From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 3D22F7E9E for ; Wed, 22 Oct 2014 13:45:24 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP; 22 Oct 2014 04:53:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,862,1389772800"; d="scan'208";a="404081859" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 22 Oct 2014 04:46:04 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id s9MBrfxg020585; Wed, 22 Oct 2014 19:53:41 +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 s9MBrdId024665; Wed, 22 Oct 2014 19:53:41 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id s9MBrd5E024661; Wed, 22 Oct 2014 19:53:39 +0800 From: Helin Zhang To: dev@dpdk.org Date: Wed, 22 Oct 2014 19:53:25 +0800 Message-Id: <1413978810-24610-4-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1413978810-24610-1-git-send-email-helin.zhang@intel.com> References: <1411634427-746-1-git-send-email-helin.zhang@intel.com> <1413978810-24610-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v3 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: , X-List-Received-Date: Wed, 22 Oct 2014 11:45:24 -0000 Add support of setting hash lookup table size according to the hardawre capability. Signed-off-by: Helin Zhang --- lib/librte_ether/rte_ethdev.h | 3 +++ lib/librte_pmd_i40e/i40e_ethdev.c | 14 +++++++++++++- lib/librte_pmd_i40e/i40e_ethdev.h | 1 + 3 files changed, 17 insertions(+), 1 deletion(-) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index b69a6af..7db08c2 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -430,6 +430,9 @@ struct rte_eth_rss_conf { /* Definitions used for redirection table entry size */ #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 3b75f0f..ef24175 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.c +++ b/lib/librte_pmd_i40e/i40e_ethdev.c @@ -2943,7 +2943,19 @@ 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 1d42cd2..22b693f 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.h +++ b/lib/librte_pmd_i40e/i40e_ethdev.h @@ -246,6 +246,7 @@ 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