[dpdk-dev] [PATCH] net/mlx5: activate Verbs cleanup on removal

Matan Azrad matan at mellanox.com
Mon Jul 2 07:13:18 CEST 2018


Starting from rdma-core v19, Mellanox OFED 4.4, the Verbs resources
cleanup is properly activated in plug-out process while setting the
MLX5_DEVICE_FATAL_CLEANUP environment variable to 1.

Set the aforementioned variable to 1.

Signed-off-by: Matan Azrad <matan at mellanox.com>
---
 drivers/net/mlx5/mlx5.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index f0e6ed7..d081bdd 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1409,6 +1409,11 @@
 	/* Match the size of Rx completion entry to the size of a cacheline. */
 	if (RTE_CACHE_LINE_SIZE == 128)
 		setenv("MLX5_CQE_SIZE", "128", 0);
+	/*
+	 * MLX5_DEVICE_FATAL_CLEANUP tells ibv_destroy functions to
+	 * cleanup all the Verbs resources even when the device was removed.
+	 */
+	setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1);
 #ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
 	if (mlx5_glue_init())
 		return;
-- 
1.9.5



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