From patchwork Mon Sep 4 02:14:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Guo, Junfeng" X-Patchwork-Id: 13373435 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 9A62B1364 for ; Mon, 4 Sep 2023 02:15:25 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 149A0BF for ; Sun, 3 Sep 2023 19:15:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1693793723; x=1725329723; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0joeF6xt2YO6csAGe+Lafye/GYqykhG3d1ls6gewx6k=; b=RqHsKDfsUjH6qa1oTw1hKT/ZobHMWkNQDq7HqYZ/s2hCLyZDd+4RTjun cji5QLNSO7Z2Q+u/9wo2H5nz38stWpEgwpG58i8LyyvsY3/IRMAjNix+h GvTzHv4Bloms/roLeIu+SR0I7ZYsOG0JlTLItPwI1xCBU0tbrr/THqX/d WnDGbk7G80f//lzfvtcJVePjcjx02I66R1CPovAUMLRy4/LdwPBCQdHbY ln2DVTpG0g2lYcFWGlyXUxIfwbGSKUHA/jEtXztHkLTRhyBKDyRwdFsV9 dWqEgWfC00fOHhTr9vtICwPKGL+XYjfnZt2d/orVW1dQnX3OaxGqysEUW A==; X-IronPort-AV: E=McAfee;i="6600,9927,10822"; a="379215207" X-IronPort-AV: E=Sophos;i="6.02,225,1688454000"; d="scan'208";a="379215207" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2023 19:15:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10822"; a="769826859" X-IronPort-AV: E=Sophos;i="6.02,225,1688454000"; d="scan'208";a="769826859" Received: from dpdk-jf-ntb-v2.sh.intel.com ([10.67.119.19]) by orsmga008.jf.intel.com with ESMTP; 03 Sep 2023 19:15:18 -0700 From: Junfeng Guo To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, anthony.l.nguyen@intel.com, jesse.brandeburg@intel.com, qi.z.zhang@intel.com, ivecera@redhat.com, sridhar.samudrala@intel.com, horms@kernel.org, kuba@kernel.org, edumazet@google.com, davem@davemloft.net, pabeni@redhat.com, Junfeng Guo Subject: [PATCH iwl-next v9 04/15] ice: init parse graph cam tables for parser Date: Mon, 4 Sep 2023 10:14:44 +0800 Message-Id: <20230904021455.3944605-5-junfeng.guo@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230904021455.3944605-1-junfeng.guo@intel.com> References: <20230904021455.3944605-1-junfeng.guo@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Parse DDP section ICE_SID_RXPARSER_CAM or ICE_SID_RXPARSER_PG_SPILL into an array of struct ice_pg_cam_item. Parse DDP section ICE_SID_RXPARSER_NOMATCH_CAM or ICE_SID_RXPARSER_NOMATCH_SPILL into an array of struct ice_pg_nm_cam_item. Signed-off-by: Junfeng Guo --- drivers/net/ethernet/intel/ice/Makefile | 1 + drivers/net/ethernet/intel/ice/ice_parser.c | 40 +++ drivers/net/ethernet/intel/ice/ice_parser.h | 13 + drivers/net/ethernet/intel/ice/ice_pg_cam.c | 368 ++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_pg_cam.h | 67 ++++ 5 files changed, 489 insertions(+) create mode 100644 drivers/net/ethernet/intel/ice/ice_pg_cam.c create mode 100644 drivers/net/ethernet/intel/ice/ice_pg_cam.h diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile index feb7ab8e0eed..dfb684cbc7f1 100644 --- a/drivers/net/ethernet/intel/ice/Makefile +++ b/drivers/net/ethernet/intel/ice/Makefile @@ -28,6 +28,7 @@ ice-y := ice_main.o \ ice_flow.o \ ice_parser.o \ ice_imem.o \ + ice_pg_cam.o \ ice_metainit.o \ ice_idc.o \ ice_devlink.o \ diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c index e2e49fcf69c1..b654135419fb 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.c +++ b/drivers/net/ethernet/intel/ice/ice_parser.c @@ -28,6 +28,18 @@ void *ice_parser_sect_item_get(u32 sect_type, void *section, case ICE_SID_RXPARSER_METADATA_INIT: size = ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE; break; + case ICE_SID_RXPARSER_CAM: + size = ICE_SID_RXPARSER_CAM_ENTRY_SIZE; + break; + case ICE_SID_RXPARSER_PG_SPILL: + size = ICE_SID_RXPARSER_PG_SPILL_ENTRY_SIZE; + break; + case ICE_SID_RXPARSER_NOMATCH_CAM: + size = ICE_SID_RXPARSER_NOMATCH_CAM_ENTRY_SIZE; + break; + case ICE_SID_RXPARSER_NOMATCH_SPILL: + size = ICE_SID_RXPARSER_NOMATCH_SPILL_ENTRY_SIZE; + break; default: return NULL; } @@ -120,6 +132,30 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr) goto err; } + p->pg_cam_table = ice_pg_cam_table_get(hw); + if (!p->pg_cam_table) { + status = -EINVAL; + goto err; + } + + p->pg_sp_cam_table = ice_pg_sp_cam_table_get(hw); + if (!p->pg_sp_cam_table) { + status = -EINVAL; + goto err; + } + + p->pg_nm_cam_table = ice_pg_nm_cam_table_get(hw); + if (!p->pg_nm_cam_table) { + status = -EINVAL; + goto err; + } + + p->pg_nm_sp_cam_table = ice_pg_nm_sp_cam_table_get(hw); + if (!p->pg_nm_sp_cam_table) { + status = -EINVAL; + goto err; + } + *psr = p; return 0; err: @@ -135,6 +171,10 @@ void ice_parser_destroy(struct ice_parser *psr) { devm_kfree(ice_hw_to_dev(psr->hw), psr->imem_table); devm_kfree(ice_hw_to_dev(psr->hw), psr->mi_table); + devm_kfree(ice_hw_to_dev(psr->hw), psr->pg_cam_table); + devm_kfree(ice_hw_to_dev(psr->hw), psr->pg_sp_cam_table); + devm_kfree(ice_hw_to_dev(psr->hw), psr->pg_nm_cam_table); + devm_kfree(ice_hw_to_dev(psr->hw), psr->pg_nm_sp_cam_table); devm_kfree(ice_hw_to_dev(psr->hw), psr); } diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h index b52abad747b2..c709c56bf2e6 100644 --- a/drivers/net/ethernet/intel/ice/ice_parser.h +++ b/drivers/net/ethernet/intel/ice/ice_parser.h @@ -6,10 +6,15 @@ #include "ice_metainit.h" #include "ice_imem.h" +#include "ice_pg_cam.h" #define ICE_SEC_DATA_OFFSET 4 #define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE 48 #define ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE 24 +#define ICE_SID_RXPARSER_CAM_ENTRY_SIZE 16 +#define ICE_SID_RXPARSER_PG_SPILL_ENTRY_SIZE 17 +#define ICE_SID_RXPARSER_NOMATCH_CAM_ENTRY_SIZE 12 +#define ICE_SID_RXPARSER_NOMATCH_SPILL_ENTRY_SIZE 13 struct ice_parser { struct ice_hw *hw; /* pointer to the hardware structure */ @@ -18,6 +23,14 @@ struct ice_parser { struct ice_imem_item *imem_table; /* load data from section ICE_SID_RXPARSER_METADATA_INIT */ struct ice_metainit_item *mi_table; + /* load