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mac80211: allow driver to ask for a rate control algorithm

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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: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2007-10-28 14:51:05 +01:00 committed by David S. Miller
parent 999acd9c33
commit 830f903866
2 changed files with 7 additions and 1 deletions
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5
include/net/mac80211.h
View File

@ -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;

3
net/mac80211/ieee80211.c
View File

@ -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));