234 	struct nlmsghdr		*nlh;  member
313 static inline void *nlmsg_data(const struct nlmsghdr *nlh)  in nlmsg_data()  argument
315 	return (unsigned char *) nlh + NLMSG_HDRLEN;  in nlmsg_data()
322 static inline int nlmsg_len(const struct nlmsghdr *nlh)  in nlmsg_len()  argument
324 	return nlh->nlmsg_len - NLMSG_HDRLEN;  in nlmsg_len()
332 static inline struct nlattr *nlmsg_attrdata(const struct nlmsghdr *nlh,  in nlmsg_attrdata()  argument
335 	unsigned char *data = nlmsg_data(nlh);  in nlmsg_attrdata()
344 static inline int nlmsg_attrlen(const struct nlmsghdr *nlh, int hdrlen)  in nlmsg_attrlen()  argument
346 	return nlmsg_len(nlh) - NLMSG_ALIGN(hdrlen);  in nlmsg_attrlen()
354 static inline int nlmsg_ok(const struct nlmsghdr *nlh, int remaining)  in nlmsg_ok()  argument
357 		nlh->nlmsg_len >= sizeof(struct nlmsghdr) &&  in nlmsg_ok()
358 		nlh->nlmsg_len <= remaining);  in nlmsg_ok()
370 nlmsg_next(const struct nlmsghdr *nlh, int *remaining)  in nlmsg_next()  argument
372 	int totlen = NLMSG_ALIGN(nlh->nlmsg_len);  in nlmsg_next()
376 	return (struct nlmsghdr *) ((unsigned char *) nlh + totlen);  in nlmsg_next()
390 static inline int nlmsg_parse(const struct nlmsghdr *nlh, int hdrlen,  in nlmsg_parse()  argument
395 	if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))  in nlmsg_parse()
398 	return nla_parse(tb, maxtype, nlmsg_attrdata(nlh, hdrlen),  in nlmsg_parse()
399 			 nlmsg_attrlen(nlh, hdrlen), policy, extack);  in nlmsg_parse()
410 static inline struct nlattr *nlmsg_find_attr(const struct nlmsghdr *nlh,  in nlmsg_find_attr()  argument
413 	return nla_find(nlmsg_attrdata(nlh, hdrlen),  in nlmsg_find_attr()
414 			nlmsg_attrlen(nlh, hdrlen), attrtype);  in nlmsg_find_attr()
425 static inline int nlmsg_validate(const struct nlmsghdr *nlh,  in nlmsg_validate()  argument
430 	if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))  in nlmsg_validate()
433 	return nla_validate(nlmsg_attrdata(nlh, hdrlen),  in nlmsg_validate()
434 			    nlmsg_attrlen(nlh, hdrlen), maxtype, policy,  in nlmsg_validate()
444 static inline int nlmsg_report(const struct nlmsghdr *nlh)  in nlmsg_report()  argument
446 	return !!(nlh->nlmsg_flags & NLM_F_ECHO);  in nlmsg_report()
456 #define nlmsg_for_each_attr(pos, nlh, hdrlen, rem) \  argument
457 	nla_for_each_attr(pos, nlmsg_attrdata(nlh, hdrlen), \
458 			  nlmsg_attrlen(nlh, hdrlen), rem)
497 	return nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,  in nlmsg_put_answer()
523 static inline void nlmsg_end(struct sk_buff *skb, struct nlmsghdr *nlh)  in nlmsg_end()  argument
525 	nlh->nlmsg_len = skb_tail_pointer(skb) - (unsigned char *)nlh;  in nlmsg_end()
562 static inline void nlmsg_cancel(struct sk_buff *skb, struct nlmsghdr *nlh)  in nlmsg_cancel()  argument
564 	nlmsg_trim(skb, nlh);  in nlmsg_cancel()
644 			 struct nlmsghdr *nlh)  in nl_dump_check_consistent()  argument
647 		nlh->nlmsg_flags |= NLM_F_DUMP_INTR;  in nl_dump_check_consistent()