/*
|
/*
|
* ROSE release 003
|
* ROSE release 003
|
*
|
*
|
* This code REQUIRES 2.1.15 or higher/ NET3.038
|
* This code REQUIRES 2.1.15 or higher/ NET3.038
|
*
|
*
|
* This module:
|
* This module:
|
* This module is free software; you can redistribute it and/or
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* This module is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
|
* modify it under the terms of the GNU General Public License
|
* as published by the Free Software Foundation; either version
|
* as published by the Free Software Foundation; either version
|
* 2 of the License, or (at your option) any later version.
|
* 2 of the License, or (at your option) any later version.
|
*
|
*
|
* History
|
* History
|
* ROSE 001 Jonathan(G4KLX) Cloned from af_netrom.c.
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* ROSE 001 Jonathan(G4KLX) Cloned from af_netrom.c.
|
* Alan(GW4PTS) Hacked up for newer API stuff
|
* Alan(GW4PTS) Hacked up for newer API stuff
|
* Terry (VK2KTJ) Added support for variable length
|
* Terry (VK2KTJ) Added support for variable length
|
* address masks.
|
* address masks.
|
* ROSE 002 Jonathan(G4KLX) Changed hdrincl to qbitincl.
|
* ROSE 002 Jonathan(G4KLX) Changed hdrincl to qbitincl.
|
* Added random number facilities entry.
|
* Added random number facilities entry.
|
* Variable number of ROSE devices.
|
* Variable number of ROSE devices.
|
* ROSE 003 Jonathan(G4KLX) New timer architecture.
|
* ROSE 003 Jonathan(G4KLX) New timer architecture.
|
* Implemented idle timer.
|
* Implemented idle timer.
|
* Added use count to neighbour.
|
* Added use count to neighbour.
|
* Tomi(OH2BNS) Fixed rose_getname().
|
* Tomi(OH2BNS) Fixed rose_getname().
|
* Arnaldo C. Melo s/suser/capable/ + micro cleanups
|
* Arnaldo C. Melo s/suser/capable/ + micro cleanups
|
* Joroen (PE1RXQ) Use sock_orphan() on release.
|
* Joroen (PE1RXQ) Use sock_orphan() on release.
|
*
|
*
|
* ROSE 0.63 Jean-Paul(F6FBB) Fixed wrong length of L3 packets
|
* ROSE 0.63 Jean-Paul(F6FBB) Fixed wrong length of L3 packets
|
* Added CLEAR_REQUEST facilities
|
* Added CLEAR_REQUEST facilities
|
* ROSE 0.64 Jean-Paul(F6FBB) Fixed null pointer in rose_kill_by_device
|
* ROSE 0.64 Jean-Paul(F6FBB) Fixed null pointer in rose_kill_by_device
|
*/
|
*/
|
|
|
#include <linux/config.h>
|
#include <linux/config.h>
|
#include <linux/module.h>
|
#include <linux/module.h>
|
#include <linux/init.h>
|
#include <linux/init.h>
|
#include <linux/errno.h>
|
#include <linux/errno.h>
|
#include <linux/types.h>
|
#include <linux/types.h>
|
#include <linux/socket.h>
|
#include <linux/socket.h>
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#include <linux/in.h>
|
#include <linux/in.h>
|
#include <linux/kernel.h>
|
#include <linux/kernel.h>
|
#include <linux/sched.h>
|
#include <linux/sched.h>
|
#include <linux/timer.h>
|
#include <linux/timer.h>
|
#include <linux/string.h>
|
#include <linux/string.h>
|
#include <linux/sockios.h>
|
#include <linux/sockios.h>
|
#include <linux/net.h>
|
#include <linux/net.h>
|
#include <linux/stat.h>
|
#include <linux/stat.h>
|
#include <net/ax25.h>
|
#include <net/ax25.h>
|
#include <linux/inet.h>
|
#include <linux/inet.h>
|
#include <linux/netdevice.h>
|
#include <linux/netdevice.h>
|
#include <linux/if_arp.h>
|
#include <linux/if_arp.h>
|
#include <linux/skbuff.h>
|
#include <linux/skbuff.h>
|
#include <net/sock.h>
|
#include <net/sock.h>
|
#include <asm/segment.h>
|
#include <asm/segment.h>
|
#include <asm/system.h>
|
#include <asm/system.h>
|
#include <asm/uaccess.h>
|
#include <asm/uaccess.h>
|
#include <linux/fcntl.h>
|
#include <linux/fcntl.h>
|
#include <linux/termios.h> /* For TIOCINQ/OUTQ */
|
#include <linux/termios.h> /* For TIOCINQ/OUTQ */
|
#include <linux/mm.h>
|
#include <linux/mm.h>
|
#include <linux/interrupt.h>
|
#include <linux/interrupt.h>
|
#include <linux/notifier.h>
|
#include <linux/notifier.h>
|
#include <net/rose.h>
|
#include <net/rose.h>
|
#include <linux/proc_fs.h>
|
#include <linux/proc_fs.h>
|
#include <net/ip.h>
|
#include <net/ip.h>
|
#include <net/arp.h>
|
#include <net/arp.h>
|
|
|
int rose_ndevs = 10;
|
int rose_ndevs = 10;
|
|
|
int sysctl_rose_restart_request_timeout = ROSE_DEFAULT_T0;
|
int sysctl_rose_restart_request_timeout = ROSE_DEFAULT_T0;
|
int sysctl_rose_call_request_timeout = ROSE_DEFAULT_T1;
|
int sysctl_rose_call_request_timeout = ROSE_DEFAULT_T1;
|
int sysctl_rose_reset_request_timeout = ROSE_DEFAULT_T2;
|
int sysctl_rose_reset_request_timeout = ROSE_DEFAULT_T2;
|
int sysctl_rose_clear_request_timeout = ROSE_DEFAULT_T3;
|
int sysctl_rose_clear_request_timeout = ROSE_DEFAULT_T3;
|
int sysctl_rose_no_activity_timeout = ROSE_DEFAULT_IDLE;
|
int sysctl_rose_no_activity_timeout = ROSE_DEFAULT_IDLE;
|
int sysctl_rose_ack_hold_back_timeout = ROSE_DEFAULT_HB;
|
int sysctl_rose_ack_hold_back_timeout = ROSE_DEFAULT_HB;
|
int sysctl_rose_routing_control = ROSE_DEFAULT_ROUTING;
|
int sysctl_rose_routing_control = ROSE_DEFAULT_ROUTING;
|
int sysctl_rose_link_fail_timeout = ROSE_DEFAULT_FAIL_TIMEOUT;
|
int sysctl_rose_link_fail_timeout = ROSE_DEFAULT_FAIL_TIMEOUT;
|
int sysctl_rose_maximum_vcs = ROSE_DEFAULT_MAXVC;
|
int sysctl_rose_maximum_vcs = ROSE_DEFAULT_MAXVC;
|
int sysctl_rose_window_size = ROSE_DEFAULT_WINDOW_SIZE;
|
int sysctl_rose_window_size = ROSE_DEFAULT_WINDOW_SIZE;
|
|
|
static struct sock *rose_list;
|
static struct sock *rose_list;
|
|
|
static struct proto_ops rose_proto_ops;
|
static struct proto_ops rose_proto_ops;
|
|
|
ax25_address rose_callsign;
|
ax25_address rose_callsign;
|
|
|
/*
|
/*
|
* Convert a ROSE address into text.
|
* Convert a ROSE address into text.
|
*/
|
*/
|
char *rose2asc(rose_address *addr)
|
char *rose2asc(rose_address *addr)
|
{
|
{
|
static char buffer[11];
|
static char buffer[11];
|
|
|
if (addr->rose_addr[0] == 0x00 && addr->rose_addr[1] == 0x00 &&
|
if (addr->rose_addr[0] == 0x00 && addr->rose_addr[1] == 0x00 &&
|
addr->rose_addr[2] == 0x00 && addr->rose_addr[3] == 0x00 &&
|
addr->rose_addr[2] == 0x00 && addr->rose_addr[3] == 0x00 &&
|
addr->rose_addr[4] == 0x00) {
|
addr->rose_addr[4] == 0x00) {
|
strcpy(buffer, "*");
|
strcpy(buffer, "*");
|
} else {
|
} else {
|
sprintf(buffer, "%02X%02X%02X%02X%02X", addr->rose_addr[0] & 0xFF,
|
sprintf(buffer, "%02X%02X%02X%02X%02X", addr->rose_addr[0] & 0xFF,
|
addr->rose_addr[1] & 0xFF,
|
addr->rose_addr[1] & 0xFF,
|
addr->rose_addr[2] & 0xFF,
|
addr->rose_addr[2] & 0xFF,
|
addr->rose_addr[3] & 0xFF,
|
addr->rose_addr[3] & 0xFF,
|
addr->rose_addr[4] & 0xFF);
|
addr->rose_addr[4] & 0xFF);
|
}
|
}
|
|
|
return buffer;
|
return buffer;
|
}
|
}
|
|
|
/*
|
/*
|
* Compare two ROSE addresses, 0 == equal.
|
* Compare two ROSE addresses, 0 == equal.
|
*/
|
*/
|
int rosecmp(rose_address *addr1, rose_address *addr2)
|
int rosecmp(rose_address *addr1, rose_address *addr2)
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 0; i < 5; i++)
|
for (i = 0; i < 5; i++)
|
if (addr1->rose_addr[i] != addr2->rose_addr[i])
|
if (addr1->rose_addr[i] != addr2->rose_addr[i])
|
return 1;
|
return 1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Compare two ROSE addresses for only mask digits, 0 == equal.
|
* Compare two ROSE addresses for only mask digits, 0 == equal.
|
*/
|
*/
|
int rosecmpm(rose_address *addr1, rose_address *addr2, unsigned short mask)
|
int rosecmpm(rose_address *addr1, rose_address *addr2, unsigned short mask)
|
{
|
{
|
int i, j;
|
int i, j;
|
|
|
if (mask > 10)
|
if (mask > 10)
|
return 1;
|
return 1;
|
|
|
for (i = 0; i < mask; i++) {
|
for (i = 0; i < mask; i++) {
|
j = i / 2;
|
j = i / 2;
|
|
|
if ((i % 2) != 0) {
|
if ((i % 2) != 0) {
|
if ((addr1->rose_addr[j] & 0x0F) != (addr2->rose_addr[j] & 0x0F))
|
if ((addr1->rose_addr[j] & 0x0F) != (addr2->rose_addr[j] & 0x0F))
|
return 1;
|
return 1;
|
} else {
|
} else {
|
if ((addr1->rose_addr[j] & 0xF0) != (addr2->rose_addr[j] & 0xF0))
|
if ((addr1->rose_addr[j] & 0xF0) != (addr2->rose_addr[j] & 0xF0))
|
return 1;
|
return 1;
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void rose_free_sock(struct sock *sk)
|
static void rose_free_sock(struct sock *sk)
|
{
|
{
|
sk_free(sk);
|
sk_free(sk);
|
|
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
}
|
}
|
|
|
static struct sock *rose_alloc_sock(void)
|
static struct sock *rose_alloc_sock(void)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
rose_cb *rose;
|
rose_cb *rose;
|
|
|
if ((sk = sk_alloc(PF_ROSE, GFP_ATOMIC, 1)) == NULL)
|
if ((sk = sk_alloc(PF_ROSE, GFP_ATOMIC, 1)) == NULL)
|
return NULL;
|
return NULL;
|
|
|
if ((rose = kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
|
if ((rose = kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
|
sk_free(sk);
|
sk_free(sk);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
MOD_INC_USE_COUNT;
|
MOD_INC_USE_COUNT;
|
|
|
memset(rose, 0x00, sizeof(*rose));
|
memset(rose, 0x00, sizeof(*rose));
|
|
|
sk->protinfo.rose = rose;
|
sk->protinfo.rose = rose;
|
rose->sk = sk;
|
rose->sk = sk;
|
|
|
return sk;
|
return sk;
|
}
|
}
|
|
|
/*
|
/*
|
* Socket removal during an interrupt is now safe.
