OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

i40iw: Notify user of established connection after QP in RTS 

Established CM event is sent prior to modifying QP to RTS state.
This can result in application closing the connection before the
QP is actually in RTS state. Move sending of established CM
event to after modify QP to RTS.

Fixes: f27b4746f3 ("i40iw: add connection management code")
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Henry Orosco 2017-11-21 16:18:34 -06:00 committed by Jason Gunthorpe
parent 8bb45252bb
commit a7c6dfe215
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/infiniband/hw/i40iw/i40iw_cm.c
View File

@ -3687,11 +3687,16 @@ int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
cm_id->add_ref(cm_id);
i40iw_add_ref(&iwqp->ibqp);
i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_ESTABLISHED, 0);
attr.qp_state = IB_QPS_RTS;
cm_node->qhash_set = false;
i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL);
cm_node->accelerated = 1;
status =
i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_ESTABLISHED, 0);
if (status)
i40iw_debug(dev, I40IW_DEBUG_CM, "error sending cm event - ESTABLISHED\n");
if (cm_node->loopbackpartner) {
cm_node->loopbackpartner->pdata.size = conn_param->private_data_len;
@ -3702,7 +3707,6 @@ int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
i40iw_create_event(cm_node->loopbackpartner, I40IW_CM_EVENT_CONNECTED);
}
cm_node->accelerated = 1;
if (cm_node->accept_pend) {
atomic_dec(&cm_node->listener->pend_accepts_cnt);
cm_node->accept_pend = 0;
@ -4048,9 +4052,6 @@ static void i40iw_cm_event_connected(struct i40iw_cm_event *event)
dev->iw_priv_qp_ops->qp_send_rtt(&iwqp->sc_qp, read0);
if (iwqp->page)
kunmap(iwqp->page);
status = i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_CONNECT_REPLY, 0);
if (status)
i40iw_pr_err("send cm event\n");
memset(&attr, 0, sizeof(attr));
attr.qp_state = IB_QPS_RTS;
@ -4058,6 +4059,10 @@ static void i40iw_cm_event_connected(struct i40iw_cm_event *event)
i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL);
cm_node->accelerated = 1;
status = i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_CONNECT_REPLY,
0);
if (status)
i40iw_debug(dev, I40IW_DEBUG_CM, "error sending cm event - CONNECT_REPLY\n");
return;