diff --git a/include/uapi/linux/if_xdp.h b/include/uapi/linux/if_xdp.h index 80245f5..73a47da 100644 --- a/include/uapi/linux/if_xdp.h +++ b/include/uapi/linux/if_xdp.h @@ -25,6 +25,12 @@ * application. */ #define XDP_USE_NEED_WAKEUP (1 << 3) +/* By setting this option, userspace application indicates that it can + * handle multiple descriptors per packet thus enabling xsk core to split + * multi-buffer XDP frames into multiple Rx descriptors. Without this set + * such frames will be dropped by xsk. + */ +#define XDP_USE_SG (1 << 4) /* Flags for xsk_umem_config flags */ #define XDP_UMEM_UNALIGNED_CHUNK_FLAG (1 << 0)