diff options
Diffstat (limited to 'drivers/net/ethernet/freescale')
21 files changed, 1462 insertions, 278 deletions
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig index a2d7300925a8..bbef47c3480c 100644 --- a/drivers/net/ethernet/freescale/Kconfig +++ b/drivers/net/ethernet/freescale/Kconfig @@ -71,7 +71,6 @@ config FSL_XGMAC_MDIO tristate "Freescale XGMAC MDIO" select PHYLIB depends on OF - select MDIO_DEVRES select OF_MDIO help This driver supports the MDIO bus on the Fman 10G Ethernet MACs, and diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 4948b4906584..23c23cca2620 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -3089,15 +3089,25 @@ static int dpaa_xdp_xmit(struct net_device *net_dev, int n, return nxmit; } -static int dpaa_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +static int dpaa_hwtstamp_get(struct net_device *dev, + struct kernel_hwtstamp_config *config) { struct dpaa_priv *priv = netdev_priv(dev); - struct hwtstamp_config config; - if (copy_from_user(&config, rq->ifr_data, sizeof(config))) - return -EFAULT; + config->tx_type = priv->tx_tstamp ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + config->rx_filter = priv->rx_tstamp ? HWTSTAMP_FILTER_ALL : + HWTSTAMP_FILTER_NONE; - switch (config.tx_type) { + return 0; +} + +static int dpaa_hwtstamp_set(struct net_device *dev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) +{ + struct dpaa_priv *priv = netdev_priv(dev); + + switch (config->tx_type) { case HWTSTAMP_TX_OFF: /* Couldn't disable rx/tx timestamping separately. * Do nothing here. @@ -3112,7 +3122,7 @@ static int dpaa_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return -ERANGE; } - if (config.rx_filter == HWTSTAMP_FILTER_NONE) { + if (config->rx_filter == HWTSTAMP_FILTER_NONE) { /* Couldn't disable rx/tx timestamping separately. * Do nothing here. */ @@ -3121,28 +3131,17 @@ static int dpaa_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) priv->mac_dev->set_tstamp(priv->mac_dev->fman_mac, true); priv->rx_tstamp = true; /* TS is set for all frame types, not only those requested */ - config.rx_filter = HWTSTAMP_FILTER_ALL; + config->rx_filter = HWTSTAMP_FILTER_ALL; } - return copy_to_user(rq->ifr_data, &config, sizeof(config)) ? - -EFAULT : 0; + return 0; } static int dpaa_ioctl(struct net_device *net_dev, struct ifreq *rq, int cmd) { - int ret = -EINVAL; struct dpaa_priv *priv = netdev_priv(net_dev); - if (cmd == SIOCGMIIREG) { - if (net_dev->phydev) - return phylink_mii_ioctl(priv->mac_dev->phylink, rq, - cmd); - } - - if (cmd == SIOCSHWTSTAMP) - return dpaa_ts_ioctl(net_dev, rq, cmd); - - return ret; + return phylink_mii_ioctl(priv->mac_dev->phylink, rq, cmd); } static const struct net_device_ops dpaa_ops = { @@ -3160,6 +3159,8 @@ static const struct net_device_ops dpaa_ops = { .ndo_change_mtu = dpaa_change_mtu, .ndo_bpf = dpaa_xdp, .ndo_xdp_xmit = dpaa_xdp_xmit, + .ndo_hwtstamp_get = dpaa_hwtstamp_get, + .ndo_hwtstamp_set = dpaa_hwtstamp_set, }; static int dpaa_napi_add(struct net_device *net_dev) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 29886a8ba73f..2ec2c3dab250 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -2585,40 +2585,52 @@ static int dpaa2_eth_set_features(struct net_device *net_dev, return 0; } -static int dpaa2_eth_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +static int dpaa2_eth_hwtstamp_set(struct net_device *dev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) { struct dpaa2_eth_priv *priv = netdev_priv(dev); - struct hwtstamp_config config; if (!dpaa2_ptp) return -EINVAL; - if (copy_from_user(&config, rq->ifr_data, sizeof(config))) - return -EFAULT; - - switch (config.tx_type) { + switch (config->tx_type) { case HWTSTAMP_TX_OFF: case HWTSTAMP_TX_ON: case HWTSTAMP_TX_ONESTEP_SYNC: - priv->tx_tstamp_type = config.tx_type; + priv->tx_tstamp_type = config->tx_type; break; default: return -ERANGE; } - if (config.rx_filter == HWTSTAMP_FILTER_NONE) { + if (config->rx_filter == HWTSTAMP_FILTER_NONE) { priv->rx_tstamp = false; } else { priv->rx_tstamp = true; /* TS is set for all frame types, not only those requested */ - config.rx_filter = HWTSTAMP_FILTER_ALL; + config->rx_filter = HWTSTAMP_FILTER_ALL; } if (priv->tx_tstamp_type == HWTSTAMP_TX_ONESTEP_SYNC) dpaa2_ptp_onestep_reg_update_method(priv); - return copy_to_user(rq->ifr_data, &config, sizeof(config)) ? - -EFAULT : 0; + return 0; +} + +static int dpaa2_eth_hwtstamp_get(struct net_device *dev, + struct kernel_hwtstamp_config *config) +{ + struct dpaa2_eth_priv *priv = netdev_priv(dev); + + if (!dpaa2_ptp) + return -EINVAL; + + config->tx_type = priv->tx_tstamp_type; + config->rx_filter = priv->rx_tstamp ? HWTSTAMP_FILTER_ALL : + HWTSTAMP_FILTER_NONE; + + return 0; } static int dpaa2_eth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) @@ -2626,9 +2638,6 @@ static int dpaa2_eth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) struct dpaa2_eth_priv *priv = netdev_priv(dev); int err; - if (cmd == SIOCSHWTSTAMP) - return dpaa2_eth_ts_ioctl(dev, rq, cmd); - mutex_lock(&priv->mac_lock); if (dpaa2_eth_is_type_phy(priv)) { @@ -3034,7 +3043,9 @@ static const struct net_device_ops dpaa2_eth_ops = { .ndo_xsk_wakeup = dpaa2_xsk_wakeup, .ndo_setup_tc = dpaa2_eth_setup_tc, .ndo_vlan_rx_add_vid = dpaa2_eth_rx_add_vid, - .ndo_vlan_rx_kill_vid = dpaa2_eth_rx_kill_vid + .ndo_vlan_rx_kill_vid = dpaa2_eth_rx_kill_vid, + .ndo_hwtstamp_get = dpaa2_eth_hwtstamp_get, + .ndo_hwtstamp_set = dpaa2_eth_hwtstamp_set, }; static void dpaa2_eth_cdan_cb(struct dpaa2_io_notification_ctx *ctx) diff --git a/drivers/net/ethernet/freescale/enetc/Kconfig b/drivers/net/ethernet/freescale/enetc/Kconfig index 6c2779047dcd..e917132d3714 100644 --- a/drivers/net/ethernet/freescale/enetc/Kconfig +++ b/drivers/net/ethernet/freescale/enetc/Kconfig @@ -15,10 +15,16 @@ config NXP_ENETC_PF_COMMON If compiled as module (M), the module name is nxp-enetc-pf-common. +config NXP_NETC_LIB + tristate + help + This module provides common functionalities for both ENETC and NETC + Switch, such as NETC Table Management Protocol (NTMP) 2.0, common tc + flower and debugfs interfaces and so on. + config FSL_ENETC tristate "ENETC PF driver" depends on PCI_MSI - select MDIO_DEVRES select FSL_ENETC_CORE select FSL_ENETC_IERB select FSL_ENETC_MDIO @@ -36,10 +42,10 @@ config FSL_ENETC config NXP_ENETC4 tristate "ENETC4 PF driver" depends on PCI_MSI - select MDIO_DEVRES select FSL_ENETC_CORE select FSL_ENETC_MDIO select NXP_ENETC_PF_COMMON + select NXP_NETC_LIB select PHYLINK select DIMLIB help @@ -73,7 +79,7 @@ config FSL_ENETC_IERB config FSL_ENETC_MDIO tristate "ENETC MDIO driver" - depends on PCI && MDIO_DEVRES && MDIO_BUS + depends on PCI && PHYLIB help This driver supports NXP ENETC Central MDIO controller as a PCIe physical function (PF) device. diff --git a/drivers/net/ethernet/freescale/enetc/Makefile b/drivers/net/ethernet/freescale/enetc/Makefile index 6fd27ee4fcd1..f1c5ad45fd76 100644 --- a/drivers/net/ethernet/freescale/enetc/Makefile +++ b/drivers/net/ethernet/freescale/enetc/Makefile @@ -6,6 +6,9 @@ fsl-enetc-core-y := enetc.o enetc_cbdr.o enetc_ethtool.o obj-$(CONFIG_NXP_ENETC_PF_COMMON) += nxp-enetc-pf-common.o nxp-enetc-pf-common-y := enetc_pf_common.o +obj-$(CONFIG_NXP_NETC_LIB) += nxp-netc-lib.o +nxp-netc-lib-y := ntmp.o + obj-$(CONFIG_FSL_ENETC) += fsl-enetc.o fsl-enetc-y := enetc_pf.o fsl-enetc-$(CONFIG_PCI_IOV) += enetc_msg.o @@ -13,6 +16,7 @@ fsl-enetc-$(CONFIG_FSL_ENETC_QOS) += enetc_qos.o obj-$(CONFIG_NXP_ENETC4) += nxp-enetc4.o nxp-enetc4-y := enetc4_pf.o +nxp-enetc4-$(CONFIG_DEBUG_FS) += enetc4_debugfs.o obj-$(CONFIG_FSL_ENETC_VF) += fsl-enetc-vf.o fsl-enetc-vf-y := enetc_vf.o diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 3ee52f4b1166..dcc3fbac3481 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -36,6 +36,42 @@ static void enetc_change_preemptible_tcs(struct enetc_ndev_priv *priv, enetc_mm_commit_preemptible_tcs(priv); } +static int enetc_mac_addr_hash_idx(const u8 *addr) +{ + u64 fold = __swab64(ether_addr_to_u64(addr)) >> 16; + u64 mask = 0; + int res = 0; + int i; + + for (i = 0; i < 8; i++) + mask |= BIT_ULL(i * 6); + + for (i = 0; i < 6; i++) + res |= (hweight64(fold & (mask << i)) & 0x1) << i; + + return res; +} + +void enetc_add_mac_addr_ht_filter(struct enetc_mac_filter *filter, + const unsigned char *addr) +{ + int idx = enetc_mac_addr_hash_idx(addr); + + /* add hash table entry */ + __set_bit(idx, filter->mac_hash_table); + filter->mac_addr_cnt++; +} +EXPORT_SYMBOL_GPL(enetc_add_mac_addr_ht_filter); + +void enetc_reset_mac_addr_filter(struct enetc_mac_filter *filter) +{ + filter->mac_addr_cnt = 