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 e230b46..4b1810c 100644 (file)
--- 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);