linux-kernel - Re: [PATCH v1 1/2] net: usb: cdc

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Message-ID: <4848899e-2c88-f6aa-8901-bf28266f2954@gmail.com>
Date:   Fri, 8 Apr 2022 08:23:52 +0700
From:   Lars Melin <larsm17@...il.com>
To:     sven@...nschwermer.de, linux-usb@...r.kernel.org
Cc:     Sven Schwermer <sven.schwermer@...ruptive-technologies.com>,
        linux-kernel@...r.kernel.org, oliver@...kum.org
Subject: Re: [PATCH v1 1/2] net: usb: cdc_ether: Add Fibocom L610 modem

On 4/7/2022 14:47, sven@...nschwermer.de wrote:
> From: Sven Schwermer <sven.schwermer@...ruptive-technologies.com>
> 
> T:  Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#=122 Spd=480  MxCh= 0
> D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=1782 ProdID=4d11 Rev= 0.00
> S:  Manufacturer=FIBOCOM
> S:  Product=L610
> C:* #Ifs= 9 Cfg#= 1 Atr=e0 MxPwr=400mA
> A:  FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=06 Prot=00
> I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether
> E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=32ms
> I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 7 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 8 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> 
> Signed-off-by: Sven Schwermer <sven.schwermer@...ruptive-technologies.com>
> ---
>   drivers/net/usb/cdc_ether.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
> index 9b4dfa3001d6..b09b5567aea2 100644
> --- a/drivers/net/usb/cdc_ether.c
> +++ b/drivers/net/usb/cdc_ether.c
> @@ -999,6 +999,12 @@ static const struct usb_device_id	products[] = {
>   				      USB_CDC_SUBCLASS_ETHERNET,
>   				      USB_CDC_PROTO_NONE),
>   	.driver_info = (unsigned long)&wwan_info,
> +}, {
> +	/* Fibocom L610 (+GTUSBMODE=32) */
> +	USB_DEVICE_AND_INTERFACE_INFO(0x1782, 0x4d11, USB_CLASS_COMM,
> +				      USB_CDC_SUBCLASS_ETHERNET,
> +				      USB_CDC_PROTO_NONE),
> +	.driver_info = (unsigned long)&wwan_info,
>   }, {
>   	USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
>   			USB_CDC_PROTO_NONE),

The same question for this one, why added to the whitelist?

thanks
Lars