diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/net/ethernet/stmicro | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro')
37 files changed, 739 insertions, 594 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index 25f2d42de4..85dcda51df 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -239,6 +239,17 @@ config DWMAC_INTEL_PLAT the stmmac device driver. This driver is used for the Intel Keem Bay SoC. +config DWMAC_LOONGSON1 + tristate "Loongson1 GMAC support" + default MACH_LOONGSON32 + depends on OF && (MACH_LOONGSON32 || COMPILE_TEST) + help + Support for ethernet controller on Loongson1 SoC. + + This selects Loongson1 SoC glue layer support for the stmmac + device driver. This driver is used for Loongson1-based boards + like Loongson LS1B/LS1C. + config DWMAC_TEGRA tristate "NVIDIA Tegra MGBE support" depends on ARCH_TEGRA || COMPILE_TEST diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile index 5b57aee192..80e598bd42 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_DWMAC_SUNXI) += dwmac-sunxi.o obj-$(CONFIG_DWMAC_SUN8I) += dwmac-sun8i.o obj-$(CONFIG_DWMAC_DWC_QOS_ETH) += dwmac-dwc-qos-eth.o obj-$(CONFIG_DWMAC_INTEL_PLAT) += dwmac-intel-plat.o +obj-$(CONFIG_DWMAC_LOONGSON1) += dwmac-loongson1.o obj-$(CONFIG_DWMAC_GENERIC) += dwmac-generic.o obj-$(CONFIG_DWMAC_IMX8) += dwmac-imx.o obj-$(CONFIG_DWMAC_TEGRA) += dwmac-tegra.o diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 1e996c2904..c75c64a938 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -59,28 +59,51 @@ #undef FRAME_FILTER_DEBUG /* #define FRAME_FILTER_DEBUG */ +struct stmmac_q_tx_stats { + u64_stats_t tx_bytes; + u64_stats_t tx_set_ic_bit; + u64_stats_t tx_tso_frames; + u64_stats_t tx_tso_nfrags; +}; + +struct stmmac_napi_tx_stats { + u64_stats_t tx_packets; + u64_stats_t tx_pkt_n; + u64_stats_t poll; + u64_stats_t tx_clean; + u64_stats_t tx_set_ic_bit; +}; + struct stmmac_txq_stats { - u64 tx_bytes; - u64 tx_packets; - u64 tx_pkt_n; - u64 tx_normal_irq_n; - u64 napi_poll; - u64 tx_clean; - u64 tx_set_ic_bit; - u64 tx_tso_frames; - u64 tx_tso_nfrags; - struct u64_stats_sync syncp; + /* Updates protected by tx queue lock. */ + struct u64_stats_sync q_syncp; + struct stmmac_q_tx_stats q; + + /* Updates protected by NAPI poll logic. */ + struct u64_stats_sync napi_syncp; + struct stmmac_napi_tx_stats napi; } ____cacheline_aligned_in_smp; +struct stmmac_napi_rx_stats { + u64_stats_t rx_bytes; + u64_stats_t rx_packets; + u64_stats_t rx_pkt_n; + u64_stats_t poll; +}; + struct stmmac_rxq_stats { - u64 rx_bytes; - u64 rx_packets; - u64 rx_pkt_n; - u64 rx_normal_irq_n; - u64 napi_poll; - struct u64_stats_sync syncp; + /* Updates protected by NAPI poll logic. */ + struct u64_stats_sync napi_syncp; + struct stmmac_napi_rx_stats napi; } ____cacheline_aligned_in_smp; +/* Updates on each CPU protected by not allowing nested irqs. */ +struct stmmac_pcpu_stats { + struct u64_stats_sync syncp; + u64_stats_t rx_normal_irq_n[MTL_MAX_TX_QUEUES]; + u64_stats_t tx_normal_irq_n[MTL_MAX_RX_QUEUES]; +}; + /* Extra statistic and debug information exposed by ethtool */ struct stmmac_extra_stats { /* Transmit errors */ @@ -205,6 +228,7 @@ struct stmmac_extra_stats { /* per queue statistics */ struct stmmac_txq_stats txq_stats[MTL_MAX_TX_QUEUES]; struct stmmac_rxq_stats rxq_stats[MTL_MAX_RX_QUEUES]; + struct stmmac_pcpu_stats __percpu *pcpu_stats; unsigned long rx_dropped; unsigned long rx_errors; unsigned long tx_dropped; @@ -216,6 +240,7 @@ struct stmmac_safety_stats { unsigned long mac_errors[32]; unsigned long mtl_errors[32]; unsigned long dma_errors[32]; + unsigned long dma_dpp_errors[32]; }; /* Number of fields in Safety Stats */ @@ -293,7 +318,7 @@ struct stmmac_safety_stats { #define MIN_DMA_RIWT 0x10 #define DEF_DMA_RIWT 0xa0 /* Tx coalesce parameters */ -#define STMMAC_COAL_TX_TIMER 1000 +#define STMMAC_COAL_TX_TIMER 5000 #define STMMAC_MAX_COAL_TX_TICK 100000 #define STMMAC_TX_MAX_FRAMES 256 #define STMMAC_TX_FRAMES 25 diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c index 58a7f08e8d..643ee6d8d4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c @@ -115,7 +115,7 @@ static int anarion_dwmac_probe(struct platform_device *pdev) if (IS_ERR(gmac)) return PTR_ERR(gmac); - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); @@ -124,13 +124,7 @@ static int anarion_dwmac_probe(struct platform_device *pdev) anarion_gmac_init(pdev, gmac); plat_dat->bsp_priv = gmac; - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) { - stmmac_remove_config_dt(pdev, plat_dat); - return ret; - } - - return 0; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } static const struct of_device_id anarion_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c index 61ebf36da1..ec924c6c76 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c @@ -435,15 +435,14 @@ static int dwc_eth_dwmac_probe(struct platform_device *pdev) if (IS_ERR(stmmac_res.addr)) return PTR_ERR(stmmac_res.addr); - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); ret = data->probe(pdev, plat_dat, &stmmac_res); if (ret < 0) { dev_err_probe(&pdev->dev, ret, "failed to probe subdriver\n"); - - goto remove_config; + return ret; } ret = dwc_eth_dwmac_config_dt(pdev, plat_dat); @@ -458,25 +457,17 @@ static int dwc_eth_dwmac_probe(struct platform_device *pdev) remove: data->remove(pdev); -remove_config: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } static void dwc_eth_dwmac_remove(struct platform_device *pdev) { - struct net_device *ndev = platform_get_drvdata(pdev); - struct stmmac_priv *priv = netdev_priv(ndev); - const struct dwc_eth_dwmac_data *data; - - data = device_get_match_data(&pdev->dev); + const struct dwc_eth_dwmac_data *data = device_get_match_data(&pdev->dev); stmmac_dvr_remove(&pdev->dev); data->remove(pdev); - - stmmac_remove_config_dt(pdev, priv->plat); } static const struct of_device_id dwc_eth_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c index 20fc455b33..598eff9268 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c @@ -27,7 +27,7 @@ static int dwmac_generic_probe(struct platform_device *pdev) return ret; if (pdev->dev.of_node) { - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) { dev_err(&pdev->dev, "dt configuration failed\n"); return PTR_ERR(plat_dat); @@ -46,17 +46,7 @@ static int dwmac_generic_probe(struct platform_device *pdev) plat_dat->unicast_filter_entries = 1; } - ret = stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res); - if (ret) - goto err_remove_config_dt; - - return 0; - -err_remove_config_dt: - if (pdev->dev.of_node) - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; + return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res); } static const struct of_device_id dwmac_generic_match[] = { @@ -77,7 +67,6 @@ MODULE_DEVICE_TABLE(of, dwmac_generic_match); static struct platform_driver dwmac_generic_driver = { .probe = dwmac_generic_probe, - .remove_new = stmmac_pltfr_remove, .driver = { .name = STMMAC_RESOURCE_NAME, .pm = &stmmac_pltfr_pm_ops, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c index df34e34cc1..8f730ada71 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -331,15 +331,14 @@ static int imx_dwmac_probe(struct platform_device *pdev) if (!dwmac) return -ENOMEM; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); data = of_device_get_match_data(&pdev->dev); if (!data) { dev_err(&pdev->dev, "failed to get match data\n"); - ret = -EINVAL; - goto err_match_data; + return -EINVAL; } dwmac->ops = data; @@ -348,7 +347,7 @@ static int imx_dwmac_probe(struct platform_device *pdev) ret = imx_dwmac_parse_dt(dwmac, &pdev->dev); if (ret) { dev_err(&pdev->dev, "failed to parse OF data\n"); - goto err_parse_dt; + return ret; } if (data->flags & STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY) @@ -365,7 +364,7 @@ static int imx_dwmac_probe(struct platform_device *pdev) ret = imx_dwmac_clks_config(dwmac, true); if (ret) - goto err_clks_config; + return ret; ret = imx_dwmac_init(pdev, dwmac); if (ret) @@ -385,10 +384,6 @@ err_drv_probe: imx_dwmac_exit(pdev, plat_dat->bsp_priv); err_dwmac_init: imx_dwmac_clks_config(dwmac, false); -err_clks_config: -err_parse_dt: -err_match_data: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c index 0a20c3d247..19c93b998f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ingenic.c @@ -241,29 +241,25 @@ static int ingenic_mac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); mac = devm_kzalloc(&pdev->dev, sizeof(*mac), GFP_KERNEL); - if (!mac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!mac) + return -ENOMEM; data = of_device_get_match_data(&pdev->dev); if (!data) { dev_err(&pdev->dev, "No of match data provided\n"); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } /* Get MAC PHY control register */ mac->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "mode-reg"); if (IS_ERR(mac->regmap)) { dev_err(&pdev->dev, "%s: Failed to get syscon regmap\n", __func__); - ret = PTR_ERR(mac->regmap); - goto err_remove_config_dt; + return PTR_ERR(mac->regmap); } if (!of_property_read_u32(pdev->dev.of_node, "tx-clk-delay-ps", &tx_delay_ps)) { @@ -272,8 +268,7 @@ static int ingenic_mac_probe(struct platform_device *pdev) mac->tx_delay = tx_delay_ps * 1000; } else { dev_err(&pdev->dev, "Invalid TX clock delay: %dps\n", tx_delay_ps); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } } @@ -283,8 +278,7 @@ static int ingenic_mac_probe(struct platform_device *pdev) mac->rx_delay = rx_delay_ps * 1000; } else { dev_err(&pdev->dev, "Invalid RX clock delay: %dps\n", rx_delay_ps); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } } @@ -295,18 +289,9 @@ static int ingenic_mac_probe(struct platform_device *pdev) ret = ingenic_mac_init(plat_dat); if (ret) - goto err_remove_config_dt; - - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) - goto err_remove_config_dt; - - return 0; - -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); + return ret; - return ret; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c index d352a14f9d..d68f0c4e78 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c @@ -7,8 +7,8 @@ #include <linux/ethtool.