Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005 - 2009 ServerEngines |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License version 2 |
| 7 | * as published by the Free Software Foundation. The full GNU General |
| 8 | * Public License is included in this distribution in the file called COPYING. |
| 9 | * |
| 10 | * Contact Information: |
| 11 | * linux-drivers@serverengines.com |
| 12 | * |
| 13 | * ServerEngines |
| 14 | * 209 N. Fair Oaks Ave |
| 15 | * Sunnyvale, CA 94085 |
| 16 | */ |
| 17 | |
| 18 | #include "be.h" |
| 19 | #include <linux/ethtool.h> |
| 20 | |
| 21 | struct be_ethtool_stat { |
| 22 | char desc[ETH_GSTRING_LEN]; |
| 23 | int type; |
| 24 | int size; |
| 25 | int offset; |
| 26 | }; |
| 27 | |
| 28 | enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT}; |
| 29 | #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \ |
| 30 | offsetof(_struct, field) |
| 31 | #define NETSTAT_INFO(field) #field, NETSTAT,\ |
| 32 | FIELDINFO(struct net_device_stats,\ |
| 33 | field) |
| 34 | #define DRVSTAT_INFO(field) #field, DRVSTAT,\ |
| 35 | FIELDINFO(struct be_drvr_stats, field) |
| 36 | #define MISCSTAT_INFO(field) #field, MISCSTAT,\ |
| 37 | FIELDINFO(struct be_rxf_stats, field) |
| 38 | #define PORTSTAT_INFO(field) #field, PORTSTAT,\ |
| 39 | FIELDINFO(struct be_port_rxf_stats, \ |
| 40 | field) |
| 41 | #define ERXSTAT_INFO(field) #field, ERXSTAT,\ |
| 42 | FIELDINFO(struct be_erx_stats, field) |
| 43 | |
| 44 | static const struct be_ethtool_stat et_stats[] = { |
| 45 | {NETSTAT_INFO(rx_packets)}, |
| 46 | {NETSTAT_INFO(tx_packets)}, |
| 47 | {NETSTAT_INFO(rx_bytes)}, |
| 48 | {NETSTAT_INFO(tx_bytes)}, |
| 49 | {NETSTAT_INFO(rx_errors)}, |
| 50 | {NETSTAT_INFO(tx_errors)}, |
| 51 | {NETSTAT_INFO(rx_dropped)}, |
| 52 | {NETSTAT_INFO(tx_dropped)}, |
| 53 | {DRVSTAT_INFO(be_tx_reqs)}, |
| 54 | {DRVSTAT_INFO(be_tx_stops)}, |
| 55 | {DRVSTAT_INFO(be_fwd_reqs)}, |
| 56 | {DRVSTAT_INFO(be_tx_wrbs)}, |
| 57 | {DRVSTAT_INFO(be_polls)}, |
| 58 | {DRVSTAT_INFO(be_tx_events)}, |
| 59 | {DRVSTAT_INFO(be_rx_events)}, |
| 60 | {DRVSTAT_INFO(be_tx_compl)}, |
| 61 | {DRVSTAT_INFO(be_rx_compl)}, |
| 62 | {DRVSTAT_INFO(be_ethrx_post_fail)}, |
| 63 | {DRVSTAT_INFO(be_802_3_dropped_frames)}, |
| 64 | {DRVSTAT_INFO(be_802_3_malformed_frames)}, |
| 65 | {DRVSTAT_INFO(be_tx_rate)}, |
| 66 | {DRVSTAT_INFO(be_rx_rate)}, |
| 67 | {PORTSTAT_INFO(rx_unicast_frames)}, |
| 68 | {PORTSTAT_INFO(rx_multicast_frames)}, |
| 69 | {PORTSTAT_INFO(rx_broadcast_frames)}, |
| 70 | {PORTSTAT_INFO(rx_crc_errors)}, |
| 71 | {PORTSTAT_INFO(rx_alignment_symbol_errors)}, |
| 72 | {PORTSTAT_INFO(rx_pause_frames)}, |
| 73 | {PORTSTAT_INFO(rx_control_frames)}, |
| 74 | {PORTSTAT_INFO(rx_in_range_errors)}, |
| 75 | {PORTSTAT_INFO(rx_out_range_errors)}, |
| 76 | {PORTSTAT_INFO(rx_frame_too_long)}, |
| 77 | {PORTSTAT_INFO(rx_address_match_errors)}, |
| 78 | {PORTSTAT_INFO(rx_vlan_mismatch)}, |
| 79 | {PORTSTAT_INFO(rx_dropped_too_small)}, |
| 80 | {PORTSTAT_INFO(rx_dropped_too_short)}, |
| 81 | {PORTSTAT_INFO(rx_dropped_header_too_small)}, |
| 82 | {PORTSTAT_INFO(rx_dropped_tcp_length)}, |
| 83 | {PORTSTAT_INFO(rx_dropped_runt)}, |
| 84 | {PORTSTAT_INFO(rx_fifo_overflow)}, |
| 85 | {PORTSTAT_INFO(rx_input_fifo_overflow)}, |
| 86 | {PORTSTAT_INFO(rx_ip_checksum_errs)}, |
| 87 | {PORTSTAT_INFO(rx_tcp_checksum_errs)}, |
