[PATCH 3/3] net: mac80211: Add and use ibss_vdbg debugging macro

From: Joe Perches
Date: Tue May 15 2012 - 17:21:23 EST


Simplify the use of #ifdef CONFIG_MAC80211_IBSS_DEBUG/#endif
by adding a logging macro to encapsulate the test.

Convert the appropriate uses too.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
include/net/mac80211.h | 11 ++++++
net/mac80211/ibss.c | 79 ++++++++++++++++------------------------------
net/mac80211/sta_info.c | 6 +--
3 files changed, 41 insertions(+), 55 deletions(-)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7d79fd0..9306e6d 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -3842,4 +3842,15 @@ do { \
} while (0)
#endif

+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+#define ibss_vdbg(fmt, ...) \
+ pr_debug(fmt, ##__VA_ARGS__)
+#else
+#define ibss_vdbg(fmt, ...) \
+do { \
+ if (0) \
+ pr_debug(fmt, ##__VA_ARGS__); \
+} while (0)
+#endif
+
#endif /* MAC80211_H */
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 33e0566..e23faba 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -276,10 +276,8 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta,
if (sta_info_insert_rcu(sta))
return sta_info_get(sdata, addr);
if (auth) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n",
- sdata->vif.addr, sdata->u.ibss.bssid, addr);
-#endif
+ ibss_vdbg("TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n",
+ sdata->vif.addr, sdata->u.ibss.bssid, addr);
ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, NULL, 0,
addr, sdata->u.ibss.bssid, NULL, 0, 0);
}
@@ -349,11 +347,9 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,

if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
return;
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n",
- sdata->name, mgmt->sa, mgmt->da, mgmt->bssid,
- auth_transaction);
-#endif
+ ibss_vdbg("%s: RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n",
+ sdata->name, mgmt->sa, mgmt->da, mgmt->bssid,
+ auth_transaction);
sta_info_destroy_addr(sdata, mgmt->sa);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, 0, false);
rcu_read_unlock();
@@ -416,12 +412,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
ieee80211_mandatory_rates(local, band);

if (sta->sta.supp_rates[band] != prev_rates) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: updated supp_rates set for %pM based on beacon/probe_resp (0x%x -> 0x%x)\n",
- sdata->name, sta->sta.addr,
- prev_rates,
- sta->sta.supp_rates[band]);
-#endif
+ ibss_vdbg("%s: updated supp_rates set for %pM based on beacon/probe_resp (0x%x -> 0x%x)\n",
+ sdata->name, sta->sta.addr,
+ prev_rates,
+ sta->sta.supp_rates[band]);
rates_updated = true;
}
} else {
@@ -536,20 +530,16 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
rx_timestamp = drv_get_tsf(local, sdata);
}

-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("RX beacon SA=%pM BSSID=%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
- mgmt->sa, mgmt->bssid,
- (unsigned long long)rx_timestamp,
- (unsigned long long)beacon_timestamp,
- (unsigned long long)(rx_timestamp - beacon_timestamp),
- jiffies);
-#endif
+ ibss_vdbg("RX beacon SA=%pM BSSID=%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+ mgmt->sa, mgmt->bssid,
+ (unsigned long long)rx_timestamp,
+ (unsigned long long)beacon_timestamp,
+ (unsigned long long)(rx_timestamp - beacon_timestamp),
+ jiffies);

if (beacon_timestamp > rx_timestamp) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n",
- sdata->name, mgmt->bssid);
-#endif
+ ibss_vdbg("%s: beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n",
+ sdata->name, mgmt->bssid);
ieee80211_sta_join_ibss(sdata, bss);
supp_rates = ieee80211_sta_get_rates(local, elems, band, NULL);
ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
@@ -712,10 +702,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
lockdep_assert_held(&ifibss->mtx);

active_ibss = ieee80211_sta_active_ibss(sdata);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: sta_find_ibss (active_ibss=%d)\n",
- sdata->name, active_ibss);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_vdbg("%s: sta_find_ibss (active_ibss=%d)\n",
+ sdata->name, active_ibss);

if (active_ibss)
return;
@@ -738,11 +726,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
struct ieee80211_bss *bss;

bss = (void *)cbss->priv;
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug(" sta_find_ibss: selected %pM current %pM\n",
- cbss->bssid, ifibss->bssid);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
+ ibss_vdbg(" sta_find_ibss: selected %pM current %pM\n",
+ cbss->bssid, ifibss->bssid);
pr_debug("%s: Selected IBSS BSSID %pM based on configured SSID\n",
sdata->name, cbss->bssid);

@@ -751,9 +736,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
return;
}

-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug(" did not try to join ibss\n");
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_vdbg(" did not try to join ibss\n");

/* Selected IBSS not found in current scan results - try to scan */
if (time_after(jiffies, ifibss->last_scan_completed +
@@ -810,11 +793,9 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,

tx_last_beacon = drv_tx_last_beacon(local);

-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM (tx_last_beacon=%d)\n",
- sdata->name, mgmt->sa, mgmt->da,
- mgmt->bssid, tx_last_beacon);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_vdbg("%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM (tx_last_beacon=%d)\n",
+ sdata->name, mgmt->sa, mgmt->da,
+ mgmt->bssid, tx_last_beacon);

if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
return;
@@ -827,10 +808,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
pos = mgmt->u.probe_req.variable;
if (pos[0] != WLAN_EID_SSID ||
pos + 2 + pos[1] > end) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: Invalid SSID IE in ProbeReq from %pM\n",
- sdata->name, mgmt->sa);
-#endif
+ ibss_vdbg("%s: Invalid SSID IE in ProbeReq from %pM\n",
+ sdata->name, mgmt->sa);
return;
}
if (pos[1] != 0 &&
@@ -847,9 +826,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,

resp = (struct ieee80211_mgmt *) skb->data;
memcpy(resp->da, mgmt->sa, ETH_ALEN);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: Sending ProbeResp to %pM\n", sdata->name, resp->da);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ ibss_vdbg("%s: Sending ProbeResp to %pM\n", sdata->name, resp->da);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
ieee80211_tx_skb(sdata, skb);
}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 4be5098..0a70f79 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -887,10 +887,8 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
continue;

if (time_after(jiffies, sta->last_rx + exp_time)) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- pr_debug("%s: expiring inactive STA %pM\n",
- sdata->name, sta->sta.addr);
-#endif
+ ibss_vdbg("%s: expiring inactive STA %pM\n",
+ sdata->name, sta->sta.addr);
WARN_ON(__sta_info_destroy(sta));
}
}
--
1.7.8.111.gad25c.dirty

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