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

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 <>
Signed-off-by: default avatarJohn W. Linville <>
parent 999acd9c
......@@ -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;
......@@ -1072,7 +1072,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
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,
if (result < 0) {
printk(KERN_DEBUG "%s: Failed to initialize rate control "
"algorithm\n", wiphy_name(local->hw.wiphy));
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