| 88 | {PORTSTAT_INFO(rx_udp_checksum_errs)}, |
| 89 | {PORTSTAT_INFO(rx_non_rss_packets)}, |
| 90 | {PORTSTAT_INFO(rx_ipv4_packets)}, |
| 91 | {PORTSTAT_INFO(rx_ipv6_packets)}, |
| 92 | {PORTSTAT_INFO(tx_unicastframes)}, |
| 93 | {PORTSTAT_INFO(tx_multicastframes)}, |
| 94 | {PORTSTAT_INFO(tx_broadcastframes)}, |
| 95 | {PORTSTAT_INFO(tx_pauseframes)}, |
| 96 | {PORTSTAT_INFO(tx_controlframes)}, |
| 97 | {MISCSTAT_INFO(rx_drops_no_pbuf)}, |
| 98 | {MISCSTAT_INFO(rx_drops_no_txpb)}, |
| 99 | {MISCSTAT_INFO(rx_drops_no_erx_descr)}, |
| 100 | {MISCSTAT_INFO(rx_drops_no_tpre_descr)}, |
| 101 | {MISCSTAT_INFO(rx_drops_too_many_frags)}, |
| 102 | {MISCSTAT_INFO(rx_drops_invalid_ring)}, |
| 103 | {MISCSTAT_INFO(forwarded_packets)}, |
| 104 | {MISCSTAT_INFO(rx_drops_mtu)}, |
| 105 | {ERXSTAT_INFO(rx_drops_no_fragments)}, |
| 106 | }; |
| 107 | #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) |
| 108 | |
| 109 | static void |
| 110 | be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) |
| 111 | { |
| 112 | struct be_adapter *adapter = netdev_priv(netdev); |
| 113 | |
| 114 | strcpy(drvinfo->driver, DRV_NAME); |
| 115 | strcpy(drvinfo->version, DRV_VER); |
| 116 | strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN); |
| 117 | strcpy(drvinfo->bus_info, pci_name(adapter->pdev)); |
| 118 | drvinfo->testinfo_len = 0; |
| 119 | drvinfo->regdump_len = 0; |
| 120 | drvinfo->eedump_len = 0; |
| 121 | } |
| 122 | |
| 123 | static int |
| 124 | be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) |
| 125 | { |
| 126 | struct be_adapter *adapter = netdev_priv(netdev); |
| 127 | struct be_eq_obj *rx_eq = &adapter->rx_eq; |
| 128 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
| 129 | |
| 130 | coalesce->rx_max_coalesced_frames = adapter->max_rx_coal; |
| 131 | |
| 132 | coalesce->rx_coalesce_usecs = rx_eq->cur_eqd; |
| 133 | coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd; |
| 134 | coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd; |
| 135 | |
| 136 | coalesce->tx_coalesce_usecs = tx_eq->cur_eqd; |
| 137 | coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd; |
| 138 | coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd; |
| 139 | |
| 140 | coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic; |
| 141 | coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic; |
| 142 | |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | * This routine is used to set interrup coalescing delay *as well as* |
| 148 | * the number of pkts to coalesce for LRO. |
| 149 | */ |
| 150 | static int |
| 151 | be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) |
| 152 | { |
| 153 | struct be_adapter *adapter = netdev_priv(netdev); |
| 154 | struct be_ctrl_info *ctrl = &adapter->ctrl; |
| 155 | struct be_eq_obj *rx_eq = &adapter->rx_eq; |
| 156 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
| 157 | u32 tx_max, tx_min, tx_cur; |
| 158 | u32 rx_max, rx_min, rx_cur; |
| 159 | int status = 0; |
| 160 | |
| 161 | if (coalesce->use_adaptive_tx_coalesce == 1) |
| 162 | return -EINVAL; |
| 163 | |
| 164 | adapter->max_rx_coal = coalesce->rx_max_coalesced_frames; |
| 165 | if (adapter->max_rx_coal > MAX_SKB_FRAGS) |
| 166 | adapter->max_rx_coal = MAX_SKB_FRAGS - 1; |
| 167 | |
| 168 | /* if AIC is being turned on now, start with an EQD of 0 */ |
