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authorSteve Wise <swise@opengridcomputing.com>2007-10-29 11:34:05 -0500
committerRoland Dreier <rolandd@cisco.com>2008-01-25 14:15:25 -0800
commit8d8293cfb38b042835eeded7c1d90f75ca243e87 (patch)
treeeffb8294cf1792bdb9bc5e6c94342cf6f1950e97 /drivers/infiniband/core/cma.c
parente193e3326c521eea6a0221e945627ae5e3274910 (diff)
RDMA/iwcm: Set initiator depth and responder resources to device max values
Set the initiator depth and responder resources to the device max values for new connect request events in the iWARP connection manager. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r--drivers/infiniband/core/cma.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 0751697ef98..5a80e74731c 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1262,6 +1262,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
struct net_device *dev = NULL;
struct rdma_cm_event event;
int ret;
+ struct ib_device_attr attr;
listen_id = cm_id->context;
if (cma_disable_remove(listen_id, CMA_LISTEN))
@@ -1311,10 +1312,19 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
sin = (struct sockaddr_in *) &new_cm_id->route.addr.dst_addr;
*sin = iw_event->remote_addr;
+ ret = ib_query_device(conn_id->id.device, &attr);
+ if (ret) {
+ cma_enable_remove(conn_id);
+ rdma_destroy_id(new_cm_id);
+ goto out;
+ }
+
memset(&event, 0, sizeof event);
event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
event.param.conn.private_data = iw_event->private_data;
event.param.conn.private_data_len = iw_event->private_data_len;
+ event.param.conn.initiator_depth = attr.max_qp_init_rd_atom;
+ event.param.conn.responder_resources = attr.max_qp_rd_atom;
ret = conn_id->id.event_handler(&conn_id->id, &event);
if (ret) {
/* User wants to destroy the CM ID */