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bird/sysdep/cf/README

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Cleaned up system configuration files -- removed few obsolete parameters, documented the remaining ones (sysdep/cf/README). Available configurations: o linux-20: Old Linux interface via /proc/net/route (selected by default on pre-2.1 kernels). o linux-21: Old Linux interface, but device routes handled by the kernel (selected by default for 2.1 and newer kernels). o linux-22: Linux with Netlink (I play with it a lot yet, so it isn't a default). o linux-ipv6: Prototype config for IPv6 on Linux. Not functional yet.
1999-03-27 22:51:05 +00:00
Available configuration variables:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CONFIG_AUTO_ROUTES Device routes are added automagically by the kernel
Defined CONFIG_SELF_CONSCIOUS whenever the kernel scanner is able to distinguish between our own routes and alien ones.
1999-04-03 13:00:52 +00:00
CONFIG_SELF_CONSCIOUS We're able to recognize whether route was installed by us
Kernel route syncer supports multiple tables. The changes are just too extensive for lazy me to list them there, but see the comment at the top of sysdep/unix/krt.c. The code got a bit more ifdeffy than I'd like, though. Also fixed a bunch of FIXME's and added a couple of others. :)
1999-08-03 19:33:22 +00:00
CONFIG_MULTIPLE_TABLES The kernel supports multiple routing tables
CONFIG_ALL_TABLES_AT_ONCE Kernel scanner wants to process all tables at once
KRT: Fixes learning of preferred kernel routes. When a new route was imported from kernel and chosen as preferred, then the old best route was propagated as a withdraw to the kernel protocol. Under some circumstances such withdraw propagated to the BSD kernel could remove the new alien route and thus reverting the import.
2015-04-25 18:43:43 +00:00
CONFIG_SINGLE_ROUTE There is only one route per network
Cleaned up system configuration files -- removed few obsolete parameters, documented the remaining ones (sysdep/cf/README). Available configurations: o linux-20: Old Linux interface via /proc/net/route (selected by default on pre-2.1 kernels). o linux-21: Old Linux interface, but device routes handled by the kernel (selected by default for 2.1 and newer kernels). o linux-22: Linux with Netlink (I play with it a lot yet, so it isn't a default). o linux-ipv6: Prototype config for IPv6 on Linux. Not functional yet.
1999-03-27 22:51:05 +00:00
Cleanup in sysdep KRT code, part 2. Remove support for historic Linux kernels, merge krt-iface, krt-set and krt-scan stub headers.
2012-04-30 20:21:52 +00:00
CONFIG_MC_PROPER_SRC Multicast packets have source address according to socket saddr field
typo in README
2004-06-04 17:32:38 +00:00
CONFIG_SKIP_MC_BIND Don't call bind on multicast socket (def for *BSD)
Many changes in I/O and OSPF sockets and packet handling. I/O: - BSD: specify src addr on IP sockets by IP_HDRINCL - BSD: specify src addr on UDP sockets by IP_SENDSRCADDR - Linux: specify src addr on IP/UDP sockets by IP_PKTINFO - IPv6: specify src addr on IP/UDP sockets by IPV6_PKTINFO - Alternative SKF_BIND flag for binding to IP address - Allows IP/UDP sockets without tx_hook, on these sockets a packet is discarded when TX queue is full - Use consistently SOL_ for socket layer values. OSPF: - Packet src addr is always explicitly set - Support for secondary addresses in BSD - Dynamic RX/TX buffers - Fixes some minor buffer overruns - Interface option 'tx length' - Names for vlink pseudoifaces (vlinkX) - Vlinks use separate socket for TX - Vlinks do not use fixed associated iface - Fixes TTL for direct unicast packets - Fixes DONTROUTE for OSPF sockets - Use ifa->ifname instead of ifa->iface->name
2014-02-06 16:46:01 +00:00
CONFIG_NO_IFACE_BIND Bind to iface is not available, use workarounds (def for *BSD)
Cleanup in sysdep KRT code, part 2. Remove support for historic Linux kernels, merge krt-iface, krt-set and krt-scan stub headers.
2012-04-30 20:21:52 +00:00
CONFIG_UNIX_DONTROUTE Use setsockopts DONTROUTE (undef for *BSD)
Many changes in I/O and OSPF sockets and packet handling. I/O: - BSD: specify src addr on IP sockets by IP_HDRINCL - BSD: specify src addr on UDP sockets by IP_SENDSRCADDR - Linux: specify src addr on IP/UDP sockets by IP_PKTINFO - IPv6: specify src addr on IP/UDP sockets by IPV6_PKTINFO - Alternative SKF_BIND flag for binding to IP address - Allows IP/UDP sockets without tx_hook, on these sockets a packet is discarded when TX queue is full - Use consistently SOL_ for socket layer values. OSPF: - Packet src addr is always explicitly set - Support for secondary addresses in BSD - Dynamic RX/TX buffers - Fixes some minor buffer overruns - Interface option 'tx length' - Names for vlink pseudoifaces (vlinkX) - Vlinks use separate socket for TX - Vlinks do not use fixed associated iface - Fixes TTL for direct unicast packets - Fixes DONTROUTE for OSPF sockets - Use ifa->ifname instead of ifa->iface->name
2014-02-06 16:46:01 +00:00
CONFIG_USE_HDRINCL Use IP_HDRINCL instead of control messages for source address on raw IP sockets.
Allows run with restricted privileges. Adds option -u and -g to specify user and group. When different user (than root) is specified, linux capabilities CAP_NET_* are kept.
2011-05-10 00:42:17 +00:00
Cleanup in sysdep KRT code, part 2. Remove support for historic Linux kernels, merge krt-iface, krt-set and krt-scan stub headers.
2012-04-30 20:21:52 +00:00
CONFIG_RESTRICTED_PRIVILEGES Implements restricted privileges using drop_uid()
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