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/stmmac.h> #include "dwmac4.h" @@ -76,7 +76,6 @@ static int intel_eth_plat_probe(struct platform_device *pdev) { struct plat_stmmacenet_data *plat_dat; struct stmmac_resources stmmac_res; - const struct of_device_id *match; struct intel_dwmac *dwmac; unsigned long rate; int ret; @@ -85,35 +84,29 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) { dev_err(&pdev->dev, "dt configuration failed\n"); return PTR_ERR(plat_dat); } dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!dwmac) + return -ENOMEM; dwmac->dev = &pdev->dev; dwmac->tx_clk = NULL; - match = of_match_device(intel_eth_plat_match, &pdev->dev); - if (match && match->data) { - dwmac->data = (const struct intel_dwmac_data *)match->data; - + dwmac->data = device_get_match_data(&pdev->dev); + if (dwmac->data) { if (dwmac->data->fix_mac_speed) plat_dat->fix_mac_speed = dwmac->data->fix_mac_speed; /* Enable TX clock */ if (dwmac->data->tx_clk_en) { dwmac->tx_clk = devm_clk_get(&pdev->dev, "tx_clk"); - if (IS_ERR(dwmac->tx_clk)) { - ret = PTR_ERR(dwmac->tx_clk); - goto err_remove_config_dt; - } + if (IS_ERR(dwmac->tx_clk)) + return PTR_ERR(dwmac->tx_clk); clk_prepare_enable(dwmac->tx_clk); @@ -126,7 +119,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Failed to set tx_clk\n"); - goto err_remove_config_dt; + return ret; } } } @@ -140,7 +133,7 @@ static int intel_eth_plat_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Failed to set clk_ptp_ref\n"); - goto err_remove_config_dt; + return ret; } } } @@ -158,15 +151,10 @@ static int intel_eth_plat_probe(struct platform_device *pdev) ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) { clk_disable_unprepare(dwmac->tx_clk); - goto err_remove_config_dt; + return ret; } return 0; - -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; } static void intel_eth_plat_remove(struct platform_device *pdev) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index a3a249c635..60283543ff 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -605,7 +605,6 @@ static int intel_mgbe_common_data(struct pci_dev *pdev, plat->mdio_bus_data->phy_mask |= 1 << INTEL_MGBE_XPCS_ADDR; plat->int_snapshot_num = AUX_SNAPSHOT1; - plat->ext_snapshot_num = AUX_SNAPSHOT0; plat->crosststamp = intel_crosststamp; plat->flags &= ~STMMAC_FLAG_INT_SNAPSHOT_EN; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c index 9b02007491..281687d708 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c @@ -384,22 +384,20 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) if (val) return val; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL); - if (!gmac) { - err = -ENOMEM; - goto err_remove_config_dt; - } + if (!gmac) + return -ENOMEM; gmac->pdev = pdev; err = ipq806x_gmac_of_parse(gmac); if (err) { dev_err(dev, "device tree parsing error\n"); - goto err_remove_config_dt; + return err; } regmap_write(gmac->qsgmii_csr, QSGMII_PCS_CAL_LCKDT_CTL, @@ -459,11 +457,11 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) if (gmac->phy_mode == PHY_INTERFACE_MODE_SGMII) { err = ipq806x_gmac_configure_qsgmii_params(gmac); if (err) - goto err_remove_config_dt; + return err; err = ipq806x_gmac_configure_qsgmii_pcs_speed(gmac); if (err) - goto err_remove_config_dt; + return err; } plat_dat->has_gmac = true; @@ -473,21 +471,12 @@ static int ipq806x_gmac_probe(struct platform_device *pdev) plat_dat->tx_fifo_size = 8192; plat_dat->rx_fifo_size = 8192; - err = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (err) - goto err_remove_config_dt; - - return 0; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); err_unsupported_phy: dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n", phy_modes(gmac->phy_mode)); - err = -EINVAL; - -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return err; + return -EINVAL; } static const struct of_device_id ipq806x_gmac_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c new file mode 100644 index 0000000000..3e86810717 --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson1.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Loongson-1 DWMAC glue layer + * + * Copyright (C) 2011-2023 Keguang Zhang <keguang.zhang@gmail.com> + */ + +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/phy.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#include "stmmac.h" +#include "stmmac_platform.h" + +#define LS1B_GMAC0_BASE (0x1fe10000) +#define LS1B_GMAC1_BASE (0x1fe20000) + +/* Loongson-1 SYSCON Registers */ +#define LS1X_SYSCON0 (0x0) +#define LS1X_SYSCON1 (0x4) + +/* Loongson-1B SYSCON Register Bits */ +#define GMAC1_USE_UART1 BIT(4) +#define GMAC1_USE_UART0 BIT(3) + +#define GMAC1_SHUT BIT(13) +#define GMAC0_SHUT BIT(12) + +#define GMAC1_USE_TXCLK BIT(3) +#define GMAC0_USE_TXCLK BIT(2) +#define GMAC1_USE_PWM23 BIT(1) +#define GMAC0_USE_PWM01 BIT(0) + +/* Loongson-1C SYSCON Register Bits */ +#define GMAC_SHUT BIT(6) + +#define PHY_INTF_SELI GENMASK(30, 28) +#define PHY_INTF_MII FIELD_PREP(PHY_INTF_SELI, 0) +#define PHY_INTF_RMII FIELD_PREP(PHY_INTF_SELI, 4) + +struct ls1x_dwmac { + struct plat_stmmacenet_data *plat_dat; + struct regmap *regmap; +}; + +static int ls1b_dwmac_syscon_init(struct platform_device *pdev, void *priv) +{ + struct ls1x_dwmac *dwmac = priv; + struct plat_stmmacenet_data *plat = dwmac->plat_dat; + struct regmap *regmap = dwmac->regmap; + struct resource *res; + unsigned long reg_base; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "Could not get IO_MEM resources\n"); + return -EINVAL; + } + reg_base = (unsigned long)res->start; + + if (reg_base == LS1B_GMAC0_BASE) { + switch (plat->phy_interface) { + case PHY_INTERFACE_MODE_RGMII_ID: + regmap_update_bits(regmap, LS1X_SYSCON0, + GMAC0_USE_TXCLK | GMAC0_USE_PWM01, + 0); + break; + case PHY_INTERFACE_MODE_MII: + regmap_update_bits(regmap, LS1X_SYSCON0, + GMAC0_USE_TXCLK | GMAC0_USE_PWM01, + GMAC0_USE_TXCLK | GMAC0_USE_PWM01); + break; + default: + dev_err(&pdev->dev, "Unsupported PHY mode %u\n", + plat->phy_interface); + return -EOPNOTSUPP; + } + + regmap_update_bits(regmap, LS1X_SYSCON0, GMAC0_SHUT, 0); + } else if (reg_base == LS1B_GMAC1_BASE) { + regmap_update_bits(regmap, LS1X_SYSCON0, + GMAC1_USE_UART1 | GMAC1_USE_UART0, + GMAC1_USE_UART1 | GMAC1_USE_UART0); + + switch (plat->phy_interface) { + case PHY_INTERFACE_MODE_RGMII_ID: + regmap_update_bits(regmap, LS1X_SYSCON1, + GMAC1_USE_TXCLK | GMAC1_USE_PWM23, + 0); + + break; + case PHY_INTERFACE_MODE_MII: + regmap_update_bits(regmap, LS1X_SYSCON1, + GMAC1_USE_TXCLK | GMAC1_USE_PWM23, + GMAC1_USE_TXCLK | GMAC1_USE_PWM23); + break; + default: + dev_err(&pdev->dev, "Unsupported PHY mode %u\n", + plat->phy_interface); + return -EOPNOTSUPP; + } + + regmap_update_bits(regmap, LS1X_SYSCON1, GMAC1_SHUT, 0); + } else { + dev_err(&pdev->dev, "Invalid Ethernet MAC base address %lx", + reg_base); + return -EINVAL; + } + + return 0; +} + +static int ls1c_dwmac_syscon_init(struct platform_device *pdev, void *priv) +{ + struct ls1x_dwmac *dwmac = priv; + struct plat_stmmacenet_data *plat = dwmac->plat_dat; + struct regmap *regmap = dwmac->regmap; + + switch (plat->phy_interface) { + case PHY_INTERFACE_MODE_MII: + regmap_update_bits(regmap, LS1X_SYSCON1, PHY_INTF_SELI, + PHY_INTF_MII); + break; + case PHY_INTERFACE_MODE_RMII: + regmap_update_bits(regmap, LS1X_SYSCON1, PHY_INTF_SELI, + PHY_INTF_RMII); + break; + default: + dev_err(&pdev->dev, "Unsupported PHY-mode %u\n", + plat->phy_interface); + return -EOPNOTSUPP; + } + + regmap_update_bits(regmap, LS1X_SYSCON0, GMAC0_SHUT, 0); + + return 0; +} + +static int ls1x_dwmac_probe(struct platform_device *pdev) +{ + struct plat_stmmacenet_data *plat_dat; + struct stmmac_resources stmmac_res; + struct regmap *regmap; + struct ls1x_dwmac *dwmac; + int (*init)(struct platform_device *pdev, void *priv); + int ret; + + ret = stmmac_get_platform_resources(pdev, &stmmac_res); + if (ret) + return ret; + + /* Probe syscon */ + regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, + "loongson,ls1-syscon"); + if (IS_ERR(regmap)) + return dev_err_probe(&pdev->dev, PTR_ERR(regmap), + "Unable to find syscon\n"); + + init = of_device_get_match_data(&pdev->dev); + if (!init) { + dev_err(&pdev->dev, "No of match data provided\n"); + return -EINVAL; + } + + dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); + if (!dwmac) + return -ENOMEM; + + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); + if (IS_ERR(plat_dat)) + return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat), + "dt configuration failed\n"); + + plat_dat->bsp_priv = dwmac; + plat_dat->init = init; + dwmac->plat_dat = plat_dat; + dwmac->regmap = regmap; + + return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res); +} + +static const struct of_device_id ls1x_dwmac_match[] = { + { + .compatible = "loongson,ls1b-gmac", + .data = &ls1b_dwmac_syscon_init, + }, + { + .compatible = "loongson,ls1c-emac", + .data = &ls1c_dwmac_syscon_init, + }, + { } +}; +MODULE_DEVICE_TABLE(of, ls1x_dwmac_match); + +static struct platform_driver ls1x_dwmac_driver = { + .probe = ls1x_dwmac_probe, + .driver = { + .name = "loongson1-dwmac", + .of_match_table = ls1x_dwmac_match, + }, +}; +module_platform_driver(ls1x_dwmac_driver); + +MODULE_AUTHOR("Keguang Zhang <keguang.zhang@gmail.com>"); +MODULE_DESCRIPTION("Loongson-1 DWMAC glue layer"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c index d0aa674ce7..4c810d8f5b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c @@ -37,7 +37,7 @@ static int lpc18xx_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); @@ -46,8 +46,7 @@ static int lpc18xx_dwmac_probe(struct platform_device *pdev) reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg"); if (IS_ERR(reg)) { dev_err(&pdev->dev, "syscon lookup failed\n"); - ret = PTR_ERR(reg); - goto err_remove_config_dt; + return PTR_ERR(reg); } if (plat_dat->mac_interface == PHY_INTERFACE_MODE_MII) { @@ -56,23 +55,13 @@ static int lpc18xx_dwmac_probe(struct platform_device *pdev) ethmode = LPC18XX_CREG_CREG6_ETHMODE_RMII; } else { dev_err(&pdev->dev, "Only MII and RMII mode supported\n"); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } regmap_update_bits(reg, LPC18XX_CREG_CREG6, LPC18XX_CREG_CREG6_ETHMODE_MASK, ethmode); - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) - goto err_remove_config_dt; - - return 0; - -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } static const struct of_device_id lpc18xx_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index cd796ec041..2a9132d6d7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -656,7 +656,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); @@ -665,7 +665,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) ret = mediatek_dwmac_clks_config(priv_plat, true); if (ret) - goto err_remove_config_dt; + return ret; ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) @@ -675,8 +675,6 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) err_drv_probe: mediatek_dwmac_clks_config(priv_plat, false); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c index 959f88c6da..a16bfa9089 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c @@ -52,35 +52,22 @@ static int meson6_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!dwmac) + return -ENOMEM; dwmac->reg = devm_platform_ioremap_resource(pdev, 1); - if (IS_ERR(dwmac->reg)) { - ret = PTR_ERR(dwmac->reg); - goto err_remove_config_dt; - } + if (IS_ERR(dwmac->reg)) + return PTR_ERR(dwmac->reg); plat_dat->bsp_priv = dwmac; plat_dat->fix_mac_speed = meson6_dwmac_fix_mac_speed; - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) - goto err_remove_config_dt; - - return 0; - -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } static const struct of_device_id meson6_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c index 0b159dc0d5..b23944aa34 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c @@ -400,33 +400,27 @@ static int meson8b_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!dwmac) + return -ENOMEM; dwmac->data = (const struct meson8b_dwmac_data *) of_device_get_match_data(&pdev->dev); - if (!dwmac->data) { - ret = -EINVAL; - goto err_remove_config_dt; - } + if (!dwmac->data) + return -EINVAL; dwmac->regs = devm_platform_ioremap_resource(pdev, 1); - if (IS_ERR(dwmac->regs)) { - ret = PTR_ERR(dwmac->regs); - goto err_remove_config_dt; - } + if (IS_ERR(dwmac->regs)) + return PTR_ERR(dwmac->regs); dwmac->dev = &pdev->dev; ret = of_get_phy_mode(pdev->dev.of_node, &dwmac->phy_mode); if (ret) { dev_err(&pdev->dev, "missing phy-mode property\n"); - goto err_remove_config_dt; + return ret; } /* use 2ns as fallback since this value was previously hardcoded */ @@ -448,53 +442,40 @@ static int meson8b_dwmac_probe(struct platform_device *pdev) if (dwmac->rx_delay_ps > 3000 || dwmac->rx_delay_ps % 200) { dev_err(dwmac->dev, "The RGMII RX delay range is 0..3000ps in 200ps steps"); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } } else { if (dwmac->rx_delay_ps != 0 && dwmac->rx_delay_ps != 2000) { dev_err(dwmac->dev, "The only allowed RGMII RX delays values are: 0ps, 2000ps"); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } } dwmac->timing_adj_clk = devm_clk_get_optional(dwmac->dev, "timing-adjustment"); - if (IS_ERR(dwmac->timing_adj_clk)) { - ret = PTR_ERR(dwmac->timing_adj_clk); - goto err_remove_config_dt; - } + if (IS_ERR(dwmac->timing_adj_clk)) + return PTR_ERR(dwmac->timing_adj_clk); ret = meson8b_init_rgmii_delays(dwmac); if (ret) - goto err_remove_config_dt; + return ret; ret = meson8b_init_rgmii_tx_clk(dwmac); if (ret) - goto err_remove_config_dt; + return ret; ret = dwmac->data->set_phy_mode(dwmac); if (ret) - goto err_remove_config_dt; + return ret; ret = meson8b_init_prg_eth(dwmac); if (ret) - goto err_remove_config_dt; + return ret; plat_dat->bsp_priv = dwmac; - ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (ret) - goto err_remove_config_dt; - - return 0; - -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); - - return ret; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } static const struct meson8b_dwmac_data meson8b_dwmac_data = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index d920a50dd1..382e8de125 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1824,7 +1824,7 @@ static int rk_gmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); @@ -1836,18 +1836,16 @@ static int rk_gmac_probe(struct platform_device *pdev) plat_dat->fix_mac_speed = rk_fix_speed; plat_dat->bsp_priv = rk_gmac_setup(pdev, plat_dat, data); - if (IS_ERR(plat_dat->bsp_priv)) { - ret = PTR_ERR(plat_dat->bsp_priv); - goto err_remove_config_dt; - } + if (IS_ERR(plat_dat->bsp_priv)) + return PTR_ERR(plat_dat->bsp_priv); ret = rk_gmac_clk_init(plat_dat); if (ret) - goto err_remove_config_dt; + return ret; ret = rk_gmac_powerup(plat_dat->bsp_priv); if (ret) - goto err_remove_config_dt; + return ret; ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) @@ -1857,8 +1855,6 @@ static int rk_gmac_probe(struct platform_device *pdev) err_gmac_powerdown: rk_gmac_powerdown(plat_dat->bsp_priv); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index 9bf102bbc6..ba2ce776bd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -400,21 +400,19 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); dwmac = devm_kzalloc(dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!dwmac) + return -ENOMEM; dwmac->stmmac_ocp_rst = devm_reset_control_get_optional(dev, "stmmaceth-ocp"); if (IS_ERR(dwmac->stmmac_ocp_rst)) { ret = PTR_ERR(dwmac->stmmac_ocp_rst); dev_err(dev, "error getting reset control of ocp %d\n", ret); - goto err_remove_config_dt; + return ret; } reset_control_deassert(dwmac->stmmac_ocp_rst); @@ -422,7 +420,7 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) ret = socfpga_dwmac_parse_data(dwmac, dev); if (ret) { dev_err(dev, "Unable to parse OF data\n"); - goto err_remove_config_dt; + return ret; } dwmac->ops = ops; @@ -431,7 +429,7 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) - goto err_remove_config_dt; + return ret; ndev = platform_get_drvdata(pdev); stpriv = netdev_priv(ndev); @@ -492,8 +490,6 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) err_dvr_remove: stmmac_dvr_remove(&pdev->dev); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c index 9289bb87c3..5d630affb4 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c @@ -105,7 +105,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, err, "failed to get resources\n"); - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat), "dt configuration failed\n"); @@ -141,13 +141,7 @@ static int starfive_dwmac_probe(struct platform_device *pdev) if (err) return err; - err = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); - if (err) { - stmmac_remove_config_dt(pdev, plat_dat); - return err; - } - - return 0; + return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); } static const struct of_device_id starfive_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c index 0d653bbb93..4445cddc4c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c @@ -273,20 +273,18 @@ static int sti_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!dwmac) + return -ENOMEM; ret = sti_dwmac_parse_data(dwmac, pdev); if (ret) { dev_err(&pdev->dev, "Unable to parse OF data\n"); - goto err_remove_config_dt; + return ret; } dwmac->fix_retime_src = data->fix_retime_src; @@ -296,7 +294,7 @@ static int sti_dwmac_probe(struct platform_device *pdev) ret = clk_prepare_enable(dwmac->clk); if (ret) - goto err_remove_config_dt; + return ret; ret = sti_dwmac_set_mode(dwmac); if (ret) @@ -310,8 +308,6 @@ static int sti_dwmac_probe(struct platform_device *pdev) disable_clk: clk_disable_unprepare(dwmac->clk); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c index a0e276783e..c92dfc4ecf 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c @@ -98,7 +98,6 @@ struct stm32_dwmac { struct stm32_ops { int (*set_mode)(struct plat_stmmacenet_data *plat_dat); - int (*clk_prepare)(struct stm32_dwmac *dwmac, bool prepare); int (*suspend)(struct stm32_dwmac *dwmac); void (*resume)(struct stm32_dwmac *dwmac); int (*parse_data)(struct stm32_dwmac *dwmac, @@ -107,62 +106,55 @@ struct stm32_ops { bool clk_rx_enable_in_suspend; }; -static int stm32_dwmac_init(struct plat_stmmacenet_data *plat_dat) +static int stm32_dwmac_clk_enable(struct stm32_dwmac *dwmac, bool resume) { - struct stm32_dwmac *dwmac = plat_dat->bsp_priv; int ret; - if (dwmac->ops->set_mode) { - ret = dwmac->ops->set_mode(plat_dat); - if (ret) - return ret; - } - ret = clk_prepare_enable(dwmac->clk_tx); if (ret) - return ret; + goto err_clk_tx; - if (!dwmac->ops->clk_rx_enable_in_suspend || - !dwmac->dev->power.is_suspended) { + if (!dwmac->ops->clk_rx_enable_in_suspend || !resume) { ret = clk_prepare_enable(dwmac->clk_rx); - if (ret) { - clk_disable_unprepare(dwmac->clk_tx); - return