cc3f51e466
Add API ice_parser_dvm_set to support turn on/off parser's double vlan mode. Signed-off-by: Qi Zhang <qi.z.zhang@intel.com> Acked-by: Junfeng Guo <junfeng.guo@intel.com>
292 lines
9.2 KiB
C
292 lines
9.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2001-2021 Intel Corporation
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*/
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#include "ice_common.h"
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#include "ice_parser_util.h"
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#define ICE_BST_TCAM_TABLE_SIZE 256
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static void _bst_np_kb_dump(struct ice_hw *hw, struct ice_np_keybuilder *kb)
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{
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ice_info(hw, "next proto key builder:\n");
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ice_info(hw, "\tops = %d\n", kb->ops);
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ice_info(hw, "\tstart_or_reg0 = %d\n", kb->start_or_reg0);
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ice_info(hw, "\tlen_or_reg1 = %d\n", kb->len_or_reg1);
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}
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static void _bst_pg_kb_dump(struct ice_hw *hw, struct ice_pg_keybuilder *kb)
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{
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ice_info(hw, "parse graph key builder:\n");
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ice_info(hw, "\tflag0_ena = %d\n", kb->flag0_ena);
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ice_info(hw, "\tflag1_ena = %d\n", kb->flag1_ena);
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ice_info(hw, "\tflag2_ena = %d\n", kb->flag2_ena);
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ice_info(hw, "\tflag3_ena = %d\n", kb->flag3_ena);
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ice_info(hw, "\tflag0_idx = %d\n", kb->flag0_idx);
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ice_info(hw, "\tflag1_idx = %d\n", kb->flag1_idx);
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ice_info(hw, "\tflag2_idx = %d\n", kb->flag2_idx);
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ice_info(hw, "\tflag3_idx = %d\n", kb->flag3_idx);
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ice_info(hw, "\talu_reg_idx = %d\n", kb->alu_reg_idx);
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}
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static void _bst_alu_dump(struct ice_hw *hw, struct ice_alu *alu, int index)
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{
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ice_info(hw, "alu%d:\n", index);
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ice_info(hw, "\topc = %d\n", alu->opc);
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ice_info(hw, "\tsrc_start = %d\n", alu->src_start);
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ice_info(hw, "\tsrc_len = %d\n", alu->src_len);
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ice_info(hw, "\tshift_xlate_select = %d\n", alu->shift_xlate_select);
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ice_info(hw, "\tshift_xlate_key = %d\n", alu->shift_xlate_key);
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ice_info(hw, "\tsrc_reg_id = %d\n", alu->src_reg_id);
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ice_info(hw, "\tdst_reg_id = %d\n", alu->dst_reg_id);
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ice_info(hw, "\tinc0 = %d\n", alu->inc0);
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ice_info(hw, "\tinc1 = %d\n", alu->inc1);
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ice_info(hw, "\tproto_offset_opc = %d\n", alu->proto_offset_opc);
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ice_info(hw, "\tproto_offset = %d\n", alu->proto_offset);
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ice_info(hw, "\tbranch_addr = %d\n", alu->branch_addr);
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ice_info(hw, "\timm = %d\n", alu->imm);
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ice_info(hw, "\tdst_start = %d\n", alu->dst_start);
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ice_info(hw, "\tdst_len = %d\n", alu->dst_len);
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ice_info(hw, "\tflags_extr_imm = %d\n", alu->flags_extr_imm);
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ice_info(hw, "\tflags_start_imm= %d\n", alu->flags_start_imm);
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}
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/**
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* ice_bst_tcam_dump - dump a boost tcam info
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* @ice_hw: pointer to the hardware structure
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* @item: boost tcam to dump
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*/
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void ice_bst_tcam_dump(struct ice_hw *hw, struct ice_bst_tcam_item *item)
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{
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int i;
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ice_info(hw, "address = %d\n", item->address);
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ice_info(hw, "key :");
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for (i = 0; i < 20; i++)
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ice_info(hw, "%02x ", item->key[i]);
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ice_info(hw, "\n");
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ice_info(hw, "key_inv:");
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for (i = 0; i < 20; i++)
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ice_info(hw, "%02x ", item->key_inv[i]);
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ice_info(hw, "\n");
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ice_info(hw, "hit_idx_grp = %d\n", item->hit_idx_grp);
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ice_info(hw, "pg_pri = %d\n", item->pg_pri);
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_bst_np_kb_dump(hw, &item->np_kb);
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_bst_pg_kb_dump(hw, &item->pg_kb);
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_bst_alu_dump(hw, &item->alu0, 0);
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_bst_alu_dump(hw, &item->alu1, 1);
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_bst_alu_dump(hw, &item->alu2, 2);
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}
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/** The function parses a 96 bits ALU entry with below format:
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* BIT 0-5: Opcode (alu->opc)
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* BIT 6-13: Source Start (alu->src_start)
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* BIT 14-18: Source Length (alu->src_len)
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* BIT 19: Shift/Xlate Select (alu->shift_xlate_select)
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* BIT 20-23: Shift/Xlate Key (alu->shift_xlate_key)
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* BIT 24-30: Source Register ID (alu->src_reg_id)
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* BIT 31-37: Dest. Register ID (alu->dst_reg_id)
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* BIT 38: Inc0 (alu->inc0)
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* BIT 39: Inc1:(alu->inc1)
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* BIT 40:41 Protocol Offset Opcode (alu->proto_offset_opc)
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* BIT 42:49 Protocol Offset (alu->proto_offset)
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* BIT 50:57 Branch Address (alu->branch_addr)
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* BIT 58:73 Immediate (alu->imm)
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* BIT 74 Dedicated Flags Enable (alu->dedicate_flags_ena)
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* BIT 75:80 Dest. Start (alu->dst_start)
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* BIT 81:86 Dest. Length (alu->dst_len)
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* BIT 87 Flags Extract Imm. (alu->flags_extr_imm)
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* BIT 88:95 Flags Start/Immediate (alu->flags_start_imm)
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*
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* NOTE: the first 7 bits are skipped as the start bit is not
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* byte aligned.
