487 lines
13 KiB
C
487 lines
13 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2021 Gerhard Engleder <gerhard@engleder-embedded.com> */
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#include "tsnep.h"
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static const char tsnep_stats_strings[][ETH_GSTRING_LEN] = {
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"rx_packets",
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"rx_bytes",
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"rx_dropped",
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"rx_multicast",
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"rx_alloc_failed",
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"rx_phy_errors",
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"rx_forwarded_phy_errors",
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"rx_invalid_frame_errors",
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"tx_packets",
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"tx_bytes",
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"tx_dropped",
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};
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struct tsnep_stats {
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u64 rx_packets;
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u64 rx_bytes;
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u64 rx_dropped;
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u64 rx_multicast;
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u64 rx_alloc_failed;
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u64 rx_phy_errors;
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u64 rx_forwarded_phy_errors;
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u64 rx_invalid_frame_errors;
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u64 tx_packets;
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u64 tx_bytes;
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u64 tx_dropped;
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};
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#define TSNEP_STATS_COUNT (sizeof(struct tsnep_stats) / sizeof(u64))
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static const char tsnep_rx_queue_stats_strings[][ETH_GSTRING_LEN] = {
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"rx_%d_packets",
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"rx_%d_bytes",
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"rx_%d_dropped",
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"rx_%d_multicast",
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"rx_%d_alloc_failed",
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"rx_%d_no_descriptor_errors",
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"rx_%d_buffer_too_small_errors",
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"rx_%d_fifo_overflow_errors",
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"rx_%d_invalid_frame_errors",
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};
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struct tsnep_rx_queue_stats {
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u64 rx_packets;
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u64 rx_bytes;
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u64 rx_dropped;
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u64 rx_multicast;
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u64 rx_alloc_failed;
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u64 rx_no_descriptor_errors;
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u64 rx_buffer_too_small_errors;
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u64 rx_fifo_overflow_errors;
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u64 rx_invalid_frame_errors;
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};
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#define TSNEP_RX_QUEUE_STATS_COUNT (sizeof(struct tsnep_rx_queue_stats) / \
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sizeof(u64))
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static const char tsnep_tx_queue_stats_strings[][ETH_GSTRING_LEN] = {
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"tx_%d_packets",
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"tx_%d_bytes",
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"tx_%d_dropped",
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};
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struct tsnep_tx_queue_stats {
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u64 tx_packets;
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u64 tx_bytes;
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u64 tx_dropped;
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};
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#define TSNEP_TX_QUEUE_STATS_COUNT (sizeof(struct tsnep_tx_queue_stats) / \
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sizeof(u64))
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static void tsnep_ethtool_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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strscpy(drvinfo->driver, TSNEP, sizeof(drvinfo->driver));
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strscpy(drvinfo->bus_info, dev_name(&adapter->pdev->dev),
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sizeof(drvinfo->bus_info));
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}
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static int tsnep_ethtool_get_regs_len(struct net_device *netdev)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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int len;
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int num_additional_queues;
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len = TSNEP_MAC_SIZE;
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/* first queue pair is within TSNEP_MAC_SIZE, only queues additional to
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* the first queue pair extend the register length by TSNEP_QUEUE_SIZE
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*/
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num_additional_queues =
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max(adapter->num_tx_queues, adapter->num_rx_queues) - 1;
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len += TSNEP_QUEUE_SIZE * num_additional_queues;
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return len;
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}
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static void tsnep_ethtool_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs,
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void *p)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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regs->version = 1;
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memcpy_fromio(p, adapter->addr, regs->len);
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}
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static u32 tsnep_ethtool_get_msglevel(struct net_device *netdev)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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return adapter->msg_enable;
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}
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static void tsnep_ethtool_set_msglevel(struct net_device *netdev, u32 data)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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adapter->msg_enable = data;
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}
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static void tsnep_ethtool_get_strings(struct net_device *netdev, u32 stringset,
