diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/net_driver.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index e41b54bada7c..370c5bcebad9 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -264,12 +264,22 @@ struct efx_rx_page_state { * @notified_count: Number of buffers given to NIC (<= @added_count). * @removed_count: Number of buffers removed from the receive queue. * @scatter_n: Number of buffers used by current packet + * @page_ring: The ring to store DMA mapped pages for reuse. + * @page_add: Counter to calculate the write pointer for the recycle ring. + * @page_remove: Counter to calculate the read pointer for the recycle ring. + * @page_recycle_count: The number of pages that have been recycled. + * @page_recycle_failed: The number of pages that couldn't be recycled because + * the kernel still held a reference to them. + * @page_recycle_full: The number of pages that were released because the + * recycle ring was full. + * @page_ptr_mask: The number of pages in the RX recycle ring minus 1. * @max_fill: RX descriptor maximum fill level (<= ring size) * @fast_fill_trigger: RX descriptor fill level that will trigger a fast fill * (<= @max_fill) * @min_fill: RX descriptor minimum non-zero fill level. * This records the minimum fill level observed when a ring * refill was triggered. + * @recycle_count: RX buffer recycle counter. * @slow_fill: Timer used to defer efx_nic_generate_fill_event(). */ struct efx_rx_queue { @@ -285,10 +295,18 @@ struct efx_rx_queue { unsigned int notified_count; unsigned int removed_count; unsigned int scatter_n; + struct page **page_ring; + unsigned int page_add; + unsigned int page_remove; + unsigned int page_recycle_count; + unsigned int page_recycle_failed; + unsigned int page_recycle_full; + unsigned int page_ptr_mask; unsigned int max_fill; unsigned int fast_fill_trigger; unsigned int min_fill; unsigned int min_overfill; + unsigned int recycle_count; struct timer_list slow_fill; unsigned int slow_fill_count; }; @@ -806,6 +824,7 @@ struct efx_nic { unsigned int rx_dma_len; unsigned int rx_buffer_order; unsigned int rx_buffer_truesize; + unsigned int rx_bufs_per_page; u8 rx_hash_key[40]; u32 rx_indir_table[128]; bool rx_scatter; |