summaryrefslogtreecommitdiff
path: root/arch/um/drivers/slip_kern.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/drivers/slip_kern.c')
-rw-r--r--arch/um/drivers/slip_kern.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c
deleted file mode 100644
index c58ccdcc16d6..000000000000
--- a/arch/um/drivers/slip_kern.c
+++ /dev/null
@@ -1,93 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-#include <linux/if_arp.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <net_kern.h>
-#include "slip.h"
-
-struct slip_init {
- char *gate_addr;
-};
-
-static void slip_init(struct net_device *dev, void *data)
-{
- struct uml_net_private *private;
- struct slip_data *spri;
- struct slip_init *init = data;
-
- private = netdev_priv(dev);
- spri = (struct slip_data *) private->user;
-
- memset(spri->name, 0, sizeof(spri->name));
- spri->addr = NULL;
- spri->gate_addr = init->gate_addr;
- spri->slave = -1;
- spri->dev = dev;
-
- slip_proto_init(&spri->slip);
-
- dev->hard_header_len = 0;
- dev->header_ops = NULL;
- dev->addr_len = 0;
- dev->type = ARPHRD_SLIP;
- dev->tx_queue_len = 256;
- dev->flags = IFF_NOARP;
- printk("SLIP backend - SLIP IP = %s\n", spri->gate_addr);
-}
-
-static unsigned short slip_protocol(struct sk_buff *skbuff)
-{
- return htons(ETH_P_IP);
-}
-
-static int slip_read(int fd, struct sk_buff *skb, struct uml_net_private *lp)
-{
- return slip_user_read(fd, skb_mac_header(skb), skb->dev->mtu,
- (struct slip_data *) &lp->user);
-}
-
-static int slip_write(int fd, struct sk_buff *skb, struct uml_net_private *lp)
-{
- return slip_user_write(fd, skb->data, skb->len,
- (struct slip_data *) &lp->user);
-}
-
-static const struct net_kern_info slip_kern_info = {
- .init = slip_init,
- .protocol = slip_protocol,
- .read = slip_read,
- .write = slip_write,
-};
-
-static int slip_setup(char *str, char **mac_out, void *data)
-{
- struct slip_init *init = data;
-
- *init = ((struct slip_init) { .gate_addr = NULL });
-
- if (str[0] != '\0')
- init->gate_addr = str;
- return 1;
-}
-
-static struct transport slip_transport = {
- .list = LIST_HEAD_INIT(slip_transport.list),
- .name = "slip",
- .setup = slip_setup,
- .user = &slip_user_info,
- .kern = &slip_kern_info,
- .private_size = sizeof(struct slip_data),
- .setup_size = sizeof(struct slip_init),
-};
-
-static int register_slip(void)
-{
- register_transport(&slip_transport);
- return 0;
-}
-
-late_initcall(register_slip);