#endif /* < KERNEL_VERSION(4, 1, 0) */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0)
+
+/* Linux 3.15 misses the uapi include.... */
+#include <uapi/linux/nl80211.h>
+
+#endif /* < KERNEL_VERSION(3, 16, 0) */
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 9, 0)
#include <linux/netdevice.h>
-#define netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info) ({\
+#define netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info, extack) ({\
BUILD_BUG_ON(upper_priv != NULL); \
BUILD_BUG_ON(upper_info != NULL); \
+ BUILD_BUG_ON(extack != NULL); \
netdev_set_master(dev, upper_dev); \
})
#include <linux/netdevice.h>
-#define netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info) ({\
+#define netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info, extack) ({\
BUILD_BUG_ON(upper_priv != NULL); \
BUILD_BUG_ON(upper_info != NULL); \
+ BUILD_BUG_ON(extack != NULL); \
netdev_master_upper_dev_link(dev, upper_dev); \
})
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+
+#include <linux/netdevice.h>
+
+#define netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info, extack) ({\
+ BUILD_BUG_ON(extack != NULL); \
+ netdev_master_upper_dev_link(dev, upper_dev, upper_priv, upper_info); \
+})
+
#endif /* < KERNEL_VERSION(4, 5, 0) */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)
+
+/* for batadv_v_elp_get_throughput which would have used
+ * STATION_INFO_EXPECTED_THROUGHPUT in Linux 4.0.0
+ */
+#define NL80211_STA_INFO_EXPECTED_THROUGHPUT 28
+
+/* wild hack for batadv_getlink_net only */
+#define get_link_net get_xstats_size || 1 ? fallback_net : (struct net*)netdev->rtnl_link_ops->get_xstats_size
+
+#endif /* < KERNEL_VERSION(4, 0, 0) */
+
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0)
struct sk_buff *skb_checksum_trimmed(struct sk_buff *skb,
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0)
+#ifdef netif_trans_update
+#undef netif_trans_update
+#endif
+
#define netif_trans_update batadv_netif_trans_update
static inline void batadv_netif_trans_update(struct net_device *dev)
{
return 0;
}
+#ifdef nla_put_u64_64bit
+#undef nla_put_u64_64bit
+#endif
+
#define nla_put_u64_64bit(_skb, _attrtype, _value, _padattr) \
batadv_nla_put_u64_64bit(_skb, _attrtype, _value, _padattr)
static inline int batadv_nla_put_u64_64bit(struct sk_buff *skb, int attrtype,
#define __ro_after_init
#endif /* < KERNEL_VERSION(4, 10, 0) */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 9)
+
+#include <linux/netdevice.h>
+
+/* work around missing attribute needs_free_netdev and priv_destructor in
+ * net_device
+ */
+#define ether_setup(dev) \
+ void batadv_softif_free2(struct net_device *dev) \
+ { \
+ batadv_softif_free(dev); \
+ free_netdev(dev); \
+ } \
+ void (*t1)(struct net_device *dev) __attribute__((unused)); \
+ bool t2 __attribute__((unused)); \
+ ether_setup(dev)
+#define needs_free_netdev destructor = batadv_softif_free2; t2
+#define priv_destructor destructor = batadv_softif_free2; t1
+
+#endif /* < KERNEL_VERSION(4, 11, 9) */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 13, 0)
+
+static inline void *batadv_skb_put(struct sk_buff *skb, unsigned int len)
+{
+ return (void *)skb_put(skb, len);
+}
+#ifdef skb_put
+#undef skb_put
+#endif
+
+#define skb_put batadv_skb_put
+
+static inline void *batadv_skb_put_zero(struct sk_buff *skb, unsigned int len)
+{
+ void *tmp = skb_put(skb, len);
+
+ memset(tmp, 0, len);
+
+ return tmp;
+}
+#ifdef skb_put_zero
+#undef skb_put_zero
+#endif
+
+#define skb_put_zero batadv_skb_put_zero
+
+static inline void *batadv_skb_put_data(struct sk_buff *skb, const void *data,
+ unsigned int len)
+{
+ void *tmp = skb_put(skb, len);
+
+ memcpy(tmp, data, len);
+
+ return tmp;
+}
+#ifdef skb_put_data
+#undef skb_put_data
+#endif
+
+#define skb_put_data batadv_skb_put_data
+
+#endif /* < KERNEL_VERSION(4, 13, 0) */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+
