| /* |
| * Copyright (C) 2005 - 2009 ServerEngines |
| * All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License version 2 |
| * as published by the Free Software Foundation. The full GNU General |
| * Public License is included in this distribution in the file called COPYING. |
| * |
| * Contact Information: |
| * linux-drivers@serverengines.com |
| * |
| * ServerEngines |
| * 209 N. Fair Oaks Ave |
| * Sunnyvale, CA 94085 |
| */ |
| |
| #include "be.h" |
| #include <linux/ethtool.h> |
| |
| struct be_ethtool_stat { |
| char desc[ETH_GSTRING_LEN]; |
| int type; |
| int size; |
| int offset; |
| }; |
| |
| enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT}; |
| #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \ |
| offsetof(_struct, field) |
| #define NETSTAT_INFO(field) #field, NETSTAT,\ |
| FIELDINFO(struct net_device_stats,\ |
| field) |
| #define DRVSTAT_INFO(field) #field, DRVSTAT,\ |
| FIELDINFO(struct be_drvr_stats, field) |
| #define MISCSTAT_INFO(field) #field, MISCSTAT,\ |
| FIELDINFO(struct be_rxf_stats, field) |
| #define PORTSTAT_INFO(field) #field, PORTSTAT,\ |
| FIELDINFO(struct be_port_rxf_stats, \ |
| field) |
| #define ERXSTAT_INFO(field) #field, ERXSTAT,\ |
| FIELDINFO(struct be_erx_stats, field) |
| |
| static const struct be_ethtool_stat et_stats[] = { |
| {NETSTAT_INFO(rx_packets)}, |
| {NETSTAT_INFO(tx_packets)}, |
| {NETSTAT_INFO(rx_bytes)}, |
| {NETSTAT_INFO(tx_bytes)}, |
| {NETSTAT_INFO(rx_errors)}, |
| {NETSTAT_INFO(tx_errors)}, |
| {NETSTAT_INFO(rx_dropped)}, |
| {NETSTAT_INFO(tx_dropped)}, |
| {DRVSTAT_INFO(be_tx_reqs)}, |
| {DRVSTAT_INFO(be_tx_stops)}, |
| {DRVSTAT_INFO(be_fwd_reqs)}, |
| {DRVSTAT_INFO(be_tx_wrbs)}, |
| {DRVSTAT_INFO(be_polls)}, |
| {DRVSTAT_INFO(be_tx_events)}, |
| {DRVSTAT_INFO(be_rx_events)}, |
| {DRVSTAT_INFO(be_tx_compl)}, |
| {DRVSTAT_INFO(be_rx_compl)}, |
| {DRVSTAT_INFO(be_ethrx_post_fail)}, |
| {DRVSTAT_INFO(be_802_3_dropped_frames)}, |
| {DRVSTAT_INFO(be_802_3_malformed_frames)}, |
| {DRVSTAT_INFO(be_tx_rate)}, |
| {DRVSTAT_INFO(be_rx_rate)}, |
| {PORTSTAT_INFO(rx_unicast_frames)}, |
| {PORTSTAT_INFO(rx_multicast_frames)}, |
| {PORTSTAT_INFO(rx_broadcast_frames)}, |
| {PORTSTAT_INFO(rx_crc_errors)}, |
| {PORTSTAT_INFO(rx_alignment_symbol_errors)}, |
| {PORTSTAT_INFO(rx_pause_frames)}, |
| {PORTSTAT_INFO(rx_control_frames)}, |
| {PORTSTAT_INFO(rx_in_range_errors)}, |
| {PORTSTAT_INFO(rx_out_range_errors)}, |
| {PORTSTAT_INFO(rx_frame_too_long)}, |
| {PORTSTAT_INFO(rx_address_match_errors)}, |
| {PORTSTAT_INFO(rx_vlan_mismatch)}, |
| {PORTSTAT_INFO(rx_dropped_too_small)}, |
| {PORTSTAT_INFO(rx_dropped_too_short)}, |
| {PORTSTAT_INFO(rx_dropped_header_too_small)}, |
| {PORTSTAT_INFO(rx_dropped_tcp_length)}, |
| {PORTSTAT_INFO(rx_dropped_runt)}, |
| {PORTSTAT_INFO(rx_fifo_overflow)}, |
| {PORTSTAT_INFO(rx_input_fifo_overflow)}, |
| {PORTSTAT_INFO(rx_ip_checksum_errs)}, |
| {PORTSTAT_INFO(rx_tcp_checksum_errs)}, |
| {PORTSTAT_INFO(rx_udp_checksum_errs)}, |
| {PORTSTAT_INFO(rx_non_rss_packets)}, |
| {PORTSTAT_INFO(rx_ipv4_packets)}, |
| {PORTSTAT_INFO(rx_ipv6_packets)}, |
| {PORTSTAT_INFO(tx_unicastframes)}, |
| {PORTSTAT_INFO(tx_multicastframes)}, |
| {PORTSTAT_INFO(tx_broadcastframes)}, |
| {PORTSTAT_INFO(tx_pauseframes)}, |
| {PORTSTAT_INFO(tx_controlframes)}, |
| {MISCSTAT_INFO(rx_drops_no_pbuf)}, |
| {MISCSTAT_INFO(rx_drops_no_txpb)}, |
| {MISCSTAT_INFO(rx_drops_no_erx_descr)}, |
| {MISCSTAT_INFO(rx_drops_no_tpre_descr)}, |
| {MISCSTAT_INFO(rx_drops_too_many_frags)}, |
| {MISCSTAT_INFO(rx_drops_invalid_ring)}, |
