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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=fcf22de1dbcf265d6a9ce6af555eefe270434f66
commit fcf22de1dbcf265d6a9ce6af555eefe270434f66
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Mon Nov 30 00:07:02 2015 +0100
gtphub: add two stubs
http://cgit.osmocom.org/openbsc/commit/?id=67c2ddd0b5abca58a190b00cf53cb97c3b170237
commit 67c2ddd0b5abca58a190b00cf53cb97c3b170237
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Sun Nov 29 23:50:45 2015 +0100
gtphub: vty: add missing SGSN-proxy output.
http://cgit.osmocom.org/openbsc/commit/?id=e91785f031c8ca3118b2ccd8538db557c6369e09
commit e91785f031c8ca3118b2ccd8538db557c6369e09
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Sun Nov 29 23:49:48 2015 +0100
gtphub: refactor: use side_idx everywhere.
This is a mostly cosmetic change. Instead of separate buffer handling
functions, reduce some code duplication by using a side_idx just like the
plane_idx, with arrays.
http://cgit.osmocom.org/openbsc/commit/?id=255964b7fbe15f4f59772a7d7aab23ea25a4b051
commit 255964b7fbe15f4f59772a7d7aab23ea25a4b051
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Sun Nov 29 19:14:58 2015 +0100
found_libgtp_and_libcares
http://cgit.osmocom.org/openbsc/commit/?id=f4da0c2d6639ec50c53534e99d07e837f56d0ffb
commit f4da0c2d6639ec50c53534e99d07e837f56d0ffb
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 27 01:22:13 2015 +0100
gtphub: make sure mapped TEIs aren't occupied.
discussion pending.
http://cgit.osmocom.org/openbsc/commit/?id=c9ddc0b9e79de2d5ef297c3b53fe77411f10c4e3
commit c9ddc0b9e79de2d5ef297c3b53fe77411f10c4e3
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 27 01:20:53 2015 +0100
gtphub: use a single TEI pool across planes.
There's no need to keep two separate number pools when both can be fed
from the same pool. User and Ctrl plane TEIs can technically overlap without
colliding, but it doesn't hurt if they don't overlap, either.
http://cgit.osmocom.org/openbsc/commit/?id=1732f1e3abd2ec0fc230d837f1212320696c605e
commit 1732f1e3abd2ec0fc230d837f1212320696c605e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 27 00:05:56 2015 +0100
gtphub: cosmetic: for_each_side,_plane macros.
Simplify looping over sides and planes. I'm tired of typing the same for
loops all the time.
http://cgit.osmocom.org/openbsc/commit/?id=d8327dd1cdda4d906de2af84b831ff7f7b4453db
commit d8327dd1cdda4d906de2af84b831ff7f7b4453db
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Thu Nov 26 22:19:22 2015 +0100
gtphub: implement restart counter properly.
Force passing a restart counter, by adding such arg to gtphub_start() (test
suite is not affected by this).
In gtphub_main.c, add -r,--restart-file <path> and next_restart_count() to
maintain the counter file. While at it, tweak the cmdline help to unify the
formatting (mostly commas and a missing line break).
Send gtphub's own restart counter. So far, the sender's restart counter was
copied through, which would break as soon as more than one GSN would talk to
the same peer with differing restart counters.
Also fix the in-mem restart counter data type (one octet, not two).
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=b1596da3ca7e5121ca4798f2165bfe1d46dd6c9c
commit b1596da3ca7e5121ca4798f2165bfe1d46dd6c9c
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Thu Nov 26 05:20:18 2015 +0100
gtphub: complain about excess cmdline args.
http://cgit.osmocom.org/openbsc/commit/?id=1e28ebef266bd361f51f6f1c17436ae223dbd695
commit 1e28ebef266bd361f51f6f1c17436ae223dbd695
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 24 13:31:06 2015 +0100
gtphub: track tunnels explicitly.
So far, gtphub worked perfectly by only tracking single TEIs ... for probably
most uses. But a Ctrl plane tunnel may have expired despite a still active
corresponding User plane tunnel. The User plane would continue to work
indefinitely, but if any Ctrl messages followed after more than six hours of
Ctrl silence, they would have been dropped due to an expired TEI mapping.
We want to
- combine expiry of a user TEI with its ctrl TEI. (done in this patch)
- upon delete PDP context, remove both user and ctrl TEI mappings. (future)
- when a peer indicates a restart counter bump, invalidate its tunnels.
