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Message-Id: <20230824075500.1735790-3-junfeng.guo@intel.com>
Date: Thu, 24 Aug 2023 15:54:47 +0800
From: Junfeng Guo <junfeng.guo@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
jesse.brandeburg@...el.com,
qi.z.zhang@...el.com,
ivecera@...hat.com,
sridhar.samudrala@...el.com,
horms@...nel.org,
kuba@...nel.org,
edumazet@...gle.com,
davem@...emloft.net,
pabeni@...hat.com,
Junfeng Guo <junfeng.guo@...el.com>
Subject: [PATCH iwl-next v8 02/15] ice: init imem table for parser
Parse DDP section ICE_SID_RXPARSER_IMEM into an array of
struct ice_imem_item.
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
---
drivers/net/ethernet/intel/ice/ice_imem.c | 279 ++++++++++++++++++
drivers/net/ethernet/intel/ice/ice_imem.h | 217 ++++++++++++++
drivers/net/ethernet/intel/ice/ice_parser.c | 97 ++++++
drivers/net/ethernet/intel/ice/ice_parser.h | 8 +
.../net/ethernet/intel/ice/ice_parser_util.h | 24 ++
drivers/net/ethernet/intel/ice/ice_type.h | 1 +
6 files changed, 626 insertions(+)
create mode 100644 drivers/net/ethernet/intel/ice/ice_imem.c
create mode 100644 drivers/net/ethernet/intel/ice/ice_imem.h
create mode 100644 drivers/net/ethernet/intel/ice/ice_parser_util.h
diff --git a/drivers/net/ethernet/intel/ice/ice_imem.c b/drivers/net/ethernet/intel/ice/ice_imem.c
new file mode 100644
index 000000000000..5e6ded40fa6e
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_imem.c
@@ -0,0 +1,279 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2023 Intel Corporation */
+
+#include "ice_common.h"
+#include "ice_parser_util.h"
+
+static void _ice_imem_bst_bm_dump(struct ice_hw *hw, struct ice_bst_main *bm)
+{
+ dev_info(ice_hw_to_dev(hw), "boost main:\n");
+ dev_info(ice_hw_to_dev(hw), "\talu0 = %d\n", bm->alu0);
+ dev_info(ice_hw_to_dev(hw), "\talu1 = %d\n", bm->alu1);
+ dev_info(ice_hw_to_dev(hw), "\talu2 = %d\n", bm->alu2);
+ dev_info(ice_hw_to_dev(hw), "\tpg = %d\n", bm->pg);
+}
+
+static void _ice_imem_bst_kb_dump(struct ice_hw *hw,
+ struct ice_bst_keybuilder *kb)
+{
+ dev_info(ice_hw_to_dev(hw), "boost key builder:\n");
+ dev_info(ice_hw_to_dev(hw), "\tpriority = %d\n", kb->prio);
+ dev_info(ice_hw_to_dev(hw), "\ttsr_ctrl = %d\n", kb->tsr_ctrl);
+}
+
+static void _ice_imem_np_kb_dump(struct ice_hw *hw,
+ struct ice_np_keybuilder *kb)
+{
+ dev_info(ice_hw_to_dev(hw), "next proto key builder:\n");
+ dev_info(ice_hw_to_dev(hw), "\tops = %d\n", kb->opc);
+ dev_info(ice_hw_to_dev(hw), "\tstart_or_reg0 = %d\n",
+ kb->start_reg0);
+ dev_info(ice_hw_to_dev(hw), "\tlen_or_reg1 = %d\n", kb->len_reg1);
+}
+
+static void _ice_imem_pg_kb_dump(struct ice_hw *hw,
+ struct ice_pg_keybuilder *kb)
+{
+ dev_info(ice_hw_to_dev(hw), "parse graph key builder:\n");
