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ubuntu-linux-kernel/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c

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2024-04-01 15:06:58 +00:00
/**********************************************************************
* 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/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);
static int octnet_get_link_stats(struct net_device *netdev);
struct oct_intrmod_context {
int octeon_id;
wait_queue_head_t wc;
int cond;
int status;
};
struct oct_intrmod_resp {
u64 rh;
struct oct_intrmod_cfg intrmod;
u64 status;
};
struct oct_mdio_cmd_context {
int octeon_id;
wait_queue_head_t wc;
int cond;
};
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", /*jabber_err+l2_err+frame_err */
"tx_errors", /*fw_err_pko+fw_err_link+fw_err_drop */
"rx_dropped", /*st->fromwire.total_rcvd - st->fromwire.fw_total_rcvd +
*st->fromwire.dmac_drop + st->fromwire.fw_err_drop
*/
"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",
"mac_tx_total_pkts",
"mac_tx_total_bytes",
"mac_tx_mcast_pkts",
"mac_tx_bcast_pkts",
"mac_tx_ctl_packets", /*oct->link_stats.fromhost.ctl_sent */
"mac_tx_total_collisions",
"mac_tx_one_collision",
"mac_tx_multi_collison",
"mac_tx_max_collision_fail",
"mac_tx_max_deferal_fail",
"mac_tx_fifo_err",
"mac_tx_runts",
"rx_total_rcvd",
"rx_total_fwd",
"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", /* jabber_err + l2_err+frame_err */
"tx_errors", /* fw_err_pko + fw_err_link+fw_err_drop */
"rx_dropped", /* total_rcvd - fw_total_rcvd + dmac_drop + fw_err_drop */
"tx_dropped",
"link_state_changes",
};
/* statistics of host tx queue */
static const char oct_iq_stats_strings[][ETH_GSTRING_LEN] = {
"packets", /*oct->instr_queue[iq_no]->stats.tx_done*/
"bytes", /*oct->instr_queue[iq_no]->stats.tx_tot_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", /*oct->droq[oq_no]->stats.rx_pkts_received */
"bytes", /*oct->droq[oq_no]->stats.rx_bytes_received */
"dropped", /*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
*/
"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;
u32 supported = 0, advertising = 0;
linfo = &lio->linfo;
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) {
ecmd->base.port = PORT_FIBRE;
if (linfo->link.s.speed == SPEED_10000) {
supported = SUPPORTED_10000baseT_Full;
advertising = ADVERTISED_10000baseT_Full;
}
supported |= SUPPORTED_FIBRE | SUPPORTED_Pause;
advertising |= ADVERTISED_Pause;
ethtool_convert_legacy_u32_to_link_mode(
ecmd->link_modes.supported, supported);
ethtool_convert_legacy_u32_to_link_mode(
ecmd->link_modes.advertising, advertising);
ecmd->base.autoneg = AUTONEG_DISABLE;
} else {
dev_err(&oct->pci_dev->dev, "Unknown link interface reported %d\n",
linfo->link.s.if_mode);
}
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 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");
strcpy(drvinfo->version, LIQUIDIO_VERSION);
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");
strcpy(drvinfo->version, LIQUIDIO_VERSION);
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.wait_time = 100;
nctrl.netpndev = (u64)netdev;
nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
if (ret < 0) {
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)) {
max_combined = lio->linfo.num_txpciq;
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_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)) {
max_combined = channel->max_combined;
} 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;
lio_irq_reallocate_irqs(oct, combined_count);
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.wait_time = 100;
nctrl.netpndev = (u64)netdev;
nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
if (ret < 0) {
dev_err(&oct->pci_dev->dev, "Failed to configure gpio value\n");
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.wait_time = 100;
nctrl.netpndev = (u64)netdev;
nctrl.cb_fn = liquidio_link_ctrl_cmd_completion;
ret = octnet_send_nic_ctrl_pkt(lio->oct_dev, &nctrl);
if (ret < 0) {
dev_err(&oct->pci_dev->dev, "Failed to configure gpio value\n");
return -EINVAL;
}
return 0;
}
/* Callback for when mdio command response arrives
*/
static void octnet_mdio_resp_callback(struct octeon_device *oct,
u32 status,
void *buf)
{
struct oct_mdio_cmd_context *mdio_cmd_ctx;
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
