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/********************************************************************** * Author: Cavium, Inc. * * Contact: support@cavium.com * Please include "LiquidIO" in the subject. * * Copyright (c) 2003-2016 Cavium, Inc. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 2, as * published by the Free Software Foundation. * * This file is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. See the GNU General Public License for more details. ***********************************************************************/ #include <linux/ethtool.h> #include <linux/netdevice.h> #include <linux/net_tstamp.h> #include <linux/pci.h> #include "liquidio_common.h" #include "octeon_droq.h" #include "octeon_iq.h" #include "response_manager.h" #include "octeon_device.h" #include "octeon_nic.h" #include "octeon_main.h" #include "octeon_network.h" #include "cn66xx_regs.h" #include "cn66xx_device.h" #include "cn23xx_pf_device.h" #include "cn23xx_vf_device.h" static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs); struct oct_intrmod_resp { u64 rh; struct oct_intrmod_cfg intrmod; u64 status; }; struct oct_mdio_cmd_resp { u64 rh; struct oct_mdio_cmd resp; u64 status; }; #define OCT_MDIO45_RESP_SIZE (sizeof(struct oct_mdio_cmd_resp)) /* Octeon's interface mode of operation */ enum { INTERFACE_MODE_DISABLED, INTERFACE_MODE_RGMII, INTERFACE_MODE_GMII, INTERFACE_MODE_SPI, INTERFACE_MODE_PCIE, INTERFACE_MODE_XAUI, INTERFACE_MODE_SGMII, INTERFACE_MODE_PICMG, INTERFACE_MODE_NPI, INTERFACE_MODE_LOOP, INTERFACE_MODE_SRIO, INTERFACE_MODE_ILK, INTERFACE_MODE_RXAUI, INTERFACE_MODE_QSGMII, INTERFACE_MODE_AGL, INTERFACE_MODE_XLAUI, INTERFACE_MODE_XFI, INTERFACE_MODE_10G_KR, INTERFACE_MODE_40G_KR4, INTERFACE_MODE_MIXED, }; #define OCT_ETHTOOL_REGDUMP_LEN 4096 #define OCT_ETHTOOL_REGDUMP_LEN_23XX (4096 * 11) #define OCT_ETHTOOL_REGDUMP_LEN_23XX_VF (4096 * 2) #define OCT_ETHTOOL_REGSVER 1 /* statistics of PF */ static const char oct_stats_strings[][ETH_GSTRING_LEN] = { "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", "tx_errors", "rx_dropped", "tx_dropped", "tx_total_sent", "tx_total_fwd", "tx_err_pko", "tx_err_pki", "tx_err_link", "tx_err_drop", "tx_tso", "tx_tso_packets", "tx_tso_err", "tx_vxlan", "tx_mcast", "tx_bcast", "mac_tx_total_pkts", "mac_tx_total_bytes", "mac_tx_mcast_pkts", "mac_tx_bcast_pkts", "mac_tx_ctl_packets", "mac_tx_total_collisions", "mac_tx_one_collision", "mac_tx_multi_collision", "mac_tx_max_collision_fail", "mac_tx_max_deferral_fail", "mac_tx_fifo_err", "mac_tx_runts", "rx_total_rcvd", "rx_total_fwd", "rx_mcast", "rx_bcast", "rx_jabber_err", "rx_l2_err", "rx_frame_err", "rx_err_pko", "rx_err_link", "rx_err_drop", "rx_vxlan", "rx_vxlan_err", "rx_lro_pkts", "rx_lro_bytes", "rx_total_lro", "rx_lro_aborts", "rx_lro_aborts_port", "rx_lro_aborts_seq", "rx_lro_aborts_tsval", "rx_lro_aborts_timer", "rx_fwd_rate", "mac_rx_total_rcvd", "mac_rx_bytes", "mac_rx_total_bcst", "mac_rx_total_mcst", "mac_rx_runts", "mac_rx_ctl_packets", "mac_rx_fifo_err", "mac_rx_dma_drop", "mac_rx_fcs_err", "link_state_changes", }; /* statistics of VF */ static const char oct_vf_stats_strings[][ETH_GSTRING_LEN] = { "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", "tx_errors", "rx_dropped", "tx_dropped", "rx_mcast", "tx_mcast", "rx_bcast", "tx_bcast", "link_state_changes", }; /* statistics of host tx queue */ static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = { "packets", "bytes", "dropped", "iq_busy", "sgentry_sent", "fw_instr_posted", "fw_instr_processed", "fw_instr_dropped", "fw_bytes_sent", "tso", "vxlan", "txq_restart", }; /* statistics of host rx queue */ static const char oct_droq_stats_strings[][ETH_GSTRING_LEN] = { "packets", "bytes", "dropped", "dropped_nomem", "dropped_toomany", "fw_dropped", "fw_pkts_received", "fw_bytes_received", "fw_dropped_nodispatch", "vxlan", "buffer_alloc_failure", }; /* LiquidIO driver private flags */ static const char oct_priv_flags_strings[][ETH_GSTRING_LEN] = { }; #define OCTNIC_NCMD_AUTONEG_ON 0x1 #define OCTNIC_NCMD_PHY_ON 0x2 static int lio_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *ecmd) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct oct_link_info *linfo; linfo = &lio->linfo; ethtool_link_ksettings_zero_link_mode(ecmd, supported); ethtool_link_ksettings_zero_link_mode(ecmd, advertising); switch (linfo->link.s.phy_type) { case LIO_PHY_PORT_TP: ecmd->base.port = PORT_TP; ecmd->base.autoneg = AUTONEG_DISABLE; ethtool_link_ksettings_add_link_mode(ecmd, supported, TP); ethtool_link_ksettings_add_link_mode(ecmd, supported, Pause); ethtool_link_ksettings_add_link_mode(ecmd, supported, 10000baseT_Full); ethtool_link_ksettings_add_link_mode(ecmd, advertising, Pause); ethtool_link_ksettings_add_link_mode(ecmd, advertising, 10000baseT_Full); break; case LIO_PHY_PORT_FIBRE: if (linfo->link.s.if_mode == INTERFACE_MODE_XAUI || linfo->link.s.if_mode == INTERFACE_MODE_RXAUI || linfo->link.s.if_mode == INTERFACE_MODE_XLAUI || linfo->link.s.if_mode == INTERFACE_MODE_XFI) { dev_dbg(&oct->pci_dev->dev, "ecmd->base.transceiver is XCVR_EXTERNAL\n"); ecmd->base.transceiver = XCVR_EXTERNAL; } else { dev_err(&oct->pci_dev->dev, "Unknown link interface mode: %d\n", linfo->link.s.if_mode); } ecmd->base.port = PORT_FIBRE; ecmd->base.autoneg = AUTONEG_DISABLE; ethtool_link_ksettings_add_link_mode(ecmd, supported, FIBRE); ethtool_link_ksettings_add_link_mode(ecmd, supported, Pause); ethtool_link_ksettings_add_link_mode(ecmd, advertising, Pause); if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID || oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) { if (OCTEON_CN23XX_PF(oct)) { ethtool_link_ksettings_add_link_mode (ecmd, supported, 25000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 25000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 25000baseCR_Full); if (oct->no_speed_setting == 0) { ethtool_link_ksettings_add_link_mode (ecmd, supported, 10000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 10000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 10000baseCR_Full); } if (oct->no_speed_setting == 0) { liquidio_get_speed(lio); liquidio_get_fec(lio); } else { oct->speed_setting = 25; } if (oct->speed_setting == 10) { ethtool_link_ksettings_add_link_mode (ecmd, advertising, 10000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 10000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 10000baseCR_Full); } if (oct->speed_setting == 25) { ethtool_link_ksettings_add_link_mode (ecmd, advertising, 25000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 25000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 25000baseCR_Full); } if (oct->no_speed_setting) break; ethtool_link_ksettings_add_link_mode (ecmd, supported, FEC_RS); ethtool_link_ksettings_add_link_mode (ecmd, supported, FEC_NONE); /*FEC_OFF*/ if (oct->props[lio->ifidx].fec == 1) { /* ETHTOOL_FEC_RS */ ethtool_link_ksettings_add_link_mode (ecmd, advertising, FEC_RS); } else { /* ETHTOOL_FEC_OFF */ ethtool_link_ksettings_add_link_mode (ecmd, advertising, FEC_NONE); } } else { /* VF */ if (linfo->link.s.speed == 10000) { ethtool_link_ksettings_add_link_mode (ecmd, supported, 10000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 10000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 10000baseCR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 10000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 10000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 10000baseCR_Full); } if (linfo->link.s.speed == 25000) { ethtool_link_ksettings_add_link_mode (ecmd, supported, 25000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 25000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, supported, 25000baseCR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 25000baseSR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 25000baseKR_Full); ethtool_link_ksettings_add_link_mode (ecmd, advertising, 25000baseCR_Full); } } } else { ethtool_link_ksettings_add_link_mode(ecmd, supported, 10000baseT_Full); ethtool_link_ksettings_add_link_mode(ecmd, advertising, 10000baseT_Full); } break; } if (linfo->link.s.link_up) { ecmd->base.speed = linfo->link.s.speed; ecmd->base.duplex = linfo->link.s.duplex; } else { ecmd->base.speed = SPEED_UNKNOWN; ecmd->base.duplex = DUPLEX_UNKNOWN; } return 0; } static int lio_set_link_ksettings(struct net_device *netdev, const struct ethtool_link_ksettings *ecmd) { const int speed = ecmd->base.speed; struct lio *lio = GET_LIO(netdev); struct oct_link_info *linfo; struct octeon_device *oct; oct = lio->oct_dev; linfo = &lio->linfo; if (!(oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID || oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID)) return -EOPNOTSUPP; if (oct->no_speed_setting) { dev_err(&oct->pci_dev->dev, "%s: Changing speed is not supported\n", __func__); return -EOPNOTSUPP; } if ((ecmd->base.duplex != DUPLEX_UNKNOWN && ecmd->base.duplex != linfo->link.s.duplex) || ecmd->base.autoneg != AUTONEG_DISABLE || (ecmd->base.speed != 10000 && ecmd->base.speed != 25000 && ecmd->base.speed != SPEED_UNKNOWN)) return -EOPNOTSUPP; if ((oct->speed_boot == speed / 1000) && oct->speed_boot == oct->speed_setting) return 0; liquidio_set_speed(lio, speed / 1000); dev_dbg(&oct->pci_dev->dev, "Port speed is set to %dG\n", oct->speed_setting); return 0; } static void lio_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct lio *lio; struct octeon_device *oct; lio = GET_LIO(netdev); oct = lio->oct_dev; memset(drvinfo, 0, sizeof(struct ethtool_drvinfo)); strscpy(drvinfo->driver, "liquidio", sizeof(drvinfo->driver)); strscpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version, sizeof(drvinfo->fw_version)); strscpy(drvinfo->bus_info, pci_name(oct->pci_dev), sizeof(drvinfo->bus_info)); } static void lio_get_vf_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) { struct octeon_device *oct; struct lio *lio; lio = GET_LIO(netdev); oct = lio->oct_dev; memset(drvinfo, 0, sizeof(struct ethtool_drvinfo)); strscpy(drvinfo->driver, "liquidio_vf", sizeof(drvinfo->driver)); strscpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version, sizeof(drvinfo->fw_version)); strscpy(drvinfo->bus_info, pci_name(oct->pci_dev), sizeof(drvinfo->bus_info)); } static int lio_send_queue_count_update(struct net_device *netdev, uint32_t num_queues) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct octnic_ctrl_pkt nctrl; int ret = 0; memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); nctrl.ncmd.u64 = 0; nctrl.ncmd.s.cmd = OCTNET_CMD_QUEUE_COUNT_CTL; nctrl.ncmd.s.param1 = num_queues; nctrl.ncmd.s.param2 = num_queues; nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; nctrl.netpndev = (u64)netdev; nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); if (ret) { dev_err(&oct->pci_dev->dev, "Failed to send Queue reset command (ret: 0x%x)\n", ret); return -1; } return 0; } static void lio_ethtool_get_channels(struct net_device *dev, struct ethtool_channels *channel) { struct lio *lio = GET_LIO(dev); struct octeon_device *oct = lio->oct_dev; u32 max_rx = 0, max_tx = 0, tx_count = 0, rx_count = 0; u32 combined_count = 0, max_combined = 0; if (OCTEON_CN6XXX(oct)) { struct octeon_config *conf6x = CHIP_CONF(oct, cn6xxx); max_rx = CFG_GET_OQ_MAX_Q(conf6x); max_tx = CFG_GET_IQ_MAX_Q(conf6x); rx_count = CFG_GET_NUM_RXQS_NIC_IF(conf6x, lio->ifidx); tx_count = CFG_GET_NUM_TXQS_NIC_IF(conf6x, lio->ifidx); } else if (OCTEON_CN23XX_PF(oct)) { if (oct->sriov_info.sriov_enabled) { max_combined = lio->linfo.num_txpciq; } else { struct octeon_config *conf23_pf = CHIP_CONF(oct, cn23xx_pf); max_combined = CFG_GET_IQ_MAX_Q(conf23_pf); } combined_count = oct->num_iqs; } else if (OCTEON_CN23XX_VF(oct)) { u64 reg_val = 0ULL; u64 ctrl = CN23XX_VF_SLI_IQ_PKT_CONTROL64(0); reg_val = octeon_read_csr64(oct, ctrl); reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS; max_combined = reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK; combined_count = oct->num_iqs; } channel->max_rx = max_rx; channel->max_tx = max_tx; channel->max_combined = max_combined; channel->rx_count = rx_count; channel->tx_count = tx_count; channel->combined_count = combined_count; } static int lio_irq_reallocate_irqs(struct octeon_device *oct, uint32_t num_ioqs) { struct msix_entry *msix_entries; int num_msix_irqs = 0; int i; if (!oct->msix_on) return 0; /* Disable the input and output queues now. No more packets will * arrive from Octeon. */ oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); if (oct->msix_on) { if (OCTEON_CN23XX_PF(oct)) num_msix_irqs = oct->num_msix_irqs - 1; else if (OCTEON_CN23XX_VF(oct)) num_msix_irqs = oct->num_msix_irqs; msix_entries = (struct msix_entry *)oct->msix_entries; for (i = 0; i < num_msix_irqs; i++) { if (oct->ioq_vector[i].vector) { /* clear the affinity_cpumask */ irq_set_affinity_hint(msix_entries[i].vector, NULL); free_irq(msix_entries[i].vector, &oct->ioq_vector[i]); oct->ioq_vector[i].vector = 0; } } /* non-iov vector's argument is oct struct */ if (OCTEON_CN23XX_PF(oct)) free_irq(msix_entries[i].vector, oct); pci_disable_msix(oct->pci_dev); kfree(oct->msix_entries); oct->msix_entries = NULL; } kfree(oct->irq_name_storage); oct->irq_name_storage = NULL; if (octeon_allocate_ioq_vector(oct, num_ioqs)) { dev_err(&oct->pci_dev->dev, "OCTEON: ioq vector allocation failed\n"); return -1; } if (octeon_setup_interrupt(oct, num_ioqs)) { dev_info(&oct->pci_dev->dev, "Setup interrupt failed\n"); return -1; } /* Enable Octeon device interrupts */ oct->fn_list.enable_interrupt(oct, OCTEON_ALL_INTR); return 0; } static int lio_ethtool_set_channels(struct net_device *dev, struct ethtool_channels *channel) { u32 combined_count, max_combined; struct lio *lio = GET_LIO(dev); struct octeon_device *oct = lio->oct_dev; int stopped = 0; if (strcmp(oct->fw_info.liquidio_firmware_version, "1.6.1") < 0) { dev_err(&oct->pci_dev->dev, "Minimum firmware version required is 1.6.1\n"); return -EINVAL; } if (!channel->combined_count || channel->other_count || channel->rx_count || channel->tx_count) return -EINVAL; combined_count = channel->combined_count; if (OCTEON_CN23XX_PF(oct)) { if (oct->sriov_info.sriov_enabled) { max_combined = lio->linfo.num_txpciq; } else { struct octeon_config *conf23_pf = CHIP_CONF(oct, cn23xx_pf); max_combined = CFG_GET_IQ_MAX_Q(conf23_pf); } } else if (OCTEON_CN23XX_VF(oct)) { u64 reg_val = 0ULL; u64 ctrl = CN23XX_VF_SLI_IQ_PKT_CONTROL64(0); reg_val = octeon_read_csr64(oct, ctrl); reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS; max_combined = reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK; } else { return -EINVAL; } if (combined_count > max_combined || combined_count < 1) return -EINVAL; if (combined_count == oct->num_iqs) return 0; ifstate_set(lio, LIO_IFSTATE_RESETTING); if (netif_running(dev)) { dev->netdev_ops->ndo_stop(dev); stopped = 1; } if (lio_reset_queues(dev, combined_count)) return -EINVAL; if (stopped) dev->netdev_ops->ndo_open(dev); ifstate_reset(lio, LIO_IFSTATE_RESETTING); return 0; } static int lio_get_eeprom_len(struct net_device *netdev) { u8 buf[192]; struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; struct octeon_board_info *board_info; int len; board_info = (struct octeon_board_info *)(&oct_dev->boardinfo); len = sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n", board_info->name, board_info->serial_number, board_info->major, board_info->minor); return len; } static int lio_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, u8 *bytes) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; struct octeon_board_info *board_info; if (eeprom->offset) return -EINVAL; eeprom->magic = oct_dev->pci_dev->vendor; board_info = (struct octeon_board_info *)(&oct_dev->boardinfo); sprintf((char *)bytes, "boardname:%s serialnum:%s maj:%lld min:%lld\n", board_info->name, board_info->serial_number, board_info->major, board_info->minor); return 0; } static int octnet_gpio_access(struct net_device *netdev, int addr, int val) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct octnic_ctrl_pkt nctrl; int ret = 0; memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); nctrl.ncmd.u64 = 0; nctrl.ncmd.s.cmd = OCTNET_CMD_GPIO_ACCESS; nctrl.ncmd.s.param1 = addr; nctrl.ncmd.s.param2 = val; nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; nctrl.netpndev = (u64)netdev; nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); if (ret) { dev_err(&oct->pci_dev->dev, "Failed to configure gpio value, ret=%d\n", ret); return -EINVAL; } return 0; } static int octnet_id_active(struct net_device *netdev, int val) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct octnic_ctrl_pkt nctrl; int ret = 0; memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); nctrl.ncmd.u64 = 0; nctrl.ncmd.s.cmd = OCTNET_CMD_ID_ACTIVE; nctrl.ncmd.s.param1 = val; nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; nctrl.netpndev = (u64)netdev; nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); if (ret) { dev_err(&oct->pci_dev->dev, "Failed to configure gpio value, ret=%d\n", ret); return -EINVAL; } return 0; } /* This routine provides PHY access routines for * mdio clause45 . */ static int octnet_mdio45_access(struct lio *lio, int op, int loc, int *value) { struct octeon_device *oct_dev = lio->oct_dev; struct octeon_soft_command *sc; struct oct_mdio_cmd_resp *mdio_cmd_rsp; struct oct_mdio_cmd *mdio_cmd; int retval = 0; sc = (struct octeon_soft_command *) octeon_alloc_soft_command(oct_dev, sizeof(struct oct_mdio_cmd), sizeof(struct oct_mdio_cmd_resp), 0); if (!sc) return -ENOMEM; mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr; mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr; mdio_cmd->op = op; mdio_cmd->mdio_addr = loc; if (op) mdio_cmd->value1 = *value; octeon_swap_8B_data((u64 *)mdio_cmd, sizeof(struct oct_mdio_cmd) / 8); sc->iq_no = lio->linfo.txpciq[0].s.q_no; octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_MDIO45, 0, 0, 0); init_completion(&sc->complete); sc->sc_status = OCTEON_REQUEST_PENDING; retval = octeon_send_soft_command(oct_dev, sc); if (retval == IQ_SEND_FAILED) { dev_err(&oct_dev->pci_dev->dev, "octnet_mdio45_access instruction failed status: %x\n", retval); octeon_free_soft_command(oct_dev, sc); return -EBUSY; } else { /* Sleep on a wait queue till the cond flag indicates that the * response arrived */ retval = wait_for_sc_completion_timeout(oct_dev, sc, 0); if (retval) return retval; retval = mdio_cmd_rsp->status; if (retval) { dev_err(&oct_dev->pci_dev->dev, "octnet mdio45 access failed: %x\n", retval); WRITE_ONCE(sc->caller_is_done, true); return -EBUSY; } octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp), sizeof(struct oct_mdio_cmd) / 8); if (!op) *value = mdio_cmd_rsp->resp.value1; WRITE_ONCE(sc->caller_is_done, true); } return retval; } static int lio_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct oct_link_info *linfo; int value, ret; u32 cur_ver; linfo = &lio->linfo; cur_ver = OCT_FW_VER(oct->fw_info.ver.maj, oct->fw_info.ver.min, oct->fw_info.ver.rev); switch (state) { case ETHTOOL_ID_ACTIVE: if (oct->chip_id == OCTEON_CN66XX) { octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG, VITESSE_PHY_GPIO_DRIVEON); return 2; } else if (oct->chip_id == OCTEON_CN68XX) { /* Save the current LED settings */ ret = octnet_mdio45_access(lio, 0, LIO68XX_LED_BEACON_ADDR, &lio->phy_beacon_val); if (ret) return ret; ret = octnet_mdio45_access(lio, 0, LIO68XX_LED_CTRL_ADDR, &lio->led_ctrl_val); if (ret) return ret; /* Configure Beacon values */ value = LIO68XX_LED_BEACON_CFGON; ret = octnet_mdio45_access(lio, 1, LIO68XX_LED_BEACON_ADDR, &value); if (ret) return ret; value = LIO68XX_LED_CTRL_CFGON; ret = octnet_mdio45_access(lio, 1, LIO68XX_LED_CTRL_ADDR, &value); if (ret) return ret; } else if (oct->chip_id == OCTEON_CN23XX_PF_VID) { octnet_id_active(netdev, LED_IDENTIFICATION_ON); if (linfo->link.s.phy_type == LIO_PHY_PORT_TP && cur_ver > OCT_FW_VER(1, 7, 2)) return 2; else return 0; } else { return -EINVAL; } break; case ETHTOOL_ID_ON: if (oct->chip_id == OCTEON_CN23XX_PF_VID && linfo->link.s.phy_type == LIO_PHY_PORT_TP && cur_ver > OCT_FW_VER(1, 7, 2)) octnet_id_active(netdev, LED_IDENTIFICATION_ON); else if (oct->chip_id == OCTEON_CN66XX) octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG, VITESSE_PHY_GPIO_HIGH); else return -EINVAL; break; case ETHTOOL_ID_OFF: if (oct->chip_id == OCTEON_CN23XX_PF_VID && linfo->link.s.phy_type == LIO_PHY_PORT_TP && cur_ver > OCT_FW_VER(1, 7, 2)) octnet_id_active(netdev, LED_IDENTIFICATION_OFF); else if (oct->chip_id == OCTEON_CN66XX) octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG, VITESSE_PHY_GPIO_LOW); else return -EINVAL; break; case ETHTOOL_ID_INACTIVE: if (oct->chip_id == OCTEON_CN66XX) { octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG, VITESSE_PHY_GPIO_DRIVEOFF); } else if (oct->chip_id == OCTEON_CN68XX) { /* Restore LED settings */ ret = octnet_mdio45_access(lio, 1, LIO68XX_LED_CTRL_ADDR, &lio->led_ctrl_val); if (ret) return ret; ret = octnet_mdio45_access(lio, 1, LIO68XX_LED_BEACON_ADDR, &lio->phy_beacon_val); if (ret) return ret; } else if (oct->chip_id == OCTEON_CN23XX_PF_VID) { octnet_id_active(netdev, LED_IDENTIFICATION_OFF); return 0; } else { return -EINVAL; } break; default: return -EINVAL; } return 0; } static void lio_ethtool_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ering, struct kernel_ethtool_ringparam *kernel_ering, struct netlink_ext_ack *extack) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; u32 tx_max_pending = 0, rx_max_pending = 0, tx_pending = 0, rx_pending = 0; if (ifstate_check(lio, LIO_IFSTATE_RESETTING)) return; if (OCTEON_CN6XXX(oct)) { struct octeon_config *conf6x = CHIP_CONF(oct, cn6xxx); tx_max_pending = CN6XXX_MAX_IQ_DESCRIPTORS; rx_max_pending = CN6XXX_MAX_OQ_DESCRIPTORS; rx_pending = CFG_GET_NUM_RX_DESCS_NIC_IF(conf6x, lio->ifidx); tx_pending = CFG_GET_NUM_TX_DESCS_NIC_IF(conf6x, lio->ifidx); } else if (OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) { tx_max_pending = CN23XX_MAX_IQ_DESCRIPTORS; rx_max_pending = CN23XX_MAX_OQ_DESCRIPTORS; rx_pending = oct->droq[0]->max_count; tx_pending = oct->instr_queue[0]->max_count; } ering->tx_pending = tx_pending; ering->tx_max_pending = tx_max_pending; ering->rx_pending = rx_pending; ering->rx_max_pending = rx_max_pending; ering->rx_mini_pending = 0; ering->rx_jumbo_pending = 0; ering->rx_mini_max_pending = 0; ering->rx_jumbo_max_pending = 0; } static int lio_23xx_reconfigure_queue_count(struct lio *lio) { struct octeon_device *oct = lio->oct_dev; u32 resp_size, data_size; struct liquidio_if_cfg_resp *resp; struct octeon_soft_command *sc; union oct_nic_if_cfg if_cfg; struct lio_version *vdata; u32 ifidx_or_pfnum; int retval; int j; resp_size = sizeof(struct liquidio_if_cfg_resp); data_size = sizeof(struct lio_version); sc = (struct octeon_soft_command *) octeon_alloc_soft_command(oct, data_size, resp_size, 0); if (!sc) { dev_err(&oct->pci_dev->dev, "%s: Failed to allocate soft command\n", __func__); return -1; } resp = (struct liquidio_if_cfg_resp *)sc->virtrptr; vdata = (struct lio_version *)sc->virtdptr; vdata->major = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MAJOR_VERSION); vdata->minor = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MINOR_VERSION); vdata->micro = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION); ifidx_or_pfnum = oct->pf_num; if_cfg.u64 = 0; if_cfg.s.num_iqueues = oct->sriov_info.num_pf_rings; if_cfg.s.num_oqueues = oct->sriov_info.num_pf_rings; if_cfg.s.base_queue = oct->sriov_info.pf_srn; if_cfg.s.gmx_port_id = oct->pf_num; sc->iq_no = 0; octeon_prepare_soft_command(oct, sc, OPCODE_NIC, OPCODE_NIC_QCOUNT_UPDATE, 0, if_cfg.u64, 0); init_completion(&sc->complete); sc->sc_status = OCTEON_REQUEST_PENDING; retval = octeon_send_soft_command(oct, sc); if (retval == IQ_SEND_FAILED) { dev_err(&oct->pci_dev->dev, "Sending iq/oq config failed status: %x\n", retval); octeon_free_soft_command(oct, sc); return -EIO; } retval = wait_for_sc_completion_timeout(oct, sc, 0); if (retval) return retval; retval = resp->status; if (retval) { dev_err(&oct->pci_dev->dev, "iq/oq config failed: %x\n", retval); WRITE_ONCE(sc->caller_is_done, true); return -1; } octeon_swap_8B_data((u64 *)(&resp->cfg_info), (sizeof(struct liquidio_if_cfg_info)) >> 3); lio->ifidx = ifidx_or_pfnum; lio->linfo.num_rxpciq = hweight64(resp->cfg_info.iqmask); lio->linfo.num_txpciq = hweight64(resp->cfg_info.iqmask); for (j = 0; j < lio->linfo.num_rxpciq; j++) { lio->linfo.rxpciq[j].u64 = resp->cfg_info.linfo.rxpciq[j].u64; } for (j = 0; j < lio->linfo.num_txpciq; j++) { lio->linfo.txpciq[j].u64 = resp->cfg_info.linfo.txpciq[j].u64; } lio->linfo.hw_addr = resp->cfg_info.linfo.hw_addr; lio->linfo.gmxport = resp->cfg_info.linfo.gmxport; lio->linfo.link.u64 = resp->cfg_info.linfo.link.u64; lio->txq = lio->linfo.txpciq[0].s.q_no; lio->rxq = lio->linfo.rxpciq[0].s.q_no; dev_info(&oct->pci_dev->dev, "Queue count updated to %d\n", lio->linfo.num_rxpciq); WRITE_ONCE(sc->caller_is_done, true); return 0; } static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; int i, queue_count_update = 0; struct napi_struct *napi, *n; int ret; schedule_timeout_uninterruptible(msecs_to_jiffies(100)); if (wait_for_pending_requests(oct)) dev_err(&oct->pci_dev->dev, "There were pending requests\n"); if (lio_wait_for_instr_fetch(oct)) dev_err(&oct->pci_dev->dev, "IQ had pending instructions\n"); if (octeon_set_io_queues_off(oct)) { dev_err(&oct->pci_dev->dev, "Setting io queues off failed\n"); return -1; } /* Disable the input and output queues now. No more packets will * arrive from Octeon. */ oct->fn_list.disable_io_queues(oct); /* Delete NAPI */ list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list) netif_napi_del(napi); if (num_qs != oct->num_iqs) { ret = netif_set_real_num_rx_queues(netdev, num_qs); if (ret) { dev_err(&oct->pci_dev->dev, "Setting real number rx failed\n"); return ret; } ret = netif_set_real_num_tx_queues(netdev, num_qs); if (ret) { dev_err(&oct->pci_dev->dev, "Setting real number tx failed\n"); return ret; } /* The value of queue_count_update decides whether it is the * queue count or the descriptor count that is being * re-configured. */ queue_count_update = 1; } /* Re-configuration of queues can happen in two scenarios, SRIOV enabled * and SRIOV disabled. Few things like recreating queue zero, resetting * glists and IRQs are required for both. For the latter, some more * steps like updating sriov_info for the octeon device need to be done. */ if (queue_count_update) { cleanup_rx_oom_poll_fn(netdev); lio_delete_glists(lio); /* Delete mbox for PF which is SRIOV disabled because sriov_info * will be now changed. */ if ((OCTEON_CN23XX_PF(oct)) && !oct->sriov_info.sriov_enabled) oct->fn_list.free_mbox(oct); } for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct); i++) { if (!(oct->io_qmask.oq & BIT_ULL(i))) continue; octeon_delete_droq(oct, i); } for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct); i++) { if (!(oct->io_qmask.iq & BIT_ULL(i))) continue; octeon_delete_instr_queue(oct, i); } if (queue_count_update) { /* For PF re-configure sriov related information */ if ((OCTEON_CN23XX_PF(oct)) && !oct->sriov_info.sriov_enabled) { oct->sriov_info.num_pf_rings = num_qs; if (cn23xx_sriov_config(oct)) { dev_err(&oct->pci_dev->dev, "Queue reset aborted: SRIOV config failed\n"); return -1; } num_qs = oct->sriov_info.num_pf_rings; } } if (oct->fn_list.setup_device_regs(oct)) { dev_err(&oct->pci_dev->dev, "Failed to configure device registers\n"); return -1; } /* The following are needed in case of queue count re-configuration and * not for descriptor count re-configuration. */ if (queue_count_update) { if (octeon_setup_instr_queues(oct)) return -1; if (octeon_setup_output_queues(oct)) return -1; /* Recreating mbox for PF that is SRIOV disabled */ if (OCTEON_CN23XX_PF(oct) && !oct->sriov_info.sriov_enabled) { if (oct->fn_list.setup_mbox(oct)) { dev_err(&oct->pci_dev->dev, "Mailbox setup failed\n"); return -1; } } /* Deleting and recreating IRQs whether the interface is SRIOV * enabled or disabled. */ if (lio_irq_reallocate_irqs(oct, num_qs)) { dev_err(&oct->pci_dev->dev, "IRQs could not be allocated\n"); return -1; } /* Enable the input and output queues for this Octeon device */ if (oct->fn_list.enable_io_queues(oct)) { dev_err(&oct->pci_dev->dev, "Failed to enable input/output queues\n"); return -1; } for (i = 0; i < oct->num_oqs; i++) writel(oct->droq[i]->max_count, oct->droq[i]->pkts_credit_reg); /* Informing firmware about the new queue count. It is required * for firmware to allocate more number of queues than those at * load time. */ if (OCTEON_CN23XX_PF(oct) && !oct->sriov_info.sriov_enabled) { if (lio_23xx_reconfigure_queue_count(lio)) return -1; } } /* Once firmware is aware of the new value, queues can be recreated */ if (liquidio_setup_io_queues(oct, 0, num_qs, num_qs)) { dev_err(&oct->pci_dev->dev, "I/O queues creation failed\n"); return -1; } if (queue_count_update) { if (lio_setup_glists(oct, lio, num_qs)) { dev_err(&oct->pci_dev->dev, "Gather list allocation failed\n"); return -1; } if (setup_rx_oom_poll_fn(netdev)) { dev_err(&oct->pci_dev->dev, "lio_setup_rx_oom_poll_fn failed\n"); return 1; } /* Send firmware the information about new number of queues * if the interface is a VF or a PF that is SRIOV enabled. */ if (oct->sriov_info.sriov_enabled || OCTEON_CN23XX_VF(oct)) if (lio_send_queue_count_update(netdev, num_qs)) return -1; } return 0; } static int lio_ethtool_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ering, struct kernel_ethtool_ringparam *kernel_ering, struct netlink_ext_ack *extack) { u32 rx_count, tx_count, rx_count_old, tx_count_old; struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; int stopped = 0; if (!OCTEON_CN23XX_PF(oct) && !OCTEON_CN23XX_VF(oct)) return -EINVAL; if (ering->rx_mini_pending || ering->rx_jumbo_pending) return -EINVAL; rx_count = clamp_t(u32, ering->rx_pending, CN23XX_MIN_OQ_DESCRIPTORS, CN23XX_MAX_OQ_DESCRIPTORS); tx_count = clamp_t(u32, ering->tx_pending, CN23XX_MIN_IQ_DESCRIPTORS, CN23XX_MAX_IQ_DESCRIPTORS); rx_count_old = oct->droq[0]->max_count; tx_count_old = oct->instr_queue[0]->max_count; if (rx_count == rx_count_old && tx_count == tx_count_old) return 0; ifstate_set(lio, LIO_IFSTATE_RESETTING); if (netif_running(netdev)) { netdev->netdev_ops->ndo_stop(netdev); stopped = 1; } /* Change RX/TX DESCS count */ if (tx_count != tx_count_old) CFG_SET_NUM_TX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx, tx_count); if (rx_count != rx_count_old) CFG_SET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx, rx_count); if (lio_reset_queues(netdev, oct->num_iqs)) goto err_lio_reset_queues; if (stopped) netdev->netdev_ops->ndo_open(netdev); ifstate_reset(lio, LIO_IFSTATE_RESETTING); return 0; err_lio_reset_queues: if (tx_count != tx_count_old) CFG_SET_NUM_TX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx, tx_count_old); if (rx_count != rx_count_old) CFG_SET_NUM_RX_DESCS_NIC_IF(octeon_get_conf(oct), lio->ifidx, rx_count_old); return -EINVAL; } static u32 lio_get_msglevel(struct net_device *netdev) { struct lio *lio = GET_LIO(netdev); return lio->msg_enable; } static void lio_set_msglevel(struct net_device *netdev, u32 msglvl) { struct lio *lio = GET_LIO(netdev); if ((msglvl ^ lio->msg_enable) & NETIF_MSG_HW) { if (msglvl & NETIF_MSG_HW) liquidio_set_feature(netdev, OCTNET_CMD_VERBOSE_ENABLE, 0); else liquidio_set_feature(netdev, OCTNET_CMD_VERBOSE_DISABLE, 0); } lio->msg_enable = msglvl; } static void lio_vf_set_msglevel(struct net_device *netdev, u32 msglvl) { struct lio *lio = GET_LIO(netdev); lio->msg_enable = msglvl; } static void lio_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { /* Notes: Not supporting any auto negotiation in these * drivers. Just report pause frame support. */ struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; pause->autoneg = 0; pause->tx_pause = oct->tx_pause; pause->rx_pause = oct->rx_pause; } static int lio_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { /* Notes: Not supporting any auto negotiation in these * drivers. */ struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct octnic_ctrl_pkt nctrl; struct oct_link_info *linfo = &lio->linfo; int ret = 0; if (oct->chip_id != OCTEON_CN23XX_PF_VID) return -EINVAL; if (linfo->link.s.duplex == 0) { /*no flow control for half duplex*/ if (pause->rx_pause || pause->tx_pause) return -EINVAL; } /*do not support autoneg of link flow control*/ if (pause->autoneg == AUTONEG_ENABLE) return -EINVAL; memset(&nctrl, 0, sizeof(struct octnic_ctrl_pkt)); nctrl.ncmd.u64 = 0; nctrl.ncmd.s.cmd = OCTNET_CMD_SET_FLOW_CTL; nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; nctrl.netpndev = (u64)netdev; nctrl.cb_fn = liquidio_link_ctrl_cmd_completion; if (pause->rx_pause) { /*enable rx pause*/ nctrl.ncmd.s.param1 = 1; } else { /*disable rx pause*/ nctrl.ncmd.s.param1 = 0; } if (pause->tx_pause) { /*enable tx pause*/ nctrl.ncmd.s.param2 = 1; } else { /*disable tx pause*/ nctrl.ncmd.s.param2 = 0; } ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl); if (ret) { dev_err(&oct->pci_dev->dev, "Failed to set pause parameter, ret=%d\n", ret); return -EINVAL; } oct->rx_pause = pause->rx_pause; oct->tx_pause = pause->tx_pause; return 0; } static void lio_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats __attribute__((unused)), u64 *data) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; struct rtnl_link_stats64 lstats; int i = 0, j; if (ifstate_check(lio, LIO_IFSTATE_RESETTING)) return; netdev->netdev_ops->ndo_get_stats64(netdev, &lstats); /*sum of oct->droq[oq_no]->stats->rx_pkts_received */ data[i++] = lstats.rx_packets; /*sum of oct->instr_queue[iq_no]->stats.tx_done */ data[i++] = lstats.tx_packets; /*sum of oct->droq[oq_no]->stats->rx_bytes_received */ data[i++] = lstats.rx_bytes; /*sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */ data[i++] = lstats.tx_bytes; data[i++] = lstats.rx_errors + oct_dev->link_stats.fromwire.fcs_err + oct_dev->link_stats.fromwire.jabber_err + oct_dev->link_stats.fromwire.l2_err + oct_dev->link_stats.fromwire.frame_err; data[i++] = lstats.tx_errors; /*sum of oct->droq[oq_no]->stats->rx_dropped + *oct->droq[oq_no]->stats->dropped_nodispatch + *oct->droq[oq_no]->stats->dropped_toomany + *oct->droq[oq_no]->stats->dropped_nomem */ data[i++] = lstats.rx_dropped + oct_dev->link_stats.fromwire.fifo_err + oct_dev->link_stats.fromwire.dmac_drop + oct_dev->link_stats.fromwire.red_drops + oct_dev->link_stats.fromwire.fw_err_pko + oct_dev->link_stats.fromwire.fw_err_link + oct_dev->link_stats.fromwire.fw_err_drop; /*sum of oct->instr_queue[iq_no]->stats.tx_dropped */ data[i++] = lstats.tx_dropped + oct_dev->link_stats.fromhost.max_collision_fail + oct_dev->link_stats.fromhost.max_deferral_fail + oct_dev->link_stats.fromhost.total_collisions + oct_dev->link_stats.fromhost.fw_err_pko + oct_dev->link_stats.fromhost.fw_err_link + oct_dev->link_stats.fromhost.fw_err_drop + oct_dev->link_stats.fromhost.fw_err_pki; /* firmware tx stats */ /*per_core_stats[cvmx_get_core_num()].link_stats[mdata->from_ifidx]. *fromhost.fw_total_sent */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_sent); /*per_core_stats[i].link_stats[port].fromwire.fw_total_fwd */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_total_fwd); /*per_core_stats[j].link_stats[i].fromhost.fw_err_pko */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pko); /*per_core_stats[j].link_stats[i].fromhost.fw_err_pki */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_pki); /*per_core_stats[j].link_stats[i].fromhost.fw_err_link */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_link); /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. *fw_err_drop */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_drop); /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost.fw_tso */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso); /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. *fw_tso_fwd */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tso_fwd); /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. *fw_err_tso */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_err_tso); /*per_core_stats[cvmx_get_core_num()].link_stats[idx].fromhost. *fw_tx_vxlan */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fw_tx_vxlan); /* Multicast packets sent by this port */ data[i++] = oct_dev->link_stats.fromhost.fw_total_mcast_sent; data[i++] = oct_dev->link_stats.fromhost.fw_total_bcast_sent; /* mac tx statistics */ /*CVMX_BGXX_CMRX_TX_STAT5 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_pkts_sent); /*CVMX_BGXX_CMRX_TX_STAT4 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_bytes_sent); /*CVMX_BGXX_CMRX_TX_STAT15 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.mcast_pkts_sent); /*CVMX_BGXX_CMRX_TX_STAT14 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.bcast_pkts_sent); /*CVMX_BGXX_CMRX_TX_STAT17 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.ctl_sent); /*CVMX_BGXX_CMRX_TX_STAT0 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.total_collisions); /*CVMX_BGXX_CMRX_TX_STAT3 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.one_collision_sent); /*CVMX_BGXX_CMRX_TX_STAT2 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.multi_collision_sent); /*CVMX_BGXX_CMRX_TX_STAT0 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_collision_fail); /*CVMX_BGXX_CMRX_TX_STAT1 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.max_deferral_fail); /*CVMX_BGXX_CMRX_TX_STAT16 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.fifo_err); /*CVMX_BGXX_CMRX_TX_STAT6 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromhost.runts); /* RX firmware stats */ /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_total_rcvd */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_rcvd); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_total_fwd */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_fwd); /* Multicast packets received on this port */ data[i++] = oct_dev->link_stats.fromwire.fw_total_mcast; data[i++] = oct_dev->link_stats.fromwire.fw_total_bcast; /*per_core_stats[core_id].link_stats[ifidx].fromwire.jabber_err */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.jabber_err); /*per_core_stats[core_id].link_stats[ifidx].fromwire.l2_err */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.l2_err); /*per_core_stats[core_id].link_stats[ifidx].fromwire.frame_err */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.frame_err); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_err_pko */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_pko); /*per_core_stats[j].link_stats[i].fromwire.fw_err_link */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_link); /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx]. *fromwire.fw_err_drop */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_err_drop); /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx]. *fromwire.fw_rx_vxlan */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan); /*per_core_stats[cvmx_get_core_num()].link_stats[lro_ctx->ifidx]. *fromwire.fw_rx_vxlan_err */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_rx_vxlan_err); /* LRO */ /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_pkts */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_pkts); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_octs */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_octs); /*per_core_stats[j].link_stats[i].fromwire.fw_total_lro */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_total_lro); /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_aborts_port */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_port); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_aborts_seq */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_seq); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_aborts_tsval */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_tsval); /*per_core_stats[cvmx_get_core_num()].link_stats[ifidx].fromwire. *fw_lro_aborts_timer */ /* intrmod: packet forward rate */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fw_lro_aborts_timer); /*per_core_stats[j].link_stats[i].fromwire.fw_lro_aborts */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fwd_rate); /* mac: link-level stats */ /*CVMX_BGXX_CMRX_RX_STAT0 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_rcvd); /*CVMX_BGXX_CMRX_RX_STAT1 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.bytes_rcvd); /*CVMX_PKI_STATX_STAT5 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_bcst); /*CVMX_PKI_STATX_STAT5 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.total_mcst); /*wqe->word2.err_code or wqe->word2.err_level */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.runts); /*CVMX_BGXX_CMRX_RX_STAT2 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.ctl_rcvd); /*CVMX_BGXX_CMRX_RX_STAT6 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fifo_err); /*CVMX_BGXX_CMRX_RX_STAT4 */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.dmac_drop); /*wqe->word2.err_code or wqe->word2.err_level */ data[i++] = CVM_CAST64(oct_dev->link_stats.fromwire.fcs_err); /*lio->link_changes*/ data[i++] = CVM_CAST64(lio->link_changes); for (j = 0; j < MAX_OCTEON_INSTR_QUEUES(oct_dev); j++) { if (!