+ dev_info(ice_hw_to_dev(hw), "\tflag0_ena = %d\n", kb->flag0_ena);
+ dev_info(ice_hw_to_dev(hw), "\tflag1_ena = %d\n", kb->flag1_ena);
+ dev_info(ice_hw_to_dev(hw), "\tflag2_ena = %d\n", kb->flag2_ena);
+ dev_info(ice_hw_to_dev(hw), "\tflag3_ena = %d\n", kb->flag3_ena);
+ dev_info(ice_hw_to_dev(hw), "\tflag0_idx = %d\n", kb->flag0_idx);
+ dev_info(ice_hw_to_dev(hw), "\tflag1_idx = %d\n", kb->flag1_idx);
+ dev_info(ice_hw_to_dev(hw), "\tflag2_idx = %d\n", kb->flag2_idx);
+ dev_info(ice_hw_to_dev(hw), "\tflag3_idx = %d\n", kb->flag3_idx);
+ dev_info(ice_hw_to_dev(hw), "\talu_reg_idx = %d\n", kb->alu_reg_idx);
+}
+
+static void _ice_imem_alu_dump(struct ice_hw *hw,
+ struct ice_alu *alu, int index)
+{
+ dev_info(ice_hw_to_dev(hw), "alu%d:\n", index);
+ dev_info(ice_hw_to_dev(hw), "\topc = %d\n", alu->opc);
+ dev_info(ice_hw_to_dev(hw), "\tsrc_start = %d\n", alu->src_start);
+ dev_info(ice_hw_to_dev(hw), "\tsrc_len = %d\n", alu->src_len);
+ dev_info(ice_hw_to_dev(hw), "\tshift_xlate_sel = %d\n",
+ alu->shift_xlate_sel);
+ dev_info(ice_hw_to_dev(hw), "\tshift_xlate_key = %d\n",
+ alu->shift_xlate_key);
+ dev_info(ice_hw_to_dev(hw), "\tsrc_reg_id = %d\n", alu->src_reg_id);
+ dev_info(ice_hw_to_dev(hw), "\tdst_reg_id = %d\n", alu->dst_reg_id);
+ dev_info(ice_hw_to_dev(hw), "\tinc0 = %d\n", alu->inc0);
+ dev_info(ice_hw_to_dev(hw), "\tinc1 = %d\n", alu->inc1);
+ dev_info(ice_hw_to_dev(hw), "\tproto_offset_opc = %d\n",
+ alu->proto_offset_opc);
+ dev_info(ice_hw_to_dev(hw), "\tproto_offset = %d\n",
+ alu->proto_offset);
+ dev_info(ice_hw_to_dev(hw), "\tbranch_addr = %d\n", alu->branch_addr);
+ dev_info(ice_hw_to_dev(hw), "\timm = %d\n", alu->imm);
+ dev_info(ice_hw_to_dev(hw), "\tdst_start = %d\n", alu->dst_start);
+ dev_info(ice_hw_to_dev(hw), "\tdst_len = %d\n", alu->dst_len);
+ dev_info(ice_hw_to_dev(hw), "\tflags_extr_imm = %d\n",
+ alu->flags_extr_imm);
+ dev_info(ice_hw_to_dev(hw), "\tflags_start_imm= %d\n",
+ alu->flags_start_imm);
+}
+
+/**
+ * ice_imem_dump - dump an imem item info
+ * @hw: pointer to the hardware structure
+ * @item: imem item to dump
+ */
+void ice_imem_dump(struct ice_hw *hw, struct ice_imem_item *item)
+{
+ dev_info(ice_hw_to_dev(hw), "index = %d\n", item->idx);
+ _ice_imem_bst_bm_dump(hw, &item->b_m);
+ _ice_imem_bst_kb_dump(hw, &item->b_kb);
+ dev_info(ice_hw_to_dev(hw), "pg priority = %d\n", item->pg_pri);
+ _ice_imem_np_kb_dump(hw, &item->np_kb);
+ _ice_imem_pg_kb_dump(hw, &item->pg_kb);
+ _ice_imem_alu_dump(hw, &item->alu0, 0);
+ _ice_imem_alu_dump(hw, &item->alu1, 1);
+ _ice_imem_alu_dump(hw, &item->alu2, 2);
+}
+
+/** The function parses a 4 bits Boost Main with below format:
+ * BIT 0: ALU 0 (bm->alu0)
+ * BIT 1: ALU 1 (bm->alu1)
+ * BIT 2: ALU 2 (bm->alu2)
+ * BIT 3: Parge Graph (bm->pg)
+ */
