Subject: [PATCH iwl-next v7 06/15] ice: init ptype marker tcam table for parser

From: Junfeng Guo <[email-masked]>
Date: Wed, 23 Aug 2023 17:31:49 +0800

Parse DDP section ICE_SID_RXPARSER_MARKER_PTYPE into an array of
ice_ptype_mk_tcam_item.

Signed-off-by: Junfeng Guo <[email-masked]>
---
 drivers/net/ethernet/intel/ice/ice_parser.c   | 10 ++++
 drivers/net/ethernet/intel/ice/ice_parser.h   |  4 ++
 drivers/net/ethernet/intel/ice/ice_ptype_mk.c | 51 +++++++++++++++++++
 drivers/net/ethernet/intel/ice/ice_ptype_mk.h | 20 ++++++++
 4 files changed, 85 insertions(+)
 create mode 100644 drivers/net/ethernet/intel/ice/ice_ptype_mk.c
 create mode 100644 drivers/net/ethernet/intel/ice/ice_ptype_mk.h

diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c
index e5f0ae7be612..01684a7c5c75 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.c
+++ b/drivers/net/ethernet/intel/ice/ice_parser.c
@@ -59,6 +59,9 @@ void *ice_parser_sect_item_get(u32 sect_type, void *section,
 		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;
 	default:
 		return NULL;
 	}
@@ -193,6 +196,12 @@ int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
 		goto err;
 	}
 
+	p->ptype_mk_tcam_table = ice_ptype_mk_tcam_table_get(hw);
+	if (!p->ptype_mk_tcam_table) {
+		status = -EINVAL;
+		goto err;
+	}
+
 	*psr = p;
 	return 0;
 err:
@@ -214,6 +223,7 @@ void ice_parser_destroy(struct ice_parser *psr)
 	devm_kfree(ice_hw_to_dev(psr->hw), psr->pg_nm_sp_cam_table);
 	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);
 }
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h
index 14d17c7c8479..c0ac4b2a9a6e 100644
--- a/drivers/net/ethernet/intel/ice/ice_parser.h
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -8,6 +8,7 @@
 #include "ice_imem.h"
 #include "ice_pg_cam.h"
 #include "ice_bst_tcam.h"
+#include "ice_ptype_mk.h"
 
 #define ICE_SEC_DATA_OFFSET				4
 #define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE		48
@@ -17,6 +18,7 @@
 #define ICE_SID_RXPARSER_NOMATCH_CAM_ENTRY_SIZE		12
 #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_SEC_LBL_DATA_OFFSET				2
 #define ICE_SID_LBL_ENTRY_SIZE				66
@@ -40,6 +42,8 @@ struct ice_parser {
 	struct ice_bst_tcam_item *bst_tcam_table;
 	/* load data from section ICE_SID_LBL_RXPARSER_TMEM */
 	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;
 };
 
 int ice_parser_create(struct ice_hw *hw, struct ice_parser **psr);
diff --git a/drivers/net/ethernet/intel/ice/ice_ptype_mk.c b/drivers/net/ethernet/intel/ice/ice_ptype_mk.c
new file mode 100644
index 000000000000..ee7b09618d54
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_ptype_mk.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_ptype_mk_tcam_dump - dump an ptype marker tcam info_
+ * @hw: pointer to the hardware structure
+ * @item: ptype marker tcam to dump
+ */
+void ice_ptype_mk_tcam_dump(struct ice_hw *hw,
+			    struct ice_ptype_mk_tcam_item *item)
+{
+	int i;
+
+	dev_info(ice_hw_to_dev(hw), "address = %d\n", item->address);
+	dev_info(ice_hw_to_dev(hw), "ptype = %d\n", item->ptype);
+	dev_info(ice_hw_to_dev(hw), "key    :");
+	for (i = 0; i < ICE_PTYPE_MK_TCAM_KEY_SIZE; i++)
+		dev_info(ice_hw_to_dev(hw), "%02x ", item->key[i]);
+	dev_info(ice_hw_to_dev(hw), "\n");
+	dev_info(ice_hw_to_dev(hw), "key_inv:");
+	for (i = 0; i < ICE_PTYPE_MK_TCAM_KEY_SIZE; i++)
+		dev_info(ice_hw_to_dev(hw), "%02x ", item->key_inv[i]);
+	dev_info(ice_hw_to_dev(hw), "\n");
+}
+
+static void _ice_parse_ptype_mk_tcam_item(struct ice_hw *hw, u16 idx,
+					  void *item, void *data, int size)
+{
+	ice_parse_item_dflt(hw, idx, 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
+ */
+struct ice_ptype_mk_tcam_item *ice_ptype_mk_tcam_table_get(struct ice_hw *hw)
+{
+	return (struct ice_ptype_mk_tcam_item *)
+		ice_parser_create_table(hw, ICE_SID_RXPARSER_MARKER_PTYPE,
+					sizeof(struct ice_ptype_mk_tcam_item),
+					ICE_PTYPE_MK_TCAM_TABLE_SIZE,
+					ice_parser_sect_item_get,
+					_ice_parse_ptype_mk_tcam_item, true);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_ptype_mk.h b/drivers/net/ethernet/intel/ice/ice_ptype_mk.h
new file mode 100644
index 000000000000..4a071d823bea
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_ptype_mk.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2023 Intel Corporation */
+
+#ifndef _ICE_PTYPE_MK_H_
+#define _ICE_PTYPE_MK_H_
+
+#define ICE_PTYPE_MK_TCAM_TABLE_SIZE	1024
+#define ICE_PTYPE_MK_TCAM_KEY_SIZE	10
+
+struct ice_ptype_mk_tcam_item {
+	u16 address;
+	u16 ptype;
+	u8 key[ICE_PTYPE_MK_TCAM_KEY_SIZE];
+	u8 key_inv[ICE_PTYPE_MK_TCAM_KEY_SIZE];
+};
+
+void ice_ptype_mk_tcam_dump(struct ice_hw *hw,
+			    struct ice_ptype_mk_tcam_item *item);
+struct ice_ptype_mk_tcam_item *ice_ptype_mk_tcam_table_get(struct ice_hw *hw);
+#endif /* _ICE_PTYPE_MK_H_ */
-- 
2.25.1