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| author | Basil Gor <basil.gor@gmail.com> | 2012-05-04 02:55:23 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-12 02:16:57 +0400 |
| commit | c53cff5e42a06b81495983bd01741b9a954f11f0 (patch) | |
| tree | ede51285061a64bf44cfacfd93580d9707fd32b9 | |
| parent | 13a8e0c8cdb43982372bd6c65fb26839c8fd8ce9 (diff) | |
| download | linux-c53cff5e42a06b81495983bd01741b9a954f11f0.tar.xz | |
vhost-net: fix handle_rx buffer size
Take vlan header length into account, when vlan id is stored as
vlan_tci. Otherwise tagged packets coming from macvtap will be
truncated.
Signed-off-by: Basil Gor <basil.gor@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/vhost/net.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 1f21d2a1e528..5c170100de9c 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -24,6 +24,7 @@ #include <linux/if_arp.h> #include <linux/if_tun.h> #include <linux/if_macvlan.h> +#include <linux/if_vlan.h> #include <net/sock.h> @@ -283,8 +284,12 @@ static int peek_head_len(struct sock *sk) spin_lock_irqsave(&sk->sk_receive_queue.lock, flags); head = skb_peek(&sk->sk_receive_queue); - if (likely(head)) + if (likely(head)) { len = head->len; + if (vlan_tx_tag_present(head)) + len += VLAN_HLEN; + } + spin_unlock_irqrestore(&sk->sk_receive_queue.lock, flags); return len; } |