I am UjjaL Roy from Namkhana, currently living at Kolkata, West Bengal, India. Writing WiFi driver.


May 2, 2014

Added retry limit support to iw tool

iw: add support to set/get retry limit

Added support to show the retry limit in wiphy details and configure the retry limit in phy also. The patch is accepted by the maintainer of wireless Linux "Johannes Berg <johannes@sipsolutions.net>". The communication can be found in the following links -

http://thread.gmane.org/gmane.linux.kernel.wireless.general/120847
http://markmail.org/message/vgeio6wcqilfxsn5

From now onward the fix can be found in the Linux Kernel tree. You can find the solve by searching google as "Ujjal Roy retry limit".

The patch is now updated to the iw git repository and can be found on the link below -
Kernel git repository link

Jan 9, 2014

Fixed another bug in wext-compat of cfg80211 subsystem

cfg80211: add sanity check for retry limit in wext-compat

Fixed bug in wext-compat of cfg80211 subsystem of 802.11 wireless networking in the Linux Kernel. Avoid sending the wrong retry limit values to the driver. The fix is accepted by the maintainer of wireless Linux "Johannes Berg <johannes@sipsolutions.net>". The patch is now available from Kernel version 3.14. The communication can be found in the following links -

http://thread.gmane.org/gmane.linux.kernel.wireless.general/117841
http://markmail.org/message/wve3jpto23gjvbrg

From now onward the fix can be found in the Linux Kernel tree. You can find the solve by searching google as "Ujjal Roy wext-compat".

The patch is now updated to the Kernel 3.14 tree and can be found on the link below -
https://git.kernel.org/cgit/linux/kernel/git/linville/wireless.git/commit/?id=f5aa0d21dd5ada040ff42b4d40357285e4ace441

Jan 7, 2014

Fixed bug in wext-compat of cfg80211 subsystem in Linux Kernel

cfg80211: fix wext-compat for getting retry value

Fixed bug in wext-compat of cfg80211 subsystem of 802.11 wireless networking in the Linux Kernel. The fix is accepted by the maintainer of wireless Linux "Johannes Berg <johannes@sipsolutions.net>". The patch is now available from Kernel version 3.14. The communication can be found in the following links -

http://thread.gmane.org/gmane.linux.kernel.wireless.general/117665
http://markmail.org/message/5wrlgibnwvgrw5o6

From now onward the fix can be found in the Linux Kernel tree. You can find the solve by searching google as "Ujjal Roy wext-compat".

The patch is now updated to the Kernel 3.14 tree and can be found on the link below -
https://git.kernel.org/cgit/linux/kernel/git/linville/wireless.git/commit/?id=60a4fe0ae97b515f174f9bcb157cbaeff0dab8ac

Dec 16, 2013

Fixed cfg80211 subsystem bug in Linux Kernel

cfg80211: fix WARN_ON for re-association to the expired BSS

Fixed bug in cfg80211 subsystem of 802.11 wireless networking in the Linux Kernel. The fix is accepted by the maintainer of wireless Linux "Johannes Berg <johannes@sipsolutions.net>". The patch is available from the Kernel version 3.13. The communication can be found in the following links -

http://thread.gmane.org/gmane.linux.kernel.wireless.general/116539
http://markmail.org/thread/25weqerbxendnefs

Similar type of problem is also reported by Fedora project and can be found in https://retrace.fedoraproject.org/faf/problems/1349035. My fixes may help those problems.

From now onward the fix can be found in the Linux Kernel tree. You can find the solve by searching google as "Ujjal Roy cfg80211".

The patch is now updated to the Kernel tree and can be found on the link below -
https://git.kernel.org/cgit/linux/kernel/git/linville/wireless.git/commit/?id=4c4d684a55fc01dac6bee696efc56b96d0e6c03a

Nov 18, 2013

Fixed Marvell upstream driver bug (mwifiex driver)

Fixed couple of bugs in the Marvell upstream driver. The name of the driver is mwifiex among the Linux upstream drivers. I have been acknowledged by the Marvell International Ltd by putting my name as one of the developers to the code submitted to Linux kernel tree. From now onward anyone can find me in the Linux Kernel tree. Anyone can find the patches by searching google as "ujjal roy mwifiex". The patches are mentioned and linked below -

mwifiex: fix wrong eth_hdr usage for bridged packets in AP mode
mwifiex: fix issues in driver unload path for USB chipsets

And will continue ...