763 		 struct nlmsghdr *nlh, gfp_t flags)  in rtnl_notify()  argument
767 	nlmsg_notify(rtnl, skb, pid, group, nlmsg_report(nlh), flags);  in rtnl_notify()
1739 	struct nlmsghdr *nlh;  in rtnl_fill_ifinfo()  local
1743 	nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ifm), flags);  in rtnl_fill_ifinfo()
1744 	if (nlh == NULL)  in rtnl_fill_ifinfo()
1747 	ifm = nlmsg_data(nlh);  in rtnl_fill_ifinfo()
1868 	nlmsg_end(skb, nlh);  in rtnl_fill_ifinfo()
1874 	nlmsg_cancel(skb, nlh);  in rtnl_fill_ifinfo()
2071 static int rtnl_valid_dump_ifinfo_req(const struct nlmsghdr *nlh,  in rtnl_valid_dump_ifinfo_req()  argument
2080 		if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifm))) {  in rtnl_valid_dump_ifinfo_req()
2085 		ifm = nlmsg_data(nlh);  in rtnl_valid_dump_ifinfo_req()
2096 		return nlmsg_parse_deprecated_strict(nlh, sizeof(*ifm), tb,  in rtnl_valid_dump_ifinfo_req()
2108 	hdrlen = nlmsg_len(nlh) < sizeof(struct ifinfomsg) ?  in rtnl_valid_dump_ifinfo_req()
2111 	return nlmsg_parse_deprecated(nlh, hdrlen, tb, IFLA_MAX, ifla_policy,  in rtnl_valid_dump_ifinfo_req()
2118 	const struct nlmsghdr *nlh = cb->nlh;  in rtnl_dump_ifinfo()  local
2136 	err = rtnl_valid_dump_ifinfo_req(nlh, cb->strict_check, tb, extack);  in rtnl_dump_ifinfo()
2190 					       nlh->nlmsg_seq, 0, flags,  in rtnl_dump_ifinfo()
3040 static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_setlink()  argument
3049 	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFLA_MAX,  in rtnl_setlink()
3059 	ifm = nlmsg_data(nlh);  in rtnl_setlink()
3129 static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_dellink()  argument
3140 	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFLA_MAX,  in rtnl_dellink()
3157 	ifm = nlmsg_data(nlh);  in rtnl_dellink()
3408 static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,  in __rtnl_newlink()  argument
3429 	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFLA_MAX,  in __rtnl_newlink()
3438 	ifm = nlmsg_data(nlh);  in __rtnl_newlink()
3520 		if (nlh->nlmsg_flags & NLM_F_EXCL)  in __rtnl_newlink()
3522 		if (nlh->nlmsg_flags & NLM_F_REPLACE)  in __rtnl_newlink()
3550 	if (!(nlh->nlmsg_flags & NLM_F_CREATE)) {  in __rtnl_newlink()
3584 static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_newlink()  argument
3594 	ret = __rtnl_newlink(skb, nlh, tbs, extack);  in rtnl_newlink()
3600 				  const struct nlmsghdr *nlh,  in rtnl_valid_getlink_req()  argument
3607 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifm))) {  in rtnl_valid_getlink_req()
3613 		return nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFLA_MAX,  in rtnl_valid_getlink_req()
3616 	ifm = nlmsg_data(nlh);  in rtnl_valid_getlink_req()
3623 	err = nlmsg_parse_deprecated_strict(nlh, sizeof(*ifm), tb, IFLA_MAX,  in rtnl_valid_getlink_req()
3647 static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_getlink()  argument
3660 	err = rtnl_valid_getlink_req(skb, nlh, tb, extack);  in rtnl_getlink()
3679 	ifm = nlmsg_data(nlh);  in rtnl_getlink()
3698 			       nlh->nlmsg_seq, 0, 0, ext_filter_mask,  in rtnl_getlink()
3755 static int rtnl_linkprop(int cmd, struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_linkprop()  argument
3766 	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy, extack);  in rtnl_linkprop()
3774 	ifm = nlmsg_data(nlh);  in rtnl_linkprop()
3803 static int rtnl_newlinkprop(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_newlinkprop()  argument
3806 	return rtnl_linkprop(RTM_NEWLINKPROP, skb, nlh, extack);  in rtnl_newlinkprop()
3809 static int rtnl_dellinkprop(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_dellinkprop()  argument
3812 	return rtnl_linkprop(RTM_DELLINKPROP, skb, nlh, extack);  in rtnl_dellinkprop()
3815 static u32 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)  in rtnl_calcit()  argument
3825 	hdrlen = nlmsg_len(nlh) < sizeof(struct ifinfomsg) ?  in rtnl_calcit()
