864 	struct rtattr *rta;  in addattr_l()  local
872 	rta = NLMSG_TAIL(n);  in addattr_l()
873 	rta->rta_type = type;  in addattr_l()
874 	rta->rta_len = len;  in addattr_l()
876 		memcpy(RTA_DATA(rta), data, alen);  in addattr_l()
929 int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data)  in rta_addattr32()  argument
934 	if (RTA_ALIGN(rta->rta_len) + len > maxlen) {  in rta_addattr32()
940 	subrta = (struct rtattr *)(((char *)rta) + RTA_ALIGN(rta->rta_len));  in rta_addattr32()
944 	rta->rta_len = NLMSG_ALIGN(rta->rta_len) + len;  in rta_addattr32()
948 int rta_addattr_l(struct rtattr *rta, int maxlen, int type,  in rta_addattr_l()  argument
954 	if (RTA_ALIGN(rta->rta_len) + RTA_ALIGN(len) > maxlen) {  in rta_addattr_l()
960 	subrta = (struct rtattr *)(((char *)rta) + RTA_ALIGN(rta->rta_len));  in rta_addattr_l()
965 	rta->rta_len = NLMSG_ALIGN(rta->rta_len) + RTA_ALIGN(len);  in rta_addattr_l()
969 int rta_addattr8(struct rtattr *rta, int maxlen, int type, __u8 data)  in rta_addattr8()  argument
971 	return rta_addattr_l(rta, maxlen, type, &data, sizeof(__u8));  in rta_addattr8()
974 int rta_addattr16(struct rtattr *rta, int maxlen, int type, __u16 data)  in rta_addattr16()  argument
976 	return rta_addattr_l(rta, maxlen, type, &data, sizeof(__u16));  in rta_addattr16()
979 int rta_addattr64(struct rtattr *rta, int maxlen, int type, __u64 data)  in rta_addattr64()  argument
981 	return rta_addattr_l(rta, maxlen, type, &data, sizeof(__u64));  in rta_addattr64()
984 struct rtattr *rta_nest(struct rtattr *rta, int maxlen, int type)  in rta_nest()  argument
986 	struct rtattr *nest = RTA_TAIL(rta);  in rta_nest()
988 	rta_addattr_l(rta, maxlen, type, NULL, 0);  in rta_nest()
993 int rta_nest_end(struct rtattr *rta, struct rtattr *nest)  in rta_nest_end()  argument
995 	nest->rta_len = (void *)RTA_TAIL(rta) - (void *)nest;  in rta_nest_end()
997 	return rta->rta_len;  in rta_nest_end()
1000 int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len)  in parse_rtattr()  argument
1002 	return parse_rtattr_flags(tb, max, rta, len, 0);  in parse_rtattr()
1005 int parse_rtattr_flags(struct rtattr *tb[], int max, struct rtattr *rta,  in parse_rtattr_flags()  argument
1011 	while (RTA_OK(rta, len)) {  in parse_rtattr_flags()
1012 		type = rta->rta_type & ~flags;  in parse_rtattr_flags()
1014 			tb[type] = rta;  in parse_rtattr_flags()
1015 		rta = RTA_NEXT(rta, len);  in parse_rtattr_flags()
1019 			len, rta->rta_len);  in parse_rtattr_flags()
1024 			 struct rtattr *rta, int len)  in parse_rtattr_byindex()  argument
1029 	while (RTA_OK(rta, len)) {  in parse_rtattr_byindex()
1030 		if (rta->rta_type <= max && i < max)  in parse_rtattr_byindex()
1031 			tb[i++] = rta;  in parse_rtattr_byindex()
1032 		rta = RTA_NEXT(rta, len);  in parse_rtattr_byindex()
1036 			len, rta->rta_len);  in parse_rtattr_byindex()
1040 struct rtattr *parse_rtattr_one(int type, struct rtattr *rta, int len)  in parse_rtattr_one()  argument
1042 	while (RTA_OK(rta, len)) {  in parse_rtattr_one()
1043 		if (rta->rta_type == type)  in parse_rtattr_one()
1044 			return rta;  in parse_rtattr_one()
1045 		rta = RTA_NEXT(rta, len);  in parse_rtattr_one()
1050 			len, rta->rta_len);  in parse_rtattr_one()
1055 				 struct rtattr *rta,  in __parse_rtattr_nested_compat()  argument
1058 	if (RTA_PAYLOAD(rta) < len)  in __parse_rtattr_nested_compat()
1060 	if (RTA_PAYLOAD(rta) >= RTA_ALIGN(len) + sizeof(struct rtattr)) {  in __parse_rtattr_nested_compat()
1061 		rta = RTA_DATA(rta) + RTA_ALIGN(len);  in __parse_rtattr_nested_compat()
1062 		return parse_rtattr_nested(tb, max, rta);  in __parse_rtattr_nested_compat()