oct = lio_get_device(mdio_cmd_ctx->octeon_id);
if (status) {
dev_err(&oct->pci_dev->dev, "MIDO instruction failed. Status: %llx\n",
CVM_CAST64(status));
WRITE_ONCE(mdio_cmd_ctx->cond, -1);
} else {
WRITE_ONCE(mdio_cmd_ctx->cond, 1);
}
wake_up_interruptible(&mdio_cmd_ctx->wc);
}
/* 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_context *mdio_cmd_ctx;
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),
sizeof(struct oct_mdio_cmd_context));
if (!sc)
return -ENOMEM;
mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr;
WRITE_ONCE(mdio_cmd_ctx->cond, 0);
mdio_cmd_ctx->octeon_id = lio_get_device_id(oct_dev);
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);
sc->wait_time = 1000;
sc->callback = octnet_mdio_resp_callback;
sc->callback_arg = sc;
init_waitqueue_head(&mdio_cmd_ctx->wc);
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);
retval = -EBUSY;
} else {
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived
*/
sleep_cond(&mdio_cmd_ctx->wc, &mdio_cmd_ctx->cond);
retval = mdio_cmd_rsp->status;
if (retval) {
dev_err(&oct_dev->pci_dev->dev, "octnet mdio45 access failed\n");
retval = -EBUSY;
} else {
octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
sizeof(struct oct_mdio_cmd) / 8);
if (READ_ONCE(mdio_cmd_ctx->cond) == 1) {
if (!op)
*value = mdio_cmd_rsp->resp.value1;
} else {
retval = -EINVAL;
}
}
}
octeon_free_soft_command(oct_dev, sc);
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;
int value, ret;
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);
/* returns 0 since updates are asynchronous */
return 0;
} else {
return -EINVAL;
}
break;
case ETHTOOL_ID_ON:
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_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 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_reset_queues(struct net_device *netdev, uint32_t num_qs)
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
struct napi_struct *napi, *n;
int i, update = 0;
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) {
netif_set_real_num_rx_queues(netdev, num_qs);
netif_set_real_num_tx_queues(netdev, num_qs);
update = 1;
}
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 (oct->fn_list.setup_device_regs(oct)) {
dev_err(&oct->pci_dev->dev, "Failed to configure device registers\n");
return -1;
}
if (liquidio_setup_io_queues(oct, 0, num_qs, num_qs)) {
dev_err(&oct->pci_dev->dev, "IO queues initialization failed\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");
return -1;
}
if (update && 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)
{
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, lio->linfo.num_txpciq))
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.wait_time = 100;
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 < 0) {
dev_err(&oct->pci_dev->dev, "Failed to set pause parameter\n");
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 net_device_stats *netstats = &netdev->stats;
int i = 0, j;
if (ifstate_check(lio, LIO_IFSTATE_RESETTING))
return;
netdev->netdev_ops->ndo_get_stats(netdev);
octnet_get_link_stats(netdev);
/*sum of oct->droq[oq_no]->stats->rx_pkts_received */
data[i++] = CVM_CAST64(netstats->rx_packets);
/*sum of oct->instr_queue[iq_no]->stats.tx_done */
data[i++] = CVM_CAST64(netstats->tx_packets);
/*sum of oct->droq[oq_no]->stats->rx_bytes_received */
data[i++] = CVM_CAST64(netstats->rx_bytes);
/*sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
data[i++] = CVM_CAST64(netstats->tx_bytes);
data[i++] = CVM_CAST64(netstats->rx_errors);
data[i++] = CVM_CAST64(netstats->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++] = CVM_CAST64(netstats->rx_dropped);
/*sum of oct->instr_queue[iq_no]->stats.tx_dropped */
data[i++] = CVM_CAST64(netstats->tx_dropped);
/* 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);
/* 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);
/*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 net_device_stats *netstats = &netdev->stats;
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_stats(netdev);
/* sum of oct->droq[oq_no]->stats->rx_pkts_received */
data[i++] = CVM_CAST64(netstats->rx_packets);
/* sum of oct->instr_queue[iq_no]->stats.tx_done */
data[i++] = CVM_CAST64(netstats->tx_packets);
/* sum of oct->droq[oq_no]->stats->rx_bytes_received */
