diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/target/linux/generic/pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch b/target/linux/generic/pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch deleted file mode 100644 index 2d95c402dc..0000000000 --- a/target/linux/generic/pending-5.15/733-02-net-ethernet-mtk_eth_soc-fix-RX-data-corruption-issu.patch +++ /dev/null @@ -1,46 +0,0 @@ -From e0eb504b1c9f973427a33d7ffef29ddecdb464b9 Mon Sep 17 00:00:00 2001 -From: Daniel Golle <daniel@makrotopia.org> -Date: Mon, 23 Jan 2023 00:56:02 +0000 -Subject: [PATCH] net: ethernet: mtk_eth_soc: fix RX data corruption issue -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Also set bit 12 when setting up MAC MCR, as MediaTek SDK did the same -change stating: -"If without this patch, kernel might receive invalid packets that are -corrupted by GMAC."[1] -This fixes issues with <= 1G speed where we could previously observe -about 30% packet loss while the bad packet counter was increasing. -Unfortunately the meaning of bit 12 is not documented anywhere in SDK -code or datasheets. - -[1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/d8a2975939a12686c4a95c40db21efdc3f821f63 -Tested-by: Bjørn Mork <bjorn@mork.no> -Signed-off-by: Daniel Golle <daniel@makrotopia.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- - drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + - 2 files changed, 2 insertions(+), 1 deletion(-) - ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -528,7 +528,7 @@ static int mtk_mac_finish(struct phylink - /* Setup gmac */ - mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); - mcr_new = mcr_cur; -- mcr_new |= MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE | -+ mcr_new |= MAC_MCR_IPG_CFG | MAC_MCR_BIT_12 | MAC_MCR_FORCE_MODE | - MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK; - - /* Only update control register when needed! */ ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -392,6 +392,7 @@ - #define MAC_MCR_FORCE_MODE BIT(15) - #define MAC_MCR_TX_EN BIT(14) - #define MAC_MCR_RX_EN BIT(13) -+#define MAC_MCR_BIT_12 BIT(12) - #define MAC_MCR_BACKOFF_EN BIT(9) - #define MAC_MCR_BACKPR_EN BIT(8) - #define MAC_MCR_FORCE_RX_FC BIT(5) |