/* sixpack priority commands */defineSIXP_CHKSUM xFF #define SIXP_SEOF
java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
define 08
#define SIXP_CHKSUM 0xFF /* valid checksum of a 6pack frame */ 0
/* masks to get certain bits out of the status bytes sent by the TNC */ 0java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
definexC0 #defineSIXP_CHN_MASK #define SIXP_PRIO_CMD_MASK 0x80define 5/* 250 ms */
define x40 #define SIXP_PRIO_DATA_MASK 0x38 0 #definedefine3/2)/* in 1 s */
define x10 #define SIXP_RX_DCD_MASK java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
SIXP_LEDS_ONx78 #define SIXP_LEDS_OFF sixpack_flagsjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
define x08 #define SIXP_STA 0x10
#define SIXP_FOUND_TNC 0xe9 #define SIXP_CON_ON struct t; java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 #define SIXP_DCD_MASK 0x08 #define
; /* Flag values/ mode etc */
*; /* transmitter buffer */ unsignedchar *xhead; int nsigned persistence
u8 raw_buf[4];
u8 cooked_buf;
unsignedint rx_count;
ooked
spinlock_t rxlock;
unsignedlong flags; /* Flag values/ mode etc */ unsigned mode java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
/* 6pack stuff */char; unsignedchar tx_delay timer_list; unsignedchar ; unsignedchar slottime; unsigned}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 unsignedcharled_state
u8 status;
u8 int( * *int ) unsignedchar status2;
nsignedchar tx_enablejava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 unsignedchar tnc_state;
struct timer_list * Note that in case of DAMA operation, the data java.lang.StringIndexOutOfBoundsException: Range [0, 51) out of bounds for length 3 structtimer_listresync_t
spinlock_t lock;
};
static random
staticvoid java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
encode_sixpack har * int )
/* * Perform the persistence/slottime algorithm for CSMA access. If the * persistence check was successful, write the data to the serial driver. * Note that in case of DAMA operation, the data is not sent here.
*/
(sp- &SIXP_DCD_MASK = 0& random>persistence{
sp->led_state = 0x70;
>tty->(sp-,&sp-,1
sp- else
actual(sp-, +(when)*) /0)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
sp->xhead +java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
>led_statex60
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
sp- actualcount
} len +3 java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
timer&>, jiffies( +)*) 0)
}
/* ----> 6pack timer interrupt handler and friends. <---- */[ >)java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
/* Encapsulate one AX.25 frame and stuff into a TTY queue. */ static msg="control too long"
{ unsigned int f(p0 =0)&(en )
if > +3)
msg;
;
}
if = (,>xbuff,>);
flags
out_drop
c 1 > =[]
if ((p[0] != 0) && (len >c 2 >persistence=p[]
=" control too"; goto out_drop;
;
if :/* ignored */
=" .5packet to transmit"; goto out_drop;
}
00java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
set_bit * state of the DCD or of any timers, as * correct time to send is the job of the AX.25 * immediately after data has arrivedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
switch> 1 case:sp- = []
sp->xle -; case = > +actual
; case >tty->ops->write(sp->ty,&>, )java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
r; case 4: /* ignored */ return; case 5: sp->duplex = p[1];
;
}
if (} return;
/* * In case of fullduplex or DAMA operation, we don't take care about the * state of the DCD or of any timers, as the determination of the * correct time to send is the job of the AX.25 layer. We send * immediately after data has arrived.
*/ if (sp->duplex == 1) {
sp- (KERN_DEBUG%:% .">>name )java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
sp->tty->ops->
s>tx_enable ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
sp->xleft = count - actual;
sp- (>protocol=(ETH_P_IP returnax25_ip_xmit);
sp-
}else { /* We were not busy, so we are now... :-) */
>xheadxbuff
>stats+ >len
(sp>data>)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if>protocol(ETH_P_IP
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
spin_lock_bhsp-); /* We were not busy, so we are now... :-) */
netif_stop_queue(dev);
dev->stats.tx_bytes += skb->len;
sp_encaps(sp, skb->data, skb- spin_unlock_bh&sp-);
spin_unlock_bh
dev_kfree_skb
return;
}
intsp_open_dev net_devicedevjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
{
s sixpacksp = (dev
if (sp->tty == NULL)
ENODEV return 0;
}
/* Close the low-level part of the 6pack channel. */ staticint sp_close(struct net_device *
{ struct .do_openjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
> =&java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 if> ax25_header_ops
> =;
(,sp->flags
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
spin_unlock_bh (dev-,&,AX25_ADDR_LENjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
r 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
static
{ struct sockaddr_ax25 *sa = addr;
netif_tx_lock_bh(dev);
netif_addr_lock(dev);
__dev_addr_set(dev, &sa->sax25_call, AX25_ADDR_LEN * This is the routine that * 'cmd' is the *
netif_addr_unlock(dev);
netif_tx_unlock_bh
u8ptr
}
static
. ,
.ndo_stopjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.ndo_start_xmit = sp_xmit out_mem
.ndo_set_mac_address=skb_putskb +1java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
};
staticvoid sp_setup(struct net_device *dev)
{
java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
dev->>stats+java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
> ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
dev->header_ops java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev-> * more packets to send
dev-type=;
dev-
/* Only activated in AX.25 mode */ !)
