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path: root/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_ethtool.c')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_ethtool.c3182
1 files changed, 3182 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
new file mode 100644
index 000000000..2c10ae3f7
--- /dev/null
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -0,0 +1,3182 @@
+/**********************************************************************
+ * 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));
+ strcpy(drvinfo->driver, "liquidio");
+ strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
+ ETHTOOL_FWVERS_LEN);
+ strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
+}
+
+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));
+ strcpy(drvinfo->driver, "liquidio_vf");
+ strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
+ ETHTOOL_FWVERS_LEN);
+ strncpy(drvinfo->bus_info, pci_name(oct->pci_dev), 32);
+}
+
+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;
+}
+
+static int lio_get_ts_info(struct net_device *netdev,
+ struct ethtool_ts_info *info)
+{
+ struct lio *lio = GET_LIO(netdev);
+
+ info->so_timestamping =
+#ifdef PTP_HARDWARE_TIMESTAMPING
+ SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE |
+ SOF_TIMESTAMPING_TX_SOFTWARE |
+#endif
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
+
+ if (lio->ptp_clock)
+ info->phc_index = ptp_clock_index(lio->ptp_clock);
+ else
+ info->phc_index = -1;
+
+#ifdef PTP_HARDWARE_TIMESTAMPING
+ 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);
+#endif
+
+ return 0;
+}
+
+/* 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,
+ .get_ts_info = lio_get_ts_info,
+};
+
+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,
+ .get_ts_info = lio_get_ts_info,
+};
+
+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;
+}