af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen#include <netinet/ether.h>

7eb08da4b388b920c8a894b1500c9cc7dc1f31efTom Gundersen#include <linux/netdevice.h>

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "sd-netlink.h"

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "conf-files.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "conf-parser.h"

a501033335ed402c8f7e86fe41a15531ba69abd7Tom Gundersen#include "ethtool-util.h"

3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "fd-util.h"

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen#include "libudev-private.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "link-config.h"

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen#include "log.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "missing.h"

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen#include "netlink-util.h"

c6f7c917a1b494d4455800823472227463f87438Tom Gundersen#include "network-internal.h"

6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "parse-util.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "path-util.h"

4e731273edfe852a3eee2949cd20f49fd5b4f6d7Lennart Poettering#include "proc-cmdline.h"

3df3e884ae1237ef0d4d23b0e80f4ffda95ac135Ronny Chevalier#include "random-util.h"

8fcde01280adcbd07e8205b91ac52b06305b6208Lennart Poettering#include "stat-util.h"

8b43440b7ef4b81c69c31de7ff820dc07a780254Lennart Poettering#include "string-table.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "string-util.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "strv.h"

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "util.h"

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersenstruct link_config_ctx {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen LIST_HEAD(link_config, links);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

a501033335ed402c8f7e86fe41a15531ba69abd7Tom Gundersen int ethtool_fd;

a501033335ed402c8f7e86fe41a15531ba69abd7Tom Gundersen

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen bool enable_name_policy;

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen sd_netlink *rtnl;

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen

97f2d76d4f4dfab8b0629c09926a05a1e5621125Tom Gundersen usec_t link_dirs_ts_usec;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen};

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmekstatic const char* const link_dirs[] = {

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek "/etc/systemd/network",

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek "/run/systemd/network",

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek "/usr/lib/systemd/network",

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek#ifdef HAVE_SPLIT_USR

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek "/lib/systemd/network",

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek#endif

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek NULL};

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersenstatic void link_config_free(link_config *link) {

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen if (!link)

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen return;

5b9d4dc05560ddda89e48b6b39365824b15e1300Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->filename);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->match_mac);

43d60b77a83b3185e37c65c4f2649d24c227c7f0Tom Gundersen strv_free(link->match_path);

43d60b77a83b3185e37c65c4f2649d24c227c7f0Tom Gundersen strv_free(link->match_driver);

43d60b77a83b3185e37c65c4f2649d24c227c7f0Tom Gundersen strv_free(link->match_type);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->match_name);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->match_host);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->match_virt);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->match_kernel);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->match_arch);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->description);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->mac);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->name_policy);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->name);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link->alias);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen free(link);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom GundersenDEFINE_TRIVIAL_CLEANUP_FUNC(link_config*, link_config_free);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersenstatic void link_configs_free(link_config_ctx *ctx) {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen link_config *link, *link_next;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen if (!ctx)

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen LIST_FOREACH_SAFE(links, link, link_next, ctx->links)

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen link_config_free(link);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersenvoid link_config_ctx_free(link_config_ctx *ctx) {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen if (!ctx)

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering safe_close(ctx->ethtool_fd);

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen sd_netlink_unref(ctx->rtnl);

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen link_configs_free(ctx);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen free(ctx);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom GundersenDEFINE_TRIVIAL_CLEANUP_FUNC(link_config_ctx*, link_config_ctx_free);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersenint link_config_ctx_new(link_config_ctx **ret) {

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen _cleanup_(link_config_ctx_freep) link_config_ctx *ctx = NULL;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen if (!ret)

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen return -EINVAL;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen ctx = new0(link_config_ctx, 1);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen if (!ctx)

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen return -ENOMEM;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen LIST_HEAD_INIT(ctx->links);

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen ctx->ethtool_fd = -1;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen ctx->enable_name_policy = true;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen *ret = ctx;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen ctx = NULL;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen return 0;

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen}

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersenstatic int load_link(link_config_ctx *ctx, const char *filename) {

9a4b012e43f23516373bf398dd9a458439d19939Tom Gundersen _cleanup_(link_config_freep) link_config *link = NULL;

