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Date: Mon, 4 Sep 2023 10:14:43 +0800
From: Junfeng Guo <junfeng.guo@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
anthony.l.nguyen@...el.com,
jesse.brandeburg@...el.com,
qi.z.zhang@...el.com,
ivecera@...hat.com,
sridhar.samudrala@...el.com,
horms@...nel.org,
kuba@...nel.org,
edumazet@...gle.com,
davem@...emloft.net,
pabeni@...hat.com,
Junfeng Guo <junfeng.guo@...el.com>
Subject: [PATCH iwl-next v9 03/15] ice: init metainit table for parser
Parse DDP section ICE_SID_RXPARSER_METADATA_INIT into an array of
struct ice_metainit_item.
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
---
drivers/net/ethernet/intel/ice/Makefile | 1 +
drivers/net/ethernet/intel/ice/ice_metainit.c | 193 ++++++++++++++++++
drivers/net/ethernet/intel/ice/ice_metainit.h | 47 +++++
drivers/net/ethernet/intel/ice/ice_parser.c | 10 +
drivers/net/ethernet/intel/ice/ice_parser.h | 4 +
.../net/ethernet/intel/ice/ice_parser_util.h | 1 +
6 files changed, 256 insertions(+)
create mode 100644 drivers/net/ethernet/intel/ice/ice_metainit.c
create mode 100644 drivers/net/ethernet/intel/ice/ice_metainit.h
diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile
index 2345081e8554..feb7ab8e0eed 100644
--- a/drivers/net/ethernet/intel/ice/Makefile
+++ b/drivers/net/ethernet/intel/ice/Makefile
@@ -28,6 +28,7 @@ ice-y := ice_main.o \
ice_flow.o \
ice_parser.o \
ice_imem.o \
+ ice_metainit.o \
ice_idc.o \
ice_devlink.o \
ice_ddp.o \
diff --git a/drivers/net/ethernet/intel/ice/ice_metainit.c b/drivers/net/ethernet/intel/ice/ice_metainit.c
new file mode 100644
index 000000000000..99cdd6e63a78
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_metainit.c
@@ -0,0 +1,193 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2023 Intel Corporation */
+
+#include "ice_common.h"
+#include "ice_parser_util.h"
+
+/**
+ * ice_metainit_dump - dump an metainit item info
+ * @hw: pointer to the hardware structure
+ * @item: metainit item to dump
+ */
+void ice_metainit_dump(struct ice_hw *hw, struct ice_metainit_item *item)
+{
+ dev_info(ice_hw_to_dev(hw), "index = %d\n", item->idx);
+
+ dev_info(ice_hw_to_dev(hw), "tsr = %d\n", item->tsr);
+ dev_info(ice_hw_to_dev(hw), "ho = %d\n", item->ho);
+ dev_info(ice_hw_to_dev(hw), "pc = %d\n", item->pc);
+ dev_info(ice_hw_to_dev(hw), "pg_rn = %d\n", item->pg_rn);
+ dev_info(ice_hw_to_dev(hw), "cd = %d\n", item->cd);
+
+ dev_info(ice_hw_to_dev(hw), "gpr_a_ctrl = %d\n", item->gpr_a_ctrl);
+ dev_info(ice_hw_to_dev(hw), "gpr_a_data_mdid = %d\n",
+ item->gpr_a_data_mdid);
+ dev_info(ice_hw_to_dev(hw), "gpr_a_data_start = %d\n",
+ item->gpr_a_data_start);
+ dev_info(ice_hw_to_dev(hw), "gpr_a_data_len = %d\n",
+ item->gpr_a_data_len);
+ dev_info(ice_hw_to_dev(hw), "gpr_a_id = %d\n", item->gpr_a_id);
+
+ dev_info(ice_hw_to_dev(hw), "gpr_b_ctrl = %d\n", item->gpr_b_ctrl);
+ dev_info(ice_hw_to_dev(hw), "gpr_b_data_mdid = %d\n",
+ item->gpr_b_data_mdid);
+ dev_info(ice_hw_to_dev(hw), "gpr_b_data_start = %d\n",
+ item->gpr_b_data_start);
+ dev_info(ice_hw_to_dev(hw), "gpr_b_data_len = %d\n",
+ item->gpr_b_data_len);
+ dev_info(ice_hw_to_dev(hw), "gpr_b_id = %d\n", item->gpr_b_id);
+
+ dev_info(ice_hw_to_dev(hw), "gpr_c_ctrl = %d\n", item->gpr_c_ctrl);
+ dev_info(ice_hw_to_dev(hw), "gpr_c_data_mdid = %d\n",
+ item->gpr_c_data_mdid);
+ dev_info(ice_hw_to_dev(hw), "gpr_c_data_start = %d\n",
+ item->gpr_c_data_start);
+ dev_info(ice_hw_to_dev(hw), "gpr_c_data_len = %d\n",
+ item->gpr_c_data_len);