|
* Socket removal during an interrupt is now safe.
|
*/
|
*/
|
static void rose_remove_socket(struct sock *sk)
|
static void rose_remove_socket(struct sock *sk)
|
{
|
{
|
struct sock *s;
|
struct sock *s;
|
unsigned long flags;
|
unsigned long flags;
|
|
|
save_flags(flags); cli();
|
save_flags(flags); cli();
|
|
|
if ((s = rose_list) == sk) {
|
if ((s = rose_list) == sk) {
|
rose_list = s->next;
|
rose_list = s->next;
|
restore_flags(flags);
|
restore_flags(flags);
|
return;
|
return;
|
}
|
}
|
|
|
while (s != NULL && s->next != NULL) {
|
while (s != NULL && s->next != NULL) {
|
if (s->next == sk) {
|
if (s->next == sk) {
|
s->next = sk->next;
|
s->next = sk->next;
|
restore_flags(flags);
|
restore_flags(flags);
|
return;
|
return;
|
}
|
}
|
|
|
s = s->next;
|
s = s->next;
|
}
|
}
|
|
|
restore_flags(flags);
|
restore_flags(flags);
|
}
|
}
|
|
|
/*
|
/*
|
* Kill all bound sockets on a broken link layer connection to a
|
* Kill all bound sockets on a broken link layer connection to a
|
* particular neighbour.
|
* particular neighbour.
|
*/
|
*/
|
void rose_kill_by_neigh(struct rose_neigh *neigh)
|
void rose_kill_by_neigh(struct rose_neigh *neigh)
|
{
|
{
|
struct sock *s;
|
struct sock *s;
|
|
|
for (s = rose_list; s != NULL; s = s->next) {
|
for (s = rose_list; s != NULL; s = s->next) {
|
if (s->protinfo.rose->neighbour == neigh) {
|
if (s->protinfo.rose->neighbour == neigh) {
|
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
|
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
|
s->protinfo.rose->neighbour->use--;
|
s->protinfo.rose->neighbour->use--;
|
s->protinfo.rose->neighbour = NULL;
|
s->protinfo.rose->neighbour = NULL;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
* Kill all bound sockets on a dropped device.
|
* Kill all bound sockets on a dropped device.
|
*/
|
*/
|
static void rose_kill_by_device(struct net_device *dev)
|
static void rose_kill_by_device(struct net_device *dev)
|
{
|
{
|
struct sock *s;
|
struct sock *s;
|
|
|
for (s = rose_list; s != NULL; s = s->next) {
|
for (s = rose_list; s != NULL; s = s->next) {
|
if (s->protinfo.rose->device == dev) {
|
if (s->protinfo.rose->device == dev) {
|
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
|
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
|
if (s->protinfo.rose->neighbour)
|
if (s->protinfo.rose->neighbour)
|
s->protinfo.rose->neighbour->use--;
|
s->protinfo.rose->neighbour->use--;
|
s->protinfo.rose->device = NULL;
|
s->protinfo.rose->device = NULL;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
* Handle device status changes.
|
* Handle device status changes.
|
*/
|
*/
|
static int rose_device_event(struct notifier_block *this, unsigned long event, void *ptr)
|
static int rose_device_event(struct notifier_block *this, unsigned long event, void *ptr)
|
{
|
{
|
struct net_device *dev = (struct net_device *)ptr;
|
struct net_device *dev = (struct net_device *)ptr;
|
|
|
if (event != NETDEV_DOWN)
|
if (event != NETDEV_DOWN)
|
return NOTIFY_DONE;
|
return NOTIFY_DONE;
|
|
|
switch (dev->type) {
|
switch (dev->type) {
|
case ARPHRD_ROSE:
|
case ARPHRD_ROSE:
|
rose_kill_by_device(dev);
|
rose_kill_by_device(dev);
|
break;
|
break;
|
case ARPHRD_AX25:
|
case ARPHRD_AX25:
|
rose_link_device_down(dev);
|
rose_link_device_down(dev);
|
rose_rt_device_down(dev);
|
rose_rt_device_down(dev);
|
break;
|
break;
|
}
|
}
|
|
|
return NOTIFY_DONE;
|
return NOTIFY_DONE;
|
}
|
}
|
|
|
/*
|
/*
|
* Add a socket to the bound sockets list.
|
* Add a socket to the bound sockets list.
|
*/
|
*/
|
static void rose_insert_socket(struct sock *sk)
|
static void rose_insert_socket(struct sock *sk)
|
{
|
{
|
unsigned long flags;
|
unsigned long flags;
|
|
|
save_flags(flags); cli();
|
save_flags(flags); cli();
|
|
|
sk->next = rose_list;
|
sk->next = rose_list;
|
rose_list = sk;
|
rose_list = sk;
|
|
|
restore_flags(flags);
|
restore_flags(flags);
|
}
|
}
|
|
|
/*
|
/*
|
* Find a socket that wants to accept the Call Request we just
|
* Find a socket that wants to accept the Call Request we just
|
* received.
|
* received.
|
*/
|
*/
|
static struct sock *rose_find_listener(rose_address *addr, ax25_address *call)
|
static struct sock *rose_find_listener(rose_address *addr, ax25_address *call)
|
{
|
{
|
unsigned long flags;
|
unsigned long flags;
|
struct sock *s;
|
struct sock *s;
|
|
|
save_flags(flags); cli();
|
save_flags(flags); cli();
|
|
|
for (s = rose_list; s != NULL; s = s->next) {
|
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) {
|
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);
|
restore_flags(flags);
|
return s;
|
return s;
|
}
|
}
|
}
|
}
|
|
|
for (s = rose_list; s != NULL; s = s->next) {
|
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) {
|
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);
|
restore_flags(flags);
|
return s;
|
return s;
|
}
|
}
|
}
|
}
|
|
|
restore_flags(flags);
|
restore_flags(flags);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/*
|
/*
|
* Find a connected ROSE socket given my LCI and device.
|
* Find a connected ROSE socket given my LCI and device.
|
*/
|
*/
|
struct sock *rose_find_socket(unsigned int lci, struct rose_neigh *neigh)
|
struct sock *rose_find_socket(unsigned int lci, struct rose_neigh *neigh)
|
{
|
{
|
struct sock *s;
|
struct sock *s;
|
unsigned long flags;
|
unsigned long flags;
|
|
|
save_flags(flags); cli();
|
save_flags(flags); cli();
|
|
|
for (s = rose_list; s != NULL; s = s->next) {
|
for (s = rose_list; s != NULL; s = s->next) {
|
if (s->protinfo.rose->lci == lci && s->protinfo.rose->neighbour == neigh) {
|
if (s->protinfo.rose->lci == lci && s->protinfo.rose->neighbour == neigh) {
|
restore_flags(flags);
|
restore_flags(flags);
|
return s;
|
return s;
|
}
|
}
|
}
|
}
|
|
|
restore_flags(flags);
|
restore_flags(flags);
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/*
|
/*
|
* Find a unique LCI for a given device.
|
* Find a unique LCI for a given device.
|
*/
|
*/
|
unsigned int rose_new_lci(struct rose_neigh *neigh)
|
unsigned int rose_new_lci(struct rose_neigh *neigh)
|
{
|
{
|
int lci;
|
int lci;
|
|
|
if (neigh->dce_mode) {
|
if (neigh->dce_mode) {
|
for (lci = 1; lci <= sysctl_rose_maximum_vcs; lci++)
|
for (lci = 1; lci <= sysctl_rose_maximum_vcs; lci++)
|
if (rose_find_socket(lci, neigh) == NULL && rose_route_free_lci(lci, neigh) == NULL)
|
if (rose_find_socket(lci, neigh) == NULL && rose_route_free_lci(lci, neigh) == NULL)
|
return lci;
|
return lci;
|
} else {
|
} else {
|
for (lci = sysctl_rose_maximum_vcs; lci > 0; lci--)
|
for (lci = sysctl_rose_maximum_vcs; lci > 0; lci--)
|
if (rose_find_socket(lci, neigh) == NULL && rose_route_free_lci(lci, neigh) == NULL)
|
if (rose_find_socket(lci, neigh) == NULL && rose_route_free_lci(lci, neigh) == NULL)
|
return lci;
|
return lci;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Deferred destroy.
|
* Deferred destroy.
|
*/
|
*/
|
void rose_destroy_socket(struct sock *);
|
void rose_destroy_socket(struct sock *);
|
|
|
/*
|
/*
|
* Handler for deferred kills.
|
* Handler for deferred kills.
|
*/
|
*/
|
static void rose_destroy_timer(unsigned long data)
|
static void rose_destroy_timer(unsigned long data)
|
{
|
{
|
rose_destroy_socket((struct sock *)data);
|
rose_destroy_socket((struct sock *)data);
|
}
|
}
|
|
|
/*
|
/*
|
* This is called from user mode and the timers. Thus it protects itself against
|
* 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.
|
* interrupt users but doesn't worry about being called during work.
|
* Once it is removed from the queue no interrupt or bottom half will
|
* Once it is removed from the queue no interrupt or bottom half will
|
* touch it and we are (fairly 8-) ) safe.
|
* touch it and we are (fairly 8-) ) safe.
|
*/
|
*/
|
void rose_destroy_socket(struct sock *sk) /* Not static as it's used by the timer */
|
void rose_destroy_socket(struct sock *sk) /* Not static as it's used by the timer */
|
{
|
{
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
unsigned long flags;
|
unsigned long flags;
|
|
|
save_flags(flags); cli();
|
save_flags(flags); cli();
|
|
|
rose_stop_heartbeat(sk);
|
rose_stop_heartbeat(sk);
|
rose_stop_idletimer(sk);
|
rose_stop_idletimer(sk);
|
rose_stop_timer(sk);
|
rose_stop_timer(sk);
|
|
|
rose_remove_socket(sk);
|
rose_remove_socket(sk);
|
rose_clear_queues(sk); /* Flush the queues */
|
rose_clear_queues(sk); /* Flush the queues */
|
|
|
while ((skb = skb_dequeue(&sk->receive_queue)) != NULL) {
|
while ((skb = skb_dequeue(&sk->receive_queue)) != NULL) {
|
if (skb->sk != sk) { /* A pending connection */
|
if (skb->sk != sk) { /* A pending connection */
|
skb->sk->dead = 1; /* Queue the unaccepted socket for death */
|
skb->sk->dead = 1; /* Queue the unaccepted socket for death */
|
rose_start_heartbeat(skb->sk);
|
rose_start_heartbeat(skb->sk);
|
skb->sk->protinfo.rose->state = ROSE_STATE_0;
|
skb->sk->protinfo.rose->state = ROSE_STATE_0;
|
}
|
}
|
|
|
kfree_skb(skb);
|
kfree_skb(skb);
|
}
|
}
|
|
|
if (atomic_read(&sk->wmem_alloc) != 0 || atomic_read(&sk->rmem_alloc) != 0) {
|
if (atomic_read(&sk->wmem_alloc) != 0 || atomic_read(&sk->rmem_alloc) != 0) {
|
/* Defer: outstanding buffers */
|
/* Defer: outstanding buffers */
|
init_timer(&sk->timer);
|
init_timer(&sk->timer);
|
sk->timer.expires = jiffies + 10 * HZ;
|
sk->timer.expires = jiffies + 10 * HZ;
|
sk->timer.function = rose_destroy_timer;
|
sk->timer.function = rose_destroy_timer;
|
sk->timer.data = (unsigned long)sk;
|
sk->timer.data = (unsigned long)sk;
|
add_timer(&sk->timer);
|
add_timer(&sk->timer);
|
} else {
|
} else {
|
rose_free_sock(sk);
|
rose_free_sock(sk);
|
}
|
}
|
|
|
restore_flags(flags);
|
restore_flags(flags);
|
}
|
}
|
|
|
/*
|
/*
|
* Handling for system calls applied via the various interfaces to a
|
* Handling for system calls applied via the various interfaces to a
|
* ROSE socket object.
|
* ROSE socket object.