6e37cd2f4af8928d905203108a4331e375d7127cThomas Hindoe Paaboel Andersen _cleanup_fclose_ FILE *file = NULL;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen int r;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

187dc6e554f2d5b4b5a3bee72c73ff5df6418aa6Thomas Hindoe Paaboel Andersen assert(ctx);

187dc6e554f2d5b4b5a3bee72c73ff5df6418aa6Thomas Hindoe Paaboel Andersen assert(filename);

187dc6e554f2d5b4b5a3bee72c73ff5df6418aa6Thomas Hindoe Paaboel Andersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen file = fopen(filename, "re");

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen if (!file) {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen if (errno == ENOENT)

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return 0;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen else

ecb08ec6a5c52f2d940f3b8147e2a480affd46e1Zbigniew Jędrzejewski-Szmek return -errno;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen }

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

ed88bcfb7c15029f9fc95ee2380759a9eb782d46Zbigniew Jędrzejewski-Szmek if (null_or_empty_fd(fileno(file))) {

ed88bcfb7c15029f9fc95ee2380759a9eb782d46Zbigniew Jędrzejewski-Szmek log_debug("Skipping empty file: %s", filename);

ed88bcfb7c15029f9fc95ee2380759a9eb782d46Zbigniew Jędrzejewski-Szmek return 0;

ed88bcfb7c15029f9fc95ee2380759a9eb782d46Zbigniew Jędrzejewski-Szmek }

ed88bcfb7c15029f9fc95ee2380759a9eb782d46Zbigniew Jędrzejewski-Szmek

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen link = new0(link_config, 1);

ecb08ec6a5c52f2d940f3b8147e2a480affd46e1Zbigniew Jędrzejewski-Szmek if (!link)

ecb08ec6a5c52f2d940f3b8147e2a480affd46e1Zbigniew Jędrzejewski-Szmek return log_oom();

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen link->mac_policy = _MACPOLICY_INVALID;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen link->wol = _WOL_INVALID;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen link->duplex = _DUP_INVALID;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen

e9f3d2d508bfd9fb5b54e82994bda365a71eb864Zbigniew Jędrzejewski-Szmek r = config_parse(NULL, filename, file,

e9f3d2d508bfd9fb5b54e82994bda365a71eb864Zbigniew Jędrzejewski-Szmek "Match\0Link\0Ethernet\0",

e9f3d2d508bfd9fb5b54e82994bda365a71eb864Zbigniew Jędrzejewski-Szmek config_item_perf_lookup, link_config_gperf_lookup,

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek false, false, true, link);

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek if (r < 0)

ecb08ec6a5c52f2d940f3b8147e2a480affd46e1Zbigniew Jędrzejewski-Szmek return r;

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek else

98a375f6d5cac24eb80d6d4e00699851324afdecTom Gundersen log_debug("Parsed configuration file %s", filename);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

dab495dc23bf9a5ba0487a057bb594355555a0e9Tom Gundersen if (link->mtu > UINT_MAX || link->speed > UINT_MAX)

dab495dc23bf9a5ba0487a057bb594355555a0e9Tom Gundersen return -ERANGE;

dab495dc23bf9a5ba0487a057bb594355555a0e9Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen link->filename = strdup(filename);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen LIST_PREPEND(links, ctx->links, link);

ecb08ec6a5c52f2d940f3b8147e2a480affd46e1Zbigniew Jędrzejewski-Szmek link = NULL;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return 0;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersenstatic bool enable_name_policy(void) {

f8a0bb5285024b6ce372c3157e761e6543ebdcd2Andreas Henriksson _cleanup_free_ char *line = NULL;

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek const char *word, *state;

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen int r;

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen size_t l;

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen

74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering r = proc_cmdline(&line);

b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering if (r < 0) {

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");

74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering return true;

b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering }

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek FOREACH_WORD_QUOTED(word, l, line, state)

a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek if (strneq(word, "net.ifnames=0", l))

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen return false;

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen return true;

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen}

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersenint link_config_load(link_config_ctx *ctx) {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen int r;

edf029b7fd9a5853a87d3ca99aac2922bb8a277eTom Gundersen _cleanup_strv_free_ char **files;

edf029b7fd9a5853a87d3ca99aac2922bb8a277eTom Gundersen char **f;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen link_configs_free(ctx);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen if (!enable_name_policy()) {

