From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EB46646CFD; Mon, 11 Aug 2025 15:43:12 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7929F40DDE; Mon, 11 Aug 2025 15:43:08 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by mails.dpdk.org (Postfix) with ESMTP id 85F7D402AC for ; Mon, 11 Aug 2025 15:43:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754919787; x=1786455787; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qArfouuv9YAxGcBlATV0rk8feQtjvk1sewC2MxK1Xck=; b=fpPtHtxlNjFHIAJ39uDp0F6qbVWpJVWdd+Ra9rUK4BouyioYtnTpotQo q64aB7ghXfYNqM2hI6JC9aLJyaXlxr3Z41UduujowvOdy2ZHXDzVx6fgQ L8f/EoFB5QeRUj6aHyKzph6SLt2kV4qF/XtB1zQh83c/Xnw6YUryaSlew s6JrpPHtXbvxCypIip3QYNiV2wF6Mh+x2IU4J5YzDfTGUvmtBu/Vnyw7v ReomQboAgapJ1yRjWYRbN67MzI5189o4hgiJol/cTpvGNnecp3xqH/obu 1yb7f2LeOHSXsumyB3og2SO/65PH0hIAlfK6OzP4JzCT8+libTndGyuPm g==; X-CSE-ConnectionGUID: ubZ0ioTQQ6q9qK/PmGvweA== X-CSE-MsgGUID: 1OXXfGdFQ62BaYQej9Gt6Q== X-IronPort-AV: E=McAfee;i="6800,10657,11518"; a="57041881" X-IronPort-AV: E=Sophos;i="6.17,278,1747724400"; d="scan'208";a="57041881" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2025 06:43:06 -0700 X-CSE-ConnectionGUID: /sW3FxO6Tf+VSH4O0xm17w== X-CSE-MsgGUID: A1Qqw3h+Sc6rHwTZiFn4xQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,278,1747724400"; d="scan'208";a="171169009" Received: from silpixa00401176.ir.intel.com (HELO silpixa00401176.ger.corp.intel.com) ([10.237.222.172]) by fmviesa004.fm.intel.com with ESMTP; 11 Aug 2025 06:43:05 -0700 From: Vladimir Medvedkin To: dev@dpdk.org Cc: bruce.richardson@intel.com, anatoly.burakov@intel.com Subject: [PATCH v2 1/6] net/ice/base: add utility functions Date: Mon, 11 Aug 2025 13:42:56 +0000 Message-ID: <20250811134301.459523-2-vladimir.medvedkin@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250811134301.459523-1-vladimir.medvedkin@intel.com> References: <20250807122238.334177-1-vladimir.medvedkin@intel.com> <20250811134301.459523-1-vladimir.medvedkin@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add the following function related to DCB: * Get number of Congestion Domains per port * Resolve Traffic Class(TC) by 802.1p VLAN User Priority(UP) * Get absolute index of the Congestion Domain by the TC Signed-off-by: Vladimir Medvedkin --- drivers/net/intel/ice/base/ice_common.c | 28 +++++++++++++++++++++++++ drivers/net/intel/ice/base/ice_common.h | 8 +++++++ 2 files changed, 36 insertions(+) diff --git a/drivers/net/intel/ice/base/ice_common.c b/drivers/net/intel/ice/base/ice_common.c index dfc2fd69e7..8bca256b34 100644 --- a/drivers/net/intel/ice/base/ice_common.c +++ b/drivers/net/intel/ice/base/ice_common.c @@ -6579,3 +6579,31 @@ bool ice_is_fw_auto_drop_supported(struct ice_hw *hw) return true; return false; } + +enum ice_cgd_per_port +ice_get_port_max_cgd(struct ice_hw *hw) +{ +#define ICE_8_PORTS_LINK_TOPO 0x2 + u32 link_topo = LE32_TO_CPU(rd32(hw, GLGEN_MAC_LINK_TOPO)) & + GLGEN_MAC_LINK_TOPO_LINK_TOPO_M; + + return (link_topo == ICE_8_PORTS_LINK_TOPO) ? ICE_4_CGD_PER_PORT : ICE_8_CGD_PER_PORT; +} + +u8 +ice_get_tc_by_up(struct ice_hw *hw, u8 up) +{ + struct ice_port_info *port_info = hw->port_info; + struct ice_qos_cfg *qos_cfg = &port_info->qos_cfg; + struct ice_dcbx_cfg *local_dcb_conf = &qos_cfg->local_dcbx_cfg; + + up &= (ICE_MAX_TRAFFIC_CLASS - 1); + + return local_dcb_conf->etscfg.prio_table[up]; +} + +int +ice_get_cgd_idx(struct ice_hw *hw, u8 tc) +{ + return hw->port_info->lport * ice_get_port_max_cgd(hw) + tc; +} diff --git a/drivers/net/intel/ice/base/ice_common.h b/drivers/net/intel/ice/base/ice_common.h index f7e7ff5aaf..2d4f4871e6 100644 --- a/drivers/net/intel/ice/base/ice_common.h +++ b/drivers/net/intel/ice/base/ice_common.h @@ -25,6 +25,11 @@ enum ice_fw_modes { ICE_FW_MODE_ROLLBACK }; +enum ice_cgd_per_port { + ICE_4_CGD_PER_PORT = 4, + ICE_8_CGD_PER_PORT = 8 +}; + int ice_init_fltr_mgmt_struct(struct ice_hw *hw); void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw); void ice_set_umac_shared(struct ice_hw *hw); @@ -335,4 +340,7 @@ ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr, bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw); /* AQ API version for FW auto drop reports */ bool ice_is_fw_auto_drop_supported(struct ice_hw *hw); +enum ice_cgd_per_port ice_get_port_max_cgd(struct ice_hw *hw); +u8 ice_get_tc_by_up(struct ice_hw *hw, u8 up); +int ice_get_cgd_idx(struct ice_hw *hw, u8 tc); #endif /* _ICE_COMMON_H_ */ -- 2.43.0