(oct_dev->io_qmask.iq & BIT_ULL(j))) continue; /*packets to network port*/ /*# of packets tx to network */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done); /*# of bytes tx to network */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_tot_bytes); /*# of packets dropped */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_dropped); /*# of tx fails due to queue full */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_iq_busy); /*XXX gather entries sent */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.sgentry_sent); /*instruction to firmware: data and control */ /*# of instructions to the queue */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_posted); /*# of instructions processed */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.instr_processed); /*# of instructions could not be processed */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.instr_dropped); /*bytes sent through the queue */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.bytes_sent); /*tso request*/ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso); /*vxlan request*/ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan); /*txq restart*/ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_restart); } /* RX */ for (j = 0; j < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); j++) { if (!(oct_dev->io_qmask.oq & BIT_ULL(j))) continue; /*packets send to TCP/IP network stack */ /*# of packets to network stack */ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_pkts_received); /*# of bytes to network stack */ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_bytes_received); /*# of packets dropped */ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem + oct_dev->droq[j]->stats.dropped_toomany + oct_dev->droq[j]->stats.rx_dropped); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped); /*control and data path*/ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure); } } static void lio_vf_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats __attribute__((unused)), u64 *data) { struct rtnl_link_stats64 lstats; struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; int i = 0, j, vj; if (ifstate_check(lio, LIO_IFSTATE_RESETTING)) return; netdev->netdev_ops->ndo_get_stats64(netdev, &lstats); /* sum of oct->droq[oq_no]->stats->rx_pkts_received */ data[i++] = lstats.rx_packets; /* sum of oct->instr_queue[iq_no]->stats.tx_done */ data[i++] = lstats.tx_packets; /* sum of oct->droq[oq_no]->stats->rx_bytes_received */ data[i++] = lstats.rx_bytes; /* sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */ data[i++] = lstats.tx_bytes; data[i++] = lstats.rx_errors; data[i++] = lstats.tx_errors; /* sum of oct->droq[oq_no]->stats->rx_dropped + * oct->droq[oq_no]->stats->dropped_nodispatch + * oct->droq[oq_no]->stats->dropped_toomany + * oct->droq[oq_no]->stats->dropped_nomem */ data[i++] = lstats.rx_dropped; /* sum of oct->instr_queue[iq_no]->stats.tx_dropped */ data[i++] = lstats.tx_dropped + oct_dev->link_stats.fromhost.fw_err_drop; data[i++] = oct_dev->link_stats.fromwire.fw_total_mcast; data[i++] = oct_dev->link_stats.fromhost.fw_total_mcast_sent; data[i++] = oct_dev->link_stats.fromwire.fw_total_bcast; data[i++] = oct_dev->link_stats.fromhost.fw_total_bcast_sent; /* lio->link_changes */ data[i++] = CVM_CAST64(lio->link_changes); for (vj = 0; vj < oct_dev->num_iqs; vj++) { j = lio->linfo.txpciq[vj].s.q_no; /* packets to network port */ /* # of packets tx to network */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_done); /* # of bytes tx to network */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.tx_tot_bytes); /* # of packets dropped */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.tx_dropped); /* # of tx fails due to queue full */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.tx_iq_busy); /* XXX gather entries sent */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.sgentry_sent); /* instruction to firmware: data and control */ /* # of instructions to the queue */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.instr_posted); /* # of instructions processed */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_processed); /* # of instructions could not be processed */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.instr_dropped); /* bytes sent through the queue */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.bytes_sent); /* tso request */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_gso); /* vxlan request */ data[i++] = CVM_CAST64(oct_dev->instr_queue[j]->stats.tx_vxlan); /* txq restart */ data[i++] = CVM_CAST64( oct_dev->instr_queue[j]->stats.tx_restart); } /* RX */ for (vj = 0; vj < oct_dev->num_oqs; vj++) { j = lio->linfo.rxpciq[vj].s.q_no; /* packets send to TCP/IP network stack */ /* # of packets to network stack */ data[i++] = CVM_CAST64( oct_dev->droq[j]->stats.rx_pkts_received); /* # of bytes to network stack */ data[i++] = CVM_CAST64( oct_dev->droq[j]->stats.rx_bytes_received); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem + oct_dev->droq[j]->stats.dropped_toomany + oct_dev->droq[j]->stats.rx_dropped); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nomem); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_toomany); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_dropped); /* control and data path */ data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.pkts_received); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.bytes_received); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.dropped_nodispatch); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_vxlan); data[i++] = CVM_CAST64(oct_dev->droq[j]->stats.rx_alloc_failure); } } static void lio_get_priv_flags_strings(struct lio *lio, u8 *data) { struct octeon_device *oct_dev = lio->oct_dev; int i; switch (oct_dev->chip_id) { case OCTEON_CN23XX_PF_VID: case OCTEON_CN23XX_VF_VID: for (i = 0; i < ARRAY_SIZE(oct_priv_flags_strings); i++) { sprintf(data, "%s", oct_priv_flags_strings[i]); data += ETH_GSTRING_LEN; } break; case OCTEON_CN68XX: case OCTEON_CN66XX: break; default: netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n"); break; } } static void lio_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; int num_iq_stats, num_oq_stats, i, j; int num_stats; switch (stringset) { case ETH_SS_STATS: num_stats = ARRAY_SIZE(oct_stats_strings); for (j = 0; j < num_stats; j++) { sprintf(data, "%s", oct_stats_strings[j]); data += ETH_GSTRING_LEN; } num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings); for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) { if (!(oct_dev->io_qmask.iq & BIT_ULL(i))) continue; for (j = 0; j < num_iq_stats; j++) { sprintf(data, "tx-%d-%s", i, oct_iq_stats_strings[j]); data += ETH_GSTRING_LEN; } } num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings); for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) { if (!(oct_dev->io_qmask.oq & BIT_ULL(i))) continue; for (j = 0; j < num_oq_stats; j++) { sprintf(data, "rx-%d-%s", i, oct_droq_stats_strings[j]); data += ETH_GSTRING_LEN; } } break; case ETH_SS_PRIV_FLAGS: lio_get_priv_flags_strings(lio, data); break; default: netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n"); break; } } static void lio_vf_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { int num_iq_stats, num_oq_stats, i, j; struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; int num_stats; switch (stringset) { case ETH_SS_STATS: num_stats = ARRAY_SIZE(oct_vf_stats_strings); for (j = 0; j < num_stats; j++) { sprintf(data, "%s", oct_vf_stats_strings[j]); data += ETH_GSTRING_LEN; } num_iq_stats = ARRAY_SIZE(oct_iq_stats_strings); for (i = 0; i < MAX_OCTEON_INSTR_QUEUES(oct_dev); i++) { if (!(oct_dev->io_qmask.iq & BIT_ULL(i))) continue; for (j = 0; j < num_iq_stats; j++) { sprintf(data, "tx-%d-%s", i, oct_iq_stats_strings[j]); data += ETH_GSTRING_LEN; } } num_oq_stats = ARRAY_SIZE(oct_droq_stats_strings); for (i = 0; i < MAX_OCTEON_OUTPUT_QUEUES(oct_dev); i++) { if (!(oct_dev->io_qmask.oq & BIT_ULL(i))) continue; for (j = 0; j < num_oq_stats; j++) { sprintf(data, "rx-%d-%s", i, oct_droq_stats_strings[j]); data += ETH_GSTRING_LEN; } } break; case ETH_SS_PRIV_FLAGS: lio_get_priv_flags_strings(lio, data); break; default: netif_info(lio, drv, lio->netdev, "Unknown Stringset !!