X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fa2065.c;h=f142cc21e453dfddceabee7bd669171977622ed2;hb=e854df613fe934c94a0b39eccb4104e72ccbbded;hp=519390c033c3728ac6070ab543a1fec0d29e2086;hpb=6ab3d5624e172c553004ecc862bfeac16d9d68b7;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c index 519390c..f142cc2 100644 --- a/drivers/net/a2065.c +++ b/drivers/net/a2065.c @@ -46,7 +46,6 @@ #include #include #include -#include #include #include #include @@ -93,7 +92,7 @@ struct lance_init_block { unsigned short rx_len; /* receive len and high addr */ unsigned short tx_ptr; /* transmit descriptor addr */ unsigned short tx_len; /* transmit len and high addr */ - + /* The Tx and Rx ring entries must aligned on 8-byte boundaries. */ struct lance_rx_desc brx_ring[RX_RING_SIZE]; struct lance_tx_desc btx_ring[TX_RING_SIZE]; @@ -115,11 +114,10 @@ struct lance_private { int rx_new, tx_new; int rx_old, tx_old; - + int lance_log_rx_bufs, lance_log_tx_bufs; int rx_ring_mod_mask, tx_ring_mod_mask; - struct net_device_stats stats; int tpe; /* cable-selection is TPE */ int auto_select; /* cable-selection by carrier */ unsigned short busmaster_regval; @@ -190,7 +188,7 @@ static void lance_init_ring (struct net_device *dev) if (ZERO) printk(KERN_DEBUG "TX rings:\n"); - + /* Setup the Tx ring entries */ for (i = 0; i <= (1<lance_log_tx_bufs); i++) { leptr = LANCE_ADDR(&aib->tx_buf[i][0]); @@ -219,14 +217,14 @@ static void lance_init_ring (struct net_device *dev) } /* Setup the initialization block */ - + /* Setup rx descriptor pointer */ leptr = LANCE_ADDR(&aib->brx_ring); ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16); ib->rx_ptr = leptr; if (ZERO) printk(KERN_DEBUG "RX ptr: %8.8x\n", leptr); - + /* Setup tx descriptor pointer */ leptr = LANCE_ADDR(&aib->btx_ring); ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16); @@ -270,8 +268,6 @@ static int lance_rx (struct net_device *dev) volatile struct lance_regs *ll = lp->ll; volatile struct lance_rx_desc *rd; unsigned char bits; - int len = 0; /* XXX shut up gcc warnings */ - struct sk_buff *skb = 0; /* XXX shut up gcc warnings */ #ifdef TEST_HITS int i; @@ -286,7 +282,7 @@ static int lance_rx (struct net_device *dev) } printk ("]\n"); #endif - + ll->rdp = LE_C0_RINT|LE_C0_INEA; for (rd = &ib->brx_ring [lp->rx_new]; !((bits = rd->rmd1_bits) & LE_R1_OWN); @@ -294,43 +290,41 @@ static int lance_rx (struct net_device *dev) /* We got an incomplete frame? */ if ((bits & LE_R1_POK) != LE_R1_POK) { - lp->stats.rx_over_errors++; - lp->stats.rx_errors++; + dev->stats.rx_over_errors++; + dev->stats.rx_errors++; continue; } else if (bits & LE_R1_ERR) { /* Count only the end frame as a rx error, * not the beginning */ - if (bits & LE_R1_BUF) lp->stats.rx_fifo_errors++; - if (bits & LE_R1_CRC) lp->stats.rx_crc_errors++; - if (bits & LE_R1_OFL) lp->stats.rx_over_errors++; - if (bits & LE_R1_FRA) lp->stats.rx_frame_errors++; - if (bits & LE_R1_EOP) lp->stats.rx_errors++; + if (bits & LE_R1_BUF) dev->stats.rx_fifo_errors++; + if (bits & LE_R1_CRC) dev->stats.rx_crc_errors++; + if (bits & LE_R1_OFL) dev->stats.rx_over_errors++; + if (bits & LE_R1_FRA) dev->stats.rx_frame_errors++; + if (bits & LE_R1_EOP) dev->stats.rx_errors++; } else { - len = (rd->mblength & 0xfff) - 4; - skb = dev_alloc_skb (len+2); + int len = (rd->mblength & 0xfff) - 4; + struct sk_buff *skb = dev_alloc_skb (len+2); - if (skb == 0) { + if (!skb) { printk(KERN_WARNING "%s: Memory squeeze, " "deferring packet.\n", dev->name); - lp->stats.rx_dropped++; + dev->stats.rx_dropped++; rd->mblength = 0; rd->rmd1_bits = LE_R1_OWN; lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask; return 0; } - - skb->dev = dev; + skb_reserve (skb, 2); /* 16 byte align */ skb_put (skb, len); /* make room */ - eth_copy_and_sum(skb, + skb_copy_to_linear_data(skb, (unsigned char *)&(ib->rx_buf [lp->rx_new][0]), - len, 0); + len); skb->protocol = eth_type_trans (skb, dev); netif_rx (skb); - dev->last_rx = jiffies; - lp->stats.rx_packets++; - lp->stats.rx_bytes += len; + dev->stats.rx_packets++; + dev->stats.rx_bytes += len; } /* Return the packet to the pool */ @@ -361,16 +355,16 @@ static int lance_tx (struct