/* (re-)initialize the data structures for x25iface encapsulation
*/
static int isdn_x25iface_proto_restart(struct concap_proto *cprot,
struct net_device *ndev,
struct concap_device_ops *dops)
{
ix25_pdata_t * pda = cprot -> proto_data ;
ulong flags;
IX25DEBUG( "isdn_x25iface_proto_restart %s \n", MY_DEVNAME(ndev) );
if ( pdata_is_bad( pda ) ) return -1;
if( !( dops && dops -> data_req && dops -> connect_req
&& dops -> disconn_req ) ){
printk( KERN_WARNING "isdn_x25iface_restart: required dops"
" missing\n" );
isdn_x25iface_proto_close(cprot);
return -1;
}
spin_lock_irqsave(&cprot->lock, flags);
cprot -> net_dev = ndev;
cprot -> pops = &ix25_pops;
cprot -> dops = dops;
pda -> state = WAN_DISCONNECTED;
spin_unlock_irqrestore(&cprot->lock, flags);
return 0;
}
/* (re-)initialize the data structures for x25iface encapsulation
*/
int isdn_x25iface_proto_restart(struct concap_proto *cprot,
struct net_device *ndev,
struct concap_device_ops *dops)
{
ix25_pdata_t * pda = cprot -> proto_data ;
ulong flags;
IX25DEBUG( "isdn_x25iface_proto_restart %s \n", MY_DEVNAME(ndev) );
if ( pdata_is_bad( pda ) ) return -1;
if( !( dops && dops -> data_req && dops -> connect_req
&& dops -> disconn_req ) ){
printk( KERN_WARNING "isdn_x25iface_restart: required dops"
" missing\n" );
isdn_x25iface_proto_close(cprot);
return -1;
}
save_flags(flags);
cli(); /* avoid races with incoming events calling pops methods while
cprot members are inconsistent */
cprot -> net_dev = ndev;
cprot -> pops = &ix25_pops;
cprot -> dops = dops;
pda -> state = WAN_DISCONNECTED;
restore_flags(flags);
return 0;
}
/* close the x25iface encapsulation protocol
*/
int isdn_x25iface_proto_close(struct concap_proto *cprot){
ix25_pdata_t *tmp;
int ret = 0;
ulong flags;
if( ! cprot ){
printk( KERN_ERR "isdn_x25iface_proto_close: "
"invalid concap_proto pointer\n" );
return -1;
}
IX25DEBUG( "isdn_x25iface_proto_close %s \n", MY_DEVNAME(cprot -> net_dev) );
save_flags(flags);
cli(); /* avoid races with incoming events calling pops methods while
cprot members are inconsistent */
cprot -> dops = NULL;
cprot -> net_dev = NULL;
tmp = cprot -> proto_data;
if( pdata_is_bad( tmp ) ){
ret = -1;
} else {
tmp -> state = WAN_UNCONFIGURED;
}
restore_flags(flags);
return ret;
}
/* close the x25iface encapsulation protocol
*/
static int isdn_x25iface_proto_close(struct concap_proto *cprot){
ix25_pdata_t *tmp;
int ret = 0;
ulong flags;
if( ! cprot ){
printk( KERN_ERR "isdn_x25iface_proto_close: "
"invalid concap_proto pointer\n" );
return -1;
}
IX25DEBUG( "isdn_x25iface_proto_close %s \n", MY_DEVNAME(cprot -> net_dev) );
spin_lock_irqsave(&cprot->lock, flags);
cprot -> dops = NULL;
cprot -> net_dev = NULL;
tmp = cprot -> proto_data;
if( pdata_is_bad( tmp ) ){
ret = -1;
} else {
tmp -> state = WAN_UNCONFIGURED;
}
spin_unlock_irqrestore(&cprot->lock, flags);
return ret;
}
