From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 757ACB3DC for ; Thu, 25 Sep 2014 10:34:38 +0200 (CEST) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by fmsmga103.fm.intel.com with ESMTP; 25 Sep 2014 01:31:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,595,1406617200"; d="scan'208";a="479902970" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by azsmga001.ch.intel.com with ESMTP; 25 Sep 2014 01:40:53 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id s8P8epfa002324; Thu, 25 Sep 2014 16:40:51 +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 s8P8enCQ000845; Thu, 25 Sep 2014 16:40:51 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id s8P8engs000840; Thu, 25 Sep 2014 16:40:49 +0800 From: Helin Zhang To: dev@dpdk.org Date: Thu, 25 Sep 2014 16:40:23 +0800 Message-Id: <1411634427-746-10-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1411634427-746-1-git-send-email-helin.zhang@intel.com> References: <1411634427-746-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v2 09/13] 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: , X-List-Received-Date: Thu, 25 Sep 2014 08:34:39 -0000 Add support of setting hash lookup table size according to the hardawre capability. Signed-off-by: Helin Zhang Reviewed-by: Jijiang Liu Reviewed-by: Cunming Liang Reviewed-by: Jingjing Wu --- lib/librte_pmd_i40e/i40e_ethdev.c | 14 +++++++++++++- lib/librte_pmd_i40e/i40e_ethdev.h | 1 + 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c index a00d6ca..c4a4708 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.c +++ b/lib/librte_pmd_i40e/i40e_ethdev.c @@ -2928,7 +2928,19 @@ 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 64deef2..a1a2e75 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.h +++ b/lib/librte_pmd_i40e/i40e_ethdev.h @@ -216,6 +216,7 @@ 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 */ }; enum pending_msg { -- 1.8.1.4