| Commit message (Collapse) | Author | Age | Files | Lines |
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mppc - Finish pluging NETGRAPH_MPPC_COMPRESSION.
There were several places where reference to compression were left
unfinished. Furthermore, KASSERTs contained references to MPPC_INVALID
which is not defined in the tree and therefore were sure to break with
INVARIANTS: comment them out.
Reported by: Eugene Grosbein
PR: 216265
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Fix return value from ng_uncallout().
callout_stop() recently started returning -1 when the callout is already
stopped, which is not handled by the netgraph code. Properly filter
the return value. Netgraph callers only want to know if the callout
was cancelled and not draining or already stopped.
Discussed with: julian, glebius
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slite style changes. There is an incoming patch that rewrites a
lot of this module and I want to get the style and whitespace changes in
a separate commit (or maybe more).
PR: 206185
Submitted by: Dmitry Vagin
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netgraph module for reconstructing checksums
PR: 206108
Submitted by: Dmitry Vagin daemon.hammer@ya.ru
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Revise default limit for maximum of netgraph data items.
With modern internet speeds the limit can be reached even
on a single L2TP link.
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Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com>
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Sponsored by: Netflix Inc.
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Fix a bunch of -Wcast-qual warnings in netgraph's ng_parse.c, by using
__DECONST. No functional change.
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- De-vnet hash sizes and hash masks.
- Fix multiple issues related to arguments passed to SYSCTL macros.
Sponsored by: Mellanox Technologies
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PF_BLUETOOTH protocols: skip initialization of non-virtualized globals
for non-default VNET instances.
This fixes panic on a vnet initialization when ng_btsocket is loaded.
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Make ng_mppc to not disable the node in case of multiple packet loss.
Quite often it can be just packet reorder, and killing link in such case
is inconvenient. Add few sysctl's to control that behavior.
PR: kern/182212
Submitted by: Eugene Grosbein <egrosbein@rdtc.ru>
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Fix circular math macro.
PR: 146082
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In sys/netgraph/netflow, use __FBSDID() instead of old-style rcs_id[].
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Changes:
- Reinit uio_resid and flags before every call to soreceive().
- Set maximum acceptable size of packet to IP_MAXPACKET. As for now the
module doesn't support INET6.
- Properly handle MSG_TRUNC return from soreceive().
PR: 184601
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Refactor of /dev/random device. Main points include:
* Userland seeding is no longer used. This auto-seeds at boot time
on PC/Desktop setups; this may need some tweeking and intelligence
from those folks setting up embedded boxes, but the work is believed
to be minimal.
* An entropy cache is written to /entropy (even during installation)
and the kernel uses this at next boot.
* An entropy file written to /boot/entropy can be loaded by loader(8)
* Hardware sources such as rdrand are fed into Yarrow, and are no
longer available raw.
------------------------------------------------------------------------
r256240 | des | 2013-10-09 21:14:16 +0100 (Wed, 09 Oct 2013) | 4 lines
Add a RANDOM_RWFILE option and hide the entropy cache code behind it.
Rename YARROW_RNG and FORTUNA_RNG to RANDOM_YARROW and RANDOM_FORTUNA.
Add the RANDOM_* options to LINT.
------------------------------------------------------------------------
r256239 | des | 2013-10-09 21:12:59 +0100 (Wed, 09 Oct 2013) | 2 lines
Define RANDOM_PURE_RNDTEST for rndtest(4).
------------------------------------------------------------------------
r256204 | des | 2013-10-09 18:51:38 +0100 (Wed, 09 Oct 2013) | 2 lines
staticize struct random_hardware_source
------------------------------------------------------------------------
r256203 | markm | 2013-10-09 18:50:36 +0100 (Wed, 09 Oct 2013) | 2 lines
Wrap some policy-rich code in 'if NOTYET' until we can thresh out
what it really needs to do.
