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authorPatrick McHardy <kaber@trash.net>2008-07-15 07:50:39 +0200
committerDavid S. Miller <davem@davemloft.net>2008-07-15 07:50:39 +0200
commit393e52e33c6c26ec7db290dab803bac1bed962d4 (patch)
tree54e93a35c98b994556724ad96a90871bfc38b3b4 /net
parentpacket: support extensible, 64 bit clean mmaped ring structure (diff)
downloadlinux-393e52e33c6c26ec7db290dab803bac1bed962d4.tar.xz
linux-393e52e33c6c26ec7db290dab803bac1bed962d4.zip
packet: deliver VLAN TCI to userspace
Store the VLAN tag in the auxillary data/tpacket2_hdr so userspace can properly deal with hardware VLAN tagging/stripping. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/packet/af_packet.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 4f059775d48f..db792e02a37f 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -702,6 +702,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
getnstimeofday(&ts);
h.h2->tp_sec = ts.tv_sec;
h.h2->tp_nsec = ts.tv_nsec;
+ h.h2->tp_vlan_tci = skb->vlan_tci;
hdrlen = sizeof(*h.h2);
break;
default:
@@ -1172,6 +1173,7 @@ 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 = skb->vlan_tci;
put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
}