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mwl8k: add get_survey callback in order to get channel noise

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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
This commit is contained in:
John W. Linville 2010-07-28 14:04:24 -04:00
parent 4c85ab11ca
commit 0d462bbb0e
1 changed files with 27 additions and 4 deletions
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31
drivers/net/wireless/mwl8k.c
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@ -86,7 +86,7 @@ struct rxd_ops {
void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr);
void (*rxd_refill)(void *rxd, dma_addr_t addr, int len);
int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status,
__le16 *qos);
__le16 *qos, s8 *noise);
};
struct mwl8k_device_info {
@ -207,6 +207,9 @@ struct mwl8k_priv {
/* Tasklet to perform RX. */
struct tasklet_struct poll_rx_task;
/* Most recently reported noise in dBm */
s8 noise;
};
/* Per interface specific private data */
@ -741,7 +744,7 @@ static void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len)
static int
mwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status,
__le16 *qos)
__le16 *qos, s8 *noise)
{
struct mwl8k_rxd_8366_ap *rxd = _rxd;
@ -752,6 +755,7 @@ mwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status,
memset(status, 0, sizeof(*status));
status->signal = -rxd->rssi;
*noise = -rxd->noise_floor;
if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) {
status->flag |= RX_FLAG_HT;
@ -839,7 +843,7 @@ static void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len)
static int
mwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status,
__le16 *qos)
__le16 *qos, s8 *noise)
{
struct mwl8k_rxd_sta *rxd = _rxd;
u16 rate_info;
@ -853,6 +857,7 @@ mwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status,
memset(status, 0, sizeof(*status));
status->signal = -rxd->rssi;
*noise = -rxd->noise_level;
status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info);
status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info);
@ -1053,7 +1058,8 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size);
pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos);
pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos,
&priv->noise);
if (pkt_len < 0)
break;
@ -3755,6 +3761,22 @@ static int mwl8k_get_stats(struct ieee80211_hw *hw,
return mwl8k_cmd_get_stat(hw, stats);
}
static int mwl8k_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey)
{
struct mwl8k_priv *priv = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
if (idx != 0)
return -ENOENT;
survey->channel = conf->channel;
survey->filled = SURVEY_INFO_NOISE_DBM;
survey->noise = priv->noise;
return 0;
}
static int
mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
@ -3786,6 +3808,7 @@ static const struct ieee80211_ops mwl8k_ops = {
.sta_remove = mwl8k_sta_remove,
.conf_tx = mwl8k_conf_tx,
.get_stats = mwl8k_get_stats,
.get_survey = mwl8k_get_survey,
.ampdu_action = mwl8k_ampdu_action,
};