data from section ICE_SID_RXPARSER_CAM */ + struct ice_pg_cam_item *pg_cam_table; + /* load data from section ICE_SID_RXPARSER_PG_SPILL */ + struct ice_pg_cam_item *pg_sp_cam_table; + /* load data from section ICE_SID_RXPARSER_NOMATCH_CAM */ + struct ice_pg_nm_cam_item *pg_nm_cam_table; + /* load data from section ICE_SID_RXPARSER_NOMATCH_SPILL */ + struct ice_pg_nm_cam_item *pg_nm_sp_cam_table; }; int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr); diff --git a/drivers/net/ethernet/intel/ice/ice_pg_cam.c b/drivers/net/ethernet/intel/ice/ice_pg_cam.c new file mode 100644 index 000000000000..8e4d03b9032a --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_pg_cam.c @@ -0,0 +1,368 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2023 Intel Corporation */ + +#include "ice_common.h" +#include "ice_parser_util.h" + +static void _ice_pg_cam_key_dump(struct ice_hw *hw, struct ice_pg_cam_key *key) +{ + dev_info(ice_hw_to_dev(hw), "key:\n"); + dev_info(ice_hw_to_dev(hw), "\tvalid = %d\n", key->valid); + dev_info(ice_hw_to_dev(hw), "\tnode_id = %d\n", key->node_id); + dev_info(ice_hw_to_dev(hw), "\tflag0 = %d\n", key->flag0); + dev_info(ice_hw_to_dev(hw), "\tflag1 = %d\n", key->flag1); + dev_info(ice_hw_to_dev(hw), "\tflag2 = %d\n", key->flag2); + dev_info(ice_hw_to_dev(hw), "\tflag3 = %d\n", key->flag3); + dev_info(ice_hw_to_dev(hw), "\tboost_idx = %d\n", key->boost_idx); + dev_info(ice_hw_to_dev(hw), "\talu_reg = 0x%04x\n", key->alu_reg); + dev_info(ice_hw_to_dev(hw), "\tnext_proto = 0x%08x\n", + key->next_proto); +} + +static void _ice_pg_nm_cam_key_dump(struct ice_hw *hw, + struct ice_pg_nm_cam_key *key) +{ + dev_info(ice_hw_to_dev(hw), "key:\n"); + dev_info(ice_hw_to_dev(hw), "\tvalid = %d\n", key->valid); + dev_info(ice_hw_to_dev(hw), "\tnode_id = %d\n", key->node_id); + dev_info(ice_hw_to_dev(hw), "\tflag0 = %d\n", key->flag0); + dev_info(ice_hw_to_dev(hw), "\tflag1 = %d\n", key->flag1); + dev_info(ice_hw_to_dev(hw), "\tflag2 = %d\n", key->flag2); + dev_info(ice_hw_to_dev(hw), "\tflag3 = %d\n", key->flag3); + dev_info(ice_hw_to_dev(hw), "\tboost_idx = %d\n", key->boost_idx); + dev_info(ice_hw_to_dev(hw), "\talu_reg = 0x%04x\n", key->alu_reg); +} + +static void _ice_pg_cam_action_dump(struct ice_hw *hw, + struct ice_pg_cam_action *action) +{ + dev_info(ice_hw_to_dev(hw), "action:\n"); + dev_info(ice_hw_to_dev(hw), "\tnext_node = %d\n", action->next_node); + dev_info(ice_hw_to_dev(hw), "\tnext_pc = %d\n", action->next_pc); + dev_info(ice_hw_to_dev(hw), "\tis_pg = %d\n", action->is_pg); + dev_info(ice_hw_to_dev(hw), "\tproto_id = %d\n", action->proto_id); + dev_info(ice_hw_to_dev(hw), "\tis_mg = %d\n", action->is_mg); + dev_info(ice_hw_to_dev(hw), "\tmarker_id = %d\n", action->marker_id); + dev_info(ice_hw_to_dev(hw), "\tis_last_round = %d\n", + action->is_last_round); + dev_info(ice_hw_to_dev(hw), "\tho_polarity = %d\n", + action->ho_polarity); + dev_info(ice_hw_to_dev(hw), "\tho_inc = %d\n", action->ho_inc); +} + +/** + * ice_pg_cam_dump - dump an parse graph cam info + * @hw: pointer to the hardware structure + * @item: parse graph cam to dump + */ +void ice_pg_cam_dump(struct ice_hw *hw, struct ice_pg_cam_item *item) +{ + dev_info(ice_hw_to_dev(hw), "index = %d\n", item->idx); + _ice_pg_cam_key_dump(hw, &item->key); + _ice_pg_cam_action_dump(hw, &item->action); +} + +/** + * ice_pg_nm_cam_dump - dump an parse graph no match cam info + * @hw: pointer to the hardware structure + * @item: parse graph no match cam to dump + */ +void ice_pg_nm_cam_dump(struct ice_hw *hw, struct ice_pg_nm_cam_item *item) +{ + dev_info(ice_hw_to_dev(hw), "index = %d\n", item->idx); + _ice_pg_nm_cam_key_dump(hw, &item->key); + _ice_pg_cam_action_dump(hw, &item->action); +} + +#define ICE_PGCA_NN GENMASK_ULL(10, 0) +#define ICE_PGCA_NPC GENMASK_ULL(18, 11) +#define ICE_PGCA_IPG BIT_ULL(19) +#define ICE_PGCA_PID GENMASK_ULL(30, 23) +#define ICE_PGCA_IMG BIT_ULL(31) +#define ICE_PGCA_MID GENMASK_ULL(39, 32) +#define ICE_PGCA_ILR BIT_ULL(40) +#define ICE_PGCA_HOP BIT_ULL(41) +#define ICE_PGCA_HOI GENMASK_ULL(50, 42) + +/** The function parses a 55 bits Parse Graph CAM Action with below format: + * BIT 0-10: Next Node ID (action->next_node) + * BIT 11-18: Next PC (action->next_pc) + * BIT 19: Is Protocol Group (action->is_pg) + * BIT 20-22: reserved + * BIT 23-30: Protocol ID (action->proto_id) + * BIT 31: Is Marker Group (action->is_mg) + * BIT 32-39: Marker ID (action->marker_id) + * BIT 40: Is Last Round (action->is_last_round) + * BIT 41: Header Offset Polarity (action->ho_poloarity) + * BIT 42-50: Header Offset Inc (action->ho_inc) + * BIT 51-54: reserved + */ +static void _ice_pg_cam_action_init(struct ice_pg_cam_action *action, u64 data) +{ + action->next_node = FIELD_GET(ICE_PGCA_NN, data); + action->next_pc = FIELD_GET(ICE_PGCA_NPC, data); + action->is_pg = FIELD_GET(ICE_PGCA_IPG, data); + action->proto_id = FIELD_GET(ICE_PGCA_PID, data); + action->is_mg = FIELD_GET(ICE_PGCA_IMG, data); + action->marker_id = FIELD_GET(ICE_PGCA_MID, data); + action->is_last_round = FIELD_GET(ICE_PGCA_ILR, data); + action->ho_polarity = FIELD_GET(ICE_PGCA_HOP, data); + action->ho_inc = FIELD_GET(ICE_PGCA_HOI, data); +} + +#define ICE_PGNCK_VLD BIT_ULL(0) +#define ICE_PGNCK_NID GENMASK_ULL(11, 1) +#define ICE_PGNCK_F0 BIT_ULL(12) +#define ICE_PGNCK_F1 BIT_ULL(13) +#define ICE_PGNCK_F2 BIT_ULL(14) +#define ICE_PGNCK_F3 BIT_ULL(15) +#define ICE_PGNCK_BH BIT_ULL(16) +#define ICE_PGNCK_BI GENMASK_ULL(24, 17) +#define ICE_PGNCK_AR GENMASK_ULL(40, 25) + +/** The function parses a 41 bits Parse Graph NoMatch CAM Key with below format: + * BIT 0: Valid (key->valid) + * BIT 1-11: Node ID (key->node_id) + * BIT 12: Flag 0 (key->flag0) + * BIT 13: Flag 1 (key->flag1) + * BIT 