diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve.h')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index bd684c7d996a..dd92949bb214 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -13,6 +13,7 @@ #include <linux/netdevice.h> #include <linux/pci.h> #include <linux/u64_stats_sync.h> +#include <net/page_pool/helpers.h> #include <net/xdp.h> #include "gve_desc.h" @@ -60,6 +61,8 @@ #define GVE_DEFAULT_RX_BUFFER_OFFSET 2048 +#define GVE_PAGE_POOL_SIZE_MULTIPLIER 4 + #define GVE_FLOW_RULES_CACHE_SIZE \ (GVE_ADMINQ_BUFFER_SIZE / sizeof(struct gve_adminq_queried_flow_rule)) #define GVE_FLOW_RULE_IDS_CACHE_SIZE \ @@ -102,6 +105,7 @@ struct gve_rx_slot_page_info { struct page *page; void *page_address; u32 page_offset; /* offset to write to in page */ + unsigned int buf_size; int pagecnt_bias; /* expected pagecnt if only the driver has a ref */ u16 pad; /* adjustment for rx padding */ u8 can_flip; /* tracks if the networking stack is using the page */ @@ -273,6 +277,8 @@ struct gve_rx_ring { /* Address info of the buffers for header-split */ struct gve_header_buf hdr_bufs; + + struct page_pool *page_pool; } dqo; }; @@ -1176,10 +1182,22 @@ struct gve_rx_buf_state_dqo *gve_dequeue_buf_state(struct gve_rx_ring *rx, void gve_enqueue_buf_state(struct gve_rx_ring *rx, struct gve_index_list *list, struct gve_rx_buf_state_dqo *buf_state); struct gve_rx_buf_state_dqo *gve_get_recycled_buf_state(struct gve_rx_ring *rx); -int gve_alloc_page_dqo(struct gve_rx_ring *rx, - struct gve_rx_buf_state_dqo *buf_state); void gve_try_recycle_buf(struct gve_priv *priv, struct gve_rx_ring *rx, struct gve_rx_buf_state_dqo *buf_state); +void gve_free_to_page_pool(struct gve_rx_ring *rx, + struct gve_rx_buf_state_dqo *buf_state, + bool allow_direct); +int gve_alloc_qpl_page_dqo(struct gve_rx_ring *rx, + struct gve_rx_buf_state_dqo *buf_state); +void gve_free_qpl_page_dqo(struct gve_rx_buf_state_dqo *buf_state); +void gve_reuse_buffer(struct gve_rx_ring *rx, + struct gve_rx_buf_state_dqo *buf_state); +void gve_free_buffer(struct gve_rx_ring *rx, + struct gve_rx_buf_state_dqo *buf_state); +int gve_alloc_buffer(struct gve_rx_ring *rx, struct gve_rx_desc_dqo *desc); +struct page_pool *gve_rx_create_page_pool(struct gve_priv *priv, + struct gve_rx_ring *rx); + /* Reset */ void gve_schedule_reset(struct gve_priv *priv); int gve_reset(struct gve_priv *priv, bool attempt_teardown); |