+static void _ice_imem_bm_init(struct ice_bst_main *bm, u8 data)
+{
+ bm->alu0 = !!(data & ICE_BM_ALU0);
+ bm->alu1 = !!(data & ICE_BM_ALU1);
+ bm->alu2 = !!(data & ICE_BM_ALU2);
+ bm->pg = !!(data & ICE_BM_PG);
+}
+
+/** The function parses a 10 bits Boost Main Build with below format:
+ * BIT 0-7: Priority (bkb->prio)
+ * BIT 8: TSR Control (bkb->tsr_ctrl)
+ * BIT 9: Reserved
+ */
+static void _ice_imem_bkb_init(struct ice_bst_keybuilder *bkb, u16 data)
+{
+ bkb->prio = (u8)(data & ICE_BKB_PRIO_M);
+ bkb->tsr_ctrl = !!(data >> ICE_BKB_TSRC_S & ICE_BKB_TSRC_M);
+}
+
+/** The function parses a 18 bits Next Protocol Key Build with below format:
+ * BIT 0-1: Opcode (kb->ops)
+ * BIT 2-9: Start / Reg 0 (kb->start_or_reg0)
+ * BIT 10-17: Length / Reg 1 (kb->len_or_reg1)
+ */
+static void _ice_imem_npkb_init(struct ice_np_keybuilder *kb, u32 data)
+{
+ kb->opc = (u8)(data & ICE_NPKB_OPC_M);
+ kb->start_reg0 = (u8)((data >> ICE_NPKB_SR0_S) & ICE_NPKB_SR0_M);
+ kb->len_reg1 = (u8)((data >> ICE_NPKB_LR1_S) & ICE_NPKB_LR1_M);
+}
+
+/** The function parses a 35 bits Parse Graph Key Build with below format:
+ * BIT 0: Flag 0 Enable (kb->flag0_ena)
+ * BIT 1-6: Flag 0 Index (kb->flag0_idx)
+ * BIT 7: Flag 1 Enable (kb->flag1_ena)
+ * BIT 8-13: Flag 1 Index (kb->flag1_idx)
+ * BIT 14: Flag 2 Enable (kb->flag2_ena)
+ * BIT 15-20: Flag 2 Index (kb->flag2_idx)
+ * BIT 21: Flag 3 Enable (kb->flag3_ena)
+ * BIT 22-27: Flag 3 Index (kb->flag3_idx)
+ * BIT 28-34: ALU Register Index (kb->alu_reg_idx)
+ */
+static void _ice_imem_pgkb_init(struct ice_pg_keybuilder *kb, u64 data)
+{
+ kb->flag0_ena = !!(data & ICE_PGKB_F0E_M);
+ kb->flag0_idx = (u8)((data >> ICE_PGKB_F0I_S) & ICE_PGKB_F0I_M);
+ kb->flag1_ena = !!((data >> ICE_PGKB_F1E_S) & ICE_PGKB_F1E_M);
+ kb->flag1_idx = (u8)((data >> ICE_PGKB_F1I_S) & ICE_PGKB_F1I_M);
+ kb->flag2_ena = !!((data >> ICE_PGKB_F2E_S) & ICE_PGKB_F2E_M);
+ kb->flag2_idx = (u8)((data >> ICE_PGKB_F2I_S) & ICE_PGKB_F2I_M);
+ kb->flag3_ena = !!((data >> ICE_PGKB_F3E_S) & ICE_PGKB_F3E_M);
+ kb->flag3_idx = (u8)((data >> ICE_PGKB_F3I_S) & ICE_PGKB_F3I_M);
+ kb->alu_reg_idx = (u8)((data >> ICE_PGKB_ARI_S) & ICE_PGKB_ARI_M);
+}
+
+/** The function parses a 96 bits ALU entry with below format:
+ * BIT 0-5: Opcode (alu->opc)
+ * BIT 6-13: Source Start (alu->src_start)
+ * BIT 14-18: Source Length (alu->src_len)
+ * BIT 19: Shift/Xlate Select (alu->shift_xlate_select)
+ * BIT 20-23: Shift/Xlate Key (alu->shift_xlate_key)
+ * BIT 24-30: Source Register ID (alu->src_reg_id)
+ * BIT 31-37: Dest. Register ID (alu->dst_reg_id)
+ * BIT 38: Inc0 (alu->inc0)
+ * BIT 39: Inc1 (alu->inc1)
+ * BIT 40:41 Protocol Offset Opcode (alu->proto_offset_opc)
+ * BIT 42:49 Protocol Offset (alu->proto_offset)
+ * BIT 50:57 Branch Address (alu->branch_addr)
