ath9k: enable ANI to help with noisy environments

[safe/jmp/linux-2.6] / drivers / net / wireless / ath9k / core.h

diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index 5b4f1c4..cb3e61e 100644 (file)
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -800,6 +800,28 @@ void ath_slow_ant_div(struct ath_antdiv *antdiv,
                      struct ath_rx_status *rx_stats);
 void ath_setdefantenna(void *sc, u32 antenna);
 
+/*******/
+/* ANI */
+/*******/
+
+/* ANI values for STA only.
+   FIXME: Add appropriate values for AP later */
+
+#define ATH_ANI_POLLINTERVAL    100     /* 100 milliseconds between ANI poll */
+#define ATH_SHORT_CALINTERVAL   1000    /* 1 second between calibrations */
+#define ATH_LONG_CALINTERVAL    30000   /* 30 seconds between calibrations */
+#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes between calibrations */
+
+struct ath_ani {
+       bool sc_caldone;
+       int16_t sc_noise_floor;
+       unsigned int sc_longcal_timer;
+       unsigned int sc_shortcal_timer;
+       unsigned int sc_resetcal_timer;
+       unsigned int sc_checkani_timer;
+       struct timer_list timer;
+};
+
 /********************/
 /*   LED Control    */
 /********************/
@@ -1028,6 +1050,9 @@ struct ath_softc {
 
        /* Rfkill */
        struct ath_rfkill rf_kill;
+
+       /* ANI */
+       struct ath_ani sc_ani;
 };
 
 int ath_init(u16 devid, struct ath_softc *sc);