#
2cb0fce2 |
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22-Oct-2023 |
Seth Hoffert <seth.hoffert@gmail.com> |
bpf: Make BPF interop consistent with if_loop The pseudo_AF_HDRCMPLT check is already being done in if_loop and just needed to be ported over to if_ic, if_wg, if_disc, if_gif, if_gre, if_me, if_tuntap and ng_iface. This is needed in order to allow these interfaces to work properly with e.g., tcpreplay. PR: 256587 Reviewed by: markj MFC after: 2 weeks Pull Request: https://github.com/freebsd/freebsd-src/pull/876
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#
95ee2897 |
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16-Aug-2023 |
Warner Losh <imp@FreeBSD.org> |
sys: Remove $FreeBSD$: two-line .h pattern Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
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#
3d0d5b21 |
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23-Jan-2023 |
Justin Hibbits <jhibbits@FreeBSD.org> |
IfAPI: Explicitly include <net/if_private.h> in netstack Summary: In preparation of making if_t completely opaque outside of the netstack, explicitly include the header. <net/if_var.h> will stop including the header in the future. Sponsored by: Juniper Networks, Inc. Reviewed by: glebius, melifaro Differential Revision: https://reviews.freebsd.org/D38200
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#
62e1a437 |
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22-Aug-2021 |
Zhenlei Huang <zlei.huang@gmail.com> |
routing: Allow using IPv6 next-hops for IPv4 routes (RFC 5549). Implement kernel support for RFC 5549/8950. * Relax control plane restrictions and allow specifying IPv6 gateways for IPv4 routes. This behavior is controlled by the net.route.rib_route_ipv6_nexthop sysctl (on by default). * Always pass final destination in ro->ro_dst in ip_forward(). * Use ro->ro_dst to exract packet family inside if_output() routines. Consistently use RO_GET_FAMILY() macro to handle ro=NULL case. * Pass extracted family to nd6_resolve() to get the LLE with proper encap. It leverages recent lltable changes committed in c541bd368f86. Presence of the functionality can be checked using ipv4_rfc5549_support feature(3). Example usage: route add -net 192.0.0.0/24 -inet6 fe80::5054:ff:fe14:e319%vtnet0 Differential Revision: https://reviews.freebsd.org/D30398 MFC after: 2 weeks
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#
662c1305 |
|
01-Sep-2020 |
Mateusz Guzik <mjg@FreeBSD.org> |
net: clean up empty lines in .c and .h files
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#
370b7cc9 |
|
31-Jul-2020 |
Mark Johnston <markj@FreeBSD.org> |
ng_iface(4): Remove unsupported protocols. Update the ng_iface documentation and hooks to reflect the fact that the node currently only supports IPv4 and v6 packets. Reviewed by: Lutz Donnerhacke MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D25862
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#
460a9f9d |
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31-Jul-2020 |
Mark Johnston <markj@FreeBSD.org> |
ng_iface(4): Set the current VNET before calling netisr_dispatch(). This is normally handled by a netgraph thread, but netgraph messages may be dispatched directly to a node, in which case no VNET is set before ng_iface calls into the network stack. Netgraph could probably handle this more generally, but for now just be sure to set the current VNET in ng_iface. PR: 242406 Tested by: Michael Muenz <m.muenz@gmail.com> Reviewed by: Lutz Donnerhacke MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D25788
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7029da5c |
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26-Feb-2020 |
Pawel Biernacki <kaktus@FreeBSD.org> |
Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are still not MPSAFE (or already are but aren’t properly marked). Use it in preparation for a general review of all nodes. This is non-functional change that adds annotations to SYSCTL_NODE and SYSCTL_PROC nodes using one of the soon-to-be-required flags. Mark all obvious cases as MPSAFE. All entries that haven't been marked as MPSAFE before are by default marked as NEEDGIANT Approved by: kib (mentor, blanket) Commented by: kib, gallatin, melifaro Differential Revision: https://reviews.freebsd.org/D23718
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#
b8a6e03f |
|
07-Oct-2019 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Widen NET_EPOCH coverage. When epoch(9) was introduced to network stack, it was basically dropped in place of existing locking, which was mutexes and rwlocks. For the sake of performance mutex covered areas were as small as possible, so became epoch covered areas. However, epoch doesn't introduce any contention, it just delays memory reclaim. So, there is no point to minimise epoch covered areas in sense of performance. Meanwhile entering/exiting epoch also has non-zero CPU usage, so doing this less often is a win. Not the least is also code maintainability. In the new paradigm we can assume that at any stage of processing a packet, we are inside network epoch. This makes coding both input and output path way easier. On output path we already enter epoch quite early - in the ip_output(), in the ip6_output(). This patch does the same for the input path. All ISR processing, network related callouts, other ways of packet injection to the network stack shall be performed in net_epoch. Any leaf function that walks network configuration now asserts epoch. Tricky part is configuration code paths - ioctls, sysctls. They also call into leaf functions, so some need to be changed. This patch would introduce more epoch recursions (see EPOCH_TRACE) than we had before. They will be cleaned up separately, as several of them aren't trivial. Note, that unlike a lock recursion the epoch recursion is safe and just wastes a bit of resources. Reviewed by: gallatin, hselasky, cy, adrian, kristof Differential Revision: https://reviews.freebsd.org/D19111
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#
938864b7 |
|
07-Feb-2019 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Allow some nesting of ng_iface(4) interfaces and add a configuration knob. PR: 235500 MFC after: 1 week
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#
19fa89e9 |
|
25-Aug-2018 |
Mark Murray <markm@FreeBSD.org> |
Remove the Yarrow PRNG algorithm option in accordance with due notice given in random(4). This includes updating of the relevant man pages, and no-longer-used harvesting parameters. Ensure that the pseudo-unit-test still does something useful, now also with the "other" algorithm instead of Yarrow. PR: 230870 Reviewed by: cem Approved by: so(delphij,gtetlow) Approved by: re(marius) Differential Revision: https://reviews.freebsd.org/D16898
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#
86b4ad7d |
|
03-Aug-2018 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Use if_tunnel_check_nesting() for ng_iface(4).
