Hi,
Ralink has provided a new driver for the rt2860 hardware,
I haven't tested it yet but it deserves the attention for one simple reason:
it hooks into mac80211.
It doesn't hook into rt2x00lib yet, and neither does it support everything
mac80211 could do, but it can be used as base for further developing
the rt2800pci drivers by filling the last remaining gaps.
The driver can be found here:
http://kernel.org/pub/linux/kernel/people/ivd/RT28xx_Linux_mac80211_20081203_V2.0-GPL.tgz
Mark, Matthias and Felix you offered/provided help with the rt2800 developers
before. I would really appreciate if you could help me with merging this drivers
into the rt2800pci/rt2800usb drivers. :)
(Other developers are off course welcome as well!)
Ivo
On Thursday 02 October 2008, Mark Asselstine wrote:
> Hello,
>
> I have some free cycles and would love to help out in getting support
> for rt2860 and wpa support into this project. I can see that such
> support was discussed some at the last development meeting as well as
> in Bug 10754. I have cloned the tree and am ready to go, anyone have
> any pointers to areas I can help out with?
>
> Regards,
> Mark
>
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
> Build the coolest Linux based applications with Moblin SDK & win great prizes
> Grand prize is a trip for two to an Open Source event anywhere in the world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________
> Rt2400-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/rt2400-devel
>
Hi,
>> Ralink has provided a new driver for the rt2860 hardware,
>> I haven't tested it yet but it deserves the attention for one simple reason:
>> it hooks into mac80211.
>> It doesn't hook into rt2x00lib yet, and neither does it support everything
>> mac80211 could do, but it can be used as base for further developing
>> the rt2800pci drivers by filling the last remaining gaps.
>>
>> The driver can be found here:
>> http://kernel.org/pub/linux/kernel/people/ivd/RT28xx_Linux_mac80211_20081203_V2.0-GPL.tgz
>>
>> Mark, Matthias and Felix you offered/provided help with the rt2800 developers
>> before. I would really appreciate if you could help me with merging this drivers
>> into the rt2800pci/rt2800usb drivers. :)
>> (Other developers are off course welcome as well!)
>>
>
> Thanks for doing some of the initial legwork. I have finally managed
> to get workflow in place and attempt to do some useful work. I can get
> a reproducible kernel oops by simply doing a 'ifconfig wlan0 up'
> followed by a 'iwlist wlan0 scanning'. I do plan on digging into this
> but here is the oops:
>
> BUG: unable to handle kernel NULL pointer dereference at 0000001c
> IP: [<f80e9720>] rt2x00ht_create_tx_descriptor+0x20/0xc0 [rt2x00lib]
I fixed this issue 2 days ago, you might want to update your
rt2x00.git checkout. :)
Ivo
On Wed, Dec 10, 2008 at 8:48 AM, Ivo van Doorn <[email protected]> wrote:
> Hi,
>
> Ralink has provided a new driver for the rt2860 hardware,
> I haven't tested it yet but it deserves the attention for one simple reason:
> it hooks into mac80211.
> It doesn't hook into rt2x00lib yet, and neither does it support everything
> mac80211 could do, but it can be used as base for further developing
> the rt2800pci drivers by filling the last remaining gaps.
>
> The driver can be found here:
> http://kernel.org/pub/linux/kernel/people/ivd/RT28xx_Linux_mac80211_20081203_V2.0-GPL.tgz
>
> Mark, Matthias and Felix you offered/provided help with the rt2800 developers
> before. I would really appreciate if you could help me with merging this drivers
> into the rt2800pci/rt2800usb drivers. :)
> (Other developers are off course welcome as well!)
