ethdev: add AH key field to flow API

[dpdk.git] / lib / librte_ethdev / rte_flow.h

diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
index 350566c..bcfc06c 100644 (file)
--- a/lib/librte_ethdev/rte_flow.h
+++ b/lib/librte_ethdev/rte_flow.h
@@ -484,6 +484,13 @@ enum rte_flow_item_type {
         *
         */
        RTE_FLOW_ITEM_TYPE_IGMP,
+
+       /**
+        * Matches IP Authentication Header (AH).
+        * See struct rte_flow_item_ah.
+        *
+        */
+       RTE_FLOW_ITEM_TYPE_AH,
 };
 
 /**
@@ -1376,6 +1383,30 @@ static const struct rte_flow_item_igmp rte_flow_item_igmp_mask = {
 };
 #endif
 
+/**
+ * @warning
+ * @b EXPERIMENTAL: this structure may change without prior notice
+ *
+ * RTE_FLOW_ITEM_TYPE_AH
+ *
+ * Match IP Authentication Header (AH), RFC 4302
+ *
+ */
+struct rte_flow_item_ah {
+       uint32_t next_hdr:8;
+       uint32_t payload_len:8;
+       uint32_t reserved:16;
+       uint32_t spi;
+       uint32_t seq_num;
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_AH. */
+#ifndef __cplusplus
+static const struct rte_flow_item_ah rte_flow_item_ah_mask = {
+       .spi = 0xffffffff,
+};
+#endif
+
 /**
  * Matching pattern item definition.
  *