|
#
5f901c92 |
|
24-Jul-2018 |
Andrew Turner <andrew@FreeBSD.org> |
Use the new VNET_DEFINE_STATIC macro when we are defining static VNET variables. Reviewed by: bz Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D16147
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#
ab070eb1 |
|
28-Sep-2017 |
Eugene Grosbein <eugen@FreeBSD.org> |
Correction after r323873: #include <sys/lock.h> in addition to <sys/rmlock.h> PR: 220076 Approved by: mav (mentor) MFC after: 3 days
|
#
10633c7e |
|
21-Sep-2017 |
Eugene Grosbein <eugen@FreeBSD.org> |
Unprotected modification of ng_iface(4) private data leads to kernel panic. Fix a race with per-node read-mostly lock and refcounting for a hook. PR: 220076 Tested by: peixoto.cassiano Approved by: avg (mentor), mav (mentor) MFC after: 1 week Relnotes: yes Differential Revision: https://reviews.freebsd.org/D12435
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#
89856f7e |
|
21-Jun-2016 |
Bjoern A. Zeeb <bz@FreeBSD.org> |
Get closer to a VIMAGE network stack teardown from top to bottom rather than removing the network interfaces first. This change is rather larger and convoluted as the ordering requirements cannot be separated. Move the pfil(9) framework to SI_SUB_PROTO_PFIL, move Firewalls and related modules to their own SI_SUB_PROTO_FIREWALL. Move initialization of "physical" interfaces to SI_SUB_DRIVERS, move virtual (cloned) interfaces to SI_SUB_PSEUDO. Move Multicast to SI_SUB_PROTO_MC. Re-work parts of multicast initialisation and teardown, not taking the huge amount of memory into account if used as a module yet. For interface teardown we try to do as many of them as we can on SI_SUB_INIT_IF, but for some this makes no sense, e.g., when tunnelling over a higher layer protocol such as IP. In that case the interface has to go along (or before) the higher layer protocol is shutdown. Kernel hhooks need to go last on teardown as they may be used at various higher layers and we cannot remove them before we cleaned up the higher layers. For interface teardown there are multiple paths: (a) a cloned interface is destroyed (inside a VIMAGE or in the base system), (b) any interface is moved from a virtual network stack to a different network stack ("vmove"), or (c) a virtual network stack is being shut down. All code paths go through if_detach_internal() where we, depending on the vmove flag or the vnet state, make a decision on how much to shut down; in case we are destroying a VNET the individual protocol layers will cleanup their own parts thus we cannot do so again for each interface as we end up with, e.g., double-frees, destroying locks twice or acquiring already destroyed locks. When calling into protocol cleanups we equally have to tell them whether they need to detach upper layer protocols ("ulp") or not (e.g., in6_ifdetach()). Provide or enahnce helper functions to do proper cleanup at a protocol rather than at an interface level. Approved by: re (hrs) Obtained from: projects/vnet Reviewed by: gnn, jhb Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D6747
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#
323b076e |
|
21-Apr-2016 |
Pedro F. Giffuni <pfg@FreeBSD.org> |
sys: use our nitems() macro when param.h is available. This should cover all the remaining cases in the kernel. Discussed in: freebsd-current
|
#
3aa77530 |
|
12-Jul-2015 |
Mark Murray <markm@FreeBSD.org> |
* Address review (and add a bit myself). - Tweek man page. - Remove all mention of RANDOM_FORTUNA. If the system owner wants YARROW or DUMMY, they ask for it, otherwise they get FORTUNA. - Tidy up headers a bit. - Tidy up declarations a bit. - Make static in a couple of places where needed. - Move Yarrow/Fortuna SYSINIT/SYSUNINIT to randomdev.c, moving us towards a single file where the algorithm context is used. - Get rid of random_*_process_buffer() functions. They were only used in one place each, and are better subsumed into those places. - Remove *_post_read() functions as they are stubs everywhere. - Assert against buffer size illegalities. - Clean up some silly code in the randomdev_read() routine. - Make the harvesting more consistent. - Make some requested argument name changes. - Tidy up and clarify a few comments. - Make some requested comment changes. - Make some requested macro changes. * NOTE: the thing calling itself a 'unit test' is not yet a proper unit test, but it helps me ensure things work. It may be a proper unit test at some time in the future, but for now please don't make any assumptions or hold any expectations. Differential Revision: https://reviews.freebsd.org/D2025 Approved by: so (/dev/random blanket)
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#
d1b06863 |
|
30-Jun-2015 |
Mark Murray <markm@FreeBSD.org> |
Huge cleanup of random(4) code. * GENERAL - Update copyright. - Make kernel options for RANDOM_YARROW and RANDOM_DUMMY. Set neither to ON, which means we want Fortuna - If there is no 'device random' in the kernel, there will be NO random(4) device in the kernel, and the KERN_ARND sysctl will return nothing. With RANDOM_DUMMY there will be a random(4) that always blocks. - Repair kern.arandom (KERN_ARND sysctl). The old version went through arc4random(9) and was a bit weird. - Adjust arc4random stirring a bit - the existing code looks a little suspect. - Fix the nasty pre- and post-read overloading by providing explictit functions to do these tasks. - Redo read_random(9) so as to duplicate random(4)'s read internals. This makes it a first-class citizen rather than a hack. - Move stuff out of locked regions when it does not need to be there. - Trim RANDOM_DEBUG printfs. Some are excess to requirement, some behind boot verbose. - Use SYSINIT to sequence the startup. - Fix init/deinit sysctl stuff. - Make relevant sysctls also tunables. - Add different harvesting "styles" to allow for different requirements (direct, queue, fast). - Add harvesting of FFS atime events. This needs to be checked for weighing down the FS code. - Add harvesting of slab allocator events. This needs to be checked for weighing down the allocator code. - Fix the random(9) manpage. - Loadable modules are not present for now. These will be re-engineered when the dust settles. - Use macros for locks. - Fix comments. * src/share/man/... - Update the man pages. * src/etc/... - The startup/shutdown work is done in D2924. * src/UPDATING - Add UPDATING announcement. * src/sys/dev/random/build.sh - Add copyright. - Add libz for unit tests. * src/sys/dev/random/dummy.c - Remove; no longer needed. Functionality incorporated into randomdev.*. * live_entropy_sources.c live_entropy_sources.h - Remove; content moved. - move content to randomdev.[ch] and optimise. * src/sys/dev/random/random_adaptors.c src/sys/dev/random/random_adaptors.h - Remove; plugability is no longer used. Compile-time algorithm selection is the way to go. * src/sys/dev/random/random_harvestq.c src/sys/dev/random/random_harvestq.h - Add early (re)boot-time randomness caching. * src/sys/dev/random/randomdev_soft.c src/sys/dev/random/randomdev_soft.h - Remove; no longer needed. * src/sys/dev/random/uint128.h - Provide a fake uint128_t; if a real one ever arrived, we can use that instead. All that is needed here is N=0, N++, N==0, and some localised trickery is used to manufacture a 128-bit 0ULLL. * src/sys/dev/random/unit_test.c src/sys/dev/random/unit_test.h - Improve unit tests; previously the testing human needed clairvoyance; now the test will do a basic check of compressibility. Clairvoyant talent is still a good idea. - This is still a long way off a proper unit test. * src/sys/dev/random/fortuna.c src/sys/dev/random/fortuna.h - Improve messy union to just uint128_t. - Remove unneeded 'static struct fortuna_start_cache'. - Tighten up up arithmetic. - Provide a method to allow eternal junk to be introduced; harden it against blatant by compress/hashing. - Assert that locks are held correctly. - Fix the nasty pre- and post-read overloading by providing explictit functions to do these tasks. - Turn into self-sufficient module (no longer requires randomdev_soft.[ch]) * src/sys/dev/random/yarrow.c src/sys/dev/random/yarrow.h - Improve messy union to just uint128_t. - Remove unneeded 'staic struct start_cache'. - Tighten up up arithmetic. - Provide a method to allow eternal junk to be introduced; harden it against blatant by compress/hashing. - Assert that locks are held correctly. - Fix the nasty pre- and post-read overloading by providing explictit functions to do these tasks. - Turn into self-sufficient module (no longer requires randomdev_soft.[ch]) - Fix some magic numbers elsewhere used as FAST and SLOW. Differential Revision: https://reviews.freebsd.org/D2025 Reviewed by: vsevolod,delphij,rwatson,trasz,jmg Approved by: so (delphij)
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#
06143100 |
|
12-Jan-2015 |
Gleb Smirnoff <glebius@FreeBSD.org> |
When the node receives NGM_FLOW_COOKIE update the if_link_state, instead of playing with almost dead IFF_DRV_RUNNING flag. Sponsored by: Nginx, Inc.
