[GitHub] [nuttx] wangchen61698 commented on a diff in pull request #10319: net:add IP_MULTICAST_IF & IPV6_MULTICAST_IF function implementation

Tue, 22 Aug 2023 18:58:40 -0700 


wangchen61698 commented on code in PR #10319:
URL: https://github.com/apache/nuttx/pull/10319#discussion_r1302362245


##########
net/udp/udp_send.c:
##########
@@ -115,15 +116,27 @@ void udp_send(FAR struct net_driver_s *dev, FAR struct 
udp_conn_s *conn)
               raddr = conn->u.ipv4.raddr;
             }
 
+#ifdef CONFIG_NET_IGMP
+          if (IN_MULTICAST(NTOHL(raddr)) &&
+              net_ipv4addr_cmp(dev->d_ipaddr, INADDR_ANY))

Review Comment:
   It refers to linux(5.19)code  ,udp.c
   
![image](https://github.com/apache/nuttx/assets/129070278/e4970721-6ff5-48a6-a6b3-685ac0652de0)
   
   
   



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