nf_ct_ext 104 include/net/netfilter/nf_conntrack.h struct nf_ct_ext *ext; nf_ct_ext 52 include/net/netfilter/nf_conntrack_extend.h static inline bool __nf_ct_ext_exist(const struct nf_ct_ext *ext, u8 id) nf_ct_ext 2411 net/netfilter/nf_conntrack_core.c return sizeof(struct nf_ct_ext) + nf_ct_ext 43 net/netfilter/nf_conntrack_extend.c struct nf_ct_ext *old, *new;