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Commit 6431eb87 authored by Kaike Wan's avatar Kaike Wan Committed by Doug Ledford
Browse files

IB/netlink: Add defines for local service requests through netlink 



This patch adds netlink defines for local service client, local service
group, local service operations, and related attributes.

Signed-off-by: default avatarKaike Wan <kaike.wan@intel.com>
Signed-off-by: default avatarJohn Fleck <john.fleck@intel.com>
Signed-off-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent bc44bd1d

include/uapi/rdma/rdma_netlink.h

+82 −0
Original line number Diff line number Diff line
@@ -7,12 +7,14 @@ enum { 
	RDMA_NL_RDMA_CM = 1,

	RDMA_NL_NES,

	RDMA_NL_C4IW,

	RDMA_NL_LS,	/* RDMA Local Services */

	RDMA_NL_NUM_CLIENTS

};



enum {

	RDMA_NL_GROUP_CM = 1,

	RDMA_NL_GROUP_IWPM,

	RDMA_NL_GROUP_LS,

	RDMA_NL_NUM_GROUPS

};
@@ -128,5 +130,85 @@ enum { 
	IWPM_NLA_ERR_MAX

};



/*

 * Local service operations:

 *   RESOLVE - The client requests the local service to resolve a path.

 *   SET_TIMEOUT - The local service requests the client to set the timeout.

 */

enum {

	RDMA_NL_LS_OP_RESOLVE = 0,

	RDMA_NL_LS_OP_SET_TIMEOUT,

	RDMA_NL_LS_NUM_OPS

};



/* Local service netlink message flags */

#define RDMA_NL_LS_F_ERR	0x0100	/* Failed response */



/*

 * Local service resolve operation family header.

 * The layout for the resolve operation:

 *    nlmsg header

 *    family header

 *    attributes

 */



/*

 * Local service path use:

 * Specify how the path(s) will be used.

 *   ALL - For connected CM operation (6 pathrecords)

 *   UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)

 *   GMP - For miscellaneous GMP like operation (at least 1 reversible

 *         pathrecord)

 */

enum {

	LS_RESOLVE_PATH_USE_ALL = 0,

	LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,

	LS_RESOLVE_PATH_USE_GMP,

	LS_RESOLVE_PATH_USE_MAX

};



#define LS_DEVICE_NAME_MAX 64



struct rdma_ls_resolve_header {

	__u8 device_name[LS_DEVICE_NAME_MAX];

	__u8 port_num;

	__u8 path_use;

};



/* Local service attribute type */

#define RDMA_NLA_F_MANDATORY	(1 << 13)

#define RDMA_NLA_TYPE_MASK	(~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \

				  RDMA_NLA_F_MANDATORY))



/*

 * Local service attributes:

 *   Attr Name       Size                       Byte order

 *   -----------------------------------------------------

 *   PATH_RECORD     struct ib_path_rec_data

 *   TIMEOUT         u32                        cpu

 *   SERVICE_ID      u64                        cpu

 *   DGID            u8[16]                     BE

 *   SGID            u8[16]                     BE

 *   TCLASS          u8

 *   PKEY            u16                        cpu

 *   QOS_CLASS       u16                        cpu

 */

enum {

	LS_NLA_TYPE_UNSPEC = 0,

	LS_NLA_TYPE_PATH_RECORD,

	LS_NLA_TYPE_TIMEOUT,

	LS_NLA_TYPE_SERVICE_ID,

	LS_NLA_TYPE_DGID,

	LS_NLA_TYPE_SGID,

	LS_NLA_TYPE_TCLASS,

	LS_NLA_TYPE_PKEY,

	LS_NLA_TYPE_QOS_CLASS,

	LS_NLA_TYPE_MAX

};



/* Local service DGID/SGID attribute: big endian */

struct rdma_nla_ls_gid {

	__u8		gid[16];

};



#endif /* _UAPI_RDMA_NETLINK_H */