batman-adv: add patches from 2018.1-maint 2018-06-12

[feed/routing.git] / batman-adv / files / compat-hacks.h

diff --git a/batman-adv/files/compat-hacks.h b/batman-adv/files/compat-hacks.h
index a27408d1153dce7099f7746347cc43838b5bc6b8..d35cece49d8bfe38daf061ff8407d2203dd563f8 100644 (file)
--- a/batman-adv/files/compat-hacks.h
+++ b/batman-adv/files/compat-hacks.h
@@ -333,6 +333,36 @@ static inline void timer_setup(struct timer_list *timer,
        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> */
 
@@ -392,7 +422,7 @@ static inline void timer_setup(struct timer_list *timer,
        static inline void ewma_##name##_add(struct ewma_##name *e,     \
                                             unsigned long val)         \
        {                                                               \
-               unsigned long internal = ACCESS_ONCE(e->internal);      \
+               unsigned long internal = READ_ONCE(e->internal);        \
                unsigned long weight_rcp = ilog2(_weight_rcp);          \
                unsigned long precision = _precision;                   \
                                                                        \
@@ -401,10 +431,10 @@ static inline void timer_setup(struct timer_list *timer,
                BUILD_BUG_ON((_precision) > 30);                        \
                BUILD_BUG_ON_NOT_POWER_OF_2(_weight_rcp);               \
                                                                        \
-               ACCESS_ONCE(e->internal) = internal ?                   \
+               WRITE_ONCE(e->internal, internal ?                      \
                        (((internal << weight_rcp) - internal) +        \
                                (val << precision)) >> weight_rcp :     \
-                       (val << precision);                             \
+                       (val << precision));                            \
        }
 
 /* </DECLARE_EWMA> */