+ * BIT 58:73 Immediate (alu->imm)
+ * BIT 74 Dedicated Flags Enable (alu->dedicate_flags_ena)
+ * BIT 75:80 Dest. Start (alu->dst_start)
+ * BIT 81:86 Dest. Length (alu->dst_len)
+ * BIT 87 Flags Extract Imm. (alu->flags_extr_imm)
+ * BIT 88:95 Flags Start/Immediate (alu->flags_start_imm)
+ */
+static void _ice_imem_alu_init(struct ice_alu *alu, u8 *data, u8 off)
+{
+ u64 d64;
+ u8 idd;
+
+ d64 = *((u64 *)data) >> off;
+
+ alu->opc = (enum ice_alu_opcode)(d64 & ICE_ALU_OPC_M);
+ alu->src_start = (u8)((d64 >> ICE_ALU_SS_S) & ICE_ALU_SS_M);
+ alu->src_len = (u8)((d64 >> ICE_ALU_SL_S) & ICE_ALU_SL_M);
+ alu->shift_xlate_sel = !!((d64 >> ICE_ALU_SXS_S) & ICE_ALU_SXS_M);
+ alu->shift_xlate_key = (u8)((d64 >> ICE_ALU_SXK_S) & ICE_ALU_SXK_M);
+ alu->src_reg_id = (u8)((d64 >> ICE_ALU_SRI_S) & ICE_ALU_SRI_M);
+ alu->dst_reg_id = (u8)((d64 >> ICE_ALU_DRI_S) & ICE_ALU_DRI_M);
+ alu->inc0 = !!((d64 >> ICE_ALU_INC0_S) & ICE_ALU_INC0_M);
+ alu->inc1 = !!((d64 >> ICE_ALU_INC1_S) & ICE_ALU_INC1_M);
+ alu->proto_offset_opc = (u8)((d64 >> ICE_ALU_POO_S) & ICE_ALU_POO_M);
+ alu->proto_offset = (u8)((d64 >> ICE_ALU_PO_S) & ICE_ALU_PO_M);
+
+ idd = (ICE_ALU_BA_S + off) / BITS_PER_BYTE;
+ off = (ICE_ALU_BA_S + off) % BITS_PER_BYTE;
+ d64 = *((u64 *)(&data[idd])) >> off;
+
+ alu->branch_addr = (u8)(d64 & ICE_ALU_BA_M);
+ off = ICE_ALU_IMM_S - ICE_ALU_BA_S;
+ alu->imm = (u16)((d64 >> off) & ICE_ALU_IMM_M);
+ off = ICE_ALU_DFE_S - ICE_ALU_BA_S;
+ alu->dedicate_flags_ena = !!((d64 >> off) & ICE_ALU_DFE_M);
+ off = ICE_ALU_DS_S - ICE_ALU_BA_S;
+ alu->dst_start = (u8)((d64 >> off) & ICE_ALU_DS_M);
+ off = ICE_ALU_DL_S - ICE_ALU_BA_S;
+ alu->dst_len = (u8)((d64 >> off) & ICE_ALU_DL_M);
+ off = ICE_ALU_FEI_S - ICE_ALU_BA_S;
+ alu->flags_extr_imm = !!((d64 >> off) & ICE_ALU_FEI_M);
+ off = ICE_ALU_FSI_S - ICE_ALU_BA_S;
+ alu->flags_start_imm = (u8)((d64 >> off) & ICE_ALU_FSI_M);
+}
+
+/** The function parses a 384 bits IMEM entry with below format:
+ * BIT 0-3: Boost Main (ii->b_m)
+ * BIT 4-13: Boost Key Build (ii->b_kb)
+ * BIT 14-15: PG Priority (ii->pg)
+ * BIT 16-33: Next Proto Key Build (ii->np_kb)
+ * BIT 34-68: PG Key Build (ii->pg_kb)
+ * BIT 69-164: ALU0 (ii->alu0)
+ * BIT 165-260:ALU1 (ii->alu1)
+ * BIT 261-356:ALU2 (ii->alu2)
+ * BIT 357-383:Reserved
+ */
+static void _ice_imem_parse_item(struct ice_hw *hw, u16 idx, void *item,
+ void *data, int size)
+{
+ struct ice_imem_item *ii = item;
+ u8 *buf = (u8 *)data;
+ u8 idd, off;
+
+ ii->idx = idx;
+
+ _ice_imem_bm_init(&ii->b_m, *(u8 *)buf);
+
+ idd = ICE_IMEM_BKB_S / BITS_PER_BYTE;
+ off = ICE_IMEM_BKB_S % BITS_PER_BYTE;
+ _ice_imem_bkb_init(&ii->b_kb, *((u16 *)(&buf[idd])) >> off);
+
+ ii->pg_pri = (u8)((*(u16 *)buf >> ICE_IMEM_PGP_S) & ICE_IMEM_PGP_M);
+
+ idd = ICE_IMEM_NPKB_S / BITS_PER_BYTE;
