[dpdk-dev] [PATCH 8/8] net/bnxt: fix to free a filter before reusing it

Ajit Khaparde ajit.khaparde at broadcom.com
Thu Jul 20 06:48:26 CEST 2017


This patch sends the HWRM command to free a filter in the hardware,
before using it again.

Fixes: f92735db1e4c ("net/bnxt: add L2 filter alloc/init/free")

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 drivers/net/bnxt/bnxt_hwrm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index e230b46..4b1810c 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -352,6 +352,9 @@ int bnxt_hwrm_set_filter(struct bnxt *bp,
 	struct hwrm_cfa_l2_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr;
 	uint32_t enables = 0;
 
+	if (filter->fw_l2_filter_id != UINT64_MAX)
+		bnxt_hwrm_clear_filter(bp, filter);
+
 	HWRM_PREP(req, CFA_L2_FILTER_ALLOC, -1, resp);
 
 	req.flags = rte_cpu_to_le_32(filter->flags);
-- 
2.10.1 (Apple Git-78)



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