Bug 243514 - mac80211 does not support set bit rate ioctl
mac80211 does not support set bit rate ioctl
Status: CLOSED CURRENTRELEASE
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
7
i686 Linux
low Severity low
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Assigned To: John W. Linville
Brian Brock
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2007-06-09 06:25 EDT by Casual J. Programmer
Modified: 2007-11-30 17:12 EST (History)
3 users (show)

See Also:
Fixed In Version: 2.6.22.2-57.fc7
Doc Type: Bug Fix
Doc Text:
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Clone Of:
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Last Closed: 2007-08-21 14:45:35 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Casual J. Programmer 2007-06-09 06:25:40 EDT
After setting up an Intel ipw3945 with f7 on ifup wlan0 the following message is
issued:

[root@workstation6l cjp]# ifup wlan0
Error for wireless request "Set Bit Rate" (8B20) :
    SET failed on device wlan0 ; Operation not supported.

Determining IP information for wlan0... done.

issuing iwpriv wlan0 shows:

[root@workstation6l cjp]# iwpriv wlan0
wlan0     Available private ioctls :
          param            (8BE0) : set   2 int   & get   0      
          get_param        (8BE1) : set   1 int   & get   1 int  

"Bit Rate" is not listed as an available option.

Kernel is: 2.6.21-1.3194.fc7 #1 SMP 

How reproducible: start network interface wlan0

Steps to Reproduce:
1. ifdown wlan0
2. ifup wlan0
  
Actual results: Error for wireless request "Set Bit Rate" (8B20) :
                SET failed on device wlan0 ; Operation not supported.

Expected results: No error
Comment 1 John W. Linville 2007-06-13 11:49:46 EDT
iwlwifi uses mac80211, mac80211 does not implement the set bit rate ioctl.  
One of the upstream wireless developers is actively working on this right now.

In the mean time, the message you see can be safely ignored.  BTW, iwpriv is 
not the right command for that anyway -- "iwconfig wlan0 rate".
Comment 2 Casual J. Programmer 2007-06-14 12:30:12 EDT
Good to know, somebody out there ought to know that iwpriv is not the correct
way. Because 

root@workstation6l cjp]# ifup wlan0
Error for wireless request "Set Bit Rate" (8B20) :
    SET failed on device wlan0 ; Operation not supported.

happens when ifup is issued, not while I issue iwpriv :-(
Comment 3 John W. Linville 2007-07-16 17:06:59 EDT
Does this problem persist w/ current rawhide kernels (e.g. 
kernel-2.6.23-0.29.rc0.git6.fc8 or later)?
Comment 4 John W. Linville 2007-08-21 14:45:35 EDT
This ioctl is supported now.

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