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*/
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static void _bst_alu_init(struct ice_alu *alu, u8 *data)
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{
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u64 d64 = *(u64 *)data >> 7;
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alu->opc = (enum ice_alu_opcode)(d64 & 0x3f);
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alu->src_start = (u8)((d64 >> 6) & 0xff);
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alu->src_len = (u8)((d64 >> 14) & 0x1f);
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alu->shift_xlate_select = ((d64 >> 19) & 0x1) != 0;
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alu->shift_xlate_key = (u8)((d64 >> 20) & 0xf);
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alu->src_reg_id = (u8)((d64 >> 24) & 0x7f);
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alu->dst_reg_id = (u8)((d64 >> 31) & 0x7f);
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alu->inc0 = ((d64 >> 38) & 0x1) != 0;
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alu->inc1 = ((d64 >> 39) & 0x1) != 0;
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alu->proto_offset_opc = (u8)((d64 >> 40) & 0x3);
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alu->proto_offset = (u8)((d64 >> 42) & 0xff);
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d64 = *(u64 *)(&data[6]) >> 9;
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alu->branch_addr = (u8)(d64 & 0xff);
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alu->imm = (u16)((d64 >> 8) & 0xffff);
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alu->dedicate_flags_ena = ((d64 >> 24) & 0x1) != 0;
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alu->dst_start = (u8)((d64 >> 25) & 0x3f);
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alu->dst_len = (u8)((d64 >> 31) & 0x3f);
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alu->flags_extr_imm = ((d64 >> 37) & 0x1) != 0;
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alu->flags_start_imm = (u8)((d64 >> 38) & 0xff);
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}
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/** The function parses a 35 bits Parse Graph Key Build with below format:
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* BIT 0: Flag 0 Enable (kb->flag0_ena)
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* BIT 1-6: Flag 0 Index (kb->flag0_idx)
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* BIT 7: Flag 1 Enable (kb->flag1_ena)
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* BIT 8-13: Flag 1 Index (kb->flag1_idx)
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* BIT 14: Flag 2 Enable (kb->flag2_ena)
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* BIT 15-20: Flag 2 Index (kb->flag2_idx)
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* BIT 21: Flag 3 Enable (kb->flag3_ena)
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* BIT 22-27: Flag 3 Index (kb->flag3_idx)
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* BIT 28-34: ALU Register Index (kb->alu_reg_idx)
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*/
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static void _bst_pgkb_init(struct ice_pg_keybuilder *kb, u64 data)
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{
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kb->flag0_ena = (data & 0x1) != 0;
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kb->flag0_idx = (u8)((data >> 1) & 0x3f);
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kb->flag1_ena = ((data >> 7) & 0x1) != 0;
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kb->flag1_idx = (u8)((data >> 8) & 0x3f);
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kb->flag2_ena = ((data >> 14) & 0x1) != 0;
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kb->flag2_idx = (u8)((data >> 15) & 0x3f);
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kb->flag3_ena = ((data >> 21) & 0x1) != 0;
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kb->flag3_idx = (u8)((data >> 22) & 0x3f);
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kb->alu_reg_idx = (u8)((data >> 28) & 0x7f);
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}
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/** The function parses a 18 bits Next Protocol Key Build with below format:
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* BIT 0-1: Opcode kb->ops
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* BIT 2-9: Start / Reg 0 (kb->start_or_reg0)
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* BIT 10-17: Length / Reg 1 (kb->len_or_reg1)
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*/
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static void _bst_npkb_init(struct ice_np_keybuilder *kb, u32 data)
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{
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kb->ops = (u8)(data & 0x3);
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kb->start_or_reg0 = (u8)((data >> 2) & 0xff);
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kb->len_or_reg1 = (u8)((data >> 10) & 0xff);
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}
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/** The function parses a 704 bits Boost TCAM entry with below format:
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* BIT 0-15: Address (ti->address)
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* BIT 16-31: reserved
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* BIT 32-191: Key (ti->key)
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* BIT 192-351:Key Invert (ti->key_inv)
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* BIT 352-359:Boost Hit Index Group (ti->hit_idx_grp)
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* BIT 360-361:PG Priority (ti->pg_pri)
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* BIT 362-379:Next Proto Key Build (ti->np_kb)
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* BIT 380-414:PG Key Build (ti->pg_kb)
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* BIT 415-510:ALU 0 (ti->alu0)
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* BIT 511-606:ALU 1 (ti->alu1)
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* BIT 607-702:ALU 2 (ti->alu2)
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* BIT 703: reserved
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*/
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static void _bst_parse_item(struct ice_hw *hw, u16 idx, void *item,
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void *data, int size)
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{
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struct ice_bst_tcam_item *ti = (struct ice_bst_tcam_item *)item;
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u8 *buf = (u8 *)data;
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int i;
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ti->address = *(u16 *)buf;
