diff options
| author |   Edward Cree <ecree@solarflare.com> | 2020-06-30 13:11:52 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-06-30 13:09:09 -0700 |
| commit | 80a0074e6aee3657784744ed66ca2c0cc918ecf8 (patch) | |
| tree | 54e6700d6b8be92ac85f408d661ed681aaca0f1d /drivers/net/ethernet/sfc/rx_common.h | |
| parent | sfc: commonise some MAC configuration code (diff) | |
| download | wireguard-linux-80a0074e6aee3657784744ed66ca2c0cc918ecf8.tar.xz wireguard-linux-80a0074e6aee3657784744ed66ca2c0cc918ecf8.zip | |
sfc: commonise efx_sync_rx_buffer()
The ef100 RX path will also need to DMA-sync RX buffers.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/rx_common.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/rx_common.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/rx_common.h b/drivers/net/ethernet/sfc/rx_common.h index 1672d74f30e2..207ccd8ba062 100644 --- a/drivers/net/ethernet/sfc/rx_common.h +++ b/drivers/net/ethernet/sfc/rx_common.h @@ -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); |