openwrt/target/linux/generic/backport-5.15/712-v6.0-net-ethernet-mtk_eth_soc-enable-XDP-support-just-for.patch

From 5e69163d3b9931098922b3fc2f8e786af8c1f37e Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <[email protected]>
Date: Tue, 13 Sep 2022 15:03:05 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: enable XDP support just for
 MT7986 SoC
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Disable page_pool/XDP support for MT7621 SoC in order fix a regression
introduce adding XDP for MT7986 SoC. There is no a real use case for XDP
on MT7621 since it is a low-end cpu. Moreover this patch reduces the
memory footprint.

Tested-by: Sergio Paracuellos <[email protected]>
Tested-by: Arınç ÜNAL <[email protected]>
Fixes: 23233e577ef9 ("net: ethernet: mtk_eth_soc: rely on page_pool for single page buffers")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://lore.kernel.org/r/2bf31e27b888c43228b0d84dd2ef5033338269e2.1663074002.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <[email protected]>
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1412,7 +1412,7 @@ static void mtk_update_rx_cpu_idx(struct
 
 static bool mtk_page_pool_enabled(struct mtk_eth *eth)
 {
-	return !eth->hwlro;
+	return MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2);
 }
 
 static struct page_pool *mtk_create_page_pool(struct mtk_eth *eth,