6 files changed, 34 insertions, 20 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 242a3c1..33ee381 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1137,6 +1137,7 @@ static u16 ieee80211_netdev_select_queue(struct net_device *dev,
 static void
 ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 {
+#if LINUX_VERSION_IS_GEQ(3,14,0)
 	int i;
 
 	for_each_possible_cpu(i) {
@@ -1159,6 +1160,7 @@ ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
 		stats->rx_bytes   += rx_bytes;
 		stats->tx_bytes   += tx_bytes;
 	}
+#endif
 }
 
 static const struct net_device_ops ieee80211_dataif_ops = {
@@ -1232,7 +1234,11 @@ static void ieee80211_if_setup(struct net_device *dev)
 static void ieee80211_if_setup_no_queue(struct net_device *dev)
 {
 	ieee80211_if_setup(dev);
+#if LINUX_VERSION_IS_GEQ(4,3,0)
 	dev->priv_flags |= IFF_NO_QUEUE;
+#else
+	dev->tx_queue_len = 0;
+#endif
 }
 
 static void ieee80211_iface_work(struct work_struct *work)
@@ -1913,9 +1919,11 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 
 		netdev_set_default_ethtool_ops(ndev, &ieee80211_ethtool_ops);
 
+#if LINUX_VERSION_IS_GEQ(4,10,0)
 		/* MTU range: 256 - 2304 */
 		ndev->min_mtu = 256;
 		ndev->max_mtu = IEEE80211_MAX_DATA_LEN;
+#endif
 
 		ret = register_netdevice(ndev);
 		if (ret) {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b34bbb4..332fdc5 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -36,12 +36,14 @@
 
 static inline void ieee80211_rx_stats(struct net_device *dev, u32 len)
 {
+#if LINUX_VERSION_IS_GEQ(3,14,0)
 	struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
 
 	u64_stats_update_begin(&tstats->syncp);
 	tstats->rx_packets++;
 	tstats->rx_bytes += len;
 	u64_stats_update_end(&tstats->syncp);
+#endif
 }
 
 static u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 83b8b11..7d769a1 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -542,8 +542,10 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
 	}
 
 	if (!dropped && skb->destructor) {
+#if LINUX_VERSION_IS_GEQ(3,3,0)
 		skb->wifi_acked_valid = 1;
 		skb->wifi_acked = acked;
+#endif
 	}
 }
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 6e0a675..762ec66 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -43,12 +43,14 @@
 
 static inline void ieee80211_tx_stats(struct net_device *dev, u32 len)
 {
+#if LINUX_VERSION_IS_GEQ(3,14,0)
 	struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
 
 	u64_stats_update_begin(&tstats->syncp);
 	tstats->tx_packets++;
 	tstats->tx_bytes += len;
 	u64_stats_update_end(&tstats->syncp);
+#endif
 }
 
 static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
diff --git a/net/wireless/trace.c b/net/wireless/trace.c
index c435908..7f2f887 100644
--- a/net/wireless/trace.c
+++ b/net/wireless/trace.c
@@ -1,5 +1,5 @@
 #include <linux/module.h>
-#if LINUX_VERSION_IS_LESS(3,1,0)
+#if LINUX_VERSION_IS_LESS(3,2,0)
 #include <linux/interrupt.h>
 #endif
 
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 9675c73..90ce475 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -11,6 +11,9 @@
 #include <net/cfg80211.h>
 #include "core.h"
 
+#ifndef BACKPORTS_TRACE
+#define BACKPORTS_TRACE
+
 #define MAC_ENTRY(entry_mac) __array(u8, entry_mac, ETH_ALEN)
 #define MAC_ASSIGN(entry_mac, given_mac) do {			     \
 	if (given_mac)						     \
@@ -212,6 +215,18 @@
 /*************************************************************
  *			rdev->ops traces		     *
  *************************************************************/
+#if LINUX_VERSION_IS_LESS(4,0,0)
+#undef TP_PROTO
+#define TP_PROTO(args...) args
+#undef DECLARE_TRACE
+#define DECLARE_TRACE(args...) 
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(skip,name,proto,args...) inline void trace_##name(proto){}
+#undef TRACE_EVENT
+#define TRACE_EVENT(name,proto,args...) inline void trace_##name(proto){}
+#endif
+DEFINE_EVENT(skip, rdev_set_multicast_to_unicast,
+        TP_PROTO(struct wiphy *wiphy, struct net_device *dev, bool ena), a);
 
 TRACE_EVENT(rdev_suspend,
 	TP_PROTO(struct wiphy *wiphy, struct cfg80211_wowlan *wow),
@@ -277,6 +292,9 @@ TRACE_EVENT(rdev_scan,
 	TP_printk(WIPHY_PR_FMT, WIPHY_PR_ARG)
 );
 
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(args...) 
+
 DECLARE_EVENT_CLASS(wiphy_only_evt,
 	TP_PROTO(struct wiphy *wiphy),
 	TP_ARGS(wiphy),
@@ -3051,25 +3069,7 @@ DEFINE_EVENT(wiphy_wdev_evt, rdev_abort_scan,
 	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
 	TP_ARGS(wiphy, wdev)
 );
-
-TRACE_EVENT(rdev_set_multicast_to_unicast,
-	TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
-		 const bool enabled),
-	TP_ARGS(wiphy, netdev, enabled),
-	TP_STRUCT__entry(
-		WIPHY_ENTRY
-		NETDEV_ENTRY
-		__field(bool, enabled)
-	),
-	TP_fast_assign(
-		WIPHY_ASSIGN;
-		NETDEV_ASSIGN;
-		__entry->enabled = enabled;
-	),
-	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", unicast: %s",
-		  WIPHY_PR_ARG, NETDEV_PR_ARG,
-		  BOOL_TO_STR(__entry->enabled))
-);
+#endif /* BACKPORTS_TRACE */
 #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
 
 #undef TRACE_INCLUDE_PATH