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Change-Id: Ie42b1a2bc92e1a17bc51689ef9dd021d6ce8697d
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Change-Id: Ia2629f9d9887b50b25c6996531b7ef518fb33335
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One logged the wrong function name. Add others.
Change-Id: Ied5d8e84d5d192c826bc131be8907eaa55190479
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gsm0408_dispatch() is the main entry point for receiving data from the BSC/RNC
level, so make sure callers pass valid pointers before using them all the way
down the code path (related to CID#93769, a fix before this was refactored).
For unknown/unimplemented packet discriminators, make sure to return error
codes.
Change-Id: Ieec39c74a53ef4dfa971dd935c8c9aa60fef58c1
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Change-Id: I131939cfba4d67d7e2c935341deeb14d09523fee
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Change-Id: Id1152b105bb7364a06d9720829d39f587242b707
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Change-Id: I6be52bbb69de8aa0a6d57a3a320661ad85fc2cc4
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Change-Id: I281791c0f57ca75ffe14431a3030811b2d224f0b
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Don't use quoted, local include, use <> style include.
Cosmetic: also move stdbool.h include to the top to keep osmocom and openbsc
includes grouped.
Change-Id: Iaa3dc36768f96f6b8c91010a2ba389fdc37f1503
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Add vty function to explicitly set use of 4xRACH type of ack message for
PACKET CONTROL ACKNOWLEDGMENT. Previous hardcoded value (use RLC/MAC
control block) is used as a default.
This is handy for debugging issues related to Timing Advance in context
of GPRS.
Change-Id: Ie869ac0a82055110f1e3b875e246750c4e113336
Related: OS#1526
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Add log_name to lchan_lookup() and pass such from the various RSL rx events
that call it to validate the RSL chan_nr.
Change-Id: Id81e7b8b9c27831923f050a78dfc7d650e687033
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The message 'RF Channel Release due error 0' keeps catching my eye because
it says 'error' even though the error code is zero, i.e. no error.
This shall end now.
Change-Id: Ie0b9d62e8ce85a096c963931e0ae5527b8dc490a
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smpp_try_deliver could fail with rc < 0. In such cases don't send the MS the rp
error sms rejected (cause 21). A rejected message should not be sent again. The
spec 04 11 recommends sending cause 41 Temporary failure in unknown cases.
Add also a log message and rate counter for such cases.
Tweaked-By: Neels Hofmeyr <nhofmeyr@sysmocom.de>
Change-Id: Ia03e50ce2bd9a7d1054cc5a6000fd73bd3497c03
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Some fixes for build environments where dependencies are installed in
distinct directories.
Change-Id: I38808fd2911747b266ee6fde91187a88dd7ae355
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Change-Id: Ifa21513c007072314097b7bec188579972dc1694
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Change-Id: I1f7e1d524042134c93a4f3de599c54d442447512
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Change-Id: I9385655872c4dcf46aa1d18bcc47b84aba2f34f7
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Change-Id: I47b73a40cbdda6b7c31fb2767f74f9f93d84056b
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This is where IuPS will redirect GTP-U endpoints in a subsequent commit.
Also add comprehensive logging of pmm_state transitions.
Change-Id: I7c2cd1abc1805659b01dffffff31c49fe5161086
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Change-Id: I0df0f3d88085939eb617405e2013ad164eed477b
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Iu needs to page to transfer data in PMM-IDLE state.
Change-Id: Id37778cb9a0328a21c8e8246998ecdb43dd687d8
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Change-Id: I2ea2089895f8a8e125ef39d9bef70dafb2b1ce69
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Change-Id: Ib935de22d23a15f449927840d4d59497ce22abbd
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Change-Id: I0b2593c2df13b79eb36975b0d302e31cfdf8bb09
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DEVELOPMENT HACK: Our current HLR does not support 3G authentication tokens. A
new HLR/VLR implementation is being developed. Until it is ready and actual
milenage authentication is properly supported, we are hardcoding a fixed Ki and
use 2G auth.
Change-Id: Ieca45960fa941a3a706c6e479b04b9f2ef89d860
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Change-Id: I6d601586101c0a004b2243633fab48db82b44b7c
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Change-Id: Iad65ca9b77c3166d4df9a58af527e6aef7e589ee
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In gsm48_gmm_sendmsg(), redirect to iu_tx() for both cases of MM context
present or not.
