patch-2.0.35 linux/net/rose/af_rose.c
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- Lines: 1549
- Date:
Mon Jul 13 13:47:41 1998
- Orig file:
v2.0.34/linux/net/rose/af_rose.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.0.34/linux/net/rose/af_rose.c linux/net/rose/af_rose.c
@@ -0,0 +1,1548 @@
+/*
+ * ROSE release 003
+ *
+ * This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ * This module:
+ * This module is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * History
+ * ROSE 001 Jonathan(G4KLX) Cloned from af_netrom.c.
+ * Terry (VK2KTJ) Added support for variable length
+ * address masks.
+ * ROSE 002 Jonathan(G4KLX) Changed hdrincl to qbitincl.
+ * Added random number facilities entry.
+ * ROSE 003 Jonathan(G4KLX) Added use count to neighbour.
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <linux/stat.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/if_arp.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/termios.h> /* For TIOCINQ/OUTQ */
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/notifier.h>
+#include <net/rose.h>
+#include <linux/proc_fs.h>
+#include <net/ip.h>
+#include <net/arp.h>
+#include <linux/if_arp.h>
+
+int sysctl_rose_restart_request_timeout = ROSE_DEFAULT_T0;
+int sysctl_rose_call_request_timeout = ROSE_DEFAULT_T1;
+int sysctl_rose_reset_request_timeout = ROSE_DEFAULT_T2;
+int sysctl_rose_clear_request_timeout = ROSE_DEFAULT_T3;
+int sysctl_rose_ack_hold_back_timeout = ROSE_DEFAULT_HB;
+int sysctl_rose_routing_control = ROSE_DEFAULT_ROUTING;
+int sysctl_rose_link_fail_timeout = ROSE_DEFAULT_FAIL_TIMEOUT;
+int sysctl_rose_maximum_vcs = ROSE_DEFAULT_MAXVC;
+int sysctl_rose_window_size = ROSE_DEFAULT_WINDOW_SIZE;
+
+static struct sock *volatile rose_list = NULL;
+
+ax25_address rose_callsign;
+
+/*
+ * Convert a ROSE address into text.
+ */
+char *rose2asc(rose_address *addr)
+{
+ static char buffer[11];
+
+ if (addr->rose_addr[0] == 0x00 && addr->rose_addr[1] == 0x00 &&
+ addr->rose_addr[2] == 0x00 && addr->rose_addr[3] == 0x00 &&
+ addr->rose_addr[4] == 0x00) {
+ strcpy(buffer, "*");
+ } else {
+ sprintf(buffer, "%02X%02X%02X%02X%02X", addr->rose_addr[0] & 0xFF,
+ addr->rose_addr[1] & 0xFF,
+ addr->rose_addr[2] & 0xFF,
+ addr->rose_addr[3] & 0xFF,
+ addr->rose_addr[4] & 0xFF);
+ }
+
+ return buffer;
+}
+
+/*
+ * Compare two ROSE addresses, 0 == equal.
+ */
+int rosecmp(rose_address *addr1, rose_address *addr2)
+{
+ int i;
+
+ for (i = 0; i < 5; i++)
+ if (addr1->rose_addr[i] != addr2->rose_addr[i])
+ return 1;
+
+ return 0;
+}
+
+/*
+ * Compare two ROSE addresses for only mask digits, 0 == equal.
+ */
+int rosecmpm(rose_address *addr1, rose_address *addr2, unsigned short mask)
+{
+ int i, j;
+
+ if (mask > 10)
+ return 1;
+
+ for (i = 0; i < mask; i++) {
+ j = i / 2;
+
+ if ((i % 2) != 0) {
+ if ((addr1->rose_addr[j] & 0x0F) != (addr2->rose_addr[j] & 0x0F))
+ return 1;
+ } else {
+ if ((addr1->rose_addr[j] & 0xF0) != (addr2->rose_addr[j] & 0xF0))
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void rose_free_sock(struct sock *sk)
+{
+ kfree_s(sk->protinfo.rose, sizeof(*sk->protinfo.rose));
+
+ sk_free(sk);
+
+ MOD_DEC_USE_COUNT;
+}
+
+static struct sock *rose_alloc_sock(void)
+{
+ struct sock *sk;
+ rose_cb *rose;
+
+ if ((sk = sk_alloc(GFP_ATOMIC)) == NULL)
+ return NULL;
+
+ if ((rose = (rose_cb *)kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
+ sk_free(sk);
+ return NULL;
+ }
+
+ MOD_INC_USE_COUNT;
+
+ memset(rose, 0x00, sizeof(*rose));
+
+ sk->protinfo.rose = rose;
+ rose->sk = sk;
+
+ return sk;
+}
+
+/*
+ * Socket removal during an interrupt is now safe.
+ */
+static void rose_remove_socket(struct sock *sk)
+{
+ struct sock *s;
+ unsigned long flags;
+
+ save_flags(flags);
+ cli();
+
+ if ((s = rose_list) == sk) {
+ rose_list = s->next;
+ restore_flags(flags);
+ return;
+ }
+
+ while (s != NULL && s->next != NULL) {
+ if (s->next == sk) {
+ s->next = sk->next;
+ restore_flags(flags);
+ return;
+ }
+
+ s = s->next;
+ }
+
+ restore_flags(flags);
+}
+
+/*
+ * Kill all bound sockets on a broken link layer connection to a
+ * particular neighbour.
+ */
+void rose_kill_by_neigh(struct rose_neigh *neigh)
+{
+ struct sock *s;
+
+ for (s = rose_list; s != NULL; s = s->next) {
+ if (s->protinfo.rose->neighbour == neigh) {
+ s->protinfo.rose->cause = ROSE_OUT_OF_ORDER;
+ s->protinfo.rose->diagnostic = 0;
+ s->protinfo.rose->state = ROSE_STATE_0;
+ s->protinfo.rose->neighbour->use--;
+ s->protinfo.rose->neighbour = NULL;
+ s->state = TCP_CLOSE;
+ s->err = ENETUNREACH;
+ s->shutdown |= SEND_SHUTDOWN;
+ s->state_change(s);
+ s->dead = 1;
+ }
+ }
+}
+
+/*
+ * Kill all bound sockets on a dropped device.
