g2gps opened a new pull request, #9294:
URL: https://github.com/apache/nuttx/pull/9294
## Summary
The udp connection structure contains the field, "domain", which defines
which address family it belongs to. Prior to this change, this field was not
populated correctly, and was read as zero in subsequent udp packet processing.
As a result, packet information was not processed in udp_recvpktinfo, as
expected when the appropriate socket option was enabled.
## Impact
Further processing of UDP packets, i.e in `udp_recvpktinfo`, can correctly
read the address domain and provide appropriate actions.
## Testing
In our application:
- We are now able to fetch using `in6_pktinfo` using `recvmsg`. Previously
this wasn't possible if only the IPV6 stack was enabled. When both IPV4 and
IPV6 was enabled, this wasn't an issue.
In NuttX:
- Using syslog messages to log the value of the `udp_conn_s::domain` field.
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