net_device *dev) /* If we hit a packet not owned by us, stop */ if (td->tmd1_bits & LE_T1_OWN) break; - + if (td->tmd1_bits & LE_T1_ERR) { status = td->misc; - - lp->stats.tx_errors++; - if (status & LE_T3_RTY) lp->stats.tx_aborted_errors++; - if (status & LE_T3_LCOL) lp->stats.tx_window_errors++; + + dev->stats.tx_errors++; + if (status & LE_T3_RTY) dev->stats.tx_aborted_errors++; + if (status & LE_T3_LCOL) dev->stats.tx_window_errors++; if (status & LE_T3_CLOS) { - lp->stats.tx_carrier_errors++; + dev->stats.tx_carrier_errors++; if (lp->auto_select) { lp->tpe = 1 - lp->tpe; printk(KERN_ERR "%s: Carrier Lost, " @@ -389,7 +383,7 @@ static int lance_tx (struct net_device *dev) /* buffer errors and underflows turn off the transmitter */ /* Restart the adapter */ if (status & (LE_T3_BUF|LE_T3_UFL)) { - lp->stats.tx_fifo_errors++; + dev->stats.tx_fifo_errors++; printk(KERN_ERR "%s: Tx: ERR_BUF|ERR_UFL, " "restarting\n", dev->name); @@ -409,15 +403,15 @@ static int lance_tx (struct net_device *dev) /* One collision before packet was sent. */ if (td->tmd1_bits & LE_T1_EONE) - lp->stats.collisions++; + dev->stats.collisions++; /* More than one collision, be optimistic. */ if (td->tmd1_bits & LE_T1_EMORE) - lp->stats.collisions += 2; + dev->stats.collisions += 2; - lp->stats.tx_packets++; + dev->stats.tx_packets++; } - + j = (j + 1) & lp->tx_ring_mod_mask; } lp->tx_old = j; @@ -425,8 +419,7 @@ static int lance_tx (struct net_device *dev) return 0; } -static irqreturn_t -lance_interrupt (int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t lance_interrupt (int irq, void *dev_id) { struct net_device *dev; struct lance_private *lp; @@ -452,7 +445,7 @@ lance_interrupt (int irq, void *dev_id, struct pt_regs *regs) /* Clear the error condition */ ll->rdp = LE_C0_BABL|LE_C0_ERR|LE_C0_MISS|LE_C0_INEA; } - + if (csr0 & LE_C0_RINT) lance_rx (dev); @@ -461,9 +454,9 @@ lance_interrupt (int irq, void *dev_id, struct pt_regs *regs) /* Log misc errors. */ if (csr0 & LE_C0_BABL) - lp->stats.tx_errors++; /* Tx babble. */ + dev->stats.tx_errors++; /* Tx babble. */ if (csr0 & LE_C0_MISS) - lp->stats.rx_errors++; /* Missed a Rx frame. */ + dev->stats.rx_errors++; /* Missed a Rx frame. */ if (csr0 & LE_C0_MERR) { printk(KERN_ERR "%s: Bus master arbitration failure, status " "%4.4x.\n", dev->name, csr0); @@ -480,22 +473,18 @@ lance_interrupt (int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; } -struct net_device *last_dev = 0; - static int lance_open (struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); volatile struct lance_regs *ll = lp->ll; int ret; - last_dev = dev; - /* Stop the Lance */ ll->rap = LE_CSR0; ll->rdp = LE_C0_STOP; /* Install the Interrupt handler */ - ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, SA_SHIRQ, + ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, IRQF_SHARED, dev->name, dev); if (ret) return ret; @@ -528,7 +517,7 @@ static inline int lance_reset (struct net_device *dev) struct lance_private *lp = netdev_priv(dev); volatile struct lance_regs *ll = lp->ll; int status; - + /* Stop the lance */ ll->rap = LE_CSR0; ll->rdp = LE_C0_STOP; @@ -536,7 +525,7 @@ static inline int lance_reset (struct net_device *dev) load_csrs (lp); lance_init_ring (dev); - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ netif_start_queue(dev); status = init_restart_lance (lp); @@ -557,94 +546,67 @@ static void lance_tx_timeout(struct net_device *dev) netif_wake_queue(dev); } -static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) +static netdev_tx_t lance_start_xmit (struct sk_buff *skb, + struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); volatile struct lance_regs *ll = lp->ll; volatile struct lance_init_block *ib = lp->init_block; - int entry, skblen, len; - int status = 0; - static int outs; + int entry, skblen; + int status = NETDEV_TX_OK; unsigned long flags; - skblen = skb->len; - len = skblen; - - if (len < ETH_ZLEN) { - len = ETH_ZLEN; - if (skb_padto(skb, ETH_ZLEN)) - return 0; - } + if (skb_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + skblen = max_t(unsigned, skb->len, ETH_ZLEN); local_irq_save(flags); if (!TX_BUFFS_AVAIL){ local_irq_restore(flags); - return -1; + return NETDEV_TX_LOCKED; } #ifdef DEBUG_DRIVER /* dump the packet */ - { - int i; - - for (i = 0; i < 64; i++) { - if ((i % 16) == 0) - printk("\n" KERN_DEBUG); - printk ("%2.2x ", skb->data [i]); - } - printk("\n"); - } + print_hex_dump(KERN_DEBUG, "skb->data: ", DUMP_PREFIX_NONE, + 16, 1, skb->data, 64, true); #endif entry = lp->tx_new & lp->tx_ring_mod_mask; - ib->btx_ring [entry].length = (-len) | 0xf000; + ib->btx_ring [entry].length = (-skblen) | 0xf000; ib->btx_ring [entry].misc = 0; - - memcpy ((char *)&ib->tx_buf [entry][0], skb->data, skblen); - /* Clear the slack of the packet, do I need this? */ - if (len != skblen) - memset ((char *) &ib->tx_buf [entry][skblen], 0, len - skblen); - + skb_copy_from_linear_data(skb, (void *)&ib->tx_buf [entry][0], skblen); + /* Now, give the packet to the lance */ ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN); lp->tx_new = (lp->tx_new+1) & lp->tx_ring_mod_mask; - - outs++; + dev->stats.tx_bytes += skblen; if (TX_BUFFS_AVAIL <= 0) netif_stop_queue(dev); /* Kick the lance: transmit now */ ll->rdp = LE_C0_INEA | LE_C0_TDMD; - dev->trans_start = jiffies; dev_kfree_skb (skb); - + local_irq_restore(flags); return status; } -static struct net_device_stats *lance_get_stats (struct net_device *dev) -{ - struct lance_private *lp = netdev_priv(dev); - - return &lp->stats; -} - /* taken from the depca driver */ static void lance_load_multicast (struct net_device *dev) { struct lance_private *lp = netdev_priv(dev); volatile struct lance_init_block *ib = lp->init_block; volatile u16 *mcast_table = (u16 *)&ib->filter; - struct dev_mc_list *dmi=dev->mc_list; + struct netdev_hw_addr *ha; char *addrs; - int i; u32 crc; - + /* set all multicast bits */ - if (dev->flags & IFF_ALLMULTI){ + if (dev->flags & IFF_ALLMULTI){ ib->filter [0] = 0xffffffff; ib->filter [1] = 0xffffffff; return; @@ -654,19 +616,17 @@ static void lance_load_multicast (struct net_device *dev) ib->filter [1] = 0; /* Add addresses */ - for (i = 0; i < dev->mc_count; i++){ - addrs = dmi->dmi_addr; - dmi = dmi->next; + netdev_for_each_mc_addr(ha, dev) { + addrs = ha->addr; /* multicast address? */ if (!(*addrs & 1)) continue; - + crc = ether_crc_le(6, addrs); crc = crc >> 26; mcast_table [crc >> 4] |= 1 << (crc & 0xf); } - return; } static void lance_set_multicast (struct net_device *dev) @@ -712,6 +672,7 @@ static struct zorro_device_id a2065_zorro_tbl[] __devinitdata = { { ZORRO_PROD_AMERISTAR_A2065 }, { 0 } }; +MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl); static struct zorro_driver a2065_driver = { .name = "a2065", @@ -720,6 +681,17 @@ static struct zorro_driver a2065_driver = { .remove = __devexit_p(a2065_remove_one), }; +static const struct net_device_ops lance_netdev_ops = { + .ndo_open = lance_open, + .ndo_stop = lance_close, + .ndo_start_xmit = lance_start_xmit, + .ndo_tx_timeout = lance_tx_timeout, + .ndo_set_multicast_list = lance_set_multicast, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, +}; + static int __devinit a2065_init_one(struct zorro_dev *z, const struct zorro_device_id *ent) { @@ -750,7 +722,6 @@ static int __devinit a2065_init_one(struct zorro_dev *z, return -ENOMEM; } - SET_MODULE_OWNER(dev); priv = netdev_priv(dev); r1->name = dev->name; @@ -782,13 +753,8 @@ static int __devinit a2065_init_one(struct zorro_dev *z, priv->rx_ring_mod_mask = RX_RING_MOD_MASK; priv->tx_ring_mod_mask = TX_RING_MOD_MASK; - dev->open = &lance_open; - dev->stop = &lance_close; - dev->hard_start_xmit = &lance_start_xmit; - dev->tx_timeout = &lance_tx_timeout; + dev->netdev_ops = &lance_netdev_ops; dev->watchdog_timeo = 5*HZ; - dev->get_stats = &lance_get_stats; - dev->set_multicast_list = &lance_set_multicast; dev->dma = 0; init_timer(&priv->multicast_timer); @@ -806,9 +772,7 @@ static int __devinit a2065_init_one(struct zorro_dev *z, zorro_set_drvdata(z, dev); printk(KERN_INFO "%s: A2065 at 0x%08lx, Ethernet Address " - "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, board, - dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2], - dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]); + "%pM\n", dev->name, board, dev->dev_addr); return 0; }