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JustOS/linux-6.13/drivers/net/ethernet/intel/ice/ice_parser.c
justuser 02e73b8cd9 up
2025-01-24 17:00:19 +03:00

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// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2024 Intel Corporation */
#include "ice_common.h"
struct ice_pkg_sect_hdr {
__le16 count;
__le16 offset;
};
/**
* ice_parser_sect_item_get - parse an 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
*
* Return: a pointer to the item or NULL.
*/
static void *ice_parser_sect_item_get(u32 sect_type, void *section,
u32 index, u32 __maybe_unused *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;
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;
case ICE_SID_RXPARSER_BOOST_TCAM:
size = ICE_SID_RXPARSER_BOOST_TCAM_ENTRY_SIZE;
break;
case ICE_SID_LBL_RXPARSER_TMEM:
data_off = ICE_SEC_LBL_DATA_OFFSET;
size = ICE_SID_LBL_ENTRY_SIZE;
break;
case ICE_SID_RXPARSER_MARKER_PTYPE:
size = ICE_SID_RXPARSER_MARKER_TYPE_ENTRY_SIZE;
break;
case ICE_SID_RXPARSER_MARKER_GRP:
size = ICE_SID_RXPARSER_MARKER_GRP_ENTRY_SIZE;
break;
case ICE_SID_RXPARSER_PROTO_GRP:
size = ICE_SID_RXPARSER_PROTO_GRP_ENTRY_SIZE;
break;
case ICE_SID_RXPARSER_FLAG_REDIR:
size = ICE_SID_RXPARSER_FLAG_REDIR_ENTRY_SIZE;
break;
default:
return NULL;
}
hdr = section;
if (index >= le16_to_cpu(hdr->count))
return NULL;
return section + data_off + index * size;
}
/**
* ice_parser_create_table - create an item table from a section
* @hw: pointer to the hardware structure
* @sect_type: section type
* @item_size: item size in bytes
* @length: number of items in the table to create
* @parse_item: the function to parse the item
* @no_offset: ignore header offset, calculate index from 0
*
* Return: a pointer to the allocated table or ERR_PTR.
*/
static void *
ice_parser_create_table(struct ice_hw *hw, u32 sect_type,
u32 item_size, u32 length,
void (*parse_item)(struct ice_hw *hw, u16 idx,
void *item, void *data,
int size), bool no_offset)
{
struct ice_pkg_enum state = {};
struct ice_seg *seg = hw->seg;
void *table, *data, *item;
u16 idx = 0;
if (!seg)
return ERR_PTR(-EINVAL);
table = kzalloc(item_size * length, GFP_KERNEL);
if (!table)
return ERR_PTR(-ENOMEM);
do {
data = ice_pkg_enum_entry(seg, &state, sect_type, NULL,
ice_parser_sect_item_get);
seg = NULL;
if (data) {
struct ice_pkg_sect_hdr *hdr = state.sect;
if (!no_offset)
idx = le16_to_cpu(hdr->offset) +
state.entry_idx;
item = (void *)((uintptr_t)table + idx * item_size);
parse_item(hw, idx, item, data, item_size);
if (no_offset)
idx++;
}
} while (data);
return table;
}
/*** ICE_SID_RXPARSER_IMEM section ***/
static void ice_imem_bst_bm_dump(struct ice_hw *hw, struct ice_bst_main *bm)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "boost main:\n");
dev_info(dev, "\talu0 = %d\n", bm->alu0);
dev_info(dev, "\talu1 = %d\n", bm->alu1);
dev_info(dev, "\talu2 = %d\n", bm->alu2);
dev_info(dev, "\tpg = %d\n", bm->pg);
}
static void ice_imem_bst_kb_dump(struct ice_hw *hw,
struct ice_bst_keybuilder *kb)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "boost key builder:\n");
dev_info(dev, "\tpriority = %d\n", kb->prio);
dev_info(dev, "\ttsr_ctrl = %d\n", kb->tsr_ctrl);
}
static void ice_imem_np_kb_dump(struct ice_hw *hw,
struct ice_np_keybuilder *kb)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "next proto key builder:\n");
dev_info(dev, "\topc = %d\n", kb->opc);
dev_info(dev, "\tstart_or_reg0 = %d\n", kb->start_reg0);
dev_info(dev, "\tlen_or_reg1 = %d\n", kb->len_reg1);
}
static void ice_imem_pg_kb_dump(struct ice_hw *hw,
struct ice_pg_keybuilder *kb)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "parse graph key builder:\n");
dev_info(dev, "\tflag0_ena = %d\n", kb->flag0_ena);
dev_info(dev, "\tflag1_ena = %d\n", kb->flag1_ena);
dev_info(dev, "\tflag2_ena = %d\n", kb->flag2_ena);
dev_info(dev, "\tflag3_ena = %d\n", kb->flag3_ena);
dev_info(dev, "\tflag0_idx = %d\n", kb->flag0_idx);
dev_info(dev, "\tflag1_idx = %d\n", kb->flag1_idx);
dev_info(dev, "\tflag2_idx = %d\n", kb->flag2_idx);
dev_info(dev, "\tflag3_idx = %d\n", kb->flag3_idx);
dev_info(dev, "\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)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "alu%d:\n", index);
dev_info(dev, "\topc = %d\n", alu->opc);
dev_info(dev, "\tsrc_start = %d\n", alu->src_start);
dev_info(dev, "\tsrc_len = %d\n", alu->src_len);
dev_info(dev, "\tshift_xlate_sel = %d\n", alu->shift_xlate_sel);
dev_info(dev, "\tshift_xlate_key = %d\n", alu->shift_xlate_key);
dev_info(dev, "\tsrc_reg_id = %d\n", alu->src_reg_id);
dev_info(dev, "\tdst_reg_id = %d\n", alu->dst_reg_id);
dev_info(dev, "\tinc0 = %d\n", alu->inc0);
dev_info(dev, "\tinc1 = %d\n", alu->inc1);
dev_info(dev, "\tproto_offset_opc = %d\n", alu->proto_offset_opc);
dev_info(dev, "\tproto_offset = %d\n", alu->proto_offset);
dev_info(dev, "\tbranch_addr = %d\n", alu->branch_addr);
dev_info(dev, "\timm = %d\n", alu->imm);
dev_info(dev, "\tdst_start = %d\n", alu->dst_start);
dev_info(dev, "\tdst_len = %d\n", alu->dst_len);
dev_info(dev, "\tflags_extr_imm = %d\n", alu->flags_extr_imm);
dev_info(dev, "\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
*/
static void ice_imem_dump(struct ice_hw *hw, struct ice_imem_item *item)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "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(dev, "pg priority = %d\n", item->pg_prio);
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);
}
#define ICE_IM_BM_ALU0 BIT(0)
#define ICE_IM_BM_ALU1 BIT(1)
#define ICE_IM_BM_ALU2 BIT(2)
#define ICE_IM_BM_PG BIT(3)
/**
* ice_imem_bm_init - parse 4 bits of Boost Main
* @bm: pointer to the Boost Main structure
* @data: Boost Main data to be parsed
*/
static void ice_imem_bm_init(struct ice_bst_main *bm, u8 data)
{
bm->alu0 = FIELD_GET(ICE_IM_BM_ALU0, data);
bm->alu1 = FIELD_GET(ICE_IM_BM_ALU1, data);
bm->alu2 = FIELD_GET(ICE_IM_BM_ALU2, data);
bm->pg = FIELD_GET(ICE_IM_BM_PG, data);
}
#define ICE_IM_BKB_PRIO GENMASK(7, 0)
#define ICE_IM_BKB_TSR_CTRL BIT(8)
/**
* ice_imem_bkb_init - parse 10 bits of Boost Main Build
* @bkb: pointer to the Boost Main Build structure
* @data: Boost Main Build data to be parsed
*/
static void ice_imem_bkb_init(struct ice_bst_keybuilder *bkb, u16 data)
{
bkb->prio = FIELD_GET(ICE_IM_BKB_PRIO, data);
bkb->tsr_ctrl = FIELD_GET(ICE_IM_BKB_TSR_CTRL, data);
}
#define ICE_IM_NPKB_OPC GENMASK(1, 0)
#define ICE_IM_NPKB_S_R0 GENMASK(9, 2)
#define ICE_IM_NPKB_L_R1 GENMASK(17, 10)
/**
* ice_imem_npkb_init - parse 18 bits of Next Protocol Key Build
* @kb: pointer to the Next Protocol Key Build structure
* @data: Next Protocol Key Build data to be parsed
*/
static void ice_imem_npkb_init(struct ice_np_keybuilder *kb, u32 data)
{
kb->opc = FIELD_GET(ICE_IM_NPKB_OPC, data);
kb->start_reg0 = FIELD_GET(ICE_IM_NPKB_S_R0, data);
kb->len_reg1 = FIELD_GET(ICE_IM_NPKB_L_R1, data);
}
#define ICE_IM_PGKB_F0_ENA BIT_ULL(0)
#define ICE_IM_PGKB_F0_IDX GENMASK_ULL(6, 1)
#define ICE_IM_PGKB_F1_ENA BIT_ULL(7)
#define ICE_IM_PGKB_F1_IDX GENMASK_ULL(13, 8)
#define ICE_IM_PGKB_F2_ENA BIT_ULL(14)
#define ICE_IM_PGKB_F2_IDX GENMASK_ULL(20, 15)
#define ICE_IM_PGKB_F3_ENA BIT_ULL(21)
#define ICE_IM_PGKB_F3_IDX GENMASK_ULL(27, 22)
#define ICE_IM_PGKB_AR_IDX GENMASK_ULL(34, 28)
/**
* ice_imem_pgkb_init - parse 35 bits of Parse Graph Key Build
* @kb: pointer to the Parse Graph Key Build structure
* @data: Parse Graph Key Build data to be parsed
*/
static void ice_imem_pgkb_init(struct ice_pg_keybuilder *kb, u64 data)
{
kb->flag0_ena = FIELD_GET(ICE_IM_PGKB_F0_ENA, data);
kb->flag0_idx = FIELD_GET(ICE_IM_PGKB_F0_IDX, data);
kb->flag1_ena = FIELD_GET(ICE_IM_PGKB_F1_ENA, data);
kb->flag1_idx = FIELD_GET(ICE_IM_PGKB_F1_IDX, data);
kb->flag2_ena = FIELD_GET(ICE_IM_PGKB_F2_ENA, data);
kb->flag2_idx = FIELD_GET(ICE_IM_PGKB_F2_IDX, data);
kb->flag3_ena = FIELD_GET(ICE_IM_PGKB_F3_ENA, data);
kb->flag3_idx = FIELD_GET(ICE_IM_PGKB_F3_IDX, data);
kb->alu_reg_idx = FIELD_GET(ICE_IM_PGKB_AR_IDX, data);
}
#define ICE_IM_ALU_OPC GENMASK_ULL(5, 0)
#define ICE_IM_ALU_SS GENMASK_ULL(13, 6)
