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1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 | /* sbni.c: Granch SBNI12 leased line adapters driver for linux * * Written 2001 by Denis I.Timofeev (timofeev@granch.ru) * * Previous versions were written by Yaroslav Polyakov, * Alexey Zverev and Max Khon. * * Driver supports SBNI12-02,-04,-05,-10,-11 cards, single and * double-channel, PCI and ISA modifications. * More info and useful utilities to work with SBNI12 cards you can find * at http://www.granch.com (English) or http://www.granch.ru (Russian) * * This software may be used and distributed according to the terms * of the GNU General Public License. * * * 5.0.1 Jun 22 2001 * - Fixed bug in probe * 5.0.0 Jun 06 2001 * - Driver was completely redesigned by Denis I.Timofeev, * - now PCI/Dual, ISA/Dual (with single interrupt line) models are * - supported * 3.3.0 Thu Feb 24 21:30:28 NOVT 2000 * - PCI cards support * 3.2.0 Mon Dec 13 22:26:53 NOVT 1999 * - Completely rebuilt all the packet storage system * - to work in Ethernet-like style. * 3.1.1 just fixed some bugs (5 aug 1999) * 3.1.0 added balancing feature (26 apr 1999) * 3.0.1 just fixed some bugs (14 apr 1999). * 3.0.0 Initial Revision, Yaroslav Polyakov (24 Feb 1999) * - added pre-calculation for CRC, fixed bug with "len-2" frames, * - removed outbound fragmentation (MTU=1000), written CRC-calculation * - on asm, added work with hard_headers and now we have our own cache * - for them, optionally supported word-interchange on some chipsets, * * Known problem: this driver wasn't tested on multiprocessor machine. */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/ptrace.h> #include <linux/fcntl.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/errno.h> #include <asm/io.h> #include <asm/types.h> #include <asm/byteorder.h> #include <asm/irq.h> #include <asm/uaccess.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include <linux/timer.h> #include <linux/init.h> #include <net/arp.h> #include <linux/pci.h> #ifndef MODULE #include <linux/string.h> #endif #include <linux/config.h> #include "sbni.h" /* device private data */ struct net_local { struct net_device_stats stats; struct timer_list watchdog; spinlock_t lock; struct sk_buff *rx_buf_p; /* receive buffer ptr */ struct sk_buff *tx_buf_p; /* transmit buffer ptr */ unsigned int framelen; /* current frame length */ unsigned int maxframe; /* maximum valid frame length */ unsigned int state; unsigned int inppos, outpos; /* positions in rx/tx buffers */ /* transmitting frame number - from frames qty to 1 */ unsigned int tx_frameno; /* expected number of next receiving frame */ unsigned int wait_frameno; /* count of failed attempts to frame send - 32 attempts do before error - while receiver tunes on opposite side of wire */ unsigned int trans_errors; /* idle time; send pong when limit exceeded */ unsigned int timer_ticks; /* fields used for receive level autoselection */ int delta_rxl; unsigned int cur_rxl_index, timeout_rxl; unsigned long cur_rxl_rcvd, prev_rxl_rcvd; struct sbni_csr1 csr1; /* current value of CSR1 */ struct sbni_in_stats in_stats; /* internal statistics */ struct net_device *second; /* for ISA/dual cards */ #ifdef CONFIG_SBNI_MULTILINE struct net_device *master; struct net_device *link; #endif }; static int sbni_card_probe( unsigned long ); static int sbni_pci_probe( struct net_device * ); static struct net_device *sbni_probe1(struct net_device *, unsigned long, int); static int sbni_open( struct net_device * ); static int sbni_close( struct net_device * ); static int sbni_start_xmit( struct sk_buff *, struct net_device * ); static int sbni_ioctl( struct net_device *, struct ifreq *, int ); static struct net_device_stats *sbni_get_stats( struct net_device * ); static void set_multicast_list( struct net_device * ); static void sbni_interrupt( int, void *, struct pt_regs * ); static void handle_channel( struct net_device * ); static int recv_frame( struct net_device * ); static void send_frame( struct net_device * ); static int upload_data( struct net_device *, unsigned, unsigned, unsigned, u32 ); static void download_data( struct net_device *, u32 * ); static void sbni_watchdog( unsigned long ); static void interpret_ack( struct net_device *, unsigned ); static int append_frame_to_pkt( struct net_device *, unsigned, u32 ); static void indicate_pkt( struct net_device * ); static void card_start( struct net_device * ); static void prepare_to_send( struct sk_buff *, struct net_device * ); static void drop_xmit_queue( struct net_device * ); static void send_frame_header( struct net_device *, u32 * ); static int skip_tail( unsigned int, unsigned int, u32 ); static int check_fhdr( u32, u32 *, u32 *, u32 *, u32 *, u32 * ); static void change_level( struct net_device * ); static void timeout_change_level( struct net_device * ); static u32 calc_crc32( u32, u8 *, u32 ); static struct sk_buff * get_rx_buf( struct net_device * ); #ifdef CONFIG_SBNI_MULTILINE static int enslave( struct net_device *, struct net_device * ); static int emancipate( struct net_device * ); #endif #ifdef __i386__ #define ASM_CRC 1 #endif static const char version[] = "Granch SBNI12 driver ver 5.0.1 Jun 22 2001 Denis I.Timofeev.