------------------------------------------------------------------------
r256184 | des | 2013-10-09 10:13:12 +0100 (Wed, 09 Oct 2013) | 2 lines
Re-add /dev/urandom for compatibility purposes.
------------------------------------------------------------------------
r256182 | des | 2013-10-09 10:11:14 +0100 (Wed, 09 Oct 2013) | 3 lines
Add missing include guards and move the existing ones out of the
implementation namespace.
------------------------------------------------------------------------
r256168 | markm | 2013-10-08 23:14:07 +0100 (Tue, 08 Oct 2013) | 10 lines
Fix some just-noticed problems:
o Allow this to work with "nodevice random" by fixing where the
MALLOC pool is defined.
o Fix the explicit reseed code. This was correct as submitted, but
in the project branch doesn't need to set the "seeded" bit as this
is done correctly in the "unblock" function.
o Remove some debug ifdeffing.
o Adjust comments.
------------------------------------------------------------------------
r256159 | markm | 2013-10-08 19:48:11 +0100 (Tue, 08 Oct 2013) | 6 lines
Time to eat crow for me.
I replaced the sx_* locks that Arthur used with regular mutexes;
this turned out the be the wrong thing to do as the locks need to
be sleepable. Revert this folly.
# Submitted by: Arthur Mesh <arthurmesh@gmail.com> (In original diff)
------------------------------------------------------------------------
r256138 | des | 2013-10-08 12:05:26 +0100 (Tue, 08 Oct 2013) | 10 lines
Add YARROW_RNG and FORTUNA_RNG to sys/conf/options.
Add a SYSINIT that forces a reseed during proc0 setup, which happens
fairly late in the boot process.
Add a RANDOM_DEBUG option which enables some debugging printf()s.
Add a new RANDOM_ATTACH entropy source which harvests entropy from the
get_cyclecount() delta across each call to a device attach method.
------------------------------------------------------------------------
r256135 | markm | 2013-10-08 07:54:52 +0100 (Tue, 08 Oct 2013) | 8 lines
Debugging. My attempt at EVENTHANDLER(multiuser) was a failure; use
EVENTHANDLER(mountroot) instead.
This means we can't count on /var being present, so something will
need to be done about harvesting /var/db/entropy/... .
Some policy now needs to be sorted out, and a pre-sync cache needs
to be written, but apart from that we are now ready to go.
Over to review.
------------------------------------------------------------------------
r256094 | markm | 2013-10-06 23:45:02 +0100 (Sun, 06 Oct 2013) | 8 lines
Snapshot.
Looking pretty good; this mostly works now. New code includes:
* Read cached entropy at startup, both from files and from loader(8)
preloaded entropy. Failures are soft, but announced. Untested.
* Use EVENTHANDLER to do above just before we go multiuser. Untested.
------------------------------------------------------------------------
r256088 | markm | 2013-10-06 14:01:42 +0100 (Sun, 06 Oct 2013) | 2 lines
Fix up the man page for random(4). This mainly removes no-longer-relevant
details about HW RNGs, reseeding explicitly and user-supplied
entropy.
------------------------------------------------------------------------
r256087 | markm | 2013-10-06 13:43:42 +0100 (Sun, 06 Oct 2013) | 6 lines
As userland writing to /dev/random is no more, remove the "better
than nothing" bootstrap mode.
Add SWI harvesting to the mix.
My box seeds Yarrow by itself in a few seconds! YMMV; more to follow.
------------------------------------------------------------------------
r256086 | markm | 2013-10-06 13:40:32 +0100 (Sun, 06 Oct 2013) | 11 lines
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.
------------------------------------------------------------------------
r256084 | markm | 2013-10-06 13:35:29 +0100 (Sun, 06 Oct 2013) | 5 lines
Don't use the "real" assembler mnemonics; older compilers may not
understand them (like when building CURRENT on 9.x).
