2 * Copyright (C) 2005 - 2009 ServerEngines
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.
10 * Contact Information:
11 * linux-drivers@serverengines.com
14 * 209 N. Fair Oaks Ave
19 #include <linux/ethtool.h>
21 struct be_ethtool_stat {
22 char desc[ETH_GSTRING_LEN];
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,\
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, \
41 #define ERXSTAT_INFO(field) #field, ERXSTAT,\
42 FIELDINFO(struct be_erx_stats, field)
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)},
107 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
110 be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
112 struct be_adapter *adapter = netdev_priv(netdev);
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;
124 be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
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;
130 coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
131 coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
132 coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;
134 coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
135 coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
136 coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;
138 coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
139 coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;
145 * This routine is used to set interrup coalescing delay
148 be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
150 struct be_adapter *adapter = netdev_priv(netdev);
151 struct be_ctrl_info *ctrl = &adapter->ctrl;
152 struct be_eq_obj *rx_eq = &adapter->rx_eq;
153 struct be_eq_obj *tx_eq = &adapter->tx_eq;
154 u32 tx_max, tx_min, tx_cur;
155 u32 rx_max, rx_min, rx_cur;
158 if (coalesce->use_adaptive_tx_coalesce == 1)
161 /* if AIC is being turned on now, start with an EQD of 0 */
162 if (rx_eq->enable_aic == 0 &&
163 coalesce->use_adaptive_rx_coalesce == 1) {
166 rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;
168 rx_max = coalesce->rx_coalesce_usecs_high;
169 rx_min = coalesce->rx_coalesce_usecs_low;
170 rx_cur = coalesce->rx_coalesce_usecs;
172 tx_max = coalesce->tx_coalesce_usecs_high;
173 tx_min = coalesce->tx_coalesce_usecs_low;
174 tx_cur = coalesce->tx_coalesce_usecs;
176 if (tx_cur > BE_MAX_EQD)
178 if (tx_eq->cur_eqd != tx_cur) {
179 status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur);
181 tx_eq->cur_eqd = tx_cur;
184 if (rx_eq->enable_aic) {
185 if (rx_max > BE_MAX_EQD)
189 rx_eq->max_eqd = rx_max;
190 rx_eq->min_eqd = rx_min;
191 if (rx_eq->cur_eqd > rx_max)
192 rx_eq->cur_eqd = rx_max;
193 if (rx_eq->cur_eqd < rx_min)
194 rx_eq->cur_eqd = rx_min;
196 if (rx_cur > BE_MAX_EQD)
198 if (rx_eq->cur_eqd != rx_cur) {
199 status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur);
201 rx_eq->cur_eqd = rx_cur;
207 static u32 be_get_rx_csum(struct net_device *netdev)
209 struct be_adapter *adapter = netdev_priv(netdev);
211 return adapter->rx_csum;
214 static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
216 struct be_adapter *adapter = netdev_priv(netdev);
219 adapter->rx_csum = true;
221 adapter->rx_csum = false;
227 be_get_ethtool_stats(struct net_device *netdev,
228 struct ethtool_stats *stats, uint64_t *data)
230 struct be_adapter *adapter = netdev_priv(netdev);
231 struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats;
232 struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
233 struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
234 struct be_port_rxf_stats *port_stats =
235 &rxf_stats->port[adapter->port_num];
236 struct net_device_stats *net_stats = &adapter->stats.net_stats;
237 struct be_erx_stats *erx_stats = &hw_stats->erx;
241 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
242 switch (et_stats[i].type) {
255 case ERXSTAT: /* Currently only one ERX stat is provided */
256 p = (u32 *)erx_stats + adapter->rx_obj.q.id;
260 p = (u8 *)p + et_stats[i].offset;
261 data[i] = (et_stats[i].size == sizeof(u64)) ?
262 *(u64 *)p: *(u32 *)p;
269 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
275 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
276 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
277 data += ETH_GSTRING_LEN;
283 static int be_get_stats_count(struct net_device *netdev)
285 return ETHTOOL_STATS_NUM;
288 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
290 ecmd->speed = SPEED_10000;
291 ecmd->duplex = DUPLEX_FULL;
292 ecmd->autoneg = AUTONEG_DISABLE;
297 be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
299 struct be_adapter *adapter = netdev_priv(netdev);
301 ring->rx_max_pending = adapter->rx_obj.q.len;
302 ring->tx_max_pending = adapter->tx_obj.q.len;
304 ring->rx_pending = atomic_read(&adapter->rx_obj.q.used);
305 ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
309 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
311 struct be_adapter *adapter = netdev_priv(netdev);
313 be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause,
319 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
321 struct be_adapter *adapter = netdev_priv(netdev);
324 if (ecmd->autoneg != 0)
327 status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause,
330 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
335 struct ethtool_ops be_ethtool_ops = {
336 .get_settings = be_get_settings,
337 .get_drvinfo = be_get_drvinfo,
338 .get_link = ethtool_op_get_link,
339 .get_coalesce = be_get_coalesce,
340 .set_coalesce = be_set_coalesce,
341 .get_ringparam = be_get_ringparam,
342 .get_pauseparam = be_get_pauseparam,
343 .set_pauseparam = be_set_pauseparam,
344 .get_rx_csum = be_get_rx_csum,
345 .set_rx_csum = be_set_rx_csum,
346 .get_tx_csum = ethtool_op_get_tx_csum,
347 .set_tx_csum = ethtool_op_set_tx_csum,
348 .get_sg = ethtool_op_get_sg,
349 .set_sg = ethtool_op_set_sg,
350 .get_tso = ethtool_op_get_tso,
351 .set_tso = ethtool_op_set_tso,
352 .get_strings = be_get_stat_strings,
353 .get_stats_count = be_get_stats_count,
354 .get_ethtool_stats = be_get_ethtool_stats,