|
*/
|
*/
|
|
|
static int rose_setsockopt(struct socket *sock, int level, int optname,
|
static int rose_setsockopt(struct socket *sock, int level, int optname,
|
char *optval, int optlen)
|
char *optval, int optlen)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
int opt;
|
int opt;
|
|
|
if (level != SOL_ROSE)
|
if (level != SOL_ROSE)
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
|
|
if (optlen < sizeof(int))
|
if (optlen < sizeof(int))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (get_user(opt, (int *)optval))
|
if (get_user(opt, (int *)optval))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
switch (optname) {
|
switch (optname) {
|
case ROSE_DEFER:
|
case ROSE_DEFER:
|
sk->protinfo.rose->defer = opt ? 1 : 0;
|
sk->protinfo.rose->defer = opt ? 1 : 0;
|
return 0;
|
return 0;
|
|
|
case ROSE_T1:
|
case ROSE_T1:
|
if (opt < 1)
|
if (opt < 1)
|
return -EINVAL;
|
return -EINVAL;
|
sk->protinfo.rose->t1 = opt * HZ;
|
sk->protinfo.rose->t1 = opt * HZ;
|
return 0;
|
return 0;
|
|
|
case ROSE_T2:
|
case ROSE_T2:
|
if (opt < 1)
|
if (opt < 1)
|
return -EINVAL;
|
return -EINVAL;
|
sk->protinfo.rose->t2 = opt * HZ;
|
sk->protinfo.rose->t2 = opt * HZ;
|
return 0;
|
return 0;
|
|
|
case ROSE_T3:
|
case ROSE_T3:
|
if (opt < 1)
|
if (opt < 1)
|
return -EINVAL;
|
return -EINVAL;
|
sk->protinfo.rose->t3 = opt * HZ;
|
sk->protinfo.rose->t3 = opt * HZ;
|
return 0;
|
return 0;
|
|
|
case ROSE_HOLDBACK:
|
case ROSE_HOLDBACK:
|
if (opt < 1)
|
if (opt < 1)
|
return -EINVAL;
|
return -EINVAL;
|
sk->protinfo.rose->hb = opt * HZ;
|
sk->protinfo.rose->hb = opt * HZ;
|
return 0;
|
return 0;
|
|
|
case ROSE_IDLE:
|
case ROSE_IDLE:
|
if (opt < 0)
|
if (opt < 0)
|
return -EINVAL;
|
return -EINVAL;
|
sk->protinfo.rose->idle = opt * 60 * HZ;
|
sk->protinfo.rose->idle = opt * 60 * HZ;
|
return 0;
|
return 0;
|
|
|
case ROSE_QBITINCL:
|
case ROSE_QBITINCL:
|
sk->protinfo.rose->qbitincl = opt ? 1 : 0;
|
sk->protinfo.rose->qbitincl = opt ? 1 : 0;
|
return 0;
|
return 0;
|
|
|
default:
|
default:
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
}
|
}
|
}
|
}
|
|
|
static int rose_getsockopt(struct socket *sock, int level, int optname,
|
static int rose_getsockopt(struct socket *sock, int level, int optname,
|
char *optval, int *optlen)
|
char *optval, int *optlen)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
int val = 0;
|
int val = 0;
|
int len;
|
int len;
|
|
|
if (level != SOL_ROSE)
|
if (level != SOL_ROSE)
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
|
|
if (get_user(len, optlen))
|
if (get_user(len, optlen))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
if (len < 0)
|
if (len < 0)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
switch (optname) {
|
switch (optname) {
|
case ROSE_DEFER:
|
case ROSE_DEFER:
|
val = sk->protinfo.rose->defer;
|
val = sk->protinfo.rose->defer;
|
break;
|
break;
|
|
|
case ROSE_T1:
|
case ROSE_T1:
|
val = sk->protinfo.rose->t1 / HZ;
|
val = sk->protinfo.rose->t1 / HZ;
|
break;
|
break;
|
|
|
case ROSE_T2:
|
case ROSE_T2:
|
val = sk->protinfo.rose->t2 / HZ;
|
val = sk->protinfo.rose->t2 / HZ;
|
break;
|
break;
|
|
|
case ROSE_T3:
|
case ROSE_T3:
|
val = sk->protinfo.rose->t3 / HZ;
|
val = sk->protinfo.rose->t3 / HZ;
|
break;
|
break;
|
|
|
case ROSE_HOLDBACK:
|
case ROSE_HOLDBACK:
|
val = sk->protinfo.rose->hb / HZ;
|
val = sk->protinfo.rose->hb / HZ;
|
break;
|
break;
|
|
|
case ROSE_IDLE:
|
case ROSE_IDLE:
|
val = sk->protinfo.rose->idle / (60 * HZ);
|
val = sk->protinfo.rose->idle / (60 * HZ);
|
break;
|
break;
|
|
|
case ROSE_QBITINCL:
|
case ROSE_QBITINCL:
|
val = sk->protinfo.rose->qbitincl;
|
val = sk->protinfo.rose->qbitincl;
|
break;
|
break;
|
|
|
default:
|
default:
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
}
|
}
|
|
|
len = min_t(unsigned int, len, sizeof(int));
|
len = min_t(unsigned int, len, sizeof(int));
|
|
|
if (put_user(len, optlen))
|
if (put_user(len, optlen))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
return copy_to_user(optval, &val, len) ? -EFAULT : 0;
|
return copy_to_user(optval, &val, len) ? -EFAULT : 0;
|
}
|
}
|
|
|
static int rose_listen(struct socket *sock, int backlog)
|
static int rose_listen(struct socket *sock, int backlog)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
if (sk->state != TCP_LISTEN) {
|
if (sk->state != TCP_LISTEN) {
|
sk->protinfo.rose->dest_ndigis = 0;
|
sk->protinfo.rose->dest_ndigis = 0;
|
memset(&sk->protinfo.rose->dest_addr, '\0', ROSE_ADDR_LEN);
|
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_call, '\0', AX25_ADDR_LEN);
|
memset(sk->protinfo.rose->dest_digis, '\0', AX25_ADDR_LEN*ROSE_MAX_DIGIS);
|
memset(sk->protinfo.rose->dest_digis, '\0', AX25_ADDR_LEN*ROSE_MAX_DIGIS);
|
sk->max_ack_backlog = backlog;
|
sk->max_ack_backlog = backlog;
|
sk->state = TCP_LISTEN;
|
sk->state = TCP_LISTEN;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
}
|
}
|
|
|
static int rose_create(struct socket *sock, int protocol)
|
static int rose_create(struct socket *sock, int protocol)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
rose_cb *rose;
|
rose_cb *rose;
|
|
|
if (sock->type != SOCK_SEQPACKET || protocol != 0)
|
if (sock->type != SOCK_SEQPACKET || protocol != 0)
|
return -ESOCKTNOSUPPORT;
|
return -ESOCKTNOSUPPORT;
|
|
|
if ((sk = rose_alloc_sock()) == NULL)
|
if ((sk = rose_alloc_sock()) == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
rose = sk->protinfo.rose;
|
rose = sk->protinfo.rose;
|
|
|
sock_init_data(sock, sk);
|
sock_init_data(sock, sk);
|
|
|
skb_queue_head_init(&rose->ack_queue);
|
skb_queue_head_init(&rose->ack_queue);
|
#ifdef M_BIT
|
#ifdef M_BIT
|
skb_queue_head_init(&rose->frag_queue);
|
skb_queue_head_init(&rose->frag_queue);
|
rose->fraglen = 0;
|
rose->fraglen = 0;
|
#endif
|
#endif
|
|
|
sock->ops = &rose_proto_ops;
|
sock->ops = &rose_proto_ops;
|
sk->protocol = protocol;
|
sk->protocol = protocol;
|
|
|
init_timer(&rose->timer);
|
init_timer(&rose->timer);
|
init_timer(&rose->idletimer);
|
init_timer(&rose->idletimer);
|
|
|
rose->t1 = sysctl_rose_call_request_timeout;
|
rose->t1 = sysctl_rose_call_request_timeout;
|
rose->t2 = sysctl_rose_reset_request_timeout;
|
rose->t2 = sysctl_rose_reset_request_timeout;
|
rose->t3 = sysctl_rose_clear_request_timeout;
|
rose->t3 = sysctl_rose_clear_request_timeout;
|
rose->hb = sysctl_rose_ack_hold_back_timeout;
|
rose->hb = sysctl_rose_ack_hold_back_timeout;
|
rose->idle = sysctl_rose_no_activity_timeout;
|
rose->idle = sysctl_rose_no_activity_timeout;
|
|
|
rose->state = ROSE_STATE_0;
|
rose->state = ROSE_STATE_0;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static struct sock *rose_make_new(struct sock *osk)
|
static struct sock *rose_make_new(struct sock *osk)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
rose_cb *rose;
|
rose_cb *rose;
|
|
|
if (osk->type != SOCK_SEQPACKET)
|
if (osk->type != SOCK_SEQPACKET)
|
return NULL;
|
return NULL;
|
|
|
if ((sk = rose_alloc_sock()) == NULL)
|
if ((sk = rose_alloc_sock()) == NULL)
|
return NULL;
|
return NULL;
|
|
|
rose = sk->protinfo.rose;
|
rose = sk->protinfo.rose;
|
|
|
sock_init_data(NULL, sk);
|
sock_init_data(NULL, sk);
|
|
|
skb_queue_head_init(&rose->ack_queue);
|
skb_queue_head_init(&rose->ack_queue);
|
#ifdef M_BIT
|
#ifdef M_BIT
|
skb_queue_head_init(&rose->frag_queue);
|
skb_queue_head_init(&rose->frag_queue);
|
rose->fraglen = 0;
|
rose->fraglen = 0;
|
#endif
|
#endif
|
|
|
sk->type = osk->type;
|
sk->type = osk->type;
|
sk->socket = osk->socket;
|
sk->socket = osk->socket;
|
sk->priority = osk->priority;
|
sk->priority = osk->priority;
|
sk->protocol = osk->protocol;
|
sk->protocol = osk->protocol;
|
sk->rcvbuf = osk->rcvbuf;
|
sk->rcvbuf = osk->rcvbuf;
|
sk->sndbuf = osk->sndbuf;
|
sk->sndbuf = osk->sndbuf;
|
sk->debug = osk->debug;
|
sk->debug = osk->debug;
|
sk->state = TCP_ESTABLISHED;
|
sk->state = TCP_ESTABLISHED;
|
sk->sleep = osk->sleep;
|
sk->sleep = osk->sleep;
|
sk->zapped = osk->zapped;
|
sk->zapped = osk->zapped;
|
|
|
init_timer(&rose->timer);
|
init_timer(&rose->timer);
|
init_timer(&rose->idletimer);
|
init_timer(&rose->idletimer);
|
|
|
rose->t1 = osk->protinfo.rose->t1;
|
rose->t1 = osk->protinfo.rose->t1;
|
rose->t2 = osk->protinfo.rose->t2;
|
rose->t2 = osk->protinfo.rose->t2;
|
rose->t3 = osk->protinfo.rose->t3;
|
rose->t3 = osk->protinfo.rose->t3;
|
rose->hb = osk->protinfo.rose->hb;
|
rose->hb = osk->protinfo.rose->hb;
|
rose->idle = osk->protinfo.rose->idle;
|
rose->idle = osk->protinfo.rose->idle;
|
|
|
rose->defer = osk->protinfo.rose->defer;
|
rose->defer = osk->protinfo.rose->defer;
|
rose->device = osk->protinfo.rose->device;
|
rose->device = osk->protinfo.rose->device;
|
rose->qbitincl = osk->protinfo.rose->qbitincl;
|
rose->qbitincl = osk->protinfo.rose->qbitincl;
|
|
|
return sk;
|
return sk;
|
}
|
}
|
|
|
static int rose_release(struct socket *sock)
|
static int rose_release(struct socket *sock)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
if (sk == NULL) return 0;
|
if (sk == NULL) return 0;
|
|
|
switch (sk->protinfo.rose->state) {
|
switch (sk->protinfo.rose->state) {
|
|
|
case ROSE_STATE_0:
|
case ROSE_STATE_0:
|
rose_disconnect(sk, 0, -1, -1);
|
rose_disconnect(sk, 0, -1, -1);
|
rose_destroy_socket(sk);
|
rose_destroy_socket(sk);
|
break;
|
break;
|
|
|
case ROSE_STATE_2:
|
case ROSE_STATE_2:
|
sk->protinfo.rose->neighbour->use--;
|
sk->protinfo.rose->neighbour->use--;
|
rose_disconnect(sk, 0, -1, -1);
|
rose_disconnect(sk, 0, -1, -1);
|
rose_destroy_socket(sk);
|
rose_destroy_socket(sk);
|
break;
|
break;
|
|
|
