From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 9AA5DA0471 for ; Wed, 19 Jun 2019 17:43:51 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E7E591C52F; Wed, 19 Jun 2019 17:21:14 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id AF9BF1C491 for ; Wed, 19 Jun 2019 17:20:46 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jun 2019 08:20:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,392,1557212400"; d="scan'208";a="165050342" Received: from lrong-srv-03.sh.intel.com ([10.67.119.177]) by orsmga006.jf.intel.com with ESMTP; 19 Jun 2019 08:20:45 -0700 From: Leyi Rong To: qi.z.zhang@intel.com Cc: dev@dpdk.org, Leyi Rong , Bruce Allan , Paul M Stillwell Jr Date: Wed, 19 Jun 2019 23:18:03 +0800 Message-Id: <20190619151846.113820-27-leyi.rong@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190619151846.113820-1-leyi.rong@intel.com> References: <20190611155221.2703-1-leyi.rong@intel.com> <20190619151846.113820-1-leyi.rong@intel.com> Subject: [dpdk-dev] [PATCH v3 26/69] net/ice/base: set the max number of TCs per port to 4 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" On devices with more than 4 ports, the maximum number of TCs per port is limited to 4. Signed-off-by: Bruce Allan Signed-off-by: Paul M Stillwell Jr Signed-off-by: Leyi Rong --- drivers/net/ice/base/ice_common.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c index 461856827..81eab7ecc 100644 --- a/drivers/net/ice/base/ice_common.c +++ b/drivers/net/ice/base/ice_common.c @@ -2092,6 +2092,18 @@ ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count, break; } } + + /* Re-calculate capabilities that are dependent on the number of + * physical ports; i.e. some features are not supported or function + * differently on devices with more than 4 ports. + */ + if (caps && (ice_hweight32(caps->valid_functions) > 4)) { + /* Max 4 TCs per port */ + caps->maxtc = 4; + ice_debug(hw, ICE_DBG_INIT, + "%s: TC max = %d (based on #ports)\n", prefix, + caps->maxtc); + } } /** -- 2.17.1