include/net/netlink.h

6 #include <linux/netlink.h>
11  *         Netlink Messages and Attributes Interface (As Seen On TV)
34  *   struct nlmsghdr			netlink message header
37  *   nlmsg_new()			create a new netlink message
38  *   nlmsg_put()			add a netlink message to an skb
40  *   nlmsg_end()			finalize netlink message
44  *   nlmsg_free()			free a netlink message
64  *   nlmsg_next(nlh, remaining)		get next netlink message
68  *   nlmsg_validate()			validate netlink message incl. attrs
89  *   struct nlattr			netlink attribute header
152  *   nla_next(nla, remaining)		get next netlink attribute
469  * struct nl_info - netlink source information
470  * @nlh: Netlink message header of original request
472  * @portid: Netlink PORTID of requesting application
473  * @skip_notify: Skip netlink notifications to user space
485  * enum netlink_validation - netlink message/attribute validation levels
557  * Netlink Messages
561  * nlmsg_msg_size - length of netlink message not including padding
570  * nlmsg_total_size - length of netlink message including padding
589  * @nlh: netlink message header
598  * @nlh: netlink message header
607  * @nlh: netlink message header
619  * @nlh: netlink message header
628  * nlmsg_ok - check if the netlink message fits into the remaining bytes
629  * @nlh: netlink message header
640  * nlmsg_next - next netlink message in message stream
641  * @nlh: netlink message header
644  * Returns the next netlink message in the message stream and
734  * __nlmsg_parse - parse attributes of a netlink message
735  * @nlh: netlink message header
762  * nlmsg_parse - parse attributes of a netlink message
763  * @nlh: netlink message header
782  * nlmsg_parse_deprecated - parse attributes of a netlink message
783  * @nlh: netlink message header
802  * nlmsg_parse_deprecated_strict - parse attributes of a netlink message
803  * @nlh: netlink message header
823  * nlmsg_find_attr - find a specific attribute in a netlink message
824  * @nlh: netlink message header
883  * nlmsg_validate_deprecated - validate a netlink message including attributes
907  * @nlh: netlink message header
917  * nlmsg_seq - return the seq number of netlink message
918  * @nlh: netlink message header
920  * Returns 0 if netlink message is NULL
930  * @nlh: netlink message header
939  * nlmsg_put - Add a new netlink message to an skb
941  * @portid: netlink PORTID of requesting application
981  * nlmsg_put_answer - Add a new callback based netlink message to an skb
983  * @cb: netlink callback
1001  * nlmsg_new - Allocate a new netlink message
1014  * nlmsg_new_large - Allocate a new netlink message with non-contiguous
1028  * nlmsg_end - Finalize a netlink message
1030  * @nlh: netlink message header
1032  * Corrects the netlink message header to include the appeneded
1042  * nlmsg_get_pos - return current position in netlink message
1068  * nlmsg_cancel - Cancel construction of a netlink message
1070  * @nlh: netlink message header
1072  * Removes the complete netlink message including all
1081  * nlmsg_free - free a netlink message
1082  * @skb: socket buffer of netlink message
1090  * nlmsg_multicast_filtered - multicast a netlink message with filter function
1091  * @sk: netlink socket to spread messages to
1092  * @skb: netlink message as socket buffer
1093  * @portid: own netlink portid to avoid sending to yourself
1120  * nlmsg_multicast - multicast a netlink message
1121  * @sk: netlink socket to spread messages to
1122  * @skb: netlink message as socket buffer
1123  * @portid: own netlink portid to avoid sending to yourself
1135  * nlmsg_unicast - unicast a netlink message
1136  * @sk: netlink socket to spread message to
1137  * @skb: netlink message as socket buffer
1138  * @portid: netlink portid of the destination socket
1165  * @cb: netlink callback structure that stores the sequence number
1166  * @nlh: netlink message header to write the flag to
1169  * and if it did, advertises it in the netlink message header.
1188  * Netlink Attributes
1220  * @nla: netlink attribute
1229  * @nla: netlink attribute
1238  * @nla: netlink attribute
1246  * nla_ok - check if the netlink attribute fits into the remaining bytes
1247  * @nla: netlink attribute
1258  * nla_next - next netlink attribute in attribute stream
1259  * @nla: netlink attribute
1262  * Returns the next netlink attribute in the attribute stream and
1330  * nla_put_u8 - Add a u8 netlink attribute to a socket buffer
1344  * nla_put_u16 - Add a u16 netlink attribute to a socket buffer
1357  * nla_put_be16 - Add a __be16 netlink attribute to a socket buffer
1370  * nla_put_net16 - Add 16-bit network byte order netlink attribute to a socket buffer
1383  * nla_put_le16 - Add a __le16 netlink attribute to a socket buffer
1396  * nla_put_u32 - Add a u32 netlink attribute to a socket buffer
1425  * nla_put_be32 - Add a __be32 netlink attribute to a socket buffer
1438  * nla_put_net32 - Add 32-bit network byte order netlink attribute to a socket buffer
1451  * nla_put_le32 - Add a __le32 netlink attribute to a socket buffer
1464  * nla_put_u64_64bit - Add a u64 netlink attribute to a skb and align it
1479  * nla_put_be64 - Add a __be64 netlink attribute to a socket buffer and align it
1510  * nla_put_le64 - Add a __le64 netlink attribute to a socket buffer and align it
1525  * nla_put_s8 - Add a s8 netlink attribute to a socket buffer
1538  * nla_put_s16 - Add a s16 netlink attribute to a socket buffer
1551  * nla_put_s32 - Add a s32 netlink attribute to a socket buffer
1564  * nla_put_s64 - Add a s64 netlink attribute to a socket buffer and align it
1595  * nla_put_string - Add a string netlink attribute to a socket buffer
1607  * nla_put_flag - Add a flag netlink attribute to a socket buffer
1617  * nla_put_msecs - Add a msecs netlink attribute to a skb and align it
1632  * nla_put_in_addr - Add an IPv4 address netlink attribute to a socket
1647  * nla_put_in6_addr - Add an IPv6 address netlink attribute to a socket
1660  * nla_put_bitfield32 - Add a bitfield32 netlink attribute to a socket buffer
1676  * @nla: u32 netlink attribute
1685  * @nla: __be32 netlink attribute
1694  * @nla: __le32 netlink attribute
1703  * @nla: u16 netlink attribute
1712  * @nla: __be16 netlink attribute
1721  * @nla: __le16 netlink attribute
1730  * @nla: u8 netlink attribute
1739  * @nla: u64 netlink attribute
1752  * @nla: uint netlink attribute
1763  * @nla: __be64 netlink attribute
1776  * @nla: __le64 netlink attribute
1785  * @nla: s32 netlink attribute
1794  * @nla: s16 netlink attribute
1803  * @nla: s8 netlink attribute
1812  * @nla: s64 netlink attribute
1825  * @nla: uint netlink attribute
1836  * @nla: flag netlink attribute
1845  * @nla: msecs netlink attribute
1858  * @nla: IPv4 address netlink attribute
1867  * @nla: IPv6 address netlink attribute
1891  * @src: netlink attribute to duplicate from
2032  * Conditionally emit a padding netlink attribute in order to make