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igb trivial annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Al Viro
2008-03-16 22:23:24 +00:00
committed by Jeff Garzik
parent 7deb07b1be
commit 6d8126f988
3 changed files with 72 additions and 69 deletions
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17
drivers/net/igb/igb_main.c
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@@ -3254,6 +3254,13 @@ quit_polling:
return 1;
}
static inline u32 get_head(struct igb_ring *tx_ring)
{
void *end = (struct e1000_tx_desc *)tx_ring->desc + tx_ring->count;
return le32_to_cpu(*(volatile __le32 *)end);
}
/**
* igb_clean_tx_irq - Reclaim resources after transmit completes
* @adapter: board private structure
@@ -3275,9 +3282,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter,
unsigned int total_bytes = 0, total_packets = 0;
rmb();
head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc
+ tx_ring->count);
head = le32_to_cpu(head);
head = get_head(tx_ring);
i = tx_ring->next_to_clean;
while (1) {
while (i != head) {
@@ -3312,9 +3317,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter,
}
oldhead = head;
rmb();
head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc
+ tx_ring->count);
head = le32_to_cpu(head);
head = get_head(tx_ring);
if (head == oldhead)
goto done_cleaning;
} /* while (1) */
@@ -3388,7 +3391,7 @@ done_cleaning:
* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
* @skb: pointer to sk_buff to be indicated to stack
**/
static void igb_receive_skb(struct igb_adapter *adapter, u8 status, u16 vlan,
static void igb_receive_skb(struct igb_adapter *adapter, u8 status, __le16 vlan,
struct sk_buff *skb)
{
if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))