#define ICE_IM_ALU_SL GENMASK_ULL(18, 14)
#define ICE_IM_ALU_SXS BIT_ULL(19)
#define ICE_IM_ALU_SXK GENMASK_ULL(23, 20)
#define ICE_IM_ALU_SRID GENMASK_ULL(30, 24)
#define ICE_IM_ALU_DRID GENMASK_ULL(37, 31)
#define ICE_IM_ALU_INC0 BIT_ULL(38)
#define ICE_IM_ALU_INC1 BIT_ULL(39)
#define ICE_IM_ALU_POO GENMASK_ULL(41, 40)
#define ICE_IM_ALU_PO GENMASK_ULL(49, 42)
#define ICE_IM_ALU_BA_S 50 /* offset for the 2nd 64-bits field */
#define ICE_IM_ALU_BA GENMASK_ULL(57 - ICE_IM_ALU_BA_S, \
50 - ICE_IM_ALU_BA_S)
#define ICE_IM_ALU_IMM GENMASK_ULL(73 - ICE_IM_ALU_BA_S, \
58 - ICE_IM_ALU_BA_S)
#define ICE_IM_ALU_DFE BIT_ULL(74 - ICE_IM_ALU_BA_S)
#define ICE_IM_ALU_DS GENMASK_ULL(80 - ICE_IM_ALU_BA_S, \
75 - ICE_IM_ALU_BA_S)
#define ICE_IM_ALU_DL GENMASK_ULL(86 - ICE_IM_ALU_BA_S, \
81 - ICE_IM_ALU_BA_S)
#define ICE_IM_ALU_FEI BIT_ULL(87 - ICE_IM_ALU_BA_S)
#define ICE_IM_ALU_FSI GENMASK_ULL(95 - ICE_IM_ALU_BA_S, \
88 - ICE_IM_ALU_BA_S)
/**
* ice_imem_alu_init - parse 96 bits of ALU entry
* @alu: pointer to the ALU entry structure
* @data: ALU entry data to be parsed
* @off: offset of the ALU entry data
*/
static void ice_imem_alu_init(struct ice_alu *alu, u8 *data, u8 off)
{
u64 d64;
u8 idd;
d64 = *((u64 *)data) >> off;
alu->opc = FIELD_GET(ICE_IM_ALU_OPC, d64);
alu->src_start = FIELD_GET(ICE_IM_ALU_SS, d64);
alu->src_len = FIELD_GET(ICE_IM_ALU_SL, d64);
alu->shift_xlate_sel = FIELD_GET(ICE_IM_ALU_SXS, d64);
alu->shift_xlate_key = FIELD_GET(ICE_IM_ALU_SXK, d64);
alu->src_reg_id = FIELD_GET(ICE_IM_ALU_SRID, d64);
alu->dst_reg_id = FIELD_GET(ICE_IM_ALU_DRID, d64);
alu->inc0 = FIELD_GET(ICE_IM_ALU_INC0, d64);
alu->inc1 = FIELD_GET(ICE_IM_ALU_INC1, d64);
alu->proto_offset_opc = FIELD_GET(ICE_IM_ALU_POO, d64);
alu->proto_offset = FIELD_GET(ICE_IM_ALU_PO, d64);
idd = (ICE_IM_ALU_BA_S + off) / BITS_PER_BYTE;
off = (ICE_IM_ALU_BA_S + off) % BITS_PER_BYTE;
d64 = *((u64 *)(&data[idd])) >> off;
alu->branch_addr = FIELD_GET(ICE_IM_ALU_BA, d64);
alu->imm = FIELD_GET(ICE_IM_ALU_IMM, d64);
alu->dedicate_flags_ena = FIELD_GET(ICE_IM_ALU_DFE, d64);
alu->dst_start = FIELD_GET(ICE_IM_ALU_DS, d64);
alu->dst_len = FIELD_GET(ICE_IM_ALU_DL, d64);
alu->flags_extr_imm = FIELD_GET(ICE_IM_ALU_FEI, d64);
alu->flags_start_imm = FIELD_GET(ICE_IM_ALU_FSI, d64);
}
#define ICE_IMEM_BM_S 0
#define ICE_IMEM_BKB_S 4
#define ICE_IMEM_BKB_IDD (ICE_IMEM_BKB_S / BITS_PER_BYTE)
#define ICE_IMEM_BKB_OFF (ICE_IMEM_BKB_S % BITS_PER_BYTE)
#define ICE_IMEM_PGP GENMASK(15, 14)
#define ICE_IMEM_NPKB_S 16
#define ICE_IMEM_NPKB_IDD (ICE_IMEM_NPKB_S / BITS_PER_BYTE)
#define ICE_IMEM_NPKB_OFF (ICE_IMEM_NPKB_S % BITS_PER_BYTE)
#define ICE_IMEM_PGKB_S 34
#define ICE_IMEM_PGKB_IDD (ICE_IMEM_PGKB_S / BITS_PER_BYTE)
#define ICE_IMEM_PGKB_OFF (ICE_IMEM_PGKB_S % BITS_PER_BYTE)
#define ICE_IMEM_ALU0_S 69
#define ICE_IMEM_ALU0_IDD (ICE_IMEM_ALU0_S / BITS_PER_BYTE)
#define ICE_IMEM_ALU0_OFF (ICE_IMEM_ALU0_S % BITS_PER_BYTE)
#define ICE_IMEM_ALU1_S 165
#define ICE_IMEM_ALU1_IDD (ICE_IMEM_ALU1_S / BITS_PER_BYTE)
#define ICE_IMEM_ALU1_OFF (ICE_IMEM_ALU1_S % BITS_PER_BYTE)
#define ICE_IMEM_ALU2_S 357
#define ICE_IMEM_ALU2_IDD (ICE_IMEM_ALU2_S / BITS_PER_BYTE)
#define ICE_IMEM_ALU2_OFF (ICE_IMEM_ALU2_S % BITS_PER_BYTE)
/**
* ice_imem_parse_item - parse 384 bits of IMEM entry
* @hw: pointer to the hardware structure
* @idx: index of IMEM entry
* @item: item of IMEM entry
* @data: IMEM entry data to be parsed
* @size: size of IMEM entry
*/
static void ice_imem_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_imem_item *ii = item;
u8 *buf = data;
ii->idx = idx;
ice_imem_bm_init(&ii->b_m, *(u8 *)buf);
ice_imem_bkb_init(&ii->b_kb,
*((u16 *)(&buf[ICE_IMEM_BKB_IDD])) >>
ICE_IMEM_BKB_OFF);
ii->pg_prio = FIELD_GET(ICE_IMEM_PGP, *(u16 *)buf);
ice_imem_npkb_init(&ii->np_kb,
*((u32 *)(&buf[ICE_IMEM_NPKB_IDD])) >>
ICE_IMEM_NPKB_OFF);
ice_imem_pgkb_init(&ii->pg_kb,
*((u64 *)(&buf[ICE_IMEM_PGKB_IDD])) >>
ICE_IMEM_PGKB_OFF);
ice_imem_alu_init(&ii->alu0,
&buf[ICE_IMEM_ALU0_IDD],
ICE_IMEM_ALU0_OFF);
ice_imem_alu_init(&ii->alu1,
&buf[ICE_IMEM_ALU1_IDD],
ICE_IMEM_ALU1_OFF);
ice_imem_alu_init(&ii->alu2,
&buf[ICE_IMEM_ALU2_IDD],
ICE_IMEM_ALU2_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
*
* Return: a pointer to the allocated IMEM table.
*/
static struct ice_imem_item *ice_imem_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_IMEM,
sizeof(struct ice_imem_item),
ICE_IMEM_TABLE_SIZE,
ice_imem_parse_item, false);
}
/*** ICE_SID_RXPARSER_METADATA_INIT section ***/
/**
* ice_metainit_dump - dump an metainit item info
* @hw: pointer to the hardware structure
* @item: metainit item to dump
*/
static void ice_metainit_dump(struct ice_hw *hw, struct ice_metainit_item *item)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "index = %d\n", item->idx);
dev_info(dev, "tsr = %d\n", item->tsr);
dev_info(dev, "ho = %d\n", item->ho);
dev_info(dev, "pc = %d\n", item->pc);
dev_info(dev, "pg_rn = %d\n", item->pg_rn);
dev_info(dev, "cd = %d\n", item->cd);
dev_info(dev, "gpr_a_ctrl = %d\n", item->gpr_a_ctrl);
dev_info(dev, "gpr_a_data_mdid = %d\n", item->gpr_a_data_mdid);
dev_info(dev, "gpr_a_data_start = %d\n", item->gpr_a_data_start);
dev_info(dev, "gpr_a_data_len = %d\n", item->gpr_a_data_len);
dev_info(dev, "gpr_a_id = %d\n", item->gpr_a_id);
dev_info(dev, "gpr_b_ctrl = %d\n", item->gpr_b_ctrl);
dev_info(dev, "gpr_b_data_mdid = %d\n", item->gpr_b_data_mdid);
dev_info(dev, "gpr_b_data_start = %d\n", item->gpr_b_data_start);
dev_info(dev, "gpr_b_data_len = %d\n", item->gpr_b_data_len);
dev_info(dev, "gpr_b_id = %d\n", item->gpr_b_id);
dev_info(dev, "gpr_c_ctrl = %d\n", item->gpr_c_ctrl);
dev_info(dev, "gpr_c_data_mdid = %d\n", item->gpr_c_data_mdid);
dev_info(dev, "gpr_c_data_start = %d\n", item->gpr_c_data_start);
dev_info(dev, "gpr_c_data_len = %d\n", item->gpr_c_data_len);
dev_info(dev, "gpr_c_id = %d\n", item->gpr_c_id);
dev_info(dev, "gpr_d_ctrl = %d\n", item->gpr_d_ctrl);
dev_info(dev, "gpr_d_data_mdid = %d\n", item->gpr_d_data_mdid);
dev_info(dev, "gpr_d_data_start = %d\n", item->gpr_d_data_start);
dev_info(dev, "gpr_d_data_len = %d\n", item->gpr_d_data_len);
dev_info(dev, "gpr_d_id = %d\n", item->gpr_d_id);
dev_info(dev, "flags = 0x%llx\n", (unsigned long long)(item->flags));
}
#define ICE_MI_TSR GENMASK_ULL(7, 0)
#define ICE_MI_HO GENMASK_ULL(16, 8)
#define ICE_MI_PC GENMASK_ULL(24, 17)
#define ICE_MI_PGRN GENMASK_ULL(35, 25)
#define ICE_MI_CD GENMASK_ULL(38, 36)
#define ICE_MI_GAC BIT_ULL(39)
#define ICE_MI_GADM GENMASK_ULL(44, 40)
#define ICE_MI_GADS GENMASK_ULL(48, 45)
#define ICE_MI_GADL GENMASK_ULL(53, 49)
#define ICE_MI_GAI GENMASK_ULL(59, 56)
#define ICE_MI_GBC BIT_ULL(60)
#define ICE_MI_GBDM_S 61 /* offset for the 2nd 64-bits field */
#define ICE_MI_GBDM_IDD (ICE_MI_GBDM_S / BITS_PER_BYTE)
#define ICE_MI_GBDM_OFF (ICE_MI_GBDM_S % BITS_PER_BYTE)
#define ICE_MI_GBDM_GENMASK_ULL(high, low) \
GENMASK_ULL((high) - ICE_MI_GBDM_S, (low) - ICE_MI_GBDM_S)
#define ICE_MI_GBDM ICE_MI_GBDM_GENMASK_ULL(65, 61)
#define ICE_MI_GBDS ICE_MI_GBDM_GENMASK_ULL(69, 66)
#define ICE_MI_GBDL ICE_MI_GBDM_GENMASK_ULL(74, 70)
#define ICE_MI_GBI ICE_MI_GBDM_GENMASK_ULL(80, 77)
#define ICE_MI_GCC BIT_ULL(81 - ICE_MI_GBDM_S)
#define ICE_MI_GCDM ICE_MI_GBDM_GENMASK_ULL(86, 82)
#define ICE_MI_GCDS ICE_MI_GBDM_GENMASK_ULL(90, 87)
#define ICE_MI_GCDL ICE_MI_GBDM_GENMASK_ULL(95, 91)
#define ICE_MI_GCI ICE_MI_GBDM_GENMASK_ULL(101, 98)
#define ICE_MI_GDC BIT_ULL(102 - ICE_MI_GBDM_S)
#define ICE_MI_GDDM ICE_MI_GBDM_GENMASK_ULL(107, 103)
#define ICE_MI_GDDS ICE_MI_GBDM_GENMASK_ULL(111, 108)
#define ICE_MI_GDDL ICE_MI_GBDM_GENMASK_ULL(116, 112)
#define ICE_MI_GDI ICE_MI_GBDM_GENMASK_ULL(122, 119)
#define ICE_MI_FLAG_S 123 /* offset for the 3rd 64-bits field */
#define ICE_MI_FLAG_IDD (ICE_MI_FLAG_S / BITS_PER_BYTE)
#define ICE_MI_FLAG_OFF (ICE_MI_FLAG_S % BITS_PER_BYTE)
#define ICE_MI_FLAG GENMASK_ULL(186 - ICE_MI_FLAG_S, \
123 - ICE_MI_FLAG_S)
/**
* ice_metainit_parse_item - parse 192 bits of Metadata Init entry
* @hw: pointer to the hardware structure
* @idx: index of Metadata Init entry
