From 017aea00164edca28b87910ef725a18262bac1b2 Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Wed, 7 Sep 2022 03:50:42 +0100 Subject: [PATCH] kernel: mtk_eth_soc: fix hw hash reporting for MT7986 Import patch from Linux 6.0. Signed-off-by: Daniel Golle --- ..._eth_soc-fix-hw-hash-reporting-for-M.patch | 74 +++++++++++++++++++ ...net-mtk_eth_soc-enable-threaded-NAPI.patch | 6 +- ...mediatek-add-flow-offload-for-mt7623.patch | 2 +- ..._eth_soc-implement-Clause-45-MDIO-ac.patch | 2 +- ...ethernet-mediatek-support-net-labels.patch | 4 +- ...y-simplify-phy_link_change-arguments.patch | 2 +- 6 files changed, 82 insertions(+), 8 deletions(-) create mode 100644 target/linux/generic/backport-5.15/710-v6.0-net-ethernet-mtk_eth_soc-fix-hw-hash-reporting-for-M.patch diff --git a/target/linux/generic/backport-5.15/710-v6.0-net-ethernet-mtk_eth_soc-fix-hw-hash-reporting-for-M.patch b/target/linux/generic/backport-5.15/710-v6.0-net-ethernet-mtk_eth_soc-fix-hw-hash-reporting-for-M.patch new file mode 100644 index 000000000000..87941ef766a4 --- /dev/null +++ b/target/linux/generic/backport-5.15/710-v6.0-net-ethernet-mtk_eth_soc-fix-hw-hash-reporting-for-M.patch @@ -0,0 +1,74 @@ +From 0cf731f9ebb5bf6f252055bebf4463a5c0bd490b Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi +Date: Tue, 23 Aug 2022 14:24:07 +0200 +Subject: [PATCH] net: ethernet: mtk_eth_soc: fix hw hash reporting for + MTK_NETSYS_V2 + +Properly report hw rx hash for mt7986 chipset accroding to the new dma +descriptor layout. + +Fixes: 197c9e9b17b11 ("net: ethernet: mtk_eth_soc: introduce support for mt7986 chipset") +Signed-off-by: Lorenzo Bianconi +Link: https://lore.kernel.org/r/091394ea4e705fbb35f828011d98d0ba33808f69.1661257293.git.lorenzo@kernel.org +Signed-off-by: Paolo Abeni +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 22 +++++++++++---------- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 5 +++++ + 2 files changed, 17 insertions(+), 10 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1469,10 +1469,19 @@ static int mtk_poll_rx(struct napi_struc + skb->dev = netdev; + skb_put(skb, pktlen); + +- if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) ++ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { ++ hash = trxd.rxd5 & MTK_RXD5_FOE_ENTRY; ++ if (hash != MTK_RXD5_FOE_ENTRY) ++ skb_set_hash(skb, jhash_1word(hash, 0), ++ PKT_HASH_TYPE_L4); + rxdcsum = &trxd.rxd3; +- else ++ } else { ++ hash = trxd.rxd4 & MTK_RXD4_FOE_ENTRY; ++ if (hash != MTK_RXD4_FOE_ENTRY) ++ skb_set_hash(skb, jhash_1word(hash, 0), ++ PKT_HASH_TYPE_L4); + rxdcsum = &trxd.rxd4; ++ } + + if (*rxdcsum & eth->soc->txrx.rx_dma_l4_valid) + skb->ip_summed = CHECKSUM_UNNECESSARY; +@@ -1481,16 +1490,9 @@ static int mtk_poll_rx(struct napi_struc + skb->protocol = eth_type_trans(skb, netdev); + bytes += pktlen; + +- hash = trxd.rxd4 & MTK_RXD4_FOE_ENTRY; +- if (hash != MTK_RXD4_FOE_ENTRY) { +- hash = jhash_1word(hash, 0); +- skb_set_hash(skb, hash, PKT_HASH_TYPE_L4); +- } +- + reason = FIELD_GET(MTK_RXD4_PPE_CPU_REASON, trxd.rxd4); + if (reason == MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED) +- mtk_ppe_check_skb(eth->ppe, skb, +- trxd.rxd4 & MTK_RXD4_FOE_ENTRY); ++ mtk_ppe_check_skb(eth->ppe, skb, hash); + + if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) { + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -307,6 +307,11 @@ + #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ + #define RX_DMA_SPECIAL_TAG BIT(22) + ++/* PDMA descriptor rxd5 */ ++#define MTK_RXD5_FOE_ENTRY GENMASK(14, 0) ++#define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18) ++#define MTK_RXD5_SRC_PORT GENMASK(29, 26) ++ + #define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0xf) + #define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0x7) + diff --git a/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch b/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch index e3e338bd4ffc..298122375fd3 100644 --- a/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch +++ b/target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch @@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -2381,8 +2381,8 @@ static irqreturn_t mtk_handle_irq_rx(int +@@ -2383,8 +2383,8 @@ static irqreturn_t mtk_handle_irq_rx(int eth->rx_events++; if (likely(napi_schedule_prep(ð->rx_napi))) { @@ -20,7 +20,7 @@ Signed-off-by: Felix Fietkau } return IRQ_HANDLED; -@@ -2394,8 +2394,8 @@ static irqreturn_t mtk_handle_irq_tx(int +@@ -2396,8 +2396,8 @@ static irqreturn_t mtk_handle_irq_tx(int eth->tx_events++; if (likely(napi_schedule_prep(ð->tx_napi))) { @@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau } return IRQ_HANDLED; -@@ -3585,6 +3585,8 @@ static int mtk_probe(struct platform_dev +@@ -3587,6 +3587,8 @@ static int mtk_probe(struct platform_dev * for NAPI to work */ init_dummy_netdev(ð->dummy_dev); diff --git a/target/linux/mediatek/patches-5.15/510-net-mediatek-add-flow-offload-for-mt7623.patch b/target/linux/mediatek/patches-5.15/510-net-mediatek-add-flow-offload-for-mt7623.patch index 4c0d1001e0fc..9b0d411bbace 100644 --- a/target/linux/mediatek/patches-5.15/510-net-mediatek-add-flow-offload-for-mt7623.patch +++ b/target/linux/mediatek/patches-5.15/510-net-mediatek-add-flow-offload-for-mt7623.patch @@ -14,7 +14,7 @@ Signed-off-by: Frank Wunderlich --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -3637,6 +3637,7 @@ static const struct mtk_soc_data mt2701_ +@@ -3639,6 +3639,7 @@ static const struct mtk_soc_data mt2701_ .hw_features = MTK_HW_FEATURES, .required_clks = MT7623_CLKS_BITMAP, .required_pctl = true, diff --git a/target/linux/mediatek/patches-5.15/703-v5.17-net-ethernet-mtk_eth_soc-implement-Clause-45-MDIO-ac.patch b/target/linux/mediatek/patches-5.15/703-v5.17-net-ethernet-mtk_eth_soc-implement-Clause-45-MDIO-ac.patch index de1079ffae51..754478770163 100644 --- a/target/linux/mediatek/patches-5.15/703-v5.17-net-ethernet-mtk_eth_soc-implement-Clause-45-MDIO-ac.patch +++ b/target/linux/mediatek/patches-5.15/703-v5.17-net-ethernet-mtk_eth_soc-implement-Clause-45-MDIO-ac.patch @@ -113,7 +113,7 @@ Signed-off-by: David S. Miller --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -322,9 +322,12 @@ +@@ -327,9 +327,12 @@ #define PHY_IAC_ADDR_MASK GENMASK(24, 20) #define PHY_IAC_ADDR(x) FIELD_PREP(PHY_IAC_ADDR_MASK, (x)) #define PHY_IAC_CMD_MASK GENMASK(19, 18) diff --git a/target/linux/ramips/patches-5.15/700-net-ethernet-mediatek-support-net-labels.patch b/target/linux/ramips/patches-5.15/700-net-ethernet-mediatek-support-net-labels.patch index 8a39c81e0177..43526f3c4a76 100644 --- a/target/linux/ramips/patches-5.15/700-net-ethernet-mediatek-support-net-labels.patch +++ b/target/linux/ramips/patches-5.15/700-net-ethernet-mediatek-support-net-labels.patch @@ -14,7 +14,7 @@ Signed-off-by: René van Dorst --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -3228,6 +3228,7 @@ static const struct net_device_ops mtk_n +@@ -3230,6 +3230,7 @@ static const struct net_device_ops mtk_n static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) { @@ -22,7 +22,7 @@ Signed-off-by: René van Dorst const __be32 *_id = of_get_property(np, "reg", NULL); phy_interface_t phy_mode; struct phylink *phylink; -@@ -3347,6 +3348,9 @@ static int mtk_add_mac(struct mtk_eth *e +@@ -3349,6 +3350,9 @@ static int mtk_add_mac(struct mtk_eth *e else eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH_2K - MTK_RX_ETH_HLEN; diff --git a/target/linux/ramips/patches-5.15/720-Revert-net-phy-simplify-phy_link_change-arguments.patch b/target/linux/ramips/patches-5.15/720-Revert-net-phy-simplify-phy_link_change-arguments.patch index 063b317fd5ce..94e99da015e1 100644 --- a/target/linux/ramips/patches-5.15/720-Revert-net-phy-simplify-phy_link_change-arguments.patch +++ b/target/linux/ramips/patches-5.15/720-Revert-net-phy-simplify-phy_link_change-arguments.patch @@ -95,7 +95,7 @@ still required by target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c phydev->mii_ts->link_state(phydev->mii_ts, phydev); --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c -@@ -1315,7 +1315,8 @@ void phylink_destroy(struct phylink *pl) +@@ -1323,7 +1323,8 @@ void phylink_destroy(struct phylink *pl) } EXPORT_SYMBOL_GPL(phylink_destroy); -- 2.30.2