From: Ajit Khaparde <ajit.khaparde@broadcom.com>
Date: Fri, 21 Jul 2017 03:22:33 +0000 (-0500)
Subject: net/bnxt: free filter before reusing it
X-Git-Tag: spdx-start~2310
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=4cddfcb71b1edeed845aff0b19c9ea73622f79c6;p=dpdk.git

net/bnxt: free filter before reusing it

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")
Cc: stable@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index e230b468ee..4b1810c238 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);