+ off = ICE_IMEM_NPKB_S % BITS_PER_BYTE;
+ _ice_imem_npkb_init(&ii->np_kb, *((u32 *)(&buf[idd])) >> off);
+
+ idd = ICE_IMEM_PGKB_S / BITS_PER_BYTE;
+ off = ICE_IMEM_PGKB_S % BITS_PER_BYTE;
+ _ice_imem_pgkb_init(&ii->pg_kb, *((u64 *)(&buf[idd])) >> off);
+
+ idd = ICE_IMEM_ALU0_S / BITS_PER_BYTE;
+ off = ICE_IMEM_ALU0_S % BITS_PER_BYTE;
+ _ice_imem_alu_init(&ii->alu0, &buf[idd], off);
+
+ idd = ICE_IMEM_ALU1_S / BITS_PER_BYTE;
+ off = ICE_IMEM_ALU1_S % BITS_PER_BYTE;
+ _ice_imem_alu_init(&ii->alu1, &buf[idd], off);
+
+ idd = ICE_IMEM_ALU2_S / BITS_PER_BYTE;
+ off = ICE_IMEM_ALU2_S % BITS_PER_BYTE;
+ _ice_imem_alu_init(&ii->alu2, &buf[idd], off);
+
+ if (hw->debug_mask & ICE_DBG_PARSER)
+ ice_imem_dump(hw, ii);
+}
+
+/**
+ * ice_imem_table_get - create an imem table
+ * @hw: pointer to the hardware structure
+ */
+struct ice_imem_item *ice_imem_table_get(struct ice_hw *hw)
+{
+ return (struct ice_imem_item *)
+ ice_parser_create_table(hw, ICE_SID_RXPARSER_IMEM,
+ sizeof(struct ice_imem_item),
+ ICE_IMEM_TABLE_SIZE,
+ ice_parser_sect_item_get,
+ _ice_imem_parse_item);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_imem.h b/drivers/net/ethernet/intel/ice/ice_imem.h
new file mode 100644
index 000000000000..70b0555013a8
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_imem.h
@@ -0,0 +1,217 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2023 Intel Corporation */
+
+#ifndef _ICE_IMEM_H_
+#define _ICE_IMEM_H_
+
+#define ICE_IMEM_TABLE_SIZE 192
+
+#define ICE_BM_ALU0 BIT(0)
+#define ICE_BM_ALU1 BIT(1)
+#define ICE_BM_ALU2 BIT(2)
+#define ICE_BM_PG BIT(3)
+
+struct ice_bst_main {
+ bool alu0;
+ bool alu1;
+ bool alu2;
+ bool pg;
+};
+
+#define ICE_BKB_PRIO_S 0
+#define ICE_BKB_PRIO_M BITMAP_MASK(8)
+#define ICE_BKB_TSRC_S 8
+#define ICE_BKB_TSRC_M BITMAP_MASK(1)
+
+struct ice_bst_keybuilder {
+ u8 prio;
+ bool tsr_ctrl;
+};
+
+#define ICE_NPKB_HV_SIZE 8
+
+#define ICE_NPKB_OPC_S 0
+#define ICE_NPKB_OPC_M BITMAP_MASK(2)
+#define ICE_NPKB_SR0_S 2
+#define ICE_NPKB_SR0_M BITMAP_MASK(8)
+#define ICE_NPKB_LR1_S 10
+#define ICE_NPKB_LR1_M BITMAP_MASK(8)
+
+struct ice_np_keybuilder {
+ u8 opc;
+ u8 start_reg0;
+ u8 len_reg1;
+};
+
+enum ice_np_keybuilder_opcode {
+ ICE_NPKB_OPC_EXTRACT = 0,
+ ICE_NPKB_OPC_BUILD = 1,
+ ICE_NPKB_OPC_BYPASS = 2,
+};
+
+#define ICE_PGKB_F0E_S 0
+#define ICE_PGKB_F0E_M BITMAP_MASK(1)
+#define ICE_PGKB_F0I_S 1
+#define ICE_PGKB_F0I_M BITMAP_MASK(6)
+#define ICE_PGKB_F1E_S 7
+#define ICE_PGKB_F1E_M BITMAP_MASK(1)
+#define ICE_PGKB_F1I_S 8
+#define ICE_PGKB_F1I_M BITMAP_MASK(6)
+#define ICE_PGKB_F2E_S 14
+#define ICE_PGKB_F2E_M BITMAP_MASK(1)
+#define ICE_PGKB_F2I_S 15
+#define ICE_PGKB_F2I_M BITMAP_MASK(6)
+#define ICE_PGKB_F3E_S 21
+#define ICE_PGKB_F3E_M BITMAP_MASK(1)
