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

   1 From 5e69163d3b9931098922b3fc2f8e786af8c1f37e Mon Sep 17 00:00:00 2001
   2 From: Lorenzo Bianconi <lorenzo@kernel.org>
   3 Date: Tue, 13 Sep 2022 15:03:05 +0200
   4 Subject: [PATCH] net: ethernet: mtk_eth_soc: enable XDP support just for
   5  MT7986 SoC
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 Disable page_pool/XDP support for MT7621 SoC in order fix a regression
  11 introduce adding XDP for MT7986 SoC. There is no a real use case for XDP
  12 on MT7621 since it is a low-end cpu. Moreover this patch reduces the
  13 memory footprint.
  14
  15 Tested-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
  16 Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
  17 Fixes: 23233e577ef9 ("net: ethernet: mtk_eth_soc: rely on page_pool for single page buffers")
  18 Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
  19 Link: https://lore.kernel.org/r/2bf31e27b888c43228b0d84dd2ef5033338269e2.1663074002.git.lorenzo@kernel.org
  20 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  21 ---
  22  drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
  23  1 file changed, 1 insertion(+), 1 deletion(-)
  24
  25 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  26 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  27 @@ -1412,7 +1412,7 @@ static void mtk_update_rx_cpu_idx(struct
  28
  29  static bool mtk_page_pool_enabled(struct mtk_eth *eth)
  30  {
  31 -       return !eth->hwlro;
  32 +       return MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2);
  33  }
  34
  35  static struct page_pool *mtk_create_page_pool(struct mtk_eth *eth,