From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/net/can/vcan.c | 26 ++++++++++++--------------
1 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/kernel/drivers/net/can/vcan.c b/kernel/drivers/net/can/vcan.c
index d200a5b..067705e 100644
--- a/kernel/drivers/net/can/vcan.c
+++ b/kernel/drivers/net/can/vcan.c
@@ -1,5 +1,4 @@
-/*
- * vcan.c - Virtual CAN interface
+/* vcan.c - Virtual CAN interface
*
* Copyright (c) 2002-2017 Volkswagen Group Electronic Research
* All rights reserved.
@@ -39,12 +38,15 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/can.h>
+#include <linux/can/can-ml.h>
#include <linux/can/dev.h>
#include <linux/can/skb.h>
#include <linux/slab.h>
@@ -57,9 +59,7 @@
MODULE_AUTHOR("Urs Thuermann <urs.thuermann@volkswagen.de>");
MODULE_ALIAS_RTNL_LINK(DRV_NAME);
-
-/*
- * CAN test feature:
+/* CAN test feature:
* Enable the echo on driver level for testing the CAN core echo modes.
* See Documentation/networking/can.rst for details.
*/
@@ -67,7 +67,6 @@
static bool echo; /* echo testing. Default: 0 (Off) */
module_param(echo, bool, 0444);
MODULE_PARM_DESC(echo, "Echo sent frames (for testing). Default: 0 (Off)");
-
static void vcan_rx(struct sk_buff *skb, struct net_device *dev)
{
@@ -101,10 +100,8 @@
if (!echo) {
/* no echo handling available inside this driver */
-
if (loop) {
- /*
- * only count the packets here, because the
+ /* only count the packets here, because the
* CAN core already did the echo for us
*/
stats->rx_packets++;
@@ -117,7 +114,6 @@
/* perform standard echo handling for CAN network interfaces */
if (loop) {
-
skb = can_create_echo_skb(skb);
if (!skb)
return NETDEV_TX_OK;
@@ -157,6 +153,7 @@
dev->addr_len = 0;
dev->tx_queue_len = 0;
dev->flags = IFF_NOARP;
+ can_set_ml_priv(dev, netdev_priv(dev));
/* set flags according to driver capabilities */
if (echo)
@@ -167,16 +164,17 @@
}
static struct rtnl_link_ops vcan_link_ops __read_mostly = {
- .kind = DRV_NAME,
- .setup = vcan_setup,
+ .kind = DRV_NAME,
+ .priv_size = sizeof(struct can_ml_priv),
+ .setup = vcan_setup,
};
static __init int vcan_init_module(void)
{
- pr_info("vcan: Virtual CAN interface driver\n");
+ pr_info("Virtual CAN interface driver\n");
if (echo)
- printk(KERN_INFO "vcan: enabled echo on driver level.\n");
+ pr_info("enabled echo on driver level.\n");
return rtnl_link_register(&vcan_link_ops);
}
--
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