case ROSE_STATE_1:
|
case ROSE_STATE_1:
|
case ROSE_STATE_3:
|
case ROSE_STATE_3:
|
case ROSE_STATE_4:
|
case ROSE_STATE_4:
|
case ROSE_STATE_5:
|
case ROSE_STATE_5:
|
rose_clear_queues(sk);
|
rose_clear_queues(sk);
|
rose_stop_idletimer(sk);
|
rose_stop_idletimer(sk);
|
rose_write_internal(sk, ROSE_CLEAR_REQUEST);
|
rose_write_internal(sk, ROSE_CLEAR_REQUEST);
|
rose_start_t3timer(sk);
|
rose_start_t3timer(sk);
|
sk->protinfo.rose->state = ROSE_STATE_2;
|
sk->protinfo.rose->state = ROSE_STATE_2;
|
sk->state = TCP_CLOSE;
|
sk->state = TCP_CLOSE;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->state_change(sk);
|
sk->state_change(sk);
|
sock_orphan(sk);
|
sock_orphan(sk);
|
sk->destroy = 1;
|
sk->destroy = 1;
|
break;
|
break;
|
|
|
default:
|
default:
|
sk->socket = NULL;
|
sk->socket = NULL;
|
break;
|
break;
|
}
|
}
|
|
|
sock->sk = NULL;
|
sock->sk = NULL;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
|
static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
|
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
|
struct net_device *dev;
|
struct net_device *dev;
|
ax25_address *user, *source;
|
ax25_address *user, *source;
|
int n;
|
int n;
|
|
|
if (sk->zapped == 0)
|
if (sk->zapped == 0)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr_len != sizeof(struct sockaddr_rose) && addr_len != sizeof(struct full_sockaddr_rose))
|
if (addr_len != sizeof(struct sockaddr_rose) && addr_len != sizeof(struct full_sockaddr_rose))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr->srose_family != AF_ROSE)
|
if (addr->srose_family != AF_ROSE)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
|
if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr->srose_ndigis > ROSE_MAX_DIGIS)
|
if (addr->srose_ndigis > ROSE_MAX_DIGIS)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
|
if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
|
SOCK_DEBUG(sk, "ROSE: bind failed: invalid address\n");
|
SOCK_DEBUG(sk, "ROSE: bind failed: invalid address\n");
|
return -EADDRNOTAVAIL;
|
return -EADDRNOTAVAIL;
|
}
|
}
|
|
|
source = &addr->srose_call;
|
source = &addr->srose_call;
|
|
|
if ((user = ax25_findbyuid(current->euid)) == NULL) {
|
if ((user = ax25_findbyuid(current->euid)) == NULL) {
|
if (ax25_uid_policy && !capable(CAP_NET_BIND_SERVICE))
|
if (ax25_uid_policy && !capable(CAP_NET_BIND_SERVICE))
|
return -EACCES;
|
return -EACCES;
|
user = source;
|
user = source;
|
}
|
}
|
|
|
sk->protinfo.rose->source_addr = addr->srose_addr;
|
sk->protinfo.rose->source_addr = addr->srose_addr;
|
sk->protinfo.rose->source_call = *user;
|
sk->protinfo.rose->source_call = *user;
|
sk->protinfo.rose->device = dev;
|
sk->protinfo.rose->device = dev;
|
sk->protinfo.rose->source_ndigis = addr->srose_ndigis;
|
sk->protinfo.rose->source_ndigis = addr->srose_ndigis;
|
|
|
if (addr_len == sizeof(struct full_sockaddr_rose)) {
|
if (addr_len == sizeof(struct full_sockaddr_rose)) {
|
struct full_sockaddr_rose *full_addr = (struct full_sockaddr_rose *)uaddr;
|
struct full_sockaddr_rose *full_addr = (struct full_sockaddr_rose *)uaddr;
|
for (n = 0 ; n < addr->srose_ndigis ; n++)
|
for (n = 0 ; n < addr->srose_ndigis ; n++)
|
sk->protinfo.rose->source_digis[n] = full_addr->srose_digis[n];
|
sk->protinfo.rose->source_digis[n] = full_addr->srose_digis[n];
|
} else {
|
} else {
|
if (sk->protinfo.rose->source_ndigis == 1) {
|
if (sk->protinfo.rose->source_ndigis == 1) {
|
sk->protinfo.rose->source_digis[0] = addr->srose_digi;
|
sk->protinfo.rose->source_digis[0] = addr->srose_digi;
|
}
|
}
|
}
|
}
|
|
|
rose_insert_socket(sk);
|
rose_insert_socket(sk);
|
|
|
sk->zapped = 0;
|
sk->zapped = 0;
|
SOCK_DEBUG(sk, "ROSE: socket is bound\n");
|
SOCK_DEBUG(sk, "ROSE: socket is bound\n");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags)
|
static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
|
struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
|
unsigned char cause, diagnostic;
|
unsigned char cause, diagnostic;
|
ax25_address *user;
|
ax25_address *user;
|
struct net_device *dev;
|
struct net_device *dev;
|
int n;
|
int n;
|
|
|
if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
|
if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
|
sock->state = SS_CONNECTED;
|
sock->state = SS_CONNECTED;
|
return 0; /* Connect completed during a ERESTARTSYS event */
|
return 0; /* Connect completed during a ERESTARTSYS event */
|
}
|
}
|
|
|
if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
|
if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
|
sock->state = SS_UNCONNECTED;
|
sock->state = SS_UNCONNECTED;
|
return -ECONNREFUSED;
|
return -ECONNREFUSED;
|
}
|
}
|
|
|
if (sk->state == TCP_ESTABLISHED)
|
if (sk->state == TCP_ESTABLISHED)
|
return -EISCONN; /* No reconnect on a seqpacket socket */
|
return -EISCONN; /* No reconnect on a seqpacket socket */
|
|
|
sk->state = TCP_CLOSE;
|
sk->state = TCP_CLOSE;
|
sock->state = SS_UNCONNECTED;
|
sock->state = SS_UNCONNECTED;
|
|
|
if (addr_len != sizeof(struct sockaddr_rose) && addr_len != sizeof(struct full_sockaddr_rose))
|
if (addr_len != sizeof(struct sockaddr_rose) && addr_len != sizeof(struct full_sockaddr_rose))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr->srose_family != AF_ROSE)
|
if (addr->srose_family != AF_ROSE)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
|
if (addr_len == sizeof(struct sockaddr_rose) && addr->srose_ndigis > 1)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (addr->srose_ndigis > ROSE_MAX_DIGIS)
|
if (addr->srose_ndigis > ROSE_MAX_DIGIS)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
/* Source + Destination digis should not exceed ROSE_MAX_DIGIS */
|
/* Source + Destination digis should not exceed ROSE_MAX_DIGIS */
|
if ((sk->protinfo.rose->source_ndigis + addr->srose_ndigis) > ROSE_MAX_DIGIS)
|
if ((sk->protinfo.rose->source_ndigis + addr->srose_ndigis) > ROSE_MAX_DIGIS)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if ((sk->protinfo.rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic)) == NULL)
|
if ((sk->protinfo.rose->neighbour = rose_get_neigh(&addr->srose_addr, &cause, &diagnostic)) == NULL)
|
return -ENETUNREACH;
|
return -ENETUNREACH;
|
|
|
if ((sk->protinfo.rose->lci = rose_new_lci(sk->protinfo.rose->neighbour)) == 0)
|
if ((sk->protinfo.rose->lci = rose_new_lci(sk->protinfo.rose->neighbour)) == 0)
|
return -ENETUNREACH;
|
return -ENETUNREACH;
|
|
|
if (sk->zapped) { /* Must bind first - autobinding in this may or may not work */
|
if (sk->zapped) { /* Must bind first - autobinding in this may or may not work */
|
sk->zapped = 0;
|
sk->zapped = 0;
|
|
|
if ((dev = rose_dev_first()) == NULL)
|
if ((dev = rose_dev_first()) == NULL)
|
return -ENETUNREACH;
|
return -ENETUNREACH;
|
|
|
if ((user = ax25_findbyuid(current->euid)) == NULL)
|
if ((user = ax25_findbyuid(current->euid)) == NULL)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
memcpy(&sk->protinfo.rose->source_addr, dev->dev_addr, ROSE_ADDR_LEN);
|
memcpy(&sk->protinfo.rose->source_addr, dev->dev_addr, ROSE_ADDR_LEN);
|
sk->protinfo.rose->source_call = *user;
|
sk->protinfo.rose->source_call = *user;
|
sk->protinfo.rose->device = dev;
|
sk->protinfo.rose->device = dev;
|
|
|
rose_insert_socket(sk); /* Finish the bind */
|
rose_insert_socket(sk); /* Finish the bind */
|
}
|
}
|
|
|
sk->protinfo.rose->dest_addr = addr->srose_addr;
|
sk->protinfo.rose->dest_addr = addr->srose_addr;
|
sk->protinfo.rose->dest_call = addr->srose_call;
|
sk->protinfo.rose->dest_call = addr->srose_call;
|
sk->protinfo.rose->rand = ((int)sk->protinfo.rose & 0xFFFF) + sk->protinfo.rose->lci;
|
sk->protinfo.rose->rand = ((int)sk->protinfo.rose & 0xFFFF) + sk->protinfo.rose->lci;
|
sk->protinfo.rose->dest_ndigis = addr->srose_ndigis;
|
sk->protinfo.rose->dest_ndigis = addr->srose_ndigis;
|
|
|
if (addr_len == sizeof(struct full_sockaddr_rose)) {
|
if (addr_len == sizeof(struct full_sockaddr_rose)) {
|
struct full_sockaddr_rose *full_addr = (struct full_sockaddr_rose *)uaddr;
|
struct full_sockaddr_rose *full_addr = (struct full_sockaddr_rose *)uaddr;
|
for (n = 0 ; n < addr->srose_ndigis ; n++)
|
for (n = 0 ; n < addr->srose_ndigis ; n++)
|
sk->protinfo.rose->dest_digis[n] = full_addr->srose_digis[n];
|
sk->protinfo.rose->dest_digis[n] = full_addr->srose_digis[n];
|
} else {
|
} else {
|
if (sk->protinfo.rose->dest_ndigis == 1) {
|
if (sk->protinfo.rose->dest_ndigis == 1) {
|
sk->protinfo.rose->dest_digis[0] = addr->srose_digi;
|
sk->protinfo.rose->dest_digis[0] = addr->srose_digi;
|
}
|
}
|
}
|
}
|
|
|
/* Move to connecting socket, start sending Connect Requests */
|
/* Move to connecting socket, start sending Connect Requests */
|
sock->state = SS_CONNECTING;
|
sock->state = SS_CONNECTING;
|
sk->state = TCP_SYN_SENT;
|
sk->state = TCP_SYN_SENT;
|
|
|
sk->protinfo.rose->state = ROSE_STATE_1;
|
sk->protinfo.rose->state = ROSE_STATE_1;
|
|
|
sk->protinfo.rose->neighbour->use++;
|
sk->protinfo.rose->neighbour->use++;
|
|
|
rose_write_internal(sk, ROSE_CALL_REQUEST);
|
rose_write_internal(sk, ROSE_CALL_REQUEST);
|
rose_start_heartbeat(sk);
|
rose_start_heartbeat(sk);
|
rose_start_t1timer(sk);
|
rose_start_t1timer(sk);
|
|
|
/* Now the loop */
|
/* Now the loop */
|
if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
|
if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
|
return -EINPROGRESS;
|
return -EINPROGRESS;
|
|
|
cli(); /* To avoid races on the sleep */
|
cli(); /* To avoid races on the sleep */
|
|
|
/*
|
/*
|
* A Connect Ack with Choke or timeout or failed routing will go to closed.
