diff options
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/uapi/linux/if_xdp.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/if_xdp.h b/tools/include/uapi/linux/if_xdp.h index faaa5ca2a117..62b80d57b72a 100644 --- a/tools/include/uapi/linux/if_xdp.h +++ b/tools/include/uapi/linux/if_xdp.h @@ -16,6 +16,15 @@ #define XDP_SHARED_UMEM (1 << 0) #define XDP_COPY (1 << 1) /* Force copy-mode */ #define XDP_ZEROCOPY (1 << 2) /* Force zero-copy mode */ +/* If this option is set, the driver might go sleep and in that case + * the XDP_RING_NEED_WAKEUP flag in the fill and/or Tx rings will be + * set. If it is set, the application need to explicitly wake up the + * driver with a poll() (Rx and Tx) or sendto() (Tx only). If you are + * running the driver and the application on the same core, you should + * use this option so that the kernel will yield to the user space + * application. + */ +#define XDP_USE_NEED_WAKEUP (1 << 3) struct sockaddr_xdp { __u16 sxdp_family; @@ -25,10 +34,14 @@ struct sockaddr_xdp { __u32 sxdp_shared_umem_fd; }; +/* XDP_RING flags */ +#define XDP_RING_NEED_WAKEUP (1 << 0) + struct xdp_ring_offset { __u64 producer; __u64 consumer; __u64 desc; + __u64 flags; }; struct xdp_mmap_offsets { |