|
#
42c3b709 |
|
12-Jan-2015 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Remove the support for NGM_CISCO_GET_IPADDR message from ng_iface(4). The legitimacy of removal is proved by the fact that implementation contained a critical bug: the response allocated was sizeof(pointer), while should had been 2*sizeof(struct ng_cisco_ipaddr). The reason for ng_iface(4) to support ng_cisco(4) message isn't explained anywhere, and code comes from original Whistle import. Sponsored by: Nginx, Inc.
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#
033074c4 |
|
09-Nov-2014 |
Alexander V. Chernikov <melifaro@FreeBSD.org> |
Replace 'struct route *' if_output() argument with 'struct nhop_info *'. Leave 'struct route' as is for legacy routing api users. Remove most of rtalloc_ign*-derived functions.
|
#
10cb2424 |
|
30-Oct-2014 |
Mark Murray <markm@FreeBSD.org> |
This is the much-discussed major upgrade to the random(4) device, known to you all as /dev/random. This code has had an extensive rewrite and a good series of reviews, both by the author and other parties. This means a lot of code has been simplified. Pluggable structures for high-rate entropy generators are available, and it is most definitely not the case that /dev/random can be driven by only a hardware souce any more. This has been designed out of the device. Hardware sources are stirred into the CSPRNG (Yarrow, Fortuna) like any other entropy source. Pluggable modules may be written by third parties for additional sources. The harvesting structures and consequently the locking have been simplified. Entropy harvesting is done in a more general way (the documentation for this will follow). There is some GREAT entropy to be had in the UMA allocator, but it is disabled for now as messing with that is likely to annoy many people. The venerable (but effective) Yarrow algorithm, which is no longer supported by its authors now has an alternative, Fortuna. For now, Yarrow is retained as the default algorithm, but this may be changed using a kernel option. It is intended to make Fortuna the default algorithm for 11.0. Interested parties are encouraged to read ISBN 978-0-470-47424-2 "Cryptography Engineering" By Ferguson, Schneier and Kohno for Fortuna's gory details. Heck, read it anyway. Many thanks to Arthur Mesh who did early grunt work, and who got caught in the crossfire rather more than he deserved to. My thanks also to folks who helped me thresh this out on whiteboards and in the odd "Hallway track", or otherwise. My Nomex pants are on. Let the feedback commence! Reviewed by: trasz,des(partial),imp(partial?),rwatson(partial?) Approved by: so(des)
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#
56b61ca2 |
|
19-Sep-2014 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Remove ifq_drops from struct ifqueue. Now queue drops are accounted in struct ifnet if_oqdrops. Some netgraph modules used ifqueue w/o ifnet. Accounting of queue drops is simply removed from them. There were no API to read this statistic. Sponsored by: Netflix Sponsored by: Nginx, Inc.
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#
94b52d99 |
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18-Sep-2014 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Mechanically convert to if_inc_counter().
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#
45c203fc |
|
14-Mar-2014 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Remove AppleTalk support. AppleTalk was a network transport protocol for Apple Macintosh devices in 80s and then 90s. Starting with Mac OS X in 2000 the AppleTalk was a legacy protocol and primary networking protocol is TCP/IP. The last Mac OS X release to support AppleTalk happened in 2009. The same year routing equipment vendors (namely Cisco) end their support. Thus, AppleTalk won't be supported in FreeBSD 11.0-RELEASE.
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#
2c284d93 |
|
13-Mar-2014 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Remove IPX support. IPX was a network transport protocol in Novell's NetWare network operating system from late 80s and then 90s. The NetWare itself switched to TCP/IP as default transport in 1998. Later, in this century the Novell Open Enterprise Server became successor of Novell NetWare. The last release that claimed to still support IPX was OES 2 in 2007. Routing equipment vendors (e.g. Cisco) discontinued support for IPX in 2011. Thus, IPX won't be supported in FreeBSD 11.0-RELEASE.
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#
dd50b310 |
|
02-Nov-2013 |
Adrian Chadd <adrian@FreeBSD.org> |
Restore the entropy gathering from the m_data pointer value, not the m_data payload. After talking with markm/bde, this is what markm actually intended.
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#
1f43ebd2 |
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01-Nov-2013 |
Adrian Chadd <adrian@FreeBSD.org> |
Teach the netgraph code to use a const char * pointer too. Pointy hat to: adrian
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#
76039bc8 |
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26-Oct-2013 |
Gleb Smirnoff <glebius@FreeBSD.org> |
The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare to this event, adding if_var.h to files that do need it. Also, include all includes that now are included due to implicit pollution via if_var.h Sponsored by: Netflix Sponsored by: Nginx, Inc.
