On Sat, Jan 02, 2021 at 07:39:52PM +0100, Pali Rohár wrote: > Also add description for struct in6_ifreq which is used for IPv6 addresses. > > SIOCSIFADDR and SIOCDIFADDR can be used to add or delete IPv6 address and > pppd is using these ioctls for a long time. Surprisingly SIOCDIFADDR cannot > be used for deleting IPv4 address but only for IPv6 addresses. Unlike SIOCGIFADDR and SIOCSIFADDR which are supported by many protocol families, SIOCDIFADDR is supported by AF_INET6 and AF_APPLETALK only. -- ldv
