60 lines
1.7 KiB
Diff
60 lines
1.7 KiB
Diff
--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -10473,11 +10473,11 @@ set_node_txpower(void *arg, struct ieee8
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* XXX: this function needs some locking to avoid being called
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* twice/interrupted. Returns the value actually stored. */
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static u_int32_t
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-ath_set_clamped_maxtxpower(struct ath_softc *sc,
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- u_int32_t new_clamped_maxtxpower)
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+ath_set_clamped_maxtxpower(struct ath_softc *sc, u_int32_t new_txpwr)
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{
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- new_clamped_maxtxpower -= sc->sc_poweroffset;
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- (void)ath_hal_settxpowlimit(sc->sc_ah, new_clamped_maxtxpower);
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+ new_txpwr = ((new_txpwr < sc->sc_poweroffset) ? 0 :
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+ new_txpwr - sc->sc_poweroffset);
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+ (void)ath_hal_settxpowlimit(sc->sc_ah, new_txpwr);
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return ath_get_clamped_maxtxpower(sc);
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}
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@@ -11028,6 +11028,7 @@ enum {
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ATH_DEBUG,
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ATH_TXANTENNA,
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ATH_RXANTENNA,
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+ ATH_POWEROFFSET,
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ATH_DIVERSITY,
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ATH_TXINTRPERIOD,
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ATH_FFTXQMIN,
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@@ -11308,6 +11309,9 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
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ath_debug_global = (val & ATH_DEBUG_GLOBAL);
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#endif
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break;
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+ case ATH_POWEROFFSET:
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+ sc->sc_poweroffset = val;
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+ break;
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case ATH_TXANTENNA:
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/*
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* antenna can be:
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@@ -11475,6 +11479,9 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
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case ATH_DEBUG:
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val = sc->sc_debug | ath_debug_global;
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break;
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+ case ATH_POWEROFFSET:
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+ val = sc->sc_poweroffset;
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+ break;
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case ATH_TXANTENNA:
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val = sc->sc_txantenna;
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break;
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@@ -11616,6 +11623,12 @@ static const ctl_table ath_sysctl_templa
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},
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#endif
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{ .ctl_name = CTL_AUTO,
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+ .procname = "poweroffset",
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+ .mode = 0644,
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+ .proc_handler = ath_sysctl_halparam,
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+ .extra2 = (void *)ATH_POWEROFFSET,
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+ },
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+ { .ctl_name = CTL_AUTO,
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.procname = "txantenna",
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.mode = 0644,
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.proc_handler = ath_sysctl_halparam,
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