#include "eigrpd/eigrp_macros.h"
/* EIGRP master for system wide configuration and variables. */
-struct eigrp_master
-{
- /* EIGRP instance. */
- struct list *eigrp;
+struct eigrp_master {
+ /* EIGRP instance. */
+ struct list *eigrp;
- /* EIGRP thread master. */
- struct thread_master *master;
+ /* EIGRP thread master. */
+ struct thread_master *master;
- /* Zebra interface list. */
- struct list *iflist;
+ /* Zebra interface list. */
+ struct list *iflist;
- /* EIGRP start time. */
- time_t start_time;
+ /* EIGRP start time. */
+ time_t start_time;
- /* Various EIGRP global configuration. */
- u_char options;
+ /* Various EIGRP global configuration. */
+ uint8_t options;
#define EIGRP_MASTER_SHUTDOWN (1 << 0) /* deferred-shutdown */
};
-struct eigrp_metrics
-{
- u_int32_t delay;
- u_int32_t bandwith;
- unsigned char mtu[3];
- u_char hop_count;
- u_char reliability;
- u_char load;
- u_char tag;
- u_char flags;
+struct eigrp_metrics {
+ uint32_t delay;
+ uint32_t bandwidth;
+ unsigned char mtu[3];
+ uint8_t hop_count;
+ uint8_t reliability;
+ uint8_t load;
+ uint8_t tag;
+ uint8_t flags;
};
-struct eigrp
-{
- u_int16_t AS; /* Autonomous system number */
- u_int16_t vrid; /* Virtual Router ID */
- u_char k_values[6]; /*Array for K values configuration*/
- u_char variance; /*Metric variance multiplier*/
- u_char max_paths; /*Maximum allowed paths for 1 prefix*/
+struct eigrp {
+ uint16_t AS; /* Autonomous system number */
+ uint16_t vrid; /* Virtual Router ID */
+ uint8_t k_values[6]; /*Array for K values configuration*/
+ uint8_t variance; /*Metric variance multiplier*/
+ uint8_t max_paths; /*Maximum allowed paths for 1 prefix*/
- /*Name of this EIGRP instance*/
- char *name;
+ /*Name of this EIGRP instance*/
+ char *name;
- /* EIGRP Router ID. */
- u_int32_t router_id; /* Configured automatically. */
- u_int32_t router_id_static; /* Configured manually. */
+ /* EIGRP Router ID. */
+ uint32_t router_id; /* Configured automatically. */
+ uint32_t router_id_static; /* Configured manually. */
- struct list *eiflist; /* eigrp interfaces */
- u_char passive_interface_default; /* passive-interface default */
+ struct list *eiflist; /* eigrp interfaces */
+ uint8_t passive_interface_default; /* passive-interface default */
- unsigned int fd;
- unsigned int maxsndbuflen;
+ unsigned int fd;
+ unsigned int maxsndbuflen;
- u_int32_t sequence_number; /*Global EIGRP sequence number*/
+ uint32_t sequence_number; /*Global EIGRP sequence number*/
- struct stream *ibuf;
- struct list *oi_write_q;
+ struct stream *ibuf;
+ struct list *oi_write_q;
- /*Threads*/
- struct thread *t_write;
- struct thread *t_read;
- struct thread *t_distribute; /* timer for distribute list */
+ /*Threads*/
+ struct thread *t_write;
+ struct thread *t_read;
+ struct thread *t_distribute; /* timer for distribute list */
- struct route_table *networks; /* EIGRP config networks. */
+ struct route_table *networks; /* EIGRP config networks. */
- struct list *topology_table;
+ struct route_table *topology_table;
- uint64_t serno; /* Global serial number counter for topology entry changes*/
- uint64_t serno_last_update; /* Highest serial number of information send by last update*/
- struct list *topology_changes_internalIPV4;
- struct list *topology_changes_externalIPV4;
