> Hi there!
>
> I'd like to use a Samsung GT-B3740 USB LTE modem together with OpenWRT.
>
> I assume that the modem isn't supported yet by OpenWRT because it requires
> the "kalmia" kernel module which I couldn't find in the OpenWRT sources.
>
> The "kalmia" driver can be found here:
> https://github.com/mkotsbak/Samsung-GT-B3730-linux-driver
> It was written based on reverse engineering efforts of the Samsung driver
> for Windows.
>
> It looks like the "kalmia" driver is part of the Linux kernel since version
> 3.0. It uses the WWAN subsystem to establish a connection.
>
> If you think the modem should already be supported, how should I test this
> / which OpenWRT version should I use? I have a TP-Link TL-WR1043ND
> available to get the modem up and running.
>
> If it isn't supported yet: Can you please help me to add support for it to
> OpenWRT?
>
> Please tell me if this isn't the right mailing list to discuss such things.
>
> Thank you!
> Michael

To get it to build just add a declaration to

trunk/package/kernel/linux/modules/usb.mk

like this:

define KernelPackage/usb-net-kalmia
  TITLE:=Samsung Kalmia based LTE USB modem
  KCONFIG:=CONFIG_USB_NET_KALMIA
  FILES:=$(LINUX_DIR)/drivers/net/usb/kalmia.ko
  AUTOLOAD:=$(call AutoProbe,kalmia)
  $(call AddDepends/usb-net)
endef

define KernelPackage/usb-net-kalmia/description
 Kernel support for Samsung Kalmia based LTE USB modem
endef

$(eval $(call KernelPackage,usb-net-kalmia))

Then you probably need to send some AT commands to the modem through a
/dev/ttyUSB-node and use dhcp as protocol for the interface.

--
Matti Laakso
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