382 				const struct nlattr *a[],  in __parse_flow_nlattrs()  argument
414 			a[type] = nla;  in __parse_flow_nlattrs()
427 				   const struct nlattr *a[], u64 *attrsp,  in parse_flow_mask_nlattrs()  argument
430 	return __parse_flow_nlattrs(attr, a, attrsp, log, true);  in parse_flow_mask_nlattrs()
434 			      const struct nlattr *a[], u64 *attrsp,  in parse_flow_nlattrs()  argument
437 	return __parse_flow_nlattrs(attr, a, attrsp, log, false);  in parse_flow_nlattrs()
440 static int genev_tun_opt_from_nlattr(const struct nlattr *a,  in genev_tun_opt_from_nlattr()  argument
446 	if (nla_len(a) > sizeof(match->key->tun_opts)) {  in genev_tun_opt_from_nlattr()
448 			  nla_len(a), sizeof(match->key->tun_opts));  in genev_tun_opt_from_nlattr()
452 	if (nla_len(a) % 4 != 0) {  in genev_tun_opt_from_nlattr()
454 			  nla_len(a));  in genev_tun_opt_from_nlattr()
463 		SW_FLOW_KEY_PUT(match, tun_opts_len, nla_len(a),  in genev_tun_opt_from_nlattr()
476 		if (match->key->tun_opts_len != nla_len(a)) {  in genev_tun_opt_from_nlattr()
478 				  match->key->tun_opts_len, nla_len(a));  in genev_tun_opt_from_nlattr()
485 	opt_key_offset = TUN_METADATA_OFFSET(nla_len(a));  in genev_tun_opt_from_nlattr()
486 	SW_FLOW_KEY_MEMCPY_OFFSET(match, opt_key_offset, nla_data(a),  in genev_tun_opt_from_nlattr()
487 				  nla_len(a), is_mask);  in genev_tun_opt_from_nlattr()
495 	struct nlattr *a;  in vxlan_tun_opt_from_nlattr()  local
503 	nla_for_each_nested(a, attr, rem) {  in vxlan_tun_opt_from_nlattr()
504 		int type = nla_type(a);  in vxlan_tun_opt_from_nlattr()
512 		if (!check_attr_len(nla_len(a),  in vxlan_tun_opt_from_nlattr()
515 				  type, nla_len(a),  in vxlan_tun_opt_from_nlattr()
522 			opts.gbp = nla_get_u32(a);  in vxlan_tun_opt_from_nlattr()
554 	struct nlattr *a;  in ip_tun_from_nlattr()  local
557 	nla_for_each_nested(a, attr, rem) {  in ip_tun_from_nlattr()
558 		int type = nla_type(a);  in ip_tun_from_nlattr()
567 		if (!check_attr_len(nla_len(a),  in ip_tun_from_nlattr()
570 				  type, nla_len(a), ovs_tunnel_key_lens[type].len);  in ip_tun_from_nlattr()
577 					nla_get_be64(a), is_mask);  in ip_tun_from_nlattr()
582 					nla_get_in_addr(a), is_mask);  in ip_tun_from_nlattr()
587 					nla_get_in_addr(a), is_mask);  in ip_tun_from_nlattr()
592 					nla_get_in6_addr(a), is_mask);  in ip_tun_from_nlattr()
597 					nla_get_in6_addr(a), is_mask);  in ip_tun_from_nlattr()
602 					nla_get_u8(a), is_mask);  in ip_tun_from_nlattr()
606 					nla_get_u8(a), is_mask);  in ip_tun_from_nlattr()
617 					nla_get_be16(a), is_mask);  in ip_tun_from_nlattr()
621 					nla_get_be16(a), is_mask);  in ip_tun_from_nlattr()
632 			err = genev_tun_opt_from_nlattr(a, match, is_mask, log);  in ip_tun_from_nlattr()
645 			err = vxlan_tun_opt_from_nlattr(a, match, is_mask, log);  in ip_tun_from_nlattr()
811 				 u64 *attrs, const struct nlattr **a,  in metadata_from_nlattrs()  argument