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen ctx->enable_name_policy = false;

3f85ef0f05ffc51e19f86fb83a1c51e8e3cd6817Harald Hoyer log_info("Network interface NamePolicy= disabled on kernel command line, ignoring.");

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen }

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen

97f2d76d4f4dfab8b0629c09926a05a1e5621125Tom Gundersen /* update timestamp */

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek paths_check_timestamp(link_dirs, &ctx->link_dirs_ts_usec, true);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek r = conf_files_list_strv(&files, ".link", NULL, link_dirs);

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt if (r < 0)

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt return log_error_errno(r, "failed to enumerate link files: %m");

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen STRV_FOREACH_BACKWARDS(f, files) {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen r = load_link(ctx, *f);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen if (r < 0)

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return r;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen }

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return 0;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersenbool link_config_should_reload(link_config_ctx *ctx) {

2ad8416dd057e7e3185169609ca3006e7649f576Zbigniew Jędrzejewski-Szmek return paths_check_timestamp(link_dirs, &ctx->link_dirs_ts_usec, false);

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersenint link_config_get(link_config_ctx *ctx, struct udev_device *device,

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersen link_config **ret) {

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen link_config *link;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

3b64e4d4f40baac56148c7d333d6a0053358ec7aTom Gundersen assert(ctx);

3b64e4d4f40baac56148c7d333d6a0053358ec7aTom Gundersen assert(device);

3b64e4d4f40baac56148c7d333d6a0053358ec7aTom Gundersen assert(ret);

3b64e4d4f40baac56148c7d333d6a0053358ec7aTom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen LIST_FOREACH(links, link, ctx->links) {

7eb08da4b388b920c8a894b1500c9cc7dc1f31efTom Gundersen const char* attr_value;

7eb08da4b388b920c8a894b1500c9cc7dc1f31efTom Gundersen

7eb08da4b388b920c8a894b1500c9cc7dc1f31efTom Gundersen attr_value = udev_device_get_sysattr_value(device, "address");

b3e013148603aa670bc2c060ac63d48e54d76fc2Tom Gundersen

edbb03e95a3c31bf719d5c6c46eec14d0bcb9c8fTom Gundersen if (net_match_config(link->match_mac, link->match_path, link->match_driver,

7eb08da4b388b920c8a894b1500c9cc7dc1f31efTom Gundersen link->match_type, link->match_name, link->match_host,

edbb03e95a3c31bf719d5c6c46eec14d0bcb9c8fTom Gundersen link->match_virt, link->match_kernel, link->match_arch,

eb7040ec50fbfe5aad9eaf305bd442a4a235abaaTom Gundersen attr_value ? ether_aton(attr_value) : NULL,

b3e013148603aa670bc2c060ac63d48e54d76fc2Tom Gundersen udev_device_get_property_value(device, "ID_PATH"),

9b1c2626cef16722603bded9bb52033aba34dd74Tom Gundersen udev_device_get_driver(udev_device_get_parent(device)),

bf175aafd20c9ef974709ef12c5acf836121af33Tom Gundersen udev_device_get_property_value(device, "ID_NET_DRIVER"),

b3e013148603aa670bc2c060ac63d48e54d76fc2Tom Gundersen udev_device_get_devtype(device),

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen udev_device_get_sysname(device))) {

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen if (link->match_name) {

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen unsigned char name_assign_type = NET_NAME_UNKNOWN;

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen attr_value = udev_device_get_sysattr_value(device, "name_assign_type");

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen if (attr_value)

dc75168823540076b354135f6e2de7a9a978fbcaZbigniew Jędrzejewski-Szmek (void) safe_atou8(attr_value, &name_assign_type);

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen if (name_assign_type == NET_NAME_ENUM) {

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen log_warning("Config file %s applies to device based on potentially unpredictable interface name '%s'",

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen link->filename, udev_device_get_sysname(device));

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen *ret = link;

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen return 0;

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen } else if (name_assign_type == NET_NAME_RENAMED) {

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen log_warning("Config file %s matches device based on renamed interface name '%s', ignoring",

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen link->filename, udev_device_get_sysname(device));

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen continue;

