1 /*
2 * Copyright(c) 2017 Intel Corporation.
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * BSD LICENSE
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 *
24 * - Redistributions of source code must retain the above copyright
25 * notice, this list of conditions and the following disclaimer.
26 * - Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in
28 * the documentation and/or other materials provided with the
29 * distribution.
30 * - Neither the name of Intel Corporation nor the names of its
31 * contributors may be used to endorse or promote products derived
32 * from this software without specific prior written permission.
33 *
34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
37 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 *
46 */
47
48 /*
49 * This file contains OPA VNIC EMA Interface functions.
50 */
51
52 #include "opa_vnic_internal.h"
53
54 /**
55 * opa_vnic_vema_report_event - sent trap to report the specified event
56 * @adapter: vnic port adapter
57 * @event: event to be reported
58 *
59 * This function calls vema api to sent a trap for the given event.
60 */
opa_vnic_vema_report_event(struct opa_vnic_adapter * adapter,u8 event)61 void opa_vnic_vema_report_event(struct opa_vnic_adapter *adapter, u8 event)
62 {
63 struct __opa_veswport_info *info = &adapter->info;
64 struct __opa_veswport_trap trap_data;
65
66 trap_data.fabric_id = info->vesw.fabric_id;
67 trap_data.veswid = info->vesw.vesw_id;
68 trap_data.veswportnum = info->vport.port_num;
69 trap_data.opaportnum = adapter->port_num;
70 trap_data.veswportindex = adapter->vport_num;
71 trap_data.opcode = event;
72
73 opa_vnic_vema_send_trap(adapter, &trap_data, info->vport.encap_slid);
74 }
75
76 /**
77 * opa_vnic_get_summary_counters - get summary counters
78 * @adapter: vnic port adapter
79 * @cntrs: pointer to destination summary counters structure
80 *
81 * This function populates the summary counters that is maintained by the
82 * given adapter to destination address provided.
83 */
opa_vnic_get_summary_counters(struct opa_vnic_adapter * adapter,struct opa_veswport_summary_counters * cntrs)84 void opa_vnic_get_summary_counters(struct opa_vnic_adapter *adapter,
85 struct opa_veswport_summary_counters *cntrs)
86 {
87 struct opa_vnic_stats vstats;
88 __be64 *dst;
89 u64 *src;
90
91 memset(&vstats, 0, sizeof(vstats));
92 spin_lock(&adapter->stats_lock);
93 adapter->rn_ops->ndo_get_stats64(adapter->netdev, &vstats.netstats);
94 spin_unlock(&adapter->stats_lock);
95
96 cntrs->vp_instance = cpu_to_be16(adapter->vport_num);
97 cntrs->vesw_id = cpu_to_be16(adapter->info.vesw.vesw_id);
98 cntrs->veswport_num = cpu_to_be32(adapter->port_num);
99
100 cntrs->tx_errors = cpu_to_be64(vstats.netstats.tx_errors);
101 cntrs->rx_errors = cpu_to_be64(vstats.netstats.rx_errors);
102 cntrs->tx_packets = cpu_to_be64(vstats.netstats.tx_packets);
103 cntrs->rx_packets = cpu_to_be64(vstats.netstats.rx_packets);
104 cntrs->tx_bytes = cpu_to_be64(vstats.netstats.tx_bytes);
105 cntrs->rx_bytes = cpu_to_be64(vstats.netstats.rx_bytes);
106
107 /*
108 * This loop depends on layout of
109 * opa_veswport_summary_counters opa_vnic_stats structures.
110 */
111 for (dst = &cntrs->tx_unicast, src = &vstats.tx_grp.unicast;
112 dst < &cntrs->reserved[0]; dst++, src++) {
113 *dst = cpu_to_be64(*src);
114 }
115 }
116
117 /**
118 * opa_vnic_get_error_counters - get error counters
119 * @adapter: vnic port adapter
120 * @cntrs: pointer to destination error counters structure
121 *
122 * This function populates the error counters that is maintained by the
123 * given adapter to destination address provided.
