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This reverts commit 1e1bfbf1d808e557441afdae44447af457dae7ff.
Aleksander says this might break RS232<->USB converter connected
Cinterion modems, so we'll need to handle this issue another way.
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Caused a crash with the Sierra plugin due to an assertion failure;
the Cinterion plugin shouldn't claim to possibly support ports
it knows it won't support. In this case, it claimed to support
Sierra modems, so it would try to run probing after Sierra had
done so. Ideally this should work, but for now just make sure
the Cinterion plugin doesn't claim to support these ports when
it knows it doesn't.
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See 46d757faa768db7d7bb23d51cc2af3196f7a7e30:
gsm: send init command twice to make the N900 happy (rh #583691) (lp:765516)
for what I think is the real workaround for this bug.
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The N900 has some odd serial characteristics in that it appears to
send pieces of the commands back for whatever reason, until you've sent
a few commands down to it. Almost like it's training on whatever
you send and needs a bit of input to figure out the characteristics.
Whatever. Just send the init command twice instead of failing when
the N900 barfs the first time.
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1) use cfsetispeed/cfsetospeed like the TTY manpage suggests
2) ignore parity/framing errors since we're not using parity anyway
3) double-check that all our TTY settings were successfully set
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Obviously only works while disconnected since the Gobi devices only
provide one AT-compatible tty.
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Fixes a firmware hang on Option GlobeTrotter Express (GE0201 with
firmware 1.12.1Hd (Date: Feb 22 2007, Time: 09:20:28)) and makes
sense in general too.
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The Y3400 is functionally nearly identical to the Y3300.
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Lifted almost entirely from similar code in NetworkManager.
BUG=chromium-os:15197
TEST='dbus-send --print-reply --system --dest=org.freedesktop.ModemManager /org/freedesktop/ModemManager org.freedesktop.ModemManager.SetLogging string:DEBUG'
Also try valid log levels 'ERR', 'WARN', 'INFO', and an invalid log level, such as 'ABCDE'.
Change-Id: I2bddcd0319f4966dd293b119f68e7cc1697949b7
Reviewed-on: http://gerrit.chromium.org/gerrit/3134
Tested-by: Nathan J. Williams <njw@chromium.org>
Reviewed-by: Eric Shienbrood <ers@chromium.org>
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BUG=none
TEST=Insert a SIM with a present but empty (all 0xFF) SPN and check
the system log for a (lack of) assertion errors from mm_charset_gsm_unpacked_to_utf8().
Change-Id: I1250494b9757c9bfdce56402a4471c598f41223f
Reviewed-on: http://gerrit.chromium.org/gerrit/3139
Reviewed-by: Eric Shienbrood <ers@chromium.org>
Tested-by: Nathan J. Williams <njw@chromium.org>
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Otherwise, power-up after going to standby will not work properly
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AT+CFUN=4 will be used when available to go to standby mode. If not supported,
(as in EGS5) AT+CFUN=7 will be used instead, which enables a CYCLIC SLEEP mode.
Flow control setup was updated to RCS/CTS so that waking up from sleep mode
works properly.
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AT+CFUN=4 will be used to go to standby mode.
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Using AT+CFUN=1,0 so that we request to avoid resetting (<rst>=0). Works
properly when powering up after having put the modem in standby mode with
AT+CFUN=4.
Note that the power-up command will only be sent if the check to see if power-up
is needed requests it.
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Some modems only like the power-up command if not already in full functionality
mode. If the power-up is sent while already in full functionality mode, they get
rebooted and reseted.
With this changes, plugins can check whether they need the power-up and ask
the generic gsm code base to skip the command or not.
By default, power-up command (if any given) is never skipped.
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WMC is a proprietary protocol observed on various Verizon devices
and implemented by the UML290.
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Because the code was sending the USSD request with a "notify me via
unsolicited result code" tag, the response could come from any port,
and in was coming from other ports on various devices. But the code
expected the response on the main port, thus it got lost.
So turn the USSD response processing into an unsolicited command handler
instead, which allows us to process the response no matter where it
comes from. This patch also enables network-initiated USSD
notifications and requests since that's easy to add once the first thing
here is done.
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Due to kernel bugs and such.
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The NWSTATE field reports both available access technology and the
actual access technology in-use when a PS connection is active, so
report the actual access tech when it's available.
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Tabs -> spaces
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That's what the udev replay gives us these days (as of udev-152).
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For connection failures, get additional error detail. Currently,
the only error codes that are mapped are the 3GPP TS 24.008 codes
for "Unknown or missing access point name" and "Requested service
option not subscribed" (which is sometimes returned for an invalid
APN).
(random fixes and cleanups by dcbw)
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Otherwise make can't find build-time dependencies.
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CFUN=4 disables the radios but still allows useful operations
like getting PIN lock status. So use that instead.
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We need to ensure that the supports task always has the results of the probing,
no matter if the probing was just launched by the plugin grabbing the port, or
by a previous plugin. We do this during supports_port(), by propagating to the
supports task any possible previously cached probing results.
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This is because the cinterion plugin can handle RS232 modes, and checking
support for them needs to have the vendor ID probed with AT commands, so
probing is almost always issued in this plugin. By sorting last, we let
other plugins check support first.
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This feature is initially disabled for all modems, but plugins can enable it by
setting a value greater than 0 for the "max-timeouts" property when creating the
modem object.
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Note that even if a plugin says it wants to be sorted last, the generic plugin
will always be the last one. Also, there is no order guaranteed between two
plugins that request to be sorted last.
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Port probing is extended to also query for Vendor ID and Product ID. This allows
plugins to check whether the reported IDs are expected, and thus we enable
plugins to handle modems connected via RS232 ports (where udev doesn't give any
vendor ID) or modems connected via a USB adapter (where udev gives the vendor ID
of the adapter).
Note that this effectively means that a plugin which expects these kind of modem
connections will end up always launching port probing as they won't only rely on
the vendor ID reported by udev.
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The 2G-preferred and 3G-preferred modes are not supported on dual
2G/3G cinterion modems.
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