diff mbox series

[rdma-rc,v2,10/48] RDMA/cm: Request For Communication Release (DREQ) definitions

Message ID 20191212093830.316934-11-leon@kernel.org (mailing list archive)
State Changes Requested
Delegated to: Jason Gunthorpe
Headers show
Series Organize code according to IBTA layout | expand

Commit Message

Leon Romanovsky Dec. 12, 2019, 9:37 a.m. UTC 
From: Leon Romanovsky <leonro@mellanox.com>

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

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/core/cm.c      | 4 ++--
 drivers/infiniband/core/cm_msgs.h | 2 +-
 include/rdma/ib_cm.h              | 1 -
 include/rdma/ibta_vol1_c12.h      | 7 +++++++
 4 files changed, 10 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 73f93e354d8b..57e35d2f657f 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -2452,7 +2452,7 @@  int ib_send_cm_dreq(struct ib_cm_id *cm_id,
 	unsigned long flags;
 	int ret;
 
-	if (private_data && private_data_len > IB_CM_DREQ_PRIVATE_DATA_SIZE)
+	if (private_data && private_data_len > CM_DREQ_PRIVATE_DATA_SIZE)
 		return -EINVAL;
 
 	cm_id_priv = container_of(cm_id, struct cm_id_private, id);
@@ -2603,7 +2603,7 @@  static int cm_dreq_handler(struct cm_work *work)
 	}
 
 	work->cm_event.private_data = &dreq_msg->private_data;
-	work->cm_event.private_data_len = IB_CM_DREQ_PRIVATE_DATA_SIZE;
+	work->cm_event.private_data_len = CM_DREQ_PRIVATE_DATA_SIZE;
 
 	spin_lock_irq(&cm_id_priv->lock);
 	if (cm_id_priv->local_qpn != cm_dreq_get_remote_qpn(dreq_msg))
diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h
index d36e90ccaeb7..c2b19d21fbe6 100644
--- a/drivers/infiniband/core/cm_msgs.h
+++ b/drivers/infiniband/core/cm_msgs.h
@@ -594,7 +594,7 @@  struct cm_dreq_msg {
 	/* remote QPN/EECN:24, rsvd:8 */
 	__be32 offset8;
 
-	u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
+	u8 private_data[CM_DREQ_PRIVATE_DATA_SIZE];
 
 } __packed;
 
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 34dc12b30399..77f4818aaf10 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -65,7 +65,6 @@  enum ib_cm_event_type {
 };
 
 enum ib_cm_data_size {
-	IB_CM_DREQ_PRIVATE_DATA_SIZE	 = 220,
 	IB_CM_DREP_PRIVATE_DATA_SIZE	 = 224,
 	IB_CM_LAP_PRIVATE_DATA_SIZE	 = 168,
 	IB_CM_APR_PRIVATE_DATA_SIZE	 = 148,
diff --git a/include/rdma/ibta_vol1_c12.h b/include/rdma/ibta_vol1_c12.h
index 892d3122023c..e3116b62d7ba 100644
--- a/include/rdma/ibta_vol1_c12.h
+++ b/include/rdma/ibta_vol1_c12.h
@@ -132,4 +132,11 @@ 
 #define CM_RTU_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rtu_msg, 8, 1792)
 #define CM_RTU_PRIVATE_DATA_SIZE 224
 
+/* Table 112 DREQ Message Contents */
+#define CM_DREQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_dreq_msg, 0, 32)
+#define CM_DREQ_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_dreq_msg, 4, 32)
+#define CM_DREQ_REMOTE_QPN_EECN CM_FIELD32_LOC(struct cm_dreq_msg, 8, 24)
+#define CM_DREQ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_dreq_msg, 12, 1760)
+#define CM_DREQ_PRIVATE_DATA_SIZE 220
+
 #endif /* _IBTA_VOL1_C12_H_ */