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cfg80211: Add airtime statistics and settings

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This adds TX airtime statistics to the cfg80211 station dump (to go along
with the RX info already present), and adds a new parameter to set the
airtime weight of each station. The latter allows userspace to implement
policies for different stations by varying their weights.

Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
[rmanohar@codeaurora.org: fixed checkpatch warnings]
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
[move airtime weight != 0 check into policy]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Toke Høiland-Jørgensen
2018-12-18 17:02:07 -08:00
committed by Johannes Berg
parent 1866760096
commit 36647055b3
3 changed files with 49 additions and 1 deletions
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24
net/wireless/nl80211.c
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@@ -557,6 +557,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_PEER_MEASUREMENTS] =
NLA_POLICY_NESTED(NL80211_PMSR_FTM_REQ_ATTR_MAX,
nl80211_pmsr_attr_policy),
[NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1),
};
/* policy for the key attributes */
@@ -4851,6 +4852,11 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid,
PUT_SINFO(PLID, plid, u16);
PUT_SINFO(PLINK_STATE, plink_state, u8);
PUT_SINFO_U64(RX_DURATION, rx_duration);
PUT_SINFO_U64(TX_DURATION, tx_duration);
if (wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16);
switch (rdev->wiphy.signal_type) {
case CFG80211_SIGNAL_TYPE_MBM:
@@ -5470,6 +5476,15 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
}
if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
params.airtime_weight =
nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
if (params.airtime_weight &&
!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
return -EOPNOTSUPP;
/* Include parameters for TDLS peer (will check later) */
err = nl80211_set_station_tdls(info, &params);
if (err)
@@ -5598,6 +5613,15 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.plink_action =
nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
params.airtime_weight =
nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
if (params.airtime_weight &&
!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
return -EOPNOTSUPP;
err = nl80211_parse_sta_channel_info(info, &params);
if (err)
return err;