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#
ad1f3311 |
|
05-Oct-2013 |
Mark Murray <markm@FreeBSD.org> |
Debug run. This now works, except that the "live" sources haven't been tested. With all sources turned on, this unlocks itself in a couple of seconds! That is no my box, and there is no guarantee that this will be the case everywhere. * Cut debug prints. * Use the same locks/mutexes all the way through. * Be a tad more conservative about entropy estimates.
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#
f02e47dc |
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04-Oct-2013 |
Mark Murray <markm@FreeBSD.org> |
Snapshot. This passes the build test, but has not yet been finished or debugged. Contains: * Refactor the hardware RNG CPU instruction sources to feed into the software mixer. This is unfinished. The actual harvesting needs to be sorted out. Modified by me (see below). * Remove 'frac' parameter from random_harvest(). This was never used and adds extra code for no good reason. * Remove device write entropy harvesting. This provided a weak attack vector, was not very good at bootstrapping the device. To follow will be a replacement explicit reseed knob. * Separate out all the RANDOM_PURE sources into separate harvest entities. This adds some secuity in the case where more than one is present. * Review all the code and fix anything obviously messy or inconsistent. Address som review concerns while I'm here, like rename the pseudo-rng to 'dummy'. Submitted by: Arthur Mesh <arthurmesh@gmail.com> (the first item)
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#
c495c935 |
|
26-Aug-2013 |
Mark Murray <markm@FreeBSD.org> |
Snapshot; Do some running repairs on entropy harvesting. More needs to follow.
|
#
47e8d432 |
|
25-Apr-2013 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Add const qualifier to the dst parameter of the ifnet if_output method.
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#
eb1b1807 |
|
05-Dec-2012 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Mechanically substitute flags from historic mbuf allocator with malloc(9) flags within sys. Exceptions: - sys/contrib not touched - sys/mbuf.h edited manually
|
#
d745c852 |
|
06-Nov-2011 |
Ed Schouten <ed@FreeBSD.org> |
Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. This means that their use is restricted to a single C file.
|
#
a34c6aeb |
|
03-Jul-2011 |
Bjoern A. Zeeb <bz@FreeBSD.org> |
Tag mbufs of all incoming frames or packets with the interface's FIB setting (either default or if supported as set by SIOCSIFFIB, e.g. from ifconfig). Submitted by: Alexander V. Chernikov (melifaro ipfw.ru) Reviewed by: julian MFC after: 2 weeks
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#
674d86bf |
|
18-Apr-2011 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Node constructor methods are supposed to be called in syscall context always. Convert nodes to consistently use M_WAITOK flag for memory allocation. Reviewed by: julian
|
#
ce4b2e2c |
|
19-Mar-2011 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Remove spl(9) remnants.
|
#
3e288e62 |
|
22-Nov-2010 |
Dimitry Andric <dim@FreeBSD.org> |
After some off-list discussion, revert a number of changes to the DPCPU_DEFINE and VNET_DEFINE macros, as these cause problems for various people working on the affected files. A better long-term solution is still being considered. This reversal may give some modules empty set_pcpu or set_vnet sections, but these are harmless. Changes reverted: ------------------------------------------------------------------------ r215318 | dim | 2010-11-14 21:40:55 +0100 (Sun, 14 Nov 2010) | 4 lines Instead of unconditionally emitting .globl's for the __start_set_xxx and __stop_set_xxx symbols, only emit them when the set_vnet or set_pcpu sections are actually defined. ------------------------------------------------------------------------ r215317 | dim | 2010-11-14 21:38:11 +0100 (Sun, 14 Nov 2010) | 3 lines Apply the STATIC_VNET_DEFINE and STATIC_DPCPU_DEFINE macros throughout the tree. ------------------------------------------------------------------------ r215316 | dim | 2010-11-14 21:23:02 +0100 (Sun, 14 Nov 2010) | 2 lines Add macros to define static instances of VNET_DEFINE and DPCPU_DEFINE.
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#
31c6a003 |
|
14-Nov-2010 |
Dimitry Andric <dim@FreeBSD.org> |
Apply the STATIC_VNET_DEFINE and STATIC_DPCPU_DEFINE macros throughout the tree.
|
#
a7d5f7eb |
|
19-Oct-2010 |
Jamie Gritton <jamie@FreeBSD.org> |
A new jail(8) with a configuration file, to replace the work currently done by /etc/rc.d/jail.
|
#
d28843a4 |
|
13-Oct-2010 |
Rui Paulo <rpaulo@FreeBSD.org> |
When calling panic(), always pass a format string.
|
#
e50d35e6 |
|
03-May-2010 |
Maxim Sobolev <sobomax@FreeBSD.org> |
Add new tunable 'net.link.ifqmaxlen' to set default send interface queue length. The default value for this parameter is 50, which is quite low for many of today's uses and the only way to modify this parameter right now is to edit if_var.h file. Also add read-only sysctl with the same name, so that it's possible to retrieve the current value. MFC after: 1 month
|
#
e1b17582 |
|
06-Nov-2009 |
John Baldwin <jhb@FreeBSD.org> |
Take a step towards removing if_watchdog/if_timer. Don't explicitly set if_watchdog/if_timer to NULL/0 when initializing an ifnet. if_alloc() sets those members to NULL/0 already.
