[dpdk-dev] [PATCH 11/16] net/bnxt: fix to check for zero mac address while parsing flow arguments

[Somnath Kotur <somnath.kotur@broadcom.com>]

Add another check to flag zero mac address while validating/parsing
the flow arguments

Fixes: 74defda79 ("net/bnxt: allow only unicast MAC address filter creation")

Reviewed-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
---
 drivers/net/bnxt/bnxt_flow.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c
index 2bde6f7..cad232a 100644
--- a/drivers/net/bnxt/bnxt_flow.c
+++ b/drivers/net/bnxt/bnxt_flow.c
@@ -136,6 +136,7 @@
 	const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
 	const struct rte_flow_item_udp *udp_spec, *udp_mask;
 	const struct rte_flow_item_eth *eth_spec, *eth_mask;
+	const struct rte_ether_addr *dst, *src;
 	const struct rte_flow_item_nvgre *nvgre_spec;
 	const struct rte_flow_item_nvgre *nvgre_mask;
 	const struct rte_flow_item_gre *gre_spec;
@@ -226,12 +227,15 @@
 			}
 
 			if (rte_is_broadcast_ether_addr(&eth_mask->dst)) {
-				if (!rte_is_unicast_ether_addr(&eth_spec->dst)) {
+				dst = &eth_spec->dst;
+				if (!rte_is_valid_assigned_ether_addr(dst)) {
 					rte_flow_error_set(error,
 							   EINVAL,
 							   RTE_FLOW_ERROR_TYPE_ITEM,
 							   item,
 							   "DMAC is invalid");
+					PMD_DRV_LOG(ERR,
+						    "DMAC is invalid!\n");
 					return -rte_errno;
 				}
 				rte_memcpy(filter->dst_macaddr,
@@ -246,14 +250,16 @@
 				PMD_DRV_LOG(DEBUG,
 					    "Creating a priority flow\n");
 			}
-
 			if (rte_is_broadcast_ether_addr(&eth_mask->src)) {
-				if (!rte_is_unicast_ether_addr(&eth_spec->src)) {
+				src = &eth_spec->src;
+				if (!rte_is_valid_assigned_ether_addr(src)) {
 					rte_flow_error_set(error,
 							   EINVAL,
 							   RTE_FLOW_ERROR_TYPE_ITEM,
 							   item,
 							   "SMAC is invalid");
+					PMD_DRV_LOG(ERR,
+						    "SMAC is invalid!\n");
 					return -rte_errno;
 				}
 				rte_memcpy(filter->src_macaddr,
-- 
1.8.3.1