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[dpdk-dev,v2,4/6] net/mlx5: warn for un-successful memory registration

Message ID 18e7587b726a330bca167c3e16896bcd887afa1b.1516896871.git.shahafs@mellanox.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Shahaf Shuler Jan. 25, 2018, 4:18 p.m. UTC 
  Memory registration can fail, add the proper warning for such scenario
for it at least to be visible in debug mode.

Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
---
 drivers/net/mlx5/mlx5_rxtx.h | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 26be206a7..e6d163a59 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -576,6 +576,11 @@  mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb)
 	if (mr) {
 		rte_atomic32_inc(&mr->refcnt);
 		return mr->lkey;
+	} else {
+		struct rte_mempool *mp = mlx5_tx_mb2mp(mb);
+
+		WARN("Failed to register mempool 0x%p(%s)",
+		      (void *)mp, mp->name);
 	}
 	return (uint32_t)-1;
 }