|
* A Connect Ack with Choke or timeout or failed routing will go to closed.
|
*/
|
*/
|
while (sk->state == TCP_SYN_SENT) {
|
while (sk->state == TCP_SYN_SENT) {
|
interruptible_sleep_on(sk->sleep);
|
interruptible_sleep_on(sk->sleep);
|
if (signal_pending(current)) {
|
if (signal_pending(current)) {
|
sti();
|
sti();
|
return -ERESTARTSYS;
|
return -ERESTARTSYS;
|
}
|
}
|
}
|
}
|
|
|
if (sk->state != TCP_ESTABLISHED) {
|
if (sk->state != TCP_ESTABLISHED) {
|
sti();
|
sti();
|
sock->state = SS_UNCONNECTED;
|
sock->state = SS_UNCONNECTED;
|
return sock_error(sk); /* Always set at this point */
|
return sock_error(sk); /* Always set at this point */
|
}
|
}
|
|
|
sock->state = SS_CONNECTED;
|
sock->state = SS_CONNECTED;
|
|
|
sti();
|
sti();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
|
static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
struct sock *newsk;
|
struct sock *newsk;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
|
|
if ((sk = sock->sk) == NULL)
|
if ((sk = sock->sk) == NULL)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (sk->type != SOCK_SEQPACKET)
|
if (sk->type != SOCK_SEQPACKET)
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
|
|
if (sk->state != TCP_LISTEN)
|
if (sk->state != TCP_LISTEN)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
/*
|
/*
|
* The write queue this time is holding sockets ready to use
|
* The write queue this time is holding sockets ready to use
|
* hooked into the SABM we saved
|
* hooked into the SABM we saved
|
*/
|
*/
|
do {
|
do {
|
cli();
|
cli();
|
if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
|
if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
|
if (flags & O_NONBLOCK) {
|
if (flags & O_NONBLOCK) {
|
sti();
|
sti();
|
return -EWOULDBLOCK;
|
return -EWOULDBLOCK;
|
}
|
}
|
interruptible_sleep_on(sk->sleep);
|
interruptible_sleep_on(sk->sleep);
|
if (signal_pending(current)) {
|
if (signal_pending(current)) {
|
sti();
|
sti();
|
return -ERESTARTSYS;
|
return -ERESTARTSYS;
|
}
|
}
|
}
|
}
|
} while (skb == NULL);
|
} while (skb == NULL);
|
|
|
newsk = skb->sk;
|
newsk = skb->sk;
|
newsk->pair = NULL;
|
newsk->pair = NULL;
|
newsk->socket = newsock;
|
newsk->socket = newsock;
|
newsk->sleep = &newsock->wait;
|
newsk->sleep = &newsock->wait;
|
sti();
|
sti();
|
|
|
/* Now attach up the new socket */
|
/* Now attach up the new socket */
|
skb->sk = NULL;
|
skb->sk = NULL;
|
kfree_skb(skb);
|
kfree_skb(skb);
|
sk->ack_backlog--;
|
sk->ack_backlog--;
|
newsock->sk = newsk;
|
newsock->sk = newsk;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
|
static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
|
int *uaddr_len, int peer)
|
int *uaddr_len, int peer)
|
{
|
{
|
struct full_sockaddr_rose *srose = (struct full_sockaddr_rose *)uaddr;
|
struct full_sockaddr_rose *srose = (struct full_sockaddr_rose *)uaddr;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
int n;
|
int n;
|
|
|
if (peer != 0) {
|
if (peer != 0) {
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
srose->srose_family = AF_ROSE;
|
srose->srose_family = AF_ROSE;
|
srose->srose_addr = sk->protinfo.rose->dest_addr;
|
srose->srose_addr = sk->protinfo.rose->dest_addr;
|
srose->srose_call = sk->protinfo.rose->dest_call;
|
srose->srose_call = sk->protinfo.rose->dest_call;
|
srose->srose_ndigis = sk->protinfo.rose->dest_ndigis;
|
srose->srose_ndigis = sk->protinfo.rose->dest_ndigis;
|
for (n = 0 ; n < sk->protinfo.rose->dest_ndigis ; n++)
|
for (n = 0 ; n < sk->protinfo.rose->dest_ndigis ; n++)
|
srose->srose_digis[n] = sk->protinfo.rose->dest_digis[n];
|
srose->srose_digis[n] = sk->protinfo.rose->dest_digis[n];
|
} else {
|
} else {
|
srose->srose_family = AF_ROSE;
|
srose->srose_family = AF_ROSE;
|
srose->srose_addr = sk->protinfo.rose->source_addr;
|
srose->srose_addr = sk->protinfo.rose->source_addr;
|
srose->srose_call = sk->protinfo.rose->source_call;
|
srose->srose_call = sk->protinfo.rose->source_call;
|
srose->srose_ndigis = sk->protinfo.rose->source_ndigis;
|
srose->srose_ndigis = sk->protinfo.rose->source_ndigis;
|
for (n = 0 ; n < sk->protinfo.rose->source_ndigis ; n++)
|
for (n = 0 ; n < sk->protinfo.rose->source_ndigis ; n++)
|
srose->srose_digis[n] = sk->protinfo.rose->source_digis[n];
|
srose->srose_digis[n] = sk->protinfo.rose->source_digis[n];
|
}
|
}
|
|
|
*uaddr_len = sizeof(struct full_sockaddr_rose);
|
*uaddr_len = sizeof(struct full_sockaddr_rose);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct rose_neigh *neigh, unsigned int lci)
|
int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct rose_neigh *neigh, unsigned int lci)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
struct sock *make;
|
struct sock *make;
|
struct rose_facilities_struct facilities;
|
struct rose_facilities_struct facilities;
|
int n, len;
|
int n, len;
|
|
|
skb->sk = NULL; /* Initially we don't know who it's for */
|
skb->sk = NULL; /* Initially we don't know who it's for */
|
|
|
/*
|
/*
|
* skb->data points to the rose frame start
|
* skb->data points to the rose frame start
|
*/
|
*/
|
memset(&facilities, 0x00, sizeof(struct rose_facilities_struct));
|
memset(&facilities, 0x00, sizeof(struct rose_facilities_struct));
|
|
|
len = (((skb->data[3] >> 4) & 0x0F) + 1) / 2;
|
len = (((skb->data[3] >> 4) & 0x0F) + 1) / 2;
|
len += (((skb->data[3] >> 0) & 0x0F) + 1) / 2;
|
len += (((skb->data[3] >> 0) & 0x0F) + 1) / 2;
|
if (!rose_parse_facilities(skb->data + len + 4, &facilities)) {
|
if (!rose_parse_facilities(skb->data + len + 4, &facilities)) {
|
rose_transmit_clear_request(neigh, lci, ROSE_INVALID_FACILITY, 76);
|
rose_transmit_clear_request(neigh, lci, ROSE_INVALID_FACILITY, 76);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
sk = rose_find_listener(&facilities.source_addr, &facilities.source_call);
|
sk = rose_find_listener(&facilities.source_addr, &facilities.source_call);
|
|
|
/*
|
/*
|
* We can't accept the Call Request.
|
* We can't accept the Call Request.
|
*/
|
*/
|
if (sk == NULL || sk->ack_backlog == sk->max_ack_backlog || (make = rose_make_new(sk)) == NULL) {
|
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);
|
rose_transmit_clear_request(neigh, lci, ROSE_NETWORK_CONGESTION, 120);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
skb->sk = make;
|
skb->sk = make;
|
make->state = TCP_ESTABLISHED;
|
make->state = TCP_ESTABLISHED;
|
|
|
make->protinfo.rose->lci = lci;
|
make->protinfo.rose->lci = lci;
|
make->protinfo.rose->dest_addr = facilities.dest_addr;
|
make->protinfo.rose->dest_addr = facilities.dest_addr;
|
make->protinfo.rose->dest_call = facilities.dest_call;
|
make->protinfo.rose->dest_call = facilities.dest_call;
|
make->protinfo.rose->dest_ndigis = facilities.dest_ndigis;
|
make->protinfo.rose->dest_ndigis = facilities.dest_ndigis;
|
for (n = 0 ; n < facilities.dest_ndigis ; n++)
|
for (n = 0 ; n < facilities.dest_ndigis ; n++)
|
make->protinfo.rose->dest_digis[n] = facilities.dest_digis[n];
|
make->protinfo.rose->dest_digis[n] = facilities.dest_digis[n];
|
make->protinfo.rose->source_addr = facilities.source_addr;
|
make->protinfo.rose->source_addr = facilities.source_addr;
|
make->protinfo.rose->source_call = facilities.source_call;
|
make->protinfo.rose->source_call = facilities.source_call;
|
make->protinfo.rose->source_ndigis = facilities.source_ndigis;
|
make->protinfo.rose->source_ndigis = facilities.source_ndigis;
|
for (n = 0 ; n < facilities.source_ndigis ; n++)
|
for (n = 0 ; n < facilities.source_ndigis ; n++)
|
make->protinfo.rose->source_digis[n]= facilities.source_digis[n];
|
make->protinfo.rose->source_digis[n]= facilities.source_digis[n];
|
make->protinfo.rose->neighbour = neigh;
|
make->protinfo.rose->neighbour = neigh;
|
make->protinfo.rose->device = dev;
|
make->protinfo.rose->device = dev;
|
make->protinfo.rose->facilities = facilities;
|
make->protinfo.rose->facilities = facilities;
|
|
|
make->protinfo.rose->neighbour->use++;
|
make->protinfo.rose->neighbour->use++;
|
|
|
if (sk->protinfo.rose->defer) {
|
if (sk->protinfo.rose->defer) {
|
make->protinfo.rose->state = ROSE_STATE_5;
|
make->protinfo.rose->state = ROSE_STATE_5;
|
} else {
|
} else {
|
rose_write_internal(make, ROSE_CALL_ACCEPTED);
|
rose_write_internal(make, ROSE_CALL_ACCEPTED);
|
make->protinfo.rose->state = ROSE_STATE_3;
|
make->protinfo.rose->state = ROSE_STATE_3;
|
rose_start_idletimer(make);
|
rose_start_idletimer(make);
|
}
|
}
|
|
|
make->protinfo.rose->condition = 0x00;
|
make->protinfo.rose->condition = 0x00;
|
make->protinfo.rose->vs = 0;
|
make->protinfo.rose->vs = 0;
|
make->protinfo.rose->va = 0;
|
make->protinfo.rose->va = 0;
|
make->protinfo.rose->vr = 0;
|
make->protinfo.rose->vr = 0;
|
make->protinfo.rose->vl = 0;
|
make->protinfo.rose->vl = 0;
|
sk->ack_backlog++;
|
sk->ack_backlog++;
|
make->pair = sk;
|
make->pair = sk;
|
|
|
rose_insert_socket(make);
|
rose_insert_socket(make);
|
|
|
skb_queue_head(&sk->receive_queue, skb);
|
skb_queue_head(&sk->receive_queue, skb);
|
|
|
rose_start_heartbeat(make);
|
rose_start_heartbeat(make);
