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Allows to set instance ID for OSPFv3 interfaces.

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This commit is contained in:
Ondrej Zajicek 2012-05-11 18:52:59 +02:00
parent 47c447c42e
commit 0ec031f740
2 changed files with 32 additions and 12 deletions
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19
doc/bird.sgml
View File

@ -1811,7 +1811,7 @@ protocol ospf <name> {
summary <switch>; summary <switch>;
cost <num>; cost <num>;
} }
interface <interface pattern> { interface <interface pattern> [instance <num>] {
cost <num>; cost <num>;
stub <switch>; stub <switch>;
hello <num>; hello <num>;
@ -1841,7 +1841,7 @@ protocol ospf <name> {
<ip> eligible; <ip> eligible;
}; };
}; };
virtual link <id> { virtual link <id> [instance <num>] {
hello <num>; hello <num>;
retransmit <num>; retransmit <num>;
wait <num>; wait <num>;
@ -1961,14 +1961,19 @@ protocol ospf <name> {
subnetworks of given stub network are suppressed. This might subnetworks of given stub network are suppressed. This might
be used, for example, to aggregate generated stub networks. be used, for example, to aggregate generated stub networks.
<tag>interface <M>pattern</M></tag> <tag>interface <M>pattern</M> [instance <m/num/]</tag>
Defines that the specified interfaces belong to the area being defined. Defines that the specified interfaces belong to the area being defined.
See <ref id="dsc-iface" name="interface"> common option for detailed description. See <ref id="dsc-iface" name="interface"> common option for detailed description.
In OSPFv3, you can specify instance ID for that interface
description, so it is possible to have several instances of
that interface with different options or even in different areas.
<tag>virtual link <M>id</M></tag> <tag>virtual link <M>id</M> [instance <m/num/]</tag>
Virtual link to router with the router id. Virtual link acts as a Virtual link to router with the router id. Virtual link acts
point-to-point interface belonging to backbone. The actual area is as a point-to-point interface belonging to backbone. The
used as transport area. This item cannot be in the backbone. actual area is used as transport area. This item cannot be in
the backbone. In OSPFv3, you could also use several virtual
links to one destination with different instance IDs.
<tag>cost <M>num</M></tag> <tag>cost <M>num</M></tag>
Specifies output cost (metric) of an interface. Default value is 10. Specifies output cost (metric) of an interface. Default value is 10.

25
proto/ospf/config.Y
View File

@ -107,7 +107,17 @@ static inline void
check_defcost(int cost) check_defcost(int cost)
{ {
if ((cost <= 0) || (cost >= LSINFINITY)) if ((cost <= 0) || (cost >= LSINFINITY))
cf_error("Default cost must be in range 1-%d", LSINFINITY); cf_error("Default cost must be in range 1-%d", LSINFINITY-1);
}
static inline void
set_instance_id(unsigned id)
{
#ifdef OSPFv3
OSPF_PATT->instance_id = id;
#else
cf_error("Instance ID requires OSPFv3");
#endif
} }
CF_DECLS CF_DECLS
@ -120,7 +130,7 @@ CF_KEYWORDS(NONE, SIMPLE, AUTHENTICATION, STRICT, CRYPTOGRAPHIC)
CF_KEYWORDS(ELIGIBLE, POLL, NETWORKS, HIDDEN, VIRTUAL, CHECK, LINK) CF_KEYWORDS(ELIGIBLE, POLL, NETWORKS, HIDDEN, VIRTUAL, CHECK, LINK)
CF_KEYWORDS(RX, BUFFER, LARGE, NORMAL, STUBNET, HIDDEN, SUMMARY, TAG, EXTERNAL) CF_KEYWORDS(RX, BUFFER, LARGE, NORMAL, STUBNET, HIDDEN, SUMMARY, TAG, EXTERNAL)
CF_KEYWORDS(WAIT, DELAY, LSADB, ECMP, LIMIT, WEIGHT, NSSA, TRANSLATOR, STABILITY) CF_KEYWORDS(WAIT, DELAY, LSADB, ECMP, LIMIT, WEIGHT, NSSA, TRANSLATOR, STABILITY)
CF_KEYWORDS(GLOBAL, LSID, ROUTER, SELF) CF_KEYWORDS(GLOBAL, LSID, ROUTER, SELF, INSTANCE)
%type <t> opttext %type <t> opttext
%type <ld> lsadb_args %type <ld> lsadb_args
@ -218,8 +228,8 @@ ospf_stubnet_item:
; ;
ospf_vlink: ospf_vlink:
ospf_vlink_start '{' ospf_vlink_opts '}' { ospf_iface_finish(); } ospf_vlink_start ospf_instance_id '{' ospf_vlink_opts '}' { ospf_iface_finish(); }
| ospf_vlink_start { ospf_iface_finish(); } | ospf_vlink_start ospf_instance_id { ospf_iface_finish(); }
; ;
ospf_vlink_opts: ospf_vlink_opts:
@ -364,6 +374,11 @@ ospf_iface_start:
} }
; ;
ospf_instance_id:
/* empty */
| INSTANCE expr { set_instance_id($2); }
;
ospf_iface_opts: ospf_iface_opts:
/* empty */ /* empty */
| ospf_iface_opts ospf_iface_item ';' | ospf_iface_opts ospf_iface_item ';'
@ -375,7 +390,7 @@ ospf_iface_opt_list:
; ;
ospf_iface: ospf_iface:
ospf_iface_start iface_patt_list ospf_iface_opt_list { ospf_iface_finish(); } ospf_iface_start iface_patt_list ospf_instance_id ospf_iface_opt_list { ospf_iface_finish(); }
; ;
opttext: opttext: