ChangeLog discontinued, git history can be found here:

http://git.infradead.org/users/tgr/libnl.git

Summary of Changes from 1.0-pre6 to 1.0-pre7

================================================

	Thomas Graf <tgraf@suug.ch>

	  o Generic netlink support

	  o Route Addition/Deletion

	  o Added nl_cache_subset()

	  o Have nl_object_clone() make real clones without

	    sharing any data.

	  o Remove old nl_object_alloc() not based on a object

	    operations to avoid bugs due to missing init.

	  o Added nl-list-caches utility

	  o Removed nlmsg_build_no_hdr(), duplicate

	  o Reworked message interface

	  o Fixed nlmsg_put() and genlmsg_put() to correctly reserve

	    tail room for user specific headers.

	  o Added nl_cache_move()

	  o Renamed nl_cache_delete() to nl_cache_remove() (no API break)

	  o Fixed reference counting while objects stay in caches.

	  o Object marking

	  o Moved attribute mask for objects into generic structure

	  o nl-list-caches: List available dump procedures

	  o Use PAGE_SIZE as initial buffer size when reading from

	    netlink socket

	  o Double buffer size when recv() returns MSG_TRUNC

	  o Replaced filter object operation with new compare operation

	    capable of listing differences between two objects

	  o Added nl_object_identical() to check if two objects are

	    identical from a uniqueness point of view

	  o Added nl_object_diff() returning a bitmask of differences in

	    attributes

	  o Added nl_object_attr_list() generating a list of attribute

	    name the object has assigned 

	  o Cache updates based on event notifications, code based on

	    Patrick McHardy's patches

	  o Cache Manager

	  o Added NL_AUTO_PID, NL_AUTO_SEQ for convenience

	  o Disable MSG_PEEK by default and provide nl_socket_enable_msg_peek()

	  o Fixed nl_recvmsgs() to return 0 when interrupted via NL_STOP or

	    NL_SKIP

	  o Fixed nl_recvmsgs() to stop reading after parsing if not in the

	    middle of a multipart message.

	  o Fixed nl_recvmsgs() to not stop after receving an ACK

	  o Fixed nl_recvmsgs() to not blindly discard remaining messages

	    if a NLMSG_DONE message is received.

	Petr Gotthard <petr.gotthard@siemens.com>

	Siemens AG Oesterreich

	  o Fix u32 to properly handle multiple keys

	  o rtnl_htb_set_(r|c)buffer()

	  o Fixed MTU handling in HTB class, problem pointed out

	    by Edouard Thuleau

	Zilvinas Valinskas <zilvinas@wilibox.com>

	  o Fix wrong msg_namelen in nl_recv()

	  o Fix memory leak in flnl_request_put()

	Helmut Schaa <hschaa@suse.de>

	  o Fix for using libnl from within C++

	Patrick McHardy <kaber@trash.net>

	  o *_alloc_cache(): Only refill cache if handle is provided

	James Oakley <jfunk@funktronics.ca>

	  o Fix rtnl_link_set_arptype() typo

	Philip Craig <philipc@snapgear.com>

	  o Change address family type from char to int

	  o Fix the error handling when the build fails.

	  o add nl_cache_mngr_get_fd()

	  o add netfilter support

	  o add netfilter conntrack support

	  o add netfilter log support

Summary of Changes from 1.0-pre5 to 1.0-pre6

================================================

	Christopher Aillon <caillon@redhat.com>

	  o Use $(libdir) instead of $(prefix)/lib for 64bit awesomeness.

	Thomas Graf <tgraf@suug.ch>

	  o Extend nl_msg to include source address, destination address

	    and the protocol being used.

	  o Make nl_send*() take a nl_msg instead of a nlmsghdr (API BREAK)

	  o Change callbacks to take a nl_msg instead of source address

	    and nlmsghdr (API BREAK)

	  o caches must specify the protocol they're hooked up from now on

	    if they intend to be associated with message types.

	  o cache_mngt_associate now takes the protocol besides the message

	    type to allow for multiple protocols to be supported (API BREAK)

	  o overwrite destination address in nl_send() when specified in the

	    message itself, allows for unbound addressing.

	  o Support for netlink based fib_lookup()

	  o Documentation fixes

	  o Fix double nlmsg_free() in nl_recvmsgs() while receiving

	    a multipart message and the read was interrupted.

	  o Change cache operations to store names for message types.

	  o Provide interface to convert message type to character string.

	  o Add dp_dump_msgtype to prefix each dumped element with a

	    pretty printed message type.

	  o netlink fib lookup support

	  o nl_recvmsgs() debugging

	  o use nl_cachemngt_type2name() when pretty printing netlink header

	  o Routing protocol translations.

	  o Routing metric translations.

	  o Revised route dumping

	  o Nexthop flag translations.