+ uint64_t serno; /* Global serial number counter for topology entry
+ changes*/
+ uint64_t serno_last_update; /* Highest serial number of information send
+ by last update*/
+ struct list *topology_changes_internalIPV4;
+ struct list *topology_changes_externalIPV4;
- /*Neighbor self*/
- struct eigrp_neighbor *neighbor_self;
+ /*Neighbor self*/
+ struct eigrp_neighbor *neighbor_self;
- /*Configured metric for redistributed routes*/
- struct eigrp_metrics dmetric[ZEBRA_ROUTE_MAX + 1];
- int redistribute; /* Num of redistributed protocols. */
+ /*Configured metric for redistributed routes*/
+ struct eigrp_metrics dmetric[ZEBRA_ROUTE_MAX + 1];
+ int redistribute; /* Num of redistributed protocols. */
- /* Access-list. */
- struct access_list *list[EIGRP_FILTER_MAX];
- /* Prefix-list. */
- struct prefix_list *prefix[EIGRP_FILTER_MAX];
- /* Route-map. */
- struct route_map *routemap[EIGRP_FILTER_MAX];
+ /* Access-list. */
+ struct access_list *list[EIGRP_FILTER_MAX];
+ /* Prefix-list. */
+ struct prefix_list *prefix[EIGRP_FILTER_MAX];
+ /* Route-map. */
+ struct route_map *routemap[EIGRP_FILTER_MAX];
- /* For redistribute route map. */
- struct
- {
- char *name;
- struct route_map *map;
- int metric_config;
- u_int32_t metric;
- } route_map[ZEBRA_ROUTE_MAX];
+ /* For redistribute route map. */
+ struct {
+ char *name;
+ struct route_map *map;
+ int metric_config;
+ uint32_t metric;
+ } route_map[ZEBRA_ROUTE_MAX];
- QOBJ_FIELDS
+ QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(eigrp)
-//------------------------------------------------------------------------------------------------------------------------------------------
-/*EIGRP interface structure*/
-struct eigrp_interface
-{
- /* This interface's parent eigrp instance. */
- struct eigrp *eigrp;
-
- /* Interface data from zebra. */
- struct interface *ifp;
-
- /* Packet send buffer. */
- struct eigrp_fifo *obuf; /* Output queue */
-
- /* To which multicast groups do we currently belong? */
-
- /* Configured varables. */
- struct eigrp_if_params *params;
-
- u_char multicast_memberships;
-
- /* EIGRP Network Type. */
- u_char type;
-
- struct prefix *address; /* Interface prefix */
- struct connected *connected; /* Pointer to connected */
-
- /* Neighbor information. */
- struct list *nbrs; /* EIGRP Neighbor List */
-
- /* Threads. */
- struct thread *t_hello; /* timer */
- struct thread *t_distribute; /* timer for distribute list */
-
- int on_write_q;
-
- /* Statistics fields. */
- u_int32_t hello_in; /* Hello message input count. */
- u_int32_t update_in; /* Update message input count. */
- u_int32_t query_in; /* Querry message input count. */
- u_int32_t reply_in; /* Reply message input count. */
- u_int32_t hello_out; /* Hello message output count. */
- u_int32_t update_out; /* Update message output count. */
- u_int32_t query_out; /* Query message output count. */
- u_int32_t reply_out; /* Reply message output count. */
- u_int32_t siaQuery_in;
- u_int32_t siaQuery_out;
- u_int32_t siaReply_in;
- u_int32_t siaReply_out;
- u_int32_t ack_out;
- u_int32_t ack_in;
-
- u_int32_t crypt_seqnum; /* Cryptographic Sequence Number */
-
- /* Access-list. */
- struct access_list *list[EIGRP_FILTER_MAX];
- /* Prefix-list. */
- struct prefix_list *prefix[EIGRP_FILTER_MAX];
- /* Route-map. */