In gsm48_rx_gmm_att_req(), compose an MM context marked as Iu for messages
coming in from a ue_conn_ctx (passed in msg->dst). Also make sure cid is
initialized to avoid introducing a compiler warning.
In gsm48_rx_gmm_ra_upd_req(), look up an Iu MM context based on the presence of
the ue_conn_ctx in msg->dst.
In sgsn-test, add libiu and libasn1c, libosmo-sigtran, libosmo-ranap, which are
now needed for an --enable-iu build.
Change-Id: Ia47ffbfa6fa0f5a0cd76a379c57ef42faa0d80e3
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Add main Iu entry points for IuPS:
* gsm0408_gprs_rcvmsg_iu()
* sgsn_ranap_iu_event()
* sgsn_ranap_rab_ass_resp()
Add main MM context management for IuPS:
* sgsn_mm_ctx_by_ue_ctx()
* sgsn_mm_ctx_alloc_iu()
Call iu_init() from sgsn_main.c.
Add asn_debug impl ("extern" from libasn1c).
Initialize asn_debug VTY command (iu_vty_init()).
osmo-sgsn build: add libiu and libasn1c, libosmo-sigtran, libosmo-ranap
Change-Id: I469ae6ca9ef254d04ee0d2d79bdd65aebcd027b5
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Add file iu_vty.c in libiu, and iu_vty_init() to initialize the new VTY
command:
log
logging asn1-debug (1|0)
Change-Id: If4e7d0ab3fc2ed0cdf4fb0a3fa077a9e34890918
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As the NITB has an internal SIGABRT handler that prints a talloc report,
let's also print a stack backtrace at the same point.
Change-Id: Ia63aa5c39b26e27c3ee220d755c17d2c1ef636c5
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Introduced by b847a21fa48158b17c4f84c1ceeb3d143cffed8c
Change-Id: I57c41f98e3826951a5071b005cb640c23d466477
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Tweaked-By: Neels Hofmeyr <nhofmeyr@sysmocom.de>
Change-Id: I7361033cd1eb919ec3c2ea2652f40ab8c75b2f99
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For Iu connections, msg->dst will point to the ue_conn_ctx, and we need to make
sure to keep msg->dst intact when copying from/to msgb and from/to MM context.
Change-Id: I90c7ca6c3655d447aaca958e0086ae6ce6f6045a
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Bit 4 is reserved in 3GPP TS 04.08 so exclude it from the type.
In 3GPP TS 24.008 it indicates if a follow-on request is pending by the
MS, but only in Iu mode. According to the spec it is not required to
react to that request with a follow-on proceed so this field can be
ignored for now.
See 3GPP TS 24.008 Ch. 4.4:
"Unless it has specific permission from the network (follow-on proceed)
the mobile station side should await the release of the RR connection
used for a MM specific procedure before a new MM specific procedure or
MM connection establishment is started."
as well as Ch. 4.4.4.6:
"If the network wishes to prolong the RR connection to allow the mobile
station to initiate MM connection establishment (for example if the
mobile station has indicated in the LOCATION UPDATING REQUEST that it
has a follow-on request pending) the network shall send "follow on
proceed" in the LOCATION UPDATING ACCEPT and start timer T3255."
Change-Id: If1dff960c406060e257dafc54132687ffc42ad8f
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Change-Id: I9a9b34d714235462ba72cdb65b7c8c9824dfa9c6
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Co-Authored by dwillmann, laforge, nhofmeyr
Change-Id: Iffc26f9c73cb15463948f7435b72ac1747aabdb3
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With this commit the already existing XID mechanism has been
modified to suit the needs for the upcomming SNDCP-XID patches.
This commit should not break anything since it does not alter
the current behaviour (incoming XID is still just echoed, on
GMM-Reset a basic XID message is still echoed)
Change-Id: I65b9d625e72d3d61c99abdc7041773701d694d52
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For some reason gprs_sndcp.h is located in src/gprs. This commit moves
gprs_sndcp.h to include/openbsc and fixes the include path in
gprs_sndcp.c and gprs_sndcp_vty.c
Change-Id: If4e4f1252c81d7907c1b4d738c982bb172b128c9
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The lle-xid encoder/decoder is needed to encode and decode llc
xid parameter messages. We need this to exchange sndcp-parameters
(SNDCP-XID) and also simple parameters such as encryption IOVs
Change-Id: Ia06e4cb08bf9b48c2a4682606d1b1a91d19a9d37
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Change-Id: I57c3b7d27d857c96e3fa3dacf7b766bc43100fc3
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In rsl_lchan_mark_broken(), call rsl_lchan_set_state() so the state transition
gets logged in the debug log.
