include/net/netlink.h

17  *    <--- nlmsg_total_size(payload)  --->
18  *    <-- nlmsg_msg_size(payload) ->
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
58  *   nlmsg_data(nlh)			head of message payload
59  *   nlmsg_len(nlh)			length of message payload
80  *    <------- nla_total_size(payload) ------->
81  *    <---- nla_attr_size(payload) ----->
123  *   nla_attr_size(payload)		length of attribute w/o padding
124  *   nla_total_size(payload)		length of attribute w/ padding
125  *   nla_padlen(payload)		length of padding
128  *   nla_data(nla)			head of attribute payload
129  *   nla_len(nla)			length of attribute payload
132  *   nla_get_uint(nla)			get payload for a uint attribute
133  *   nla_get_sint(nla)			get payload for a sint attribute
134  *   nla_get_u8(nla)			get payload for a u8 attribute
135  *   nla_get_u16(nla)			get payload for a u16 attribute
136  *   nla_get_u32(nla)			get payload for a u32 attribute
137  *   nla_get_u64(nla)			get payload for a u64 attribute
138  *   nla_get_s8(nla)			get payload for a s8 attribute
139  *   nla_get_s16(nla)			get payload for a s16 attribute
140  *   nla_get_s32(nla)			get payload for a s32 attribute
141  *   nla_get_s64(nla)			get payload for a s64 attribute
143  *   nla_get_msecs(nla)			get payload for a msecs attribute
225  * @len: Type specific length of payload
234  *    NLA_BINARY           Maximum length of attribute payload
252  *    All other            Minimum length of attribute payload
567  * @payload: length of message payload
569 static inline int nlmsg_msg_size(int payload)
571 	return NLMSG_HDRLEN + payload;
576  * @payload: length of message payload
578 static inline int nlmsg_total_size(int payload)
580 	return NLMSG_ALIGN(nlmsg_msg_size(payload));
585  * @payload: length of message payload
587 static inline int nlmsg_padlen(int payload)
589 	return nlmsg_total_size(payload) - nlmsg_msg_size(payload);
593  * nlmsg_data - head of message payload
602  * nlmsg_len - length of message payload
949  * @payload: length of message payload
953  * the message header and payload.
956 					 int type, int payload, int flags)
958 	if (unlikely(skb_tailroom(skb) < nlmsg_total_size(payload)))
961 	return __nlmsg_put(skb, portid, seq, type, payload, flags);
967  * @size: length of message payload
972  * the extra payload.
990  * @payload: length of message payload
994  * the message header and payload.
998 						int type, int payload,
1002 			 type, payload, flags);
1007  * @payload: size of the message payload
1010  * Use NLMSG_DEFAULT_SIZE if the size of the payload isn't known
1013 static inline struct sk_buff *nlmsg_new(size_t payload, gfp_t flags)
1015 	return alloc_skb(nlmsg_total_size(payload), flags);
1021  * @payload: size of the message payload
1027 static inline struct sk_buff *nlmsg_new_large(size_t payload)
1029 	return netlink_alloc_large_skb(nlmsg_total_size(payload), 0);
1207  * @payload: length of payload
1209 static inline int nla_attr_size(int payload)
1211 	return NLA_HDRLEN + payload;
1216  * @payload: length of payload
1218 static inline int nla_total_size(int payload)
1220 	return NLA_ALIGN(nla_attr_size(payload));
1225  * @payload: length of payload
1227 static inline int nla_padlen(int payload)
1229 	return nla_total_size(payload) - nla_attr_size(payload);
1242  * nla_data - head of payload
1251  * nla_len - length of payload
1689  * nla_get_u32 - return payload of u32 attribute
1698  * nla_get_be32 - return payload of __be32 attribute
1707  * nla_get_le32 - return payload of __le32 attribute
1716  * nla_get_u16 - return payload of u16 attribute
1725  * nla_get_be16 - return payload of __be16 attribute
1734  * nla_get_le16 - return payload of __le16 attribute
1743  * nla_get_u8 - return payload of u8 attribute
1752  * nla_get_u64 - return payload of u64 attribute
1765  * nla_get_uint - return payload of uint attribute
1776  * nla_get_be64 - return payload of __be64 attribute
1789  * nla_get_le64 - return payload of __le64 attribute
1798  * nla_get_s32 - return payload of s32 attribute
1807  * nla_get_s16 - return payload of s16 attribute
1816  * nla_get_s8 - return payload of s8 attribute
1825  * nla_get_s64 - return payload of s64 attribute
1838  * nla_get_sint - return payload of uint attribute
1849  * nla_get_flag - return payload of flag attribute
1858  * nla_get_msecs - return payload of msecs attribute
1871  * nla_get_in_addr - return payload of IPv4 address attribute
1880  * nla_get_in6_addr - return payload of IPv6 address attribute
1892  * nla_get_bitfield32 - return payload of 32 bitfield attribute
2064  * @payload: length of payload
2066 static inline int nla_total_size_64bit(int payload)
2068 	return NLA_ALIGN(nla_attr_size(payload))