diff options
Diffstat (limited to 'ip/iplink_bond_slave.c')
| -rw-r--r-- | ip/iplink_bond_slave.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/ip/iplink_bond_slave.c b/ip/iplink_bond_slave.c new file mode 100644 index 0000000..ad68750 --- /dev/null +++ b/ip/iplink_bond_slave.c @@ -0,0 +1,195 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * iplink_bond_slave.c Bonding slave device support + * + * Authors: Jiri Pirko <jiri@resnulli.us> + */ + +#include <stdio.h> +#include <sys/socket.h> +#include <linux/if_bonding.h> + +#include "rt_names.h" +#include "utils.h" +#include "ip_common.h" + +static void print_explain(FILE *f) +{ + fprintf(f, "Usage: ... bond_slave [ queue_id ID ] [ prio PRIORITY ]\n"); +} + +static void explain(void) +{ + print_explain(stderr); +} + +static const char *slave_states[] = { + [BOND_STATE_ACTIVE] = "ACTIVE", + [BOND_STATE_BACKUP] = "BACKUP", +}; + +static void print_slave_state(FILE *f, struct rtattr *tb) +{ + unsigned int state = rta_getattr_u8(tb); + + if (state >= ARRAY_SIZE(slave_states)) + print_int(PRINT_ANY, "state_index", "state %d ", state); + else + print_string(PRINT_ANY, + "state", + "state %s ", + slave_states[state]); +} + +static const char *slave_mii_status[] = { + [BOND_LINK_UP] = "UP", + [BOND_LINK_FAIL] = "GOING_DOWN", + [BOND_LINK_DOWN] = "DOWN", + [BOND_LINK_BACK] = "GOING_BACK", +}; + +static void print_slave_mii_status(FILE *f, struct rtattr *tb) +{ + unsigned int status = rta_getattr_u8(tb); + + if (status >= ARRAY_SIZE(slave_mii_status)) + print_int(PRINT_ANY, + "mii_status_index", + "mii_status %d ", + status); + else + print_string(PRINT_ANY, + "mii_status", + "mii_status %s ", + slave_mii_status[status]); +} + +static void print_slave_oper_state(FILE *fp, const char *name, __u16 state) +{ + open_json_array(PRINT_ANY, name); + print_string(PRINT_FP, NULL, " <", NULL); +#define _PF(s, str) if (state & LACP_STATE_##s) { \ + state &= ~LACP_STATE_##s; \ + print_string(PRINT_ANY, NULL, \ + state ? "%s," : "%s", str); } + _PF(LACP_ACTIVITY, "active"); + _PF(LACP_TIMEOUT, "short_timeout"); + _PF(AGGREGATION, "aggregating"); + _PF(SYNCHRONIZATION, "in_sync"); + _PF(COLLECTING, "collecting"); + _PF(DISTRIBUTING, "distributing"); + _PF(DEFAULTED, "defaulted"); + _PF(EXPIRED, "expired"); +#undef _PF + close_json_array(PRINT_ANY, "> "); +} + +static void bond_slave_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) +{ + SPRINT_BUF(b1); + if (!tb) + return; + + if (tb[IFLA_BOND_SLAVE_STATE]) + print_slave_state(f, tb[IFLA_BOND_SLAVE_STATE]); + + if (tb[IFLA_BOND_SLAVE_MII_STATUS]) + print_slave_mii_status(f, tb[IFLA_BOND_SLAVE_MII_STATUS]); + + if (tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT]) + print_int(PRINT_ANY, + "link_failure_count", + "link_failure_count %d ", + rta_getattr_u32(tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT])); + + if (tb[IFLA_BOND_SLAVE_PERM_HWADDR]) + print_string(PRINT_ANY, + "perm_hwaddr", + "perm_hwaddr %s ", + ll_addr_n2a(RTA_DATA(tb[IFLA_BOND_SLAVE_PERM_HWADDR]), + RTA_PAYLOAD(tb[IFLA_BOND_SLAVE_PERM_HWADDR]), + 0, b1, sizeof(b1))); + + if (tb[IFLA_BOND_SLAVE_QUEUE_ID]) + print_int(PRINT_ANY, + "queue_id", + "queue_id %d ", + rta_getattr_u16(tb[IFLA_BOND_SLAVE_QUEUE_ID])); + + if (tb[IFLA_BOND_SLAVE_PRIO]) + print_int(PRINT_ANY, "prio", "prio %d ", + rta_getattr_s32(tb[IFLA_BOND_SLAVE_PRIO])); + + if (tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID]) + print_int(PRINT_ANY, + "ad_aggregator_id", + "ad_aggregator_id %d ", + rta_getattr_u16(tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID])); + + if (tb[IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE]) { + __u8 state = rta_getattr_u8(tb[IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE]); + + print_int(PRINT_ANY, + "ad_actor_oper_port_state", + "ad_actor_oper_port_state %d ", + state); + print_slave_oper_state(f, "ad_actor_oper_port_state_str", state); + } + + if (tb[IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE]) { + __u16 state = rta_getattr_u8(tb[IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE]); + + print_int(PRINT_ANY, + "ad_partner_oper_port_state", + "ad_partner_oper_port_state %d ", + state); + print_slave_oper_state(f, "ad_partner_oper_port_state_str", state); + } +} + +static int bond_slave_parse_opt(struct link_util *lu, int argc, char **argv, + struct nlmsghdr *n) +{ + __u16 queue_id; + int prio; + + while (argc > 0) { + if (matches(*argv, "queue_id") == 0) { + NEXT_ARG(); + if (get_u16(&queue_id, *argv, 0)) + invarg("queue_id is invalid", *argv); + addattr16(n, 1024, IFLA_BOND_SLAVE_QUEUE_ID, queue_id); + } else if (strcmp(*argv, "prio") == 0) { + NEXT_ARG(); + if (get_s32(&prio, *argv, 0)) + invarg("prio is invalid", *argv); + addattr32(n, 1024, IFLA_BOND_SLAVE_PRIO, prio); + } else { + if (matches(*argv, "help") != 0) + fprintf(stderr, + "bond_slave: unknown option \"%s\"?\n", + *argv); + explain(); + return -1; + } + argc--, argv++; + } + + return 0; +} + +static void bond_slave_print_help(struct link_util *lu, int argc, char **argv, + FILE *f) +{ + print_explain(f); +} + +struct link_util bond_slave_link_util = { + .id = "bond_slave", + .maxattr = IFLA_BOND_SLAVE_MAX, + .print_opt = bond_slave_print_opt, + .parse_opt = bond_slave_parse_opt, + .print_help = bond_slave_print_help, + .parse_ifla_xstats = bond_parse_xstats, + .print_ifla_xstats = bond_print_xstats, +}; |