X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fdev%2Fethertap.cc;h=85d6370beefd8c0f43359176bcf5766efa533055;hb=35a85a4e86143c5bf23d5b74c14856792a0a624c;hp=81b84d179b551a9aa448b7c48e474e1f5e0fd0a6;hpb=a874cb40ab9f22612b0609cbac2c739daebacbd5;p=gem5.git diff --git a/src/dev/ethertap.cc b/src/dev/ethertap.cc index 81b84d179..85d6370be 100644 --- a/src/dev/ethertap.cc +++ b/src/dev/ethertap.cc @@ -130,6 +130,9 @@ EtherTap::EtherTap(const Params *p) : EtherObject(p), event(NULL), socket(-1), buflen(p->bufsz), dump(p->dump), interface(NULL), txEvent(this) { + if (ListenSocket::allDisabled()) + fatal("All listeners are disabled! EtherTap can't work!"); + buffer = new char[buflen]; listener = new TapListener(this, p->port); listener->listen(); @@ -179,8 +182,12 @@ EtherTap::recvPacket(EthPacketPtr packet) DPRINTF(Ethernet, "EtherTap output len=%d\n", packet->length); DDUMP(EthernetData, packet->data, packet->length); uint32_t len = htonl(packet->length); - write(socket, &len, sizeof(len)); - write(socket, packet->data, packet->length); + ssize_t ret = write(socket, &len, sizeof(len)); + if (ret != sizeof(len)) + return false; + ret = write(socket, packet->data, packet->length); + if (ret != packet->length) + return false; interface->recvDone(); @@ -239,7 +246,7 @@ EtherTap::process(int revent) DPRINTF(Ethernet, "bus busy...buffer for retransmission\n"); packetBuffer.push(packet); if (!txEvent.scheduled()) - txEvent.schedule(curTick + retryTime); + schedule(txEvent, curTick + retryTime); } else if (dump) { dump->dump(packet); } @@ -262,7 +269,7 @@ EtherTap::retransmit() } if (!packetBuffer.empty() && !txEvent.scheduled()) - txEvent.schedule(curTick + retryTime); + schedule(txEvent, curTick + retryTime); } EtherInt*