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- EthIntf: automatically discard packets if link is down

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This commit is contained in:
Wiesner András 2024-05-01 18:28:24 +02:00
parent 7af522335d
commit 2e11cc00e9
1 changed files with 8 additions and 1 deletions
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9
eth_interface.c
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@ -138,7 +138,14 @@ void ethinf_receive(EthInterface *intf, const RawPckt *rawPckt) {
} }
void ethinf_transmit(EthInterface *intf, const RawPckt *rawPckt) { void ethinf_transmit(EthInterface *intf, const RawPckt *rawPckt) {
if (mq_push(intf->txQ, rawPckt)) { // push packet onto the message queue // if link is down, discard packets
if (!ethinf_get_link_state(intf)) {
dynmem_free(rawPckt->payload);
return;
}
// push packet onto the message queue
if (mq_push(intf->txQ, rawPckt)) {
ethinf_push_notification(intf, ETH_IIE_TRANSMIT_NOTIFY, 0); // notify processing thread of the peding transmit ethinf_push_notification(intf, ETH_IIE_TRANSMIT_NOTIFY, 0); // notify processing thread of the peding transmit
} else { } else {
ERROR("Interface TRANSMIT queue full, packet dropped!\n"); ERROR("Interface TRANSMIT queue full, packet dropped!\n");