|
|
|
if (!sk->dead)
|
if (!sk->dead)
|
sk->data_ready(sk, skb->len);
|
sk->data_ready(sk, skb->len);
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len,
|
static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len,
|
struct scm_cookie *scm)
|
struct scm_cookie *scm)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sockaddr_rose *usrose = (struct sockaddr_rose *)msg->msg_name;
|
struct sockaddr_rose *usrose = (struct sockaddr_rose *)msg->msg_name;
|
int err;
|
int err;
|
struct full_sockaddr_rose srose;
|
struct full_sockaddr_rose srose;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
unsigned char *asmptr;
|
unsigned char *asmptr;
|
int n, size, qbit = 0;
|
int n, size, qbit = 0;
|
|
|
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR))
|
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (sk->zapped)
|
if (sk->zapped)
|
return -EADDRNOTAVAIL;
|
return -EADDRNOTAVAIL;
|
|
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
send_sig(SIGPIPE, current, 0);
|
send_sig(SIGPIPE, current, 0);
|
return -EPIPE;
|
return -EPIPE;
|
}
|
}
|
|
|
if (sk->protinfo.rose->neighbour == NULL || sk->protinfo.rose->device == NULL)
|
if (sk->protinfo.rose->neighbour == NULL || sk->protinfo.rose->device == NULL)
|
return -ENETUNREACH;
|
return -ENETUNREACH;
|
|
|
if (usrose != NULL) {
|
if (usrose != NULL) {
|
if (msg->msg_namelen != sizeof(struct sockaddr_rose) && msg->msg_namelen != sizeof(struct full_sockaddr_rose))
|
if (msg->msg_namelen != sizeof(struct sockaddr_rose) && msg->msg_namelen != sizeof(struct full_sockaddr_rose))
|
return -EINVAL;
|
return -EINVAL;
|
memset(&srose, 0, sizeof(struct full_sockaddr_rose));
|
memset(&srose, 0, sizeof(struct full_sockaddr_rose));
|
memcpy(&srose, usrose, msg->msg_namelen);
|
memcpy(&srose, usrose, msg->msg_namelen);
|
if (rosecmp(&sk->protinfo.rose->dest_addr, &srose.srose_addr) != 0 ||
|
if (rosecmp(&sk->protinfo.rose->dest_addr, &srose.srose_addr) != 0 ||
|
ax25cmp(&sk->protinfo.rose->dest_call, &srose.srose_call) != 0)
|
ax25cmp(&sk->protinfo.rose->dest_call, &srose.srose_call) != 0)
|
return -EISCONN;
|
return -EISCONN;
|
if (srose.srose_ndigis != sk->protinfo.rose->dest_ndigis)
|
if (srose.srose_ndigis != sk->protinfo.rose->dest_ndigis)
|
return -EISCONN;
|
return -EISCONN;
|
if (srose.srose_ndigis == sk->protinfo.rose->dest_ndigis) {
|
if (srose.srose_ndigis == sk->protinfo.rose->dest_ndigis) {
|
for (n = 0 ; n < srose.srose_ndigis ; n++)
|
for (n = 0 ; n < srose.srose_ndigis ; n++)
|
if (ax25cmp(&sk->protinfo.rose->dest_digis[n], &srose.srose_digis[n]) != 0)
|
if (ax25cmp(&sk->protinfo.rose->dest_digis[n], &srose.srose_digis[n]) != 0)
|
return -EISCONN;
|
return -EISCONN;
|
}
|
}
|
if (srose.srose_family != AF_ROSE)
|
if (srose.srose_family != AF_ROSE)
|
return -EINVAL;
|
return -EINVAL;
|
} else {
|
} else {
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
|
|
srose.srose_family = AF_ROSE;
|
srose.srose_family = AF_ROSE;
|
srose.srose_addr = sk->protinfo.rose->dest_addr;
|
srose.srose_addr = sk->protinfo.rose->dest_addr;
|
srose.srose_call = sk->protinfo.rose->dest_call;
|
srose.srose_call = sk->protinfo.rose->dest_call;
|
srose.srose_ndigis = sk->protinfo.rose->dest_ndigis;
|
srose.srose_ndigis = sk->protinfo.rose->dest_ndigis;
|
for (n = 0 ; n < sk->protinfo.rose->dest_ndigis ; n++)
|
for (n = 0 ; n < sk->protinfo.rose->dest_ndigis ; n++)
|
srose.srose_digis[n] = sk->protinfo.rose->dest_digis[n];
|
srose.srose_digis[n] = sk->protinfo.rose->dest_digis[n];
|
}
|
}
|
|
|
SOCK_DEBUG(sk, "ROSE: sendto: Addresses built.\n");
|
SOCK_DEBUG(sk, "ROSE: sendto: Addresses built.\n");
|
|
|
/* Build a packet */
|
/* Build a packet */
|
SOCK_DEBUG(sk, "ROSE: sendto: building packet.\n");
|
SOCK_DEBUG(sk, "ROSE: sendto: building packet.\n");
|
size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
|
size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
|
|
|
if ((skb = sock_alloc_send_skb(sk, size, msg->msg_flags & MSG_DONTWAIT, &err)) == NULL)
|
if ((skb = sock_alloc_send_skb(sk, size, msg->msg_flags & MSG_DONTWAIT, &err)) == NULL)
|
return err;
|
return err;
|
|
|
skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN);
|
skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN);
|
|
|
/*
|
/*
|
* Put the data on the end
|
* Put the data on the end
|
*/
|
*/
|
SOCK_DEBUG(sk, "ROSE: Appending user data\n");
|
SOCK_DEBUG(sk, "ROSE: Appending user data\n");
|
|
|
asmptr = skb->h.raw = skb_put(skb, len);
|
asmptr = skb->h.raw = skb_put(skb, len);
|
|
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
|
|
/*
|
/*
|
* If the Q BIT Include socket option is in force, the first
|
* 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.
|
* byte of the user data is the logical value of the Q Bit.
|
*/
|
*/
|
if (sk->protinfo.rose->qbitincl) {
|
if (sk->protinfo.rose->qbitincl) {
|
qbit = skb->data[0];
|
qbit = skb->data[0];
|
skb_pull(skb, 1);
|
skb_pull(skb, 1);
|
}
|
}
|
|
|
/*
|
/*
|
* Push down the ROSE header
|
* Push down the ROSE header
|
*/
|
*/
|
asmptr = skb_push(skb, ROSE_MIN_LEN);
|
asmptr = skb_push(skb, ROSE_MIN_LEN);
|
|
|
SOCK_DEBUG(sk, "ROSE: Building Network Header.\n");
|
SOCK_DEBUG(sk, "ROSE: Building Network Header.\n");
|
|
|
/* Build a ROSE Network header */
|
/* Build a ROSE Network header */
|
asmptr[0] = ((sk->protinfo.rose->lci >> 8) & 0x0F) | ROSE_GFI;
|
asmptr[0] = ((sk->protinfo.rose->lci >> 8) & 0x0F) | ROSE_GFI;
|
asmptr[1] = (sk->protinfo.rose->lci >> 0) & 0xFF;
|
asmptr[1] = (sk->protinfo.rose->lci >> 0) & 0xFF;
|
asmptr[2] = ROSE_DATA;
|
asmptr[2] = ROSE_DATA;
|
|
|
if (qbit)
|
if (qbit)
|
asmptr[0] |= ROSE_Q_BIT;
|
asmptr[0] |= ROSE_Q_BIT;
|
|
|
SOCK_DEBUG(sk, "ROSE: Built header.\n");
|
SOCK_DEBUG(sk, "ROSE: Built header.\n");
|
|
|
SOCK_DEBUG(sk, "ROSE: Transmitting buffer\n");
|
SOCK_DEBUG(sk, "ROSE: Transmitting buffer\n");
|
|
|
if (sk->state != TCP_ESTABLISHED) {
|
if (sk->state != TCP_ESTABLISHED) {
|
kfree_skb(skb);
|
kfree_skb(skb);
|
return -ENOTCONN;
|
return -ENOTCONN;
|
}
|
}
|
|
|
#ifdef M_BIT
|
#ifdef M_BIT
|
#define ROSE_PACLEN (256-ROSE_MIN_LEN)
|
#define ROSE_PACLEN (256-ROSE_MIN_LEN)
|
if (skb->len - ROSE_MIN_LEN > ROSE_PACLEN) {
|
if (skb->len - ROSE_MIN_LEN > ROSE_PACLEN) {
|
unsigned char header[ROSE_MIN_LEN];
|
unsigned char header[ROSE_MIN_LEN];
|
struct sk_buff *skbn;
|
struct sk_buff *skbn;
|
int frontlen;
|
int frontlen;
|
int lg;
|
int lg;
|
|
|
/* Save a copy of the Header */
|
/* Save a copy of the Header */
|
memcpy(header, skb->data, ROSE_MIN_LEN);
|
memcpy(header, skb->data, ROSE_MIN_LEN);
|
skb_pull(skb, ROSE_MIN_LEN);
|
skb_pull(skb, ROSE_MIN_LEN);
|
|
|
frontlen = skb_headroom(skb);
|
frontlen = skb_headroom(skb);
|
|
|
while (skb->len > 0) {
|
while (skb->len > 0) {
|
if ((skbn = sock_alloc_send_skb(sk, frontlen + ROSE_PACLEN, 0, &err)) == NULL)
|
if ((skbn = sock_alloc_send_skb(sk, frontlen + ROSE_PACLEN, 0, &err)) == NULL)
|
return err;
|
return err;
|
|
|
skbn->sk = sk;
|
skbn->sk = sk;
|
skbn->free = 1;
|
skbn->free = 1;
|
skbn->arp = 1;
|
skbn->arp = 1;
|
|
|
skb_reserve(skbn, frontlen);
|
skb_reserve(skbn, frontlen);
|
|
|
lg = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
|
lg = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
|
|
|
/* Copy the user data */
|
/* Copy the user data */
|
memcpy(skb_put(skbn, lg), skb->data, lg);
|
memcpy(skb_put(skbn, lg), skb->data, lg);
|
skb_pull(skb, lg);
|
skb_pull(skb, lg);
|
|
|
/* Duplicate the Header */
|
/* Duplicate the Header */
|
skb_push(skbn, ROSE_MIN_LEN);
|
skb_push(skbn, ROSE_MIN_LEN);
|
memcpy(skbn->data, header, ROSE_MIN_LEN);
|
memcpy(skbn->data, header, ROSE_MIN_LEN);
|
|
|
if (skb->len > 0)
|
if (skb->len > 0)
|
skbn->data[2] |= M_BIT;
|
skbn->data[2] |= M_BIT;
|
|
|
skb_queue_tail(&sk->write_queue, skbn); /* Throw it on the queue */
|
skb_queue_tail(&sk->write_queue, skbn); /* Throw it on the queue */
|
}
|
}
|
|
|
skb->free = 1;
|
skb->free = 1;
|
kfree_skb(skb, FREE_WRITE);
|
kfree_skb(skb, FREE_WRITE);
|
} else {
|
} else {
|
skb_queue_tail(&sk->write_queue, skb); /* Throw it on the queue */
|
skb_queue_tail(&sk->write_queue, skb); /* Throw it on the queue */
|
}
|
}
|
#else
|
#else
|
skb_queue_tail(&sk->write_queue, skb); /* Shove it onto the queue */
|
skb_queue_tail(&sk->write_queue, skb); /* Shove it onto the queue */
|
#endif
|
#endif
|
|
|
rose_kick(sk);
|
rose_kick(sk);
|
|
|
return len;
|
return len;
|
}
|
}
|
|
|
|
|
static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size,
|
static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size,
|
int flags, struct scm_cookie *scm)
|
int flags, struct scm_cookie *scm)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
|
struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
|
int copied, qbit;
|
int copied, qbit;
|
unsigned char *asmptr;
|
unsigned char *asmptr;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
int n, er;
|
int n, er;
|
|
|
/*
|
/*
|
* This works for seqpacket too. The receiver has ordered the queue for
|
* This works for seqpacket too. The receiver has ordered the queue for
