GooTal commented on issue #9532:
URL: https://github.com/apache/nuttx/issues/9532#issuecomment-1605396629
Thanks. I added `ping` for nuttx of loongarch referring to netnsh64 of
riscv64 version.
I try to ping my host. But no interrupt about network arrived.(I checked
qemu, no ineterrupt about network raised).
Here`s the description of the bug:
I noticed that `icmp_ping` called `sendto`
```
nsent = sendto(sockfd, iobuffer, result.outsize, 0,
(FAR struct sockaddr *)&destaddr,
sizeof(struct sockaddr_in));
if (nsent < 0)
{
icmp_callback(&result, ICMP_E_SENDTO, errno);
goto done;
}
else if (nsent != result.outsize)
{
icmp_callback(&result, ICMP_E_SENDSMALL, nsent);
goto done;
}
```
`nsent` is the same value(0x40) as rv-virt:netnsh64.
Then the `poll` is called. But return value always shows time out (1000ms).
If i set -1 for time, poll never returns.
Wireshark is not working for me. Because i used user mode for qemu netdev
not tap mode. Wireshark can only parse the log that qemu dumped. So i used the
`-object filter-dump,id=o1,netdev=u1,file=./netdump `. But it seems nothing in
netdump:
I want to make sure host has received ping packet. Does the `nsent` value
mean my host received packets successfully?
If i can make sure host received packets, it would be easier to debug. Thanks
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