[dpdk-dev] [PATCH v4 04/12] net: add ESP header to generic flow steering

Aviad Yehezkel aviadye at dev.mellanox.co.il
Sun Oct 15 14:48:33 CEST 2017



On 10/15/2017 1:17 AM, Akhil Goyal wrote:
> From: Boris Pismenny <borisp at mellanox.com>
>
> 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>
> ---
>   doc/api/doxy-api-index.md   |  3 ++-
>   lib/librte_ether/rte_flow.h | 26 ++++++++++++++++++++
>   lib/librte_net/Makefile     |  2 +-
>   lib/librte_net/rte_esp.h    | 60 +++++++++++++++++++++++++++++++++++++++++++++
>   4 files changed, 89 insertions(+), 2 deletions(-)
>   create mode 100644 lib/librte_net/rte_esp.h
>
> diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
> index 7c680dc..d59893b 100644
> --- a/doc/api/doxy-api-index.md
> +++ b/doc/api/doxy-api-index.md
> @@ -111,7 +111,8 @@ The public API headers are grouped by topics:
>     [LPM IPv6 route]     (@ref rte_lpm6.h),
>     [ACL]                (@ref rte_acl.h),
>     [EFD]                (@ref rte_efd.h),
> -  [member]             (@ref rte_member.h)
> +  [member]             (@ref rte_member.h),
> +  [ESP]                (@ref rte_esp.h)
>   
>   - **QoS**:
>     [metering]           (@ref rte_meter.h),
> diff --git a/lib/librte_ether/rte_flow.h b/lib/librte_ether/rte_flow.h
> index a0ffb71..7c89089 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,
>   };
>   
>   /**
> @@ -787,6 +795,24 @@ 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.
>    *
>    * 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
> diff --git a/lib/librte_net/rte_esp.h b/lib/librte_net/rte_esp.h
> new file mode 100644
> index 0000000..e228af0
> --- /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_ */

Tested-by: Aviad Yehezkel <aviadye at mellanox.com>



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