0; + + bitmap_zero(filter->mac_hash_table, + ENETC_MADDR_HASH_TBL_SZ); +} +EXPORT_SYMBOL_GPL(enetc_reset_mac_addr_filter); + static int enetc_num_stack_tx_queues(struct enetc_ndev_priv *priv) { int num_tx_rings = priv->num_tx_rings; @@ -2379,7 +2415,7 @@ static int enetc_setup_default_rss_table(struct enetc_si *si, int num_groups) for (i = 0; i < si->num_rss; i++) rss_table[i] = i % num_groups; - enetc_set_rss_table(si, rss_table, si->num_rss); + si->ops->set_rss_table(si, rss_table, si->num_rss); kfree(rss_table); @@ -2394,6 +2430,20 @@ static void enetc_set_lso_flags_mask(struct enetc_hw *hw) enetc_wr(hw, ENETC4_SILSOSFMR1, 0); } +static void enetc_set_rss(struct net_device *ndev, int en) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; + u32 reg; + + enetc_wr(hw, ENETC_SIRBGCR, priv->num_rx_rings); + + reg = enetc_rd(hw, ENETC_SIMR); + reg &= ~ENETC_SIMR_RSSE; + reg |= (en) ? ENETC_SIMR_RSSE : 0; + enetc_wr(hw, ENETC_SIMR, reg); +} + int enetc_configure_si(struct enetc_ndev_priv *priv) { struct enetc_si *si = priv->si; @@ -2410,13 +2460,13 @@ int enetc_configure_si(struct enetc_ndev_priv *priv) if (si->hw_features & ENETC_SI_F_LSO) enetc_set_lso_flags_mask(hw); - /* TODO: RSS support for i.MX95 will be supported later, and the - * is_enetc_rev1() condition will be removed - */ - if (si->num_rss && is_enetc_rev1(si)) { + if (si->num_rss) { err = enetc_setup_default_rss_table(si, priv->num_rx_rings); if (err) return err; + + if (priv->ndev->features & NETIF_F_RXHASH) + enetc_set_rss(priv->ndev, true); } return 0; @@ -3209,22 +3259,6 @@ struct net_device_stats *enetc_get_stats(struct net_device *ndev) } EXPORT_SYMBOL_GPL(enetc_get_stats); -static int enetc_set_rss(struct net_device *ndev, int en) -{ - struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_hw *hw = &priv->si->hw; - u32 reg; - - enetc_wr(hw, ENETC_SIRBGCR, priv->num_rx_rings); - - reg = enetc_rd(hw, ENETC_SIMR); - reg &= ~ENETC_SIMR_RSSE; - reg |= (en) ? ENETC_SIMR_RSSE : 0; - enetc_wr(hw, ENETC_SIMR, reg); - - return 0; -} - static void enetc_enable_rxvlan(struct net_device *ndev, bool en) { struct enetc_ndev_priv *priv = netdev_priv(ndev); @@ -3262,16 +3296,17 @@ void enetc_set_features(struct net_device *ndev, netdev_features_t features) } EXPORT_SYMBOL_GPL(enetc_set_features); -static int enetc_hwtstamp_set(struct net_device *ndev, struct ifreq *ifr) +int enetc_hwtstamp_set(struct net_device *ndev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) { struct enetc_ndev_priv *priv = netdev_priv(ndev); int err, new_offloads = priv->active_offloads; - struct hwtstamp_config config; - if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) - return -EFAULT; + if (!IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK)) + return -EOPNOTSUPP; - switch (config.tx_type) { + switch (config->tx_type) { case HWTSTAMP_TX_OFF: new_offloads &= ~ENETC_F_TX_TSTAMP_MASK; break; @@ -3290,13 +3325,13 @@ static int enetc_hwtstamp_set(struct net_device *ndev, struct ifreq *ifr) return -ERANGE; } - switch (config.rx_filter) { + switch (config->rx_filter) { case HWTSTAMP_FILTER_NONE: new_offloads &= ~ENETC_F_RX_TSTAMP; break; default: new_offloads |= ENETC_F_RX_TSTAMP; - config.rx_filter = HWTSTAMP_FILTER_ALL; + config->rx_filter = HWTSTAMP_FILTER_ALL; } if ((new_offloads ^ priv->active_offloads) & ENETC_F_RX_TSTAMP) { @@ -3309,42 +3344,36 @@ static int enetc_hwtstamp_set(struct net_device *ndev, struct ifreq *ifr) priv->active_offloads = new_offloads; - return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? - -EFAULT : 0; + return 0; } +EXPORT_SYMBOL_GPL(enetc_hwtstamp_set); -static int enetc_hwtstamp_get(struct net_device *ndev, struct ifreq *ifr) +int enetc_hwtstamp_get(struct net_device *ndev, + struct kernel_hwtstamp_config *config) { struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct hwtstamp_config config; - config.flags = 0; + if (!IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK)) + return -EOPNOTSUPP; if (priv->active_offloads & ENETC_F_TX_ONESTEP_SYNC_TSTAMP) - config.tx_type = HWTSTAMP_TX_ONESTEP_SYNC; + config->tx_type = HWTSTAMP_TX_ONESTEP_SYNC; else if (priv->active_offloads & ENETC_F_TX_TSTAMP) - config.tx_type = HWTSTAMP_TX_ON; + config->tx_type = HWTSTAMP_TX_ON; else - config.tx_type = HWTSTAMP_TX_OFF; + config->tx_type = HWTSTAMP_TX_OFF; - config.rx_filter = (priv->active_offloads & ENETC_F_RX_TSTAMP) ? - HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE; + config->rx_filter = (priv->active_offloads & ENETC_F_RX_TSTAMP) ? + HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE; - return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? - -EFAULT : 0; + return 0; } +EXPORT_SYMBOL_GPL(enetc_hwtstamp_get); int enetc_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) { struct enetc_ndev_priv *priv = netdev_priv(ndev); - if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK)) { - if (cmd == SIOCSHWTSTAMP) - return enetc_hwtstamp_set(ndev, rq); - if (cmd == SIOCGHWTSTAMP) - return enetc_hwtstamp_get(ndev, rq); - } - if (!priv->phylink) return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index 4ad4eb5c5a74..872d2cbd088b 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -8,6 +8,7 @@ #include <linux/dma-mapping.h> #include <linux/skbuff.h> #include <linux/ethtool.h> +#include <linux/fsl/ntmp.h> #include <linux/if_vlan.h> #include <linux/phylink.h> #include <linux/dim.h> @@ -22,6 +23,18 @@ #define ENETC_CBD_DATA_MEM_ALIGN 64 +#define ENETC_MADDR_HASH_TBL_SZ 64 + +enum enetc_mac_addr_type {UC, MC, MADDR_TYPE}; + +struct enetc_mac_filter { + union { + char mac_addr[ETH_ALEN]; + DECLARE_BITMAP(mac_hash_table, ENETC_MADDR_HASH_TBL_SZ); + }; + int mac_addr_cnt; +}; + struct enetc_tx_swbd { union { struct sk_buff *skb; @@ -266,6 +279,19 @@ struct enetc_platform_info { const struct enetc_drvdata *data; }; +struct enetc_si; + +/* + * This structure defines the some common hooks for ENETC PSI and VSI. + * In addition, since VSI only uses the struct enetc_si as its private + * driver data, so this structure also define some hooks specifically + * for VSI. For VSI-specific hooks, the format is ‘vf_*()’. + */ +struct enetc_si_ops { + int (*get_rss_table)(struct enetc_si *si, u32 *table, int count); + int (*set_rss_table)(struct enetc_si *si, const u32 *table, int count); +}; + /* PCI IEP device data */ struct enetc_si { struct pci_dev *pdev; @@ -274,7 +300,10 @@ struct enetc_si { struct net_device *ndev; /* back ref. */ - struct enetc_cbdr cbd_ring; + union { + struct enetc_cbdr cbd_ring; /* Only ENETC 1.0 */ + struct ntmp_user ntmp_user; /* ENETC 4.1 and later */ + }; int num_rx_rings; /* how many rings are available in the SI */ int num_tx_rings; @@ -284,6 +313,11 @@ struct enetc_si { u16 revision; int hw_features; const struct enetc_drvdata *drvdata; + const struct enetc_si_ops *ops; + + struct workqueue_struct *workqueue; + struct work_struct rx_mode_task; + struct dentry *debugfs_root; }; #define ENETC_SI_ALIGN 32 @@ -466,6 +500,9 @@ int enetc_alloc_si_resources(struct enetc_ndev_priv *priv); void enetc_free_si_resources(struct enetc_ndev_priv *priv); int enetc_configure_si(struct enetc_ndev_priv *priv); int enetc_get_driver_data(struct enetc_si *si); +void enetc_add_mac_addr_ht_filter(struct enetc_mac_filter *filter, + const unsigned char *addr); +void enetc_reset_mac_addr_filter(struct enetc_mac_filter *filter); int enetc_open(struct net_device *ndev); int enetc_close(struct net_device *ndev); @@ -481,6 +518,12 @@ int enetc_setup_bpf(struct net_device *ndev, struct netdev_bpf *bpf); int enetc_xdp_xmit(struct net_device *ndev, int num_frames, struct xdp_frame **frames, u32 flags); +int enetc_hwtstamp_get(struct net_device *ndev, + struct kernel_hwtstamp_config *config); +int enetc_hwtstamp_set(struct net_device *ndev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack); + /* ethtool */ extern const struct ethtool_ops enetc_pf_ethtool_ops; extern const struct ethtool_ops enetc4_pf_ethtool_ops; @@ -493,15 +536,19 @@ void enetc_mm_commit_preemptible_tcs(struct enetc_ndev_priv *priv); int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw, int bd_count, struct enetc_cbdr *cbdr); void enetc_teardown_cbdr(struct enetc_cbdr *cbdr); +int enetc4_setup_cbdr(struct enetc_si *si); +void enetc4_teardown_cbdr(struct enetc_si *si); int enetc_set_mac_flt_entry(struct enetc_si *si, int index, char *mac_addr, int si_map); int enetc_clear_mac_flt_entry(struct enetc_si *si, int index); int enetc_set_fs_entry(struct enetc_si *si, struct enetc_cmd_rfse *rfse, int index); -void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes); +void enetc_set_rss_key(struct enetc_si *si, const u8 *bytes); int enetc_get_rss_table(struct enetc_si *si, u32 *table, int count); int enetc_set_rss_table(struct enetc_si *si, const u32 *table, int count); int enetc_send_cmd(struct enetc_si *si, struct enetc_cbd *cbd); +int enetc4_get_rss_table(struct enetc_si *si, u32 *table, int count); +int enetc4_set_rss_table(struct enetc_si *si, const u32 *table, int count); static inline void *enetc_cbd_alloc_data_mem(struct enetc_si *si, struct enetc_cbd *cbd, diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c b/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c new file mode 100644 index 000000000000..1b1591dce73d --- /dev/null +++ b/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright 2025 NXP */ + +#include <linux/device.