Fix posting receive work request lists of length > 255 on Tavor

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 7 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index f2110d9..078ee26 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-11-29  Michael S. Tsirkin  <mst@mellanox.co.il>
+
+	* src/qp.c (mthca_tavor_post_recv): Fix posting long receive
+	lists: nreq is set to zero early on, so we need to use
+	MTHCA_TAVOR_MAX_WQES_PER_RECV_DB as the increment to rq.head.
+
 2005-11-28  Roland Dreier  <roland@cisco.com>
 
 	* src/qp.c (mthca_init_qp_indices): Set qp->sq.last and
diff --git a/src/qp.c b/src/qp.c
index 781850e..b06213a 100644
--- a/src/qp.c
+++ b/src/qp.c
@@ -345,7 +345,7 @@ int mthca_tavor_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr,
 
 			mthca_write64(doorbell, to_mctx(ibqp->context), MTHCA_RECV_DOORBELL);
 
-			qp->rq.head += nreq;
+			qp->rq.head += MTHCA_TAVOR_MAX_WQES_PER_RECV_DB;
 			size0 = 0;
 		}