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2016-11-08Merge tag 'v1.6.2' into int-newOndrej Zajicek (work)
2016-09-29Kernel socket missing err_hook fixJan Moskyto Matejka
Thanks to Tim Weippert for bugreport.
2016-09-19KRT: Add krt_scope attributeOndrej Zajicek (work)
Add a new route attribute, krt_scope, to expose the Linux kernel route scope. Constants from /etc/iproute2/rt_scopes (prefixed by "ips_") are expected to be used with the attribute. Both import and export are supported. Also, the patch fixes device route export to the kernel, by setting link scope automatically.
2016-09-15KRT: Add kernel metric protocol optionOndrej Zajicek (work)
Kernel routes with different metrics do not clash with each other, therefore using dedicated metric value is a reliable way to avoid overwriting routes from other sources (e.g. kernel device routes). Although kernel route metric could already be set as a route attribute by filters, that is not consistent with the way how Linux kernel handles route metric - not just a route attribute, but a part of a route key.
2016-09-14KRT: Support for IPv6 ECMPOndrej Zajicek (work)
Linux represents IPv6 ECMP routes as a sequence of unipath routes with the same prefix. We have to translate between our representation (one route with multipath next hop) and the Linux representation in both directions. Proper learning of alien IPv6 ECMP routes still not supported. Thanks to Mikhail Sennikovskii for the original patch.
2016-08-30KRT: Forbid path merging on BSDOndrej Zajicek (work)
We support ECMP routes only on Linux. Exported routes are checked in krt_capable(), but a route generated during path merging avoids this check.
2016-07-20Netlink: Fix build with older headers missing IFA_FLAGSOndrej Zajicek (work)
2016-07-20Netlink: Ignore tentative addressesOndrej Zajicek (work)
Ignore tentative IPv6 addresses and wait until finish of Duplicate Address Detection (We got notification when an address is no longer tentative) to avoid problems when protocols try to use interfaces with tentative link-local addresses. Based on patch from Jan Moskyto Matejka
2016-05-17IO: Minor changes in socket AF handingOndrej Zajicek (work)
AF can be specified implicitly by saddr or daddr, flags SKF_V4ONLY and SKF_V6ONLY are to be removed.
2016-05-12Merge remote-tracking branch 'origin/master' into int-newOndrej Zajicek (work)
2016-05-10netlink: update struct msghdrStijn Tintel
The netlink code assumes an order for the members of struct msghdr. This breaks recvmsg and sendmsg with musl libc on mips64. Fix this by using designated initializers instead. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2016-05-10Merge branch 'int-new' into int-new-mergedJan Moskyto Matejka
2016-05-10Portability: Fixed C extension error generated by CLang.Jan Moskyto Matejka
sysdep/linux/netlink.c:921:10: error: fields must have a constant size: 'variable length array in structure' extension will never be supported char buf[128 + KRT_METRICS_MAX*8 + nh_bufsize(a->nexthops)]; ^ 1 error generated.
2016-05-10Build system reworked to one global Makefile with includes and no nestingJan Moskyto Matejka
Also removed the lib-dir merging with sysdep. Updated #include's accordingly. Fixed make doc on recent Debian together with moving generated doc into objdir. Moved Makefile.in into root dir Retired all.o and birdlib.a Linking the final binaries directly from all the .o files.
2016-04-13BSD: Add the IPsec SA/SP database entries controlOndrej Zajicek (work)
Add code for manipulation with TCP-MD5 keys in the IPsec SA/SP database at FreeBSD systems. Now, BGP MD5 authentication (RFC 2385) keys are handled automatically on both Linux and FreeBSD. Based on patches from Pavel Tvrdik.
2016-04-08Merge branch 'master' into int-new-channelsJan Moskyto Matejka
2016-04-06KRT: Fix route learn scan when route changedOndrej Zajicek (work)
When a kernel route changed, function krt_learn_scan() noticed that and replaced the route in internal kernel FIB, but after that, function krt_learn_prune() failed to propagate the new route to the nest, because it confused the new route with the (removed) old best route and decided that the best route did not changed. Wow, the original code (and the bug) is almost 17 years old.
2016-02-01Channels - explicit links between protocols and tablesOndrej Zajicek (work)
The patch adds support for channels, structures connecting protocols and tables and handling most interactions between them. The documentation is missing yet.
