This adds the survey function to both mac80211 itself and to mac80211_hwsim.
For the latter driver, we simply invent some noise level.
Signed-off-by: Holger Schurig <[email protected]>
--- linux-wl.orig/include/net/mac80211.h
+++ linux-wl/include/net/mac80211.h
@@ -1507,7 +1507,8 @@
int (*ampdu_action)(struct ieee80211_hw *hw,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
-
+ int (*get_survey)(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey);
void (*rfkill_poll)(struct ieee80211_hw *hw);
#ifdef CONFIG_NL80211_TESTMODE
int (*testmode_cmd)(struct ieee80211_hw *hw, void *data, int len);
--- linux-wl.orig/net/mac80211/cfg.c
+++ linux-wl/net/mac80211/cfg.c
@@ -395,6 +395,17 @@
return ret;
}
+static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
+ int idx, struct survey_info *survey)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ if (!local->ops->get_survey)
+ return -EOPNOTSUPP;
+
+ return drv_get_survey(local, idx, survey);
+}
+
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
{
@@ -1375,6 +1386,7 @@
.change_station = ieee80211_change_station,
.get_station = ieee80211_get_station,
.dump_station = ieee80211_dump_station,
+ .dump_survey = ieee80211_dump_survey,
#ifdef CONFIG_MAC80211_MESH
.add_mpath = ieee80211_add_mpath,
.del_mpath = ieee80211_del_mpath,
--- linux-wl.orig/net/mac80211/driver-ops.h
+++ linux-wl/net/mac80211/driver-ops.h
@@ -251,6 +251,15 @@
return ret;
}
+static inline int drv_get_survey(struct ieee80211_local *local, int idx,
+ struct survey_info *survey)
+{
+ int ret = -EOPNOTSUPP;
+ if (local->ops->conf_tx)
+ ret = local->ops->get_survey(&local->hw, idx, survey);
+ /* trace_drv_get_survey(local, idx, survey, ret); */
+ return ret;
+}
static inline void drv_rfkill_poll(struct ieee80211_local *local)
{
--- linux-wl.orig/drivers/net/wireless/mac80211_hwsim.c
+++ linux-wl/drivers/net/wireless/mac80211_hwsim.c
@@ -759,6 +759,28 @@
return 0;
}
+static int mac80211_hwsim_get_survey(
+ struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct ieee80211_conf *conf = &hw->conf;
+
+ printk(KERN_DEBUG "%s:%s (idx=%d)\n",
+ wiphy_name(hw->wiphy), __func__, idx);
+
+ if (idx != 0)
+ return -ENOENT;
+
+ /* Current channel */
+ survey->channel = conf->channel;
+
+ /* Magically conjured noise level */
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = -92;
+
+ return 0;
+}
+
#ifdef CONFIG_NL80211_TESTMODE
/*
* This section contains example code for using netlink
@@ -840,6 +862,7 @@
.sta_notify = mac80211_hwsim_sta_notify,
.set_tim = mac80211_hwsim_set_tim,
.conf_tx = mac80211_hwsim_conf_tx,
+ .get_survey = mac80211_hwsim_get_survey,
CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
};
--
http://www.holgerschurig.de
On Tue, 2009-11-10 at 17:23 +0100, Holger Schurig wrote:
> This adds the survey function to both mac80211 itself and to mac80211_hwsim.
> For the latter driver, we simply invent some noise level.
I guess I'd prefer to keep that out for now until we have drivers that
do it and we know whether mac80211 should aggregate the information or
the driver needs to (like this patch requires).
johannes