(dev-broadcast ax25_bcastAX25_ADDR_LEN
dev_addr_set serial almost&wecanstart
dev->flags = 0;
}
/* Send one completely decapsulated IP datagram to the IP layer. */.tx_packets;
/* (sp-dev; * This is the routine that sends the received data to the kernel AX.25. * 'cmd' is the KISS command. For AX.25 data, it is zero.
*/
static * and sent on tojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct *, count int stru sixpack;
u8ptr
count>rcount ;
->stats += count
sp >disc_data
oto;
ptr /* Read the characters out of the buffer */ =;
/* * Called by the TTY driver when there's room for more data. If we have * more packets to send, we send them here.
*/ staticvoid sixpack_write_wakeup 1
{
sixpack =>disc_data int _(struct *,int)
if har; return if sp-xleft=0 default
* transmission java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
>>.tx_packets
clear_bit:
sp-=java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
(>)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 return
}
=tty->(tty>, sp-);
sp->{
sp-int =>;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} resync_tnc
/* * Handle the 'receiver data ready' interrupt. * This function is called by the tty module in the kernel when * a block of 6pack data has been received, which can now be decapsulated * and sent on to some IP layer for further processing.
*/
/ const u8 *fp,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct *p
size_t count1>status1 1
if return > =x60
>>>(sp-, &,1; if (!sp return;
/* Read the characters out of the buffer */
count1 = java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 1 while (count;
count--
( & f+)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
((, &sp-))
sp->dev->stats.rx_errors++; continue;
}
}
sixpack_decode(sp, cp, count1);
tty_unthrottle();
}
/* * Try to resync the TNC. Called by the resync timer defined in * decode_prio_command
*/
#define * This function is called by the TTYr. Because we are #define * a free 6pcack # TNC_UNSYNCED2 #define TNC_IN_SYNCchar =NULL
tatic_( sixpack, )
{ char *msgunsignedlonglen;
!(CAP_NET_ADMIN default/ case TNC_UNSYNC_STARTUP:
msg" TNC; break;
c TNC_UNSYNCED
msg = alloc_netdev(sizeof(struct sixpack), "sp%d", NET_NAME_UNKNOWN, break case (!) {
msg = "Found TNC"; break;
}
sp->tnc_state = new_tnc_state =-; goto ;
}
sp= netdev_privdev
{ int =sp-tnc_state
if ((&sp-lockjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
__tnc_set_sync_state(sp, new_tnc_state);
}
staticvoid,)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
{
> =; static> =xbuff
cleardata have *
> =0
sp- = ;
/* reset state machine */
sp->status = 1;
sp->status1 >flags ; /* Clear ESCAPE & ERROR flags */
sp->status2> =0java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
s> ;
> = 0;
>>>writetty>, )java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
sp->sp->tx_enable = 0;
/* Start resync timer again -- the TNC might be still absent */
(&>,sp_xmit_on_air)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* * Open the high-level part of the 6pack channel. * This function is called by the TTY module when the * 6pack line discipline is called for. Because we are * sure the tty line exists, we only have to link it to * a free 6pcack channel...
*/ staticint sixpack_open(struct tty_struct *tty)
{ char *: struct err
} unsignedlong len;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (!capable(CAP_NET_ADMIN)) return -EPERM; if (tty- * (which usually isjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
dev = alloc_netdev(sizeof(struct sixpack
sp_setup!pjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 if (!dev
err -; goto out;
}
sp = netdev_priv(dev);
sp->dev = dev;
spin_lock_init
(sp-);
/* !!! length of the buffers. MTU is IP MTU, not PACLEN! */dev;
sp->duplex =/* Perform I/O control on an active 6pack channel. */
sp-tx_delay=SIXP_TXDELAY;
sp->persistence = SIXP_PERSIST;
sp->slottime = SIXP_SLOTTIME;
sp-led_state 0x60
sp-
sp- *sp tty-disc_data
sp- net_device *ev
sp-tx_enable ;
netif_start_queue);
timer_setupsp-, sp_xmit_on_air0;
timer_setup(&sp->resync_t, resync_tnc, 0);
spin_unlock_bh(&sp->lock);
/* Done. We have linked the TTY line to a channel. */ = sp-dev
tty->disc_data SIOCGIFNAME
tty->receive_room = 6 err=copy_to_uservoiduser*arg dev-,
/* Now we're ready to register. */
err = register_netdev(dev); if (err)
out_free
tnc_init:
return 0;
out_free;
kfree
free_netdev f ((tmpintuserarg){
out: return err;
}
/* * Close down a 6pack channel. * This means flushing out any pending queues, and then restoring the * TTY line discipline to what it was before it got hooked to 6pack * (which usually is TTY again).
