1 /* 2 * linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c 3 * 4 * eHEA ethernet device driver for IBM eServer System p 5 * 6 * (C) Copyright IBM Corp. 2006 7 * 8 * Authors: 9 * Christoph Raisch <raisch@de.ibm.com> 10 * Jan-Bernd Themann <themann@de.ibm.com> 11 * Thomas Klein <tklein@de.ibm.com> 12 * 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2, or (at your option) 17 * any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 30 31 #include "ehea.h" 32 #include "ehea_phyp.h" 33 34 static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 35 { 36 struct ehea_port *port = netdev_priv(dev); 37 u32 speed; 38 int ret; 39 40 ret = ehea_sense_port_attr(port); 41 42 if (ret) 43 return ret; 44 45 if (netif_carrier_ok(dev)) { 46 switch (port->port_speed) { 47 case EHEA_SPEED_10M: 48 speed = SPEED_10; 49 break; 50 case EHEA_SPEED_100M: 51 speed = SPEED_100; 52 break; 53 case EHEA_SPEED_1G: 54 speed = SPEED_1000; 55 break; 56 case EHEA_SPEED_10G: 57 speed = SPEED_10000; 58 break; 59 default: 60 speed = -1; 61 break; /* BUG */ 62 } 63 cmd->duplex = port->full_duplex == 1 ? 64 DUPLEX_FULL : DUPLEX_HALF; 65 } else { 66 speed = SPEED_UNKNOWN; 67 cmd->duplex = DUPLEX_UNKNOWN; 68 } 69 ethtool_cmd_speed_set(cmd, speed); 70 71 if (cmd->speed == SPEED_10000) { 72 cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); 73 cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); 74 cmd->port = PORT_FIBRE; 75 } else { 76 cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full 77 | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full 78 | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg 79 | SUPPORTED_TP); 80 cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg 81 | ADVERTISED_TP); 82 cmd->port = PORT_TP; 83 } 84 85 cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE; 86 87 return 0; 88 } 89 90 static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 91 { 92 struct ehea_port *port = netdev_priv(dev); 93 int ret = 0; 94 u32 sp; 95 96 if (cmd->autoneg == AUTONEG_ENABLE) { 97 sp = EHEA_SPEED_AUTONEG; 98 goto doit; 99 } 100 101 switch (cmd->speed) { 102 case SPEED_10: 103 if (cmd->duplex == DUPLEX_FULL) 104 sp = H_SPEED_10M_F; 105 else 106 sp = H_SPEED_10M_H; 107 break; 108 109 case SPEED_100: 110 if (cmd->duplex == DUPLEX_FULL) 111 sp = H_SPEED_100M_F; 112 else 113 sp = H_SPEED_100M_H; 114 break; 115 116 case SPEED_1000: 117 if (cmd->duplex == DUPLEX_FULL) 118 sp = H_SPEED_1G_F; 119 else 120 ret = -EINVAL; 121 break; 122 123 case SPEED_10000: 124 if (cmd->duplex == DUPLEX_FULL) 125 sp = H_SPEED_10G_F; 126 else 127 ret = -EINVAL; 128 break; 129 130 default: 131 ret = -EINVAL; 132 break; 133 } 134 135 if (ret) 136 goto out; 137 doit: 138 ret = ehea_set_portspeed(port, sp); 139 140 if (!ret) 141 netdev_info(dev, 142 "Port speed successfully set: %dMbps %s Duplex\n", 143 port->port_speed, 144 port->full_duplex == 1 ? "Full" : "Half"); 145 out: 146 return ret; 147 } 148 149 static int ehea_nway_reset(struct net_device *dev) 150 { 151 struct ehea_port *port = netdev_priv(dev); 152 int ret; 153 154 ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG); 155 156 if (!ret) 157 netdev_info(port->netdev, 158 "Port speed successfully set: %dMbps %s Duplex\n", 159 port->port_speed, 160 port->full_duplex == 1 ? "Full" : "Half"); 161 return ret; 162 } 163 164 static void ehea_get_drvinfo(struct net_device *dev, 