| {MISCSTAT_INFO(forwarded_packets)}, |
| {MISCSTAT_INFO(rx_drops_mtu)}, |
| {ERXSTAT_INFO(rx_drops_no_fragments)}, |
| }; |
| #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) |
| |
| static void |
| be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| |
| strcpy(drvinfo->driver, DRV_NAME); |
| strcpy(drvinfo->version, DRV_VER); |
| strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN); |
| strcpy(drvinfo->bus_info, pci_name(adapter->pdev)); |
| drvinfo->testinfo_len = 0; |
| drvinfo->regdump_len = 0; |
| drvinfo->eedump_len = 0; |
| } |
| |
| static int |
| be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| struct be_eq_obj *rx_eq = &adapter->rx_eq; |
| struct be_eq_obj *tx_eq = &adapter->tx_eq; |
| |
| coalesce->rx_max_coalesced_frames = adapter->max_rx_coal; |
| |
| coalesce->rx_coalesce_usecs = rx_eq->cur_eqd; |
| coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd; |
| coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd; |
| |
| coalesce->tx_coalesce_usecs = tx_eq->cur_eqd; |
| coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd; |
| coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd; |
| |
| coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic; |
| coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic; |
| |
| return 0; |
| } |
| |
| /* |
| * This routine is used to set interrup coalescing delay *as well as* |
| * the number of pkts to coalesce for LRO. |
| */ |
| static int |
| be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| struct be_ctrl_info *ctrl = &adapter->ctrl; |
| struct be_eq_obj *rx_eq = &adapter->rx_eq; |
| struct be_eq_obj *tx_eq = &adapter->tx_eq; |
| u32 tx_max, tx_min, tx_cur; |
| u32 rx_max, rx_min, rx_cur; |
| int status = 0; |
| |
| if (coalesce->use_adaptive_tx_coalesce == 1) |
| return -EINVAL; |
| |
| adapter->max_rx_coal = coalesce->rx_max_coalesced_frames; |
| if (adapter->max_rx_coal > BE_MAX_FRAGS_PER_FRAME) |
| adapter->max_rx_coal = BE_MAX_FRAGS_PER_FRAME; |
| |
| /* if AIC is being turned on now, start with an EQD of 0 */ |
| if (rx_eq->enable_aic == 0 && |
| coalesce->use_adaptive_rx_coalesce == 1) { |
| rx_eq->cur_eqd = 0; |
| } |
| rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce; |
| |
| rx_max = coalesce->rx_coalesce_usecs_high; |
| rx_min = coalesce->rx_coalesce_usecs_low; |
| rx_cur = coalesce->rx_coalesce_usecs; |
| |
| tx_max = coalesce->tx_coalesce_usecs_high; |
| tx_min = coalesce->tx_coalesce_usecs_low; |
| tx_cur = coalesce->tx_coalesce_usecs; |
| |
| if (tx_cur > BE_MAX_EQD) |
| tx_cur = BE_MAX_EQD; |
| if (tx_eq->cur_eqd != tx_cur) { |
| status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur); |
| if (!status) |
| tx_eq->cur_eqd = tx_cur; |
| } |
| |
| if (rx_eq->enable_aic) { |
| if (rx_max > BE_MAX_EQD) |
| rx_max = BE_MAX_EQD; |
| if (rx_min > rx_max) |
| rx_min = rx_max; |
| rx_eq->max_eqd = rx_max; |
| rx_eq->min_eqd = rx_min; |
| if (rx_eq->cur_eqd > rx_max) |
| rx_eq->cur_eqd = rx_max; |
| if (rx_eq->cur_eqd < rx_min) |
| rx_eq->cur_eqd = rx_min; |
| } else { |
| if (rx_cur > BE_MAX_EQD) |
| rx_cur = BE_MAX_EQD; |
| if (rx_eq->cur_eqd != rx_cur) { |
| status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur); |
| if (!status) |
| rx_eq->cur_eqd = rx_cur; |
| } |
| } |
| return 0; |
| } |
| |
| static u32 be_get_rx_csum(struct net_device *netdev) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| |
| return adapter->rx_csum; |
| } |
| |
| static int be_set_rx_csum(struct net_device *netdev, uint32_t data) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| |
