cfg80211: add cfg80211 exported function tracing
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>
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 2a74395..46aeafc 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -24,6 +24,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_send_rx_auth(dev);
wdev_lock(wdev);
nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL);
@@ -44,6 +45,7 @@
u8 *ie = mgmt->u.assoc_resp.variable;
int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
+ trace_cfg80211_send_rx_assoc(dev, bss);
wdev_lock(wdev);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
@@ -100,6 +102,7 @@
const u8 *bssid = mgmt->bssid;
bool was_current = false;
+ trace___cfg80211_send_deauth(dev);
ASSERT_WDEV_LOCK(wdev);
if (wdev->current_bss &&
@@ -149,6 +152,7 @@
u16 reason_code;
bool from_ap;
+ trace___cfg80211_send_disassoc(dev);
ASSERT_WDEV_LOCK(wdev);
nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL);
@@ -190,6 +194,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_send_unprot_deauth(dev);
nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC);
}
EXPORT_SYMBOL(cfg80211_send_unprot_deauth);
@@ -201,6 +206,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_send_unprot_disassoc(dev);
nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC);
}
EXPORT_SYMBOL(cfg80211_send_unprot_disassoc);
@@ -211,6 +217,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_send_auth_timeout(dev, addr);
wdev_lock(wdev);
nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL);
@@ -229,6 +236,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_send_assoc_timeout(dev, addr);
wdev_lock(wdev);
nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL);
@@ -263,6 +271,7 @@
}
#endif
+ trace_cfg80211_michael_mic_failure(dev, addr, key_type, key_id, tsc);
nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp);
}
EXPORT_SYMBOL(cfg80211_michael_mic_failure);
@@ -582,6 +591,8 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_ready_on_channel(wdev, cookie, chan, channel_type,
+ duration);
nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type,
duration, gfp);
}
@@ -595,6 +606,8 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan,
+ channel_type);
nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan,
channel_type, gfp);
}
@@ -606,6 +619,7 @@
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_new_sta(dev, mac_addr, sinfo);
nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp);
}
EXPORT_SYMBOL(cfg80211_new_sta);
@@ -615,6 +629,7 @@
struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_del_sta(dev, mac_addr);
nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp);
}
EXPORT_SYMBOL(cfg80211_del_sta);
@@ -867,10 +882,13 @@
cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE);
u16 stype;
+ trace_cfg80211_rx_mgmt(wdev, freq, sig_mbm);
stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4;
- if (!(stypes->rx & BIT(stype)))
+ if (!(stypes->rx & BIT(stype))) {
+ trace_cfg80211_return_bool(false);
return false;
+ }
data = buf + ieee80211_hdrlen(mgmt->frame_control);
data_len = len - ieee80211_hdrlen(mgmt->frame_control);
@@ -901,6 +919,7 @@
spin_unlock_bh(&wdev->mgmt_registrations_lock);
+ trace_cfg80211_return_bool(result);
return result;
}
EXPORT_SYMBOL(cfg80211_rx_mgmt);
@@ -911,6 +930,8 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
+
/* Indicate TX status of the Action frame to user space */
nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp);
}
@@ -924,6 +945,8 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_cqm_rssi_notify(dev, rssi_event);
+
/* Indicate roaming trigger event to user space */
nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp);
}
@@ -936,6 +959,8 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets);
+
/* Indicate roaming trigger event to user space */
nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp);
}
@@ -961,6 +986,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_gtk_rekey_notify(dev, bssid);
nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
}
EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
@@ -972,6 +998,7 @@
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth);
nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp);
}
EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
@@ -984,6 +1011,8 @@
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct ieee80211_channel *chan;
+ trace_cfg80211_ch_switch_notify(dev, freq, type);
+
wdev_lock(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
@@ -1006,12 +1035,18 @@
const u8 *addr, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ bool ret;
+
+ trace_cfg80211_rx_spurious_frame(dev, addr);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
- wdev->iftype != NL80211_IFTYPE_P2P_GO))
+ wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
+ trace_cfg80211_return_bool(false);
return false;
-
- return nl80211_unexpected_frame(dev, addr, gfp);
+ }
+ ret = nl80211_unexpected_frame(dev, addr, gfp);
+ trace_cfg80211_return_bool(ret);
+ return ret;
}
EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
@@ -1019,12 +1054,18 @@
const u8 *addr, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ bool ret;
+
+ trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO &&
- wdev->iftype != NL80211_IFTYPE_AP_VLAN))
+ wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
+ trace_cfg80211_return_bool(false);
return false;
-
- return nl80211_unexpected_4addr_frame(dev, addr, gfp);
+ }
+ ret = nl80211_unexpected_4addr_frame(dev, addr, gfp);
+ trace_cfg80211_return_bool(ret);
+ return ret;
}
EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);