d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/mlx5: fix memory region boundary checks

Browse Source 
Since commit f81ec74843 ("net/mlx5: fix memory region lookup") the
Memory Region (MR) are no longer overlaps.

Comparing the end address of the MR should be exclusive, otherwise two
contiguous MRs may cause wrong matching.

Fixes: f81ec74843 ("net/mlx5: fix memory region lookup")
Cc: stable@dpdk.org

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
This commit is contained in:
Shahaf Shuler 2018-01-25 18:18:03 +02:00 committed by Ferruh Yigit
parent 627cbfad1c
commit 25f28d9d29
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/mlx5/mlx5_rxtx.h
View File

@ -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;