(future)
To facilitate these, track tunnels, complete with both SGSN's and GGSN's
address, original and replaced TEIs, all for both user and ctrl plane, in a
single struct. A single expiry entry handles the entire tunnel, instead of
previously four separate expiries for each endpoint identifier.
Add the concept of a "side", being either GGSN or SGSN, to index tunnel
endpoint structs, and so on.
Track the originating side in the gtp_packet_desc.
Add header_tei_rx: set_tei() overwrites header_tei, but the originally received
header TEI is still needed to match a Create PDP Context Response up with its
Request (and for logging).
Adjust the test suite to expect tunnel listing strings instead of TEI mappings,
with a bonus of making it a lot easier to grok, and including the IP addresses.
Add regression test for refreshing tunnel expiry upon use.
Note: the current implementation is as slow as can possibly be, iterating all
the tunnels all the time. Optimizations are kept for a future commit, on
purpose.
BTW, the sequence number mapping/unmapping structures remain unchanged.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=d1502a4c76d1c3992a532447638dea58b147797b
commit d1502a4c76d1c3992a532447638dea58b147797b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Wed Nov 25 16:45:59 2015 +0100
gtphub: cosmetic/prepare: rename expiry queues.
The expiry queues are already used for resolved GGSN addresses, and will
soon enlist tunnel structs. Hence the naming should be more general.
http://cgit.osmocom.org/openbsc/commit/?id=d384e27b2e465e154f2e886e3cec6c2cd80e2642
commit d384e27b2e465e154f2e886e3cec6c2cd80e2642
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 24 13:32:23 2015 +0100
gtphub: add assertion to ensure expiry ordering.
Make 100% sure the user adds expiring_items in chronological order by asserting
that a newly added expiry is >= the last expiry in the queue. Add llist_last()
to facilitate.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=9d4bd22a40165ff7b1b52804a10c41ecdee02fdb
commit 9d4bd22a40165ff7b1b52804a10c41ecdee02fdb
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 24 13:30:38 2015 +0100
gtphub: cosmetic/prepare: add nr_map_refresh().
http://cgit.osmocom.org/openbsc/commit/?id=eb7c17e39c87873eca2d0f497116c91952d0b450
commit eb7c17e39c87873eca2d0f497116c91952d0b450
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 24 13:27:13 2015 +0100
gtphub: move timestamp into packet struct.
Instead of passing the current time around in function arguments ('now'),
rather store the current time once upon decoding a GTP packet in the
gtp_packet_desc passed around anyway ('p->timestamp').
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=3e48b2a9cf0172b29019fc3e5dbcd9ec04808985
commit 3e48b2a9cf0172b29019fc3e5dbcd9ec04808985
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 24 13:23:44 2015 +0100
gtphub: cosmetic: fix an argument name.
http://cgit.osmocom.org/openbsc/commit/?id=a2fecd7257d71840cd9679ee72c706ccbfda4287
commit a2fecd7257d71840cd9679ee72c706ccbfda4287
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 20 03:16:19 2015 +0100
gtphub: first vty show commands.
Start adding VTY commands to show rate counters / statistics / cache dumps.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=fe5c92d6ecc0869570c3cd8adb063eac123cfc7f
commit fe5c92d6ecc0869570c3cd8adb063eac123cfc7f
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 20 01:28:40 2015 +0100
gtphub: add first rate counters
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=8aab2b5612bff0b8c60a9e350716cd6f67d626c1
commit 8aab2b5612bff0b8c60a9e350716cd6f67d626c1
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 20 01:27:22 2015 +0100
gtphub: cosmetic: clarify bind pointer naming.
Some gtphub_bind pointers point to an array of binds, some point directly at
instances. Make the distinction between the two more obvious by adding an
'_arr' suffix to the array ones.
Partly in preparation for upcoming rate counters.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=7c68023be49f8f986c05a0532d0206c085fbcc7d
commit 7c68023be49f8f986c05a0532d0206c085fbcc7d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 20 00:08:28 2015 +0100
gtphub: add explicit cleanup handles.
Clean up functionality is added for the test suite only, to be able to clean
out all allocations and test against memory leaks.
So far, it was sufficient to expire everything to free a gtphub. In preparation
for the upcoming rate counters, which will need to be freed explicitly, add
gtphub functions to clean up everything.
As added bonus, also close the sockets explicitly -- not really needed upon
program exit, neither by the test suite, but *if* we have a cleanup function,
it should clean up everything properly.
