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-rw-r--r--src/udev/net/link-config.c711
1 files changed, 711 insertions, 0 deletions
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
new file mode 100644
index 0000000..d12fd0e
--- /dev/null
+++ b/src/udev/net/link-config.c
@@ -0,0 +1,711 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <linux/netdevice.h>
+#include <netinet/ether.h>
+#include <unistd.h>
+
+#include "sd-device.h"
+#include "sd-netlink.h"
+
+#include "alloc-util.h"
+#include "conf-files.h"
+#include "conf-parser.h"
+#include "def.h"
+#include "device-private.h"
+#include "device-util.h"
+#include "ethtool-util.h"
+#include "fd-util.h"
+#include "link-config.h"
+#include "log.h"
+#include "memory-util.h"
+#include "netif-naming-scheme.h"
+#include "netlink-util.h"
+#include "network-internal.h"
+#include "parse-util.h"
+#include "path-lookup.h"
+#include "path-util.h"
+#include "proc-cmdline.h"
+#include "random-util.h"
+#include "stat-util.h"
+#include "string-table.h"
+#include "string-util.h"
+#include "strv.h"
+
+struct link_config_ctx {
+ LIST_HEAD(link_config, links);
+
+ int ethtool_fd;
+
+ bool enable_name_policy;
+
+ sd_netlink *rtnl;
+
+ usec_t network_dirs_ts_usec;
+};
+
+static void link_config_free(link_config *link) {
+ if (!link)
+ return;
+
+ free(link->filename);
+
+ set_free_free(link->match_mac);
+ set_free_free(link->match_permanent_mac);
+ strv_free(link->match_path);
+ strv_free(link->match_driver);
+ strv_free(link->match_type);
+ strv_free(link->match_name);
+ strv_free(link->match_property);
+ condition_free_list(link->conditions);
+
+ free(link->description);
+ free(link->mac);
+ free(link->name_policy);
+ free(link->name);
+ strv_free(link->alternative_names);
+ free(link->alternative_names_policy);
+ free(link->alias);
+
+ free(link);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(link_config*, link_config_free);
+
+static void link_configs_free(link_config_ctx *ctx) {
+ link_config *link, *link_next;
+
+ if (!ctx)
+ return;
+
+ LIST_FOREACH_SAFE(links, link, link_next, ctx->links)
+ link_config_free(link);
+}
+
+void link_config_ctx_free(link_config_ctx *ctx) {
+ if (!ctx)
+ return;
+
+ safe_close(ctx->ethtool_fd);
+
+ sd_netlink_unref(ctx->rtnl);
+
+ link_configs_free(ctx);
+
+ free(ctx);
+
+ return;
+}
+
+int link_config_ctx_new(link_config_ctx **ret) {
+ _cleanup_(link_config_ctx_freep) link_config_ctx *ctx = NULL;
+
+ if (!ret)
+ return -EINVAL;
+
+ ctx = new0(link_config_ctx, 1);
+ if (!ctx)
+ return -ENOMEM;
+
+ LIST_HEAD_INIT(ctx->links);
+
+ ctx->ethtool_fd = -1;
+
+ ctx->enable_name_policy = true;
+
+ *ret = TAKE_PTR(ctx);
+
+ return 0;
+}
+
+int link_load_one(link_config_ctx *ctx, const char *filename) {
+ _cleanup_(link_config_freep) link_config *link = NULL;
+ _cleanup_fclose_ FILE *file = NULL;
+ _cleanup_free_ char *name = NULL;
+ size_t i;
+ int r;
+
+ assert(ctx);
+ assert(filename);
+
+ file = fopen(filename, "re");
+ if (!file)
+ return errno == ENOENT ? 0 : -errno;
+
+ if (null_or_empty_fd(fileno(file))) {
+ log_debug("Skipping empty file: %s", filename);
+ return 0;
+ }
+
+ name = strdup(filename);
+ if (!name)
+ return -ENOMEM;
+
+ link = new(link_config, 1);
+ if (!link)
+ return -ENOMEM;
+
+ *link = (link_config) {
+ .filename = TAKE_PTR(name),
+ .mac_address_policy = _MAC_ADDRESS_POLICY_INVALID,
+ .wol = _WOL_INVALID,
+ .duplex = _DUP_INVALID,
+ .port = _NET_DEV_PORT_INVALID,
+ .autonegotiation = -1,
+ .rx_flow_control = -1,
+ .tx_flow_control = -1,
+ .autoneg_flow_control = -1,
+ };