# Submitted by: Konstantin Belousov <kostikbel@gmail.com>
------------------------------------------------------------------------
r256081 | markm | 2013-10-06 10:55:28 +0100 (Sun, 06 Oct 2013) | 12 lines
SNAPSHOT.
Simplify the malloc pools; We only need one for this device.
Simplify the harvest queue.
Marginally improve the entropy pool hashing, making it a bit faster
in the process.
Connect up the hardware "live" source harvesting. This is simplistic
for now, and will need to be made rate-adaptive.
All of the above passes a compile test but needs to be debugged.
------------------------------------------------------------------------
r256042 | markm | 2013-10-04 07:55:06 +0100 (Fri, 04 Oct 2013) | 25 lines
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)
------------------------------------------------------------------------
r255319 | markm | 2013-09-06 18:51:52 +0100 (Fri, 06 Sep 2013) | 4 lines
Yarrow wants entropy estimations to be conservative; the usual idea
is that if you are certain you have N bits of entropy, you declare
N/2.
------------------------------------------------------------------------
r255075 | markm | 2013-08-30 18:47:53 +0100 (Fri, 30 Aug 2013) | 4 lines
Remove short-lived idea; thread to harvest (eg) RDRAND enropy into the
usual harvest queues. It was a nifty idea, but too heavyweight.
# Submitted by: Arthur Mesh <arthurmesh@gmail.com>
------------------------------------------------------------------------
r255071 | markm | 2013-08-30 12:42:57 +0100 (Fri, 30 Aug 2013) | 4 lines
Separate out the Software RNG entropy harvesting queue and thread
into its own files.
# Submitted by: Arthur Mesh <arthurmesh@gmail.com>
------------------------------------------------------------------------
r254934 | markm | 2013-08-26 20:07:03 +0100 (Mon, 26 Aug 2013) | 2 lines
Remove the short-lived namei experiment.
------------------------------------------------------------------------
r254928 | markm | 2013-08-26 19:35:21 +0100 (Mon, 26 Aug 2013) | 2 lines
Snapshot; Do some running repairs on entropy harvesting. More needs
to follow.
------------------------------------------------------------------------
r254927 | markm | 2013-08-26 19:29:51 +0100 (Mon, 26 Aug 2013) | 15 lines
Snapshot of current work;
1) Clean up namespace; only use "Yarrow" where it is Yarrow-specific
or close enough to the Yarrow algorithm. For the rest use a neutral
name.
2) Tidy up headers; put private stuff in private places. More could
be done here.
3) Streamline the hashing/encryption; no need for a 256-bit counter;
128 bits will last for long enough.
There are bits of debug code lying around; these will be removed
at a later stage.
------------------------------------------------------------------------
r254784 | markm | 2013-08-24 14:54:56 +0100 (Sat, 24 Aug 2013) | 39 lines
1) example (partially humorous random_adaptor, that I call "EXAMPLE")
* It's not meant to be used in a real system, it's there to show how
the basics of how to create interfaces for random_adaptors. Perhaps
it should belong in a manual page
2) Move probe.c's functionality in to random_adaptors.c
* rename random_ident_hardware() to random_adaptor_choose()
3) Introduce a new way to choose (or select) random_adaptors via tunable
"rngs_want" It's a list of comma separated names of adaptors, ordered
by preferences. I.e.:
rngs_want="yarrow,rdrand"
Such setting would cause yarrow to be preferred to rdrand. If neither of
them are available (or registered), then system will default to
something reasonable (currently yarrow). If yarrow is not present, then
we fall back to the adaptor that's first on the list of registered
adaptors.
4) Introduce a way where RNGs can play a role of entropy source. This is
mostly useful for HW rngs.
The way I envision this is that every HW RNG will use this
functionality by default. Functionality to disable this is also present.