+ */
+static void rose_kill_by_device(struct device *dev)
+{
+ struct sock *s;
+
+ for (s = rose_list; s != NULL; s = s->next) {
+ if (s->protinfo.rose->device == dev) {
+ s->protinfo.rose->cause = ROSE_OUT_OF_ORDER;
+ s->protinfo.rose->diagnostic = 0;
+ s->protinfo.rose->state = ROSE_STATE_0;
+ s->protinfo.rose->neighbour->use--;
+ s->protinfo.rose->device = NULL;
+ s->state = TCP_CLOSE;
+ s->err = ENETUNREACH;
+ s->shutdown |= SEND_SHUTDOWN;
+ s->state_change(s);
+ s->dead = 1;
+ }
+ }
+}
+
+/*
+ * Handle device status changes.
+ */
+static int rose_device_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+ struct device *dev = (struct device *)ptr;
+
+ if (event != NETDEV_DOWN)
+ return NOTIFY_DONE;
+
+ switch (dev->type) {
+ case ARPHRD_ROSE:
+ rose_kill_by_device(dev);
+ break;
+ case ARPHRD_AX25:
+ rose_link_device_down(dev);
+ rose_rt_device_down(dev);
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+
+/*
+ * Add a socket to the bound sockets list.
+ */
+static void rose_insert_socket(struct sock *sk)
+{
+ unsigned long flags;
+
+ save_flags(flags);
+ cli();
+
+ sk->next = rose_list;
+ rose_list = sk;
+
+ restore_flags(flags);
+}
+
+/*
+ * Find a socket that wants to accept the Call Request we just
+ * received.
+ */
+static struct sock *rose_find_listener(rose_address *addr, ax25_address *call)
+{
+ unsigned long flags;
+ struct sock *s;
+
+ save_flags(flags);
+ cli();
+
+ for (s = rose_list; s != NULL; s = s->next) {
+ if (rosecmp(&s->protinfo.rose->source_addr, addr) == 0 && ax25cmp(&s->protinfo.rose->source_call, call) == 0 && s->protinfo.rose->source_ndigis == 0 && s->state == TCP_LISTEN) {
+ restore_flags(flags);
+ return s;
+ }
+ }
+
+ for (s = rose_list; s != NULL; s = s->next) {
+ if (rosecmp(&s->protinfo.rose->source_addr, addr) == 0 && ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0 && s->state == TCP_LISTEN) {
+ restore_flags(flags);
+ return s;
+ }
+ }
+
+ restore_flags(flags);
+ return NULL;
+}
+
+/*
+ * Find a connected ROSE socket given my LCI and device.
+ */
+struct sock *rose_find_socket(unsigned int lci, struct rose_neigh *neigh)
+{
+ struct sock *s;
+ unsigned long flags;
+
+ save_flags(flags);
+ cli();
+
+ for (s = rose_list; s != NULL; s = s->next) {
+ if (s->protinfo.rose->lci == lci && s->protinfo.rose->neighbour == neigh) {
+ restore_flags(flags);
+ return s;
+ }
+ }
+
+ restore_flags(flags);
+
+ return NULL;
+}
+
+/*
+ * Find a unique LCI for a given device.
+ */
+unsigned int rose_new_lci(struct rose_neigh *neigh)
+{
+ int lci;
+
+ if (neigh->dce_mode) {
+ for (lci = 1; lci <= sysctl_rose_maximum_vcs; lci++)
+ if (rose_find_socket(lci, neigh) == NULL && rose_route_free_lci(lci, neigh) == NULL)
+ return lci;
+ } else {
+ for (lci = sysctl_rose_maximum_vcs; lci > 0; lci--)
+ if (rose_find_socket(lci, neigh) == NULL && rose_route_free_lci(lci, neigh) == NULL)
+ return lci;
+ }
+
+ return 0;
+}
+
+/*
+ * Deferred destroy.
+ */
+void rose_destroy_socket(struct sock *);
+
+/*
+ * Handler for deferred kills.
+ */
+static void rose_destroy_timer(unsigned long data)
+{
+ rose_destroy_socket((struct sock *)data);
+}
+
+/*
+ * This is called from user mode and the timers. Thus it protects itself against
+ * interrupt users but doesn't worry about being called during work.
+ * Once it is removed from the queue no interrupt or bottom half will
+ * touch it and we are (fairly 8-) ) safe.
+ */
+void rose_destroy_socket(struct sock *sk) /* Not static as it's used by the timer */
+{
+ struct sk_buff *skb;
+ unsigned long flags;
+
+ save_flags(flags);
+ cli();
+
+ del_timer(&sk->timer);
+
+ rose_remove_socket(sk);
+ rose_clear_queues(sk); /* Flush the queues */
+
+ while ((skb = skb_dequeue(&sk->receive_queue)) != NULL) {
+ if (skb->sk != sk) { /* A pending connection */
+ skb->sk->dead = 1; /* Queue the unaccepted socket for death */
+ rose_set_timer(skb->sk);
+ skb->sk->protinfo.rose->state = ROSE_STATE_0;
+ }
+
+ kfree_skb(skb, FREE_READ);
+ }
+
+ if (sk->wmem_alloc != 0 || sk->rmem_alloc != 0) { /* Defer: outstanding buffers */
+ init_timer(&sk->timer);
+ sk->timer.expires = jiffies + 10 * HZ;
+ sk->timer.function = rose_destroy_timer;
+ sk->timer.data = (unsigned long)sk;
+ add_timer(&sk->timer);
+ } else {
+ rose_free_sock(sk);
+ }
+
+ restore_flags(flags);
+}
+
+/*
+ * Handling for system calls applied via the various interfaces to a
+ * ROSE socket object.
