From patchwork Thu Jul 25 22:08:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmed Zaki X-Patchwork-Id: 13742178 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B657F13D531 for ; Thu, 25 Jul 2024 22:08:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721945330; cv=none; b=f6MZwTCLMez3Af4JUQnY+sc3vfctckmdDXCK5wNqUW70Bwoeha7hlzHCwWvlSMfwjkwsMm164crO6IH094gE6ujDU5xjOgMwjFKqToX6RenjSnUIyvV3RXS2gIMXriPDllkWynMJ8wrSJkmpB4ju9xbbBG8zxDaY+Lpe+q7lC/w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721945330; c=relaxed/simple; bh=f30SRQ/698QKXLF3IcCTA5uc5CHIcJjwjtKrPww0hdY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NekNvS5bTybTXYxVzcjV+lRZsK0eieOibHuskVXzdgvhNiOlQwaxDPA8Qrc1/MJnydWCZle72aearewxSykpGkzTHTkMGSoLkX5cZf6KseCQUG0KsiFBAdfv352SWaaSFVB80vvOe7LOl4BHZzyEHPhJQoAZ1qnF6iqEKP3E01E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IOB/PqsO; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IOB/PqsO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721945329; x=1753481329; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=f30SRQ/698QKXLF3IcCTA5uc5CHIcJjwjtKrPww0hdY=; b=IOB/PqsO3Dtj+/ihHEfQH3hdYJR++/Z0CnmZH382lqXaNxXjupa8/haw r/7lQVMFJSi5MnRplXZcfMej+d7YG6XWEo5WWaaaQbdBujDw6mk42iois WXUUmfQDA1jEZiEBDTW4+l/L6eg8dLBB38p7OzX3Cx6lBouGDZSg3b05I xW1fXf7eYml4Yxg6xONinU1C4R3sHMrwwLFZt7yrNtwOza66eR+S3P7il zJy8Fja4VwVg59JcdgWkV0B2e0VvWWxIcuuYj8qsoiX2gICvQqLO4SxXr DYsNVyWAQOk4HlopE+u9MLTRJtsYofYzdEfKCC+MflTHg2WbyWkPymQA+ g==; X-CSE-ConnectionGUID: YpG8wepBS1axlgPW4Wt+qg== X-CSE-MsgGUID: fWMIT7ouTLGPkFlnasakZQ== X-IronPort-AV: E=McAfee;i="6700,10204,11144"; a="19520523" X-IronPort-AV: E=Sophos;i="6.09,237,1716274800"; d="scan'208";a="19520523" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2024 15:08:49 -0700 X-CSE-ConnectionGUID: 7FPw0i6sQ5Ky7spHPCHR3w== X-CSE-MsgGUID: m14OhA4JTHGMU44s08gSdQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,237,1716274800"; d="scan'208";a="52956131" Received: from mjarzebo-mobl1.ger.corp.intel.com (HELO azaki-desk1.intel.com) ([10.245.246.33]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2024 15:08:44 -0700 From: Ahmed Zaki To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, anthony.l.nguyen@intel.com, horms@kernel.org, przemyslaw.kitszel@intel.com, hkelam@marvell.com, Junfeng Guo , Marcin Szycik , Ahmed Zaki , Rafal Romanowski Subject: [PATCH iwl-next v5 06/13] ice: support turning on/off the parser's double vlan mode Date: Thu, 25 Jul 2024 16:08:02 -0600 Message-ID: <20240725220810.12748-7-ahmed.zaki@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240725220810.12748-1-ahmed.zaki@intel.com> References: <20240725220810.12748-1-ahmed.zaki@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Junfeng Guo Add API ice_parser_dvm_set() to support turning on/off the parser's double vlan mode. Reviewed-by: Marcin Szycik Signed-off-by: Qi Zhang Signed-off-by: Junfeng Guo Co-developed-by: Ahmed Zaki Signed-off-by: Ahmed Zaki Tested-by: Rafal Romanowski Reviewed-by: Simon Horman --- drivers/net/ethernet/intel/ice/ice_parser.c | 78 ++++++++++++++++++++- drivers/net/ethernet/intel/ice/ice_parser.h | 18 +++++ 2 files changed, 93 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c index e90f2e4940de..650a94292cd0 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.c +++ b/drivers/net/ethernet/intel/ice/ice_parser.c @@ -598,6 +598,32 @@ static struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw) ice_metainit_parse_item, false); } +/** + * ice_bst_tcam_search - find a TCAM item with specific type + * @tcam_table: the TCAM table + * @lbl_table: the lbl table to search + * @type: the type we need to match against + * @start: start searching from this index + * + * Return: a pointer to the matching BOOST TCAM item or NULL. + */ +struct ice_bst_tcam_item * +ice_bst_tcam_search(struct ice_bst_tcam_item *tcam_table, + struct ice_lbl_item *lbl_table, + enum ice_lbl_type type, u16 *start) +{ + u16 i = *start; + + for (; i < ICE_BST_TCAM_TABLE_SIZE; i++) { + if (lbl_table[i].type == type) { + *start = i; + return &tcam_table[lbl_table[i].idx]; + } + } + + return NULL; +} + /*** ICE_SID_RXPARSER_CAM, ICE_SID_RXPARSER_PG_SPILL, * ICE_SID_RXPARSER_NOMATCH_CAM and ICE_SID_RXPARSER_NOMATCH_CAM * sections ***/ @@ -1152,6 +1178,7 @@ static void ice_lbl_dump(struct ice_hw *hw, struct ice_lbl_item *item) struct device *dev = ice_hw_to_dev(hw); dev_info(dev, "index = %u\n", item->idx); + dev_info(dev, "type = %u\n", item->type); dev_info(dev, "label = %s\n", item->label); } @@ -1341,12 +1368,21 @@ static struct ice_bst_tcam_item *ice_bst_tcam_table_get(struct ice_hw *hw) } static void ice_parse_lbl_item(struct ice_hw *hw, u16 idx, void *item, - void *data, int size) + void *data, int __maybe_unused size) { - memcpy(item, data, size); + struct ice_lbl_item *lbl_item = item; + struct ice_lbl_item *lbl_data = data; + + lbl_item->idx = lbl_data->idx; + memcpy(lbl_item->label, lbl_data->label, sizeof(lbl_item->label)); + + if (strstarts(lbl_item->label, ICE_LBL_BST_DVM)) + lbl_item->type = ICE_LBL_BST_TYPE_DVM; + else if (strstarts(lbl_item->label, ICE_LBL_BST_SVM)) + lbl_item->type = ICE_LBL_BST_TYPE_SVM; if (hw->debug_mask & ICE_DBG_PARSER) - ice_lbl_dump(hw, (struct ice_lbl_item *)item); + ice_lbl_dump(hw, lbl_item); } /** @@ -2133,3 +2169,39 @@ void ice_parser_result_dump(struct ice_hw *hw, struct ice_parser_result *rslt) dev_info(dev, "flags_fd = 0x%04x\n", rslt->flags_fd); dev_info(dev, "flags_rss = 0x%04x\n", rslt->flags_rss); } + +#define ICE_BT_VLD_KEY 0xFF +#define ICE_BT_INV_KEY 0xFE + +static void ice_bst_dvm_set(struct ice_parser *psr, enum ice_lbl_type type, + bool on) +{ + u16 i = 0; + + while (true) { + struct ice_bst_tcam_item *item; + u8 key; + + item = ice_bst_tcam_search(psr->bst_tcam_table, + psr->bst_lbl_table, + type, &i); + if (!item) + break; + + key = on ? ICE_BT_VLD_KEY : ICE_BT_INV_KEY; + item->key[ICE_BT_VM_OFF] = key; + item->key_inv[ICE_BT_VM_OFF] = key; + i++; + } +} + +/** + * ice_parser_dvm_set - configure double vlan mode for parser + * @psr: pointer to a parser instance + * @on: true to turn on; false to turn off + */ +void ice_parser_dvm_set(struct ice_parser *psr, bool on) +{ + ice_bst_dvm_set(psr, ICE_LBL_BST_TYPE_DVM, on); + ice_bst_dvm_set(psr, ICE_LBL_BST_TYPE_SVM, !on); +} diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h index ef08ccbe4874..92319c60b388 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.h +++ b/drivers/net/ethernet/intel/ice/ice_parser.h @@ -274,13 +274,29 @@ struct ice_bst_tcam_item { }; #define ICE_LBL_LEN 64 +#define ICE_LBL_BST_DVM "BOOST_MAC_VLAN_DVM" +#define ICE_LBL_BST_SVM "BOOST_MAC_VLAN_SVM" + +enum ice_lbl_type { + ICE_LBL_BST_TYPE_UNKNOWN, + ICE_LBL_BST_TYPE_DVM, + ICE_LBL_BST_TYPE_SVM, +}; + struct ice_lbl_item { u16 idx; char label[ICE_LBL_LEN]; + + /* must be at the end, not part of the DDP section */ + enum ice_lbl_type type; }; struct ice_bst_tcam_item * ice_bst_tcam_match(struct ice_bst_tcam_item *tcam_table, u8 *pat); +struct ice_bst_tcam_item * +ice_bst_tcam_search(struct ice_bst_tcam_item *tcam_table, + struct ice_lbl_item *lbl_table, + enum ice_lbl_type type, u16 *start); /*** ICE_SID_RXPARSER_MARKER_PTYPE section ***/ #define ICE_PTYPE_MK_TCAM_TABLE_SIZE 1024 @@ -429,6 +445,7 @@ struct ice_parser_proto_off { #define ICE_PARSER_PROTO_OFF_PAIR_SIZE 16 #define ICE_PARSER_FLAG_PSR_SIZE 8 +#define ICE_BT_VM_OFF 0 struct ice_parser_result { u16 ptype; /* 16 bits hardware PTYPE */ @@ -477,6 +494,7 @@ struct ice_parser { struct ice_parser *ice_parser_create(struct ice_hw *hw); void ice_parser_destroy(struct ice_parser *psr); +void ice_parser_dvm_set(struct ice_parser *psr, bool on); int ice_parser_run(struct ice_parser *psr, const u8 *pkt_buf, int pkt_len, struct ice_parser_result *rslt); void ice_parser_result_dump(struct ice_hw *hw, struct ice_parser_result *rslt);