@@ -10,7 +10,6 @@ slip-objs := slip_kern.o slip_user.o
slirp-objs := slirp_kern.o slirp_user.o
daemon-objs := daemon_kern.o daemon_user.o
vector-objs := vector_kern.o vector_user.o vector_transports.o
-umcast-objs := umcast_kern.o umcast_user.o
net-objs := net_kern.o net_user.o
mconsole-objs := mconsole_kern.o mconsole_user.o
hostaudio-objs := hostaudio_kern.o
@@ -46,7 +45,6 @@ obj-$(CONFIG_UML_NET_SLIRP) += slirp.o slip_common.o
obj-$(CONFIG_UML_NET_DAEMON) += daemon.o
obj-$(CONFIG_UML_NET_VECTOR) += vector.o
obj-$(CONFIG_UML_NET_VDE) += vde.o
-obj-$(CONFIG_UML_NET_MCAST) += umcast.o
obj-$(CONFIG_UML_NET_PCAP) += pcap.o
obj-$(CONFIG_UML_NET) += net.o
obj-$(CONFIG_MCONSOLE) += mconsole.o
@@ -42,8 +42,8 @@ static DEFINE_SPINLOCK(drop_lock);
static struct sk_buff *drop_skb;
static int drop_max;
-static const char *migrated_to_vector[] = {"pcap"};
-#define MAX_MIGRATED 1
+static const char *migrated_to_vector[] = {"pcap", "ucast", "mcast"};
+#define MAX_MIGRATED 3
static int update_drop_skb(int max)
{
deleted file mode 100644
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-#ifndef __DRIVERS_UMCAST_H
-#define __DRIVERS_UMCAST_H
-
-#include <net_user.h>
-
-struct umcast_data {
- char *addr;
- unsigned short lport;
- unsigned short rport;
- void *listen_addr;
- void *remote_addr;
- int ttl;
- int unicast;
- void *dev;
-};
-
-extern const struct net_user_info umcast_user_info;
-
-extern int umcast_user_write(int fd, void *buf, int len,
- struct umcast_data *pri);
-
-#endif
deleted file mode 100644
@@ -1,188 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * user-mode-linux networking multicast transport
- * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org>
- * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- *
- * based on the existing uml-networking code, which is
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
- * James Leu (jleu@mindspring.net).
- * Copyright (C) 2001 by various other people who didn't put their name here.
- *
- */
-
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include "umcast.h"
-#include <net_kern.h>
-
-struct umcast_init {
- char *addr;
- int lport;
- int rport;
- int ttl;
- bool unicast;
-};
-
-static void umcast_init(struct net_device *dev, void *data)
-{
- struct uml_net_private *pri;
- struct umcast_data *dpri;
- struct umcast_init *init = data;
-
- pri = netdev_priv(dev);
- dpri = (struct umcast_data *) pri->user;
- dpri->addr = init->addr;
- dpri->lport = init->lport;
- dpri->rport = init->rport;
- dpri->unicast = init->unicast;
- dpri->ttl = init->ttl;
- dpri->dev = dev;
-
- if (dpri->unicast) {
- printk(KERN_INFO "ucast backend address: %s:%u listen port: "
- "%u\n", dpri->addr, dpri->rport, dpri->lport);
- } else {
- printk(KERN_INFO "mcast backend multicast address: %s:%u, "
- "TTL:%u\n", dpri->addr, dpri->lport, dpri->ttl);
- }
-}
-
-static int umcast_read(int fd, struct sk_buff *skb, struct uml_net_private *lp)
-{
- return net_recvfrom(fd, skb_mac_header(skb),
- skb->dev->mtu + ETH_HEADER_OTHER);
-}
-
-static int umcast_write(int fd, struct sk_buff *skb, struct uml_net_private *lp)
-{
- return umcast_user_write(fd, skb->data, skb->len,
- (struct umcast_data *) &lp->user);
-}
-
-static const struct net_kern_info umcast_kern_info = {
- .init = umcast_init,
- .protocol = eth_protocol,
- .read = umcast_read,
- .write = umcast_write,
-};
-
-static int mcast_setup(char *str, char **mac_out, void *data)
-{
- struct umcast_init *init = data;
- char *port_str = NULL, *ttl_str = NULL, *remain;
- char *last;
-
- *init = ((struct umcast_init)
- { .addr = "239.192.168.1",
- .lport = 1102,
- .ttl = 1 });
-
- remain = split_if_spec(str, mac_out, &init->addr, &port_str, &ttl_str,
- NULL);
- if (remain != NULL) {
- printk(KERN_ERR "mcast_setup - Extra garbage on "
- "specification : '%s'\n", remain);
- return 0;
- }
-
- if (port_str != NULL) {
- init->lport = simple_strtoul(port_str, &last, 10);
- if ((*last != '\0') || (last == port_str)) {