+
+ for (i = 0; i < ELEMENTSOF(link->features); i++)
+ link->features[i] = -1;
+
+ r = config_parse(NULL, filename, file,
+ "Match\0Link\0",
+ config_item_perf_lookup, link_config_gperf_lookup,
+ CONFIG_PARSE_WARN, link,
+ NULL);
+ if (r < 0)
+ return r;
+
+ if (set_isempty(link->match_mac) && set_isempty(link->match_permanent_mac) &&
+ strv_isempty(link->match_path) && strv_isempty(link->match_driver) && strv_isempty(link->match_type) &&
+ strv_isempty(link->match_name) && strv_isempty(link->match_property) && !link->conditions) {
+ log_warning("%s: No valid settings found in the [Match] section, ignoring file. "
+ "To match all interfaces, add OriginalName=* in the [Match] section.",
+ filename);
+ return 0;
+ }
+
+ if (!condition_test_list(link->conditions, environ, NULL, NULL, NULL)) {
+ log_debug("%s: Conditions do not match the system environment, skipping.", filename);
+ return 0;
+ }
+
+ if (IN_SET(link->mac_address_policy, MAC_ADDRESS_POLICY_PERSISTENT, MAC_ADDRESS_POLICY_RANDOM) && link->mac) {
+ log_warning("%s: MACAddress= in [Link] section will be ignored when MACAddressPolicy= "
+ "is set to \"persistent\" or \"random\".",
+ filename);
+ link->mac = mfree(link->mac);
+ }
+
+ log_debug("Parsed configuration file %s", filename);
+
+ LIST_PREPEND(links, ctx->links, TAKE_PTR(link));
+ return 0;
+}
+
+static bool enable_name_policy(void) {
+ bool b;
+
+ return proc_cmdline_get_bool("net.ifnames", &b) <= 0 || b;
+}
+
+static int link_unsigned_attribute(sd_device *device, const char *attr, unsigned *type) {
+ const char *s;
+ int r;
+
+ r = sd_device_get_sysattr_value(device, attr, &s);
+ if (r < 0)
+ return log_device_debug_errno(device, r, "Failed to query %s: %m", attr);
+
+ r = safe_atou(s, type);
+ if (r < 0)
+ return log_device_warning_errno(device, r, "Failed to parse %s \"%s\": %m", attr, s);
+
+ log_device_debug(device, "Device has %s=%u", attr, *type);
+ return 0;
+}
+
+int link_config_load(link_config_ctx *ctx) {
+ _cleanup_strv_free_ char **files = NULL;
+ char **f;
+ int r;
+
+ link_configs_free(ctx);
+
+ if (!enable_name_policy()) {
+ ctx->enable_name_policy = false;
+ log_info("Network interface NamePolicy= disabled on kernel command line, ignoring.");
+ }
+
+ /* update timestamp */
+ paths_check_timestamp(NETWORK_DIRS, &ctx->network_dirs_ts_usec, true);
+
+ r = conf_files_list_strv(&files, ".link", NULL, 0, NETWORK_DIRS);
+ if (r < 0)
+ return log_error_errno(r, "failed to enumerate link files: %m");
+
+ STRV_FOREACH_BACKWARDS(f, files) {
+ r = link_load_one(ctx, *f);
+ if (r < 0)
+ log_error_errno(r, "Failed to load %s, ignoring: %m", *f);
+ }
+
+ return 0;
+}
+
+bool link_config_should_reload(link_config_ctx *ctx) {
+ return paths_check_timestamp(NETWORK_DIRS, &ctx->network_dirs_ts_usec, false);
+}
+
+int link_config_get(link_config_ctx *ctx, sd_device *device, link_config **ret) {
+ unsigned name_assign_type = NET_NAME_UNKNOWN;
+ struct ether_addr permanent_mac = {};
+ unsigned short iftype = 0;
+ link_config *link;
+ const char *name;
+ int ifindex, r;
+
+ assert(ctx);
+ assert(device);
+ assert(ret);
+
+ r = sd_device_get_sysname(device, &name);
+ if (r < 0)
+ return r;
+
+ r = sd_device_get_ifindex(device, &ifindex);
+ if (r < 0)
+ return r;
+
+ r = rtnl_get_link_iftype(&ctx->rtnl, ifindex, &iftype);
+ if (r < 0)
+ return r;
+
+ r = ethtool_get_permanent_macaddr(&ctx->ethtool_fd, name, &permanent_mac);
+ if (r < 0)
+ log_device_debug_errno(device, r, "Failed to get permanent MAC address, ignoring: %m");
+