data[i++] = CVM_CAST64(netstats->rx_bytes);
/* sum of oct->instr_queue[iq_no]->stats.tx_tot_bytes */
data[i++] = CVM_CAST64(netstats->tx_bytes);
data[i++] = CVM_CAST64(netstats->rx_errors);
data[i++] = CVM_CAST64(netstats->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++] = CVM_CAST64(netstats->rx_dropped);
/* sum of oct->instr_queue[iq_no]->stats.tx_dropped */
data[i++] = CVM_CAST64(netstats->tx_dropped);
/* 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;
}
}
/* Callback function for intrmod */
static void octnet_intrmod_callback(struct octeon_device *oct_dev,
u32 status,
void *ptr)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr;
struct oct_intrmod_context *ctx;
ctx = (struct oct_intrmod_context *)sc->ctxptr;
ctx->status = status;
WRITE_ONCE(ctx->cond, 1);
/* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
wake_up_interruptible(&ctx->wc);
}
/* 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_context *ctx;
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),
sizeof(struct oct_intrmod_context));
if (!sc)
return -ENOMEM;
resp = (struct oct_intrmod_resp *)sc->virtrptr;
memset(resp, 0, sizeof(struct oct_intrmod_resp));
ctx = (struct oct_intrmod_context *)sc->ctxptr;
memset(ctx, 0, sizeof(struct oct_intrmod_context));
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct_dev);
init_waitqueue_head(&ctx->wc);
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);
sc->callback = octnet_intrmod_callback;
sc->callback_arg = sc;
sc->wait_time = 1000;
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.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
dev_err(&oct_dev->pci_dev->dev, "Wait interrupted\n");
goto intrmod_info_wait_intr;
}
retval = ctx->status || resp->status;
if (retval) {
dev_err(&oct_dev->pci_dev->dev,
"Get interrupt moderation parameters failed\n");
goto intrmod_info_wait_fail;
}
octeon_swap_8B_data((u64 *)&resp->intrmod,
(sizeof(struct oct_intrmod_cfg)) / 8);
memcpy(intr_cfg, &resp->intrmod, sizeof(struct oct_intrmod_cfg));
octeon_free_soft_command(oct_dev, sc);
return 0;
intrmod_info_wait_fail:
octeon_free_soft_command(oct_dev, sc);
intrmod_info_wait_intr:
return -ENODEV;
}
/* 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_context *ctx;
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),
0,
sizeof(struct oct_intrmod_context));
if (!sc)
return -ENOMEM;
ctx = (struct oct_intrmod_context *)sc->ctxptr;
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct_dev);
init_waitqueue_head(&ctx->wc);
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);
sc->callback = octnet_intrmod_callback;
sc->callback_arg = sc;
sc->wait_time = 1000;
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.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) != -EINTR) {
retval = ctx->status;
if (retval)
dev_err(&oct_dev->pci_dev->dev,
"intrmod config failed. Status: %llx\n",
CVM_CAST64(retval));
else
dev_info(&oct_dev->pci_dev->dev,
"Rx-Adaptive Interrupt moderation %s\n",
(intr_cfg->rx_enable) ?
"enabled" : "disabled");
octeon_free_soft_command(oct_dev, sc);
return ((retval) ? -ENODEV : 0);
}
dev_err(&oct_dev->pci_dev->dev, "iq/oq config failed\n");
return -EINTR;
}
static void
octnet_nic_stats_callback(struct octeon_device *oct_dev,
u32 status, void *ptr)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr;
struct oct_nic_stats_resp *resp =
(struct oct_nic_stats_resp *)sc->virtrptr;
struct oct_nic_stats_ctrl *ctrl =
(struct oct_nic_stats_ctrl *)sc->ctxptr;
struct nic_rx_stats *rsp_rstats = &resp->stats.fromwire;
struct nic_tx_stats *rsp_tstats = &resp->stats.fromhost;
struct nic_rx_stats *rstats = &oct_dev->link_stats.fromwire;
struct nic_tx_stats *tstats = &oct_dev->link_stats.fromhost;
if ((status != OCTEON_REQUEST_TIMEOUT) && !resp->status) {
octeon_swap_8B_data((u64 *)&resp->stats,
(sizeof(struct oct_link_stats)) >> 3);
/* RX link-level stats */
rstats->total_rcvd = rsp_rstats->total_rcvd;
rstats->bytes_rcvd = rsp_rstats->bytes_rcvd;
rstats->total_bcst = rsp_rstats->total_bcst;
rstats->total_mcst = rsp_rstats->total_mcst;
rstats->runts = rsp_rstats->runts;
rstats->ctl_rcvd = rsp_rstats->ctl_rcvd;
/* Accounts for over/under-run of buffers */
rstats->fifo_err = rsp_rstats->fifo_err;
rstats->dmac_drop = rsp_rstats->dmac_drop;
rstats->fcs_err = rsp_rstats->fcs_err;
rstats->jabber_err = rsp_rstats->jabber_err;
