diff options
Diffstat (limited to 'proto/ospf/ospf.h')
| -rw-r--r-- | proto/ospf/ospf.h | 264 |
1 files changed, 147 insertions, 117 deletions
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h index b0ac1e9..cf984aa 100644 --- a/proto/ospf/ospf.h +++ b/proto/ospf/ospf.h @@ -53,19 +53,22 @@ #define LSINFINITY 0xffff /* RFC says 0xffffff ??? */ #define DISPTICK 7 -struct ospf_config { +struct ospf_config +{ struct proto_config c; int rfc1583; list area_list; }; -struct nbma_node { +struct nbma_node +{ node n; ip_addr ip; int eligible; }; -struct area_net { +struct area_net +{ node n; struct prefix px; int hidden; @@ -73,7 +76,8 @@ struct area_net { int oldactive; }; -struct ospf_area_config { +struct ospf_area_config +{ node n; u32 areaid; int stub; @@ -82,47 +86,48 @@ struct ospf_area_config { list net_list; }; -struct ospf_iface { +struct ospf_iface +{ node n; struct proto_ospf *proto; - struct iface *iface; /* Nest's iface */ + struct iface *iface; /* Nest's iface */ struct ospf_area *oa; struct object_lock *lock; - u32 an; /* Area number */ - sock *hello_sk; /* Hello socket */ - sock *dr_sk; /* For states DR or BACKUP */ - sock *ip_sk; /* IP socket (for DD ...) */ - list neigh_list; /* List of neigbours */ - u16 cost; /* Cost of iface */ - u16 rxmtint; /* number of seconds between LSA retransmissions */ - u16 inftransdelay; /* The estimated number of seconds it takes to - transmit a Link State Update Packet over this - interface. LSAs contained in the update */ - u8 priority; /* A router priority for DR election */ - u16 helloint; /* number of seconds between hello sending */ - u16 waitint; /* number of sec before changing state from wait */ - u16 pollint; /* Poll interval */ - u32 deadc; /* after "deadint" missing hellos is router dead */ + u32 an; /* Area number */ + sock *hello_sk; /* Hello socket */ + sock *dr_sk; /* For states DR or BACKUP */ + sock *ip_sk; /* IP socket (for DD ...) */ + list neigh_list; /* List of neigbours */ + u16 cost; /* Cost of iface */ + u16 rxmtint; /* number of seconds between LSA retransmissions */ + u16 inftransdelay; /* The estimated number of seconds it takes to + transmit a Link State Update Packet over this + interface. LSAs contained in the update */ + u8 priority; /* A router priority for DR election */ + u16 helloint; /* number of seconds between hello sending */ + u16 waitint; /* number of sec before changing state from wait */ + u16 pollint; /* Poll interval */ + u32 deadc; /* after "deadint" missing hellos is router dead */ u16 autype; u8 aukey[8]; u8 options; - ip_addr drip; /* Designated router */ + ip_addr drip; /* Designated router */ u32 drid; - ip_addr bdrip; /* Backup DR */ + ip_addr bdrip; /* Backup DR */ u32 bdrid; - u8 type; /* OSPF view of type */ + u8 type; /* OSPF view of type */ #define OSPF_IT_BCAST 0 #define OSPF_IT_NBMA 1 #define OSPF_IT_PTP 2 #define OSPF_IT_VLINK 3 #define OSPF_IT_UNDEF 4 - u8 strictnbma; /* Can I talk with unknown neighbors? */ - u8 stub; /* Inactive interface */ + u8 strictnbma; /* Can I talk with unknown neighbors? */ + u8 stub; /* Inactive interface */ u8 ioprob; -#define OSPF_I_OK 0 /* Everything OK */ -#define OSPF_I_MC 1 /* I didn't open MC socket */ -#define OSPF_I_IP 2 /* I didn't open IP socet */ - u8 state; /* Interface state machine */ +#define OSPF_I_OK 0 /* Everything OK */ +#define OSPF_I_MC 1 /* I didn't open MC socket */ +#define OSPF_I_IP 2 /* I didn't open IP socet */ + u8 state; /* Interface state machine */ #define OSPF_IS_DOWN 0 /* Not working */ #define OSPF_IS_LOOP 1 /* Should never happen */ #define OSPF_IS_WAITING 2 /* Waiting for Wait timer */ @@ -141,23 +146,24 @@ struct ospf_iface { #define HELLOINT_D 10 #define POLLINT_D 20 #define DEADC_D 4 -#define WAIT_DMH 4 /* Value of Wait timer - not found it in RFC - * - using 4*HELLO - */ +#define WAIT_DMH 4 /* Value of Wait timer - not found it in RFC + * - using 4*HELLO + */ struct top_hash_entry *nlsa; /* Originated net lsa */ - int orignet; /* Schedule network LSA origination */ - int fadj; /* Number of full adjacent neigh */ + int orignet; /* Schedule network LSA origination */ + int fadj; /* Number of full adjacent neigh */ list nbma_list; }; -struct ospf_packet { +struct ospf_packet +{ u8 version; u8 type; -#define HELLO_P 1 /* Hello */ -#define DBDES_P 2 /* Database description */ -#define LSREQ_P 3 /* Link state request */ -#define LSUPD_P 4 /* Link state update */ -#define LSACK_P 5 /* Link state acknowledgement */ +#define HELLO_P 1 /* Hello */ +#define DBDES_P 2 /* Database description */ +#define LSREQ_P 3 /* Link state request */ +#define LSUPD_P 4 /* Link state update */ +#define LSACK_P 5 /* Link state acknowledgement */ u16 length; u32 routerid; u32 areaid; @@ -167,7 +173,8 @@ struct ospf_packet { u8 authetication[8]; }; -struct ospf_hello_packet { +struct ospf_hello_packet +{ struct ospf_packet ospf_packet; ip_addr netmask; u16 helloint; @@ -178,7 +185,8 @@ struct ospf_hello_packet { ip_addr bdr; }; -struct immsb { +struct immsb +{ #ifdef _BIG_ENDIAN u8 padding:5; u8 i:1; @@ -192,12 +200,14 @@ struct immsb { #endif }; -union imms { +union imms +{ u8 byte; struct immsb bit; }; -struct ospf_dbdes_packet { +struct ospf_dbdes_packet +{ struct ospf_packet ospf_packet; u16 iface_mtu; u8 options; @@ -209,11 +219,12 @@ struct ospf_dbdes_packet { }; -struct ospf_lsa_header { - u16 age; /* LS Age */ -#define LSA_MAXAGE 3600 /* 1 hour */ -#define LSA_CHECKAGE 300 /* 5 minutes */ -#define LSA_MAXAGEDIFF 900 /* 15 minutes */ +struct ospf_lsa_header +{ + u16 age; /* LS Age */ +#define LSA_MAXAGE 3600 /* 1 hour */ +#define LSA_CHECKAGE 300 /* 5 minutes */ +#define LSA_MAXAGEDIFF 900 /* 15 minutes */ u8 options; u8 type; u32 id; @@ -222,27 +233,30 @@ struct ospf_lsa_header { #define LSA_T_SUM_NET 3 #define LSA_T_SUM_RT 4 #define LSA_T_EXT 5 - u32 rt; /* Advertising router */ - s32 sn; /* LS Sequence number */ + u32 rt; /* Advertising router */ + s32 sn; /* LS Sequence number */ #define LSA_INITSEQNO 0x80000001 #define LSA_MAXSEQNO 0x7fffffff u16 checksum; - u16 length; + u16 length; }; -struct vebb { +struct vebb +{ u8 b:1; u8 e:1; u8 v:1; u8 padding:5; }; -union veb { +union veb +{ u8 byte; struct vebb bit; }; -struct ospf_lsa_rt { +struct ospf_lsa_rt +{ union veb veb; #define LSA_RT_V 5 #define LSA_RT_E 6 @@ -251,7 +265,8 @@ struct ospf_lsa_rt { u16 links; }; -struct