diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/rx_common.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/rx_common.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/rx_common.h b/drivers/net/ethernet/sfc/rx_common.h index 8b23a7accea1..aa6aeafbc439 100644 --- a/drivers/net/ethernet/sfc/rx_common.h +++ b/drivers/net/ethernet/sfc/rx_common.h @@ -18,8 +18,34 @@ #define EFX_RX_MAX_FRAGS DIV_ROUND_UP(EFX_MAX_FRAME_LEN(EFX_MAX_MTU), \ EFX_RX_USR_BUF_SIZE) +static inline u8 *efx_rx_buf_va(struct efx_rx_buffer *buf) +{ + return page_address(buf->page) + buf->page_offset; +} + +static inline u32 efx_rx_buf_hash(struct efx_nic *efx, const u8 *eh) +{ +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) + return __le32_to_cpup((const __le32 *)(eh + efx->rx_packet_hash_offset)); +#else + const u8 *data = eh + efx->rx_packet_hash_offset; + + return (u32)data[0] | + (u32)data[1] << 8 | + (u32)data[2] << 16 | + (u32)data[3] << 24; +#endif +} + void efx_rx_slow_fill(struct timer_list *t); +void efx_recycle_rx_pages(struct efx_channel *channel, + struct efx_rx_buffer *rx_buf, + unsigned int n_frags); +void efx_discard_rx_packet(struct efx_channel *channel, + struct efx_rx_buffer *rx_buf, + unsigned int n_frags); + int efx_probe_rx_queue(struct efx_rx_queue *rx_queue); void efx_init_rx_queue(struct efx_rx_queue *rx_queue); void efx_fini_rx_queue(struct efx_rx_queue *rx_queue); @@ -39,4 +65,7 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); void efx_rx_config_page_split(struct efx_nic *efx); void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, bool atomic); +void +efx_rx_packet_gro(struct efx_channel *channel, struct efx_rx_buffer *rx_buf, + unsigned int n_frags, u8 *eh); #endif |