IN_DEV_SRC_VMARK 300 net/ipv4/fib_frontend.c bool vmark = in_dev && IN_DEV_SRC_VMARK(in_dev); IN_DEV_SRC_VMARK 378 net/ipv4/fib_frontend.c fl4.flowi4_mark = IN_DEV_SRC_VMARK(idev) ? skb->mark : 0;