* @item: item of Metadata Init entry
* @data: Metadata Init entry data to be parsed
* @size: size of Metadata Init entry
*/
static void ice_metainit_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_metainit_item *mi = item;
u8 *buf = data;
u64 d64;
mi->idx = idx;
d64 = *(u64 *)buf;
mi->tsr = FIELD_GET(ICE_MI_TSR, d64);
mi->ho = FIELD_GET(ICE_MI_HO, d64);
mi->pc = FIELD_GET(ICE_MI_PC, d64);
mi->pg_rn = FIELD_GET(ICE_MI_PGRN, d64);
mi->cd = FIELD_GET(ICE_MI_CD, d64);
mi->gpr_a_ctrl = FIELD_GET(ICE_MI_GAC, d64);
mi->gpr_a_data_mdid = FIELD_GET(ICE_MI_GADM, d64);
mi->gpr_a_data_start = FIELD_GET(ICE_MI_GADS, d64);
mi->gpr_a_data_len = FIELD_GET(ICE_MI_GADL, d64);
mi->gpr_a_id = FIELD_GET(ICE_MI_GAI, d64);
mi->gpr_b_ctrl = FIELD_GET(ICE_MI_GBC, d64);
d64 = *((u64 *)&buf[ICE_MI_GBDM_IDD]) >> ICE_MI_GBDM_OFF;
mi->gpr_b_data_mdid = FIELD_GET(ICE_MI_GBDM, d64);
mi->gpr_b_data_start = FIELD_GET(ICE_MI_GBDS, d64);
mi->gpr_b_data_len = FIELD_GET(ICE_MI_GBDL, d64);
mi->gpr_b_id = FIELD_GET(ICE_MI_GBI, d64);
mi->gpr_c_ctrl = FIELD_GET(ICE_MI_GCC, d64);
mi->gpr_c_data_mdid = FIELD_GET(ICE_MI_GCDM, d64);
mi->gpr_c_data_start = FIELD_GET(ICE_MI_GCDS, d64);
mi->gpr_c_data_len = FIELD_GET(ICE_MI_GCDL, d64);
mi->gpr_c_id = FIELD_GET(ICE_MI_GCI, d64);
mi->gpr_d_ctrl = FIELD_GET(ICE_MI_GDC, d64);
mi->gpr_d_data_mdid = FIELD_GET(ICE_MI_GDDM, d64);
mi->gpr_d_data_start = FIELD_GET(ICE_MI_GDDS, d64);
mi->gpr_d_data_len = FIELD_GET(ICE_MI_GDDL, d64);
mi->gpr_d_id = FIELD_GET(ICE_MI_GDI, d64);
d64 = *((u64 *)&buf[ICE_MI_FLAG_IDD]) >> ICE_MI_FLAG_OFF;
mi->flags = FIELD_GET(ICE_MI_FLAG, d64);
if (hw->debug_mask & ICE_DBG_PARSER)
ice_metainit_dump(hw, mi);
}
/**
* ice_metainit_table_get - create a metainit table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Metadata initialization table.
*/
static struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_METADATA_INIT,
sizeof(struct ice_metainit_item),
ICE_METAINIT_TABLE_SIZE,
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 ***/
static void ice_pg_cam_key_dump(struct ice_hw *hw, struct ice_pg_cam_key *key)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "key:\n");
dev_info(dev, "\tvalid = %d\n", key->valid);
dev_info(dev, "\tnode_id = %d\n", key->node_id);
dev_info(dev, "\tflag0 = %d\n", key->flag0);
dev_info(dev, "\tflag1 = %d\n", key->flag1);
dev_info(dev, "\tflag2 = %d\n", key->flag2);
dev_info(dev, "\tflag3 = %d\n", key->flag3);
dev_info(dev, "\tboost_idx = %d\n", key->boost_idx);
dev_info(dev, "\talu_reg = 0x%04x\n", key->alu_reg);
dev_info(dev, "\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)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "key:\n");
dev_info(dev, "\tvalid = %d\n", key->valid);
dev_info(dev, "\tnode_id = %d\n", key->node_id);
dev_info(dev, "\tflag0 = %d\n", key->flag0);
dev_info(dev, "\tflag1 = %d\n", key->flag1);
dev_info(dev, "\tflag2 = %d\n", key->flag2);
dev_info(dev, "\tflag3 = %d\n", key->flag3);
dev_info(dev, "\tboost_idx = %d\n", key->boost_idx);
dev_info(dev, "\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)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "action:\n");
dev_info(dev, "\tnext_node = %d\n", action->next_node);
dev_info(dev, "\tnext_pc = %d\n", action->next_pc);
dev_info(dev, "\tis_pg = %d\n", action->is_pg);
dev_info(dev, "\tproto_id = %d\n", action->proto_id);
dev_info(dev, "\tis_mg = %d\n", action->is_mg);
dev_info(dev, "\tmarker_id = %d\n", action->marker_id);
dev_info(dev, "\tis_last_round = %d\n", action->is_last_round);
dev_info(dev, "\tho_polarity = %d\n", action->ho_polarity);
dev_info(dev, "\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
*/
static 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
*/
static 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)
/**
* ice_pg_cam_action_init - parse 55 bits of Parse Graph CAM Action
* @action: pointer to the Parse Graph CAM Action structure
* @data: Parse Graph CAM Action data to be parsed
*/
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)
/**
* ice_pg_nm_cam_key_init - parse 41 bits of Parse Graph NoMatch CAM Key
* @key: pointer to the Parse Graph NoMatch CAM Key structure
* @data: Parse Graph NoMatch CAM Key data to be parsed
*/
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_IDD (ICE_PGCK_NPK_S / BITS_PER_BYTE)
#define ICE_PGCK_NPK_OFF (ICE_PGCK_NPK_S % BITS_PER_BYTE)
#define ICE_PGCK_NPK GENMASK_ULL(72 - ICE_PGCK_NPK_S, \
41 - ICE_PGCK_NPK_S)
/**
* ice_pg_cam_key_init - parse 73 bits of Parse Graph CAM Key
* @key: pointer to the Parse Graph CAM Key structure
* @data: Parse Graph CAM Key data to be parsed
*/
static void ice_pg_cam_key_init(struct ice_pg_cam_key *key, u8 *data)
{
u64 d64 = *(u64 *)data;
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);
d64 = *((u64 *)&data[ICE_PGCK_NPK_IDD]) >> ICE_PGCK_NPK_OFF;
key->next_proto = FIELD_GET(ICE_PGCK_NPK, d64);
}
#define ICE_PG_CAM_ACT_S 73
#define ICE_PG_CAM_ACT_IDD (ICE_PG_CAM_ACT_S / BITS_PER_BYTE)
#define ICE_PG_CAM_ACT_OFF (ICE_PG_CAM_ACT_S % BITS_PER_BYTE)
/**
* ice_pg_cam_parse_item - parse 128 bits of Parse Graph CAM Entry
* @hw: pointer to the hardware structure
* @idx: index of Parse Graph CAM Entry
* @item: item of Parse Graph CAM Entry
* @data: Parse Graph CAM Entry data to be parsed
* @size: size of Parse Graph CAM Entry
*/
static void ice_pg_cam_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_pg_cam_item *ci = item;
u8 *buf = data;
u64 d64;
ci->idx = idx;
ice_pg_cam_key_init(&ci->key, buf);
d64 = *((u64 *)&buf[ICE_PG_CAM_ACT_IDD]) >> ICE_PG_CAM_ACT_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_KEY_S 56
#define ICE_PG_SP_CAM_KEY_IDD (ICE_PG_SP_CAM_KEY_S / BITS_PER_BYTE)
/**
* ice_pg_sp_cam_parse_item - parse 136 bits of Parse Graph Spill CAM Entry
* @hw: pointer to the hardware structure
* @idx: index of Parse Graph Spill CAM Entry
* @item: item of Parse Graph Spill CAM Entry
* @data: Parse Graph Spill CAM Entry data to be parsed
* @size: size of Parse Graph Spill CAM Entry
*/
static void ice_pg_sp_cam_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_pg_cam_item *ci = item;
u8 *buf = data;
u64 d64;
ci->idx = idx;
d64 = *(u64 *)buf;
ice_pg_cam_action_init(&ci->action, d64);
ice_pg_cam_key_init(&ci->key, &buf[ICE_PG_SP_CAM_KEY_IDD]);
if (hw->debug_mask & ICE_DBG_PARSER)
ice_pg_cam_dump(hw, ci);
}
#define ICE_PG_NM_CAM_ACT_S 41
#define ICE_PG_NM_CAM_ACT_IDD (ICE_PG_NM_CAM_ACT_S / BITS_PER_BYTE)
#define ICE_PG_NM_CAM_ACT_OFF (ICE_PG_NM_CAM_ACT_S % BITS_PER_BYTE)
/**
* ice_pg_nm_cam_parse_item - parse 96 bits of Parse Graph NoMatch CAM Entry
* @hw: pointer to the hardware structure
* @idx: index of Parse Graph NoMatch CAM Entry
* @item: item of Parse Graph NoMatch CAM Entry
* @data: Parse Graph NoMatch CAM Entry data to be parsed
* @size: size of Parse Graph NoMatch CAM Entry
*/
static void ice_pg_nm_cam_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_pg_nm_cam_item *ci = item;
u8 *buf = data;
u64 d64;
ci->idx = idx;
d64 = *(u64 *)buf;
ice_pg_nm_cam_key_init(&ci->key, d64);
d64 = *((u64 *)&buf[ICE_PG_NM_CAM_ACT_IDD]) >> ICE_PG_NM_CAM_ACT_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_ACT_S 56
#define ICE_PG_NM_SP_CAM_ACT_IDD (ICE_PG_NM_SP_CAM_ACT_S / BITS_PER_BYTE)
#define ICE_PG_NM_SP_CAM_ACT_OFF (ICE_PG_NM_SP_CAM_ACT_S % BITS_PER_BYTE)
/**
* ice_pg_nm_sp_cam_parse_item - parse 104 bits of Parse Graph NoMatch Spill
* CAM Entry
* @hw: pointer to the hardware structure
* @idx: index of Parse Graph NoMatch Spill CAM Entry
* @item: item of Parse Graph NoMatch Spill CAM Entry
* @data: Parse Graph NoMatch Spill CAM Entry data to be parsed
* @size: size of Parse Graph NoMatch Spill CAM Entry
*/
static void ice_pg_nm_sp_cam_parse_item(struct ice_hw *hw, u16 idx,
void *item, void *data,
int __maybe_unused size)
{
struct ice_pg_nm_cam_item *ci = item;
u8 *buf = data;
u64 d64;
ci->idx = idx;
d64 = *(u64 *)buf;
ice_pg_cam_action_init(&ci->action, d64);
d64 = *((u64 *)&buf[ICE_PG_NM_SP_CAM_ACT_IDD]) >>
ICE_PG_NM_SP_CAM_ACT_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
*
* Return: a pointer to the allocated Parse Graph CAM table.