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/string_choices.h> + +#include "enetc_pf.h" +#include "enetc4_debugfs.h" + +static void enetc_show_si_mac_hash_filter(struct seq_file *s, int i) +{ + struct enetc_si *si = s->private; + struct enetc_hw *hw = &si->hw; + u32 hash_h, hash_l; + + hash_l = enetc_port_rd(hw, ENETC4_PSIUMHFR0(i)); + hash_h = enetc_port_rd(hw, ENETC4_PSIUMHFR1(i)); + seq_printf(s, "SI %d unicast MAC hash filter: 0x%08x%08x\n", + i, hash_h, hash_l); + + hash_l = enetc_port_rd(hw, ENETC4_PSIMMHFR0(i)); + hash_h = enetc_port_rd(hw, ENETC4_PSIMMHFR1(i)); + seq_printf(s, "SI %d multicast MAC hash filter: 0x%08x%08x\n", + i, hash_h, hash_l); +} + +static int enetc_mac_filter_show(struct seq_file *s, void *data) +{ + struct enetc_si *si = s->private; + struct enetc_hw *hw = &si->hw; + struct maft_entry_data maft; + struct enetc_pf *pf; + int i, err, num_si; + u32 val; + + pf = enetc_si_priv(si); + num_si = pf->caps.num_vsi + 1; + + val = enetc_port_rd(hw, ENETC4_PSIPMMR); + for (i = 0; i < num_si; i++) { + seq_printf(s, "SI %d Unicast Promiscuous mode: %s\n", i, + str_enabled_disabled(PSIPMMR_SI_MAC_UP(i) & val)); + seq_printf(s, "SI %d Multicast Promiscuous mode: %s\n", i, + str_enabled_disabled(PSIPMMR_SI_MAC_MP(i) & val)); + } + + /* MAC hash filter table */ + for (i = 0; i < num_si; i++) + enetc_show_si_mac_hash_filter(s, i); + + if (!pf->num_mfe) + return 0; + + /* MAC address filter table */ + seq_puts(s, "MAC address filter table\n"); + for (i = 0; i < pf->num_mfe; i++) { + memset(&maft, 0, sizeof(maft)); + err = ntmp_maft_query_entry(&si->ntmp_user, i, &maft); + if (err) + return err; + + seq_printf(s, "Entry %d, MAC: %pM, SI bitmap: 0x%04x\n", i, + maft.keye.mac_addr, le16_to_cpu(maft.cfge.si_bitmap)); + } + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(enetc_mac_filter); + +void enetc_create_debugfs(struct enetc_si *si) +{ + struct net_device *ndev = si->ndev; + struct dentry *root; + + root = debugfs_create_dir(netdev_name(ndev), NULL); + if (IS_ERR(root)) + return; + + si->debugfs_root = root; + + debugfs_create_file("mac_filter", 0444, root, si, &enetc_mac_filter_fops); +} + +void enetc_remove_debugfs(struct enetc_si *si) +{ + debugfs_remove(si->debugfs_root); + si->debugfs_root = NULL; +} diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.h b/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.h new file mode 100644 index 000000000000..96caca35f79d --- /dev/null +++ b/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* Copyright 2025 NXP */ + +#ifndef __ENETC4_DEBUGFS_H +#define __ENETC4_DEBUGFS_H + +#if IS_ENABLED(CONFIG_DEBUG_FS) +void enetc_create_debugfs(struct enetc_si *si); +void enetc_remove_debugfs(struct enetc_si *si); +#else +static inline void enetc_create_debugfs(struct enetc_si *si) +{ +} + +static inline void enetc_remove_debugfs(struct enetc_si *si) +{ +} +#endif + +#endif diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_hw.h b/drivers/net/ethernet/freescale/enetc/enetc4_hw.h index 695cb07c74bc..aa25b445d301 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc4_hw.h +++ b/drivers/net/ethernet/freescale/enetc/enetc4_hw.h @@ -99,6 +99,18 @@ #define ENETC4_PSICFGR2(a) ((a) * 0x80 + 0x2018) #define PSICFGR2_NUM_MSIX GENMASK(5, 0) +/* Port station interface a unicast MAC hash filter register 0/1 */ +#define ENETC4_PSIUMHFR0(a) ((a) * 0x80 + 0x2050) +#define ENETC4_PSIUMHFR1(a) ((a) * 0x80 + 0x2054) + +/* Port station interface a multicast MAC hash filter register 0/1 */ +#define ENETC4_PSIMMHFR0(a) ((a) * 0x80 + 0x2058) +#define ENETC4_PSIMMHFR1(a) ((a) * 0x80 + 0x205c) + +/* Port station interface a VLAN hash filter register 0/1 */ +#define ENETC4_PSIVHFR0(a) ((a) * 0x80 + 0x2060) +#define ENETC4_PSIVHFR1(a) ((a) * 0x80 + 0x2064) + #define ENETC4_PMCAPR 0x4004 #define PMCAPR_HD BIT(8) #define PMCAPR_FP GENMASK(10, 9) diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_pf.c b/drivers/net/ethernet/freescale/enetc/enetc4_pf.c index 73ac8c6afb3a..b3dc1afeefd1 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc4_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc4_pf.c @@ -8,9 +8,19 @@ #include <linux/unaligned.h> #include "enetc_pf_common.h" +#include "enetc4_debugfs.h" #define ENETC_SI_MAX_RING_NUM 8 +#define ENETC_MAC_FILTER_TYPE_UC BIT(0) +#define ENETC_MAC_FILTER_TYPE_MC BIT(1) +#define ENETC_MAC_FILTER_TYPE_ALL (ENETC_MAC_FILTER_TYPE_UC | \ + ENETC_MAC_FILTER_TYPE_MC) + +struct enetc_mac_addr { + u8 addr[ETH_ALEN]; +}; + static void enetc4_get_port_caps(struct enetc_pf *pf) { struct enetc_hw *hw = &pf->si->hw; @@ -26,6 +36,9 @@ static void enetc4_get_port_caps(struct enetc_pf *pf) val = enetc_port_rd(hw, ENETC4_PMCAPR); pf->caps.half_duplex = (val & PMCAPR_HD) ? 1 : 0; + + val = enetc_port_rd(hw, ENETC4_PSIMAFCAPR); + pf->caps.mac_filter_num = val & PSIMAFCAPR_NUM_MAC_AFTE; } static void enetc4_pf_set_si_primary_mac(struct enetc_hw *hw, int si, @@ -56,6 +69,200 @@ static void enetc4_pf_get_si_primary_mac(struct enetc_hw *hw, int si, put_unaligned_le16(lower, addr + 4); } +static void enetc4_pf_set_si_mac_promisc(struct enetc_hw *hw, int si, + bool uc_promisc, bool mc_promisc) +{ + u32 val = enetc_port_rd(hw, ENETC4_PSIPMMR); + + if (uc_promisc) + val |= PSIPMMR_SI_MAC_UP(si); + else + val &= ~PSIPMMR_SI_MAC_UP(si); + + if (mc_promisc) + val |= PSIPMMR_SI_MAC_MP(si); + else + val &= ~PSIPMMR_SI_MAC_MP(si); + + enetc_port_wr(hw, ENETC4_PSIPMMR, val); +} + +static void enetc4_pf_set_si_uc_hash_filter(struct enetc_hw *hw, int si, + u64 hash) +{ + enetc_port_wr(hw, ENETC4_PSIUMHFR0(si), lower_32_bits(hash)); + enetc_port_wr(hw, ENETC4_PSIUMHFR1(si), upper_32_bits(hash)); +} + +static void enetc4_pf_set_si_mc_hash_filter(struct enetc_hw *hw, int si, + u64 hash) +{ + enetc_port_wr(hw, ENETC4_PSIMMHFR0(si), lower_32_bits(hash)); + enetc_port_wr(hw, ENETC4_PSIMMHFR1(si), upper_32_bits(hash)); +} + +static void enetc4_pf_set_loopback(struct net_device *ndev, bool en) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_si *si = priv->si; + u32 val; + + val = enetc_port_mac_rd(si, ENETC4_PM_CMD_CFG(0)); + val = u32_replace_bits(val, en ? 1 : 0, PM_CMD_CFG_LOOP_EN); + /* Default to select MAC level loopback mode if loopback is enabled. */ + val = u32_replace_bits(val, en ? LPBCK_MODE_MAC_LEVEL : 0, + PM_CMD_CFG_LPBK_MODE); + + enetc_port_mac_wr(si, ENETC4_PM_CMD_CFG(0), val); +} + +static void enetc4_pf_clear_maft_entries(struct enetc_pf *pf) +{ + int i; + + for (i = 0; i < pf->num_mfe; i++) + ntmp_maft_delete_entry(&pf->si->ntmp_user, i); + + pf->num_mfe = 0; +} + +static int enetc4_pf_add_maft_entries(struct enetc_pf *pf, + struct enetc_mac_addr *mac, + int mac_cnt) +{ + struct maft_entry_data maft = {}; + u16 si_bit = BIT(0); + int i, err; + + maft.cfge.si_bitmap = cpu_to_le16(si_bit); + for (i = 0; i < mac_cnt; i++) { + ether_addr_copy(maft.keye.mac_addr, mac[i].addr); + err = ntmp_maft_add_entry(&pf->si->ntmp_user, i, &maft); + if (unlikely(err)) { + pf->num_mfe = i; + goto clear_maft_entries; + } + } + + pf->num_mfe = mac_cnt; + + return 0; + +clear_maft_entries: + enetc4_pf_clear_maft_entries(pf); + + return err; +} + +static int enetc4_pf_set_uc_exact_filter(struct enetc_pf *pf) +{ + int max_num_mfe = pf->caps.mac_filter_num; + struct enetc_mac_filter mac_filter = {}; + struct net_device *ndev = pf->si->ndev; + struct enetc_hw *hw = &pf->si->hw; + struct enetc_mac_addr *mac_tbl; + struct netdev_hw_addr *ha; + int i = 0, err; + int mac_cnt; + + netif_addr_lock_bh(ndev); + + mac_cnt = netdev_uc_count(ndev); + if (!mac_cnt) { + netif_addr_unlock_bh(ndev); + /* clear both MAC hash and exact filters */ + enetc4_pf_set_si_uc_hash_filter(hw, 0, 0); + enetc4_pf_clear_maft_entries(pf); + + return 0; + } + + if (mac_cnt > max_num_mfe) { + err = -ENOSPC; + goto unlock_netif_addr; + } + + mac_tbl = kcalloc(mac_cnt, sizeof(*mac_tbl), GFP_ATOMIC); + if (!mac_tbl) { + err = -ENOMEM; + goto