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authorDavid S. Miller <davem@davemloft.net>2015-08-17 14:25:04 -0700
committerDavid S. Miller <davem@davemloft.net>2015-08-17 14:25:04 -0700
commit2bd736fa0d8a1da90e6ccaa6a79e56a8d2ae60c4 (patch)
treed855a6972df023eeef682498be454f1dedc638c1 /include/linux
parent90eb7fa51ccb9af58c437581af73c4a1d5fd2b9f (diff)
parent8f9c98df949333f08b74e5df1caacf7e2c5e8552 (diff)
downloadcachepc-linux-2bd736fa0d8a1da90e6ccaa6a79e56a8d2ae60c4.tar.gz
cachepc-linux-2bd736fa0d8a1da90e6ccaa6a79e56a8d2ae60c4.zip
Merge tag 'mac80211-next-for-davem-2015-08-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says: ==================== Another pull request for the next cycle, this time with quite a bit of content: * mesh fixes/improvements from Alexis, Bob, Chun-Yeow and Jesse * TDLS higher bandwidth support (Arik) * OCB fixes from Bertold Van den Bergh * suspend/resume fixes from Eliad * dynamic SMPS support for minstrel-HT (Krishna Chaitanya) * VHT bitrate mask support (Lorenzo Bianconi) * better regulatory support for 5/10 MHz channels (Matthias May) * basic support for MU-MIMO to avoid the multi-vif issue (Sara Sharon) along with a number of other cleanups. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/average.h39
-rw-r--r--include/linux/ieee80211.h2
2 files changed, 40 insertions, 1 deletions
diff --git a/include/linux/average.h b/include/linux/average.h
index c6028fd742c1..60f8226c5652 100644
--- a/include/linux/average.h
+++ b/include/linux/average.h
@@ -27,4 +27,43 @@ static inline unsigned long ewma_read(const struct ewma *avg)
return avg->internal >> avg->factor;
}
+#define DECLARE_EWMA(name, _factor, _weight) \
+ struct ewma_##name { \
+ unsigned long internal; \
+ }; \
+ static inline void ewma_##name##_init(struct ewma_##name *e) \
+ { \
+ BUILD_BUG_ON(!__builtin_constant_p(_factor)); \
+ BUILD_BUG_ON(!__builtin_constant_p(_weight)); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_factor); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_weight); \
+ e->internal = 0; \
+ } \
+ static inline unsigned long \
+ ewma_##name##_read(struct ewma_##name *e) \
+ { \
+ BUILD_BUG_ON(!__builtin_constant_p(_factor)); \
+ BUILD_BUG_ON(!__builtin_constant_p(_weight)); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_factor); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_weight); \
+ return e->internal >> ilog2(_factor); \
+ } \
+ static inline void ewma_##name##_add(struct ewma_##name *e, \
+ unsigned long val) \
+ { \
+ unsigned long internal = ACCESS_ONCE(e->internal); \
+ unsigned long weight = ilog2(_weight); \
+ unsigned long factor = ilog2(_factor); \
+ \
+ BUILD_BUG_ON(!__builtin_constant_p(_factor)); \
+ BUILD_BUG_ON(!__builtin_constant_p(_weight)); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_factor); \
+ BUILD_BUG_ON_NOT_POWER_OF_2(_weight); \
+ \
+ ACCESS_ONCE(e->internal) = internal ? \
+ (((internal << weight) - internal) + \
+ (val << factor)) >> weight : \
+ (val << factor); \
+ }
+
#endif /* _LINUX_AVERAGE_H */
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index b9c7897dc566..cfa906f28b7a 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2074,8 +2074,8 @@ enum ieee80211_tdls_actioncode {
#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
+#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
-#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE 0x2