*/
static struct ice_pg_cam_item *ice_pg_cam_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_CAM,
sizeof(struct ice_pg_cam_item),
ICE_PG_CAM_TABLE_SIZE,
ice_pg_cam_parse_item, false);
}
/**
* ice_pg_sp_cam_table_get - create a parse graph spill cam table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Parse Graph Spill CAM table.
*/
static struct ice_pg_cam_item *ice_pg_sp_cam_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_PG_SPILL,
sizeof(struct ice_pg_cam_item),
ICE_PG_SP_CAM_TABLE_SIZE,
ice_pg_sp_cam_parse_item, false);
}
/**
* ice_pg_nm_cam_table_get - create a parse graph no match cam table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Parse Graph No Match CAM table.
*/
static struct ice_pg_nm_cam_item *ice_pg_nm_cam_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_NOMATCH_CAM,
sizeof(struct ice_pg_nm_cam_item),
ICE_PG_NM_CAM_TABLE_SIZE,
ice_pg_nm_cam_parse_item, false);
}
/**
* ice_pg_nm_sp_cam_table_get - create a parse graph no match spill cam table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Parse Graph No Match Spill CAM table.
*/
static struct ice_pg_nm_cam_item *ice_pg_nm_sp_cam_table_get(struct ice_hw *hw)
{
return 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_pg_nm_sp_cam_parse_item, false);
}
static bool __ice_pg_cam_match(struct ice_pg_cam_item *item,
struct ice_pg_cam_key *key)
{
return (item->key.valid &&
!memcmp(&item->key.val, &key->val, sizeof(key->val)));
}
static bool __ice_pg_nm_cam_match(struct ice_pg_nm_cam_item *item,
struct ice_pg_cam_key *key)
{
return (item->key.valid &&
!memcmp(&item->key.val, &key->val, sizeof(item->key.val)));
}
/**
* ice_pg_cam_match - search parse graph cam table by key
* @table: parse graph cam table to search
* @size: cam table size
* @key: search key
*
* Return: a pointer to the matching PG CAM item or NULL.
*/
struct ice_pg_cam_item *ice_pg_cam_match(struct ice_pg_cam_item *table,
int size, struct ice_pg_cam_key *key)
{
int i;
for (i = 0; i < size; i++) {
struct ice_pg_cam_item *item = &table[i];
if (__ice_pg_cam_match(item, key))
return item;
}
return NULL;
}
/**
* ice_pg_nm_cam_match - search parse graph no match cam table by key
* @table: parse graph no match cam table to search
* @size: cam table size
* @key: search key
*
* Return: a pointer to the matching PG No Match CAM item or NULL.
*/
struct ice_pg_nm_cam_item *
ice_pg_nm_cam_match(struct ice_pg_nm_cam_item *table, int size,
struct ice_pg_cam_key *key)
{
int i;
for (i = 0; i < size; i++) {
struct ice_pg_nm_cam_item *item = &table[i];
if (__ice_pg_nm_cam_match(item, key))
return item;
}
return NULL;
}
/*** Ternary match ***/
/* Perform a ternary match on a 1-byte pattern (@pat) given @key and @key_inv
* Rules (per bit):
* Key == 0 and Key_inv == 0 : Never match (Don't care)
* Key == 0 and Key_inv == 1 : Match on bit == 1
* Key == 1 and Key_inv == 0 : Match on bit == 0
* Key == 1 and Key_inv == 1 : Always match (Don't care)
*
* Return: true if all bits match, false otherwise.
*/
static bool ice_ternary_match_byte(u8 key, u8 key_inv, u8 pat)
{
u8 bit_key, bit_key_inv, bit_pat;
int i;
for (i = 0; i < BITS_PER_BYTE; i++) {
bit_key = key & BIT(i);
bit_key_inv = key_inv & BIT(i);
bit_pat = pat & BIT(i);
if (bit_key != 0 && bit_key_inv != 0)
continue;
if ((bit_key == 0 && bit_key_inv == 0) || bit_key == bit_pat)
return false;
}
return true;
}
static bool ice_ternary_match(const u8 *key, const u8 *key_inv,
const u8 *pat, int len)
{
int i;
for (i = 0; i < len; i++)
if (!ice_ternary_match_byte(key[i], key_inv[i], pat[i]))
return false;
return true;
}
/*** ICE_SID_RXPARSER_BOOST_TCAM and ICE_SID_LBL_RXPARSER_TMEM sections ***/
static void ice_bst_np_kb_dump(struct ice_hw *hw, struct ice_np_keybuilder *kb)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "next proto key builder:\n");
dev_info(dev, "\topc = %d\n", kb->opc);
dev_info(dev, "\tstart_reg0 = %d\n", kb->start_reg0);
dev_info(dev, "\tlen_reg1 = %d\n", kb->len_reg1);
}
static void ice_bst_pg_kb_dump(struct ice_hw *hw, struct ice_pg_keybuilder *kb)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "parse graph key builder:\n");
dev_info(dev, "\tflag0_ena = %d\n", kb->flag0_ena);
dev_info(dev, "\tflag1_ena = %d\n", kb->flag1_ena);
dev_info(dev, "\tflag2_ena = %d\n", kb->flag2_ena);
dev_info(dev, "\tflag3_ena = %d\n", kb->flag3_ena);
dev_info(dev, "\tflag0_idx = %d\n", kb->flag0_idx);
dev_info(dev, "\tflag1_idx = %d\n", kb->flag1_idx);
dev_info(dev, "\tflag2_idx = %d\n", kb->flag2_idx);
dev_info(dev, "\tflag3_idx = %d\n", kb->flag3_idx);
dev_info(dev, "\talu_reg_idx = %d\n", kb->alu_reg_idx);
}
static void ice_bst_alu_dump(struct ice_hw *hw, struct ice_alu *alu, int idx)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "alu%d:\n", idx);
dev_info(dev, "\topc = %d\n", alu->opc);
dev_info(dev, "\tsrc_start = %d\n", alu->src_start);
dev_info(dev, "\tsrc_len = %d\n", alu->src_len);
dev_info(dev, "\tshift_xlate_sel = %d\n", alu->shift_xlate_sel);
dev_info(dev, "\tshift_xlate_key = %d\n", alu->shift_xlate_key);
dev_info(dev, "\tsrc_reg_id = %d\n", alu->src_reg_id);
dev_info(dev, "\tdst_reg_id = %d\n", alu->dst_reg_id);
dev_info(dev, "\tinc0 = %d\n", alu->inc0);
dev_info(dev, "\tinc1 = %d\n", alu->inc1);
dev_info(dev, "\tproto_offset_opc = %d\n", alu->proto_offset_opc);
dev_info(dev, "\tproto_offset = %d\n", alu->proto_offset);
dev_info(dev, "\tbranch_addr = %d\n", alu->branch_addr);
dev_info(dev, "\timm = %d\n", alu->imm);
dev_info(dev, "\tdst_start = %d\n", alu->dst_start);
dev_info(dev, "\tdst_len = %d\n", alu->dst_len);
dev_info(dev, "\tflags_extr_imm = %d\n", alu->flags_extr_imm);
dev_info(dev, "\tflags_start_imm= %d\n", alu->flags_start_imm);
}
/**
* ice_bst_tcam_dump - dump a boost tcam info
* @hw: pointer to the hardware structure
* @item: boost tcam to dump
*/
static void ice_bst_tcam_dump(struct ice_hw *hw, struct ice_bst_tcam_item *item)
{
struct device *dev = ice_hw_to_dev(hw);
int i;
dev_info(dev, "addr = %d\n", item->addr);
dev_info(dev, "key : ");
for (i = 0; i < ICE_BST_TCAM_KEY_SIZE; i++)
dev_info(dev, "%02x ", item->key[i]);
dev_info(dev, "\n");
dev_info(dev, "key_inv: ");
for (i = 0; i < ICE_BST_TCAM_KEY_SIZE; i++)
dev_info(dev, "%02x ", item->key_inv[i]);
dev_info(dev, "\n");
dev_info(dev, "hit_idx_grp = %d\n", item->hit_idx_grp);
dev_info(dev, "pg_prio = %d\n", item->pg_prio);
ice_bst_np_kb_dump(hw, &item->np_kb);
ice_bst_pg_kb_dump(hw, &item->pg_kb);
ice_bst_alu_dump(hw, &item->alu0, ICE_ALU0_IDX);