124 */
opa_vnic_get_error_counters(struct opa_vnic_adapter * adapter,struct opa_veswport_error_counters * cntrs)125 void opa_vnic_get_error_counters(struct opa_vnic_adapter *adapter,
126 struct opa_veswport_error_counters *cntrs)
127 {
128 struct opa_vnic_stats vstats;
129
130 memset(&vstats, 0, sizeof(vstats));
131 spin_lock(&adapter->stats_lock);
132 adapter->rn_ops->ndo_get_stats64(adapter->netdev, &vstats.netstats);
133 spin_unlock(&adapter->stats_lock);
134
135 cntrs->vp_instance = cpu_to_be16(adapter->vport_num);
136 cntrs->vesw_id = cpu_to_be16(adapter->info.vesw.vesw_id);
137 cntrs->veswport_num = cpu_to_be32(adapter->port_num);
138
139 cntrs->tx_errors = cpu_to_be64(vstats.netstats.tx_errors);
140 cntrs->rx_errors = cpu_to_be64(vstats.netstats.rx_errors);
141 cntrs->tx_dlid_zero = cpu_to_be64(vstats.tx_dlid_zero);
142 cntrs->tx_drop_state = cpu_to_be64(vstats.tx_drop_state);
143 cntrs->tx_logic = cpu_to_be64(vstats.netstats.tx_fifo_errors +
144 vstats.netstats.tx_carrier_errors);
145
146 cntrs->rx_bad_veswid = cpu_to_be64(vstats.netstats.rx_nohandler);
147 cntrs->rx_runt = cpu_to_be64(vstats.rx_runt);
148 cntrs->rx_oversize = cpu_to_be64(vstats.rx_oversize);
149 cntrs->rx_drop_state = cpu_to_be64(vstats.rx_drop_state);
150 cntrs->rx_logic = cpu_to_be64(vstats.netstats.rx_fifo_errors);
151 }
152
153 /**
154 * opa_vnic_get_vesw_info -- Get the vesw information
155 * @adapter: vnic port adapter
156 * @info: pointer to destination vesw info structure
157 *
158 * This function copies the vesw info that is maintained by the
159 * given adapter to destination address provided.
160 */
opa_vnic_get_vesw_info(struct opa_vnic_adapter * adapter,struct opa_vesw_info * info)161 void opa_vnic_get_vesw_info(struct opa_vnic_adapter *adapter,
162 struct opa_vesw_info *info)
163 {
164 struct __opa_vesw_info *src = &adapter->info.vesw;
165 int i;
166
167 info->fabric_id = cpu_to_be16(src->fabric_id);
168 info->vesw_id = cpu_to_be16(src->vesw_id);
169 memcpy(info->rsvd0, src->rsvd0, ARRAY_SIZE(src->rsvd0));
170 info->def_port_mask = cpu_to_be16(src->def_port_mask);
171 memcpy(info->rsvd1, src->rsvd1, ARRAY_SIZE(src->rsvd1));
172 info->pkey = cpu_to_be16(src->pkey);
173
174 memcpy(info->rsvd2, src->rsvd2, ARRAY_SIZE(src->rsvd2));
175 info->u_mcast_dlid = cpu_to_be32(src->u_mcast_dlid);
176 for (i = 0; i < OPA_VESW_MAX_NUM_DEF_PORT; i++)
177 info->u_ucast_dlid[i] = cpu_to_be32(src->u_ucast_dlid[i]);
178
179 info->rc = cpu_to_be32(src->rc);
180
181 memcpy(info->rsvd3, src->rsvd3, ARRAY_SIZE(src->rsvd3));
182 info->eth_mtu = cpu_to_be16(src->eth_mtu);
183 memcpy(info->rsvd4, src->rsvd4, ARRAY_SIZE(src->rsvd4));
184 }
185
186 /**
187 * opa_vnic_set_vesw_info -- Set the vesw information
188 * @adapter: vnic port adapter
189 * @info: pointer to vesw info structure
190 *
191 * This function updates the vesw info that is maintained by the
192 * given adapter with vesw info provided. Reserved fields are stored
193 * and returned back to EM as is.
194 */
opa_vnic_set_vesw_info(struct opa_vnic_adapter * adapter,struct opa_vesw_info * info)195 void opa_vnic_set_vesw_info(struct opa_vnic_adapter *adapter,
196 struct opa_vesw_info *info)
197 {
198 struct __opa_vesw_info *dst = &adapter->info.vesw;
199 int i;
200
201 dst->fabric_id = be16_to_cpu(info->fabric_id);
202 dst->vesw_id = be16_to_cpu(info->vesw_id);
203 memcpy(dst->rsvd0, info->rsvd0, ARRAY_SIZE(info->rsvd0));
204 dst->def_port_mask = be16_to_cpu(info->def_port_mask);
205 memcpy(dst->rsvd1, info->rsvd1, ARRAY_SIZE(info->rsvd1));
206 dst->pkey = be16_to_cpu(info->pkey);
207
208 memcpy(dst->rsvd2, info->rsvd2, ARRAY_SIZE(info->rsvd2));
209 dst->u_mcast_dlid = be32_to_cpu(info->u_mcast_dlid);
210 for (i = 0; i < OPA_VESW_MAX_NUM_DEF_PORT; i++)
211 dst->u_ucast_dlid[i] = be32_to_cpu(info->u_ucast_dlid[i]);
212
213 dst->rc = be32_to_cpu(info->rc);
214
215 memcpy(dst->rsvd3, info->rsvd3, ARRAY_SIZE(info->rsvd3));
216 dst->eth_mtu = be16_to_cpu(info->eth_mtu);
217 memcpy(dst->rsvd4, info->rsvd4, ARRAY_SIZE(info->rsvd4));
218 }
219
220 /**
221 * opa_vnic_get_per_veswport_info -- Get the vesw per port information
222 * @adapter: vnic port adapter
223 * @info: pointer to destination vport info structure
224 *
225 * This function copies the vesw per port info that is maintained by the
226 * given adapter to destination address provided.