- printk(KERN_ERR "mcast_setup - Bad port : '%s'\n",
- port_str);
- return 0;
- }
- }
-
- if (ttl_str != NULL) {
- init->ttl = simple_strtoul(ttl_str, &last, 10);
- if ((*last != '\0') || (last == ttl_str)) {
- printk(KERN_ERR "mcast_setup - Bad ttl : '%s'\n",
- ttl_str);
- return 0;
- }
- }
-
- init->unicast = false;
- init->rport = init->lport;
-
- printk(KERN_INFO "Configured mcast device: %s:%u-%u\n", init->addr,
- init->lport, init->ttl);
-
- return 1;
-}
-
-static int ucast_setup(char *str, char **mac_out, void *data)
-{
- struct umcast_init *init = data;
- char *lport_str = NULL, *rport_str = NULL, *remain;
- char *last;
-
- *init = ((struct umcast_init)
- { .addr = "",
- .lport = 1102,
- .rport = 1102 });
-
- remain = split_if_spec(str, mac_out, &init->addr,
- &lport_str, &rport_str, NULL);
- if (remain != NULL) {
- printk(KERN_ERR "ucast_setup - Extra garbage on "
- "specification : '%s'\n", remain);
- return 0;
- }
-
- if (lport_str != NULL) {
- init->lport = simple_strtoul(lport_str, &last, 10);
- if ((*last != '\0') || (last == lport_str)) {
- printk(KERN_ERR "ucast_setup - Bad listen port : "
- "'%s'\n", lport_str);
- return 0;
- }
- }
-
- if (rport_str != NULL) {
- init->rport = simple_strtoul(rport_str, &last, 10);
- if ((*last != '\0') || (last == rport_str)) {
- printk(KERN_ERR "ucast_setup - Bad remote port : "
- "'%s'\n", rport_str);
- return 0;
- }
- }
-
- init->unicast = true;
-
- printk(KERN_INFO "Configured ucast device: :%u -> %s:%u\n",
- init->lport, init->addr, init->rport);
-
- return 1;
-}
-
-static struct transport mcast_transport = {
- .list = LIST_HEAD_INIT(mcast_transport.list),
- .name = "mcast",
- .setup = mcast_setup,
- .user = &umcast_user_info,
- .kern = &umcast_kern_info,
- .private_size = sizeof(struct umcast_data),
- .setup_size = sizeof(struct umcast_init),
-};
-
-static struct transport ucast_transport = {
- .list = LIST_HEAD_INIT(ucast_transport.list),
- .name = "ucast",
- .setup = ucast_setup,
- .user = &umcast_user_info,
- .kern = &umcast_kern_info,
- .private_size = sizeof(struct umcast_data),
- .setup_size = sizeof(struct umcast_init),
-};
-
-static int register_umcast(void)
-{
- register_transport(&mcast_transport);
- register_transport(&ucast_transport);
- return 0;
-}
-
-late_initcall(register_umcast);
deleted file mode 100644
@@ -1,184 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * user-mode-linux networking multicast transport
- * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org>
- *
- * based on the existing uml-networking code, which is
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
- * James Leu (jleu@mindspring.net).
- * Copyright (C) 2001 by various other people who didn't put their name here.
- *
- *
- */
-
-#include <unistd.h>
-#include <errno.h>
-#include <netinet/in.h>
-#include "umcast.h"
-#include <net_user.h>
-#include <um_malloc.h>
-
-static struct sockaddr_in *new_addr(char *addr, unsigned short port)
-{
- struct sockaddr_in *sin;
-
- sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
- if (sin == NULL) {
- printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
- "failed\n");
- return NULL;
- }
- sin->sin_family = AF_INET;
- if (addr)
- sin->sin_addr.s_addr = in_aton(addr);
- else
- sin->sin_addr.s_addr = INADDR_ANY;
- sin->sin_port = htons(port);
- return sin;
-}
-
-static int umcast_user_init(void *data, void *dev)
-{
- struct umcast_data *pri = data;
-
- pri->remote_addr = new_addr(pri->addr, pri->rport);
- if (pri->unicast)
- pri->listen_addr = new_addr(NULL, pri->lport);
- else
- pri->listen_addr = pri->remote_addr;
- pri->dev = dev;
- return 0;
-}
-
-static void umcast_remove(void *data)
-{
- struct umcast_data *pri = data;
-
- kfree(pri->listen_addr);
- if (pri->unicast)
- kfree(pri->remote_addr);
- pri->listen_addr = pri->remote_addr = NULL;
-}
-
-static int umcast_open(void *data)
-{
- struct umcast_data *pri = data;
- struct sockaddr_in *lsin = pri->listen_addr;
- struct sockaddr_in *rsin = pri->remote_addr;
- struct ip_mreq mreq;
