#include "tsnep.h"
static const char tsnep_stats_strings[][ETH_GSTRING_LEN] = {
"rx_packets",
"rx_bytes",
"rx_dropped",
"rx_multicast",
"rx_alloc_failed",
"rx_phy_errors",
"rx_forwarded_phy_errors",
"rx_invalid_frame_errors",
"tx_packets",
"tx_bytes",
"tx_dropped",
};
struct tsnep_stats {
u64 rx_packets;
u64 rx_bytes;
u64 rx_dropped;
u64 rx_multicast;
u64 rx_alloc_failed;
u64 rx_phy_errors;
u64 rx_forwarded_phy_errors;
u64 rx_invalid_frame_errors;
u64 tx_packets;
u64 tx_bytes;
u64 tx_dropped;
};
#define TSNEP_STATS_COUNT (sizeof(struct tsnep_stats) / sizeof(u64))
static const char tsnep_rx_queue_stats_strings[][ETH_GSTRING_LEN] = {
"rx_%d_packets",
"rx_%d_bytes",
"rx_%d_dropped",
"rx_%d_multicast",
"rx_%d_alloc_failed",
"rx_%d_no_descriptor_errors",
"rx_%d_buffer_too_small_errors",
"rx_%d_fifo_overflow_errors",
"rx_%d_invalid_frame_errors",
};
struct tsnep_rx_queue_stats {
u64 rx_packets;
u64 rx_bytes;
u64 rx_dropped;
u64 rx_multicast;
u64 rx_alloc_failed;
u64 rx_no_descriptor_errors;
u64 rx_buffer_too_small_errors;
u64 rx_fifo_overflow_errors;
u64 rx_invalid_frame_errors;
};
#define TSNEP_RX_QUEUE_STATS_COUNT (sizeof(struct tsnep_rx_queue_stats) / \
sizeof(u64))
static const char tsnep_tx_queue_stats_strings[][ETH_GSTRING_LEN] = {
"tx_%d_packets",
"tx_%d_bytes",
"tx_%d_dropped",
};
struct tsnep_tx_queue_stats {
u64 tx_packets;
u64 tx_bytes;
u64 tx_dropped;
};
#define TSNEP_TX_QUEUE_STATS_COUNT (sizeof(struct tsnep_tx_queue_stats) / \
sizeof(u64))
static void tsnep_ethtool_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
strscpy(drvinfo->driver, TSNEP, sizeof(drvinfo->driver));
strscpy(drvinfo->bus_info, dev_name(&adapter->pdev->dev),
sizeof(drvinfo->bus_info));
}
static int tsnep_ethtool_get_regs_len(struct net_device *netdev)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
int len;
int num_additional_queues;
len = TSNEP_MAC_SIZE;
num_additional_queues =
max(adapter->num_tx_queues, adapter->num_rx_queues) - 1;
len += TSNEP_QUEUE_SIZE * num_additional_queues;
return len;
}
static void tsnep_ethtool_get_regs(struct net_device *netdev,
struct ethtool_regs *regs,
void *p)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
regs->version = 1;
memcpy_fromio(p, adapter->addr, regs->len);
}
static u32 tsnep_ethtool_get_msglevel(struct net_device *netdev)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
return adapter->msg_enable;
}
static void tsnep_ethtool_set_msglevel(struct net_device *netdev, u32 data)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
adapter->msg_enable = data;
}
static void tsnep_ethtool_get_strings(struct net_device *netdev, u32 stringset,
u8 *data)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
int rx_count = adapter->num_rx_queues;
int tx_count = adapter->num_tx_queues;
int i, j;
switch (stringset) {
case ETH_SS_STATS:
memcpy(data, tsnep_stats_strings, sizeof(tsnep_stats_strings));
data += sizeof(tsnep_stats_strings);
for (i = 0; i < rx_count; i++) {
for (j = 0; j < TSNEP_RX_QUEUE_STATS_COUNT; j++) {
