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Mon, 27 May 2024 18:58:56 +0000 (UTC) X-CSE-ConnectionGUID: nRZ/fUjTTbCKsDefCJ6RkA== X-CSE-MsgGUID: 4GDgYFi2TGy8U0Zyz52YkQ== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="13353936" X-IronPort-AV: E=Sophos;i="6.08,193,1712646000"; d="scan'208";a="13353936" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2024 11:58:56 -0700 X-CSE-ConnectionGUID: zmxtTMk+Q1+WyzctqiW+Ug== X-CSE-MsgGUID: VFjEGTVVQl+wa1HQq++JdA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,193,1712646000"; d="scan'208";a="34910033" Received: from rfrazer-mobl3.amr.corp.intel.com (HELO azaki-desk1.intel.com) ([10.125.110.208]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2024 11:58:53 -0700 From: Ahmed Zaki To: intel-wired-lan@lists.osuosl.org Date: Mon, 27 May 2024 12:58:04 -0600 Message-ID: <20240527185810.3077299-8-ahmed.zaki@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240527185810.3077299-1-ahmed.zaki@intel.com> References: <20240527185810.3077299-1-ahmed.zaki@intel.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716836337; x=1748372337; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=SbzW53qTtv0Fi6VWz7P7Y2FNMH6TL50QpmXf8/AHynk=; b=MUXGQm8YJo9hNIFhsSHtiY0BTQ4zTUCTkyHE6j0Itj78FTloU8PREKZB EyFmsCpRfUKt8xaHv+mfYEDmRd2rYOA7TV/o6c1KnmVINk4cuc/LAI4xb 9Dz4bplc7+VsxDe8RiliImNVfAv2gJl8ZOjXG/qXvYxK+HcYBEUYklXes tM2hPRM7BWLmS6fV0Ikr706dumIsm4nP38uyyS1WmX37EFCUrKHEBCK49 pHjQGOMmY9YQ0EsfDJcyaqwYOeYPPBtrg00Qd4M4wHj0EtnfRK90soV7j vz95e0a9IN3olLVQwAXxkpzk8x5D1Zz+badqJHn60nbcUEEg4Dk4MxTzf w==; X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=MUXGQm8Y Subject: [Intel-wired-lan] [PATCH iwl-next v2 07/13] ice: add UDP tunnels support to the parser X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, Ahmed Zaki , Marcin Szycik , anthony.l.nguyen@intel.com, jacob.e.keller@intel.com, Junfeng Guo Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" From: Junfeng Guo Add support for the vxlan, geneve, ecpri UDP tunnels through the following APIs: - ice_parser_vxlan_tunnel_set() - ice_parser_geneve_tunnel_set() - ice_parser_ecpri_tunnel_set() Reviewed-by: Marcin Szycik Signed-off-by: Qi Zhang Signed-off-by: Junfeng Guo Signed-off-by: Ahmed Zaki Tested-by: Rafal Romanowski --- drivers/net/ethernet/intel/ice/ice_parser.c | 92 +++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_parser.h | 13 +++ 2 files changed, 105 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c index c490bff94355..6a0d5f720af0 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.c +++ b/drivers/net/ethernet/intel/ice/ice_parser.c @@ -1373,6 +1373,12 @@ static void ice_parse_lbl_item(struct ice_hw *hw, u16 idx, void *item, 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; + else if (strstarts(lbl_item->label, ICE_LBL_TNL_VXLAN)) + lbl_item->type = ICE_LBL_BST_TYPE_VXLAN; + else if (strstarts(lbl_item->label, ICE_LBL_TNL_GENEVE)) + lbl_item->type = ICE_LBL_BST_TYPE_GENEVE; + else if (strstarts(lbl_item->label, ICE_LBL_TNL_UDP_ECPRI)) + lbl_item->type = ICE_LBL_BST_TYPE_UDP_ECPRI; if (hw->debug_mask & ICE_DBG_PARSER) ice_lbl_dump(hw, lbl_item); @@ -2174,3 +2180,89 @@ 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); } + +static int ice_tunnel_port_set(struct ice_parser *psr, enum ice_lbl_type type, + u16 udp_port, bool on) +{ + u8 *buf = (u8 *)&udp_port; + u16 i = 0; + + while (true) { + struct ice_bst_tcam_item *item; + + item = ice_bst_tcam_search(psr->bst_tcam_table, + psr->bst_lbl_table, + type, &i); + if (!item) + break; + + /* found empty slot to add */ + if (on && item->key[ICE_BT_TUN_PORT_OFF_H] == ICE_BT_INV_KEY && + item->key_inv[ICE_BT_TUN_PORT_OFF_H] == ICE_BT_INV_KEY) { + item->key_inv[ICE_BT_TUN_PORT_OFF_L] = + buf[ICE_UDP_PORT_OFF_L]; + item->key_inv[ICE_BT_TUN_PORT_OFF_H] = + buf[ICE_UDP_PORT_OFF_H]; + + item->key[ICE_BT_TUN_PORT_OFF_L] = + ICE_BT_VLD_KEY - buf[ICE_UDP_PORT_OFF_L]; + item->key[ICE_BT_TUN_PORT_OFF_H] = + ICE_BT_VLD_KEY - buf[ICE_UDP_PORT_OFF_H]; + + return 0; + /* found a matched slot to delete */ + } else if (!on && + (item->key_inv[ICE_BT_TUN_PORT_OFF_L] == + buf[ICE_UDP_PORT_OFF_L] || + item->key_inv[ICE_BT_TUN_PORT_OFF_H] == + buf[ICE_UDP_PORT_OFF_H])) { + item->key_inv[ICE_BT_TUN_PORT_OFF_L] = ICE_BT_VLD_KEY; + item->key_inv[ICE_BT_TUN_PORT_OFF_H] = ICE_BT_INV_KEY; + + item->key[ICE_BT_TUN_PORT_OFF_L] = ICE_BT_VLD_KEY; + item->key[ICE_BT_TUN_PORT_OFF_H] = ICE_BT_INV_KEY; + + return 0; + } + i++; + } + + return -EINVAL; +} + +/** + * ice_parser_vxlan_tunnel_set - configure vxlan tunnel for parser + * @psr: pointer to a parser instance + * @udp_port: vxlan tunnel port in UDP header + * @on: true to turn on; false to turn off + */ +int ice_parser_vxlan_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return ice_tunnel_port_set(psr, ICE_LBL_BST_TYPE_VXLAN, udp_port, on); +} + +/** + * ice_parser_geneve_tunnel_set - configure geneve tunnel for parser + * @psr: pointer to a parser instance + * @udp_port: geneve tunnel port in UDP header + * @on: true to turn on; false to turn off + */ +int ice_parser_geneve_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return ice_tunnel_port_set(psr, ICE_LBL_BST_TYPE_GENEVE, udp_port, on); +} + +/** + * ice_parser_ecpri_tunnel_set - configure ecpri tunnel for parser + * @psr: pointer to a parser instance + * @udp_port: ecpri tunnel port in UDP header + * @on: true to turn on; false to turn off + */ +int ice_parser_ecpri_tunnel_set(struct ice_parser *psr, + u16 udp_port, bool on) +{ + return ice_tunnel_port_set(psr, ICE_LBL_BST_TYPE_UDP_ECPRI, + udp_port, on); +} diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h index a891d3acf1f1..26aa500c27c7 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.h +++ b/drivers/net/ethernet/intel/ice/ice_parser.h @@ -276,11 +276,17 @@ 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" +#define ICE_LBL_TNL_VXLAN "TNL_VXLAN" +#define ICE_LBL_TNL_GENEVE "TNL_GENEVE" +#define ICE_LBL_TNL_UDP_ECPRI "TNL_UDP_ECPRI" enum ice_lbl_type { ICE_LBL_BST_TYPE_UNKNOWN, ICE_LBL_BST_TYPE_DVM, ICE_LBL_BST_TYPE_SVM, + ICE_LBL_BST_TYPE_VXLAN, + ICE_LBL_BST_TYPE_GENEVE, + ICE_LBL_BST_TYPE_UDP_ECPRI, }; struct ice_lbl_item { @@ -445,7 +451,11 @@ struct ice_parser_proto_off { #define ICE_PARSER_PROTO_OFF_PAIR_SIZE 16 #define ICE_PARSER_FLAG_PSR_SIZE 8 +#define ICE_BT_TUN_PORT_OFF_H 16 +#define ICE_BT_TUN_PORT_OFF_L 15 #define ICE_BT_VM_OFF 0 +#define ICE_UDP_PORT_OFF_H 1 +#define ICE_UDP_PORT_OFF_L 0 struct ice_parser_result { u16 ptype; /* 16 bits hardware PTYPE */ @@ -495,6 +505,9 @@ 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_vxlan_tunnel_set(struct ice_parser *psr, u16 udp_port, bool on); +int ice_parser_geneve_tunnel_set(struct ice_parser *psr, u16 udp_port, bool on); +int ice_parser_ecpri_tunnel_set(struct ice_parser *psr, u16 udp_port, 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);