Since commit f81ec748434b ("net/mlx5: fix memory region lookup") the
Memory Region (MR) are no longer ovetrlaps.
Comparing the end address of the MR should be exclusive, otherwise two
contiguous MRs may cause wrong matching.
Fixes: f81ec748434b ("net/mlx5: fix memory region lookup")
Cc: [email protected]
Signed-off-by: Xueming Li <[email protected]>
Signed-off-by: Shahaf Shuler <[email protected]>
Acked-by: Nelio Laranjeiro <[email protected]>
---
drivers/net/mlx5/mlx5_rxtx.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 7e7db0e8c..2919a747c 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -552,7 +552,7 @@ mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf
*mb)
struct mlx5_mr *mr;
assert(i < RTE_DIM(txq->mp2mr));
- if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end >= addr))
+ if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end > addr))
return txq->mp2mr[i]->lkey;
for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
if (unlikely(txq->mp2mr[i] == NULL ||
@@ -561,7 +561,7 @@ mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf
*mb)
break;
}
if (txq->mp2mr[i]->start <= addr &&
- txq->mp2mr[i]->end >= addr) {
+ txq->mp2mr[i]->end > addr) {
assert(txq->mp2mr[i]->lkey != (uint32_t)-1);
txq->mr_cache_idx = i;
return txq->mp2mr[i]->lkey;
--
2.12.0