14: Flag 2 (key->flag2) + * BIT 15: Flag 3 (key->flag3) + * BIT 16: Boost Hit (key->boost_idx to 0 if it is 0) + * BIT 17-24: Boost Index (key->boost_idx only if Boost Hit is not 0) + * BIT 25-40: ALU Reg (key->alu_reg) + */ +static void _ice_pg_nm_cam_key_init(struct ice_pg_nm_cam_key *key, u64 data) +{ + key->valid = FIELD_GET(ICE_PGNCK_VLD, data); + key->node_id = FIELD_GET(ICE_PGNCK_NID, data); + key->flag0 = FIELD_GET(ICE_PGNCK_F0, data); + key->flag1 = FIELD_GET(ICE_PGNCK_F1, data); + key->flag2 = FIELD_GET(ICE_PGNCK_F2, data); + key->flag3 = FIELD_GET(ICE_PGNCK_F3, data); + + if (FIELD_GET(ICE_PGNCK_BH, data)) + key->boost_idx = FIELD_GET(ICE_PGNCK_BI, data); + else + key->boost_idx = 0; + + key->alu_reg = FIELD_GET(ICE_PGNCK_AR, data); +} + +#define ICE_PGCK_VLD BIT_ULL(0) +#define ICE_PGCK_NID GENMASK_ULL(11, 1) +#define ICE_PGCK_F0 BIT_ULL(12) +#define ICE_PGCK_F1 BIT_ULL(13) +#define ICE_PGCK_F2 BIT_ULL(14) +#define ICE_PGCK_F3 BIT_ULL(15) +#define ICE_PGCK_BH BIT_ULL(16) +#define ICE_PGCK_BI GENMASK_ULL(24, 17) +#define ICE_PGCK_AR GENMASK_ULL(40, 25) +#define ICE_PGCK_NPK_S 41 /* offset for the 2nd 64-bits field */ +#define ICE_PGCK_NPK GENMASK_ULL(72 - ICE_PGCK_NPK_S, 41 - ICE_PGCK_NPK_S) + +/** The function parses a 73 bits Parse Graph CAM Key with below format: + * BIT 0: Valid (key->valid) + * BIT 1-11: Node ID (key->node_id) + * BIT 12: Flag 0 (key->flag0) + * BIT 13: Flag 1 (key->flag1) + * BIT 14: Flag 2 (key->flag2) + * BIT 15: Flag 3 (key->flag3) + * BIT 16: Boost Hit (key->boost_idx to 0 if it is 0) + * BIT 17-24: Boost Index (key->boost_idx only if Boost Hit is not 0) + * BIT 25-40: ALU Reg (key->alu_reg) + * BIT 41-72: Next Proto Key (key->next_proto) + */ +static void _ice_pg_cam_key_init(struct ice_pg_cam_key *key, u8 *data) +{ + u64 d64 = *(u64 *)data; + u8 idd, off; + + key->valid = FIELD_GET(ICE_PGCK_VLD, d64); + key->node_id = FIELD_GET(ICE_PGCK_NID, d64); + key->flag0 = FIELD_GET(ICE_PGCK_F0, d64); + key->flag1 = FIELD_GET(ICE_PGCK_F1, d64); + key->flag2 = FIELD_GET(ICE_PGCK_F2, d64); + key->flag3 = FIELD_GET(ICE_PGCK_F3, d64); + + if (FIELD_GET(ICE_PGCK_BH, d64)) + key->boost_idx = FIELD_GET(ICE_PGCK_BI, d64); + else + key->boost_idx = 0; + + key->alu_reg = FIELD_GET(ICE_PGCK_AR, d64); + + idd = ICE_PGCK_NPK_S / BITS_PER_BYTE; + off = ICE_PGCK_NPK_S % BITS_PER_BYTE; + d64 = *((u64 *)&data[idd]) >> off; + + key->next_proto = FIELD_GET(ICE_PGCK_NPK, d64); +} + +#define ICE_PG_CAM_KEY_OFF 0 +#define ICE_PG_CAM_ACT_OFF 73 + +/** The function parses a 128 bits Parse Graph CAM Entry with below format: + * BIT 0-72: Key (ci->key) + * BIT 73-127: Action (ci->action) + */ +static void _ice_pg_cam_parse_item(struct ice_hw *hw, u16 idx, void *item, + void *data, int size) +{ + struct ice_pg_cam_item *ci = item; + u8 *buf = data; + u64 d64; + u8 off; + + ci->idx = idx; + + _ice_pg_cam_key_init(&ci->key, buf); + + off = ICE_PG_CAM_ACT_OFF % BITS_PER_BYTE; + d64 = *((u64 *)&buf[ICE_PG_CAM_ACT_OFF / BITS_PER_BYTE]) >> off; + _ice_pg_cam_action_init(&ci->action, d64); + + if (hw->debug_mask & ICE_DBG_PARSER) + ice_pg_cam_dump(hw, ci); +} + +#define ICE_PG_SP_CAM_ACT_OFF 0 +#define ICE_PG_SP_CAM_KEY_OFF 56 + +/** The function parses a 136 bits Parse Graph Spill CAM Entry with below + * format: + * BIT 0-55: Action (ci->key) + * BIT 56-135: Key (ci->action) + */ +static void _ice_pg_sp_cam_parse_item(struct ice_hw *hw, u16 idx, void *item, + void *data, int size) +{ + struct ice_pg_cam_item *ci = item; + u8 *buf = data; + u64 d64; + u8 idd; + + ci->idx = idx; + + d64 = *(u64 *)buf; + _ice_pg_cam_action_init(&ci->action, d64); + + idd = ICE_PG_SP_CAM_KEY_OFF / BITS_PER_BYTE; + _ice_pg_cam_key_init(&ci->key, &buf[idd]); + + if (hw->debug_mask & ICE_DBG_PARSER) + ice_pg_cam_dump(hw, ci); +} + +#define ICE_PG_NM_CAM_KEY_OFF 0 +#define ICE_PG_NM_CAM_ACT_OFF 41 + +/** The function parses a 96 bits Parse Graph NoMatch CAM Entry with below + * format: + * BIT 0-40: Key (ci->key) + * BIT 41-95: Action (ci->action) + */ +static void _ice_pg_nm_cam_parse_item(struct ice_hw *hw, u16 idx, void *item, + void *data, int size) +{ + struct ice_pg_nm_cam_item *ci = item; + u8 *buf = data; + u64 d64; + u8 off; + + ci->idx = idx; + + d64 = *(u64 *)buf; + _ice_pg_nm_cam_key_init(&ci->key, d64); + + off = ICE_PG_NM_CAM_ACT_OFF % BITS_PER_BYTE; + d64 = *((u64 *)&buf[ICE_PG_NM_CAM_ACT_OFF / BITS_PER_BYTE]) >> off; + _ice_pg_cam_action_init(&ci->action, d64); + + if (hw->debug_mask & ICE_DBG_PARSER) + ice_pg_nm_cam_dump(hw, ci); +} + +#define ICE_PG_NM_SP_CAM_KEY_OFF 0 +#define ICE_PG_NM_SP_CAM_ACT_OFF 56 + +/** The function parses a 104 bits Parse Graph NoMatch Spill CAM Entry with + * below format: + * BIT 0-55: Key (ci->key) + * BIT 56-103: Action (ci->action) + */ +static void _ice_pg_nm_sp_cam_parse_item(struct ice_hw *hw, u16 idx, + void *item, void *data, int size) +{ + struct ice_pg_nm_cam_item *ci = item; + u8 *buf = data; + u64 d64; + u8 off; + + ci->idx = idx; + + d64 = *(u64 *)buf; + _ice_pg_cam_action_init(&ci->action, d64); + + off = ICE_PG_NM_SP_CAM_ACT_OFF % BITS_PER_BYTE; + d64 = *((u64 *)&buf[ICE_PG_NM_SP_CAM_ACT_OFF / BITS_PER_BYTE]) >> off; + _ice_pg_nm_cam_key_init(&ci->key, d64); + + if (hw->debug_mask & ICE_DBG_PARSER) + ice_pg_nm_cam_dump(hw, ci); +} + +/** + * ice_pg_cam_table_get - create a parse graph cam table + * @hw: pointer to the hardware structure + */ +struct ice_pg_cam_item *ice_pg_cam_table_get(struct ice_hw *hw) +{ + return (struct ice_pg_cam_item *) + ice_parser_create_table(hw, ICE_SID_RXPARSER_CAM, + sizeof(struct ice_pg_cam_item), + ICE_PG_CAM_TABLE_SIZE, + ice_parser_sect_item_get, + _ice_pg_cam_parse_item); +} + +/** + * ice_pg_sp_cam_table_get - create a parse graph spill cam table + * @hw: pointer