From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7DF9BA0487 for ; Mon, 1 Jul 2019 17:45:10 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 50D0F1B9ED; Mon, 1 Jul 2019 17:45:10 +0200 (CEST) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id B2AF01B9D2 for ; Mon, 1 Jul 2019 17:45:08 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE2 (envelope-from dekelp@mellanox.com) with ESMTPS (AES256-SHA encrypted); 1 Jul 2019 18:45:05 +0300 Received: from mtl-vdi-280.wap.labs.mlnx. (mtl-vdi-280.wap.labs.mlnx [10.128.130.87]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id x61FieEp028876; Mon, 1 Jul 2019 18:45:05 +0300 From: Dekel Peled To: adrien.mazarguil@6wind.com, wenzhuo.lu@intel.com, jingjing.wu@intel.com, bernard.iremonger@intel.com, yskoh@mellanox.com, shahafs@mellanox.com, viacheslavo@mellanox.com, arybchenko@solarflare.com Cc: dev@dpdk.org, orika@mellanox.com Date: Mon, 1 Jul 2019 18:43:09 +0300 Message-Id: <359385afd8826483cd8b7af2c8a5ea45d4d5a9b2.1561994563.git.dekelp@mellanox.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: References: <1553177917-43297-1-git-send-email-dekelp@mellanox.com> Subject: [dpdk-dev] [PATCH v9 1/3] ethdev: add actions to modify TCP header fields X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add actions: - INC_TCP_SEQ - Increase sequence number in the outermost TCP header. - DEC_TCP_SEQ - Decrease sequence number in the outermost TCP header. - INC_TCP_ACK - Increase acknowledgment number in the outermost TCP header. - DEC_TCP_ACK - Decrease acknowledgment number in the outermost TCP header. Original work by Xiaoyu Min. This patch uses the new approach introduced by [1], using a simple integer instead of using an action-specific structure for each of the new actions. [1] http://patches.dpdk.org/patch/55773/ Signed-off-by: Dekel Peled Acked-by: Andrew Rybchenko --- doc/guides/prog_guide/rte_flow.rst | 32 ++++++++++++++++++++++++++++++++ lib/librte_ethdev/rte_flow.c | 4 ++++ lib/librte_ethdev/rte_flow.h | 32 ++++++++++++++++++++++++++++++++ 3 files changed, 68 insertions(+) diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst index 67deed7..bbe32db 100644 --- a/doc/guides/prog_guide/rte_flow.rst +++ b/doc/guides/prog_guide/rte_flow.rst @@ -2346,6 +2346,38 @@ Otherwise, RTE_FLOW_ERROR_TYPE_ACTION error will be returned. | ``mac_addr`` | MAC address | +--------------+---------------+ +Action: ``INC_TCP_SEQ`` +^^^^^^^^^^^^^^^^^^^^^^^ + +Increase sequence number in the outermost TCP header. +Value to increase TCP sequence number by is a big-endian 32 bit integer. + +Using this action on non-matching traffic will result in undefined behavior. + +Action: ``DEC_TCP_SEQ`` +^^^^^^^^^^^^^^^^^^^^^^^ + +Decrease sequence number in the outermost TCP header. +Value to decrease TCP sequence number by is a big-endian 32 bit integer. + +Using this action on non-matching traffic will result in undefined behavior. + +Action: ``INC_TCP_ACK`` +^^^^^^^^^^^^^^^^^^^^^^^ + +Increase acknowledgment number in the outermost TCP header. +Value to increase TCP acknowledgment number by is a big-endian 32 bit integer. + +Using this action on non-matching traffic will result in undefined behavior. + +Action: ``DEC_TCP_ACK`` +^^^^^^^^^^^^^^^^^^^^^^^ + +Decrease acknowledgment number in the outermost TCP header. +Value to decrease TCP acknowledgment number by is a big-endian 32 bit integer. + +Using this action on non-matching traffic will result in undefined behavior. + Negative types ~~~~~~~~~~~~~~ diff --git a/lib/librte_ethdev/rte_flow.c b/lib/librte_ethdev/rte_flow.c index 3277be1..0c9f6c6 100644 --- a/lib/librte_ethdev/rte_flow.c +++ b/lib/librte_ethdev/rte_flow.c @@ -143,6 +143,10 @@ struct rte_flow_desc_data { MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)), MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)), MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)), + MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)), + MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)), + MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)), + MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)), }; static int diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h index 2232856..28445f4 100644 --- a/lib/librte_ethdev/rte_flow.h +++ b/lib/librte_ethdev/rte_flow.h @@ -1651,6 +1651,38 @@ enum rte_flow_action_type { * See struct rte_flow_action_set_mac. */ RTE_FLOW_ACTION_TYPE_SET_MAC_DST, + + /** + * Increase sequence number in the outermost TCP header. + * + * Using this action on non-matching traffic will result in + * undefined behavior. + */ + RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ, + + /** + * Decrease sequence number in the outermost TCP header. + * + * Using this action on non-matching traffic will result in + * undefined behavior. + */ + RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ, + + /** + * Increase acknowledgment number in the outermost TCP header. + * + * Using this action on non-matching traffic will result in + * undefined behavior. + */ + RTE_FLOW_ACTION_TYPE_INC_TCP_ACK, + + /** + * Decrease acknowledgment number in the outermost TCP header. + * + * Using this action on non-matching traffic will result in + * undefined behavior. + */ + RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK, }; /** -- 1.8.3.1