diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 982836e69f55..637efead97a0 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; + int ret; - if (id_priv->id.qp) { - ret = cma_modify_qp_rtr(id_priv); - if (ret) - goto out; + ret = cma_modify_qp_rtr(id_priv, conn_param); + if (ret) + goto out; - 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; - - 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;