|
#
530c0060 |
|
01-Aug-2009 |
Robert Watson <rwatson@FreeBSD.org> |
Merge the remainder of kern_vimage.c and vimage.h into vnet.c and vnet.h, we now use jails (rather than vimages) as the abstraction for virtualization management, and what remained was specific to virtual network stacks. Minor cleanups are done in the process, and comments updated to reflect these changes. Reviewed by: bz Approved by: re (vimage blanket)
|
#
d0728d71 |
|
23-Jul-2009 |
Robert Watson <rwatson@FreeBSD.org> |
Introduce and use a sysinit-based initialization scheme for virtual network stacks, VNET_SYSINIT: - Add VNET_SYSINIT and VNET_SYSUNINIT macros to declare events that will occur each time a network stack is instantiated and destroyed. In the !VIMAGE case, these are simply mapped into regular SYSINIT/SYSUNINIT. For the VIMAGE case, we instead use SYSINIT's to track their order and properties on registration, using them for each vnet when created/ destroyed, or immediately on module load for already-started vnets. - Remove vnet_modinfo mechanism that existed to serve this purpose previously, as well as its dependency scheme: we now just use the SYSINIT ordering scheme. - Implement VNET_DOMAIN_SET() to allow protocol domains to declare that they want init functions to be called for each virtual network stack rather than just once at boot, compiling down to DOMAIN_SET() in the non-VIMAGE case. - Walk all virtualized kernel subsystems and make use of these instead of modinfo or DOMAIN_SET() for init/uninit events. In some cases, convert modular components from using modevent to using sysinit (where appropriate). In some cases, do minor rejuggling of SYSINIT ordering to make room for or better manage events. Portions submitted by: jhb (VNET_SYSINIT), bz (cleanup) Discussed with: jhb, bz, julian, zec Reviewed by: bz Approved by: re (VIMAGE blanket)
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#
1e77c105 |
|
16-Jul-2009 |
Robert Watson <rwatson@FreeBSD.org> |
Remove unused VNET_SET() and related macros; only VNET_GET() is ever actually used. Rename VNET_GET() to VNET() to shorten variable references. Discussed with: bz, julian Reviewed by: bz Approved by: re (kensmith, kib)
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eddfbb76 |
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14-Jul-2009 |
Robert Watson <rwatson@FreeBSD.org> |
Build on Jeff Roberson's linker-set based dynamic per-CPU allocator (DPCPU), as suggested by Peter Wemm, and implement a new per-virtual network stack memory allocator. Modify vnet to use the allocator instead of monolithic global container structures (vinet, ...). This change solves many binary compatibility problems associated with VIMAGE, and restores ELF symbols for virtualized global variables. Each virtualized global variable exists as a "reference copy", and also once per virtual network stack. Virtualized global variables are tagged at compile-time, placing the in a special linker set, which is loaded into a contiguous region of kernel memory. Virtualized global variables in the base kernel are linked as normal, but those in modules are copied and relocated to a reserved portion of the kernel's vnet region with the help of a the kernel linker. Virtualized global variables exist in per-vnet memory set up when the network stack instance is created, and are initialized statically from the reference copy. Run-time access occurs via an accessor macro, which converts from the current vnet and requested symbol to a per-vnet address. When "options VIMAGE" is not compiled into the kernel, normal global ELF symbols will be used instead and indirection is avoided. This change restores static initialization for network stack global variables, restores support for non-global symbols and types, eliminates the need for many subsystem constructors, eliminates large per-subsystem structures that caused many binary compatibility issues both for monitoring applications (netstat) and kernel modules, removes the per-function INIT_VNET_*() macros throughout the stack, eliminates the need for vnet_symmap ksym(2) munging, and eliminates duplicate definitions of virtualized globals under VIMAGE_GLOBALS. Bump __FreeBSD_version and update UPDATING. Portions submitted by: bz Reviewed by: bz, zec Discussed with: gnn, jamie, jeff, jhb, julian, sam Suggested by: peter Approved by: re (kensmith)
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505feb8f |
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01-Jul-2009 |
Alexander Motin <mav@FreeBSD.org> |
Fix infinite loop in ng_iface, that happens when packet passes out via two different ng interfaces sequentially due to tunnelling. PR: kern/134557 Submitted by: Mikolaj Golub Approved by: re (kensmith) MFC after: 3 days
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c4c96d5e |
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25-Jun-2009 |
Robert Watson <rwatson@FreeBSD.org> |
Update Netgraph nodes to use if_addr_rlock()/if_addr_runlock() instead of IF_ADDR_LOCK()/IF_ADDR_UNLOCK() when iterating ifp->if_addrhead. MFC after: 6 weeks
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f089869f |
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11-Jun-2009 |
Marko Zec <zec@FreeBSD.org> |
Introduce a mechanism for detecting calls from outbound path of the network stack when reentering the inbound path from netgraph, and force queueing of mbufs at the outbound netgraph node. The mechanism relies on two components. First, in netgraph nodes where outbound path of the network stack calls into netgraph, the current thread has to be appropriately marked using the new NG_OUTBOUND_THREAD_REF() macro before proceeding to call further into the netgraph topology, and unmarked using the NG_OUTBOUND_THREAD_UNREF() macro before returning to the caller. Second, netgraph nodes which can potentially reenter the network stack in the inbound path have to mark their inbound hooks using NG_HOOK_SET_TO_INBOUND() macro. The netgraph framework will then detect when there is a danger of a call graph looping back from outbound to inbound path via netgraph, and defer handing off the mbufs to the "inbound" node to a worker thread with a clean stack. In this first pass only the most obvious netgraph nodes have been updated to ensure no outbound to inbound calls can occur. Nodes such as ng_ipfw, ng_gif etc. should be further examined whether a potential for outbound to inbound call looping exists. This commit changes the layout of struct thread, but due to __FreeBSD_version number shortage a version bump has been omitted at this time, nevertheless kernel and modules have to be rebuilt. Reviewed by: julian, rwatson, bz Approved by: julian (mentor)
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aef8f344 |
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26-Apr-2009 |
Marko Zec <zec@FreeBSD.org> |
In preparation to make options VIMAGE operational, where needed, initialize / release netgraph related state in iattach() / idetach() functions called via the vnet module registration / initialization framework, instead of initialization / cleanups being done in mod_event handlers. While here, introduce a crude hack aimed at preventing ng_ether to autoattach to ng_eiface ifnets, which are also netgraph nodes already. Reviewed by: bz Approved by: julian (mentor)
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3fd5c685 |
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19-Apr-2009 |
Robert Watson <rwatson@FreeBSD.org> |
Lock the interface address list while building replies to NGM_CISCO_COOKIE messages in ng_iface. MFC after: 2 weeks
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279aa3d4 |
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16-Apr-2009 |
Kip Macy <kmacy@FreeBSD.org> |
Change if_output to take a struct route as its fourth argument in order to allow passing a cached struct llentry * down to L2 Reviewed by: rwatson
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575573fb |
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20-Jan-2009 |
Alexander Motin <mav@FreeBSD.org> |
Check for infinite recursion possible on some broken PPTP/L2TP/... VPN setups. Mark packets with mbuf_tag on first interface passage and drop on second. PR: ports/129625, ports/125303, MFC after: 2 weeks
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385195c0 |
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10-Dec-2008 |
Marko Zec <zec@FreeBSD.org> |
Conditionally compile out V_ globals while instantiating the appropriate container structures, depending on VIMAGE_GLOBALS compile time option. Make VIMAGE_GLOBALS a new compile-time option, which by default will not be defined, resulting in instatiations of global variables selected for V_irtualization (enclosed in #ifdef VIMAGE_GLOBALS blocks) to be effectively compiled out. Instantiate new global container structures to hold V_irtualized variables: vnet_net_0, vnet_inet_0, vnet_inet6_0, vnet_ipsec_0, vnet_netgraph_0, and vnet_gif_0. Update the VSYM() macro so that depending on VIMAGE_GLOBALS the V_ macros resolve either to the original globals, or to fields inside container structures, i.e. effectively #ifdef VIMAGE_GLOBALS #define V_rt_tables rt_tables #else #define V_rt_tables vnet_net_0._rt_tables #endif Update SYSCTL_V_*() macros to operate either on globals or on fields inside container structs. Extend the internal kldsym() lookups with the ability to resolve selected fields inside the virtualization container structs. This applies only to the fields which are explicitly registered for kldsym() visibility via VNET_MOD_DECLARE() and vnet_mod_register(), currently this is done only in sys/net/if.c. Fix a few broken instances of MODULE_GLOBAL() macro use in SCTP code, and modify the MODULE_GLOBAL() macro to resolve to V_ macros, which in turn result in proper code being generated depending on VIMAGE_GLOBALS. De-virtualize local static variables in sys/contrib/pf/net/pf_subr.c which were prematurely V_irtualized by automated V_ prepending scripts during earlier merging steps. PF virtualization will be done separately, most probably after next PF import. Convert a few variable initializations at instantiation to initialization in init functions, most notably in ipfw. Also convert TUNABLE_INT() initializers for V_ variables to TUNABLE_FETCH_INT() in initializer functions. Discussed at: devsummit Strassburg Reviewed by: bz, julian Approved by: julian (mentor) Obtained from: //depot/projects/vimage-commit2/... X-MFC after: never Sponsored by: NLnet Foundation, The FreeBSD Foundation
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aea78d20 |
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22-Nov-2008 |
Kip Macy <kmacy@FreeBSD.org> |
convert calls to IFQ_HANDOFF to if_transmit
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1ede983c |
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23-Oct-2008 |
Dag-Erling Smørgrav <des@FreeBSD.org> |
Retire the MALLOC and FREE macros. They are an abomination unto style(9). MFC after: 3 months
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d7f03759 |
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19-Oct-2008 |
Ulf Lilleengen <lulf@FreeBSD.org> |
- Import the HEAD csup code which is the basis for the cvsmode work.
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8b615593 |
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02-Oct-2008 |
Marko Zec <zec@FreeBSD.org> |
Step 1.5 of importing the network stack virtualization infrastructure from the vimage project, as per plan established at devsummit 08/08: http://wiki.freebsd.org/Image/Notes200808DevSummit Introduce INIT_VNET_*() initializer macros, VNET_FOREACH() iterator macros, and CURVNET_SET() context setting macros, all currently resolving to NOPs. Prepare for virtualization of selected SYSCTL objects by introducing a family of SYSCTL_V_*() macros, currently resolving to their global counterparts, i.e. SYSCTL_V_INT() == SYSCTL_INT(). Move selected #defines from sys/sys/vimage.h to newly introduced header files specific to virtualized subsystems (sys/net/vnet.h, sys/netinet/vinet.h etc.). All the changes are verified to have zero functional impact at this point in time by doing MD5 comparision between pre- and post-change object files(*). (*) netipsec/keysock.c did not validate depending on compile time options. Implemented by: julian, bz, brooks, zec Reviewed by: julian, bz, brooks, kris, rwatson, ... Approved by: julian (mentor) Obtained from: //depot/projects/vimage-commit2/... X-MFC after: never Sponsored by: NLnet Foundation, The FreeBSD Foundation
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603724d3 |
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17-Aug-2008 |
Bjoern A. Zeeb <bz@FreeBSD.org> |
Commit step 1 of the vimage project, (network stack) virtualization work done by Marko Zec (zec@). This is the first in a series of commits over the course of the next few weeks. Mark all uses of global variables to be virtualized with a V_ prefix. Use macros to map them back to their global names for now, so this is a NOP change only. We hope to have caught at least 85-90% of what is needed so we do not invalidate a lot of outstanding patches again. Obtained from: //depot/projects/vimage-commit2/... Reviewed by: brooks, des, ed, mav, julian, jamie, kris, rwatson, zec, ... (various people I forgot, different versions) md5 (with a bit of help) Sponsored by: NLnet Foundation, The FreeBSD Foundation X-MFC after: never V_Commit_Message_Reviewed_By: more people than the patch
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1566e059 |
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08-Jul-2008 |
Oleksandr Tymoshenko <gonzo@FreeBSD.org> |
Back out r180370. It was not discussed with subsystem maintainers.
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7156132c |
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08-Jul-2008 |
Oleksandr Tymoshenko <gonzo@FreeBSD.org> |
Queue decapsulated packed instead of performing direct dispatch. Some execution pathes might hit stack limit under certain circumstances (e.g. ng_mppc). PR: kern/125314 Reported by: Illya Klymov <ilia dot klimov at gmail dot com>
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81a253a4 |
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31-Jan-2008 |
Alexander Motin <mav@FreeBSD.org> |
Implement stack protection based on GET_STACK_USAGE() macro. This fixes system panics possible with complicated netgraph setups and allows to avoid unneded extra queueing for stack unwrapping.
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ff046a6c |
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02-Jun-2006 |
Sam Leffler <sam@FreeBSD.org> |
add missed calls to bpf_peers_present
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547faba5 |
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11-Oct-2005 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Style and other fixes for the last commit. Submitted by: ru
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376e05d1 |
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10-Oct-2005 |
Gleb Smirnoff <glebius@FreeBSD.org> |
ALTQ support for ng_iface(4). Before turning on please consult manual page.
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13f4c340 |
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09-Aug-2005 |
Robert Watson <rwatson@FreeBSD.org> |
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to ifnet.if_drv_flags. Device drivers are now responsible for synchronizing access to these flags, as they are in if_drv_flags. This helps prevent races between the network stack and device driver in maintaining the interface flags field. Many __FreeBSD__ and __FreeBSD_version checks maintained and continued; some less so. Reviewed by: pjd, bz MFC after: 7 days
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01399f34 |
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26-Jun-2005 |
David Malone <dwmalone@FreeBSD.org> |
Fix some long standing bugs in writing to the BPF device attached to a DLT_NULL interface. In particular: 1) Consistently use type u_int32_t for the header of a DLT_NULL device - it continues to represent the address family as always. 2) In the DLT_NULL case get bpf_movein to store the u_int32_t in a sockaddr rather than in the mbuf, to be consistent with all the DLT types. 3) Consequently fix a bug in bpf_movein/bpfwrite which only permitted packets up to 4 bytes less than the MTU to be written. 4) Fix all DLT_NULL devices to have the code required to allow writing to their bpf devices. 5) Move the code to allow writing to if_lo from if_simloop to looutput, because it only applies to DLT_NULL devices but was being applied to other devices that use if_simloop possibly incorrectly. PR: 82157 Submitted by: Matthew Luckie <mjl@luckie.org.nz> Approved by: re (scottl)
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fc74a9f9 |
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10-Jun-2005 |
Brooks Davis <brooks@FreeBSD.org> |
Stop embedding struct ifnet at the top of driver softcs. Instead the struct ifnet or the layer 2 common structure it was embedded in have been replaced with a struct ifnet pointer to be filled by a call to the new function, if_alloc(). The layer 2 common structure is also allocated via if_alloc() based on the interface type. It is hung off the new struct ifnet member, if_l2com. This change removes the size of these structures from the kernel ABI and will allow us to better manage them as interfaces come and go. Other changes of note: - Struct arpcom is no longer referenced in normal interface code. Instead the Ethernet address is accessed via the IFP2ENADDR() macro. To enforce this ac_enaddr has been renamed to _ac_enaddr. - The second argument to ether_ifattach is now always the mac address from driver private storage rather than sometimes being ac_enaddr. Reviewed by: sobomax, sam
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6d9a1612 |
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02-Apr-2005 |
Brooks Davis <brooks@FreeBSD.org> |
Don't init ifp->if_addrhead, if_attach() does it for us.
