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yaml
---
r: 300261
b: refs/heads/master
c: 3ab77bf
h: refs/heads/master
i:
  300259: 679b190
v: v3
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Eric Dumazet authored and David S. Miller committed May 15, 2012
1 parent 819b85d commit 17e9284
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Showing 3 changed files with 12 additions and 17 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4e6304b8420aba5311ba21fd68dab2924ae4d91a
refs/heads/master: 3ab77bf271e6a41512e366dfa5110edb981ed1d3
2 changes: 0 additions & 2 deletions trunk/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
Original file line number Diff line number Diff line change
Expand Up @@ -584,7 +584,6 @@ struct pch_gbe_hw_stats {
/**
* struct pch_gbe_adapter - board specific private data structure
* @stats_lock: Spinlock structure for status
* @tx_queue_lock: Spinlock structure for transmit
* @ethtool_lock: Spinlock structure for ethtool
* @irq_sem: Semaphore for interrupt
* @netdev: Pointer of network device structure
Expand All @@ -609,7 +608,6 @@ struct pch_gbe_hw_stats {

struct pch_gbe_adapter {
spinlock_t stats_lock;
spinlock_t tx_queue_lock;
spinlock_t ethtool_lock;
atomic_t irq_sem;
struct net_device *netdev;
Expand Down
25 changes: 11 additions & 14 deletions trunk/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -640,14 +640,11 @@ static void pch_gbe_mac_set_pause_packet(struct pch_gbe_hw *hw)
*/
static int pch_gbe_alloc_queues(struct pch_gbe_adapter *adapter)
{
int size;

size = (int)sizeof(struct pch_gbe_tx_ring);
adapter->tx_ring = kzalloc(size, GFP_KERNEL);
adapter->tx_ring = kzalloc(sizeof(*adapter->tx_ring), GFP_KERNEL);
if (!adapter->tx_ring)
return -ENOMEM;
size = (int)sizeof(struct pch_gbe_rx_ring);
adapter->rx_ring = kzalloc(size, GFP_KERNEL);

adapter->rx_ring = kzalloc(sizeof(*adapter->rx_ring), GFP_KERNEL);
if (!adapter->rx_ring) {
kfree(adapter->tx_ring);
return -ENOMEM;
Expand Down Expand Up @@ -1162,7 +1159,6 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter,
struct sk_buff *tmp_skb;
unsigned int frame_ctrl;
unsigned int ring_num;
unsigned long flags;

/*-- Set frame control --*/
frame_ctrl = 0;
Expand Down Expand Up @@ -1211,14 +1207,14 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter,
}
}
}
spin_lock_irqsave(&tx_ring->tx_lock, flags);

ring_num = tx_ring->next_to_use;
if (unlikely((ring_num + 1) == tx_ring->count))
tx_ring->next_to_use = 0;
else
tx_ring->next_to_use = ring_num + 1;

spin_unlock_irqrestore(&tx_ring->tx_lock, flags);

buffer_info = &tx_ring->buffer_info[ring_num];
tmp_skb = buffer_info->skb;

Expand Down Expand Up @@ -1518,7 +1514,7 @@ pch_gbe_alloc_rx_buffers_pool(struct pch_gbe_adapter *adapter,
&rx_ring->rx_buff_pool_logic,
GFP_KERNEL);
if (!rx_ring->rx_buff_pool) {
pr_err("Unable to allocate memory for the receive poll buffer\n");
pr_err("Unable to allocate memory for the receive pool buffer\n");
return -ENOMEM;
}
memset(rx_ring->rx_buff_pool, 0, size);
Expand Down Expand Up @@ -1637,15 +1633,17 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
pr_debug("called pch_gbe_unmap_and_free_tx_resource() %d count\n",
cleaned_count);
/* Recover from running out of Tx resources in xmit_frame */
spin_lock(&tx_ring->tx_lock);
if (unlikely(cleaned && (netif_queue_stopped(adapter->netdev)))) {
netif_wake_queue(adapter->netdev);
adapter->stats.tx_restart_count++;
pr_debug("Tx wake queue\n");
}
spin_lock(&adapter->tx_queue_lock);

tx_ring->next_to_clean = i;
spin_unlock(&adapter->tx_queue_lock);

pr_debug("next_to_clean : %d\n", tx_ring->next_to_clean);
spin_unlock(&tx_ring->tx_lock);
return cleaned;
}

Expand Down Expand Up @@ -2037,7 +2035,6 @@ static int pch_gbe_sw_init(struct pch_gbe_adapter *adapter)
return -ENOMEM;
}
spin_lock_init(&adapter->hw.miim_lock);
spin_lock_init(&adapter->tx_queue_lock);
spin_lock_init(&adapter->stats_lock);
spin_lock_init(&adapter->ethtool_lock);
atomic_set(&adapter->irq_sem, 0);
Expand Down Expand Up @@ -2142,10 +2139,10 @@ static int pch_gbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
tx_ring->next_to_use, tx_ring->next_to_clean);
return NETDEV_TX_BUSY;
}
spin_unlock_irqrestore(&tx_ring->tx_lock, flags);

/* CRC,ITAG no support */
pch_gbe_tx_queue(adapter, tx_ring, skb);
spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
return NETDEV_TX_OK;
}

Expand Down

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