[dpdk-dev] [PATCH 06/10] net/bnxt: ignore ipv4 tos mask

[Somnath Kotur]

From: Kishore Padmanabha <kishore.padmanabha at broadcom.com>

This is a work around for the OVS setting offload rules that
are passing ipv4 tos mask as wild card and currently we do not
support.

Signed-off-by: Kishore Padmanabha <kishore.padmanabha at broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur at broadcom.com>
---
 drivers/net/bnxt/tf_ulp/ulp_rte_parser.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
index b943465..63f4c17 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
@@ -704,9 +704,19 @@ ulp_rte_ipv4_hdr_handler(const struct rte_flow_item *item,
 		ulp_rte_prsr_mask_copy(params, &idx,
 				       &ipv4_mask->hdr.version_ihl,
 				       sizeof(ipv4_mask->hdr.version_ihl));
+#ifdef ULP_DONT_IGNORE_TOS
 		ulp_rte_prsr_mask_copy(params, &idx,
 				       &ipv4_mask->hdr.type_of_service,
 				       sizeof(ipv4_mask->hdr.type_of_service));
+#else
+		/*
+		 * The tos field is ignored since OVS is setting it as wild card
+		 * match and it is not supported. This is a work around and
+		 * shall be addressed in the future.
+		 */
+		idx += 1;
+#endif
+
 		ulp_rte_prsr_mask_copy(params, &idx,
 				       &ipv4_mask->hdr.total_length,
 				       sizeof(ipv4_mask->hdr.total_length));
-- 
2.7.4