static LIST_HEAD(rate_ctrl_algs);
static DEFINE_MUTEX(rate_ctrl_mutex);
+static char *ieee80211_default_rc_algo = CONFIG_MAC80211_RC_DEFAULT;
+module_param(ieee80211_default_rc_algo, charp, 0644);
+MODULE_PARM_DESC(ieee80211_default_rc_algo,
+ "Default rate control algorithm for mac80211 to use");
+
int ieee80211_rate_control_register(struct rate_control_ops *ops)
{
struct rate_control_alg *alg;
return ops;
}
-/* Get the rate control algorithm. If `name' is NULL, get the first
- * available algorithm. */
+/* Get the rate control algorithm. */
static struct rate_control_ops *
ieee80211_rate_control_ops_get(const char *name)
{
struct rate_control_ops *ops;
+ const char *alg_name;
if (!name)
- name = "simple";
+ alg_name = ieee80211_default_rc_algo;
+ else
+ alg_name = name;
- ops = ieee80211_try_rate_control_ops_get(name);
+ ops = ieee80211_try_rate_control_ops_get(alg_name);
if (!ops) {
- request_module("rc80211_%s", name);
- ops = ieee80211_try_rate_control_ops_get(name);
+ request_module("rc80211_%s", alg_name);
+ ops = ieee80211_try_rate_control_ops_get(alg_name);
}
+ if (!ops && name)
+ /* try default if specific alg requested but not found */
+ ops = ieee80211_try_rate_control_ops_get(ieee80211_default_rc_algo);
+
+ /* try built-in one if specific alg requested but not found */
+ if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT))
+ ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT);
+
return ops;
}
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct rate_control_ref *ref = local->rate_ctrl;
- struct ieee80211_sub_if_data *sdata;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct sta_info *sta = sta_info_get(local, hdr->addr1);
int i;
- u16 fc;
memset(sel, 0, sizeof(struct rate_selection));
- /* Send management frames and broadcast/multicast data using lowest
- * rate. */
- fc = le16_to_cpu(hdr->frame_control);
- if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
- is_multicast_ether_addr(hdr->addr1))
- sel->rate = rate_lowest(local, mode, sta);
-
- /* If a forced rate is in effect, select it. */
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
- sel->rate = &mode->rates[sdata->bss->force_unicast_rateidx];
-
- /* If we haven't found the rate yet, ask the rate control algo. */
- if (!sel->rate)
- ref->ops->get_rate(ref->priv, dev, mode, skb, sel);
+ ref->ops->get_rate(ref->priv, dev, mode, skb, sel);
/* Select a non-ERP backup rate. */
if (!sel->nonerp) {
local->rate_ctrl = NULL;
rate_control_put(ref);
}
+