ret; - } + if (ret) + goto err_clk_rx; } - if (dwmac->ops->clk_prepare) { - ret = dwmac->ops->clk_prepare(dwmac, true); - if (ret) { - clk_disable_unprepare(dwmac->clk_rx); - clk_disable_unprepare(dwmac->clk_tx); - } + ret = clk_prepare_enable(dwmac->syscfg_clk); + if (ret) + goto err_syscfg_clk; + + if (dwmac->enable_eth_ck) { + ret = clk_prepare_enable(dwmac->clk_eth_ck); + if (ret) + goto err_clk_eth_ck; } return ret; + +err_clk_eth_ck: + clk_disable_unprepare(dwmac->syscfg_clk); +err_syscfg_clk: + if (!dwmac->ops->clk_rx_enable_in_suspend || !resume) + clk_disable_unprepare(dwmac->clk_rx); +err_clk_rx: + clk_disable_unprepare(dwmac->clk_tx); +err_clk_tx: + return ret; } -static int stm32mp1_clk_prepare(struct stm32_dwmac *dwmac, bool prepare) +static int stm32_dwmac_init(struct plat_stmmacenet_data *plat_dat, bool resume) { - int ret = 0; + struct stm32_dwmac *dwmac = plat_dat->bsp_priv; + int ret; - if (prepare) { - ret = clk_prepare_enable(dwmac->syscfg_clk); + if (dwmac->ops->set_mode) { + ret = dwmac->ops->set_mode(plat_dat); if (ret) return ret; - if (dwmac->enable_eth_ck) { - ret = clk_prepare_enable(dwmac->clk_eth_ck); - if (ret) { - clk_disable_unprepare(dwmac->syscfg_clk); - return ret; - } - } - } else { - clk_disable_unprepare(dwmac->syscfg_clk); - if (dwmac->enable_eth_ck) - clk_disable_unprepare(dwmac->clk_eth_ck); } - return ret; + + return stm32_dwmac_clk_enable(dwmac, resume); } static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat) @@ -252,13 +244,15 @@ static int stm32mcu_set_mode(struct plat_stmmacenet_data *plat_dat) dwmac->ops->syscfg_eth_mask, val << 23); } -static void stm32_dwmac_clk_disable(struct stm32_dwmac *dwmac) +static void stm32_dwmac_clk_disable(struct stm32_dwmac *dwmac, bool suspend) { clk_disable_unprepare(dwmac->clk_tx); - clk_disable_unprepare(dwmac->clk_rx); + if (!dwmac->ops->clk_rx_enable_in_suspend || !suspend) + clk_disable_unprepare(dwmac->clk_rx); - if (dwmac->ops->clk_prepare) - dwmac->ops->clk_prepare(dwmac, false); + clk_disable_unprepare(dwmac->syscfg_clk); + if (dwmac->enable_eth_ck) + clk_disable_unprepare(dwmac->clk_eth_ck); } static int stm32_dwmac_parse_data(struct stm32_dwmac *dwmac, @@ -372,21 +366,18 @@ static int stm32_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!dwmac) + return -ENOMEM; data = of_device_get_match_data(&pdev->dev); if (!data) { dev_err(&pdev->dev, "no of match data provided\n"); - ret = -EINVAL; - goto err_remove_config_dt; + return -EINVAL; } dwmac->ops = data; @@ -395,14 +386,14 @@ static int stm32_dwmac_probe(struct platform_device *pdev) ret = stm32_dwmac_parse_data(dwmac, &pdev->dev); if (ret) { dev_err(&pdev->dev, "Unable to parse OF data\n"); - goto err_remove_config_dt; + return ret; } plat_dat->bsp_priv = dwmac; - ret = stm32_dwmac_init(plat_dat); + ret = stm32_dwmac_init(plat_dat, false); if (ret) - goto err_remove_config_dt; + return ret; ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) @@ -411,9 +402,7 @@ static int stm32_dwmac_probe(struct platform_device *pdev) return 0; err_clk_disable: - stm32_dwmac_clk_disable(dwmac); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); + stm32_dwmac_clk_disable(dwmac, false); return ret; } @@ -426,7 +415,7 @@ static void stm32_dwmac_remove(struct platform_device *pdev) stmmac_dvr_remove(&pdev->dev); - stm32_dwmac_clk_disable(priv->plat->bsp_priv); + stm32_dwmac_clk_disable(dwmac, false); if (dwmac->irq_pwr_wakeup >= 0) { dev_pm_clear_wake_irq(&pdev->dev); @@ -436,18 +425,7 @@ static void stm32_dwmac_remove(struct platform_device *pdev) static int stm32mp1_suspend(struct stm32_dwmac *dwmac) { - int ret = 0; - - ret = clk_prepare_enable(dwmac->clk_ethstp); - if (ret) - return ret; - - clk_disable_unprepare(dwmac->clk_tx); - clk_disable_unprepare(dwmac->syscfg_clk); - if (dwmac->enable_eth_ck) - clk_disable_unprepare(dwmac->clk_eth_ck); - - return ret; + return clk_prepare_enable(dwmac->clk_ethstp); } static void stm32mp1_resume(struct stm32_dwmac *dwmac) @@ -455,14 +433,6 @@ static void stm32mp1_resume(struct stm32_dwmac *dwmac) clk_disable_unprepare(dwmac->clk_ethstp); } -static int stm32mcu_suspend(struct stm32_dwmac *dwmac) -{ - clk_disable_unprepare(dwmac->clk_tx); - clk_disable_unprepare(dwmac->clk_rx); - - return 0; -} - #ifdef CONFIG_PM_SLEEP static int stm32_dwmac_suspend(struct device *dev) { @@ -473,6 +443,10 @@ static int stm32_dwmac_suspend(struct device *dev) int ret; ret = stmmac_suspend(dev); + if (ret) + return ret; + + stm32_dwmac_clk_disable(dwmac, true); if (dwmac->ops->suspend) ret = dwmac->ops->suspend(dwmac); @@ -490,7 +464,7 @@ static int stm32_dwmac_resume(struct device *dev) if (dwmac->ops->resume) dwmac->ops->resume(dwmac); - ret = stm32_dwmac_init(priv->plat); + ret = stm32_dwmac_init(priv->plat, true); if (ret) return ret; @@ -505,13 +479,11 @@ static SIMPLE_DEV_PM_OPS(stm32_dwmac_pm_ops, static struct stm32_ops stm32mcu_dwmac_data = { .set_mode = stm32mcu_set_mode, - .suspend = stm32mcu_suspend, .syscfg_eth_mask = SYSCFG_MCU_ETH_MASK }; static struct stm32_ops stm32mp1_dwmac_data = { .set_mode = stm32mp1_set_mode, - .clk_prepare = stm32mp1_clk_prepare, .suspend = stm32mp1_suspend, .resume = stm32mp1_resume, .parse_data = stm32mp1_parse_data, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index 465ff1fd47..b21d99faa2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -441,8 +441,7 @@ static int sun8i_dwmac_dma_interrupt(struct stmmac_priv *priv, struct stmmac_extra_stats *x, u32 chan, u32 dir) { - struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[chan]; - struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[chan]; + struct stmmac_pcpu_stats *stats = this_cpu_ptr(priv->xstats.pcpu_stats); int ret = 0; u32 v; @@ -455,9 +454,9 @@ static int sun8i_dwmac_dma_interrupt(struct stmmac_priv *priv, if (v & EMAC_TX_INT) { ret |= handle_tx; - u64_stats_update_begin(&txq_stats->syncp); - txq_stats->tx_normal_irq_n++; - u64_stats_update_end(&txq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->tx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); } if (v & EMAC_TX_DMA_STOP_INT) @@ -479,9 +478,9 @@ static int sun8i_dwmac_dma_interrupt(struct stmmac_priv *priv, if (v & EMAC_RX_INT) { ret |= handle_rx; - u64_stats_update_begin(&rxq_stats->syncp); - rxq_stats->rx_normal_irq_n++; - u64_stats_update_end(&rxq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->rx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); } if (v & EMAC_RX_BUF_UA_INT) @@ -1224,7 +1223,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev) if (ret) return -EINVAL; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); @@ -1244,7 +1243,7 @@ static int sun8i_dwmac_probe(struct platform_device *pdev) ret = sun8i_dwmac_set_syscon(&pdev->dev, plat_dat); if (ret) - goto dwmac_deconfig; + return ret; ret = sun8i_dwmac_init(pdev, plat_dat->bsp_priv); if (ret) @@ -1295,8 +1294,6 @@ dwmac_exit: sun8i_dwmac_exit(pdev, gmac); dwmac_syscon: sun8i_dwmac_unset_syscon(gmac); -dwmac_deconfig: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c index beceeae579..2653a9f095 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c @@ -108,36 +108,31 @@ static int sun7i_gmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL); - if (!gmac) { - ret = -ENOMEM; - goto err_remove_config_dt; - } + if (!gmac) + return -ENOMEM; ret = of_get_phy_mode(dev->of_node, &gmac->interface); if (ret && ret != -ENODEV) { dev_err(dev, "Can't get phy-mode\n"); - goto err_remove_config_dt; + return ret; } gmac->tx_clk = devm_clk_get(dev, "allwinner_gmac_tx"); if (IS_ERR(gmac->tx_clk)) { dev_err(dev, "could not get tx clock\n"); - ret = PTR_ERR(gmac->tx_clk); - goto err_remove_config_dt; + return PTR_ERR(gmac->tx_clk); } /* Optional regulator for PHY */ gmac->regulator = devm_regulator_get_optional(dev, "phy"); if (IS_ERR(gmac->regulator)) { - if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER) { - ret = -EPROBE_DEFER; - goto err_remove_config_dt; - } + if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER) + return -EPROBE_DEFER; dev_info(dev, "no regulator found\n"); gmac->regulator = NULL; } @@ -155,7 +150,7 @@ static int sun7i_gmac_probe(struct platform_device *pdev) ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv); if (ret) - goto err_remove_config_dt; + return ret; ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (ret) @@ -165,8 +160,6 @@ static int sun7i_gmac_probe(struct platform_device *pdev) err_gmac_exit: sun7i_gmac_exit(pdev, plat_dat->bsp_priv); -err_remove_config_dt: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c index e0f3cbd368..362f85136c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c @@ -284,7 +284,7 @@ static int tegra_mgbe_probe(struct platform_device *pdev) if (err < 0) goto disable_clks; - plat = stmmac_probe_config_dt(pdev, res.mac); + plat = devm_stmmac_probe_config_dt(pdev, res.mac); if (IS_ERR(plat)) { err = PTR_ERR(plat); goto disable_clks; @@ -303,7 +303,7 @@ static int tegra_mgbe_probe(struct platform_device *pdev) GFP_KERNEL); if (!plat->mdio_bus_data) { err = -ENOMEM; - goto remove; + goto disable_clks; } } @@ -321,7 +321,7 @@ static int tegra_mgbe_probe(struct platform_device *pdev) 500, 500 * 2000); if (err < 0) { dev_err(mgbe->dev, "timeout waiting for TX lane to become enabled\n"); - goto remove; + goto disable_clks; } plat->serdes_powerup = mgbe_uphy_lane_bringup_serdes_up; @@ -342,12 +342,10 @@ static int tegra_mgbe_probe(struct platform_device *pdev) err = stmmac_dvr_probe(&pdev->dev, plat, &res); if (err < 0) - goto remove; + goto disable_clks; return 0; -remove: - stmmac_remove_config_dt(pdev, plat); disable_clks: clk_bulk_disable_unprepare(ARRAY_SIZE(mgbe_clks), mgbe->clks); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c index 22d113fb8e..a5a5cfa989 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-visconti.c @@ -220,15 +220,13 @@ static int visconti_eth_dwmac_probe(struct platform_device *pdev) if (ret) return ret; - plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac); if (IS_ERR(plat_dat)) return PTR_ERR(plat_dat); dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); - if (!dwmac) { - ret = -ENOMEM; - goto remove_config; - } + if (!dwmac) + return -ENOMEM; spin_lock_init(&dwmac->lock); dwmac->reg = stmmac_res.addr; @@ -238,7 +236,7 @@ static int visconti_eth_dwmac_probe(struct platform_device *pdev) ret = visconti_eth_clock_probe(pdev, plat_dat); if (ret) - goto remove_config; + return ret; visconti_eth_init_hw(pdev, plat_dat); @@ -252,22 +250,14 @@ static int visconti_eth_dwmac_probe(struct platform_device *pdev) remove: visconti_eth_clock_remove(pdev); -remove_config: - stmmac_remove_config_dt(pdev, plat_dat); return ret; } static void visconti_eth_dwmac_remove(struct platform_device *pdev) { - struct net_device *ndev = platform_get_drvdata(pdev); - struct stmmac_priv *priv = netdev_priv(ndev); - stmmac_pltfr_remove(pdev); - visconti_eth_clock_remove(pdev); - - stmmac_remove_config_dt(pdev, priv->plat); } static const struct of_device_id visconti_eth_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c index 9470d3fd2d..0d185e54eb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c @@ -171,8 +171,7 @@ int dwmac4_dma_interrupt(struct stmmac_priv *priv, void __iomem *ioaddr, const struct dwmac4_addrs *dwmac4_addrs = priv->plat->dwmac4_addrs; u32 intr_status = readl(ioaddr + DMA_CHAN_STATUS(dwmac4_addrs, chan)); u32 intr_en = readl(ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); - struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[chan]; - struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[chan]; + struct stmmac_pcpu_stats *stats = this_cpu_ptr(priv->xstats.pcpu_stats); int ret = 0; if (dir == DMA_DIR_RX) @@ -201,15 +200,15 @@ int dwmac4_dma_interrupt(struct stmmac_priv *priv, void __iomem *ioaddr, } /* TX/RX NORMAL interrupts */ if (likely(intr_status & DMA_CHAN_STATUS_RI)) { - u64_stats_update_begin(&rxq_stats->syncp); - rxq_stats->rx_normal_irq_n++; - u64_stats_update_end(&rxq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->rx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); ret |= handle_rx; } if (likely(intr_status & DMA_CHAN_STATUS_TI)) { - u64_stats_update_begin(&txq_stats->syncp); - txq_stats->tx_normal_irq_n++; - u64_stats_update_end(&txq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->tx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); ret |= handle_tx; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c index 7907d62d34..85e18f9a22 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c @@ -162,8 +162,7 @@ static void show_rx_process_state(unsigned int status) int dwmac_dma_interrupt(struct stmmac_priv *priv, void __iomem *ioaddr, struct stmmac_extra_stats *x, u32 chan, u32 dir) { - struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[chan]; - struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[chan]; + struct stmmac_pcpu_stats *stats = this_cpu_ptr(priv->xstats.pcpu_stats); int ret = 0; /* read the status register (CSR5) */ u32 intr_status = readl(ioaddr + DMA_STATUS); @@ -215,16 +214,16 @@ int dwmac_dma_interrupt(struct stmmac_priv *priv, void __iomem *ioaddr, u32 value = readl(ioaddr + DMA_INTR_ENA); /* to schedule NAPI on real RIE event. */ if (likely(value & DMA_INTR_ENA_RIE)) { - u64_stats_update_begin(&rxq_stats->syncp); - rxq_stats->rx_normal_irq_n++; - u64_stats_update_end(&rxq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->rx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); ret |= handle_rx; } } if (likely(intr_status & DMA_STATUS_TI)) { - u64_stats_update_begin(&txq_stats->syncp); - txq_stats->tx_normal_irq_n++; - u64_stats_update_end(&txq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->tx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); ret |= handle_tx; } if (unlikely(intr_status & DMA_STATUS_ERI)) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h index a4e8b498de..1739484747 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h @@ -319,6 +319,8 @@ #define XGMAC_RXCEIE BIT(4) #define XGMAC_TXCEIE BIT(0) #define XGMAC_MTL_ECC_INT_STATUS 0x000010cc +#define XGMAC_MTL_DPP_CONTROL 0x000010e0 +#define XGMAC_DPP_DISABLE BIT(0) #define XGMAC_MTL_TXQ_OPMODE(x) (0x00001100 + (0x80 * (x))) #define XGMAC_TQS GENMASK(25, 16) #define XGMAC_TQS_SHIFT 16 @@ -401,6 +403,7 @@ #define XGMAC_DCEIE BIT(1) #define XGMAC_TCEIE BIT(0) #define XGMAC_DMA_ECC_INT_STATUS 0x0000306c +#define XGMAC_DMA_DPP_INT_STATUS 0x00003074 #define XGMAC_DMA_CH_CONTROL(x) (0x00003100 + (0x80 * (x))) #define XGMAC_SPH BIT(24) #define XGMAC_PBLx8 BIT(16) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index a74e71db79..b5509f244e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -830,6 +830,44 @@ static const struct dwxgmac3_error_desc dwxgmac3_dma_errors[32]= { { false, "UNKNOWN", "Unknown Error" }, /* 31 */ }; +#define DPP_RX_ERR "Read Rx Descriptor Parity checker Error" +#define DPP_TX_ERR "Read Tx Descriptor Parity checker Error" + +static const struct dwxgmac3_error_desc dwxgmac3_dma_dpp_errors[32] = { + { true, "TDPES0", DPP_TX_ERR }, + { true, "TDPES1", DPP_TX_ERR }, + { true, "TDPES2", DPP_TX_ERR }, + { true, "TDPES3", DPP_TX_ERR }, + { true, "TDPES4", DPP_TX_ERR }, + { true, "TDPES5", DPP_TX_ERR }, + { true, "TDPES6", DPP_TX_ERR }, + { true, "TDPES7", DPP_TX_ERR }, + { true, "TDPES8", DPP_TX_ERR }, + { true, "TDPES9", DPP_TX_ERR }, + { true, "TDPES10", DPP_TX_ERR }, + { true, "TDPES11", DPP_TX_ERR }, + { true, "TDPES12", DPP_TX_ERR }, + { true, "TDPES13", DPP_TX_ERR }, + { true, "TDPES14", DPP_TX_ERR }, + { true, "TDPES15", DPP_TX_ERR }, + { true, "RDPES0", DPP_RX_ERR }, + { true, "RDPES1", DPP_RX_ERR }, + { true, "RDPES2", DPP_RX_ERR }, + { true, "RDPES3", DPP_RX_ERR }, + { true, "RDPES4", DPP_RX_ERR }, + { true, "RDPES5", DPP_RX_ERR }, + { true, "RDPES6", DPP_RX_ERR }, + { true, "RDPES7", DPP_RX_ERR }, + { true, "RDPES8", DPP_RX_ERR }, + { true, "RDPES9", DPP_RX_ERR }, + { true, "RDPES10", DPP_RX_ERR }, + { true, "RDPES11", DPP_RX_ERR }, + { true, "RDPES12", DPP_RX_ERR }, + { true, "RDPES13", DPP_RX_ERR }, + { true, "RDPES14", DPP_RX_ERR }, + { true, "RDPES15", DPP_RX_ERR }, +}; + static void dwxgmac3_handle_dma_err(struct net_device *ndev, void __iomem *ioaddr, bool correctable, struct stmmac_safety_stats *stats) @@ -841,6 +879,13 @@ static void dwxgmac3_handle_dma_err(struct net_device *ndev, dwxgmac3_log_error(ndev, value, correctable, "DMA", dwxgmac3_dma_errors, STAT_OFF(dma_errors), stats); + + value = readl(ioaddr + XGMAC_DMA_DPP_INT_STATUS); + writel(value, ioaddr + XGMAC_DMA_DPP_INT_STATUS); + + dwxgmac3_log_error(ndev, value, false, "DMA_DPP", + dwxgmac3_dma_dpp_errors, + STAT_OFF(dma_dpp_errors), stats); } static int @@ -881,6 +926,12 @@ dwxgmac3_safety_feat_config(void __iomem *ioaddr, unsigned int asp, value |= XGMAC_TMOUTEN; /* FSM Timeout Feature */ writel(value, ioaddr + XGMAC_MAC_FSM_CONTROL); + /* 5. Enable Data Path Parity Protection */ + value = readl(ioaddr + XGMAC_MTL_DPP_CONTROL); + /* already enabled by default, explicit enable it again */ + value &= ~XGMAC_DPP_DISABLE; + writel(value, ioaddr + XGMAC_MTL_DPP_CONTROL); + return 0; } @@ -914,7 +965,11 @@ static int dwxgmac3_safety_feat_irq_status(struct net_device *ndev, ret |= !corr; } - err = dma & (XGMAC_DEUIS | XGMAC_DECIS); + /* DMA_DPP_Interrupt_Status is indicated by MCSIS bit in + * DMA_Safety_Interrupt_Status, so we handle DMA Data Path + * Parity Errors here + */ + err = dma & (XGMAC_DEUIS | XGMAC_DECIS | XGMAC_MCSIS); corr = dma & XGMAC_DECIS; if (err) { dwxgmac3_handle_dma_err(ndev, ioaddr, corr, stats); @@ -930,6 +985,7 @@ static const struct dwxgmac3_error { { dwxgmac3_mac_errors }, { dwxgmac3_mtl_errors }, { dwxgmac3_dma_errors }, + { dwxgmac3_dma_dpp_errors }, }; static int dwxgmac3_safety_feat_dump(struct stmmac_safety_stats *stats, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index 3cde695fec..dd2ab6185c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -337,8 +337,7 @@ static int dwxgmac2_dma_interrupt(struct stmmac_priv *priv, struct stmmac_extra_stats *x, u32 chan, u32 dir) { - struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[chan]; - struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[chan]; + struct stmmac_pcpu_stats *stats = this_cpu_ptr(priv->xstats.pcpu_stats); u32 intr_status = readl(ioaddr + XGMAC_DMA_CH_STATUS(chan)); u32 intr_en = readl(ioaddr + XGMAC_DMA_CH_INT_EN(chan)); int ret = 0; @@ -367,15 +366,15 @@ static int dwxgmac2_dma_interrupt(struct stmmac_priv *priv, /* TX/RX NORMAL interrupts */ if (likely(intr_status & XGMAC_NIS)) { if (likely(intr_status & XGMAC_RI)) { - u64_stats_update_begin(&rxq_stats->syncp); - rxq_stats->rx_normal_irq_n++; - u64_stats_update_end(&rxq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->rx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); ret |= handle_rx; } if (likely(intr_status & (XGMAC_TI | XGMAC_TBU))) { - u64_stats_update_begin(&txq_stats->syncp); - txq_stats->tx_normal_irq_n++; - u64_stats_update_end(&txq_stats->syncp); + u64_stats_update_begin(&stats->syncp); + u64_stats_inc(&stats->tx_normal_irq_n[chan]); + u64_stats_update_end(&stats->syncp); ret |= handle_tx; } } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 69c8c25285..f9c1f3f4a1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -539,44 +539,79 @@ stmmac_set_pauseparam(struct net_device *netdev, } } +static u64 stmmac_get_rx_normal_irq_n(struct stmmac_priv *priv, int q) +{ + u64 total; + int cpu; + + total = 0; + for_each_possible_cpu(cpu) { + struct stmmac_pcpu_stats *pcpu; + unsigned int start; + u64 irq_n; + + pcpu = per_cpu_ptr(priv->xstats.pcpu_stats, cpu); + do { + start = u64_stats_fetch_begin(&pcpu->syncp); + irq_n = u64_stats_read(&pcpu->rx_normal_irq_n[q]); + } while (u64_stats_fetch_retry(&pcpu->syncp, start)); + total += irq_n; + } + return total; +} + +static u64 stmmac_get_tx_normal_irq_n(struct stmmac_priv *priv, int q) +{ + u64 total; + int cpu; + + total = 0; + for_each_possible_cpu(cpu) { + struct stmmac_pcpu_stats *pcpu; + unsigned int start; + u64 irq_n; + + pcpu = per_cpu_ptr(priv->xstats.pcpu_stats, cpu); + do { + start = u64_stats_fetch_begin(&pcpu->syncp); + irq_n = u64_stats_read(&pcpu->tx_normal_irq_n[q]); + } while (u64_stats_fetch_retry(&pcpu->syncp, start)); + total += irq_n; + } + return total; +} + static void stmmac_get_per_qstats(struct stmmac_priv *priv, u64 *data) { u32 tx_cnt = priv->plat->tx_queues_to_use; u32 rx_cnt = priv->plat->rx_queues_to_use; unsigned int start; - int q, stat; - char *p; + int q; for (q = 0; q < tx_cnt; q++) { struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[q]; - struct stmmac_txq_stats snapshot; + u64 pkt_n; do { - start = u64_stats_fetch_begin(&txq_stats->syncp); - snapshot = *txq_stats; - } while (u64_stats_fetch_retry(&txq_stats->syncp, start)); + start = u64_stats_fetch_begin(&txq_stats->napi_syncp); + pkt_n = u64_stats_read(&txq_stats->napi.tx_pkt_n); + } while (u64_stats_fetch_retry(&txq_stats->napi_syncp, start)); - p = (char *)&snapshot + offsetof(struct stmmac_txq_stats, tx_pkt_n); - for (stat = 0; stat < STMMAC_TXQ_STATS; stat++) { - *data++ = (*(u64 *)p); - p += sizeof(u64); - } + *data++ = pkt_n; + *data++ = stmmac_get_tx_normal_irq_n(priv, q); } for (q = 0; q < rx_cnt; q++) { struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[q]; - struct stmmac_rxq_stats snapshot; + u64 pkt_n; do { - start = u64_stats_fetch_begin(&rxq_stats->syncp); - snapshot = *rxq_stats; - } while (u64_stats_fetch_retry(&rxq_stats->syncp, start)); + start = u64_stats_fetch_begin(&rxq_stats->napi_syncp); + pkt_n = u64_stats_read(&rxq_stats->napi.rx_pkt_n); + } while (u64_stats_fetch_retry(&rxq_stats->napi_syncp, start)); - p = (char *)&snapshot + offsetof(struct stmmac_rxq_stats, rx_pkt_n); - for (stat = 0; stat < STMMAC_RXQ_STATS; stat++) { - *data++ = (*(u64 *)p); - p += sizeof(u64); - } + *data++ = pkt_n; + *data++ = stmmac_get_rx_normal_irq_n(priv, q); } } @@ -635,39 +670,49 @@ static void stmmac_get_ethtool_stats(struct net_device *dev, pos = j; for (i = 0; i < rx_queues_count; i++) { struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[i]; - struct stmmac_rxq_stats snapshot; + struct stmmac_napi_rx_stats snapshot; + u64 n_irq; j = pos; do { - start = u64_stats_fetch_begin(&rxq_stats->syncp); - snapshot = *rxq_stats; - } while (u64_stats_fetch_retry(&rxq_stats->syncp, start)); - - data[j++] += snapshot.rx_pkt_n; - data[j++] += snapshot.rx_normal_irq_n; - normal_irq_n += snapshot.rx_normal_irq_n; - napi_poll += snapshot.napi_poll; + start = u64_stats_fetch_begin(&rxq_stats->napi_syncp); + snapshot = rxq_stats->napi; + } while (u64_stats_fetch_retry(&rxq_stats->napi_syncp, start)); + + data[j++] += u64_stats_read(&snapshot.rx_pkt_n); + n_irq = stmmac_get_rx_normal_irq_n(priv, i); + data[j++] += n_irq; + normal_irq_n += n_irq; + napi_poll += u64_stats_read(&snapshot.poll); } pos = j; for (i = 0; i < tx_queues_count; i++) { struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[i]; - struct stmmac_txq_stats snapshot; + struct stmmac_napi_tx_stats napi_snapshot; + struct stmmac_q_tx_stats q_snapshot; + u64 n_irq; j = pos; do { - start = u64_stats_fetch_begin(&txq_stats->syncp); - snapshot = *txq_stats; - } while (u64_stats_fetch_retry(&txq_stats->syncp, start)); - - data[j++] += snapshot.tx_pkt_n; - data[j++] += snapshot.tx_normal_irq_n; - normal_irq_n += snapshot.tx_normal_irq_n; - data[j++] += snapshot.tx_clean; - data[j++] += snapshot.tx_set_ic_bit; - data[j++] += snapshot.tx_tso_frames; - data[j++] += snapshot.tx_tso_nfrags; - napi_poll += snapshot.napi_poll; + start = u64_stats_fetch_begin(&txq_stats->q_syncp); + q_snapshot = txq_stats->q; + } while (u64_stats_fetch_retry(&txq_stats->q_syncp, start)); + do { + start = u64_stats_fetch_begin(&txq_stats->napi_syncp); + napi_snapshot = txq_stats->napi; + } while (u64_stats_fetch_retry(&txq_stats->napi_syncp, start)); + + data[j++] += u64_stats_read(&napi_snapshot.tx_pkt_n); + n_irq = stmmac_get_tx_normal_irq_n(priv, i); + data[j++] += n_irq; + normal_irq_n += n_irq; + data[j++] += u64_stats_read(&napi_snapshot.tx_clean); + data[j++] += u64_stats_read(&q_snapshot.tx_set_ic_bit) + + u64_stats_read(&napi_snapshot.tx_set_ic_bit); + data[j++] += u64_stats_read(&q_snapshot.tx_tso_frames); + data[j++] += u64_stats_read(&q_snapshot.tx_tso_nfrags); + napi_poll += u64_stats_read(&napi_snapshot.poll); } normal_irq_n += priv->xstats.rx_early_irq; data[j++] = normal_irq_n; @@ -984,7 +1029,7 @@ static int __stmmac_set_coalesce(struct net_device *dev, else if (queue >= max_cnt) return -EINVAL; - if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) { + if (priv->use_riwt) { rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv); if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT)) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 292857c0e6..e9a1b60ebb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2442,7 +2442,6 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget) struct xdp_desc xdp_desc; bool work_done = true; u32 tx_set_ic_bit = 0; - unsigned long flags; /* Avoids TX time-out as we are sharing with slow path */ txq_trans_cond_update(nq); @@ -2515,9 +2514,9 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget) tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size); entry = tx_q->cur_tx; } - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->tx_set_ic_bit += tx_set_ic_bit; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_update_begin(&txq_stats->napi_syncp); + u64_stats_add(&txq_stats->napi.tx_set_ic_bit, tx_set_ic_bit); + u64_stats_update_end(&txq_stats->napi_syncp); if (tx_desc) { stmmac_flush_tx_descriptors(priv, queue); @@ -2552,16 +2551,19 @@ static void stmmac_bump_dma_threshold(struct stmmac_priv *priv, u32 chan) * @priv: driver private structure * @budget: napi budget limiting this functions packet handling * @queue: TX queue index + * @pending_packets: signal to arm the TX coal timer * Description: it reclaims the transmit resources after transmission completes. + * If some packets still needs to be handled, due to TX coalesce, set + * pending_packets to true to make NAPI arm the TX coal timer. */ -static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue) +static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue, + bool *pending_packets) { struct stmmac_tx_queue *tx_q = &priv->dma_conf.tx_queue[queue]; struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[queue]; unsigned int bytes_compl = 0, pkts_compl = 0; unsigned int entry, xmits = 0, count = 0; u32 tx_packets = 0, tx_errors = 0; - unsigned long flags; __netif_tx_lock_bh(netdev_get_tx_queue(priv->dev, queue)); @@ -2715,13 +2717,13 @@ static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue) /* We still have pending packets, let's call for a new scheduling */ if (tx_q->dirty_tx != tx_q->cur_tx) - stmmac_tx_timer_arm(priv, queue); + *pending_packets = true; - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->tx_packets += tx_packets; - txq_stats->tx_pkt_n += tx_packets; - txq_stats->tx_clean++; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_update_begin(&txq_stats->napi_syncp); + u64_stats_add(&txq_stats->napi.tx_packets, tx_packets); + u64_stats_add(&txq_stats->napi.tx_pkt_n, tx_packets); + u64_stats_inc(&txq_stats->napi.tx_clean); + u64_stats_update_end(&txq_stats->napi_syncp); priv->xstats.tx_errors += tx_errors; @@ -3005,13 +3007,25 @@ static void stmmac_tx_timer_arm(struct stmmac_priv *priv, u32 queue) { struct stmmac_tx_queue *tx_q = &priv->dma_conf.tx_queue[queue]; u32 tx_coal_timer = priv->tx_coal_timer[queue]; + struct stmmac_channel *ch; + struct napi_struct *napi; if (!tx_coal_timer) return; - hrtimer_start(&tx_q->txtimer, - STMMAC_COAL_TIMER(tx_coal_timer), - HRTIMER_MODE_REL); + ch = &priv->channel[tx_q->queue_index]; + napi = tx_q->xsk_pool ? &ch->rxtx_napi : &ch->tx_napi; + + /* Arm timer only if napi is not already scheduled. + * Try to cancel any timer if napi is scheduled, timer will be armed + * again in the next scheduled napi. + */ + if (unlikely(!napi_is_scheduled(napi))) + hrtimer_start(&tx_q->txtimer, + STMMAC_COAL_TIMER(tx_coal_timer), + HRTIMER_MODE_REL); + else + hrtimer_try_to_cancel(&tx_q->txtimer); } /** @@ -3853,6 +3867,9 @@ static int __stmmac_open(struct net_device *dev, priv->rx_copybreak = STMMAC_RX_COPYBREAK; buf_sz = dma_conf->dma_buf_sz; + for (int i = 0; i < MTL_MAX_TX_QUEUES; i++) + if (priv->dma_conf.tx_queue[i].tbs & STMMAC_TBS_EN) + dma_conf->tx_queue[i].tbs = priv->dma_conf.tx_queue[i].tbs; memcpy(&priv->dma_conf, dma_conf, sizeof(*dma_conf)); stmmac_reset_queues_param(priv); @@ -4131,7 +4148,6 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) struct stmmac_tx_queue *tx_q; bool has_vlan, set_ic; u8 proto_hdr_len, hdr; - unsigned long flags; u32 pay_len, mss; dma_addr_t des; int i; @@ -4296,13 +4312,13 