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933fedba |
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14-Mar-2005 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Use subr_unit allocator instead of own functions.
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30aabc9a |
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05-Feb-2005 |
Ruslan Ermilov <ru@FreeBSD.org> |
Create a per-module mutex on MOD_LOAD, and destroy it on MOD_UNLOAD. (This fixes witness_destroy() panic after module unload.) OK'ed by: rwatson, julian
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72369c34 |
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03-Feb-2005 |
Ruslan Ermilov <ru@FreeBSD.org> |
Parse "getifname" using the standard parse string type. Fixed an off-by-one error when dealing with interface name (if_xname is NUL-terminated). Don't waste time making a copy of if_xname in constructor.
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e3d04345 |
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14-Jan-2005 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Consider IFF_UP as "administratively up" flag, and IFF_RUNNING as "operationally up" flag. Hence this, revert 1.35 to use IFF_RUNNING.
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c398230b |
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06-Jan-2005 |
Warner Losh <imp@FreeBSD.org> |
/* -> /*- for license, minor formatting changes
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28b24b7b |
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23-Nov-2004 |
Gleb Smirnoff <glebius@FreeBSD.org> |
Netgraph flow control: change interface status when node receive LINK_IS_UP/LINK_IS_DOWN messages. Approved by: julian (mentor), implicitly MFC after: 1 week
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9a668fa4 |
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14-Jul-2004 |
Robert Watson <rwatson@FreeBSD.org> |
Introduce a new mutex, ng_iface_mtx, to protect the global unit list lock used to synchronize allocation of unit numbers for new netgraph interfaces. Reviewed by: glebius Tested by: glebius
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5908d366 |
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04-Jul-2004 |
Stefan Farfeleder <stefanf@FreeBSD.org> |
Consistently use __inline instead of __inline__ as the former is an empty macro in <sys/cdefs.h> for compilers without support for inline.
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3ca24c28 |
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26-Jun-2004 |
Julian Elischer <julian@FreeBSD.org> |
Having moved metadata usage to mbuf tags, remove code that supports the old way of doing it. Submitted by: Gleb Smirnoff <glebius@cell.sick.ru>
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1cf3fa79 |
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25-Jun-2004 |
Julian Elischer <julian@FreeBSD.org> |
Make the frameworkl responsible for not passing the nodes a NULL mbuf pointer. this allows the nodes to not test for this.. Submitted by: Gleb Smirnoff <glebius@cell.sick.ru>
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f8aae777 |
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28-May-2004 |
Julian Elischer <julian@FreeBSD.org> |
Switch to using C99 sparse initialisers for the type methods array. Should make no binary difference. Submitted by: Gleb Smirnoff <glebius@cell.sick.ru> Reviewed by: Harti Brandt <harti@freebsd.org> MFC after: 1 week
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1164db57 |
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07-Mar-2004 |
Ruslan Ermilov <ru@FreeBSD.org> |
Implemented the "getifindex" control message. PR: kern/63864 Submitted by: Gleb Smirnoff
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437ffe18 |
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27-Dec-2003 |
Sam Leffler <sam@FreeBSD.org> |
o eliminate widespread on-stack mbuf use for bpf by introducing a new bpf_mtap2 routine that does the right thing for an mbuf and a variable-length chunk of data that should be prepended. o while we're sweeping the drivers, use u_int32_t uniformly when when prepending the address family (several places were assuming sizeof(int) was 4) o return M_ASSERTVALID to BPF_MTAP* now that all stack-allocated mbufs have been eliminated; this may better be moved to the bpf routines Reviewed by: arch@ and several others
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9bf40ede |
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31-Oct-2003 |
Brooks Davis <brooks@FreeBSD.org> |
Replace the if_name and if_unit members of struct ifnet with new members if_xname, if_dname, and if_dunit. if_xname is the name of the interface and if_dname/unit are the driver name and instance. This change paves the way for interface renaming and enhanced pseudo device creation and configuration symantics. Approved By: re (in principle) Reviewed By: njl, imp Tested On: i386, amd64, sparc64 Obtained From: NetBSD (if_xname)
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fe584538 |
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08-Apr-2003 |
Dag-Erling Smørgrav <des@FreeBSD.org> |
Introduce an M_ASSERTPKTHDR() macro which performs the very common task of asserting that an mbuf has a packet header. Use it instead of hand- rolled versions wherever applicable. Submitted by: Hiten Pandya <hiten@unixdaemons.com>
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8c90439d |
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08-Mar-2003 |
Jonathan Lemon <jlemon@FreeBSD.org> |
Include correct opt_* headers for supported address families. Dike out the unused ATM cases. Sponsored by: DARPA, NAI Labs
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3c6b084e |
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05-Mar-2003 |
Peter Wemm <peter@FreeBSD.org> |
Finish driving a stake through the heart of netns and the associated ifdefs scattered around the place - its dead Jim! The SMB stuff had stolen AF_NS, make it official.
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1cafed39 |
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04-Mar-2003 |
Jonathan Lemon <jlemon@FreeBSD.org> |
Update netisr handling; Each SWI now registers its queue, and all queue drain routines are done by swi_net, which allows for better queue control at some future point. Packets may also be directly dispatched to a netisr instead of queued, this may be of interest at some installations, but currently defaults to off. Reviewed by: hsu, silby, jayanth, sam Sponsored by: DARPA, NAI Labs
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edbb5246 |
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14-Nov-2002 |
Sam Leffler <sam@FreeBSD.org> |
o track changes to ethernet input packet handling o track changes to bpf o track changes to make ng hooks more private Reviewed by: many Approved by: re
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29e1b85f |
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20-Oct-2002 |
Brooks Davis <brooks@FreeBSD.org> |
Use if_printf(ifp, "blah") instead of printf("%s%d: blah", ifp->if_name, ifp->if_xname).
