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Message-Id: <20230821081438.2937934-8-junfeng.guo@intel.com>
Date: Mon, 21 Aug 2023 16:14:30 +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,
Junfeng Guo <junfeng.guo@...el.com>
Subject: [PATCH iwl-next v6 07/15] ice: init marker and protocol group tables for parser
Parse DDP section ICE_SID_RXPARSER_MARKER_GRP into an array of
ice_mk_grp_item.
Parse DDP section ICE_SID_RXPARSER_PROTO_GRP into an array of
ice_proto_grp_item.
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
---
drivers/net/ethernet/intel/ice/ice_mk_grp.c | 51 +++++++++++
drivers/net/ethernet/intel/ice/ice_mk_grp.h | 17 ++++
drivers/net/ethernet/intel/ice/ice_parser.c | 20 +++++
drivers/net/ethernet/intel/ice/ice_parser.h | 8 ++
.../net/ethernet/intel/ice/ice_proto_grp.c | 90 +++++++++++++++++++
.../net/ethernet/intel/ice/ice_proto_grp.h | 31 +++++++
6 files changed, 217 insertions(+)
create mode 100644 drivers/net/ethernet/intel/ice/ice_mk_grp.c
create mode 100644 drivers/net/ethernet/intel/ice/ice_mk_grp.h
create mode 100644 drivers/net/ethernet/intel/ice/ice_proto_grp.c
create mode 100644 drivers/net/ethernet/intel/ice/ice_proto_grp.h
diff --git a/drivers/net/ethernet/intel/ice/ice_mk_grp.c b/drivers/net/ethernet/intel/ice/ice_mk_grp.c
new file mode 100644
index 000000000000..395e43343165
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_mk_grp.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2023 Intel Corporation */
+
+#include "ice_common.h"
+#include "ice_parser_util.h"
+
+/**
+ * ice_mk_grp_dump - dump an marker group item info
+ * @hw: pointer to the hardware structure
+ * @item: marker group item to dump
+ */
+void ice_mk_grp_dump(struct ice_hw *hw, struct ice_mk_grp_item *item)
+{
+ int i;
+
+ dev_info(ice_hw_to_dev(hw), "index = %d\n", item->idx);
+ dev_info(ice_hw_to_dev(hw), "markers: ");
+ for (i = 0; i < ICE_MK_COUNT_PER_GRP; i++)
+ dev_info(ice_hw_to_dev(hw), "%d ", item->markers[i]);
+ dev_info(ice_hw_to_dev(hw), "\n");
+}
+
+static void _ice_mk_grp_parse_item(struct ice_hw *hw, u16 idx, void *item,
+ void *data, int 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
+ */
+struct ice_mk_grp_item *ice_mk_grp_table_get(struct ice_hw *hw)
+{
+ return (struct ice_mk_grp_item *)
+ ice_parser_create_table(hw, ICE_SID_RXPARSER_MARKER_GRP,
+ sizeof(struct ice_mk_grp_item),
+ ICE_MK_GRP_TABLE_SIZE,
+ ice_parser_sect_item_get,
+ _ice_mk_grp_parse_item, false);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_mk_grp.h b/drivers/net/ethernet/intel/ice/ice_mk_grp.h
new file mode 100644
index 000000000000..c5c8734b9d3e
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_mk_grp.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2023 Intel Corporation */
+
+#ifndef _ICE_MK_GRP_H_
+#define _ICE_MK_GRP_H_
+
+#define ICE_MK_GRP_TABLE_SIZE 128
+#define ICE_MK_COUNT_PER_GRP 8
+
+struct ice_mk_grp_item {
+ int idx;
+ u8 markers[ICE_MK_COUNT_PER_GRP];
+};
+
+void ice_mk_grp_dump(struct ice_hw *hw, struct ice_mk_grp_item *item);
+struct ice_mk_grp_item *ice_mk_grp_table_get(struct ice_hw *hw);
+#endif /* _ICE_MK_GRP_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c
index 01684a7c5c75..4da2d4c21bab 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.c
+++ b/drivers/net/ethernet/intel/ice/ice_parser.c
@@ -62,6 +62,12 @@ void *ice_parser_sect_item_get(u32 sect_type, void *section,
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;
default:
return NULL;
}
@@ -202,6 +208,18 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
goto err;
}
+ p->mk_grp_table = ice_mk_grp_table_get(hw);
+ if (!p->mk_grp_table) {
+ status = -EINVAL;
+ goto err;
+ }
+
+ p->proto_grp_table = ice_proto_grp_table_get(hw);
+ if (!p->proto_grp_table) {
+ status = -EINVAL;
+ goto err;
+ }
+
*psr = p;
return 0;
err:
@@ -224,6 +242,8 @@ void ice_parser_destroy(struct ice_parser *psr)
devm_kfree(ice_hw_to_dev(psr->hw), psr->bst_tcam_table);
devm_kfree(ice_hw_to_dev(psr->hw), psr->bst_lbl_table);
devm_kfree(ice_hw_to_dev(psr->hw), psr->ptype_mk_tcam_table);
+ devm_kfree(ice_hw_to_dev(psr->hw), psr->mk_grp_table);
+ devm_kfree(ice_hw_to_dev(psr->hw), psr->proto_grp_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 c0ac4b2a9a6e..4038833450f2 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -9,6 +9,8 @@