+ */
+
+static int rose_fcntl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ return -EINVAL;
+}
+
+static int rose_setsockopt(struct socket *sock, int level, int optname,
+ char *optval, int optlen)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ int err, opt;
+
+ if (level == SOL_SOCKET)
+ return sock_setsockopt(sk, level, optname, optval, optlen);
+
+ if (level != SOL_ROSE)
+ return -EOPNOTSUPP;
+
+ if (optval == NULL)
+ return -EINVAL;
+
+ if ((err = verify_area(VERIFY_READ, optval, sizeof(int))) != 0)
+ return err;
+
+ opt = get_fs_long((unsigned long *)optval);
+
+ switch (optname) {
+ case ROSE_DEFER:
+ sk->protinfo.rose->defer = opt ? 1 : 0;
+ return 0;
+
+ case ROSE_T1:
+ if (opt < 1)
+ return -EINVAL;
+ sk->protinfo.rose->t1 = opt * ROSE_SLOWHZ;
+ return 0;
+
+ case ROSE_T2:
+ if (opt < 1)
+ return -EINVAL;
+ sk->protinfo.rose->t2 = opt * ROSE_SLOWHZ;
+ return 0;
+
+ case ROSE_T3:
+ if (opt < 1)
+ return -EINVAL;
+ sk->protinfo.rose->t3 = opt * ROSE_SLOWHZ;
+ return 0;
+
+ case ROSE_HOLDBACK:
+ if (opt < 1)
+ return -EINVAL;
+ sk->protinfo.rose->hb = opt * ROSE_SLOWHZ;
+ return 0;
+
+ case ROSE_IDLE:
+ if (opt < 0)
+ return -EINVAL;
+ return 0;
+
+ case ROSE_QBITINCL:
+ sk->protinfo.rose->qbitincl = opt ? 1 : 0;
+ return 0;
+
+ default:
+ return -ENOPROTOOPT;
+ }
+}
+
+static int rose_getsockopt(struct socket *sock, int level, int optname,
+ char *optval, int *optlen)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ int val = 0;
+ int err;
+
+ if (level == SOL_SOCKET)
+ return sock_getsockopt(sk, level, optname, optval, optlen);
+
+ if (level != SOL_ROSE)
+ return -EOPNOTSUPP;
+
+ switch (optname) {
+ case ROSE_DEFER:
+ val = sk->protinfo.rose->defer;
+ break;
+
+ case ROSE_T1:
+ val = sk->protinfo.rose->t1 / ROSE_SLOWHZ;
+ break;
+
+ case ROSE_T2:
+ val = sk->protinfo.rose->t2 / ROSE_SLOWHZ;
+ break;
+
+ case ROSE_T3:
+ val = sk->protinfo.rose->t3 / ROSE_SLOWHZ;
+ break;
+
+ case ROSE_HOLDBACK:
+ val = sk->protinfo.rose->hb / ROSE_SLOWHZ;
+ break;
+
+ case ROSE_IDLE:
+ val = 0;
+ break;
+
+ case ROSE_QBITINCL:
+ val = sk->protinfo.rose->qbitincl;
+ break;
+
+ default:
+ return -ENOPROTOOPT;
+ }
+
+ if ((err = verify_area(VERIFY_WRITE, optlen, sizeof(int))) != 0)
+ return err;
+
+ put_fs_long(sizeof(int), (unsigned long *)optlen);
+
+ if ((err = verify_area(VERIFY_WRITE, optval, sizeof(int))) != 0)
+ return err;
+
+ put_fs_long(val, (unsigned long *)optval);
+
+ return 0;
+}
+
+static int rose_listen(struct socket *sock, int backlog)
+{
+ struct sock *sk = (struct sock *)sock->data;
+
+ if (sk->state != TCP_LISTEN) {
+ sk->protinfo.rose->dest_ndigis = 0;
+ memset(&sk->protinfo.rose->dest_addr, '\0', ROSE_ADDR_LEN);
+ memset(&sk->protinfo.rose->dest_call, '\0', AX25_ADDR_LEN);
+ memset(&sk->protinfo.rose->dest_digi, '\0', AX25_ADDR_LEN);
+ sk->max_ack_backlog = backlog;
+ sk->state = TCP_LISTEN;
+ return 0;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static void def_callback1(struct sock *sk)
+{
+ if (!sk->dead)
+ wake_up_interruptible(sk->sleep);
+}
+
+static void def_callback2(struct sock *sk, int len)
+{
+ if (!sk->dead)
+ wake_up_interruptible(sk->sleep);
+}
+
+static int rose_create(struct socket *sock, int protocol)
+{
+ struct sock *sk;
+ rose_cb *rose;
+
+ if (sock->type != SOCK_SEQPACKET || protocol != 0)
+ return -ESOCKTNOSUPPORT;
+
+ if ((sk = rose_alloc_sock()) == NULL)
+ return -ENOMEM;
+
+ rose = sk->protinfo.rose;
+
+ skb_queue_head_init(&sk->receive_queue);
+ skb_queue_head_init(&sk->write_queue);
+ skb_queue_head_init(&sk->back_log);
+
+ init_timer(&sk->timer);
+
+ sk->socket = sock;
+ sk->type = sock->type;
+ sk->protocol = protocol;
+ sk->allocation = GFP_KERNEL;
+ sk->rcvbuf = SK_RMEM_MAX;
+ sk->sndbuf = SK_WMEM_MAX;
+ sk->state = TCP_CLOSE;
+ sk->priority = SOPRI_NORMAL;
+ sk->mtu = ROSE_MTU; /* 128 */
+ sk->zapped = 1;
+
+ sk->state_change = def_callback1;
+ sk->data_ready = def_callback2;
+ sk->write_space = def_callback1;
+ sk->error_report = def_callback1;
+
+ if (sock != NULL) {
+ sock->data = (void *)sk;
+ sk->sleep = sock->wait;
+ }
+
+ rose->t1 = sysctl_rose_call_request_timeout;
+ rose->t2 = sysctl_rose_reset_request_timeout;
+ rose->t3 = sysctl_rose_clear_request_timeout;
+ rose->hb = sysctl_rose_ack_hold_back_timeout;
+
+ rose->state = ROSE_STATE_0;
+
+ return 0;
+}
+
+static struct sock *rose_make_new(struct sock *osk)
+{
+ struct sock *sk;
+ rose_cb *rose;
+
+ if (osk->type != SOCK_SEQPACKET)
+ return NULL;
+
+ if ((sk = rose_alloc_sock()) == NULL)
+ return NULL;
+
+ rose = sk->protinfo.rose;
+
+ skb_queue_head_init(&sk->receive_queue);
+ skb_queue_head_init(&sk->write_queue);
+ skb_queue_head_init(&sk->back_log);
+
+ init_timer(&sk->timer);
+
+ sk->type = osk->type;
+ sk->socket = osk->socket;
+ sk->priority = osk->priority;
+ sk->protocol = osk->protocol;
+ sk->rcvbuf = osk->rcvbuf;
+ sk->sndbuf = osk->sndbuf;
+ sk->debug = osk->debug;
+ sk->state = TCP_ESTABLISHED;
+ sk->mtu = osk->mtu;
+ sk->sleep = osk->sleep;
+ sk->zapped = osk->zapped;
+