- struct route_map *routemap[EIGRP_FILTER_MAX];
+struct eigrp_if_params {
+ uint8_t passive_interface;
+ uint32_t v_hello;
+ uint16_t v_wait;
+ uint8_t type; /* type of interface */
+ uint32_t bandwidth;
+ uint32_t delay;
+ uint8_t reliability;
+ uint8_t load;
+
+ char *auth_keychain; /* Associated keychain with interface*/
+ int auth_type; /* EIGRP authentication type */
};
-struct eigrp_if_params
-{
- DECLARE_IF_PARAM (u_char, passive_interface); /* EIGRP Interface is passive: no sending or receiving (no need to join multicast groups) */
- DECLARE_IF_PARAM (u_int32_t, v_hello); /* Hello Interval */
- DECLARE_IF_PARAM (u_int16_t, v_wait); /* Router Hold Time Interval */
- DECLARE_IF_PARAM (u_char, type); /* type of interface */
- DECLARE_IF_PARAM (u_int32_t, bandwidth);
- DECLARE_IF_PARAM (u_int32_t, delay);
- DECLARE_IF_PARAM (u_char, reliability);
- DECLARE_IF_PARAM (u_char, load);
-
- DECLARE_IF_PARAM (char *, auth_keychain ); /* Associated keychain with interface*/
- DECLARE_IF_PARAM (int, auth_type); /* EIGRP authentication type */
+enum { MEMBER_ALLROUTERS = 0,
+ MEMBER_MAX,
};
-enum
-{
- MEMBER_ALLROUTERS = 0, MEMBER_MAX,
-};
+/*EIGRP interface structure*/
+struct eigrp_interface {
+ struct eigrp_if_params params;
-struct eigrp_if_info
-{
- struct eigrp_if_params *def_params;
- struct route_table *params;
- struct route_table *eifs;
- unsigned int membership_counts[MEMBER_MAX]; /* multicast group refcnts */
-};
+ /*multicast group refcnts */
+ bool member_allrouters;
-//------------------------------------------------------------------------------------------------------------------------------------------
+ /* This interface's parent eigrp instance. */
+ struct eigrp *eigrp;
-/* Determines if it is first or last packet
- * when packet consists of multiple packet
- * chunks because of many route TLV
- * (all won't fit into one packet) */
-enum Packet_part_type
-{
- EIGRP_PACKET_PART_NA,
- EIGRP_PACKET_PART_FIRST,
- EIGRP_PACKET_PART_LAST
-};
+ /* Interface data from zebra. */
+ struct interface *ifp;
-/* Neighbor Data Structure */
-struct eigrp_neighbor
-{
- /* This neighbor's parent eigrp interface. */
- struct eigrp_interface *ei;
+ /* Packet send buffer. */
+ struct eigrp_fifo *obuf; /* Output queue */
- /* EIGRP neighbor Information */
- u_char state; /* neigbor status. */
+ /* To which multicast groups do we currently belong? */
- u_int32_t recv_sequence_number; /* Last received sequence Number. */
- u_int32_t init_sequence_number;
- /*If packet is unacknowledged, we try to send it again 16 times*/
- u_char retrans_counter;
+ uint8_t multicast_memberships;
- struct in_addr src; /* Neighbor Src address. */
+ /* EIGRP Network Type. */
+ uint8_t type;
- u_char os_rel_major; // system version - just for show
- u_char os_rel_minor; // system version - just for show
- u_char tlv_rel_major; // eigrp version - tells us what TLV format to use
- u_char tlv_rel_minor; // eigrp version - tells us what TLV format to use
+ struct prefix *address; /* Interface prefix */
- u_char K1;
- u_char K2;
- u_char K3;
- u_char K4;
- u_char K5;
- u_char K6;
+ /* Neighbor information. */
+ struct list *nbrs; /* EIGRP Neighbor List */
- /* Timer values. */
- u_int16_t v_holddown;
+ /* Threads. */
+ struct thread *t_hello; /* timer */
+ struct thread *t_distribute; /* timer for distribute list */
