diff options
Diffstat (limited to 'arch/um/drivers/vde_kern.c')
-rw-r--r-- | arch/um/drivers/vde_kern.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/arch/um/drivers/vde_kern.c b/arch/um/drivers/vde_kern.c deleted file mode 100644 index bc6f22cbfb35..000000000000 --- a/arch/um/drivers/vde_kern.c +++ /dev/null @@ -1,129 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2007 Luca Bigliardi (shammash@artha.org). - * - * Transport usage: - * ethN=vde,<vde_switch>,<mac addr>,<port>,<group>,<mode>,<description> - * - */ - -#include <linux/init.h> -#include <linux/netdevice.h> -#include <net_kern.h> -#include <net_user.h> -#include "vde.h" - -static void vde_init(struct net_device *dev, void *data) -{ - struct vde_init *init = data; - struct uml_net_private *pri; - struct vde_data *vpri; - - pri = netdev_priv(dev); - vpri = (struct vde_data *) pri->user; - - vpri->vde_switch = init->vde_switch; - vpri->descr = init->descr ? init->descr : "UML vde_transport"; - vpri->args = NULL; - vpri->conn = NULL; - vpri->dev = dev; - - printk("vde backend - %s, ", vpri->vde_switch ? - vpri->vde_switch : "(default socket)"); - - vde_init_libstuff(vpri, init); - - printk("\n"); -} - -static int vde_read(int fd, struct sk_buff *skb, struct uml_net_private *lp) -{ - struct vde_data *pri = (struct vde_data *) &lp->user; - - if (pri->conn != NULL) - return vde_user_read(pri->conn, skb_mac_header(skb), - skb->dev->mtu + ETH_HEADER_OTHER); - - printk(KERN_ERR "vde_read - we have no VDECONN to read from"); - return -EBADF; -} - -static int vde_write(int fd, struct sk_buff *skb, struct uml_net_private *lp) -{ - struct vde_data *pri = (struct vde_data *) &lp->user; - - if (pri->conn != NULL) - return vde_user_write((void *)pri->conn, skb->data, - skb->len); - - printk(KERN_ERR "vde_write - we have no VDECONN to write to"); - return -EBADF; -} - -static const struct net_kern_info vde_kern_info = { - .init = vde_init, - .protocol = eth_protocol, - .read = vde_read, - .write = vde_write, -}; - -static int vde_setup(char *str, char **mac_out, void *data) -{ - struct vde_init *init = data; - char *remain, *port_str = NULL, *mode_str = NULL, *last; - - *init = ((struct vde_init) - { .vde_switch = NULL, - .descr = NULL, - .port = 0, - .group = NULL, - .mode = 0 }); - - remain = split_if_spec(str, &init->vde_switch, mac_out, &port_str, - &init->group, &mode_str, &init->descr, NULL); - - if (remain != NULL) - printk(KERN_WARNING "vde_setup - Ignoring extra data :" - "'%s'\n", remain); - - if (port_str != NULL) { - init->port = simple_strtoul(port_str, &last, 10); - if ((*last != '\0') || (last == port_str)) { - printk(KERN_ERR "vde_setup - Bad port : '%s'\n", - port_str); - return 0; - } - } - - if (mode_str != NULL) { - init->mode = simple_strtoul(mode_str, &last, 8); - if ((*last != '\0') || (last == mode_str)) { - printk(KERN_ERR "vde_setup - Bad mode : '%s'\n", - mode_str); - return 0; - } - } - - printk(KERN_INFO "Configured vde device: %s\n", init->vde_switch ? - init->vde_switch : "(default socket)"); - - return 1; -} - -static struct transport vde_transport = { - .list = LIST_HEAD_INIT(vde_transport.list), - .name = "vde", - .setup = vde_setup, - .user = &vde_user_info, - .kern = &vde_kern_info, - .private_size = sizeof(struct vde_data), - .setup_size = sizeof(struct vde_init), -}; - -static int register_vde(void) -{ - register_transport(&vde_transport); - return 0; -} - -late_initcall(register_vde); |