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| author | Nir Muchtar <nirm@voltaire.com> | 2011-01-03 15:33:53 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2011-05-25 13:46:23 -0700 |
| commit | 753f618ae03a699cc30044d64eea84165016dc6e (patch) | |
| tree | 145bbd73eef824f047affe79ee0570a6bb0940b1 /include/rdma | |
| parent | b26f9b9949013fec31b23c426fc463164ae08891 (diff) | |
| download | kernel_samsung_tuna-753f618ae03a699cc30044d64eea84165016dc6e.zip kernel_samsung_tuna-753f618ae03a699cc30044d64eea84165016dc6e.tar.gz kernel_samsung_tuna-753f618ae03a699cc30044d64eea84165016dc6e.tar.bz2 | |
RDMA/cma: Add support for netlink statistics export
Add callbacks and data types for statistics export of all current
devices/ids. The schema for RDMA CM is a series of netlink messages.
Each one contains an rdma_cm_stat struct. Additionally, two netlink
attributes are created for the addresses for each message (if
applicable).
Their types used are:
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR (The source address for this ID)
RDMA_NL_RDMA_CM_ATTR_DST_ADDR (The destination address for this ID)
sockaddr_* structs are encapsulated within these attributes.
In other words, every transaction contains a series of messages like:
-------message 1-------
struct rdma_cm_id_stats {
__u32 qp_num;
__u32 bound_dev_if;
__u32 port_space;
__s32 pid;
__u8 cm_state;
__u8 node_type;
__u8 port_num;
__u8 reserved;
}
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR attribute - contains the source address
RDMA_NL_RDMA_CM_ATTR_DST_ADDR attribute - contains the destination address
-------end 1-------
-------message 2-------
struct rdma_cm_id_stats
RDMA_NL_RDMA_CM_ATTR_SRC_ADDR attribute
RDMA_NL_RDMA_CM_ATTR_DST_ADDR attribute
-------end 2-------
Signed-off-by: Nir Muchtar <nirm@voltaire.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/rdma_netlink.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index c983a19..3c5363a 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -1,10 +1,38 @@ #ifndef _RDMA_NETLINK_H #define _RDMA_NETLINK_H +#include <linux/types.h> + +enum { + RDMA_NL_RDMA_CM = 1 +}; + #define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10) #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1)) #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op) +enum { + RDMA_NL_RDMA_CM_ID_STATS = 0, + RDMA_NL_RDMA_CM_NUM_OPS +}; + +enum { + RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1, + RDMA_NL_RDMA_CM_ATTR_DST_ADDR, + RDMA_NL_RDMA_CM_NUM_ATTR, +}; + +struct rdma_cm_id_stats { + __u32 qp_num; + __u32 bound_dev_if; + __u32 port_space; + __s32 pid; + __u8 cm_state; + __u8 node_type; + __u8 port_num; + __u8 qp_type; +}; + #ifdef __KERNEL__ #include <linux/netlink.h> |