diff options
| author | Xinming Hu <huxm@marvell.com> | 2014-10-31 16:08:27 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-10-31 16:07:49 -0400 |
| commit | 6bc6c49f1e2f3ab1bec05d1c08aad219ab4eb5d0 (patch) | |
| tree | 945bf565bbc5c5d397c8ff13f11ef04d7ecfaf31 /drivers/net/wireless | |
| parent | bf35443314acb43fa8a3f9f8046e14cbe178762b (diff) | |
| download | linux-6bc6c49f1e2f3ab1bec05d1c08aad219ab4eb5d0.tar.bz2 | |
mwifiex: add cfg80211 dump_survey handler
This patch add cfg80211 dump_survey handler for mwifiex.
This handler will be called to report channel statistics
to cfg80211.
This in turn adds ACS support for mwifiex AP.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 80b1a54e7792..b3c763525cc0 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -992,6 +992,52 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, return mwifiex_dump_station_info(priv, sinfo); } +static int +mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, + int idx, struct survey_info *survey) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; + enum ieee80211_band band; + + dev_dbg(priv->adapter->dev, "dump_survey idx=%d\n", idx); + + memset(survey, 0, sizeof(struct survey_info)); + + if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && + priv->media_connected && idx == 0) { + u8 curr_bss_band = priv->curr_bss_params.band; + u32 chan = priv->curr_bss_params.bss_descriptor.channel; + + band = mwifiex_band_to_radio_type(curr_bss_band); + survey->channel = ieee80211_get_channel(wiphy, + ieee80211_channel_to_frequency(chan, band)); + + if (priv->bcn_nf_last) { + survey->filled = SURVEY_INFO_NOISE_DBM; + survey->noise = priv->bcn_nf_last; + } + return 0; + } + + if (idx >= priv->adapter->num_in_chan_stats) + return -ENOENT; + + if (!pchan_stats[idx].cca_scan_dur) + return 0; + + band = pchan_stats[idx].bandcfg; + survey->channel = ieee80211_get_channel(wiphy, + ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); + survey->filled = SURVEY_INFO_NOISE_DBM | + SURVEY_INFO_CHANNEL_TIME | SURVEY_INFO_CHANNEL_TIME_BUSY; + survey->noise = pchan_stats[idx].noise; + survey->channel_time = pchan_stats[idx].cca_scan_dur; + survey->channel_time_busy = pchan_stats[idx].cca_busy_dur; + + return 0; +} + /* Supported rates to be advertised to the cfg80211 */ static struct ieee80211_rate mwifiex_rates[] = { {.bitrate = 10, .hw_value = 2, }, @@ -2779,6 +2825,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = { .disconnect = mwifiex_cfg80211_disconnect, .get_station = mwifiex_cfg80211_get_station, .dump_station = mwifiex_cfg80211_dump_station, + .dump_survey = mwifiex_cfg80211_dump_survey, .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, .join_ibss = mwifiex_cfg80211_join_ibss, .leave_ibss = mwifiex_cfg80211_leave_ibss, |