Hello guys. Some very good people managed to detect there is a problem with some Huawei firmwares and NCM padding. I actually don't think I have the hardware to test btw. On Wed, 14 Sep 2016, Marek Brudka wrote: Sorry Marek - I forwarded this message without asking for your consent. Let me know anyway if this is a problem. thank you all guys for everything, Enrico ==Date: Wed, 14 Sep 2016 19:31:50 ==From: Marek Brudka <mbrudka@xxxxxxxxx> ==To: Enrico Mioso <mrkiko.rs@xxxxxxxxx> ==Subject: Re: Question about CDC_NCM_FLAG_NDP_TO_END == ==Hello Enrico, == ==As nobody at openwrt forum replied to my request on the way how to get ==the exact ==recompilation of OpenWrt 15.05.1 I decided to switch to the developement ==version ==(12/09/2016), which already contains your patch. == ==The nice thing is that I got my modem (E3372 HiLink reflashed to E398) ==working ==in ncm mode! == ==The bad thing is DHCP. It seems, that cdc_ncm driver somehow consumes DHCP ==replies. I had to manually setup wwan0 interface as well as routing ==using the result ==of Hayes command == ==AT^DHCP? ==^DHCP: ==EC684764,F8FFFFFF,E9684764,E9684764,356002D4,366002D4,43200000,43200000 ==OK == ==Certainly, I will modify connect scripts == ==https://github.com/zabbius/smarthome/tree/master/openwrt/huawei-ncm/files/usr/sbin ==for me to parse this response. However it seems, that the problem is on ==driver level and ==is related with padding. Do you know this issue which is nicely ==described in the thread == https://forum.openwrt.org/viewtopic.php?pid=273099 ==of OpenWrt forum? == ==Thank you ==Marek Brudka == == ==W dniu 11.09.2016 o 15:19, Enrico Mioso pisze: ==> Hello Marek. ==> ==> First of all, thank you for your interest in this driver, and for writing. ==> ==> Unfortunately, I don't know the exact procedure to do that: you might be confortable putting those patches in generic-patches-kernel_version if I am not wrong, but I may well be wrong or imprecise, and recompile the whole Openwrt thing? ==> don't know. But yes, that message should appear in the dmesg. ==> NDPs need to be at end of NCM frames. Oh, I don't remember well what NDP stands for... ufh. Sorry. ==> ==> Anyway, let me know if I can do something for you. ==> Enrico ==> == == == -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