#include "ice_pg_cam.h"
#include "ice_bst_tcam.h"
#include "ice_ptype_mk.h"
+#include "ice_mk_grp.h"
+#include "ice_proto_grp.h"
#define ICE_SEC_DATA_OFFSET 4
#define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE 48
@@ -19,6 +21,8 @@
#define ICE_SID_RXPARSER_NOMATCH_SPILL_ENTRY_SIZE 13
#define ICE_SID_RXPARSER_BOOST_TCAM_ENTRY_SIZE 88
#define ICE_SID_RXPARSER_MARKER_TYPE_ENTRY_SIZE 24
+#define ICE_SID_RXPARSER_MARKER_GRP_ENTRY_SIZE 8
+#define ICE_SID_RXPARSER_PROTO_GRP_ENTRY_SIZE 24
#define ICE_SEC_LBL_DATA_OFFSET 2
#define ICE_SID_LBL_ENTRY_SIZE 66
@@ -44,6 +48,10 @@ struct ice_parser {
struct ice_lbl_item *bst_lbl_table;
/* load data from section ICE_SID_RXPARSER_MARKER_PTYPE */
struct ice_ptype_mk_tcam_item *ptype_mk_tcam_table;
+ /* load data from section ICE_SID_RXPARSER_MARKER_GRP */
+ struct ice_mk_grp_item *mk_grp_table;
+ /* load data from section ICE_SID_RXPARSER_PROTO_GRP */
+ struct ice_proto_grp_item *proto_grp_table;
};
int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr);
diff --git a/drivers/net/ethernet/intel/ice/ice_proto_grp.c b/drivers/net/ethernet/intel/ice/ice_proto_grp.c
new file mode 100644
index 000000000000..c53970b47029
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_proto_grp.c
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2023 Intel Corporation */
+
+#include "ice_common.h"
+#include "ice_parser_util.h"
+
+static void _ice_proto_off_dump(struct ice_hw *hw, struct ice_proto_off *po,
+ int idx)
+{
+ dev_info(ice_hw_to_dev(hw), "proto %d\n", idx);
+ dev_info(ice_hw_to_dev(hw), "\tpolarity = %d\n", po->polarity);
+ dev_info(ice_hw_to_dev(hw), "\tproto_id = %d\n", po->proto_id);
+ dev_info(ice_hw_to_dev(hw), "\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
+ */
+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);
+}
+
+/** The function parses a 22 bits Protocol entry with below format:
+ * BIT 0: Polarity of Protocol Offset (po->polarity)
+ * BIT 1-8: Protocol ID (po->proto_id)
+ * BIT 9-11: reserved
+ * BIT 12-21: Protocol Offset (po->offset)
+ */
+static void _ice_proto_off_parse(struct ice_proto_off *po, u32 data)
+{
+ po->polarity = !!(data & ICE_PO_POL_M);
+ po->proto_id = (u8)((data >> ICE_PO_PID_S) & ICE_PO_PID_M);
+ po->offset = (u16)((data >> ICE_PO_OFF_S) & ICE_PO_OFF_M);
+}
+
+/** The function parses a 192 bits Protocol Group Table entry with below
+ * format:
+ * BIT 0-21: Protocol 0 (grp->po[0])
+ * BIT 22-43: Protocol 1 (grp->po[1])
+ * BIT 44-65: Protocol 2 (grp->po[2])
+ * BIT 66-87: Protocol 3 (grp->po[3])
+ * BIT 88-109: Protocol 4 (grp->po[4])
+ * BIT 110-131:Protocol 5 (grp->po[5])
+ * BIT 132-153:Protocol 6 (grp->po[6])
+ * BIT 154-175:Protocol 7 (grp->po[7])
+ * BIT 176-191:reserved
+ */
+static void _ice_proto_grp_parse_item(struct ice_hw *hw, u16 idx, void *item,
+ void *data, int 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
+ */
+struct ice_proto_grp_item *ice_proto_grp_table_get(struct ice_hw *hw)
+{
+ return (struct ice_proto_grp_item *)
+ ice_parser_create_table(hw, ICE_SID_RXPARSER_PROTO_GRP,
+ sizeof(struct ice_proto_grp_item),
+ ICE_PROTO_GRP_TABLE_SIZE,
+ ice_parser_sect_item_get,
+ _ice_proto_grp_parse_item, false);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_proto_grp.h b/drivers/net/ethernet/intel/ice/ice_proto_grp.h
new file mode 100644
index 000000000000..6e2b39151a92
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_proto_grp.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2023 Intel Corporation */
+
+#ifndef _ICE_PROTO_GRP_H_
+#define _ICE_PROTO_GRP_H_
+
+#define ICE_PROTO_COUNT_PER_GRP 8
+#define ICE_PROTO_GRP_TABLE_SIZE 192
+#define ICE_PROTO_GRP_ITEM_SIZE 22
+
+#define ICE_PO_POL_S 0
+#define ICE_PO_POL_M BITMAP_MASK(1)
+#define ICE_PO_PID_S 1
+#define ICE_PO_PID_M BITMAP_MASK(8)
+#define ICE_PO_OFF_S 12
+#define ICE_PO_OFF_M BITMAP_MASK(10)
+
+struct ice_proto_off {
+ bool polarity; /* true: positive, false: nagtive */
+ u8 proto_id;
+ u16 offset;
+};
+
+struct ice_proto_grp_item {
+ u16 idx;
+ struct ice_proto_off po[ICE_PROTO_COUNT_PER_GRP];
+};
+
+void ice_proto_grp_dump(struct ice_hw *hw, struct ice_proto_grp_item *item);
+struct ice_proto_grp_item *ice_proto_grp_table_get(struct ice_hw *hw);
+#endif /* _ICE_PROTO_GRP_H_ */
--
2.25.1
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