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