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packet: support per-packet fwmark for af_packet sendmsg
Signed-off-by: Edward Hyunkoo Jee <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Cc: Willem de Bruijn <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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1 parent
f28ea365cd
commit
c7d39e3263
1 file changed
+9
-1
@@ -2630,6 +2630,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
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__be16 proto;
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unsigned char *addr;
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int err, reserve = 0;
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struct sockcm_cookie sockc;
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struct virtio_net_hdr vnet_hdr = { 0 };
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int offset = 0;
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int vnet_hdr_len;
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@@ -2665,6 +2666,13 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
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if (unlikely(!(dev->flags & IFF_UP)))
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goto out_unlock;
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sockc.mark = sk->sk_mark;
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if (msg->msg_controllen) {
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err = sock_cmsg_send(sk, msg, &sockc);
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if (unlikely(err))
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goto out_unlock;
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}
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if (sock->type == SOCK_RAW)
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reserve = dev->hard_header_len;
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if (po->has_vnet_hdr) {
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@@ -2774,7 +2782,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
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skb->protocol = proto;
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skb->dev = dev;
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skb->priority = sk->sk_priority;
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skb->mark = sk->sk_mark;
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skb->mark = sockc.mark;
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packet_pick_tx_queue(dev, skb);
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