[dpdk-dev] [PATCH v3 11/28] common/cnxk: restore NIX sqb pool limit before destroy

Nithin Dabilpuram ndabilpuram at marvell.com
Fri Oct 1 15:40:05 CEST 2021


Restore SQB AURA/POOL limit before destroying SQB to be
able to drain all the buffers from the aura.

Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
---
 drivers/common/cnxk/roc_nix_queue.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/common/cnxk/roc_nix_queue.c b/drivers/common/cnxk/roc_nix_queue.c
index 41a1422..a8a713a 100644
--- a/drivers/common/cnxk/roc_nix_queue.c
+++ b/drivers/common/cnxk/roc_nix_queue.c
@@ -934,6 +934,11 @@ roc_nix_sq_fini(struct roc_nix_sq *sq)
 		rc |= NIX_ERR_NDC_SYNC;
 
 	rc |= nix_tm_sq_flush_post(sq);
+
+	/* Restore limit to max SQB count that the pool was created
+	 * for aura drain to succeed.
+	 */
+	roc_npa_aura_limit_modify(sq->aura_handle, NIX_MAX_SQB);
 	rc |= roc_npa_pool_destroy(sq->aura_handle);
 	plt_free(sq->fc);
 	plt_free(sq->sqe_mem);
-- 
2.8.4



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