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Message-ID: <20240724213623.324532-2-ahmed.zaki@intel.com>
Date: Wed, 24 Jul 2024 15:36:10 -0600
From: Ahmed Zaki <ahmed.zaki@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	anthony.l.nguyen@...el.com,
	horms@...nel.org,
	przemyslaw.kitszel@...el.com,
	Junfeng Guo <junfeng.guo@...el.com>,
	Marcin Szycik <marcin.szycik@...ux.intel.com>,
	Wojciech Drewek <wojciech.drewek@...el.com>,
	Ahmed Zaki <ahmed.zaki@...el.com>,
	Rafal Romanowski <rafal.romanowski@...el.com>
Subject: [PATCH iwl-next v4 01/13] ice: add parser create and destroy skeleton

From: Junfeng Guo <junfeng.guo@...el.com>

Add new parser module which can parse a packet in binary and generate
information like ptype, protocol/offset pairs and flags which can be later
used to feed the FXP profile creation directly.

Add skeleton of the create and destroy APIs:
ice_parser_create()
ice_parser_destroy()

Reviewed-by: Simon Horman <horms@...nel.org>
Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
Signed-off-by: Qi Zhang <qi.z.zhang@...el.com>
Signed-off-by: Junfeng Guo <junfeng.guo@...el.com>
Co-developed-by: Ahmed Zaki <ahmed.zaki@...el.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@...el.com>
Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>
---
 drivers/net/ethernet/intel/ice/Makefile     |  1 +
 drivers/net/ethernet/intel/ice/ice_common.h |  1 +
 drivers/net/ethernet/intel/ice/ice_parser.c | 32 +++++++++++++++++++++
 drivers/net/ethernet/intel/ice/ice_parser.h | 13 +++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 drivers/net/ethernet/intel/ice/ice_parser.c
 create mode 100644 drivers/net/ethernet/intel/ice/ice_parser.h

diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile
index 03500e28ac99..23fa3f7f36ef 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_vlan_mode.o \
 	 ice_flex_pipe.o \
 	 ice_flow.o	\
+	 ice_parser.o    \
 	 ice_idc.o	\
 	 devlink/devlink.o	\
 	 devlink/devlink_port.o \
diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h
index 66f29bac783a..27208a60cece 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.h
+++ b/drivers/net/ethernet/intel/ice/ice_common.h
@@ -10,6 +10,7 @@
 #include "ice_type.h"
 #include "ice_nvm.h"
 #include "ice_flex_pipe.h"
+#include "ice_parser.h"
 #include <linux/avf/virtchnl.h>
 #include "ice_switch.h"
 #include "ice_fdir.h"
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.c b/drivers/net/ethernet/intel/ice/ice_parser.c
new file mode 100644
index 000000000000..6c50164efae0
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_parser.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2024 Intel Corporation */
+
+#include "ice_common.h"
+
+/**
+ * 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;
+
+	p = kzalloc(sizeof(*p), GFP_KERNEL);
+	if (!p)
+		return ERR_PTR(-ENOMEM);
+
+	p->hw = hw;
+	return p;
+}
+
+/**
+ * ice_parser_destroy - destroy a parser instance
+ * @psr: pointer to a parser instance
+ */
+void ice_parser_destroy(struct ice_parser *psr)
+{
+	kfree(psr);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_parser.h b/drivers/net/ethernet/intel/ice/ice_parser.h
new file mode 100644
index 000000000000..09ed380eee32
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_parser.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2024 Intel Corporation */
+
+#ifndef _ICE_PARSER_H_
+#define _ICE_PARSER_H_
+
+struct ice_parser {
+	struct ice_hw *hw; /* pointer to the hardware structure */
+};
+
+struct ice_parser *ice_parser_create(struct ice_hw *hw);
+void ice_parser_destroy(struct ice_parser *psr);
+#endif /* _ICE_PARSER_H_ */
-- 
2.43.0


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