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From:   Thomas Pedersen <thomas@adapt-ip.com>
To:     Johannes Berg <johannes.berg@intel.com>
Cc:     linux-wireless <linux-wireless@vger.kernel.org>,
        Thomas Pedersen <thomas@adapt-ip.com>
Subject: [PATCH 1/3] mac80211_hwsim: add power save support
Date:   Sat, 16 Nov 2019 10:12:31 -0800
Message-Id: <20191116181233.1037-3-thomas@adapt-ip.com>
In-Reply-To: <20191116181233.1037-1-thomas@adapt-ip.com>
References: <20191116181233.1037-1-thomas@adapt-ip.com>
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Sender: linux-wireless-owner@vger.kernel.org
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Advertise the correct flags to mac80211 to indicate PS
trigger frames and frame buffering should be handled by
mac80211. This means mac80211_hwsim will now also have to
release buffered multicast frames after a (DTIM) beacon.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
---
 drivers/net/wireless/mac80211_hwsim.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 772e54f0696f..bede49f686ba 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1574,6 +1574,11 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
 	mac80211_hwsim_tx_frame(hw, skb,
 				rcu_dereference(vif->chanctx_conf)->def.chan);
 
+	while ((skb = ieee80211_get_buffered_bc(hw, vif)) != NULL) {
+		mac80211_hwsim_tx_frame(hw, skb,
+				rcu_dereference(vif->chanctx_conf)->def.chan);
+	}
+
 	if (vif->csa_active && ieee80211_csa_is_complete(vif))
 		ieee80211_csa_finish(vif);
 }
@@ -2804,6 +2809,9 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
 	ieee80211_hw_set(hw, MFP_CAPABLE);
 	ieee80211_hw_set(hw, SIGNAL_DBM);
 	ieee80211_hw_set(hw, SUPPORTS_PS);
+	ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
+	ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
+	ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
 	ieee80211_hw_set(hw, TDLS_WIDER_BW);
 
 	/* We only have SW crypto and only implement the A-MPDU API
-- 
2.20.1