XDP_COPY
if (flags & ~(XDP_SHARED_UMEM | XDP_COPY | XDP_ZEROCOPY |
if ((flags & XDP_COPY) || (flags & XDP_ZEROCOPY) ||
force_copy = flags & XDP_COPY;
flags = umem->zc ? XDP_ZEROCOPY : XDP_COPY;
ifobj->bind_flags |= XDP_COPY;
.bind_flags = XDP_COPY,
bind_flags |= XDP_COPY;