+ sk->state_change = def_callback1;
+ sk->data_ready = def_callback2;
+ sk->write_space = def_callback1;
+ sk->error_report = def_callback1;
+
+ rose->t1 = osk->protinfo.rose->t1;
+ rose->t2 = osk->protinfo.rose->t2;
+ rose->t3 = osk->protinfo.rose->t3;
+ rose->hb = osk->protinfo.rose->hb;
+
+ rose->defer = osk->protinfo.rose->defer;
+ rose->device = osk->protinfo.rose->device;
+ rose->qbitincl = osk->protinfo.rose->qbitincl;
+
+ return sk;
+}
+
+static int rose_dup(struct socket *newsock, struct socket *oldsock)
+{
+ struct sock *sk = (struct sock *)oldsock->data;
+
+ if (sk == NULL || newsock == NULL)
+ return -EINVAL;
+
+ return rose_create(newsock, sk->protocol);
+}
+
+static int rose_release(struct socket *sock, struct socket *peer)
+{
+ struct sock *sk = (struct sock *)sock->data;
+
+ if (sk == NULL) return 0;
+
+ switch (sk->protinfo.rose->state) {
+
+ case ROSE_STATE_0:
+ sk->state = TCP_CLOSE;
+ sk->shutdown |= SEND_SHUTDOWN;
+ sk->state_change(sk);
+ sk->dead = 1;
+ rose_destroy_socket(sk);
+ break;
+
+ case ROSE_STATE_2:
+ sk->protinfo.rose->neighbour->use--;
+ sk->protinfo.rose->state = ROSE_STATE_0;
+ sk->state = TCP_CLOSE;
+ sk->shutdown |= SEND_SHUTDOWN;
+ sk->state_change(sk);
+ sk->dead = 1;
+ rose_destroy_socket(sk);
+ break;
+
+ case ROSE_STATE_1:
+ case ROSE_STATE_3:
+ case ROSE_STATE_4:
+ case ROSE_STATE_5:
+ rose_clear_queues(sk);
+ rose_write_internal(sk, ROSE_CLEAR_REQUEST);
+ sk->protinfo.rose->timer = sk->protinfo.rose->t3;
+ sk->protinfo.rose->state = ROSE_STATE_2;
+ sk->state = TCP_CLOSE;
+ sk->shutdown |= SEND_SHUTDOWN;
+ sk->state_change(sk);
+ sk->dead = 1;
+ sk->destroy = 1;
+ break;
+
+ default:
+ break;
+ }
+
+ sock->data = NULL;
+ sk->socket = NULL; /* Not used, but we should do this. **/
+
+ return 0;
+}
+
+static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
+ struct device *dev;
+ ax25_address *user, *source;
+
+ if (sk->zapped == 0)
+ return -EINVAL;
+
+ if (addr_len != sizeof(struct sockaddr_rose))
+ return -EINVAL;
+
+ if (addr->srose_family != AF_ROSE)
+ return -EINVAL;
+
+ if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
+ if (sk->debug)
+ printk("ROSE: bind failed: invalid address\n");
+ return -EADDRNOTAVAIL;
+ }
+
+ source = &addr->srose_call;
+
+ if ((user = ax25_findbyuid(current->euid)) == NULL) {
+ if (ax25_uid_policy && !suser())
+ return -EACCES;
+ user = source;
+ }
+
+ sk->protinfo.rose->source_addr = addr->srose_addr;
+ sk->protinfo.rose->source_call = *user;
+ sk->protinfo.rose->device = dev;
+
+ if (addr->srose_ndigis == 1) {
+ sk->protinfo.rose->source_ndigis = 1;
+ sk->protinfo.rose->source_digi = addr->srose_digi;
+ }
+
+ rose_insert_socket(sk);
+
+ sk->zapped = 0;
+
+ if (sk->debug)
+ printk("ROSE: socket is bound\n");
+
+ return 0;
+}
+
+static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
+ unsigned char cause, diagnostic;
+ ax25_address *user;
+ struct device *dev;
+
+ if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
+ sock->state = SS_CONNECTED;
+ return 0; /* Connect completed during a ERESTARTSYS event */
+ }
+
+ if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
+ sock->state = SS_UNCONNECTED;
+ return -ECONNREFUSED;
+ }
+
+ if (sk->state == TCP_ESTABLISHED)
+ return -EISCONN; /* No reconnect on a seqpacket socket */
+
+ sk->state = TCP_CLOSE;
+ sock->state = SS_UNCONNECTED;
+
+ if (addr_len != sizeof(struct sockaddr_rose))
+ return -EINVAL;
+
+ if (addr->srose_family != AF_ROSE)
+ return -EINVAL;
+
+ if ((sk->protinfo.rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic)) == NULL)
+ return -ENETUNREACH;
+
+ if ((sk->protinfo.rose->lci = rose_new_lci(sk->protinfo.rose->neighbour)) == 0)
+ return -ENETUNREACH;
+
+ if (sk->zapped) { /* Must bind first - autobinding in this may or may not work */
+ sk->zapped = 0;
+
+ if ((dev = rose_dev_first()) == NULL)
+ return -ENETUNREACH;
+
+ if ((user = ax25_findbyuid(current->euid)) == NULL)
+ return -EINVAL;
+
+ memcpy(&sk->protinfo.rose->source_addr, dev->dev_addr, ROSE_ADDR_LEN);
+ sk->protinfo.rose->source_call = *user;
+ sk->protinfo.rose->device = dev;
+
+ rose_insert_socket(sk); /* Finish the bind */
+ }
+
+ sk->protinfo.rose->dest_addr = addr->srose_addr;
+ sk->protinfo.rose->dest_call = addr->srose_call;
+ sk->protinfo.rose->rand = ((int)sk->protinfo.rose & 0xFFFF) + sk->protinfo.rose->lci;
+
+ if (addr->srose_ndigis == 1) {
+ sk->protinfo.rose->dest_ndigis = 1;
+ sk->protinfo.rose->dest_digi = addr->srose_digi;
+ }
+
+ /* Move to connecting socket, start sending Connect Requests */
+ sock->state = SS_CONNECTING;
+ sk->state = TCP_SYN_SENT;
+
+ sk->protinfo.rose->state = ROSE_STATE_1;
+
+ sk->protinfo.rose->neighbour->use++;
+
+ sk->protinfo.rose->timer = sk->protinfo.rose->t1;
+ rose_write_internal(sk, ROSE_CALL_REQUEST);
+
+ rose_set_timer(sk);
+
+ /* Now the loop */
+ if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
+ return -EINPROGRESS;
+
+ cli(); /* To avoid races on the sleep */
+
+ /*
+ * A Connect Ack with Choke or timeout or failed routing will go to closed.
