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author | Felix Fietkau <nbd@openwrt.org> | 2012-10-08 11:24:12 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2012-10-08 11:24:12 +0000 |
commit | 48db59fab785ce881e154d83115de86d284fce5d (patch) | |
tree | 8741bab5dbcca43c884cdf0788b6c0049e0c25d1 /package/libs/libnl-tiny/src/include/netlink/netlink-kernel.h | |
parent | 997ace7e5e78d580d802f3f30ddc00f9b30e0bcc (diff) | |
download | master-31e0f0ae-48db59fab785ce881e154d83115de86d284fce5d.tar.gz master-31e0f0ae-48db59fab785ce881e154d83115de86d284fce5d.tar.bz2 master-31e0f0ae-48db59fab785ce881e154d83115de86d284fce5d.zip |
move library packages to package/libs/
SVN-Revision: 33657
Diffstat (limited to 'package/libs/libnl-tiny/src/include/netlink/netlink-kernel.h')
-rw-r--r-- | package/libs/libnl-tiny/src/include/netlink/netlink-kernel.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/package/libs/libnl-tiny/src/include/netlink/netlink-kernel.h b/package/libs/libnl-tiny/src/include/netlink/netlink-kernel.h new file mode 100644 index 0000000000..a0f5535664 --- /dev/null +++ b/package/libs/libnl-tiny/src/include/netlink/netlink-kernel.h @@ -0,0 +1,196 @@ +#ifndef __LINUX_NETLINK_H +#define __LINUX_NETLINK_H + +/** + * Netlink socket address + * @ingroup nl + */ +struct sockaddr_nl +{ + /** socket family (AF_NETLINK) */ + sa_family_t nl_family; + + /** Padding (unused) */ + unsigned short nl_pad; + + /** Unique process ID */ + uint32_t nl_pid; + + /** Multicast group subscriptions */ + uint32_t nl_groups; +}; + +/** + * Netlink message header + * @ingroup msg + */ +struct nlmsghdr +{ + /** + * Length of message including header. + */ + uint32_t nlmsg_len; + + /** + * Message type (content type) + */ + uint16_t nlmsg_type; + + /** + * Message flags + */ + uint16_t nlmsg_flags; + + /** + * Sequence number + */ + uint32_t nlmsg_seq; + + /** + * Netlink PID of the proccess sending the message. + */ + uint32_t nlmsg_pid; +}; + +/** + * @name Standard message flags + * @{ + */ + +/** + * Must be set on all request messages (typically from user space to + * kernel space). + * @ingroup msg + */ +#define NLM_F_REQUEST 1 + +/** + * Indicates the message is part of a multipart message terminated + * by NLMSG_DONE. + */ +#define NLM_F_MULTI 2 + +/** + * Request for an acknowledgment on success. + */ +#define NLM_F_ACK 4 + +/** + * Echo this request + */ +#define NLM_F_ECHO 8 + +/** @} */ + +/** + * @name Additional message flags for GET requests + * @{ + */ + +/** + * Return the complete table instead of a single entry. + * @ingroup msg + */ +#define NLM_F_ROOT 0x100 + +/** + * Return all entries matching criteria passed in message content. + */ +#define NLM_F_MATCH 0x200 + +/** + * Return an atomic snapshot of the table being referenced. This + * may require special privileges because it has the potential to + * interrupt service in the FE for a longer time. + */ +#define NLM_F_ATOMIC 0x400 + +/** + * Dump all entries + */ +#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH) + +/** @} */ + +/** + * @name Additional messsage flags for NEW requests + * @{ + */ + +/** + * Replace existing matching config object with this request. + * @ingroup msg + */ +#define NLM_F_REPLACE 0x100 + +/** + * Don't replace the config object if it already exists. + */ +#define NLM_F_EXCL 0x200 + +/** + * Create config object if it doesn't already exist. + */ +#define NLM_F_CREATE 0x400 + +/** + * Add to the end of the object list. + */ +#define NLM_F_APPEND 0x800 + +/** @} */ + +/** + * @name Standard Message types + * @{ + */ + +/** + * No operation, message must be ignored + * @ingroup msg + */ +#define NLMSG_NOOP 0x1 + +/** + * The message signals an error and the payload contains a nlmsgerr + * structure. This can be looked at as a NACK and typically it is + * from FEC to CPC. + */ +#define NLMSG_ERROR 0x2 + +/** + * Message terminates a multipart message. + */ +#define NLMSG_DONE 0x3 + +/** + * The message signals that data got lost + */ +#define NLMSG_OVERRUN 0x4 + +/** + * Lower limit of reserved message types + */ +#define NLMSG_MIN_TYPE 0x10 + +/** @} */ + +/** + * Netlink error message + * @ingroup msg + */ +struct nlmsgerr +{ + /** Error code (errno number) */ + int error; + + /** Original netlink message causing the error */ + struct nlmsghdr msg; +}; + +struct nl_pktinfo +{ + __u32 group; +}; + +#endif /* __LINUX_NETLINK_H */ |