X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Frdma%2Frdma_cm.h;h=2d6a7705eae7fbafbbaab4a8a9d8d6c9fde8ceac;hb=eaf2b8dca47cc1d4ca7fd83f37604e0f5478b33a;hp=deb5a0a4cee5c8732fb7adb5a092ef46b0363b1d;hpb=23930fa1cebfea6f79881c588ccd1b0781e49e3f;p=pandora-kernel.git diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h index deb5a0a4cee5..2d6a7705eae7 100644 --- a/include/rdma/rdma_cm.h +++ b/include/rdma/rdma_cm.h @@ -52,10 +52,13 @@ enum rdma_cm_event_type { RDMA_CM_EVENT_ESTABLISHED, RDMA_CM_EVENT_DISCONNECTED, RDMA_CM_EVENT_DEVICE_REMOVAL, + RDMA_CM_EVENT_MULTICAST_JOIN, + RDMA_CM_EVENT_MULTICAST_ERROR }; enum rdma_port_space { RDMA_PS_SDP = 0x0001, + RDMA_PS_IPOIB= 0x0002, RDMA_PS_TCP = 0x0106, RDMA_PS_UDP = 0x0111, RDMA_PS_SCTP = 0x0183 @@ -77,11 +80,34 @@ struct rdma_route { int num_paths; }; +struct rdma_conn_param { + const void *private_data; + u8 private_data_len; + u8 responder_resources; + u8 initiator_depth; + u8 flow_control; + u8 retry_count; /* ignored when accepting */ + u8 rnr_retry_count; + /* Fields below ignored if a QP is created on the rdma_cm_id. */ + u8 srq; + 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; - void *private_data; - u8 private_data_len; + union { + struct rdma_conn_param conn; + struct rdma_ud_param ud; + } param; }; struct rdma_cm_id; @@ -204,25 +230,17 @@ void rdma_destroy_qp(struct rdma_cm_id *id); int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, int *qp_attr_mask); -struct rdma_conn_param { - const void *private_data; - u8 private_data_len; - u8 responder_resources; - u8 initiator_depth; - u8 flow_control; - u8 retry_count; /* ignored when accepting */ - u8 rnr_retry_count; - /* Fields below ignored if a QP is created on the rdma_cm_id. */ - u8 srq; - u32 qp_num; - enum ib_qp_type qp_type; -}; - /** * 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); @@ -252,6 +270,21 @@ int rdma_listen(struct rdma_cm_id *id, int backlog); */ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param); +/** + * rdma_notify - Notifies the RDMA CM of an asynchronous event that has + * occurred on the connection. + * @id: Connection identifier to transition to established. + * @event: Asynchronous event. + * + * This routine should be invoked by users to notify the CM of relevant + * communication events. Events that should be reported to the CM and + * when to report them are: + * + * IB_EVENT_COMM_EST - Used when a message is received on a connected + * QP before an RTU has been received. + */ +int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event); + /** * rdma_reject - Called to reject a connection request or response. */ @@ -264,5 +297,21 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data, */ int rdma_disconnect(struct rdma_cm_id *id); -#endif /* RDMA_CM_H */ +/** + * rdma_join_multicast - Join the multicast group specified by the given + * address. + * @id: Communication identifier associated with the request. + * @addr: Multicast address identifying the group to join. + * @context: User-defined context associated with the join request, returned + * to the user through the private_data pointer in multicast events. + */ +int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, + void *context); +/** + * rdma_leave_multicast - Leave the multicast group specified by the given + * address. + */ +void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr); + +#endif /* RDMA_CM_H */