[B.A.T.M.A.N.] [PATCHv3 2/4] cfg80211: export expected throughput via nl80211 (GET_STATION)

Antonio Quartulli
2014-05-17T16:41:44Z

Send the expected throughput when replying to a GET_STATION
command via nl80211.

Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
---
include/uapi/linux/nl80211.h | 3 +++
net/wireless/nl80211.c | 4 ++++
2 files changed, 7 insertions(+)

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 0cfa827..2964948 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2199,6 +2199,8 @@ enum nl80211_sta_bss_param {
* Contains a nested array of signal strength attributes (u8, dBm)
* @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
* Same format as NL80211_STA_INFO_CHAIN_SIGNAL.
+ * @NL80211_STA_EXPECTED_THROUGHPUT: expected throughput (considering also the
+ * 802.11 header) expressed in kbps
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
@@ -2230,6 +2232,7 @@ enum nl80211_sta_info {
NL80211_STA_INFO_TX_BYTES64,
NL80211_STA_INFO_CHAIN_SIGNAL,
NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
+ NL80211_STA_INFO_EXPECTED_THROUGHPUT,

/* keep last */
__NL80211_STA_INFO_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ca19b15..9631648 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3650,6 +3650,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
sinfo->tx_failed))
goto nla_put_failure;
+ if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) &&
+ nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT,
+ sinfo->expected_throughput))
+ goto nla_put_failure;
if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
sinfo->beacon_loss_count))
--
1.8.5.5