X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/e49d6736b53034705fc2f54a36e0965070accd69..97119ee512f1cfa772abbd76fa83271ea26bdb4b:/l2tpns.h?ds=inline diff --git a/l2tpns.h b/l2tpns.h index 29f0710..c68d9c3 100644 --- a/l2tpns.h +++ b/l2tpns.h @@ -1,5 +1,5 @@ // L2TPNS Global Stuff -// $Id: l2tpns.h,v 1.118 2006-07-01 12:40:17 bodea Exp $ +// $Id: l2tpns.h,v 1.121 2009-12-08 14:49:28 bodea Exp $ #ifndef __L2TPNS_H__ #define __L2TPNS_H__ @@ -19,10 +19,8 @@ // Limits #define MAXTUNNEL 500 // could be up to 65535 #define MAXBUNDLE 300 // could be up to 65535 -#define MAXBUNDLESES 10 // Maximum number of member links in bundle +#define MAXBUNDLESES 12 // Maximum number of member links in bundle #define MAXADDRESS 20 // Maximum length for the Endpoint Discrminiator address -#define MAXFRAGNUM 1500 // Maximum number of Multilink fragment in a bundle -#define MAXFRAGLEN 1000 // Maximum length for Multilink fragment #define MAXSESSION 60000 // could be up to 65535 #define MAXTBFS 6000 // Maximum token bucket filters. Might need up to 2 * session. @@ -49,14 +47,18 @@ #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 sent and LCP ECHO generation +#define IDLE_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 -#define MP_END 0x40 // This value is used when (e)nd bit is set in MP header -#define MP_BOTH_BITS 0xC0 // This value is used when both bits (begin and end) are set in MP header +#define MP_BEGIN 0x80 // This value is used when (b)egin bit is set in MP header +#define MP_END 0x40 // This value is used when (e)nd bit is set in MP header +#define MP_BOTH_BITS 0xC0 // This value is used when both bits (begin and end) are set in MP header -#define DEFAULT_EPDIS_ADDRESS "L2TPNetServer" // Company name may goes here! +#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) + // 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 // Constants #ifndef ETCDIR @@ -250,8 +252,11 @@ typedef struct { } epdist; typedef struct { - uint16_t length; // Fragment length - uint8_t data[MAXFRAGLEN]; // Fragment data + sessionidt sid; // Fragment originating session + uint8_t flags; // MP frame flags + uint32_t seq; // fragment seq num + uint16_t length; // Fragment length + uint8_t data[MAXFRAGLEN]; // Fragment data } fragmentt; typedef struct @@ -299,11 +304,11 @@ typedef struct char calling[MAXTEL]; // calling number uint32_t tx_connect_speed; uint32_t rx_connect_speed; - clockt timeout; // Session timeout - uint32_t mrru; // Multilink Max-Receive-Reconstructed-Unit - uint8_t mssf; // Multilink Short Sequence Number Header Format - epdist epdis; // Multilink Endpoint Discriminator - bundleidt bundle; // Multilink Bundle Identifier + clockt timeout; // Session timeout + uint32_t mrru; // Multilink Max-Receive-Reconstructed-Unit + uint8_t mssf; // Multilink Short Sequence Number Header Format + epdist epdis; // Multilink Endpoint Discriminator + bundleidt bundle; // Multilink Bundle Identifier in_addr_t snoop_ip; // Interception destination IP uint16_t snoop_port; // Interception destination port uint8_t walled_garden; // is this session gardened? @@ -315,28 +320,31 @@ sessiont; typedef struct { - int state; // current state (bundlestate enum) - uint32_t seq_num_t; // Sequence Number (transmission) - uint32_t seq_num_m; // Last received frame sequence number (bearing B bit) - uint32_t offset; // Offset between sequence number and array index - uint8_t pending_frag; // Indicate that there is pending fragments to reassemble - uint8_t num_of_links; // Number of links joint to this bundle - uint32_t online_time; // The time this bundle is online - clockt last_check; // Last time the timeout is checked - uint32_t mrru; // Multilink Max-Receive-Reconstructed-Unit - uint8_t mssf; // Multilink Short Sequence Number Header Format - epdist epdis; // Multilink Endpoint Discriminator - char user[MAXUSER]; // Needed for matching member links - sessionidt current_ses; // Current session to use for sending (used in RR load-balancing) - sessionidt members[MAXBUNDLESES]; // Array for member links sessions + int state; // current state (bundlestate enum) + uint32_t seq_num_t; // Sequence Number (transmission) + uint32_t timeout; // Session-Timeout for bundle + uint32_t max_seq; // Max value of sequence number field + uint8_t num_of_links; // Number of links joint to this bundle + uint32_t online_time; // The time this bundle is online + clockt last_check; // Last time the timeout is checked + uint32_t mrru; // Multilink Max-Receive-Reconstructed-Unit + uint8_t mssf; // Multilink Short Sequence Number Header Format + epdist epdis; // Multilink Endpoint Discriminator + char user[MAXUSER]; // Needed for matching member links + sessionidt current_ses; // Current session to use for sending (used in RR load-balancing) + sessionidt members[MAXBUNDLESES]; // Array for member links sessions } bundlet; typedef struct { - fragmentt fragment[MAXFRAGNUM]; - uint8_t reassembled_frame[MAXETHER]; // The reassembled frame - uint16_t re_frame_len; // The reassembled frame length + fragmentt fragment[MAXFRAGNUM]; + uint8_t reassembled_frame[MAXETHER]; // The reassembled frame + uint16_t re_frame_len; // The reassembled frame length + uint16_t re_frame_begin_index, re_frame_end_index; // reassembled frame begin index, end index respectively + uint16_t start_index, end_index; // start and end sequence numbers available on the fragments array respectively + uint32_t M; // Minumum frame sequence number received over all bundle members + uint32_t start_seq; // Last received frame sequence number (bearing B bit) } fragmentationt; @@ -391,6 +399,9 @@ typedef struct // last LCP Echo time_t last_echo; + + // Last Multilink frame sequence number received + uint32_t last_seq; } sessionlocalt; // session flags @@ -500,6 +511,7 @@ enum RADIUSSTOP, // sending stop accounting to RADIUS server RADIUSINTERIM, // sending interim accounting to RADIUS server RADIUSWAIT, // waiting timeout before available, in case delayed replies + RADIUSJUSTAUTH, // sending auth to RADIUS server, just authentication, no ip assigning }; struct Tstats @@ -647,7 +659,7 @@ typedef struct int radius_authprefer; int allow_duplicate_users; // allow multiple logins with the same username - char guest_user[MAXUSER]; // allow multiple logins to guest account username + int kill_timedout_sessions; // kill authenticated sessions with "session_timeout == 0" in_addr_t default_dns1, default_dns2; @@ -694,11 +706,15 @@ typedef struct int cluster_hb_interval; // How often to send a heartbeat. int cluster_hb_timeout; // How many missed heartbeats trigger an election. uint64_t cluster_table_version; // # state changes processed by cluster - int cluster_master_min_adv; // Master advertises routes while the number of up to date - // slaves is less than this value. struct in6_addr ipv6_prefix; // Our IPv6 network pool. + + int cluster_master_min_adv; // Master advertises routes while the number of up to date + // slaves is less than this value. + // Guest change + char guest_user[MAXUSER]; // Guest account username + #ifdef BGP #define BGP_NUM_PEERS 2 uint16_t as_number;