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Diffstat (limited to 'net/rds/rdma_transport.c')
-rw-r--r--net/rds/rdma_transport.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 9986d6065c4d..5f741e51b4ba 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -43,6 +43,9 @@ static struct rdma_cm_id *rds_rdma_listen_id;
static struct rdma_cm_id *rds6_rdma_listen_id;
#endif
+/* Per IB specification 7.7.3, service level is a 4-bit field. */
+#define TOS_TO_SL(tos) ((tos) & 0xF)
+
static int rds_rdma_cm_event_handler_cmn(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event,
bool isv6)
@@ -97,10 +100,13 @@ static int rds_rdma_cm_event_handler_cmn(struct rdma_cm_id *cm_id,
struct rds_ib_connection *ibic;
ibic = conn->c_transport_data;
- if (ibic && ibic->i_cm_id == cm_id)
+ if (ibic && ibic->i_cm_id == cm_id) {
+ cm_id->route.path_rec[0].sl =
+ TOS_TO_SL(conn->c_tos);
ret = trans->cm_initiate_connect(cm_id, isv6);
- else
+ } else {
rds_conn_drop(conn);
+ }
}
break;