1/* 2 * Network device driver for Cell Processor-Based Blade 3 * 4 * (C) Copyright IBM Corp. 2005 5 * 6 * Authors : Utz Bacher <utz.bacher@de.ibm.com> 7 * Jens Osterkamp <Jens.Osterkamp@de.ibm.com> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2, or (at your option) 12 * any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 */ 23 24#include <linux/netdevice.h> 25#include <linux/ethtool.h> 26#include <linux/pci.h> 27 28#include "spider_net.h" 29 30 31static struct { 32 const char str[ETH_GSTRING_LEN]; 33} ethtool_stats_keys[] = { 34 { "tx_packets" }, 35 { "tx_bytes" }, 36 { "rx_packets" }, 37 { "rx_bytes" }, 38 { "tx_errors" }, 39 { "tx_dropped" }, 40 { "rx_dropped" }, 41 { "rx_descriptor_error" }, 42 { "tx_timeouts" }, 43 { "alloc_rx_skb_error" }, 44 { "rx_iommu_map_error" }, 45 { "tx_iommu_map_error" }, 46 { "rx_desc_unk_state" }, 47}; 48 49static int 50spider_net_ethtool_get_settings(struct net_device *netdev, 51 struct ethtool_cmd *cmd) 52{ 53 struct spider_net_card *card; 54 card = netdev_priv(netdev); 55 56 cmd->supported = (SUPPORTED_1000baseT_Full | 57 SUPPORTED_FIBRE); 58 cmd->advertising = (ADVERTISED_1000baseT_Full | 59 ADVERTISED_FIBRE); 60 cmd->port = PORT_FIBRE; 61 cmd->speed = card->phy.speed; 62 cmd->duplex = DUPLEX_FULL; 63 64 return 0; 65} 66 67static void 68spider_net_ethtool_get_drvinfo(struct net_device *netdev, 69 struct ethtool_drvinfo *drvinfo) 70{ 71 struct spider_net_card *card; 72 card = netdev_priv(netdev); 73 74 /* clear and fill out info */ 75 memset(drvinfo, 0, sizeof(struct ethtool_drvinfo)); 76 strncpy(drvinfo->driver, spider_net_driver_name, 32); 77 strncpy(drvinfo->version, VERSION, 32); 78 strcpy(drvinfo->fw_version, "no information"); 79 strncpy(drvinfo->bus_info, pci_name(card->pdev), 32); 80} 81 82static void 83spider_net_ethtool_get_wol(struct net_device *netdev, 84 struct ethtool_wolinfo *wolinfo) 85{ 86 /* no support for wol */ 87 wolinfo->supported = 0; 88 wolinfo->wolopts = 0; 89} 90 91static u32 92spider_net_ethtool_get_msglevel(struct net_device *netdev) 93{ 94 struct spider_net_card *card; 95 card = netdev_priv(netdev); 96 return card->msg_enable; 97} 98 99static void 100spider_net_ethtool_set_msglevel(struct net_device *netdev, 101 u32 level) 102{ 103 struct spider_net_card *card; 104 card = netdev_priv(netdev); 105 card->msg_enable = level; 106} 107 108static int 109spider_net_ethtool_nway_reset(struct net_device *netdev) 110{ 111 if (netif_running(netdev)) { 112 spider_net_stop(netdev); 113 spider_net_open(netdev); 114 } 115 return 0; 116} 117 118static u32 119spider_net_ethtool_get_rx_csum(struct net_device *netdev) 120{ 121 struct spider_net_card *card = netdev_priv(netdev); 122 123 return card->options.rx_csum; 124} 125 126static int 127spider_net_ethtool_set_rx_csum(struct net_device *netdev, u32 n) 128{ 129 struct spider_net_card *card = netdev_priv(netdev); 130 131 card->options.rx_csum = n; 132 return 0; 133} 134 135 136static void 137spider_net_ethtool_get_ringparam(struct net_device *netdev, 138 struct ethtool_ringparam *ering) 139{ 140 struct spider_net_card *card = netdev_priv(netdev); 141 142 ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX; 143 ering->tx_pending = card->tx_chain.num_desc; 144 ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX; 145 ering->rx_pending = card->rx_chain.num_desc; 146} 147 148static int spider_net_get_sset_count(struct net_device *netdev, int sset) 149{ 150 switch (sset) { 151 case ETH_SS_STATS: 152 return ARRAY_SIZE(ethtool_stats_keys); 153 default: 154 return -EOPNOTSUPP; 155 } 156} 157 158static void spider_net_get_ethtool_stats(struct net_device *netdev, 159 struct ethtool_stats *stats, u64 *data) 160{ 161 struct spider_net_card *card = netdev_priv(netdev); 162 163 data[0] = netdev->stats.tx_packets; 164 data[1] = netdev->stats.tx_bytes; 165 data[2] = netdev->stats.rx_packets; 166 data[3] = netdev->stats.rx_bytes; 167 data[4] = netdev->stats.tx_errors; 168 data[5] = netdev->stats.tx_dropped; 169 data[6] = netdev->stats.rx_dropped; 170 data[7] = card->spider_stats.rx_desc_error; 171 data[8] = card->spider_stats.tx_timeouts; 172 data[9] = card->spider_stats.alloc_rx_skb_error; 173 data[10] = card->spider_stats.rx_iommu_map_error; 174 data[11] = card->spider_stats.tx_iommu_map_error; 175 data[12] = card->spider_stats.rx_desc_unk_state; 176} 177 178static void spider_net_get_strings(struct net_device *netdev, u32 stringset, 179 u8 *data) 180{ 181 memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); 182} 183 184const struct ethtool_ops spider_net_ethtool_ops = { 185 .get_settings = spider_net_ethtool_get_settings, 186 .get_drvinfo = spider_net_ethtool_get_drvinfo, 187 .get_wol = spider_net_ethtool_get_wol, 188 .get_msglevel = spider_net_ethtool_get_msglevel, 189 .set_msglevel = spider_net_ethtool_set_msglevel, 190 .get_link = ethtool_op_get_link, 191 .nway_reset = spider_net_ethtool_nway_reset, 192 .get_rx_csum = spider_net_ethtool_get_rx_csum, 193 .set_rx_csum = spider_net_ethtool_set_rx_csum, 194 .set_tx_csum = ethtool_op_set_tx_csum, 195 .get_ringparam = spider_net_ethtool_get_ringparam, 196 .get_strings = spider_net_get_strings, 197 .get_sset_count = spider_net_get_sset_count, 198 .get_ethtool_stats = spider_net_get_ethtool_stats, 199}; 200