ip_call_ra_chain  645 include/net/ip.h bool ip_call_ra_chain(struct sk_buff *skb);
ip_call_ra_chain  107 net/ipv4/ip_forward.c 	if (IPCB(skb)->opt.router_alert && ip_call_ra_chain(skb))
ip_call_ra_chain 2130 net/ipv4/ipmr.c 			if (ip_call_ra_chain(skb))