227 * Note that the read only fields are not copied.
228 */
opa_vnic_get_per_veswport_info(struct opa_vnic_adapter * adapter,struct opa_per_veswport_info * info)229 void opa_vnic_get_per_veswport_info(struct opa_vnic_adapter *adapter,
230 struct opa_per_veswport_info *info)
231 {
232 struct __opa_per_veswport_info *src = &adapter->info.vport;
233
234 info->port_num = cpu_to_be32(src->port_num);
235 info->eth_link_status = src->eth_link_status;
236 memcpy(info->rsvd0, src->rsvd0, ARRAY_SIZE(src->rsvd0));
237
238 memcpy(info->base_mac_addr, src->base_mac_addr,
239 ARRAY_SIZE(info->base_mac_addr));
240 info->config_state = src->config_state;
241 info->oper_state = src->oper_state;
242 info->max_mac_tbl_ent = cpu_to_be16(src->max_mac_tbl_ent);
243 info->max_smac_ent = cpu_to_be16(src->max_smac_ent);
244 info->mac_tbl_digest = cpu_to_be32(src->mac_tbl_digest);
245 memcpy(info->rsvd1, src->rsvd1, ARRAY_SIZE(src->rsvd1));
246
247 info->encap_slid = cpu_to_be32(src->encap_slid);
248 memcpy(info->pcp_to_sc_uc, src->pcp_to_sc_uc,
249 ARRAY_SIZE(info->pcp_to_sc_uc));
250 memcpy(info->pcp_to_vl_uc, src->pcp_to_vl_uc,
251 ARRAY_SIZE(info->pcp_to_vl_uc));
252 memcpy(info->pcp_to_sc_mc, src->pcp_to_sc_mc,
253 ARRAY_SIZE(info->pcp_to_sc_mc));
254 memcpy(info->pcp_to_vl_mc, src->pcp_to_vl_mc,
255 ARRAY_SIZE(info->pcp_to_vl_mc));
256 info->non_vlan_sc_uc = src->non_vlan_sc_uc;
257 info->non_vlan_vl_uc = src->non_vlan_vl_uc;
258 info->non_vlan_sc_mc = src->non_vlan_sc_mc;
259 info->non_vlan_vl_mc = src->non_vlan_vl_mc;
260 memcpy(info->rsvd2, src->rsvd2, ARRAY_SIZE(src->rsvd2));
261
262 info->uc_macs_gen_count = cpu_to_be16(src->uc_macs_gen_count);
263 info->mc_macs_gen_count = cpu_to_be16(src->mc_macs_gen_count);
264 memcpy(info->rsvd3, src->rsvd3, ARRAY_SIZE(src->rsvd3));
265 }
266
267 /**
268 * opa_vnic_set_per_veswport_info -- Set vesw per port information
269 * @adapter: vnic port adapter
270 * @info: pointer to vport info structure
271 *
272 * This function updates the vesw per port info that is maintained by the
273 * given adapter with vesw per port info provided. Reserved fields are
274 * stored and returned back to EM as is.
