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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>
This commit is contained in:
Steve Wise 2007-10-29 11:34:05 -05:00 committed by Roland Dreier
parent e193e3326c
commit 8d8293cfb3
1 changed files with 10 additions and 0 deletions
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10
drivers/infiniband/core/cma.c
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@ -1262,6 +1262,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
struct net_device *dev = NULL; struct net_device *dev = NULL;
struct rdma_cm_event event; struct rdma_cm_event event;
int ret; int ret;
struct ib_device_attr attr;
listen_id = cm_id->context; listen_id = cm_id->context;
if (cma_disable_remove(listen_id, CMA_LISTEN)) 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 = (struct sockaddr_in *) &new_cm_id->route.addr.dst_addr;
*sin = iw_event->remote_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); memset(&event, 0, sizeof event);
event.event = RDMA_CM_EVENT_CONNECT_REQUEST; event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
event.param.conn.private_data = iw_event->private_data; event.param.conn.private_data = iw_event->private_data;
event.param.conn.private_data_len = iw_event->private_data_len; 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); ret = conn_id->id.event_handler(&conn_id->id, &event);
if (ret) { if (ret) {
/* User wants to destroy the CM ID */ /* User wants to destroy the CM ID */