3828 	if (nlmsg_parse_deprecated(nlh, hdrlen, tb, IFLA_MAX, ifla_policy, NULL) >= 0) {  in rtnl_calcit()
3853 	int type = cb->nlh->nlmsg_type - RTM_BASE;  in rtnl_dump_all()
3967 	struct nlmsghdr *nlh;  in nlmsg_populate_fdb_fill()  local
3970 	nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ndm), nlflags);  in nlmsg_populate_fdb_fill()
3971 	if (!nlh)  in nlmsg_populate_fdb_fill()
3974 	ndm = nlmsg_data(nlh);  in nlmsg_populate_fdb_fill()
3989 	nlmsg_end(skb, nlh);  in nlmsg_populate_fdb_fill()
3993 	nlmsg_cancel(skb, nlh);  in nlmsg_populate_fdb_fill()
4088 static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_fdb_add()  argument
4099 	err = nlmsg_parse_deprecated(nlh, sizeof(*ndm), tb, NDA_MAX, NULL,  in rtnl_fdb_add()
4104 	ndm = nlmsg_data(nlh);  in rtnl_fdb_add()
4141 				       nlh->nlmsg_flags, extack);  in rtnl_fdb_add()
4153 							   nlh->nlmsg_flags,  in rtnl_fdb_add()
4157 					       nlh->nlmsg_flags);  in rtnl_fdb_add()
4203 static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_fdb_del()  argument
4206 	bool del_bulk = !!(nlh->nlmsg_flags & NLM_F_BULK);  in rtnl_fdb_del()
4220 		err = nlmsg_parse_deprecated(nlh, sizeof(*ndm), tb, NDA_MAX,  in rtnl_fdb_del()
4223 		err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX,  in rtnl_fdb_del()
4229 	ndm = nlmsg_data(nlh);  in rtnl_fdb_del()
4319 	seq = cb->nlh->nlmsg_seq;  in nlmsg_populate_fdb()
4370 static int valid_fdb_dump_strict(const struct nlmsghdr *nlh,  in valid_fdb_dump_strict()  argument
4378 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ndm))) {  in valid_fdb_dump_strict()
4383 	ndm = nlmsg_data(nlh);  in valid_fdb_dump_strict()
4390 	err = nlmsg_parse_deprecated_strict(nlh, sizeof(struct ndmsg), tb,  in valid_fdb_dump_strict()
4424 static int valid_fdb_dump_legacy(const struct nlmsghdr *nlh,  in valid_fdb_dump_legacy()  argument
4438 	if (nlmsg_len(nlh) != sizeof(struct ndmsg) &&  in valid_fdb_dump_legacy()
4439 	    (nlmsg_len(nlh) != sizeof(struct ndmsg) +  in valid_fdb_dump_legacy()
4443 		err = nlmsg_parse_deprecated(nlh, sizeof(struct ifinfomsg),  in valid_fdb_dump_legacy()
4453 		ifm = nlmsg_data(nlh);  in valid_fdb_dump_legacy()
4475 		err = valid_fdb_dump_strict(cb->nlh, &br_idx, &brport_idx,  in rtnl_fdb_dump()
4478 		err = valid_fdb_dump_legacy(cb->nlh, &br_idx, &brport_idx,  in rtnl_fdb_dump()
4559 static int valid_fdb_get_strict(const struct nlmsghdr *nlh,  in valid_fdb_get_strict()  argument
4567 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ndm))) {  in valid_fdb_get_strict()
4572 	ndm = nlmsg_data(nlh);  in valid_fdb_get_strict()
4584 	err = nlmsg_parse_deprecated_strict(nlh, sizeof(struct ndmsg), tb,  in valid_fdb_get_strict()
4622 static int rtnl_fdb_get(struct sk_buff *in_skb, struct nlmsghdr *nlh,  in rtnl_fdb_get()  argument
4637 	err = valid_fdb_get_strict(nlh, tb, &ndm_flags, &br_idx,  in rtnl_fdb_get()
4708 			       nlh->nlmsg_seq, extack);  in rtnl_fdb_get()
4734 	struct nlmsghdr *nlh;  in ndo_dflt_bridge_getlink()  local
4742 	nlh = nlmsg_put(skb, pid, seq, RTM_NEWLINK, sizeof(*ifm), nlflags);  in ndo_dflt_bridge_getlink()
4743 	if (nlh == NULL)  in ndo_dflt_bridge_getlink()
4746 	ifm = nlmsg_data(nlh);  in ndo_dflt_bridge_getlink()
4821 	nlmsg_end(skb, nlh);  in ndo_dflt_bridge_getlink()
4824 	nlmsg_cancel(skb, nlh);  in ndo_dflt_bridge_getlink()
4829 static int valid_bridge_getlink_req(const struct nlmsghdr *nlh,  in valid_bridge_getlink_req()  argument
4839 		if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifm))) {  in valid_bridge_getlink_req()
4844 		ifm = nlmsg_data(nlh);  in valid_bridge_getlink_req()
4851 		err = nlmsg_parse_deprecated_strict(nlh,  in valid_bridge_getlink_req()
4856 		err = nlmsg_parse_deprecated(nlh, sizeof(struct ifinfomsg),  in valid_bridge_getlink_req()
4885 	const struct nlmsghdr *nlh = cb->nlh;  in rtnl_bridge_getlink()  local
