Commit 80a0074e authored by Edward Cree's avatar Edward Cree Committed by David S. Miller
Browse files

sfc: commonise efx_sync_rx_buffer() 



The ef100 RX path will also need to DMA-sync RX buffers.

Signed-off-by: default avatarEdward Cree <ecree@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f7e55550

drivers/net/ethernet/sfc/rx.c

+0 −8
Original line number Diff line number Diff line
@@ -40,14 +40,6 @@ 
#define EFX_RX_MAX_FRAGS DIV_ROUND_UP(EFX_MAX_FRAME_LEN(EFX_MAX_MTU), \

				      EFX_RX_USR_BUF_SIZE)



static inline void efx_sync_rx_buffer(struct efx_nic *efx,

				      struct efx_rx_buffer *rx_buf,

				      unsigned int len)

{

	dma_sync_single_for_cpu(&efx->pci_dev->dev, rx_buf->dma_addr, len,

				DMA_FROM_DEVICE);

}



static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,

				     struct efx_rx_buffer *rx_buf,

				     int len)

drivers/net/ethernet/sfc/rx_common.h

+9 −0
Original line number Diff line number Diff line
@@ -57,6 +57,15 @@ void efx_init_rx_buffer(struct efx_rx_queue *rx_queue, 
			unsigned int page_offset,

			u16 flags);

void efx_unmap_rx_buffer(struct efx_nic *efx, struct efx_rx_buffer *rx_buf);



static inline void efx_sync_rx_buffer(struct efx_nic *efx,

				      struct efx_rx_buffer *rx_buf,

				      unsigned int len)

{

	dma_sync_single_for_cpu(&efx->pci_dev->dev, rx_buf->dma_addr, len,

				DMA_FROM_DEVICE);

}



void efx_free_rx_buffers(struct efx_rx_queue *rx_queue,

			 struct efx_rx_buffer *rx_buf,

			 unsigned int num_bufs);

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