diff options
Diffstat (limited to 'src/udev/net/link-config.c')
| -rw-r--r-- | src/udev/net/link-config.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c index e8389c9be0..40b1d7f7bc 100644 --- a/src/udev/net/link-config.c +++ b/src/udev/net/link-config.c @@ -90,16 +90,17 @@ int link_config_ctx_new(link_config_ctx **ret) { static int link_config_ctx_connect(link_config_ctx *ctx) { int r; - if (ctx->ethtool_fd >= 0 && ctx->rtnl) - return 0; - - r = ethtool_connect(&ctx->ethtool_fd); - if (r < 0) - return r; + if (ctx->ethtool_fd == -1) { + r = ethtool_connect(&ctx->ethtool_fd); + if (r < 0) + return r; + } - r = sd_rtnl_open(&ctx->rtnl, 0); - if (r < 0) - return r; + if (!ctx->rtnl) { + r = sd_rtnl_open(&ctx->rtnl, 0); + if (r < 0) + return r; + } return 0; } @@ -442,6 +443,27 @@ int link_config_apply(link_config_ctx *ctx, link_config *config, struct udev_dev return 0; } +int link_get_driver(link_config_ctx *ctx, struct udev_device *device, char **ret) { + const char *name; + char *driver; + int r; + + r = link_config_ctx_connect(ctx); + if (r < 0) + return r; + + name = udev_device_get_sysname(device); + if (!name) + return -EINVAL; + + r = ethtool_get_driver(ctx->ethtool_fd, name, &driver); + if (r < 0) + return r; + + *ret = driver; + return 0; +} + static const char* const mac_policy_table[] = { [MACPOLICY_PERSISTENT] = "persistent", [MACPOLICY_RANDOM] = "random" |