- /* Threads. */
- struct thread *t_holddown;
- struct thread *t_nbr_send_gr; /* thread for sending multiple GR packet chunks */
+ int on_write_q;
- struct eigrp_fifo *retrans_queue;
- struct eigrp_fifo *multicast_queue;
+ /* Statistics fields. */
+ uint32_t hello_in; /* Hello message input count. */
+ uint32_t update_in; /* Update message input count. */
+ uint32_t query_in; /* Querry message input count. */
+ uint32_t reply_in; /* Reply message input count. */
+ uint32_t hello_out; /* Hello message output count. */
+ uint32_t update_out; /* Update message output count. */
+ uint32_t query_out; /* Query message output count. */
+ uint32_t reply_out; /* Reply message output count. */
+ uint32_t siaQuery_in;
+ uint32_t siaQuery_out;
+ uint32_t siaReply_in;
+ uint32_t siaReply_out;
+ uint32_t ack_out;
+ uint32_t ack_in;
- u_int32_t crypt_seqnum; /* Cryptographic Sequence Number. */
+ uint32_t crypt_seqnum; /* Cryptographic Sequence Number */
- /* prefixes not received from neighbor during Graceful restart */
- struct list *nbr_gr_prefixes;
- /* prefixes not yet send to neighbor during Graceful restart */
- struct list *nbr_gr_prefixes_send;
- /* if packet is first or last during Graceful restart */
- enum Packet_part_type nbr_gr_packet_type;
+ /* Access-list. */
+ struct access_list *list[EIGRP_FILTER_MAX];
+ /* Prefix-list. */
+ struct prefix_list *prefix[EIGRP_FILTER_MAX];
+ /* Route-map. */
+ struct route_map *routemap[EIGRP_FILTER_MAX];
+};
+
+/* Determines if it is first or last packet
+ * when packet consists of multiple packet
+ * chunks because of many route TLV
+ * (all won't fit into one packet) */
+enum Packet_part_type {
+ EIGRP_PACKET_PART_NA,
+ EIGRP_PACKET_PART_FIRST,
+ EIGRP_PACKET_PART_LAST
+};
+
+/* Neighbor Data Structure */
+struct eigrp_neighbor {
+ /* This neighbor's parent eigrp interface. */
+ struct eigrp_interface *ei;
+
+ /* EIGRP neighbor Information */
+ uint8_t state; /* neigbor status. */
+
+ uint32_t recv_sequence_number; /* Last received sequence Number. */
+ uint32_t init_sequence_number;
+
+ /*If packet is unacknowledged, we try to send it again 16 times*/
+ uint8_t retrans_counter;
+
+ struct in_addr src; /* Neighbor Src address. */
+
+ uint8_t os_rel_major; // system version - just for show
+ uint8_t os_rel_minor; // system version - just for show
+ uint8_t tlv_rel_major; // eigrp version - tells us what TLV format to
+ // use
+ uint8_t tlv_rel_minor; // eigrp version - tells us what TLV format to
+ // use
+
+ uint8_t K1;
+ uint8_t K2;
+ uint8_t K3;
+ uint8_t K4;
+ uint8_t K5;
+ uint8_t K6;
+
+ /* Timer values. */
+ uint16_t v_holddown;
+
+ /* Threads. */
+ struct thread *t_holddown;
+ struct thread *t_nbr_send_gr; /* thread for sending multiple GR packet
+ chunks */
+
+ struct eigrp_fifo *retrans_queue;
+ struct eigrp_fifo *multicast_queue;
+
+ uint32_t crypt_seqnum; /* Cryptographic Sequence Number. */
+
+ /* prefixes not received from neighbor during Graceful restart */
+ struct list *nbr_gr_prefixes;
+ /* prefixes not yet send to neighbor during Graceful restart */
+ struct list *nbr_gr_prefixes_send;
+ /* if packet is first or last during Graceful restart */
+ enum Packet_part_type nbr_gr_packet_type;
};
