diff options
author | Daniel Golle <daniel@makrotopia.org> | 2023-08-26 02:19:18 +0100 |
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committer | Daniel Golle <daniel@makrotopia.org> | 2023-09-04 23:00:34 +0100 |
commit | 625d19c1e2d0aebcd69b73062afc76ae9f4456b4 (patch) | |
tree | e53ea91535d69109871be407a7c505d9a8927862 /target/linux/generic/backport-5.15/750-v6.5-08-net-ethernet-mtk_eth_soc-add-NETSYS_V3-version-suppo.patch | |
parent | 230c09d2034995540aaec920466eb25387173e56 (diff) | |
download | upstream-625d19c1e2d0aebcd69b73062afc76ae9f4456b4.tar.gz upstream-625d19c1e2d0aebcd69b73062afc76ae9f4456b4.tar.bz2 upstream-625d19c1e2d0aebcd69b73062afc76ae9f4456b4.zip |
generic: sync MediaTek Ethernet driver with upstream
Import commits from upstream Linux replacing some downstream patches.
Move accepted patches from pending-{5.15,6.1} to backport-{5.15,6.1}.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit f631c7bbb16f1d39d59c4cdf3f7189abab4fd9c6)
Diffstat (limited to 'target/linux/generic/backport-5.15/750-v6.5-08-net-ethernet-mtk_eth_soc-add-NETSYS_V3-version-suppo.patch')
-rw-r--r-- | target/linux/generic/backport-5.15/750-v6.5-08-net-ethernet-mtk_eth_soc-add-NETSYS_V3-version-suppo.patch | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/750-v6.5-08-net-ethernet-mtk_eth_soc-add-NETSYS_V3-version-suppo.patch b/target/linux/generic/backport-5.15/750-v6.5-08-net-ethernet-mtk_eth_soc-add-NETSYS_V3-version-suppo.patch new file mode 100644 index 0000000000..09f59c291c --- /dev/null +++ b/target/linux/generic/backport-5.15/750-v6.5-08-net-ethernet-mtk_eth_soc-add-NETSYS_V3-version-suppo.patch @@ -0,0 +1,307 @@ +From a41d535855976838d246c079143c948dcf0f7931 Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Tue, 25 Jul 2023 01:52:59 +0100 +Subject: [PATCH 102/250] net: ethernet: mtk_eth_soc: add NETSYS_V3 version + support + +Introduce NETSYS_V3 chipset version support. +This is a preliminary patch to introduce support for MT7988 SoC. + +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +Link: https://lore.kernel.org/r/0db2260910755d76fa48e303b9f9bdf4e5a82340.1690246066.git.daniel@makrotopia.org +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 105 ++++++++++++++------ + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 48 +++++++-- + 2 files changed, 116 insertions(+), 37 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -818,17 +818,32 @@ void mtk_stats_update_mac(struct mtk_mac + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x20 + offs); + hw_stats->rx_flow_control_packets += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x24 + offs); +- hw_stats->tx_skip += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); +- hw_stats->tx_collisions += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); +- hw_stats->tx_bytes += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); +- stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); +- if (stats) +- hw_stats->tx_bytes += (stats << 32); +- hw_stats->tx_packets += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); ++ ++ if (mtk_is_netsys_v3_or_greater(eth)) { ++ hw_stats->tx_skip += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x50 + offs); ++ hw_stats->tx_collisions += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x54 + offs); ++ hw_stats->tx_bytes += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x40 + offs); ++ stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x44 + offs); ++ if (stats) ++ hw_stats->tx_bytes += (stats << 32); ++ hw_stats->tx_packets += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x48 + offs); ++ } else { ++ hw_stats->tx_skip += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); ++ hw_stats->tx_collisions += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); ++ hw_stats->tx_bytes += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); ++ stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); ++ if (stats) ++ hw_stats->tx_bytes += (stats << 32); ++ hw_stats->tx_packets += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); ++ } + } + + u64_stats_update_end(&hw_stats->syncp); +@@ -1130,7 +1145,10 @@ static void mtk_tx_set_dma_desc_v2(struc + data |= TX_DMA_LS0; + WRITE_ONCE(desc->txd3, data); + +- data = (mac->id + 1) << TX_DMA_FPORT_SHIFT_V2; /* forward port */ ++ if (mac->id == MTK_GMAC3_ID) ++ data = PSE_GDM3_PORT; ++ else ++ data = (mac->id + 1) << TX_DMA_FPORT_SHIFT_V2; /* forward port */ + data |= TX_DMA_SWC_V2 | QID_BITS_V2(info->qid); + WRITE_ONCE(desc->txd4, data); + +@@ -1141,6 +1159,8 @@ static void mtk_tx_set_dma_desc_v2(struc + /* tx checksum offload */ + if (info->csum) + data |= TX_DMA_CHKSUM_V2; ++ if (mtk_is_netsys_v3_or_greater(eth) && netdev_uses_dsa(dev)) ++ data |= TX_DMA_SPTAG_V3; + } + WRITE_ONCE(desc->txd5, data); + +@@ -1206,8 +1226,7 @@ static int mtk_tx_map(struct sk_buff *sk + mtk_tx_set_dma_desc(dev, itxd, &txd_info); + + itx_buf->flags |= MTK_TX_FLAGS_SINGLE0; +- itx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : +- MTK_TX_FLAGS_FPORT1; ++ itx_buf->mac_id = mac->id; + setup_tx_buf(eth, itx_buf, itxd_pdma, txd_info.addr, txd_info.size, + k++); + +@@ -1255,8 +1274,7 @@ static int mtk_tx_map(struct sk_buff *sk + memset(tx_buf, 0, sizeof(*tx_buf)); + tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; + tx_buf->flags |= MTK_TX_FLAGS_PAGE0; +- tx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : +- MTK_TX_FLAGS_FPORT1; ++ tx_buf->mac_id = mac->id; + + setup_tx_buf(eth, tx_buf, txd_pdma, txd_info.addr, + txd_info.size, k++); +@@ -1558,7 +1576,7 @@ static int mtk_xdp_frame_map(struct mtk_ + } + mtk_tx_set_dma_desc(dev, txd, txd_info); + +- tx_buf->flags |= !mac->id ? MTK_TX_FLAGS_FPORT0 : MTK_TX_FLAGS_FPORT1; ++ tx_buf->mac_id = mac->id; + tx_buf->type = dma_map ? MTK_TYPE_XDP_NDO : MTK_TYPE_XDP_TX; + tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; + +@@ -1806,11 +1824,24 @@ static int mtk_poll_rx(struct napi_struc + break; + + /* find out which mac the packet come from. values start at 1 */ +- if (mtk_is_netsys_v2_or_greater(eth)) +- mac = RX_DMA_GET_SPORT_V2(trxd.rxd5) - 1; +- else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && +- !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) ++ if (mtk_is_netsys_v2_or_greater(eth)) { ++ u32 val = RX_DMA_GET_SPORT_V2(trxd.rxd5); ++ ++ switch (val) { ++ case PSE_GDM1_PORT: ++ case PSE_GDM2_PORT: ++ mac = val - 1; ++ break; ++ case PSE_GDM3_PORT: ++ mac = MTK_GMAC3_ID; ++ break; ++ default: ++ break; ++ } ++ } else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && ++ !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) { + mac = RX_DMA_GET_SPORT(trxd.rxd4) - 1; ++ } + + if (unlikely(mac < 0 || mac >= MTK_MAX_DEVS || + !eth->netdev[mac])) +@@ -2030,7 +2061,6 @@ static int mtk_poll_tx_qdma(struct mtk_e + + while ((cpu != dma) && budget) { + u32 next_cpu = desc->txd2; +- int mac = 0; + + desc = mtk_qdma_phys_to_virt(ring, desc->txd2); + if ((desc->txd3 & TX_DMA_OWNER_CPU) == 0) +@@ -2038,15 +2068,13 @@ static int mtk_poll_tx_qdma(struct mtk_e + + tx_buf = mtk_desc_to_tx_buf(ring, desc, + eth->soc->txrx.txd_size); +- if (tx_buf->flags & MTK_TX_FLAGS_FPORT1) +- mac = 1; +- + if (!tx_buf->data) + break; + + if (tx_buf->data != (void *)MTK_DMA_DUMMY_DESC) { + if (tx_buf->type == MTK_TYPE_SKB) +- mtk_poll_tx_done(eth, state, mac, tx_buf->data); ++ mtk_poll_tx_done(eth, state, tx_buf->mac_id, ++ tx_buf->data); + + budget--; + } +@@ -3648,7 +3676,24 @@ static int