[dpdk-dev] [RFC 2/7] ethdev: Add ESP header to generic flow steering

[Boris Pismenny]

The ESP header is required for IPsec crypto actions.

Signed-off-by: Boris Pismenny <borisp at mellanox.com>
Signed-off-by: Aviad Yehezkel <aviadye at mellanox.com>
---
 lib/librte_ether/rte_flow.h | 24 ++++++++++++++++++++++++
 lib/librte_net/Makefile     |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
index c47edbc..4b78b66 100644
--- a/lib/librte_ether/rte_flow.h
+++ b/lib/librte_ether/rte_flow.h
@@ -50,6 +50,7 @@
 #include <rte_tcp.h>
 #include <rte_udp.h>
 #include <rte_byteorder.h>
+#include <rte_esp.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -297,6 +298,13 @@ enum rte_flow_item_type {
 	 * See struct rte_flow_item_gre.
 	 */
 	RTE_FLOW_ITEM_TYPE_GRE,
+
+	/**
+	 * Matches a ESP header.
+	 *
+	 * See struct rte_flow_item_esp.
+	 */
+	RTE_FLOW_ITEM_TYPE_ESP,
 };
 
 /**
@@ -701,6 +709,22 @@ struct rte_flow_item_gre {
 #endif
 
 /**
+ * RTE_FLOW_ITEM_TYPE_ESP
+ *
+ * Matches an ESP header.
+ */
+struct rte_flow_item_esp {
+	struct esp_hdr hdr; /**< ESP header definition. */
+};
+
+/** Default mask for RTE_FLOW_ITEM_TYPE_ESP. */
+static const struct rte_flow_item_esp rte_flow_item_esp_mask = {
+	.hdr = {
+		.spi = 0xffffffff,
+	},
+};
+
+/**
  * Matching pattern item definition.
  *
  * A pattern is formed by stacking items starting from the lowest protocol
diff --git a/lib/librte_net/Makefile b/lib/librte_net/Makefile
index 56727c4..0f87b23 100644
--- a/lib/librte_net/Makefile
+++ b/lib/librte_net/Makefile
@@ -42,7 +42,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_NET) := rte_net.c
 SRCS-$(CONFIG_RTE_LIBRTE_NET) += rte_net_crc.c
 
 # install includes
-SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include := rte_ip.h rte_tcp.h rte_udp.h
+SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include := rte_ip.h rte_tcp.h rte_udp.h rte_esp.h
 SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_sctp.h rte_icmp.h rte_arp.h
 SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_ether.h rte_gre.h rte_net.h
 SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_net_crc.h
-- 
1.8.3.1