ice_bst_alu_dump(hw, &item->alu1, ICE_ALU1_IDX);
ice_bst_alu_dump(hw, &item->alu2, ICE_ALU2_IDX);
}
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);
}
#define ICE_BST_ALU_OPC GENMASK_ULL(5, 0)
#define ICE_BST_ALU_SS GENMASK_ULL(13, 6)
#define ICE_BST_ALU_SL GENMASK_ULL(18, 14)
#define ICE_BST_ALU_SXS BIT_ULL(19)
#define ICE_BST_ALU_SXK GENMASK_ULL(23, 20)
#define ICE_BST_ALU_SRID GENMASK_ULL(30, 24)
#define ICE_BST_ALU_DRID GENMASK_ULL(37, 31)
#define ICE_BST_ALU_INC0 BIT_ULL(38)
#define ICE_BST_ALU_INC1 BIT_ULL(39)
#define ICE_BST_ALU_POO GENMASK_ULL(41, 40)
#define ICE_BST_ALU_PO GENMASK_ULL(49, 42)
#define ICE_BST_ALU_BA_S 50 /* offset for the 2nd 64-bits field */
#define ICE_BST_ALU_BA GENMASK_ULL(57 - ICE_BST_ALU_BA_S, \
50 - ICE_BST_ALU_BA_S)
#define ICE_BST_ALU_IMM GENMASK_ULL(73 - ICE_BST_ALU_BA_S, \
58 - ICE_BST_ALU_BA_S)
#define ICE_BST_ALU_DFE BIT_ULL(74 - ICE_BST_ALU_BA_S)
#define ICE_BST_ALU_DS GENMASK_ULL(80 - ICE_BST_ALU_BA_S, \
75 - ICE_BST_ALU_BA_S)
#define ICE_BST_ALU_DL GENMASK_ULL(86 - ICE_BST_ALU_BA_S, \
81 - ICE_BST_ALU_BA_S)
#define ICE_BST_ALU_FEI BIT_ULL(87 - ICE_BST_ALU_BA_S)
#define ICE_BST_ALU_FSI GENMASK_ULL(95 - ICE_BST_ALU_BA_S, \
88 - ICE_BST_ALU_BA_S)
/**
* ice_bst_alu_init - parse 96 bits of ALU entry
* @alu: pointer to the ALU entry structure
* @data: ALU entry data to be parsed
* @off: offset of the ALU entry data
*/
static void ice_bst_alu_init(struct ice_alu *alu, u8 *data, u8 off)
{
u64 d64;
u8 idd;
d64 = *((u64 *)data) >> off;
alu->opc = FIELD_GET(ICE_BST_ALU_OPC, d64);
alu->src_start = FIELD_GET(ICE_BST_ALU_SS, d64);
alu->src_len = FIELD_GET(ICE_BST_ALU_SL, d64);
alu->shift_xlate_sel = FIELD_GET(ICE_BST_ALU_SXS, d64);
alu->shift_xlate_key = FIELD_GET(ICE_BST_ALU_SXK, d64);
alu->src_reg_id = FIELD_GET(ICE_BST_ALU_SRID, d64);
alu->dst_reg_id = FIELD_GET(ICE_BST_ALU_DRID, d64);
alu->inc0 = FIELD_GET(ICE_BST_ALU_INC0, d64);
alu->inc1 = FIELD_GET(ICE_BST_ALU_INC1, d64);
alu->proto_offset_opc = FIELD_GET(ICE_BST_ALU_POO, d64);
alu->proto_offset = FIELD_GET(ICE_BST_ALU_PO, d64);
idd = (ICE_BST_ALU_BA_S + off) / BITS_PER_BYTE;
off = (ICE_BST_ALU_BA_S + off) % BITS_PER_BYTE;
d64 = *((u64 *)(&data[idd])) >> off;
alu->branch_addr = FIELD_GET(ICE_BST_ALU_BA, d64);
alu->imm = FIELD_GET(ICE_BST_ALU_IMM, d64);
alu->dedicate_flags_ena = FIELD_GET(ICE_BST_ALU_DFE, d64);
alu->dst_start = FIELD_GET(ICE_BST_ALU_DS, d64);
alu->dst_len = FIELD_GET(ICE_BST_ALU_DL, d64);
alu->flags_extr_imm = FIELD_GET(ICE_BST_ALU_FEI, d64);
alu->flags_start_imm = FIELD_GET(ICE_BST_ALU_FSI, d64);
}
#define ICE_BST_PGKB_F0_ENA BIT_ULL(0)
#define ICE_BST_PGKB_F0_IDX GENMASK_ULL(6, 1)
#define ICE_BST_PGKB_F1_ENA BIT_ULL(7)
#define ICE_BST_PGKB_F1_IDX GENMASK_ULL(13, 8)
#define ICE_BST_PGKB_F2_ENA BIT_ULL(14)
#define ICE_BST_PGKB_F2_IDX GENMASK_ULL(20, 15)
#define ICE_BST_PGKB_F3_ENA BIT_ULL(21)
#define ICE_BST_PGKB_F3_IDX GENMASK_ULL(27, 22)
#define ICE_BST_PGKB_AR_IDX GENMASK_ULL(34, 28)
/**
* ice_bst_pgkb_init - parse 35 bits of Parse Graph Key Build
* @kb: pointer to the Parse Graph Key Build structure
* @data: Parse Graph Key Build data to be parsed
*/
static void ice_bst_pgkb_init(struct ice_pg_keybuilder *kb, u64 data)
{
kb->flag0_ena = FIELD_GET(ICE_BST_PGKB_F0_ENA, data);
kb->flag0_idx = FIELD_GET(ICE_BST_PGKB_F0_IDX, data);
kb->flag1_ena = FIELD_GET(ICE_BST_PGKB_F1_ENA, data);
kb->flag1_idx = FIELD_GET(ICE_BST_PGKB_F1_IDX, data);
kb->flag2_ena = FIELD_GET(ICE_BST_PGKB_F2_ENA, data);
kb->flag2_idx = FIELD_GET(ICE_BST_PGKB_F2_IDX, data);
kb->flag3_ena = FIELD_GET(ICE_BST_PGKB_F3_ENA, data);
kb->flag3_idx = FIELD_GET(ICE_BST_PGKB_F3_IDX, data);
kb->alu_reg_idx = FIELD_GET(ICE_BST_PGKB_AR_IDX, data);
}
#define ICE_BST_NPKB_OPC GENMASK(1, 0)
#define ICE_BST_NPKB_S_R0 GENMASK(9, 2)
#define ICE_BST_NPKB_L_R1 GENMASK(17, 10)
/**
* ice_bst_npkb_init - parse 18 bits of Next Protocol Key Build
* @kb: pointer to the Next Protocol Key Build structure
* @data: Next Protocol Key Build data to be parsed
*/
static void ice_bst_npkb_init(struct ice_np_keybuilder *kb, u32 data)
{
kb->opc = FIELD_GET(ICE_BST_NPKB_OPC, data);
kb->start_reg0 = FIELD_GET(ICE_BST_NPKB_S_R0, data);
kb->len_reg1 = FIELD_GET(ICE_BST_NPKB_L_R1, data);
}
#define ICE_BT_KEY_S 32
#define ICE_BT_KEY_IDD (ICE_BT_KEY_S / BITS_PER_BYTE)
#define ICE_BT_KIV_S 192
#define ICE_BT_KIV_IDD (ICE_BT_KIV_S / BITS_PER_BYTE)
#define ICE_BT_HIG_S 352
#define ICE_BT_HIG_IDD (ICE_BT_HIG_S / BITS_PER_BYTE)
#define ICE_BT_PGP_S 360
#define ICE_BT_PGP_IDD (ICE_BT_PGP_S / BITS_PER_BYTE)
#define ICE_BT_PGP_M GENMASK(361 - ICE_BT_PGP_S, 360 - ICE_BT_PGP_S)
#define ICE_BT_NPKB_S 362
#define ICE_BT_NPKB_IDD (ICE_BT_NPKB_S / BITS_PER_BYTE)
#define ICE_BT_NPKB_OFF (ICE_BT_NPKB_S % BITS_PER_BYTE)
#define ICE_BT_PGKB_S 380
#define ICE_BT_PGKB_IDD (ICE_BT_PGKB_S / BITS_PER_BYTE)
#define ICE_BT_PGKB_OFF (ICE_BT_PGKB_S % BITS_PER_BYTE)
#define ICE_BT_ALU0_S 415
#define ICE_BT_ALU0_IDD (ICE_BT_ALU0_S / BITS_PER_BYTE)
#define ICE_BT_ALU0_OFF (ICE_BT_ALU0_S % BITS_PER_BYTE)
#define ICE_BT_ALU1_S 511
#define ICE_BT_ALU1_IDD (ICE_BT_ALU1_S / BITS_PER_BYTE)
#define ICE_BT_ALU1_OFF (ICE_BT_ALU1_S % BITS_PER_BYTE)
#define ICE_BT_ALU2_S 607
#define ICE_BT_ALU2_IDD (ICE_BT_ALU2_S / BITS_PER_BYTE)
#define ICE_BT_ALU2_OFF (ICE_BT_ALU2_S % BITS_PER_BYTE)
/**
* ice_bst_parse_item - parse 704 bits of Boost TCAM entry
* @hw: pointer to the hardware structure
* @idx: index of Boost TCAM entry
* @item: item of Boost TCAM entry
* @data: Boost TCAM entry data to be parsed
* @size: size of Boost TCAM entry
*/
static void ice_bst_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_bst_tcam_item *ti = item;
u8 *buf = (u8 *)data;
int i;
ti->addr = *(u16 *)buf;
for (i = 0; i < ICE_BST_TCAM_KEY_SIZE; i++) {
ti->key[i] = buf[ICE_BT_KEY_IDD + i];
ti->key_inv[i] = buf[ICE_BT_KIV_IDD + i];
}
ti->hit_idx_grp = buf[ICE_BT_HIG_IDD];
ti->pg_prio = buf[ICE_BT_PGP_IDD] & ICE_BT_PGP_M;
ice_bst_npkb_init(&ti->np_kb,
*((u32 *)(&buf[ICE_BT_NPKB_IDD])) >>
ICE_BT_NPKB_OFF);
ice_bst_pgkb_init(&ti->pg_kb,
*((u64 *)(&buf[ICE_BT_PGKB_IDD])) >>
ICE_BT_PGKB_OFF);
ice_bst_alu_init(&ti->alu0, &buf[ICE_BT_ALU0_IDD], ICE_BT_ALU0_OFF);
ice_bst_alu_init(&ti->alu1, &buf[ICE_BT_ALU1_IDD], ICE_BT_ALU1_OFF);
ice_bst_alu_init(&ti->alu2, &buf[ICE_BT_ALU2_IDD], ICE_BT_ALU2_OFF);
if (hw->debug_mask & ICE_DBG_PARSER)
ice_bst_tcam_dump(hw, ti);
}
/**
* ice_bst_tcam_table_get - create a boost tcam table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Boost TCAM table.
