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authorFelix Fietkau <nbd@openwrt.org>2010-01-29 02:34:52 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-01-29 02:34:52 +0000
commitb935b1abe2161ea95966aa6b89fffde0b593918e (patch)
tree38a9f0cd742f30883d301d918d55622e2de9697d /package
parenta254a9ff0841eb342061b5faedd605a84c91c317 (diff)
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madwifi: add sysctl for turning the radio silent
SVN-Revision: 19376
Diffstat (limited to 'package')
-rw-r--r--package/madwifi/patches/456-rfsilent.patch85
1 files changed, 85 insertions, 0 deletions
diff --git a/package/madwifi/patches/456-rfsilent.patch b/package/madwifi/patches/456-rfsilent.patch
new file mode 100644
index 0000000000..21031e7ca2
--- /dev/null
+++ b/package/madwifi/patches/456-rfsilent.patch
@@ -0,0 +1,85 @@
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -2996,6 +2996,19 @@ ath_fetch_idle_time(struct ath_softc *sc
+ #undef AR5K_RXCLEAR
+ #undef AR5K_CYCLES
+
++static void
++ath_set_silent(struct ath_softc *sc)
++{
++ struct ath_hal *ah = sc->sc_ah;
++
++ if (!sc->sc_silent)
++ return;
++
++ del_timer_sync(&sc->sc_bcntimer);
++ ath_hal_intrset(ah, 0);
++ OS_REG_WRITE(ah, 0x8048, 0x60); /* set tx loopback and rx disable */
++}
++
+ /*
+ * Reset the hardware w/o losing operational state. This is
+ * basically a more efficient way of doing ath_stop, ath_init,
+@@ -3073,6 +3086,7 @@ ath_reset(struct net_device *dev)
+ ath_grppoll_start(vap, sc->sc_xrpollcount);
+ }
+ #endif
++ ath_set_silent(sc);
+ return 0;
+ }
+
+@@ -10972,6 +10986,7 @@ enum {
+ * mirrored in /proc/sys.
+ */
+ enum {
++ ATH_SILENT,
+ ATH_SLOTTIME,
+ ATH_ACKTIMEOUT,
+ ATH_CTSTIMEOUT,
+@@ -11294,6 +11309,13 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
+ sc->sc_ctstimeconf = 0;
+ ath_set_timing(sc);
+ break;
++ case ATH_SILENT:
++ sc->sc_silent = !!val;
++ if (val)
++ ath_set_silent(sc);
++ else
++ ath_reset(sc->sc_dev);
++ break;
+ case ATH_DISTANCE:
+ if (val > 0) {
+ sc->sc_coverage = ((val - 1) / 300) + 1;
+@@ -11477,6 +11499,9 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
+ case ATH_CTSTIMEOUT:
+ val = ath_hal_getctstimeout(ah);
+ break;
++ case ATH_SILENT:
++ val = sc->sc_silent;
++ break;
+ case ATH_SOFTLED:
+ val = sc->sc_softled;
+ break;
+@@ -11598,6 +11623,12 @@ static const ctl_table ath_sysctl_templa
+ .extra2 = (void *)ATH_DISTANCE,
+ },
+ { .ctl_name = CTL_AUTO,
++ .procname = "silent",
++ .mode = 0644,
++ .proc_handler = ath_sysctl_halparam,
++ .extra2 = (void *)ATH_SILENT,
++ },
++ { .ctl_name = CTL_AUTO,
+ .procname = "softled",
+ .mode = 0644,
+ .proc_handler = ath_sysctl_halparam,
+--- a/ath/if_athvar.h
++++ b/ath/if_athvar.h
+@@ -737,6 +737,7 @@ struct ath_softc {
+ * 'channel availability check' indefinately,
+ * reporting radar and interference detections.
+ */
++ unsigned int sc_silent:1; /* Turn RF silent */
+ unsigned int sc_txcont_power; /* Continuous transmit power in 0.5dBm units */
+ unsigned int sc_txcont_rate; /* Continuous transmit rate in Mbps */
+