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

   1/*
   2 * Copyright (C) 2006-2008 PA Semi, Inc
   3 *
   4 * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19
  20#include <linux/netdevice.h>
  21#include <linux/ethtool.h>
  22#include <linux/pci.h>
  23
  24#include <asm/pasemi_dma.h>
  25#include "pasemi_mac.h"
  26
  27static struct {
  28        const char str[ETH_GSTRING_LEN];
  29} ethtool_stats_keys[] = {
  30        { "rx-drops" },
  31        { "rx-bytes" },
  32        { "rx-packets" },
  33        { "rx-broadcast-packets" },
  34        { "rx-multicast-packets" },
  35        { "rx-crc-errors" },
  36        { "rx-undersize-errors" },
  37        { "rx-oversize-errors" },
  38        { "rx-short-fragment-errors" },
  39        { "rx-jabber-errors" },
  40        { "rx-64-byte-packets" },
  41        { "rx-65-127-byte-packets" },
  42        { "rx-128-255-byte-packets" },
  43        { "rx-256-511-byte-packets" },
  44        { "rx-512-1023-byte-packets" },
  45        { "rx-1024-1518-byte-packets" },
  46        { "rx-pause-frames" },
  47        { "tx-bytes" },
  48        { "tx-packets" },
  49        { "tx-broadcast-packets" },
  50        { "tx-multicast-packets" },
  51        { "tx-collisions" },
  52        { "tx-late-collisions" },
  53        { "tx-excessive-collisions" },
  54        { "tx-crc-errors" },
  55        { "tx-undersize-errors" },
  56        { "tx-oversize-errors" },
  57        { "tx-64-byte-packets" },
  58        { "tx-65-127-byte-packets" },
  59        { "tx-128-255-byte-packets" },
  60        { "tx-256-511-byte-packets" },
  61        { "tx-512-1023-byte-packets" },
  62        { "tx-1024-1518-byte-packets" },
  63};
  64
  65static u32
  66pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
  67{
  68        struct pasemi_mac *mac = netdev_priv(netdev);
  69        return mac->msg_enable;
  70}
  71
  72static void
  73pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
  74                                u32 level)
  75{
  76        struct pasemi_mac *mac = netdev_priv(netdev);
  77        mac->msg_enable = level;
  78}
  79
  80
  81static void
  82pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
  83                                 struct ethtool_ringparam *ering)
  84{
  85        struct pasemi_mac *mac = netdev_priv(netdev);
  86
  87        ering->tx_max_pending = TX_RING_SIZE/2;
  88        ering->tx_pending = RING_USED(mac->tx)/2;
  89        ering->rx_max_pending = RX_RING_SIZE/4;
  90        ering->rx_pending = RING_USED(mac->rx)/4;
  91}
  92
  93static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
  94{
  95        switch (sset) {
  96        case ETH_SS_STATS:
  97                return ARRAY_SIZE(ethtool_stats_keys);
  98        default:
  99                return -EOPNOTSUPP;
 100        }
 101}
 102
 103static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
 104                struct ethtool_stats *stats, u64 *data)
 105{
 106        struct pasemi_mac *mac = netdev_priv(netdev);
 107        int i;
 108
 109        data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
 110                        >> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
 111        for (i = 0; i < 32; i++)
 112                data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
 113}
 114
 115static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
 116                                   u8 *data)
 117{
 118        memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
 119}
 120
 121const struct ethtool_ops pasemi_mac_ethtool_ops = {
 122        .get_msglevel           = pasemi_mac_ethtool_get_msglevel,
 123        .set_msglevel           = pasemi_mac_ethtool_set_msglevel,
 124        .get_link               = ethtool_op_get_link,
 125        .get_ringparam          = pasemi_mac_ethtool_get_ringparam,
 126        .get_strings            = pasemi_mac_get_strings,
 127        .get_sset_count         = pasemi_mac_get_sset_count,
 128        .get_ethtool_stats      = pasemi_mac_get_ethtool_stats,
 129        .get_link_ksettings     = phy_ethtool_get_link_ksettings,
 130        .set_link_ksettings     = phy_ethtool_set_link_ksettings,
 131};
 132
 133