815 		u32 hash_val = nla_get_u32(a[OVS_KEY_ATTR_DP_HASH]);  in metadata_from_nlattrs()
822 		u32 recirc_id = nla_get_u32(a[OVS_KEY_ATTR_RECIRC_ID]);  in metadata_from_nlattrs()
830 			  nla_get_u32(a[OVS_KEY_ATTR_PRIORITY]), is_mask);  in metadata_from_nlattrs()
835 		u32 in_port = nla_get_u32(a[OVS_KEY_ATTR_IN_PORT]);  in metadata_from_nlattrs()
852 		uint32_t mark = nla_get_u32(a[OVS_KEY_ATTR_SKB_MARK]);  in metadata_from_nlattrs()
858 		if (ip_tun_from_nlattr(a[OVS_KEY_ATTR_TUNNEL], match,  in metadata_from_nlattrs()
866 		u32 ct_state = nla_get_u32(a[OVS_KEY_ATTR_CT_STATE]);  in metadata_from_nlattrs()
879 		u16 ct_zone = nla_get_u16(a[OVS_KEY_ATTR_CT_ZONE]);  in metadata_from_nlattrs()
886 		u32 mark = nla_get_u32(a[OVS_KEY_ATTR_CT_MARK]);  in metadata_from_nlattrs()
895 		cl = nla_data(a[OVS_KEY_ATTR_CT_LABELS]);  in metadata_from_nlattrs()
904 				u64 attrs, const struct nlattr **a,  in ovs_key_from_nlattrs()  argument
909 	err = metadata_from_nlattrs(net, match, &attrs, a, is_mask, log);  in ovs_key_from_nlattrs()
916 		eth_key = nla_data(a[OVS_KEY_ATTR_ETHERNET]);  in ovs_key_from_nlattrs()
927 		tci = nla_get_be16(a[OVS_KEY_ATTR_VLAN]);  in ovs_key_from_nlattrs()
944 		eth_type = nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]);  in ovs_key_from_nlattrs()
963 		ipv4_key = nla_data(a[OVS_KEY_ATTR_IPV4]);  in ovs_key_from_nlattrs()
987 		ipv6_key = nla_data(a[OVS_KEY_ATTR_IPV6]);  in ovs_key_from_nlattrs()
1025 		arp_key = nla_data(a[OVS_KEY_ATTR_ARP]);  in ovs_key_from_nlattrs()
1049 		mpls_key = nla_data(a[OVS_KEY_ATTR_MPLS]);  in ovs_key_from_nlattrs()
1059 		tcp_key = nla_data(a[OVS_KEY_ATTR_TCP]);  in ovs_key_from_nlattrs()
1067 				nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]),  in ovs_key_from_nlattrs()
1075 		udp_key = nla_data(a[OVS_KEY_ATTR_UDP]);  in ovs_key_from_nlattrs()
1084 		sctp_key = nla_data(a[OVS_KEY_ATTR_SCTP]);  in ovs_key_from_nlattrs()
1093 		icmp_key = nla_data(a[OVS_KEY_ATTR_ICMP]);  in ovs_key_from_nlattrs()
1104 		icmpv6_key = nla_data(a[OVS_KEY_ATTR_ICMPV6]);  in ovs_key_from_nlattrs()
1115 		nd_key = nla_data(a[OVS_KEY_ATTR_ND]);  in ovs_key_from_nlattrs()
1183 	const struct nlattr *a[OVS_KEY_ATTR_MAX + 1];  in ovs_nla_get_match()  local
1191 	err = parse_flow_nlattrs(nla_key, a, &key_attrs, log);  in ovs_nla_get_match()
1197 	    (nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]) == htons(ETH_P_8021Q))) {  in ovs_nla_get_match()
1207 		tci = nla_get_be16(a[OVS_KEY_ATTR_VLAN]);  in ovs_nla_get_match()
1208 		encap = a[OVS_KEY_ATTR_ENCAP];  in ovs_nla_get_match()
1213 			err = parse_flow_nlattrs(encap, a, &key_attrs, log);  in ovs_nla_get_match()
1228 	err = ovs_key_from_nlattrs(net, match, key_attrs, a, false, log);  in ovs_nla_get_match()
1262 		err = parse_flow_mask_nlattrs(nla_mask, a, &mask_attrs, log);  in ovs_nla_get_match()
1280 			if (a[OVS_KEY_ATTR_ETHERTYPE])  in ovs_nla_get_match()
