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RDMA/cxgb4: Abort connections that receive unexpected streaming mode data

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This error means the RDMA connection was knocked out of RDMA mode,
probably due to an error on the connection.

Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Vipul Pandya 2013-01-07 13:11:50 +00:00 committed by Roland Dreier
parent 836dc9e3fb
commit 55abf8df0a
1 changed files with 10 additions and 9 deletions
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19
drivers/infiniband/hw/cxgb4/cm.c
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@ -1391,30 +1391,31 @@ static int rx_data(struct c4iw_dev *dev, struct sk_buff *skb)
skb_pull(skb, sizeof(*hdr));
skb_trim(skb, dlen);
ep->rcv_seq += dlen;
BUG_ON(ep->rcv_seq != (ntohl(hdr->seq) + dlen));
/* update RX credits */
update_rx_credits(ep, dlen);
switch (state_read(&ep->com)) {
case MPA_REQ_SENT:
ep->rcv_seq += dlen;
process_mpa_reply(ep, skb);
break;
case MPA_REQ_WAIT:
ep->rcv_seq += dlen;
process_mpa_request(ep, skb);
break;
case MPA_REP_SENT:
break;
default:
pr_err("%s Unexpected streaming data." \
" ep %p state %d tid %u status %d\n",
__func__, ep, state_read(&ep->com), ep->hwtid, status);
/*
* The ep will timeout and inform the ULP of the failure.
* See ep_timeout().
*/
if (ep->com.qp) {
struct c4iw_qp_attributes attrs;
attrs.next_state = C4IW_QP_STATE_ERROR;
c4iw_modify_qp(ep->com.qp->rhp, ep->com.qp,
C4IW_QP_ATTR_NEXT_STATE, &attrs, 1);
}
c4iw_ep_disconnect(ep, 1, GFP_KERNEL);
break;
}
return 0;