From 4ee3e063f10acf6fd17c0ee6f1d0a95726e74cb2 Mon Sep 17 00:00:00 2001 From: Beni Lev Date: Mon, 27 Aug 2012 12:49:39 +0300 Subject: 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 Reviewed-by: Emmanuel Grumbach Reviewed-by: Johannes Berg Signed-off-by: Johannes Berg --- net/wireless/mlme.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 48 insertions(+), 7 deletions(-) (limited to 'net/wireless/mlme.c') diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 2a74395e6ab3..46aeafce08d0 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -24,6 +24,7 @@ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) 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 @@ void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, 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 @@ void __cfg80211_send_deauth(struct net_device *dev, 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 @@ void __cfg80211_send_disassoc(struct net_device *dev, 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 @@ void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, 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 @@ void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, 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 @@ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) 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 @@ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) 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 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, } #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 @@ void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, 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 @@ void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, 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 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, 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 @@ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) 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 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, 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 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, spin_unlock_bh(&wdev->mgmt_registrations_lock); + trace_cfg80211_return_bool(result); return result; } EXPORT_SYMBOL(cfg80211_rx_mgmt); @@ -911,6 +930,8 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, 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 @@ void cfg80211_cqm_rssi_notify(struct net_device *dev, 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 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev, 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 @@ void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, 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 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, 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 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq, 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 @@ bool cfg80211_rx_spurious_frame(struct net_device *dev, 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 @@ bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, 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); -- cgit 1.4.1