net/sfc: support flow item TCP in transfer rules

[dpdk.git] / drivers / net / sfc / sfc_mae.h

diff --git a/drivers/net/sfc/sfc_mae.h b/drivers/net/sfc/sfc_mae.h
index 993a377..71046f2 100644 (file)
--- a/drivers/net/sfc/sfc_mae.h
+++ b/drivers/net/sfc/sfc_mae.h
@@ -123,10 +123,23 @@ struct sfc_mae_pattern_data {
        /**
         * The following two fields keep track of L3 "proto" mask and value.
         * The corresponding fields get filled in MAE match specification
-        * at the end of parsing.
+        * at the end of parsing. Also, the information is used by a
+        * post-check to enforce consistency requirements:
+        *
+        * - If a L3 item is followed by an item TCP, the former has
+        *   its "proto" set to either 0x06/0xff or 0x00/0x00.
         */
        uint8_t                         l3_next_proto_value;
        uint8_t                         l3_next_proto_mask;
+
+       /*
+        * L4 requirement for L3 item's "proto".
+        * This contains one of:
+        * - 0x06/0xff: TCP
+        * - 0x00/0x00: no L4 item
+        */
+       uint8_t                         l3_next_proto_restriction_value;
+       uint8_t                         l3_next_proto_restriction_mask;
 };
 
 struct sfc_mae_parse_ctx {