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From: Nick Hainke <vincent@systemli.org>
To: nbd@nbd.name, lorenzo.bianconi83@gmail.com,
	ryder.lee@mediatek.com, kvalo@codeaurora.org,
	davem@davemloft.net, kuba@kernel.org, matthias.bgg@gmail.com,
	sean.wang@mediatek.com, shayne.chen@mediatek.com,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Robert Foss <robert.foss@linaro.org>, Nick Hainke <vincent@systemli.org>
Subject: [RFC v2] mt76: mt7615: mt7622: fix ibss and meshpoint
Date: Fri,  8 Oct 2021 00:57:25 +0200	[thread overview]
Message-ID: <20211007225725.2615-1-vincent@systemli.org> (raw)

Fixes: d8d59f66d136 ("mt76: mt7615: support 16 interfaces").

commit 7f4b7920318b ("mt76: mt7615: add ibss support") introduced IBSS
and commit f4ec7fdf7f83 ("mt76: mt7615: enable support for mesh")
meshpoint support.

Both used in the "get_omac_idx"-function:

	if (~mask & BIT(HW_BSSID_0))
		return HW_BSSID_0;

With commit d8d59f66d136 ("mt76: mt7615: support 16 interfaces") the
ibss and meshpoint mode should "prefer hw bssid slot 1-3". However,
with that change the ibss or meshpoint mode will not send any beacon on
the mt7622 wifi anymore. Devices were still able to exchange data but
only if a bssid already existed. Two mt7622 devices will never be able
to communicate.

This commits reverts the preferation of slot 1-3 for ibss and
meshpoint. Only NL80211_IFTYPE_STATION will still prefer slot 1-3.

Tested on Banana Pi R64.

Signed-off-by: Nick Hainke <vincent@systemli.org>
---
 drivers/net/wireless/mediatek/mt76/mt7615/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index dada43d6d879..51260a669d16 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -135,8 +135,6 @@ static int get_omac_idx(enum nl80211_iftype type, u64 mask)
 	int i;
 
 	switch (type) {
-	case NL80211_IFTYPE_MESH_POINT:
-	case NL80211_IFTYPE_ADHOC:
 	case NL80211_IFTYPE_STATION:
 		/* prefer hw bssid slot 1-3 */
 		i = get_free_idx(mask, HW_BSSID_1, HW_BSSID_3);
@@ -160,6 +158,8 @@ static int get_omac_idx(enum nl80211_iftype type, u64 mask)
 			return HW_BSSID_0;
 
 		break;
+	case NL80211_IFTYPE_ADHOC:
+	case NL80211_IFTYPE_MESH_POINT:
 	case NL80211_IFTYPE_MONITOR:
 	case NL80211_IFTYPE_AP:
 		/* ap uses hw bssid 0 and ext bssid */
-- 
2.33.0


             reply	other threads:[~2021-10-07 22:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-07 22:57 Nick Hainke [this message]
2021-10-09  8:32 ` [RFC v2] mt76: mt7615: mt7622: fix ibss and meshpoint Kalle Valo
2021-10-09 10:37   ` Nick
2021-10-09 13:22     ` Daniel Golle
2021-10-11  9:12       ` Nick
2021-10-17 12:28       ` Aw: " Frank Wunderlich
2021-10-17 13:52         ` Daniel Golle
2021-10-18 10:11           ` Nick
2021-10-18 10:13             ` Nick
2021-10-18 10:16   ` Felix Fietkau
2021-10-19  7:19     ` Kalle Valo
2021-10-23  7:30 ` [RFC,v2] " Kalle Valo

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