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iw_cxgb4: only reconnect with MPAv1 if the peer aborts

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[ Upstream commit 9828ca654b ]

Only retry connection setup with MPAv1 if the peer actually aborted the
connection upon receiving the MPAv2 start message.  This avoids retrying
with MPAv1 in the case where the connection was aborted due to retransmit
timeouts.

Fixes: d2fe99e86b ("RDMA/cxgb4: Add support for MPAv2 Enhanced RDMA Negotiation")
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Steve Wise 2018-11-10 05:27:39 -08:00 committed by Greg Kroah-Hartman
parent c3a62b651d
commit cd69bcc07a
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/cxgb4/cm.c
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@ -2798,7 +2798,8 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
break;
case MPA_REQ_SENT:
(void)stop_ep_timer(ep);
if (mpa_rev == 1 || (mpa_rev == 2 && ep->tried_with_mpa_v1))
if (status != CPL_ERR_CONN_RESET || mpa_rev == 1 ||
(mpa_rev == 2 && ep->tried_with_mpa_v1))
connect_reply_upcall(ep, -ECONNRESET);
else {
/*