NETMAP_BUF_BASE
if (addr == NETMAP_BUF_BASE(na)) {
if (addr == NETMAP_BUF_BASE(na)) /* bad buf */
if (addr == NETMAP_BUF_BASE(na)) { /* bad buf */
if (addr == NETMAP_BUF_BASE(kring->na)) { /* bad buf */
if (nmaddr == NETMAP_BUF_BASE(na)) { /* Bad buffer */
if (_a == NETMAP_BUF_BASE(_na) || _l > NETMAP_BUF_SIZE(_na)) { \
buf = ft[ft_i].ft_buf = NETMAP_BUF_BASE(&na->up);
if (addr == NETMAP_BUF_BASE(na)) /* bad buf */