+ (void) link_unsigned_attribute(device, "name_assign_type", &name_assign_type);
+
+ LIST_FOREACH(links, link, ctx->links) {
+ if (net_match_config(link->match_mac, link->match_permanent_mac, link->match_path, link->match_driver,
+ link->match_type, link->match_name, link->match_property, NULL, NULL, NULL,
+ device, NULL, &permanent_mac, NULL, iftype, NULL, NULL, 0, NULL, NULL)) {
+
+ if (link->match_name && !strv_contains(link->match_name, "*") && name_assign_type == NET_NAME_ENUM)
+ log_device_warning(device, "Config file %s is applied to device based on potentially unpredictable interface name.",
+ link->filename);
+ else
+ log_device_debug(device, "Config file %s is applied", link->filename);
+
+ *ret = link;
+ return 0;
+ }
+ }
+
+ return -ENOENT;
+}
+
+static int link_config_apply_ethtool_settings(int *ethtool_fd, const link_config *config, sd_device *device) {
+ const char *name;
+ int r;
+
+ assert(ethtool_fd);
+ assert(config);
+ assert(device);
+
+ r = sd_device_get_sysname(device, &name);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to get sysname: %m");
+
+ r = ethtool_set_glinksettings(ethtool_fd, name,
+ config->autonegotiation, config->advertise,
+ config->speed, config->duplex, config->port);
+ if (r < 0) {
+ if (config->port != _NET_DEV_PORT_INVALID)
+ log_device_warning_errno(device, r, "Could not set port '%s', ignoring: %m", port_to_string(config->port));
+
+ if (!eqzero(config->advertise))
+ log_device_warning_errno(device, r, "Could not set advertise mode, ignoring: %m"); /* TODO: include modes in the log message. */
+
+ if (config->speed) {
+ unsigned speed = DIV_ROUND_UP(config->speed, 1000000);
+ if (r == -EOPNOTSUPP) {
+ r = ethtool_set_speed(ethtool_fd, name, speed, config->duplex);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set speed to %uMbps, ignoring: %m", speed);
+ }
+ }
+
+ if (config->duplex != _DUP_INVALID)
+ log_device_warning_errno(device, r, "Could not set duplex to %s, ignoring: %m", duplex_to_string(config->duplex));
+ }
+
+ r = ethtool_set_wol(ethtool_fd, name, config->wol);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set WakeOnLan to %s, ignoring: %m", wol_to_string(config->wol));
+
+ r = ethtool_set_features(ethtool_fd, name, config->features);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set offload features, ignoring: %m");
+
+ if (config->channels.rx_count_set || config->channels.tx_count_set || config->channels.other_count_set || config->channels.combined_count_set) {
+ r = ethtool_set_channels(ethtool_fd, name, &config->channels);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set channels, ignoring: %m");
+ }
+
+ if (config->ring.rx_pending_set || config->ring.rx_mini_pending_set || config->ring.rx_jumbo_pending_set || config->ring.tx_pending_set) {
+ r = ethtool_set_nic_buffer_size(ethtool_fd, name, &config->ring);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set ring buffer, ignoring: %m");
+ }
+
+ if (config->rx_flow_control >= 0 || config->tx_flow_control >= 0 || config->autoneg_flow_control >= 0) {
+ r = ethtool_set_flow_control(ethtool_fd, name, config->rx_flow_control, config->tx_flow_control, config->autoneg_flow_control);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set flow control, ignoring: %m");
+ }
+
+ return 0;
+}
+
+static int get_mac(sd_device *device, MACAddressPolicy policy, struct ether_addr *mac) {
+ unsigned addr_type;
+ bool want_random = policy == MAC_ADDRESS_POLICY_RANDOM;
+ int r;
+
+ assert(IN_SET(policy, MAC_ADDRESS_POLICY_RANDOM, MAC_ADDRESS_POLICY_PERSISTENT));
+