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen }

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen }

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen log_debug("Config file %s applies to device %s",

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen link->filename, udev_device_get_sysname(device));

32bc8adcd836baff68e4d0f53b9a382f358cccf8Tom Gundersen

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen *ret = link;

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen

ca6038b89645c0c1bd547d6a420bf95eb3d6f4ccTom Gundersen return 0;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen }

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen }

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen *ret = NULL;

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return -ENOENT;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersenstatic bool mac_is_random(struct udev_device *device) {

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen const char *s;

f1ac700248f231b7bdac2aafe8c35650efddb89fTom Gundersen unsigned type;

f1ac700248f231b7bdac2aafe8c35650efddb89fTom Gundersen int r;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen /* if we can't get the assign type, assume it is not random */

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen s = udev_device_get_sysattr_value(device, "addr_assign_type");

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen if (!s)

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen return false;

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen

f1ac700248f231b7bdac2aafe8c35650efddb89fTom Gundersen r = safe_atou(s, &type);

f1ac700248f231b7bdac2aafe8c35650efddb89fTom Gundersen if (r < 0)

f1ac700248f231b7bdac2aafe8c35650efddb89fTom Gundersen return false;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen return type == NET_ADDR_RANDOM;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen}

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersenstatic bool should_rename(struct udev_device *device, bool respect_predictable) {

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen const char *s;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen unsigned type;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen int r;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen /* if we can't get the assgin type, assume we should rename */

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen s = udev_device_get_sysattr_value(device, "name_assign_type");

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen if (!s)

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen return true;

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen r = safe_atou(s, &type);

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen if (r < 0)

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen return true;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen switch (type) {

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen case NET_NAME_USER:

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen case NET_NAME_RENAMED:

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen /* these were already named by userspace, do not touch again */

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen return false;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen case NET_NAME_PREDICTABLE:

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen /* the kernel claims to have given a predictable name */

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen if (respect_predictable)

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen return false;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen /* fall through */

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen case NET_NAME_ENUM:

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen default:

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen /* the name is known to be bad, or of an unknown type */

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen return true;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen }

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen}

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersenstatic int get_mac(struct udev_device *device, bool want_random,

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersen struct ether_addr *mac) {

9bf3b53533cdc9b95c921b71da755401f223f765Lennart Poettering int r;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen if (want_random)

9bf3b53533cdc9b95c921b71da755401f223f765Lennart Poettering random_bytes(mac->ether_addr_octet, ETH_ALEN);

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen else {

dbe81cbd2a93088236a2e4e41eeb33378940f7b9Martin Pitt uint64_t result;

9bf3b53533cdc9b95c921b71da755401f223f765Lennart Poettering

dbe81cbd2a93088236a2e4e41eeb33378940f7b9Martin Pitt r = net_get_unique_predictable_data(device, &result);

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen if (r < 0)

55428d84f31b52da1c50b7469f14e15740547f20Tom Gundersen return r;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

9bf3b53533cdc9b95c921b71da755401f223f765Lennart Poettering assert_cc(ETH_ALEN <= sizeof(result));

dbe81cbd2a93088236a2e4e41eeb33378940f7b9Martin Pitt memcpy(mac->ether_addr_octet, &result, ETH_ALEN);

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen }

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen /* see eth_random_addr in the kernel */

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen mac->ether_addr_octet[0] &= 0xfe; /* clear multicast bit */

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen mac->ether_addr_octet[0] |= 0x02; /* set local assignment bit (IEEE802) */

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen return 0;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen}

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersenint link_config_apply(link_config_ctx *ctx, link_config *config,

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersen struct udev_device *device, const char **name) {

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen const char *old_name;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen const char *new_name = NULL;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen struct ether_addr generated_mac;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen struct ether_addr *mac = NULL;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen bool respect_predictable = false;

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen int r, ifindex;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen assert(ctx);

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen assert(config);

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen assert(device);

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen assert(name);

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen old_name = udev_device_get_sysname(device);

3e137a1b9a0eac2bf43d493d3302c3c959b6ccdbTom Gundersen if (!old_name)

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return -EINVAL;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

dab495dc23bf9a5ba0487a057bb594355555a0e9Tom Gundersen r = ethtool_set_speed(&ctx->ethtool_fd, old_name, config->speed / 1024, config->duplex);