275 */
opa_vnic_set_per_veswport_info(struct opa_vnic_adapter * adapter,struct opa_per_veswport_info * info)276 void opa_vnic_set_per_veswport_info(struct opa_vnic_adapter *adapter,
277 struct opa_per_veswport_info *info)
278 {
279 struct __opa_per_veswport_info *dst = &adapter->info.vport;
280
281 dst->port_num = be32_to_cpu(info->port_num);
282 memcpy(dst->rsvd0, info->rsvd0, ARRAY_SIZE(info->rsvd0));
283
284 memcpy(dst->base_mac_addr, info->base_mac_addr,
285 ARRAY_SIZE(dst->base_mac_addr));
286 dst->config_state = info->config_state;
287 memcpy(dst->rsvd1, info->rsvd1, ARRAY_SIZE(info->rsvd1));
288
289 dst->encap_slid = be32_to_cpu(info->encap_slid);
290 memcpy(dst->pcp_to_sc_uc, info->pcp_to_sc_uc,
291 ARRAY_SIZE(dst->pcp_to_sc_uc));
292 memcpy(dst->pcp_to_vl_uc, info->pcp_to_vl_uc,
293 ARRAY_SIZE(dst->pcp_to_vl_uc));
294 memcpy(dst->pcp_to_sc_mc, info->pcp_to_sc_mc,
295 ARRAY_SIZE(dst->pcp_to_sc_mc));
296 memcpy(dst->pcp_to_vl_mc, info->pcp_to_vl_mc,
297 ARRAY_SIZE(dst->pcp_to_vl_mc));
298 dst->non_vlan_sc_uc = info->non_vlan_sc_uc;
299 dst->non_vlan_vl_uc = info->non_vlan_vl_uc;
300 dst->non_vlan_sc_mc = info->non_vlan_sc_mc;
301 dst->non_vlan_vl_mc = info->non_vlan_vl_mc;
302 memcpy(dst->rsvd2, info->rsvd2, ARRAY_SIZE(info->rsvd2));
303 memcpy(dst->rsvd3, info->rsvd3, ARRAY_SIZE(info->rsvd3));
304 }
305
306 /**
307 * opa_vnic_query_mcast_macs - query multicast mac list
308 * @adapter: vnic port adapter
309 * @macs: pointer mac list
310 *
311 * This function populates the provided mac list with the configured
312 * multicast addresses in the adapter.
313 */
opa_vnic_query_mcast_macs(struct opa_vnic_adapter * adapter,struct opa_veswport_iface_macs * macs)314 void opa_vnic_query_mcast_macs(struct opa_vnic_adapter *adapter,
315 struct opa_veswport_iface_macs *macs)
316 {
317 u16 start_idx, num_macs, idx = 0, count = 0;
318 struct netdev_hw_addr *ha;
319
320 start_idx = be16_to_cpu(macs->start_idx);
321 num_macs = be16_to_cpu(macs->num_macs_in_msg);
322 netdev_for_each_mc_addr(ha, adapter->netdev) {
323 struct opa_vnic_iface_mac_entry *entry = &macs->entry[count];
324
325 if (start_idx > idx++)
326 continue;
327 else if (num_macs == count)
328 break;
329 memcpy(entry, ha->addr, sizeof(*entry));
330 count++;
331 }
332
333 macs->tot_macs_in_lst = cpu_to_be16(netdev_mc_count(adapter->netdev));
334 macs->num_macs_in_msg = cpu_to_be16(count);
335 macs->gen_count = cpu_to_be16(adapter->info.vport.mc_macs_gen_count);
336 }
337
338 /**
339 * opa_vnic_query_ucast_macs - query unicast mac list
340 * @adapter: vnic port adapter
341 * @macs: pointer mac list
342 *
343 * This function populates the provided mac list with the configured
344 * unicast addresses in the adapter.
345 */
opa_vnic_query_ucast_macs(struct opa_vnic_adapter * adapter,struct opa_veswport_iface_macs * macs)346 void opa_vnic_query_ucast_macs(struct opa_vnic_adapter *adapter,
347 struct opa_veswport_iface_macs *macs)
348 {
349 u16 start_idx, tot_macs, num_macs, idx = 0, count = 0, em_macs = 0;
350 struct netdev_hw_addr *ha;
351
352 start_idx = be16_to_cpu(macs->start_idx);
353 num_macs = be16_to_cpu(macs->num_macs_in_msg);
354 /* loop through dev_addrs list first */
355 for_each_dev_addr(adapter->netdev, ha) {
356 struct opa_vnic_iface_mac_entry *entry = &macs->entry[count];
357
358 /* Do not include EM specified MAC address */
359 if (!memcmp(adapter->info.vport.base_mac_addr, ha->addr,
360 ARRAY_SIZE(adapter->info.vport.base_mac_addr))) {
361 em_macs++;
362 continue;
363 }
364
365 if (start_idx > idx++)
366 continue;
367 else if (num_macs == count)
368 break;
369 memcpy(entry, ha->addr, sizeof(*entry));
370 count++;
371 }
372
373 /* loop through uc list */
374 netdev_for_each_uc_addr(ha, adapter->netdev) {
375 struct opa_vnic_iface_mac_entry *entry = &macs->entry[count];
376
377 if (start_idx > idx++)
378 continue;
379 else if (num_macs == count)
380 break;
381 memcpy(entry, ha->addr, sizeof(*entry));
382 count++;
383 }
384
385 tot_macs = netdev_hw_addr_list_count(&adapter->netdev->dev_addrs) +
386 netdev_uc_count(adapter->netdev) - em_macs;
387 macs->tot_macs_in_lst = cpu_to_be16(tot_macs);
388 macs->num_macs_in_msg = cpu_to_be16(count);
389 macs->gen_count = cpu_to_be16(adapter->info.vport.uc_macs_gen_count);
390 }
391