diff options
Diffstat (limited to 'drivers/net/wan/sbni.c')
-rw-r--r-- | drivers/net/wan/sbni.c | 101 |
1 files changed, 58 insertions, 43 deletions
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c index 40c04ea1200a..2fde439543fb 100644 --- a/drivers/net/wan/sbni.c +++ b/drivers/net/wan/sbni.c @@ -260,11 +260,12 @@ static int __init sbni_init(struct net_device *dev) return sbni_isa_probe( dev ); /* otherwise we have to perform search our adapter */ - if( io[ num ] != -1 ) - dev->base_addr = io[ num ], + if( io[ num ] != -1 ) { + dev->base_addr = io[ num ]; dev->irq = irq[ num ]; - else if( scandone || io[ 0 ] != -1 ) + } else if( scandone || io[ 0 ] != -1 ) { return -ENODEV; + } /* if io[ num ] contains non-zero address, then that is on ISA bus */ if( dev->base_addr ) @@ -399,12 +400,13 @@ sbni_probe1( struct net_device *dev, unsigned long ioaddr, int irq ) nl->maxframe = DEFAULT_FRAME_LEN; nl->csr1.rate = baud[ num ]; - if( (nl->cur_rxl_index = rxl[ num ]) == -1 ) + if( (nl->cur_rxl_index = rxl[ num ]) == -1 ) { /* autotune rxl */ - nl->cur_rxl_index = DEF_RXL, + nl->cur_rxl_index = DEF_RXL; nl->delta_rxl = DEF_RXL_DELTA; - else + } else { nl->delta_rxl = 0; + } nl->csr1.rxl = rxl_tab[ nl->cur_rxl_index ]; if( inb( ioaddr + CSR0 ) & 0x01 ) nl->state |= FL_SLOW_MODE; @@ -512,13 +514,15 @@ sbni_interrupt( int irq, void *dev_id ) do { repeat = 0; - if( inb( dev->base_addr + CSR0 ) & (RC_RDY | TR_RDY) ) - handle_channel( dev ), + if( inb( dev->base_addr + CSR0 ) & (RC_RDY | TR_RDY) ) { + handle_channel( dev ); repeat = 1; + } if( nl->second && /* second channel present */ - (inb( nl->second->base_addr+CSR0 ) & (RC_RDY | TR_RDY)) ) - handle_channel( nl->second ), + (inb( nl->second->base_addr+CSR0 ) & (RC_RDY | TR_RDY)) ) { + handle_channel( nl->second ); repeat = 1; + } } while( repeat ); if( nl->second ) @@ -610,11 +614,12 @@ recv_frame( struct net_device *dev ) nl->state |= FL_PREV_OK; if( framelen > 4 ) nl->in_stats.all_rx_number++; - } else - nl->state &= ~FL_PREV_OK, - change_level( dev ), - nl->in_stats.all_rx_number++, + } else { + nl->state &= ~FL_PREV_OK; + change_level( dev ); + nl->in_stats.all_rx_number++; nl->in_stats.bad_rx_number++; + } return !frame_ok || framelen > 4; } @@ -689,9 +694,10 @@ download_data( struct net_device *dev, u32 *crc_p ) *crc_p = calc_crc32( *crc_p, skb->data + nl->outpos, len ); /* if packet too short we should write some more bytes to pad */ - for( len = nl->framelen - len; len--; ) - outb( 0, dev->base_addr + DAT ), + for( len = nl->framelen - len; len--; ) { + outb( 0, dev->base_addr + DAT ); *crc_p = CRC32( 0, *crc_p ); + } } @@ -703,9 +709,10 @@ upload_data( struct net_device *dev, unsigned framelen, unsigned frameno, int frame_ok; - if( is_first ) - nl->wait_frameno = frameno, + if( is_first ) { + nl->wait_frameno = frameno; nl->inppos = 0; + } if( nl->wait_frameno == frameno ) { @@ -717,33 +724,35 @@ upload_data( struct net_device *dev, unsigned framelen, unsigned frameno, * error was occurred... drop entire packet */ else if( (frame_ok = skip_tail( dev->base_addr, framelen, crc )) - != 0 ) - nl->wait_frameno = 0, - nl->inppos = 0, + != 0 ) { + nl->wait_frameno = 0; + nl->inppos = 0; #ifdef CONFIG_SBNI_MULTILINE - nl->master->stats.rx_errors++, + nl->master->stats.rx_errors++; nl->master->stats.rx_missed_errors++; #else - dev->stats.rx_errors++, + dev->stats.rx_errors++; dev->stats.rx_missed_errors++; #endif + } /* now skip all frames until is_first != 0 */ } else frame_ok = skip_tail( dev->base_addr, framelen, crc ); - if( is_first && !frame_ok ) + if( is_first && !frame_ok ) { /* * Frame has been broken, but we had already stored * is_first... Drop entire packet. */ - nl->wait_frameno = 0, + nl->wait_frameno = 0; #ifdef CONFIG_SBNI_MULTILINE - nl->master->stats.rx_errors++, + nl->master->stats.rx_errors++; nl->master->stats.rx_crc_errors++; #else - dev->stats.rx_errors++, + dev->stats.rx_errors++; dev->stats.rx_crc_errors++; #endif + } return frame_ok; } @@ -782,17 +791,18 @@ interpret_ack( struct net_device *dev, unsigned ack ) if( nl->state & FL_WAIT_ACK ) { nl->outpos += nl->framelen; - if( --nl->tx_frameno ) + if( --nl->tx_frameno ) { nl->framelen = min_t(unsigned int, nl->maxframe, nl->tx_buf_p->len - nl->outpos); - else - send_complete( dev ), + } else { + send_complete( dev ); #ifdef CONFIG_SBNI_MULTILINE netif_wake_queue( nl->master ); #else netif_wake_queue( dev ); #endif + } } } @@ -872,16 +882,17 @@ drop_xmit_queue( struct net_device *dev ) { struct net_local *nl = netdev_priv(dev); - if( nl->tx_buf_p ) - dev_kfree_skb_any( nl->tx_buf_p ), - nl->tx_buf_p = NULL, + if( nl->tx_buf_p ) { + dev_kfree_skb_any( nl->tx_buf_p ); + nl->tx_buf_p = NULL; #ifdef CONFIG_SBNI_MULTILINE - nl->master->stats.tx_errors++, + nl->master->stats.tx_errors++; nl->master->stats.tx_carrier_errors++; #else - dev->stats.tx_errors++, + dev->stats.tx_errors++; dev->stats.tx_carrier_errors++; #endif + } nl->tx_frameno = 0; nl->framelen = 0; @@ -1327,12 +1338,13 @@ sbni_ioctl( struct net_device *dev, struct ifreq *ifr, int cmd ) spin_lock( &nl->lock ); flags = *(struct sbni_flags*) &ifr->ifr_ifru; - if( flags.fixed_rxl ) - nl->delta_rxl = 0, + if( flags.fixed_rxl ) { + nl->delta_rxl = 0; nl->cur_rxl_index = flags.rxl; - else - nl->delta_rxl = DEF_RXL_DELTA, + } else { + nl->delta_rxl = DEF_RXL_DELTA; nl->cur_rxl_index = DEF_RXL; + } nl->csr1.rxl = rxl_tab[ nl->cur_rxl_index ]; nl->csr1.rate = flags.rate; @@ -1526,13 +1538,16 @@ sbni_setup( char *p ) (*dest[ parm ])[ n ] = simple_strtol( p, &p, 0 ); if( !*p || *p == ')' ) return 1; - if( *p == ';' ) - ++p, ++n, parm = 0; - else if( *p++ != ',' ) + if( *p == ';' ) { + ++p; + ++n; + parm = 0; + } else if( *p++ != ',' ) { break; - else + } else { if( ++parm >= 5 ) break; + } } bad_param: pr_err("Error in sbni kernel parameter!\n"); |