diff options
Diffstat (limited to 'arch/um/drivers/slip_kern.c')
-rw-r--r-- | arch/um/drivers/slip_kern.c | 93 |
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); |