\n"; static int skip_pci_probe __initdata = 0; static int scandone __initdata = 0; static int num __initdata = 0; static unsigned char rxl_tab[]; static u32 crc32tab[]; /* A list of all installed devices, for removing the driver module. */ static struct net_device *sbni_cards[ SBNI_MAX_NUM_CARDS ]; /* Lists of device's parameters */ static u32 io[ SBNI_MAX_NUM_CARDS ] __initdata = { [0 ... SBNI_MAX_NUM_CARDS-1] = -1 }; static u32 irq[ SBNI_MAX_NUM_CARDS ] __initdata; static u32 baud[ SBNI_MAX_NUM_CARDS ] __initdata; static u32 rxl[ SBNI_MAX_NUM_CARDS ] __initdata = { [0 ... SBNI_MAX_NUM_CARDS-1] = -1 }; static u32 mac[ SBNI_MAX_NUM_CARDS ] __initdata; #ifndef MODULE typedef u32 iarr[]; static iarr *dest[5] = { &io, &irq, &baud, &rxl, &mac }; #endif /* A zero-terminated list of I/O addresses to be probed on ISA bus */ static unsigned int netcard_portlist[ ] __initdata = { 0x210, 0x214, 0x220, 0x224, 0x230, 0x234, 0x240, 0x244, 0x250, 0x254, 0x260, 0x264, 0x270, 0x274, 0x280, 0x284, 0x290, 0x294, 0x2a0, 0x2a4, 0x2b0, 0x2b4, 0x2c0, 0x2c4, 0x2d0, 0x2d4, 0x2e0, 0x2e4, 0x2f0, 0x2f4, 0 }; /* * Look for SBNI card which addr stored in dev->base_addr, if nonzero. * Otherwise, look through PCI bus. If none PCI-card was found, scan ISA. */ static inline int __init sbni_isa_probe( struct net_device *dev ) { if( dev->base_addr > 0x1ff && !check_region( dev->base_addr, SBNI_IO_EXTENT ) && sbni_probe1( dev, dev->base_addr, dev->irq ) ) return 0; else { printk( KERN_ERR "sbni: base address 0x%lx is busy, or adapter " "is malfunctional!\n", dev->base_addr ); return -ENODEV; } } int __init sbni_probe( struct net_device *dev ) { int i; static unsigned version_printed __initdata = 0; if( version_printed++ == 0 ) printk( KERN_INFO "%s", version ); if( !dev ) { /* simple sanity check */ printk( KERN_ERR "sbni: NULL device!\n" ); return -ENODEV; } SET_MODULE_OWNER( dev ); if( dev->base_addr ) return sbni_isa_probe( dev ); /* otherwise we have to perform search our adapter */ if( io[ num ] != -1 ) dev->base_addr = io[ num ], dev->irq = irq[ num ]; 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 ) return sbni_isa_probe( dev ); /* ...otherwise - scan PCI first */ if( !skip_pci_probe && !sbni_pci_probe( dev ) ) return 0; if( io[ num ] == -1 ) { /* Auto-scan will be stopped when first ISA card were found */ scandone = 1; if( num > 0 ) return -ENODEV; } for( i = 0; netcard_portlist[ i ]; ++i ) { int ioaddr = netcard_portlist[ i ]; if( !check_region( ioaddr, SBNI_IO_EXTENT ) && sbni_probe1( dev, ioaddr, 0 )) return 0; } return -ENODEV; } int __init sbni_pci_probe( struct net_device *dev ) { struct pci_dev *pdev = NULL; if( !pci_present( ) ) return -ENODEV; while( (pdev = pci_find_class( PCI_CLASS_NETWORK_OTHER << 8, pdev )) != NULL ) { int pci_irq_line; unsigned long pci_ioaddr; u16 subsys; if( pdev->vendor != SBNI_PCI_VENDOR && pdev->device != SBNI_PCI_DEVICE ) continue; pci_ioaddr = pci_resource_start( pdev, 0 ); pci_irq_line = pdev->irq; /* Avoid already found cards from previous calls */ if( check_region( pci_ioaddr, SBNI_IO_EXTENT ) ) { pci_read_config_word( pdev, PCI_SUBSYSTEM_ID, &subsys ); if( subsys != 2 || /* Dual adapter is present */ check_region( pci_ioaddr += 4, SBNI_IO_EXTENT ) ) continue; } if( pci_irq_line <= 0 || pci_irq_line >= NR_IRQS ) printk( KERN_WARNING " WARNING: The PCI BIOS assigned " "this PCI card to IRQ %d, which is unlikely " "to work!.\n" KERN_WARNING " You should use the PCI BIOS " "setup to assign a valid IRQ line.\n", pci_irq_line ); /* avoiding re-enable dual adapters */ if( (pci_ioaddr & 7) == 0 && pci_enable_device( pdev ) ) return -EIO; if( sbni_probe1( dev, pci_ioaddr, pci_irq_line ) ) return 0; } return -ENODEV; } static struct net_device * __init sbni_probe1( struct net_device *dev, unsigned long ioaddr, int irq ) { struct net_local *nl; if( !request_region( ioaddr, SBNI_IO_EXTENT, dev->name ) ) return 0; if( sbni_card_probe( ioaddr ) ) { release_region( ioaddr, SBNI_IO_EXTENT ); return 0; } outb( 0, ioaddr + CSR0 ); if( irq < 2 ) { autoirq_setup( 5 ); outb( EN_INT | TR_REQ, ioaddr + CSR0 ); outb( PR_RES, ioaddr + CSR1 ); irq = autoirq_report( 5 ); outb( 0, ioaddr + CSR0 ); if( !irq ) { printk( KERN_ERR "%s: can't detect device irq!\n", dev->name ); release_region( ioaddr, SBNI_IO_EXTENT ); return 0; } } else if( irq == 2 ) irq = 9; dev->irq = irq; dev->base_addr = ioaddr; /* Allocate dev->priv and fill in sbni-specific dev fields. */ nl = (struct net_local *) kmalloc(sizeof(struct net_local), GFP_KERNEL); if( !nl ) { printk( KERN_ERR "%s: unable to get memory!