+ */
+ while (sk->state == TCP_SYN_SENT) {
+ interruptible_sleep_on(sk->sleep);
+ if (current->signal & ~current->blocked) {
+ sti();
+ return -ERESTARTSYS;
+ }
+ }
+
+ if (sk->state != TCP_ESTABLISHED) {
+ sti();
+ sock->state = SS_UNCONNECTED;
+ return sock_error(sk); /* Always set at this point */
+ }
+
+ sock->state = SS_CONNECTED;
+
+ sti();
+
+ return 0;
+}
+
+static int rose_socketpair(struct socket *sock1, struct socket *sock2)
+{
+ return -EOPNOTSUPP;
+}
+
+static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
+{
+ struct sock *sk;
+ struct sock *newsk;
+ struct sk_buff *skb;
+
+ if (newsock->data != NULL)
+ rose_destroy_socket((struct sock *)newsock->data);
+
+ newsock->data = NULL;
+
+ if ((sk = (struct sock *)sock->data) == NULL)
+ return -EINVAL;
+
+ if (sk->type != SOCK_SEQPACKET)
+ return -EOPNOTSUPP;
+
+ if (sk->state != TCP_LISTEN)
+ return -EINVAL;
+
+ /*
+ * The write queue this time is holding sockets ready to use
+ * hooked into the SABM we saved
+ */
+ do {
+ cli();
+ if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
+ if (flags & O_NONBLOCK) {
+ sti();
+ return -EWOULDBLOCK;
+ }
+ interruptible_sleep_on(sk->sleep);
+ if (current->signal & ~current->blocked) {
+ sti();
+ return -ERESTARTSYS;
+ }
+ }
+ } while (skb == NULL);
+
+ newsk = skb->sk;
+ newsk->pair = NULL;
+ sti();
+
+ /* Now attach up the new socket */
+ skb->sk = NULL;
+ kfree_skb(skb, FREE_READ);
+ sk->ack_backlog--;
+ newsock->data = newsk;
+
+ return 0;
+}
+
+static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
+ int *uaddr_len, int peer)
+{
+ struct sockaddr_rose *srose = (struct sockaddr_rose *)uaddr;
+ struct sock *sk = (struct sock *)sock->data;
+
+ if (peer != 0) {
+ if (sk->state != TCP_ESTABLISHED)
+ return -ENOTCONN;
+ srose->srose_family = AF_ROSE;
+ srose->srose_ndigis = 0;
+ srose->srose_addr = sk->protinfo.rose->dest_addr;
+ srose->srose_call = sk->protinfo.rose->dest_call;
+ if (sk->protinfo.rose->dest_ndigis == 1) {
+ srose->srose_ndigis = 1;
+ srose->srose_digi = sk->protinfo.rose->dest_digi;
+ }
+ *uaddr_len = sizeof(struct sockaddr_rose);
+ } else {
+ srose->srose_family = AF_ROSE;
+ srose->srose_ndigis = 0;
+ srose->srose_addr = sk->protinfo.rose->source_addr;
+ srose->srose_call = sk->protinfo.rose->source_call;
+ if (sk->protinfo.rose->source_ndigis == 1) {
+ srose->srose_ndigis = 1;
+ srose->srose_digi = sk->protinfo.rose->source_digi;
+ }
+ *uaddr_len = sizeof(struct sockaddr_rose);
+ }
+
+ return 0;
+}
+
+int rose_rx_call_request(struct sk_buff *skb, struct device *dev, struct rose_neigh *neigh, unsigned int lci)
+{
+ struct sock *sk;
+ struct sock *make;
+ struct rose_facilities facilities;
+
+ skb->sk = NULL; /* Initially we don't know who it's for */
+
+ /*
+ * skb->data points to the rose frame start
+ */
+ if (!rose_parse_facilities(skb, &facilities)) {
+ rose_transmit_clear_request(neigh, lci, ROSE_INVALID_FACILITY, 76);
+ return 0;
+ }
+
+ sk = rose_find_listener(&facilities.source_addr, &facilities.source_call);
+
+ /*
+ * We can't accept the Call Request.
