This new API is aimed to let other modules in the kernel
fetch the maximum throughput value towards a peer over
a given VIF.
Signed-off-by: Antonio Quartulli <antonio@xxxxxxxxxxxxx>
---
include/net/cfg80211.h | 20 ++++++++++++++++++++
net/wireless/core.c | 11 +++++++++++
2 files changed, 31 insertions(+)
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 57870b6..5019f67 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2002,6 +2002,9 @@ struct cfg80211_update_ft_ies_params {
* @update_ft_ies: Provide updated Fast BSS Transition information to the
* driver. If the SME is in the driver/firmware, this information can be
* used in building Authentication and Reassociation Request frames.
+ *
+ * @get_max_tp: Get the maximum throughput estimated by the rate control
+ * algorithm towards a given peer
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -2231,6 +2234,9 @@ struct cfg80211_ops {
struct cfg80211_chan_def *chandef);
int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_update_ft_ies_params *ftie);
+
+ int (*get_max_tp)(struct wireless_dev *wdev, const u8 *peer,
+ u32 *tp);
};
/*
@@ -4126,6 +4132,20 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
struct cfg80211_wowlan_wakeup *wakeup,
gfp_t gfp);
+/**
+ * cfg80211_get_max_tp - get the maximum estimated throughput towards a peer
+ * @wdev: the wireless device which the peer is connected to
+ * @peer: MAC address of the peer
+ * @tp: output buffer. Will contain the throughput value
+ *
+ * This functions queries the underlaying driver and gets the maximum
+ * estimated throughput towards the given peer. The result is then stored in the
+ * variable pointed by tp
+ *
+ * Return 0 on success or a negative error code otherwise
+ */
+int cfg80211_get_max_tp(struct wireless_dev *wdev, u8 *peer, u32 *tp);
+
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 92e3fd4..ae86515 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -854,6 +854,17 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
wdev->beacon_interval = 0;
}
+int cfg80211_get_max_tp(struct wireless_dev *wdev, u8 *peer, u32 *tp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+ if (!rdev->ops->get_max_tp)
+ return -EOPNOTSUPP;
+
+ return rdev->ops->get_max_tp(wdev, peer, tp);
+}
+EXPORT_SYMBOL(cfg80211_get_max_tp);
+
static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
unsigned long state,
void *ndev)
--
1.8.1.5
--
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