+ memcpy(msg->msg_name, &PACKET_SKB_CB(skb)->sa,
+ msg->msg_namelen);
+
+ if (pkt_sk(sk)->auxdata) {
+ struct tpacket_auxdata aux;
+
+ aux.tp_status = TP_STATUS_USER;
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ aux.tp_status |= TP_STATUS_CSUMNOTREADY;
+ aux.tp_len = PACKET_SKB_CB(skb)->origlen;
+ aux.tp_snaplen = skb->len;
+ aux.tp_mac = 0;
+ aux.tp_net = skb->nh.raw - skb->data;
+
+ put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
+ }