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-rw-r--r--drivers/infiniband/core/cma.c42
1 files changed, 19 insertions, 23 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 982836e69f5..637efead97a 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -488,7 +488,8 @@ void rdma_destroy_qp(struct rdma_cm_id *id)
}
EXPORT_SYMBOL(rdma_destroy_qp);
-static int cma_modify_qp_rtr(struct rdma_id_private *id_priv)
+static int cma_modify_qp_rtr(struct rdma_id_private *id_priv,
+ struct rdma_conn_param *conn_param)
{
struct ib_qp_attr qp_attr;
int qp_attr_mask, ret;
@@ -514,13 +515,16 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv)
if (ret)
goto out;
+ if (conn_param)
+ qp_attr.max_dest_rd_atomic = conn_param->responder_resources;
ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
out:
mutex_unlock(&id_priv->qp_mutex);
return ret;
}
-static int cma_modify_qp_rts(struct rdma_id_private *id_priv)
+static int cma_modify_qp_rts(struct rdma_id_private *id_priv,
+ struct rdma_conn_param *conn_param)
{
struct ib_qp_attr qp_attr;
int qp_attr_mask, ret;
@@ -536,6 +540,8 @@ static int cma_modify_qp_rts(struct rdma_id_private *id_priv)
if (ret)
goto out;
+ if (conn_param)
+ qp_attr.max_rd_atomic = conn_param->initiator_depth;
ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
out:
mutex_unlock(&id_priv->qp_mutex);
@@ -866,11 +872,11 @@ static int cma_rep_recv(struct rdma_id_private *id_priv)
{
int ret;
- ret = cma_modify_qp_rtr(id_priv);
+ ret = cma_modify_qp_rtr(id_priv, NULL);
if (ret)
goto reject;
- ret = cma_modify_qp_rts(id_priv);
+ ret = cma_modify_qp_rts(id_priv, NULL);
if (ret)
goto reject;
@@ -2284,7 +2290,7 @@ static int cma_connect_iw(struct rdma_id_private *id_priv,
sin = (struct sockaddr_in*) &id_priv->id.route.addr.dst_addr;
cm_id->remote_addr = *sin;
- ret = cma_modify_qp_rtr(id_priv);
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
if (ret)
goto out;
@@ -2347,25 +2353,15 @@ static int cma_accept_ib(struct rdma_id_private *id_priv,
struct rdma_conn_param *conn_param)
{
struct ib_cm_rep_param rep;
- struct ib_qp_attr qp_attr;
- int qp_attr_mask, ret;
-
- if (id_priv->id.qp) {
- ret = cma_modify_qp_rtr(id_priv);
- if (ret)
- goto out;
+ int ret;
- qp_attr.qp_state = IB_QPS_RTS;
- ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, &qp_attr,
- &qp_attr_mask);
- if (ret)
- goto out;
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
+ if (ret)
+ goto out;
- qp_attr.max_rd_atomic = conn_param->initiator_depth;
- ret = ib_modify_qp(id_priv->id.qp, &qp_attr, qp_attr_mask);
- if (ret)
- goto out;
- }
+ ret = cma_modify_qp_rts(id_priv, conn_param);
+ if (ret)
+ goto out;
memset(&rep, 0, sizeof rep);
rep.qp_num = id_priv->qp_num;
@@ -2390,7 +2386,7 @@ static int cma_accept_iw(struct rdma_id_private *id_priv,
struct iw_cm_conn_param iw_param;
int ret;
- ret = cma_modify_qp_rtr(id_priv);
+ ret = cma_modify_qp_rtr(id_priv, conn_param);
if (ret)
return ret;