This fix is similar to the one in the following commit,
but fixes allocation for context ids after ap's are
read from settings.
commit c3fdf6a7c5
Author: Denis Kenzior <denkenz@gmail.com>
Date: Thu Jan 3 17:17:21 2019 -0600
gprs: Fix allocation of context id
Handled DSSA use case for xmm7modem. Added driver function
to switch between available card slots for SIM.
Only one SIM will be active at a given time. On calling this
function the active SIM will be removed and the card slot made
inactive and SIM in the other card slot will be made active.
Use case is similar to a SIM swap/change where one SIM is replaced
another SIM in the same slot.
According to the u-blox AT Commands Manual and my tests
the response prefix of AT+UUSBCONF is "+UUSBCONF:", including
a colon. The colon was missing in the code, causing next step
to parse a number to fail, since a colon is not a number.
In a recent patch vendor family was only set if the device
did not support USBCONF, but that resulted in drivers
being registered the "generic" vendor. That caused
for instance netreg to use incorrect cmer mode and fail
on TOBY-L210.
Adding two new properties to sim manager interface to handle
dual SIM single active use case.
CardSlotCount [readonly]
Contains the count of number of SIM card slots available.
ActiveCardSlot [readwrite]
Contains the index of the currently active SIM card slot
for dual SIM single active mode.
Trying to set the networking mode to "bridge" mode in the plugin is bogus
because the setting does not apply until after the device has been
reset. Instead, the current setting should be queried.
If a user wants to set the modem networking mode, the setting should be
made outside of ofono.
The gprs-context driver has already been adjusted to query the
networking mode and to set things up accordingly.
The TOBY L2 may run in either "bridge" mode or "router" mode. For this
model, query the configured mode so that the appropriate settings are
communicated when the context is activated.
The TOBY L4 supports only "router mode" where the modem presents a
network interface that one can run a DHCP client against. Behind this
interface, the modem takes care of routing packets via NAT by:
i) selecting the relevant context based on destination IP
ii) using the first activated context as the default route
In order to have the connection manager, thus, do the right thing, the
context only needs to report itself as being active and with the IP
settings set to method "dhcp". There's no need for the connection manager
to know details like what IP address the context was assigned.
Tested with connman that does the right thing when it finds an active
"dhcp" context.
Depending on the transport used on the data connection we want either
the "atmodem" (PPP) driver or the "ubloxmodem". For the "ubloxmodem",
we want to pass the model data so this patch wrangles some parameters to
make sure that right driver and right variant data are passed.
There are a couple of semi-independent changes here:
* use the 'vendor' parameter to pass the modem 'model'
* support TOBY L4 modem which uses a fixed CID for configuring the EPS
default bearer
* add the setup of authentication parameters that was recently added to
the atmodem LTE driver
ttyACM0 (USB interface 02) is reportedly unreliable (breaking DHCP setup)
so the recommended approach is to use ttyACM2 (USB interface 06)
exclusively.
Some aspects of a device are detectable at runtime, like the USB profile
detection that was added in a patch preceding this one. This patch
switches the driver over from creating a new "vendor id" for each
profile to just setting a flag. This is more easily extensible as we
detect other features of the modem.
The TOBY L2 series of modems presents a number of different
configurations with different throughtput characteristics. These
configurations are packaged up as USB profiles; moreover, changing the
profile actually changes the USB model ID so this is even more like
selecting a different "device" altogether. Nonetheless, all we need to
know is which profile is selected in order to set things up correctly
and this can be queried directly.
This patch adds a call to UUSBCONF for applicable modems in order to
query the USB configuration to find out which profile is active.
This flag should be set on devices that support multiple USB profiles
and will be used to determine whether or not querying USB profiles is
appropriate/necessary.
This patch adds a call to CGMM into the modem_enable path in order to
establish the specific device model. From this device model string, a
model-specific capabilities structure can be selected.