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for (i = 0; i < 20; i++)
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ti->key[i] = buf[4 + i];
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for (i = 0; i < 20; i++)
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ti->key_inv[i] = buf[24 + i];
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ti->hit_idx_grp = buf[44];
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ti->pg_pri = buf[45] & 0x3;
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_bst_npkb_init(&ti->np_kb, *(u32 *)&buf[45] >> 2);
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_bst_pgkb_init(&ti->pg_kb, *(u64 *)&buf[47] >> 4);
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_bst_alu_init(&ti->alu0, &buf[51]);
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_bst_alu_init(&ti->alu1, &buf[63]);
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_bst_alu_init(&ti->alu2, &buf[75]);
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if (hw->debug_mask & ICE_DBG_PARSER)
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ice_bst_tcam_dump(hw, ti);
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}
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/**
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* ice_bst_tcam_table_get - create a boost tcam table
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* @ice_hw: pointer to the hardware structure
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*/
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struct ice_bst_tcam_item *ice_bst_tcam_table_get(struct ice_hw *hw)
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{
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return (struct ice_bst_tcam_item *)
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ice_parser_create_table(hw, ICE_SID_RXPARSER_BOOST_TCAM,
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sizeof(struct ice_bst_tcam_item),
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ICE_BST_TCAM_TABLE_SIZE,
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ice_parser_sect_item_get,
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_bst_parse_item, true);
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}
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static void _parse_lbl_item(struct ice_hw *hw, u16 idx, void *item,
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void *data, int size)
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{
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ice_parse_item_dflt(hw, idx, item, data, size);
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if (hw->debug_mask & ICE_DBG_PARSER)
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ice_lbl_dump(hw, (struct ice_lbl_item *)item);
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}
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/**
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* ice_bst_lbl_table_get - create a boost label table
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* @ice_hw: pointer to the hardware structure
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*/
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struct ice_lbl_item *ice_bst_lbl_table_get(struct ice_hw *hw)
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{
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return (struct ice_lbl_item *)
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ice_parser_create_table(hw, ICE_SID_LBL_RXPARSER_TMEM,
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sizeof(struct ice_lbl_item),
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ICE_BST_TCAM_TABLE_SIZE,
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ice_parser_sect_item_get,
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_parse_lbl_item, true);
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}
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/**
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* ice_bst_tcam_match - match a pattern on the boost tcam table
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* @tcam_table: boost tcam table to search
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* @pat: pattern to match
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*/
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struct ice_bst_tcam_item *
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ice_bst_tcam_match(struct ice_bst_tcam_item *tcam_table, u8 *pat)
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{
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int i;
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for (i = 0; i < ICE_BST_TCAM_TABLE_SIZE; i++) {
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struct ice_bst_tcam_item *item = &tcam_table[i];
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if (item->hit_idx_grp == 0)
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continue;
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if (ice_ternary_match(item->key, item->key_inv, pat, 20))
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return item;
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}
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return NULL;
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}
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static bool _start_with(const char *prefix, const char *string)
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{
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int len1 = strlen(prefix);
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int len2 = strlen(string);
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if (len2 < len1)
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return false;
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return !memcmp(prefix, string, len1);
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}
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struct ice_bst_tcam_item *
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ice_bst_tcam_search(struct ice_bst_tcam_item *tcam_table,
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struct ice_lbl_item *lbl_table,
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const char *prefix, u16 *start)
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{
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u16 i = *start;
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for (; i < ICE_BST_TCAM_TABLE_SIZE; i++) {
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if (_start_with(prefix, lbl_table[i].label)) {
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*start = i;
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return &tcam_table[lbl_table[i].idx];
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}
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}
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return NULL;
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}
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