*/
static struct ice_bst_tcam_item *ice_bst_tcam_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_BOOST_TCAM,
sizeof(struct ice_bst_tcam_item),
ICE_BST_TCAM_TABLE_SIZE,
ice_bst_parse_item, true);
}
static void ice_parse_lbl_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused 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;
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);
}
/**
* ice_bst_lbl_table_get - create a boost label table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Boost label table.
*/
static struct ice_lbl_item *ice_bst_lbl_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_LBL_RXPARSER_TMEM,
sizeof(struct ice_lbl_item),
ICE_BST_TCAM_TABLE_SIZE,
ice_parse_lbl_item, true);
}
/**
* ice_bst_tcam_match - match a pattern on the boost tcam table
* @tcam_table: boost tcam table to search
* @pat: pattern to match
*
* Return: a pointer to the matching Boost TCAM item or NULL.
*/
struct ice_bst_tcam_item *
ice_bst_tcam_match(struct ice_bst_tcam_item *tcam_table, u8 *pat)
{
int i;
for (i = 0; i < ICE_BST_TCAM_TABLE_SIZE; i++) {
struct ice_bst_tcam_item *item = &tcam_table[i];
if (item->hit_idx_grp == 0)
continue;
if (ice_ternary_match(item->key, item->key_inv, pat,
ICE_BST_TCAM_KEY_SIZE))
return item;
}
return NULL;
}
/*** ICE_SID_RXPARSER_MARKER_PTYPE section ***/
/**
* ice_ptype_mk_tcam_dump - dump an ptype marker tcam info
* @hw: pointer to the hardware structure
* @item: ptype marker tcam to dump
*/
static void ice_ptype_mk_tcam_dump(struct ice_hw *hw,
struct ice_ptype_mk_tcam_item *item)
{
struct device *dev = ice_hw_to_dev(hw);
int i;
dev_info(dev, "address = %d\n", item->address);
dev_info(dev, "ptype = %d\n", item->ptype);
dev_info(dev, "key :");
for (i = 0; i < ICE_PTYPE_MK_TCAM_KEY_SIZE; i++)
dev_info(dev, "%02x ", item->key[i]);
dev_info(dev, "\n");
dev_info(dev, "key_inv:");
for (i = 0; i < ICE_PTYPE_MK_TCAM_KEY_SIZE; i++)
dev_info(dev, "%02x ", item->key_inv[i]);
dev_info(dev, "\n");
}
static void ice_parse_ptype_mk_tcam_item(struct ice_hw *hw, u16 idx,
void *item, void *data, int size)
{
memcpy(item, data, size);
if (hw->debug_mask & ICE_DBG_PARSER)
ice_ptype_mk_tcam_dump(hw,
(struct ice_ptype_mk_tcam_item *)item);
}
/**
* ice_ptype_mk_tcam_table_get - create a ptype marker tcam table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Marker PType TCAM table.
*/
static
struct ice_ptype_mk_tcam_item *ice_ptype_mk_tcam_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_MARKER_PTYPE,
sizeof(struct ice_ptype_mk_tcam_item),
ICE_PTYPE_MK_TCAM_TABLE_SIZE,
ice_parse_ptype_mk_tcam_item, true);
}
/**
* ice_ptype_mk_tcam_match - match a pattern on a ptype marker tcam table
* @table: ptype marker tcam table to search
* @pat: pattern to match
* @len: length of the pattern
*
* Return: a pointer to the matching Marker PType item or NULL.
*/
struct ice_ptype_mk_tcam_item *
ice_ptype_mk_tcam_match(struct ice_ptype_mk_tcam_item *table,
u8 *pat, int len)
{
int i;
for (i = 0; i < ICE_PTYPE_MK_TCAM_TABLE_SIZE; i++) {
struct ice_ptype_mk_tcam_item *item = &table[i];
if (ice_ternary_match(item->key, item->key_inv, pat, len))
return item;
}
return NULL;
}
/*** ICE_SID_RXPARSER_MARKER_GRP section ***/
/**
* ice_mk_grp_dump - dump an marker group item info
* @hw: pointer to the hardware structure
* @item: marker group item to dump
*/
static void ice_mk_grp_dump(struct ice_hw *hw, struct ice_mk_grp_item *item)
{
struct device *dev = ice_hw_to_dev(hw);
int i;
dev_info(dev, "index = %d\n", item->idx);
dev_info(dev, "markers: ");
for (i = 0; i < ICE_MK_COUNT_PER_GRP; i++)
dev_info(dev, "%d ", item->markers[i]);
dev_info(dev, "\n");
}
static void ice_mk_grp_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_mk_grp_item *grp = item;
u8 *buf = data;
int i;
grp->idx = idx;
for (i = 0; i < ICE_MK_COUNT_PER_GRP; i++)
grp->markers[i] = buf[i];
if (hw->debug_mask & ICE_DBG_PARSER)
ice_mk_grp_dump(hw, grp);
}
/**
* ice_mk_grp_table_get - create a marker group table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Marker Group ID table.
*/
static struct ice_mk_grp_item *ice_mk_grp_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_MARKER_GRP,
sizeof(struct ice_mk_grp_item),
ICE_MK_GRP_TABLE_SIZE,
ice_mk_grp_parse_item, false);
}
/*** ICE_SID_RXPARSER_PROTO_GRP section ***/
static void ice_proto_off_dump(struct ice_hw *hw,
struct ice_proto_off *po, int idx)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "proto %d\n", idx);
dev_info(dev, "\tpolarity = %d\n", po->polarity);
dev_info(dev, "\tproto_id = %d\n", po->proto_id);
dev_info(dev, "\toffset = %d\n", po->offset);
}
/**
* ice_proto_grp_dump - dump a proto group item info
* @hw: pointer to the hardware structure
* @item: proto group item to dump
*/
static void ice_proto_grp_dump(struct ice_hw *hw,
struct ice_proto_grp_item *item)
{
int i;
dev_info(ice_hw_to_dev(hw), "index = %d\n", item->idx);
for (i = 0; i < ICE_PROTO_COUNT_PER_GRP; i++)
ice_proto_off_dump(hw, &item->po[i], i);
}
#define ICE_PO_POL BIT(0)
#define ICE_PO_PID GENMASK(8, 1)
#define ICE_PO_OFF GENMASK(21, 12)
/**
* ice_proto_off_parse - parse 22 bits of Protocol entry
* @po: pointer to the Protocol entry structure
* @data: Protocol entry data to be parsed
*/
static void ice_proto_off_parse(struct ice_proto_off *po, u32 data)
{
po->polarity = FIELD_GET(ICE_PO_POL, data);
po->proto_id = FIELD_GET(ICE_PO_PID, data);
po->offset = FIELD_GET(ICE_PO_OFF, data);
}
/**
* ice_proto_grp_parse_item - parse 192 bits of Protocol Group Table entry
* @hw: pointer to the hardware structure
* @idx: index of Protocol Group Table entry
* @item: item of Protocol Group Table entry
* @data: Protocol Group Table entry data to be parsed
* @size: size of Protocol Group Table entry
*/
static void ice_proto_grp_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_proto_grp_item *grp = item;
u8 *buf = (u8 *)data;
u8 idd, off;
u32 d32;
int i;
grp->idx = idx;
for (i = 0; i < ICE_PROTO_COUNT_PER_GRP; i++) {
idd = (ICE_PROTO_GRP_ITEM_SIZE * i) / BITS_PER_BYTE;
off = (ICE_PROTO_GRP_ITEM_SIZE * i) % BITS_PER_BYTE;
d32 = *((u32 *)&buf[idd]) >> off;
ice_proto_off_parse(&grp->po[i], d32);
}
if (hw->debug_mask & ICE_DBG_PARSER)
ice_proto_grp_dump(hw, grp);
}
/**
* ice_proto_grp_table_get - create a proto group table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Protocol Group table.
*/
static struct ice_proto_grp_item *ice_proto_grp_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_PROTO_GRP,
sizeof(struct ice_proto_grp_item),
ICE_PROTO_GRP_TABLE_SIZE,
ice_proto_grp_parse_item, false);
}
/*** ICE_SID_RXPARSER_FLAG_REDIR section ***/
/**
* ice_flg_rd_dump - dump a flag redirect item info
* @hw: pointer to the hardware structure
* @item: flag redirect item to dump
*/
static void ice_flg_rd_dump(struct ice_hw *hw, struct ice_flg_rd_item *item)
{
struct device *dev = ice_hw_to_dev(hw);
dev_info(dev, "index = %d\n", item->idx);
dev_info(dev, "expose = %d\n", item->expose);
dev_info(dev, "intr_flg_id = %d\n", item->intr_flg_id);
}
#define ICE_FRT_EXPO BIT(0)
#define ICE_FRT_IFID GENMASK(6, 1)
/**
* ice_flg_rd_parse_item - parse 8 bits of Flag Redirect Table entry
* @hw: pointer to the hardware structure
* @idx: index of Flag Redirect Table entry
* @item: item of Flag Redirect Table entry
* @data: Flag Redirect Table entry data to be parsed
* @size: size of Flag Redirect Table entry
*/
static void ice_flg_rd_parse_item(struct ice_hw *hw, u16 idx, void *item,
void *data, int __maybe_unused size)
{
struct ice_flg_rd_item *rdi = item;
u8 d8 = *(u8 *)data;
rdi->idx = idx;
rdi->expose = FIELD_GET(ICE_FRT_EXPO, d8);
rdi->intr_flg_id = FIELD_GET(ICE_FRT_IFID, d8);
if (hw->debug_mask & ICE_DBG_PARSER)
ice_flg_rd_dump(hw, rdi);
}
/**
* ice_flg_rd_table_get - create a flag redirect table
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Flags Redirection table.
*/
static struct ice_flg_rd_item *ice_flg_rd_table_get(struct ice_hw *hw)
{
return ice_parser_create_table(hw, ICE_SID_RXPARSER_FLAG_REDIR,
sizeof(struct ice_flg_rd_item),
ICE_FLG_RD_TABLE_SIZE,
ice_flg_rd_parse_item, false);
}
/**
* ice_flg_redirect - redirect a parser flag to packet flag
* @table: flag redirect table
* @psr_flg: parser flag to redirect
*
* Return: flag or 0 if @psr_flag = 0.
