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sfc: Remove redundant efx_xmit() function

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-11-23 16:07:05 +00:00 committed by David S. Miller
parent 9bc183d7f9
commit 497f5ba323
3 changed files with 8 additions and 25 deletions
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5
drivers/net/sfc/efx.h
View File

@ -23,9 +23,8 @@
#define EFX_MEM_BAR 2
/* TX */
extern netdev_tx_t efx_xmit(struct efx_nic *efx,
struct efx_tx_queue *tx_queue,
struct sk_buff *skb);
extern netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
struct sk_buff *skb);
extern void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index);
extern void efx_stop_queue(struct efx_nic *efx);
extern void efx_wake_queue(struct efx_nic *efx);

2
drivers/net/sfc/selftest.c
View File

@ -425,7 +425,7 @@ static int efx_begin_loopback(struct efx_tx_queue *tx_queue)
if (efx_dev_registered(efx))
netif_tx_lock_bh(efx->net_dev);
rc = efx_xmit(efx, tx_queue, skb);
rc = efx_enqueue_skb(tx_queue, skb);
if (efx_dev_registered(efx))
netif_tx_unlock_bh(efx->net_dev);

26
drivers/net/sfc/tx.c
View File

@ -152,11 +152,13 @@ efx_max_tx_len(struct efx_nic *efx, dma_addr_t dma_addr)
* If any DMA mapping fails, any mapped fragments will be unmapped,
* the queue's insert pointer will be restored to its original value.
*
* This function is split out from efx_hard_start_xmit to allow the
* loopback test to direct packets via specific TX queues.
*
* Returns NETDEV_TX_OK or NETDEV_TX_BUSY
* You must hold netif_tx_lock() to call this function.
*/
static netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue,
struct sk_buff *skb)
netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
{
struct efx_nic *efx = tx_queue->efx;
struct pci_dev *pci_dev = efx->pci_dev;
@ -352,24 +354,6 @@ static void efx_dequeue_buffers(struct efx_tx_queue *tx_queue,
}
}
/* Initiate a packet transmission on the specified TX queue.
* Note that returning anything other than NETDEV_TX_OK will cause the
* OS to free the skb.
*
* This function is split out from efx_hard_start_xmit to allow the
* loopback test to direct packets via specific TX queues. It is
* therefore a non-static inline, so as not to penalise performance
* for non-loopback transmissions.
*
* Context: netif_tx_lock held
*/
inline netdev_tx_t efx_xmit(struct efx_nic *efx,
struct efx_tx_queue *tx_queue, struct sk_buff *skb)
{
/* Map fragments for DMA and add to TX queue */
return efx_enqueue_skb(tx_queue, skb);
}
/* Initiate a packet transmission. We use one channel per CPU
* (sharing when we have more CPUs than channels). On Falcon, the TX
* completion events will be directed back to the CPU that transmitted
@ -393,7 +377,7 @@ netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb,
else
tx_queue = &efx->tx_queue[EFX_TX_QUEUE_NO_CSUM];
return efx_xmit(efx, tx_queue, skb);
return efx_enqueue_skb(tx_queue, skb);
}
void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)