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6b7c5b94 SP |
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 | ||
6b7c5b94 SP |
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; | |
133 | ||
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; | |
137 | ||
138 | coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic; | |
139 | coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic; | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | /* | |
5be93b9a | 145 | * This routine is used to set interrup coalescing delay |
6b7c5b94 SP |
146 | */ |
147 | static int | |
148 | be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce) | |
149 | { | |
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; | |
156 | int status = 0; | |
157 | ||
158 | if (coalesce->use_adaptive_tx_coalesce == 1) | |
159 | return -EINVAL; | |
160 | ||
6b7c5b94 SP |
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) { | |
164 | rx_eq->cur_eqd = 0; | |
165 | } | |
166 | rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce; | |
167 | ||
168 | rx_max = coalesce->rx_coalesce_usecs_high; | |
169 | rx_min = coalesce->rx_coalesce_usecs_low; | |
170 | rx_cur = coalesce->rx_coalesce_usecs; | |
171 | ||
172 | tx_max = coalesce->tx_coalesce_usecs_high; | |
173 | tx_min = coalesce->tx_coalesce_usecs_low; | |
174 | tx_cur = coalesce->tx_coalesce_usecs; | |
175 | ||
176 | if (tx_cur > BE_MAX_EQD) | |
177 | 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); | |
180 | if (!status) | |
181 | tx_eq->cur_eqd = tx_cur; | |
182 | } | |
183 | ||
184 | if (rx_eq->enable_aic) { | |
185 | if (rx_max > BE_MAX_EQD) | |
186 | rx_max = BE_MAX_EQD; | |
187 | if (rx_min > rx_max) | |
188 | rx_min = rx_max; | |
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; | |
195 | } else { | |
196 | if (rx_cur > BE_MAX_EQD) | |
197 | 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); | |
200 | if (!status) | |
201 | rx_eq->cur_eqd = rx_cur; | |
202 | } | |
203 | } | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static u32 be_get_rx_csum(struct net_device *netdev) | |
208 | { | |
209 | struct be_adapter *adapter = netdev_priv(netdev); | |
210 | ||
211 | return adapter->rx_csum; | |
212 | } | |
213 | ||
214 | static int be_set_rx_csum(struct net_device *netdev, uint32_t data) | |
215 | { | |
216 | struct be_adapter *adapter = netdev_priv(netdev); | |
217 | ||
218 | if (data) | |
219 | adapter->rx_csum = true; | |
220 | else | |
221 | adapter->rx_csum = false; | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
226 | static void | |
227 | be_get_ethtool_stats(struct net_device *netdev, | |
228 | struct ethtool_stats *stats, uint64_t *data) | |
229 | { | |
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; | |
238 | void *p = NULL; | |
239 | int i; | |
240 | ||
241 | for (i = 0; i < ETHTOOL_STATS_NUM; i++) { | |
242 | switch (et_stats[i].type) { | |
243 | case NETSTAT: | |
244 | p = net_stats; | |
245 | break; | |
246 | case DRVSTAT: | |
247 | p = drvr_stats; | |
248 | break; | |
249 | case PORTSTAT: | |
250 | p = port_stats; | |
251 | break; | |
252 | case MISCSTAT: | |
253 | p = rxf_stats; | |
254 | break; | |
255 | case ERXSTAT: /* Currently only one ERX stat is provided */ | |
256 | p = (u32 *)erx_stats + adapter->rx_obj.q.id; | |
257 | break; | |
258 | } | |
259 | ||
260 | p = (u8 *)p + et_stats[i].offset; | |
261 | data[i] = (et_stats[i].size == sizeof(u64)) ? | |
262 | *(u64 *)p: *(u32 *)p; | |
263 | } | |
264 | ||
265 | return; | |
266 | } | |
267 | ||
268 | static void | |
269 | be_get_stat_strings(struct net_device *netdev, uint32_t stringset, | |
270 | uint8_t *data) | |
271 | { | |
272 | int i; | |
273 | switch (stringset) { | |
274 | case ETH_SS_STATS: | |
275 | for (i = 0; i < ETHTOOL_STATS_NUM; i++) { | |
276 | memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN); | |
277 | data += ETH_GSTRING_LEN; | |
278 | } | |
279 | break; | |
280 | } | |
281 | } | |
282 | ||
283 | static int be_get_stats_count(struct net_device *netdev) | |
284 | { | |
285 | return ETHTOOL_STATS_NUM; | |
286 | } | |
287 | ||
288 | static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
289 | { | |
290 | ecmd->speed = SPEED_10000; | |
291 | ecmd->duplex = DUPLEX_FULL; | |
292 | ecmd->autoneg = AUTONEG_DISABLE; | |
293 | return 0; | |
294 | } | |
295 | ||
296 | static void | |
297 | be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) | |
298 | { | |
299 | struct be_adapter *adapter = netdev_priv(netdev); | |
300 | ||
301 | ring->rx_max_pending = adapter->rx_obj.q.len; | |
302 | ring->tx_max_pending = adapter->tx_obj.q.len; | |
303 | ||
304 | ring->rx_pending = atomic_read(&adapter->rx_obj.q.used); | |
305 | ring->tx_pending = atomic_read(&adapter->tx_obj.q.used); | |
306 | } | |
307 | ||
308 | static void | |
309 | be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) | |
310 | { | |
311 | struct be_adapter *adapter = netdev_priv(netdev); | |
312 | ||
313 | be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause, | |
314 | &ecmd->rx_pause); | |
03a980d1 | 315 | ecmd->autoneg = 0; |
6b7c5b94 SP |
316 | } |
317 | ||
318 | static int | |
319 | be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd) | |
320 | { | |
321 | struct be_adapter *adapter = netdev_priv(netdev); | |
322 | int status; | |
323 | ||
03a980d1 | 324 | if (ecmd->autoneg != 0) |
6b7c5b94 SP |
325 | return -EINVAL; |
326 | ||
327 | status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause, | |
328 | ecmd->rx_pause); | |
329 | if (!status) | |
330 | dev_warn(&adapter->pdev->dev, "Pause param set failed.\n"); | |
331 | ||
332 | return status; | |
333 | } | |
334 | ||
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, | |
355 | }; |