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Diffstat (limited to 'net/packet')
-rw-r--r--net/packet/af_packet.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 925f715686a5..ba248d93399a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -798,7 +798,12 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
getnstimeofday(&ts);
h.h2->tp_sec = ts.tv_sec;
h.h2->tp_nsec = ts.tv_nsec;
- h.h2->tp_vlan_tci = vlan_tx_tag_get(skb);
+ if (vlan_tx_tag_present(skb)) {
+ h.h2->tp_vlan_tci = vlan_tx_tag_get(skb);
+ status |= TP_STATUS_VLAN_VALID;
+ } else {
+ h.h2->tp_vlan_tci = 0;
+ }
hdrlen = sizeof(*h.h2);
break;
default:
@@ -1725,8 +1730,12 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
aux.tp_snaplen = skb->len;
aux.tp_mac = 0;
aux.tp_net = skb_network_offset(skb);
- aux.tp_vlan_tci = vlan_tx_tag_get(skb);
-
+ if (vlan_tx_tag_present(skb)) {
+ aux.tp_vlan_tci = vlan_tx_tag_get(skb);
+ aux.tp_status |= TP_STATUS_VLAN_VALID;
+ } else {
+ aux.tp_vlan_tci = 0;
+ }
put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
}