| 169 | if (rx_eq->enable_aic == 0 && |
| 170 | coalesce->use_adaptive_rx_coalesce == 1) { |
| 171 | rx_eq->cur_eqd = 0; |
| 172 | } |
| 173 | rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce; |
| 174 | |
| 175 | rx_max = coalesce->rx_coalesce_usecs_high; |
| 176 | rx_min = coalesce->rx_coalesce_usecs_low; |
| 177 | rx_cur = coalesce->rx_coalesce_usecs; |
| 178 | |
| 179 | tx_max = coalesce->tx_coalesce_usecs_high; |
| 180 | tx_min = coalesce->tx_coalesce_usecs_low; |
| 181 | tx_cur = coalesce->tx_coalesce_usecs; |
| 182 | |
| 183 | if (tx_cur > BE_MAX_EQD) |
| 184 | tx_cur = BE_MAX_EQD; |
| 185 | if (tx_eq->cur_eqd != tx_cur) { |
| 186 | status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur); |
| 187 | if (!status) |
| 188 | tx_eq->cur_eqd = tx_cur; |
| 189 | } |
| 190 | |
| 191 | if (rx_eq->enable_aic) { |
| 192 | if (rx_max > BE_MAX_EQD) |
| 193 | rx_max = BE_MAX_EQD; |
| 194 | if (rx_min > rx_max) |
| 195 | rx_min = rx_max; |
| 196 | rx_eq->max_eqd = rx_max; |
| 197 | rx_eq->min_eqd = rx_min; |
| 198 | if (rx_eq->cur_eqd > rx_max) |
| 199 | rx_eq->cur_eqd = rx_max; |
| 200 | if (rx_eq->cur_eqd < rx_min) |
| 201 | rx_eq->cur_eqd = rx_min; |
| 202 | } else { |
| 203 | if (rx_cur > BE_MAX_EQD) |
| 204 | rx_cur = BE_MAX_EQD; |
| 205 | if (rx_eq->cur_eqd != rx_cur) { |
| 206 | status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur); |
| 207 | if (!status) |
| 208 | rx_eq->cur_eqd = rx_cur; |
| 209 | } |
| 210 | } |
| 211 | return 0; |
| 212 | } |
| 213 | |
| 214 | static u32 be_get_rx_csum(struct net_device *netdev) |
| 215 | { |
| 216 | struct be_adapter *adapter = netdev_priv(netdev); |
| 217 | |
| 218 | return adapter->rx_csum; |
| 219 | } |
| 220 | |
| 221 | static int be_set_rx_csum(struct net_device *netdev, uint32_t data) |
| 222 | { |
| 223 | struct be_adapter *adapter = netdev_priv(netdev); |
| 224 | |
| 225 | if (data) |
| 226 | adapter->rx_csum = true; |
| 227 | else |
| 228 | adapter->rx_csum = false; |
| 229 | |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | static void |
| 234 | be_get_ethtool_stats(struct net_device *netdev, |
| 235 | struct ethtool_stats *stats, uint64_t *data) |
| 236 | { |
| 237 | struct be_adapter *adapter = netdev_priv(netdev); |
| 238 | struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats; |
| 239 | struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va); |
| 240 | struct be_rxf_stats *rxf_stats = &hw_stats->rxf; |
| 241 | struct be_port_rxf_stats *port_stats = |
| 242 | &rxf_stats->port[adapter->port_num]; |
| 243 | struct net_device_stats *net_stats = &adapter->stats.net_stats; |
| 244 | struct be_erx_stats *erx_stats = &hw_stats->erx; |
| 245 | void *p = NULL; |
| 246 | int i; |
| 247 | |
| 248 | for (i = 0; i < ETHTOOL_STATS_NUM; i++) { |
| 249 | switch (et_stats[i].type) { |
| 250 | case NETSTAT: |
| 251 | p = net_stats; |
| 252 | break; |
| 253 | case DRVSTAT: |
| 254 | p = drvr_stats; |
| 255 | break; |
| 256 | case PORTSTAT: |
| 257 | p = port_stats; |
| 258 | break; |
| 259 | case MISCSTAT: |
| 260 | p = rxf_stats; |
| 261 | break; |
| 262 | case ERXSTAT: /* Currently only one ERX stat is provided */ |
| 263 | p = (u32 *)erx_stats + adapter->rx_obj.q.id; |
| 264 | break; |
| 265 | } |
| 266 | |
| 267 | p = (u8 *)p + et_stats[i].offset; |
| 268 | data[i] = (et_stats[i].size == sizeof(u64)) ? |