+#define ICE_PGKB_F3I_S 22
+#define ICE_PGKB_F3I_M BITMAP_MASK(6)
+#define ICE_PGKB_ARI_S 28
+#define ICE_PGKB_ARI_M BITMAP_MASK(7)
+
+struct ice_pg_keybuilder {
+ bool flag0_ena;
+ bool flag1_ena;
+ bool flag2_ena;
+ bool flag3_ena;
+ u8 flag0_idx;
+ u8 flag1_idx;
+ u8 flag2_idx;
+ u8 flag3_idx;
+ u8 alu_reg_idx;
+};
+
+enum ice_alu_idx {
+ ICE_ALU0_IDX = 0,
+ ICE_ALU1_IDX = 1,
+ ICE_ALU2_IDX = 2,
+};
+
+enum ice_alu_opcode {
+ ICE_ALU_PARK = 0,
+ ICE_ALU_MOV_ADD = 1,
+ ICE_ALU_ADD = 2,
+ ICE_ALU_MOV_AND = 4,
+ ICE_ALU_AND = 5,
+ ICE_ALU_AND_IMM = 6,
+ ICE_ALU_MOV_OR = 7,
+ ICE_ALU_OR = 8,
+ ICE_ALU_MOV_XOR = 9,
+ ICE_ALU_XOR = 10,
+ ICE_ALU_NOP = 11,
+ ICE_ALU_BR = 12,
+ ICE_ALU_BREQ = 13,
+ ICE_ALU_BRNEQ = 14,
+ ICE_ALU_BRGT = 15,
+ ICE_ALU_BRLT = 16,
+ ICE_ALU_BRGEQ = 17,
+ ICE_ALU_BRLEG = 18,
+ ICE_ALU_SETEQ = 19,
+ ICE_ALU_ANDEQ = 20,
+ ICE_ALU_OREQ = 21,
+ ICE_ALU_SETNEQ = 22,
+ ICE_ALU_ANDNEQ = 23,
+ ICE_ALU_ORNEQ = 24,
+ ICE_ALU_SETGT = 25,
+ ICE_ALU_ANDGT = 26,
+ ICE_ALU_ORGT = 27,
+ ICE_ALU_SETLT = 28,
+ ICE_ALU_ANDLT = 29,
+ ICE_ALU_ORLT = 30,
+ ICE_ALU_MOV_SUB = 31,
+ ICE_ALU_SUB = 32,
+ ICE_ALU_INVALID = 64,
+};
+
+enum ice_proto_off_opcode {
+ ICE_PO_OFF_REMAIN = 0,
+ ICE_PO_OFF_HDR_ADD = 1,
+ ICE_PO_OFF_HDR_SUB = 2,
+};
+
+#define ICE_ALU_REG_SIZE 4
+
+#define ICE_ALU_OPC_S 0
+#define ICE_ALU_OPC_M BITMAP_MASK(6)
+#define ICE_ALU_SS_S 6
+#define ICE_ALU_SS_M BITMAP_MASK(8)
+#define ICE_ALU_SL_S 14
+#define ICE_ALU_SL_M BITMAP_MASK(5)
+#define ICE_ALU_SXS_S 19
+#define ICE_ALU_SXS_M BITMAP_MASK(1)
+#define ICE_ALU_SXK_S 20
+#define ICE_ALU_SXK_M BITMAP_MASK(4)
+#define ICE_ALU_SRI_S 24
+#define ICE_ALU_SRI_M BITMAP_MASK(7)
+#define ICE_ALU_DRI_S 31
+#define ICE_ALU_DRI_M BITMAP_MASK(7)
+#define ICE_ALU_INC0_S 38
+#define ICE_ALU_INC0_M BITMAP_MASK(1)
+#define ICE_ALU_INC1_S 39
+#define ICE_ALU_INC1_M BITMAP_MASK(1)
+#define ICE_ALU_POO_S 40
+#define ICE_ALU_POO_M BITMAP_MASK(2)
+#define ICE_ALU_PO_S 42
+#define ICE_ALU_PO_M BITMAP_MASK(8)
+#define ICE_ALU_BA_S 50
+#define ICE_ALU_BA_M BITMAP_MASK(8)
+#define ICE_ALU_IMM_S 58
+#define ICE_ALU_IMM_M BITMAP_MASK(16)
+#define ICE_ALU_DFE_S 74
+#define ICE_ALU_DFE_M BITMAP_MASK(1)
+#define ICE_ALU_DS_S 75
+#define ICE_ALU_DS_M BITMAP_MASK(6)
+#define ICE_ALU_DL_S 81
+#define ICE_ALU_DL_M BITMAP_MASK(6)
+#define ICE_ALU_FEI_S 87
+#define ICE_ALU_FEI_M BITMAP_MASK(1)
+#define ICE_ALU_FSI_S 88
+#define ICE_ALU_FSI_M BITMAP_MASK(8)
+
+struct ice_alu {
+ enum ice_alu_opcode opc;
+ u8 src_start;
+ u8 src_len;
+ bool shift_xlate_sel;
+ u8 shift_xlate_key;
+ u8 src_reg_id;
+ u8 dst_reg_id;
+ bool inc0;
+ bool inc1;
+ u8 proto_offset_opc;
+ u8 proto_offset;
+ u8 branch_addr;
+ u16 imm;
+ bool dedicate_flags_ena;
+ u8 dst_start;
+ u8 dst_len;
+ bool flags_extr_imm;
