XSK_UMEM__MAX_FRAME_SIZE
{0, XSK_UMEM__MAX_FRAME_SIZE, 0, true, XDP_PKT_CONTD},
{0, XSK_UMEM__MAX_FRAME_SIZE, 0, true, 0},
return testapp_adjust_tail(test, -XSK_UMEM__MAX_FRAME_SIZE, XSK_UMEM__LARGE_FRAME_SIZE * 2);
return testapp_adjust_tail(test, (XSK_UMEM__MAX_FRAME_SIZE / 2) - 1,