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authorPedersen, Thomas <twp@qca.qualcomm.com>2016-09-29 02:56:28 +0300
committerJohannes Berg <johannes.berg@intel.com>2016-09-30 14:45:44 +0300
commit354d381baf1126c45d03b5c0d87d22caf938b86b (patch)
treeef838588ad6a1f1c4b51e347794e5c5085a67cf1 /net/mac80211/driver-ops.c
parent3ff23cd5654b9c8f4d567caa73439b4c39fbeaae (diff)
downloadlinux-354d381baf1126c45d03b5c0d87d22caf938b86b.tar.xz
mac80211: add offset_tsf driver op and use it for mesh
This allows the mesh sync (and debugfs) code to make incremental TSF adjustments, avoiding any uncertainty introduced by delay in programming absolute TSF. Signed-off-by: Thomas Pedersen <twp@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.c')
-rw-r--r--net/mac80211/driver-ops.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index c701b6438bd9..bb886e7db47f 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -215,6 +215,21 @@ void drv_set_tsf(struct ieee80211_local *local,
trace_drv_return_void(local);
}
+void drv_offset_tsf(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ s64 offset)
+{
+ might_sleep();
+
+ if (!check_sdata_in_driver(sdata))
+ return;
+
+ trace_drv_offset_tsf(local, sdata, offset);
+ if (local->ops->offset_tsf)
+ local->ops->offset_tsf(&local->hw, &sdata->vif, offset);
+ trace_drv_return_void(local);
+}
+
void drv_reset_tsf(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{