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RDMA/cxgb3: Fixes for "normal close" failures

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Fixes for "normal close" failures:

- Start normal close timer when moving to CLOSING state.
- Handle ABORTING state in close_con_rpl().
- Stop timer correctly on abort during a normal close.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Steve Wise 2007-03-06 14:43:56 -06:00 committed by Roland Dreier
parent c3bb1092c8
commit 42e3175354
1 changed files with 8 additions and 5 deletions
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13
drivers/infiniband/hw/cxgb3/iwch_cm.c
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@ -1415,6 +1415,7 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
wake_up(&ep->com.waitq);
break;
case FPDU_MODE:
start_ep_timer(ep);
__state_set(&ep->com, CLOSING);
attrs.next_state = IWCH_QP_STATE_CLOSING;
iwch_modify_qp(ep->com.qp->rhp, ep->com.qp,
@ -1425,7 +1426,6 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
disconnect = 0;
break;
case CLOSING:
start_ep_timer(ep);
__state_set(&ep->com, MORIBUND);
disconnect = 0;
break;
@ -1507,9 +1507,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
get_ep(&ep->com);
break;
case MORIBUND:
stop_ep_timer(ep);
case FPDU_MODE:
case CLOSING:
stop_ep_timer(ep);
/*FALLTHROUGH*/
case FPDU_MODE:
if (ep->com.cm_id && ep->com.qp) {
attrs.next_state = IWCH_QP_STATE_ERROR;
ret = iwch_modify_qp(ep->com.qp->rhp,
@ -1570,7 +1571,6 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
spin_lock_irqsave(&ep->com.lock, flags);
switch (ep->com.state) {
case CLOSING:
start_ep_timer(ep);
__state_set(&ep->com, MORIBUND);
break;
case MORIBUND:
@ -1586,6 +1586,8 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
__state_set(&ep->com, DEAD);
release = 1;
break;
case ABORTING:
break;
case DEAD:
default:
BUG_ON(1);
@ -1659,6 +1661,7 @@ static void ep_timeout(unsigned long arg)
break;
case MPA_REQ_WAIT:
break;
case CLOSING:
case MORIBUND:
if (ep->com.cm_id && ep->com.qp) {
attrs.next_state = IWCH_QP_STATE_ERROR;
@ -1956,11 +1959,11 @@ int iwch_ep_disconnect(struct iwch_ep *ep, int abrupt, gfp_t gfp)
case MPA_REQ_RCVD:
case MPA_REP_SENT:
case FPDU_MODE:
start_ep_timer(ep);
ep->com.state = CLOSING;
close = 1;
break;
case CLOSING:
start_ep_timer(ep);
ep->com.state = MORIBUND;
close = 1;
break;