From 92c68a66a8f73c51f062ae8cae958c86a21fea78 Mon Sep 17 00:00:00 2001
From: Ben Greear <greearb@candelatech.com>
Date: Fri, 8 Oct 2010 09:43:29 -0700
Subject: [PATCH] ath5k: Print out opmode in debugfs.

Helps debug multi-VIF scenarios.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath5k/debug.c | 10 +++++++++
 drivers/net/wireless/ath/debug.c       | 29 ++++++++++++++++++++++++++
 drivers/net/wireless/ath/debug.h       |  3 +++
 3 files changed, 42 insertions(+)

diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index c2d549f871f9..a342a9da1b3e 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -60,6 +60,7 @@
 
 #include "base.h"
 #include "debug.h"
+#include "../debug.h"
 
 static unsigned int ath5k_debug;
 module_param_named(debug, ath5k_debug, uint, 0);
@@ -492,6 +493,7 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 	char buf[700];
 	unsigned int len = 0;
 	u32 filt = ath5k_hw_get_rx_filter(sc->ah);
+	const char *tmp;
 
 	len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n",
 			sc->bssidmask);
@@ -524,6 +526,14 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 	else
 		len += snprintf(buf+len, sizeof(buf)-len, "\n");
 
+	tmp = ath_opmode_to_string(sc->opmode);
+	if (tmp)
+		len += snprintf(buf+len, sizeof(buf)-len, "opmode: %s\n",
+				tmp);
+	else
+		len += snprintf(buf+len, sizeof(buf)-len,
+				"opmode: UNKNOWN-%i\n", sc->opmode);
+
 	if (len > sizeof(buf))
 		len = sizeof(buf);
 
diff --git a/drivers/net/wireless/ath/debug.c b/drivers/net/wireless/ath/debug.c
index 53e77bd131b9..a9eb7876dbe1 100644
--- a/drivers/net/wireless/ath/debug.c
+++ b/drivers/net/wireless/ath/debug.c
@@ -30,3 +30,32 @@ void ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
 	va_end(args);
 }
 EXPORT_SYMBOL(ath_print);
+
+const char *ath_opmode_to_string(enum nl80211_iftype opmode)
+{
+	switch (opmode) {
+	case NL80211_IFTYPE_UNSPECIFIED:
+		return "UNSPEC";
+	case NL80211_IFTYPE_ADHOC:
+		return "ADHOC";
+	case NL80211_IFTYPE_STATION:
+		return "STATION";
+	case NL80211_IFTYPE_AP:
+		return "AP";
+	case NL80211_IFTYPE_AP_VLAN:
+		return "AP-VLAN";
+	case NL80211_IFTYPE_WDS:
+		return "WDS";
+	case NL80211_IFTYPE_MONITOR:
+		return "MONITOR";
+	case NL80211_IFTYPE_MESH_POINT:
+		return "MESH";
+	case NL80211_IFTYPE_P2P_CLIENT:
+		return "P2P-CLIENT";
+	case NL80211_IFTYPE_P2P_GO:
+		return "P2P-GO";
+	default:
+		return NULL;
+	}
+}
+EXPORT_SYMBOL(ath_opmode_to_string);
diff --git a/drivers/net/wireless/ath/debug.h b/drivers/net/wireless/ath/debug.h
index fd3a020682dc..a3a5a628d24d 100644
--- a/drivers/net/wireless/ath/debug.h
+++ b/drivers/net/wireless/ath/debug.h
@@ -77,4 +77,7 @@ ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
 }
 #endif /* CONFIG_ATH_DEBUG */
 
+/** Returns string describing opmode, or NULL if unknown mode. */
+const char *ath_opmode_to_string(enum nl80211_iftype opmode);
+
 #endif /* ATH_DEBUG_H */
-- 
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