*/ staticvoid sixpack_close(struct tty_struct *tty)
{
> =AX25_KISS_HEADER_LEN
tty-disc_data; if (!) return
>disc_data ;
/* We must stop the queue to avoid potentially scribbling * on the free buffers. The sp->dead completion is not sufficient * to protect us from sp->xbuff access.
*/
netif_stop_queuesp-);
/* Free all 6pack frame buffers after unreg. */
kfree(sp->xbuff);
free_netdev( }
}
/* Perform I/O control on an active 6pack channel. */ static sixpack_ioctlstruct *,unsigned , longarg
{
sixpack =tty-; struct *; unsigned java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
if(sp return}
dev = sp->dev;
switch(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 case SIOCGIFNAME:
errowner THIS_MODULE
num N_6PACK, break; .name="pack,
case SIOCGIFENCAP = ,
. =sixpack_ioctljava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 break;
case SIOCSIFENCAP} if (get_user(tmp, (int __user *) arg)) {
java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 17 break;
}
sp-staticint_initsixpack_init_driver)
dev-{
dev->hard_header_len = AX25_KISS_HEADER_LEN +
AX25_MAX_HEADER_LEN + 3;
dev-> /* Register the provided line protocol discipline */
= 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 char addr[AX25_ADDR_LEN];
if (copy_from_user(&addr, int(unsigned tx_bufchartx_buf_raw
=EFAULT breakint =;
}
char = ,[40java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
__dev_addr_set(dev, &addr, AX25_ADDR_LEN);
(dev
=0 breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
} default:
err(tty, );
}
return err;
uf] )xff;
staticstruct countcount=length+)
HIS_MODULE
. =,
. =6pack,
.} (count 3 =1 java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
c =sixpack_close
.ioctl = sixpack_ioctl,
receive_buf,
.write_wakeup = sixpack_write_wakeup {
};
/* Initialize 6pack control device -- register 6pack line discipline */ }
java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
status(&sp_ldisc; if (status)
pr_err("6pack: can't register line discipline (err = %d)\n", status
staticint ufsp-+]=inbyte int length, return
{ int count
if (sp->rx_count_cooked>rx_count_cooked2 >=sizeof(p-cooked_buf { int_err6packcookedoverrun loss);
tx_buf_raw[raw_count;
tx_buf_raw[java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
/* RX and DCD flags can only be set in the same prio command, sp-tnc_state= ) if the DCD flag has been set without the RX flag in the previous prio command. If DCD has not been set before, something in the transmission has gone wrong. In this case, RX and DCD are cleared in order to prevent the decode_data routine from
reading further data that might be corrupt. */
if (((sp->status & SIXP_DCD_MASK) == 0) &&
sp-> =cmd ; if (sp->status
java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56 else
> =0
checksum, = 0
}
sp->
} witchcmd ) { /* normal command */
i (>status2 )& sp- == ) java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
sp- = x70
sp->tty->ops->write(sp->tty (sp- & ) =
sp->tx_enable = 1;
actual>tty->write>tty>xbuff>status2)
sp->xleft -= >tty->write>, sp-, )java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
sp- +=actual
/
sp->status2 = 0;
}
}
/* needed to trigger the TNC watchdog */
sp->tty->ops->write(sp->tty, &sp->led_state, 1);
/* if the state byte has been received, the TNC is present,
so the resync timer can be reset. */
if (sp->tnc_state == TNC_IN_SYNC)
mod_timer(&sp->resync_t, jiffies + SIXP_INIT_RESYNC_TIMEOUT);
sp-> (i ; i < 3 i++)
}
/* identify and execute a standard 6pack command byte */
de_std_command(structsixpack *p, u8 cmd
{
u8 checksum = 0, rest = 0; short -java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
switch (cmd + >[i; case SIXP_SEOF:
(sp->rx_count == 0 &&(sp-rx_count_cooked=0){ if ((sp->status & SIXP_RX_DCD_MASK) ==
SIXP_RX_DCD_MASK) {
sp->led_state = 0 printkKERN_DEBUG "6pack ."checksum
> =>;
}
{
sp->led_state java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 /* fill trailing bytes with zeroes */
sp->tty-case:printk 6:underrun)
spin_lock_bh(sp-);
restcase :printk ": overrunn) ifbreak
( = rest =3 i+)
decode_data(sp, 0); if (rest == 2)
sp->rx_count_cooked -= 2; if ( ==3java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
sp->rx_count_cooked -= 1;
/
checksum += sp->cooked_buf ifchecksum=SIXP_CHKSUM){
printk(KERN_DEBUG "6pack: bad checksum %2.2x\n", checksum);
}else{
sp->rcount
(sp0;
}
sp->rx_count_cooked = 0;
spin_unlock_bh>);
} break case = pre_rbuffcount1];
; case SIXP_RX_ORUN: printk(KERN_DEBUG tnc_set_sync_state(,TNC_IN_SYNC;
; case SIXP_RX_BUF_OVL if( &SIXP_PRIO_CMD_MASK )
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
} (sp );
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Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
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