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Commit 830f9038 authored by Johannes Berg's avatar Johannes Berg Committed by David S. Miller
Browse files

mac80211: allow driver to ask for a rate control algorithm 



This allows a driver to ask for a specific rate control algorithm.
The rate control algorithm asked for must be registered and be
available as a module or built-in.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 999acd9c

include/net/mac80211.h

+5 −0
Original line number Diff line number Diff line
@@ -706,11 +706,16 @@ enum ieee80211_hw_flags { 
 *

 * @queues: number of available hardware transmit queues for

 *	data packets. WMM/QoS requires at least four.

 *

 * @rate_control_algorithm: rate control algorithm for this hardware.

 *	If unset (NULL), the default algorithm will be used. Must be

 *	set before calling ieee80211_register_hw().

 */

struct ieee80211_hw {

	struct ieee80211_conf conf;

	struct wiphy *wiphy;

	struct workqueue_struct *workqueue;

	const char *rate_control_algorithm;

	void *priv;

	u32 flags;

	unsigned int extra_tx_headroom;

net/mac80211/ieee80211.c

+2 −1
Original line number Diff line number Diff line
@@ -1072,7 +1072,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) 
	ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));

	ieee80211_if_set_type(local->mdev, IEEE80211_IF_TYPE_AP);



	result = ieee80211_init_rate_ctrl_alg(local, NULL);

	result = ieee80211_init_rate_ctrl_alg(local,

					      hw->rate_control_algorithm);

	if (result < 0) {

		printk(KERN_DEBUG "%s: Failed to initialize rate control "

		       "algorithm\n", wiphy_name(local->hw.wiphy));