I have an example of how to use this in random_adaptor_example.c (see
modload event, and init function)
5) fix kern.random.adaptors from
kern.random.adaptors: yarrowpanicblock
to
kern.random.adaptors: yarrow,panic,block
6) add kern.random.active_adaptor to indicate currently selected
adaptor:
root@freebsd04:~ # sysctl kern.random.active_adaptor
kern.random.active_adaptor: yarrow
# Submitted by: Arthur Mesh <arthurmesh@gmail.com>
Submitted by: Dag-Erling Smørgrav <des@FreeBSD.org>, Arthur Mesh <arthurmesh@gmail.com>
Reviewed by: des@FreeBSD.org
Approved by: re (delphij)
Approved by: secteam (des,delphij)
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Requested by: Slawa Olhovchenkov <slw zxy.spb.ru>
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PR: kern/181728
Submitted by: rakuco
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MFC after: 1 week
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Submitted by: Dmitry Luhtionov <dmitryluhtionov gmail.com>
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Revert GRN 253255. It is not needed now that GRN 253346 is committed.
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Submitted by: adrian, zec
Fix multiple kernel panics when VIMAGE is enabled in the kernel.
These fixes are based on patches submitted by Adrian Chadd and Marko Zec.
(1) Set curthread->td_vnet to vnet0 in device_probe_and_attach() just before calling
device_attach(). This fixes multiple VIMAGE related kernel panics
when trying to attach Bluetooth or USB Ethernet devices because
curthread->td_vnet is NULL.
(2) Set curthread->td_vnet in if_detach(). This fixes kernel panics when detaching networking
interfaces, especially USB Ethernet devices.
(3) Use VNET_DOMAIN_SET() in ng_btsocket.c
(4) In ng_unref_node() set curthread->td_vnet. This fixes kernel panics
when detaching Netgraph nodes.
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Submitted by: "YAMAMOTO, Shigeru" <shigeru@iij.ad.jp>
Reviewed by: adrian
In PC-BSD 9.1, VIMAGE is enabled in the kernel config.
For laptops with Bluetooth capability, such as the HP Elitebook 8460p,
the kernel will panic upon bootup, because curthread->td_vnet
is not initialized.
Properly initialize curthread->td_vnet when initializing the Bluetooth stack.
This allows laptops such as the HP Elitebook 8460p laptop
to properly boot with VIMAGE kernels.
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PR: kern/176054
Submitted by: Christoph Mallon <christoph.mallon@gmx.de>
MFC after: 3 days
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PR: misc/174625
Submitted by: Jeremy Chadwick <jdc@koitsu.org>
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Submitted by: Christoph Mallon <christoph.mallon@gmx.de> (via private mail)
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need firmware before they will re-attach as correctly functioning bluetooth
devices.
Reviewed by: maksim
Obtained from: Linux ath3k device driver
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- Clear code that workarounded a bug in FreeBSD 3,
and even predated import of netgraph(4).
- Clear workaround for m_nextpkt pointing into
next record in buffer (fixed in r248884).
Assert that m_nextpkt is clear.
- Do not rely on SOCK_STREAM sockets containing
M_PKTHDR mbufs. Create a header ourselves and
attach chain to it. This is correct fix for
kern/154676.
PR: kern/154676
Sponsored by: Nginx, Inc
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of libalias instance. To be used in the mpd5 daemon.
Submitted by: Dmitry Luhtionov <dmitryluhtionov gmail.com>
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Sponsored by: Nginx, Inc
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The check is copied from vnet_ng_ether_init.
Not sure if it covers all the types that we want to support with
ng_ether.
Reported by: markj
Discussed with: zec
MFC after: 10 days
X-MFC with: r246245
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Also sanitize interface names that can potentially contain characters
that are prohibited in netgraph names.
PR: kern/154850 (sanitizing of names)
Discussed with: eri, melifaro
Submitted by: Nikolay Denev <ndenev@gmail.com> (sanitizing code)
Reviewed by: eri, glebius
MFC after: 17 days
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Approved by: glebius
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