diff options
| author | Sean Hefty <sean.hefty@intel.com> | 2006-11-30 16:44:16 -0800 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2006-12-12 11:50:21 -0800 |
| commit | 628e5f6d39d5a6be96c1272a6709f2dd3ec8b7ce (patch) | |
| tree | 91cd315e0bbc7873366fd589d69b4f182a1fd854 /include/rdma | |
| parent | 0fe313b000b6a699afbbb59ef9c47a2b22146f1e (diff) | |
| download | lwn-628e5f6d39d5a6be96c1272a6709f2dd3ec8b7ce.tar.gz lwn-628e5f6d39d5a6be96c1272a6709f2dd3ec8b7ce.zip | |
RDMA/cma: Add support for RDMA_PS_UDP
Allow the use of UD QPs through the rdma_cm, in order to provide
address translation services for resolving IB addresses for datagram
messages using SIDR.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/rdma_cm.h | 15 | ||||
| -rw-r--r-- | include/rdma/rdma_cm_ib.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h index 6b8ec486d06b..36cd8a8526a0 100644 --- a/include/rdma/rdma_cm.h +++ b/include/rdma/rdma_cm.h @@ -90,11 +90,20 @@ struct rdma_conn_param { u32 qp_num; }; +struct rdma_ud_param { + const void *private_data; + u8 private_data_len; + struct ib_ah_attr ah_attr; + u32 qp_num; + u32 qkey; +}; + struct rdma_cm_event { enum rdma_cm_event_type event; int status; union { struct rdma_conn_param conn; + struct rdma_ud_param ud; } param; }; @@ -220,9 +229,15 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, /** * rdma_connect - Initiate an active connection request. + * @id: Connection identifier to connect. + * @conn_param: Connection information used for connected QPs. * * Users must have resolved a route for the rdma_cm_id to connect with * by having called rdma_resolve_route before calling this routine. + * + * This call will either connect to a remote QP or obtain remote QP + * information for unconnected rdma_cm_id's. The actual operation is + * based on the rdma_cm_id's port space. */ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param); diff --git a/include/rdma/rdma_cm_ib.h b/include/rdma/rdma_cm_ib.h index e8c3af1804d4..9b176df1d667 100644 --- a/include/rdma/rdma_cm_ib.h +++ b/include/rdma/rdma_cm_ib.h @@ -44,4 +44,7 @@ int rdma_set_ib_paths(struct rdma_cm_id *id, struct ib_sa_path_rec *path_rec, int num_paths); +/* Global qkey for UD QPs and multicast groups. */ +#define RDMA_UD_QKEY 0x01234567 + #endif /* RDMA_CM_IB_H */ |