snprintf(data, ETH_GSTRING_LEN,
tsnep_rx_queue_stats_strings[j], i);
data += ETH_GSTRING_LEN;
}
}
for (i = 0; i < tx_count; i++) {
for (j = 0; j < TSNEP_TX_QUEUE_STATS_COUNT; j++) {
snprintf(data, ETH_GSTRING_LEN,
tsnep_tx_queue_stats_strings[j], i);
data += ETH_GSTRING_LEN;
}
}
break;
case ETH_SS_TEST:
tsnep_ethtool_get_test_strings(data);
break;
}
}
static void tsnep_ethtool_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats,
u64 *data)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
int rx_count = adapter->num_rx_queues;
int tx_count = adapter->num_tx_queues;
struct tsnep_stats tsnep_stats;
struct tsnep_rx_queue_stats tsnep_rx_queue_stats;
struct tsnep_tx_queue_stats tsnep_tx_queue_stats;
u32 reg;
int i;
memset(&tsnep_stats, 0, sizeof(tsnep_stats));
for (i = 0; i < adapter->num_rx_queues; i++) {
tsnep_stats.rx_packets += adapter->rx[i].packets;
tsnep_stats.rx_bytes += adapter->rx[i].bytes;
tsnep_stats.rx_dropped += adapter->rx[i].dropped;
tsnep_stats.rx_multicast += adapter->rx[i].multicast;
tsnep_stats.rx_alloc_failed += adapter->rx[i].alloc_failed;
}
reg = ioread32(adapter->addr + ECM_STAT);
tsnep_stats.rx_phy_errors =
(reg & ECM_STAT_RX_ERR_MASK) >> ECM_STAT_RX_ERR_SHIFT;
tsnep_stats.rx_forwarded_phy_errors =
(reg & ECM_STAT_FWD_RX_ERR_MASK) >> ECM_STAT_FWD_RX_ERR_SHIFT;
tsnep_stats.rx_invalid_frame_errors =
(reg & ECM_STAT_INV_FRM_MASK) >> ECM_STAT_INV_FRM_SHIFT;
for (i = 0; i < adapter->num_tx_queues; i++) {
tsnep_stats.tx_packets += adapter->tx[i].packets;
tsnep_stats.tx_bytes += adapter->tx[i].bytes;
tsnep_stats.tx_dropped += adapter->tx[i].dropped;
}
memcpy(data, &tsnep_stats, sizeof(tsnep_stats));
data += TSNEP_STATS_COUNT;
for (i = 0; i < rx_count; i++) {
memset(&tsnep_rx_queue_stats, 0, sizeof(tsnep_rx_queue_stats));
tsnep_rx_queue_stats.rx_packets = adapter->rx[i].packets;
tsnep_rx_queue_stats.rx_bytes = adapter->rx[i].bytes;
tsnep_rx_queue_stats.rx_dropped = adapter->rx[i].dropped;
tsnep_rx_queue_stats.rx_multicast = adapter->rx[i].multicast;
tsnep_rx_queue_stats.rx_alloc_failed =
adapter->rx[i].alloc_failed;
reg = ioread32(adapter->addr + TSNEP_QUEUE(i) +
TSNEP_RX_STATISTIC);
tsnep_rx_queue_stats.rx_no_descriptor_errors =
(reg & TSNEP_RX_STATISTIC_NO_DESC_MASK) >>
TSNEP_RX_STATISTIC_NO_DESC_SHIFT;
tsnep_rx_queue_stats.rx_buffer_too_small_errors =
(reg & TSNEP_RX_STATISTIC_BUFFER_TOO_SMALL_MASK) >>
TSNEP_RX_STATISTIC_BUFFER_TOO_SMALL_SHIFT;
tsnep_rx_queue_stats.rx_fifo_overflow_errors =
(reg & TSNEP_RX_STATISTIC_FIFO_OVERFLOW_MASK) >>
TSNEP_RX_STATISTIC_FIFO_OVERFLOW_SHIFT;
tsnep_rx_queue_stats.rx_invalid_frame_errors =
(reg & TSNEP_RX_STATISTIC_INVALID_FRAME_MASK) >>
TSNEP_RX_STATISTIC_INVALID_FRAME_SHIFT;
memcpy(data, &tsnep_rx_queue_stats,
sizeof(tsnep_rx_queue_stats));
data += TSNEP_RX_QUEUE_STATS_COUNT;
}
for (i = 0; i < tx_count; i++) {
memset(&tsnep_tx_queue_stats, 0, sizeof(tsnep_tx_queue_stats));
tsnep_tx_queue_stats.tx_packets += adapter->tx[i].packets;
tsnep_tx_queue_stats.tx_bytes += adapter->tx[i].bytes;
