From patchwork Thu Nov 6 14:25:27 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Helin" X-Patchwork-Id: 1168 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 4383E7F34; Thu, 6 Nov 2014 15:16:45 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 0A5487EC4 for ; Thu, 6 Nov 2014 15:16:42 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 06 Nov 2014 06:24:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,326,1413270000"; d="scan'208";a="632650188" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 06 Nov 2014 06:25:44 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id sA6EPg4L003494; Thu, 6 Nov 2014 22:25:42 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id sA6EPeDC020780; Thu, 6 Nov 2014 22:25:42 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id sA6EPeII020776; Thu, 6 Nov 2014 22:25:40 +0800 From: Helin Zhang To: dev@dpdk.org Date: Thu, 6 Nov 2014 22:25:27 +0800 Message-Id: <1415283932-20724-4-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1415283932-20724-1-git-send-email-helin.zhang@intel.com> References: <1414746215-17327-1-git-send-email-helin.zhang@intel.com> <1415283932-20724-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v5 3/8] i40e: support of setting hash lookup table size X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add support of setting hash lookup table size according to the hardawre capability. Signed-off-by: Helin Zhang --- lib/librte_ether/rte_ethdev.h | 9 ++++++++- lib/librte_pmd_i40e/i40e_ethdev.c | 14 +++++++++++++- lib/librte_pmd_i40e/i40e_ethdev.h | 1 + 3 files changed, 22 insertions(+), 2 deletions(-) v5 changes: * Reworked the annotations of macros of RETA sizes. diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 7e4c998..93df7b1 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -443,9 +443,16 @@ struct rte_eth_rss_conf { ETH_RSS_FRAG_IPV6 | \ ETH_RSS_L2_PAYLOAD) -/* Definitions used for redirection table entry size */ +/* + * Definitions used for redirection table entry size. + * Some RSS RETA sizes may not be supported by some drivers, check the + * documentation or the description of relevant functions for more details. + */ #define ETH_RSS_RETA_NUM_ENTRIES 128 #define ETH_RSS_RETA_MAX_QUEUE 16 +#define ETH_RSS_RETA_SIZE_64 64 +#define ETH_RSS_RETA_SIZE_128 128 +#define ETH_RSS_RETA_SIZE_512 512 /* Definitions used for VMDQ and DCB functionality */ #define ETH_VMDQ_MAX_VLAN_FILTERS 64 /**< Maximum nb. of VMDQ vlan filters. */ diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c index 4570795..c6b52be 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.c +++ b/lib/librte_pmd_i40e/i40e_ethdev.c @@ -3195,7 +3195,19 @@ i40e_pf_setup(struct i40e_pf *pf) /* Configure filter control */ memset(&settings, 0, sizeof(settings)); - settings.hash_lut_size = I40E_HASH_LUT_SIZE_128; + if (hw->func_caps.rss_table_size == ETH_RSS_RETA_SIZE_128) + settings.hash_lut_size = I40E_HASH_LUT_SIZE_128; + else if (hw->func_caps.rss_table_size == ETH_RSS_RETA_SIZE_512) + settings.hash_lut_size = I40E_HASH_LUT_SIZE_512; + else { + PMD_DRV_LOG(ERR, "Hash lookup table size (%u) not supported\n", + hw->func_caps.rss_table_size); + return I40E_ERR_PARAM; + } + PMD_DRV_LOG(INFO, "Hardware capability of hash lookup table " + "size: %u\n", hw->func_caps.rss_table_size); + pf->hash_lut_size = hw->func_caps.rss_table_size; + /* Enable ethtype and macvlan filters */ settings.enable_ethtype = TRUE; settings.enable_macvlan = TRUE; diff --git a/lib/librte_pmd_i40e/i40e_ethdev.h b/lib/librte_pmd_i40e/i40e_ethdev.h index afa14aa..28c0754 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.h +++ b/lib/librte_pmd_i40e/i40e_ethdev.h @@ -270,6 +270,7 @@ struct i40e_pf { uint16_t vmdq_nb_qps; /* The number of queue pairs of VMDq */ uint16_t vf_nb_qps; /* The number of queue pairs of VF */ uint16_t fdir_nb_qps; /* The number of queue pairs of Flow Director */ + uint16_t hash_lut_size; /* The size of hash lookup table */ /* store VXLAN UDP ports */ uint16_t vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];