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--- a/ath_rate/minstrel/minstrel.c
+++ b/ath_rate/minstrel/minstrel.c
@@ -119,6 +119,7 @@
#include "minstrel.h"
#define ONE_SECOND (1000 * 1000) /* 1 second, or 1000 milliseconds; eternity, in other words */
+#define TIMER_INTERVAL 100 /* msecs */
#include "release.h"
@@ -128,9 +129,6 @@ static char *dev_info = "ath_rate_minstr
#define STALE_FAILURE_TIMEOUT_MS 10000
#define ENABLE_MRR 1
-static int ath_timer_interval = (1000 / 10); /* every 1/10 second, timer runs */
-static void ath_timer_function(unsigned long data);
-
/* 10% of the time, send a packet at something other than the optimal rate, which fills
* the statistics tables nicely. This percentage is applied to the first packet of the
* multi rate retry chain. */
@@ -142,7 +140,7 @@ static void ath_rate_ctl_reset(struct at
/* Calculate the throughput and probability of success for each node
* we are talking on, based on the statistics collected during the
* last timer period. */
-static void ath_rate_statistics(void *arg, struct ieee80211_node *ni);
+static void ath_rate_statistics(struct ieee80211_node *ni);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52))
@@ -204,6 +202,11 @@ ath_rate_findrate(struct ath_softc *sc,
unsigned int ndx, offset;
int mrr;
+
+ if (abs(jiffies - sn->last_update) > msecs_to_jiffies(TIMER_INTERVAL)) {
+ ath_rate_statistics(&an->an_node);
+ sn->last_update = jiffies;
+ }
if (sn->num_rates <= 0) {
printk(KERN_WARNING "%s: no rates for " MAC_FMT "?\n",
dev_info,
@@ -640,54 +643,11 @@ ath_rate_newstate(struct ieee80211vap *v
}
}
-static void
-ath_timer_function(unsigned long data)
-{
- struct minstrel_softc *ssc = (struct minstrel_softc *) data;
- struct ath_softc *sc = ssc->sc;
- struct ieee80211com *ic;
- struct net_device *dev = ssc->sc_dev;
- struct timer_list *timer;
- unsigned int interval = ath_timer_interval;
-
- if (dev == NULL)
- DPRINTF(sc, ATH_DEBUG_RATE, "%s: 'dev' is null in this timer \n", __func__);
-
- if (sc == NULL)
- DPRINTF(sc, ATH_DEBUG_RATE, "%s: 'sc' is null in this timer\n", __func__);
-
- ic = &sc->sc_ic;
-
- if (ssc->close_timer_now)
- return;
-
- if (dev->flags & IFF_RUNNING) {
- sc->sc_stats.ast_rate_calls++;
-
- if (ic->ic_opmode == IEEE80211_M_STA) {
- struct ieee80211vap *tmpvap;
- TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
- ath_rate_statistics(sc, tmpvap->iv_bss);/* NB: no reference */
- }
- } else
- ieee80211_iterate_nodes(&ic->ic_sta, ath_rate_statistics, sc);
- }
-
- if (ic->ic_opmode == IEEE80211_M_STA)
- interval = ath_timer_interval >> 1;
-
- timer = &(ssc->timer);
- if (timer == NULL)
- DPRINTF(sc, ATH_DEBUG_RATE, "%s: timer is null - leave it\n", __func__);
-
- timer->expires = jiffies + ((HZ * interval) / 1000);
- add_timer(timer);
-}
static void
-ath_rate_statistics(void *arg, struct ieee80211_node *ni)
+ath_rate_statistics(struct ieee80211_node *ni)
{
- struct ath_node *an = (struct ath_node *) ni;
+ struct ath_node *an = ATH_NODE(ni);
struct ieee80211_rateset *rs = &ni->ni_rates;
struct minstrel_node *rn = ATH_NODE_MINSTREL(an);
unsigned int i;
@@ -786,15 +746,8 @@ ath_rate_attach(struct ath_softc *sc)
osc->arc.arc_space = sizeof(struct minstrel_node);
osc->arc.arc_vap_space = 0;
- osc->close_timer_now = 0;
- init_timer(&osc->timer);
osc->sc = sc;
osc->sc_dev = sc->sc_dev;
- osc->timer.function = ath_timer_function;
- osc->timer.data = (unsigned long)osc;
-
- osc->timer.expires = jiffies + HZ;
- add_timer(&osc->timer);
return &osc->arc;
}
@@ -803,8 +756,6 @@ static void
ath_rate_detach(struct ath_ratectrl *arc)
{
struct minstrel_softc *osc = (struct minstrel_softc *) arc;
- osc->close_timer_now = 1;
- del_timer(&osc->timer);
kfree(osc);
_MOD_DEC_USE(THIS_MODULE);
}
--- a/ath_rate/minstrel/minstrel.h
+++ b/ath_rate/minstrel/minstrel.h
@@ -167,6 +167,8 @@ struct minstrel_node {
packet, or a packet at an optimal rate.*/
int random_n;
int a, b; /**Coefficients of the random thing */
+
+ unsigned long last_update;
};
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