History log of /freebsd-11-stable/sys/net80211/ieee80211_dfs.c
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# 343894 08-Feb-2019 avos

MFC r343683:
Do not acquire IEEE80211_LOCK twice in cac_timeout(); reuse
locked function instead.

It is externally visible since r257065.


# 302408 07-Jul-2016 gjb

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation


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# 297405 29-Mar-2016 adrian

[net80211] migrate the time_* macros to ieee80211_* namespace.

It turns out that these will clash very annoyingly with the linux
macros in the linuxkpi layer, so let the wookie^Wlinux win.

The only user that I can find is ath(4), so fix it there too.


# 283529 25-May-2015 glebius

Use name from ieee80211com instead of parent ifnet, in debugging printfs.

Sponsored by: Netflix
Sponsored by: Nginx, Inc.


# 257241 28-Oct-2013 glebius

Include necessary headers that now are available due to pollution
via if_var.h.

Sponsored by: Netflix
Sponsored by: Nginx, Inc.


# 257176 26-Oct-2013 glebius

The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare
to this event, adding if_var.h to files that do need it. Also, include
all includes that now are included due to implicit pollution via if_var.h

Sponsored by: Netflix
Sponsored by: Nginx, Inc.


# 230793 30-Jan-2012 adrian

Add a DFS debugging mode which is useful when doing automated DFS
compliance testing.

In order to allow for radar pattern matching to occur, the DFS CAC/NOL
handling needs to be made configurable. This commit introduces a new
sysctl, "net.wlan.dfs_debug", which controls which DFS debug mode
net80211 is in.

* 0 = default, CSA/NOL handling as per normal.
* 1 = announce a CSA, but don't add the channel to the non-occupy list
(NOL.)
* 2 = disable both CSA and NOL - only print that a radar event occured.

This code is not compiled/enabled by default as it breaks regulatory
handling. A user must enable IEEE80211_DFS_DEBUG in their kernel
configuration file for this option to become available.

Obtained from: Atheros


# 227331 08-Nov-2011 adrian

Add 802.11h quiet time element support into net80211.

This supports both station and hostap modes:

* Station mode quiet time element support listens to quiet time
IE's and modifies the local quiet time configuration as appropriate;
* Hostap mode both obeys the locally configured quiet time period
and includes it in beacon frames so stations also can obey as needed.

Submitted by: Himali Patel <himali.patel@sibridgetech.com>
Sponsored by: Sibridge Technologies


# 227293 07-Nov-2011 ed

Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs.

This means that their use is restricted to a single C file.


# 223583 27-Jun-2011 adrian

Print out a big warning if DFS can't find a channel to use.
This way people debugging DFS won't be surprised when their
AP stops talking.


# 196785 03-Sep-2009 sam

correct timeout for doing NOL processing; need a ticks-relative value

Obtained from: Marvell
MFC after: 3 days


# 193844 09-Jun-2009 sam

protect callouts with the com lock

Prodded by: jhb


# 193666 07-Jun-2009 sam

prefer callout_schedule


# 193115 30-May-2009 sam

distribute sysctl decls so global variables can be made static


# 181193 02-Aug-2008 sam

schedule the correct timer when receiving a radar event during CAC


# 178354 20-Apr-2008 sam

Multi-bss (aka vap) support for 802.11 devices.

Note this includes changes to all drivers and moves some device firmware
loading to use firmware(9) and a separate module (e.g. ral). Also there
no longer are separate wlan_scan* modules; this functionality is now
bundled into the wlan module.

Supported by: Hobnob and Marvell
Reviewed by: many
Obtained from: Atheros (some bits)