tsnep_tx_queue_stats.tx_dropped += adapter->tx[i].dropped;
memcpy(data, &tsnep_tx_queue_stats,
sizeof(tsnep_tx_queue_stats));
data += TSNEP_TX_QUEUE_STATS_COUNT;
}
}
static int tsnep_ethtool_get_sset_count(struct net_device *netdev, int sset)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
int rx_count;
int tx_count;
switch (sset) {
case ETH_SS_STATS:
rx_count = adapter->num_rx_queues;
tx_count = adapter->num_tx_queues;
return TSNEP_STATS_COUNT +
TSNEP_RX_QUEUE_STATS_COUNT * rx_count +
TSNEP_TX_QUEUE_STATS_COUNT * tx_count;
case ETH_SS_TEST:
return tsnep_ethtool_get_test_count();
default:
return -EOPNOTSUPP;
}
}
static u32 tsnep_ethtool_get_rx_ring_count(struct net_device *netdev)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
return adapter->num_rx_queues;
}
static int tsnep_ethtool_get_rxnfc(struct net_device *netdev,
struct ethtool_rxnfc *cmd, u32 *rule_locs)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
switch (cmd->cmd) {
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = adapter->rxnfc_count;
cmd->data = adapter->rxnfc_max;
cmd->data |= RX_CLS_LOC_SPECIAL;
return 0;
case ETHTOOL_GRXCLSRULE:
return tsnep_rxnfc_get_rule(adapter, cmd);
case ETHTOOL_GRXCLSRLALL:
return tsnep_rxnfc_get_all(adapter, cmd, rule_locs);
default:
return -EOPNOTSUPP;
}
}
static int tsnep_ethtool_set_rxnfc(struct net_device *netdev,
struct ethtool_rxnfc *cmd)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
switch (cmd->cmd) {
case ETHTOOL_SRXCLSRLINS:
return tsnep_rxnfc_add_rule(adapter, cmd);
case ETHTOOL_SRXCLSRLDEL:
return tsnep_rxnfc_del_rule(adapter, cmd);
default:
return -EOPNOTSUPP;
}
}
static void tsnep_ethtool_get_channels(struct net_device *netdev,
struct ethtool_channels *ch)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
ch->max_combined = adapter->num_queues;
ch->combined_count = adapter->num_queues;
}
static int tsnep_ethtool_get_ts_info(struct net_device *netdev,
struct kernel_ethtool_ts_info *info)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
if (adapter->ptp_clock)
info->phc_index = ptp_clock_index(adapter->ptp_clock);
info->tx_types = BIT(HWTSTAMP_TX_OFF) |
BIT(HWTSTAMP_TX_ON);
info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
BIT(HWTSTAMP_FILTER_ALL);
return 0;
}
static struct tsnep_queue *tsnep_get_queue_with_tx(struct tsnep_adapter *adapter,
int index)
{
int i;
for (i = 0; i < adapter->num_queues; i++) {
if (adapter->queue[i].tx) {
if (index == 0)
return &adapter->queue[i];
index--;
}
}
return NULL;
}
static struct tsnep_queue *tsnep_get_queue_with_rx(struct tsnep_adapter *adapter,
int index)
{
int i;
for (i = 0; i < adapter->num_queues; i++) {
if (adapter->queue[i].rx) {
if (index == 0)
return &adapter->queue[i];
index--;
}
}
return NULL;
}
static int tsnep_ethtool_get_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
struct tsnep_queue *queue;
queue = tsnep_get_queue_with_rx(adapter, 0);
if (queue)
ec->rx_coalesce_usecs = tsnep_get_irq_coalesce(queue);
queue = tsnep_get_queue_with_tx(adapter, 0);
