net/ipv4/fib_trie.c

1427 bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags,
1430 	if (nhc->nhc_flags & RTNH_F_DEAD)
1433 	if (ip_ignore_linkdown(nhc->nhc_dev) &&
1434 	    nhc->nhc_flags & RTNH_F_LINKDOWN &&
1438 	if (flp->flowi4_oif && flp->flowi4_oif != nhc->nhc_oif)
1576 		struct fib_nh_common *nhc;
1610 			nhc = nexthop_get_nhc_lookup(fi->nh, fib_flags, flp,
1612 			if (nhc)
1618 			nhc = fib_info_nhc(fi, nhsel);
1620 			if (!fib_lookup_good_nhc(nhc, fib_flags, flp))
1629 			res->nhc = nhc;
1638 			trace_fib_table_lookup(tb->tb_id, flp, nhc, err);
2951 		const struct fib_nh_common *nhc = fib_info_nhc(fi, 0);
2953 		if (nhc->nhc_gw.ipv4)
3000 			struct fib_nh_common *nhc = fib_info_nhc(fi, 0);
3003 			if (nhc->nhc_gw_family == AF_INET)
3004 				gw = nhc->nhc_gw.ipv4;
3009 				   nhc->nhc_dev ? nhc->nhc_dev->name : "*",