+ u8 flags_start_imm;
+};
+
+#define ICE_IMEM_BM_S 0
+#define ICE_IMEM_BM_M BITMAP_MASK(4)
+#define ICE_IMEM_BKB_S 4
+#define ICE_IMEM_BKB_M BITMAP_MASK(10)
+#define ICE_IMEM_PGP_S 14
+#define ICE_IMEM_PGP_M BITMAP_MASK(2)
+#define ICE_IMEM_NPKB_S 16
+#define ICE_IMEM_PGKB_S 34
+#define ICE_IMEM_ALU0_S 69
+#define ICE_IMEM_ALU1_S 165
+#define ICE_IMEM_ALU2_S 357
+
+struct ice_imem_item {
+ u16 idx;
+ struct ice_bst_main b_m;
+ struct ice_bst_keybuilder b_kb;
+ u8 pg_pri;
+ struct ice_np_keybuilder np_kb;
+ struct ice_pg_keybuilder pg_kb;
+ struct ice_alu alu0;
+ struct ice_alu alu1;
+ struct ice_alu alu2;
+};
+
+void ice_imem_dump(struct ice_hw *hw, struct ice_imem_item *item);
+struct ice_imem_item *ice_imem_table_get(struct ice_hw *hw);
+#endif /* _ICE_IMEM_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c
index 747dfad66db2..dd089c859616 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.c
+++ b/drivers/net/ethernet/intel/ice/ice_parser.c
@@ -2,6 +2,91 @@
/* Copyright (C) 2023 Intel Corporation */
#include "ice_common.h"
+#include "ice_parser_util.h"
+
+/**
+ * ice_parser_sect_item_get - parse a item from a section
+ * @sect_type: section type
+ * @section: section object
+ * @index: index of the item to get
+ * @offset: dummy as prototype of ice_pkg_enum_entry's last parameter
+ */
+void *ice_parser_sect_item_get(u32 sect_type, void *section,
+ u32 index, u32 *offset)
+{
+ size_t data_off = ICE_SEC_DATA_OFFSET;
+ struct ice_pkg_sect_hdr *hdr;
+ size_t size;
+
+ if (!section)
+ return NULL;
+
+ switch (sect_type) {
+ case ICE_SID_RXPARSER_IMEM:
+ size = ICE_SID_RXPARSER_IMEM_ENTRY_SIZE;
+ break;
+ default:
+ return NULL;
+ }
+
+ hdr = section;
+ if (index >= le16_to_cpu(hdr->count))
+ return NULL;
+
+ return (u8 *)section + data_off + index * size;
+}
+
+/**
+ * ice_parser_create_table - create a item table from a section
+ * @hw: pointer to the hardware structure
+ * @sect_type: section type
+ * @item_size: item size in byte
+ * @length: number of items in the table to create
+ * @item_get: the function will be parsed to ice_pkg_enum_entry
+ * @parse_item: the function to parse the item
+ */
+void *ice_parser_create_table(struct ice_hw *hw, u32 sect_type,
+ u32 item_size, u32 length,
+ void *(*item_get)(u32 sect_type, void *section,
+ u32 index, u32 *offset),
+ void (*parse_item)(struct ice_hw *hw, u16 idx,
+ void *item, void *data,
+ int size))
+{
+ struct ice_seg *seg = hw->seg;
+ struct ice_pkg_enum state;
+ u16 idx = U16_MAX;
+ void *table;
+ void *data;
+
+ if (!seg)
+ return NULL;
+
+ table = devm_kzalloc(ice_hw_to_dev(hw), item_size * length,
+ GFP_KERNEL);
+ if (!table)
+ return NULL;
+
+ memset(&state, 0, sizeof(state));
+ do {
+ data = ice_pkg_enum_entry(seg, &state, sect_type, NULL,
+ item_get);
