#define KERN_WARN KERN_WARNING
/* forward references */
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
status_t c4_wk_chan_init (mpi_t *, mch_t *);
void c4_wq_port_cleanup (mpi_t *);
status_t c4_wq_port_init (mpi_t *);
-#endif
int c4_loop_port (ci_t *, int, u_int8_t);
status_t c4_set_port (ci_t *, int);
status_t musycc_chan_down (ci_t *, int);
STATIC void
c4_watchdog (ci_t * ci)
{
-#if 0
- //unsigned long flags;
-#endif
-
if (drvr_state != SBE_DRVR_AVAILABLE)
{
if (log_level >= LOG_MONITOR)
pr_info("drvr not available (%x)\n", drvr_state);
return;
}
-#if 0
- SD_SEM_TAKE (&ci->sem_wdbusy, "_wd_"); /* only 1 thru here, per
- * board */
-#endif
-
ci->wdcount++;
checkPorts (ci);
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,41)
- if (ci->wd_notify)
- { /* is there a state change to search for */
- int port, gchan;
-
- ci->wd_notify = 0; /* reset notification */
- for (gchan = 0; gchan < MUSYCC_NCHANS; gchan++)
- {
- for (port = 0; port < ci->max_port; port++)
- {
- mch_t *ch = ci->port[port].chan[gchan];
-
- if (!ch || ci->state != C_RUNNING) /* state changed while
- * acquiring semaphore */
- break;
- if (ch->state == UP)/* channel must be set up */
- {
-#if 0
-#ifdef RLD_TRANS_DEBUG
- if (1 || log_level >= LOG_MONITOR)
-#else
- if (log_level >= LOG_MONITOR)
-#endif
- pr_info("%s: watchdog reviving Port %d Channel %d [%d] sts %x/%x, start_TX %x free %x start_RX %x\n",
- ci->devname, ch->channum, port, gchan, ch->channum,
- ch->p.status, ch->status,
- ch->ch_start_tx, ch->txd_free, ch->ch_start_rx);
-#endif
-
- /**********************************/
- /** check for RX restart request **/
- /**********************************/
-
- if (ch->ch_start_rx &&
- (ch->status & RX_ENABLED)) /* requires start on
- * enabled RX */
- {
- ch->ch_start_rx = 0; /* we are restarting RX... */
-#ifdef RLD_TRANS_DEBUG
- pr_info("++ c4_watchdog() CHAN RX ACTIVATE: chan %d\n",
- ch->channum);
-#endif
-#ifdef RLD_RXACT_DEBUG
- {
- struct mdesc *md;
- static int hereb4 = 7;
-
- if (hereb4)
- {
- hereb4--;
- md = &ch->mdr[ch->rxix_irq_srv];
- pr_info("++ c4_watchdog[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
- ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status), ch->s.rx_packets);
- musycc_dump_rxbuffer_ring (ch, 1); /* RLD DEBUG */
- }
- }
-#endif
- musycc_serv_req (ch->up, SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION | gchan);
- }
- /**********************************/
- /** check for TX restart request **/
- /**********************************/
-
- if (ch->ch_start_tx &&
- (ch->status & TX_ENABLED)) /* requires start on
- * enabled TX */
- {
- struct mdesc *md;
-
- /*
- * find next unprocessed message, then set TX thp to
- * it
- */
- musycc_update_tx_thp (ch);
-
-#if 0
- spin_lock_irqsave (&ch->ch_txlock, flags);
-#endif
- md = ch->txd_irq_srv;
- if (!md)
- {
- pr_info("-- c4_watchdog[%d]: WARNING, starting NULL md\n",
- ch->channum);
- pr_info("-- chan %d txd_irq_srv %p sts %x usr_add %p sts %x, txpkt %lu\n",
- ch->channum, ch->txd_irq_srv, le32_to_cpu ((struct mdesc *) (ch->txd_irq_srv)->status),
- ch->txd_usr_add, le32_to_cpu ((struct mdesc *) (ch->txd_usr_add)->status),
