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path: root/drivers/net/wireless/ath/carl9170/cmd.c
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Diffstat (limited to 'drivers/net/wireless/ath/carl9170/cmd.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/cmd.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/carl9170/cmd.c b/drivers/net/wireless/ath/carl9170/cmd.c
index cdfc94c371b4..195dc6538110 100644
--- a/drivers/net/wireless/ath/carl9170/cmd.c
+++ b/drivers/net/wireless/ath/carl9170/cmd.c
@@ -36,6 +36,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#include <asm/div64.h>
#include "carl9170.h"
#include "cmd.h"
@@ -165,6 +166,39 @@ int carl9170_bcn_ctrl(struct ar9170 *ar, const unsigned int vif_id,
return __carl9170_exec_cmd(ar, cmd, true);
}
+int carl9170_collect_tally(struct ar9170 *ar)
+{
+ struct carl9170_tally_rsp tally;
+ struct survey_info *info;
+ unsigned int tick;
+ int err;
+
+ err = carl9170_exec_cmd(ar, CARL9170_CMD_TALLY, 0, NULL,
+ sizeof(tally), (u8 *)&tally);
+ if (err)
+ return err;
+
+ tick = le32_to_cpu(tally.tick);
+ if (tick) {
+ ar->tally.active += le32_to_cpu(tally.active) / tick;
+ ar->tally.cca += le32_to_cpu(tally.cca) / tick;
+ ar->tally.tx_time += le32_to_cpu(tally.tx_time) / tick;
+ ar->tally.rx_total += le32_to_cpu(tally.rx_total);
+ ar->tally.rx_overrun += le32_to_cpu(tally.rx_overrun);
+
+ if (ar->channel) {
+ info = &ar->survey[ar->channel->hw_value];
+ info->channel_time = ar->tally.active;
+ info->channel_time_busy = ar->tally.cca;
+ info->channel_time_tx = ar->tally.tx_time;
+ do_div(info->channel_time, 1000);
+ do_div(info->channel_time_busy, 1000);
+ do_div(info->channel_time_tx, 1000);
+ }
+ }
+ return 0;
+}
+
int carl9170_powersave(struct ar9170 *ar, const bool ps)
{
struct carl9170_cmd *cmd;