216 static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,  in nfnetlink_rcv_msg()  argument
225 	if (nlmsg_len(nlh) < sizeof(struct nfgenmsg))  in nfnetlink_rcv_msg()
228 	type = nlh->nlmsg_type;  in nfnetlink_rcv_msg()
256 		u8 cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type);  in nfnetlink_rcv_msg()
258 		struct nlattr *attr = (void *)nlh + min_len;  in nfnetlink_rcv_msg()
259 		int attrlen = nlh->nlmsg_len - min_len;  in nfnetlink_rcv_msg()
264 			.nlh	= nlh,  in nfnetlink_rcv_msg()
265 			.nfmsg	= nlmsg_data(nlh),  in nfnetlink_rcv_msg()
318 	struct nlmsghdr		*nlh;  member
323 static int nfnl_err_add(struct list_head *list, struct nlmsghdr *nlh, int err,  in nfnl_err_add()  argument
332 	nfnl_err->nlh = nlh;  in nfnl_err_add()
359 		netlink_ack(skb, nfnl_err->nlh, nfnl_err->err,  in nfnl_err_deliver()
371 static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,  in nfnetlink_rcv_batch()  argument
384 		return netlink_ack(skb, nlh, -EINVAL, NULL);  in nfnetlink_rcv_batch()
390 		return netlink_ack(oskb, nlh, -ENOMEM, NULL);  in nfnetlink_rcv_batch()
404 			netlink_ack(oskb, nlh, -EOPNOTSUPP, NULL);  in nfnetlink_rcv_batch()
411 		netlink_ack(oskb, nlh, -EOPNOTSUPP, NULL);  in nfnetlink_rcv_batch()
417 		netlink_ack(oskb, nlh, -EOPNOTSUPP, NULL);  in nfnetlink_rcv_batch()
424 		netlink_ack(oskb, nlh, -ERESTART, NULL);  in nfnetlink_rcv_batch()
441 		nlh = nlmsg_hdr(skb);  in nfnetlink_rcv_batch()
444 		if (nlh->nlmsg_len < NLMSG_HDRLEN ||  in nfnetlink_rcv_batch()
445 		    skb->len < nlh->nlmsg_len ||  in nfnetlink_rcv_batch()
446 		    nlmsg_len(nlh) < sizeof(struct nfgenmsg)) {  in nfnetlink_rcv_batch()
453 		if (!(nlh->nlmsg_flags & NLM_F_REQUEST)) {  in nfnetlink_rcv_batch()
458 		type = nlh->nlmsg_type;  in nfnetlink_rcv_batch()
495 			struct nlattr *attr = (void *)nlh + min_len;  in nfnetlink_rcv_batch()
496 			u8 cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type);  in nfnetlink_rcv_batch()
497 			int attrlen = nlh->nlmsg_len - min_len;  in nfnetlink_rcv_batch()
501 				.nlh	= nlh,  in nfnetlink_rcv_batch()
502 				.nfmsg	= nlmsg_data(nlh),  in nfnetlink_rcv_batch()
531 		if (nlh->nlmsg_flags & NLM_F_ACK || err) {  in nfnetlink_rcv_batch()
537 			    nfnl_err_add(&err_list, nlh, err, &extack) < 0) {  in nfnetlink_rcv_batch()
556 		msglen = NLMSG_ALIGN(nlh->nlmsg_len);  in nfnetlink_rcv_batch()
604 static void nfnetlink_rcv_skb_batch(struct sk_buff *skb, struct nlmsghdr *nlh)  in nfnetlink_rcv_skb_batch()  argument
607 	struct nlattr *attr = (void *)nlh + min_len;  in nfnetlink_rcv_skb_batch()
609 	int attrlen = nlh->nlmsg_len - min_len;  in nfnetlink_rcv_skb_batch()
615 	msglen = NLMSG_ALIGN(nlh->nlmsg_len);  in nfnetlink_rcv_skb_batch()
625 		netlink_ack(skb, nlh, err, NULL);  in nfnetlink_rcv_skb_batch()
631 	nfgenmsg = nlmsg_data(nlh);  in nfnetlink_rcv_skb_batch()
639 	nfnetlink_rcv_batch(skb, nlh, res_id, gen_id);  in nfnetlink_rcv_skb_batch()
644 	struct nlmsghdr *nlh = nlmsg_hdr(skb);  in nfnetlink_rcv()  local
647 	    nlh->nlmsg_len < NLMSG_HDRLEN ||  in nfnetlink_rcv()
648 	    skb->len < nlh->nlmsg_len)  in nfnetlink_rcv()
652 		netlink_ack(skb, nlh, -EPERM, NULL);  in nfnetlink_rcv()
656 	if (nlh->nlmsg_type == NFNL_MSG_BATCH_BEGIN)  in nfnetlink_rcv()
657 		nfnetlink_rcv_skb_batch(skb, nlh);  in nfnetlink_rcv()