diff options
Diffstat (limited to 'include/net/xsk_buff_pool.h')
| -rw-r--r-- | include/net/xsk_buff_pool.h | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h index 356d0ac74eba..38d03a64c9ea 100644 --- a/include/net/xsk_buff_pool.h +++ b/include/net/xsk_buff_pool.h @@ -39,9 +39,22 @@ struct xsk_dma_map { }; struct xsk_buff_pool { - struct xsk_queue *fq; - struct xsk_queue *cq; + /* Members only used in the control path first. */ + struct device *dev; + struct net_device *netdev; + struct list_head xsk_tx_list; + /* Protects modifications to the xsk_tx_list */ + spinlock_t xsk_tx_list_lock; + refcount_t users; + struct xdp_umem *umem; + struct work_struct work; struct list_head free_list; + u32 heads_cnt; + u16 queue_id; + + /* Data path members as close to free_heads at the end as possible. */ + struct xsk_queue *fq ____cacheline_aligned_in_smp; + struct xsk_queue *cq; /* For performance reasons, each buff pool has its own array of dma_pages * even when they are identical. */ @@ -51,25 +64,15 @@ struct xsk_buff_pool { u64 addrs_cnt; u32 free_list_cnt; u32 dma_pages_cnt; - u32 heads_cnt; u32 free_heads_cnt; u32 headroom; u32 chunk_size; u32 frame_len; - u16 queue_id; u8 cached_need_wakeup; bool uses_need_wakeup; bool dma_need_sync; bool unaligned; - struct xdp_umem *umem; void *addrs; - struct device *dev; - struct net_device *netdev; - struct list_head xsk_tx_list; - /* Protects modifications to the xsk_tx_list */ - spinlock_t xsk_tx_list_lock; - refcount_t users; - struct work_struct work; struct xdp_buff_xsk *free_heads[]; }; |