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DD packet receiving in ExStart.

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This commit is contained in:
Ondrej Filip
1999-08-25 18:44:50 +00:00
parent 1af664158d
commit 2c1d1cc765
2 changed files with 150 additions and 39 deletions
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44
proto/ospf/ospf.h
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@@ -38,8 +38,8 @@ struct ospf_iface {
list neigh_list; /* List of neigbours */
u32 area; /* OSPF Area */
u16 cost; /* Cost of iface */
int rxmtint; /* number of seconds between LSA retransmissions */
int iftransdelay; /* The estimated number of seconds it takes to
u16 rxmtint; /* number of seconds between LSA retransmissions */
u16 iftransdelay; /* 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 */
@@ -52,11 +52,11 @@ struct ospf_iface {
u32 drid;
ip_addr bdrip; /* Backup DR */
u32 bdrid;
int type; /* OSPF view of type */
u8 type; /* OSPF view of type */
#define OSPF_IT_BROADCAST 0
#define OSPF_IT_NBMA 1
#define OSPF_IT_PTP 2
int state; /* Interface state machine */
u8 state; /* Interface state machine */
#define OSPF_IS_DOWN 0 /* Should never happen */
#define OSPF_IS_WAITING 1 /* Waiting for Wait timer */
#define OSPF_IS_PTP 2 /* PTP operational */
@@ -65,6 +65,7 @@ struct ospf_iface {
#define OSPF_IS_DR 5 /* I'm DR */
timer *wait_timer; /* WAIT timer */
timer *hello_timer; /* HELLOINT timer */
timer *rxmt_timer; /* RXMT timer */
/* Default values for interface parameters */
#define COST_D 10
#define RXMTINT_D 5
@@ -81,7 +82,7 @@ struct ospf_patt {
struct iface_patt i;
u16 cost;
byte mode;
u8 mode;
};
struct ospf_packet {
@@ -111,18 +112,34 @@ struct ospf_hello_packet {
u32 bdr;
};
struct ospf_ddseq_packet {
struct ospf_dbdes_packet {
struct ospf_packet ospf_packet;
u16 iface_mtu;
u16 options;
u32 ddseq_no;
u8 options;
u8 imms; /* I, M, MS bits */
#define DBDES_MS 1
#define DBDES_M 2
#define DBDES_I 4
u32 ddseq;
};
struct ospf_lsaheader {
u16 lsage; /* LS Age */
u8 options;
u8 lstype;
u32 lsid;
u32 advr; /* Advertising router */
u32 lssn; /* LS Sequence number */
u16 checksum;
u16 length;
};
struct ospf_neighbor
{
node n;
struct ospf_iface *ifa;
int state;
u8 state;
#define NEIGHBOR_DOWN 0
#define NEIGHBOR_ATTEMPT 1
#define NEIGHBOR_INIT 2
@@ -132,14 +149,13 @@ struct ospf_neighbor
#define NEIGHBOR_LOADING 6
#define NEIGHBOR_FULL 7
timer *inactim; /* Inactivity timer */
byte ms; /* Master/slave */
#define NEIGHBOR_SLAVE 0
#define NEIGHBOR_MASTER 1
u8 imms; /* I, M, Master/slave */
u8 myimms;
u32 dds; /* DD Sequence number being sentg */
u32 ddr; /* last Dat Des packet */
u32 rid; /* Router ID */
byte priority; /* Priority */
byte options; /* Options */
u8 priority; /* Priority */
u8 options; /* Options */
u32 dr; /* Neigbour's idea of DR */
u32 bdr; /* Neigbour's idea of BDR */
u8 adj; /* built adjacency? */