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RDMA/cxgb3: Wrap the software send queue pointer as needed on flush

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cxio_flush_sq() was failing to wrap around the software send queue
causing garbage completion entries on a flush operation.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Steve Wise 2008-05-13 11:52:55 -07:00 committed by Roland Dreier
parent f018c7e177
commit a58e58fafd
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/hw/cxgb3/cxio_hal.c
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@ -405,11 +405,11 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count)
struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2);
ptr = wq->sq_rptr + count;
sqp += count;
sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
while (ptr != wq->sq_wptr) {
insert_sq_cqe(wq, cq, sqp);
sqp++;
ptr++;
sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
flushed++;
}
return flushed;