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Commit c7d39e32 authored by Edward Jee's avatar Edward Jee Committed by David S. Miller
Browse files

packet: support per-packet fwmark for af_packet sendmsg 



Signed-off-by: default avatarEdward Hyunkoo Jee <edjee@google.com>
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f28ea365

net/packet/af_packet.c

+9 −1
Original line number Diff line number Diff line
@@ -2630,6 +2630,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) 
	__be16 proto;

	unsigned char *addr;

	int err, reserve = 0;

	struct sockcm_cookie sockc;

	struct virtio_net_hdr vnet_hdr = { 0 };

	int offset = 0;

	int vnet_hdr_len;
@@ -2665,6 +2666,13 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) 
	if (unlikely(!(dev->flags & IFF_UP)))

		goto out_unlock;



	sockc.mark = sk->sk_mark;

	if (msg->msg_controllen) {

		err = sock_cmsg_send(sk, msg, &sockc);

		if (unlikely(err))

			goto out_unlock;

	}



	if (sock->type == SOCK_RAW)

		reserve = dev->hard_header_len;

	if (po->has_vnet_hdr) {
@@ -2774,7 +2782,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) 
	skb->protocol = proto;

	skb->dev = dev;

	skb->priority = sk->sk_priority;

	skb->mark = sk->sk_mark;

	skb->mark = sockc.mark;



	packet_pick_tx_queue(dev, skb);