nl80211: Add BSS parameters to station
This allows user-space monitoring of BSS parameters for the associated
station. This is useful for debugging and verifying that the paramaters
are as expected.
[Exactly the same as before but bundled into a single message]
Signed-off-by: Paul Stewart <pstew@chromium.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 3342135..bf5d28d 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -342,7 +342,8 @@
STATION_INFO_TX_FAILED |
STATION_INFO_TX_BITRATE |
STATION_INFO_RX_BITRATE |
- STATION_INFO_RX_DROP_MISC;
+ STATION_INFO_RX_DROP_MISC |
+ STATION_INFO_BSS_PARAM;
sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
sinfo->rx_bytes = sta->rx_bytes;
@@ -389,6 +390,16 @@
sinfo->plink_state = sta->plink_state;
#endif
}
+
+ sinfo->bss_param.flags = 0;
+ if (sdata->vif.bss_conf.use_cts_prot)
+ sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
+ if (sdata->vif.bss_conf.use_short_preamble)
+ sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
+ if (sdata->vif.bss_conf.use_short_slot)
+ sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
+ sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
+ sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 40c90fb..297d7ce 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2002,7 +2002,7 @@
const u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
- struct nlattr *sinfoattr;
+ struct nlattr *sinfoattr, *bss_param;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
if (!hdr)
@@ -2062,6 +2062,25 @@
if (sinfo->filled & STATION_INFO_TX_FAILED)
NLA_PUT_U32(msg, NL80211_STA_INFO_TX_FAILED,
sinfo->tx_failed);
+ if (sinfo->filled & STATION_INFO_BSS_PARAM) {
+ bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
+ if (!bss_param)
+ goto nla_put_failure;
+
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT)
+ NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_CTS_PROT);
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE)
+ NLA_PUT_FLAG(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE);
+ if (sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME)
+ NLA_PUT_FLAG(msg,
+ NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME);
+ NLA_PUT_U8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
+ sinfo->bss_param.dtim_period);
+ NLA_PUT_U16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
+ sinfo->bss_param.beacon_interval);
+
+ nla_nest_end(msg, bss_param);
+ }
nla_nest_end(msg, sinfoattr);
return genlmsg_end(msg, hdr);