Linux - iputils - ping

• iputils/iputils: The iputils package is set of small useful utilities for Linux networking. (github.com)

结论

• 创建了两个socket

• AF_INET, IPPROTO_ICMP, SOCK_DGRAM

• AF_INET6, IPPROTO_ICMPV6, SOCK_DGRAM

• sockbuff大小

• senBuffLen: 4608 bytes

• recBuffLen: 131072 bytes

问题

linux ping sendmsg: no buffer space available ??

一般是因为网卡没有释放发送buffer，可检查网卡驱动的tx done函数。