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Commit 450bb387 authored Feb 20, 2008 by Patrick Marchand Latifi Committed by Roland Dreier Mar 11, 2008

IB/ipath: Reset the retry counter for RDMA_READ_RESPONSE_MIDDLE packets



Reset the retry counter when we get a good RDMA_READ_RESPONSE_MIDDLE
packet.  This fix will prevent the requester from reporting a retry
exceeded error too early.

Signed-off-by: Patrick Marchand Latifi <patrick.latifi@qlogic.com>

parent 2a049e51

drivers/infiniband/hw/ipath/ipath_rc.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1196,6 +1196,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
		list_move_tail(&qp->timerwait,
		&dev->pending[dev->pending_index]);
		spin_unlock(&dev->pending_lock);

		if (opcode == OP(RDMA_READ_RESPONSE_MIDDLE))
		qp->s_retry = qp->s_retry_cnt;

		/*
		* Update the RDMA receive state but do the copy w/o
		* holding the locks and blocking interrupts.