\n", dev->name ); release_region( ioaddr, SBNI_IO_EXTENT ); return 0; } dev->priv = nl; memset( nl, 0, sizeof(struct net_local) ); spin_lock_init( &nl->lock ); /* store MAC address (generate if that isn't known) */ *(u16 *)dev->dev_addr = htons( 0x00ff ); *(u32 *)(dev->dev_addr + 2) = htonl( 0x01000000 | ( (mac[num] ? mac[num] : (u32)((long)dev->priv)) & 0x00ffffff) ); /* store link settings (speed, receive level ) */ nl->maxframe = DEFAULT_FRAME_LEN; nl->csr1.rate = baud[ num ]; if( (nl->cur_rxl_index = rxl[ num ]) == -1 ) /* autotune rxl */ nl->cur_rxl_index = DEF_RXL, nl->delta_rxl = DEF_RXL_DELTA; else nl->delta_rxl = 0; nl->csr1.rxl = rxl_tab[ nl->cur_rxl_index ]; if( inb( ioaddr + CSR0 ) & 0x01 ) nl->state |= FL_SLOW_MODE; printk( KERN_NOTICE "%s: ioaddr %#lx, irq %d, " "MAC: 00:ff:01:%02x:%02x:%02x\n", dev->name, dev->base_addr, dev->irq, ((u8 *) dev->dev_addr) [3], ((u8 *) dev->dev_addr) [4], ((u8 *) dev->dev_addr) [5] ); printk( KERN_NOTICE "%s: speed %d, receive level ", dev->name, ( (nl->state & FL_SLOW_MODE) ? 500000 : 2000000) / (1 << nl->csr1.rate) ); if( nl->delta_rxl == 0 ) printk( "0x%x (fixed)\n", nl->cur_rxl_index ); else printk( "(auto)\n"); #ifdef CONFIG_SBNI_MULTILINE nl->master = dev; nl->link = NULL; #endif dev->open = &sbni_open; dev->stop = &sbni_close; dev->hard_start_xmit = &sbni_start_xmit; dev->get_stats = &sbni_get_stats; dev->set_multicast_list = &set_multicast_list; dev->do_ioctl = &sbni_ioctl; ether_setup( dev ); sbni_cards[ num++ ] = dev; return dev; } /* -------------------------------------------------------------------------- */ #ifdef CONFIG_SBNI_MULTILINE static int sbni_start_xmit( struct sk_buff *skb, struct net_device *dev ) { struct net_device *p; netif_stop_queue( dev ); /* Looking for idle device in the list */ for( p = dev; p; ) { struct net_local *nl = (struct net_local *) p->priv; spin_lock( &nl->lock ); if( nl->tx_buf_p || (nl->state & FL_LINE_DOWN) ) { p = nl->link; spin_unlock( &nl->lock ); } else { /* Idle dev is found */ prepare_to_send( skb, p ); spin_unlock( &nl->lock ); netif_start_queue( dev ); return 0; } } return 1; } #else /* CONFIG_SBNI_MULTILINE */ static int sbni_start_xmit( struct sk_buff *skb, struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; netif_stop_queue( dev ); spin_lock( &nl->lock ); prepare_to_send( skb, dev ); spin_unlock( &nl->lock ); return 0; } #endif /* CONFIG_SBNI_MULTILINE */ /* -------------------------------------------------------------------------- */ /* interrupt handler */ /* * SBNI12D-10, -11/ISA boards within "common interrupt" mode could not * be looked as two independent single-channel devices. Every channel seems * as Ethernet interface but interrupt handler must be common. Really, first * channel ("master") driver only registers the handler. In its struct net_local * it has got pointer to "slave" channel's struct net_local and handles that's * interrupts too. * dev of successfully attached ISA SBNI boards is linked to list. * While next board driver is initialized, it scans this list. If one * has found dev with same irq and ioaddr different by 4 then it assumes * this board to be "master". */ static void sbni_interrupt( int irq, void *dev_id, struct pt_regs *regs ) { struct net_device *dev = (struct net_device *) dev_id; struct net_local *nl = (struct net_local *) dev->priv; int repeat; spin_lock( &nl->lock ); if( nl->second ) spin_lock( &((struct net_local *) nl->second->priv)->lock ); do { repeat = 0; 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 ), repeat = 1; } while( repeat ); if( nl->second ) spin_unlock( &((struct net_local *)nl->second->priv)->lock ); spin_unlock( &nl->lock ); } static void handle_channel( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; int req_ans; unsigned char csr0; #ifdef CONFIG_SBNI_MULTILINE /* Lock the master device because we going to change its local data */ if( nl->state & FL_SLAVE ) spin_lock( &((struct net_local *) nl->master->priv)->lock ); #endif outb( (inb( ioaddr + CSR0 ) & ~EN_INT) | TR_REQ, ioaddr + CSR0 ); nl->timer_ticks = CHANGE_LEVEL_START_TICKS; for(;;) { csr0 = inb( ioaddr + CSR0 ); if( ( csr0 & (RC_RDY | TR_RDY) ) == 0 ) break; req_ans = !(nl->state & FL_PREV_OK); if( csr0 & RC_RDY ) req_ans = recv_frame( dev ); /* * TR_RDY always equals 1 here because we have owned the marker, * and we set TR_REQ when disabled interrupts */ csr0 = inb( ioaddr + CSR0 ); if( !(csr0 & TR_RDY) || (csr0 & RC_RDY) ) printk( KERN_ERR "%s: internal error!\n", dev->name ); /* if state & FL_NEED_RESEND != 0 then tx_frameno != 0 */ if( req_ans || nl->tx_frameno != 0 ) send_frame( dev ); else /* send marker without any data */ outb( inb( ioaddr + CSR0 ) & ~TR_REQ, ioaddr + CSR0 ); } outb( inb( ioaddr + CSR0 ) | EN_INT, ioaddr + CSR0 ); #ifdef CONFIG_SBNI_MULTILINE if( nl->state & FL_SLAVE ) spin_unlock( &((struct net_local *) nl->master->priv)->lock ); #endif } /* * Routine returns 1 if it need to acknoweledge received frame. * Empty frame received without errors won't be acknoweledged. */ static int recv_frame( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; unsigned long ioaddr = dev->base_addr; u32 crc = CRC32_INITIAL; unsigned framelen, frameno, ack; unsigned