|
* us! We do one quick check first though
|
* us! We do one quick check first though
|
*/
|
*/
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
|
|
/* Now we can treat all alike */
|
/* Now we can treat all alike */
|
if ((skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &er)) == NULL)
|
if ((skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &er)) == NULL)
|
return er;
|
return er;
|
|
|
qbit = (skb->data[0] & ROSE_Q_BIT) == ROSE_Q_BIT;
|
qbit = (skb->data[0] & ROSE_Q_BIT) == ROSE_Q_BIT;
|
|
|
skb_pull(skb, ROSE_MIN_LEN);
|
skb_pull(skb, ROSE_MIN_LEN);
|
|
|
if (sk->protinfo.rose->qbitincl) {
|
if (sk->protinfo.rose->qbitincl) {
|
asmptr = skb_push(skb, 1);
|
asmptr = skb_push(skb, 1);
|
*asmptr = qbit;
|
*asmptr = qbit;
|
}
|
}
|
|
|
skb->h.raw = skb->data;
|
skb->h.raw = skb->data;
|
copied = skb->len;
|
copied = skb->len;
|
|
|
if (copied > size) {
|
if (copied > size) {
|
copied = size;
|
copied = size;
|
msg->msg_flags |= MSG_TRUNC;
|
msg->msg_flags |= MSG_TRUNC;
|
}
|
}
|
|
|
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
|
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
|
|
|
if (srose != NULL) {
|
if (srose != NULL) {
|
srose->srose_family = AF_ROSE;
|
srose->srose_family = AF_ROSE;
|
srose->srose_addr = sk->protinfo.rose->dest_addr;
|
srose->srose_addr = sk->protinfo.rose->dest_addr;
|
srose->srose_call = sk->protinfo.rose->dest_call;
|
srose->srose_call = sk->protinfo.rose->dest_call;
|
srose->srose_ndigis = sk->protinfo.rose->dest_ndigis;
|
srose->srose_ndigis = sk->protinfo.rose->dest_ndigis;
|
if (msg->msg_namelen >= sizeof(struct full_sockaddr_rose)) {
|
if (msg->msg_namelen >= sizeof(struct full_sockaddr_rose)) {
|
struct full_sockaddr_rose *full_srose = (struct full_sockaddr_rose *)msg->msg_name;
|
struct full_sockaddr_rose *full_srose = (struct full_sockaddr_rose *)msg->msg_name;
|
for (n = 0 ; n < sk->protinfo.rose->dest_ndigis ; n++)
|
for (n = 0 ; n < sk->protinfo.rose->dest_ndigis ; n++)
|
full_srose->srose_digis[n] = sk->protinfo.rose->dest_digis[n];
|
full_srose->srose_digis[n] = sk->protinfo.rose->dest_digis[n];
|
msg->msg_namelen = sizeof(struct full_sockaddr_rose);
|
msg->msg_namelen = sizeof(struct full_sockaddr_rose);
|
} else {
|
} else {
|
if (sk->protinfo.rose->dest_ndigis >= 1) {
|
if (sk->protinfo.rose->dest_ndigis >= 1) {
|
srose->srose_ndigis = 1;
|
srose->srose_ndigis = 1;
|
srose->srose_digi = sk->protinfo.rose->dest_digis[0];
|
srose->srose_digi = sk->protinfo.rose->dest_digis[0];
|
}
|
}
|
msg->msg_namelen = sizeof(struct sockaddr_rose);
|
msg->msg_namelen = sizeof(struct sockaddr_rose);
|
}
|
}
|
}
|
}
|
|
|
skb_free_datagram(sk, skb);
|
skb_free_datagram(sk, skb);
|
|
|
return copied;
|
return copied;
|
}
|
}
|
|
|
|
|
static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
switch (cmd) {
|
switch (cmd) {
|
case TIOCOUTQ: {
|
case TIOCOUTQ: {
|
long amount;
|
long amount;
|
amount = sk->sndbuf - atomic_read(&sk->wmem_alloc);
|
amount = sk->sndbuf - atomic_read(&sk->wmem_alloc);
|
if (amount < 0)
|
if (amount < 0)
|
amount = 0;
|
amount = 0;
|
return put_user(amount, (unsigned int *)arg);
|
return put_user(amount, (unsigned int *)arg);
|
}
|
}
|
|
|
case TIOCINQ: {
|
case TIOCINQ: {
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
long amount = 0L;
|
long amount = 0L;
|
/* These two are safe on a single CPU system as only user tasks fiddle here */
|
/* These two are safe on a single CPU system as only user tasks fiddle here */
|
if ((skb = skb_peek(&sk->receive_queue)) != NULL)
|
if ((skb = skb_peek(&sk->receive_queue)) != NULL)
|
amount = skb->len;
|
amount = skb->len;
|
return put_user(amount, (unsigned int *)arg);
|
return put_user(amount, (unsigned int *)arg);
|
}
|
}
|
|
|
case SIOCGSTAMP:
|
case SIOCGSTAMP:
|
if (sk != NULL) {
|
if (sk != NULL) {
|
if (sk->stamp.tv_sec == 0)
|
if (sk->stamp.tv_sec == 0)
|
return -ENOENT;
|
return -ENOENT;
|
return copy_to_user((void *)arg, &sk->stamp, sizeof(struct timeval)) ? -EFAULT : 0;
|
return copy_to_user((void *)arg, &sk->stamp, sizeof(struct timeval)) ? -EFAULT : 0;
|
}
|
}
|
return -EINVAL;
|
return -EINVAL;
|
|
|
case SIOCGIFADDR:
|
case SIOCGIFADDR:
|
case SIOCSIFADDR:
|
case SIOCSIFADDR:
|
case SIOCGIFDSTADDR:
|
case SIOCGIFDSTADDR:
|
case SIOCSIFDSTADDR:
|
case SIOCSIFDSTADDR:
|
case SIOCGIFBRDADDR:
|
case SIOCGIFBRDADDR:
|
case SIOCSIFBRDADDR:
|
case SIOCSIFBRDADDR:
|
case SIOCGIFNETMASK:
|
case SIOCGIFNETMASK:
|
case SIOCSIFNETMASK:
|
case SIOCSIFNETMASK:
|
case SIOCGIFMETRIC:
|
case SIOCGIFMETRIC:
|
case SIOCSIFMETRIC:
|
case SIOCSIFMETRIC:
|
return -EINVAL;
|
return -EINVAL;
|
|
|
case SIOCADDRT:
|
case SIOCADDRT:
|
case SIOCDELRT:
|
case SIOCDELRT:
|
case SIOCRSCLRRT:
|
case SIOCRSCLRRT:
|
if (!capable(CAP_NET_ADMIN)) return -EPERM;
|
if (!capable(CAP_NET_ADMIN)) return -EPERM;
|
return rose_rt_ioctl(cmd, (void *)arg);
|
return rose_rt_ioctl(cmd, (void *)arg);
|
|
|
case SIOCRSGCAUSE: {
|
case SIOCRSGCAUSE: {
|
struct rose_cause_struct rose_cause;
|
struct rose_cause_struct rose_cause;
|
rose_cause.cause = sk->protinfo.rose->cause;
|
rose_cause.cause = sk->protinfo.rose->cause;
|
rose_cause.diagnostic = sk->protinfo.rose->diagnostic;
|
rose_cause.diagnostic = sk->protinfo.rose->diagnostic;
|
return copy_to_user((void *)arg, &rose_cause, sizeof(struct rose_cause_struct)) ? -EFAULT : 0;
|
return copy_to_user((void *)arg, &rose_cause, sizeof(struct rose_cause_struct)) ? -EFAULT : 0;
|
}
|
}
|
|
|
case SIOCRSSCAUSE: {
|
case SIOCRSSCAUSE: {
|
struct rose_cause_struct rose_cause;
|
struct rose_cause_struct rose_cause;
|
if (copy_from_user(&rose_cause, (void *)arg, sizeof(struct rose_cause_struct)))
|
if (copy_from_user(&rose_cause, (void *)arg, sizeof(struct rose_cause_struct)))
|
return -EFAULT;
|
return -EFAULT;
|
sk->protinfo.rose->cause = rose_cause.cause;
|
sk->protinfo.rose->cause = rose_cause.cause;
|
sk->protinfo.rose->diagnostic = rose_cause.diagnostic;
|
sk->protinfo.rose->diagnostic = rose_cause.diagnostic;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
case SIOCRSSL2CALL:
|
case SIOCRSSL2CALL:
|
if (!capable(CAP_NET_ADMIN)) return -EPERM;
|
if (!capable(CAP_NET_ADMIN)) return -EPERM;
|
if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
|
if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
|
ax25_listen_release(&rose_callsign, NULL);
|
ax25_listen_release(&rose_callsign, NULL);
|
if (copy_from_user(&rose_callsign, (void *)arg, sizeof(ax25_address)))
|
if (copy_from_user(&rose_callsign, (void *)arg, sizeof(ax25_address)))
|
return -EFAULT;
|
return -EFAULT;
|
if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
|
if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
|
ax25_listen_register(&rose_callsign, NULL);
|
ax25_listen_register(&rose_callsign, NULL);
|
return 0;
|
return 0;
|
|
|
case SIOCRSGL2CALL:
|
case SIOCRSGL2CALL:
|
return copy_to_user((void *)arg, &rose_callsign, sizeof(ax25_address)) ? -EFAULT : 0;
|
return copy_to_user((void *)arg, &rose_callsign, sizeof(ax25_address)) ? -EFAULT : 0;
|
|
|
case SIOCRSACCEPT:
|
case SIOCRSACCEPT:
|
if (sk->protinfo.rose->state == ROSE_STATE_5) {
|
if (sk->protinfo.rose->state == ROSE_STATE_5) {
|
rose_write_internal(sk, ROSE_CALL_ACCEPTED);
|
rose_write_internal(sk, ROSE_CALL_ACCEPTED);
|
rose_start_idletimer(sk);
|
rose_start_idletimer(sk);
|
sk->protinfo.rose->condition = 0x00;
|
sk->protinfo.rose->condition = 0x00;
|
sk->protinfo.rose->vs = 0;
|
sk->protinfo.rose->vs = 0;
|
sk->protinfo.rose->va = 0;
|
sk->protinfo.rose->va = 0;
|
sk->protinfo.rose->vr = 0;
|
sk->protinfo.rose->vr = 0;
|
sk->protinfo.rose->vl = 0;
|
sk->protinfo.rose->vl = 0;
|
sk->protinfo.rose->state = ROSE_STATE_3;
|
sk->protinfo.rose->state = ROSE_STATE_3;
|
}
|
}
|
return 0;
|
return 0;
|
|
|
default:
|
default:
|
return dev_ioctl(cmd, (void *)arg);
|
return dev_ioctl(cmd, (void *)arg);
|
}
|
}
|
|
|
/*NOTREACHED*/
|
/*NOTREACHED*/
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int rose_get_info(char *buffer, char **start, off_t offset, int length)
|
static int rose_get_info(char *buffer, char **start, off_t offset, int length)
|
{
|
{
|
struct sock *s;
|
struct sock *s;
|
struct net_device *dev;
|
struct net_device *dev;
|
const char *devname, *callsign;
|
const char *devname, *callsign;
|
int len = 0;
|
int len = 0;
|
off_t pos = 0;
|
off_t pos = 0;
|
off_t begin = 0;
|
off_t begin = 0;
|
|
|
cli();
|
cli();
|
|
|
len += sprintf(buffer, "dest_addr dest_call src_addr src_call dev lci neigh st vs vr va t t1 t2 t3 hb idle Snd-Q Rcv-Q inode\n");
|
len += sprintf(buffer, "dest_addr dest_call src_addr src_call dev lci neigh 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) {
|
for (s = rose_list; s != NULL; s = s->next) {
|
if ((dev = s->protinfo.rose->device) == NULL)
|
if ((dev = s->protinfo.rose->device) == NULL)
|
devname = "???";
|
devname = "???";
|
else
|
else
|
devname = dev->name;
|
devname = dev->name;
|
|
|
len += sprintf(buffer + len, "%-10s %-9s ",
|
len += sprintf(buffer + len, "%-10s %-9s ",
|
