RDMA/iwcm: Propagate ird/ord values upwards

Update struct iw_cm_event to support propagating the ird/ord values
upwards to the application.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

2 files changed, 9 insertions, 3 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 31d958e2c9ec..3e7104554597 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1340,6 +1340,8 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
                 switch (iw_event->status) {
                 case 0:
                         event.event = RDMA_CM_EVENT_ESTABLISHED;
+                        event.param.conn.initiator_depth = iw_event->ird;
+                        event.param.conn.responder_resources = iw_event->ord;
                         break;
                 case -ECONNRESET:
                 case -ECONNREFUSED:
@@ -1355,6 +1357,8 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
                 break;
         case IW_CM_EVENT_ESTABLISHED:
                 event.event = RDMA_CM_EVENT_ESTABLISHED;
+                event.param.conn.initiator_depth = iw_event->ird;
+                event.param.conn.responder_resources = iw_event->ord;
                 break;
         default:
                 BUG_ON(1);
@@ -1445,8 +1449,8 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
         event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
         event.param.conn.private_data = iw_event->private_data;
         event.param.conn.private_data_len = iw_event->private_data_len;
-        event.param.conn.initiator_depth = attr.max_qp_init_rd_atom;
-        event.param.conn.responder_resources = attr.max_qp_rd_atom;
+        event.param.conn.initiator_depth = iw_event->ird;
+        event.param.conn.responder_resources = iw_event->ord;
 
         /*
          * Protect against the user destroying conn_id from another thread
diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h
index 2d0191c90f9e..1a046b1595cc 100644
--- a/include/rdma/iw_cm.h
+++ b/include/rdma/iw_cm.h
@@ -52,8 +52,10 @@ struct iw_cm_event {
         struct sockaddr_in local_addr;
         struct sockaddr_in remote_addr;
         void *private_data;
-        u8 private_data_len;
         void *provider_data;
+        u8 private_data_len;
+        u8 ord;
+        u8 ird;
 };
 
 /**