//---------------------------------------------------------------------------------------------------------------------------------------------
-struct eigrp_packet
-{
- struct eigrp_packet *next;
- struct eigrp_packet *previous;
+struct eigrp_packet {
+ struct eigrp_packet *next;
+ struct eigrp_packet *previous;
+
+ /* Pointer to data stream. */
+ struct stream *s;
- /* Pointer to data stream. */
- struct stream *s;
+ /* IP destination address. */
+ struct in_addr dst;
- /* IP destination address. */
- struct in_addr dst;
+ /*Packet retransmission thread*/
+ struct thread *t_retrans_timer;
- /*Packet retransmission thread*/
- struct thread *t_retrans_timer;
+ /*Packet retransmission counter*/
+ uint8_t retrans_counter;
- /*Packet retransmission counter*/
- u_char retrans_counter;
+ uint32_t sequence_number;
- u_int32_t sequence_number;
+ /* EIGRP packet length. */
+ uint16_t length;
- /* EIGRP packet length. */
- u_int16_t length;
+ struct eigrp_neighbor *nbr;
};
-struct eigrp_fifo
-{
- struct eigrp_packet *head;
- struct eigrp_packet *tail;
+struct eigrp_fifo {
+ struct eigrp_packet *head;
+ struct eigrp_packet *tail;
- unsigned long count;
+ unsigned long count;
};
-struct eigrp_header
-{
- u_char version;
- u_char opcode;
- u_int16_t checksum;
- u_int32_t flags;
- u_int32_t sequence;
- u_int32_t ack;
- u_int16_t vrid;
- u_int16_t ASNumber;
- char *tlv[0];
+struct eigrp_header {
+ uint8_t version;
+ uint8_t opcode;
+ uint16_t checksum;
+ uint32_t flags;
+ uint32_t sequence;
+ uint32_t ack;
+ uint16_t vrid;
+ uint16_t ASNumber;
+ char *tlv[0];
-}__attribute__((packed));
+} __attribute__((packed));
/**
* | | | |
* +-----+------------------+
*/
-struct eigrp_tlv_hdr_type
-{
- u_int16_t type;
- u_int16_t length;
- uint8_t value[0];
-}__attribute__((packed));
-
-struct TLV_Parameter_Type
-{
- u_int16_t type;
- u_int16_t length;
- u_char K1;
- u_char K2;
- u_char K3;
- u_char K4;
- u_char K5;
- u_char K6;
- u_int16_t hold_time;
-}__attribute__((packed));
-
-struct TLV_MD5_Authentication_Type
-{
- u_int16_t type;
- u_int16_t length;
- u_int16_t auth_type;
- u_int16_t auth_length;
- u_int32_t key_id;
- u_int32_t key_sequence;
- u_char Nullpad[8];
- u_char digest[EIGRP_AUTH_TYPE_MD5_LEN];
-
-}__attribute__((packed));
-
-struct TLV_SHA256_Authentication_Type
-{
- u_int16_t type;
- u_int16_t length;
- u_int16_t auth_type;
- u_int16_t auth_length;
- u_int32_t key_id;
- u_int32_t key_sequence;
- u_char Nullpad[8];
- u_char digest[EIGRP_AUTH_TYPE_SHA256_LEN];
-
-}__attribute__((packed));
-
-struct TLV_Sequence_Type
-{
- u_int16_t type;
- u_int16_t length;
- u_char addr_length;
- struct in_addr *addresses;
-}__attribute__((packed));
-
-struct TLV_Next_Multicast_Sequence
-{
- u_int16_t type;
- u_int16_t length;
- u_int32_t multicast_sequence;
-}__attribute__((packed));
-
-struct TLV_Software_Type
-{
- u_int16_t type;
- u_int16_t length;
- u_char vender_major;
- u_char vender_minor;
- u_char eigrp_major;
- u_char eigrp_minor;
-}__attribute__((packed));
-
-struct TLV_IPv4_Internal_type
-{
- u_int16_t type;
- u_int16_t length;
- struct in_addr forward;
-
- /*Metrics*/
- struct eigrp_metrics metric;
-
- u_char prefix_length;
-
- unsigned char destination_part[4];
- struct in_addr destination;
-}__attribute__((packed));
-
-struct TLV_IPv4_External_type
-{
- u_int16_t type;
- u_int16_t length;
- struct in_addr next_hop;
