[PR] Support to ARP Address Conflict Detection [nuttx]

[via GitHub]

wangchen61698 opened a new pull request, #11578:
URL: https://github.com/apache/nuttx/pull/11578

   ## Summary
   Support to ARP Address Conflict Detection
   ## Impact
   ARP
   ## Testing
   set CONFIG_NET_ARP_ACD to built-in this function
   The following figure
   
![image](https://github.com/apache/nuttx/assets/129070278/74d2affd-236a-4f21-93e2-d4186c6e457b)
   
   when set ipv4 addr，The module will send arp announce 
   The following figure：
   
![image](https://github.com/apache/nuttx/assets/129070278/6b9fb6a2-3a92-48b3-9aeb-14396f2fa6ca)
   
   If in the same local area network，other device set the same ip，and send arp 
packet，the device with with this feature enabled detect other device has the 
same ip，the device will send arp reply and arp announce；The address conflict 
info will add int the device network info 
   The following figure：
   
   
![image](https://github.com/apache/nuttx/assets/129070278/2b2e77ac-7774-4bb4-83d3-f70eb8240532)
   
   
![image](https://github.com/apache/nuttx/assets/129070278/0fd017e7-89c8-446e-bde9-e31aa3bdb927)
   
   
   
   
   
   


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