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen if (r < 0)

dab495dc23bf9a5ba0487a057bb594355555a0e9Tom Gundersen log_warning_errno(r, "Could not set speed or duplex of %s to %zu Mbps (%s): %m",

755bde375f4db393ad06e73340bfcf4d0cf91bb2Lennart Poettering old_name, config->speed / 1024,

755bde375f4db393ad06e73340bfcf4d0cf91bb2Lennart Poettering duplex_to_string(config->duplex));

a501033335ed402c8f7e86fe41a15531ba69abd7Tom Gundersen

aedca89268ed4fd6be41e55a605f011033ad1fb5Tom Gundersen r = ethtool_set_wol(&ctx->ethtool_fd, old_name, config->wol);

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen if (r < 0)

755bde375f4db393ad06e73340bfcf4d0cf91bb2Lennart Poettering log_warning_errno(r, "Could not set WakeOnLan of %s to %s: %m",

755bde375f4db393ad06e73340bfcf4d0cf91bb2Lennart Poettering old_name, wol_to_string(config->wol));

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen ifindex = udev_device_get_ifindex(device);

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen if (ifindex <= 0) {

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen log_warning("Could not find ifindex");

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen return -ENODEV;

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen }

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen

f61942250a43a123580d7bbe5d7873dc5118ed97Tom Gundersen if (ctx->enable_name_policy && config->name_policy) {

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen NamePolicy *policy;

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen

68ba38770640413b4fa06773447666eb88a38d4cTom Gundersen for (policy = config->name_policy;

68ba38770640413b4fa06773447666eb88a38d4cTom Gundersen !new_name && *policy != _NAMEPOLICY_INVALID; policy++) {

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen switch (*policy) {

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen case NAMEPOLICY_KERNEL:

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen respect_predictable = true;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen break;

e51660ae56bb747ece2cab8fe6eec37f4d06a438Tom Gundersen case NAMEPOLICY_DATABASE:

e51660ae56bb747ece2cab8fe6eec37f4d06a438Tom Gundersen new_name = udev_device_get_property_value(device, "ID_NET_NAME_FROM_DATABASE");

e51660ae56bb747ece2cab8fe6eec37f4d06a438Tom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen case NAMEPOLICY_ONBOARD:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen new_name = udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD");

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen case NAMEPOLICY_SLOT:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen new_name = udev_device_get_property_value(device, "ID_NET_NAME_SLOT");

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen case NAMEPOLICY_PATH:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen new_name = udev_device_get_property_value(device, "ID_NET_NAME_PATH");

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen case NAMEPOLICY_MAC:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen new_name = udev_device_get_property_value(device, "ID_NET_NAME_MAC");

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen default:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen }

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen }

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen }

daeb71a36a98834664e4d95773a3629b746f4db8Tom Gundersen

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen if (should_rename(device, respect_predictable)) {

3c9b886068d99e5d3cbabcac32a4decf37244c54Tom Gundersen /* if not set by policy, fall back manually set name */

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen if (!new_name)

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen new_name = config->name;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen } else

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen new_name = NULL;

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen switch (config->mac_policy) {

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen case MACPOLICY_PERSISTENT:

92d927f850d4b668b44f3e5f41e266d934d03726Tom Gundersen if (mac_is_random(device)) {

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen r = get_mac(device, false, &generated_mac);

1c25683e0f40c6169676cc44fa1897082597feecTom Gundersen if (r == -ENOENT) {

1c25683e0f40c6169676cc44fa1897082597feecTom Gundersen log_warning_errno(r, "Could not generate persistent MAC address for %s: %m", old_name);

a669ea9860900d5cdebbc4cb9aaea72db7e28a02Tom Gundersen break;

1c25683e0f40c6169676cc44fa1897082597feecTom Gundersen } else if (r < 0)

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen return r;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen mac = &generated_mac;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen }

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen break;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen case MACPOLICY_RANDOM:

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen if (!mac_is_random(device)) {

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen r = get_mac(device, true, &generated_mac);

