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;
}
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"