is_first, frame_ok; if( check_fhdr( ioaddr, &framelen, &frameno, &ack, &is_first, &crc ) ) { frame_ok = framelen > 4 ? upload_data( dev, framelen, frameno, is_first, crc ) : skip_tail( ioaddr, framelen, crc ); if( frame_ok ) interpret_ack( dev, ack ); } else frame_ok = 0; outb( inb( ioaddr + CSR0 ) ^ CT_ZER, ioaddr + CSR0 ); if( frame_ok ) { 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++, nl->in_stats.bad_rx_number++; return !frame_ok || framelen > 4; } static void send_frame( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; u32 crc = CRC32_INITIAL; if( nl->state & FL_NEED_RESEND ) { /* if frame was sended but not ACK'ed - resend it */ if( nl->trans_errors ) { --nl->trans_errors; if( nl->framelen != 0 ) nl->in_stats.resend_tx_number++; } else { /* cannot xmit with many attempts */ #ifdef CONFIG_SBNI_MULTILINE if( (nl->state & FL_SLAVE) || nl->link ) #endif nl->state |= FL_LINE_DOWN; drop_xmit_queue( dev ); goto do_send; } } else nl->trans_errors = TR_ERROR_COUNT; send_frame_header( dev, &crc ); nl->state |= FL_NEED_RESEND; /* * FL_NEED_RESEND will be cleared after ACK, but if empty * frame sended then in prepare_to_send next frame */ if( nl->framelen ) { download_data( dev, &crc ); nl->in_stats.all_tx_number++; nl->state |= FL_WAIT_ACK; } outsb( dev->base_addr + DAT, (u8 *)&crc, sizeof crc ); do_send: outb( inb( dev->base_addr + CSR0 ) & ~TR_REQ, dev->base_addr + CSR0 ); if( nl->tx_frameno ) /* next frame exists - we request card to send it */ outb( inb( dev->base_addr + CSR0 ) | TR_REQ, dev->base_addr + CSR0 ); } /* * Write the frame data into adapter's buffer memory, and calculate CRC. * Do padding if necessary. */ static void download_data( struct net_device *dev, u32 *crc_p ) { struct net_local *nl = (struct net_local *) dev->priv; struct sk_buff *skb = nl->tx_buf_p; unsigned len = min_t(unsigned int, skb->len - nl->outpos, nl->framelen); outsb( dev->base_addr + DAT, skb->data + nl->outpos, len ); *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 ), *crc_p = CRC32( 0, *crc_p ); } static int upload_data( struct net_device *dev, unsigned framelen, unsigned frameno, unsigned is_first, u32 crc ) { struct net_local *nl = (struct net_local *) dev->priv; int frame_ok; if( is_first ) nl->wait_frameno = frameno, nl->inppos = 0; if( nl->wait_frameno == frameno ) { if( nl->inppos + framelen <= ETHER_MAX_LEN ) frame_ok = append_frame_to_pkt( dev, framelen, crc ); /* * if CRC is right but framelen incorrect then transmitter * error was occured... drop entire packet */ else if( (frame_ok = skip_tail( dev->base_addr, framelen, crc )) != 0 ) nl->wait_frameno = 0, nl->inppos = 0, #ifdef CONFIG_SBNI_MULTILINE ((struct net_local *) nl->master->priv) ->stats.rx_errors++, ((struct net_local *) nl->master->priv) ->stats.rx_missed_errors++; #else nl->stats.rx_errors++, nl->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 ) /* * Frame has been broken, but we had already stored * is_first... Drop entire packet. */ nl->wait_frameno = 0, #ifdef CONFIG_SBNI_MULTILINE ((struct net_local *) nl->master->priv)->stats.rx_errors++, ((struct net_local *) nl->master->priv)->stats.rx_crc_errors++; #else nl->stats.rx_errors++, nl->stats.rx_crc_errors++; #endif return frame_ok; } static __inline void send_complete( struct net_local *nl ) { #ifdef CONFIG_SBNI_MULTILINE ((struct net_local *) nl->master->priv)->stats.tx_packets++; ((struct net_local *) nl->master->priv)->stats.tx_bytes += nl->tx_buf_p->len; #else nl->stats.tx_packets++; nl->stats.tx_bytes += nl->tx_buf_p->len; #endif dev_kfree_skb_irq( nl->tx_buf_p ); nl->tx_buf_p = NULL; nl->outpos = 0; nl->state &= ~(FL_WAIT_ACK | FL_NEED_RESEND); nl->framelen = 0; } static void interpret_ack( struct net_device *dev, unsigned ack ) { struct net_local *nl = (struct net_local *) dev->priv; if( ack == FRAME_SENT_OK ) { nl->state &= ~FL_NEED_RESEND; if( nl->state & FL_WAIT_ACK ) { nl->outpos += nl->framelen; if( --nl->tx_frameno ) nl->framelen = min_t(unsigned int, nl->maxframe, nl->tx_buf_p->len - nl->outpos); else send_complete( nl ), #ifdef CONFIG_SBNI_MULTILINE netif_wake_queue( nl->master ); #else netif_wake_queue( dev ); #endif } } nl->state &= ~FL_WAIT_ACK; } /* * Glue received frame with previous fragments of packet. * Indicate packet when last frame would be accepted. */ static int append_frame_to_pkt( struct net_device *dev, unsigned framelen, u32 crc ) { struct net_local *nl = (struct net_local *) dev->priv; u8 *p; if( nl->inppos + framelen > ETHER_MAX_LEN ) return 0; if( !nl->rx_buf_p && !(nl->rx_buf_p = get_rx_buf( dev )) ) return 0; p = nl->rx_buf_p->data + nl->inppos; insb( dev->base_addr + DAT, p, framelen ); if( calc_crc32( crc, p, framelen ) != CRC32_REMAINDER ) return 0; nl->inppos += framelen - 4; if( --nl->wait_frameno == 0 ) /* last frame received */ indicate_pkt( dev ); return 1; } /* * Prepare to start output on adapter. * Transmitter will be actually activated when marker is accepted. */ static void prepare_to_send( struct sk_buff *skb, struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; unsigned int len; /* nl->tx_buf_p == NULL here! */ if( nl->tx_buf_p ) printk( KERN_ERR "%s: memory leak!