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virtio-net: restore VIRTIO_HDR_F_DATA_VALID on receiving

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Commit 501db51139 ("virtio: don't set VIRTIO_NET_HDR_F_DATA_VALID on
xmit") in fact disables VIRTIO_HDR_F_DATA_VALID on receiving path too,
fixing this by adding a hint (has_data_valid) and set it only on the
receiving path.

Cc: Rolf Neugebauer <rolf.neugebauer@docker.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jason Wang
2017-01-20 14:32:42 +08:00
committed by David S. Miller
parent 69fed99baa
commit 6391a4481b
5 changed files with 10 additions and 6 deletions
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2
drivers/net/tun.c
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@@ -1360,7 +1360,7 @@ static ssize_t tun_put_user(struct tun_struct *tun,
return -EINVAL;
if (virtio_net_hdr_from_skb(skb, &gso,
tun_is_little_endian(tun))) {
tun_is_little_endian(tun), true)) {
struct skb_shared_info *sinfo = skb_shinfo(skb);
pr_err("unexpected GSO type: "
"0x%x, gso_size %d, hdr_len %d\n",