1281 				eth_type = nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]);  in ovs_nla_get_match()
1285 				encap = a[OVS_KEY_ATTR_ENCAP];  in ovs_nla_get_match()
1286 				err = parse_flow_mask_nlattrs(encap, a,  in ovs_nla_get_match()
1297 			if (a[OVS_KEY_ATTR_VLAN])  in ovs_nla_get_match()
1298 				tci = nla_get_be16(a[OVS_KEY_ATTR_VLAN]);  in ovs_nla_get_match()
1308 		err = ovs_key_from_nlattrs(net, match, mask_attrs, a, true,  in ovs_nla_get_match()
1394 	const struct nlattr *a[OVS_KEY_ATTR_MAX + 1];  in ovs_nla_get_flow_metadata()  local
1399 	err = parse_flow_nlattrs(attr, a, &attrs, log);  in ovs_nla_get_flow_metadata()
1409 	return metadata_from_nlattrs(net, &match, &attrs, a, false, log);  in ovs_nla_get_flow_metadata()
1692 static void ovs_nla_free_set_action(const struct nlattr *a)  in ovs_nla_free_set_action()  argument
1694 	const struct nlattr *ovs_key = nla_data(a);  in ovs_nla_free_set_action()
1707 	const struct nlattr *a;  in ovs_nla_free_flow_actions()  local
1713 	nla_for_each_attr(a, sf_acts->actions, sf_acts->actions_len, rem) {  in ovs_nla_free_flow_actions()
1714 		switch (nla_type(a)) {  in ovs_nla_free_flow_actions()
1716 			ovs_nla_free_set_action(a);  in ovs_nla_free_flow_actions()
1719 			ovs_ct_free_action(a);  in ovs_nla_free_flow_actions()
1778 	struct nlattr *a;  in __add_action()  local
1780 	a = reserve_sfa_size(sfa, nla_attr_size(len), log);  in __add_action()
1781 	if (IS_ERR(a))  in __add_action()
1782 		return a;  in __add_action()
1784 	a->nla_type = attrtype;  in __add_action()
1785 	a->nla_len = nla_attr_size(len);  in __add_action()
1788 		memcpy(nla_data(a), data, len);  in __add_action()
1789 	memset((unsigned char *) a + a->nla_len, 0, nla_padlen(len));  in __add_action()
1791 	return a;  in __add_action()
1797 	struct nlattr *a;  in ovs_nla_add_action()  local
1799 	a = __add_action(sfa, attrtype, data, len, log);  in ovs_nla_add_action()
1801 	return PTR_ERR_OR_ZERO(a);  in ovs_nla_add_action()
1820 	struct nlattr *a = (struct nlattr *) ((unsigned char *)sfa->actions +  in add_nested_action_end()  local
1823 	a->nla_len = sfa->actions_len - st_offset;  in add_nested_action_end()
1838 	const struct nlattr *a;  in validate_and_copy_sample()  local
1842 	nla_for_each_nested(a, attr, rem) {  in validate_and_copy_sample()
1843 		int type = nla_type(a);  in validate_and_copy_sample()
1846 		attrs[type] = a;  in validate_and_copy_sample()
1934 	struct nlattr *a;  in validate_and_copy_set_tun()  local
1962 	a = __add_action(sfa, OVS_KEY_ATTR_TUNNEL_INFO, NULL,  in validate_and_copy_set_tun()
1964 	if (IS_ERR(a)) {  in validate_and_copy_set_tun()
1966 		return PTR_ERR(a);  in validate_and_copy_set_tun()
1969 	ovs_tun = nla_data(a);  in validate_and_copy_set_tun()
2004 static int validate_set(const struct nlattr *a,  in validate_set()  argument
2009 	const struct nlattr *ovs_key = nla_data(a);  in validate_set()