+ dev_info(ice_hw_to_dev(hw), "gpr_c_id = %d\n", item->gpr_c_id);
+
+ dev_info(ice_hw_to_dev(hw), "gpr_d_ctrl = %d\n", item->gpr_d_ctrl);
+ dev_info(ice_hw_to_dev(hw), "gpr_d_data_mdid = %d\n",
+ item->gpr_d_data_mdid);
+ dev_info(ice_hw_to_dev(hw), "gpr_d_data_start = %d\n",
+ item->gpr_d_data_start);
+ dev_info(ice_hw_to_dev(hw), "gpr_d_data_len = %d\n",
+ item->gpr_d_data_len);
+ dev_info(ice_hw_to_dev(hw), "gpr_d_id = %d\n", item->gpr_d_id);
+
+ dev_info(ice_hw_to_dev(hw), "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 GENMASK_ULL(65 - ICE_MI_GBDM_S, 61 - ICE_MI_GBDM_S)
+#define ICE_MI_GBDS GENMASK_ULL(69 - ICE_MI_GBDM_S, 66 - ICE_MI_GBDM_S)
+#define ICE_MI_GBDL GENMASK_ULL(74 - ICE_MI_GBDM_S, 70 - ICE_MI_GBDM_S)
+#define ICE_MI_GBI GENMASK_ULL(80 - ICE_MI_GBDM_S, 77 - ICE_MI_GBDM_S)
+#define ICE_MI_GCC BIT_ULL(81 - ICE_MI_GBDM_S)
+#define ICE_MI_GCDM GENMASK_ULL(86 - ICE_MI_GBDM_S, 82 - ICE_MI_GBDM_S)
+#define ICE_MI_GCDS GENMASK_ULL(90 - ICE_MI_GBDM_S, 87 - ICE_MI_GBDM_S)
+#define ICE_MI_GCDL GENMASK_ULL(95 - ICE_MI_GBDM_S, 91 - ICE_MI_GBDM_S)
+#define ICE_MI_GCI GENMASK_ULL(101 - ICE_MI_GBDM_S, 98 - ICE_MI_GBDM_S)
+#define ICE_MI_GDC BIT_ULL(102 - ICE_MI_GBDM_S)
+#define ICE_MI_GDDM GENMASK_ULL(107 - ICE_MI_GBDM_S, 103 - ICE_MI_GBDM_S)
+#define ICE_MI_GDDS GENMASK_ULL(111 - ICE_MI_GBDM_S, 108 - ICE_MI_GBDM_S)
+#define ICE_MI_GDDL GENMASK_ULL(116 - ICE_MI_GBDM_S, 112 - ICE_MI_GBDM_S)
+#define ICE_MI_GDI GENMASK_ULL(122 - ICE_MI_GBDM_S, 119 - ICE_MI_GBDM_S)
+#define ICE_MI_FLAG_S 123 /* offset for the 3rd 64-bits field */
+#define ICE_MI_FLAG GENMASK_ULL(186 - ICE_MI_FLAG_S, 123 - ICE_MI_FLAG_S)
+
+/** The function parses a 192 bits Metadata Init entry with below format:
+ * BIT 0-7: TCAM Search Key Register (mi->tsr)
+ * BIT 8-16: Header Offset (mi->ho)
+ * BIT 17-24: Program Counter (mi->pc)
+ * BIT 25-35: Parse Graph Root Node (mi->pg_rn)
+ * BIT 36-38: Control Domain (mi->cd)
+ * BIT 39: GPR_A Data Control (mi->gpr_a_ctrl)
+ * BIT 40-44: GPR_A MDID.ID (mi->gpr_a_data_mdid)
+ * BIT 45-48: GPR_A MDID.START (mi->gpr_a_data_start)
+ * BIT 49-53: GPR_A MDID.LEN (mi->gpr_a_data_len)
+ * BIT 54-55: reserved
+ * BIT 56-59: GPR_A ID (mi->gpr_a_id)
+ * BIT 60: GPR_B Data Control (mi->gpr_b_ctrl)
+ * BIT 61-65: GPR_B MDID.ID (mi->gpr_b_data_mdid)
+ * BIT 66-69: GPR_B MDID.START (mi->gpr_b_data_start)
+ * BIT 70-74: GPR_B MDID.LEN (mi->gpr_b_data_len)
+ * BIT 75-76: reserved
+ * BIT 77-80: GPR_B ID (mi->gpr_a_id)
+ * BIT 81: GPR_C Data Control (mi->gpr_c_ctrl)
+ * BIT 82-86: GPR_C MDID.ID (mi->gpr_c_data_mdid)
+ * BIT 87-90: GPR_C MDID.START (mi->gpr_c_data_start)
+ * BIT 91-95: GPR_C MDID.LEN (mi->gpr_c_data_len)
+ * BIT 96-97: reserved
+ * BIT 98-101: GPR_C ID (mi->gpr_c_id)
+ * BIT 102: GPR_D Data Control (mi->gpr_d_ctrl)
+ * BIT 103-107:GPR_D MDID.ID (mi->gpr_d_data_mdid)
+ * BIT 108-111:GPR_D MDID.START (mi->gpr_d_data_start)
+ * BIT 112-116:GPR_D MDID.LEN (mi->gpr_d_data_len)
+ * BIT 117-118:reserved
+ * BIT 119-122:GPR_D ID (mi->gpr_d_id)
+ * BIT 123-186:Flags (mi->flags)
+ * BIT 187-191:rserved
+ */
+static void _ice_metainit_parse_item(struct ice_hw *hw, u16 idx, void *item,
+ void *data, int size)
+{
+ struct ice_metainit_item *mi = item;
+ u8 *buf = (u8 *)data;
+ u8 idd, off;
+ 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);
+
+ idd = ICE_MI_GBDM_S / BITS_PER_BYTE;
+ off = ICE_MI_GBDM_S % BITS_PER_BYTE;
+ d64 = *((u64 *)&buf[idd]) >> 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);
+
+ idd = ICE_MI_FLAG_S / BITS_PER_BYTE;
+ off = ICE_MI_FLAG_S % BITS_PER_BYTE;
