diff options
| author | Pedersen, Thomas <twp@qca.qualcomm.com> | 2016-09-29 02:56:28 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-09-30 14:45:44 +0300 |
| commit | 354d381baf1126c45d03b5c0d87d22caf938b86b (patch) | |
| tree | ef838588ad6a1f1c4b51e347794e5c5085a67cf1 /include/net/mac80211.h | |
| parent | 3ff23cd5654b9c8f4d567caa73439b4c39fbeaae (diff) | |
| download | linux-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 'include/net/mac80211.h')
| -rw-r--r-- | include/net/mac80211.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h index fc589ba90a48..c9f39538ac17 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3169,6 +3169,12 @@ enum ieee80211_reconfig_type { * required function. * The callback can sleep. * + * @offset_tsf: Offset the TSF timer by the specified value in the + * firmware/hardware. Preferred to set_tsf as it avoids delay between + * calling set_tsf() and hardware getting programmed, which will show up + * as TSF delay. Is not a required function. + * The callback can sleep. + * * @reset_tsf: Reset the TSF timer and allow firmware/hardware to synchronize * with other STAs in the IBSS. This is only used in IBSS mode. This * function is optional if the firmware/hardware takes full care of @@ -3549,6 +3555,8 @@ struct ieee80211_ops { u64 (*get_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); void (*set_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 tsf); + void (*offset_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + s64 offset); void (*reset_tsf)(struct ieee80211_hw *hw, struct ieee80211_vif *vif); int (*tx_last_beacon)(struct ieee80211_hw *hw); int (*ampdu_action)(struct ieee80211_hw *hw, |