\n", dev->name ); nl->outpos = 0; nl->state &= ~(FL_WAIT_ACK | FL_NEED_RESEND); len = skb->len; if( len < SBNI_MIN_LEN ) len = SBNI_MIN_LEN; nl->tx_buf_p = skb; nl->tx_frameno = (len + nl->maxframe - 1) / nl->maxframe; nl->framelen = len < nl->maxframe ? len : nl->maxframe; outb( inb( dev->base_addr + CSR0 ) | TR_REQ, dev->base_addr + CSR0 ); #ifdef CONFIG_SBNI_MULTILINE nl->master->trans_start = jiffies; #else dev->trans_start = jiffies; #endif } static void drop_xmit_queue( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; if( nl->tx_buf_p ) dev_kfree_skb_any( nl->tx_buf_p ), nl->tx_buf_p = NULL, #ifdef CONFIG_SBNI_MULTILINE ((struct net_local *) nl->master->priv) ->stats.tx_errors++, ((struct net_local *) nl->master->priv) ->stats.tx_carrier_errors++; #else nl->stats.tx_errors++, nl->stats.tx_carrier_errors++; #endif nl->tx_frameno = 0; nl->framelen = 0; nl->outpos = 0; nl->state &= ~(FL_WAIT_ACK | FL_NEED_RESEND); #ifdef CONFIG_SBNI_MULTILINE netif_start_queue( nl->master ); nl->master->trans_start = jiffies; #else netif_start_queue( dev ); dev->trans_start = jiffies; #endif } static void send_frame_header( struct net_device *dev, u32 *crc_p ) { struct net_local *nl = (struct net_local *) dev->priv; u32 crc = *crc_p; u32 len_field = nl->framelen + 6; /* CRC + frameno + reserved */ u8 value; if( nl->state & FL_NEED_RESEND ) len_field |= FRAME_RETRY; /* non-first attempt... */ if( nl->outpos == 0 ) len_field |= FRAME_FIRST; len_field |= (nl->state & FL_PREV_OK) ? FRAME_SENT_OK : FRAME_SENT_BAD; outb( SBNI_SIG, dev->base_addr + DAT ); value = (u8) len_field; outb( value, dev->base_addr + DAT ); crc = CRC32( value, crc ); value = (u8) (len_field >> 8); outb( value, dev->base_addr + DAT ); crc = CRC32( value, crc ); outb( nl->tx_frameno, dev->base_addr + DAT ); crc = CRC32( nl->tx_frameno, crc ); outb( 0, dev->base_addr + DAT ); crc = CRC32( 0, crc ); *crc_p = crc; } /* * if frame tail not needed (incorrect number or received twice), * it won't store, but CRC will be calculated */ static int skip_tail( unsigned int ioaddr, unsigned int tail_len, u32 crc ) { while( tail_len-- ) crc = CRC32( inb( ioaddr + DAT ), crc ); return crc == CRC32_REMAINDER; } /* * Preliminary checks if frame header is correct, calculates its CRC * and split it to simple fields */ static int check_fhdr( u32 ioaddr, u32 *framelen, u32 *frameno, u32 *ack, u32 *is_first, u32 *crc_p ) { u32 crc = *crc_p; u8 value; if( inb( ioaddr + DAT ) != SBNI_SIG ) return 0; value = inb( ioaddr + DAT ); *framelen = (u32)value; crc = CRC32( value, crc ); value = inb( ioaddr + DAT ); *framelen |= ((u32)value) << 8; crc = CRC32( value, crc ); *ack = *framelen & FRAME_ACK_MASK; *is_first = (*framelen & FRAME_FIRST) != 0; if( (*framelen &= FRAME_LEN_MASK) < 6 || *framelen > SBNI_MAX_FRAME - 3 ) return 0; value = inb( ioaddr + DAT ); *frameno = (u32)value; crc = CRC32( value, crc ); crc = CRC32( inb( ioaddr + DAT ), crc ); /* reserved byte */ *framelen -= 2; *crc_p = crc; return 1; } static struct sk_buff * get_rx_buf( struct net_device *dev ) { /* +2 is to compensate for the alignment fixup below */ struct sk_buff *skb = dev_alloc_skb( ETHER_MAX_LEN + 2 ); if( !skb ) return NULL; #ifdef CONFIG_SBNI_MULTILINE skb->dev = ((struct net_local *) dev->priv)->master; #else skb->dev = dev; #endif skb_reserve( skb, 2 ); /* Align IP on longword boundaries */ return skb; } static void indicate_pkt( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; struct sk_buff *skb = nl->rx_buf_p; skb_put( skb, nl->inppos ); #ifdef CONFIG_SBNI_MULTILINE skb->protocol = eth_type_trans( skb, nl->master ); netif_rx( skb ); dev->last_rx = jiffies; ++((struct net_local *) nl->master->priv)->stats.rx_packets; ((struct net_local *) nl->master->priv)->stats.rx_bytes += nl->inppos; #else skb->protocol = eth_type_trans( skb, dev ); netif_rx( skb ); dev->last_rx = jiffies; ++nl->stats.rx_packets; nl->stats.rx_bytes += nl->inppos; #endif nl->rx_buf_p = NULL; /* protocol driver will clear this sk_buff */ } /* -------------------------------------------------------------------------- */ /* * Routine checks periodically wire activity and regenerates marker if * connect was inactive for a long time. */ static void sbni_watchdog( unsigned long arg ) { struct net_device *dev = (struct net_device *) arg; struct net_local *nl = (struct net_local *) dev->priv; struct timer_list *w = &nl->watchdog; unsigned long flags; unsigned char csr0; spin_lock_irqsave( &nl->lock, flags ); csr0 = inb( dev->base_addr + CSR0 ); if( csr0 & RC_CHK ) { if( nl->timer_ticks ) { if( csr0 & (RC_RDY | BU_EMP) ) /* receiving not active */ nl->timer_ticks--; } else { nl->in_stats.timeout_number++; if( nl->delta_rxl ) timeout_change_level( dev ); outb( *(u_char *)&nl->csr1 | PR_RES, dev->base_addr + CSR1 ); csr0 = inb( dev->base_addr + CSR0 ); } } else nl->state &= ~FL_LINE_DOWN; outb( csr0 | RC_CHK, dev->base_addr + CSR0 ); init_timer( w ); w->expires = jiffies + SBNI_TIMEOUT; w->data = arg; w->function = sbni_watchdog; add_timer( w ); spin_unlock_irqrestore( &nl->lock, flags ); } static unsigned char rxl_tab[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08, 0x0a, 0x0c, 0x0f, 0x16, 0x18, 0x1a, 0x1c, 0x1f }; #define SIZE_OF_TIMEOUT_RXL_TAB 4 static unsigned char timeout_rxl_tab[] = { 0x03, 0x05, 0x08, 0x0b }; /* -------------------------------------------------------------------------- */ static void card_start( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; nl->timer_ticks = CHANGE_LEVEL_START_TICKS; nl->state &= ~(FL_WAIT_ACK | FL_NEED_RESEND); nl->state |= FL_PREV_OK; nl->inppos = nl->outpos = 0; nl->wait_frameno = 0; nl->tx_frameno = 0; nl->framelen = 0; outb( *(u_char *)&nl->csr1 | PR_RES, dev->base_addr + CSR1 ); outb( EN_INT, dev->base_addr + CSR0 ); } /* -------------------------------------------------------------------------- */ /* Receive level auto-selection */ static void change_level( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; if( nl->delta_rxl == 0 ) /* do not auto-negotiate RxL */ return; if( nl->cur_rxl_index == 0 ) nl->delta_rxl = 1; else if( nl->cur_rxl_index == 15 ) nl->delta_rxl = -1; else if( nl->cur_rxl_rcvd < nl->prev_rxl_rcvd ) nl->delta_rxl = -nl->delta_rxl; nl->csr1.rxl = rxl_tab[ nl->cur_rxl_index += nl->delta_rxl ]; inb( dev->base_addr + CSR0 ); /* needs for PCI cards */ outb( *(u8 *)&nl->csr1, dev->base_addr + CSR1 ); nl->prev_rxl_rcvd = nl->cur_rxl_rcvd; nl->cur_rxl_rcvd = 0; } static void timeout_change_level( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; nl->cur_rxl_index = timeout_rxl_tab[ nl->timeout_rxl ]; if( ++nl->timeout_rxl >= 4 ) nl->timeout_rxl = 0; nl->csr1.rxl = rxl_tab[ nl->cur_rxl_index ]; inb( dev->base_addr + CSR0 ); outb( *(unsigned char *)&nl->csr1, dev->base_addr + CSR1 ); nl->prev_rxl_rcvd = nl->cur_rxl_rcvd; nl->cur_rxl_rcvd = 0; } /* -------------------------------------------------------------------------- */ /* * Open/initialize the board. */ static int sbni_open( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; struct timer_list *w = &nl->watchdog; /* * For double ISA adapters within "common irq" mode, we have to * determine whether primary or secondary channel is initialized, * and set the irq handler only in first case. */ if( dev->base_addr < 0x400 ) { /* ISA only */ struct net_device **p = sbni_cards; for( ; *p && p < sbni_cards + SBNI_MAX_NUM_CARDS; ++p ) if( (*p)->irq == dev->irq && ((*p)->base_addr == dev->base_addr + 4 || (*p)->base_addr == dev->base_addr - 4) && (*p)->flags & IFF_UP ) { ((struct net_local *) ((*p)->priv)) ->second = dev; printk( KERN_NOTICE "%s: using shared irq " "with %s\n", dev->name, (*p)->name ); nl->state |= FL_SECONDARY; goto handler_attached; } } if( request_irq(dev->irq, sbni_interrupt, SA_SHIRQ, dev->name, dev) ) { printk( KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq ); return -EAGAIN; } handler_attached: spin_lock( &nl->lock ); memset( &nl->stats, 0, sizeof(struct net_device_stats) ); memset( &nl->in_stats, 0, sizeof(struct sbni_in_stats) ); card_start( dev ); netif_start_queue( dev ); /* set timer watchdog */ init_timer( w ); w->expires = jiffies + SBNI_TIMEOUT; w->data = (unsigned long) dev; w->function = sbni_watchdog; add_timer( w ); spin_unlock( &nl->lock ); return 0; } static int sbni_close( struct net_device *dev ) { struct net_local *nl = (struct net_local *) dev->priv; if( nl->second && nl->second->flags & IFF_UP ) { printk( KERN_NOTICE "Secondary channel (%s) is active!\n", nl->second->name ); return -EBUSY; } #ifdef CONFIG_SBNI_MULTILINE if( nl->state & FL_SLAVE ) emancipate( dev ); else while( nl->link ) /* it's master device! */ emancipate( nl->link ); #endif spin_lock( &nl->lock ); nl->second = NULL; drop_xmit_queue( dev ); netif_stop_queue( dev ); del_timer( &nl->watchdog ); outb( 0, dev->base_addr + CSR0 ); if( !(nl->state & FL_SECONDARY) ) free_irq( dev->irq, dev ); nl->state &= FL_SECONDARY; spin_unlock( &nl->lock ); return 0; } /* Valid combinations in CSR0 (for probing): VALID_DECODER 0000,0011,1011,1010 ; 0 ; - TR_REQ ; 1 ; + TR_RDY ; 2 ; - TR_RDY TR_REQ ; 3 ; + BU_EMP ; 4 ; + BU_EMP TR_REQ ; 5 ; + BU_EMP TR_RDY ; 6 ; - BU_EMP TR_RDY TR_REQ ; 7 ; + RC_RDY ; 8 ; + RC_RDY TR_REQ ; 9 ; + RC_RDY TR_RDY ; 10 ; - RC_RDY TR_RDY TR_REQ ; 11 ; - RC_RDY BU_EMP ; 12 ; - RC_RDY BU_EMP TR_REQ ; 13 ; - RC_RDY BU_EMP TR_RDY ; 14 ; - RC_RDY BU_EMP TR_RDY TR_REQ ; 15 ; - */ #define VALID_DECODER (2 + 8 + 0x10 + 0x20 + 0x80 + 0x100 + 0x200) static int sbni_card_probe( unsigned long ioaddr ) { unsigned char csr0; csr0 = inb( ioaddr + CSR0 ); if( csr0 != 0xff && csr0 != 0x00 ) { csr0 &= ~EN_INT; if( csr0 & BU_EMP ) csr0 |= EN_INT; if( VALID_DECODER & (1 << (csr0 >> 4)) ) return 0; } return -ENODEV; } /* -------------------------------------------------------------------------- */ static int sbni_ioctl( struct net_device *dev, struct ifreq *ifr, int cmd ) { struct net_local *nl = (struct net_local *) dev->priv; struct