Apologies for late reply, I was stuck with something. Yes attached patch was working well. I did not see set filter params request after applying this patch. Thanks, Kaushal -----Original Message----- From: Linux regression tracking (Thorsten Leemhuis) <regressions@xxxxxxxxxxxxx> Sent: Tuesday, June 20, 2023 7:46 PM To: Oliver Neukum <oneukum@xxxxxxxx>; Purohit, Kaushal <kaushal.purohit@xxxxxx>; stable@xxxxxxxxxxxxxxx Cc: regressions@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx Subject: [EXTERNAL] Re: issues with cdc ncm host class driver On 04.04.23 12:33, Linux regression tracking (Thorsten Leemhuis) wrote: > Side note: there is now a bug tracking ticket for this issue, too: > https://bugzilla.kernel.org/show_bug.cgi?id=217290 > > On 03.04.23 12:09, Oliver Neukum wrote: >> On 03.04.23 08:14, Purohit, Kaushal wrote: > >>> Referring to patch with commit ID >>> (*e10dcb1b6ba714243ad5a35a11b91cc14103a9a9*). >>> >>> This is a spec violation for CDC NCM class driver. Driver clearly >>> says the significance of network capabilities. (snapshot below) >>> >>> However, with the mentioned patch these values are disrespected and >>> commands specific to these capabilities are sent from the host >>> regardless of device' capabilities to handle them. >> >> Right. So for your device, the correct behavior would be to do >> nothing, wouldn't it? The packets would be delivered and the host >> needs to filter and discard unrequested packets. > > #regzbot ^introduced e10dcb1b6ba714243ad > https://bugzilla.kernel.org/show_bug.cgi?id=217290 > #regzbot from: Purohit, Kaushal > #regzbot title net: cdc_ncm: spec violation for CDC NCM #regzbot > ignore-activity Not sure what happen to this, my last inquiries were not answered, so it seems nobody cares anymore #regzbot inconclusive: radio silence, ignoring #regzbot ignore-activity Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page.
