| Commit message (Collapse) | Author | Age | Files | Lines |
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heasley: I've used this for a while to track usage.
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It seems that there is a bug in ospf6d in ospf6_lsa_compare(): If LSA A
has sequence number smaller than 0x80000000 and LSA B has sequence
number larger than 0x80000000, ospf6_lsa_compare() returns that B is
more recent than A, although RFC says that sequence numbers should be
compared as signed numbers (0x8000001 smallest and 0x7FFFFFFF largest).
In ospfd, the function ospf_lsa_more_recent() has it right.
The problem appears when Quagga is used together with OSPFv3 in
development version of BIRD daemon ( http://bird.network.cz/ ),
which creates LSAs with maximum sequence number (0x7FFFFFFF)
as a part of flushing/premature aging LSA from OSPF area.
Because both daemons has different idea of which LSA instance
is more recent, it would lead to LSA storm.
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The RTF_CLONING flag has been removed in FreeBSD 8.0 with arp-v2 (see
http://svn.freebsd.org/viewvc/base/stable/8/UPDATING?view=markup),
since it no longer has any meaning. This patch checks if RTF_CLONING
exists before using it.
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Avoid a potential conflict with the C99 defines 'true' and 'false'
found in <stdbool.h> by choosing better variable names.
Also fix the calls to these ioctls, as described in <net/bpf.h>
in FreeBSD, NetBSD, and OpenBSD:
* BIOCGBLEN, BIOCIMMEDIATE, BIOCSSEESENT (the parameter should be
of type 'u_int')
* BIOCPROMISC (there should be no parameters)
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Several bits of text can be local or are unused.
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This code is only used one place and can be made local.
Gcc is smart enough to inline local functions if it wants to.
The function also has a big chunk of compatiablity code that
is no longer used; since quagga is now in a version control system
the source does not need to be used as a historical reference.
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Apply changes from commit f304cb48f0d7d0ff8f36e7aca8293141a9fa9e60
to rib_queue_add.
Also includes spelling fixes.
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* kernel_socket.c: (rtm_flag_dump) Use a const message pointer to be
in sync with commit ce0db9cb11c0bc2e7f89a7d042e50afa495556b4.
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* ospf6_lsdb.c: (ospf6_new_ls_id) Unlock the current LSA when breaking
out of the ospf6_lsdb_*_head() / ospf6_lsdb_*_next() loop early. No
explicit unlocking is needed when all LSAs are looped through
because ospf6_lsdb_*_next() manages everything in that case.
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Introduced separate types for qtime_mono_t and qtime_real_t, to
distinguish the time base of a given value.
Revised all users of timeouts so that they are all expressed as
qtime_mono_t values, so are all Quagga monotonic time based.
Revised qpt_cond_timedwait() so that all condition variables use the
same timebase (CLOCK_MONOTONIC if available, by default). Now all
timeout times are qtime_mono_t, and are converted to whatever the
condition variable is set to, if necessary.
Added explicit timeout to mqueue.
Fixed qps_pselect() to zeroise result vectors if no fds are
reported pending -- seems the O/S does not do this.
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mnum, not mbits.
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Also, added testing for qps_make_super_set_map() to simulate wide
range of little-/big-endian word sizes and forwards/backwards bit
numbering.
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Tidied up and implemented qps_selection_validate() as a debug aid.
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Needs debugging.
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Needs to use lldiv in qtime.c on 32bit machine.
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Improved the arithmetic and changed code to deal with wrap around
only if clock_t is 32-bits (and not to compile if it is less !).
Updated documentation.
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For use when preparing for pselect or other timed wait.
Simplified the handling of pending unsets.
Tidied up in heap.c & .h.
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This allows mutexes to be initialised as recursive.
Required correctly placed setting of _GNU_SOURCE (for gcc).
It is assumed that "config.h" will enable the required pthreads
features -- which are now documented in lib/qpthread.c.
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lib/qpselect supports data structure to multiplex between many file
descriptors using pselect().
lib/qtimers supports data structures to run multiple timers.
Also affected:
lib/Makefile.am -- to add the new files
lib/memtypes.c -- to add further memory types for the above
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Added conversion routines for CLOCK_REALTIME/timeofday to/from
monotonic clock -- so can set timers to actual time, if required.
Added confirms and tidied up documentation.
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Added qpt_thread_self().
Initialised output sigset_t before setting it in qpt_thread_sigmask().
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Added vector_unset_item() & recast vector_unset().
Added heap_pop_push_item() and made a number of simple operations
Inline functions.
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Adds message queue structure to manage the passing of messages
between qpthreads.
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Adding qpt_thread_sigmask() and qpt_thread_signal().
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Changed casts around so that the seconds argument can be a floating
point value. So that, in particular, QTIME(2.33) works.
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pthread safe interface for logging. log.h is that interface.
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lib.c: use a mutex to protect all public methods. Replaced
code in command.c etc that modified zlog_default directly with
interlocked getters and setters. Requires that vty_log in vty.c
handles its own pthread safety TBA.
privs.c: use a mutex to protect all public methods. Counts RAISE
and LOWER so that privilege stays RAISED until all pthreads
have lowered. Improved messages in test-privs.c
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New files: lib/qpthreads.c & .h
Encapsulates the Pthreads facilities to be used in Quagga.
Implicitly documents the sub-set of Pthreads being used.
Provides error checking for a number of functions which may return
errors, but are not generally expected to and for whom an error is
treated as fatal.
Could be modified to "null out" the use of Pthreads.
New files: lib/qtime.c & .h
Defines a 64-bit integer time value which is a lot easier to
handle than the usual timespec and timeval structures. (C99
requires a 64-bit integer.)
Provides front ends for gettimeofday() & clock_gettime() which
return 64-bit time value. Also conversions to and from timespec and
timeval.
Provides a monotonic clock for when CLOCK_MONOTONIC is not available.
(This is based on code from Joakim Tjernlund.)
New files: lib/heap.c & .h
Implements a heap data structure closely allied to the vector.
This will be used for timer handling.
Modified: lib/memtypes.c
New memory types for qpthreads structures and for the heap.
Modified: lib/zassert.h
Added explicit "passert" == assert which is not subject to NDEBUG.
Added explicit "nassert" == assert which is subject to NDEBUG.
Added zabort, zabort_errno and zabbort_err for when something has
gone fatally wrong. (Require changes to lib/log.c which are TBD.)
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Affects: lib/plist.c
Merged otherwise unused prefix_list_free() into prefix_list_delete(),
and removed second call of symbol_unset_value().
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