to the hardware structure + */ +struct ice_pg_cam_item *ice_pg_sp_cam_table_get(struct ice_hw *hw) +{ + return (struct ice_pg_cam_item *) + ice_parser_create_table(hw, ICE_SID_RXPARSER_PG_SPILL, + sizeof(struct ice_pg_cam_item), + ICE_PG_SP_CAM_TABLE_SIZE, + ice_parser_sect_item_get, + _ice_pg_sp_cam_parse_item); +} + +/** + * ice_pg_nm_cam_table_get - create a parse graph no match cam table + * @hw: pointer to the hardware structure + */ +struct ice_pg_nm_cam_item *ice_pg_nm_cam_table_get(struct ice_hw *hw) +{ + return (struct ice_pg_nm_cam_item *) + ice_parser_create_table(hw, ICE_SID_RXPARSER_NOMATCH_CAM, + sizeof(struct ice_pg_nm_cam_item), + ICE_PG_NM_CAM_TABLE_SIZE, + ice_parser_sect_item_get, + _ice_pg_nm_cam_parse_item); +} + +/** + * ice_pg_nm_sp_cam_table_get - create a parse graph no match spill cam table + * @hw: pointer to the hardware structure + */ +struct ice_pg_nm_cam_item *ice_pg_nm_sp_cam_table_get(struct ice_hw *hw) +{ + return (struct ice_pg_nm_cam_item *) + ice_parser_create_table(hw, ICE_SID_RXPARSER_NOMATCH_SPILL, + sizeof(struct ice_pg_nm_cam_item), + ICE_PG_NM_SP_CAM_TABLE_SIZE, + ice_parser_sect_item_get, + _ice_pg_nm_sp_cam_parse_item); +} diff --git a/drivers/net/ethernet/intel/ice/ice_pg_cam.h b/drivers/net/ethernet/intel/ice/ice_pg_cam.h new file mode 100644 index 000000000000..472f54530c4c --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_pg_cam.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2023 Intel Corporation */ + +#ifndef _ICE_PG_CAM_H_ +#define _ICE_PG_CAM_H_ + +#define ICE_PG_CAM_TABLE_SIZE 2048 +#define ICE_PG_SP_CAM_TABLE_SIZE 128 +#define ICE_PG_NM_CAM_TABLE_SIZE 1024 +#define ICE_PG_NM_SP_CAM_TABLE_SIZE 64 + +struct ice_pg_cam_key { + bool valid; + u16 node_id; + bool flag0; + bool flag1; + bool flag2; + bool flag3; + u8 boost_idx; + u16 alu_reg; + u32 next_proto; +}; + +struct ice_pg_nm_cam_key { + bool valid; + u16 node_id; + bool flag0; + bool flag1; + bool flag2; + bool flag3; + u8 boost_idx; + u16 alu_reg; +}; + +struct ice_pg_cam_action { + u16 next_node; + u8 next_pc; + bool is_pg; + u8 proto_id; + bool is_mg; + u8 marker_id; + bool is_last_round; + bool ho_polarity; + u16 ho_inc; +}; + +struct ice_pg_cam_item { + u16 idx; + struct ice_pg_cam_key key; + struct ice_pg_cam_action action; +}; + +struct ice_pg_nm_cam_item { + u16 idx; + struct ice_pg_nm_cam_key key; + struct ice_pg_cam_action action; +}; + +void ice_pg_cam_dump(struct ice_hw *hw, struct ice_pg_cam_item *item); +void ice_pg_nm_cam_dump(struct ice_hw *hw, struct ice_pg_nm_cam_item *item); + +struct ice_pg_cam_item *ice_pg_cam_table_get(struct ice_hw *hw); +struct ice_pg_cam_item *ice_pg_sp_cam_table_get(struct ice_hw *hw); + +struct ice_pg_nm_cam_item *ice_pg_nm_cam_table_get(struct ice_hw *hw); +struct ice_pg_nm_cam_item *ice_pg_nm_sp_cam_table_get(struct ice_hw *hw); +#endif /* _ICE_PG_CAM_H_ */