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iw_cxgb4: explicitly move the qp to ERROR state during flush

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This forces the connection to abort if the application failed to
disconnect before flushing.  This is aligned with how the common
flush services work.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Steve Wise 2016-07-29 08:38:46 -07:00 committed by Doug Ledford
parent 12eb5137ed
commit 1b1a889dbb
1 changed files with 9 additions and 0 deletions
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9
drivers/infiniband/hw/cxgb4/qp.c
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@ -1898,12 +1898,20 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
return 0;
}
static void move_qp_to_err(struct c4iw_qp *qp)
{
struct c4iw_qp_attributes attrs = { .next_state = C4IW_QP_STATE_ERROR };
(void)c4iw_modify_qp(qp->rhp, qp, C4IW_QP_ATTR_NEXT_STATE, &attrs, 1);
}
void c4iw_drain_sq(struct ib_qp *ibqp)
{
struct c4iw_qp *qp = to_c4iw_qp(ibqp);
unsigned long flag;
bool need_to_wait;
move_qp_to_err(qp);
spin_lock_irqsave(&qp->lock, flag);
need_to_wait = !t4_sq_empty(&qp->wq);
spin_unlock_irqrestore(&qp->lock, flag);
@ -1918,6 +1926,7 @@ void c4iw_drain_rq(struct ib_qp *ibqp)
unsigned long flag;
bool need_to_wait;
move_qp_to_err(qp);
spin_lock_irqsave(&qp->lock, flag);
need_to_wait = !t4_rq_empty(&qp->wq);
spin_unlock_irqrestore(&qp->lock, flag);