On Tue, Jun 11, 2019 at 09:52:20PM +0200, Sven Eckelmann wrote:
> On Tuesday, 11 June 2019 20:02:47 CEST Sven Eckelmann wrote:
> [...]
> > ---
> > This doesn't work currently as expected. No HE rates are used between
> > the two HE mesh peers:
> [...]
>
> There seems to be also an ordering problem. ath11k_peer_assoc_h_he is only
> called before ieee80211_he_cap_ie_to_sta_he_cap is called. So ath11k_bss_assoc
> will not have the information whether the remote has HE support or not.
>
> Looks like I have adjust mesh_sta_info_init to get this somehow to
> ath11k_peer_assoc_h_he. Maybe through ath11k_sta_rc_update but this is not
> called by mesh_sta_info_init at the moment. Just because
> rate_control_rate_init is called and not rate_control_rate_update.
>
> The easiest method seems to adjust the check at the end of mesh_sta_info_init
> to
>
> if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL) &&
> !ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
> rate_control_rate_init(sta);
> } else {
> rate_control_rate_update(local, sband, sta, changed);
> }
Maybe we should just do this?
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 76f303fda3ed..6f8bde840bb9 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -42,7 +42,7 @@ void rate_control_rate_init(struct sta_info *sta)
ieee80211_sta_set_rx_nss(sta);
if (!ref)
- return;
+ goto out;
rcu_read_lock();
@@ -59,6 +59,7 @@ void rate_control_rate_init(struct sta_info *sta)
priv_sta);
spin_unlock_bh(&sta->rate_ctrl_lock);
rcu_read_unlock();
+out:
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}
That was my intent, anyway -- that NSS always got set before
rate_control_rate_update() even if using HW rate control.
> if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
> rate_control_rate_init(sta);
>
> /* inform drivers about changes */
> rate_control_rate_update(local, sband, sta, changed);
>
> Both will at least cause a call to ath11k_peer_assoc_prepare +
> ath11k_wmi_send_peer_assoc_cmd but unfortunately the ath11k firmware hangs
> afterwards.
I think this would be OK.
--
Bob Copeland %% https://bobcopeland.com/
