Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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109
arch/um/drivers/slip_kern.c
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109
arch/um/drivers/slip_kern.c
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#include "linux/config.h"
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#include "linux/kernel.h"
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#include "linux/stddef.h"
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#include "linux/init.h"
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#include "linux/netdevice.h"
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#include "linux/if_arp.h"
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#include "net_kern.h"
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#include "net_user.h"
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#include "kern.h"
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#include "slip.h"
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struct slip_init {
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char *gate_addr;
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};
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void slip_init(struct net_device *dev, void *data)
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{
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struct uml_net_private *private;
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struct slip_data *spri;
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struct slip_init *init = data;
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private = dev->priv;
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spri = (struct slip_data *) private->user;
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*spri = ((struct slip_data)
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{ .name = { '\0' },
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.addr = NULL,
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.gate_addr = init->gate_addr,
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.slave = -1,
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.ibuf = { '\0' },
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.obuf = { '\0' },
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.pos = 0,
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.esc = 0,
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.dev = dev });
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dev->init = NULL;
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dev->hard_header_len = 0;
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dev->addr_len = 4;
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dev->type = ARPHRD_ETHER;
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dev->tx_queue_len = 256;
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dev->flags = IFF_NOARP;
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printk("SLIP backend - SLIP IP = %s\n", spri->gate_addr);
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}
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static unsigned short slip_protocol(struct sk_buff *skbuff)
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{
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return(htons(ETH_P_IP));
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}
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static int slip_read(int fd, struct sk_buff **skb,
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struct uml_net_private *lp)
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{
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return(slip_user_read(fd, (*skb)->mac.raw, (*skb)->dev->mtu,
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(struct slip_data *) &lp->user));
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}
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static int slip_write(int fd, struct sk_buff **skb,
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struct uml_net_private *lp)
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{
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return(slip_user_write(fd, (*skb)->data, (*skb)->len,
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(struct slip_data *) &lp->user));
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}
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struct net_kern_info slip_kern_info = {
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.init = slip_init,
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.protocol = slip_protocol,
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.read = slip_read,
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.write = slip_write,
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};
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static int slip_setup(char *str, char **mac_out, void *data)
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{
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struct slip_init *init = data;
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*init = ((struct slip_init)
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{ .gate_addr = NULL });
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if(str[0] != '\0')
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init->gate_addr = str;
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return(1);
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}
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static struct transport slip_transport = {
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.list = LIST_HEAD_INIT(slip_transport.list),
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.name = "slip",
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.setup = slip_setup,
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.user = &slip_user_info,
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.kern = &slip_kern_info,
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.private_size = sizeof(struct slip_data),
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.setup_size = sizeof(struct slip_init),
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};
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static int register_slip(void)
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{
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register_transport(&slip_transport);
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return(1);
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}
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__initcall(register_slip);
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/*
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* Overrides for Emacs so that we follow Linus's tabbing style.
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* Emacs will notice this stuff at the end of the file and automatically
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* adjust the settings for this buffer only. This must remain at the end
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* of the file.
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* ---------------------------------------------------------------------------
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* Local variables:
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* c-file-style: "linux"
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* End:
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*/
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