+ d64 = *((u64 *)&buf[idd]) >> 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
+ */
+struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw)
+{
+ return (struct ice_metainit_item *)
+ ice_parser_create_table(hw, ICE_SID_RXPARSER_METADATA_INIT,
+ sizeof(struct ice_metainit_item),
+ ICE_METAINIT_TABLE_SIZE,
+ ice_parser_sect_item_get,
+ _ice_metainit_parse_item);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_metainit.h b/drivers/net/ethernet/intel/ice/ice_metainit.h
new file mode 100644
index 000000000000..e131a53b54ad
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_metainit.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2023 Intel Corporation */
+
+#ifndef _ICE_METAINIT_H_
+#define _ICE_METAINIT_H_
+
+#define ICE_METAINIT_TABLE_SIZE 16
+
+struct ice_metainit_item {
+ u16 idx;
+
+ u8 tsr;
+ u16 ho;
+ u16 pc;
+ u16 pg_rn;
+ u8 cd;
+
+ bool gpr_a_ctrl;
+ u8 gpr_a_data_mdid;
+ u8 gpr_a_data_start;
+ u8 gpr_a_data_len;
+ u8 gpr_a_id;
+
+ bool gpr_b_ctrl;
+ u8 gpr_b_data_mdid;
+ u8 gpr_b_data_start;
+ u8 gpr_b_data_len;
+ u8 gpr_b_id;
+
+ bool gpr_c_ctrl;
+ u8 gpr_c_data_mdid;
+ u8 gpr_c_data_start;
+ u8 gpr_c_data_len;
+ u8 gpr_c_id;
+
+ bool gpr_d_ctrl;
+ u8 gpr_d_data_mdid;
+ u8 gpr_d_data_start;
+ u8 gpr_d_data_len;
+ u8 gpr_d_id;
+
+ u64 flags;
+};
+
+void ice_metainit_dump(struct ice_hw *hw, struct ice_metainit_item *item);
+struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw);
+#endif /*_ICE_METAINIT_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c
index dd089c859616..e2e49fcf69c1 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.c
+++ b/drivers/net/ethernet/intel/ice/ice_parser.c
@@ -25,6 +25,9 @@ void *ice_parser_sect_item_get(u32 sect_type, void *section,
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;
default:
return NULL;
}
@@ -111,6 +114,12 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
goto err;
}
+ p->mi_table = ice_metainit_table_get(hw);
+ if (!p->mi_table) {
+ status = -EINVAL;
+ goto err;
+ }
+
*psr = p;
return 0;
err:
@@ -125,6 +134,7 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
void ice_parser_destroy(struct ice_parser *psr)
{
devm_kfree(ice_hw_to_dev(psr->hw), psr->imem_table);
+ devm_kfree(ice_hw_to_dev(psr->hw), psr->mi_table);
devm_kfree(ice_hw_to_dev(psr->hw), psr);
}
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h
index b63c27ec481d..b52abad747b2 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -4,16 +4,20 @@
#ifndef _ICE_PARSER_H_
#define _ICE_PARSER_H_
+#include "ice_metainit.h"
#include "ice_imem.h"
#define ICE_SEC_DATA_OFFSET 4
#define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE 48
+#define ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE 24
struct ice_parser {
struct ice_hw *hw; /* pointer to the hardware structure */
/* load data from section ICE_SID_RX_PARSER_IMEM */
struct ice_imem_item *imem_table;
+ /* load data from section ICE_SID_RXPARSER_METADATA_INIT */
+ struct ice_metainit_item *mi_table;
};
int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr);
diff --git a/drivers/net/ethernet/intel/ice/ice_parser_util.h b/drivers/net/ethernet/intel/ice/ice_parser_util.h
index 32371458b581..42a91bd51a51 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser_util.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser_util.h
@@ -5,6 +5,7 @@
#define _ICE_PARSER_UTIL_H_
#include "ice_imem.h"
+#include "ice_metainit.h"
struct ice_pkg_sect_hdr {
__le16 count;
--
2.25.1
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