/* Has unacknowledged data */
#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED 0x10
+/* The field td_maxack has been set */
+#define IP_CT_TCP_FLAG_MAXACK_SET 0x20
+
struct nf_ct_tcp_flags {
__u8 flags;
__u8 mask;
u_int32_t td_end; /* max of seq + len */
u_int32_t td_maxend; /* max of ack + max(win, 1) */
u_int32_t td_maxwin; /* max(win) */
+ u_int32_t td_maxack; /* max of ack */
u_int8_t td_scale; /* window scale factor */
u_int8_t flags; /* per direction options */
};