old_gw 739 net/ipv4/route.c __be32 old_gw = ip_hdr(skb)->saddr; old_gw 757 net/ipv4/route.c if (rt->rt_gw_family != AF_INET || rt->rt_gw4 != old_gw) old_gw 765 net/ipv4/route.c if (new_gw == old_gw || !IN_DEV_RX_REDIRECTS(in_dev) || old_gw 771 net/ipv4/route.c if (!inet_addr_onlink(in_dev, new_gw, old_gw)) old_gw 811 net/ipv4/route.c &old_gw, dev->name, &new_gw,