/*
- * Copyright (c) 2004 Intel Corporation. All rights reserved.
+ * Copyright (c) 2004, 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
- *
- * $Id: ib_cm.h 2730 2005-06-28 16:43:03Z sean.hefty $
*/
#if !defined(IB_CM_H)
#define IB_CM_H
};
enum ib_cm_lap_state {
+ IB_CM_LAP_UNINIT,
IB_CM_LAP_IDLE,
IB_CM_LAP_SENT,
IB_CM_LAP_RCVD,
IB_CM_APR_INFO_LENGTH = 72,
IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216,
IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136,
- IB_CM_SIDR_REP_INFO_LENGTH = 72
+ IB_CM_SIDR_REP_INFO_LENGTH = 72,
+ IB_CM_COMPARE_SIZE = 64
};
struct ib_cm_id;
struct ib_cm_req_event_param {
struct ib_cm_id *listen_id;
- struct ib_device *device;
u8 port;
struct ib_sa_path_rec *primary_path;
struct ib_cm_sidr_req_event_param {
struct ib_cm_id *listen_id;
- struct ib_device *device;
u8 port;
u16 pkey;
};
u32 qpn;
void *info;
u8 info_len;
-
};
struct ib_cm_event {
struct ib_cm_id {
ib_cm_handler cm_handler;
void *context;
+ struct ib_device *device;
__be64 service_id;
__be64 service_mask;
enum ib_cm_state state; /* internal CM/debug use */
/**
* ib_create_cm_id - Allocate a communication identifier.
+ * @device: Device associated with the cm_id. All related communication will
+ * be associated with the specified device.
* @cm_handler: Callback invoked to notify the user of CM events.
* @context: User specified context associated with the communication
* identifier.
* Communication identifiers are used to track connection states, service
* ID resolution requests, and listen requests.
*/
-struct ib_cm_id *ib_create_cm_id(ib_cm_handler cm_handler,
+struct ib_cm_id *ib_create_cm_id(struct ib_device *device,
+ ib_cm_handler cm_handler,
void *context);
/**
*/
void ib_destroy_cm_id(struct ib_cm_id *cm_id);
-#define IB_SERVICE_ID_AGN_MASK __constant_cpu_to_be64(0xFF00000000000000ULL)
-#define IB_CM_ASSIGN_SERVICE_ID __constant_cpu_to_be64(0x0200000000000000ULL)
+#define IB_SERVICE_ID_AGN_MASK cpu_to_be64(0xFF00000000000000ULL)
+#define IB_CM_ASSIGN_SERVICE_ID cpu_to_be64(0x0200000000000000ULL)
+#define IB_CMA_SERVICE_ID cpu_to_be64(0x0000000001000000ULL)
+#define IB_CMA_SERVICE_ID_MASK cpu_to_be64(0xFFFFFFFFFF000000ULL)
+#define IB_SDP_SERVICE_ID cpu_to_be64(0x0000000000010000ULL)
+#define IB_SDP_SERVICE_ID_MASK cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
+
+struct ib_cm_compare_data {
+ u8 data[IB_CM_COMPARE_SIZE];
+ u8 mask[IB_CM_COMPARE_SIZE];
+};
/**
* ib_cm_listen - Initiates listening on the specified service ID for
* range of service IDs. If set to 0, the service ID is matched
* exactly. This parameter is ignored if %service_id is set to
* IB_CM_ASSIGN_SERVICE_ID.
+ * @compare_data: This parameter is optional. It specifies data that must
+ * appear in the private data of a connection request for the specified
+ * listen request.
*/
-int ib_cm_listen(struct ib_cm_id *cm_id,
- __be64 service_id,
- __be64 service_mask);
+int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, __be64 service_mask,
+ struct ib_cm_compare_data *compare_data);
struct ib_cm_req_param {
struct ib_sa_path_rec *primary_path;
u8 private_data_len;
u8 responder_resources;
u8 initiator_depth;
- u8 target_ack_delay;
u8 failover_accepted;
u8 flow_control;
u8 rnr_retry_count;
u8 private_data_len);
/**
- * ib_cm_establish - Forces a connection state to established.
+ * ib_cm_notify - Notifies the CM of an event reported to the consumer.
* @cm_id: Connection identifier to transition to established.
+ * @event: Type of 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:
*
- * This routine should be invoked by users who receive messages on a
- * connected QP before an RTU has been received.
+ * IB_EVENT_COMM_EST - Used when a message is received on a connected
+ * QP before an RTU has been received.
+ * IB_EVENT_PATH_MIG - Notifies the CM that the connection has failed over
+ * to the alternate path.
*/
-int ib_cm_establish(struct ib_cm_id *cm_id);
+int ib_cm_notify(struct ib_cm_id *cm_id, enum ib_event_type event);
/**
* ib_send_cm_rej - Sends a connection rejection message to the
const void *private_data,
u8 private_data_len);
+#define IB_CM_MRA_FLAG_DELAY 0x80 /* Send MRA only after a duplicate msg */
+
/**
* ib_send_cm_mra - Sends a message receipt acknowledgement to a connection
* message.
* @cm_id: Connection identifier associated with the connection message.
- * @service_timeout: The maximum time required for the sender to reply to
- * to the connection message.
+ * @service_timeout: The lower 5-bits specify the maximum time required for
+ * the sender to reply to to the connection message. The upper 3-bits
+ * specify additional control flags.
* @private_data: Optional user-defined private data sent with the
* message receipt acknowledgement.
* @private_data_len: Size of the private data buffer, in bytes.
const void *private_data;
u8 private_data_len;
u8 max_cm_retries;
- u16 pkey;
};
/**
};
/**
- * ib_send_cm_sidr_rep - Sends a service ID resolution request to the
+ * ib_send_cm_sidr_rep - Sends a service ID resolution reply to the
* remote node.
* @cm_id: Communication identifier associated with the received service ID
* resolution request.