废除 tfe-kmod, tfe 直接与 kni 通信

* 新增 enable_kni_v3=1 配置项
	* develop_build_release 分支关闭 ASAN 检测
	* 修正根据 CMSG 恢复 TCP 链接时没有正确填写 TCP 时间戳启用选项的问题

common/include/tfe_cmsg.h

@@ -25,6 +25,11 @@ enum tfe_cmsg_tlv_type
     TFE_CMSG_TCP_RESTORE_TS_CLIENT = 0x8,
     TFE_CMSG_TCP_RESTORE_TS_SERVER = 0x9,
     TFE_CMSG_TCP_RESTORE_PROTOCOL = 0xa,
+    TFE_CMSG_TCP_RESTORE_WINDOW_CLIENT = 0xb,
+    TFE_CMSG_TCP_RESTORE_WINDOW_SERVER = 0xc,
+    TFE_CMSG_TCP_RESTORE_INFO_PACKET_CUR_DIR = 0xd, 
+    TFE_CMSG_TCP_RESTORE_TS_CLIENT_VAL = 0xe,
+    TFE_CMSG_TCP_RESTORE_TS_SERVER_VAL = 0xf,
 
     TFE_CMSG_POLICY_ID = 0x10,
     TFE_CMSG_STREAM_TRACE_ID = 0x11,

common/include/tfe_pkt_util.h

@@ -0,0 +1,59 @@
+#ifndef _TFE_PKT_UTIL_H
+#define _TFE_PKT_UTIL_H
+
+#ifdef __cpluscplus
+extern "C"
+{
+#endif
+
+enum addr_type_t {
+	ADDR_TYPE_IPV4 = 1,
+	ADDR_TYPE_IPV6 = 2,
+};
+
+struct pkt_info {
+	enum addr_type_t addr_type;
+
+	union {
+		struct iphdr *v4;
+		struct ip6_hdr *v6;
+	} iphdr;
+	uint16_t iphdr_len;
+	uint16_t ip_totlen;
+
+	struct tcphdr *tcphdr;
+	uint16_t tcphdr_len;
+
+	char *data;
+	uint16_t data_len;
+
+	int parse_failed;
+};
+
+// always success
+void tfe_pkt_parse_ipv4_header(const void *a_packet, struct pkt_info *pktinfo);
+// check pktinfo->parse_failed for status
+void tfe_pkt_parse_ipv6_header(const void *a_packet, struct pkt_info *pktinfo);
+
+uint16_t tfe_pkt_checksum_ip(const void *buf, size_t hdr_len);
+uint16_t tfe_pkt_checksum_tcp_v4(const void *buf, size_t len, in_addr_t src_addr, in_addr_t dest_addr);
+uint16_t tfe_pkt_checksum_tcp_v6(const void *buf, size_t len, struct in6_addr src_addr, struct in6_addr dest_addr);
+
+/*
+ * 目的：在 IP 的 Payload ${data} 中查找指定的 tcp ${option}。
+ *
+ * 已知：
+ * 1.所有的 tcp options 所占的存储空间的长度为 ${optlen}
+ * 2.${out_opt_buff} 输出缓冲区的最大长度为 ${out_opt_buff_size}
+ *
+ * 返回值：
+ * 1.若找到指定的 tcp ${option} 则返回 1，并将该 tcp ${option} 对应的值拷贝到 ${out_opt_buff} 中，并将拷贝的值所占的存储空间记录到 ${out_optlen} 中
+ * 2.若未找到指定的 tcp ${option} 则返回 0
+ */
+int tfe_pkt_find_tcp_option(uint8_t option, char *data, unsigned int opts_total_len, uint8_t *out_opt_len, char *out_opt_buff, unsigned int out_opt_buff_size);
+
+#ifdef __cpluscplus
+}
+#endif
+
+#endif

common/include/tfe_tcp_restore.h

@@ -0,0 +1,47 @@
+#ifndef _TFE_TCP_RESTORE_H
+#define _TFE_TCP_RESTORE_H
+
+#ifdef __cpluscplus
+extern "C"
+{
+#endif
+
+enum tcp_restore_pkt_dir
+{
+	PKT_DIR_NOT_SET = 0x0,
+	PKT_DIR_C2S = 0x1,
+	PKT_DIR_S2C = 0x2
+};
+
+struct tcp_restore_endpoint
+{
+	struct sockaddr_storage addr;
+	uint32_t seq;
+	uint32_t ack;
+	uint32_t ts_val;
+	uint16_t mss;
+	uint16_t window;
+	uint8_t wscale;
+	bool wscale_perm;
+	bool timestamp_perm;
+	bool sack_perm;
+};
+
+struct tcp_restore_info
+{
+	enum tcp_restore_pkt_dir cur_dir;
+	struct tcp_restore_endpoint client;
+	struct tcp_restore_endpoint server;
+
+	char cmsg[2048];
+	unsigned int cmsg_len;
+};
+
+void tfe_tcp_restore_info_dump(const struct tcp_restore_info *info);
+int tfe_tcp_restore_fd_create(const struct tcp_restore_endpoint *endpoint, const struct tcp_restore_endpoint *peer);
+
+#ifdef __cpluscplus
+}
+#endif
+
+#endif

common/include/tfe_utils.h

@@ -8,6 +8,7 @@
 #include <MESA/MESA_htable.h>
 #include <time.h>
 #include <dirent.h> //scan_dir
+#include <stdbool.h>
 
 #define TFE_STRING_MAX			2048
 #define	TFE_PATH_MAX			256
@@ -103,9 +104,6 @@ do { if(!(condition)) { TFE_LOG_ERROR(g_default_logger, fmt, ##__VA_ARGS__); abo
 #define MIN(a, b)  	(((a) < (b)) ? (a) : (b))
 #endif
 
-
-int addr_sock_to_layer(struct sockaddr * sock_addr, int sockaddrlen, struct layer_addr * layer_addr);
-int addr_layer_to_sock(struct layer_addr * layer_addr, struct sockaddr * sock_addr);
 char* tfe_strdup(const char* s);
 char *tfe_thread_safe_ctime(const time_t *tp, char *buf, int len);
 
@@ -172,6 +170,4 @@ int tfe_scandir(const char *dir, struct dirent ***namelist,
 char *tfe_read_file(const char *filename, size_t *filelen);
 
 const char * tfe_version();
-int __wrapper_MESA_htable_set_opt(MESA_htable_handle table, enum MESA_htable_opt opt_type, unsigned value);
-int __wrapper_MESA_htable_set_opt(MESA_htable_handle table, enum MESA_htable_opt opt_type, void * val, size_t len);
 int tfe_decode_base64url(u_char *dst, u_char *src);