2014 	if (nla_total_size(nla_len(ovs_key)) != nla_len(a))  in validate_set()
2048 		err = validate_and_copy_set_tun(a, sfa, log);  in validate_set()
2173 	struct nlattr *a[OVS_USERSPACE_ATTR_MAX + 1];  in validate_userspace()  local
2176 	error = nla_parse_nested(a, OVS_USERSPACE_ATTR_MAX,  in validate_userspace()
2181 	if (!a[OVS_USERSPACE_ATTR_PID] ||  in validate_userspace()
2182 	    !nla_get_u32(a[OVS_USERSPACE_ATTR_PID]))  in validate_userspace()
2207 	const struct nlattr *a;  in __ovs_nla_copy_actions()  local
2213 	nla_for_each_nested(a, attr, rem) {  in __ovs_nla_copy_actions()
2230 		int type = nla_type(a);  in __ovs_nla_copy_actions()
2234 		    (action_lens[type] != nla_len(a) &&  in __ovs_nla_copy_actions()
2244 			err = validate_userspace(a);  in __ovs_nla_copy_actions()
2250 			if (nla_get_u32(a) >= DP_MAX_PORTS)  in __ovs_nla_copy_actions()
2255 			const struct ovs_action_hash *act_hash = nla_data(a);  in __ovs_nla_copy_actions()
2272 			vlan = nla_data(a);  in __ovs_nla_copy_actions()
2284 			const struct ovs_action_push_mpls *mpls = nla_data(a);  in __ovs_nla_copy_actions()
2320 			err = validate_set(a, key, sfa,  in __ovs_nla_copy_actions()
2327 			err = validate_set(a, key, sfa,  in __ovs_nla_copy_actions()
2334 			err = validate_and_copy_sample(net, a, key, depth, sfa,  in __ovs_nla_copy_actions()
2342 			err = ovs_ct_copy_action(net, a, key, sfa, log);  in __ovs_nla_copy_actions()
2353 			err = copy_action(a, sfa, log);  in __ovs_nla_copy_actions()
2387 	const struct nlattr *a;  in sample_action_to_attr()  local
2395 	nla_for_each_nested(a, attr, rem) {  in sample_action_to_attr()
2396 		int type = nla_type(a);  in sample_action_to_attr()
2402 				    sizeof(u32), nla_data(a)))  in sample_action_to_attr()
2409 			err = ovs_nla_put_actions(nla_data(a), nla_len(a), skb);  in sample_action_to_attr()
2421 static int set_action_to_attr(const struct nlattr *a, struct sk_buff *skb)  in set_action_to_attr()  argument
2423 	const struct nlattr *ovs_key = nla_data(a);  in set_action_to_attr()
2447 		if (nla_put(skb, OVS_ACTION_ATTR_SET, nla_len(a), ovs_key))  in set_action_to_attr()
2455 static int masked_set_action_to_set_action_attr(const struct nlattr *a,  in masked_set_action_to_set_action_attr()  argument
2458 	const struct nlattr *ovs_key = nla_data(a);  in masked_set_action_to_set_action_attr()
2478 	const struct nlattr *a;  in ovs_nla_put_actions()  local
2481 	nla_for_each_attr(a, attr, len, rem) {  in ovs_nla_put_actions()
2482 		int type = nla_type(a);  in ovs_nla_put_actions()
2486 			err = set_action_to_attr(a, skb);  in ovs_nla_put_actions()
2492 			err = masked_set_action_to_set_action_attr(a, skb);  in ovs_nla_put_actions()
2498 			err = sample_action_to_attr(a, skb);  in ovs_nla_put_actions()
2504 			err = ovs_ct_action_to_attr(nla_data(a), skb);  in ovs_nla_put_actions()
2510 			if (nla_put(skb, type, nla_len(a), nla_data(a)))  in ovs_nla_put_actions()