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f0184ff8 |
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31-May-2002 |
Archie Cobbs <archie@FreeBSD.org> |
Fix GCC warnings caused by initializing a zero length array. In the process, simply things a bit by getting rid of 'struct ng_parse_struct_info' which was useless because it only contained one field. MFC after: 2 weeks
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6e551fb6 |
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10-Dec-2001 |
David E. O'Brien <obrien@FreeBSD.org> |
Update to C99, s/__FUNCTION__/__func__/, also don't use ANSI string concatenation.
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9c8c302f |
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10-Jan-2001 |
Julian Elischer <julian@FreeBSD.org> |
Fix some memory leaks Add memory leak detection assitance.
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30400f03 |
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07-Jan-2001 |
Julian Elischer <julian@FreeBSD.org> |
Part 2 of the netgraph rewrite. This is mostly cosmetic changes, (though I caught a bug or two while makeing them) Reviewed by: archie@freebsd.org
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069154d5 |
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05-Jan-2001 |
Julian Elischer <julian@FreeBSD.org> |
Rewrite of netgraph to start getting ready for SMP. This version is functional and is aproaching solid.. notice I said APROACHING. There are many node types I cannot test I have tested: echo hole ppp socket vjc iface tee bpf async tty The rest compile and "Look" right. More changes to follow. DEBUGGING is enabled in this code to help if people have problems.
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589f6ed8 |
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18-Dec-2000 |
Julian Elischer <julian@FreeBSD.org> |
Divorce the kernel binary ABI version number from the message format version number. (userland programs should not need to be recompiled when the netgraph kernel internal ABI is changed. Also fix modules that don;t handle the fact that a caller may not supply a return message pointer. (benign at the moment because the calling code checks, but that will change)
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859a4d16 |
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12-Dec-2000 |
Julian Elischer <julian@FreeBSD.org> |
Reviewed by: Archie@freebsd.org This clears out my outstanding netgraph changes. There is a netgraph change of design in the offing and this is to some extent a superset of soem of the new functionality and some of the old functionality that may be removed. This code works as before, but allows some new features that I want to work with and evaluate. It is the basis for a version of netgraph with integral locking for SMP use. This is running on my test machine with no new problems :-)
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99cdf4cc |
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18-Nov-2000 |
David Malone <dwmalone@FreeBSD.org> |
Add the use of M_ZERO to netgraph. Submitted by: josh@zipperup.org Submitted by: Robert Drehmel <robd@gmx.net> Submitted by: archie Approved by: archie
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cc3bbd68 |
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24-Oct-2000 |
Julian Elischer <julian@FreeBSD.org> |
Since neither archie nor I work at Whistle any more, change our email addresses to be the more usefu @freebsd.org ones so we can keep getting bug-reports. - man pages to follow..
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65b9a0da |
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21-Sep-2000 |
Archie Cobbs <archie@FreeBSD.org> |
Allocate all memory (including within node constructors) with M_NOWAIT instead of M_WAITOK, to allow for maximum flexibility.
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a4ec03cf |
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28-Apr-2000 |
Julian Elischer <julian@FreeBSD.org> |
Two simple changes to the kernel internal API for netgraph modules, to support future work in flow-control and 'packet reject/replace' processing modes. reviewed by: phk, archie
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382379f8 |
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20-Mar-2000 |
Archie Cobbs <archie@FreeBSD.org> |
Call bpfdetach() before going away.
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15ba31b9 |
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13-Mar-2000 |
Archie Cobbs <archie@FreeBSD.org> |
Updates to the ng_iface(8) netgraph node type: - Make iface nodes removable on shutdown since FreeBSD now supports removable interfaces - Simplify supporting new protocols using family_enqueue(); add a few new ones including IPv6 - Add support for configurable interface mode using new NGM_IFACE_POINT2POINT and NGM_IFACE_BROADCAST control messages - Remove NGM_IFACE_GET_IFADDRS control message; it just duplicates the functionality of SIOCGIFCONF
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647b86df |
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06-Dec-1999 |
Julian Elischer <julian@FreeBSD.org> |
Remove a bunch of un-needed includes. Submitted by: phk@freebsd.org
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f8307e12 |
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29-Nov-1999 |
Archie Cobbs <archie@FreeBSD.org> |
Add two new generic control messages, NGM_ASCII2BINARY and NGM_BINARY2ASCII, which convert control messages to ASCII and back. This allows control messages to be sent and received in ASCII form using ngctl(8), which makes ngctl a lot more useful. This also allows all the type-specific debugging code in libnetgraph to go away -- instead, we just ask the node itself to do the ASCII translation for us. Currently, all generic control messages are supported, as well as messages associated with the following node types: async, cisco, ksocket, and ppp. See /usr/share/examples/netgraph/ngctl for an example of using this. Also give ngctl(8) the ability to print out incoming data and control messages at any time. Eventually nghook(8) may be subsumed. Several other misc. bug fixes. Reviewed by: julian
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3a58352e |
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18-Nov-1999 |
Archie Cobbs <archie@FreeBSD.org> |
Rename 'struct private' to 'struct ng_xxx_private' to allow gdb to disambiguate when debugging.
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a770f0a4 |
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07-Nov-1999 |
Archie Cobbs <archie@FreeBSD.org> |
Add support for the IFF_MULTICAST flag. There's not much to do because we are a point-to-point interface. Submitted by: phk
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74f5c6aa |
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01-Nov-1999 |
Julian Elischer <julian@FreeBSD.org> |
Add typedefs for node methods Suggested by phk.
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382667d3 |
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25-Oct-1999 |
Julian Elischer <julian@FreeBSD.org> |
Bring ng_iface up-to-date with what has happenned to the bpf code.
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4cf49a43 |
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21-Oct-1999 |
Julian Elischer <julian@FreeBSD.org> |
Whistle's Netgraph link-layer (sometimes more) networking infrastructure. Been in production for 3 years now. Gives Instant Frame relay to if_sr and if_ar drivers, and PPPOE support soon. See: ftp://ftp.whistle.com/pub/archie/netgraph/index.html for on-line manual pages. Reviewed by: Doug Rabson (dfr@freebsd.org) Obtained from: Whistle CVS tree
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