+ r = link_unsigned_attribute(device, "addr_assign_type", &addr_type);
+ if (r < 0)
+ return r;
+ switch (addr_type) {
+ case NET_ADDR_SET:
+ return log_device_debug(device, "MAC on the device already set by userspace");
+ case NET_ADDR_STOLEN:
+ return log_device_debug(device, "MAC on the device already set based on another device");
+ case NET_ADDR_RANDOM:
+ case NET_ADDR_PERM:
+ break;
+ default:
+ log_device_warning(device, "Unknown addr_assign_type %u, ignoring", addr_type);
+ return 0;
+ }
+
+ if (want_random == (addr_type == NET_ADDR_RANDOM))
+ return log_device_debug(device, "MAC on the device already matches policy *%s*",
+ mac_address_policy_to_string(policy));
+
+ if (want_random) {
+ log_device_debug(device, "Using random bytes to generate MAC");
+
+ /* We require genuine randomness here, since we want to make sure we won't collide with other
+ * systems booting up at the very same time. We do allow RDRAND however, since this is not
+ * cryptographic key material. */
+ r = genuine_random_bytes(mac->ether_addr_octet, ETH_ALEN, RANDOM_ALLOW_RDRAND);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to acquire random data to generate MAC: %m");
+ } else {
+ uint64_t result;
+
+ r = net_get_unique_predictable_data(device,
+ naming_scheme_has(NAMING_STABLE_VIRTUAL_MACS),
+ &result);
+ if (r < 0)
+ return log_device_warning_errno(device, r, "Could not generate persistent MAC: %m");
+
+ log_device_debug(device, "Using generated persistent MAC address");
+ assert_cc(ETH_ALEN <= sizeof(result));
+ memcpy(mac->ether_addr_octet, &result, ETH_ALEN);
+ }
+
+ /* see eth_random_addr in the kernel */
+ mac->ether_addr_octet[0] &= 0xfe; /* clear multicast bit */
+ mac->ether_addr_octet[0] |= 0x02; /* set local assignment bit (IEEE802) */
+ return 1;
+}
+
+static int link_config_apply_rtnl_settings(sd_netlink **rtnl, const link_config *config, sd_device *device) {
+ struct ether_addr generated_mac, *mac = NULL;
+ int ifindex, r;
+
+ assert(rtnl);
+ assert(config);
+ assert(device);
+
+ r = sd_device_get_ifindex(device, &ifindex);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Could not find ifindex: %m");
+
+ if (IN_SET(config->mac_address_policy, MAC_ADDRESS_POLICY_PERSISTENT, MAC_ADDRESS_POLICY_RANDOM)) {
+ if (get_mac(device, config->mac_address_policy, &generated_mac) > 0)
+ mac = &generated_mac;
+ } else
+ mac = config->mac;
+
+ r = rtnl_set_link_properties(rtnl, ifindex, config->alias, mac, config->mtu);
+ if (r < 0)
+ log_device_warning_errno(device, r, "Could not set Alias=, MACAddress= or MTU=, ignoring: %m");
+
+ return 0;
+}
+
+static int link_config_generate_new_name(const link_config_ctx *ctx, const link_config *config, sd_device *device, const char **ret_name) {
+ unsigned name_type = NET_NAME_UNKNOWN;
+ const char *new_name = NULL;
+ NamePolicy policy;
+ int r;
+
+ assert(ctx);
+ assert(config);
+ assert(device);
+ assert(ret_name);
+
+ (void) link_unsigned_attribute(device, "name_assign_type", &name_type);
+
+ if (IN_SET(name_type, NET_NAME_USER, NET_NAME_RENAMED)
+ && !naming_scheme_has(NAMING_ALLOW_RERENAMES)) {
+ log_device_debug(device, "Device already has a name given by userspace, not renaming.");
+ goto no_rename;
+ }
+
+ if (ctx->enable_name_policy && config->name_policy)
+ for (NamePolicy *p = config->name_policy; *p != _NAMEPOLICY_INVALID; p++) {
+ policy = *p;
+
+ switch (policy) {
+ case NAMEPOLICY_KERNEL:
+ if (name_type != NET_NAME_PREDICTABLE)
+ continue;
+
+ /* The kernel claims to have given a predictable name, keep it. */