Remove logging for the broken channel at the callers, instead log the error
actually in rsl_lchan_mark_broken() itself, with the reason message passed by
the caller anyway. (Removes code dup and ensures it's always logged.)
Change-Id: I54ae9bbd3f193bae7b1bda1fef3e33e62b353bf5
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Change-Id: Ifbf31cde24b2d1022b7a472966c17959c96e6dda
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Change-Id: I7ddcb41edce1cd7b22fe91e33bdcaedb21856222
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Tested by hacking a REL ACK delay of a couple of seconds into osmo-bts' rsl.c
for the first TCH_H lchan:
[[[
diff --git a/include/osmo-bts/rsl.h b/include/osmo-bts/rsl.h
index 093e9cb..b35c3bb 100644
--- a/include/osmo-bts/rsl.h
+++ b/include/osmo-bts/rsl.h
@@ -22,6 +22,7 @@ int rsl_tx_est_ind(struct gsm_lchan *lchan, uint8_t link_id, uint8_t *data, int
int rsl_tx_chan_act_acknack(struct gsm_lchan *lchan, uint8_t cause);
int rsl_tx_conn_fail(struct gsm_lchan *lchan, uint8_t cause);
int rsl_tx_rf_rel_ack(struct gsm_lchan *lchan);
+int rsl_tx_rf_rel_ack_later(struct gsm_lchan *lchan);
int rsl_tx_hando_det(struct gsm_lchan *lchan, uint8_t *ho_delay);
/* call-back for LAPDm code, called when it wants to send msgs UP */
diff --git a/src/common/l1sap.c b/src/common/l1sap.c
index 3802e25..1f92b0d 100644
--- a/src/common/l1sap.c
+++ b/src/common/l1sap.c
@@ -491,7 +491,16 @@ static int l1sap_info_rel_cnf(struct gsm_bts_trx *trx,
lchan = get_lchan_by_chan_nr(trx, info_act_cnf->chan_nr);
- rsl_tx_rf_rel_ack(lchan);
+ static int yyy = 0;
+
+ DEBUGP(DRSL, "%s YYYYYYYYYYYYYYYYYYYYY %d %s\n",
+ gsm_lchan_name(lchan), yyy, gsm_lchant_name(lchan->type));
+
+ if (lchan->type == GSM_LCHAN_TCH_H && !yyy) {
+ yyy ++;
+ rsl_tx_rf_rel_ack_later(lchan);
+ } else
+ rsl_tx_rf_rel_ack(lchan);
/* During PDCH DEACT, this marks the deactivation of the PDTCH as
* requested by the PCU. Next up, we disconnect the TS completely and
diff --git a/src/common/rsl.c b/src/common/rsl.c
index 3c97af9..7926f21 100644
--- a/src/common/rsl.c
+++ b/src/common/rsl.c
@@ -534,6 +534,22 @@ int rsl_tx_rf_rel_ack(struct gsm_lchan *lchan)
return abis_bts_rsl_sendmsg(msg);
}
+struct osmo_timer_list yyy_timer;
+
+static void yyy_timer_cb(void *data)
+{
+ rsl_tx_rf_rel_ack(data);
+}
+
+int rsl_tx_rf_rel_ack_later(struct gsm_lchan *lchan)
+{
+ yyy_timer.cb = yyy_timer_cb;
+ yyy_timer.data = lchan;
+ osmo_timer_schedule(&yyy_timer, 10, 0);
+ return 0;
+}
+
+
/* 8.4.2 sending CHANnel ACTIVation ACKnowledge */
static int rsl_tx_chan_act_ack(struct gsm_lchan *lchan)
{
]]]
Change-Id: I87e07e1d54882f8f3d667fa300c6e3679f5c920d
Fixes: OS#1798
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Actually schedule an activation timer for the activation part of a dyn TS
switchover. It needs to be restarted because the channel release procedure in
the first part of a switchover actually removes the activation timer.
