diff options
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/cmd.c')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/cmd.c | 34 |
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; |