diff options
| -rw-r--r-- | net/rds/ib_cm.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index f621086f803..0ad749c17c2 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -116,6 +116,16 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, struct rdma_cm_even RDS_PROTOCOL_MINOR(conn->c_version), ic->i_flowctl ? ", flow control" : ""); + /* + * Init rings and fill recv. this needs to wait until protocol negotiation + * is complete, since ring layout is different from 3.0 to 3.1. + */ + rds_ib_send_init_ring(ic); + rds_ib_recv_init_ring(ic); + /* Post receive buffers - as a side effect, this will update + * the posted credit count. */ + rds_ib_recv_refill(conn, GFP_KERNEL, GFP_HIGHUSER, 1); + /* Tune RNR behavior */ rds_ib_tune_rnr(ic, &qp_attr); @@ -324,7 +334,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) rdsdebug("send allocation failed\n"); goto out; } - rds_ib_send_init_ring(ic); + memset(ic->i_sends, 0, ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work)); ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work)); if (ic->i_recvs == NULL) { @@ -332,14 +342,10 @@ static int rds_ib_setup_qp(struct rds_connection *conn) rdsdebug("recv allocation failed\n"); goto out; } + memset(ic->i_recvs, 0, ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work)); - rds_ib_recv_init_ring(ic); rds_ib_recv_init_ack(ic); - /* Post receive buffers - as a side effect, this will update - * the posted credit count. */ - rds_ib_recv_refill(conn, GFP_KERNEL, GFP_HIGHUSER, 1); - rdsdebug("conn %p pd %p mr %p cq %p %p\n", conn, ic->i_pd, ic->i_mr, ic->i_send_cq, ic->i_recv_cq); |