[dpdk-dev] [PATCH v2 16/23] net/bnxt: check filter type before clearing it

[Ajit Khaparde]

In bnxt_free_filter_mem(), check the filter type and call the
appropriate HWRM command to clear the filter from HW.

Fixes: 5ef3b79fdfe6 ("net/bnxt: support flow filter ops")
Cc: stable at dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
--
v1->v2: add stable at dpdk.org in Cc.
---
 drivers/net/bnxt/bnxt_filter.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c
index 31757d32c..1038941e8 100644
--- a/drivers/net/bnxt/bnxt_filter.c
+++ b/drivers/net/bnxt/bnxt_filter.c
@@ -117,16 +117,29 @@ void bnxt_free_filter_mem(struct bnxt *bp)
 	max_filters = bp->max_l2_ctx;
 	for (i = 0; i < max_filters; i++) {
 		filter = &bp->filter_info[i];
-		if (filter->fw_l2_filter_id != ((uint64_t)-1)) {
-			PMD_DRV_LOG(ERR, "HWRM filter is not freed??\n");
+		if (filter->fw_l2_filter_id != ((uint64_t)-1) &&
+		    filter->filter_type == HWRM_CFA_L2_FILTER) {
+			PMD_DRV_LOG(ERR, "L2 filter is not free\n");
 			/* Call HWRM to try to free filter again */
 			rc = bnxt_hwrm_clear_l2_filter(bp, filter);
 			if (rc)
 				PMD_DRV_LOG(ERR,
-				       "HWRM filter cannot be freed rc = %d\n",
-					rc);
+					    "Cannot free L2 filter: %d\n",
+					    rc);
 		}
 		filter->fw_l2_filter_id = UINT64_MAX;
+
+		if (filter->fw_ntuple_filter_id != ((uint64_t)-1) &&
+		    filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
+			PMD_DRV_LOG(ERR, "NTUPLE filter is not free\n");
+			/* Call HWRM to try to free filter again */
+			rc = bnxt_hwrm_clear_ntuple_filter(bp, filter);
+			if (rc)
+				PMD_DRV_LOG(ERR,
+					    "Cannot free NTUPLE filter: %d\n",
+					    rc);
+		}
+		filter->fw_ntuple_filter_id = UINT64_MAX;
 	}
 	STAILQ_INIT(&bp->free_filter_list);
 
-- 
2.15.2 (Apple Git-101.1)