sbni_flags flags; int error = 0; #ifdef CONFIG_SBNI_MULTILINE struct net_device *slave_dev; char slave_name[ 8 ]; #endif switch( cmd ) { case SIOCDEVGETINSTATS : error = verify_area( VERIFY_WRITE, ifr->ifr_data, sizeof(struct sbni_in_stats) ); if( !error ) copy_to_user( ifr->ifr_data, &nl->in_stats, sizeof(struct sbni_in_stats) ); break; case SIOCDEVRESINSTATS : if( current->euid != 0 ) /* root only */ return -EPERM; memset( &nl->in_stats, 0, sizeof(struct sbni_in_stats) ); break; case SIOCDEVGHWSTATE : flags.mac_addr = *(u32 *)(dev->dev_addr + 3); flags.rate = nl->csr1.rate; flags.slow_mode = (nl->state & FL_SLOW_MODE) != 0; flags.rxl = nl->cur_rxl_index; flags.fixed_rxl = nl->delta_rxl == 0; error = verify_area( VERIFY_WRITE, ifr->ifr_data, sizeof flags ); if( !error ) copy_to_user( ifr->ifr_data, &flags, sizeof flags ); break; case SIOCDEVSHWSTATE : if( current->euid != 0 ) /* root only */ return -EPERM; spin_lock( &nl->lock ); flags = *(struct sbni_flags*) &ifr->ifr_data; if( flags.fixed_rxl ) nl->delta_rxl = 0, nl->cur_rxl_index = flags.rxl; 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; outb( *(u8 *)&nl->csr1 | PR_RES, dev->base_addr + CSR1 ); spin_unlock( &nl->lock ); break; #ifdef CONFIG_SBNI_MULTILINE case SIOCDEVENSLAVE : if( current->euid != 0 ) /* root only */ return -EPERM; if( (error = verify_area( VERIFY_READ, ifr->ifr_data, sizeof slave_name )) != 0 ) return error; copy_from_user( slave_name, ifr->ifr_data, sizeof slave_name ); slave_dev = dev_get_by_name( slave_name ); if( !slave_dev || !(slave_dev->flags & IFF_UP) ) { printk( KERN_ERR "%s: trying to enslave non-active " "device %s\n", dev->name, slave_name ); return -EPERM; } return enslave( dev, slave_dev ); case SIOCDEVEMANSIPATE : if( current->euid != 0 ) /* root only */ return -EPERM; return emancipate( dev ); #endif /* CONFIG_SBNI_MULTILINE */ default : return -EOPNOTSUPP; } return error; } #ifdef CONFIG_SBNI_MULTILINE static int enslave( struct net_device *dev, struct net_device *slave_dev ) { struct net_local *nl = (struct net_local *) dev->priv; struct net_local *snl = (struct net_local *) slave_dev->priv; if( nl->state & FL_SLAVE ) /* This isn't master or free device */ return -EBUSY; if( snl->state & FL_SLAVE ) /* That was already enslaved */ return -EBUSY; spin_lock( &nl->lock ); spin_lock( &snl->lock ); /* append to list */ snl->link = nl->link; nl->link = slave_dev; snl->master = dev; snl->state |= FL_SLAVE; /* Summary statistics of MultiLine operation will be stored in master's counters */ memset( &snl->stats, 0, sizeof(struct net_device_stats) ); netif_stop_queue( slave_dev ); netif_wake_queue( dev ); /* Now we are able to transmit */ spin_unlock( &snl->lock ); spin_unlock( &nl->lock ); printk( KERN_NOTICE "%s: slave device (%s) attached.\n", dev->name, slave_dev->name ); return 0; } static int emancipate( struct net_device *dev ) { struct net_local *snl = (struct net_local *) dev->priv; struct net_device *p = snl->master; struct net_local *nl = (struct net_local *) p->priv; if( !(snl->state & FL_SLAVE) ) return -EINVAL; spin_lock( &nl->lock ); spin_lock( &snl->lock ); drop_xmit_queue( dev ); /* exclude from list */ for(;;) { /* must be in list */ struct net_local *t = (struct net_local *) p->priv; if( t->link == dev ) { t->link = snl->link; break; } p = t->link; } snl->link = NULL; snl->master = dev; snl->state &= ~FL_SLAVE; netif_start_queue( dev ); spin_unlock( &snl->lock ); spin_unlock( &nl->lock ); dev_put( dev ); return 0; } #endif static struct net_device_stats * sbni_get_stats( struct net_device *dev ) { return &((struct net_local *) dev->priv)->stats; } static void set_multicast_list( struct net_device *dev ) { return; /* sbni always operate in promiscuos mode */ } #ifdef MODULE MODULE_PARM( io, "1-" __MODULE_STRING( SBNI_MAX_NUM_CARDS ) "i" ); MODULE_PARM( irq, "1-" __MODULE_STRING( SBNI_MAX_NUM_CARDS ) "i" ); MODULE_PARM( baud, "1-" __MODULE_STRING( SBNI_MAX_NUM_CARDS ) "i" ); MODULE_PARM( rxl, "1-" __MODULE_STRING( SBNI_MAX_NUM_CARDS ) "i" ); MODULE_PARM( mac, "1-" __MODULE_STRING( SBNI_MAX_NUM_CARDS ) "i" ); MODULE_PARM( skip_pci_probe, "i" ); MODULE_LICENSE("GPL"); int init_module( void ) { struct net_device *dev; while( num < SBNI_MAX_NUM_CARDS ) { if( !(dev = kmalloc(sizeof(struct net_device), GFP_KERNEL)) ){ printk( KERN_ERR "sbni: unable to allocate device!\n" ); return -ENOMEM; } memset( dev, 0, sizeof(struct net_device) ); sprintf( dev->name, "sbni%d", num ); dev->init = sbni_probe; if( register_netdev( dev ) ) { kfree( dev ); break; } } return *sbni_cards ? 0 : -ENODEV; } void cleanup_module( void ) { struct net_device *dev; int num; /* No need to check MOD_IN_USE, as sys_delete_module( ) checks. */ for( num = 0; num < SBNI_MAX_NUM_CARDS; ++num ) if( (dev = sbni_cards[ num ]) != NULL ) { unregister_netdev( dev ); release_region( dev->base_addr, SBNI_IO_EXTENT ); kfree( dev->priv ); kfree( dev ); } } #else /* MODULE */ static int __init sbni_setup( char *p ) { int n, parm; if( *p++ != '(' ) goto bad_param; for( n = 0, parm = 0; *p && n < 8; ) { (*dest[ parm ])[ n ] = simple_strtol( p, &p, 0 ); if( !