redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

RDMA/cxgb4: Mark QP in error before disabling the queue in firmware

Browse source 
QPs need to be moved to error before telling the firwmare to shutdown
the queue.  Otherwise, the application can submit WRs that will never
get fetched by the hardware and never flushed by the driver.

Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Acked-by: Steve Wise <swsie@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Tom Tucker 2011-10-25 16:38:30 +05:30 committed by Roland Dreier
parent 581bbe2cd0
commit d32ae393db
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/infiniband/hw/cxgb4/qp.c
View file

@ -1221,6 +1221,8 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
disconnect = 1;
c4iw_get_ep(&qhp->ep->com);
}
if (qhp->ibqp.uobject)
t4_set_wq_in_error(&qhp->wq);
ret = rdma_fini(rhp, qhp, ep);
if (ret)
goto err;
@ -1237,6 +1239,8 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
break;
case C4IW_QP_STATE_ERROR:
set_state(qhp, C4IW_QP_STATE_ERROR);
if (qhp->ibqp.uobject)
t4_set_wq_in_error(&qhp->wq);
if (!internal) {
abort = 1;
disconnect = 1;