4890 	u32 seq = nlh->nlmsg_seq;  in rtnl_bridge_getlink()
4894 	err = valid_bridge_getlink_req(nlh, cb->strict_check, &filter_mask,  in rtnl_bridge_getlink()
4994 static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_bridge_setlink()  argument
5005 	if (nlmsg_len(nlh) < sizeof(*ifm))  in rtnl_bridge_setlink()
5008 	ifm = nlmsg_data(nlh);  in rtnl_bridge_setlink()
5018 	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);  in rtnl_bridge_setlink()
5040 		err = br_dev->netdev_ops->ndo_bridge_setlink(dev, nlh, flags,  in rtnl_bridge_setlink()
5052 			err = dev->netdev_ops->ndo_bridge_setlink(dev, nlh,  in rtnl_bridge_setlink()
5071 static int rtnl_bridge_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_bridge_dellink()  argument
5082 	if (nlmsg_len(nlh) < sizeof(*ifm))  in rtnl_bridge_dellink()
5085 	ifm = nlmsg_data(nlh);  in rtnl_bridge_dellink()
5095 	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);  in rtnl_bridge_dellink()
5117 		err = br_dev->netdev_ops->ndo_bridge_dellink(dev, nlh, flags);  in rtnl_bridge_dellink()
5128 			err = dev->netdev_ops->ndo_bridge_dellink(dev, nlh,  in rtnl_bridge_dellink()
5431 	struct nlmsghdr *nlh;  in rtnl_fill_statsinfo()  local
5438 	nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ifsm), flags);  in rtnl_fill_statsinfo()
5439 	if (!nlh)  in rtnl_fill_statsinfo()
5442 	ifsm = nlmsg_data(nlh);  in rtnl_fill_statsinfo()
5575 	nlmsg_end(skb, nlh);  in rtnl_fill_statsinfo()
5582 		nlmsg_cancel(skb, nlh);  in rtnl_fill_statsinfo()
5584 		nlmsg_end(skb, nlh);  in rtnl_fill_statsinfo()
5703 static int rtnl_stats_get_parse(const struct nlmsghdr *nlh,  in rtnl_stats_get_parse()  argument
5716 	err = nlmsg_parse(nlh, sizeof(struct if_stats_msg), tb,  in rtnl_stats_get_parse()
5731 static int rtnl_valid_stats_req(const struct nlmsghdr *nlh, bool strict_check,  in rtnl_valid_stats_req()  argument
5736 	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifsm))) {  in rtnl_valid_stats_req()
5744 	ifsm = nlmsg_data(nlh);  in rtnl_valid_stats_req()
5761 static int rtnl_stats_get(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_stats_get()  argument
5772 	err = rtnl_valid_stats_req(nlh, netlink_strict_get_check(skb),  in rtnl_stats_get()
5777 	ifsm = nlmsg_data(nlh);  in rtnl_stats_get()
5791 	err = rtnl_stats_get_parse(nlh, ifsm->filter_mask, &filters, extack);  in rtnl_stats_get()
5800 				  NETLINK_CB(skb).portid, nlh->nlmsg_seq, 0,  in rtnl_stats_get()
5832 	err = rtnl_valid_stats_req(cb->nlh, cb->strict_check, true, extack);  in rtnl_stats_dump()
5836 	ifsm = nlmsg_data(cb->nlh);  in rtnl_stats_dump()
5842 	err = rtnl_stats_get_parse(cb->nlh, ifsm->filter_mask, &filters,  in rtnl_stats_dump()
5855 						  cb->nlh->nlmsg_seq, 0,  in rtnl_stats_dump()
5917 static int rtnl_stats_set(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnl_stats_set()  argument
5929 	err = rtnl_valid_stats_req(nlh, netlink_strict_get_check(skb),  in rtnl_stats_set()
5934 	ifsm = nlmsg_data(nlh);  in rtnl_stats_set()
5953 	err = nlmsg_parse(nlh, sizeof(*ifsm), tb, IFLA_STATS_GETSET_MAX,  in rtnl_stats_set()
5985 static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,  in rtnetlink_rcv_msg()  argument
5998 	type = nlh->nlmsg_type;  in rtnetlink_rcv_msg()
6005 	if (nlmsg_len(nlh) < sizeof(struct rtgenmsg))  in rtnetlink_rcv_msg()
6008 	family = ((struct rtgenmsg *)nlmsg_data(nlh))->rtgen_family;  in rtnetlink_rcv_msg()
6015 	if (kind == RTNL_KIND_GET && (nlh->nlmsg_flags & NLM_F_DUMP)) {  in rtnetlink_rcv_msg()
6031 			min_dump_alloc = rtnl_calcit(skb, nlh);  in rtnetlink_rcv_msg()
6047 			err = netlink_dump_start(rtnl, skb, nlh, &c);  in rtnetlink_rcv_msg()
6071 	if (kind == RTNL_KIND_DEL && (nlh->nlmsg_flags & NLM_F_BULK) &&  in rtnetlink_rcv_msg()
6082 			err = doit(skb, nlh, extack);  in rtnetlink_rcv_msg()
6091 		err = link->doit(skb, nlh, extack);  in rtnetlink_rcv_msg()