[PATCH rdma-next 12/43] RDMA/cm: Service ID Resolution Response (SIDR_REP) definitions

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From: Leon Romanovsky <leonro@xxxxxxxxxxxx>

Add SIDR_REP message definitions as it is written
in IBTA release 1.3 volume 1.

Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
 drivers/infiniband/core/cm.c      |  7 ++++---
 drivers/infiniband/core/cm_msgs.h | 21 +++++++++++++++++++--
 drivers/infiniband/core/cma.c     |  2 +-
 include/rdma/ib_cm.h              |  5 -----
 4 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 55a14acaa333..d07a5f141720 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3618,9 +3618,10 @@ int ib_send_cm_sidr_rep(struct ib_cm_id *cm_id,
 	unsigned long flags;
 	int ret;
 
-	if ((param->info && param->info_length > IB_CM_SIDR_REP_INFO_LENGTH) ||
+	if ((param->info &&
+	     param->info_length > CM_SIDR_REP_ADDITIONAL_INFORMATION_SIZE) ||
 	    (param->private_data &&
-	     param->private_data_len > IB_CM_SIDR_REP_PRIVATE_DATA_SIZE))
+	     param->private_data_len > CM_SIDR_REP_PRIVATE_DATA_SIZE))
 		return -EINVAL;
 
 	cm_id_priv = container_of(cm_id, struct cm_id_private, id);
@@ -3674,7 +3675,7 @@ static void cm_format_sidr_rep_event(struct cm_work *work,
 	param->info_len = sidr_rep_msg->info_length;
 	param->sgid_attr = cm_id_priv->av.ah_attr.grh.sgid_attr;
 	work->cm_event.private_data = &sidr_rep_msg->private_data;
-	work->cm_event.private_data_len = IB_CM_SIDR_REP_PRIVATE_DATA_SIZE;
+	work->cm_event.private_data_len = CM_SIDR_REP_PRIVATE_DATA_SIZE;
 }
 
 static int cm_sidr_rep_handler(struct cm_work *work)
diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h
index 9d32b84bdcb0..08b337551775 100644
--- a/drivers/infiniband/core/cm_msgs.h
+++ b/drivers/infiniband/core/cm_msgs.h
@@ -327,6 +327,23 @@
 #define CM_SIDR_REQ_PRIVATE_DATA_OFFSET 16
 #define CM_SIDR_REQ_PRIVATE_DATA_SIZE 216
 
+#define CM_SIDR_REP_REQUESTID_OFFSET 0
+#define CM_SIDR_REP_REQUESTID_MASK GENMASK(31, 0)
+#define CM_SIDR_REP_STATUS_OFFSET 4
+#define CM_SIDR_REP_STATUS_MASK GENMASK(7, 0)
+#define CM_SIDR_REP_ADDITIONAL_INFORMATION_LENGTH_OFFSET 5
+#define CM_SIDR_REP_ADDITIONAL_INFORMATION_LENGTH_MASK GENMASK(7, 0)
+#define CM_SIDR_REP_QPN_OFFSET 8
+#define CM_SIDR_REP_QPN_MASK GENMASK(23, 0)
+#define CM_SIDR_REP_SERVICEID_OFFSET 12
+#define CM_SIDR_REP_SERVICEID_MASK GENMASK_ULL(63, 0)
+#define CM_SIDR_REP_Q_KEY_OFFSET 20
+#define CM_SIDR_REP_Q_KEY_MASK GENMASK(31, 0)
+#define CM_SIDR_REP_ADDITIONAL_INFORMATION_OFFSET 24
+#define CM_SIDR_REP_ADDITIONAL_INFORMATION_SIZE 72
+#define CM_SIDR_REP_PRIVATE_DATA_OFFSET 96
+#define CM_SIDR_REP_PRIVATE_DATA_SIZE 136
+
 struct cm_req_msg {
 	struct ib_mad_hdr hdr;
 
@@ -1091,9 +1108,9 @@ struct cm_sidr_rep_msg {
 	__be32 offset8;
 	__be64 service_id;
 	__be32 qkey;
-	u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
+	u8 info[CM_SIDR_REP_ADDITIONAL_INFORMATION_SIZE];
 
-	u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
+	u8 private_data[CM_SIDR_REP_PRIVATE_DATA_SIZE];
 } __packed;
 
 static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d3bbca5b61e3..4a54cf561a95 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3694,7 +3694,7 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id,
 		break;
 	case IB_CM_SIDR_REP_RECEIVED:
 		event.param.ud.private_data = ib_event->private_data;
-		event.param.ud.private_data_len = IB_CM_SIDR_REP_PRIVATE_DATA_SIZE;
+		event.param.ud.private_data_len = CM_SIDR_REP_PRIVATE_DATA_SIZE;
 		if (rep->status != IB_SIDR_SUCCESS) {
 			event.event = RDMA_CM_EVENT_UNREACHABLE;
 			event.status = ib_event->param.sidr_rep_rcvd.status;
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 8f0c377ad250..6237c369dbd6 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -64,11 +64,6 @@ enum ib_cm_event_type {
 	IB_CM_SIDR_REP_RECEIVED
 };
 
-enum ib_cm_data_size {
-	IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136,
-	IB_CM_SIDR_REP_INFO_LENGTH	 = 72,
-};
-
 struct ib_cm_id;
 
 struct ib_cm_req_event_param {
-- 
2.20.1




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