diff options
Diffstat (limited to 'arch/um/drivers/mcast_kern.c')
| -rw-r--r-- | arch/um/drivers/mcast_kern.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c deleted file mode 100644 index ffc6416d5ed..00000000000 --- a/arch/um/drivers/mcast_kern.c +++ /dev/null | |||
| @@ -1,120 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * user-mode-linux networking multicast transport | ||
| 3 | * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org> | ||
| 4 | * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) | ||
| 5 | * | ||
| 6 | * based on the existing uml-networking code, which is | ||
| 7 | * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and | ||
| 8 | * James Leu (jleu@mindspring.net). | ||
| 9 | * Copyright (C) 2001 by various other people who didn't put their name here. | ||
| 10 | * | ||
| 11 | * Licensed under the GPL. | ||
| 12 | */ | ||
| 13 | |||
| 14 | #include "linux/init.h" | ||
| 15 | #include <linux/netdevice.h> | ||
| 16 | #include "mcast.h" | ||
| 17 | #include "net_kern.h" | ||
| 18 | |||
| 19 | struct mcast_init { | ||
| 20 | char *addr; | ||
| 21 | int port; | ||
| 22 | int ttl; | ||
| 23 | }; | ||
| 24 | |||
| 25 | static void mcast_init(struct net_device *dev, void *data) | ||
| 26 | { | ||
| 27 | struct uml_net_private *pri; | ||
| 28 | struct mcast_data *dpri; | ||
| 29 | struct mcast_init *init = data; | ||
| 30 | |||
| 31 | pri = netdev_priv(dev); | ||
| 32 | dpri = (struct mcast_data *) pri->user; | ||
| 33 | dpri->addr = init->addr; | ||
| 34 | dpri->port = init->port; | ||
| 35 | dpri->ttl = init->ttl; | ||
| 36 | dpri->dev = dev; | ||
| 37 | |||
| 38 | printk("mcast backend multicast address: %s:%u, TTL:%u\n", | ||
| 39 | dpri->addr, dpri->port, dpri->ttl); | ||
| 40 | } | ||
| 41 | |||
| 42 | static int mcast_read(int fd, struct sk_buff *skb, struct uml_net_private *lp) | ||
| 43 | { | ||
| 44 | return net_recvfrom(fd, skb_mac_header(skb), | ||
| 45 | skb->dev->mtu + ETH_HEADER_OTHER); | ||
| 46 | } | ||
| 47 | |||
| 48 | static int mcast_write(int fd, struct sk_buff *skb, struct uml_net_private *lp) | ||
| 49 | { | ||
| 50 | return mcast_user_write(fd, skb->data, skb->len, | ||
| 51 | (struct mcast_data *) &lp->user); | ||
| 52 | } | ||
| 53 | |||
| 54 | static const struct net_kern_info mcast_kern_info = { | ||
| 55 | .init = mcast_init, | ||
| 56 | .protocol = eth_protocol, | ||
| 57 | .read = mcast_read, | ||
| 58 | .write = mcast_write, | ||
| 59 | }; | ||
| 60 | |||
| 61 | static int mcast_setup(char *str, char **mac_out, void *data) | ||
| 62 | { | ||
| 63 | struct mcast_init *init = data; | ||
| 64 | char *port_str = NULL, *ttl_str = NULL, *remain; | ||
| 65 | char *last; | ||
| 66 | |||
| 67 | *init = ((struct mcast_init) | ||
| 68 | { .addr = "239.192.168.1", | ||
| 69 | .port = 1102, | ||
| 70 | .ttl = 1 }); | ||
| 71 | |||
| 72 | remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str, | ||
| 73 | NULL); | ||
| 74 | if (remain != NULL) { | ||
| 75 | printk(KERN_ERR "mcast_setup - Extra garbage on " | ||
| 76 | "specification : '%s'\n", remain); | ||
| 77 | return 0; | ||
| 78 | } | ||
| 79 | |||
| 80 | if (port_str != NULL) { | ||
| 81 | init->port = simple_strtoul(port_str, &last, 10); | ||
| 82 | if ((*last != '\0') || (last == port_str)) { | ||
| 83 | printk(KERN_ERR "mcast_setup - Bad port : '%s'\n", | ||
| 84 | port_str); | ||
| 85 | return 0; | ||
| 86 | } | ||
| 87 | } | ||
| 88 | |||
| 89 | if (ttl_str != NULL) { | ||
| 90 | init->ttl = simple_strtoul(ttl_str, &last, 10); | ||
| 91 | if ((*last != '\0') || (last == ttl_str)) { | ||
| 92 | printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n", | ||
| 93 | ttl_str); | ||
| 94 | return 0; | ||
| 95 | } | ||
| 96 | } | ||
| 97 | |||
| 98 | printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr, | ||
| 99 | init->port, init->ttl); | ||
| 100 | |||
| 101 | return 1; | ||
| 102 | } | ||
| 103 | |||
| 104 | static struct transport mcast_transport = { | ||
| 105 | .list = LIST_HEAD_INIT(mcast_transport.list), | ||
| 106 | .name = "mcast", | ||
| 107 | .setup = mcast_setup, | ||
| 108 | .user = &mcast_user_info, | ||
| 109 | .kern = &mcast_kern_info, | ||
| 110 | .private_size = sizeof(struct mcast_data), | ||
| 111 | .setup_size = sizeof(struct mcast_init), | ||
| 112 | }; | ||
| 113 | |||
| 114 | static int register_mcast(void) | ||
| 115 | { | ||
| 116 | register_transport(&mcast_transport); | ||
| 117 | return 0; | ||
| 118 | } | ||
| 119 | |||
| 120 | late_initcall(register_mcast); | ||