- struct in_addr originating_router;
- u_int32_t originating_as;
- u_int32_t administrative_tag;
- u_int32_t external_metric;
- u_int16_t reserved;
- u_char external_protocol;
- u_char external_flags;
-
- /*Metrics*/
- struct eigrp_metrics metric;
-
- u_char prefix_length;
- unsigned char destination_part[4];
- struct in_addr destination;
-}__attribute__((packed));
+struct eigrp_tlv_hdr_type {
+ uint16_t type;
+ uint16_t length;
+ uint8_t value[0];
+} __attribute__((packed));
+
+struct TLV_Parameter_Type {
+ uint16_t type;
+ uint16_t length;
+ uint8_t K1;
+ uint8_t K2;
+ uint8_t K3;
+ uint8_t K4;
+ uint8_t K5;
+ uint8_t K6;
+ uint16_t hold_time;
+} __attribute__((packed));
+
+struct TLV_MD5_Authentication_Type {
+ uint16_t type;
+ uint16_t length;
+ uint16_t auth_type;
+ uint16_t auth_length;
+ uint32_t key_id;
+ uint32_t key_sequence;
+ uint8_t Nullpad[8];
+ uint8_t digest[EIGRP_AUTH_TYPE_MD5_LEN];
+
+} __attribute__((packed));
+
+struct TLV_SHA256_Authentication_Type {
+ uint16_t type;
+ uint16_t length;
+ uint16_t auth_type;
+ uint16_t auth_length;
+ uint32_t key_id;
+ uint32_t key_sequence;
+ uint8_t Nullpad[8];
+ uint8_t digest[EIGRP_AUTH_TYPE_SHA256_LEN];
+
+} __attribute__((packed));
+
+struct TLV_Sequence_Type {
+ uint16_t type;
+ uint16_t length;
+ uint8_t addr_length;
+ struct in_addr *addresses;
+} __attribute__((packed));
+
+struct TLV_Next_Multicast_Sequence {
+ uint16_t type;
+ uint16_t length;
+ uint32_t multicast_sequence;
+} __attribute__((packed));
+
+struct TLV_Software_Type {
+ uint16_t type;
+ uint16_t length;
+ uint8_t vender_major;
+ uint8_t vender_minor;
+ uint8_t eigrp_major;
+ uint8_t eigrp_minor;
+} __attribute__((packed));
+
+struct TLV_IPv4_Internal_type {
+ uint16_t type;
+ uint16_t length;
+ struct in_addr forward;
+
+ /*Metrics*/
+ struct eigrp_metrics metric;
+
+ uint8_t prefix_length;
+
+ unsigned char destination_part[4];
+ struct in_addr destination;
+} __attribute__((packed));
+
+struct TLV_IPv4_External_type {
+ uint16_t type;
+ uint16_t length;
+ struct in_addr next_hop;
+ struct in_addr originating_router;
+ uint32_t originating_as;
+ uint32_t administrative_tag;
+ uint32_t external_metric;
+ uint16_t reserved;
+ uint8_t external_protocol;
+ uint8_t external_flags;
+
+ /*Metrics*/
+ struct eigrp_metrics metric;
+
+ uint8_t prefix_length;
+ unsigned char destination_part[4];
+ struct in_addr destination;
+} __attribute__((packed));
/* EIGRP Peer Termination TLV - used for hard restart */
-struct TLV_Peer_Termination_type
-{
- u_int16_t type;
- u_int16_t length;
- u_char unknown;
- u_int32_t neighbor_ip;
+struct TLV_Peer_Termination_type {
+ uint16_t type;
+ uint16_t length;
+ uint8_t unknown;
+ uint32_t neighbor_ip;
} __attribute__((packed));
/* Who executed Graceful restart */
-enum GR_type
-{
- EIGRP_GR_MANUAL,
- EIGRP_GR_FILTER
-};
+enum GR_type { EIGRP_GR_MANUAL, EIGRP_GR_FILTER };
//---------------------------------------------------------------------------------------------------------------------------------------------
/* EIGRP Topology table node structure */
-struct eigrp_prefix_entry
-{
- struct list *entries, *rij;
- u_int32_t fdistance; // FD
- u_int32_t rdistance; // RD
- u_int32_t distance; // D
- struct eigrp_metrics reported_metric; // RD for sending
-
- u_char nt; //network type
