diff --git a/zebra/if_netlink.c b/zebra/if_netlink.c index 28538fabdf..006fcf16f4 100644 --- a/zebra/if_netlink.c +++ b/zebra/if_netlink.c @@ -746,7 +746,7 @@ netlink_link_change (struct sockaddr_nl *snl, struct nlmsghdr *h, } /* See if interface is present. */ - ifp = if_lookup_by_index_per_ns (zns, ifi->ifi_index); + ifp = if_lookup_by_name_per_ns (zns, name); if (h->nlmsg_type == RTM_NEWLINK) { diff --git a/zebra/interface.c b/zebra/interface.c index 444f3bd587..b227409586 100644 --- a/zebra/interface.c +++ b/zebra/interface.c @@ -211,6 +211,23 @@ if_lookup_by_index_per_ns (struct zebra_ns *ns, u_int32_t ifindex) return ifp; } +/* Look up an interface by name within a NS */ +struct interface * +if_lookup_by_name_per_ns (struct zebra_ns *ns, const char *ifname) +{ + struct route_node *rn; + struct interface *ifp; + + for (rn = route_top (ns->if_table); rn; rn = route_next (rn)) + { + ifp = (struct interface *)rn->info; + if (ifp && strcmp (ifp->name, ifname) == 0) + return (ifp); + } + + return NULL; +} + const char * ifindex2ifname_per_ns (struct zebra_ns *zns, unsigned int ifindex) { diff --git a/zebra/interface.h b/zebra/interface.h index 6039e2d379..9f108760d6 100644 --- a/zebra/interface.h +++ b/zebra/interface.h @@ -236,6 +236,7 @@ struct zebra_if extern struct interface *if_lookup_by_index_per_ns (struct zebra_ns *, u_int32_t); +extern struct interface *if_lookup_by_name_per_ns (struct zebra_ns *, const char *); extern struct interface *if_link_per_ns (struct zebra_ns *, struct interface *); extern const char *ifindex2ifname_per_ns (struct zebra_ns *, unsigned int);