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[213.36.7.13]) by smtp.googlemail.com with ESMTPSA id bp30-20020a5d5a9e000000b0021e297d6850sm3337522wrb.110.2022.07.19.05.36.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jul 2022 05:36:28 -0700 (PDT) From: Baligh Gasmi To: Johannes Berg Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Felix Fietkau , Toke Hoiland-Jorgensen , Linus Lussing , Kalle Valo , Baligh Gasmi Subject: [RFC/RFT v5 4/4] mac80211: extend channel info with average busy time. Date: Tue, 19 Jul 2022 14:35:25 +0200 Message-Id: <20220719123525.3448926-5-gasmibal@gmail.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220719123525.3448926-1-gasmibal@gmail.com> References: <20220719123525.3448926-1-gasmibal@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add the average busy time of the channel in the nl80211. Signed-off-by: Baligh Gasmi --- include/net/cfg80211.h | 1 + include/uapi/linux/nl80211.h | 2 ++ net/mac80211/cfg.c | 8 ++++++++ net/wireless/nl80211.c | 6 ++++++ 4 files changed, 17 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 80f41446b1f0..38bafcaf3446 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4494,6 +4494,7 @@ struct cfg80211_ops { struct cfg80211_fils_aad *fils_aad); int (*set_radar_background)(struct wiphy *wiphy, struct cfg80211_chan_def *chandef); + int (*get_avg_busy_time)(struct wiphy *wiphy, struct net_device *dev); }; /* diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index d9490e3062a7..4e625f656bd6 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -3177,6 +3177,8 @@ enum nl80211_attrs { NL80211_ATTR_DISABLE_EHT, + NL80211_ATTR_WIPHY_AVG_BUSY_TIME, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 4ddf297f40f2..21a9d0b37ff5 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -4536,6 +4536,13 @@ ieee80211_set_radar_background(struct wiphy *wiphy, return local->ops->set_radar_background(&local->hw, chandef); } +static int ieee80211_get_avg_busy_time(struct wiphy *wiphy, + struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + return ewma_avg_busy_read(&sdata->avg_busy); +} + const struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, .del_virtual_intf = ieee80211_del_iface, @@ -4641,4 +4648,5 @@ const struct cfg80211_ops mac80211_config_ops = { .set_sar_specs = ieee80211_set_sar_specs, .color_change = ieee80211_color_change, .set_radar_background = ieee80211_set_radar_background, + .get_avg_busy_time = ieee80211_get_avg_busy_time, }; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 740b29481bc6..eeb3d85fd506 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3717,6 +3717,12 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag goto nla_put_failure; } + if (rdev->ops->get_avg_busy_time) { + int busy = rdev->ops->get_avg_busy_time(&rdev->wiphy, dev); + nla_put_u32(msg, NL80211_ATTR_WIPHY_AVG_BUSY_TIME, + busy); + } + wdev_lock(wdev); switch (wdev->iftype) { case NL80211_IFTYPE_AP: