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After writing data into this loop, it was spinning forever causing
a kernel hang. Detect the loop by counting how often the same mbuf
is spliced. If that happens 128 times, assume that there is a loop
and abort the splicing with ELOOP.
Bug found by tedu@; OK tedu@ millert@ benno@
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This prevents neighbors stuck in the initialization FSM to linger forever
as long as the associated transport connection is up.
This timeout can be seen in the 'Session Initialization State Transition
Diagram' of RFC 5036. The RFC, however, doesn't specify how much we
should wait. Let's use 180 seconds for that, the default LDP hold time.
Fixes IxANVL LDP test 6.15.
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With the introduction of IPv6 support by RFC 7552, the handling of Hello
packets in ldpd became something incredibly complex. Neighbors can change
from single-stack LDP to dual-stack and vice-versa. They can change
their transport preference, their transport addresses (IPv4 and IPv6)
and even start or stop sending the Dual-Stack TLV. We also have to take
care to reject things like multiple adjacencies advertising different
transport-addresses for the same neighbor. ldpd was failing for some of
the cases mentioned above, this patch fixes these issues and attempts
to make the code easier to read.
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are constants; save two more ints.
From Patrick Keshishian
ok mpi
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utvfu_match().
From Patrick Keshishian
ok mpi
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And as a result get rid of a few defines/flags.
* Fix _as_close() to and audio bulk thread exit.
* Change sc->sc_as_running into a flag; save an int.
From Patrick Keshishian
ok mpi
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map, to avoid grabbing the kernel lock when pool_get() needs to allocate
a new pool page. Hopefully this really is the last case where we might grab
the kernel lock for interrupt-safe pools.
ok mpi@
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- Move the tests from splice to new sosplice directory for consistent naming.
- Split the API tests and the TCP splicing tests into separate directories.
- Create some tests for the upcoming UDP splicing.
- Tests can be run in obj directories now.
- The API tests can run both on a local and on a remote machine now.
- Fix the forking TCP tests which splice and read or write simultaneously.
- Bunch of little fixes for races in the tests.
- Deduplicate code, move checks into common functions.
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supported.
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of dev->dying. With this we also can use them on device closing, not just
detaching.
ok mpi
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in{,6}_ioctl() that do not deal with sockets.
This will allow to automagically configure interface addresses in
the kernel without too many layer violations.
Required by upcoming umb(4).
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Should prevent a race triggering a use-after-free reported by
martijn@ on bugs@
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ok tb@
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ok kettenis@
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gets us a bit closer to an MI splraise api.
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this also moves us toward having an MI splraise().
sparc64 (and sparc) are different to the other archs because they
have macros that build templates. each spl uses that macro to create
an instance of an inline function specific to that spl call.
this moves it to having a single splraise inline that the spl api is
defined with. eg, #define splfoo() _splraise(IPL_FOO).
ok kettenis@
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ok jsg@, patrick@
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ok visa@, jsg@
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nintr 3 (allwinner a20/cortex a7) cases.
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finding the console node. Characters after this are device specific
settings (baud etc).
ok kettenis@
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forever. noticed by Davin McCall.
while here, if the timeout actually is zero, return appropriate error.
ok guenther.
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the string into kernel space before logging the W^X binary warning.
ok jca@, guenther@
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ok jca@, guenther@
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ok kettenis@
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ok jmc
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exynos4210-universal_c210 dtb specifies stdout as serial2.
Override the address found with fdt if the board id is c210 to cope.
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In the case of an error, we want to return as soon as possible to avoid
having to clean things up.
This fixes a bug where we could create a dynamic targeted neighbor in
response to a malformed packet.
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Fixes the following ANVL LDP tests: 1.5 and 9.4.
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This is basically just to make ANVL happy, there's not much difference
between sending an 'Unknown FEC' or a 'Malformed TLV' Notification.
Fixes ANVL LDP test 15.6.
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Also, add one more safety check in recv_init().
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In the parsing of label and notification messages, we were always
unsetting the first bit of the TLV type before comparing it against the
types we know. We should not do this because our type constants can have
this bit set when appropriate.
By now the only unknown TLV supported by ldpd(8) is TLV_TYPE_DUALSTACK,
which is only used in Hello messages. But we might change this in the
future with support for MAC List TLVs and maybe RFC 7473.
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This doesn't fix any bug as we were already using uint16_t everywhere
else.
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We were accepting at most one optional TLV.
Fixes IxANVL LDP test 15.3.
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to ifconfig.
"llprio" allows one to set the priority of packets that do not go through
pf(4), as the case is for arp(4) or bpf(4).
ok sthen@ mikeb@
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