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u8 *data)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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int rx_count = adapter->num_rx_queues;
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int tx_count = adapter->num_tx_queues;
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int i, j;
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switch (stringset) {
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case ETH_SS_STATS:
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memcpy(data, tsnep_stats_strings, sizeof(tsnep_stats_strings));
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data += sizeof(tsnep_stats_strings);
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for (i = 0; i < rx_count; i++) {
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for (j = 0; j < TSNEP_RX_QUEUE_STATS_COUNT; j++) {
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snprintf(data, ETH_GSTRING_LEN,
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tsnep_rx_queue_stats_strings[j], i);
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data += ETH_GSTRING_LEN;
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}
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}
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for (i = 0; i < tx_count; i++) {
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for (j = 0; j < TSNEP_TX_QUEUE_STATS_COUNT; j++) {
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snprintf(data, ETH_GSTRING_LEN,
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tsnep_tx_queue_stats_strings[j], i);
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data += ETH_GSTRING_LEN;
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}
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}
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break;
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case ETH_SS_TEST:
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tsnep_ethtool_get_test_strings(data);
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break;
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}
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}
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static void tsnep_ethtool_get_ethtool_stats(struct net_device *netdev,
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struct ethtool_stats *stats,
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u64 *data)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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int rx_count = adapter->num_rx_queues;
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int tx_count = adapter->num_tx_queues;
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struct tsnep_stats tsnep_stats;
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struct tsnep_rx_queue_stats tsnep_rx_queue_stats;
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struct tsnep_tx_queue_stats tsnep_tx_queue_stats;
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u32 reg;
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int i;
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memset(&tsnep_stats, 0, sizeof(tsnep_stats));
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for (i = 0; i < adapter->num_rx_queues; i++) {
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tsnep_stats.rx_packets += adapter->rx[i].packets;
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tsnep_stats.rx_bytes += adapter->rx[i].bytes;
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tsnep_stats.rx_dropped += adapter->rx[i].dropped;
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tsnep_stats.rx_multicast += adapter->rx[i].multicast;
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tsnep_stats.rx_alloc_failed += adapter->rx[i].alloc_failed;
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}
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reg = ioread32(adapter->addr + ECM_STAT);
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tsnep_stats.rx_phy_errors =
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(reg & ECM_STAT_RX_ERR_MASK) >> ECM_STAT_RX_ERR_SHIFT;
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tsnep_stats.rx_forwarded_phy_errors =
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(reg & ECM_STAT_FWD_RX_ERR_MASK) >> ECM_STAT_FWD_RX_ERR_SHIFT;
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tsnep_stats.rx_invalid_frame_errors =
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(reg & ECM_STAT_INV_FRM_MASK) >> ECM_STAT_INV_FRM_SHIFT;
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for (i = 0; i < adapter->num_tx_queues; i++) {
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tsnep_stats.tx_packets += adapter->tx[i].packets;
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tsnep_stats.tx_bytes += adapter->tx[i].bytes;
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tsnep_stats.tx_dropped += adapter->tx[i].dropped;
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}
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memcpy(data, &tsnep_stats, sizeof(tsnep_stats));
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data += TSNEP_STATS_COUNT;
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for (i = 0; i < rx_count; i++) {
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memset(&tsnep_rx_queue_stats, 0, sizeof(tsnep_rx_queue_stats));
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tsnep_rx_queue_stats.rx_packets = adapter->rx[i].packets;
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tsnep_rx_queue_stats.rx_bytes = adapter->rx[i].bytes;
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tsnep_rx_queue_stats.rx_dropped = adapter->rx[i].dropped;
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tsnep_rx_queue_stats.rx_multicast = adapter->rx[i].multicast;
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tsnep_rx_queue_stats.rx_alloc_failed =
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adapter->rx[i].alloc_failed;
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reg = ioread32(adapter->addr + TSNEP_QUEUE(i) +
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TSNEP_RX_STATISTIC);
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tsnep_rx_queue_stats.rx_no_descriptor_errors =
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(reg & TSNEP_RX_STATISTIC_NO_DESC_MASK) >>
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TSNEP_RX_STATISTIC_NO_DESC_SHIFT;
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tsnep_rx_queue_stats.rx_buffer_too_small_errors =
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(reg & TSNEP_RX_STATISTIC_BUFFER_TOO_SMALL_MASK) >>
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TSNEP_RX_STATISTIC_BUFFER_TOO_SMALL_SHIFT;
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tsnep_rx_queue_stats.rx_fifo_overflow_errors =
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(reg & TSNEP_RX_STATISTIC_FIFO_OVERFLOW_MASK) >>
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TSNEP_RX_STATISTIC_FIFO_OVERFLOW_SHIFT;
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tsnep_rx_queue_stats.rx_invalid_frame_errors =
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(reg & TSNEP_RX_STATISTIC_INVALID_FRAME_MASK) >>
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TSNEP_RX_STATISTIC_INVALID_FRAME_SHIFT;
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memcpy(data, &tsnep_rx_queue_stats,
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sizeof(tsnep_rx_queue_stats));
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data += TSNEP_RX_QUEUE_STATS_COUNT;
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}
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for (i = 0; i < tx_count; i++) {