rose2asc(&s->protinfo.rose->dest_addr),
|
rose2asc(&s->protinfo.rose->dest_addr),
|
ax2asc(&s->protinfo.rose->dest_call));
|
ax2asc(&s->protinfo.rose->dest_call));
|
|
|
if (ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0)
|
if (ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0)
|
callsign = "??????-?";
|
callsign = "??????-?";
|
else
|
else
|
callsign = ax2asc(&s->protinfo.rose->source_call);
|
callsign = ax2asc(&s->protinfo.rose->source_call);
|
|
|
len += sprintf(buffer + len, "%-10s %-9s %-5s %3.3X %05d %d %d %d %d %3lu %3lu %3lu %3lu %3lu %3lu/%03lu %5d %5d %ld\n",
|
len += sprintf(buffer + len, "%-10s %-9s %-5s %3.3X %05d %d %d %d %d %3lu %3lu %3lu %3lu %3lu %3lu/%03lu %5d %5d %ld\n",
|
rose2asc(&s->protinfo.rose->source_addr),
|
rose2asc(&s->protinfo.rose->source_addr),
|
callsign,
|
callsign,
|
devname,
|
devname,
|
s->protinfo.rose->lci & 0x0FFF,
|
s->protinfo.rose->lci & 0x0FFF,
|
(s->protinfo.rose->neighbour) ? s->protinfo.rose->neighbour->number : 0,
|
(s->protinfo.rose->neighbour) ? s->protinfo.rose->neighbour->number : 0,
|
s->protinfo.rose->state,
|
s->protinfo.rose->state,
|
s->protinfo.rose->vs,
|
s->protinfo.rose->vs,
|
s->protinfo.rose->vr,
|
s->protinfo.rose->vr,
|
s->protinfo.rose->va,
|
s->protinfo.rose->va,
|
ax25_display_timer(&s->protinfo.rose->timer) / HZ,
|
ax25_display_timer(&s->protinfo.rose->timer) / HZ,
|
s->protinfo.rose->t1 / HZ,
|
s->protinfo.rose->t1 / HZ,
|
s->protinfo.rose->t2 / HZ,
|
s->protinfo.rose->t2 / HZ,
|
s->protinfo.rose->t3 / HZ,
|
s->protinfo.rose->t3 / HZ,
|
s->protinfo.rose->hb / HZ,
|
s->protinfo.rose->hb / HZ,
|
ax25_display_timer(&s->protinfo.rose->idletimer) / (60 * HZ),
|
ax25_display_timer(&s->protinfo.rose->idletimer) / (60 * HZ),
|
s->protinfo.rose->idle / (60 * HZ),
|
s->protinfo.rose->idle / (60 * HZ),
|
atomic_read(&s->wmem_alloc),
|
atomic_read(&s->wmem_alloc),
|
atomic_read(&s->rmem_alloc),
|
atomic_read(&s->rmem_alloc),
|
s->socket != NULL ? s->socket->inode->i_ino : 0L);
|
s->socket != NULL ? s->socket->inode->i_ino : 0L);
|
|
|
pos = begin + len;
|
pos = begin + len;
|
|
|
if (pos < offset) {
|
if (pos < offset) {
|
len = 0;
|
len = 0;
|
begin = pos;
|
begin = pos;
|
}
|
}
|
|
|
if (pos > offset + length)
|
if (pos > offset + length)
|
break;
|
break;
|
}
|
}
|
|
|
sti();
|
sti();
|
|
|
*start = buffer + (offset - begin);
|
*start = buffer + (offset - begin);
|
len -= (offset - begin);
|
len -= (offset - begin);
|
|
|
if (len > length) len = length;
|
if (len > length) len = length;
|
|
|
return(len);
|
return(len);
|
}
|
}
|
|
|
static struct net_proto_family rose_family_ops = {
|
static struct net_proto_family rose_family_ops = {
|
family: PF_ROSE,
|
family: PF_ROSE,
|
create: rose_create,
|
create: rose_create,
|
};
|
};
|
|
|
static struct proto_ops SOCKOPS_WRAPPED(rose_proto_ops) = {
|
static struct proto_ops SOCKOPS_WRAPPED(rose_proto_ops) = {
|
family: PF_ROSE,
|
family: PF_ROSE,
|
|
|
release: rose_release,
|
release: rose_release,
|
bind: rose_bind,
|
bind: rose_bind,
|
connect: rose_connect,
|
connect: rose_connect,
|
socketpair: sock_no_socketpair,
|
socketpair: sock_no_socketpair,
|
accept: rose_accept,
|
accept: rose_accept,
|
getname: rose_getname,
|
getname: rose_getname,
|
poll: datagram_poll,
|
poll: datagram_poll,
|
ioctl: rose_ioctl,
|
ioctl: rose_ioctl,
|
listen: rose_listen,
|
listen: rose_listen,
|
shutdown: sock_no_shutdown,
|
shutdown: sock_no_shutdown,
|
setsockopt: rose_setsockopt,
|
setsockopt: rose_setsockopt,
|
getsockopt: rose_getsockopt,
|
getsockopt: rose_getsockopt,
|
sendmsg: rose_sendmsg,
|
sendmsg: rose_sendmsg,
|
recvmsg: rose_recvmsg,
|
recvmsg: rose_recvmsg,
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: sock_no_sendpage,
|
sendpage: sock_no_sendpage,
|
};
|
};
|
|
|
#include <linux/smp_lock.h>
|
#include <linux/smp_lock.h>
|
SOCKOPS_WRAP(rose_proto, PF_ROSE);
|
SOCKOPS_WRAP(rose_proto, PF_ROSE);
|
|
|
static struct notifier_block rose_dev_notifier = {
|
static struct notifier_block rose_dev_notifier = {
|
notifier_call: rose_device_event,
|
notifier_call: rose_device_event,
|
};
|
};
|
|
|
static struct net_device *dev_rose;
|
static struct net_device *dev_rose;
|
|
|
static const char banner[] = KERN_INFO "F6FBB/G4KLX ROSE for Linux. Version 0.64 for AX25.037 Linux 2.4\n";
|
static const char banner[] = KERN_INFO "F6FBB/G4KLX ROSE for Linux. Version 0.64 for AX25.037 Linux 2.4\n";
|
|
|
static int __init rose_proto_init(void)
|
static int __init rose_proto_init(void)
|
{
|
{
|
int i;
|
int i;
|
|
|
rose_callsign = null_ax25_address;
|
rose_callsign = null_ax25_address;
|
|
|
if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device)) {
|
if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device)) {
|
printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n");
|
printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n");
|
return -1;
|
return -1;
|
}
|
}
|
|
|
if ((dev_rose = kmalloc(rose_ndevs * sizeof(struct net_device), GFP_KERNEL)) == NULL) {
|
if ((dev_rose = kmalloc(rose_ndevs * sizeof(struct net_device), GFP_KERNEL)) == NULL) {
|
printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate device structure\n");
|
printk(KERN_ERR "ROSE: rose_proto_init - unable to allocate device structure\n");
|
return -1;
|
return -1;
|
}
|
}
|
|
|
memset(dev_rose, 0x00, rose_ndevs * sizeof(struct net_device));
|
memset(dev_rose, 0x00, rose_ndevs * sizeof(struct net_device));
|
|
|
for (i = 0; i < rose_ndevs; i++) {
|
for (i = 0; i < rose_ndevs; i++) {
|
sprintf(dev_rose[i].name, "rose%d", i);
|
sprintf(dev_rose[i].name, "rose%d", i);
|
dev_rose[i].init = rose_init;
|
dev_rose[i].init = rose_init;
|
register_netdev(&dev_rose[i]);
|
register_netdev(&dev_rose[i]);
|
}
|
}
|
|
|
sock_register(&rose_family_ops);
|
sock_register(&rose_family_ops);
|
register_netdevice_notifier(&rose_dev_notifier);
|
register_netdevice_notifier(&rose_dev_notifier);
|
printk(banner);
|
printk(banner);
|
|
|
ax25_protocol_register(AX25_P_ROSE, rose_route_frame);
|
ax25_protocol_register(AX25_P_ROSE, rose_route_frame);
|
ax25_linkfail_register(rose_link_failed);
|
ax25_linkfail_register(rose_link_failed);
|
|
|
#ifdef CONFIG_SYSCTL
|
#ifdef CONFIG_SYSCTL
|
rose_register_sysctl();
|
rose_register_sysctl();
|
#endif
|
#endif
|
rose_loopback_init();
|
rose_loopback_init();
|
|
|
rose_add_loopback_neigh();
|
rose_add_loopback_neigh();
|
|
|
proc_net_create("rose", 0, rose_get_info);
|
proc_net_create("rose", 0, rose_get_info);
|
proc_net_create("rose_neigh", 0, rose_neigh_get_info);
|
proc_net_create("rose_neigh", 0, rose_neigh_get_info);
|
proc_net_create("rose_nodes", 0, rose_nodes_get_info);
|
proc_net_create("rose_nodes", 0, rose_nodes_get_info);
|
proc_net_create("rose_routes", 0, rose_routes_get_info);
|
proc_net_create("rose_routes", 0, rose_routes_get_info);
|
return 0;
|
return 0;
|
}
|
}
|
module_init(rose_proto_init);
|
module_init(rose_proto_init);
|
|
|
EXPORT_NO_SYMBOLS;
|
EXPORT_NO_SYMBOLS;
|
|
|
MODULE_PARM(rose_ndevs, "i");
|
MODULE_PARM(rose_ndevs, "i");
|
MODULE_PARM_DESC(rose_ndevs, "number of ROSE devices");
|
MODULE_PARM_DESC(rose_ndevs, "number of ROSE devices");
|
|
|
MODULE_AUTHOR("Jonathan Naylor G4KLX <g4klx@g4klx.demon.co.uk>");
|
MODULE_AUTHOR("Jonathan Naylor G4KLX <g4klx@g4klx.demon.co.uk>");
|
MODULE_DESCRIPTION("The amateur radio ROSE network layer protocol");
|
MODULE_DESCRIPTION("The amateur radio ROSE network layer protocol");
|
MODULE_LICENSE("GPL");
|
MODULE_LICENSE("GPL");
|
|
|
static void __exit rose_exit(void)
|
static void __exit rose_exit(void)
|
{
|
{
|
int i;
|
int i;
|
|
|
proc_net_remove("rose");
|
proc_net_remove("rose");
|
proc_net_remove("rose_neigh");
|
proc_net_remove("rose_neigh");
|
proc_net_remove("rose_nodes");
|
proc_net_remove("rose_nodes");
|
proc_net_remove("rose_routes");
|
proc_net_remove("rose_routes");
|
rose_loopback_clear();
|
rose_loopback_clear();
|
|
|
rose_rt_free();
|
rose_rt_free();
|
|
|
ax25_protocol_release(AX25_P_ROSE);
|
ax25_protocol_release(AX25_P_ROSE);
|
ax25_linkfail_release(rose_link_failed);
|
ax25_linkfail_release(rose_link_failed);
|
|
|
if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
|
if (ax25cmp(&rose_callsign, &null_ax25_address) != 0)
|
ax25_listen_release(&rose_callsign, NULL);
|
ax25_listen_release(&rose_callsign, NULL);
|
|
|
#ifdef CONFIG_SYSCTL
|
#ifdef CONFIG_SYSCTL
|
rose_unregister_sysctl();
|
rose_unregister_sysctl();
|
#endif
|
#endif
|
unregister_netdevice_notifier(&rose_dev_notifier);
|
unregister_netdevice_notifier(&rose_dev_notifier);
|
|
|
sock_unregister(PF_ROSE);
|
sock_unregister(PF_ROSE);
|
|
|
for (i = 0; i < rose_ndevs; i++) {
|
for (i = 0; i < rose_ndevs; i++) {
|
if (dev_rose[i].priv != NULL) {
|
if (dev_rose[i].priv != NULL) {
|
kfree(dev_rose[i].priv);
|
kfree(dev_rose[i].priv);
|
dev_rose[i].priv = NULL;
|
dev_rose[i].priv = NULL;
|
unregister_netdev(&dev_rose[i]);
|
unregister_netdev(&dev_rose[i]);
|
}
|
}
|
}
|
}
|
|
|
kfree(dev_rose);
|
kfree(dev_rose);
|
}
|
}
|
module_exit(rose_exit);
|
module_exit(rose_exit);
|
|
|
|
|