Change-Id: Ibf50d13ba10298464a8b07e34716763161438990
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The dyn_ts_switchover_*() functions made the impression that they act on a
specific lchan of a timeslot. The assumption that we would remember to use e.g.
lchan[1] across a PDCH deactivation is brain damaged to begin with; and
factually we always use lchan[0] anyway (the only case for using lchan[1] would
be when switching to TCH/H, but the channel allocator will always return
lchan[0] for that).
Instead of the brain damaged lchan args, use a ts arg across all
dyn_ts_switchover_*() functions, with one exception: The
dyn_ts_switchover_complete() actually receives an RSL activation ack message on
a specific lchan and needs to evaluate its lchan type. This will always be
lchan[0] as it is now, but we should stick with the lchan the message was sent
for.
For PDCH, a check to use lchan[0] already existed, when composing the ACT
message in rsl_chan_activate_lchan_as_pdch(). Replace with an assertion.
Adjust all callers to pass ts instead of lchan.
In dyn_ts_switchover_start(), there was a dead code check that jumps to
switchover_complete() in case the pchan already matches. This never hits,
because we only call dyn_ts_switchover_start() when pchans mismatch. So avoid
guessing at passing lchan[0] to dyn_ts_switchover_complete() by not calling it
at all but logging an error instead.
In rsl_chan_activate_lchan(), we remember some values before going into
switchover from PDCH. Explicitly store them in lchan[0], because after a PDCH
release we have always and will activate no other than lchan[0].
In dyn_ts_switchover_continue(), move the check for any existing lchan->rqd_ref
further above, and more correctly check all lchans that were so far valid on
the TS, instead of just one.
This partly prepares for a subsequent commit to fix the act_timer use for dyn
TS: with the old lchan arg, we might schedule an activation timer on lchan[1]
but receive an ack on lchan[0] (for PDCH), leading to an act_timer expiry.
Change-Id: I3f5d48a9bdaa49a42a1908d4a03744638c59796a
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Tested by hacking a CHAN ACT ACK delay of a couple of seconds into osmo-bts'
rsl.c for the first TCH_H lchan:
[[[
diff --git a/src/common/rsl.c b/src/common/rsl.c
index 3c97af9..4bfd27a 100644
--- a/src/common/rsl.c
+++ b/src/common/rsl.c
@@ -559,6 +559,22 @@ static int rsl_tx_chan_act_ack(struct gsm_lchan *lchan)
return abis_bts_rsl_sendmsg(msg);
}
+struct osmo_timer_list xxx_timer;
+
+static void xxx_timer_cb(void *data)
+{
+ rsl_tx_chan_act_ack(data);
+}
+
+static int rsl_tx_chan_act_ack_later(struct gsm_lchan *lchan)
+{
+ xxx_timer.cb = xxx_timer_cb;
+ xxx_timer.data = lchan;
+ osmo_timer_schedule(&xxx_timer, 10, 0);
+ return 0;
+}
+
+
/* 8.4.7 sending HANDOver DETection */
int rsl_tx_hando_det(struct gsm_lchan *lchan, uint8_t *ho_delay)
{
@@ -614,6 +630,18 @@ int rsl_tx_chan_act_acknack(struct gsm_lchan *lchan, uint8_t cause)
if (cause)
return rsl_tx_chan_act_nack(lchan, cause);
+
+ static int xxx = 0;
+
+ DEBUGP(DRSL, "%s XXXXXXXXXXXXXXXXXXXXX %d %s\n",
+ gsm_lchan_name(lchan), xxx, gsm_lchant_name(lchan->type));
+
+ if (lchan->type == GSM_LCHAN_TCH_H) {
+ if (!xxx) {
+ xxx ++;
+ return rsl_tx_chan_act_ack_later(lchan);
+ }
+ }
return rsl_tx_chan_act_ack(lchan);
}
]]]
Change-Id: Ie82dec9c9fefc476fdf5b5afdad2246b9d6fe304
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Prepares for an upcoming commit using the same check in error_timeout_cb().
Change-Id: I8abfa964631040f798212cc3e360f67f9e09b7c5
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Change-Id: I20ecb3299d67dbaa7b016620685997db49970ffb
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