\n"); break; } } static int lio_get_priv_flags_ss_count(struct lio *lio) { struct octeon_device *oct_dev = lio->oct_dev; switch (oct_dev->chip_id) { case OCTEON_CN23XX_PF_VID: case OCTEON_CN23XX_VF_VID: return ARRAY_SIZE(oct_priv_flags_strings); case OCTEON_CN68XX: case OCTEON_CN66XX: return -EOPNOTSUPP; default: netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n"); return -EOPNOTSUPP; } } static int lio_get_sset_count(struct net_device *netdev, int sset) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; switch (sset) { case ETH_SS_STATS: return (ARRAY_SIZE(oct_stats_strings) + ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs + ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs); case ETH_SS_PRIV_FLAGS: return lio_get_priv_flags_ss_count(lio); default: return -EOPNOTSUPP; } } static int lio_vf_get_sset_count(struct net_device *netdev, int sset) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct_dev = lio->oct_dev; switch (sset) { case ETH_SS_STATS: return (ARRAY_SIZE(oct_vf_stats_strings) + ARRAY_SIZE(oct_iq_stats_strings) * oct_dev->num_iqs + ARRAY_SIZE(oct_droq_stats_strings) * oct_dev->num_oqs); case ETH_SS_PRIV_FLAGS: return lio_get_priv_flags_ss_count(lio); default: return -EOPNOTSUPP; } } /* get interrupt moderation parameters */ static int octnet_get_intrmod_cfg(struct lio *lio, struct oct_intrmod_cfg *intr_cfg) { struct octeon_soft_command *sc; struct oct_intrmod_resp *resp; int retval; struct octeon_device *oct_dev = lio->oct_dev; /* Alloc soft command */ sc = (struct octeon_soft_command *) octeon_alloc_soft_command(oct_dev, 0, sizeof(struct oct_intrmod_resp), 0); if (!sc) return -ENOMEM; resp = (struct oct_intrmod_resp *)sc->virtrptr; memset(resp, 0, sizeof(struct oct_intrmod_resp)); sc->iq_no = lio->linfo.txpciq[0].s.q_no; octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_INTRMOD_PARAMS, 0, 0, 0); init_completion(&sc->complete); sc->sc_status = OCTEON_REQUEST_PENDING; retval = octeon_send_soft_command(oct_dev, sc); if (retval == IQ_SEND_FAILED) { octeon_free_soft_command(oct_dev, sc); return -EINVAL; } /* Sleep on a wait queue till the cond flag indicates that the * response arrived or timed-out. */ retval = wait_for_sc_completion_timeout(oct_dev, sc, 0); if (retval) return -ENODEV; if (resp->status) { dev_err(&oct_dev->pci_dev->dev, "Get interrupt moderation parameters failed\n"); WRITE_ONCE(sc->caller_is_done, true); return -ENODEV; } octeon_swap_8B_data((u64 *)&resp->intrmod, (sizeof(struct oct_intrmod_cfg)) / 8); memcpy(intr_cfg, &resp->intrmod, sizeof(struct oct_intrmod_cfg)); WRITE_ONCE(sc->caller_is_done, true); return 0; } /* Configure interrupt moderation parameters */ static int octnet_set_intrmod_cfg(struct lio *lio, struct oct_intrmod_cfg *intr_cfg) { struct octeon_soft_command *sc; struct oct_intrmod_cfg *cfg; int retval; struct octeon_device *oct_dev = lio->oct_dev; /* Alloc soft command */ sc = (struct octeon_soft_command *) octeon_alloc_soft_command(oct_dev, sizeof(struct oct_intrmod_cfg), 16, 0); if (!sc) return -ENOMEM; cfg = (struct oct_intrmod_cfg *)sc->virtdptr; memcpy(cfg, intr_cfg, sizeof(struct oct_intrmod_cfg)); octeon_swap_8B_data((u64 *)cfg, (sizeof(struct oct_intrmod_cfg)) / 8); sc->iq_no = lio->linfo.txpciq[0].s.q_no; octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_INTRMOD_CFG, 0, 0, 0); init_completion(&sc->complete); sc->sc_status = OCTEON_REQUEST_PENDING; retval = octeon_send_soft_command(oct_dev, sc); if (retval == IQ_SEND_FAILED) { octeon_free_soft_command(oct_dev, sc); return -EINVAL; } /* Sleep on a wait queue till the cond flag indicates that the * response arrived or timed-out. */ retval = wait_for_sc_completion_timeout(oct_dev, sc, 0); if (retval) return retval; retval = sc->sc_status; if (retval == 0) { dev_info(&oct_dev->pci_dev->dev, "Rx-Adaptive Interrupt moderation %s\n", (intr_cfg->rx_enable) ? "enabled" : "disabled"); WRITE_ONCE(sc->caller_is_done, true); return 0; } dev_err(&oct_dev->pci_dev->dev, "intrmod config failed. Status: %x\n", retval); WRITE_ONCE(sc->caller_is_done, true); return -ENODEV; } static int lio_get_intr_coalesce(struct net_device *netdev, struct ethtool_coalesce *intr_coal, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; struct octeon_instr_queue *iq; struct oct_intrmod_cfg intrmod_cfg; if (octnet_get_intrmod_cfg(lio, &intrmod_cfg)) return -ENODEV; switch (oct->chip_id) { case OCTEON_CN23XX_PF_VID: case OCTEON_CN23XX_VF_VID: { if (!intrmod_cfg.rx_enable) { intr_coal->rx_coalesce_usecs = oct->rx_coalesce_usecs; intr_coal->rx_max_coalesced_frames = oct->rx_max_coalesced_frames; } if (!intrmod_cfg.tx_enable) intr_coal->tx_max_coalesced_frames = oct->tx_max_coalesced_frames; break; } case OCTEON_CN68XX: case OCTEON_CN66XX: { struct octeon_cn6xxx *cn6xxx = (struct octeon_cn6xxx *)oct->chip; if (!intrmod_cfg.rx_enable) { intr_coal->rx_coalesce_usecs = CFG_GET_OQ_INTR_TIME(cn6xxx->conf); intr_coal->rx_max_coalesced_frames = CFG_GET_OQ_INTR_PKT(cn6xxx->conf); } iq = oct->instr_queue[lio->linfo.txpciq[0].s.q_no]; intr_coal->tx_max_coalesced_frames = iq->fill_threshold; break; } default: netif_info(lio, drv, lio->netdev, "Unknown Chip !!\n"); return -EINVAL; } if (intrmod_cfg.rx_enable) { intr_coal->use_adaptive_rx_coalesce = intrmod_cfg.rx_enable; intr_coal->rate_sample_interval = intrmod_cfg.check_intrvl; intr_coal->pkt_rate_high = intrmod_cfg.maxpkt_ratethr; intr_coal->pkt_rate_low = intrmod_cfg.minpkt_ratethr; intr_coal->rx_max_coalesced_frames_high = intrmod_cfg.rx_maxcnt_trigger; intr_coal->rx_coalesce_usecs_high = intrmod_cfg.rx_maxtmr_trigger; intr_coal->rx_coalesce_usecs_low = intrmod_cfg.rx_mintmr_trigger; intr_coal->rx_max_coalesced_frames_low = intrmod_cfg.rx_mincnt_trigger; } if ((OCTEON_CN23XX_PF(oct) || OCTEON_CN23XX_VF(oct)) && (intrmod_cfg.tx_enable)) { intr_coal->use_adaptive_tx_coalesce = intrmod_cfg.tx_enable; intr_coal->tx_max_coalesced_frames_high = intrmod_cfg.tx_maxcnt_trigger; intr_coal->tx_max_coalesced_frames_low = intrmod_cfg.tx_mincnt_trigger; } return 0; } /* Enable/Disable auto interrupt Moderation */ static int oct_cfg_adaptive_intr(struct lio *lio, struct oct_intrmod_cfg *intrmod_cfg, struct ethtool_coalesce *intr_coal) { int ret = 0; if (intrmod_cfg->rx_enable || intrmod_cfg->tx_enable) { intrmod_cfg->check_intrvl = intr_coal->rate_sample_interval; intrmod_cfg->maxpkt_ratethr = intr_coal->pkt_rate_high; intrmod_cfg->minpkt_ratethr = intr_coal->pkt_rate_low; } if (intrmod_cfg->rx_enable) { intrmod_cfg->rx_maxcnt_trigger = intr_coal->rx_max_coalesced_frames_high; intrmod_cfg->rx_maxtmr_trigger = intr_coal->rx_coalesce_usecs_high; intrmod_cfg->rx_mintmr_trigger = intr_coal->rx_coalesce_usecs_low; intrmod_cfg->rx_mincnt_trigger = intr_coal->rx_max_coalesced_frames_low; } if (intrmod_cfg->tx_enable) { intrmod_cfg->tx_maxcnt_trigger = intr_coal->tx_max_coalesced_frames_high; intrmod_cfg->tx_mincnt_trigger = intr_coal->tx_max_coalesced_frames_low; } ret = octnet_set_intrmod_cfg(lio, intrmod_cfg); return ret; } static int oct_cfg_rx_intrcnt(struct lio *lio, struct oct_intrmod_cfg *intrmod, struct ethtool_coalesce *intr_coal) { struct octeon_device *oct = lio->oct_dev; u32 rx_max_coalesced_frames; /* Config Cnt based interrupt values */ switch (oct->chip_id) { case OCTEON_CN68XX: case OCTEON_CN66XX: { struct octeon_cn6xxx *cn6xxx = (struct octeon_cn6xxx *)oct->chip; if (!intr_coal->rx_max_coalesced_frames) rx_max_coalesced_frames = CN6XXX_OQ_INTR_PKT; else rx_max_coalesced_frames = intr_coal->rx_max_coalesced_frames; octeon_write_csr(oct, CN6XXX_SLI_OQ_INT_LEVEL_PKTS, rx_max_coalesced_frames); CFG_SET_OQ_INTR_PKT(cn6xxx->conf, rx_max_coalesced_frames); break; } case OCTEON_CN23XX_PF_VID: { int q_no; if (!intr_coal->rx_max_coalesced_frames) rx_max_coalesced_frames = intrmod->rx_frames; else rx_max_coalesced_frames = intr_coal->rx_max_coalesced_frames; for (q_no = 0; q_no < oct->num_oqs; q_no++) { q_no += oct->sriov_info.pf_srn; octeon_write_csr64( oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no), (octeon_read_csr64( oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no)) & (0x3fffff00000000UL)) | (rx_max_coalesced_frames - 1)); /*consider setting resend bit*/ } intrmod->rx_frames = rx_max_coalesced_frames; oct->rx_max_coalesced_frames = rx_max_coalesced_frames; break; } case OCTEON_CN23XX_VF_VID: { int q_no; if (!intr_coal->rx_max_coalesced_frames) rx_max_coalesced_frames = intrmod->rx_frames; else rx_max_coalesced_frames = intr_coal->rx_max_coalesced_frames; for (q_no = 0; q_no < oct->num_oqs; q_no++) { octeon_write_csr64( oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no), (octeon_read_csr64( oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no)) & (0x3fffff00000000UL)) | (rx_max_coalesced_frames - 1)); /*consider writing to resend bit here*/ } intrmod->rx_frames = rx_max_coalesced_frames; oct->rx_max_coalesced_frames = rx_max_coalesced_frames; break; } default: return -EINVAL; } return 0; } static int oct_cfg_rx_intrtime(struct lio *lio, struct oct_intrmod_cfg *intrmod, struct ethtool_coalesce *intr_coal) { struct octeon_device *oct = lio->oct_dev; u32 time_threshold, rx_coalesce_usecs; /* Config Time based interrupt values */ switch (oct->chip_id) { case OCTEON_CN68XX: case OCTEON_CN66XX: { struct octeon_cn6xxx *cn6xxx = (struct octeon_cn6xxx *)oct->chip; if (!intr_coal->rx_coalesce_usecs) rx_coalesce_usecs = CN6XXX_OQ_INTR_TIME; else rx_coalesce_usecs = intr_coal->rx_coalesce_usecs; time_threshold = lio_cn6xxx_get_oq_ticks(oct, rx_coalesce_usecs); octeon_write_csr(oct, CN6XXX_SLI_OQ_INT_LEVEL_TIME, time_threshold); CFG_SET_OQ_INTR_TIME(cn6xxx->conf, rx_coalesce_usecs); break; } case OCTEON_CN23XX_PF_VID: { u64 time_threshold; int q_no; if (!intr_coal->rx_coalesce_usecs) rx_coalesce_usecs = intrmod->rx_usecs; else rx_coalesce_usecs = intr_coal->rx_coalesce_usecs; time_threshold = cn23xx_pf_get_oq_ticks(oct, (u32)rx_coalesce_usecs); for (q_no = 0; q_no < oct->num_oqs; q_no++) { q_no += oct->sriov_info.pf_srn; octeon_write_csr64(oct, CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no), (intrmod->rx_frames | ((u64)time_threshold << 32))); /*consider writing to resend bit here*/ } intrmod->rx_usecs = rx_coalesce_usecs; oct->rx_coalesce_usecs = rx_coalesce_usecs; break; } case OCTEON_CN23XX_VF_VID: { u64 time_threshold; int q_no; if (!intr_coal->rx_coalesce_usecs) rx_coalesce_usecs = intrmod->rx_usecs; else rx_coalesce_usecs = intr_coal->rx_coalesce_usecs; time_threshold = cn23xx_vf_get_oq_ticks(oct, (u32)rx_coalesce_usecs); for (q_no = 0; q_no < oct->num_oqs; q_no++) { octeon_write_csr64( oct, CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(q_no), (intrmod->rx_frames | ((u64)time_threshold << 32))); /*consider setting resend bit*/ } intrmod->rx_usecs = rx_coalesce_usecs; oct->rx_coalesce_usecs = rx_coalesce_usecs; break; } default: return -EINVAL; } return 0; } static int oct_cfg_tx_intrcnt(struct lio *lio, struct oct_intrmod_cfg *intrmod, struct ethtool_coalesce *intr_coal) { struct octeon_device *oct = lio->oct_dev; u32 iq_intr_pkt; void __iomem *inst_cnt_reg; u64 val; /* Config Cnt based interrupt values */ switch (oct->chip_id) { case OCTEON_CN68XX: case OCTEON_CN66XX: break; case OCTEON_CN23XX_VF_VID: case OCTEON_CN23XX_PF_VID: { int q_no; if (!intr_coal->tx_max_coalesced_frames) iq_intr_pkt = CN23XX_DEF_IQ_INTR_THRESHOLD & CN23XX_PKT_IN_DONE_WMARK_MASK; else iq_intr_pkt = intr_coal->tx_max_coalesced_frames & CN23XX_PKT_IN_DONE_WMARK_MASK; for (q_no = 0; q_no < oct->num_iqs; q_no++) { inst_cnt_reg = (oct->instr_queue[q_no])->inst_cnt_reg; val = readq(inst_cnt_reg); /*clear wmark and count.dont want to write count back*/ val = (val & 0xFFFF000000000000ULL) | ((u64)(iq_intr_pkt - 1) << CN23XX_PKT_IN_DONE_WMARK_BIT_POS); writeq(val, inst_cnt_reg); /*consider setting resend bit*/ } intrmod->tx_frames = iq_intr_pkt; oct->tx_max_coalesced_frames = iq_intr_pkt; break; } default: return -EINVAL; } return 0; } static int lio_set_intr_coalesce(struct net_device *netdev, struct ethtool_coalesce *intr_coal, struct kernel_ethtool_coalesce *kernel_coal, struct netlink_ext_ack *extack) { struct lio *lio = GET_LIO(netdev); int ret; struct octeon_device *oct = lio->oct_dev; struct oct_intrmod_cfg intrmod = {0}; u32 j, q_no; int db_max, db_min; switch (oct->chip_id) { case OCTEON_CN68XX: case OCTEON_CN66XX: db_min = CN6XXX_DB_MIN; db_max = CN6XXX_DB_MAX; if ((intr_coal->tx_max_coalesced_frames >= db_min) && (intr_coal->tx_max_coalesced_frames <= db_max)) { for (j = 0; j < lio->linfo.num_txpciq; j++) { q_no = lio->linfo.txpciq[j].s.q_no; oct->instr_queue[q_no]->fill_threshold = intr_coal->tx_max_coalesced_frames; } } else { dev_err(&oct->pci_dev->dev, "LIQUIDIO: Invalid tx-frames:%d. Range is min:%d max:%d\n", intr_coal->tx_max_coalesced_frames, db_min, db_max); return -EINVAL; } break; case OCTEON_CN23XX_PF_VID: case OCTEON_CN23XX_VF_VID: break; default: return -EINVAL; } intrmod.rx_enable = intr_coal->use_adaptive_rx_coalesce ? 1 : 0; intrmod.tx_enable = intr_coal->use_adaptive_tx_coalesce ? 1 : 0; intrmod.rx_frames = CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct)); intrmod.rx_usecs = CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct)); intrmod.tx_frames = CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct)); ret = oct_cfg_adaptive_intr(lio, &intrmod, intr_coal); if (!intr_coal->use_adaptive_rx_coalesce) { ret = oct_cfg_rx_intrtime(lio, &intrmod, intr_coal); if (ret) goto ret_intrmod; ret = oct_cfg_rx_intrcnt(lio, &intrmod, intr_coal); if (ret) goto ret_intrmod; } else { oct->rx_coalesce_usecs = CFG_GET_OQ_INTR_TIME(octeon_get_conf(oct)); oct->rx_max_coalesced_frames = CFG_GET_OQ_INTR_PKT(octeon_get_conf(oct)); } if (!intr_coal->use_adaptive_tx_coalesce) { ret = oct_cfg_tx_intrcnt(lio, &intrmod, intr_coal); if (ret) goto ret_intrmod; } else { oct->tx_max_coalesced_frames = CFG_GET_IQ_INTR_PKT(octeon_get_conf(oct)); } return 0; ret_intrmod: return ret; } #ifdef PTP_HARDWARE_TIMESTAMPING static int lio_get_ts_info(struct net_device *netdev, struct kernel_ethtool_ts_info *info) { struct lio *lio = GET_LIO(netdev); info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE | SOF_TIMESTAMPING_TX_SOFTWARE; if (lio->ptp_clock) info->phc_index = ptp_clock_index(lio->ptp_clock); info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT); return 0; } #endif /* Return register dump len. */ static int lio_get_regs_len(struct net_device *dev) { struct lio *lio = GET_LIO(dev); struct octeon_device *oct = lio->oct_dev; switch (oct->chip_id) { case OCTEON_CN23XX_PF_VID: return OCT_ETHTOOL_REGDUMP_LEN_23XX; case OCTEON_CN23XX_VF_VID: return OCT_ETHTOOL_REGDUMP_LEN_23XX_VF; default: return OCT_ETHTOOL_REGDUMP_LEN; } } static int cn23xx_read_csr_reg(char *s, struct octeon_device *oct) { u32 reg; u8 pf_num = oct->pf_num; int len = 0; int i; /* PCI Window Registers */ len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n"); /*0x29030 or 0x29040*/ reg = CN23XX_SLI_PKT_MAC_RINFO64(oct->pcie_port, oct->pf_num); len += sprintf(s + len, "\n[%08x] (SLI_PKT_MAC%d_PF%d_RINFO): %016llx\n", reg, oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg)); /*0x27080 or 0x27090*/ reg = CN23XX_SLI_MAC_PF_INT_ENB64(oct->pcie_port, oct->pf_num); len += sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_INT_ENB): %016llx\n", reg, oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg)); /*0x27000 or 0x27010*/ reg = CN23XX_SLI_MAC_PF_INT_SUM64(oct->pcie_port, oct->pf_num); len += sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_INT_SUM): %016llx\n", reg, oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg)); /*0x29120*/ reg = 0x29120; len += sprintf(s + len, "\n[%08x] (SLI_PKT_MEM_CTL): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x27300*/ reg = 0x27300 + oct->pcie_port * CN23XX_MAC_INT_OFFSET + (oct->pf_num) * CN23XX_PF_INT_OFFSET; len += sprintf( s + len, "\n[%08x] (SLI_MAC%d_PF%d_PKT_VF_INT): %016llx\n", reg, oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg)); /*0x27200*/ reg = 0x27200 + oct->pcie_port * CN23XX_MAC_INT_OFFSET + (oct->pf_num) * CN23XX_PF_INT_OFFSET; len += sprintf(s + len, "\n[%08x] (SLI_MAC%d_PF%d_PP_VF_INT): %016llx\n", reg, oct->pcie_port, oct->pf_num, (u64)octeon_read_csr64(oct, reg)); /*29130*/ reg = CN23XX_SLI_PKT_CNT_INT; len += sprintf(s + len, "\n[%08x] (SLI_PKT_CNT_INT): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x29140*/ reg = CN23XX_SLI_PKT_TIME_INT; len += sprintf(s + len, "\n[%08x] (SLI_PKT_TIME_INT): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x29160*/ reg = 0x29160; len += sprintf(s + len, "\n[%08x] (SLI_PKT_INT): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x29180*/ reg = CN23XX_SLI_OQ_WMARK; len += sprintf(s + len, "\n[%08x] (SLI_PKT_OUTPUT_WMARK): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x291E0*/ reg = CN23XX_SLI_PKT_IOQ_RING_RST; len += sprintf(s + len, "\n[%08x] (SLI_PKT_RING_RST): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x29210*/ reg = CN23XX_SLI_GBL_CONTROL; len += sprintf(s + len, "\n[%08x] (SLI_PKT_GBL_CONTROL): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*0x29220*/ reg = 0x29220; len += sprintf(s + len, "\n[%08x] (SLI_PKT_BIST_STATUS): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); /*PF only*/ if (pf_num == 0) { /*0x29260*/ reg = CN23XX_SLI_OUT_BP_EN_W1S; len += sprintf(s + len, "\n[%08x] (SLI_PKT_OUT_BP_EN_W1S): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); } else if (pf_num == 1) { /*0x29270*/ reg = CN23XX_SLI_OUT_BP_EN2_W1S; len += sprintf(s + len, "\n[%08x] (SLI_PKT_OUT_BP_EN2_W1S): %016llx\n", reg, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_BUFF_INFO_SIZE(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10040*/ for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { reg = CN23XX_SLI_IQ_INSTR_COUNT64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10080*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_PKTS_CREDIT(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10090*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_SIZE(i); len += sprintf( s + len, "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10050*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_PKT_CONTROL(i); len += sprintf( s + len, "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10070*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_BASE_ADDR64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x100a0*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_PKT_INT_LEVELS(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x100b0*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = CN23XX_SLI_OQ_PKTS_SENT(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x100c0*/ for (i = 0; i < CN23XX_MAX_OUTPUT_QUEUES; i++) { reg = 0x100c0 + i * CN23XX_OQ_OFFSET; len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); /*0x10000*/ for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { reg = CN23XX_SLI_IQ_PKT_CONTROL64(i); len += sprintf( s + len, "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10010*/ for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { reg = CN23XX_SLI_IQ_BASE_ADDR64(i); len += sprintf( s + len, "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10020*/ for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { reg = CN23XX_SLI_IQ_DOORBELL(i); len += sprintf( s + len, "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10030*/ for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) { reg = CN23XX_SLI_IQ_SIZE(i); len += sprintf( s + len, "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } /*0x10040*/ for (i = 0; i < CN23XX_MAX_INPUT_QUEUES; i++) reg = CN23XX_SLI_IQ_INSTR_COUNT64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } return len; } static int cn23xx_vf_read_csr_reg(char *s, struct octeon_device *oct) { int len = 0; u32 reg; int i; /* PCI Window Registers */ len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n"); for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_BUFF_INFO_SIZE(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_PKTS_CREDIT(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_SIZE(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_PKT_CONTROL(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_BASE_ADDR64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_PKT_INT_LEVELS(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_OQ_PKTS_SENT(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_CNTS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = 0x100c0 + i * CN23XX_VF_OQ_OFFSET; len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = 0x100d0 + i * CN23XX_VF_IQ_OFFSET; len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_VF_INT_SUM): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_IQ_PKT_CONTROL64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_IQ_BASE_ADDR64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_IQ_DOORBELL(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_IQ_SIZE(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } for (i = 0; i < (oct->sriov_info.rings_per_vf); i++) { reg = CN23XX_VF_SLI_IQ_INSTR_COUNT64(i); len += sprintf(s + len, "\n[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n", reg, i, (u64)octeon_read_csr64(oct, reg)); } return len; } static int cn6xxx_read_csr_reg(char *s, struct octeon_device *oct) { u32 reg; int i, len = 0; /* PCI Window Registers */ len += sprintf(s + len, "\n\t Octeon CSR Registers\n\n"); reg = CN6XXX_WIN_WR_ADDR_LO; len += sprintf(s + len, "\n[%02x] (WIN_WR_ADDR_LO): %08x\n", CN6XXX_WIN_WR_ADDR_LO, octeon_read_csr(oct, reg)); reg = CN6XXX_WIN_WR_ADDR_HI; len += sprintf(s + len, "[%02x] (WIN_WR_ADDR_HI): %08x\n", CN6XXX_WIN_WR_ADDR_HI, octeon_read_csr(oct, reg)); reg = CN6XXX_WIN_RD_ADDR_LO; len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_LO): %08x\n", CN6XXX_WIN_RD_ADDR_LO, octeon_read_csr(oct, reg)); reg = CN6XXX_WIN_RD_ADDR_HI; len += sprintf(s + len, "[%02x] (WIN_RD_ADDR_HI): %08x\n", CN6XXX_WIN_RD_ADDR_HI, octeon_read_csr(oct, reg)); reg = CN6XXX_WIN_WR_DATA_LO; len += sprintf(s + len, "[%02x] (WIN_WR_DATA_LO): %08x\n", CN6XXX_WIN_WR_DATA_LO, octeon_read_csr(oct, reg)); reg = CN6XXX_WIN_WR_DATA_HI; len += sprintf(s + len, "[%02x] (WIN_WR_DATA_HI): %08x\n", CN6XXX_WIN_WR_DATA_HI, octeon_read_csr(oct, reg)); len += sprintf(s + len, "[%02x] (WIN_WR_MASK_REG): %08x\n", CN6XXX_WIN_WR_MASK_REG, octeon_read_csr(oct, CN6XXX_WIN_WR_MASK_REG)); /* PCI Interrupt Register */ len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 0): %08x\n", CN6XXX_SLI_INT_ENB64_PORT0, octeon_read_csr(oct, CN6XXX_SLI_INT_ENB64_PORT0)); len += sprintf(s + len, "\n[%x] (INT_ENABLE PORT 1): %08x\n", CN6XXX_SLI_INT_ENB64_PORT1, octeon_read_csr(oct, CN6XXX_SLI_INT_ENB64_PORT1)); len += sprintf(s + len, "[%x] (INT_SUM): %08x\n", CN6XXX_SLI_INT_SUM64, octeon_read_csr(oct, CN6XXX_SLI_INT_SUM64)); /* PCI Output queue registers */ for (i = 0; i < oct->num_oqs; i++) { reg = CN6XXX_SLI_OQ_PKTS_SENT(i); len += sprintf(s + len, "\n[%x] (PKTS_SENT_%d): %08x\n", reg, i, octeon_read_csr(oct, reg)); reg = CN6XXX_SLI_OQ_PKTS_CREDIT(i); len += sprintf(s + len, "[%x] (PKT_CREDITS_%d): %08x\n", reg, i, octeon_read_csr(oct, reg)); } reg = CN6XXX_SLI_OQ_INT_LEVEL_PKTS; len += sprintf(s + len, "\n[%x] (PKTS_SENT_INT_LEVEL): %08x\n", reg, octeon_read_csr(oct, reg)); reg = CN6XXX_SLI_OQ_INT_LEVEL_TIME; len += sprintf(s + len, "[%x] (PKTS_SENT_TIME): %08x\n", reg, octeon_read_csr(oct, reg)); /* PCI Input queue registers */ for (i = 0; i <= 3; i++) { u32 reg; reg = CN6XXX_SLI_IQ_DOORBELL(i); len += sprintf(s + len, "\n[%x] (INSTR_DOORBELL_%d): %08x\n", reg, i, octeon_read_csr(oct, reg)); reg = CN6XXX_SLI_IQ_INSTR_COUNT(i); len += sprintf(s + len, "[%x] (INSTR_COUNT_%d): %08x\n", reg, i, octeon_read_csr(oct, reg)); } /* PCI DMA registers */ len += sprintf(s + len, "\n[%x] (DMA_CNT_0): %08x\n", CN6XXX_DMA_CNT(0), octeon_read_csr(oct, CN6XXX_DMA_CNT(0))); reg = CN6XXX_DMA_PKT_INT_LEVEL(0); len += sprintf(s + len, "[%x] (DMA_INT_LEV_0): %08x\n", CN6XXX_DMA_PKT_INT_LEVEL(0), octeon_read_csr(oct, reg)); reg = CN6XXX_DMA_TIME_INT_LEVEL(0); len += sprintf(s + len, "[%x] (DMA_TIME_0): %08x\n", CN6XXX_DMA_TIME_INT_LEVEL(0), octeon_read_csr(oct, reg)); len += sprintf(s + len, "\n[%x] (DMA_CNT_1): %08x\n", CN6XXX_DMA_CNT(1), octeon_read_csr(oct, CN6XXX_DMA_CNT(1))); reg = CN6XXX_DMA_PKT_INT_LEVEL(1); len += sprintf(s + len, "[%x] (DMA_INT_LEV_1): %08x\n", CN6XXX_DMA_PKT_INT_LEVEL(1), octeon_read_csr(oct, reg)); reg = CN6XXX_DMA_PKT_INT_LEVEL(1); len += sprintf(s + len, "[%x] (DMA_TIME_1): %08x\n", CN6XXX_DMA_TIME_INT_LEVEL(1), octeon_read_csr(oct, reg)); /* PCI Index registers */ len += sprintf(s + len, "\n"); for (i = 0; i < 16; i++) { reg = lio_pci_readq(oct, CN6XXX_BAR1_REG(i, oct->pcie_port)); len += sprintf(s + len, "[%llx] (BAR1_INDEX_%02d): %08x\n", CN6XXX_BAR1_REG(i, oct->pcie_port), i, reg); } return len; } static int cn6xxx_read_config_reg(char *s, struct octeon_device *oct) { u32 val; int i, len = 0; /* PCI CONFIG Registers */ len += sprintf(s + len, "\n\t Octeon Config space Registers\n\n"); for (i = 0; i <= 13; i++) { pci_read_config_dword(oct->pci_dev, (i * 4), &val); len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n", (i * 4), i, val); } for (i = 30; i <= 34; i++) { pci_read_config_dword(oct->pci_dev, (i * 4), &val); len += sprintf(s + len, "[0x%x] (Config[%d]): 0x%08x\n", (i * 4), i, val); } return len; } /* Return register dump user app. */ static void lio_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) { struct lio *lio = GET_LIO(dev); int len = 0; struct octeon_device *oct = lio->oct_dev; regs->version = OCT_ETHTOOL_REGSVER; switch (oct->chip_id) { case OCTEON_CN23XX_PF_VID: memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX); len += cn23xx_read_csr_reg(regbuf + len, oct); break; case OCTEON_CN23XX_VF_VID: memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN_23XX_VF); len += cn23xx_vf_read_csr_reg(regbuf + len, oct); break; case OCTEON_CN68XX: case OCTEON_CN66XX: memset(regbuf, 0, OCT_ETHTOOL_REGDUMP_LEN); len += cn6xxx_read_csr_reg(regbuf + len, oct); len += cn6xxx_read_config_reg(regbuf + len, oct); break; default: dev_err(&oct->pci_dev->dev, "%s Unknown chipid: %d\n", __func__, oct->chip_id); } } static u32 lio_get_priv_flags(struct net_device *netdev) { struct lio *lio = GET_LIO(netdev); return lio->oct_dev->priv_flags; } static int lio_set_priv_flags(struct net_device *netdev, u32 flags) { struct lio *lio = GET_LIO(netdev); bool intr_by_tx_bytes = !!(flags & (0x1 << OCT_PRIV_FLAG_TX_BYTES)); lio_set_priv_flag(lio->oct_dev, OCT_PRIV_FLAG_TX_BYTES, intr_by_tx_bytes); return 0; } static int lio_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fec) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; fec->active_fec = ETHTOOL_FEC_NONE; fec->fec = ETHTOOL_FEC_NONE; if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID || oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) { if (oct->no_speed_setting == 1) return 0; liquidio_get_fec(lio); fec->fec = (ETHTOOL_FEC_RS | ETHTOOL_FEC_OFF); if (oct->props[lio->ifidx].fec == 1) fec->active_fec = ETHTOOL_FEC_RS; else fec->active_fec = ETHTOOL_FEC_OFF; } return 0; } static int lio_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fec) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; if (oct->subsystem_id == OCTEON_CN2350_25GB_SUBSYS_ID || oct->subsystem_id == OCTEON_CN2360_25GB_SUBSYS_ID) { if (oct->no_speed_setting == 1) return -EOPNOTSUPP; if (fec->fec & ETHTOOL_FEC_OFF) liquidio_set_fec(lio, 0); else if (fec->fec & ETHTOOL_FEC_RS) liquidio_set_fec(lio, 1); else return -EOPNOTSUPP; } else { return -EOPNOTSUPP; } return 0; } #define LIO_ETHTOOL_COALESCE (ETHTOOL_COALESCE_RX_USECS | \ ETHTOOL_COALESCE_MAX_FRAMES | \ ETHTOOL_COALESCE_USE_ADAPTIVE | \ ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \ ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \ ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \ ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH | \ ETHTOOL_COALESCE_PKT_RATE_RX_USECS) static const struct ethtool_ops lio_ethtool_ops = { .supported_coalesce_params = LIO_ETHTOOL_COALESCE, .get_link_ksettings = lio_get_link_ksettings, .set_link_ksettings = lio_set_link_ksettings, .get_fecparam = lio_get_fecparam, .set_fecparam = lio_set_fecparam, .get_link = ethtool_op_get_link, .get_drvinfo = lio_get_drvinfo, .get_ringparam = lio_ethtool_get_ringparam, .set_ringparam = lio_ethtool_set_ringparam, .get_channels = lio_ethtool_get_channels, .set_channels = lio_ethtool_set_channels, .set_phys_id = lio_set_phys_id, .get_eeprom_len = lio_get_eeprom_len, .get_eeprom = lio_get_eeprom, .get_strings = lio_get_strings, .get_ethtool_stats = lio_get_ethtool_stats, .get_pauseparam = lio_get_pauseparam, .set_pauseparam = lio_set_pauseparam, .get_regs_len = lio_get_regs_len, .get_regs = lio_get_regs, .get_msglevel = lio_get_msglevel, .set_msglevel = lio_set_msglevel, .get_sset_count = lio_get_sset_count, .get_coalesce = lio_get_intr_coalesce, .set_coalesce = lio_set_intr_coalesce, .get_priv_flags = lio_get_priv_flags, .set_priv_flags = lio_set_priv_flags, #ifdef PTP_HARDWARE_TIMESTAMPING .get_ts_info = lio_get_ts_info, #endif }; static const struct ethtool_ops lio_vf_ethtool_ops = { .supported_coalesce_params = LIO_ETHTOOL_COALESCE, .get_link_ksettings = lio_get_link_ksettings, .get_link = ethtool_op_get_link, .get_drvinfo = lio_get_vf_drvinfo, .get_ringparam = lio_ethtool_get_ringparam, .set_ringparam = lio_ethtool_set_ringparam, .get_channels = lio_ethtool_get_channels, .set_channels = lio_ethtool_set_channels, .get_strings = lio_vf_get_strings, .get_ethtool_stats = lio_vf_get_ethtool_stats, .get_regs_len = lio_get_regs_len, .get_regs = lio_get_regs, .get_msglevel = lio_get_msglevel, .set_msglevel = lio_vf_set_msglevel, .get_sset_count = lio_vf_get_sset_count, .get_coalesce = lio_get_intr_coalesce, .set_coalesce = lio_set_intr_coalesce, .get_priv_flags = lio_get_priv_flags, .set_priv_flags = lio_set_priv_flags, #ifdef PTP_HARDWARE_TIMESTAMPING .get_ts_info = lio_get_ts_info, #endif }; void liquidio_set_ethtool_ops(struct net_device *netdev) { struct lio *lio = GET_LIO(netdev); struct octeon_device *oct = lio->oct_dev; if (OCTEON_CN23XX_VF(oct)) netdev->ethtool_ops = &lio_vf_ethtool_ops; else netdev->ethtool_ops = &lio_ethtool_ops; } EXPORT_SYMBOL_GPL(liquidio_set_ethtool_ops);
[0.34QuellennavigatorsProjekt 2026-06-07] |
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2026-06-11