RDMA/iwcm: add tos_set bool to iw_cm struct

This allows drivers to know the tos was actively set by the application.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

2 files changed, 4 insertions, 1 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index e761ddd09aed..c43512752b8a 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2414,6 +2414,7 @@ static int cma_iw_listen(struct rdma_id_private *id_priv, int backlog)
                 return PTR_ERR(id);
 
         id->tos = id_priv->tos;
+        id->tos_set = id_priv->tos_set;
         id_priv->cm_id.iw = id;
 
         memcpy(&id_priv->cm_id.iw->local_addr, cma_src_addr(id_priv),
@@ -3843,6 +3844,7 @@ static int cma_connect_iw(struct rdma_id_private *id_priv,
                 return PTR_ERR(cm_id);
 
         cm_id->tos = id_priv->tos;
+        cm_id->tos_set = id_priv->tos_set;
         id_priv->cm_id.iw = cm_id;
 
         memcpy(&cm_id->local_addr, cma_src_addr(id_priv),
diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h
index 48512abd3162..0e1f02815643 100644
--- a/include/rdma/iw_cm.h
+++ b/include/rdma/iw_cm.h
@@ -94,7 +94,8 @@ struct iw_cm_id {
         void (*add_ref)(struct iw_cm_id *);
         void (*rem_ref)(struct iw_cm_id *);
         u8  tos;
-        bool mapped;
+        bool tos_set:1;
+        bool mapped:1;
 };
 
 struct iw_cm_conn_param {