- u_char state; //route fsm state
- u_char af; // address family
- u_char req_action; // required action
-
- struct prefix_ipv4 *destination_ipv4; // pointer to struct with ipv4 address
- struct prefix_ipv6 *destination_ipv6; // pointer to struct with ipv6 address
-
- //If network type is REMOTE_EXTERNAL, pointer will have reference to its external TLV
- struct TLV_IPv4_External_type *extTLV;
-
- uint64_t serno; /*Serial number for this entry. Increased with each change of entry*/
+struct eigrp_prefix_entry {
+ struct list *entries, *rij;
+ uint32_t fdistance; // FD
+ uint32_t rdistance; // RD
+ uint32_t distance; // D
+ struct eigrp_metrics reported_metric; // RD for sending
+
+ uint8_t nt; // network type
+ uint8_t state; // route fsm state
+ uint8_t af; // address family
+ uint8_t req_action; // required action
+
+ struct prefix *destination;
+
+ // If network type is REMOTE_EXTERNAL, pointer will have reference to
+ // its external TLV
+ struct TLV_IPv4_External_type *extTLV;
+
+ uint64_t serno; /*Serial number for this entry. Increased with each
+ change of entry*/
};
/* EIGRP Topology table record structure */
-struct eigrp_neighbor_entry
-{
- struct eigrp_prefix_entry *prefix;
- u_int32_t reported_distance; //distance reported by neighbor
- u_int32_t distance; //sum of reported distance and link cost to advertised neighbor
-
- struct eigrp_metrics reported_metric;
- struct eigrp_metrics total_metric;
+struct eigrp_nexthop_entry {
+ struct eigrp_prefix_entry *prefix;
+ uint32_t reported_distance; // distance reported by neighbor
+ uint32_t distance; // sum of reported distance and link cost to
+ // advertised neighbor
- struct eigrp_neighbor *adv_router; //ip address of advertising neighbor
- u_char flags; //used for marking successor and FS
+ struct eigrp_metrics reported_metric;
+ struct eigrp_metrics total_metric;
- struct eigrp_interface *ei; //pointer for case of connected entry
+ struct eigrp_neighbor *adv_router; // ip address of advertising neighbor
+ uint8_t flags; // used for marking successor and FS
+ struct eigrp_interface *ei; // pointer for case of connected entry
};
//---------------------------------------------------------------------------------------------------------------------------------------------
+typedef enum {
+ EIGRP_CONNECTED,
+ EIGRP_INT,
+ EIGRP_EXT,
+} msg_data_t;
/* EIGRP Finite State Machine */
-struct eigrp_fsm_action_message
-{
- u_char packet_type; //UPDATE, QUERY, SIAQUERY, SIAREPLY
- struct eigrp *eigrp; // which thread sent mesg
- struct eigrp_neighbor *adv_router; //advertising neighbor
- struct eigrp_neighbor_entry *entry;
- struct eigrp_prefix_entry *prefix;
- int data_type; // internal or external tlv type
- union{
- struct TLV_IPv4_External_type *ipv4_ext_data;
- struct TLV_IPv4_Internal_type *ipv4_int_type;
- }data;
+struct eigrp_fsm_action_message {
+ uint8_t packet_type; // UPDATE, QUERY, SIAQUERY, SIAREPLY
+ struct eigrp *eigrp; // which thread sent mesg
+ struct eigrp_neighbor *adv_router; // advertising neighbor
+ struct eigrp_nexthop_entry *entry;
+ struct eigrp_prefix_entry *prefix;
+ msg_data_t data_type; // internal or external tlv type
+ struct eigrp_metrics metrics;
+ enum metric_change change;
};
#endif /* _ZEBRA_EIGRP_STRUCTURES_H_ */
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