Hi Pali, NXP doesn't have a plan to support mwifiex driver anymore. How should we handle this kind of retired project in upstream? Thanks, James ________________________________ From: Pali Rohár Sent: Thursday, January 20, 2022 11:30 AM To: Prashanth Ranganathan Cc: Sharvari Harisangam ; Rakesh Parmar ; Cathy Luo ; James Cao ; Linux Firmware ; Linux Wireless ; Gérald Kerma ; Ganapathi Bhat ; Josh Boyer Subject: [EXT] Re: mwifiex 1.0 (16.68.10.p159) - PCIEUSB-8997 firmware is buggy Caution: EXT Email Hello Prashanth! Thank you for reply. Did you have a time to check this issue? Gérald did a great testing which shows that version W16.68.1.p195 and higher of pcieuart8997_combo_v4.bin firmware does not work. On Friday 14 January 2022 17:11:18 Prashanth Ranganathan wrote: > Hi Pali, > Please allow me to check this and respond ASAP. > Best, > Prashanth > ________________________________ > From: Pali Rohár > Sent: Friday, January 14, 2022 9:00 AM > To: Sharvari Harisangam ; Rakesh Parmar ; Cathy Luo ; Prashanth Ranganathan ; James Cao > Cc: Linux Firmware ; Linux Wireless ; Gérald Kerma ; Ganapathi Bhat ; Josh Boyer > Subject: [EXT] Re: mwifiex 1.0 (16.68.10.p159) - PCIEUSB-8997 firmware is buggy > > Caution: EXT Email > > NXP people: Sharvari, Rakesh, Cathy, Zheng: could you please look at > this issue? It is really serous! > > On Monday 27 September 2021 09:47:23 Josh Boyer wrote: > > On Sun, Sep 26, 2021 at 6:43 AM Pali Rohár wrote: > > > > > > Hello Josh, Sharvari and other from NXP! > > > > > > On Saturday 25 September 2021 19:23:48 Gérald Kerma wrote: > > > > Correcting old marvell address to new nxp... > > > > > > > > Le 25/09/2021 à 19:19, Gérald Kerma a écrit : > > > > > Héllo All, > > > > > > > > > > I made some few tests on EspressoBin-Ultra from GlobalScaleTechnologies, > > > > > because of problem with the WiFi. > > > > > > > > > > I have done some quick tests on all the firmware of PCIEUSB-8997 using > > > > > the pcieuart8997_combo_v4.bin on OpenWrt 21.02.x > > > > > > > > > > Here is a summary of the tests : > > > > > - W16.68.10.p159 = KO > > > > > - W16.68.1.p195 = KO > > > > > - V16.68.1.p145 = OK > > > > > - 16.68.1.p140 = OK > > > > > - 16.68.1.p133 = OK > > > > > - 16.68.1.p97 = OK > > > > > - 16.68.1.p70 = KO > > > > > > From this user test result can be seen that last two versions of > > > pcieusb8997_combo_v4.bin firmware file for 8997 wifi+bt card with > > > official mainline linux kernel driver mwifiex were not properly tested > > > internally in NXP and are causing serious issues which make 8997 card > > > basically unusable. > > > > > > Sharvari and other NXP developers: Do you have some internal testing of > > > this pcieusb8997_combo_v4.bin firmware for PCIe+USB variant of 8997 > > > wifi chips? Or are you aware of this issue and do you have in NXP some > > > workaround for it (e.g. at driver level)? Could you please look at this > > > serious issue and try to debug firmware and release a new version, as > > > this is obvious fatal error in firmware itself? > > > > > > Josh, how you in linux-firmware repository handle such, I must say, > > > "fatal issues"? Wait for vendor fixes or revert problematic commits? Or > > > something else? > > > > We can revert if we need to, but I think it's not quite that simple. > > > > > Because when users starts upgrading linux-firmware packages in their > > > downstream distributions then basically wifi cards on this 8997 chips > > > with official mwifiex driver stops working. > > > > The first broken version was committed in Feb of 2019. That's > > approaching 3 years ago. Given that this is binary firmware, I have > > no idea what else may or may not be included in the updates in the > > meantime. > > > > josh > > Josh, as Gérald wrote, current binary in linux-firmware repository is > unusable. And there is no reply from NXP for 3 months. > > You are right that nobody knows what is in firmware binary, but working > binary is at least usable than non-working binary. > > So I would really suggest to start reverting non-working firmware files > if NXP does not respond in few days. > > Gérald, what is your opinion? Do you see other way how to make mainline > linux driver work (again)? > > > > > > REF (and all details of tests) : > > > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FNXP%2Fmwifiex-firmware%2Fissues%2F1&data=04%7C01%7Cjames.cao%40nxp.com%7C09714bf302224e66a34c08d9dc4b5bb5%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637783038495772224%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=3Y6a7lP%2B%2FXwPWGZARx3c99qV3ZFundY0QtfjmC1mYn4%3D&reserved=0 > > > > > > > > > > > > > > > Broken firmware : > > > > > > > > > > Version |W16.68.1.p195| of |pcieusb8997_combo_v4.bin| was included into > > > > > linux-firmware repository by this pull request: > > > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Fall%2FCA%2B5PVA5yQbjg3vaT7F8120B6ngLn7%2BsZC0OWt0KoUiQR9hS4FA%40mail.gmail.com%2F&data=04%7C01%7Cjames.cao%40nxp.com%7C09714bf302224e66a34c08d9dc4b5bb5%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637783038495772224%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=nbzs6YB%2Fyjdp9zJR1PQyZ2prUtPOjthVewIhBCwcqdg%3D&reserved=0 > > > > > > > > > > > > > > > And latest version |W16.68.10.p159| of |pcieusb8997_combo_v4.bin| by > > > > > this pull request: > > > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Flinux-firmware%2FCA%2B5PVA5on7%2BCRtEV7tThPxgucwt3W9i-tEXm4cgH-AmMB-Jrtg%40mail.gmail.com%2F&data=04%7C01%7Cjames.cao%40nxp.com%7C09714bf302224e66a34c08d9dc4b5bb5%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637783038495772224%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=6wktlFLItFxzOdYcgTI2Rs9x3PamVJyfWtaNJU0o0bw%3D&reserved=0 > > > > > > > > > > > > > > > Olders looks to works better. > > > > > > > > > > In quick tests, they allow more than 1 clients at a time ! > > > > > > > > > > I am still testing the V16.68.1.p145 and report the results after some > > > > > longer use... > > > > > > > > > > Hopes it will help... > > > > > Regards, > > > > > Gérald Kerma > > > > > gandalf(at)gk2(dot)net > > > >