net/bnxt: fix L2 filter allocation

DPDK does not support RoCE and XDP. The driver should set the
bit 5:4 of the flag to 1 and set bit 6 of the flag in the
HWRM_CFA_L2_FILTER_ALLOC command to disable RoCE and XDP features.

This change will greatly reduce the CFA resource consumption.

Fixes: f92735db1e4c ("net/bnxt: add L2 filter alloc/init/free")
Cc: stable@dpdk.org
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index f326f84..b269526 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -530,6 +530,9 @@ int bnxt_hwrm_set_l2_filter(struct bnxt *bp,
 
        HWRM_PREP(&req, HWRM_CFA_L2_FILTER_ALLOC, BNXT_USE_CHIMP_MB);
 
+       /* PMD does not support XDP and RoCE */
+       filter->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE |
+                       HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_TRAFFIC_L2;
        req.flags = rte_cpu_to_le_32(filter->flags);
 
        enables = filter->enables |