unlock_netif_addr; + } + + netdev_for_each_uc_addr(ha, ndev) { + enetc_add_mac_addr_ht_filter(&mac_filter, ha->addr); + ether_addr_copy(mac_tbl[i++].addr, ha->addr); + } + + netif_addr_unlock_bh(ndev); + + /* Set temporary unicast hash filters in case of Rx loss when + * updating MAC address filter table + */ + enetc4_pf_set_si_uc_hash_filter(hw, 0, *mac_filter.mac_hash_table); + enetc4_pf_clear_maft_entries(pf); + + if (!enetc4_pf_add_maft_entries(pf, mac_tbl, i)) + enetc4_pf_set_si_uc_hash_filter(hw, 0, 0); + + kfree(mac_tbl); + + return 0; + +unlock_netif_addr: + netif_addr_unlock_bh(ndev); + + return err; +} + +static void enetc4_pf_set_mac_hash_filter(struct enetc_pf *pf, int type) +{ + struct net_device *ndev = pf->si->ndev; + struct enetc_mac_filter *mac_filter; + struct enetc_hw *hw = &pf->si->hw; + struct netdev_hw_addr *ha; + + netif_addr_lock_bh(ndev); + if (type & ENETC_MAC_FILTER_TYPE_UC) { + mac_filter = &pf->mac_filter[UC]; + enetc_reset_mac_addr_filter(mac_filter); + netdev_for_each_uc_addr(ha, ndev) + enetc_add_mac_addr_ht_filter(mac_filter, ha->addr); + + enetc4_pf_set_si_uc_hash_filter(hw, 0, + *mac_filter->mac_hash_table); + } + + if (type & ENETC_MAC_FILTER_TYPE_MC) { + mac_filter = &pf->mac_filter[MC]; + enetc_reset_mac_addr_filter(mac_filter); + netdev_for_each_mc_addr(ha, ndev) + enetc_add_mac_addr_ht_filter(mac_filter, ha->addr); + + enetc4_pf_set_si_mc_hash_filter(hw, 0, + *mac_filter->mac_hash_table); + } + netif_addr_unlock_bh(ndev); +} + +static void enetc4_pf_set_mac_filter(struct enetc_pf *pf, int type) +{ + /* Currently, the MAC address filter table (MAFT) only has 4 entries, + * and multiple multicast addresses for filtering will be configured + * in the default network configuration, so MAFT is only suitable for + * unicast filtering. If the number of unicast addresses exceeds the + * table capacity, the MAC hash filter will be used. + */ + if (type & ENETC_MAC_FILTER_TYPE_UC && enetc4_pf_set_uc_exact_filter(pf)) { + /* Fall back to the MAC hash filter */ + enetc4_pf_set_mac_hash_filter(pf, ENETC_MAC_FILTER_TYPE_UC); + /* Clear the old MAC exact filter */ + enetc4_pf_clear_maft_entries(pf); + } + + if (type & ENETC_MAC_FILTER_TYPE_MC) + enetc4_pf_set_mac_hash_filter(pf, ENETC_MAC_FILTER_TYPE_MC); +} + static const struct enetc_pf_ops enetc4_pf_ops = { .set_si_primary_mac = enetc4_pf_set_si_primary_mac, .get_si_primary_mac = enetc4_pf_get_si_primary_mac, @@ -226,24 +433,6 @@ static void enetc4_set_trx_frame_size(struct enetc_pf *pf) enetc4_pf_reset_tc_msdu(&si->hw); } -static void enetc4_set_rss_key(struct enetc_hw *hw, const u8 *bytes) -{ - int i; - - for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) - enetc_port_wr(hw, ENETC4_PRSSKR(i), ((u32 *)bytes)[i]); -} - -static void enetc4_set_default_rss_key(struct enetc_pf *pf) -{ - u8 hash_key[ENETC_RSSHASH_KEY_SIZE] = {0}; - struct enetc_hw *hw = &pf->si->hw; - - /* set up hash key */ - get_random_bytes(hash_key, ENETC_RSSHASH_KEY_SIZE); - enetc4_set_rss_key(hw, hash_key); -} - static void enetc4_enable_trx(struct enetc_pf *pf) { struct enetc_hw *hw = &pf->si->hw; @@ -256,10 +445,25 @@ static void enetc4_configure_port(struct enetc_pf *pf) { enetc4_configure_port_si(pf); enetc4_set_trx_frame_size(pf); - enetc4_set_default_rss_key(pf); + enetc_set_default_rss_key(pf); enetc4_enable_trx(pf); } +static int enetc4_init_ntmp_user(struct enetc_si *si) +{ + struct ntmp_user *user = &si->ntmp_user; + + /* For ENETC 4.1, all table versions are 0 */ + memset(&user->tbl, 0, sizeof(user->tbl)); + + return enetc4_setup_cbdr(si); +} + +static void enetc4_free_ntmp_user(struct enetc_si *si) +{ + enetc4_teardown_cbdr(si); +} + static int enetc4_pf_init(struct enetc_pf *pf) { struct device *dev = &pf->si->pdev->dev; @@ -272,17 +476,99 @@ static int enetc4_pf_init(struct enetc_pf *pf) return err; } + err = enetc4_init_ntmp_user(pf->si); + if (err) { + dev_err(dev, "Failed to init CBDR\n"); + return err; + } + enetc4_configure_port(pf); return 0; } +static void enetc4_pf_free(struct enetc_pf *pf) +{ + enetc4_free_ntmp_user(pf->si); +} + +static void enetc4_psi_do_set_rx_mode(struct work_struct *work) +{ + struct enetc_si *si = container_of(work, struct enetc_si, rx_mode_task); + struct enetc_pf *pf = enetc_si_priv(si); + struct net_device *ndev = si->ndev; + struct enetc_hw *hw = &si->hw; + bool uc_promisc = false; + bool mc_promisc = false; + int type = 0; + + rtnl_lock(); + + if (ndev->flags & IFF_PROMISC) { + uc_promisc = true; + mc_promisc = true; + } else if (ndev->flags & IFF_ALLMULTI) { + mc_promisc = true; + type = ENETC_MAC_FILTER_TYPE_UC; + } else { + type = ENETC_MAC_FILTER_TYPE_ALL; + } + + enetc4_pf_set_si_mac_promisc(hw, 0, uc_promisc, mc_promisc); + + if (uc_promisc) { + enetc4_pf_set_si_uc_hash_filter(hw, 0, 0); + enetc4_pf_clear_maft_entries(pf); + } + + if (mc_promisc) + enetc4_pf_set_si_mc_hash_filter(hw, 0, 0); + + /* Set new MAC filter */ + enetc4_pf_set_mac_filter(pf, type); + + rtnl_unlock(); +} + +static void enetc4_pf_set_rx_mode(struct net_device *ndev) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_si *si = priv->si; + + queue_work(si->workqueue, &si->rx_mode_task); +} + +static int enetc4_pf_set_features(struct net_device *ndev, + netdev_features_t features) +{ + netdev_features_t changed = ndev->features ^ features; + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_hw *hw = &priv->si->hw; + + if (changed & NETIF_F_HW_VLAN_CTAG_FILTER) { + bool promisc_en = !(features & NETIF_F_HW_VLAN_CTAG_FILTER); + + enetc4_pf_set_si_vlan_promisc(hw, 0, promisc_en); + } + + if (changed & NETIF_F_LOOPBACK) + enetc4_pf_set_loopback(ndev, !!(features & NETIF_F_LOOPBACK)); + + enetc_set_features(ndev, features); + + return 0; +} + static const struct net_device_ops enetc4_ndev_ops = { .ndo_open = enetc_open, .ndo_stop = enetc_close, .ndo_start_xmit = enetc_xmit, .ndo_get_stats = enetc_get_stats, .ndo_set_mac_address = enetc_pf_set_mac_addr, + .ndo_set_rx_mode = enetc4_pf_set_rx_mode, + .ndo_set_features = enetc4_pf_set_features, + .ndo_vlan_rx_add_vid = enetc_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = enetc_vlan_rx_del_vid, }; static struct phylink_pcs * @@ -617,6 +903,19 @@ static void enetc4_link_deinit(struct enetc_ndev_priv *priv) enetc_mdiobus_destroy(pf); } +static int enetc4_psi_wq_task_init(struct enetc_si *si) +{ + char wq_name[24]; + + INIT_WORK(&si->rx_mode_task, enetc4_psi_do_set_rx_mode); + snprintf(wq_name, sizeof(wq_name), "enetc-%s", pci_name(si->pdev)); + si->workqueue = create_singlethread_workqueue(wq_name); + if (!si->workqueue) + return -ENOMEM; + + return 0; +} + static int enetc4_pf_netdev_create(struct enetc_si *si) { struct device *dev = &si->pdev->dev; @@ -657,6 +956,12 @@ static int enetc4_pf_netdev_create(struct enetc_si *si) if (err) goto err_link_init; + err = enetc4_psi_wq_task_init(si); + if (err) { + dev_err(dev, "Failed to init workqueue\n"); + goto err_wq_init; + } + err = register_netdev(ndev); if (err) { dev_err(dev, "Failed to register netdev\n"); @@ -666,6 +971,8 @@ static int enetc4_pf_netdev_create(struct enetc_si *si) return 0; err_reg_netdev: + destroy_workqueue(si->workqueue); +err_wq_init: enetc4_link_deinit(priv); err_link_init: enetc_free_msix(priv); @@ -683,11 +990,18 @@ static void enetc4_pf_netdev_destroy(struct enetc_si *si) struct net_device *ndev = si->ndev; unregister_netdev(ndev); + cancel_work(&si->rx_mode_task); + destroy_workqueue(si->workqueue); enetc4_link_deinit(priv); enetc_free_msix(priv); free_netdev(ndev); } +static const struct enetc_si_ops enetc4_psi_ops = { + .get_rss_table = enetc4_get_rss_table, + .set_rss_table = enetc4_set_rss_table, +}; + static int enetc4_pf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -712,6 +1026,7 @@ static int enetc4_pf_probe(struct pci_dev *pdev, "Couldn't map PF only space\n"); si->revision = enetc_get_ip_revision(&si->hw); + si->ops = &enetc4_psi_ops; err = enetc_get_driver_data(si); if (err) return dev_err_probe(dev, err, @@ -728,14 +1043,28 @@ static int enetc4_pf_probe(struct pci_dev *pdev, enetc_get_si_caps(si); - return enetc4_pf_netdev_create(si); + err = enetc4_pf_netdev_create(si); + if (err) + goto err_netdev_create; + + enetc_create_debugfs(si); + + return 0; + +err_netdev_create: + enetc4_pf_free(pf); + + return err; } static void enetc4_pf_remove(struct pci_dev *pdev) { struct enetc_si *si = pci_get_drvdata(pdev); + struct enetc_pf *pf = enetc_si_priv(si); + enetc_remove_debugfs(si); enetc4_pf_netdev_destroy(si); + enetc4_pf_free(pf); } static const struct pci_device_id enetc4_pf_id_table[] = { diff --git a/drivers/net/ethernet/freescale/enetc/enetc_cbdr.c b/drivers/net/ethernet/freescale/enetc/enetc_cbdr.c index 20bfdf7fb4b4..3d5f31879d5c 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_cbdr.