DCCHECK 111 net/netfilter/xt_dccp.c return DCCHECK(ntohs(dh->dccph_sport) >= info->spts[0] DCCHECK 114 net/netfilter/xt_dccp.c && DCCHECK(ntohs(dh->dccph_dport) >= info->dpts[0] DCCHECK 117 net/netfilter/xt_dccp.c && DCCHECK(match_types(dh, info->typemask), DCCHECK 119 net/netfilter/xt_dccp.c && DCCHECK(match_option(info->option, skb, par->thoff, dh,