From: Boris Pismenny <borisp@mellanox.com>
Date: Wed, 25 Oct 2017 15:07:19 +0000 (+0530)
Subject: net: add ESP header to generic flow steering
X-Git-Tag: spdx-start~1182
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d4b684f7197a;p=dpdk.git

net: add ESP header to generic flow steering

The ESP header is required for IPsec crypto actions.

Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
---

diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
index 0c4dbb6fae..59e1b158bf 100644
--- a/doc/api/doxy-api-index.md
+++ b/doc/api/doxy-api-index.md
@@ -100,6 +100,7 @@ The public API headers are grouped by topics:
   [ethernet]           (@ref rte_ether.h),
   [ARP]                (@ref rte_arp.h),
   [ICMP]               (@ref rte_icmp.h),
+  [ESP]                (@ref rte_esp.h),
   [IP]                 (@ref rte_ip.h),
   [SCTP]               (@ref rte_sctp.h),
   [TCP]                (@ref rte_tcp.h),
diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
index 062e3ac56c..bd8274dc2f 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" {
@@ -336,6 +337,13 @@ enum rte_flow_item_type {
 	 * See struct rte_flow_item_gtp.
 	 */
 	RTE_FLOW_ITEM_TYPE_GTPU,
+
+	/**
+	 * Matches a ESP header.
+	 *
+	 * See struct rte_flow_item_esp.
+	 */
+	RTE_FLOW_ITEM_TYPE_ESP,
 };
 
 /**
@@ -786,6 +794,24 @@ static const struct rte_flow_item_gtp rte_flow_item_gtp_mask = {
 };
 #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. */
+#ifndef __cplusplus
+static const struct rte_flow_item_esp rte_flow_item_esp_mask = {
+	.hdr = {
+		.spi = 0xffffffff,
+	},
+};
+#endif
+
 /**
  * Matching pattern item definition.
  *
diff --git a/lib/librte_net/Makefile b/lib/librte_net/Makefile
index cdaf0c7ffd..50c358e507 100644
--- a/lib/librte_net/Makefile
+++ b/lib/librte_net/Makefile
@@ -43,7 +43,7 @@ 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
diff --git a/lib/librte_net/rte_esp.h b/lib/librte_net/rte_esp.h
new file mode 100644
index 0000000000..e228af092d
--- /dev/null
+++ b/lib/librte_net/rte_esp.h
@@ -0,0 +1,60 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTE_ESP_H_
+#define _RTE_ESP_H_
+
+/**
+ * @file
+ *
+ * ESP-related defines
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * ESP Header
+ */
+struct esp_hdr {
+	uint32_t spi;  /**< Security Parameters Index */
+	uint32_t seq;  /**< packet sequence number */
+} __attribute__((__packed__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* RTE_ESP_H_ */