*p || *p == ')' ) return 1; if( *p == ';' ) ++p, ++n, parm = 0; else if( *p++ != ',' ) break; else if( ++parm >= 5 ) break; } bad_param: printk( KERN_ERR "Error in sbni kernel parameter!\n" ); return 0; } __setup( "sbni=", sbni_setup ); #endif /* MODULE */ /* -------------------------------------------------------------------------- */ #ifdef ASM_CRC static u32 calc_crc32( u32 crc, u8 *p, u32 len ) { register u32 _crc __asm ( "ax" ); _crc = crc; __asm __volatile ( "xorl %%ebx, %%ebx\n" "movl %1, %%esi\n" "movl %2, %%ecx\n" "movl $crc32tab, %%edi\n" "shrl $2, %%ecx\n" "jz 1f\n" ".align 4\n" "0:\n" "movb %%al, %%bl\n" "movl (%%esi), %%edx\n" "shrl $8, %%eax\n" "xorb %%dl, %%bl\n" "shrl $8, %%edx\n" "xorl (%%edi,%%ebx,4), %%eax\n" "movb %%al, %%bl\n" "shrl $8, %%eax\n" "xorb %%dl, %%bl\n" "shrl $8, %%edx\n" "xorl (%%edi,%%ebx,4), %%eax\n" "movb %%al, %%bl\n" "shrl $8, %%eax\n" "xorb %%dl, %%bl\n" "movb %%dh, %%dl\n" "xorl (%%edi,%%ebx,4), %%eax\n" "movb %%al, %%bl\n" "shrl $8, %%eax\n" "xorb %%dl, %%bl\n" "addl $4, %%esi\n" "xorl (%%edi,%%ebx,4), %%eax\n" "decl %%ecx\n" "jnz 0b\n" "1:\n" "movl %2, %%ecx\n" "andl $3, %%ecx\n" "jz 2f\n" "movb %%al, %%bl\n" "shrl $8, %%eax\n" "xorb (%%esi), %%bl\n" "xorl (%%edi,%%ebx,4), %%eax\n" "decl %%ecx\n" "jz 2f\n" "movb %%al, %%bl\n" "shrl $8, %%eax\n" "xorb 1(%%esi), %%bl\n" "xorl (%%edi,%%ebx,4), %%eax\n" "decl %%ecx\n" "jz 2f\n" "movb %%al, %%bl\n" "shrl $8, %%eax\n" "xorb 2(%%esi), %%bl\n" "xorl (%%edi,%%ebx,4), %%eax\n" "2:\n" : : "a" (_crc), "g" (p), "g" (len) : "ax", "bx", "cx", "dx", "si", "di" ); return _crc; } #else /* ASM_CRC */ static u32 calc_crc32( u32 crc, u8 *p, u32 len ) { while( len-- ) crc = CRC32( *p++, crc ); return crc; } #endif /* ASM_CRC */ static u32 crc32tab[] __attribute__ ((aligned(8))) = { 0xD202EF8D, 0xA505DF1B, 0x3C0C8EA1, 0x4B0BBE37, 0xD56F2B94, 0xA2681B02, 0x3B614AB8, 0x4C667A2E, 0xDCD967BF, 0xABDE5729, 0x32D70693, 0x45D03605, 0xDBB4A3A6, 0xACB39330, 0x35BAC28A, 0x42BDF21C, 0xCFB5FFE9, 0xB8B2CF7F, 0x21BB9EC5, 0x56BCAE53, 0xC8D83BF0, 0xBFDF0B66, 0x26D65ADC, 0x51D16A4A, 0xC16E77DB, 0xB669474D, 0x2F6016F7, 0x58672661, 0xC603B3C2, 0xB1048354, 0x280DD2EE, 0x5F0AE278, 0xE96CCF45, 0x9E6BFFD3, 0x0762AE69, 0x70659EFF, 0xEE010B5C, 0x99063BCA, 0x000F6A70, 0x77085AE6, 0xE7B74777, 0x90B077E1, 0x09B9265B, 0x7EBE16CD, 0xE0DA836E, 0x97DDB3F8, 0x0ED4E242, 0x79D3D2D4, 0xF4DBDF21, 0x83DCEFB7, 0x1AD5BE0D, 0x6DD28E9B, 0xF3B61B38, 0x84B12BAE, 0x1DB87A14, 0x6ABF4A82, 0xFA005713, 0x8D076785, 0x140E363F, 0x630906A9, 0xFD6D930A, 0x8A6AA39C, 0x1363F226, 0x6464C2B0, 0xA4DEAE1D, 0xD3D99E8B, 0x4AD0CF31, 0x3DD7FFA7, 0xA3B36A04, 0xD4B45A92, 0x4DBD0B28, 0x3ABA3BBE, 0xAA05262F, 0xDD0216B9, 0x440B4703, 0x330C7795, 0xAD68E236, 0xDA6FD2A0, 0x4366831A, 0x3461B38C, 0xB969BE79, 0xCE6E8EEF, 0x5767DF55, 0x2060EFC3, 0xBE047A60, 0xC9034AF6, 0x500A1B4C, 0x270D2BDA, 0xB7B2364B, 0xC0B506DD, 0x59BC5767, 0x2EBB67F1, 0xB0DFF252, 0xC7D8C2C4, 0x5ED1937E, 0x29D6A3E8, 0x9FB08ED5, 0xE8B7BE43, 0x71BEEFF9, 0x06B9DF6F, 0x98DD4ACC, 0xEFDA7A5A, 0x76D32BE0, 0x01D41B76, 0x916B06E7, 0xE66C3671, 0x7F6567CB, 0x0862575D, 0x9606C2FE, 0xE101F268, 0x7808A3D2, 0x0F0F9344, 0x82079EB1, 0xF500AE27, 0x6C09FF9D, 0x1B0ECF0B, 0x856A5AA8, 0xF26D6A3E, 0x6B643B84, 0x1C630B12, 0x8CDC1683, 0xFBDB2615, 0x62D277AF, 0x15D54739, 0x8BB1D29A, 0xFCB6E20C, 0x65BFB3B6, 0x12B88320, 0x3FBA6CAD, 0x48BD5C3B, 0xD1B40D81, 0xA6B33D17, 0x38D7A8B4, 0x4FD09822, 0xD6D9C998, 0xA1DEF90E, 0x3161E49F, 0x4666D409, 0xDF6F85B3, 0xA868B525, 0x360C2086, 0x410B1010, 0xD80241AA, 0xAF05713C, 0x220D7CC9, 0x550A4C5F, 0xCC031DE5, 0xBB042D73, 0x2560B8D0, 0x52678846, 0xCB6ED9FC, 0xBC69E96A, 0x2CD6F4FB, 0x5BD1C46D, 0xC2D895D7, 0xB5DFA541, 0x2BBB30E2, 0x5CBC0074, 0xC5B551CE, 0xB2B26158, 0x04D44C65, 0x73D37CF3, 0xEADA2D49, 0x9DDD1DDF, 0x03B9887C, 0x74BEB8EA, 0xEDB7E950, 0x9AB0D9C6, 0x0A0FC457, 0x7D08F4C1, 0xE401A57B, 0x930695ED, 0x0D62004E, 0x7A6530D8, 0xE36C6162, 0x946B51F4, 0x19635C01, 0x6E646C97, 0xF76D3D2D, 0x806A0DBB, 0x1E0E9818, 0x6909A88E, 0xF000F934, 0x8707C9A2, 0x17B8D433, 0x60BFE4A5, 0xF9B6B51F, 0x8EB18589, 0x10D5102A, 0x67D220BC, 0xFEDB7106, 0x89DC4190, 0x49662D3D, 0x3E611DAB, 0xA7684C11, 0xD06F7C87, 0x4E0BE924, 0x390CD9B2, 0xA0058808, 0xD702B89E, 0x47BDA50F, 0x30BA9599, 0xA9B3C423, 0xDEB4F4B5, 0x40D06116, 0x37D75180, 0xAEDE003A, 0xD9D930AC, 0x54D13D59, 0x23D60DCF, 0xBADF5C75, 0xCDD86CE3, 0x53BCF940, 0x24BBC9D6, 0xBDB2986C, 0xCAB5A8FA, 0x5A0AB56B, 0x2D0D85FD, 0xB404D447, 0xC303E4D1, 0x5D677172, 0x2A6041E4, 0xB369105E, 0xC46E20C8, 0x72080DF5, 0x050F3D63, 0x9C066CD9, 0xEB015C4F, 0x7565C9EC, 0x0262F97A, 0x9B6BA8C0, 0xEC6C9856, 0x7CD385C7, 0x0BD4B551, 0x92DDE4EB, 0xE5DAD47D, 0x7BBE41DE, 0x0CB97148, 0x95B020F2, 0xE2B71064, 0x6FBF1D91, 0x18B82D07, 0x81B17CBD, 0xF6B64C2B, 0x68D2D988, 0x1FD5E91E, 0x86DCB8A4, 0xF1DB8832, 0x616495A3, 0x1663A535, 0x8F6AF48F, 0xF86DC419, 0x660951BA, 0x110E612C, 0x88073096, 0xFF000000 }; 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