rstats->l2_err = rsp_rstats->l2_err;
rstats->frame_err = rsp_rstats->frame_err;
/* RX firmware stats */
rstats->fw_total_rcvd = rsp_rstats->fw_total_rcvd;
rstats->fw_total_fwd = rsp_rstats->fw_total_fwd;
rstats->fw_err_pko = rsp_rstats->fw_err_pko;
rstats->fw_err_link = rsp_rstats->fw_err_link;
rstats->fw_err_drop = rsp_rstats->fw_err_drop;
rstats->fw_rx_vxlan = rsp_rstats->fw_rx_vxlan;
rstats->fw_rx_vxlan_err = rsp_rstats->fw_rx_vxlan_err;
/* Number of packets that are LROed */
rstats->fw_lro_pkts = rsp_rstats->fw_lro_pkts;
/* Number of octets that are LROed */
rstats->fw_lro_octs = rsp_rstats->fw_lro_octs;
/* Number of LRO packets formed */
rstats->fw_total_lro = rsp_rstats->fw_total_lro;
/* Number of times lRO of packet aborted */
rstats->fw_lro_aborts = rsp_rstats->fw_lro_aborts;
rstats->fw_lro_aborts_port = rsp_rstats->fw_lro_aborts_port;
rstats->fw_lro_aborts_seq = rsp_rstats->fw_lro_aborts_seq;
rstats->fw_lro_aborts_tsval = rsp_rstats->fw_lro_aborts_tsval;
rstats->fw_lro_aborts_timer = rsp_rstats->fw_lro_aborts_timer;
/* intrmod: packet forward rate */
rstats->fwd_rate = rsp_rstats->fwd_rate;
/* TX link-level stats */
tstats->total_pkts_sent = rsp_tstats->total_pkts_sent;
tstats->total_bytes_sent = rsp_tstats->total_bytes_sent;
tstats->mcast_pkts_sent = rsp_tstats->mcast_pkts_sent;
tstats->bcast_pkts_sent = rsp_tstats->bcast_pkts_sent;
tstats->ctl_sent = rsp_tstats->ctl_sent;
/* Packets sent after one collision*/
tstats->one_collision_sent = rsp_tstats->one_collision_sent;
/* Packets sent after multiple collision*/
tstats->multi_collision_sent = rsp_tstats->multi_collision_sent;
/* Packets not sent due to max collisions */
tstats->max_collision_fail = rsp_tstats->max_collision_fail;
/* Packets not sent due to max deferrals */
tstats->max_deferral_fail = rsp_tstats->max_deferral_fail;
/* Accounts for over/under-run of buffers */
tstats->fifo_err = rsp_tstats->fifo_err;
tstats->runts = rsp_tstats->runts;
/* Total number of collisions detected */
tstats->total_collisions = rsp_tstats->total_collisions;
/* firmware stats */
tstats->fw_total_sent = rsp_tstats->fw_total_sent;
tstats->fw_total_fwd = rsp_tstats->fw_total_fwd;
tstats->fw_err_pko = rsp_tstats->fw_err_pko;
tstats->fw_err_pki = rsp_tstats->fw_err_pki;
tstats->fw_err_link = rsp_tstats->fw_err_link;
tstats->fw_err_drop = rsp_tstats->fw_err_drop;
tstats->fw_tso = rsp_tstats->fw_tso;
tstats->fw_tso_fwd = rsp_tstats->fw_tso_fwd;
tstats->fw_err_tso = rsp_tstats->fw_err_tso;
tstats->fw_tx_vxlan = rsp_tstats->fw_tx_vxlan;
resp->status = 1;
} else {
resp->status = -1;
}
complete(&ctrl->complete);
}
/* Configure interrupt moderation parameters */
static int octnet_get_link_stats(struct net_device *netdev)
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct_dev = lio->oct_dev;
struct octeon_soft_command *sc;
struct oct_nic_stats_ctrl *ctrl;
struct oct_nic_stats_resp *resp;
int retval;
/* Alloc soft command */
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct_dev,
0,
sizeof(struct oct_nic_stats_resp),
sizeof(struct octnic_ctrl_pkt));
if (!sc)
return -ENOMEM;
resp = (struct oct_nic_stats_resp *)sc->virtrptr;
memset(resp, 0, sizeof(struct oct_nic_stats_resp));
ctrl = (struct oct_nic_stats_ctrl *)sc->ctxptr;
memset(ctrl, 0, sizeof(struct oct_nic_stats_ctrl));
ctrl->netdev = netdev;
init_completion(&ctrl->complete);
sc->iq_no = lio->linfo.txpciq[0].s.q_no;
octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
OPCODE_NIC_PORT_STATS, 0, 0, 0);
sc->callback = octnet_nic_stats_callback;
sc->callback_arg = sc;
sc->wait_time = 500; /*in milli seconds*/
retval = octeon_send_soft_command(oct_dev, sc);
if (retval == IQ_SEND_FAILED) {
octeon_free_soft_command(oct_dev, sc);
return -EINVAL;
}
wait_for_completion_timeout(&ctrl->complete, msecs_to_jiffies(1000));
if (resp->status != 1) {
octeon_free_soft_command(oct_dev, sc);
return -EINVAL;
}
octeon_free_soft_command(oct_dev, sc);
return 0;
}
static int lio_get_intr_coalesce(struct net_device *netdev,
struct ethtool_coalesce *intr_coal)
{
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 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 const struct ethtool_ops lio_ethtool_ops = {
.get_link_ksettings = lio_get_link_ksettings,
.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 = {
.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;
}