taglinefilesource code
sknext479net/ipv4/ip_input.cstruct sock *sknext=NULL;
sknext487net/ipv4/ip_input.csknext=get_sock_raw(raw_sk->next, iph->protocol, iph->saddr, iph->daddr);
sknext488net/ipv4/ip_input.cif(sknext)
sknext494net/ipv4/ip_input.craw_sk=sknext;
sknext664net/ipv4/udp.cstruct sock *sknext=NULL;
sknext673net/ipv4/udp.csknext=get_sock_mcast(sk->next, uh->dest, saddr, uh->source, daddr);
sknext674net/ipv4/udp.cif(sknext)
sknext680net/ipv4/udp.csk=sknext;
sknext682net/ipv4/udp.cwhile(sknext!=NULL);