diff options
Diffstat (limited to 'include/net/xdp_sock.h')
| -rw-r--r-- | include/net/xdp_sock.h | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h index 7a647c56ec15..9fe472f2ac95 100644 --- a/include/net/xdp_sock.h +++ b/include/net/xdp_sock.h @@ -6,12 +6,46 @@ #ifndef _LINUX_XDP_SOCK_H #define _LINUX_XDP_SOCK_H +#include <linux/workqueue.h> +#include <linux/if_xdp.h> #include <linux/mutex.h> +#include <linux/spinlock.h> +#include <linux/mm.h> #include <net/sock.h> struct net_device; struct xsk_queue; -struct xdp_umem; + +struct xdp_umem_props { + u64 chunk_mask; + u64 size; +}; + +struct xdp_umem_page { + void *addr; + dma_addr_t dma; +}; + +struct xdp_umem { + struct xsk_queue *fq; + struct xsk_queue *cq; + struct xdp_umem_page *pages; + struct xdp_umem_props props; + u32 headroom; + u32 chunk_size_nohr; + struct user_struct *user; + struct pid *pid; + unsigned long address; + refcount_t users; + struct work_struct work; + struct page **pgs; + u32 npgs; + struct net_device *dev; + u16 queue_id; + bool zc; + spinlock_t xsk_list_lock; + struct list_head xsk_list; +}; struct xdp_sock { /* struct sock must be the first member of struct xdp_sock */ @@ -22,6 +56,8 @@ struct xdp_sock { struct list_head flush_node; u16 queue_id; struct xsk_queue *tx ____cacheline_aligned_in_smp; + struct list_head list; + bool zc; /* Protects multiple processes in the control path */ struct mutex mutex; u64 rx_dropped; @@ -33,6 +69,12 @@ int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp); int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp); void xsk_flush(struct xdp_sock *xs); bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs); +/* Used from netdev driver */ +u64 *xsk_umem_peek_addr(struct xdp_umem *umem, u64 *addr); +void xsk_umem_discard_addr(struct xdp_umem *umem); +void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries); +bool xsk_umem_consume_tx(struct xdp_umem *umem, dma_addr_t *dma, u32 *len); +void xsk_umem_consume_tx_done(struct xdp_umem *umem); #else static inline int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp) { |