diff --git a/include/linux/if_packet.h b/include/linux/if_packet.h index d4d3c82448f57a95c01babcd5d29f6acb85dcf5c..a630295b255f4e35bdab5486e4288914c40a9aee 100644 --- a/include/linux/if_packet.h +++ b/include/linux/if_packet.h @@ -59,6 +59,7 @@ struct tpacket_auxdata __u32 tp_snaplen; __u16 tp_mac; __u16 tp_net; + __u16 tp_vlan_tci; }; struct tpacket_hdr @@ -90,6 +91,7 @@ struct tpacket2_hdr __u16 tp_net; __u32 tp_sec; __u32 tp_nsec; + __u16 tp_vlan_tci; }; #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll)) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 4f059775d48f3387d9060bbef7d19383c503d994..db792e02a37feec8b65d9c61976cf69f49c3b140 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); }