From ad8cd27cac7193d938a42d292b1f1f790f35f74b Mon Sep 17 00:00:00 2001 From: nbd Date: Sat, 27 Oct 2007 17:51:52 +0000 Subject: [PATCH] madwifi: don't poll the channel noise in a performance critical path git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9454 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/madwifi/patches/310-noise_get.patch | 44 +++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 package/madwifi/patches/310-noise_get.patch diff --git a/package/madwifi/patches/310-noise_get.patch b/package/madwifi/patches/310-noise_get.patch new file mode 100644 index 000000000..2dcfe3509 --- /dev/null +++ b/package/madwifi/patches/310-noise_get.patch @@ -0,0 +1,44 @@ +Index: madwifi-ng-r2756-20071018/ath/if_ath.c +=================================================================== +--- madwifi-ng-r2756-20071018.orig/ath/if_ath.c 2007-10-27 19:20:14.495461544 +0200 ++++ madwifi-ng-r2756-20071018/ath/if_ath.c 2007-10-27 19:22:02.865637202 +0200 +@@ -1417,7 +1417,6 @@ + * Wireshark and Kismet. + */ + hw_tsf = ath_hal_gettsf64(ah); +- ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan)); + + ATH_RXBUF_LOCK_IRQ(sc); + if (sc->sc_rxbufcur == NULL) +@@ -8174,6 +8173,7 @@ + struct net_device *dev = (struct net_device *) arg; + struct ath_softc *sc = dev->priv; + struct ath_hal *ah = sc->sc_ah; ++ struct ieee80211com *ic = &sc->sc_ic; + /* u_int32_t nchans; */ + HAL_BOOL isIQdone = AH_FALSE; + +@@ -8202,6 +8202,7 @@ + ath_calinterval = ATH_LONG_CALINTERVAL; + else + ath_calinterval = ATH_SHORT_CALINTERVAL; ++ ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan)); + + sc->sc_cal_ch.expires = jiffies + (ath_calinterval * HZ); + add_timer(&sc->sc_cal_ch); +@@ -8252,6 +8253,7 @@ + struct ath_softc *sc = dev->priv; + + (void) ath_chan_set(sc, ic->ic_curchan); ++ ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan)); + /* + * If we are returning to our bss channel then mark state + * so the next recv'd beacon's TSF will be used to sync the +@@ -8466,6 +8468,7 @@ + } + + ath_hal_process_noisefloor(ah); ++ ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan)); + /* + * Configure the beacon and sleep timers. + */ -- 2.35.1