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Diffstat (limited to 'arch/um/drivers/slirp_kern.c')
-rw-r--r--arch/um/drivers/slirp_kern.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/um/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c
deleted file mode 100644
index 0a6151ee9572..000000000000
--- a/arch/um/drivers/slirp_kern.c
+++ /dev/null
@@ -1,120 +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 <linux/string.h>
-#include <net_kern.h>
-#include <net_user.h>
-#include "slirp.h"
-
-struct slirp_init {
- struct arg_list_dummy_wrapper argw; /* XXX should be simpler... */
-};
-
-static void slirp_init(struct net_device *dev, void *data)
-{
- struct uml_net_private *private;
- struct slirp_data *spri;
- struct slirp_init *init = data;
- int i;
-
- private = netdev_priv(dev);
- spri = (struct slirp_data *) private->user;
-
- spri->argw = init->argw;
- spri->pid = -1;
- 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("SLIRP backend - command line:");
- for (i = 0; spri->argw.argv[i] != NULL; i++)
- printk(" '%s'",spri->argw.argv[i]);
- printk("\n");
-}
-
-static unsigned short slirp_protocol(struct sk_buff *skbuff)
-{
- return htons(ETH_P_IP);
-}
-
-static int slirp_read(int fd, struct sk_buff *skb, struct uml_net_private *lp)
-{
- return slirp_user_read(fd, skb_mac_header(skb), skb->dev->mtu,
- (struct slirp_data *) &lp->user);
-}
-
-static int slirp_write(int fd, struct sk_buff *skb, struct uml_net_private *lp)
-{
- return slirp_user_write(fd, skb->data, skb->len,
- (struct slirp_data *) &lp->user);
-}
-
-const struct net_kern_info slirp_kern_info = {
- .init = slirp_init,
- .protocol = slirp_protocol,
- .read = slirp_read,
- .write = slirp_write,
-};
-
-static int slirp_setup(char *str, char **mac_out, void *data)
-{
- struct slirp_init *init = data;
- int i=0;
-
- *init = ((struct slirp_init) { .argw = { { "slirp", NULL } } });
-
- str = split_if_spec(str, mac_out, NULL);
-
- if (str == NULL) /* no command line given after MAC addr */
- return 1;
-
- do {
- if (i >= SLIRP_MAX_ARGS - 1) {
- printk(KERN_WARNING "slirp_setup: truncating slirp "
- "arguments\n");
- break;
- }
- init->argw.argv[i++] = str;
- while(*str && *str!=',') {
- if (*str == '_')
- *str=' ';
- str++;
- }
- if (*str != ',')
- break;
- *str++ = '\0';
- } while (1);
-
- init->argw.argv[i] = NULL;
- return 1;
-}
-
-static struct transport slirp_transport = {
- .list = LIST_HEAD_INIT(slirp_transport.list),
- .name = "slirp",
- .setup = slirp_setup,
- .user = &slirp_user_info,
- .kern = &slirp_kern_info,
- .private_size = sizeof(struct slirp_data),
- .setup_size = sizeof(struct slirp_init),
-};
-
-static int register_slirp(void)
-{
- register_transport(&slirp_transport);
- return 0;
-}
-
-late_initcall(register_slirp);