	  o Add support for IFF_DORMANT

	Petr Gotthard <petr.gotthard@siemens.com>

	Siemens AG Oesterreich

	  o Fix access to obj after freeing it

	  o Fix u32 selector access after realloc() 

	  o Fix missing out-of-memory error handling in various places

	  o Enhance nl-monitor to have group selection selectable and

	    demonstrate usage of select()

	  o Don't ignore IFF_RUNNING any longer

	  o fw classifier support

	Patrick McHardy <kaber@trash.net>

	  o Fix conflicting types for __u64

	  o Fix printf format string warnings

	  o Fix object cloning

	  o Deal with structure padding in nl_object_clone

	  o Fix nl_addr leak

	  o Set ce_msgtype in all parsed objects

	  o Fix addr flag filter

	  o Fix RTNLGRP definitions (was based on broken kernel version)

	  o Export nl_get_errno()

	  o Add function to get/set peer pid

	  o Add IFF_LOWER_UP

	  o Add/export some missing accessor functions

	  o print /0 prefix in nl_addr2str()

	  o Fix invalid free in nl_addr_parse for AF_UNSPEC addresses

	  o Use __str2flags instead of __str2type in rtnl_link_str2flags()

	  o Make sure object and filter types match in nl_object_match()

	  o Add support for credential passing over netlink sockets (API BREAK)

	  o Add support for custom dump callbacks

	  o Add NL_DUMP_ENV format

	Michael Biebl <biebl@teco.edu>

	"Alex V. Myltsev" <avm@altlinux.ru>

	  o Makefile fixes

Summary of Changes from 1.0-pre4 to 1.0-pre5

================================================

	Thomas Graf <tgraf@suug.ch>

	  o Use minimized local copies for <linux/if.h>, <linux/if_arp.h>,

	    and <linux/if_ether.h> to avoid compile troubles with

	    applications including <net/if*.h>

	    Reported by Christopher Aillon.

Summary of Changes from 1.0-pre3 to 1.0-pre4

================================================

	Thomas Graf <tgraf@suug.ch>

	  o Fix wrong rtnl_addr_set_prefixlen() external declaration,

	    reported by Dan Williams.

	  o Fix nl_addr_parse() to not change the original string

	    for prefixes.

	  o Do not build documentation per default, but have the user

	    issue 'make gendoc'

	  o Assume neighbours to be permanent, set NUD_PERMANENT if not

	    specified otherwise.

Summary of Changes from 1.0-pre2 to 1.0-pre3

================================================

	Thomas Graf <tgraf@suug.ch>

	  o Fix SFQ parser to allocate qdisc options.

	  o Fix rule statistics dumping to not call itself.

	  o Complete Netem qdisc interface.

	  o Add rtnl_*_put() and rtnl_*_free() to increase readability.

	  o Cleanup of nl-* tools

	  o Fix inclusion guards of route/neightbl.h

	  o Fix nl_connect() to only modify rx/tx socket buffers if not

	    already modified by the user.

	  o Fix wrong nl_handle_alloc() prototype.

	  o Fix typo in route/addr.c causing label to be marked as

	    local address.

	  o Use ~0UL as default prefix length instead of 0.

	  o Fix neighbour message parser to correctly store core.

	    attributes and provide them again.

	  o Fix neighbour message parser to correctly guess address family.

	    to make it compatible with nl_addr_parse() and ether llc

	    addresses.

	  o Add rtnl_route_table2str(), rtnl_route_str2table().

	  o Add nl_cache_nitems_filter() to find out if a filter produces

	    any matches.

	  o Remove rtnl_rule_set_(dst|src)_str() (obsolete).

	  o Remove scope and protocol field of routing rule.

	  o Complete routing rules module.

	  o Move realms translations from route to rtnl module.

Summary of Changes from 1.0-pre1 to 1.0-pre2

================================================

	Thomas Graf <tgraf@suug.ch>

	  o More API documentation

	  o Added flags argument to rtnl_addr_(add|build_add_request)().

	  o Added rtnl_addr_(set|get)_multicast().

	  o Moved scope translations routines from route/route.c to

	    route/rtnl.c, required by other modules as well.

	  o Removed old rtattr bits from rtnetlink-kernel.h

	  o Customized libnl.css for doxygen documentation

	  o Removed non-reentrant translation routines, only bloating

	    the code and too risky.

	  o Fixed wrong version number from 1.0-pre1.

	  o Reenabled unfinished policer module.

	  o Reworked TBF module, automatic caluclation of transmit times,

	    limit setable via latency, automatic cell size calculation,

	    options TLV generation. (untested)

	  o Renamed nl_xmittime() to rtnl_tc_calc_txtime().

	  o Renamde nl_build_rtable() to rtnl_tc_build_rate_table()

	Petr Gotthard <petr.gotthard@siemens.com>,

	Siemens AG Oesterreich

	  o Fix symlinks to libnl library files to be moveable

	  o Fix extern struct prototypes meant to be static.

	  o Add empty install target to src/Makefile

	Simon Stelling <blubb@gentoo.org>

	  o Use LIBDIR instead of $(prefix)/lib for users to alllow librariers

	    into $(prefix)/lib64.

