| 1 | --- a/ath/if_ath.c |
| 2 | +++ b/ath/if_ath.c |
| 3 | @@ -2996,6 +2996,19 @@ ath_fetch_idle_time(struct ath_softc *sc |
| 4 | #undef AR5K_RXCLEAR |
| 5 | #undef AR5K_CYCLES |
| 6 | |
| 7 | +static void |
| 8 | +ath_set_silent(struct ath_softc *sc) |
| 9 | +{ |
| 10 | + struct ath_hal *ah = sc->sc_ah; |
| 11 | + |
| 12 | + if (!sc->sc_silent) |
| 13 | + return; |
| 14 | + |
| 15 | + del_timer_sync(&sc->sc_bcntimer); |
| 16 | + ath_hal_intrset(ah, 0); |
| 17 | + OS_REG_WRITE(ah, 0x8048, 0x60); /* set tx loopback and rx disable */ |
| 18 | +} |
| 19 | + |
| 20 | /* |
| 21 | * Reset the hardware w/o losing operational state. This is |
| 22 | * basically a more efficient way of doing ath_stop, ath_init, |
| 23 | @@ -3073,6 +3086,7 @@ ath_reset(struct net_device *dev) |
| 24 | ath_grppoll_start(vap, sc->sc_xrpollcount); |
| 25 | } |
| 26 | #endif |
| 27 | + ath_set_silent(sc); |
| 28 | return 0; |
| 29 | } |
| 30 | |
| 31 | @@ -10972,6 +10986,7 @@ enum { |
| 32 | * mirrored in /proc/sys. |
| 33 | */ |
| 34 | enum { |
| 35 | + ATH_SILENT, |
| 36 | ATH_SLOTTIME, |
| 37 | ATH_ACKTIMEOUT, |
| 38 | ATH_CTSTIMEOUT, |
| 39 | @@ -11294,6 +11309,13 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl |
| 40 | sc->sc_ctstimeconf = 0; |
| 41 | ath_set_timing(sc); |
| 42 | break; |
| 43 | + case ATH_SILENT: |
| 44 | + sc->sc_silent = !!val; |
| 45 | + if (val) |
| 46 | + ath_set_silent(sc); |
| 47 | + else |
| 48 | + ath_reset(sc->sc_dev); |
| 49 | + break; |
| 50 | case ATH_DISTANCE: |
| 51 | if (val > 0) { |
| 52 | sc->sc_coverage = ((val - 1) / 300) + 1; |
| 53 | @@ -11477,6 +11499,9 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl |
| 54 | case ATH_CTSTIMEOUT: |
| 55 | val = ath_hal_getctstimeout(ah); |
| 56 | break; |
| 57 | + case ATH_SILENT: |
| 58 | + val = sc->sc_silent; |
| 59 | + break; |
| 60 | case ATH_SOFTLED: |
| 61 | val = sc->sc_softled; |
| 62 | break; |
| 63 | @@ -11598,6 +11623,12 @@ static const ctl_table ath_sysctl_templa |
| 64 | .extra2 = (void *)ATH_DISTANCE, |
| 65 | }, |
| 66 | { .ctl_name = CTL_AUTO, |
| 67 | + .procname = "silent", |
| 68 | + .mode = 0644, |
| 69 | + .proc_handler = ath_sysctl_halparam, |
| 70 | + .extra2 = (void *)ATH_SILENT, |
| 71 | + }, |
| 72 | + { .ctl_name = CTL_AUTO, |
| 73 | .procname = "softled", |
| 74 | .mode = 0644, |
| 75 | .proc_handler = ath_sysctl_halparam, |
| 76 | --- a/ath/if_athvar.h |
| 77 | +++ b/ath/if_athvar.h |
| 78 | @@ -737,6 +737,7 @@ struct ath_softc { |
| 79 | * 'channel availability check' indefinately, |
| 80 | * reporting radar and interference detections. |
| 81 | */ |
| 82 | + unsigned int sc_silent:1; /* Turn RF silent */ |
| 83 | unsigned int sc_txcont_power; /* Continuous transmit power in 0.5dBm units */ |
| 84 | unsigned int sc_txcont_rate; /* Continuous transmit rate in Mbps */ |
| 85 | |
| 86 | |
