diff options
Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r-- | drivers/net/gianfar.c | 100 |
1 files changed, 21 insertions, 79 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 1be4a84dce0..b666a0cc064 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -10,6 +10,7 @@ * Maintainer: Kumar Gala * * Copyright (c) 2002-2006 Freescale Semiconductor, Inc. + * Copyright (c) 2007 MontaVista Software, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -941,18 +942,18 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb) /* Tell the controller what the protocol is */ /* And provide the already calculated phcs */ - if (skb->nh.iph->protocol == IPPROTO_UDP) { + if (ip_hdr(skb)->protocol == IPPROTO_UDP) { flags |= TXFCB_UDP; - fcb->phcs = skb->h.uh->check; + fcb->phcs = udp_hdr(skb)->check; } else - fcb->phcs = skb->h.th->check; + fcb->phcs = udp_hdr(skb)->check; /* l3os is the distance between the start of the * frame (skb->data) and the start of the IP hdr. * l4os is the distance between the start of the * l3 hdr and the l4 hdr */ - fcb->l3os = (u16)(skb->nh.raw - skb->data - GMAC_FCB_LEN); - fcb->l4os = (u16)(skb->h.raw - skb->nh.raw); + fcb->l3os = (u16)(skb_network_offset(skb) - GMAC_FCB_LEN); + fcb->l4os = skb_network_header_len(skb); fcb->flags = flags; } @@ -1131,8 +1132,7 @@ static void gfar_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid) spin_lock_irqsave(&priv->rxlock, flags); - if (priv->vlgrp) - priv->vlgrp->vlan_devices[vid] = NULL; + vlan_group_set_device(priv->vlgrp, vid, NULL); spin_unlock_irqrestore(&priv->rxlock, flags); } @@ -1295,8 +1295,6 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp) */ skb_reserve(skb, alignamount); - skb->dev = dev; - bdp->bufPtr = dma_map_single(NULL, skb->data, priv->rx_buffer_size, DMA_FROM_DEVICE); @@ -1612,71 +1610,17 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id) /* Save ievent for future reference */ u32 events = gfar_read(&priv->regs->ievent); - /* Clear IEVENT */ - gfar_write(&priv->regs->ievent, events); - /* Check for reception */ - if ((events & IEVENT_RXF0) || (events & IEVENT_RXB0)) + if (events & IEVENT_RX_MASK) gfar_receive(irq, dev_id); /* Check for transmit completion */ - if ((events & IEVENT_TXF) || (events & IEVENT_TXB)) + if (events & IEVENT_TX_MASK) gfar_transmit(irq, dev_id); - /* Update error statistics */ - if (events & IEVENT_TXE) { - priv->stats.tx_errors++; - - if (events & IEVENT_LC) - priv->stats.tx_window_errors++; - if (events & IEVENT_CRL) - priv->stats.tx_aborted_errors++; - if (events & IEVENT_XFUN) { - if (netif_msg_tx_err(priv)) - printk(KERN_WARNING "%s: tx underrun. dropped packet\n", dev->name); - priv->stats.tx_dropped++; - priv->extra_stats.tx_underrun++; - - /* Reactivate the Tx Queues */ - gfar_write(&priv->regs->tstat, TSTAT_CLEAR_THALT); - } - } - if (events & IEVENT_BSY) { - priv->stats.rx_errors++; - priv->extra_stats.rx_bsy++; - - gfar_receive(irq, dev_id); - -#ifndef CONFIG_GFAR_NAPI - /* Clear the halt bit in RSTAT */ - gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT); -#endif - - if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: busy error (rhalt: %x)\n", - dev->name, - gfar_read(&priv->regs->rstat)); - } - if (events & IEVENT_BABR) { - priv->stats.rx_errors++; - priv->extra_stats.rx_babr++; - - if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: babbling error\n", dev->name); - } - if (events & IEVENT_EBERR) { - priv->extra_stats.eberr++; - if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: EBERR\n", dev->name); - } - if ((events & IEVENT_RXC) && (netif_msg_rx_err(priv))) - printk(KERN_DEBUG "%s: control frame\n", dev->name); - - if (events & IEVENT_BABT) { - priv->extra_stats.tx_babt++; - if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: babt error\n", dev->name); - } + /* Check for errors */ + if (events & IEVENT_ERR_MASK) + gfar_error(irq, dev_id); return IRQ_HANDLED; } @@ -1938,7 +1882,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id) /* Hmm... */ if (netif_msg_rx_err(priv) || netif_msg_tx_err(priv)) printk(KERN_DEBUG "%s: error interrupt (ievent=0x%08x imask=0x%08x)\n", - dev->name, events, gfar_read(&priv->regs->imask)); + dev->name, events, gfar_read(&priv->regs->imask)); /* Update the error counters */ if (events & IEVENT_TXE) { @@ -1950,8 +1894,8 @@ static irqreturn_t gfar_error(int irq, void *dev_id) priv->stats.tx_aborted_errors++; if (events & IEVENT_XFUN) { if (netif_msg_tx_err(priv)) - printk(KERN_DEBUG "%s: underrun. packet dropped.\n", - dev->name); + printk(KERN_DEBUG "%s: TX FIFO underrun, " + "packet dropped.\n", dev->name); priv->stats.tx_dropped++; priv->extra_stats.tx_underrun++; @@ -1973,30 +1917,28 @@ static irqreturn_t gfar_error(int irq, void *dev_id) #endif if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: busy error (rhalt: %x)\n", - dev->name, - gfar_read(&priv->regs->rstat)); + printk(KERN_DEBUG "%s: busy error (rstat: %x)\n", + dev->name, gfar_read(&priv->regs->rstat)); } if (events & IEVENT_BABR) { priv->stats.rx_errors++; priv->extra_stats.rx_babr++; if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: babbling error\n", dev->name); + printk(KERN_DEBUG "%s: babbling RX error\n", dev->name); } if (events & IEVENT_EBERR) { priv->extra_stats.eberr++; if (netif_msg_rx_err(priv)) - printk(KERN_DEBUG "%s: EBERR\n", dev->name); + printk(KERN_DEBUG "%s: bus error\n", dev->name); } if ((events & IEVENT_RXC) && netif_msg_rx_status(priv)) - if (netif_msg_rx_status(priv)) - printk(KERN_DEBUG "%s: control frame\n", dev->name); + printk(KERN_DEBUG "%s: control frame\n", dev->name); if (events & IEVENT_BABT) { priv->extra_stats.tx_babt++; if (netif_msg_tx_err(priv)) - printk(KERN_DEBUG "%s: babt error\n", dev->name); + printk(KERN_DEBUG "%s: babbling TX error\n", dev->name); } return IRQ_HANDLED; } |