diff options
| author | Ondrej Zajicek <santiago@crfreenet.org> | 2013-09-26 22:08:21 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2013-09-26 22:08:21 +0200 |
| commit | a5fc59587fe864e4fcfb44eb3be57231b4ca339b (patch) | |
| tree | 8c9459d5a432e85e8a3febb0c42fa6674fede9df /doc/bird.sgml | |
| parent | 4df2019ebfc0f77feb16b6a33dea6d5ac595f55e (diff) | |
Rewrites static attribute filter code and adds ifname/ifindex attributes.
Thanks to Sergey Popovich for the original ifname/ifindex patch.
Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index b3f6a85c..f43eb4bf 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -928,10 +928,16 @@ incompatible with each other (that is to prevent you from shooting in the foot). from 0 to 255. Literals of this type are written like IPv4 addresses. - <tag/string/ This is a string of characters. There are no ways to modify strings in - filters. You can pass them between functions, assign them to variables of type <cf/string/, print - such variables, but you can't concatenate two strings. String literals - are written as <cf/"This is a string constant"/. + <tag/string/ This is a string of characters. There are no ways + to modify strings in filters. You can pass them between + functions, assign them to variables of type <cf/string/, + print such variables, use standard string comparison + operations (e.g. <cf/=, !=, <, >, <=, >=/), but + you can't concatenate two strings. String literals are + written as <cf/"This is a string constant"/. Additionaly + matching <cf/˜/ operator could be used to match a + string value against a shell pattern (represented also as a + string). <tag/ip/ This type can hold a single IP address. Depending on the compile-time configuration of BIRD you are using, it is either an IPv4 or IPv6 address. IP addresses are written in the standard notation (<cf/10.20.30.40/ or <cf/fec0:3:4::1/). You can apply special operator <cf>.mask(<M>num</M>)</cf> @@ -1194,7 +1200,6 @@ undefined value is regarded as empty clist for most purposes. what protocol has told me about this route. Possible values: <cf/RTS_DUMMY/, <cf/RTS_STATIC/, <cf/RTS_INHERIT/, <cf/RTS_DEVICE/, <cf/RTS_STATIC_DEVICE/, <cf/RTS_REDIRECT/, <cf/RTS_RIP/, <cf/RTS_OSPF/, <cf/RTS_OSPF_IA/, <cf/RTS_OSPF_EXT1/, <cf/RTS_OSPF_EXT2/, <cf/RTS_BGP/, <cf/RTS_PIPE/. <tag><m/enum/ cast</tag> - Route type (Currently <cf/RTC_UNICAST/ for normal routes, <cf/RTC_BROADCAST/, <cf/RTC_MULTICAST/, <cf/RTC_ANYCAST/ will be used in the future for broadcast, multicast and anycast @@ -1212,6 +1217,19 @@ undefined value is regarded as empty clist for most purposes. only to <cf/RTD_BLACKHOLE/, <cf/RTD_UNREACHABLE/ or <cf/RTD_PROHIBIT/. + <tag><m/string/ ifname</tag> + Name of the outgoing interface. Sink routes (like blackhole, + unreachable or prohibit) and multipath routes have no interface + associated with them, so <cf/ifname/ returns an empty string for + such routes. Read-only. + + <tag><m/int/ ifindex</tag> + Index of the outgoing interface. System wide index of the + interface. May be used for interface matching, however + indexes might change on interface creation/removal. Zero is + returned for routes with undefined outgoing + interfaces. Read-only. + <tag><m/int/ igp_metric</tag> The optional attribute that can be used to specify a distance to the network for routes that do not have a native protocol |