Same patch as posted earlier for kernel.
---
libmthca: completion with error for memfree might get WQE index == -1.
Signed-off-by: Michael S. Tsirkin <[EMAIL PROTECTED]>
Index: openib/src/userspace/libmthca/src/cq.c
===================================================================
--- openib/src/userspace/libmthca/src/cq.c (revision 7890)
+++ openib/src/userspace/libmthca/src/cq.c (working copy)
@@ -349,6 +349,22 @@
} else {
wq = &(*cur_qp)->rq;
wqe_index = ntohl(cqe->wqe) >> wq->wqe_shift;
+ /* WQE index == -1 might be reported by
+ Sinai FW 1.0.800, Arbel FW 5.1.400 and should be fixed
+ in later revisions. */
+ if (wqe_index >= (*cur_qp)->rq.max) {
+ if (is_error &&
+ (wqe_index == 0xffffffff >> wq->wqe_shift) &&
+ mthca_is_memfree(cq->ibv_cq.context))
+ wqe_index = wq->max - 1;
+ else {
+ printf("Corrupted RQ CQE. "
+ "CQ 0x%x QP 0x%x idx 0x%x > 0x%x\n",
+ cq->cqn, wc->qp_num, wqe_index,
+ wq->max);
+ return -1;
+ }
+ }
wc->wr_id = (*cur_qp)->wrid[wqe_index];
}
--
MST
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