Restructure project and organize code.

src/common/types.h

@@ -0,0 +1,134 @@
+#pragma once
+
+#include <common/int_types.h>
+
+struct tcpopts
+{
+    unsigned int enabled : 1;
+
+    unsigned int do_sport : 1;
+    u16 sport;
+
+    unsigned int do_dport : 1;
+    u16 dport;
+
+    // TCP flags.
+    unsigned int do_urg : 1;
+    unsigned int urg : 1;
+
+    unsigned int do_ack : 1;
+    unsigned int ack : 1;
+
+    unsigned int do_rst : 1;
+    unsigned int rst : 1;
+
+    unsigned int do_psh : 1;
+    unsigned int psh : 1;
+
+    unsigned int do_syn : 1;
+    unsigned int syn : 1;
+
+    unsigned int do_fin : 1;
+    unsigned int fin : 1;
+
+    unsigned int do_ece : 1;
+    unsigned int ece : 1;
+
+    unsigned int do_cwr : 1;
+    unsigned int cwr : 1;
+};
+
+struct udpopts
+{
+    unsigned int enabled : 1;
+
+    unsigned int do_sport : 1;
+    u16 sport;
+
+    unsigned int do_dport : 1;
+    u16 dport;
+};
+
+struct icmpopts
+{
+    unsigned int enabled : 1;
+
+    unsigned int do_code : 1;
+    u8 code;
+
+    unsigned int do_type : 1;
+    u8 type;
+};
+
+struct filter
+{
+    u8 id;
+
+    unsigned int enabled : 1;
+
+    u8 action;
+
+    u32 src_ip;
+    u8 src_cidr;
+
+    u32 dst_ip;
+    u8 dst_cidr;
+
+    u32 src_ip6[4];
+    u32 dst_ip6[4];
+
+    unsigned int do_min_ttl : 1;
+    u8 min_ttl;
+
+    unsigned int do_max_ttl : 1;
+    u8 max_ttl;
+
+    unsigned int do_min_len : 1;
+    u16 min_len;
+
+    unsigned int do_max_len : 1;
+    u16 max_len;
+
+    unsigned int do_tos : 1;
+    u8 tos;
+
+    unsigned int do_pps : 1;
+    __u64 pps;
+
+    unsigned int do_bps : 1;
+    __u64 bps;
+
+    __u64 blocktime;
+
+    struct tcpopts tcpopts;
+    struct udpopts udpopts;
+    struct icmpopts icmpopts;
+} __attribute__((__aligned__(8)));
+
+struct stats
+{
+    __u64 allowed;
+    __u64 dropped;
+    __u64 passed;
+};
+
+struct ip_stats
+{
+    __u64 pps;
+    __u64 bps;
+    __u64 next_update;
+};
+
+struct flow
+{
+    u32 ip;
+    u16 port;
+    u8 protocol;
+};
+
+struct flow6
+{
+    u128 ip;
+    u16 port;
+    u8 protocol;
+};