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) netif_tx_stop_queue(netdev_get_tx_queue(priv->dev, queue)); } - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->tx_bytes += skb->len; - txq_stats->tx_tso_frames++; - txq_stats->tx_tso_nfrags += nfrags; + u64_stats_update_begin(&txq_stats->q_syncp); + u64_stats_add(&txq_stats->q.tx_bytes, skb->len); + u64_stats_inc(&txq_stats->q.tx_tso_frames); + u64_stats_add(&txq_stats->q.tx_tso_nfrags, nfrags); if (set_ic) - txq_stats->tx_set_ic_bit++; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_inc(&txq_stats->q.tx_set_ic_bit); + u64_stats_update_end(&txq_stats->q_syncp); if (priv->sarc_type) stmmac_set_desc_sarc(priv, first, priv->sarc_type); @@ -4401,7 +4417,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) struct stmmac_tx_queue *tx_q; bool has_vlan, set_ic; int entry, first_tx; - unsigned long flags; dma_addr_t des; tx_q = &priv->dma_conf.tx_queue[queue]; @@ -4571,11 +4586,11 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) netif_tx_stop_queue(netdev_get_tx_queue(priv->dev, queue)); } - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->tx_bytes += skb->len; + u64_stats_update_begin(&txq_stats->q_syncp); + u64_stats_add(&txq_stats->q.tx_bytes, skb->len); if (set_ic) - txq_stats->tx_set_ic_bit++; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_inc(&txq_stats->q.tx_set_ic_bit); + u64_stats_update_end(&txq_stats->q_syncp); if (priv->sarc_type) stmmac_set_desc_sarc(priv, first, priv->sarc_type); @@ -4839,12 +4854,11 @@ static int stmmac_xdp_xmit_xdpf(struct stmmac_priv *priv, int queue, set_ic = false; if (set_ic) { - unsigned long flags; tx_q->tx_count_frames = 0; stmmac_set_tx_ic(priv, tx_desc); - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->tx_set_ic_bit++; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_update_begin(&txq_stats->q_syncp); + u64_stats_inc(&txq_stats->q.tx_set_ic_bit); + u64_stats_update_end(&txq_stats->q_syncp); } stmmac_enable_dma_transmission(priv, priv->ioaddr); @@ -4994,7 +5008,6 @@ static void stmmac_dispatch_skb_zc(struct stmmac_priv *priv, u32 queue, unsigned int len = xdp->data_end - xdp->data; enum pkt_hash_types hash_type; int coe = priv->hw->rx_csum; - unsigned long flags; struct sk_buff *skb; u32 hash; @@ -5019,10 +5032,10 @@ static void stmmac_dispatch_skb_zc(struct stmmac_priv *priv, u32 queue, skb_record_rx_queue(skb, queue); napi_gro_receive(&ch->rxtx_napi, skb); - flags = u64_stats_update_begin_irqsave(&rxq_stats->syncp); - rxq_stats->rx_pkt_n++; - rxq_stats->rx_bytes += len; - u64_stats_update_end_irqrestore(&rxq_stats->syncp, flags); + u64_stats_update_begin(&rxq_stats->napi_syncp); + u64_stats_inc(&rxq_stats->napi.rx_pkt_n); + u64_stats_add(&rxq_stats->napi.rx_bytes, len); + u64_stats_update_end(&rxq_stats->napi_syncp); } static bool stmmac_rx_refill_zc(struct stmmac_priv *priv, u32 queue, u32 budget) @@ -5104,7 +5117,6 @@ static int stmmac_rx_zc(struct stmmac_priv *priv, int limit, u32 queue) unsigned int desc_size; struct bpf_prog *prog; bool failure = false; - unsigned long flags; int xdp_status = 0; int status = 0; @@ -5259,9 +5271,9 @@ read_again: stmmac_finalize_xdp_rx(priv, xdp_status); - flags = u64_stats_update_begin_irqsave(&rxq_stats->syncp); - rxq_stats->rx_pkt_n += count; - u64_stats_update_end_irqrestore(&rxq_stats->syncp, flags); + u64_stats_update_begin(&rxq_stats->napi_syncp); + u64_stats_add(&rxq_stats->napi.rx_pkt_n, count); + u64_stats_update_end(&rxq_stats->napi_syncp); priv->xstats.rx_dropped += rx_dropped; priv->xstats.rx_errors += rx_errors; @@ -5299,7 +5311,6 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) unsigned int desc_size; struct sk_buff *skb = NULL; struct stmmac_xdp_buff ctx; - unsigned long flags; int xdp_status = 0; int buf_sz; @@ -5552,11 +5563,11 @@ drain_data: stmmac_rx_refill(priv, queue); - flags = u64_stats_update_begin_irqsave(&rxq_stats->syncp); - rxq_stats->rx_packets += rx_packets; - rxq_stats->rx_bytes += rx_bytes; - rxq_stats->rx_pkt_n += count; - u64_stats_update_end_irqrestore(&rxq_stats->syncp, flags); + u64_stats_update_begin(&rxq_stats->napi_syncp); + u64_stats_add(&rxq_stats->napi.rx_packets, rx_packets); + u64_stats_add(&rxq_stats->napi.rx_bytes, rx_bytes); + u64_stats_add(&rxq_stats->napi.rx_pkt_n, count); + u64_stats_update_end(&rxq_stats->napi_syncp); priv->xstats.rx_dropped += rx_dropped; priv->xstats.rx_errors += rx_errors; @@ -5571,13 +5582,12 @@ static int stmmac_napi_poll_rx(struct napi_struct *napi, int budget) struct stmmac_priv *priv = ch->priv_data; struct stmmac_rxq_stats *rxq_stats; u32 chan = ch->index; - unsigned long flags; int work_done; rxq_stats = &priv->xstats.rxq_stats[chan]; - flags = u64_stats_update_begin_irqsave(&rxq_stats->syncp); - rxq_stats->napi_poll++; - u64_stats_update_end_irqrestore(&rxq_stats->syncp, flags); + u64_stats_update_begin(&rxq_stats->napi_syncp); + u64_stats_inc(&rxq_stats->napi.poll); + u64_stats_update_end(&rxq_stats->napi_syncp); work_done = stmmac_rx(priv, budget, chan); if (work_done < budget && napi_complete_done(napi, work_done)) { @@ -5597,16 +5607,16 @@ static int stmmac_napi_poll_tx(struct napi_struct *napi, int budget) container_of(napi, struct stmmac_channel, tx_napi); struct stmmac_priv *priv = ch->priv_data; struct stmmac_txq_stats *txq_stats; + bool pending_packets = false; u32 chan = ch->index; - unsigned long flags; int work_done; txq_stats = &priv->xstats.txq_stats[chan]; - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->napi_poll++; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_update_begin(&txq_stats->napi_syncp); + u64_stats_inc(&txq_stats->napi.poll); + u64_stats_update_end(&txq_stats->napi_syncp); - work_done = stmmac_tx_clean(priv, budget, chan); + work_done = stmmac_tx_clean(priv, budget, chan, &pending_packets); work_done = min(work_done, budget); if (work_done < budget && napi_complete_done(napi, work_done)) { @@ -5617,6 +5627,10 @@ static int stmmac_napi_poll_tx(struct napi_struct *napi, int budget) spin_unlock_irqrestore(&ch->lock, flags); } + /* TX still have packet to handle, check if we need to arm tx timer */ + if (pending_packets) + stmmac_tx_timer_arm(priv, chan); + return work_done; } @@ -5625,23 +5639,23 @@ static int stmmac_napi_poll_rxtx(struct napi_struct *napi, int budget) struct stmmac_channel *ch = container_of(napi, struct stmmac_channel, rxtx_napi); struct stmmac_priv *priv = ch->priv_data; + bool tx_pending_packets = false; int rx_done, tx_done, rxtx_done; struct stmmac_rxq_stats *rxq_stats; struct stmmac_txq_stats *txq_stats; u32 chan = ch->index; - unsigned long flags; rxq_stats = &priv->xstats.rxq_stats[chan]; - flags = u64_stats_update_begin_irqsave(&rxq_stats->syncp); - rxq_stats->napi_poll++; - u64_stats_update_end_irqrestore(&rxq_stats->syncp, flags); + u64_stats_update_begin(&rxq_stats->napi_syncp); + u64_stats_inc(&rxq_stats->napi.poll); + u64_stats_update_end(&rxq_stats->napi_syncp); txq_stats = &priv->xstats.txq_stats[chan]; - flags = u64_stats_update_begin_irqsave(&txq_stats->syncp); - txq_stats->napi_poll++; - u64_stats_update_end_irqrestore(&txq_stats->syncp, flags); + u64_stats_update_begin(&txq_stats->napi_syncp); + u64_stats_inc(&txq_stats->napi.poll); + u64_stats_update_end(&txq_stats->napi_syncp); - tx_done = stmmac_tx_clean(priv, budget, chan); + tx_done = stmmac_tx_clean(priv, budget, chan, &tx_pending_packets); tx_done = min(tx_done, budget); rx_done = stmmac_rx_zc(priv, budget, chan); @@ -5666,6 +5680,10 @@ static int stmmac_napi_poll_rxtx(struct napi_struct *napi, int budget) spin_unlock_irqrestore(&ch->lock, flags); } + /* TX still have packet to handle, check if we need to arm tx timer */ + if (tx_pending_packets) + stmmac_tx_timer_arm(priv, chan); + return min(rxtx_done, budget - 1); } @@ -5959,11 +5977,6 @@ static irqreturn_t stmmac_mac_interrupt(int irq, void *dev_id) struct net_device *dev = (struct net_device *)dev_id; struct stmmac_priv *priv = netdev_priv(dev); - if (unlikely(!dev)) { - netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__); - return IRQ_NONE; - } - /* Check if adapter is up */ if (test_bit(STMMAC_DOWN, &priv->state)) return IRQ_HANDLED; @@ -5979,11 +5992,6 @@ static irqreturn_t stmmac_safety_interrupt(int irq, void *dev_id) struct net_device *dev = (struct net_device *)dev_id; struct stmmac_priv *priv = netdev_priv(dev); - if (unlikely(!dev)) { - netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__); - return IRQ_NONE; - } - /* Check if adapter is up */ if (test_bit(STMMAC_DOWN, &priv->state)) return IRQ_HANDLED; @@ -6005,11 +6013,6 @@ static irqreturn_t stmmac_msi_intr_tx(int irq, void *data) dma_conf = container_of(tx_q, struct stmmac_dma_conf, tx_queue[chan]); priv = container_of(dma_conf, struct stmmac_priv, dma_conf); - if (unlikely(!data)) { - netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__); - return IRQ_NONE; - } - /* Check if adapter is up */ if (test_bit(STMMAC_DOWN, &priv->state)) return IRQ_HANDLED; @@ -6036,11 +6039,6 @@ static irqreturn_t stmmac_msi_intr_rx(int irq, void *data) dma_conf = container_of(rx_q, struct stmmac_dma_conf, rx_queue[chan]); priv = container_of(dma_conf, struct stmmac_priv, dma_conf); - if (unlikely(!data)) { - netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__); - return IRQ_NONE; - } - /* Check if adapter is up */ if (test_bit(STMMAC_DOWN, &priv->state)) return IRQ_HANDLED; @@ -6961,10 +6959,13 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64 u64 tx_bytes; do { - start = u64_stats_fetch_begin(&txq_stats->syncp); - tx_packets = txq_stats->tx_packets; - tx_bytes = txq_stats->tx_bytes; - } while (u64_stats_fetch_retry(&txq_stats->syncp, start)); + start = u64_stats_fetch_begin(&txq_stats->q_syncp); + tx_bytes = u64_stats_read(&txq_stats->q.tx_bytes); + } while (u64_stats_fetch_retry(&txq_stats->q_syncp, start)); + do { + start = u64_stats_fetch_begin(&txq_stats->napi_syncp); + tx_packets = u64_stats_read(&txq_stats->napi.tx_packets); + } while (u64_stats_fetch_retry(&txq_stats->napi_syncp, start)); stats->tx_packets += tx_packets; stats->tx_bytes += tx_bytes; @@ -6976,10 +6977,10 @@ static void stmmac_get_stats64(struct net_device *dev, struct rtnl_link_stats64 u64 rx_bytes; do { - start = u64_stats_fetch_begin(&rxq_stats->syncp); - rx_packets = rxq_stats->rx_packets; - rx_bytes = rxq_stats->rx_bytes; - } while (u64_stats_fetch_retry(&rxq_stats->syncp, start)); + start = u64_stats_fetch_begin(&rxq_stats->napi_syncp); + rx_packets = u64_stats_read(&rxq_stats->napi.rx_packets); + rx_bytes = u64_stats_read(&rxq_stats->napi.rx_bytes); + } while (u64_stats_fetch_retry(&rxq_stats->napi_syncp, start)); stats->rx_packets += rx_packets; stats->rx_bytes += rx_bytes; @@ -7373,9 +7374,16 @@ int stmmac_dvr_probe(struct device *device, priv->dev = ndev; for (i = 0; i < MTL_MAX_RX_QUEUES; i++) - u64_stats_init(&priv->xstats.rxq_stats[i].syncp); - for (i = 0; i < MTL_MAX_TX_QUEUES; i++) - u64_stats_init(&priv->xstats.txq_stats[i].syncp); + u64_stats_init(&priv->xstats.rxq_stats[i].napi_syncp); + for (i = 0; i < MTL_MAX_TX_QUEUES; i++) { + u64_stats_init(&priv->xstats.txq_stats[i].q_syncp); + u64_stats_init(&priv->xstats.txq_stats[i].napi_syncp); + } + + priv->xstats.pcpu_stats = + devm_netdev_alloc_pcpu_stats(device, struct stmmac_pcpu_stats); + if (!priv->xstats.pcpu_stats) + return -ENOMEM; stmmac_set_ethtool_ops(ndev); priv->pause = pause; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 30d5e63519..1ffde555da 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -388,6 +388,22 @@ static int stmmac_of_get_mac_mode(struct device_node *np) } /** + * stmmac_remove_config_dt - undo the effects of stmmac_probe_config_dt() + * @pdev: platform_device structure + * @plat: driver data platform structure + * + * Release resources claimed by stmmac_probe_config_dt(). + */ +static void stmmac_remove_config_dt(struct platform_device *pdev, + struct plat_stmmacenet_data *plat) +{ + clk_disable_unprepare(plat->stmmac_clk); + clk_disable_unprepare(plat->pclk); + of_node_put(plat->phy_node); + of_node_put(plat->mdio_node); +} + +/** * stmmac_probe_config_dt - parse device-tree driver parameters * @pdev: platform_device structure * @mac: MAC address to use @@ -395,7 +411,7 @@ static int stmmac_of_get_mac_mode(struct device_node *np) * this function is to read the driver parameters from device-tree and * set some private fields that will be used by the main at runtime. */ -struct plat_stmmacenet_data * +static struct plat_stmmacenet_data * stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) { struct device_node *np = pdev->dev.of_node; @@ -665,43 +681,14 @@ devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) return plat; } - -/** - * stmmac_remove_config_dt - undo the effects of stmmac_probe_config_dt() - * @pdev: platform_device structure - * @plat: driver data platform structure - * - * Release resources claimed by stmmac_probe_config_dt(). - */ -void stmmac_remove_config_dt(struct platform_device *pdev, - struct plat_stmmacenet_data *plat) -{ - clk_disable_unprepare(plat->stmmac_clk); - clk_disable_unprepare(plat->pclk); - of_node_put(plat->phy_node); - of_node_put(plat->mdio_node); -} #else struct plat_stmmacenet_data * -stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) -{ - return ERR_PTR(-EINVAL); -} - -struct plat_stmmacenet_data * devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) { return ERR_PTR(-EINVAL); } - -void stmmac_remove_config_dt(struct platform_device *pdev, - struct plat_stmmacenet_data *plat) -{ -} #endif /* CONFIG_OF */ -EXPORT_SYMBOL_GPL(stmmac_probe_config_dt); EXPORT_SYMBOL_GPL(devm_stmmac_probe_config_dt); -EXPORT_SYMBOL_GPL(stmmac_remove_config_dt); int stmmac_get_platform_resources(struct platform_device *pdev, struct stmmac_resources *stmmac_res) @@ -810,7 +797,7 @@ static void devm_stmmac_pltfr_remove(void *data) { struct platform_device *pdev = data; - stmmac_pltfr_remove_no_dt(pdev); + stmmac_pltfr_remove(pdev); } /** @@ -837,12 +824,12 @@ int devm_stmmac_pltfr_probe(struct platform_device *pdev, EXPORT_SYMBOL_GPL(devm_stmmac_pltfr_probe); /** - * stmmac_pltfr_remove_no_dt + * stmmac_pltfr_remove * @pdev: pointer to the platform device * Description: This undoes the effects of stmmac_pltfr_probe() by removing the * driver and calling the platform's exit() callback. */ -void stmmac_pltfr_remove_no_dt(struct platform_device *pdev) +void stmmac_pltfr_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); struct stmmac_priv *priv = netdev_priv(ndev); @@ -851,23 +838,6 @@ void stmmac_pltfr_remove_no_dt(struct platform_device *pdev) stmmac_dvr_remove(&pdev->dev); stmmac_pltfr_exit(pdev, plat); } -EXPORT_SYMBOL_GPL(stmmac_pltfr_remove_no_dt); - -/** - * stmmac_pltfr_remove - * @pdev: platform device pointer - * Description: this function calls the main to free the net resources - * and calls the platforms hook and release the resources (e.g. mem). - */ -void stmmac_pltfr_remove(struct platform_device *pdev) -{ - struct net_device *ndev = platform_get_drvdata(pdev); - struct stmmac_priv *priv = netdev_priv(ndev); - struct plat_stmmacenet_data *plat = priv->plat; - - stmmac_pltfr_remove_no_dt(pdev); - stmmac_remove_config_dt(pdev, plat); -} EXPORT_SYMBOL_GPL(stmmac_pltfr_remove); /** diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h index c5565b2a70..bb6fc7e59a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h @@ -12,11 +12,7 @@ #include "stmmac.h" struct plat_stmmacenet_data * -stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac); -struct plat_stmmacenet_data * devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac); -void stmmac_remove_config_dt(struct platform_device *pdev, - struct plat_stmmacenet_data *plat); int stmmac_get_platform_resources(struct platform_device *pdev, struct stmmac_resources *stmmac_res); @@ -32,7 +28,6 @@ int stmmac_pltfr_probe(struct platform_device *pdev, int devm_stmmac_pltfr_probe(struct platform_device *pdev, struct plat_stmmacenet_data *plat, struct stmmac_resources *res); -void stmmac_pltfr_remove_no_dt(struct platform_device *pdev); void stmmac_pltfr_remove(struct platform_device *pdev); extern const struct dev_pm_ops stmmac_pltfr_pm_ops; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index 3d7825cb30..bffa5c0170 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -81,7 +81,7 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) stmmac_adjust_systime(priv, priv->ptpaddr, sec, nsec, neg_adj, xmac); write_unlock_irqrestore(&priv->ptp_lock, flags); - /* Caculate new basetime and re-configured EST after PTP time adjust. */ + /* Calculate new basetime and re-configured EST after PTP time adjust. */ if (est_rst) { struct timespec64 current_time, time; ktime_t current_time_ns, basetime; @@ -191,26 +191,33 @@ static int stmmac_enable(struct ptp_clock_info *ptp, priv->systime_flags); write_unlock_irqrestore(&priv->ptp_lock, flags); break; - case PTP_CLK_REQ_EXTTS: - if (on) - priv->plat->flags |= STMMAC_FLAG_EXT_SNAPSHOT_EN; - else - priv->plat->flags &= ~STMMAC_FLAG_EXT_SNAPSHOT_EN; + case PTP_CLK_REQ_EXTTS: { + u8 channel; + mutex_lock(&priv->aux_ts_lock); acr_value = readl(ptpaddr + PTP_ACR); + channel = ilog2(FIELD_GET(PTP_ACR_MASK, acr_value)); acr_value &= ~PTP_ACR_MASK; + if (on) { + if (FIELD_GET(PTP_ACR_MASK, acr_value)) { + netdev_err(priv->dev, + "Cannot enable auxiliary snapshot %d as auxiliary snapshot %d is already enabled", + rq->extts.index, channel); + mutex_unlock(&priv->aux_ts_lock); + return -EBUSY; + } + + priv->plat->flags |= STMMAC_FLAG_EXT_SNAPSHOT_EN; + /* Enable External snapshot trigger */ - acr_value |= priv->plat->ext_snapshot_num; + acr_value |= PTP_ACR_ATSEN(rq->extts.index); acr_value |= PTP_ACR_ATSFC; - netdev_dbg(priv->dev, "Auxiliary Snapshot %d enabled.\n", - priv->plat->ext_snapshot_num >> - PTP_ACR_ATSEN_SHIFT); } else { - netdev_dbg(priv->dev, "Auxiliary Snapshot %d disabled.\n", - priv->plat->ext_snapshot_num >> - PTP_ACR_ATSEN_SHIFT); + priv->plat->flags &= ~STMMAC_FLAG_EXT_SNAPSHOT_EN; } + netdev_dbg(priv->dev, "Auxiliary Snapshot %d %s.\n", + rq->extts.index, on ? "enabled" : "disabled"); writel(acr_value, ptpaddr + PTP_ACR); mutex_unlock(&priv->aux_ts_lock); /* wait for auxts fifo clear to finish */ @@ -218,6 +225,7 @@ static int stmmac_enable(struct ptp_clock_info *ptp, !(acr_value & PTP_ACR_ATSFC), 10, 10000); break; + } default: break; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h index d1fe4b46f1..fce3fba2ff 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h @@ -79,7 +79,7 @@ #define PTP_ACR_ATSEN1 BIT(5) /* Auxiliary Snapshot 1 Enable */ #define PTP_ACR_ATSEN2 BIT(6) /* Auxiliary Snapshot 2 Enable */ #define PTP_ACR_ATSEN3 BIT(7) /* Auxiliary Snapshot 3 Enable */ -#define PTP_ACR_ATSEN_SHIFT 5 /* Auxiliary Snapshot shift */ +#define PTP_ACR_ATSEN(index) (PTP_ACR_ATSEN0 << (index)) #define PTP_ACR_MASK GENMASK(7, 4) /* Aux Snapshot Mask */ #define PMC_ART_VALUE0 0x01 /* PMC_ART[15:0] timer value */ #define PMC_ART_VALUE1 0x02 /* PMC_ART[31:16] timer value */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index f9e43fc32e..3ca1c2a816 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -802,7 +802,7 @@ static int stmmac_test_flowctrl(struct stmmac_priv *priv) stmmac_start_rx(priv, priv->ioaddr, i); local_bh_disable(); - napi_reschedule(&ch->rx_napi); + napi_schedule(&ch->rx_napi); local_bh_enable(); } |