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wifi: wfx: declare support for WoWLAN

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WF200 is able to keep the connection with the AP alive while the host is
asleep. So, let's expose this capability to the user.

For now, we don't provide any way to control the device filtering
features. The user has to allow wake-up on any received packets and on
disconnections.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://patch.msgid.link/20250304153224.39083-3-jerome.pouiller@silabs.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Jérôme Pouiller 2025-03-04 16:32:21 +01:00 committed by Johannes Berg
parent d9819f537c
commit 813badc0e1
3 changed files with 30 additions and 0 deletions
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13
drivers/net/wireless/silabs/wfx/main.c
View File

@ -121,6 +121,12 @@ static const struct ieee80211_iface_combination wfx_iface_combinations[] = {
}
};
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support wfx_wowlan_support = {
.flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT,
};
#endif
static const struct ieee80211_ops wfx_ops = {
.start = wfx_start,
.stop = wfx_stop,
@ -153,6 +159,10 @@ static const struct ieee80211_ops wfx_ops = {
.unassign_vif_chanctx = wfx_unassign_vif_chanctx,
.remain_on_channel = wfx_remain_on_channel,
.cancel_remain_on_channel = wfx_cancel_remain_on_channel,
#ifdef CONFIG_PM
.suspend = wfx_suspend,
.resume = wfx_resume,
#endif
};
bool wfx_api_older_than(struct wfx_dev *wdev, int major, int minor)
@ -289,6 +299,9 @@ struct wfx_dev *wfx_init_common(struct device *dev, const struct wfx_platform_da
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P |
NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U;
hw->wiphy->features |= NL80211_FEATURE_AP_SCAN;
#ifdef CONFIG_PM
hw->wiphy->wowlan = &wfx_wowlan_support;
#endif
hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
hw->wiphy->max_remain_on_channel_duration = 5000;

15
drivers/net/wireless/silabs/wfx/sta.c
View File

@ -803,6 +803,21 @@ void wfx_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
}
}
#ifdef CONFIG_PM
int wfx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
/* FIXME: hardware also support WIPHY_WOWLAN_MAGIC_PKT and other filters */
if (!wowlan->any || !wowlan->disconnect)
return -EINVAL;
return 0;
}
int wfx_resume(struct ieee80211_hw *hw)
{
return 0;
}
#endif
int wfx_start(struct ieee80211_hw *hw)
{
return 0;

2
drivers/net/wireless/silabs/wfx/sta.h
View File

@ -56,6 +56,8 @@ int wfx_assign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
void wfx_unassign_vif_chanctx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf,
struct ieee80211_chanctx_conf *conf);
int wfx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
int wfx_resume(struct ieee80211_hw *hw);
/* Hardware API Callbacks */
void wfx_cooling_timeout_work(struct work_struct *work);