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memset(&tsnep_tx_queue_stats, 0, sizeof(tsnep_tx_queue_stats));
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tsnep_tx_queue_stats.tx_packets += adapter->tx[i].packets;
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tsnep_tx_queue_stats.tx_bytes += adapter->tx[i].bytes;
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tsnep_tx_queue_stats.tx_dropped += adapter->tx[i].dropped;
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memcpy(data, &tsnep_tx_queue_stats,
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sizeof(tsnep_tx_queue_stats));
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data += TSNEP_TX_QUEUE_STATS_COUNT;
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}
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}
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static int tsnep_ethtool_get_sset_count(struct net_device *netdev, int sset)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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int rx_count;
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int tx_count;
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switch (sset) {
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case ETH_SS_STATS:
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rx_count = adapter->num_rx_queues;
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tx_count = adapter->num_tx_queues;
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return TSNEP_STATS_COUNT +
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TSNEP_RX_QUEUE_STATS_COUNT * rx_count +
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TSNEP_TX_QUEUE_STATS_COUNT * tx_count;
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case ETH_SS_TEST:
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return tsnep_ethtool_get_test_count();
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default:
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return -EOPNOTSUPP;
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}
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}
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static int tsnep_ethtool_get_rxnfc(struct net_device *netdev,
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struct ethtool_rxnfc *cmd, u32 *rule_locs)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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switch (cmd->cmd) {
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case ETHTOOL_GRXRINGS:
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cmd->data = adapter->num_rx_queues;
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return 0;
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case ETHTOOL_GRXCLSRLCNT:
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cmd->rule_cnt = adapter->rxnfc_count;
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cmd->data = adapter->rxnfc_max;
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cmd->data |= RX_CLS_LOC_SPECIAL;
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return 0;
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case ETHTOOL_GRXCLSRULE:
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return tsnep_rxnfc_get_rule(adapter, cmd);
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case ETHTOOL_GRXCLSRLALL:
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return tsnep_rxnfc_get_all(adapter, cmd, rule_locs);
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default:
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return -EOPNOTSUPP;
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}
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}
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static int tsnep_ethtool_set_rxnfc(struct net_device *netdev,
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struct ethtool_rxnfc *cmd)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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switch (cmd->cmd) {
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case ETHTOOL_SRXCLSRLINS:
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return tsnep_rxnfc_add_rule(adapter, cmd);
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case ETHTOOL_SRXCLSRLDEL:
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return tsnep_rxnfc_del_rule(adapter, cmd);
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default:
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return -EOPNOTSUPP;
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}
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}
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static void tsnep_ethtool_get_channels(struct net_device *netdev,
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struct ethtool_channels *ch)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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ch->max_rx = adapter->num_rx_queues;
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ch->max_tx = adapter->num_tx_queues;
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ch->rx_count = adapter->num_rx_queues;
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ch->tx_count = adapter->num_tx_queues;
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}
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static int tsnep_ethtool_get_ts_info(struct net_device *netdev,
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struct ethtool_ts_info *info)
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{
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struct tsnep_adapter *adapter = netdev_priv(netdev);
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info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
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SOF_TIMESTAMPING_RX_SOFTWARE |
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SOF_TIMESTAMPING_SOFTWARE |
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SOF_TIMESTAMPING_TX_HARDWARE |
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SOF_TIMESTAMPING_RX_HARDWARE |
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SOF_TIMESTAMPING_RAW_HARDWARE;
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if (adapter->ptp_clock)
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info->phc_index = ptp_clock_index(adapter->ptp_clock);
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else
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info->phc_index = -1;
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info->tx_types = BIT(HWTSTAMP_TX_OFF) |
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BIT(HWTSTAMP_TX_ON);
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info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
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BIT(HWTSTAMP_FILTER_ALL);
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return 0;
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}
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static struct tsnep_queue *tsnep_get_queue_with_tx(struct tsnep_adapter *adapter,
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int index)
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{
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int i;
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for (i = 0; i < adapter->num_queues; i++) {
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if (adapter->queue[i].tx) {
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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++) {
|
||
|
|
/* RX coalesce has priority for queues with TX and RX */
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* RX coalesce has priority for queues with TX and RX */
|
||
|
|
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_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,
|
||
|
|
};
|