205     const Slice tunPacket(buf, readlen);  in handlePacket()  local
206     if (auto result = validatePacket(tunPacket); !result.ok()) {  in handlePacket()
212     if (auto result = translatePacket(tunPacket); !result.ok()) {  in handlePacket()
220 Result<void> TunForwarder::validatePacket(Slice tunPacket) const {  in validatePacket()
221     if (tunPacket.size() < TUN_HDRLEN) {  in validatePacket()
225     const tun_pi* const tunHeader = reinterpret_cast<tun_pi*>(tunPacket.base());  in validatePacket()
232             return validateIpv4Packet(drop(tunPacket, TUN_HDRLEN));  in validatePacket()
234             return validateIpv6Packet(drop(tunPacket, TUN_HDRLEN));  in validatePacket()
313 Result<void> TunForwarder::translatePacket(Slice tunPacket) const {  in translatePacket()
314     const tun_pi* const tunHeader = reinterpret_cast<tun_pi*>(tunPacket.base());  in translatePacket()
317             return translateIpv4Packet(drop(tunPacket, TUN_HDRLEN));  in translatePacket()
319             return translateIpv6Packet(drop(tunPacket, TUN_HDRLEN));  in translatePacket()