Summary of Changes from 0.5.0 to 1.0-pre1

================================================

	Thomas Graf <tgraf@suug.ch>

	  o Uncountable number of changes, rewrite of certain modules,

	    several major API breakages

	Petr Gotthard <petr.gotthard@siemens.com>,

	Siemens AG Oesterreich

	  o added class_build, rtnl_class_build_add_request, rtnl_class_add

	  o added HTB (Hierachical Token Bucket) class support

	  o added nl_xmittime, nl_build_rtable

	  o added nl_data_append to realloc a nl_data structure

	  o added rtnl_rcopy_ratespec as reverse to rtnl_copy_ratespec

	  o fixed byte order conversion of rtnl_filter.protocol

	  o SuSE and Fedora Linux compile fixes

	  o fixed u32 classifier support

	  o added rtnl_u32_set_handle, rtnl_u32_set_classid, rtnl_u32_set_flags

	    and several rtnl_u32_add_key_... operations to u32 classifier

Summary of Changes from 0.4.4 to 0.5.0

================================================

	Thomas Graf <tgraf@suug.ch>

	  o API documentation

	  o nl_cache_filter to manually filter on a object

	  o partial routing support

	  o routing rules support

	  o Propely set address family when setting addresses

	  o debug flag and some rare messages, more to come

	  o make error mesage verboseness configureable

	  o tc fixes to wait for ack

	  o cleanup and adaption of address code to latest internal API

	  o various cleanups

	  o dozens of API breakages (better now than later)

	Daniel Hottinger <hotti@hotti.ch>

	  o arch 64bit printf length modifier fixes

	Baruch Even <baruch@ev-en.org>,

	Mediatrix Telecom, inc. <ericb@mediatrix.com>

	  o address support

Summary of changes from 0.4.3 to 0.4.4

================================================

	Thomas Graf <tgraf@suug.ch>:

	  o overall cleanups for better code quality

	  o replace dump_(brief|full|with_stats) ops with

	    dump[NL_DUMP_MAX] array to allow further additions without

	    breaking the ABI.

	  o add of send_ack callback, called whenever when oppenent

	    asks for an ACK.

	  o make nl_parse_rtattr initialize the tb buffer like in the

	    kernel, caller must no longer take care of it.

	  o remove nl_addrnattr (obsolete)

	  o fixed nl_msg_append_raw to correctly calculate length

	    for raw data not aligned to NLMSG_ALIGN

	  o fix memory leak in nl_recv in case of errors

	  o correctly check sequence numbers if more than one message

	    was sent out before the answer is being received.

	  o add workaround for buggy netlink applications not properly

	    setting NLM_F_MULTI.

Summary of changes from 0.4.2 to 0.4.3

================================================

	Thomas Graf <tgraf@suug.ch>:

	  o use parser_param in nl_cache_parse

	  o EGP: dump nfilters attribute

	  o allow retrieving of filters attached to classes via

	    FILTER_CACHE_PARENT(C) cache argument

	  o filter message building API

Summary of changes from 0.4.1 to 0.4.2

================================================

	Baruch Even <baruch@ev-en.org>:

	  o memory leak fix in nl_parse_rtattr

	  o reset padding to 0 when appending raw data to a nl_msg

	  o avoid overwriting nlmsg ptr when buffer extending fails

	  o typo fixes

	  o create symlinks libnl.so.0 and libnl.so

	Thomas Graf <tgraf@suug.ch>:

	  o EGP classifier support

	  o avoid null pointer in printf call

	  o added nl_cache_parse to put nl_msg's into a cache

	  o added rtnl_filter_build to build a nl_msg filter message

	  o correctly install header files

	  o nl_msg_payload/nl_msg_payloadlen to access nl_msg payload

	  o nl_parse_nested macro to simplify nested TLV parsing

	  o NL_ERROR_ASSERT compile flag to assert(0) on errors

	  o rta alignment fix in nl_msg_append_tlv

	  o added nl_msg_parse_rtattr as shortcut for nl_parse_rtattr

	    for nl_msg API

	  o added nl_parse_nested for nested TLVs

	  o added RTA_ARRAY_ELEMS macro to calculate array length

	    for array TLVs

	  o added nl_wait_for_ack to wait for the next ack

	  o added rtnl_link_build_change_request(...)

	  o added rtnl_neigh_build_*_request

	  o converted neighbour code to use nl_wait_for_ack

	  o cb_recvmsgs_ow callback to overwrite internal calls to

	    nl_recvmsgs_def

	  o cb_seq_check callback to overwrite default sequence checking

	  o added nl_parser_param as argument for message parsers including

	    a callback to be called upon successful parsing of a message.

	    Removes the requirement of having all parsed messages to be added

	    to a cache.

	  o added cb_recv_ow and nl_send_ow callbacks to overwrite internal

	    calls to nl_recv and nl_send.

	Jamal Hadi Salim <hadi@cyberus.ca>

	  o Linux 2.4 compile fixes