ipv6_renew_options 228 include/net/ipv6.h extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt, ipv6_renew_options 360 net/ipv6/ipv6_sockglue.c opt = ipv6_renew_options(sk, np->opt, optname,