+ */
+ if (sk == NULL || sk->ack_backlog == sk->max_ack_backlog || (make = rose_make_new(sk)) == NULL) {
+ rose_transmit_clear_request(neigh, lci, ROSE_NETWORK_CONGESTION, 120);
+ return 0;
+ }
+
+ skb->sk = make;
+ make->state = TCP_ESTABLISHED;
+
+ make->protinfo.rose->lci = lci;
+ make->protinfo.rose->dest_addr = facilities.dest_addr;
+ make->protinfo.rose->dest_call = facilities.dest_call;
+ make->protinfo.rose->dest_ndigis = facilities.dest_ndigis;
+ make->protinfo.rose->dest_digi = facilities.dest_digi;
+ make->protinfo.rose->source_addr = facilities.source_addr;
+ make->protinfo.rose->source_call = facilities.source_call;
+ make->protinfo.rose->source_ndigis = facilities.source_ndigis;
+ make->protinfo.rose->source_digi = facilities.source_digi;
+ make->protinfo.rose->neighbour = neigh;
+ make->protinfo.rose->device = dev;
+
+ make->protinfo.rose->neighbour->use++;
+
+ if (sk->protinfo.rose->defer) {
+ make->protinfo.rose->state = ROSE_STATE_5;
+ } else {
+ rose_write_internal(make, ROSE_CALL_ACCEPTED);
+ make->protinfo.rose->state = ROSE_STATE_3;
+ }
+
+ make->protinfo.rose->condition = 0x00;
+ make->protinfo.rose->vs = 0;
+ make->protinfo.rose->va = 0;
+ make->protinfo.rose->vr = 0;
+ make->protinfo.rose->vl = 0;
+ sk->ack_backlog++;
+ make->pair = sk;
+
+ rose_insert_socket(make);
+
+ skb_queue_head(&sk->receive_queue, skb);
+
+ rose_set_timer(make);
+
+ if (!sk->dead)
+ sk->data_ready(sk, skb->len);
+
+ return 1;
+}
+
+static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int noblock, int flags)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ struct sockaddr_rose *usrose = (struct sockaddr_rose *)msg->msg_name;
+ int err;
+ struct sockaddr_rose srose;
+ struct sk_buff *skb;
+ unsigned char *asmptr;
+ int size, qbit = 0;
+
+ if (sk->err)
+ return sock_error(sk);
+
+ if (flags)
+ return -EINVAL;
+
+ if (sk->zapped)
+ return -EADDRNOTAVAIL;
+
+ if (sk->shutdown & SEND_SHUTDOWN) {
+ send_sig(SIGPIPE, current, 0);
+ return -EPIPE;
+ }
+
+ if (sk->protinfo.rose->neighbour == NULL || sk->protinfo.rose->device == NULL)
+ return -ENETUNREACH;
+
+ if (usrose != NULL) {
+ if (msg->msg_namelen < sizeof(srose))
+ return -EINVAL;
+ srose = *usrose;
+ if (rosecmp(&sk->protinfo.rose->dest_addr, &srose.srose_addr) != 0 ||
+ ax25cmp(&sk->protinfo.rose->dest_call, &srose.srose_call) != 0)
+ return -EISCONN;
+ if (srose.srose_ndigis == 1 && sk->protinfo.rose->dest_ndigis == 1) {
+ if (ax25cmp(&sk->protinfo.rose->dest_digi, &srose.srose_digi) != 0)
+ return -EISCONN;
+ }
+ if (srose.srose_family != AF_ROSE)
+ return -EINVAL;
+ } else {
+ if (sk->state != TCP_ESTABLISHED)
+ return -ENOTCONN;
+
+ srose.srose_family = AF_ROSE;
+ srose.srose_addr = sk->protinfo.rose->dest_addr;
+ srose.srose_call = sk->protinfo.rose->dest_call;
+ srose.srose_ndigis = 0;
+
+ if (sk->protinfo.rose->dest_ndigis == 1) {
+ srose.srose_ndigis = 1;
+ srose.srose_digi = sk->protinfo.rose->dest_digi;
+ }
+ }
+
+ if (sk->debug)
+ printk("ROSE: sendto: Addresses built.\n");
+
+ /* Build a packet */
+ if (sk->debug)
+ printk("ROSE: sendto: building packet.\n");
+
+ size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
+
+ if ((skb = sock_alloc_send_skb(sk, size, 0, 0, &err)) == NULL)
+ return err;
+
+ skb->sk = sk;
+ skb->free = 1;
+
+ skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN);
+
+ /*
+ * Put the data on the end
+ */
+ asmptr = skb->h.raw = skb_put(skb, len);
+
+ if (sk->debug)
+ printk("ROSE: Appending user data\n");
+
+ /* User data follows immediately after the ROSE transport header */
+ memcpy_fromiovec(asmptr, msg->msg_iov, len);
+
+ /*
+ * If the Q BIT Include socket option is in force, the first
+ * byte of the user data is the logical value of the Q Bit.
