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wifi: mac80211: add support for set_hw_timestamp command

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Support the set_hw_timestamp callback for enabling and disabling HW
timestamping if the low level driver supports it.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.700ded7badde.Ib2f7c228256ce313a04d3d9f9ecc6c7b9aa602bb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Avraham Stern 2023-03-01 12:09:22 +02:00 committed by Johannes Berg
parent cbbaf2bb82
commit 81202305f7
2 changed files with 23 additions and 0 deletions
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6
include/net/mac80211.h
View File

@ -4230,6 +4230,9 @@ struct ieee80211_prep_tx_info {
* Note that a sta can also be inserted or removed with valid links,
* i.e. passed to @sta_add/@sta_state with sta->valid_links not zero.
* In fact, cannot change from having valid_links and not having them.
* @set_hw_timestamp: Enable/disable HW timestamping of TM/FTM frames. This is
* not restored at HW reset by mac80211 so drivers need to take care of
* that.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw,
@ -4589,6 +4592,9 @@ struct ieee80211_ops {
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
u16 old_links, u16 new_links);
int (*set_hw_timestamp)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_set_hw_timestamp *hwts);
};
/**

17
net/mac80211/cfg.c
View File

@ -4904,6 +4904,22 @@ ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
return ret;
}
static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_set_hw_timestamp *hwts)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
if (!local->ops->set_hw_timestamp)
return -EOPNOTSUPP;
if (!check_sdata_in_driver(sdata))
return -EIO;
return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
}
const struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@ -5014,4 +5030,5 @@ const struct cfg80211_ops mac80211_config_ops = {
.add_link_station = ieee80211_add_link_station,
.mod_link_station = ieee80211_mod_link_station,
.del_link_station = ieee80211_del_link_station,
.set_hw_timestamp = ieee80211_set_hw_timestamp,
};