From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Date: Thu, 6 Sep 2018 09:18:33 +0000 (+0200)
Subject: mt76x0: set max fragments size
X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~4189^2~198^2~28^2~52
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=c6687464080608279260380142b45c0c0b88420e;p=mirror_ubuntu-focal-kernel.git

mt76x0: set max fragments size

Set maximum number of tx fragments according to usb controller
features

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
index 33730c93c63f..cd7cdf3d9731 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
@@ -722,6 +722,12 @@ int mt76x0_register_device(struct mt76x0_dev *dev)
 	if (ret)
 		return ret;
 
+	/* check hw sg support in order to enable AMSDU */
+	if (mt76u_check_sg(&dev->mt76))
+		hw->max_tx_fragments = MT_SG_MAX_SIZE;
+	else
+		hw->max_tx_fragments = 1;
+
 	mt76x0_init_debugfs(dev);
 
 	return 0;