[PATCH 2/2] mac80211: Remove control.sta from struct ieee80211_tx_info and restructure tx-path

[Luciano Coelho]

On Fri, 2012-07-13 at 20:52 +0200, Thomas Huehn wrote:
> The pointer control.sta is removed from ieee80211_tx_info to free up sufficient
> memory in SKB_CB on the tx-path to enable new annotations per data packet e.g.
> support of upcoming Transmit Power Control (TPC).
> Now the control.sta pointer is put on the stack where it is passed as function
> parameter to the .tx equivalent (ieee80211_ops) of each affected wireless
> driver. Therefore a new structure ieee80211_tx_control is added to mac80211.h
> which holds the sta structure instead.
> 
> The tx-path of all affected drivers is restructured to respect the chaneged
> layout of struct ieee80211_tx_info. List of modified drivers:
> ath9k
> ath5k
> iwl3954
> iwl4965
> iwl-agn
> mwl8k
> carl9170
> ath9k-htc
> p54
> rt2x00
> rtl8180
> rtl8087
> hwsim
> b43
> b43legacy
> brcmsmac
> zd1211rw
> wl1251
> wlcore
> rtlwifi
> libertas_tf
> at76c50x-usb
> adm8211
> 
> Signed-off-by: Thomas Huehn <thomas at net.t-labs.tu-berlin.de>
> Signed-off-by: Alina Friedrichsen <x-alina at gmx.net>
> Signed-off-by: Felix Fietkau <nbd at openwrt.org>
> ---

For the TI drivers part (wl1251/wlcore):

Acked-by: Luciano Coelho <coelho at ti.com>

--
Luca.