This sets up some device model data structures and adds some helpers for
manipulating them. These data structures are a first step to trying to
support the large number of devices that ublox produces with a common
driver structure.
Many ublox modems can sit on either the USB bus or talk directly to a
UART. The udev plugin mostly takes care of figuring out what ports to
talk to and the protocol is common for all devices after that.
This patch simplifies the setup a bit:
i) There must always be an aux channel for communication with the modem
ii) The aux channel may be found behind the string Aux for USB modems
or Device for serial modems
iii) If the Modem string is set, use it; if not set, assume it's not
available.
The 'Toby L2'-specific vendor type is used only to prevent the CMER
command from attempting to set mode '3'. For all u-blox models, mode
'3' is just an alias for mode '1'. As such, mode '1' can be used in
place of mode '3', removing the model-specific quirk in favour of a
vendor-specific quirk.
With this change, the L2-specific vendor type is no longer needed.
While adding the sim pin cache feature, pin_name could cause issue in
cases when sim pin is not there.
log:
ofonod[27810]: drivers/atmodem/sim.c:at_cpin_cb() crsm_pin_cb: READY
ofonod[27810]: src/sim.c:sim_pin_query_cb() sim->pin_type: 0, pin_type: 0
ofonod[27810]: Aborting (signal 11) [./src/ofonod]
ofonod[27810]: ++++++++ backtrace ++++++++
ofonod[27810]: #0 0x7fb7a7586cb0 in /lib/x86_64-linux-gnu/libc.so.6
ofonod[27810]: #1 0x7fb7a7693cd8 in /lib/x86_64-linux-gnu/libc.so.6
ofonod[27810]: #2 0x4d899b in sim_pin_query_cb() at src/sim.c:3174
ofonod[27810]: #3 0x4649e7 in at_cpin_cb() at drivers/atmodem/sim.c:1304
ofonod[27810]: #4 0x4a5d70 in at_chat_finish_command() at gatchat/gatchat.c:462
The if statements were over 80 characters and breaking them up made the
code look a bit uglier. So refactor the if statements to just figure
out the data path 'n' parameter or return an error. On success, form
the datapath string and return it.
Also bump the buffer size and use snprintf to be safe(r).
This patch allows a driver to set the interface only once, instead of at
every context activation. The previous way was originally designed for
PPP and RAW_IP based contexts which would have a (potentially)
differently named interface after each context activation due to use of
TUN/TAP. This also worked for static high-speed interface setups as
well, since these usually had a single interface only.
For devices that support multiple high-speed interfaces it would be
advantageous to have each gprs_context get an interface assignment right
in the modem driver and skip having to setup the interface on every
activation.
Since the commit that introduced the notification API of a SIM inserted
and initialized I can not unlock the SIM card on a WP7607 modem.
The previously mentioned commit: 54d56d763e
Adding SIM PIN caching feature to oFono. oFono now caches the SIM PIN1
type against the ICCID throughout its lifetime in a link list and
enters implicitly upon modem reset/crash.
Note, that this behavior can violate 3GPP spec 21.111, section 5.3 -
User Data stored in ME if that section is interpreted very strictly.
However, our interpretation is that firmware resets are allowed, based
on historic precedent. Helps in user experience by not barring out
cellular services unless pin is entered manually.
Handles cases of incorrect pin and sim pin changed externally.
Clear cached PIN incase modem disabled manually and selectively when
sim is removed.
Seperate 'pin_cache_enter_cb' added without dbus calls to handle
implict entering of cached pin.
For now this behavior is applicable to all modems by default. In the
future it may be needed to make this behavior opt in or otherwise
configurable.
Richard Röjfors
Antara Borwankar
Denis Kenzior
Jonas Bonn
Anirudh Gargi
Philippe De Swert
Christophe Ronco
Pičugins Arsenijs
Nicolas Serafini
Pavel Machek
Nandini Rebello
Marcel Holtmann