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Commit c53cff5e authored by Basil Gor's avatar Basil Gor Committed by David S. Miller
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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: default avatarBasil Gor <basil.gor@gmail.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 13a8e0c8
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+6 −1
Original line number Diff line number Diff line
@@ -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;
}