LXR linux/drivers/net/ethernet/pasemi/pasemi_mac

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2006-2008 PA Semi, Inc
   4 *
   5 * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
   6 */
   7
   8
   9#include <linux/netdevice.h>
  10#include <linux/ethtool.h>
  11#include <linux/pci.h>
  12
  13#include <asm/pasemi_dma.h>
  14#include "pasemi_mac.h"
  15
  16static struct {
  17        const char str[ETH_GSTRING_LEN];
  18} ethtool_stats_keys[] = {
  19        { "rx-drops" },
  20        { "rx-bytes" },
  21        { "rx-packets" },
  22        { "rx-broadcast-packets" },
  23        { "rx-multicast-packets" },
  24        { "rx-crc-errors" },
  25        { "rx-undersize-errors" },
  26        { "rx-oversize-errors" },
  27        { "rx-short-fragment-errors" },
  28        { "rx-jabber-errors" },
  29        { "rx-64-byte-packets" },
  30        { "rx-65-127-byte-packets" },
  31        { "rx-128-255-byte-packets" },
  32        { "rx-256-511-byte-packets" },
  33        { "rx-512-1023-byte-packets" },
  34        { "rx-1024-1518-byte-packets" },
  35        { "rx-pause-frames" },
  36        { "tx-bytes" },
  37        { "tx-packets" },
  38        { "tx-broadcast-packets" },
  39        { "tx-multicast-packets" },
  40        { "tx-collisions" },
  41        { "tx-late-collisions" },
  42        { "tx-excessive-collisions" },
  43        { "tx-crc-errors" },
  44        { "tx-undersize-errors" },
  45        { "tx-oversize-errors" },
  46        { "tx-64-byte-packets" },
  47        { "tx-65-127-byte-packets" },
  48        { "tx-128-255-byte-packets" },
  49        { "tx-256-511-byte-packets" },
  50        { "tx-512-1023-byte-packets" },
  51        { "tx-1024-1518-byte-packets" },
  52};
  53
  54static u32
  55pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
  56{
  57        struct pasemi_mac *mac = netdev_priv(netdev);
  58        return mac->msg_enable;
  59}
  60
  61static void
  62pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
  63                                u32 level)
  64{
  65        struct pasemi_mac *mac = netdev_priv(netdev);
  66        mac->msg_enable = level;
  67}
  68
  69
  70static void
  71pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
  72                                 struct ethtool_ringparam *ering)
  73{
  74        struct pasemi_mac *mac = netdev_priv(netdev);
  75
  76        ering->tx_max_pending = TX_RING_SIZE/2;
  77        ering->tx_pending = RING_USED(mac->tx)/2;
  78        ering->rx_max_pending = RX_RING_SIZE/4;
  79        ering->rx_pending = RING_USED(mac->rx)/4;
  80}
  81
  82static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
  83{
  84        switch (sset) {
  85        case ETH_SS_STATS:
  86                return ARRAY_SIZE(ethtool_stats_keys);
  87        default:
  88                return -EOPNOTSUPP;
  89        }
  90}
  91
  92static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
  93                struct ethtool_stats *stats, u64 *data)
  94{
  95        struct pasemi_mac *mac = netdev_priv(netdev);
  96        int i;
  97
  98        data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
  99                        >> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
 100        for (i = 0; i < 32; i++)
 101                data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
 102}
 103
 104static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
 105                                   u8 *data)
 106{
 107        memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
 108}
 109
 110const struct ethtool_ops pasemi_mac_ethtool_ops = {
 111        .get_msglevel           = pasemi_mac_ethtool_get_msglevel,
 112        .set_msglevel           = pasemi_mac_ethtool_set_msglevel,
 113        .get_link               = ethtool_op_get_link,
 114        .get_ringparam          = pasemi_mac_ethtool_get_ringparam,
 115        .get_strings            = pasemi_mac_get_strings,
 116        .get_sset_count         = pasemi_mac_get_sset_count,
 117        .get_ethtool_stats      = pasemi_mac_get_ethtool_stats,
 118        .get_link_ksettings     = phy_ethtool_get_link_ksettings,
 119        .set_link_ksettings     = phy_ethtool_set_link_ksettings,
 120};
 121
 122