| 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, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <linux/netdevice.h> |
| 22 | #include <linux/ethtool.h> |
| 23 | #include <linux/pci.h> |
| 24 | #include <linux/inet_lro.h> |
| 25 | |
| 26 | #include <asm/pasemi_dma.h> |
| 27 | #include "pasemi_mac.h" |
| 28 | |
| 29 | static struct { |
| 30 | const char str[ETH_GSTRING_LEN]; |
| 31 | } ethtool_stats_keys[] = { |
| 32 | { "rx-drops" }, |
| 33 | { "rx-bytes" }, |
| 34 | { "rx-packets" }, |
| 35 | { "rx-broadcast-packets" }, |
| 36 | { "rx-multicast-packets" }, |
| 37 | { "rx-crc-errors" }, |
| 38 | { "rx-undersize-errors" }, |
| 39 | { "rx-oversize-errors" }, |
| 40 | { "rx-short-fragment-errors" }, |
| 41 | { "rx-jabber-errors" }, |
| 42 | { "rx-64-byte-packets" }, |
| 43 | { "rx-65-127-byte-packets" }, |
| 44 | { "rx-128-255-byte-packets" }, |
| 45 | { "rx-256-511-byte-packets" }, |
| 46 | { "rx-512-1023-byte-packets" }, |
| 47 | { "rx-1024-1518-byte-packets" }, |
| 48 | { "rx-pause-frames" }, |
| 49 | { "tx-bytes" }, |
| 50 | { "tx-packets" }, |
| 51 | { "tx-broadcast-packets" }, |
| 52 | { "tx-multicast-packets" }, |
| 53 | { "tx-collisions" }, |
| 54 | { "tx-late-collisions" }, |
| 55 | { "tx-excessive-collisions" }, |
| 56 | { "tx-crc-errors" }, |
| 57 | { "tx-undersize-errors" }, |
| 58 | { "tx-oversize-errors" }, |
| 59 | { "tx-64-byte-packets" }, |
| 60 | { "tx-65-127-byte-packets" }, |
| 61 | { "tx-128-255-byte-packets" }, |
| 62 | { "tx-256-511-byte-packets" }, |
| 63 | { "tx-512-1023-byte-packets" }, |
| 64 | { "tx-1024-1518-byte-packets" }, |
| 65 | }; |
| 66 | |
| 67 | static int |
| 68 | pasemi_mac_ethtool_get_settings(struct net_device *netdev, |
| 69 | struct ethtool_cmd *cmd) |
| 70 | { |
| 71 | struct pasemi_mac *mac = netdev_priv(netdev); |
| 72 | struct phy_device *phydev = mac->phydev; |
| 73 | |
| 74 | return phy_ethtool_gset(phydev, cmd); |
| 75 | } |
| 76 | |
| 77 | static void |
| 78 | pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev, |
| 79 | struct ethtool_drvinfo *drvinfo) |
| 80 | { |
| 81 | struct pasemi_mac *mac; |
| 82 | mac = netdev_priv(netdev); |
| 83 | |
| 84 | /* clear and fill out info */ |
| 85 | memset(drvinfo, 0, sizeof(struct ethtool_drvinfo)); |
| 86 | strncpy(drvinfo->driver, "pasemi_mac", 12); |
| 87 | strcpy(drvinfo->version, "N/A"); |
| 88 | strcpy(drvinfo->fw_version, "N/A"); |
| 89 | strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32); |
| 90 | } |
| 91 | |
| 92 | static u32 |
| 93 | pasemi_mac_ethtool_get_msglevel(struct net_device *netdev) |
| 94 | { |
| 95 | struct pasemi_mac *mac = netdev_priv(netdev); |
| 96 | return mac->msg_enable; |
| 97 | } |
| 98 | |
| 99 | static void |
| 100 | pasemi_mac_ethtool_set_msglevel(struct net_device *netdev, |
| 101 | u32 level) |
| 102 | { |
| 103 | struct pasemi_mac *mac = netdev_priv(netdev); |
| 104 | mac->msg_enable = level; |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static void |
| 109 | pasemi_mac_ethtool_get_ringparam(struct net_device *netdev, |
| 110 | struct ethtool_ringparam *ering) |
| 111 | { |
| 112 | struct pasemi_mac *mac = netdev_priv(netdev); |
| 113 | |
| 114 | ering->tx_max_pending = TX_RING_SIZE/2; |
| 115 | ering->tx_pending = RING_USED(mac->tx)/2; |
| 116 | ering->rx_max_pending = RX_RING_SIZE/4; |
| 117 | ering->rx_pending = RING_USED(mac->rx)/4; |
| 118 | } |
| 119 | |
| 120 | static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset) |
| 121 | { |
| 122 | switch (sset) { |
| 123 | case ETH_SS_STATS: |
| 124 | return ARRAY_SIZE(ethtool_stats_keys); |
| 125 | default: |
| 126 | return -EOPNOTSUPP; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | static void pasemi_mac_get_ethtool_stats(struct net_device *netdev, |
| 131 | struct ethtool_stats *stats, u64 *data) |
| 132 | { |
| 133 | struct pasemi_mac *mac = netdev_priv(netdev); |
| 134 | int i; |
| 135 | |
| 136 | data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)) |
| 137 | >> PAS_DMA_RXINT_RCMDSTA_DROPS_S; |
| 138 | for (i = 0; i < 32; i++) |
| 139 | data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i)); |
| 140 | } |
| 141 | |
| 142 | static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset, |
| 143 | u8 *data) |
| 144 | { |
| 145 | memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); |
| 146 | } |
| 147 | |
| 148 | const struct ethtool_ops pasemi_mac_ethtool_ops = { |
| 149 | .get_settings = pasemi_mac_ethtool_get_settings, |
| 150 | .get_drvinfo = pasemi_mac_ethtool_get_drvinfo, |
| 151 | .get_msglevel = pasemi_mac_ethtool_get_msglevel, |
| 152 | .set_msglevel = pasemi_mac_ethtool_set_msglevel, |
| 153 | .get_link = ethtool_op_get_link, |
| 154 | .get_ringparam = pasemi_mac_ethtool_get_ringparam, |
| 155 | .get_strings = pasemi_mac_get_strings, |
| 156 | .get_sset_count = pasemi_mac_get_sset_count, |
| 157 | .get_ethtool_stats = pasemi_mac_get_ethtool_stats, |
| 158 | }; |
| 159 | |