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[PATCH] e1000: Cleaned up code and removed hard coded numbers

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Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Jeff Kirsher 2006-01-12 16:51:34 -08:00 committed by Jeff Garzik
parent a292ca6efb
commit 8241e35e0c
1 changed files with 21 additions and 13 deletions
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34
drivers/net/e1000/e1000_main.c
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@ -1920,12 +1920,10 @@ e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
buffer_info->dma,
buffer_info->length,
PCI_DMA_TODEVICE);
buffer_info->dma = 0;
}
if(buffer_info->skb) {
if (buffer_info->skb)
dev_kfree_skb_any(buffer_info->skb);
buffer_info->skb = NULL;
}
memset(buffer_info, 0, sizeof(struct e1000_buffer));
}
/**
@ -2044,8 +2042,6 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter,
for(i = 0; i < rx_ring->count; i++) {
buffer_info = &rx_ring->buffer_info[i];
if(buffer_info->skb) {
ps_page = &rx_ring->ps_page[i];
ps_page_dma = &rx_ring->ps_page_dma[i];
pci_unmap_single(pdev,
buffer_info->dma,
buffer_info->length,
@ -2543,11 +2539,11 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
if (++i == tx_ring->count) i = 0;
tx_ring->next_to_use = i;
return 1;
return TRUE;
}
#endif
return 0;
return FALSE;
}
static inline boolean_t
@ -3383,7 +3379,19 @@ e1000_clean(struct net_device *poll_dev, int *budget)
BUG();
}
tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]);
if (likely(adapter->num_tx_queues == 1)) {
/* e1000_clean is called per-cpu. This lock protects
* tx_ring[0] from being cleaned by multiple cpus
* simultaneously. A failure obtaining the lock means
* tx_ring[0] is currently being cleaned anyway. */
if (spin_trylock(&adapter->tx_queue_lock)) {
tx_cleaned = e1000_clean_tx_irq(adapter,
&adapter->tx_ring[0]);
spin_unlock(&adapter->tx_queue_lock);
}
} else
tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[i]);
adapter->clean_rx(adapter, &adapter->rx_ring[i],
&work_done, work_to_do);
@ -3428,11 +3436,11 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter,
buffer_info = &tx_ring->buffer_info[i];
cleaned = (i == eop);
#ifdef CONFIG_E1000_MQ
tx_ring->tx_stats.bytes += buffer_info->length;
#endif
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
tx_desc->buffer_addr = 0;
tx_desc->lower.data = 0;
tx_desc->upper.data = 0;
memset(tx_desc, 0, sizeof(struct e1000_tx_desc));
if(unlikely(++i == tx_ring->count)) i = 0;
}