>
Thanks for doing some of the initial legwork. I have finally managed
to get workflow in place and attempt to do some useful work. I can get
a reproducible kernel oops by simply doing a 'ifconfig wlan0 up'
followed by a 'iwlist wlan0 scanning'. I do plan on digging into this
but here is the oops:
BUG: unable to handle kernel NULL pointer dereference at 0000001c
IP: [<f80e9720>] rt2x00ht_create_tx_descriptor+0x20/0xc0 [rt2x00lib]
Oops: 0000 [#1]
last sysfs file:
/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0/firmware/0000:01:00.0/loading
Modules linked in: rt2800pci rt2x00pci rt2x00lib crc_ccitt
eeprom_93cx6 netconsole ipv6 [last unloaded: eeprom_93cx6]
Pid: 1803, comm: phy2 Not tainted (2.6.28-rc7-wl #12) 1000H
EIP: 0060:[<f80e9720>] EFLAGS: 00010286 CPU: 0
EIP is at rt2x00ht_create_tx_descriptor+0x20/0xc0 [rt2x00lib]
EAX: 00000000 EBX: f69e9e00 ECX: f7307b40 EDX: 00000000
ESI: f7307260 EDI: f7307240 EBP: f7307260 ESP: f69e9da0
DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
Process phy2 (pid: 1803, ti=f69e8000 task=f71267c0 task.ti=f69e8000)
Stack:
f69e9e00 f6959c00 f80e9800 f80e84ed f7307240 f6964c60 f6a06420 f7307b40
0000002e f690b42c f7307240 f69641a0 f6959c00 f80e885a f69e9f40 c17ecac0
00000000 f69eb100 f7307260 3f656025 00000000 f7307240 00000000 f6a26b00
Call Trace:
[<f80e84ed>] rt2x00queue_create_tx_descriptor+0x23d/0x360 [rt2x00lib]
[<f80e885a>] rt2x00queue_write_tx_frame+0x4a/0x190 [rt2x00lib]
[<f80e762f>] rt2x00mac_tx+0x7f/0x300 [rt2x00lib]
[<c036c831>] __ieee80211_tx+0x41/0xf0
[<c036e85f>] ieee80211_master_start_xmit+0x1df/0x400
[<c0378cd4>] schedule_timeout+0x54/0xb0
[<c02e4a02>] dev_hard_start_xmit+0x232/0x2c0
[<c02f2f3b>] __qdisc_run+0x19b/0x1f0
[<c02e4e87>] dev_queue_xmit+0x2e7/0x500
[<c035f3b8>] ieee80211_scan_work+0xe8/0x1a0
[<c035f2d0>] ieee80211_scan_work+0x0/0x1a0
[<c012b2da>] run_workqueue+0x4a/0xf0
[<c037887c>] schedule+0x18c/0x2f0
[<c012b70f>] worker_thread+0x7f/0xe0
[<c012e920>] autoremove_wake_function+0x0/0x50
[<c012b690>] worker_thread+0x0/0xe0
[<c012e547>] kthread+0x37/0x70
[<c012e510>] kthread+0x0/0x70
[<c0103eab>] kernel_thread_helper+0x7/0x1c
Code: ff ff 90 90 90 90 90 90 90 90 90 83 ec 0c 89 1c 24 89 d3 0f b6
51 06 89 74 24 04 89 7c 24 08 8b 78 08 8d 14 92 8d 77 20 8b 46 20 <0f>
b6 40 1c 66 c7 43 14 00 00 66 c7 43 12 00 00 66 89 43 18 0f
EIP: [<f80e9720>] rt2x00ht_create_tx_descriptor+0x20/0xc0 [rt2x00lib]
SS:ESP 0068:f69e9da0
Kernel panic - not syncing: Fatal exception in interrupt
Dump of assembler code for function rt2x00ht_create_tx_descriptor:
0x00003730 <rt2x00ht_create_tx_descriptor+0>: sub $0xc,%esp
0x00003733 <rt2x00ht_create_tx_descriptor+3>: mov %ebx,(%esp)
0x00003736 <rt2x00ht_create_tx_descriptor+6>: mov %edx,%ebx
0x00003738 <rt2x00ht_create_tx_descriptor+8>: movzbl 0x6(%ecx),%edx
0x0000373c <rt2x00ht_create_tx_descriptor+12>: mov %esi,0x4(%esp)
0x00003740 <rt2x00ht_create_tx_descriptor+16>: mov %edi,0x8(%esp)
0x00003744 <rt2x00ht_create_tx_descriptor+20>: mov 0x8(%eax),%edi
0x00003747 <rt2x00ht_create_tx_descriptor+23>: lea
(%edx,%edx,4),%edx
0x0000374a <rt2x00ht_create_tx_descriptor+26>: lea 0x20(%edi),%esi
0x0000374d <rt2x00ht_create_tx_descriptor+29>: mov 0x20(%esi),%eax
0x00003750 <rt2x00ht_create_tx_descriptor+32>: movzbl 0x1c(%eax),%eax
0x00003754 <rt2x00ht_create_tx_descriptor+36>: movw $0x0,0x14(%ebx)
0x0000375a <rt2x00ht_create_tx_descriptor+42>: movw $0x0,0x12(%ebx)
0x00003760 <rt2x00ht_create_tx_descriptor+48>: mov %ax,0x18(%ebx)
0x00003764 <rt2x00ht_create_tx_descriptor+52>: movzbl 0x8(%edx,%edx,1),%eax
0x0000376c <rt2x00ht_create_tx_descriptor+60>: mov %ax,0x10(%ebx)
0x00003770 <rt2x00ht_create_tx_descriptor+64>: mov %eax,%edx
0x00003772 <rt2x00ht_create_tx_descriptor+66>: testw $0xff00,0x6(%ecx)
0x00003778 <rt2x00ht_create_tx_descriptor+72>: je 0x3781
<rt2x00ht_create_tx_descriptor+81>
0x0000377a <rt2x00ht_create_tx_descriptor+74>: or $0x8,%edx
0x0000377d <rt2x00ht_create_tx_descriptor+77>: mov %dx,0x10(%ebx)
0x00003781 <rt2x00ht_create_tx_descriptor+81>: testb $0x40,0x20(%edi)
