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1e128c81 AE |
1 | /* QLogic qed NIC Driver |
2 | * Copyright (c) 2015-2017 QLogic Corporation | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and /or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <linux/types.h> | |
34 | #include <asm/byteorder.h> | |
35 | #include <asm/param.h> | |
36 | #include <linux/delay.h> | |
37 | #include <linux/dma-mapping.h> | |
38 | #include <linux/interrupt.h> | |
39 | #include <linux/kernel.h> | |
40 | #include <linux/log2.h> | |
41 | #include <linux/module.h> | |
42 | #include <linux/pci.h> | |
43 | #include <linux/slab.h> | |
44 | #include <linux/stddef.h> | |
45 | #include <linux/string.h> | |
46 | #include <linux/version.h> | |
47 | #include <linux/workqueue.h> | |
48 | #include <linux/errno.h> | |
49 | #include <linux/list.h> | |
50 | #include <linux/spinlock.h> | |
51 | #define __PREVENT_DUMP_MEM_ARR__ | |
52 | #define __PREVENT_PXP_GLOBAL_WIN__ | |
53 | #include "qed.h" | |
54 | #include "qed_cxt.h" | |
55 | #include "qed_dev_api.h" | |
56 | #include "qed_fcoe.h" | |
57 | #include "qed_hsi.h" | |
58 | #include "qed_hw.h" | |
59 | #include "qed_int.h" | |
60 | #include "qed_ll2.h" | |
61 | #include "qed_mcp.h" | |
62 | #include "qed_reg_addr.h" | |
63 | #include "qed_sp.h" | |
64 | #include "qed_sriov.h" | |
65 | #include <linux/qed/qed_fcoe_if.h> | |
66 | ||
67 | struct qed_fcoe_conn { | |
68 | struct list_head list_entry; | |
69 | bool free_on_delete; | |
70 | ||
71 | u16 conn_id; | |
72 | u32 icid; | |
73 | u32 fw_cid; | |
74 | u8 layer_code; | |
75 | ||
76 | dma_addr_t sq_pbl_addr; | |
77 | dma_addr_t sq_curr_page_addr; | |
78 | dma_addr_t sq_next_page_addr; | |
79 | dma_addr_t xferq_pbl_addr; | |
80 | void *xferq_pbl_addr_virt_addr; | |
81 | dma_addr_t xferq_addr[4]; | |
82 | void *xferq_addr_virt_addr[4]; | |
83 | dma_addr_t confq_pbl_addr; | |
84 | void *confq_pbl_addr_virt_addr; | |
85 | dma_addr_t confq_addr[2]; | |
86 | void *confq_addr_virt_addr[2]; | |
87 | ||
88 | dma_addr_t terminate_params; | |
89 | ||
90 | u16 dst_mac_addr_lo; | |
91 | u16 dst_mac_addr_mid; | |
92 | u16 dst_mac_addr_hi; | |
93 | u16 src_mac_addr_lo; | |
94 | u16 src_mac_addr_mid; | |
95 | u16 src_mac_addr_hi; | |
96 | ||
97 | u16 tx_max_fc_pay_len; | |
98 | u16 e_d_tov_timer_val; | |
99 | u16 rec_tov_timer_val; | |
100 | u16 rx_max_fc_pay_len; | |
101 | u16 vlan_tag; | |
102 | u16 physical_q0; | |
103 | ||
104 | struct fc_addr_nw s_id; | |
105 | u8 max_conc_seqs_c3; | |
106 | struct fc_addr_nw d_id; | |
107 | u8 flags; | |
108 | u8 def_q_idx; | |
109 | }; | |
110 | ||
111 | static int | |
112 | qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn, | |
113 | enum spq_mode comp_mode, | |
114 | struct qed_spq_comp_cb *p_comp_addr) | |
115 | { | |
116 | struct qed_fcoe_pf_params *fcoe_pf_params = NULL; | |
117 | struct fcoe_init_ramrod_params *p_ramrod = NULL; | |
118 | struct fcoe_init_func_ramrod_data *p_data; | |
119 | struct fcoe_conn_context *p_cxt = NULL; | |
120 | struct qed_spq_entry *p_ent = NULL; | |
121 | struct qed_sp_init_data init_data; | |
122 | struct qed_cxt_info cxt_info; | |
123 | u32 dummy_cid; | |
