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UDP sendto发送,数据超过1500bytes无法发送报错EMSGSIZE,请问是什么原因

Other Parts Discussed in Thread: SYSBIOS

DSP使用的是C6455,NDK版本较老为v1.91,CCS 版本为v5.4,UDP的发送与接收缓存都配置成立最大32K

调用sendto发送数据时,数据长度超过1500就无法完成发送,错误为EMSGSIZE

通常UDP socket在发送大数据量的时候,不是也可以分包发送的嘛?为什么会出现上述错误,请指教