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_cbdr.c @@ -60,6 +60,44 @@ void enetc_teardown_cbdr(struct enetc_cbdr *cbdr) } EXPORT_SYMBOL_GPL(enetc_teardown_cbdr); +int enetc4_setup_cbdr(struct enetc_si *si) +{ + struct ntmp_user *user = &si->ntmp_user; + struct device *dev = &si->pdev->dev; + struct enetc_hw *hw = &si->hw; + struct netc_cbdr_regs regs; + + user->cbdr_num = 1; + user->dev = dev; + user->ring = devm_kcalloc(dev, user->cbdr_num, + sizeof(struct netc_cbdr), GFP_KERNEL); + if (!user->ring) + return -ENOMEM; + + /* set CBDR cache attributes */ + enetc_wr(hw, ENETC_SICAR2, + ENETC_SICAR_RD_COHERENT | ENETC_SICAR_WR_COHERENT); + + regs.pir = hw->reg + ENETC_SICBDRPIR; + regs.cir = hw->reg + ENETC_SICBDRCIR; + regs.mr = hw->reg + ENETC_SICBDRMR; + regs.bar0 = hw->reg + ENETC_SICBDRBAR0; + regs.bar1 = hw->reg + ENETC_SICBDRBAR1; + regs.lenr = hw->reg + ENETC_SICBDRLENR; + + return ntmp_init_cbdr(user->ring, dev, ®s); +} +EXPORT_SYMBOL_GPL(enetc4_setup_cbdr); + +void enetc4_teardown_cbdr(struct enetc_si *si) +{ + struct ntmp_user *user = &si->ntmp_user; + + ntmp_free_cbdr(user->ring); + user->dev = NULL; +} +EXPORT_SYMBOL_GPL(enetc4_teardown_cbdr); + static void enetc_clean_cbdr(struct enetc_cbdr *ring) { struct enetc_cbd *dest_cbd; @@ -256,3 +294,15 @@ int enetc_set_rss_table(struct enetc_si *si, const u32 *table, int count) return enetc_cmd_rss_table(si, (u32 *)table, count, false); } EXPORT_SYMBOL_GPL(enetc_set_rss_table); + +int enetc4_get_rss_table(struct enetc_si *si, u32 *table, int count) +{ + return ntmp_rsst_query_entry(&si->ntmp_user, table, count); +} +EXPORT_SYMBOL_GPL(enetc4_get_rss_table); + +int enetc4_set_rss_table(struct enetc_si *si, const u32 *table, int count) +{ + return ntmp_rsst_update_entry(&si->ntmp_user, table, count); +} +EXPORT_SYMBOL_GPL(enetc4_set_rss_table); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index ece3ae28ba82..d38cd36be4a6 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -141,7 +141,7 @@ static const struct { static const struct { int reg; - char name[ETH_GSTRING_LEN]; + char name[ETH_GSTRING_LEN] __nonstring; } enetc_port_counters[] = { { ENETC_PM_REOCT(0), "MAC rx ethernet octets" }, { ENETC_PM_RALN(0), "MAC rx alignment errors" }, @@ -264,7 +264,7 @@ static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data) break; for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) - ethtool_puts(&data, enetc_port_counters[i].name); + ethtool_cpy(&data, enetc_port_counters[i].name); break; } @@ -625,6 +625,29 @@ static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc, return 0; } +/* i.MX95 ENETC does not support RFS table, but we can use ingress port + * filter table to implement Wake-on-LAN filter or drop the matched flow, + * so the implementation will be different from enetc_get_rxnfc() and + * enetc_set_rxnfc(). Therefore, add enetc4_get_rxnfc() for ENETC v4 PF. + */ +static int enetc4_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc, + u32 *rule_locs) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + + switch (rxnfc->cmd) { + case ETHTOOL_GRXRINGS: + rxnfc->data = priv->num_rx_rings; + break; + case ETHTOOL_GRXFH: + return enetc_get_rsshash(rxnfc); + default: + return -EOPNOTSUPP; + } + + return 0; +} + static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc) { struct enetc_ndev_priv *priv = netdev_priv(ndev); @@ -677,36 +700,53 @@ static u32 enetc_get_rxfh_indir_size(struct net_device *ndev) return priv->si->num_rss; } +static int enetc_get_rss_key_base(struct enetc_si *si) +{ + if (is_enetc_rev1(si)) + return ENETC_PRSSK(0); + + return ENETC4_PRSSKR(0); +} + +static void enetc_get_rss_key(struct enetc_si *si, const u8 *key) +{ + int base = enetc_get_rss_key_base(si); + struct enetc_hw *hw = &si->hw; + int i; + + for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) + ((u32 *)key)[i] = enetc_port_rd(hw, base + i * 4); +} + static int enetc_get_rxfh(struct net_device *ndev, struct ethtool_rxfh_param *rxfh) { struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_hw *hw = &priv->si->hw; - int err = 0, i; + struct enetc_si *si = priv->si; + int err = 0; /* return hash function */ rxfh->hfunc = ETH_RSS_HASH_TOP; /* return hash key */ - if (rxfh->key && hw->port) - for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) - ((u32 *)rxfh->key)[i] = enetc_port_rd(hw, - ENETC_PRSSK(i)); + if (rxfh->key && enetc_si_is_pf(si)) + enetc_get_rss_key(si, rxfh->key); /* return RSS table */ if (rxfh->indir) - err = enetc_get_rss_table(priv->si, rxfh->indir, - priv->si->num_rss); + err = si->ops->get_rss_table(si, rxfh->indir, si->num_rss); return err; } -void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes) +void enetc_set_rss_key(struct enetc_si *si, const u8 *bytes) { + int base = enetc_get_rss_key_base(si); + struct enetc_hw *hw = &si->hw; int i; for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) - enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]); + enetc_port_wr(hw, base + i * 4, ((u32 *)bytes)[i]); } EXPORT_SYMBOL_GPL(enetc_set_rss_key); @@ -715,17 +755,16 @@ static int enetc_set_rxfh(struct net_device *ndev, struct netlink_ext_ack *extack) { struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_hw *hw = &priv->si->hw; + struct enetc_si *si = priv->si; int err = 0; /* set hash key, if PF */ - if (rxfh->key && hw->port) - enetc_set_rss_key(hw, rxfh->key); + if (rxfh->key && enetc_si_is_pf(si)) + enetc_set_rss_key(si, rxfh->key); /* set RSS table */ if (rxfh->indir) - err = enetc_set_rss_table(priv->si, rxfh->indir, - priv->si->num_rss); + err = si->ops->set_rss_table(si, rxfh->indir, si->num_rss); return err; } @@ -1240,6 +1279,11 @@ const struct ethtool_ops enetc4_pf_ethtool_ops = { .set_wol = enetc_set_wol, .get_pauseparam = enetc_get_pauseparam, .set_pauseparam = enetc_set_pauseparam, + .get_rxnfc = enetc4_get_rxnfc, + .get_rxfh_key_size = enetc_get_rxfh_key_size, + .get_rxfh_indir_size = enetc_get_rxfh_indir_size, + .get_rxfh = enetc_get_rxfh, + .set_rxfh = enetc_set_rxfh, }; void enetc_set_ethtool_ops(struct net_device *ndev) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 203862ec1114..f63a29e2e031 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -72,30 +72,6 @@ static void enetc_set_isol_vlan(struct enetc_hw *hw, int si, u16 vlan, u8 qos) enetc_port_wr(hw, ENETC_PSIVLANR(si), val); } -static int enetc_mac_addr_hash_idx(const u8 *addr) -{ - u64 fold = __swab64(ether_addr_to_u64(addr)) >> 16; - u64 mask = 0; - int res = 0; - int i; - - for (i = 0; i < 8; i++) - mask |= BIT_ULL(i * 6); - - for (i = 0; i < 6; i++) - res |= (hweight64(fold & (mask << i)) & 0x1) << i; - - return res; -} - -static void enetc_reset_mac_addr_filter(struct enetc_mac_filter *filter) -{ - filter->mac_addr_cnt = 0; - - bitmap_zero(filter->mac_hash_table, - ENETC_MADDR_HASH_TBL_SZ); -} - static void enetc_add_mac_addr_em_filter(struct enetc_mac_filter *filter, const unsigned char *addr) { @@ -104,16 +80,6 @@ static void enetc_add_mac_addr_em_filter(struct enetc_mac_filter *filter, filter->mac_addr_cnt++; } -static void enetc_add_mac_addr_ht_filter(struct enetc_mac_filter *filter, - const unsigned char *addr) -{ - int idx = enetc_mac_addr_hash_idx(addr); - - /* add hash table entry */ - __set_bit(idx, filter->mac_hash_table); - filter->mac_addr_cnt++; -} - static void enetc_clear_mac_ht_flt(struct enetc_si *si, int si_idx, int type) { bool err = si->errata & ENETC_ERR_UCMCSWP; @@ -250,67 +216,6 @@ static void enetc_pf_set_rx_mode(struct net_device *ndev) enetc_port_wr(hw, ENETC_PSIPMR, psipmr); } -static void enetc_set_vlan_ht_filter(struct enetc_hw *hw, int si_idx, - unsigned long hash) -{ - enetc_port_wr(hw, ENETC_PSIVHFR0(si_idx), lower_32_bits(hash)); - enetc_port_wr(hw, ENETC_PSIVHFR1(si_idx), upper_32_bits(hash)); -} - -static int enetc_vid_hash_idx(unsigned int vid) -{ - int res = 0; - int i; - - for (i = 0; i < 6; i++) - res |= (hweight8(vid & (BIT(i) | BIT(i + 6))) & 0x1) << i; - - return res; -} - -static void enetc_sync_vlan_ht_filter(struct enetc_pf *pf, bool rehash) -{ - int i; - - if (rehash) { - bitmap_zero(pf->vlan_ht_filter, ENETC_VLAN_HT_SIZE); - - for_each_set_bit(i, pf->active_vlans, VLAN_N_VID) { - int hidx = enetc_vid_hash_idx(i); - - __set_bit(hidx, pf->vlan_ht_filter); - } - } - - enetc_set_vlan_ht_filter(&pf->si->hw, 0, *pf->vlan_ht_filter); -} - -static int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid) -{ - struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_pf *pf = enetc_si_priv(priv->si); - int idx; - - __set_bit(vid, pf->active_vlans); - - idx = enetc_vid_hash_idx(vid); - if (!