ospf_lsa_rt_link { +struct ospf_lsa_rt_link +{ u32 id; u32 data; u8 type; @@ -263,31 +278,37 @@ struct ospf_lsa_rt_link { u16 metric; }; -struct ospf_lsa_rt_link_tos { /* Actually we ignore TOS. This is useless */ +struct ospf_lsa_rt_link_tos +{ /* Actually we ignore TOS. This is useless */ u8 tos; u8 padding; u16 metric; }; -struct ospf_lsa_net { +struct ospf_lsa_net +{ ip_addr netmask; }; -struct ospf_lsa_summ { +struct ospf_lsa_summ +{ ip_addr netmask; }; -struct ospf_lsa_summ_net { +struct ospf_lsa_summ_net +{ u8 tos; u8 padding; u16 metric; }; -struct ospf_lsa_ext { +struct ospf_lsa_ext +{ ip_addr netmask; }; -struct ospf_lsa_ext_tos { +struct ospf_lsa_ext_tos +{ u8 etos; u8 padding; u16 metric; @@ -295,29 +316,34 @@ struct ospf_lsa_ext_tos { u32 tag; }; -struct ospf_lsreq_packet { +struct ospf_lsreq_packet +{ struct ospf_packet ospf_packet; }; -struct ospf_lsreq_header { +struct ospf_lsreq_header +{ u16 padd1; u8 padd2; u8 type; u32 id; - u32 rt; /* Advertising router */ + u32 rt; /* Advertising router */ }; -struct l_lsr_head { +struct l_lsr_head +{ node n; struct ospf_lsreq_header lsh; }; -struct ospf_lsupd_packet { +struct ospf_lsupd_packet +{ struct ospf_packet ospf_packet; - u32 lsano; /* Number of LSA's */ + u32 lsano; /* Number of LSA's */ }; -struct ospf_lsack_packet { +struct ospf_lsack_packet +{ struct ospf_packet ospf_packet; }; @@ -336,58 +362,59 @@ struct ospf_neighbor #define NEIGHBOR_EXCHANGE 5 #define NEIGHBOR_LOADING 6 #define NEIGHBOR_FULL 7 - timer *inactim; /* Inactivity timer */ + timer *inactim; /* Inactivity timer */ union imms imms; /* I, M, Master/slave received */ - u32 dds; /* DD Sequence number being sent */ - u32 ddr; /* last Dat Des packet received */ + u32 dds; /* DD Sequence number being sent */ + u32 ddr; /* last Dat Des packet received */ union imms myimms; /* I, M Master/slave */ - u32 rid; /* Router ID */ - ip_addr ip; /* IP of it's interface */ - u8 priority; /* Priority */ - u8 options; /* Options received */ - ip_addr dr; /* Neigbour's idea of DR */ - ip_addr bdr; /* Neigbour's idea of BDR */ - u8 adj; /* built adjacency? */ - siterator dbsi; /* Database summary list iterator */ - slist lsrql; /* Link state request */ - struct top_graph *lsrqh; /* LSA graph */ + u32 rid; /* Router ID */ + ip_addr ip; /* IP of it's interface */ + u8 priority; /* Priority */ + u8 options; /* Options received */ + ip_addr dr; /* Neigbour's idea of DR */ + ip_addr bdr; /* Neigbour's idea of BDR */ + u8 adj; /* built adjacency? */ + siterator dbsi; /* Database summary list iterator */ + slist lsrql; /* Link state request */ + struct top_graph *lsrqh; /* LSA graph */ siterator lsrqi; - slist lsrtl; /* Link state retransmission list */ + slist lsrtl; /* Link state retransmission list */ siterator lsrti; struct top_graph *lsrth; - void *ldbdes; /* Last database description packet */ - timer *rxmt_timer; /* RXMT timer */ + void *ldbdes; /* Last database description packet */ + timer *rxmt_timer; /* RXMT timer */ list ackl[2]; #define ACKL_DIRECT 0 #define ACKL_DELAY 1 - timer *ackd_timer; /* Delayed ack timer */ + timer *ackd_timer; /* Delayed ack timer */ }; /* Definitions for interface