+ seg = NULL;
+ if (data) {
+ struct ice_pkg_sect_hdr *hdr =
+ (struct ice_pkg_sect_hdr *)state.sect;
+
+ idx = le16_to_cpu(hdr->offset) + state.entry_idx;
+ parse_item(hw, idx,
+ (void *)((uintptr_t)table +
+ ((uintptr_t)idx *
+ (uintptr_t)item_size)),
+ data, item_size);
+ }
+ } while (data);
+
+ return table;
+}
/**
* ice_parser_create - create a parser instance
@@ -11,6 +96,7 @@
int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
{
struct ice_parser *p;
+ int status;
p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(struct ice_parser),
GFP_KERNEL);
@@ -19,8 +105,17 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
p->hw = hw;
+ p->imem_table = ice_imem_table_get(hw);
+ if (!p->imem_table) {
+ status = -EINVAL;
+ goto err;
+ }
+
*psr = p;
return 0;
+err:
+ ice_parser_destroy(p);
+ return status;
}
/**
@@ -29,5 +124,7 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
*/
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);
}
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h
index 85c470235e67..b63c27ec481d 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -4,8 +4,16 @@
#ifndef _ICE_PARSER_H_
#define _ICE_PARSER_H_
+#include "ice_imem.h"
+
+#define ICE_SEC_DATA_OFFSET 4
+#define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE 48
+
struct ice_parser {
struct ice_hw *hw; /* pointer to the hardware structure */
+
+ /* load data from section ICE_SID_RX_PARSER_IMEM */
+ struct ice_imem_item *imem_table;
};
int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr);
diff --git a/drivers/net/ethernet/intel/ice/ice_parser_util.h b/drivers/net/ethernet/intel/ice/ice_parser_util.h
new file mode 100644
index 000000000000..32371458b581
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_parser_util.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2023 Intel Corporation */
+
+#ifndef _ICE_PARSER_UTIL_H_
+#define _ICE_PARSER_UTIL_H_
+
+#include "ice_imem.h"
+
+struct ice_pkg_sect_hdr {
+ __le16 count;
+ __le16 offset;
+};
+
+void *ice_parser_sect_item_get(u32 sect_type, void *section,
+ u32 index, u32 *offset);
+
+void *ice_parser_create_table(struct ice_hw *hw, u32 sect_type,
+ u32 item_size, u32 length,
+ void *(*handler)(u32 sect_type, void *section,
+ u32 index, u32 *offset),
+ void (*parse_item)(struct ice_hw *hw, u16 idx,
+ void *item, void *data,
+ int size));
+#endif /* _ICE_PARSER_UTIL_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index a09556e57803..fa4336dd55f7 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -60,6 +60,7 @@ static inline u32 ice_round_to_num(u32 N, u32 R)
ICE_DBG_AQ_DESC | \
ICE_DBG_AQ_DESC_BUF | \
ICE_DBG_AQ_CMD)
+#define ICE_DBG_PARSER BIT_ULL(28)
#define ICE_DBG_USER BIT_ULL(31)
--
2.25.1
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