- ch->s.tx_packets);
-#if 0
- spin_unlock_irqrestore (&ch->ch_txlock, flags);
-#endif
- } else if (md->data && ((le32_to_cpu (md->status)) & MUSYCC_TX_OWNED))
- {
-#ifdef RLD_TRANS_DEBUG
- pr_info("++ c4_watchdog[%d] CHAN TX ACTIVATE: start_tx %x\n",
- ch->channum, ch->ch_start_tx);
-#endif
- ch->ch_start_tx = 0; /* we are restarting
- * TX... */
-#if 0
- spin_unlock_irqrestore (&ch->ch_txlock, flags); /* allow interrupts for
- * service request */
-#endif
- musycc_serv_req (ch->up, SR_CHANNEL_ACTIVATE | SR_TX_DIRECTION | gchan);
-#ifdef RLD_TRANS_DEBUG
- if (1 || log_level >= LOG_MONITOR)
-#else
- if (log_level >= LOG_MONITOR)
-#endif
- pr_info("++ SACK[P%d/C%d] ack'd, continuing...\n",
- ch->up->portnum, ch->channum);
- }
- }
- }
- }
- }
- }
-#else
ci->wd_notify = 0;
-#endif
-#if 0
- SD_SEM_GIVE (&ci->sem_wdbusy);/* release per-board hold */
-#endif
}
for (portnum = 0; portnum < ci->max_port; portnum++)
{
pi = &ci->port[portnum];
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
c4_wq_port_cleanup (pi);
-#endif
for (j = 0; j < MUSYCC_NCHANS; j++)
{
if (pi->chan[j])
}
OS_kfree (pi->regram_saved);
}
-#if 0
- /* obsolete - watchdog is now static w/in ci_t */
- OS_free_watchdog (ci->wd);
-#endif
OS_kfree (ci->iqd_p_saved);
OS_kfree (ci);
ci = next; /* cleanup next board, if any */
return EBUSY; /* group needs initialization only for
* first channel of a group */
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
{
status_t ret;
* workqueue_struct */
return (ret);
}
-#endif
init_comet (ci, pi->cometbase, pp->port_mode, 1 /* clockmaster == true */ , pp->portP);
clck = pci_read_32 ((u_int32_t *) &ci->cpldbase->mclk) & PMCC4_CPLD_MCLK_MASK;
spin_lock_init (&ch->ch_rxlock);
spin_lock_init (&ch->ch_txlock);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
{
status_t ret;
if ((ret = c4_wk_chan_init (pi, ch)))
return ret;
}
-#endif
/* save off interface assignments which bound a board */
if (ci->first_if == 0) /* first channel registered is assumed to
if (ci->first_if)
{
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
- np = (char *) hdlc_to_name (ci->first_if);
-#else
{
struct net_device *dev;
dev = (struct net_device *) ci->first_if;
np = (char *) dev->name;
}
-#endif
strncpy (bip->first_iname, np, CHNM_STRLEN - 1);
} else
strcpy (bip->first_iname, "<NULL>");
if (ci->last_if)
{
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
- np = (char *) hdlc_to_name (ci->last_if);
-#else
{
struct net_device *dev;
dev = (struct net_device *) ci->last_if;
np = (char *) dev->name;
}
-#endif
strncpy (bip->last_iname, np, CHNM_STRLEN - 1);
} else
strcpy (bip->last_iname, "<NULL>");
if (!(dev = getuserbychan (iip->channum)))
return ENOENT;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
- np = (char *) hdlc_to_name (dev_to_hdlc (dev));
-#else
np = dev->name;
-#endif
strncpy (iip->iname, np, CHNM_STRLEN - 1);
return 0;
}
pci_write_32 ((u_int32_t *) &ci->reg->glcd, GCD_MAGIC | MUSYCC_GCD_INTB_DISABLE);
#endif
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,20)
- return;
-#else
return IRQ_RETVAL (handled);
-#endif
}
projects / karo-tx-linux.git / blobdiff