wl1251: Add acx command to set tbtt and dtim period
authorVidhya Govindan <vidhya.govindan@nokia.com>
Tue, 17 Nov 2009 16:49:08 +0000 (18:49 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 18 Nov 2009 22:09:21 +0000 (17:09 -0500)
The dtim period obtained from the mac80211 is not set to the firmware.
This patch implements the acx command to set correct tbtt and dtim value
to the firmware.

Signed-off-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/wl12xx/wl1251_acx.c
drivers/net/wireless/wl12xx/wl1251_acx.h

index 50633e043cfda37f57d76ef86d435107c6a6af45..acfa086dbfc5787d673b6e75ac2883dada80fc63 100644 (file)
@@ -948,3 +948,31 @@ out:
        kfree(mem_conf);
        return ret;
 }
+
+int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim)
+{
+       struct wl1251_acx_wr_tbtt_and_dtim *acx;
+       int ret;
+
+       wl1251_debug(DEBUG_ACX, "acx tbtt and dtim");
+
+       acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+       if (!acx) {
+               ret = -ENOMEM;
+               goto out;
+       }
+
+       acx->tbtt = tbtt;
+       acx->dtim = dtim;
+
+       ret = wl1251_cmd_configure(wl, ACX_WR_TBTT_AND_DTIM,
+                                  acx, sizeof(*acx));
+       if (ret < 0) {
+               wl1251_warning("failed to set tbtt and dtim: %d", ret);
+               goto out;
+       }
+
+out:
+       kfree(acx);
+       return ret;
+}
index ce1c995e08d82393ee4c87944169cdaf9babc625..44a4b049459207ea5be6c0dfe26252aa11967ba5 100644 (file)
@@ -1149,6 +1149,23 @@ struct wl1251_acx_mem_map {
        u32 num_rx_mem_blocks;
 } __attribute__ ((packed));
 
+
+struct wl1251_acx_wr_tbtt_and_dtim {
+
+       struct acx_header header;
+
+       /* Time in TUs between two consecutive beacons */
+       u16 tbtt;
+
+       /*
+        * DTIM period
+        * For BSS: Number of TBTTs in a DTIM period (range: 1-10)
+        * For IBSS: value shall be set to 1
+       */
+       u8  dtim;
+       u8  padding;
+} __attribute__ ((packed));
+
 /*************************************************************************
 
     Host Interrupt Register (WiLink -> Host)
@@ -1304,5 +1321,6 @@ int wl1251_acx_statistics(struct wl1251 *wl, struct acx_statistics *stats);
 int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime);
 int wl1251_acx_rate_policies(struct wl1251 *wl);
 int wl1251_acx_mem_cfg(struct wl1251 *wl);
+int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim);
 
 #endif /* __WL1251_ACX_H__ */