124 | int rc = 0; | |
125 | u16 tmp; | |
126 | u8 i; | |
127 | ||
128 | /* Get SPQ entry */ | |
129 | memset(&init_data, 0, sizeof(init_data)); | |
130 | init_data.cid = qed_spq_get_cid(p_hwfn); | |
131 | init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; | |
132 | init_data.comp_mode = comp_mode; | |
133 | init_data.p_comp_data = p_comp_addr; | |
134 | ||
135 | rc = qed_sp_init_request(p_hwfn, &p_ent, | |
136 | FCOE_RAMROD_CMD_ID_INIT_FUNC, | |
137 | PROTOCOLID_FCOE, &init_data); | |
138 | if (rc) | |
139 | return rc; | |
140 | ||
141 | p_ramrod = &p_ent->ramrod.fcoe_init; | |
142 | p_data = &p_ramrod->init_ramrod_data; | |
143 | fcoe_pf_params = &p_hwfn->pf_params.fcoe_pf_params; | |
144 | ||
145 | p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu); | |
146 | tmp = cpu_to_le16(fcoe_pf_params->sq_num_pbl_pages); | |
147 | p_data->sq_num_pages_in_pbl = tmp; | |
148 | ||
149 | rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid); | |
150 | if (rc) | |
151 | return rc; | |
152 | ||
153 | cxt_info.iid = dummy_cid; | |
154 | rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info); | |
155 | if (rc) { | |
156 | DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n", | |
157 | dummy_cid); | |
158 | return rc; | |
159 | } | |
160 | p_cxt = cxt_info.p_cxt; | |
161 | SET_FIELD(p_cxt->tstorm_ag_context.flags3, | |
162 | TSTORM_FCOE_CONN_AG_CTX_DUMMY_TIMER_CF_EN, 1); | |
163 | ||
164 | fcoe_pf_params->dummy_icid = (u16)dummy_cid; | |
165 | ||
166 | tmp = cpu_to_le16(fcoe_pf_params->num_tasks); | |
167 | p_data->func_params.num_tasks = tmp; | |
168 | p_data->func_params.log_page_size = fcoe_pf_params->log_page_size; | |
169 | p_data->func_params.debug_mode = fcoe_pf_params->debug_mode; | |
170 | ||
171 | DMA_REGPAIR_LE(p_data->q_params.glbl_q_params_addr, | |
172 | fcoe_pf_params->glbl_q_params_addr); | |
173 | ||
174 | tmp = cpu_to_le16(fcoe_pf_params->cq_num_entries); | |
175 | p_data->q_params.cq_num_entries = tmp; | |
176 | ||
177 | tmp = cpu_to_le16(fcoe_pf_params->cmdq_num_entries); | |
178 | p_data->q_params.cmdq_num_entries = tmp; | |
179 | ||
180 | tmp = fcoe_pf_params->num_cqs; | |
181 | p_data->q_params.num_queues = (u8)tmp; | |
182 | ||
183 | tmp = (u16)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS]; | |
184 | p_data->q_params.queue_relative_offset = (u8)tmp; | |
185 | ||
186 | for (i = 0; i < fcoe_pf_params->num_cqs; i++) { | |
187 | tmp = cpu_to_le16(p_hwfn->sbs_info[i]->igu_sb_id); | |
188 | p_data->q_params.cq_cmdq_sb_num_arr[i] = tmp; | |
189 | } | |
190 | ||
191 | p_data->q_params.cq_sb_pi = fcoe_pf_params->gl_rq_pi; | |
192 | p_data->q_params.cmdq_sb_pi = fcoe_pf_params->gl_cmd_pi; | |
193 | ||
d0d40a73 | 194 | p_data->q_params.bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ); |
1e128c81 AE |
195 | |
196 | DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_RQ], | |
197 | fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_RQ]); | |
198 | p_data->q_params.bdq_pbl_num_entries[BDQ_ID_RQ] = | |
199 | fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_RQ]; | |
200 | tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_RQ]; | |