__test_and_set_bit(idx, pf->vlan_ht_filter)) - enetc_sync_vlan_ht_filter(pf, false); - - return 0; -} - -static int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid) -{ - struct enetc_ndev_priv *priv = netdev_priv(ndev); - struct enetc_pf *pf = enetc_si_priv(priv->si); - - __clear_bit(vid, pf->active_vlans); - enetc_sync_vlan_ht_filter(pf, true); - - return 0; -} - static void enetc_set_loopback(struct net_device *ndev, bool en) { struct enetc_ndev_priv *priv = netdev_priv(ndev); @@ -549,7 +454,6 @@ static void enetc_mac_enable(struct enetc_si *si, bool en) static void enetc_configure_port(struct enetc_pf *pf) { - u8 hash_key[ENETC_RSSHASH_KEY_SIZE]; struct enetc_hw *hw = &pf->si->hw; enetc_configure_port_mac(pf->si); @@ -557,8 +461,7 @@ static void enetc_configure_port(struct enetc_pf *pf) enetc_port_si_configure(pf->si); /* set up hash key */ - get_random_bytes(hash_key, ENETC_RSSHASH_KEY_SIZE); - enetc_set_rss_key(hw, hash_key); + enetc_set_default_rss_key(pf); /* split up RFS entries */ enetc_port_assign_rfs_entries(pf->si); @@ -728,6 +631,8 @@ static const struct net_device_ops enetc_ndev_ops = { .ndo_setup_tc = enetc_pf_setup_tc, .ndo_bpf = enetc_setup_bpf, .ndo_xdp_xmit = enetc_xdp_xmit, + .ndo_hwtstamp_get = enetc_hwtstamp_get, + .ndo_hwtstamp_set = enetc_hwtstamp_set, }; static struct phylink_pcs * @@ -939,6 +844,11 @@ static int enetc_pf_register_with_ierb(struct pci_dev *pdev) return enetc_ierb_register_pf(ierb_pdev, pdev); } +static const struct enetc_si_ops enetc_psi_ops = { + .get_rss_table = enetc_get_rss_table, + .set_rss_table = enetc_set_rss_table, +}; + static struct enetc_si *enetc_psi_create(struct pci_dev *pdev) { struct enetc_si *si; @@ -958,6 +868,7 @@ static struct enetc_si *enetc_psi_create(struct pci_dev *pdev) } si->revision = enetc_get_ip_revision(&si->hw); + si->ops = &enetc_psi_ops; err = enetc_get_driver_data(si); if (err) { dev_err(&pdev->dev, "Could not get PF driver data\n"); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.h b/drivers/net/ethernet/freescale/enetc/enetc_pf.h index a26a12863855..ae407e9e9ee7 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.h @@ -5,19 +5,8 @@ #include <linux/phylink.h> #define ENETC_PF_NUM_RINGS 8 - -enum enetc_mac_addr_type {UC, MC, MADDR_TYPE}; #define ENETC_MAX_NUM_MAC_FLT ((ENETC_MAX_NUM_VFS + 1) * MADDR_TYPE) -#define ENETC_MADDR_HASH_TBL_SZ 64 -struct enetc_mac_filter { - union { - char mac_addr[ETH_ALEN]; - DECLARE_BITMAP(mac_hash_table, ENETC_MADDR_HASH_TBL_SZ); - }; - int mac_addr_cnt; -}; - #define ENETC_VLAN_HT_SIZE 64 enum enetc_vf_flags { @@ -34,6 +23,7 @@ struct enetc_port_caps { int num_msix; int num_rx_bdr; int num_tx_bdr; + int mac_filter_num; }; struct enetc_pf; @@ -71,6 +61,8 @@ struct enetc_pf { struct enetc_port_caps caps; const struct enetc_pf_ops *ops; + + int num_mfe; /* number of mac address filter table entries */ }; #define phylink_to_enetc_pf(config) \ diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c index 3fd9b0727875..edf14a95cab7 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.c @@ -128,14 +128,14 @@ void enetc_pf_netdev_setup(struct enetc_si *si, struct net_device *ndev, if (si->hw_features & ENETC_SI_F_LSO) priv->active_offloads |= ENETC_F_LSO; - /* TODO: currently, i.MX95 ENETC driver does not support advanced features */ - if (!is_enetc_rev1(si)) { - ndev->hw_features &= ~(NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_LOOPBACK); - goto end; + if (si->num_rss) { + ndev->hw_features |= NETIF_F_RXHASH; + ndev->features |= NETIF_F_RXHASH; } - if (si->num_rss) - ndev->hw_features |= NETIF_F_RXHASH; + /* TODO: currently, i.MX95 ENETC driver does not support advanced features */ + if (!is_enetc_rev1(si)) + goto end; ndev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_RX_SG | @@ -341,5 +341,86 @@ void enetc_phylink_destroy(struct enetc_ndev_priv *priv) } EXPORT_SYMBOL_GPL(enetc_phylink_destroy); +void enetc_set_default_rss_key(struct enetc_pf *pf) +{ + u8 hash_key[ENETC_RSSHASH_KEY_SIZE] = {0}; + + /* set up hash key */ + get_random_bytes(hash_key, ENETC_RSSHASH_KEY_SIZE); + enetc_set_rss_key(pf->si, hash_key); +} +EXPORT_SYMBOL_GPL(enetc_set_default_rss_key); + +static int enetc_vid_hash_idx(unsigned int vid) +{ + int res = 0; + int i; + + for (i = 0; i < 6; i++) + res |= (hweight8(vid & (BIT(i) | BIT(i + 6))) & 0x1) << i; + + return res; +} + +static void enetc_refresh_vlan_ht_filter(struct enetc_pf *pf) +{ + int i; + + bitmap_zero(pf->vlan_ht_filter, ENETC_VLAN_HT_SIZE); + for_each_set_bit(i, pf->active_vlans, VLAN_N_VID) { + int hidx = enetc_vid_hash_idx(i); + + __set_bit(hidx, pf->vlan_ht_filter); + } +} + +static void enetc_set_si_vlan_ht_filter(struct enetc_si *si, + int si_id, u64 hash) +{ + struct enetc_hw *hw = &si->hw; + int high_reg_off, low_reg_off; + + if (is_enetc_rev1(si)) { + low_reg_off = ENETC_PSIVHFR0(si_id); + high_reg_off = ENETC_PSIVHFR1(si_id); + } else { + low_reg_off = ENETC4_PSIVHFR0(si_id); + high_reg_off = ENETC4_PSIVHFR1(si_id); + } + + enetc_port_wr(hw, low_reg_off, lower_32_bits(hash)); + enetc_port_wr(hw, high_reg_off, upper_32_bits(hash)); +} + +int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_pf *pf = enetc_si_priv(priv->si); + int idx; + + __set_bit(vid, pf->active_vlans); + + idx = enetc_vid_hash_idx(vid); + if (!__test_and_set_bit(idx, pf->vlan_ht_filter)) + enetc_set_si_vlan_ht_filter(pf->si, 0, *pf->vlan_ht_filter); + + return 0; +} +EXPORT_SYMBOL_GPL(enetc_vlan_rx_add_vid); + +int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + struct enetc_pf *pf = enetc_si_priv(priv->si); + + if (__test_and_clear_bit(vid, pf->active_vlans)) { + enetc_refresh_vlan_ht_filter(pf); + enetc_set_si_vlan_ht_filter(pf->si, 0, *pf->vlan_ht_filter); + } + + return 0; +} +EXPORT_SYMBOL_GPL(enetc_vlan_rx_del_vid); + MODULE_DESCRIPTION("NXP ENETC PF common functionality driver"); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h index 48f55ee743ad..96d4840a3107 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf_common.h @@ -12,6 +12,9 @@ void enetc_mdiobus_destroy(struct enetc_pf *pf); int enetc_phylink_create(struct enetc_ndev_priv *priv, struct device_node *node, const struct phylink_mac_ops *ops); void enetc_phylink_destroy(struct enetc_ndev_priv *priv); +void enetc_set_default_rss_key(struct enetc_pf *pf); +int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid); +int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid); static inline u16 enetc_get_ip_revision(struct enetc_hw *hw) { diff --git a/drivers/net/ethernet/freescale/enetc/enetc_vf.c b/drivers/net/ethernet/freescale/enetc/enetc_vf.c index 3768752b6008..6c4b374bcb0e 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_vf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_vf.c @@ -121,6 +121,8 @@ static const struct net_device_ops enetc_ndev_ops = { .ndo_set_features = enetc_vf_set_features, .ndo_eth_ioctl = enetc_ioctl, .ndo_setup_tc = enetc_vf_setup_tc, + .ndo_hwtstamp_get = enetc_hwtstamp_get, + .ndo_hwtstamp_set = enetc_hwtstamp_set, }; static void enetc_vf_netdev_setup(struct enetc_si *si, struct net_device *ndev, @@ -155,13 +157,20 @@ static void enetc_vf_netdev_setup(struct enetc_si *si, struct net_device *ndev, ndev->vlan_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | NETIF_F_TSO6; - if (si->num_rss) + if (si->num_rss) { ndev->hw_features |= NETIF_F_RXHASH; + ndev->features |= NETIF_F_RXHASH; + } /* pick up primary MAC address from SI */ enetc_load_primary_mac_addr(&si->hw, ndev); } +static const struct enetc_si_ops enetc_vsi_ops = { + .get_rss_table = enetc_get_rss_table, + .set_rss_table = enetc_set_rss_table, +}; + static int enetc_vf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -176,6 +185,7 @@ static int enetc_vf_probe(struct pci_dev *pdev, si = pci_get_drvdata(pdev); si->revision = ENETC_REV_1_0; + si->ops = &enetc_vsi_ops; err = enetc_get_driver_data(si); if (err) { dev_err_probe(&pdev->dev, err, diff --git a/drivers/net/ethernet/freescale/enetc/ntmp.c b/drivers/net/ethernet/freescale/enetc/ntmp.c new file mode 100644 index 000000000000..ba32c1bbd9e1 --- /dev/null +++ b/drivers/net/ethernet/freescale/enetc/ntmp.c @@ -0,0 +1,462 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * NETC NTMP (NETC Table Management Protocol) 2.0 Library + * Copyright 2025 NXP + */ + +#include <linux/dma-mapping.h> +#include <linux/fsl/netc_global.h> +#include <linux/iopoll.h> + +#include "ntmp_private.h" + +#define NETC_CBDR_TIMEOUT 1000 /* us */ +#define NETC_CBDR_DELAY_US 10 +#define NETC_CBDR_MR_EN BIT(31) + +#define