+ log_device_debug(device, "Policy *%s*: keeping predictable kernel name",
+ name_policy_to_string(policy));
+ goto no_rename;
+ case NAMEPOLICY_KEEP:
+ if (!IN_SET(name_type, NET_NAME_USER, NET_NAME_RENAMED))
+ continue;
+
+ log_device_debug(device, "Policy *%s*: keeping existing userspace name",
+ name_policy_to_string(policy));
+ goto no_rename;
+ case NAMEPOLICY_DATABASE:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_FROM_DATABASE", &new_name);
+ break;
+ case NAMEPOLICY_ONBOARD:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_ONBOARD", &new_name);
+ break;
+ case NAMEPOLICY_SLOT:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_SLOT", &new_name);
+ break;
+ case NAMEPOLICY_PATH:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_PATH", &new_name);
+ break;
+ case NAMEPOLICY_MAC:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_MAC", &new_name);
+ break;
+ default:
+ assert_not_reached("invalid policy");
+ }
+ if (ifname_valid(new_name))
+ break;
+ }
+
+ if (new_name) {
+ log_device_debug(device, "Policy *%s* yields \"%s\".", name_policy_to_string(policy), new_name);
+ *ret_name = new_name;
+ return 0;
+ }
+
+ if (config->name) {
+ log_device_debug(device, "Policies didn't yield a name, using specified Name=%s.", config->name);
+ *ret_name = config->name;
+ return 0;
+ }
+
+ log_device_debug(device, "Policies didn't yield a name and Name= is not given, not renaming.");
+no_rename:
+ r = sd_device_get_sysname(device, ret_name);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to get sysname: %m");
+
+ return 0;
+}
+
+static int link_config_apply_alternative_names(sd_netlink **rtnl, const link_config *config, sd_device *device, const char *new_name) {
+ _cleanup_strv_free_ char **altnames = NULL, **current_altnames = NULL;
+ const char *current_name;
+ int ifindex, r;
+
+ assert(rtnl);
+ assert(config);
+ assert(device);
+
+ r = sd_device_get_sysname(device, &current_name);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to get sysname: %m");
+
+ r = sd_device_get_ifindex(device, &ifindex);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Could not find ifindex: %m");
+
+ if (config->alternative_names) {
+ altnames = strv_copy(config->alternative_names);
+ if (!altnames)
+ return log_oom();
+ }
+
+ if (config->alternative_names_policy)
+ for (NamePolicy *p = config->alternative_names_policy; *p != _NAMEPOLICY_INVALID; p++) {
+ const char *n = NULL;
+
+ switch (*p) {
+ case NAMEPOLICY_DATABASE:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_FROM_DATABASE", &n);
+ break;
+ case NAMEPOLICY_ONBOARD:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_ONBOARD", &n);
+ break;
+ case NAMEPOLICY_SLOT:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_SLOT", &n);
+ break;
+ case NAMEPOLICY_PATH:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_PATH", &n);
+ break;
+ case NAMEPOLICY_MAC:
+ (void) sd_device_get_property_value(device, "ID_NET_NAME_MAC", &n);
+ break;
+ default:
+ assert_not_reached("invalid policy");
+ }
+ if (!isempty(n)) {
+ r = strv_extend(&altnames, n);
+ if (r < 0)
+ return log_oom();
+ }
+ }
+
+ if (new_name)
+ strv_remove(altnames, new_name);
+ strv_remove(altnames, current_name);
+
+ r = rtnl_get_link_alternative_names(rtnl, ifindex, &current_altnames);
+ if (r < 0)
+ log_device_debug_errno(device, r, "Failed to get alternative names, ignoring: %m");
+
+ char **p;
+ STRV_FOREACH(p, current_altnames)
+ strv_remove(altnames, *p);
+
+ strv_uniq(altnames);
+ strv_sort(altnames);
+ r = rtnl_set_link_alternative_names(rtnl, ifindex, altnames);