Closing the sockets is however kept separate, for the test suite.
gtphub_start() and gtphub_stop() are for normal use (published in gtphub.h),
and gtphub_init() and gtphub_free() are for the test suite, without sockets.
(gtphub_stop() will probably never be called by anyone, but its existence
completes the picture.)
In gtphub_test.c, have a function to clean up the testing gtphub struct. First,
expire everything by timeout, assert emptiness, then call the cleanup function.
Call from each test in the end.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=a7b4e202bd93f5a42979e981033fb18558cefc5e
commit a7b4e202bd93f5a42979e981033fb18558cefc5e
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Fri Nov 20 00:04:41 2015 +0100
gtphub: ensure cleanup of peer addresses.
Upon calling gtphub_peer_del(), all addresses and ports should already have
expired (by force). Make sure the code heeds that with a so far missing
assertion.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=733d3190c04c6bbdc828daadf2ca729db30e7801
commit 733d3190c04c6bbdc828daadf2ca729db30e7801
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Wed Nov 18 18:11:32 2015 +0100
gtphub: ares vty and init
From sgsn_vty.c, copy the cfg_grx_ggsn_cmd to add an ares server to the static
sgsn_instance.
This is sort of preliminary. As described in comments, the sgsn_ares functions
should actually be separated from the static sgsn structure. gtphub keeps such
an sgsn structure just for the sgsn_ares functions.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=0be28a65d00931ba6aef8ce0ea84e391c65bbf2a
commit 0be28a65d00931ba6aef8ce0ea84e391c65bbf2a
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Wed Nov 18 18:11:09 2015 +0100
gtphub: review some logging.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=6f92fd3e83ee32ae7732547887751a7244f58926
commit 6f92fd3e83ee32ae7732547887751a7244f58926
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Wed Nov 18 17:53:00 2015 +0100
gtphub: cosmetic: rename a file.
gtphub_ext.c's initial purpose was to wrap a specific function. The file
then turned into everything related to DNS, which fits pretty well. Rename
to gtphub_ares.c.
Tweak the header comment to reflect the new file name.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=cd81f9a2abbbf1b45f35512fd6351064d0e9980b
commit cd81f9a2abbbf1b45f35512fd6351064d0e9980b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 17 14:30:37 2015 +0100
gtphub: nr_map: add min,max and wrap.
Implement min/max bounds for nr_pool, adjust nr_pool_init() and current tests,
and create unit tests for nr_map wrapping.
Sequence numbers range from 0 to 65535, while TEIs range from 1 to 0xffffffff.
Both cause problems when the nr_pool surpasses the range: seq exit their valid
range, causing unmappings to fail, and a TEI would be mapped as zero (invalid).
Add a comment about TEI wrapping, and lose the comment about random TEIs (not
really important).
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=885127a7e5f1e2cbbfe1474e773300ce774c127c
commit 885127a7e5f1e2cbbfe1474e773300ce774c127c
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Tue Nov 17 14:24:46 2015 +0100
gtphub: fix number map range for TEIs.
Use unsigned int for nr_map, just large enough to fit the TEI space.
Adjust log output formats and casts accordingly.
Fixes: TEIs are uint32_t, but the nr_map so far used int. This would cause TEIs
from 0x80000000 on to be handled and printed as a negative value.
Sponsored-by: On-Waves ehi
http://cgit.osmocom.org/openbsc/commit/?id=e5e78c21bb6e63a1fd1d2e62c042ecce867c2efc
commit e5e78c21bb6e63a1fd1d2e62c042ecce867c2efc
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date: Wed Nov 18 17:09:22 2015 +0100
gtphub: add to debian build
By the example of osmo-sgsn, package osmo-gtphub for debian.
Sponsored-by: On-Waves ehi
-----------------------------------------------------------------------
Summary of changes:
debian/control | 12 ++++++------
debian/{osmocom-gtphub.default => osmo-gtphub.default} | 0
debian/{osmocom-gtphub.examples => osmo-gtphub.examples} | 0
debian/{osmocom-gtphub.init => osmo-gtphub.init} | 4 ++--
debian/{osmocom-gtphub.install => osmo-gtphub.install} | 0
debian/rules | 2 +-
6 files changed, 9 insertions(+), 9 deletions(-)
rename debian/{osmocom-gtphub.default => osmo-gtphub.default} (100%)
rename debian/{osmocom-gtphub.examples => osmo-gtphub.examples} (100%)
rename debian/{osmocom-gtphub.init => osmo-gtphub.init} (97%)
rename debian/{osmocom-gtphub.install => osmo-gtphub.install} (100%)
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