diff options
Diffstat (limited to 'proto/radv/radv.h')
| -rw-r--r-- | proto/radv/radv.h | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/proto/radv/radv.h b/proto/radv/radv.h index 60b9980f..3bc18249 100644 --- a/proto/radv/radv.h +++ b/proto/radv/radv.h @@ -54,6 +54,10 @@ struct radv_config ip_addr trigger_prefix; /* Prefix of a trigger route, if defined */ u8 trigger_pxlen; /* Pxlen of a trigger route, if defined */ u8 trigger_valid; /* Whether a trigger route is defined */ + u8 propagate_routes; /* Do we propagate more specific routes (RFC 4191)? */ + u32 route_lifetime; /* Lifetime for the RFC 4191 routes */ + u32 route_lifetime_sensitive; /* Whether route_lifetime depends on trigger */ + u32 route_linger_time; /* For how long we advertise dead routes with lifetime = 0 */ }; struct radv_iface_config @@ -117,12 +121,32 @@ struct radv_dnssl_config char *domain; /* Domain for DNS search list, in processed form */ }; +/* + * One more specific route as per RFC 4191. + * + * Note that it does *not* contain the next hop field. The next hop is always + * the router sending the advertisment and the more specific route only allows + * overriding the preference of the route. + */ +struct radv_route +{ + struct fib_node n; + u32 lifetime; /* Lifetime from an attribute */ + u8 lifetime_set; /* Is the lifetime set by an attribute? */ + u8 preference; /* Preference of the route, RA_PREF_* */ + u8 alive; + bird_clock_t expires; /* Time to remove when !alive */ +}; struct radv_proto { struct proto p; list iface_list; /* List of active ifaces */ + u8 valid; /* Router is valid for forwarding, used for shutdown */ u8 active; /* Whether radv is active w.r.t. triggers */ + u8 fib_up; /* FIB table (routes) is initialized */ + struct fib routes; /* FIB table of specific routes (struct radv_route) */ + bird_clock_t prune_time; /* Next time of route table pruning */ }; struct radv_prefix /* One prefix we advertise */ @@ -147,7 +171,7 @@ struct radv_iface struct ifa *addr; /* Link-local address of iface */ struct pool *pool; /* A pool for interface-specific things */ list prefixes; /* The prefixes we advertise (struct radv_prefix) */ - bird_clock_t prefix_expires; /* When the soonest prefix expires (0 = none dead) */ + bird_clock_t prune_time; /* Next time of prefix list pruning */ timer *timer; struct object_lock *lock; @@ -161,7 +185,6 @@ struct radv_iface #define RA_EV_INIT 1 /* Switch to initial mode */ #define RA_EV_CHANGE 2 /* Change of options or prefixes */ #define RA_EV_RS 3 /* Received RS */ -#define RA_EV_GC 4 /* Internal garbage collection of prefixes */ /* Default Router Preferences (RFC 4191) */ #define RA_PREF_LOW 0x18 @@ -169,6 +192,9 @@ struct radv_iface #define RA_PREF_HIGH 0x08 #define RA_PREF_MASK 0x18 +/* Attributes */ +#define EA_RA_PREFERENCE EA_CODE(EAP_RADV, 0) +#define EA_RA_LIFETIME EA_CODE(EAP_RADV, 1) #ifdef LOCAL_DEBUG #define RADV_FORCE_DEBUG 1 @@ -184,7 +210,7 @@ void radv_iface_notify(struct radv_iface *ifa, int event); /* packets.c */ int radv_process_domain(struct radv_dnssl_config *cf); -void radv_send_ra(struct radv_iface *ifa, int shutdown); +void radv_send_ra(struct radv_iface *ifa); int radv_sk_open(struct radv_iface *ifa); |