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authorJohannes Berg <johannes.berg@intel.com>2013-07-25 21:45:17 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-08-06 11:00:59 +0200
commite7f1935c11269bc53cd52425b1025657adddb839 (patch)
tree84bffeddf3dec06016bd0c8c53c09eb3d43a6502
parentmac80211: add channel switch command and beacon callbacks (diff)
downloadlinux-dev-e7f1935c11269bc53cd52425b1025657adddb839.tar.xz
linux-dev-e7f1935c11269bc53cd52425b1025657adddb839.zip
wireless: make TU conversion macros available
A few places in the code (mac80211 and iwlmvm) use the same TU_TO_JIFFIES() macro and could use TU_TO_EXP_TIME() that mac80211 has. Make these available to everyone and use them. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/time-event.c7
-rw-r--r--include/linux/ieee80211.h4
-rw-r--r--net/mac80211/ieee80211_i.h3
3 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c
index ad9bbca99213..9f100363b177 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -73,7 +73,6 @@
#include "iwl-prph.h"
/* A TimeUnit is 1024 microsecond */
-#define TU_TO_JIFFIES(_tu) (usecs_to_jiffies((_tu) * 1024))
#define MSEC_TO_TU(_msec) (_msec*1000/1024)
/*
@@ -191,8 +190,7 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
iwl_mvm_te_clear_data(mvm, te_data);
} else if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_START) {
te_data->running = true;
- te_data->end_jiffies = jiffies +
- TU_TO_JIFFIES(te_data->duration);
+ te_data->end_jiffies = TU_TO_EXP_TIME(te_data->duration);
if (te_data->vif->type == NL80211_IFTYPE_P2P_DEVICE) {
set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status);
@@ -329,8 +327,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
if (te_data->running &&
- time_after(te_data->end_jiffies,
- jiffies + TU_TO_JIFFIES(min_duration))) {
+ time_after(te_data->end_jiffies, TU_TO_EXP_TIME(min_duration))) {
IWL_DEBUG_TE(mvm, "We have enough time in the current TE: %u\n",
jiffies_to_msecs(te_data->end_jiffies - jiffies));
return;
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index b3ce299782af..23a8877f4ded 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2288,4 +2288,8 @@ static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
return !!(tim->virtual_map[index] & mask);
}
+/* convert time units */
+#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
+#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+
#endif /* LINUX_IEEE80211_H */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index e94c84050e9c..b6186517ec56 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -53,9 +53,6 @@ struct ieee80211_local;
* increased memory use (about 2 kB of RAM per entry). */
#define IEEE80211_FRAGMENT_MAX 4
-#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
-#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
-
/* power level hasn't been configured (or set to automatic) */
#define IEEE80211_UNSET_POWER_LEVEL INT_MIN