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 4B782A2EDB for ; Sun, 29 Sep 2019 07:11:34 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 22E4D34F0; Sun, 29 Sep 2019 07:11:26 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id B6AD22E81 for ; Sun, 29 Sep 2019 07:11:18 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Sep 2019 22:11:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,562,1559545200"; d="scan'208";a="220278683" Received: from npg-dpdk-cvl-simeisu-118d193.sh.intel.com ([10.67.110.183]) by fmsmga002.fm.intel.com with ESMTP; 28 Sep 2019 22:11:17 -0700 From: Simei Su To: qi.z.zhang@intel.com, jingjing.wu@intel.com, xiaolong.ye@intel.com, ferruh.yigit@intel.com Cc: dev@dpdk.org, simei.su@intel.com Date: Sun, 29 Sep 2019 13:11:09 +0800 Message-Id: <1569733870-333768-3-git-send-email-simei.su@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1569733870-333768-1-git-send-email-simei.su@intel.com> References: <1569637743-174186-1-git-send-email-simei.su@intel.com> <1569733870-333768-1-git-send-email-simei.su@intel.com> Subject: [dpdk-dev] [PATCH v6 2/3] ethdev: extend RSS offload types 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" This patch reserves several bits as input set selection from the high end of the 64 bits. It is combined with exisiting ETH_RSS_* to represent rss types. for example: ETH_RSS_IPV4 | ETH_RSS_L3_SRC_ONLY: hash on src ip address only ETH_RSS_IPV4_UDP | ETH_RSS_L4_DST_ONLY: hash on src/dst IP and dst UDP port Signed-off-by: Simei Su --- lib/librte_ethdev/rte_ethdev.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index 7722f70..e68bca8 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -505,6 +505,19 @@ struct rte_eth_rss_conf { #define ETH_RSS_GENEVE (1ULL << 20) #define ETH_RSS_NVGRE (1ULL << 21) +/* + * We use the following macros to combine with above ETH_RSS_* for + * more specific input set selection. These bits are defined starting + * from the high end of the 64 bits. + * Note: If we use above ETH_RSS_* without SRC/DST_ONLY, it represents + * both SRC and DST are taken into account. SRC_ONLY and DST_ONLY of + * the same level can't be used simultaneously. + */ +#define ETH_RSS_L3_SRC_ONLY (1ULL << 63) +#define ETH_RSS_L3_DST_ONLY (1ULL << 62) +#define ETH_RSS_L4_SRC_ONLY (1ULL << 61) +#define ETH_RSS_L4_DST_ONLY (1ULL << 60) + #define ETH_RSS_IP ( \ ETH_RSS_IPV4 | \ ETH_RSS_FRAG_IPV4 | \ -- 1.8.3.1