165 struct ethtool_drvinfo *info) 166 { 167 strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); 168 strlcpy(info->version, DRV_VERSION, sizeof(info->version)); 169 } 170 171 static u32 ehea_get_msglevel(struct net_device *dev) 172 { 173 struct ehea_port *port = netdev_priv(dev); 174 return port->msg_enable; 175 } 176 177 static void ehea_set_msglevel(struct net_device *dev, u32 value) 178 { 179 struct ehea_port *port = netdev_priv(dev); 180 port->msg_enable = value; 181 } 182 183 static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = { 184 {"sig_comp_iv"}, 185 {"swqe_refill_th"}, 186 {"port resets"}, 187 {"Receive errors"}, 188 {"TCP cksum errors"}, 189 {"IP cksum errors"}, 190 {"Frame cksum errors"}, 191 {"num SQ stopped"}, 192 {"PR0 free_swqes"}, 193 {"PR1 free_swqes"}, 194 {"PR2 free_swqes"}, 195 {"PR3 free_swqes"}, 196 {"PR4 free_swqes"}, 197 {"PR5 free_swqes"}, 198 {"PR6 free_swqes"}, 199 {"PR7 free_swqes"}, 200 {"PR8 free_swqes"}, 201 {"PR9 free_swqes"}, 202 {"PR10 free_swqes"}, 203 {"PR11 free_swqes"}, 204 {"PR12 free_swqes"}, 205 {"PR13 free_swqes"}, 206 {"PR14 free_swqes"}, 207 {"PR15 free_swqes"}, 208 }; 209 210 static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data) 211 { 212 if (stringset == ETH_SS_STATS) { 213 memcpy(data, &ehea_ethtool_stats_keys, 214 sizeof(ehea_ethtool_stats_keys)); 215 } 216 } 217 218 static int ehea_get_sset_count(struct net_device *dev, int sset) 219 { 220 switch (sset) { 221 case ETH_SS_STATS: 222 return ARRAY_SIZE(ehea_ethtool_stats_keys); 223 default: 224 return -EOPNOTSUPP; 225 } 226 } 227 228 static void ehea_get_ethtool_stats(struct net_device *dev, 229 struct ethtool_stats *stats, u64 *data) 230 { 231 int i, k, tmp; 232 struct ehea_port *port = netdev_priv(dev); 233 234 for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++) 235 data[i] = 0; 236 i = 0; 237 238 data[i++] = port->sig_comp_iv; 239 data[i++] = port->port_res[0].swqe_refill_th; 240 data[i++] = port->resets; 241 242 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) 243 tmp += port->port_res[k].p_stats.poll_receive_errors; 244 data[i++] = tmp; 245 246 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) 247 tmp += port->port_res[k].p_stats.err_tcp_cksum; 248 data[i++] = tmp; 249 250 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) 251 tmp += port->port_res[k].p_stats.err_ip_cksum; 252 data[i++] = tmp; 253 254 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) 255 tmp += port->port_res[k].p_stats.err_frame_crc; 256 data[i++] = tmp; 257 258 for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) 259 tmp += port->port_res[k].p_stats.queue_stopped; 260 data[i++] = tmp; 261 262 for (k = 0; k < 16; k++) 263 data[i++] = atomic_read(&port->port_res[k].swqe_avail); 264 } 265 266 static const struct ethtool_ops ehea_ethtool_ops = { 267 .get_settings = ehea_get_settings, 268 .get_drvinfo = ehea_get_drvinfo, 269 .get_msglevel = ehea_get_msglevel, 270 .set_msglevel = ehea_set_msglevel, 271 .get_link = ethtool_op_get_link, 272 .get_strings = ehea_get_strings, 273 .get_sset_count = ehea_get_sset_count, 274 .get_ethtool_stats = ehea_get_ethtool_stats, 275 .set_settings = ehea_set_settings, 276 .nway_reset = ehea_nway_reset, /* Restart autonegotiation */ 277 }; 278 279 void ehea_set_ethtool_ops(struct net_device *netdev) 280 { 281 netdev->ethtool_ops = &ehea_ethtool_ops; 282 } 283