X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/d2848cebc450b4d1e66a4b7bf290167f2870b618..e1412c5ca044498287d406fb3149ac6aaeab3e40:/l2tpns.h

diff --git a/l2tpns.h b/l2tpns.h
index 5b68df7..6314ae7 100644
--- a/l2tpns.h
+++ b/l2tpns.h
@@ -38,6 +38,7 @@
 #define PPPoE_MRU	1492		// maximum PPPoE MRU (rfc2516: 1500 less PPPoE header (6) and PPP protocol ID (2))
 #define MAXETHER	(MAXMTU+18)	// max packet we try sending to tun
 #define MAXTEL		96		// telephone number
+#define MAXHOSTNAME	256		// hostname
 #define MAXUSER		128		// username
 #define MAXPASS		128		// password
 #define MAXCLASS	128		// radius class attribute size
@@ -48,7 +49,7 @@
 #define RINGBUFFER_SIZE	10000		// Number of ringbuffer entries to allocate
 #define MAX_LOG_LENGTH	512		// Maximum size of log message
 #define ECHO_TIMEOUT	10		// Time between last packet sent and LCP ECHO generation
-#define IDLE_TIMEOUT	240		// Time between last packet seen and session shutdown
+#define IDLE_ECHO_TIMEOUT	240		// Time between last packet seen and session shutdown
 #define BUSY_WAIT_TIME	3000		// 5 minutes in 1/10th seconds to wait for radius to cleanup on shutdown
 
 #define MP_BEGIN        0x80            // This value is used when (b)egin bit is set in MP header
@@ -56,10 +57,10 @@
 #define MP_BOTH_BITS    0xC0            // This value is used when both bits (begin and end) are set in MP header
 
 #define MINFRAGLEN	64		// Minumum fragment length
-#define MAXFRAGLEN	750		// Maximum length for Multilink fragment (MTU / 2 sessions)
-#define MAXFRAGNUM	128		// Maximum number of Multilink fragment in a bundle (must be in the form of 2^X)
+#define MAXFRAGLEN	1496	// Maximum length for Multilink fragment (The multilink may contain only one link)
+#define MAXFRAGNUM	512		// Maximum number of Multilink fragment in a bundle (must be in the form of 2^X)
 					// it's not expected to have a space for more than 10 unassembled packets = 10 * MAXBUNDLESES
-#define	MAXFRAGNUM_MASK	127		// Must be equal to MAXFRAGNUM-1
+#define	MAXFRAGNUM_MASK	511		// Must be equal to MAXFRAGNUM-1
 
 // Constants
 #ifndef ETCDIR
@@ -234,7 +235,7 @@ struct cli_tunnel_actions {
 typedef struct			// route
 {
 	in_addr_t ip;
-	in_addr_t mask;
+	int prefixlen;
 }
 routet;
 
@@ -242,7 +243,10 @@ typedef struct controls		// control message
 {
 	struct controls *next;	// next in queue
 	uint16_t length;	// length
-	uint8_t buf[MAXCONTROL];
+	union {
+		uint8_t buf[MAXCONTROL];
+		uint16_t buf16[MAXCONTROL/2];
+	} __attribute__ ((__transparent_union__));
 }
 controlt;
 
@@ -254,8 +258,10 @@ typedef struct {
 
 typedef struct {
 	sessionidt sid;			// Fragment originating session
+	tunnelidt tid;			// Fragment originating tunnel
 	uint8_t	flags;			// MP frame flags
 	uint32_t seq;			// fragment seq num
+	uint32_t jitteravg;
         uint16_t length;                // Fragment length
         uint8_t data[MAXFRAGLEN];       // Fragment data
 } fragmentt;
@@ -403,6 +409,11 @@ typedef struct
 
 	// Last Multilink frame sequence number received
 	uint32_t last_seq;
+
+	// jitter average of the session
+	uint32_t jitteravg;
+	// time in milliseconds of the last fragment.
+	uint64_t prev_time;
 } sessionlocalt;
 
 // session flags
@@ -617,6 +628,10 @@ struct Tstats
 #define SET_STAT(x, y)
 #endif
 
+#ifndef IFNAMSIZ
+# define IFNAMSIZ 16
+#endif
+
 typedef struct
 {
 	int		debug;				// debugging level
@@ -632,7 +647,7 @@ typedef struct
 	int		reload_config;			// flag to re-read config (set by cli)
 	int		multi_read_count;		// amount of packets to read per fd in processing loop
 
-	char		tundevice[10];			// tun device name
+	char		tundevice[IFNAMSIZ];		// tun device name
 	char		log_filename[128];
 
 	char		l2tp_secret[64];		// L2TP shared secret
@@ -713,6 +728,8 @@ typedef struct
 
 	int		cluster_master_min_adv;		// Master advertises routes while the number of up to date
 							// slaves is less than this value.
+	in_addr_t	cli_bind_address;		// bind address for CLI
+	char		hostname[MAXHOSTNAME];	// hostname (overridden by -h on command line)
 	// Guest change
 	char            guest_user[MAXUSER];            // Guest account username
 
@@ -724,8 +741,15 @@ typedef struct
 	    	uint16_t as;
 		int keepalive;
 		int hold;
+		struct in_addr update_source;
 	} neighbour[BGP_NUM_PEERS];
+	in_addr_t	nexthop_address;
+	struct in6_addr	nexthop6_address;
 #endif
+
+	int echo_timeout; // Time between last packet sent and LCP ECHO generation
+	int idle_echo_timeout; // Time between last packet seen and
+						   // Drop sessions who have not responded within IDLE_ECHO_TIMEOUT seconds
 } configt;
 
 enum config_typet { INT, STRING, UNSIGNED_LONG, SHORT, BOOL, IPv4, IPv6 };
@@ -873,6 +897,7 @@ void adjust_tcp_mss(sessionidt s, tunnelidt t, uint8_t *buf, int len, uint8_t *t
 void sendipcp(sessionidt s, tunnelidt t);
 void sendipv6cp(sessionidt s, tunnelidt t);
 void processudp(uint8_t *buf, int len, struct sockaddr_in *addr);
+void processipout(uint8_t *buf, int len);
 void snoop_send_packet(uint8_t *packet, uint16_t size, in_addr_t destination, uint16_t port);
 int find_filter(char const *name, size_t len);
 int ip_filter(uint8_t *buf, int len, uint8_t filter);
@@ -898,7 +923,8 @@ void become_master(void);	// We're the master; kick off any required master init
 
 
 // cli.c
-void init_cli(char *hostname);
+void init_cli();
+void cli_init_complete(char *hostname);
 void cli_do_file(FILE *fh);
 void cli_do(int sockfd);
 int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...);
@@ -936,6 +962,7 @@ struct event_data {
 	    	FD_TYPE_DAE,
 		FD_TYPE_RADIUS,
 		FD_TYPE_BGP,
+		FD_TYPE_NETLINK,
 	} type;
 	int index; // for RADIUS, BGP
 };