From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/include/uapi/linux/can/gw.h | 19 ++++++++++++++++---
1 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/kernel/include/uapi/linux/can/gw.h b/kernel/include/uapi/linux/can/gw.h
index 7bee7a0..c2190bb 100644
--- a/kernel/include/uapi/linux/can/gw.h
+++ b/kernel/include/uapi/linux/can/gw.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */
/*
* linux/can/gw.h
*
@@ -80,6 +80,10 @@
CGW_DELETED, /* number of deleted CAN frames (see max_hops param) */
CGW_LIM_HOPS, /* limit the number of hops of this specific rule */
CGW_MOD_UID, /* user defined identifier for modification updates */
+ CGW_FDMOD_AND, /* CAN FD frame modification binary AND */
+ CGW_FDMOD_OR, /* CAN FD frame modification binary OR */
+ CGW_FDMOD_XOR, /* CAN FD frame modification binary XOR */
+ CGW_FDMOD_SET, /* CAN FD frame modification set alternate values */
__CGW_MAX
};
@@ -88,15 +92,18 @@
#define CGW_FLAGS_CAN_ECHO 0x01
#define CGW_FLAGS_CAN_SRC_TSTAMP 0x02
#define CGW_FLAGS_CAN_IIF_TX_OK 0x04
+#define CGW_FLAGS_CAN_FD 0x08
#define CGW_MOD_FUNCS 4 /* AND OR XOR SET */
/* CAN frame elements that are affected by curr. 3 CAN frame modifications */
#define CGW_MOD_ID 0x01
-#define CGW_MOD_DLC 0x02
+#define CGW_MOD_DLC 0x02 /* contains the data length in bytes */
+#define CGW_MOD_LEN CGW_MOD_DLC /* CAN FD length representation */
#define CGW_MOD_DATA 0x04
+#define CGW_MOD_FLAGS 0x08 /* CAN FD flags */
-#define CGW_FRAME_MODS 3 /* ID DLC DATA */
+#define CGW_FRAME_MODS 4 /* ID DLC/LEN DATA FLAGS */
#define MAX_MODFUNCTIONS (CGW_MOD_FUNCS * CGW_FRAME_MODS)
@@ -105,7 +112,13 @@
__u8 modtype;
} __attribute__((packed));
+struct cgw_fdframe_mod {
+ struct canfd_frame cf;
+ __u8 modtype;
+} __attribute__((packed));
+
#define CGW_MODATTR_LEN sizeof(struct cgw_frame_mod)
+#define CGW_FDMODATTR_LEN sizeof(struct cgw_fdframe_mod)
struct cgw_csum_xor {
__s8 from_idx;
--
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