- int fd, yes = 1, err = -EINVAL;
-
-
- if ((!pri->unicast && lsin->sin_addr.s_addr == 0) ||
- (rsin->sin_addr.s_addr == 0) ||
- (lsin->sin_port == 0) || (rsin->sin_port == 0))
- goto out;
-
- fd = socket(AF_INET, SOCK_DGRAM, 0);
-
- if (fd < 0) {
- err = -errno;
- printk(UM_KERN_ERR "umcast_open : data socket failed, "
- "errno = %d\n", errno);
- goto out;
- }
-
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
- err = -errno;
- printk(UM_KERN_ERR "umcast_open: SO_REUSEADDR failed, "
- "errno = %d\n", errno);
- goto out_close;
- }
-
- if (!pri->unicast) {
- /* set ttl according to config */
- if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl,
- sizeof(pri->ttl)) < 0) {
- err = -errno;
- printk(UM_KERN_ERR "umcast_open: IP_MULTICAST_TTL "
- "failed, error = %d\n", errno);
- goto out_close;
- }
-
- /* set LOOP, so data does get fed back to local sockets */
- if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP,
- &yes, sizeof(yes)) < 0) {
- err = -errno;
- printk(UM_KERN_ERR "umcast_open: IP_MULTICAST_LOOP "
- "failed, error = %d\n", errno);
- goto out_close;
- }
- }
-
- /* bind socket to the address */
- if (bind(fd, (struct sockaddr *) lsin, sizeof(*lsin)) < 0) {
- err = -errno;
- printk(UM_KERN_ERR "umcast_open : data bind failed, "
- "errno = %d\n", errno);
- goto out_close;
- }
-
- if (!pri->unicast) {
- /* subscribe to the multicast group */
- mreq.imr_multiaddr.s_addr = lsin->sin_addr.s_addr;
- mreq.imr_interface.s_addr = 0;
- if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP,
- &mreq, sizeof(mreq)) < 0) {
- err = -errno;
- printk(UM_KERN_ERR "umcast_open: IP_ADD_MEMBERSHIP "
- "failed, error = %d\n", errno);
- printk(UM_KERN_ERR "There appears not to be a "
- "multicast-capable network interface on the "
- "host.\n");
- printk(UM_KERN_ERR "eth0 should be configured in order "
- "to use the multicast transport.\n");
- goto out_close;
- }
- }
-
- return fd;
-
- out_close:
- close(fd);
- out:
- return err;
-}
-
-static void umcast_close(int fd, void *data)
-{
- struct umcast_data *pri = data;
-
- if (!pri->unicast) {
- struct ip_mreq mreq;
- struct sockaddr_in *lsin = pri->listen_addr;
-
- mreq.imr_multiaddr.s_addr = lsin->sin_addr.s_addr;
- mreq.imr_interface.s_addr = 0;
- if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP,
- &mreq, sizeof(mreq)) < 0) {
- printk(UM_KERN_ERR "umcast_close: IP_DROP_MEMBERSHIP "
- "failed, error = %d\n", errno);
- }
- }
-
- close(fd);
-}
-
-int umcast_user_write(int fd, void *buf, int len, struct umcast_data *pri)
-{
- struct sockaddr_in *data_addr = pri->remote_addr;
-
- return net_sendto(fd, buf, len, data_addr, sizeof(*data_addr));
-}
-
-const struct net_user_info umcast_user_info = {
- .init = umcast_user_init,
- .open = umcast_open,
- .close = umcast_close,
- .remove = umcast_remove,
- .add_address = NULL,
- .delete_address = NULL,
- .mtu = ETH_MAX_PACKET,
- .max_packet = ETH_MAX_PACKET + ETH_HEADER_OTHER,
-};
@@ -1740,6 +1740,37 @@ int vector_compat_eth_configure(char *str, int index)
}
#endif
+#ifdef CONFIG_UM_NET_MCAST
+ if ((strncmp(str, "ucast", strlen("ucast")) == 0) || (strncmp(str, "mcast", strlen("mcast")) == 0)) {
+ char *src, *addr = NULL, *transport = NULL, *mac = NULL, *srcport = NULL, *dstport = NULL;
+
+ if (strncmp(str, "ucast", strlen("ucast")) == 0)
+ src = "0.0.0.0";
+ else
+ src = addr;
+
+ remain = split_if_spec(str, &transport, &addr, &srcport, &dstport, &mac, NULL);
+
+ if (!srcport)
+ srcport = "1102";
+
+ if (!dstport)
+ dstport = "1102";
+
+ if ((mac != NULL) && strlen(mac) > 0)
+ snprintf(tempargs, MAX_COMPAT_ARG, "transport=%s,src=%s,dst=%s,srcport=%s,dstport=%s,mac=%s",
+ transport, src, addr, srcport, dstport, mac);
+ else
+ snprintf(tempargs, MAX_COMPAT_ARG, "transport=%s,src=%s,dst=%s,srcport=%s,dstrport=%s",
+ transport, src, addr, srcport, dstport);
+
+ strcpy(newargs, tempargs);
+
+
+ do_compat = 1;
+
+ }
+#endif
if (do_compat) {
parsed = uml_parse_vector_ifspec(newargs);
vector_eth_configure(index, parsed, true);