| 269 | *(u64 *)p: *(u32 *)p; |
| 270 | } |
| 271 | |
| 272 | return; |
| 273 | } |
| 274 | |
| 275 | static void |
| 276 | be_get_stat_strings(struct net_device *netdev, uint32_t stringset, |
| 277 | uint8_t *data) |
| 278 | { |
| 279 | int i; |
| 280 | switch (stringset) { |
| 281 | case ETH_SS_STATS: |
| 282 | for (i = 0; i < ETHTOOL_STATS_NUM; i++) { |
| 283 | memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); |
| 284 | data += ETH_GSTRING_LEN; |
| 285 | } |
| 286 | break; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | static int be_get_stats_count(struct net_device *netdev) |
| 291 | { |
| 292 | return ETHTOOL_STATS_NUM; |
| 293 | } |
| 294 | |
| 295 | static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) |
| 296 | { |
| 297 | ecmd->speed = SPEED_10000; |
| 298 | ecmd->duplex = DUPLEX_FULL; |
| 299 | ecmd->autoneg = AUTONEG_DISABLE; |
| 300 | return 0; |
| 301 | } |
| 302 | |
| 303 | static void |
| 304 | be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) |
| 305 | { |
| 306 | struct be_adapter *adapter = netdev_priv(netdev); |
| 307 | |
| 308 | ring->rx_max_pending = adapter->rx_obj.q.len; |
| 309 | ring->tx_max_pending = adapter->tx_obj.q.len; |
| 310 | |
| 311 | ring->rx_pending = atomic_read(&adapter->rx_obj.q.used); |
| 312 | ring->tx_pending = atomic_read(&adapter->tx_obj.q.used); |
| 313 | } |
| 314 | |
| 315 | static void |
| 316 | be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) |
| 317 | { |
| 318 | struct be_adapter *adapter = netdev_priv(netdev); |
| 319 | |
| 320 | be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause, |
| 321 | &ecmd->rx_pause); |
Ajit Khaparde | 03a980d | 2009-04-13 15:41:50 -0700 | [diff] [blame^] | 322 | ecmd->autoneg = 0; |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | static int |
| 326 | be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) |
| 327 | { |
| 328 | struct be_adapter *adapter = netdev_priv(netdev); |
| 329 | int status; |
| 330 | |
Ajit Khaparde | 03a980d | 2009-04-13 15:41:50 -0700 | [diff] [blame^] | 331 | if (ecmd->autoneg != 0) |
Sathya Perla | 6b7c5b9 | 2009-03-11 23:32:03 -0700 | [diff] [blame] | 332 | return -EINVAL; |
| 333 | |
| 334 | status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause, |
| 335 | ecmd->rx_pause); |
| 336 | if (!status) |
| 337 | dev_warn(&adapter->pdev->dev, "Pause param set failed.\n"); |
| 338 | |
| 339 | return status; |
| 340 | } |
| 341 | |
| 342 | struct ethtool_ops be_ethtool_ops = { |
| 343 | .get_settings = be_get_settings, |
| 344 | .get_drvinfo = be_get_drvinfo, |
| 345 | .get_link = ethtool_op_get_link, |
| 346 | .get_coalesce = be_get_coalesce, |
| 347 | .set_coalesce = be_set_coalesce, |
| 348 | .get_ringparam = be_get_ringparam, |
| 349 | .get_pauseparam = be_get_pauseparam, |
| 350 | .set_pauseparam = be_set_pauseparam, |
| 351 | .get_rx_csum = be_get_rx_csum, |
| 352 | .set_rx_csum = be_set_rx_csum, |
| 353 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 354 | .set_tx_csum = ethtool_op_set_tx_csum, |
| 355 | .get_sg = ethtool_op_get_sg, |
| 356 | .set_sg = ethtool_op_set_sg, |
| 357 | .get_tso = ethtool_op_get_tso, |
| 358 | .set_tso = ethtool_op_set_tso, |
| 359 | .get_strings = be_get_stat_strings, |
| 360 | .get_stats_count = be_get_stats_count, |
| 361 | .get_ethtool_stats = be_get_ethtool_stats, |
| 362 | }; |