*/
u64 ice_flg_redirect(struct ice_flg_rd_item *table, u64 psr_flg)
{
u64 flg = 0;
int i;
for (i = 0; i < ICE_FLG_RDT_SIZE; i++) {
struct ice_flg_rd_item *item = &table[i];
if (!item->expose)
continue;
if (psr_flg & BIT(item->intr_flg_id))
flg |= BIT(i);
}
return flg;
}
/*** ICE_SID_XLT_KEY_BUILDER_SW, ICE_SID_XLT_KEY_BUILDER_ACL,
* ICE_SID_XLT_KEY_BUILDER_FD and ICE_SID_XLT_KEY_BUILDER_RSS
* sections ***/
static void ice_xlt_kb_entry_dump(struct ice_hw *hw,
struct ice_xlt_kb_entry *entry, int idx)
{
struct device *dev = ice_hw_to_dev(hw);
int i;
dev_info(dev, "key builder entry %d\n", idx);
dev_info(dev, "\txlt1_ad_sel = %d\n", entry->xlt1_ad_sel);
dev_info(dev, "\txlt2_ad_sel = %d\n", entry->xlt2_ad_sel);
for (i = 0; i < ICE_XLT_KB_FLAG0_14_CNT; i++)
dev_info(dev, "\tflg%d_sel = %d\n", i, entry->flg0_14_sel[i]);
dev_info(dev, "\txlt1_md_sel = %d\n", entry->xlt1_md_sel);
dev_info(dev, "\txlt2_md_sel = %d\n", entry->xlt2_md_sel);
}
/**
* ice_xlt_kb_dump - dump a xlt key build info
* @hw: pointer to the hardware structure
* @kb: key build to dump
*/
static void ice_xlt_kb_dump(struct ice_hw *hw, struct ice_xlt_kb *kb)
{
struct device *dev = ice_hw_to_dev(hw);
int i;
dev_info(dev, "xlt1_pm = %d\n", kb->xlt1_pm);
dev_info(dev, "xlt2_pm = %d\n", kb->xlt2_pm);
dev_info(dev, "prof_id_pm = %d\n", kb->prof_id_pm);
dev_info(dev, "flag15 lo = 0x%08x\n", (u32)kb->flag15);
dev_info(dev, "flag15 hi = 0x%08x\n",
(u32)(kb->flag15 >> (sizeof(u32) * BITS_PER_BYTE)));
for (i = 0; i < ICE_XLT_KB_TBL_CNT; i++)
ice_xlt_kb_entry_dump(hw, &kb->entries[i], i);
}
#define ICE_XLT_KB_X1AS_S 32 /* offset for the 1st 64-bits field */
#define ICE_XLT_KB_X1AS_IDD (ICE_XLT_KB_X1AS_S / BITS_PER_BYTE)
#define ICE_XLT_KB_X1AS_OFF (ICE_XLT_KB_X1AS_S % BITS_PER_BYTE)
#define ICE_XLT_KB_X1AS GENMASK_ULL(34 - ICE_XLT_KB_X1AS_S, \
32 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_X2AS GENMASK_ULL(37 - ICE_XLT_KB_X1AS_S, \
35 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL00 GENMASK_ULL(46 - ICE_XLT_KB_X1AS_S, \
38 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL01 GENMASK_ULL(55 - ICE_XLT_KB_X1AS_S, \
47 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL02 GENMASK_ULL(64 - ICE_XLT_KB_X1AS_S, \
56 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL03 GENMASK_ULL(73 - ICE_XLT_KB_X1AS_S, \
65 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL04 GENMASK_ULL(82 - ICE_XLT_KB_X1AS_S, \
74 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL05 GENMASK_ULL(91 - ICE_XLT_KB_X1AS_S, \
83 - ICE_XLT_KB_X1AS_S)
#define ICE_XLT_KB_FL06_S 92 /* offset for the 2nd 64-bits field */
#define ICE_XLT_KB_FL06_IDD (ICE_XLT_KB_FL06_S / BITS_PER_BYTE)
#define ICE_XLT_KB_FL06_OFF (ICE_XLT_KB_FL06_S % BITS_PER_BYTE)
#define ICE_XLT_KB_FL06 GENMASK_ULL(100 - ICE_XLT_KB_FL06_S, \
92 - ICE_XLT_KB_FL06_S)
#define ICE_XLT_KB_FL07 GENMASK_ULL(109 - ICE_XLT_KB_FL06_S, \
101 - ICE_XLT_KB_FL06_S)
#define ICE_XLT_KB_FL08 GENMASK_ULL(118 - ICE_XLT_KB_FL06_S, \
110 - ICE_XLT_KB_FL06_S)
#define ICE_XLT_KB_FL09 GENMASK_ULL(127 - ICE_XLT_KB_FL06_S, \
119 - ICE_XLT_KB_FL06_S)
#define ICE_XLT_KB_FL10 GENMASK_ULL(136 - ICE_XLT_KB_FL06_S, \
128 - ICE_XLT_KB_FL06_S)
#define ICE_XLT_KB_FL11 GENMASK_ULL(145 - ICE_XLT_KB_FL06_S, \
137 - ICE_XLT_KB_FL06_S)
#define ICE_XLT_KB_FL12_S 146 /* offset for the 3rd 64-bits field */
#define ICE_XLT_KB_FL12_IDD (ICE_XLT_KB_FL12_S / BITS_PER_BYTE)
#define ICE_XLT_KB_FL12_OFF (ICE_XLT_KB_FL12_S % BITS_PER_BYTE)
#define ICE_XLT_KB_FL12 GENMASK_ULL(154 - ICE_XLT_KB_FL12_S, \
146 - ICE_XLT_KB_FL12_S)
#define ICE_XLT_KB_FL13 GENMASK_ULL(163 - ICE_XLT_KB_FL12_S, \
155 - ICE_XLT_KB_FL12_S)
#define ICE_XLT_KB_FL14 GENMASK_ULL(181 - ICE_XLT_KB_FL12_S, \
164 - ICE_XLT_KB_FL12_S)
#define ICE_XLT_KB_X1MS GENMASK_ULL(186 - ICE_XLT_KB_FL12_S, \
182 - ICE_XLT_KB_FL12_S)
#define ICE_XLT_KB_X2MS GENMASK_ULL(191 - ICE_XLT_KB_FL12_S, \
187 - ICE_XLT_KB_FL12_S)
/**
* ice_kb_entry_init - parse 192 bits of XLT Key Builder entry
* @entry: pointer to the XLT Key Builder entry structure
* @data: XLT Key Builder entry data to be parsed
*/
static void ice_kb_entry_init(struct ice_xlt_kb_entry *entry, u8 *data)
{
u8 i = 0;
u64 d64;
d64 = *((u64 *)&data[ICE_XLT_KB_X1AS_IDD]) >> ICE_XLT_KB_X1AS_OFF;
entry->xlt1_ad_sel = FIELD_GET(ICE_XLT_KB_X1AS, d64);
entry->xlt2_ad_sel = FIELD_GET(ICE_XLT_KB_X2AS, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL00, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL01, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL02, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL03, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL04, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL05, d64);
d64 = *((u64 *)&data[ICE_XLT_KB_FL06_IDD]) >> ICE_XLT_KB_FL06_OFF;
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL06, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL07, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL08, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL09, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL10, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL11, d64);
d64 = *((u64 *)&data[ICE_XLT_KB_FL12_IDD]) >> ICE_XLT_KB_FL12_OFF;
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL12, d64);
entry->flg0_14_sel[i++] = FIELD_GET(ICE_XLT_KB_FL13, d64);
entry->flg0_14_sel[i] = FIELD_GET(ICE_XLT_KB_FL14, d64);
entry->xlt1_md_sel = FIELD_GET(ICE_XLT_KB_X1MS, d64);
entry->xlt2_md_sel = FIELD_GET(ICE_XLT_KB_X2MS, d64);
}
#define ICE_XLT_KB_X1PM_OFF 0
#define ICE_XLT_KB_X2PM_OFF 1
#define ICE_XLT_KB_PIPM_OFF 2
#define ICE_XLT_KB_FL15_OFF 4
#define ICE_XLT_KB_TBL_OFF 12
/**
* ice_parse_kb_data - parse 204 bits of XLT Key Build Table
* @hw: pointer to the hardware structure
* @kb: pointer to the XLT Key Build Table structure
* @data: XLT Key Build Table data to be parsed
*/
static void ice_parse_kb_data(struct ice_hw *hw, struct ice_xlt_kb *kb,
void *data)
{
u8 *buf = data;
int i;
kb->xlt1_pm = buf[ICE_XLT_KB_X1PM_OFF];
kb->xlt2_pm = buf[ICE_XLT_KB_X2PM_OFF];
kb->prof_id_pm = buf[ICE_XLT_KB_PIPM_OFF];
kb->flag15 = *(u64 *)&buf[ICE_XLT_KB_FL15_OFF];
for (i = 0; i < ICE_XLT_KB_TBL_CNT; i++)
ice_kb_entry_init(&kb->entries[i],
&buf[ICE_XLT_KB_TBL_OFF +
i * ICE_XLT_KB_TBL_ENTRY_SIZE]);
if (hw->debug_mask & ICE_DBG_PARSER)
ice_xlt_kb_dump(hw, kb);
}
static struct ice_xlt_kb *ice_xlt_kb_get(struct ice_hw *hw, u32 sect_type)
{
struct ice_pkg_enum state = {};
struct ice_seg *seg = hw->seg;
struct ice_xlt_kb *kb;
void *data;
if (!seg)
return ERR_PTR(-EINVAL);
kb = kzalloc(sizeof(*kb), GFP_KERNEL);
if (!kb)
return ERR_PTR(-ENOMEM);
data = ice_pkg_enum_section(seg, &state, sect_type);
if (!data) {
ice_debug(hw, ICE_DBG_PARSER, "failed to find section type %d.\n",
sect_type);
kfree(kb);
return ERR_PTR(-EINVAL);
}
ice_parse_kb_data(hw, kb, data);
return kb;
}
/**
* ice_xlt_kb_get_sw - create switch xlt key build
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Key Builder table for Switch.
*/
static struct ice_xlt_kb *ice_xlt_kb_get_sw(struct ice_hw *hw)
{
return ice_xlt_kb_get(hw, ICE_SID_XLT_KEY_BUILDER_SW);
}
/**
* ice_xlt_kb_get_acl - create acl xlt key build
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Key Builder table for ACL.
*/
static struct ice_xlt_kb *ice_xlt_kb_get_acl(struct ice_hw *hw)
{
return ice_xlt_kb_get(hw, ICE_SID_XLT_KEY_BUILDER_ACL);
}
/**
* ice_xlt_kb_get_fd - create fdir xlt key build
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Key Builder table for Flow Director.
*/
static struct ice_xlt_kb *ice_xlt_kb_get_fd(struct ice_hw *hw)
{
return ice_xlt_kb_get(hw, ICE_SID_XLT_KEY_BUILDER_FD);
}
/**
* ice_xlt_kb_get_rss - create rss xlt key build
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated Key Builder table for RSS.
*/
static struct ice_xlt_kb *ice_xlt_kb_get_rss(struct ice_hw *hw)
{
return ice_xlt_kb_get(hw, ICE_SID_XLT_KEY_BUILDER_RSS);
}
#define ICE_XLT_KB_MASK GENMASK_ULL(5, 0)
/**
* ice_xlt_kb_flag_get - aggregate 64 bits packet flag into 16 bits xlt flag
* @kb: xlt key build
* @pkt_flag: 64 bits packet flag
*
* Return: XLT flag or 0 if @pkt_flag = 0.
