17  *    <--- nlmsg_total_size(payload)  --->
18  *    <-- nlmsg_msg_size(payload) ->
20  *   | nlmsghdr | Pad |   Payload   | Pad | nlmsghdr
25  * Payload Format:
53  *   nlmsg_msg_size(payload)		length of message w/o padding
54  *   nlmsg_total_size(payload)		length of message w/ padding
55  *   nlmsg_padlen(payload)		length of padding at tail
57  * Message Payload Access:
58  *   nlmsg_data(nlh)			head of message payload
59  *   nlmsg_len(nlh)			length of message payload
82  *    <------- nla_total_size(payload) ------->
83  *    <---- nla_attr_size(payload) ----->
85  *   |  Header  | Pad |     Payload      | Pad |  Header
126  *   nla_attr_size(payload)		length of attribute w/o padding
127  *   nla_total_size(payload)		length of attribute w/ padding
128  *   nla_padlen(payload)		length of padding
130  * Attribute Payload Access:
131  *   nla_data(nla)			head of attribute payload
132  *   nla_len(nla)			length of attribute payload
134  * Attribute Payload Access for Basic Types:
135  *   nla_get_uint(nla)			get payload for a uint attribute
136  *   nla_get_sint(nla)			get payload for a sint attribute
137  *   nla_get_u8(nla)			get payload for a u8 attribute
138  *   nla_get_u16(nla)			get payload for a u16 attribute
139  *   nla_get_u32(nla)			get payload for a u32 attribute
140  *   nla_get_u64(nla)			get payload for a u64 attribute
141  *   nla_get_s8(nla)			get payload for a s8 attribute
142  *   nla_get_s16(nla)			get payload for a s16 attribute
143  *   nla_get_s32(nla)			get payload for a s32 attribute
144  *   nla_get_s64(nla)			get payload for a s64 attribute
146  *   nla_get_msecs(nla)			get payload for a msecs attribute
230  * @len: Type specific length of payload
239  *    NLA_BINARY           Maximum length of attribute payload
257  *    All other            Minimum length of attribute payload
579  * @payload: length of message payload
581 static inline int nlmsg_msg_size(int payload)  in nlmsg_msg_size()  argument
583 	return NLMSG_HDRLEN + payload;  in nlmsg_msg_size()
588  * @payload: length of message payload
590 static inline int nlmsg_total_size(int payload)  in nlmsg_total_size()  argument
592 	return NLMSG_ALIGN(nlmsg_msg_size(payload));  in nlmsg_total_size()
597  * @payload: length of message payload
599 static inline int nlmsg_padlen(int payload)  in nlmsg_padlen()  argument
601 	return nlmsg_total_size(payload) - nlmsg_msg_size(payload);  in nlmsg_padlen()
605  * nlmsg_data - head of message payload
614  * nlmsg_len - length of message payload
623  * nlmsg_payload - message payload if the data fits in the len
627  * Returns: The netlink message payload/data if the length is sufficient,
989  * @payload: length of message payload
993  * the message header and payload.
996 					 int type, int payload, int flags)  in nlmsg_put()  argument
998 	if (unlikely(skb_tailroom(skb) < nlmsg_total_size(payload)))  in nlmsg_put()
1001 	return __nlmsg_put(skb, portid, seq, type, payload, flags);  in nlmsg_put()
1007  * @size: length of message payload
1012  * the extra payload.
1030  * @payload: length of message payload
1034  * the message header and payload.
1038 						int type, int payload,  in nlmsg_put_answer()  argument
1042 			 type, payload, flags);  in nlmsg_put_answer()
1047  * @payload: size of the message payload
1050  * Use NLMSG_DEFAULT_SIZE if the size of the payload isn't known
1053 static inline struct sk_buff *nlmsg_new(size_t payload, gfp_t flags)  in nlmsg_new()  argument
1055 	return alloc_skb(nlmsg_total_size(payload), flags);  in nlmsg_new()
1061  * @payload: size of the message payload
1067 static inline struct sk_buff *nlmsg_new_large(size_t payload)  in nlmsg_new_large()  argument
1069 	return netlink_alloc_large_skb(nlmsg_total_size(payload), 0);  in nlmsg_new_large()
1247  * @payload: length of payload
1249 static inline int nla_attr_size(int payload)  in nla_attr_size()  argument
1251 	return NLA_HDRLEN + payload;  in nla_attr_size()
1256  * @payload: length of payload
1258 static inline int nla_total_size(int payload)  in nla_total_size()  argument
1260 	return NLA_ALIGN(nla_attr_size(payload));  in nla_total_size()
1265  * @payload: length of payload
1267 static inline int nla_padlen(int payload)  in nla_padlen()  argument
1269 	return nla_total_size(payload) - nla_attr_size(payload);  in nla_padlen()
1282  * nla_data - head of payload
1291  * nla_len - length of payload
1729  * nla_get_u32 - return payload of u32 attribute
1738  * nla_get_u32_default - return payload of u32 attribute or default
1752  * nla_get_be32 - return payload of __be32 attribute
1761  * nla_get_be32_default - return payload of be32 attribute or default
1776  * nla_get_le32 - return payload of __le32 attribute
1785  * nla_get_le32_default - return payload of le32 attribute or default
1800  * nla_get_u16 - return payload of u16 attribute
1809  * nla_get_u16_default - return payload of u16 attribute or default
1823  * nla_get_be16 - return payload of __be16 attribute
1832  * nla_get_be16_default - return payload of be16 attribute or default
1847  * nla_get_le16 - return payload of __le16 attribute
1856  * nla_get_le16_default - return payload of le16 attribute or default
1871  * nla_get_u8 - return payload of u8 attribute
1880  * nla_get_u8_default - return payload of u8 attribute or default
1894  * nla_get_u64 - return payload of u64 attribute
1907  * nla_get_u64_default - return payload of u64 attribute or default
1921  * nla_get_uint - return payload of uint attribute
1932  * nla_get_uint_default - return payload of uint attribute or default
1946  * nla_get_be64 - return payload of __be64 attribute
1959  * nla_get_be64_default - return payload of be64 attribute or default
1974  * nla_get_le64 - return payload of __le64 attribute
1983  * nla_get_le64_default - return payload of le64 attribute or default
1998  * nla_get_s32 - return payload of s32 attribute
2007  * nla_get_s32_default - return payload of s32 attribute or default
2021  * nla_get_s16 - return payload of s16 attribute
2030  * nla_get_s16_default - return payload of s16 attribute or default
2044  * nla_get_s8 - return payload of s8 attribute
2053  * nla_get_s8_default - return payload of s8 attribute or default
2067  * nla_get_s64 - return payload of s64 attribute
2080  * nla_get_s64_default - return payload of s64 attribute or default
2094  * nla_get_sint - return payload of uint attribute
2105  * nla_get_sint_default - return payload of sint attribute or default
2119  * nla_get_flag - return payload of flag attribute
2128  * nla_get_msecs - return payload of msecs attribute
2141  * nla_get_msecs_default - return payload of msecs attribute or default
2156  * nla_get_in_addr - return payload of IPv4 address attribute
2165  * nla_get_in_addr_default - return payload of be32 attribute or default
2180  * nla_get_in6_addr - return payload of IPv6 address attribute
2192  * nla_get_bitfield32 - return payload of 32 bitfield attribute
2379  * @payload: length of payload
2381 static inline int nla_total_size_64bit(int payload)  in nla_total_size_64bit()  argument
2383 	return NLA_ALIGN(nla_attr_size(payload))  in nla_total_size_64bit()