0x00003785 <rt2x00ht_create_tx_descriptor+85>: je 0x378b
<rt2x00ht_create_tx_descriptor+91>
0x00003787 <rt2x00ht_create_tx_descriptor+87>: btsl $0xe,(%ebx)
0x0000378b <rt2x00ht_create_tx_descriptor+91>: movzbl 0xa(%esi),%edx
0x0000378f <rt2x00ht_create_tx_descriptor+95>: movzbl %dl,%eax
0x00003792 <rt2x00ht_create_tx_descriptor+98>: test $0x8,%al
0x00003794 <rt2x00ht_create_tx_descriptor+100>: je 0x37a3
<rt2x00ht_create_tx_descriptor+115>
0x00003796 <rt2x00ht_create_tx_descriptor+102>: movw $0x2,0x16(%ebx)
0x0000379c <rt2x00ht_create_tx_descriptor+108>: movzbl 0xa(%esi),%edx
0x000037a0 <rt2x00ht_create_tx_descriptor+112>: movzbl %dl,%eax
0x000037a3 <rt2x00ht_create_tx_descriptor+115>: test $0x10,%al
0x000037a5 <rt2x00ht_create_tx_descriptor+117>: je 0x37b4
0x000037a7 <rt2x00ht_create_tx_descriptor+119>: movw $0x3,0x16(%ebx)
0x000037ad: movzbl 0xa(%esi),%edx
0x000037b1: movzbl %dl,%eax
0x000037b4: test $0x20,%al
0x000037b6: je 0x37c0
0x000037b8: btsl $0xf,(%ebx)
---Type <return> to continue, or q <return> to quit---
0x000037bc: movzbl 0xa(%esi),%edx
0x000037c0: test %dl,%dl
0x000037c2: jns 0x37c8
0x000037c4: btsl $0x10,(%ebx)
0x000037c8: mov (%esp),%ebx
0x000037cb: mov 0x4(%esp),%esi
0x000037cf: mov 0x8(%esp),%edi
0x000037d3: add $0xc,%esp
0x000037d6: ret
End of assembler dump.
This could easily be my setup but I thought I would send it out to let
you know your email did not go unnoticed and secondly in case you had
some hints as to what I might be doing incorrectly.
Mark
> Ivo
>
> On Thursday 02 October 2008, Mark Asselstine wrote:
>> Hello,
>>
>> I have some free cycles and would love to help out in getting support
>> for rt2860 and wpa support into this project. I can see that such
>> support was discussed some at the last development meeting as well as
>> in Bug 10754. I have cloned the tree and am ready to go, anyone have
>> any pointers to areas I can help out with?
>>
>> Regards,
>> Mark
>>
>> -------------------------------------------------------------------------
>> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
>> Build the coolest Linux based applications with Moblin SDK & win great prizes
>> Grand prize is a trip for two to an Open Source event anywhere in the world
>> http://moblin-contest.org/redirect.php?banner_id=100&url=/
>> _______________________________________________
>> Rt2400-devel mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/rt2400-devel
>>
>
>
>
On Wednesday 17 December 2008, Ivo Van Doorn wrote:
> Hi,
>
> >> Ralink has provided a new driver for the rt2860 hardware,
> >> I haven't tested it yet but it deserves the attention for one simple reason:
> >> it hooks into mac80211.
> >> It doesn't hook into rt2x00lib yet, and neither does it support everything
> >> mac80211 could do, but it can be used as base for further developing
> >> the rt2800pci drivers by filling the last remaining gaps.
> >>
> >> The driver can be found here:
> >> http://kernel.org/pub/linux/kernel/people/ivd/RT28xx_Linux_mac80211_20081203_V2.0-GPL.tgz
> >>
> >> Mark, Matthias and Felix you offered/provided help with the rt2800 developers
> >> before. I would really appreciate if you could help me with merging this drivers
> >> into the rt2800pci/rt2800usb drivers. :)
> >> (Other developers are off course welcome as well!)
> >>
> >
> > Thanks for doing some of the initial legwork. I have finally managed
> > to get workflow in place and attempt to do some useful work. I can get
> > a reproducible kernel oops by simply doing a 'ifconfig wlan0 up'
> > followed by a 'iwlist wlan0 scanning'. I do plan on digging into this
> > but here is the oops:
> >
> > BUG: unable to handle kernel NULL pointer dereference at 0000001c
> > IP: [<f80e9720>] rt2x00ht_create_tx_descriptor+0x20/0xc0 [rt2x00lib]
>
> I fixed this issue 2 days ago, you might want to update your
> rt2x00.git checkout. :)
For reference:
http://git.kernel.org/?p=linux/kernel/git/ivd/rt2x00.git;a=commitdiff;h=28b51f4f5bc548beeb5477986f7e113d9bbb214a;hp=cdfc186f45ae72b288d4cc128363cd52c95e0aaf
Ivo