*/
u16 ice_xlt_kb_flag_get(struct ice_xlt_kb *kb, u64 pkt_flag)
{
struct ice_xlt_kb_entry *entry = &kb->entries[0];
u16 flag = 0;
int i;
/* check flag 15 */
if (kb->flag15 & pkt_flag)
flag = BIT(ICE_XLT_KB_FLAG0_14_CNT);
/* check flag 0 - 14 */
for (i = 0; i < ICE_XLT_KB_FLAG0_14_CNT; i++) {
/* only check first entry */
u16 idx = entry->flg0_14_sel[i] & ICE_XLT_KB_MASK;
if (pkt_flag & BIT(idx))
flag |= (u16)BIT(i);
}
return flag;
}
/*** Parser API ***/
/**
* ice_parser_create - create a parser instance
* @hw: pointer to the hardware structure
*
* Return: a pointer to the allocated parser instance or ERR_PTR
* in case of error.
*/
struct ice_parser *ice_parser_create(struct ice_hw *hw)
{
struct ice_parser *p;
void *err;
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p)
return ERR_PTR(-ENOMEM);
p->hw = hw;
p->rt.psr = p;
p->imem_table = ice_imem_table_get(hw);
if (IS_ERR(p->imem_table)) {
err = p->imem_table;
goto err;
}
p->mi_table = ice_metainit_table_get(hw);
if (IS_ERR(p->mi_table)) {
err = p->mi_table;
goto err;
}
p->pg_cam_table = ice_pg_cam_table_get(hw);
if (IS_ERR(p->pg_cam_table)) {
err = p->pg_cam_table;
goto err;
}
p->pg_sp_cam_table = ice_pg_sp_cam_table_get(hw);
if (IS_ERR(p->pg_sp_cam_table)) {
err = p->pg_sp_cam_table;
goto err;
}
p->pg_nm_cam_table = ice_pg_nm_cam_table_get(hw);
if (IS_ERR(p->pg_nm_cam_table)) {
err = p->pg_nm_cam_table;
goto err;
}
p->pg_nm_sp_cam_table = ice_pg_nm_sp_cam_table_get(hw);
if (IS_ERR(p->pg_nm_sp_cam_table)) {
err = p->pg_nm_sp_cam_table;
goto err;
}
p->bst_tcam_table = ice_bst_tcam_table_get(hw);
if (IS_ERR(p->bst_tcam_table)) {
err = p->bst_tcam_table;
goto err;
}
p->bst_lbl_table = ice_bst_lbl_table_get(hw);
if (IS_ERR(p->bst_lbl_table)) {
err = p->bst_lbl_table;
goto err;
}
p->ptype_mk_tcam_table = ice_ptype_mk_tcam_table_get(hw);
if (IS_ERR(p->ptype_mk_tcam_table)) {
err = p->ptype_mk_tcam_table;
goto err;
}
p->mk_grp_table = ice_mk_grp_table_get(hw);
if (IS_ERR(p->mk_grp_table)) {
err = p->mk_grp_table;
goto err;
}
p->proto_grp_table = ice_proto_grp_table_get(hw);
if (IS_ERR(p->proto_grp_table)) {
err = p->proto_grp_table;
goto err;
}
p->flg_rd_table = ice_flg_rd_table_get(hw);
if (IS_ERR(p->flg_rd_table)) {
err = p->flg_rd_table;
goto err;
}
p->xlt_kb_sw = ice_xlt_kb_get_sw(hw);
if (IS_ERR(p->xlt_kb_sw)) {
err = p->xlt_kb_sw;
goto err;
}
p->xlt_kb_acl = ice_xlt_kb_get_acl(hw);
if (IS_ERR(p->xlt_kb_acl)) {
err = p->xlt_kb_acl;
goto err;
}
p->xlt_kb_fd = ice_xlt_kb_get_fd(hw);
if (IS_ERR(p->xlt_kb_fd)) {
err = p->xlt_kb_fd;
goto err;
}
p->xlt_kb_rss = ice_xlt_kb_get_rss(hw);
if (IS_ERR(p->xlt_kb_rss)) {
err = p->xlt_kb_rss;
goto err;
}
return p;
err:
ice_parser_destroy(p);
return err;
}
/**
* ice_parser_destroy - destroy a parser instance
* @psr: pointer to a parser instance
*/
void ice_parser_destroy(struct ice_parser *psr)
{
kfree(psr->imem_table);
kfree(psr->mi_table);
kfree(psr->pg_cam_table);
kfree(psr->pg_sp_cam_table);
kfree(psr->pg_nm_cam_table);
kfree(psr->pg_nm_sp_cam_table);
kfree(psr->bst_tcam_table);
kfree(psr->bst_lbl_table);
kfree(psr->ptype_mk_tcam_table);
kfree(psr->mk_grp_table);
kfree(psr->proto_grp_table);
kfree(psr->flg_rd_table);
kfree(psr->xlt_kb_sw);
kfree(psr->xlt_kb_acl);
kfree(psr->xlt_kb_fd);
kfree(psr->xlt_kb_rss);
kfree(psr);
}
/**
* ice_parser_run - parse on a packet in binary and return the result
* @psr: pointer to a parser instance
* @pkt_buf: packet data
* @pkt_len: packet length
* @rslt: input/output parameter to save parser result.
*
* Return: 0 on success or errno.
*/
int ice_parser_run(struct ice_parser *psr, const u8 *pkt_buf,
int pkt_len, struct ice_parser_result *rslt)
{
ice_parser_rt_reset(&psr->rt);
ice_parser_rt_pktbuf_set(&psr->rt, pkt_buf, pkt_len);
return ice_parser_rt_execute(&psr->rt, rslt);
}
/**
* ice_parser_result_dump - dump a parser result info
* @hw: pointer to the hardware structure
* @rslt: parser result info to dump
*/
void ice_parser_result_dump(struct ice_hw *hw, struct ice_parser_result *rslt)
{
struct device *dev = ice_hw_to_dev(hw);
int i;
dev_info(dev, "ptype = %d\n", rslt->ptype);
for (i = 0; i < rslt->po_num; i++)
dev_info(dev, "proto = %d, offset = %d\n",
rslt->po[i].proto_id, rslt->po[i].offset);
dev_info(dev, "flags_psr = 0x%016llx\n", rslt->flags_psr);
dev_info(dev, "flags_pkt = 0x%016llx\n", rslt->flags_pkt);
dev_info(dev, "flags_sw = 0x%04x\n", rslt->flags_sw);
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);
}
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
*
* Return: 0 on success or errno on failure.
*/
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
*
* Return: 0 on success or errno on failure.
*/
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
*
* Return: 0 on success or errno on failure.
*/
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);
}
/**
* ice_nearest_proto_id - find nearest protocol ID
* @rslt: pointer to a parser result instance
* @offset: a min value for the protocol offset
* @proto_id: the protocol ID (output)
* @proto_off: the protocol offset (output)
*
* From the protocols in @rslt, find the nearest protocol that has offset
* larger than @offset.
*
* Return: if true, the protocol's ID and offset
*/
static bool ice_nearest_proto_id(struct ice_parser_result *rslt, u16 offset,
u8 *proto_id, u16 *proto_off)
{
u16 dist = U16_MAX;
u8 proto = 0;
int i;
for (i = 0; i < rslt->po_num; i++) {
if (offset < rslt->po[i].offset)
continue;
if (offset - rslt->po[i].offset < dist) {
proto = rslt->po[i].proto_id;
dist = offset - rslt->po[i].offset;
}
}
if (dist % 2)
return false;
*proto_id = proto;
*proto_off = dist;
return true;
}
/* default flag mask to cover GTP_EH_PDU, GTP_EH_PDU_LINK and TUN2
* In future, the flag masks should learn from DDP
*/
#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_SW 0x4002
#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_ACL 0x0000
#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_FD 0x6080
#define ICE_KEYBUILD_FLAG_MASK_DEFAULT_RSS 0x6010
/**
* ice_parser_profile_init - initialize a FXP profile based on parser result
* @rslt: a instance of a parser result
* @pkt_buf: packet data buffer
* @msk_buf: packet mask buffer
* @buf_len: packet length
* @blk: FXP pipeline stage
* @prof: input/output parameter to save the profile
*
* Return: 0 on success or errno on failure.
*/
int ice_parser_profile_init(struct ice_parser_result *rslt,
const u8 *pkt_buf, const u8 *msk_buf,
int buf_len, enum ice_block blk,
struct ice_parser_profile *prof)
{
u8 proto_id = U8_MAX;
u16 proto_off = 0;
u16 off;
memset(prof, 0, sizeof(*prof));
set_bit(rslt->ptype, prof->ptypes);
if (blk == ICE_BLK_SW) {
prof->flags = rslt->flags_sw;
prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_SW;
} else if (blk == ICE_BLK_ACL) {
prof->flags = rslt->flags_acl;
prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_ACL;
} else if (blk == ICE_BLK_FD) {
prof->flags = rslt->flags_fd;
prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_FD;
} else if (blk == ICE_BLK_RSS) {
prof->flags = rslt->flags_rss;
prof->flags_msk = ICE_KEYBUILD_FLAG_MASK_DEFAULT_RSS;
} else {
return -EINVAL;
}
for (off = 0; off < buf_len - 1; off++) {
if (msk_buf[off] == 0 && msk_buf[off + 1] == 0)
continue;
if (!ice_nearest_proto_id(rslt, off, &proto_id, &proto_off))
continue;
if (prof->fv_num >= ICE_PARSER_FV_MAX)
return -EINVAL;
prof->fv[prof->fv_num].proto_id = proto_id;
prof->fv[prof->fv_num].offset = proto_off;
prof->fv[prof->fv_num].spec = *(const u16 *)&pkt_buf[off];
prof->fv[prof->fv_num].msk = *(const u16 *)&msk_buf[off];
prof->fv_num++;
}
return 0;
}
/**
* ice_parser_profile_dump - dump an FXP profile info
* @hw: pointer to the hardware structure
* @prof: profile info to dump
*/
void ice_parser_profile_dump(struct ice_hw *hw,
struct ice_parser_profile *prof)
{
struct device *dev = ice_hw_to_dev(hw);
u16 i;
dev_info(dev, "ptypes:\n");
for (i = 0; i < ICE_FLOW_PTYPE_MAX; i++)
if (test_bit(i, prof->ptypes))
dev_info(dev, "\t%u\n", i);
for (i = 0; i < prof->fv_num; i++)
dev_info(dev, "proto = %u, offset = %2u, spec = 0x%04x, mask = 0x%04x\n",
prof->fv[i].proto_id, prof->fv[i].offset,
prof->fv[i].spec, prof->fv[i].msk);
dev_info(dev, "flags = 0x%04x\n", prof->flags);
dev_info(dev, "flags_msk = 0x%04x\n", prof->flags_msk);
}
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