wengzhe commented on code in PR #7750:
URL: https://github.com/apache/nuttx/pull/7750#discussion_r1037749433


##########
net/icmpv6/icmpv6_reply.c:
##########
@@ -112,15 +112,19 @@ void icmpv6_reply(FAR struct net_driver_s *dev, int type, 
int code, int data)
 
   dev->d_len = ipicmplen + datalen;
 
+  /* Copy fields from original packet */
+
+  memmove(icmpv6 + 1, ipv6, datalen);

Review Comment:
   It's skipping the whole header, to copy origin packet as the payload of 
icmpv6.
   It's removed by accident and I'm just restoring the code from [previous 
version](https://github.com/apache/nuttx/blob/releases/11.0/net/icmpv6/icmpv6_reply.c#L117-L119).



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