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 27 static 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 65 static int 66 pasemi_mac_ethtool_get_settings(struct net_device *netdev, 67 struct ethtool_cmd *cmd) 68 { 69 struct pasemi_mac *mac = netdev_priv(netdev); 70 struct phy_device *phydev = mac->phydev; 71 72 if (!phydev) 73 return -EOPNOTSUPP; 74 75 return phy_ethtool_gset(phydev, cmd); 76 } 77 78 static int 79 pasemi_mac_ethtool_set_settings(struct net_device *netdev, 80 struct ethtool_cmd *cmd) 81 { 82 struct pasemi_mac *mac = netdev_priv(netdev); 83 struct phy_device *phydev = mac->phydev; 84 85 if (!phydev) 86 return -EOPNOTSUPP; 87 88 return phy_ethtool_sset(phydev, cmd); 89 } 90 91 static u32 92 pasemi_mac_ethtool_get_msglevel(struct net_device *netdev) 93 { 94 struct pasemi_mac *mac = netdev_priv(netdev); 95 return mac->msg_enable; 96 } 97 98 static void 99 pasemi_mac_ethtool_set_msglevel(struct net_device *netdev, 100 u32 level) 101 { 102 struct pasemi_mac *mac = netdev_priv(netdev); 103 mac->msg_enable = level; 104 } 105 106 107 static void 108 pasemi_mac_ethtool_get_ringparam(struct net_device *netdev, 109 struct ethtool_ringparam *ering) 110 { 111 struct pasemi_mac *mac = netdev_priv(netdev); 112 113 ering->tx_max_pending = TX_RING_SIZE/2; 114 ering->tx_pending = RING_USED(mac->tx)/2; 115 ering->rx_max_pending = RX_RING_SIZE/4; 116 ering->rx_pending = RING_USED(mac->rx)/4; 117 } 118 119 static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset) 120 { 121 switch (sset) { 122 case ETH_SS_STATS: 123 return ARRAY_SIZE(ethtool_stats_keys); 124 default: 125 return -EOPNOTSUPP; 126 } 127 } 128 129 static void pasemi_mac_get_ethtool_stats(struct net_device *netdev, 130 struct ethtool_stats *stats, u64 *data) 131 { 132 struct pasemi_mac *mac = netdev_priv(netdev); 133 int i; 134 135 data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)) 136 >> PAS_DMA_RXINT_RCMDSTA_DROPS_S; 137 for (i = 0; i < 32; i++) 138 data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i)); 139 } 140 141 static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset, 142 u8 *data) 143 { 144 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); 145 } 146 147 const struct ethtool_ops pasemi_mac_ethtool_ops = { 148 .get_settings = pasemi_mac_ethtool_get_settings, 149 .set_settings = pasemi_mac_ethtool_set_settings, 150 .get_msglevel = pasemi_mac_ethtool_get_msglevel, 151 .set_msglevel = pasemi_mac_ethtool_set_msglevel, 152 .get_link = ethtool_op_get_link, 153 .get_ringparam = pasemi_mac_ethtool_get_ringparam, 154 .get_strings = pasemi_mac_get_strings, 155 .get_sset_count = pasemi_mac_get_sset_count, 156 .get_ethtool_stats = pasemi_mac_get_ethtool_stats, 157 }; 158 159