+ if (r < 0)
+ log_device_full_errno(device, r == -EOPNOTSUPP ? LOG_DEBUG : LOG_WARNING, r,
+ "Could not set AlternativeName= or apply AlternativeNamesPolicy=, ignoring: %m");
+
+ return 0;
+}
+
+int link_config_apply(link_config_ctx *ctx, const link_config *config, sd_device *device, const char **ret_name) {
+ const char *new_name;
+ DeviceAction a;
+ int r;
+
+ assert(ctx);
+ assert(config);
+ assert(device);
+ assert(ret_name);
+
+ r = device_get_action(device, &a);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to get ACTION= property: %m");
+
+ if (!IN_SET(a, DEVICE_ACTION_ADD, DEVICE_ACTION_BIND, DEVICE_ACTION_MOVE)) {
+ log_device_debug(device, "Skipping to apply .link settings on '%s' uevent.", device_action_to_string(a));
+
+ r = sd_device_get_sysname(device, ret_name);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to get sysname: %m");
+
+ return 0;
+ }
+
+ r = link_config_apply_ethtool_settings(&ctx->ethtool_fd, config, device);
+ if (r < 0)
+ return r;
+
+ r = link_config_apply_rtnl_settings(&ctx->rtnl, config, device);
+ if (r < 0)
+ return r;
+
+ if (a == DEVICE_ACTION_MOVE) {
+ log_device_debug(device, "Skipping to apply Name= and NamePolicy= on '%s' uevent.", device_action_to_string(a));
+
+ r = sd_device_get_sysname(device, &new_name);
+ if (r < 0)
+ return log_device_error_errno(device, r, "Failed to get sysname: %m");
+ } else {
+ r = link_config_generate_new_name(ctx, config, device, &new_name);
+ if (r < 0)
+ return r;
+ }
+
+ r = link_config_apply_alternative_names(&ctx->rtnl, config, device, new_name);
+ if (r < 0)
+ return r;
+
+ *ret_name = new_name;
+ return 0;
+}
+
+int link_get_driver(link_config_ctx *ctx, sd_device *device, char **ret) {
+ const char *name;
+ char *driver = NULL;
+ int r;
+
+ r = sd_device_get_sysname(device, &name);
+ if (r < 0)
+ return r;
+
+ r = ethtool_get_driver(&ctx->ethtool_fd, name, &driver);
+ if (r < 0)
+ return r;
+
+ *ret = driver;
+ return 0;
+}
+
+static const char* const mac_address_policy_table[_MAC_ADDRESS_POLICY_MAX] = {
+ [MAC_ADDRESS_POLICY_PERSISTENT] = "persistent",
+ [MAC_ADDRESS_POLICY_RANDOM] = "random",
+ [MAC_ADDRESS_POLICY_NONE] = "none",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(mac_address_policy, MACAddressPolicy);
+DEFINE_CONFIG_PARSE_ENUM_WITH_DEFAULT(
+ config_parse_mac_address_policy,
+ mac_address_policy,
+ MACAddressPolicy,
+ MAC_ADDRESS_POLICY_NONE,
+ "Failed to parse MAC address policy");
+
+static const char* const name_policy_table[_NAMEPOLICY_MAX] = {
+ [NAMEPOLICY_KERNEL] = "kernel",
+ [NAMEPOLICY_KEEP] = "keep",
+ [NAMEPOLICY_DATABASE] = "database",
+ [NAMEPOLICY_ONBOARD] = "onboard",
+ [NAMEPOLICY_SLOT] = "slot",
+ [NAMEPOLICY_PATH] = "path",
+ [NAMEPOLICY_MAC] = "mac",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(name_policy, NamePolicy);
+DEFINE_CONFIG_PARSE_ENUMV(config_parse_name_policy, name_policy, NamePolicy,
+ _NAMEPOLICY_INVALID,
+ "Failed to parse interface name policy");
+
+static const char* const alternative_names_policy_table[_NAMEPOLICY_MAX] = {
+ [NAMEPOLICY_DATABASE] = "database",
+ [NAMEPOLICY_ONBOARD] = "onboard",
+ [NAMEPOLICY_SLOT] = "slot",
+ [NAMEPOLICY_PATH] = "path",
+ [NAMEPOLICY_MAC] = "mac",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(alternative_names_policy, NamePolicy);
+DEFINE_CONFIG_PARSE_ENUMV(config_parse_alternative_names_policy, alternative_names_policy, NamePolicy,
+ _NAMEPOLICY_INVALID,
+ "Failed to parse alternative names policy");
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-21 01:34:20 +0000