return cmd_health_diagnose(dl); + } else if (dl_argv_match(dl, "test")) { + dl_arg_inc(dl); + return cmd_health_test(dl); + } else if (dl_argv_match(dl, "dump")) { + dl_arg_inc(dl); + return cmd_health_dump(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_health_set_params(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static const char *trap_type_name(uint8_t type) +{ + switch (type) { + case DEVLINK_TRAP_TYPE_DROP: + return "drop"; + case DEVLINK_TRAP_TYPE_EXCEPTION: + return "exception"; + case DEVLINK_TRAP_TYPE_CONTROL: + return "control"; + default: + return "<unknown type>"; + } +} + +static const char *trap_action_name(uint8_t action) +{ + switch (action) { + case DEVLINK_TRAP_ACTION_DROP: + return "drop"; + case DEVLINK_TRAP_ACTION_TRAP: + return "trap"; + case DEVLINK_TRAP_ACTION_MIRROR: + return "mirror"; + default: + return "<unknown action>"; + } +} + +static const char *trap_metadata_name(const struct nlattr *attr) +{ + switch (attr->nla_type) { + case DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT: + return "input_port"; + case DEVLINK_ATTR_TRAP_METADATA_TYPE_FA_COOKIE: + return "flow_action_cookie"; + default: + return "<unknown metadata type>"; + } +} +static void pr_out_trap_metadata(struct dl *dl, struct nlattr *attr) +{ + struct nlattr *attr_metadata; + + pr_out_array_start(dl, "metadata"); + mnl_attr_for_each_nested(attr_metadata, attr) { + check_indent_newline(dl); + print_string(PRINT_ANY, NULL, "%s", + trap_metadata_name(attr_metadata)); + } + pr_out_array_end(dl); +} + +static void pr_out_trap(struct dl *dl, struct nlattr **tb, bool array) +{ + uint8_t action = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_ACTION]); + uint8_t type = mnl_attr_get_u8(tb[DEVLINK_ATTR_TRAP_TYPE]); + + if (array) + pr_out_handle_start_arr(dl, tb); + else + __pr_out_handle_start(dl, tb, true, false); + + check_indent_newline(dl); + print_string(PRINT_ANY, "name", "name %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_NAME])); + print_string(PRINT_ANY, "type", " type %s", trap_type_name(type)); + print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]); + print_string(PRINT_ANY, "action", " action %s", trap_action_name(action)); + print_string(PRINT_ANY, "group", " group %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME])); + if (dl->verbose) + pr_out_trap_metadata(dl, tb[DEVLINK_ATTR_TRAP_METADATA]); + pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]); + pr_out_handle_end(dl); +} + +static int cmd_trap_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_TRAP_NAME] || !tb[DEVLINK_ATTR_TRAP_TYPE] || + !tb[DEVLINK_ATTR_TRAP_ACTION] || + !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || + !tb[DEVLINK_ATTR_TRAP_METADATA] || !tb[DEVLINK_ATTR_STATS]) + return MNL_CB_ERROR; + + pr_out_trap(dl, tb, true); + + return MNL_CB_OK; +} + +static void cmd_trap_help(void) +{ + pr_err("Usage: devlink trap set DEV trap TRAP [ action { trap | drop | mirror } ]\n"); + pr_err(" devlink trap show [ DEV trap TRAP ]\n"); + pr_err(" devlink trap group set DEV group GROUP [ action { trap | drop | mirror } ]\n"); + pr_err(" [ policer POLICER ] [ nopolicer ]\n"); + pr_err(" devlink trap group show [ DEV group GROUP ]\n"); + pr_err(" devlink trap policer set DEV policer POLICER [ rate RATE ] [ burst BURST ]\n"); + pr_err(" devlink trap policer show DEV policer POLICER\n"); +} + +static int cmd_trap_show(struct dl *dl) +{ + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, DEVLINK_CMD_TRAP_GET, + DL_OPT_HANDLE | DL_OPT_TRAP_NAME, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "trap"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_trap_show_cb, dl); + pr_out_section_end(dl); + + return err; +} + +static int cmd_trap_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_TRAP_NAME, + DL_OPT_TRAP_ACTION); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static void pr_out_trap_group(struct dl *dl, struct nlattr **tb, bool array) +{ + if (array) + pr_out_handle_start_arr(dl, tb); + else + __pr_out_handle_start(dl, tb, true, false); + + check_indent_newline(dl); + print_string(PRINT_ANY, "name", "name %s", + mnl_attr_get_str(tb[DEVLINK_ATTR_TRAP_GROUP_NAME])); + print_bool(PRINT_ANY, "generic", " generic %s", !!tb[DEVLINK_ATTR_TRAP_GENERIC]); + if (tb[DEVLINK_ATTR_TRAP_POLICER_ID]) + print_uint(PRINT_ANY, "policer", " policer %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_TRAP_POLICER_ID])); + pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]); + pr_out_handle_end(dl); +} + +static int cmd_trap_group_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_TRAP_GROUP_NAME] || !tb[DEVLINK_ATTR_STATS]) + return MNL_CB_ERROR; + + pr_out_trap_group(dl, tb, true); + + return MNL_CB_OK; +} + +static int cmd_trap_group_show(struct dl *dl) +{ + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, + DEVLINK_CMD_TRAP_GROUP_GET, + DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GROUP_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "trap_group"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_trap_group_show_cb, dl); + pr_out_section_end(dl); + + return err; +} + +static int cmd_trap_group_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_TRAP_GROUP_NAME, + DL_OPT_TRAP_ACTION | DL_OPT_TRAP_POLICER_ID); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_GROUP_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_trap_group(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_trap_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_trap_group_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_trap_group_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void pr_out_trap_policer(struct dl *dl, struct nlattr **tb, bool array) +{ + if (array) + pr_out_handle_start_arr(dl, tb); + else + __pr_out_handle_start(dl, tb, true, false); + + check_indent_newline(dl); + print_uint(PRINT_ANY, "policer", "policer %u", + mnl_attr_get_u32(tb[DEVLINK_ATTR_TRAP_POLICER_ID])); + print_u64(PRINT_ANY, "rate", " rate %llu", + mnl_attr_get_u64(tb[DEVLINK_ATTR_TRAP_POLICER_RATE])); + print_u64(PRINT_ANY, "burst", " burst %llu", + mnl_attr_get_u64(tb[DEVLINK_ATTR_TRAP_POLICER_BURST])); + if (tb[DEVLINK_ATTR_STATS]) + pr_out_stats(dl, tb[DEVLINK_ATTR_STATS]); + pr_out_handle_end(dl); +} + +static int cmd_trap_policer_show_cb(const struct nlmsghdr *nlh, void *data) +{ + struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); + struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; + struct dl *dl = data; + + mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); + if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || + !tb[DEVLINK_ATTR_TRAP_POLICER_ID] || + !tb[DEVLINK_ATTR_TRAP_POLICER_RATE] || + !tb[DEVLINK_ATTR_TRAP_POLICER_BURST]) + return MNL_CB_ERROR; + + pr_out_trap_policer(dl, tb, true); + + return MNL_CB_OK; +} + +static int cmd_trap_policer_show(struct dl *dl) +{ + uint16_t flags = NLM_F_REQUEST | NLM_F_ACK; + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse_with_selector(dl, &flags, + DEVLINK_CMD_TRAP_POLICER_GET, + DL_OPT_HANDLE | DL_OPT_TRAP_POLICER_ID, 0, + DL_OPT_HANDLE, 0); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_POLICER_GET, flags); + + dl_opts_put(nlh, dl); + + pr_out_section_start(dl, "trap_policer"); + err = mnlu_gen_socket_sndrcv(&dl->nlg, nlh, cmd_trap_policer_show_cb, dl); + pr_out_section_end(dl); + + return err; +} + +static int cmd_trap_policer_set(struct dl *dl) +{ + struct nlmsghdr *nlh; + int err; + + err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_TRAP_POLICER_ID, + DL_OPT_TRAP_POLICER_RATE | DL_OPT_TRAP_POLICER_BURST); + if (err) + return err; + + nlh = mnlu_gen_socket_cmd_prepare(&dl->nlg, DEVLINK_CMD_TRAP_POLICER_SET, + NLM_F_REQUEST | NLM_F_ACK); + + dl_opts_put(nlh, dl); + + return mnlu_gen_socket_sndrcv(&dl->nlg, nlh, NULL, NULL); +} + +static int cmd_trap_policer(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_trap_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_trap_policer_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_trap_policer_set(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int cmd_trap(struct dl *dl) +{ + if (dl_argv_match(dl, "help")) { + cmd_trap_help(); + return 0; + } else if (dl_argv_match(dl, "show") || + dl_argv_match(dl, "list") || dl_no_arg(dl)) { + dl_arg_inc(dl); + return cmd_trap_show(dl); + } else if (dl_argv_match(dl, "set")) { + dl_arg_inc(dl); + return cmd_trap_set(dl); + } else if (dl_argv_match(dl, "group")) { + dl_arg_inc(dl); + return cmd_trap_group(dl); + } else if (dl_argv_match(dl, "policer")) { + dl_arg_inc(dl); + return cmd_trap_policer(dl); + } + pr_err("Command \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static void help(void) +{ + pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n" + " devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname\n" + "where OBJECT := { dev | port | lc | sb | monitor | dpipe | resource | region | health | trap }\n" + " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] -[he]x }\n"); +} + +static int dl_cmd(struct dl *dl, int argc, char **argv) +{ + dl->argc = argc; + dl->argv = argv; + + if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { + help(); + return 0; + } else if (dl_argv_match(dl, "dev")) { + dl_arg_inc(dl); + return cmd_dev(dl); + } else if (dl_argv_match(dl, "port")) { + dl_arg_inc(dl); + return cmd_port(dl); + } else if (dl_argv_match(dl, "sb")) { + dl_arg_inc(dl); + return cmd_sb(dl); + } else if (dl_argv_match(dl, "monitor")) { + dl_arg_inc(dl); + return cmd_mon(dl); + } else if (dl_argv_match(dl, "dpipe")) { + dl_arg_inc(dl); + return cmd_dpipe(dl); + } else if (dl_argv_match(dl, "resource")) { + dl_arg_inc(dl); + return cmd_resource(dl); + } else if (dl_argv_match(dl, "region")) { + dl_arg_inc(dl); + return cmd_region(dl); + } else if (dl_argv_match(dl, "health")) { + dl_arg_inc(dl); + return cmd_health(dl); + } else if (dl_argv_match(dl, "trap")) { + dl_arg_inc(dl); + return cmd_trap(dl); + } else if (dl_argv_match(dl, "lc")) { + dl_arg_inc(dl); + return cmd_linecard(dl); + } + pr_err("Object \"%s\" not found\n", dl_argv(dl)); + return -ENOENT; +} + +static int dl_init(struct dl *dl) +{ + int err; + + err = mnlu_gen_socket_open(&dl->nlg, DEVLINK_GENL_NAME, + DEVLINK_GENL_VERSION); + if (err) { + pr_err("Failed to connect to devlink Netlink\n"); + return -errno; + } + + ifname_map_init(dl); + + new_json_obj_plain(dl->json_output); + return 0; +} + +static void dl_fini(struct dl *dl) +{ + delete_json_obj_plain(); + ifname_map_fini(dl); + mnlu_gen_socket_close(&dl->nlg); +} + +static struct dl *dl_alloc(void) +{ + struct dl *dl; + + dl = calloc(1, sizeof(*dl)); + if (!dl) + return NULL; + return dl; +} + +static void dl_free(struct dl *dl) +{ + free(dl->handle_argv); + free(dl); +} + +static int dl_batch_cmd(int argc, char *argv[], void *data) +{ + struct dl *dl = data; + + return dl_cmd(dl, argc, argv); +} + +static int dl_batch(struct dl *dl, const char *name, bool force) +{ + return do_batch(name, force, dl_batch_cmd, dl); +} + +int main(int argc, char **argv) +{ + static const struct option long_options[] = { + { "Version", no_argument, NULL, 'V' }, + { "force", no_argument, NULL, 'f' }, + { "batch", required_argument, NULL, 'b' }, + { "no-nice-names", no_argument, NULL, 'n' }, + { "json", no_argument, NULL, 'j' }, + { "pretty", no_argument, NULL, 'p' }, + { "verbose", no_argument, NULL, 'v' }, + { "statistics", no_argument, NULL, 's' }, + { "Netns", required_argument, NULL, 'N' }, + { "iec", no_argument, NULL, 'i' }, + { "hex", no_argument, NULL, 'x' }, + { NULL, 0, NULL, 0 } + }; + const char *batch_file = NULL; + bool force = false; + struct dl *dl; + int opt; + int err; + int ret; + + dl = dl_alloc(); + if (!dl) { + pr_err("Failed to allocate memory for devlink\n"); + return EXIT_FAILURE; + } + + while ((opt = getopt_long(argc, argv, "Vfb:njpvsN:ix", + long_options, NULL)) >= 0) { + + switch (opt) { + case 'V': + printf("devlink utility, iproute2-%s\n", version); + ret = EXIT_SUCCESS; + goto dl_free; + case 'f': + force = true; + break; + case 'b': + batch_file = optarg; + break; + case 'n': + dl->no_nice_names = true; + break; + case 'j': + dl->json_output = true; + break; + case 'p': + pretty = true; + break; + case 'v': + dl->verbose = true; + break; + case 's': + dl->stats = true; + break; + case 'N': + if (netns_switch(optarg)) { + ret = EXIT_FAILURE; + goto dl_free; + } + break; + case 'i': + dl->use_iec = true; + break; + case 'x': + dl->hex = true; + break; + default: + pr_err("Unknown option.\n"); + help(); + ret = EXIT_FAILURE; + goto dl_free; + } + } + + argc -= optind; + argv += optind; + + err = dl_init(dl); + if (err) { + ret = EXIT_FAILURE; + goto dl_free; + } + + if (batch_file) + err = dl_batch(dl, batch_file, force); + else + err = dl_cmd(dl, argc, argv); + + if (err) { + ret = EXIT_FAILURE; + goto dl_fini; + } + + ret = EXIT_SUCCESS; + +dl_fini: + dl_fini(dl); +dl_free: + dl_free(dl); + + return ret; +} |