From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Add LAP 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 | 4 ++--
drivers/infiniband/core/cm_msgs.h | 2 +-
include/rdma/ib_cm.h | 1 -
include/rdma/ibta_vol1_c12.h | 26 ++++++++++++++++++++++++++
4 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index d11ca6bdf016..002904c03554 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3110,7 +3110,7 @@ int ib_send_cm_lap(struct ib_cm_id *cm_id,
unsigned long flags;
int ret;
- if (private_data && private_data_len > IB_CM_LAP_PRIVATE_DATA_SIZE)
+ if (private_data && private_data_len > CM_LAP_PRIVATE_DATA_SIZE)
return -EINVAL;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
@@ -3224,7 +3224,7 @@ static int cm_lap_handler(struct cm_work *work)
param->alternate_path = &work->path[0];
cm_format_path_from_lap(cm_id_priv, param->alternate_path, lap_msg);
work->cm_event.private_data = &lap_msg->private_data;
- work->cm_event.private_data_len = IB_CM_LAP_PRIVATE_DATA_SIZE;
+ work->cm_event.private_data_len = CM_LAP_PRIVATE_DATA_SIZE;
spin_lock_irq(&cm_id_priv->lock);
if (cm_id_priv->id.state != IB_CM_ESTABLISHED)
diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h
index 98088a84f2fc..6c94d083c996 100644
--- a/drivers/infiniband/core/cm_msgs.h
+++ b/drivers/infiniband/core/cm_msgs.h
@@ -644,7 +644,7 @@ struct cm_lap_msg {
/* local ACK timeout:5, rsvd:3 */
u8 offset63;
- u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
+ u8 private_data[CM_LAP_PRIVATE_DATA_SIZE];
} __packed;
static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index f1fccc8f387f..08d3217bdaf1 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_LAP_PRIVATE_DATA_SIZE = 168,
IB_CM_APR_PRIVATE_DATA_SIZE = 148,
IB_CM_APR_INFO_LENGTH = 72,
IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216,
diff --git a/include/rdma/ibta_vol1_c12.h b/include/rdma/ibta_vol1_c12.h
index 8d57e24534aa..d998cf0cde4c 100644
--- a/include/rdma/ibta_vol1_c12.h
+++ b/include/rdma/ibta_vol1_c12.h
@@ -145,4 +145,30 @@
#define CM_DREP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_drep_msg, 8, 1792)
#define CM_DREP_PRIVATE_DATA_SIZE 224
+/* Table 115 LAP Message Contents */
+#define CM_LAP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_lap_msg, 0, 32)
+#define CM_LAP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_lap_msg, 4, 32)
+#define CM_LAP_REMOTE_QPN_EECN CM_FIELD32_LOC(struct cm_lap_msg, 12, 24)
+#define CM_LAP_REMOTE_CM_RESPONSE_TIMEOUT \
+ CM_FIELD8_LOC(struct cm_lap_msg, 15, 5)
+#define CM_LAP_ALTERNATE_LOCAL_PORT_LID \
+ CM_FIELD16_LOC(struct cm_lap_msg, 20, 16)
+#define CM_LAP_ALTERNATE_REMOTE_PORT_LID \
+ CM_FIELD16_LOC(struct cm_lap_msg, 22, 16)
+#define CM_LAP_ALTERNATE_LOCAL_PORT_GID \
+ CM_FIELD_MLOC(struct cm_lap_msg, 24, 128)
+#define CM_LAP_ALTERNATE_REMOTE_PORT_GID \
+ CM_FIELD_MLOC(struct cm_lap_msg, 40, 128)
+#define CM_LAP_ALTERNATE_FLOW_LABEL CM_FIELD32_LOC(struct cm_lap_msg, 56, 20)
+#define CM_LAP_ALTERNATE_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_lap_msg, 59, 8)
+#define CM_LAP_ALTERNATE_HOP_LIMIT CM_FIELD8_LOC(struct cm_lap_msg, 60, 8)
+#define CM_LAP_ALTERNATE_PACKET_RATE CM_FIELD_BLOC(struct cm_lap_msg, 61, 2, 6)
+#define CM_LAP_ALTERNATE_SL CM_FIELD8_LOC(struct cm_lap_msg, 62, 4)
+#define CM_LAP_ALTERNATE_SUBNET_LOCAL \
+ CM_FIELD_BLOC(struct cm_lap_msg, 62, 4, 1)
+#define CM_LAP_ALTERNATE_LOCAL_ACK_TIMEOUT \
+ CM_FIELD8_LOC(struct cm_lap_msg, 63, 5)
+#define CM_LAP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_lap_msg, 64, 1344)
+#define CM_LAP_PRIVATE_DATA_SIZE 168
+
#endif /* _IBTA_VOL1_C12_H_ */
--
2.20.1
