net/netfilter/nfnetlink_queue.c

492 	struct sk_buff *entskb = entry->skb;
495 	if (entry->state.pf != PF_BRIDGE || !skb_mac_header_was_set(entskb))
498 	if (skb_vlan_tag_present(entskb))
502 	if (entskb->network_header > entskb->mac_header)
503 		nlalen += nla_total_size((entskb->network_header -
504 					  entskb->mac_header));
511 	struct sk_buff *entskb = entry->skb;
513 	if (entry->state.pf != PF_BRIDGE || !skb_mac_header_was_set(entskb))
516 	if (skb_vlan_tag_present(entskb)) {
523 		if (nla_put_be16(skb, NFQA_VLAN_TCI, htons(entskb->vlan_tci)) ||
524 		    nla_put_be16(skb, NFQA_VLAN_PROTO, entskb->vlan_proto))
530 	if (entskb->mac_header < entskb->network_header) {
531 		int len = (int)(entskb->network_header - entskb->mac_header);
533 		if (nla_put(skb, NFQA_L2HDR, len, skb_mac_header(entskb)))
555 	struct sk_buff *entskb = entry->skb;
583 	tstamp = skb_tstamp_cond(entskb, false);
590 	   (entry->state.hook == NF_INET_POST_ROUTING && entskb->sk == NULL))
591 		csum_verify = !skb_csum_unnecessary(entskb);
604 		    entskb->ip_summed == CHECKSUM_PARTIAL &&
605 		    skb_checksum_help(entskb))
609 		if (data_len > entskb->len)
610 			data_len = entskb->len;
612 		hlen = skb_zerocopy_headlen(entskb);
615 		cap_len = entskb->len;
624 			ct = nf_ct_get(entskb, &ctinfo);
636 	if ((queue->flags & NFQA_CFG_F_SECCTX) && entskb->sk) {
637 		seclen = nfqnl_get_sk_secctx(entskb, &secdata);
644 		skb_tx_error(entskb);
653 		skb_tx_error(entskb);
660 	pmsg->hw_protocol	= entskb->protocol;
690 			physinif = nf_bridge_get_physinif(entskb);
724 			physoutif = nf_bridge_get_physoutif(entskb);
733 	if (entskb->mark &&
734 	    nla_put_be32(skb, NFQA_MARK, htonl(entskb->mark)))
737 	if (entskb->priority &&
738 	    nla_put_be32(skb, NFQA_PRIORITY, htonl(entskb->priority)))
741 	if (indev && entskb->dev &&
742 	    skb_mac_header_was_set(entskb) &&
743 	    skb_mac_header_len(entskb) != 0) {
748 		len = dev_parse_header(entskb, phw.hw_addr);
770 	if ((queue->flags & NFQA_CFG_F_UID_GID) && entskb->sk &&
771 	    nfqnl_put_sk_uidgid(skb, entskb->sk) < 0)
774 	if (nfqnl_put_sk_classid(skb, entskb->sk) < 0)
787 	if (nfqnl_put_packet_info(skb, entskb, csum_verify))
800 		if (skb_zerocopy(skb, entskb, data_len, hlen))
810 	skb_tx_error(entskb);