2016-01-11Hidden AF_INET* inside sysdep/Jan Moskyto Matejka
2015-12-29Explicit ip4_addr / ip6_addr printf supportOndrej Zajicek (work)
2015-12-29Netlink: Removed forgotten if-stub (caused strange errors)Jan Moskyto Matejka
2015-12-21Follow-up work on integrationOndrej Zajicek (work)
Contains some patches from Jan Moskyto Matejka
2015-12-21Follow-up work on integrationOndrej Zajicek (work)
2015-12-20KRT: Integration of IPv4/IPv6 in sysdep/linuxOndrej Zajicek (work)
2015-12-19Removed BITS_PER_IP_ADDRESS, MAX_PREFIX_LENGTH, BIRD_AFJan Moskyto Matejka
Explicit setting of AF_INET(6|) in IP socket creation. BFD set to listen on v6, without setting the V6ONLY flag to catch both v4 and v6 traffic. Squashing and minor changes by Ondrej Santiago Zajicek
2015-12-18Netlink and BSD: Integrating IPv4 and IPv6Jan Moskyto Matejka
Squashing and minor changes by Ondrej Santiago Zajicek
2015-11-25Merge branch 'master' into int-newOndrej Zajicek (work)
2015-11-24Netlink: attribute validation before parsingJan Moskyto Matejka
Wanted netlink attributes are defined in a table, specifying their size and neediness. Removing the long conditions that did the validation before. Also parsing IPv4 and IPv6 versions regardless on the IPV6 macro.
2015-11-23Nest: Fix bug in device protoOndrej Zajicek (work)
If an interface address notification is received during device protocol shutdown/restart, BIRD crashed. Thanks to Wei Huang for the bugreport.
2015-11-11Fix compiling with --enable-debug optionPavel Tvrdík
2015-11-11Netlink: Allow more than 256 routing tables.Jan Moskyto Matejka
Since 2.6.19, the netlink API defines RTA_TABLE routing attribute to allow 32-bit routing table IDs. Using this attribute to index routing tables at Linux, instead of 8-bit rtm_table field.
2015-11-05Initial commit on integrated BIRDOndrej Zajicek (work)
New data types net_addr and variants (in lib/net.h) describing network addresses (prefix/pxlen). Modifications of FIB structures to handle these data types and changing everything to use these data types instead of prefix/pxlen pairs where possible. The commit is WiP, some protocols are not yet updated (BGP, Kernel), and the code contains some temporary scaffolding. Comments are welcome.
2015-10-17Minor changesOndrej Zajicek (work)
2015-07-28Netlink: Fixes uninitialized variableOndrej Zajicek
Thanks to Pavel Tvrdik for the bugfix
2015-06-08KRT: Fixes some minor bugs in kernel protocolOndrej Zajicek
2015-06-08unsigned [int] -> uintPavel Tvrdík
2015-05-13Fix in the last commitOndrej Zajicek
2015-05-12KRT: Add support for plenty of kernel route metricsOndrej Zajicek
Linux kernel route metrics (RTA_METRICS netlink route attribute) are represented and accessible as new route attributes: krt_mtu, krt_window, krt_rtt, krt_rttvar, krt_sstresh, krt_cwnd, krt_advmss, krt_reordering, krt_hoplimit, krt_initcwnd, krt_rto_min, krt_initrwnd, krt_quickack, krt_lock_mtu, krt_lock_window, krt_lock_rtt, krt_lock_rttvar, krt_lock_sstresh, krt_lock_cwnd, krt_lock_advmss, krt_lock_reordering, krt_lock_hoplimit, krt_lock_rto_min, krt_feature_ecn, krt_feature_allfrag
2015-03-31Understand IFF_MULTICAST flag on ifaces in LinuxOndrej Zajicek
Unfortunately, some interfaces support multicast but do not have this flag set, so we use it only as a positive hint. Thanks to Clint Armstrong for noticing the problem.
2015-02-21Use AF_UNSPEC for RTM_GETLINKOndrej Zajicek
This value is specified in documentation.
2014-10-02Implements token bucket filter for rate limiting.Ondrej Zajicek
2014-06-26Ensures that msg_controllen includes last padding.Ondrej Zajicek
Although RFC 3542 allows both cases, Theo de Raadt thinks he knows better, and msg_controllen without last padding fails on OpenBSD. Thanks to Job Snijders for the bugreport.
2014-05-18IPv4/IPv6 integrated socket code.Ondrej Zajicek
2014-03-31Fixes build on some old systems.Ondrej Zajicek
2014-02-26Fixes longstanding issue with interfaces staying in IF_TMP_DOWN.Ondrej Zajicek
Thanks to Pierluigi Rolando and others for the bugreport.
2014-02-06Many changes in I/O and OSPF sockets and packet handling.Ondrej Zajicek
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
2013-11-25Merge branch 'master' into add-pathOndrej Zajicek
2013-11-25Changes primary addr selection on BSD to respect SIOCGIFADDR ioctl() result.Ondrej Zajicek
Thanks to Alexander V. Chernikov for the original patch.
2013-11-23Removes workaround related to import of kernel device routes.Ondrej Zajicek
Thanks to Benjamin Cama for notification.
2013-11-23Merge branch 'master' into add-pathOndrej Zajicek
Conflicts: filter/filter.c nest/proto.c nest/rt-table.c proto/bgp/bgp.h proto/bgp/config.Y
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