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cfg80211: add cfg80211 exported function tracing

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Also add tracing to the API functions that drivers
(and mac80211) can call in cfg80211.

Signed-off-by: Beni Lev <beni.lev@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Beni Lev 2012-08-27 12:49:39 +03:00 • committed by Johannes Berg
parent 14e8a3c47e
commit 4ee3e063f1
7 changed files with 615 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

13
net/wireless/scan.c
View file

@ -145,6 +145,7 @@ void __cfg80211_scan_done(struct work_struct *wk)
void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
{
trace_cfg80211_scan_done(request, aborted);
WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
request->aborted = aborted;
@ -182,6 +183,7 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
void cfg80211_sched_scan_results(struct wiphy *wiphy)
{
trace_cfg80211_sched_scan_results(wiphy);
/* ignore if we're not scanning */
if (wiphy_to_dev(wiphy)->sched_scan_req)
queue_work(cfg80211_wq,
@ -193,6 +195,8 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_sched_scan_stopped(wiphy);
mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, true);
mutex_unlock(&rdev->sched_scan_mtx);
@ -485,6 +489,9 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
struct cfg80211_internal_bss *bss, *res = NULL;
unsigned long now = jiffies;
trace_cfg80211_get_bss(wiphy, channel, bssid, ssid, ssid_len, capa_mask,
capa_val);
spin_lock_bh(&dev->bss_lock);
list_for_each_entry(bss, &dev->bss_list, list) {
@ -506,6 +513,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
spin_unlock_bh(&dev->bss_lock);
if (!res)
return NULL;
trace_cfg80211_return_bss(&res->pub);
return &res->pub;
}
EXPORT_SYMBOL(cfg80211_get_bss);
@ -818,6 +826,7 @@ cfg80211_inform_bss(struct wiphy *wiphy,
if (res->pub.capability & WLAN_CAPABILITY_ESS)
regulatory_hint_found_beacon(wiphy, channel, gfp);
trace_cfg80211_return_bss(&res->pub);
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}
@ -830,10 +839,13 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
s32 signal, gfp_t gfp)
{
struct cfg80211_internal_bss *res;
size_t ielen = len - offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
size_t privsz;
trace_cfg80211_inform_bss_frame(wiphy, channel, mgmt, len, signal);
if (WARN_ON(!mgmt))
return NULL;
@ -887,6 +899,7 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
if (res->pub.capability & WLAN_CAPABILITY_ESS)
regulatory_hint_found_beacon(wiphy, channel, gfp);
trace_cfg80211_return_bss(&res->pub);
/* cfg80211_bss_update gives us a referenced result */
return &res->pub;
}