From: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Add Reject (REJ) definitions as it is written
in IBTA release 1.3 volume 1.
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/core/cm.c | 6 +++---
drivers/infiniband/core/cm_msgs.h | 19 +++++++++++++++++--
drivers/infiniband/core/cma.c | 2 +-
include/rdma/ib_cm.h | 2 --
4 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index c477629f5106..d8e28c15b9d8 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -2713,8 +2713,8 @@ int ib_send_cm_rej(struct ib_cm_id *cm_id,
unsigned long flags;
int ret;
- if ((private_data && private_data_len > IB_CM_REJ_PRIVATE_DATA_SIZE) ||
- (ari && ari_length > IB_CM_REJ_ARI_LENGTH))
+ if ((private_data && private_data_len > CM_REJ_PRIVATE_DATA_SIZE) ||
+ (ari && ari_length > CM_REJ_ARI_SIZE))
return -EINVAL;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
@@ -2775,7 +2775,7 @@ static void cm_format_rej_event(struct cm_work *work)
param->ari_length = cm_rej_get_reject_info_len(rej_msg);
param->reason = __be16_to_cpu(rej_msg->reason);
work->cm_event.private_data = &rej_msg->private_data;
- work->cm_event.private_data_len = IB_CM_REJ_PRIVATE_DATA_SIZE;
+ work->cm_event.private_data_len = CM_REJ_PRIVATE_DATA_SIZE;
}
static struct cm_id_private * cm_acquire_rejected_id(struct cm_rej_msg *rej_msg)
diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h
index 20784b0fa4af..448f9ba39564 100644
--- a/drivers/infiniband/core/cm_msgs.h
+++ b/drivers/infiniband/core/cm_msgs.h
@@ -197,6 +197,21 @@
#define CM_MRA_PRIVATE_DATA_OFFSET 10
#define CM_MRA_PRIVATE_DATA_SIZE 222
+#define CM_REJ_LOCAL_COMM_ID_OFFSET 0
+#define CM_REJ_LOCAL_COMM_ID_MASK GENMASK(31, 0)
+#define CM_REJ_REMOTE_COMM_ID_OFFSET 4
+#define CM_REJ_REMOTE_COMM_ID__MASK GENMASK(31, 0)
+#define CM_REJ_MESSAGE_REJECTED_OFFSET 8
+#define CM_REJ_MESSAGE_REJECTED_MASK GENMASK(1, 0)
+#define CM_REJ_REJECTED_INFO_LENGTH_OFFSET 9
+#define CM_REJ_REJECTED_INFO_LENGTH_MASK GENMASK(6, 0)
+#define CM_REJ_REASON_OFFSET 10
+#define CM_REJ_REASON_MASK GENMASK(15, 0)
+#define CM_REJ_ARI_OFFSET 12
+#define CM_REJ_ARI_SIZE 72
+#define CM_REJ_PRIVATE_DATA_OFFSET 84
+#define CM_REJ_PRIVATE_DATA_SIZE 148
+
struct cm_req_msg {
struct ib_mad_hdr hdr;
@@ -610,9 +625,9 @@ struct cm_rej_msg {
/* reject info length:7, rsvd:1. */
u8 offset9;
__be16 reason;
- u8 ari[IB_CM_REJ_ARI_LENGTH];
+ u8 ari[CM_REJ_ARI_SIZE];
- u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
+ u8 private_data[CM_REJ_PRIVATE_DATA_SIZE];
} __packed;
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 8e98faf071cf..38909e4835d5 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1951,7 +1951,7 @@ static int cma_ib_handler(struct ib_cm_id *cm_id,
event.status = ib_event->param.rej_rcvd.reason;
event.event = RDMA_CM_EVENT_REJECTED;
event.param.conn.private_data = ib_event->private_data;
- event.param.conn.private_data_len = IB_CM_REJ_PRIVATE_DATA_SIZE;
+ event.param.conn.private_data_len = CM_REJ_PRIVATE_DATA_SIZE;
break;
default:
pr_err("RDMA CMA: unexpected IB CM event: %d\n",
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 6d73316be651..a5b9bd49041b 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -65,12 +65,10 @@ enum ib_cm_event_type {
};
enum ib_cm_data_size {
- IB_CM_REJ_PRIVATE_DATA_SIZE = 148,
IB_CM_REP_PRIVATE_DATA_SIZE = 196,
IB_CM_RTU_PRIVATE_DATA_SIZE = 224,
IB_CM_DREQ_PRIVATE_DATA_SIZE = 220,
IB_CM_DREP_PRIVATE_DATA_SIZE = 224,
- IB_CM_REJ_ARI_LENGTH = 72,
IB_CM_LAP_PRIVATE_DATA_SIZE = 168,
IB_CM_APR_PRIVATE_DATA_SIZE = 148,
IB_CM_APR_INFO_LENGTH = 72,
--
2.20.1
