netdev-linux: Cache error code from mtu ioctl.

[sliver-openvswitch.git] / lib / rtnetlink-link.c

diff --git a/lib/rtnetlink-link.c b/lib/rtnetlink-link.c
index 7d26d86..d14f0e3 100644 (file)
--- a/lib/rtnetlink-link.c
+++ b/lib/rtnetlink-link.c
@@ -45,6 +45,7 @@ rtnetlink_link_parse(struct ofpbuf *buf,
     static const struct nl_policy policy[] = {
         [IFLA_IFNAME] = { .type = NL_A_STRING, .optional = false },
         [IFLA_MASTER] = { .type = NL_A_U32,    .optional = true },
+        [IFLA_MTU]    = { .type = NL_A_U32,    .optional = true },
     };
 
     static struct nlattr *attrs[ARRAY_SIZE(policy)];
@@ -63,10 +64,14 @@ rtnetlink_link_parse(struct ofpbuf *buf,
         change->nlmsg_type     = nlmsg->nlmsg_type;
         change->ifi_index      = ifinfo->ifi_index;
         change->ifname         = nl_attr_get_string(attrs[IFLA_IFNAME]);
-        change->running        = ifinfo->ifi_flags & IFF_RUNNING;
+        change->ifi_flags      = ifinfo->ifi_flags;
         change->master_ifindex = (attrs[IFLA_MASTER]
                                   ? nl_attr_get_u32(attrs[IFLA_MASTER])
                                   : 0);
+        change->mtu            = (attrs[IFLA_MTU]
+                                  ? nl_attr_get_u32(attrs[IFLA_MTU])
+                                  : 0);
+
     }
 
     return parsed;