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 if (!phydev) 75 return -EOPNOTSUPP; 76 77 return phy_ethtool_gset(phydev, cmd); 78 } 79 80 static int 81 pasemi_mac_ethtool_set_settings(struct net_device *netdev, 82 struct ethtool_cmd *cmd) 83 { 84 struct pasemi_mac *mac = netdev_priv(netdev); 85 struct phy_device *phydev = mac->phydev; 86 87 if (!phydev) 88 return -EOPNOTSUPP; 89 90 return phy_ethtool_sset(phydev, cmd); 91 } 92 93 static u32 94 pasemi_mac_ethtool_get_msglevel(struct net_device *netdev) 95 { 96 struct pasemi_mac *mac = netdev_priv(netdev); 97 return mac->msg_enable; 98 } 99 100 static void 101 pasemi_mac_ethtool_set_msglevel(struct net_device *netdev, 102 u32 level) 103 { 104 struct pasemi_mac *mac = netdev_priv(netdev); 105 mac->msg_enable = level; 106 } 107 108 109 static void 110 pasemi_mac_ethtool_get_ringparam(struct net_device *netdev, 111 struct ethtool_ringparam *ering) 112 { 113 struct pasemi_mac *mac = netdev_priv(netdev); 114 115 ering->tx_max_pending = TX_RING_SIZE/2; 116 ering->tx_pending = RING_USED(mac->tx)/2; 117 ering->rx_max_pending = RX_RING_SIZE/4; 118 ering->rx_pending = RING_USED(mac->rx)/4; 119 } 120 121 static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset) 122 { 123 switch (sset) { 124 case ETH_SS_STATS: 125 return ARRAY_SIZE(ethtool_stats_keys); 126 default: 127 return -EOPNOTSUPP; 128 } 129 } 130 131 static void pasemi_mac_get_ethtool_stats(struct net_device *netdev, 132 struct ethtool_stats *stats, u64 *data) 133 { 134 struct pasemi_mac *mac = netdev_priv(netdev); 135 int i; 136 137 data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)) 138 >> PAS_DMA_RXINT_RCMDSTA_DROPS_S; 139 for (i = 0; i < 32; i++) 140 data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i)); 141 } 142 143 static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset, 144 u8 *data) 145 { 146 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); 147 } 148 149 const struct ethtool_ops pasemi_mac_ethtool_ops = { 150 .get_settings = pasemi_mac_ethtool_get_settings, 151 .set_settings = pasemi_mac_ethtool_set_settings, 152 .get_msglevel = pasemi_mac_ethtool_get_msglevel, 153 .set_msglevel = pasemi_mac_ethtool_set_msglevel, 154 .get_link = ethtool_op_get_link, 155 .get_ringparam = pasemi_mac_ethtool_get_ringparam, 156 .get_strings = pasemi_mac_get_strings, 157 .get_sset_count = pasemi_mac_get_sset_count, 158 .get_ethtool_stats = pasemi_mac_get_ethtool_stats, 159 }; 160 161