l3_in_dev 2287 net/ipv4/route.c struct in_device *l3_in_dev; l3_in_dev 2289 net/ipv4/route.c l3_in_dev = __in_dev_get_rcu(skb->dev); l3_in_dev 2290 net/ipv4/route.c if (l3_in_dev) l3_in_dev 2291 net/ipv4/route.c our = ip_check_mc_rcu(l3_in_dev, daddr, saddr,