if (queue)
ec->tx_coalesce_usecs = tsnep_get_irq_coalesce(queue);
return 0;
}
static int tsnep_ethtool_set_coalesce(struct net_device *netdev,
struct ethtool_coalesce *ec,
struct kernel_ethtool_coalesce *kernel_coal,
struct netlink_ext_ack *extack)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
int i;
int retval;
for (i = 0; i < adapter->num_queues; i++) {
if (adapter->queue[i].rx)
retval = tsnep_set_irq_coalesce(&adapter->queue[i],
ec->rx_coalesce_usecs);
else
retval = tsnep_set_irq_coalesce(&adapter->queue[i],
ec->tx_coalesce_usecs);
if (retval != 0)
return retval;
}
return 0;
}
static int tsnep_ethtool_get_per_queue_coalesce(struct net_device *netdev,
u32 queue,
struct ethtool_coalesce *ec)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
struct tsnep_queue *queue_with_rx;
struct tsnep_queue *queue_with_tx;
if (queue >= max(adapter->num_tx_queues, adapter->num_rx_queues))
return -EINVAL;
queue_with_rx = tsnep_get_queue_with_rx(adapter, queue);
if (queue_with_rx)
ec->rx_coalesce_usecs = tsnep_get_irq_coalesce(queue_with_rx);
queue_with_tx = tsnep_get_queue_with_tx(adapter, queue);
if (queue_with_tx)
ec->tx_coalesce_usecs = tsnep_get_irq_coalesce(queue_with_tx);
return 0;
}
static int tsnep_ethtool_set_per_queue_coalesce(struct net_device *netdev,
u32 queue,
struct ethtool_coalesce *ec)
{
struct tsnep_adapter *adapter = netdev_priv(netdev);
struct tsnep_queue *queue_with_rx;
struct tsnep_queue *queue_with_tx;
int retval;
if (queue >= max(adapter->num_tx_queues, adapter->num_rx_queues))
return -EINVAL;
queue_with_rx = tsnep_get_queue_with_rx(adapter, queue);
if (queue_with_rx) {
retval = tsnep_set_irq_coalesce(queue_with_rx, ec->rx_coalesce_usecs);
if (retval != 0)
return retval;
}
queue_with_tx = tsnep_get_queue_with_tx(adapter, queue);
if (queue_with_tx && !queue_with_tx->rx) {
retval = tsnep_set_irq_coalesce(queue_with_tx, ec->tx_coalesce_usecs);
if (retval != 0)
return retval;
}
return 0;
}
const struct ethtool_ops tsnep_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
.get_drvinfo = tsnep_ethtool_get_drvinfo,
.get_regs_len = tsnep_ethtool_get_regs_len,
.get_regs = tsnep_ethtool_get_regs,
.get_msglevel = tsnep_ethtool_get_msglevel,
.set_msglevel = tsnep_ethtool_set_msglevel,
.nway_reset = phy_ethtool_nway_reset,
.get_link = ethtool_op_get_link,
.self_test = tsnep_ethtool_self_test,
.get_strings = tsnep_ethtool_get_strings,
.get_ethtool_stats = tsnep_ethtool_get_ethtool_stats,
.get_sset_count = tsnep_ethtool_get_sset_count,
.get_rxnfc = tsnep_ethtool_get_rxnfc,
.set_rxnfc = tsnep_ethtool_set_rxnfc,
.get_rx_ring_count = tsnep_ethtool_get_rx_ring_count,
.get_channels = tsnep_ethtool_get_channels,
.get_ts_info = tsnep_ethtool_get_ts_info,
.get_coalesce = tsnep_ethtool_get_coalesce,
.set_coalesce = tsnep_ethtool_set_coalesce,
.get_per_queue_coalesce = tsnep_ethtool_get_per_queue_coalesce,
.set_per_queue_coalesce = tsnep_ethtool_set_per_queue_coalesce,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
};
