madwifi: fix division by zero
[openwrt.git] / package / madwifi / patches / 310-noise_get.patch
1 --- a/ath/if_ath.c
2 +++ b/ath/if_ath.c
3 @@ -1699,8 +1699,6 @@ ath_uapsd_processtriggers(struct ath_sof
4 * get to reality. This value is used in monitor mode and by tools like
5 * Wireshark and Kismet.
6 */
7 - ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
8 -
9 ATH_RXBUF_LOCK_IRQ(sc);
10 if (sc->sc_rxbufcur == NULL)
11 sc->sc_rxbufcur = STAILQ_FIRST(&sc->sc_rxbuf);
12 @@ -8975,6 +8973,7 @@ ath_calibrate(unsigned long arg)
13 sc->sc_curchan.channel);
14 sc->sc_stats.ast_per_calfail++;
15 }
16 + ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
17
18 ath_hal_process_noisefloor(ah);
19 if (isIQdone == AH_TRUE) {
20 @@ -9043,6 +9042,7 @@ ath_set_channel(struct ieee80211com *ic)
21 struct ath_softc *sc = dev->priv;
22
23 (void) ath_chan_set(sc, ic->ic_curchan);
24 + ic->ic_channoise = ath_hal_get_channel_noise(sc->sc_ah, &(sc->sc_curchan));
25 /*
26 * If we are returning to our bss channel then mark state
27 * so the next recv'd beacon's TSF will be used to sync the
28 @@ -9311,6 +9311,7 @@ ath_newstate(struct ieee80211vap *vap, e
29 }
30
31 ath_hal_process_noisefloor(ah);
32 + ic->ic_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
33 /*
34 * Reset rssi stats; maybe not the best place...
35 */
36 --- a/net80211/ieee80211_wireless.c
37 +++ b/net80211/ieee80211_wireless.c
38 @@ -4358,6 +4358,7 @@ get_sta_info(void *arg, struct ieee80211
39 si->isi_state = ni->ni_flags;
40 si->isi_authmode = ni->ni_authmode;
41 si->isi_rssi = ic->ic_node_getrssi(ni);
42 + si->isi_noise = ic->ic_channoise;
43 si->isi_capinfo = ni->ni_capinfo;
44 si->isi_athflags = ni->ni_ath_flags;
45 si->isi_erp = ni->ni_erp;
46 --- a/net80211/ieee80211_ioctl.h
47 +++ b/net80211/ieee80211_ioctl.h
48 @@ -311,6 +311,7 @@ struct ieee80211req_sta_info {
49 u_int16_t isi_state; /* state flags */
50 u_int8_t isi_authmode; /* authentication algorithm */
51 u_int8_t isi_rssi;
52 + int8_t isi_noise;
53 u_int16_t isi_capinfo; /* capabilities */
54 u_int8_t isi_athflags; /* Atheros capabilities */
55 u_int8_t isi_erp; /* ERP element */
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