mtk_hw_init(struct mtk_eth *e + mtk_w32(eth, eth->soc->txrx.rx_irq_done_mask, reg_map->qdma.int_grp + 4); + mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); + +- if (mtk_is_netsys_v2_or_greater(eth)) { ++ if (mtk_is_netsys_v3_or_greater(eth)) { ++ /* PSE should not drop port1, port8 and port9 packets */ ++ mtk_w32(eth, 0x00000302, PSE_DROP_CFG); ++ ++ /* GDM and CDM Threshold */ ++ mtk_w32(eth, 0x00000707, MTK_CDMW0_THRES); ++ mtk_w32(eth, 0x00000077, MTK_CDMW1_THRES); ++ ++ /* Disable GDM1 RX CRC stripping */ ++ mtk_m32(eth, MTK_GDMA_STRP_CRC, 0, MTK_GDMA_FWD_CFG(0)); ++ ++ /* PSE GDM3 MIB counter has incorrect hw default values, ++ * so the driver ought to read clear the values beforehand ++ * in case ethtool retrieve wrong mib values. ++ */ ++ for (i = 0; i < 0x80; i += 0x4) ++ mtk_r32(eth, reg_map->gdm1_cnt + 0x100 + i); ++ } else if (!mtk_is_netsys_v1(eth)) { + /* PSE should not drop port8 and port9 packets from WDMA Tx */ + mtk_w32(eth, 0x00000300, PSE_DROP_CFG); + +@@ -4210,7 +4255,11 @@ static int mtk_add_mac(struct mtk_eth *e + } + spin_lock_init(&mac->hw_stats->stats_lock); + u64_stats_init(&mac->hw_stats->syncp); +- mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; ++ ++ if (mtk_is_netsys_v3_or_greater(eth)) ++ mac->hw_stats->reg_offset = id * 0x80; ++ else ++ mac->hw_stats->reg_offset = id * 0x40; + + /* phylink create */ + err = of_get_phy_mode(np, &phy_mode); +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -122,6 +122,7 @@ + #define MTK_GDMA_ICS_EN BIT(22) + #define MTK_GDMA_TCS_EN BIT(21) + #define MTK_GDMA_UCS_EN BIT(20) ++#define MTK_GDMA_STRP_CRC BIT(16) + #define MTK_GDMA_TO_PDMA 0x0 + #define MTK_GDMA_DROP_ALL 0x7777 + +@@ -287,8 +288,6 @@ + /* QDMA Interrupt grouping registers */ + #define MTK_RLS_DONE_INT BIT(0) + +-#define MTK_STAT_OFFSET 0x40 +- + /* QDMA TX NUM */ + #define QID_BITS_V2(x) (((x) & 0x3f) << 16) + #define MTK_QDMA_GMAC2_QID 8 +@@ -301,6 +300,8 @@ + #define TX_DMA_CHKSUM_V2 (0x7 << 28) + #define TX_DMA_TSO_V2 BIT(31) + ++#define TX_DMA_SPTAG_V3 BIT(27) ++ + /* QDMA V2 descriptor txd4 */ + #define TX_DMA_FPORT_SHIFT_V2 8 + #define TX_DMA_FPORT_MASK_V2 0xf +@@ -631,12 +632,6 @@ enum mtk_tx_flags { + */ + MTK_TX_FLAGS_SINGLE0 = 0x01, + MTK_TX_FLAGS_PAGE0 = 0x02, +- +- /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted +- * SKB out instead of looking up through hardware TX descriptor. +- */ +- MTK_TX_FLAGS_FPORT0 = 0x04, +- MTK_TX_FLAGS_FPORT1 = 0x08, + }; + + /* This enum allows us to identify how the clock is defined on the array of the +@@ -722,6 +717,35 @@ enum mtk_dev_state { + MTK_RESETTING + }; + ++/* PSE Port Definition */ ++enum mtk_pse_port { ++ PSE_ADMA_PORT = 0, ++ PSE_GDM1_PORT, ++ PSE_GDM2_PORT, ++ PSE_PPE0_PORT, ++ PSE_PPE1_PORT, ++ PSE_QDMA_TX_PORT, ++ PSE_QDMA_RX_PORT, ++ PSE_DROP_PORT, ++ PSE_WDMA0_PORT, ++ PSE_WDMA1_PORT, ++ PSE_TDMA_PORT, ++ PSE_NONE_PORT, ++ PSE_PPE2_PORT, ++ PSE_WDMA2_PORT, ++ PSE_EIP197_PORT, ++ PSE_GDM3_PORT, ++ PSE_PORT_MAX ++}; ++ ++/* GMAC Identifier */ ++enum mtk_gmac_id { ++ MTK_GMAC1_ID = 0, ++ MTK_GMAC2_ID, ++ MTK_GMAC3_ID, ++ MTK_GMAC_ID_MAX ++}; ++ + enum mtk_tx_buf_type { + MTK_TYPE_SKB, + MTK_TYPE_XDP_TX, +@@ -740,7 +764,8 @@ struct mtk_tx_buf { + enum mtk_tx_buf_type type; + void *data; + +- u32 flags; ++ u16 mac_id; ++ u16 flags; + DEFINE_DMA_UNMAP_ADDR(dma_addr0); + DEFINE_DMA_UNMAP_LEN(dma_len0); + DEFINE_DMA_UNMAP_ADDR(dma_addr1); +@@ -1189,6 +1214,11 @@ static inline bool mtk_is_netsys_v2_or_g + return eth->soc->version > 1; + } + ++static inline bool mtk_is_netsys_v3_or_greater(struct mtk_eth *eth) ++{ ++ return eth->soc->version > 2; ++} ++ + static inline struct mtk_foe_entry * + mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash) + { |