+#define batadv_softif_slave_add(__dev, __slave_dev, __extack) \
+ batadv_softif_slave_add(__dev, __slave_dev)
+
+#endif /* < KERNEL_VERSION(4, 15, 0) */
+
+#ifndef from_timer
+
+#define TIMER_DATA_TYPE unsigned long
+#define TIMER_FUNC_TYPE void (*)(TIMER_DATA_TYPE)
+
+static inline void timer_setup(struct timer_list *timer,
+ void (*callback)(struct timer_list *),
+ unsigned int flags)
+{
+ __setup_timer(timer, (TIMER_FUNC_TYPE)callback,
+ (TIMER_DATA_TYPE)timer, flags);
+}
+
+#define from_timer(var, callback_timer, timer_fieldname) \
+ container_of(callback_timer, typeof(*var), timer_fieldname)
+
+#endif /* !from_timer */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 16, 0)
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
+
+#include <net/cfg80211.h>
+
+/* cfg80211 fix: https://patchwork.kernel.org/patch/10449857/ */
+static inline int batadv_cfg80211_get_station(struct net_device *dev,
+ const u8 *mac_addr,
+ struct station_info *sinfo)
+{
+ memset(sinfo, 0, sizeof(*sinfo));
+ return cfg80211_get_station(dev, mac_addr, sinfo);
+}
+
+#define cfg80211_get_station(dev, mac_addr, sinfo) \
+ batadv_cfg80211_get_station(dev, mac_addr, sinfo)
+
+#endif /* < KERNEL_VERSION(4, 18, 0) */
+
+
+#ifdef __CHECK_POLL
+typedef unsigned __bitwise __poll_t;
+#else
+typedef unsigned __poll_t;
+#endif
+
+#endif /* < KERNEL_VERSION(4, 16, 0) */
+
+/* <DECLARE_EWMA> */
+
+#include <linux/version.h>
+#include_next <linux/average.h>
+
+#include <linux/bug.h>
+
+#ifdef DECLARE_EWMA
+#undef DECLARE_EWMA
+#endif /* DECLARE_EWMA */
+
+/*
+ * Exponentially weighted moving average (EWMA)
+ *
+ * This implements a fixed-precision EWMA algorithm, with both the
+ * precision and fall-off coefficient determined at compile-time
+ * and built into the generated helper funtions.
+ *
+ * The first argument to the macro is the name that will be used
+ * for the struct and helper functions.
+ *
+ * The second argument, the precision, expresses how many bits are
+ * used for the fractional part of the fixed-precision values.
+ *
+ * The third argument, the weight reciprocal, determines how the
+ * new values will be weighed vs. the old state, new values will
+ * get weight 1/weight_rcp and old values 1-1/weight_rcp. Note
+ * that this parameter must be a power of two for efficiency.
+ */
+
+#define DECLARE_EWMA(name, _precision, _weight_rcp) \
+ struct ewma_##name { \
+ unsigned long internal; \
+ }; \
+ static inline void ewma_##name##_init(struct ewma_##name *e) \
+ { \
+ BUILD_BUG_ON(!__builtin_constant_p(_precision)); \
+ BUILD_BUG_ON(!__builtin_constant_p(_weight_rcp)); \
+ /* \
+ * Even if you want to feed it just 0/1 you should have \
+ * some bits for the non-fractional part... \
+ */ \
+ BUILD_BUG_ON((_precision) > 30); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_weight_rcp); \
+ e->internal = 0; \
+ } \
+ static inline unsigned long \
+ ewma_##name##_read(struct ewma_##name *e) \
+ { \
+ BUILD_BUG_ON(!__builtin_constant_p(_precision)); \
+ BUILD_BUG_ON(!__builtin_constant_p(_weight_rcp)); \
+ BUILD_BUG_ON((_precision) > 30); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_weight_rcp); \
+ return e->internal >> (_precision); \
+ } \
+ static inline void ewma_##name##_add(struct ewma_##name *e, \
+ unsigned long val) \
+ { \
+ unsigned long internal = READ_ONCE(e->internal); \
+ unsigned long weight_rcp = ilog2(_weight_rcp); \
+ unsigned long precision = _precision; \
+ \
+ BUILD_BUG_ON(!__builtin_constant_p(_precision)); \
+ BUILD_BUG_ON(!__builtin_constant_p(_weight_rcp)); \
+ BUILD_BUG_ON((_precision) > 30); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_weight_rcp); \
+ \
+ WRITE_ONCE(e->internal, internal ? \
+ (((internal << weight_rcp) - internal) + \
+ (val << precision)) >> weight_rcp : \
+ (val << precision)); \
+ }
+
+/* </DECLARE_EWMA> */
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