| if (data) |
| adapter->rx_csum = true; |
| else |
| adapter->rx_csum = false; |
| |
| return 0; |
| } |
| |
| static void |
| be_get_ethtool_stats(struct net_device *netdev, |
| struct ethtool_stats *stats, uint64_t *data) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats; |
| struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va); |
| struct be_rxf_stats *rxf_stats = &hw_stats->rxf; |
| struct be_port_rxf_stats *port_stats = |
| &rxf_stats->port[adapter->port_num]; |
| struct net_device_stats *net_stats = &adapter->stats.net_stats; |
| struct be_erx_stats *erx_stats = &hw_stats->erx; |
| void *p = NULL; |
| int i; |
| |
| for (i = 0; i < ETHTOOL_STATS_NUM; i++) { |
| switch (et_stats[i].type) { |
| case NETSTAT: |
| p = net_stats; |
| break; |
| case DRVSTAT: |
| p = drvr_stats; |
| break; |
| case PORTSTAT: |
| p = port_stats; |
| break; |
| case MISCSTAT: |
| p = rxf_stats; |
| break; |
| case ERXSTAT: /* Currently only one ERX stat is provided */ |
| p = (u32 *)erx_stats + adapter->rx_obj.q.id; |
| break; |
| } |
| |
| p = (u8 *)p + et_stats[i].offset; |
| data[i] = (et_stats[i].size == sizeof(u64)) ? |
| *(u64 *)p: *(u32 *)p; |
| } |
| |
| return; |
| } |
| |
| static void |
| be_get_stat_strings(struct net_device *netdev, uint32_t stringset, |
| uint8_t *data) |
| { |
| int i; |
| switch (stringset) { |
| case ETH_SS_STATS: |
| for (i = 0; i < ETHTOOL_STATS_NUM; i++) { |
| memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); |
| data += ETH_GSTRING_LEN; |
| } |
| break; |
| } |
| } |
| |
| static int be_get_stats_count(struct net_device *netdev) |
| { |
| return ETHTOOL_STATS_NUM; |
| } |
| |
| static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) |
| { |
| ecmd->speed = SPEED_10000; |
| ecmd->duplex = DUPLEX_FULL; |
| ecmd->autoneg = AUTONEG_DISABLE; |
| return 0; |
| } |
| |
| static void |
| be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| |
| ring->rx_max_pending = adapter->rx_obj.q.len; |
| ring->tx_max_pending = adapter->tx_obj.q.len; |
| |
| ring->rx_pending = atomic_read(&adapter->rx_obj.q.used); |
| ring->tx_pending = atomic_read(&adapter->tx_obj.q.used); |
| } |
| |
| static void |
| be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| |
| be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause, |
| &ecmd->rx_pause); |
| ecmd->autoneg = 0; |
| } |
| |
| static int |
| be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) |
| { |
| struct be_adapter *adapter = netdev_priv(netdev); |
| int status; |
| |
| if (ecmd->autoneg != 0) |
| return -EINVAL; |
| |
| status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause, |
| ecmd->rx_pause); |
| if (!status) |
| dev_warn(&adapter->pdev->dev, "Pause param set failed.\n"); |
| |
| return status; |
| } |
| |
| struct ethtool_ops be_ethtool_ops = { |
| .get_settings = be_get_settings, |
| .get_drvinfo = be_get_drvinfo, |
| .get_link = ethtool_op_get_link, |
| .get_coalesce = be_get_coalesce, |
| .set_coalesce = be_set_coalesce, |
| .get_ringparam = be_get_ringparam, |
| .get_pauseparam = be_get_pauseparam, |
| .set_pauseparam = be_set_pauseparam, |
| .get_rx_csum = be_get_rx_csum, |
| .set_rx_csum = be_set_rx_csum, |
| .get_tx_csum = ethtool_op_get_tx_csum, |
| .set_tx_csum = ethtool_op_set_tx_csum, |
| .get_sg = ethtool_op_get_sg, |
| .set_sg = ethtool_op_set_sg, |
| .get_tso = ethtool_op_get_tso, |
| .set_tso = ethtool_op_set_tso, |
| .get_strings = be_get_stat_strings, |
| .get_stats_count = be_get_stats_count, |
| .get_ethtool_stats = be_get_ethtool_stats, |
| }; |