__ip_options_echo 700 include/net/ip.h int __ip_options_echo(struct net *net, struct ip_options *dopt, __ip_options_echo 705 include/net/ip.h return __ip_options_echo(net, dopt, skb, &IPCB(skb)->opt); __ip_options_echo 2060 include/net/tcp.h if (dopt && __ip_options_echo(net, &dopt->opt, skb, opt)) { __ip_options_echo 697 net/ipv4/icmp.c if (__ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in, opt)) __ip_options_echo 1671 net/ipv4/ip_output.c if (__ip_options_echo(net, &replyopts.opt.opt, skb, sopt))