Symbol: IP_CT_EXP_CHALLENGE_ACK
net/netfilter/nf_conntrack_proto_tcp.c
1064
ct->proto.tcp.last_flags &= ~IP_CT_EXP_CHALLENGE_ACK;
net/netfilter/nf_conntrack_proto_tcp.c
1105
IP_CT_EXP_CHALLENGE_ACK;
net/netfilter/nf_conntrack_proto_tcp.c
1152
(ct->proto.tcp.last_flags & IP_CT_EXP_CHALLENGE_ACK)) {
net/netfilter/nf_conntrack_proto_tcp.c
1154
ct->proto.tcp.last_flags &= ~IP_CT_EXP_CHALLENGE_ACK;