+ */
+ if (sk->protinfo.rose->qbitincl) {
+ qbit = skb->data[0];
+ skb_pull(skb, 1);
+ }
+
+ /*
+ * Push down the ROSE header
+ */
+ asmptr = skb_push(skb, ROSE_MIN_LEN);
+
+ if (sk->debug)
+ printk("Building ROSE Header.\n");
+
+ /* Build a ROSE Network header */
+ asmptr[0] = ((sk->protinfo.rose->lci >> 8) & 0x0F) | ROSE_GFI;
+ asmptr[1] = (sk->protinfo.rose->lci >> 0) & 0xFF;
+ asmptr[2] = ROSE_DATA;
+
+ if (qbit)
+ asmptr[0] |= ROSE_Q_BIT;
+
+ if (sk->debug)
+ printk("Built header.\n");
+
+ if (sk->debug)
+ printk("ROSE: Transmitting buffer\n");
+
+ if (sk->state != TCP_ESTABLISHED) {
+ kfree_skb(skb, FREE_WRITE);
+ return -ENOTCONN;
+ }
+
+ skb_queue_tail(&sk->write_queue, skb); /* Shove it onto the queue */
+
+ if (sk->protinfo.rose->state == ROSE_STATE_3)
+ rose_kick(sk);
+
+ return len;
+}
+
+
+static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size, int noblock,
+ int flags, int *addr_len)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
+ int copied, qbit;
+ unsigned char *asmptr;
+ struct sk_buff *skb;
+ int er;
+
+ if (sk->err)
+ return sock_error(sk);
+
+ if (addr_len != NULL)
+ *addr_len = sizeof(*srose);
+
+ /*
+ * This works for seqpacket too. The receiver has ordered the queue for
+ * us! We do one quick check first though
+ */
+ if (sk->state != TCP_ESTABLISHED)
+ return -ENOTCONN;
+
+ /* Now we can treat all alike */
+ if ((skb = skb_recv_datagram(sk, flags, noblock, &er)) == NULL)
+ return er;
+
+ qbit = (skb->data[0] & ROSE_Q_BIT) == ROSE_Q_BIT;
+
+ skb_pull(skb, ROSE_MIN_LEN);
+
+ if (sk->protinfo.rose->qbitincl) {
+ asmptr = skb_push(skb, 1);
+ *asmptr = qbit;
+ }
+
+ skb->h.raw = skb->data;
+
+ copied = (size < skb->len) ? size : skb->len;
+ skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+
+ if (srose != NULL) {
+ srose->srose_family = AF_ROSE;
+ srose->srose_addr = sk->protinfo.rose->dest_addr;
+ srose->srose_call = sk->protinfo.rose->dest_call;
+ srose->srose_ndigis = 0;
+
+ if (sk->protinfo.rose->dest_ndigis == 1) {
+ srose->srose_ndigis = 1;
+ srose->srose_digi = sk->protinfo.rose->dest_digi;
+ }
+
+ *addr_len = sizeof(*srose);
+ }
+
+ skb_free_datagram(sk, skb);
+
+ return copied;
+}
+
+static int rose_shutdown(struct socket *sk, int how)
+{
+ return -EOPNOTSUPP;
+}
+
+static int rose_select(struct socket *sock , int sel_type, select_table *wait)
+{
+ struct sock *sk = (struct sock *)sock->data;
+
+ return datagram_select(sk, sel_type, wait);
+}
+
+static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ struct sock *sk = (struct sock *)sock->data;
+ int err;
+
+ switch (cmd) {
+ case TIOCOUTQ: {
+ long amount;
+ if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(unsigned int))) != 0)
+ return err;
+ amount = sk->sndbuf - sk->wmem_alloc;
+ if (amount < 0)
+ amount = 0;
+ put_fs_long(amount, (unsigned int *)arg);
+ return 0;
+ }
+
+ case TIOCINQ: {
+ struct sk_buff *skb;
+ long amount = 0L;
+ /* These two are safe on a single CPU system as only user tasks fiddle here */
+ if ((skb = skb_peek(&sk->receive_queue)) != NULL)
+ amount = skb->len;
+ if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(unsigned int))) != 0)
+ return err;
+ put_fs_long(amount, (unsigned int *)arg);
+ return 0;
+ }
+
+ case SIOCGSTAMP:
+ if (sk != NULL) {
+ if (sk->stamp.tv_sec == 0)
+ return -ENOENT;
+ if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(struct timeval))) != 0)
+ return err;
+ memcpy_tofs((void *)arg, &sk->stamp, sizeof(struct timeval));
+ return 0;
+ }
+ return -EINVAL;
+
+ case SIOCGIFADDR:
+ case SIOCSIFADDR:
+ case SIOCGIFDSTADDR:
+ case SIOCSIFDSTADDR:
+ case SIOCGIFBRDADDR:
+ case SIOCSIFBRDADDR:
+ case SIOCGIFNETMASK:
+ case SIOCSIFNETMASK:
+ case SIOCGIFMETRIC:
+ case SIOCSIFMETRIC:
+ return -EINVAL;
+
+ case SIOCADDRT:
+ case SIOCDELRT:
+ case SIOCRSCLRRT:
+ if (!suser()) return -EPERM;
+ return rose_rt_ioctl(cmd, (void *)arg);
+
+ case SIOCRSGCAUSE: {
+ struct rose_cause_struct rose_cause;
+ if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(struct rose_cause_struct))) != 0)
+ return err;
+ rose_cause.cause = sk->protinfo.rose->cause;
+ rose_cause.diagnostic = sk->protinfo.rose->diagnostic;
+ memcpy_tofs((void *)arg, &rose_cause, sizeof(struct rose_cause_struct));
+ return 0;
+ }
+
+ case SIOCRSSCAUSE: {
+ struct rose_cause_struct rose_cause;
+ if ((err = verify_area(VERIFY_READ, (void *)arg, sizeof(struct rose_cause_struct))) != 0)
+ return err;
+ memcpy_fromfs(&rose_cause, (void *)arg, sizeof(struct rose_cause_struct));
+ sk->protinfo.rose->cause = rose_cause.cause;
+ sk->protinfo.rose->diagnostic = rose_cause.diagnostic;
+ return 0;
+ }
+
+ case SIOCRSL2CALL:
+ if (!suser()) return -EPERM;
+ if ((err = verify_area(VERIFY_READ, (void *)arg, sizeof(ax25_address))) != 0)
+ return err;
+ if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
+ ax25_listen_release(&rose_callsign, NULL);
+ memcpy_fromfs(&rose_callsign, (void *)arg, sizeof(ax25_address));
+ if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
+ ax25_listen_register(&rose_callsign, NULL);
+ return 0;
+
+ case SIOCRSACCEPT:
+ if (sk->protinfo.rose->state == ROSE_STATE_5) {
+ rose_write_internal(sk, ROSE_CALL_ACCEPTED);
+ sk->protinfo.rose->condition = 0x00;
+ sk->protinfo.rose->vs = 0;
+ sk->protinfo.rose->va = 0;
+ sk->protinfo.rose->vr = 0;
+ sk->protinfo.rose->vl = 0;
+ sk->protinfo.rose->state = ROSE_STATE_3;
+ }
+ return 0;
+
+ default:
+ return dev_ioctl(cmd, (void *)arg);
+ }
+
+ /*NOTREACHED*/
+ return 0;
+}
+
+static int rose_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
+{
+ struct sock *s;
+ struct device *dev;
+ const char *devname, *callsign;
+ int len = 0;
+ off_t pos = 0;
+ off_t begin = 0;
+
+ cli();
+
+ len += sprintf(buffer, "dest_addr dest_call src_addr src_call dev lci st vs vr va t t1 t2 t3 hb idle Snd-Q Rcv-Q Inode\n");
+
+ for (s = rose_list; s != NULL; s = s->next) {
+ if ((dev = s->protinfo.rose->device) == NULL)
+ devname = "???";
+ else
+ devname = dev->name;
+
+ len += sprintf(buffer + len, "%-10s %-9s ",
+ rose2asc(&s->protinfo.rose->dest_addr),
+ ax2asc(&s->protinfo.rose->dest_call));
+
+ if (ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0)
+ callsign = "??????-?";
+ else
+ callsign = ax2asc(&s->protinfo.rose->source_call);
+
+ len += sprintf(buffer + len, "%-10s %-9s %-5s %3.3X %d %d %d %d %3d %3d %3d %3d %3d %3d/%03d %5d %5d %ld\n",
+ rose2asc(&s->protinfo.rose->source_addr), callsign,
+ devname, s->protinfo.rose->lci & 0x0FFF,
+ s->protinfo.rose->state,
+ s->protinfo.rose->vs, s->protinfo.rose->vr, s->protinfo.rose->va,
+ s->protinfo.rose->timer / ROSE_SLOWHZ,
+ s->protinfo.rose->t1 / ROSE_SLOWHZ,
+ s->protinfo.rose->t2 / ROSE_SLOWHZ,
+ s->protinfo.rose->t3 / ROSE_SLOWHZ,
+ s->protinfo.rose->hb / ROSE_SLOWHZ,
+ 0, 0,
+ s->wmem_alloc, s->rmem_alloc,
+ s->socket && SOCK_INODE(s->socket) ?
