From patchwork Tue Aug 13 22:22:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 13762626 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 EBF311AB52C for ; Tue, 13 Aug 2024 22:22:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723587781; cv=none; b=WtiBBszWk5GmxWkJAeakB4IWR+l32G7tzb4MA+/R4EBRoToVl0bRBgzo37QPlaZ4k81CMz42lnrUxRjR3cRvbmlyzySVht1D7YbVcbHSxr/TP2drubH7d0kaKkq2dCF6INk4WTZ34bGYO1SBQI+QVT//1Dsra+sVNh4pkVZkjnQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723587781; c=relaxed/simple; bh=GmJ7q9kXA6KefAJkZ3kjWEVL7/foG+4VwOE3lEruv1A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TJ3Cp/+VjyyVglxt6ZF1Qun4pFkj126T7XpXhJlbEjIALRcP9tB7noKpKrejcig3x+VstCayVNHuSg0vp4lU9tB5//RagtRGEO5pB6OFXADbFBWvobnjOe6otRggXJePGSuzXKKqQXBDVeX7R2/o67rGjufQMo39eU+9I2bziTI= 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=PYRLou0d; arc=none smtp.client-ip=192.198.163.8 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="PYRLou0d" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723587780; x=1755123780; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GmJ7q9kXA6KefAJkZ3kjWEVL7/foG+4VwOE3lEruv1A=; b=PYRLou0dz92xuxeCDh+4+bfWXnyYsB507NRs9d5JQEQE8eKEq2ia0HV3 aMafwyeX8h/f0mVc6oVTbW8cfrH1/obMn/YQt/uAy3XnCncCAmUaR+6pT KDgC2vPwascPElV/0o4yjQEAiusIReHG8XypvMm1SxT+Kf453ZW1+k1eX LFF1qFRrd+VjObZHLcuV+sAlDo/1KcRp1/PUgXmaczxKVYqFAUpQDBfjb f6flM2ra3lCYALwvnHHC9uND6cN+f2mg6DIqQrXX+Jp2VdMQRU0LT2Nyn CQhIXjP1IyWAoVxW5EIb93NjExIDHBDrWAJJk7achR6+GLixorPM/iTrY g==; X-CSE-ConnectionGUID: d9YN8slVTuub8Zasukg0cA== X-CSE-MsgGUID: XaxUqzDqS+qqSmeEBOfEtQ== X-IronPort-AV: E=McAfee;i="6700,10204,11163"; a="39287101" X-IronPort-AV: E=Sophos;i="6.09,287,1716274800"; d="scan'208";a="39287101" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2024 15:22:55 -0700 X-CSE-ConnectionGUID: +aBQQLefS9a1zYx7sCxzqA== X-CSE-MsgGUID: hRem7M/mSGGU1EzzGadyTQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,287,1716274800"; d="scan'208";a="59381068" Received: from anguy11-upstream.jf.intel.com ([10.166.9.133]) by orviesa007.jf.intel.com with ESMTP; 13 Aug 2024 15:22:54 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, netdev@vger.kernel.org Cc: Junfeng Guo , anthony.l.nguyen@intel.com, ahmed.zaki@intel.com, madhu.chittim@intel.com, horms@kernel.org, hkelam@marvell.com, Marcin Szycik , Qi Zhang , Rafal Romanowski Subject: [PATCH net-next v2 06/13] ice: support turning on/off the parser's double vlan mode Date: Tue, 13 Aug 2024 15:22:41 -0700 Message-ID: <20240813222249.3708070-7-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240813222249.3708070-1-anthony.l.nguyen@intel.com> References: <20240813222249.3708070-1-anthony.l.nguyen@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 Signed-off-by: Tony Nguyen --- 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 e40dc31a5601..f032b907ccd2 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.c +++ b/drivers/net/ethernet/intel/ice/ice_parser.c @@ -597,6 +597,32 @@ 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 ***/ @@ -1151,6 +1177,7 @@ 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); } @@ -1340,12 +1367,21 @@ 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); } /** @@ -2132,3 +2168,39 @@ 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);