state machine */ -#define ISM_UP 0 /* Interface Up */ -#define ISM_WAITF 1 /* Wait timer fired */ -#define ISM_BACKS 2 /* Backup seen */ -#define ISM_NEICH 3 /* Neighbor change */ -#define ISM_LOOP 4 /* Loop indicated */ -#define ISM_UNLOOP 5 /* Unloop indicated */ -#define ISM_DOWN 6 /* Interface down */ +#define ISM_UP 0 /* Interface Up */ +#define ISM_WAITF 1 /* Wait timer fired */ +#define ISM_BACKS 2 /* Backup seen */ +#define ISM_NEICH 3 /* Neighbor change */ +#define ISM_LOOP 4 /* Loop indicated */ +#define ISM_UNLOOP 5 /* Unloop indicated */ +#define ISM_DOWN 6 /* Interface down */ /* Definitions for neighbor state machine */ -#define INM_HELLOREC 0 /* Hello Received */ -#define INM_START 1 /* Neighbor start - for NBMA */ -#define INM_2WAYREC 2 /* 2-Way received */ -#define INM_NEGDONE 3 /* Negotiation done */ -#define INM_EXDONE 4 /* Exchange done */ -#define INM_BADLSREQ 5 /* Bad LS Request */ -#define INM_LOADDONE 6 /* Load done */ -#define INM_ADJOK 7 /* AdjOK? */ -#define INM_SEQMIS 8 /* Sequence number mismatch */ -#define INM_1WAYREC 9 /* 1-Way */ -#define INM_KILLNBR 10 /* Kill Neighbor */ -#define INM_INACTTIM 11 /* Inactivity timer */ -#define INM_LLDOWN 12 /* Line down */ - -struct ospf_area { +#define INM_HELLOREC 0 /* Hello Received */ +#define INM_START 1 /* Neighbor start - for NBMA */ +#define INM_2WAYREC 2 /* 2-Way received */ +#define INM_NEGDONE 3 /* Negotiation done */ +#define INM_EXDONE 4 /* Exchange done */ +#define INM_BADLSREQ 5 /* Bad LS Request */ +#define INM_LOADDONE 6 /* Load done */ +#define INM_ADJOK 7 /* AdjOK? */ +#define INM_SEQMIS 8 /* Sequence number mismatch */ +#define INM_1WAYREC 9 /* 1-Way */ +#define INM_KILLNBR 10 /* Kill Neighbor */ +#define INM_INACTTIM 11 /* Inactivity timer */ +#define INM_LLDOWN 12 /* Line down */ + +struct ospf_area +{ node n; u32 areaid; timer *disp_timer; /* Area's dispatcher hear beat */ @@ -405,7 +432,8 @@ struct ospf_area { unsigned tick; }; -struct proto_ospf { +struct proto_ospf +{ struct proto proto; list iface_list; /* Interfaces we really use */ list area_list; @@ -415,14 +443,15 @@ struct proto_ospf { int ebit; /* Did I originate any ext lsa? */ }; -struct ospf_iface_patt { +struct ospf_iface_patt +{ struct iface_patt i; int cost; int helloint; int rxmtint; int pollint; - int inftransdelay; - int priority; + int inftransdelay; + int priority; int waitint; int deadc; int type; @@ -437,12 +466,13 @@ struct ospf_iface_patt { list nbma_list; }; -int ospf_import_control(struct proto *p, rte **new, ea_list **attrs, - struct linpool *pool); +int ospf_import_control(struct proto *p, rte ** new, ea_list ** attrs, + struct linpool *pool); struct ea_list *ospf_make_tmp_attrs(struct rte *rt, struct linpool *pool); void ospf_store_tmp_attrs(struct rte *rt, struct ea_list *attrs); -void ospf_rt_notify(struct proto *p, net *n, rte *new, rte *old,ea_list *attrs); -void area_disp(timer *timer); +void ospf_rt_notify(struct proto *p, net * n, rte * new, rte * old, + ea_list * attrs); +void area_disp(timer * timer); void schedule_rt_lsa(struct ospf_area *oa); void schedule_rtcalc(struct ospf_area *oa); void schedule_net_lsa(struct ospf_iface *ifa); |