NTMP_BASE_ADDR_ALIGN 128 +#define NTMP_DATA_ADDR_ALIGN 32 + +/* Define NTMP Table ID */ +#define NTMP_MAFT_ID 1 +#define NTMP_RSST_ID 3 + +/* Generic Update Actions for most tables */ +#define NTMP_GEN_UA_CFGEU BIT(0) +#define NTMP_GEN_UA_STSEU BIT(1) + +#define NTMP_ENTRY_ID_SIZE 4 +#define RSST_ENTRY_NUM 64 +#define RSST_STSE_DATA_SIZE(n) ((n) * 8) +#define RSST_CFGE_DATA_SIZE(n) (n) + +int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev, + const struct netc_cbdr_regs *regs) +{ + int cbd_num = NETC_CBDR_BD_NUM; + size_t size; + + size = cbd_num * sizeof(union netc_cbd) + NTMP_BASE_ADDR_ALIGN; + cbdr->addr_base = dma_alloc_coherent(dev, size, &cbdr->dma_base, + GFP_KERNEL); + if (!cbdr->addr_base) + return -ENOMEM; + + cbdr->dma_size = size; + cbdr->bd_num = cbd_num; + cbdr->regs = *regs; + cbdr->dev = dev; + + /* The base address of the Control BD Ring must be 128 bytes aligned */ + cbdr->dma_base_align = ALIGN(cbdr->dma_base, NTMP_BASE_ADDR_ALIGN); + cbdr->addr_base_align = PTR_ALIGN(cbdr->addr_base, + NTMP_BASE_ADDR_ALIGN); + + cbdr->next_to_clean = 0; + cbdr->next_to_use = 0; + spin_lock_init(&cbdr->ring_lock); + + /* Step 1: Configure the base address of the Control BD Ring */ + netc_write(cbdr->regs.bar0, lower_32_bits(cbdr->dma_base_align)); + netc_write(cbdr->regs.bar1, upper_32_bits(cbdr->dma_base_align)); + + /* Step 2: Configure the producer index register */ + netc_write(cbdr->regs.pir, cbdr->next_to_clean); + + /* Step 3: Configure the consumer index register */ + netc_write(cbdr->regs.cir, cbdr->next_to_use); + + /* Step4: Configure the number of BDs of the Control BD Ring */ + netc_write(cbdr->regs.lenr, cbdr->bd_num); + + /* Step 5: Enable the Control BD Ring */ + netc_write(cbdr->regs.mr, NETC_CBDR_MR_EN); + + return 0; +} +EXPORT_SYMBOL_GPL(ntmp_init_cbdr); + +void ntmp_free_cbdr(struct netc_cbdr *cbdr) +{ + /* Disable the Control BD Ring */ + netc_write(cbdr->regs.mr, 0); + dma_free_coherent(cbdr->dev, cbdr->dma_size, cbdr->addr_base, + cbdr->dma_base); + memset(cbdr, 0, sizeof(*cbdr)); +} +EXPORT_SYMBOL_GPL(ntmp_free_cbdr); + +static int ntmp_get_free_cbd_num(struct netc_cbdr *cbdr) +{ + return (cbdr->next_to_clean - cbdr->next_to_use - 1 + + cbdr->bd_num) % cbdr->bd_num; +} + +static union netc_cbd *ntmp_get_cbd(struct netc_cbdr *cbdr, int index) +{ + return &((union netc_cbd *)(cbdr->addr_base_align))[index]; +} + +static void ntmp_clean_cbdr(struct netc_cbdr *cbdr) +{ + union netc_cbd *cbd; + int i; + + i = cbdr->next_to_clean; + while (netc_read(cbdr->regs.cir) != i) { + cbd = ntmp_get_cbd(cbdr, i); + memset(cbd, 0, sizeof(*cbd)); + i = (i + 1) % cbdr->bd_num; + } + + cbdr->next_to_clean = i; +} + +static int netc_xmit_ntmp_cmd(struct ntmp_user *user, union netc_cbd *cbd) +{ + union netc_cbd *cur_cbd; + struct netc_cbdr *cbdr; + int i, err; + u16 status; + u32 val; + + /* Currently only i.MX95 ENETC is supported, and it only has one + * command BD ring + */ + cbdr = &user->ring[0]; + + spin_lock_bh(&cbdr->ring_lock); + + if (unlikely(!ntmp_get_free_cbd_num(cbdr))) + ntmp_clean_cbdr(cbdr); + + i = cbdr->next_to_use; + cur_cbd = ntmp_get_cbd(cbdr, i); + *cur_cbd = *cbd; + dma_wmb(); + + /* Update producer index of both software and hardware */ + i = (i + 1) % cbdr->bd_num; + cbdr->next_to_use = i; + netc_write(cbdr->regs.pir, i); + + err = read_poll_timeout_atomic(netc_read, val, val == i, + NETC_CBDR_DELAY_US, NETC_CBDR_TIMEOUT, + true, cbdr->regs.cir); + if (unlikely(err)) + goto cbdr_unlock; + + dma_rmb(); + /* Get the writeback command BD, because the caller may need + * to check some other fields of the response header. + */ + *cbd = *cur_cbd; + + /* Check the writeback error status */ + status = le16_to_cpu(cbd->resp_hdr.error_rr) & NTMP_RESP_ERROR; + if (unlikely(status)) { + err = -EIO; + dev_err(user->dev, "Command BD error: 0x%04x\n", status); + } + + ntmp_clean_cbdr(cbdr); + dma_wmb(); + +cbdr_unlock: + spin_unlock_bh(&cbdr->ring_lock); + + return err; +} + +static int ntmp_alloc_data_mem(struct ntmp_dma_buf *data, void **buf_align) +{ + void *buf; + + buf = dma_alloc_coherent(data->dev, data->size + NTMP_DATA_ADDR_ALIGN, + &data->dma, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + data->buf = buf; + *buf_align = PTR_ALIGN(buf, NTMP_DATA_ADDR_ALIGN); + + return 0; +} + +static void ntmp_free_data_mem(struct ntmp_dma_buf *data) +{ + dma_free_coherent(data->dev, data->size + NTMP_DATA_ADDR_ALIGN, + data->buf, data->dma); +} + +static void ntmp_fill_request_hdr(union netc_cbd *cbd, dma_addr_t dma, + int len, int table_id, int cmd, + int access_method) +{ + dma_addr_t dma_align; + + memset(cbd, 0, sizeof(*cbd)); + dma_align = ALIGN(dma, NTMP_DATA_ADDR_ALIGN); + cbd->req_hdr.addr = cpu_to_le64(dma_align); + cbd->req_hdr.len = cpu_to_le32(len); + cbd->req_hdr.cmd = cmd; + cbd->req_hdr.access_method = FIELD_PREP(NTMP_ACCESS_METHOD, + access_method); + cbd->req_hdr.table_id = table_id; + cbd->req_hdr.ver_cci_rr = FIELD_PREP(NTMP_HDR_VERSION, + NTMP_HDR_VER2); + /* For NTMP version 2.0 or later version */ + cbd->req_hdr.npf = cpu_to_le32(NTMP_NPF); +} + +static void ntmp_fill_crd(struct ntmp_cmn_req_data *crd, u8 tblv, + u8 qa, u16 ua) +{ + crd->update_act = cpu_to_le16(ua); + crd->tblv_qact = NTMP_TBLV_QACT(tblv, qa); +} + +static void ntmp_fill_crd_eid(struct ntmp_req_by_eid *rbe, u8 tblv, + u8 qa, u16 ua, u32 entry_id) +{ + ntmp_fill_crd(&rbe->crd, tblv, qa, ua); + rbe->entry_id = cpu_to_le32(entry_id); +} + +static const char *ntmp_table_name(int tbl_id) +{ + switch (tbl_id) { + case NTMP_MAFT_ID: + return "MAC Address Filter Table"; + case NTMP_RSST_ID: + return "RSS Table"; + default: + return "Unknown Table"; + }; +} + +static int ntmp_delete_entry_by_id(struct ntmp_user *user, int tbl_id, + u8 tbl_ver, u32 entry_id, u32 req_len, + u32 resp_len) +{ + struct ntmp_dma_buf data = { + .dev = user->dev, + .size = max(req_len, resp_len), + }; + struct ntmp_req_by_eid *req; + union netc_cbd cbd; + int err; + + err = ntmp_alloc_data_mem(&data, (void **)&req); + if (err) + return err; + + ntmp_fill_crd_eid(req, tbl_ver, 0, 0, entry_id); + ntmp_fill_request_hdr(&cbd, data.dma, NTMP_LEN(req_len, resp_len), + tbl_id, NTMP_CMD_DELETE, NTMP_AM_ENTRY_ID); + + err = netc_xmit_ntmp_cmd(user, &cbd); + if (err) + dev_err(user->dev, + "Failed to delete entry 0x%x of %s, err: %pe", + entry_id, ntmp_table_name(tbl_id), ERR_PTR(err)); + + ntmp_free_data_mem(&data); + + return err; +} + +static int ntmp_query_entry_by_id(struct ntmp_user *user, int tbl_id, + u32 len, struct ntmp_req_by_eid *req, + dma_addr_t dma, bool compare_eid) +{ + struct ntmp_cmn_resp_query *resp; + int cmd = NTMP_CMD_QUERY; + union netc_cbd cbd; + u32 entry_id; + int err; + + entry_id = le32_to_cpu(req->entry_id); + if (le16_to_cpu(req->crd.update_act)) + cmd = NTMP_CMD_QU; + + /* Request header */ + ntmp_fill_request_hdr(&cbd, dma, len, tbl_id, cmd, NTMP_AM_ENTRY_ID); + err = netc_xmit_ntmp_cmd(user, &cbd); + if (err) { + dev_err(user->dev, + "Failed to query entry 0x%x of %s, err: %pe\n", + entry_id, ntmp_table_name(tbl_id), ERR_PTR(err)); + return err; + } + + /* For a few tables, the first field of their response data is not + * entry_id, so directly return success. + */ + if (!compare_eid) + return 0; + + resp = (struct ntmp_cmn_resp_query *)req; + if (unlikely(le32_to_cpu(resp->entry_id) != entry_id)) { + dev_err(user->dev, + "%s: query EID 0x%x doesn't match response EID 0x%x\n", + ntmp_table_name(tbl_id), entry_id, le32_to_cpu(resp->entry_id)); + return -EIO; + } + + return 0; +} + +int ntmp_maft_add_entry(struct ntmp_user *user, u32 entry_id, + struct maft_entry_data *maft) +{ + struct ntmp_dma_buf data = { + .dev = user->dev, + .size = sizeof(struct maft_req_add), + }; + struct maft_req_add *req; + union netc_cbd cbd; + int err; + + err = ntmp_alloc_data_mem(&data, (void **)&req); + if (err) + return err; + + /* Set mac address filter table request data buffer */ + ntmp_fill_crd_eid(&req->rbe, user->tbl.maft_ver, 0, 0, entry_id); + req->keye = maft->keye; + req->cfge = maft->cfge; + + ntmp_fill_request_hdr(&cbd, data.dma, NTMP_LEN(data.size, 0), + NTMP_MAFT_ID, NTMP_CMD_ADD, NTMP_AM_ENTRY_ID); + err = netc_xmit_ntmp_cmd(user, &cbd); + if (err) + dev_err(user->dev, "Failed to add MAFT entry 0x%x, err: %pe\n", + entry_id, ERR_PTR(err)); + + ntmp_free_data_mem(&data); + + return err; +} +EXPORT_SYMBOL_GPL(ntmp_maft_add_entry); + +int ntmp_maft_query_entry(struct ntmp_user *user, u32 entry_id, + struct maft_entry_data *maft) +{ + struct ntmp_dma_buf data = { + .dev = user->dev, + .size = sizeof(struct maft_resp_query), + }; + struct maft_resp_query *resp; + struct ntmp_req_by_eid *req; + int err; + + err = ntmp_alloc_data_mem(&data, (void **)&req); + if (err) + return err; + + ntmp_fill_crd_eid(req, user->tbl.maft_ver, 0, 0, entry_id); + err = ntmp_query_entry_by_id(user, NTMP_MAFT_ID, + NTMP_LEN(sizeof(*req), data.size), + req, data.dma, true); + if (err) + goto end; + + resp = (struct maft_resp_query *)req; + maft->keye = resp->keye; + maft->cfge = resp->cfge; + +end: + ntmp_free_data_mem(&data); + + return err; +} +EXPORT_SYMBOL_GPL(ntmp_maft_query_entry); + +int ntmp_maft_delete_entry(struct ntmp_user *user, u32 entry_id) +{ + return ntmp_delete_entry_by_id(user, NTMP_MAFT_ID, user->tbl.maft_ver, + entry_id, NTMP_EID_REQ_LEN, 0); +} +EXPORT_SYMBOL_GPL(ntmp_maft_delete_entry); + +int ntmp_rsst_update_entry(struct ntmp_user *user, const u32 *table, + int count) +{ + struct ntmp_dma_buf data = {.dev = user->dev}; + struct rsst_req_update *req; + union netc_cbd cbd; + int err, i; + + if (count != RSST_ENTRY_NUM) + /* HW only takes in a full 64 entry table */ + return -EINVAL; + + data.size = struct_size(req, groups, count); + err = ntmp_alloc_data_mem(&data, (void **)&req); + if (err) + return err; + + /* Set the request data buffer */ + ntmp_fill_crd_eid(&req->rbe, user->tbl.rsst_ver, 0, + NTMP_GEN_UA_CFGEU | NTMP_GEN_UA_STSEU, 0); + for (i = 0; i < count; i++) + req->groups[i] = (u8)(table[i]); + + ntmp_fill_request_hdr(&cbd, data.dma, NTMP_LEN(data.size, 0), + NTMP_RSST_ID, NTMP_CMD_UPDATE, NTMP_AM_ENTRY_ID); + + err = netc_xmit_ntmp_cmd(user, &cbd); + if (err) + dev_err(user->dev, "Failed to update RSST entry, err: %pe\n", + ERR_PTR(err)); + + ntmp_free_data_mem(&data); + + return err; +} +EXPORT_SYMBOL_GPL(ntmp_rsst_update_entry); + +int ntmp_rsst_query_entry(struct ntmp_user *user, u32 *table, int count) +{ + struct ntmp_dma_buf data = {.dev = user->dev}; + struct ntmp_req_by_eid *req; + union netc_cbd cbd; + int err, i; + u8 *group; + + if (count != RSST_ENTRY_NUM) + /* HW only takes in a full 64 entry table */ + return -EINVAL; + + data.size = NTMP_ENTRY_ID_SIZE + RSST_STSE_DATA_SIZE(count) + + RSST_CFGE_DATA_SIZE(count); + err = ntmp_alloc_data_mem(&data, (void **)&req); + if (err) + return err; + + /* Set the request data buffer */ + ntmp_fill_crd_eid(req, user->tbl.rsst_ver, 0, 0, 0); + ntmp_fill_request_hdr(&cbd, data.dma, NTMP_LEN(sizeof(*req), data.size), + NTMP_RSST_ID, NTMP_CMD_QUERY, NTMP_AM_ENTRY_ID); + err = netc_xmit_ntmp_cmd(user, &cbd); + if (err) { + dev_err(user->dev, "Failed to query RSST entry, err: %pe\n", + ERR_PTR(err)); + goto end; + } + + group = (u8 *)req; + group += NTMP_ENTRY_ID_SIZE + RSST_STSE_DATA_SIZE(count); + for (i = 0; i < count; i++) + table[i] = group[i]; + +end: + ntmp_free_data_mem(&data); + + return err; +} +EXPORT_SYMBOL_GPL(ntmp_rsst_query_entry); + +MODULE_DESCRIPTION("NXP NETC Library"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/ethernet/freescale/enetc/ntmp_private.h b/drivers/net/ethernet/freescale/enetc/ntmp_private.h new file mode 100644 index 000000000000..34394e40fddd --- /dev/null +++ b/drivers/net/ethernet/freescale/enetc/ntmp_private.h @@ -0,0 +1,104 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* + * NTMP table request and response data buffer formats + * Copyright 2025 NXP + */ + +#ifndef __NTMP_PRIVATE_H +#define __NTMP_PRIVATE_H + +#include <linux/bitfield.h> +#include <linux/fsl/ntmp.h> + +#define NTMP_EID_REQ_LEN 8 +#define NETC_CBDR_BD_NUM 256 + +union netc_cbd { + struct { + __le64 addr; + __le32 len; +#define NTMP_RESP_LEN GENMASK(19, 0) +#define NTMP_REQ_LEN GENMASK(31, 20) +#define NTMP_LEN(req, resp) (FIELD_PREP(NTMP_REQ_LEN, (req)) | \ + ((resp) & NTMP_RESP_LEN)) + u8 cmd; +#define NTMP_CMD_DELETE BIT(0) +#define NTMP_CMD_UPDATE BIT(1) +#define NTMP_CMD_QUERY BIT(2) +#define NTMP_CMD_ADD BIT(3) +#define NTMP_CMD_QU (NTMP_CMD_QUERY | NTMP_CMD_UPDATE) + u8 access_method; +#define NTMP_ACCESS_METHOD GENMASK(7, 4) +#define NTMP_AM_ENTRY_ID 0 +#define NTMP_AM_EXACT_KEY 1 +#define NTMP_AM_SEARCH 2 +#define NTMP_AM_TERNARY_KEY 3 + u8 table_id; + u8 ver_cci_rr; +#define NTMP_HDR_VERSION GENMASK(5, 0) +#define NTMP_HDR_VER2 2 +#define NTMP_CCI BIT(6) +#define NTMP_RR BIT(7) + __le32 resv[3]; + __le32 npf; +#define NTMP_NPF BIT(15) + } req_hdr; /* NTMP Request Message Header Format */ + + struct { + __le32 resv0[3]; + __le16 num_matched; + __le16 error_rr; +#define NTMP_RESP_ERROR GENMASK(11, 0) +#define NTMP_RESP_RR BIT(15) + __le32 resv1[4]; + } resp_hdr; /* NTMP Response Message Header Format */ +}; + +struct ntmp_dma_buf { + struct device *dev; + size_t size; + void *buf; + dma_addr_t dma; +}; + +struct ntmp_cmn_req_data { + __le16 update_act; + u8 dbg_opt; + u8 tblv_qact; +#define NTMP_QUERY_ACT GENMASK(3, 0) +#define NTMP_TBL_VER GENMASK(7, 4) +#define NTMP_TBLV_QACT(v, a) (FIELD_PREP(NTMP_TBL_VER, (v)) | \ + ((a) & NTMP_QUERY_ACT)) +}; + +struct ntmp_cmn_resp_query { + __le32 entry_id; +}; + +/* Generic structure for request data by entry ID */ +struct ntmp_req_by_eid { + struct ntmp_cmn_req_data crd; + __le32 entry_id; +}; + +/* MAC Address Filter Table Request Data Buffer Format of Add action */ +struct maft_req_add { + struct ntmp_req_by_eid rbe; + struct maft_keye_data keye; + struct maft_cfge_data cfge; +}; + +/* MAC Address Filter Table Response Data Buffer Format of Query action */ +struct maft_resp_query { + __le32 entry_id; + struct maft_keye_data keye; + struct maft_cfge_data cfge; +}; + +/* RSS Table Request Data Buffer Format of Update action */ +struct rsst_req_update { + struct ntmp_req_by_eid rbe; + u8 groups[]; +}; + +#endif diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index deb35b38c976..bcbcad613512 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -2061,15 +2061,13 @@ static void gfar_timeout(struct net_device *dev, unsigned int txqueue) schedule_work(&priv->reset_task); } -static int gfar_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) +static int gfar_hwtstamp_set(struct net_device *netdev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) { - struct hwtstamp_config config; struct gfar_private *priv = netdev_priv(netdev); - if (copy_from_user(&config, ifr->ifr_data, sizeof(config))) - return -EFAULT; - - switch (config.tx_type) { + switch (config->tx_type) { case HWTSTAMP_TX_OFF: priv->hwts_tx_en = 0; break; @@ -2082,7 +2080,7 @@ static int gfar_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) return -ERANGE; } - switch (config.rx_filter) { + switch (config->rx_filter) { case HWTSTAMP_FILTER_NONE: if (priv->hwts_rx_en) { priv->hwts_rx_en = 0; @@ -2096,44 +2094,23 @@ static int gfar_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) priv->hwts_rx_en = 1; reset_gfar(netdev); } - config.rx_filter = HWTSTAMP_FILTER_ALL; + config->rx_filter = HWTSTAMP_FILTER_ALL; break; } - return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? - -EFAULT : 0; + return 0; } -static int gfar_hwtstamp_get(struct net_device *netdev, struct ifreq *ifr) +static int gfar_hwtstamp_get(struct net_device *netdev, + struct kernel_hwtstamp_config *config) { - struct hwtstamp_config config; struct gfar_private *priv = netdev_priv(netdev); - config.flags = 0; - config.tx_type = priv->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; - config.rx_filter = (priv->hwts_rx_en ? - HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE); - - return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? - -EFAULT : 0; -} - -static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct phy_device *phydev = dev->phydev; + config->tx_type = priv->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + config->rx_filter = priv->hwts_rx_en ? HWTSTAMP_FILTER_ALL : + HWTSTAMP_FILTER_NONE; - if (!netif_running(dev)) - return -EINVAL; - - if (cmd == SIOCSHWTSTAMP) - return gfar_hwtstamp_set(dev, rq); - if (cmd == SIOCGHWTSTAMP) - return gfar_hwtstamp_get(dev, rq); - - if (!phydev) - return -ENODEV; - - return phy_mii_ioctl(phydev, rq, cmd); + return 0; } /* Interrupt Handler for Transmit complete */ @@ -3174,7 +3151,7 @@ static const struct net_device_ops gfar_netdev_ops = { .ndo_set_features = gfar_set_features, .ndo_set_rx_mode = gfar_set_multi, .ndo_tx_timeout = gfar_timeout, - .ndo_eth_ioctl = gfar_ioctl, + .ndo_eth_ioctl = phy_do_ioctl_running, .ndo_get_stats64 = gfar_get_stats64, .ndo_change_carrier = fixed_phy_change_carrier, .ndo_set_mac_address = gfar_set_mac_addr, @@ -3182,6 +3159,8 @@ static const struct net_device_ops gfar_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = gfar_netpoll, #endif + .ndo_hwtstamp_get = gfar_hwtstamp_get, + .ndo_hwtstamp_set = gfar_hwtstamp_set, }; /* Set up the ethernet device structure, private data, |