diff options
Diffstat (limited to 'proto/static/static.h')
| -rw-r--r-- | proto/static/static.h | 54 |
1 files changed, 37 insertions, 17 deletions
diff --git a/proto/static/static.h b/proto/static/static.h index 6b047234..b202c0b1 100644 --- a/proto/static/static.h +++ b/proto/static/static.h @@ -11,41 +11,61 @@ #include "nest/route.h" #include "nest/bfd.h" +#include "lib/buffer.h" struct static_config { struct proto_config c; - list iface_routes; /* Routes to search on interface events */ - list other_routes; /* Routes hooked to neighbor cache and reject routes */ + list routes; /* List of static routes (struct static_route) */ int check_link; /* Whether iface link state is used */ - struct rtable_config *igp_table; /* Table used for recursive next hop lookups */ + struct rtable_config *igp_table_ip4; /* Table for recursive IPv4 next hop lookups */ + struct rtable_config *igp_table_ip6; /* Table for recursive IPv6 next hop lookups */ }; +struct static_proto { + struct proto p; -void static_init_config(struct static_config *); + struct event *event; /* Event for announcing updated routes */ + BUFFER(struct static_route *) marked; /* Routes marked for reannouncement */ + rtable *igp_table_ip4; /* Table for recursive IPv4 next hop lookups */ + rtable *igp_table_ip6; /* Table for recursive IPv6 next hop lookups */ +}; struct static_route { node n; - struct static_route *chain; /* Next for the same neighbor */ - ip_addr net; /* Network we route */ - int masklen; /* Mask length */ - int dest; /* Destination type (RTD_*) */ + net_addr *net; /* Network we route */ ip_addr via; /* Destination router */ - struct iface *via_if; /* Destination iface, for link-local vias */ - struct neighbor *neigh; - byte *if_name; /* Name for RTD_DEVICE routes */ - struct static_route *mp_next; /* Nexthops for RTD_MULTIPATH routes */ + struct iface *iface; /* Destination iface, for link-local vias or device routes */ + struct neighbor *neigh; /* Associated neighbor entry */ + struct static_route *chain; /* Next for the same neighbor */ + struct static_route *mp_head; /* First nexthop of this route */ + struct static_route *mp_next; /* Nexthops for multipath routes */ struct f_inst *cmds; /* List of commands for setting attributes */ - int installed; /* Installed in rt table, -1 for reinstall */ - int use_bfd; /* Configured to use BFD */ + byte dest; /* Destination type (RTD_*) */ + byte state; /* State of route announcement (SRS_*) */ + byte active; /* Next hop is active (nbr/iface/BFD available) */ + byte onlink; /* Gateway is onlink regardless of IP ranges */ + byte weight; /* Multipath next hop weight */ + byte use_bfd; /* Configured to use BFD */ struct bfd_request *bfd_req; /* BFD request, if BFD is used */ + mpls_label_stack *mls; /* MPLS label stack; may be NULL */ }; -/* Dummy nodes (parts of multipath route) abuses masklen field for weight - and if_name field for a ptr to the master (RTD_MULTIPATH) node. */ - +/* + * Note that data fields neigh, chain, state, active and bfd_req are runtime + * data, not real configuration data. Must be handled carefully. + * + * Regular (i.e. dest == RTD_UNICAST) routes use static_route structure for + * additional next hops (fields mp_head, mp_next). Note that 'state' is for + * whole route, while 'active' is for each next hop. Also note that fields + * mp_head, mp_next, active are zero for other kinds of routes. + */ #define RTDX_RECURSIVE 0x7f /* Phony dest value for recursive routes */ +#define SRS_DOWN 0 /* Route is not announced */ +#define SRS_CLEAN 1 /* Route is active and announced */ +#define SRS_DIRTY 2 /* Route changed since announcement */ + void static_show(struct proto *); #endif |