Felmeddelanden

This commit is contained in:
vanten-s 2024-07-14 22:17:29 +02:00
parent 8bd3156023
commit cf5f454e43
Signed by: vanten-s
GPG key ID: DE3060396884D3F2
2 changed files with 18 additions and 16 deletions

View file

@ -1 +1,7 @@
obj-m += postage.o
all:
bash build.sh
clean:
bash clean.sh

View file

@ -10,8 +10,8 @@ struct net_device *dev;
static int my_eth_init(struct net_device *dev)
{
// Initialize device
printk(KERN_INFO "My Ethernet device initialized\n");
netif_start_queue(dev);
printk(KERN_INFO "Postens initades\n");
return 0;
}
@ -19,7 +19,7 @@ static int my_eth_init(struct net_device *dev)
static void my_eth_exit(struct net_device *dev)
{
// Cleanup device
pr_info(KERN_INFO "My Ethernet device exited\n");
pr_info(KERN_INFO "Posten slutade\n");
netif_stop_queue(dev);
}
@ -27,7 +27,7 @@ static netdev_tx_t my_eth_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
// Start xmit
printk(KERN_INFO "My Ethernet device start xmit\n");
printk(KERN_INFO "Posten ska skicka nåt\n");
printk("len: %d\n", skb->len);
for (int i = 0; i < skb->len; i++) {
printk("data: %c\n", skb->data[i]);
@ -45,30 +45,28 @@ static struct net_device_ops my_netdev_ops = {
.ndo_start_xmit = my_eth_start_xmit
};
void init_testcard(struct net_device *dev)
void init_poster(struct net_device *dev)
{
dev->netdev_ops = &my_netdev_ops;
printk("Init testcard\n");
printk(KERN_INFO "Postens allokerades\n");
}
struct net_device testcard;
int register_device(void) {
dev = alloc_netdev(0, "myeth%d", NET_NAME_UNKNOWN, init_testcard);
printk(KERN_INFO "Posten skapas\n");
dev = alloc_netdev(0, "post%d", NET_NAME_UNKNOWN, init_poster);
if (!dev)
return -ENOMEM;
printk("Registering\n");
if (register_netdev(dev)) {
printk("Failed :(\n");
printk(KERN_ERR "Men vafan Linux vill inte registrera postjävel :(\n");
free_netdev(dev);
return -ENODEV;
}
printk("Registered\n");
return 0;
}
@ -76,7 +74,7 @@ int __init custom_init(void)
{
int err;
if ((err = register_device())) {
printk("Error loading postage\n");
printk(KERN_ERR "Postjävel funkar inte\n");
return err;
}
@ -86,15 +84,13 @@ int __init custom_init(void)
void __exit custom_exit(void)
{
if (!dev) {
printk(KERN_ERR "Ethernet device not found\n");
printk(KERN_ERR "Postjävel finns inte :/\n");
return;
}
unregister_netdev(dev);
printk(KERN_INFO "Ethernet device unregistered\n");
free_netdev(dev);
printk(KERN_INFO "Ethernet device freed\n");
printk(KERN_INFO "Posten försvann :,)\n");
}
module_init(custom_init);