+ SOCK_INODE(s->socket)->i_ino : 0);
+
+ pos = begin + len;
+
+ if (pos < offset) {
+ len = 0;
+ begin = pos;
+ }
+
+ if (pos > offset + length)
+ break;
+ }
+
+ sti();
+
+ *start = buffer + (offset - begin);
+ len -= (offset - begin);
+
+ if (len > length) len = length;
+
+ return(len);
+}
+
+static struct proto_ops rose_proto_ops = {
+ AF_ROSE,
+
+ rose_create,
+ rose_dup,
+ rose_release,
+ rose_bind,
+ rose_connect,
+ rose_socketpair,
+ rose_accept,
+ rose_getname,
+ rose_select,
+ rose_ioctl,
+ rose_listen,
+ rose_shutdown,
+ rose_setsockopt,
+ rose_getsockopt,
+ rose_fcntl,
+ rose_sendmsg,
+ rose_recvmsg
+};
+
+static struct notifier_block rose_dev_notifier = {
+ rose_device_event,
+ 0
+};
+
+#ifdef CONFIG_PROC_FS
+static struct proc_dir_entry proc_net_rose = {
+ PROC_NET_RS, 4, "rose",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_get_info
+};
+static struct proc_dir_entry proc_net_rose_neigh = {
+ PROC_NET_RS_NEIGH, 10, "rose_neigh",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_neigh_get_info
+};
+static struct proc_dir_entry proc_net_rose_nodes = {
+ PROC_NET_RS_NODES, 10, "rose_nodes",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_nodes_get_info
+};
+static struct proc_dir_entry proc_net_rose_routes = {
+ PROC_NET_RS_ROUTES, 11, "rose_routes",
+ S_IFREG | S_IRUGO, 1, 0, 0,
+ 0, &proc_net_inode_operations,
+ rose_routes_get_info
+};
+#endif
+
+static struct device dev_rose[] = {
+ {"rose0", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose1", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose2", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose3", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose4", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+ {"rose5", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init}
+};
+
+void rose_proto_init(struct net_proto *pro)
+{
+ int i;
+
+ rose_callsign = null_ax25_address;
+
+ sock_register(rose_proto_ops.family, &rose_proto_ops);
+ register_netdevice_notifier(&rose_dev_notifier);
+ printk(KERN_INFO "G4KLX ROSE for Linux. Version 0.3 for AX25.035 Linux 2.0\n");
+
+ if (!ax25_protocol_register(AX25_P_ROSE, rose_route_frame))
+ printk(KERN_ERR "ROSE: unable to register protocol with AX.25\n");
+ if (!ax25_linkfail_register(rose_link_failed))
+ printk(KERN_ERR "ROSE: unable to register linkfail handler with AX.25\n");
+
+ for (i = 0; i < 6; i++)
+ register_netdev(&dev_rose[i]);
+
+ rose_register_sysctl();
+
+#ifdef CONFIG_PROC_FS
+ proc_net_register(&proc_net_rose);
+ proc_net_register(&proc_net_rose_neigh);
+ proc_net_register(&proc_net_rose_nodes);
+ proc_net_register(&proc_net_rose_routes);
+#endif
+}
+
+#ifdef MODULE
+
+int init_module(void)
+{
+ rose_proto_init(NULL);
+
+ register_symtab(NULL);
+
+ return 0;
+}
+
+void cleanup_module(void)
+{
+ int i;
+
+#ifdef CONFIG_PROC_FS
+ proc_net_unregister(PROC_NET_RS);
+ proc_net_unregister(PROC_NET_RS_NEIGH);
+ proc_net_unregister(PROC_NET_RS_NODES);
+ proc_net_unregister(PROC_NET_RS_ROUTES);
+#endif
+ rose_rt_free();
+
+ ax25_protocol_release(AX25_P_ROSE);
+ ax25_linkfail_release(rose_link_failed);
+
+ if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
+ ax25_listen_release(&rose_callsign, NULL);
+
+ rose_unregister_sysctl();
+
+ unregister_netdevice_notifier(&rose_dev_notifier);
+
+ sock_unregister(AF_ROSE);
+
+ for (i = 0; i < 6; i++) {
+ if (dev_rose[i].priv != NULL) {
+ kfree(dev_rose[i].priv);
+ dev_rose[i].priv = NULL;
+ unregister_netdev(&dev_rose[i]);
+ }
+ }
+}
+
+#endif
+
+#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov