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ifa_ifwithnet() and ifa_ifwithdstaddr() The legacy functions will call the
_fib() versions with RT_ALL_FIBS, preserving legacy behavior.
sys/net/if_var.h
sys/net/if.c
Add legacy-compatible functions as described above. Ensure legacy
behavior when RT_ALL_FIBS is passed as fibnum.
sys/netinet/in_pcb.c
sys/netinet/ip_output.c
sys/netinet/ip_options.c
sys/net/route.c
sys/net/rtsock.c
sys/netinet6/nd6.c
Call with _fib() functions if we must use a specific fib, or the
legacy functions otherwise.
tests/sys/netinet/fibs_test.sh
tests/sys/netinet/udp_dontroute.c
Improve the udp_dontroute test. The bug that this test exercises is
that ifa_ifwithnet() will return the wrong address, if multiple
interfaces have addresses on the same subnet but with different
fibs. The previous version of the test only considered one possible
failure mode: that ifa_ifwithnet_fib() might fail to find any
suitable address at all. The new version also checks whether
ifa_ifwithnet_fib() finds the correct address by checking where the
ARP request goes.
Reported by: bz, hrs
Reviewed by: hrs
MFC after: 1 week
X-MFC-with: 264905
Sponsored by: Spectra Logic
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what is needed.
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PR: kern/189088
MFC after: 3 weeks
Sponsored by: Spectra Logic
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exists on another interface. The panic was introduced by change 264887, which
changed the fibnum parameter in the call to rtalloc1_fib() in
ifa_switch_loopback_route() from RT_DEFAULT_FIB to RT_ALL_FIBS. The solution
is to use the interface fib in that call. For the majority of users, that will
be equivalent to the legacy behavior.
PR: kern/189089
Reported by: neel
Reviewed by: neel
MFC after: 3 weeks
X-MFC with: 264887
Sponsored by: Spectra Logic
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Reported by: pho
MFC after: 3 weeks
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These two bugs are closely related. The root cause is that ifa_ifwithnet
does not consider FIBs when searching for an interface address.
sys/net/if_var.h
sys/net/if.c
Add a fib argument to ifa_ifwithnet and ifa_ifwithdstadddr. Those
functions will only return an address whose interface fib equals the
argument.
sys/net/route.c
Update calls to ifa_ifwithnet and ifa_ifwithdstaddr with fib
arguments.
sys/netinet/in.c
Update in_addprefix to consider the interface fib when adding
prefixes. This will prevent it from not adding a subnet route when
one already exists on a different fib.
sys/net/rtsock.c
sys/netinet/in_pcb.c
sys/netinet/ip_output.c
sys/netinet/ip_options.c
sys/netinet6/nd6.c
Add RT_DEFAULT_FIB arguments to ifa_ifwithdstaddr and ifa_ifwithnet.
In some cases it there wasn't a clear specific fib number to use.
In others, I was unable to test those functions so I chose
RT_DEFAULT_FIB to minimize divergence from current behavior. I will
fix some of the latter changes along with PR kern/187553.
tests/sys/netinet/fibs_test.sh
tests/sys/netinet/udp_dontroute.c
tests/sys/netinet/Makefile
Revert r263738. The udp_dontroute test was right all along.
However, bugs kern/187550 and kern/187553 cancelled each other out
when it came to this test. Because of kern/187553, ifa_ifwithnet
searched the default fib instead of the requested one, but because
of kern/187550, there was an applicable subnet route on the default
fib. The new test added in r263738 doesn't work right, however. I
can verify with dtrace that ifa_ifwithnet returned the wrong address
before I applied this commit, but route(8) miraculously found the
correct interface to use anyway. I don't know how.
Clear expected failure messages for kern/187550 and kern/187552.
PR: kern/187550
PR: kern/187552
Reviewed by: melifaro
MFC after: 3 weeks
Sponsored by: Spectra Logic
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sys/net/route.c
In rtinit1, use the interface fib instead of the process fib. The
latter wasn't very useful because ifconfig(8) is usually invoked
with the default process fib. Changing ifconfig(8) to use setfib(2)
would be redundant, because it already sets the interface fib.
tests/sys/netinet/fibs_test.sh
Clear the expected ATF failure
sys/net/if.c
Pass the interface fib in calls to rtrequest1_fib and rtalloc1_fib
sys/netinet/in.c
sys/net/if_var.h
Add a fibnum argument to ifa_switch_loopback_route, a subroutine of
in_scrubprefix. Pass it the interface fib.
PR: kern/187549
Reviewed by: melifaro
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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This fixes the build under powerpc64 where gcc complains about a mismatch
between a %zd printf formatter and an int variable passed to it.
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restricted to a single FIB in a multifib system.
Restricting an interface's routes to the FIB to which it is assigned (by
setting net.add_addr_allfibs=0) causes ARP updates to fail with "arpresolve:
can't allocate llinfo for x.x.x.x". This is due to the ARP update code hard
coding it's lookup for existing routing entries to FIB 0.
sys/netinet/in.c:
When dealing with RTM_ADD (add route) requests for an interface, use
the interface's assigned FIB instead of the default (FIB 0).
sys/netinet/if_ether.c:
In arpresolve(), enhance error message generated when an
lla_lookup() fails so that the interface causing the error is
visible in logs.
tests/sys/netinet/fibs_test.sh
Clear ATF expected error.
PR: kern/167947
Submitted by: Nikolay Denev <ndenev@gmail.com> (previous version)
Reviewed by: melifaro
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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tests/sys/netinet/fibs.sh
Replace fibs:udp_dontroute with fibs:src_addr_selection_by_subnet.
The original test was poorly written; it was actually testing
kern/167947 instead of the desired kern/187553. The root cause of the
bug is that ifa_ifwithnet did not have a fib argument. The new test
more directly targets that behavior.
tests/sys/netinet/udp_dontroute.c
Delete the auxilliary binary used by the old test
PR: kern/187553
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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several different PRs, but the tests share some common code, so I'm
committing them together.
sbin/ifconfig/tests
sbin/ifconfig/tests/fibs_test.sh
sbin/ifconfig/tests/Makefile
sbin/ifconfig/Makefile
Add fibs_test.sh, which regresses bin/187551
tests/sys/netinet
tests/sys/netinet/fibs_test.sh
tests/sys/netinet/udp_dontroute.c
tests/sys/netinet/Makefile
tests/sys/Makefile
Add fibs_test.sh, which regresses kern/167947, kern/187552
kern/187549, kern/187550, and kern/187553
etc/mtree/BSD.tests.dist
Add newly created directories
PR: bin/187551
PR: kern/167947
PR: kern/187552
PR: kern/187549
PR: kern/187550
PR: kern/187553
Discussed with: melifaro
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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and use volatile sig_atomic_t for signal handler variable.
Reviewed by: asomers (previous version)
Sponsored by: EMC / Isilon storage division
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Change {atf,plain,tap}.test.mk to be internal implementation details of
bsd.test.mk. Makefiles that build tests should now only include bsd.test.mk
and declaratively specify what they want to build, without worrying about
the internal implementation of the mk files.
The reason for this change is to permit building test programs of different
interfaces from a single directory, which is something I had a need for
while porting tests over from src/tools/regression/.
Additionally, this change makes it possible to perform some other requested
changes to bsd.test.mk in an easier manner. Coming soon.
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mechanism, based on the new SB_STOP sockbuf flag. The old hack dynamically
changed the sending sockbuf's high water mark whenever adding or removing
data from the receiving sockbuf. It worked for stream sockets, but it never
worked for SOCK_SEQPACKET sockets because of their atomic nature. If the
sockbuf was partially full, it might return EMSGSIZE instead of blocking.
The new solution is based on DragonFlyBSD's fix from commit
3a6117bbe0ed6a87605c1e43e12a1438d8844380 on 2008-05-27. It adds an SB_STOP
flag to sockbufs. Whenever uipc_send surpasses the socket's size limit, it
sets SB_STOP on the sending sockbuf. sbspace() will then return 0 for that
sockbuf, causing sosend_generic and friends to block. uipc_rcvd will
likewise clear SB_STOP. There are two fringe benefits: uipc_{send,rcvd} no
longer need to call chgsbsize() on every send and receive because they don't
change the sockbuf's high water mark. Also, uipc_sense no longer needs to
acquire the UIPC linkage lock, because it's simpler to compute the
st_blksizes.
There is one drawback: since sbspace() will only ever return 0 or the
maximum, sosend_generic will allow the sockbuf to exceed its nominal maximum
size by at most one packet of size less than the max. I don't think that's
a serious problem. In fact, I'm not even positive that FreeBSD guarantees a
socket will always stay within its nominal size limit.
sys/sys/sockbuf.h
Add the SB_STOP flag and adjust sbspace()
sys/sys/unpcb.h
Delete the obsolete unp_cc and unp_mbcnt fields from struct unpcb.
sys/kern/uipc_usrreq.c
Adjust uipc_rcvd, uipc_send, and uipc_sense to use the SB_STOP
backpressure mechanism. Removing obsolete unpcb fields from
db_show_unpcb.
tests/sys/kern/unix_seqpacket_test.c
Clear expected failures from ATF.
Obtained from: DragonFly BSD
PR: kern/185812
Reviewed by: silence from freebsd-net@ and rwatson@
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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Set WARNS=5 for all files in this directory
kern/unix_seqpacket_test.c
Fix compiler warnings. Most were benign, but rcvbuf_oversized
wasn't working as intended because I forgot to set the buffer sizes.
MFC after: 2 weeks
Reported by: pho
Sponsored by: Spectra Logic Corporation
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Reported by: Garrett Cooper
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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buffers drop packets". It was caused by a check for the space available
in a sockbuf, but it was checking the wrong sockbuf.
sys/sys/sockbuf.h
sys/kern/uipc_sockbuf.c
Add sbappendaddr_nospacecheck_locked(), which is just like
sbappendaddr_locked but doesn't validate the receiving socket's
space. Factor out common code into sbappendaddr_locked_internal().
We shouldn't simply make sbappendaddr_locked check the space and
then call sbappendaddr_nospacecheck_locked, because that would cause
the O(n) function m_length to be called twice.
sys/kern/uipc_usrreq.c
Use sbappendaddr_nospacecheck_locked for SOCK_SEQPACKET sockets,
because the receiving sockbuf's size limit is irrelevant.
tests/sys/kern/unix_seqpacket_test.c
Now that 185813 is fixed, pipe_128k_8k fails intermittently due to
185812. Make it fail every time by adding a usleep after starting
the writer thread and before starting the reader thread in
test_pipe. That gives the writer time to fill up its send buffer.
Also, clear the expected failure message due to 185813. It actually
said "185812", but that was a typo.
PR: kern/185813
Reviewed by: silence from freebsd-net@ and rwatson@
MFC after: 3 weeks
Sponsored by: Spectra Logic Corporation
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Pointed out by: jmmv
Sponsored by: EMC / Isilon storage division
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comment to the "descr" property.
Suggested by: jmmv
Sponsored by: EMC / Isilon storage division
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Discussed with: asomers
Sponsored by: EMC / Isilon storage division
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blocking sockets. The error was not exposed as long as the kernel
suffered from PR kern/185812. Now corrected, these tests pass on
DragonFlyBSD 3.6.0.
PR: kern/185812
Sponsored by: Spectra Logic Corporation
MFC after: 2 weeks
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MFC after: 5 days
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This is to let Kyua descend into any tests that may have been installed by
ports under /usr/local/tests when running the test suite from /usr/tests.
Some ports (namely those that build Kyua) already install test programs
into /usr/local/tests. Just make sure to select the TEST option while
building them.
MFC after: 3 days
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use TESTS_SUBDIRS for kern instead of SUBDIRS. I don't think it
makes a difference in this case, but TESTS_SUBDIRS is generally
correct for subdirectories that contain tests.
Sponsored by: Spectra Logic
MFC after: 5 days
X-MFC-With: r261133
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get built.
Sponsored by: Spectra Logic
MFC after: 13 days
X-MFC-With: r261081
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were a little broken and not automatable, with unix_seqpacket_test.
It's coverage is a superset of the old tests and it uses ATF. It
includes test cases for bugs kern/185813 and kern/185812.
PR: kern/185812
PR: kern/185813
Sponsored by: Spectra Logic
MFC after: 2 weeks
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Move the installation of /usr/tests/lib/Kyuafile from src/tests/lib/
to src/lib/. This is to keep the src/tests/ hierarchy unaware of the
rest of the tree, which makes things clearer in general. In particular:
1) Everything related to the construction of /usr/tests/lib/ is kept
in src/lib/. There is no need to think about different directories
and how they relate to each other. (The same applies for libexec,
usr.bin, etc. but these are not yet handled.)
2) src/tests becomes the place to keep cross-functional test programs
and nothing else, which also helps in simplifying things.
Reviewed by: freebsd-testing
Approved by: rpaulo (mentor)
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Populate /usr/tests with the only test programs that currently live
in the tree (those in lib/libcrypt/tests/) and add all the build
machinery to accompany this change.
In particular:
- Add a WITHOUT_TESTS variable that users can define to request that
no tests be put in /usr/tests.
- Add a top-level Kyuafile for /usr/tests and a way to create similar
Kyuafiles in top-level subdirectories.
- Add a BSD.tests.dist file to define the directory layout of
/usr/tests.
Submitted by: Julio Merino jmmv google.com
Reviewed by: sjg
MFC after: 2 weeks
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