1c25683e0f40c6169676cc44fa1897082597feecTom Gundersen if (r == -ENOENT) {

1c25683e0f40c6169676cc44fa1897082597feecTom Gundersen log_warning_errno(r, "Could not generate random MAC address for %s: %m", old_name);

a669ea9860900d5cdebbc4cb9aaea72db7e28a02Tom Gundersen break;

1c25683e0f40c6169676cc44fa1897082597feecTom Gundersen } else if (r < 0)

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen return r;

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen mac = &generated_mac;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen }

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen break;

66d3752e812915a549ebee01769ee761c1495667Jacob Keller case MACPOLICY_NONE:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen default:

5fde13d748749f0e06e2e6cdd15f0980a79ea82cTom Gundersen mac = config->mac;

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen }

16b9b87aeee9353b5b8dae6089a69752422a5b09Tom Gundersen

dab495dc23bf9a5ba0487a057bb594355555a0e9Tom Gundersen r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac, config->mtu);

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt if (r < 0)

f647962d64e844689f3e2acfce6102fc47e76df2Michal Schmidt return log_warning_errno(r, "Could not set Alias, MACAddress or MTU on %s: %m", old_name);

43b3a5ef61859f06cdbaf26765cab8e1adac4296Tom Gundersen

d95b83b87d7d7c50e550f7128827f73a321c8934Tom Gundersen *name = new_name;

d95b83b87d7d7c50e550f7128827f73a321c8934Tom Gundersen

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen return 0;

af6f0d422c521374ee6a2dd92df5935a5a476ae5Tom Gundersen}

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersenint link_get_driver(link_config_ctx *ctx, struct udev_device *device, char **ret) {

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen const char *name;

a7f7d1bde43fc825c49afea3f946f5b4b3d563e0Harald Hoyer char *driver = NULL;

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen int r;

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen name = udev_device_get_sysname(device);

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen if (!name)

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen return -EINVAL;

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen

aedca89268ed4fd6be41e55a605f011033ad1fb5Tom Gundersen r = ethtool_get_driver(&ctx->ethtool_fd, name, &driver);

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen if (r < 0)

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen return r;

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen *ret = driver;

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen return 0;

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen}

847a8a5fed4d265dfa659917515c6f9bd1b8d5c4Tom Gundersen

2c5859afecee81e345fc9526b1083bf79990ffb8Daniel Mackstatic const char* const mac_policy_table[_MACPOLICY_MAX] = {

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen [MACPOLICY_PERSISTENT] = "persistent",

66d3752e812915a549ebee01769ee761c1495667Jacob Keller [MACPOLICY_RANDOM] = "random",

66d3752e812915a549ebee01769ee761c1495667Jacob Keller [MACPOLICY_NONE] = "none"

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen};

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen

be32eb9b7fbcb22e4b648086d644135e38279633Tom GundersenDEFINE_STRING_TABLE_LOOKUP(mac_policy, MACPolicy);

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom GundersenDEFINE_CONFIG_PARSE_ENUM(config_parse_mac_policy, mac_policy, MACPolicy,

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersen "Failed to parse MAC address policy");

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen

2c5859afecee81e345fc9526b1083bf79990ffb8Daniel Mackstatic const char* const name_policy_table[_NAMEPOLICY_MAX] = {

04b67d49254d956d31bcfe80340fb9df7ed332d3Tom Gundersen [NAMEPOLICY_KERNEL] = "kernel",

e51660ae56bb747ece2cab8fe6eec37f4d06a438Tom Gundersen [NAMEPOLICY_DATABASE] = "database",

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen [NAMEPOLICY_ONBOARD] = "onboard",

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen [NAMEPOLICY_SLOT] = "slot",

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen [NAMEPOLICY_PATH] = "path",

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen [NAMEPOLICY_MAC] = "mac"

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen};

be32eb9b7fbcb22e4b648086d644135e38279633Tom Gundersen

be32eb9b7fbcb22e4b648086d644135e38279633Tom GundersenDEFINE_STRING_TABLE_LOOKUP(name_policy, NamePolicy);

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom GundersenDEFINE_CONFIG_PARSE_ENUMV(config_parse_name_policy, name_policy, NamePolicy,

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersen _NAMEPOLICY_INVALID,

464cf22f17e0cf2d8bfa6d72b5e7a662d634f149Tom Gundersen "Failed to parse interface name policy");