201 | p_data->q_params.bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp); | |
202 | tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_RQ]; | |
203 | p_data->q_params.bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(tmp); | |
204 | ||
205 | DMA_REGPAIR_LE(p_data->q_params.bdq_pbl_base_address[BDQ_ID_IMM_DATA], | |
206 | fcoe_pf_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]); | |
207 | p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA] = | |
208 | fcoe_pf_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]; | |
209 | tmp = fcoe_pf_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA]; | |
210 | p_data->q_params.bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp); | |
211 | tmp = fcoe_pf_params->bdq_xon_threshold[BDQ_ID_IMM_DATA]; | |
212 | p_data->q_params.bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(tmp); | |
213 | tmp = fcoe_pf_params->rq_buffer_size; | |
214 | p_data->q_params.rq_buffer_size = cpu_to_le16(tmp); | |
215 | ||
216 | if (fcoe_pf_params->is_target) { | |
217 | SET_FIELD(p_data->q_params.q_validity, | |
218 | SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); | |
219 | if (p_data->q_params.bdq_pbl_num_entries[BDQ_ID_IMM_DATA]) | |
220 | SET_FIELD(p_data->q_params.q_validity, | |
221 | SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1); | |
222 | SET_FIELD(p_data->q_params.q_validity, | |
223 | SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1); | |
224 | } else { | |
225 | SET_FIELD(p_data->q_params.q_validity, | |
226 | SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); | |
227 | } | |
228 | ||
229 | rc = qed_spq_post(p_hwfn, p_ent, NULL); | |
230 | ||
231 | return rc; | |
232 | } | |
233 | ||
234 | static int | |
235 | qed_sp_fcoe_conn_offload(struct qed_hwfn *p_hwfn, | |
236 | struct qed_fcoe_conn *p_conn, | |
237 | enum spq_mode comp_mode, | |
238 | struct qed_spq_comp_cb *p_comp_addr) | |
239 | { | |
240 | struct fcoe_conn_offload_ramrod_params *p_ramrod = NULL; | |
241 | struct fcoe_conn_offload_ramrod_data *p_data; | |
242 | struct qed_spq_entry *p_ent = NULL; | |
243 | struct qed_sp_init_data init_data; | |
b5a9ee7c | 244 | u16 physical_q0, tmp; |
1e128c81 AE |
245 | int rc; |
246 | ||
247 | /* Get SPQ entry */ | |
248 | memset(&init_data, 0, sizeof(init_data)); | |
249 | init_data.cid = p_conn->icid; | |
250 | init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; | |
251 | init_data.comp_mode = comp_mode; | |
252 | init_data.p_comp_data = p_comp_addr; | |
253 | ||
254 | rc = qed_sp_init_request(p_hwfn, &p_ent, | |
255 | FCOE_RAMROD_CMD_ID_OFFLOAD_CONN, | |
256 | PROTOCOLID_FCOE, &init_data); | |
257 | if (rc) | |
258 | return rc; | |
259 | ||
260 | p_ramrod = &p_ent->ramrod.fcoe_conn_ofld; | |
261 | p_data = &p_ramrod->offload_ramrod_data; | |
262 | ||
263 | /* Transmission PQ is the first of the PF */ | |
b5a9ee7c AE |
264 | physical_q0 = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD); |
265 | p_conn->physical_q0 = cpu_to_le16(physical_q0); | |
266 | p_data->physical_q0 = cpu_to_le16(physical_q0); | |
1e128c81 AE |
267 | |
268 | p_data->conn_id = cpu_to_le16(p_conn->conn_id); | |
269 | DMA_REGPAIR_LE(p_data->sq_pbl_addr, p_conn->sq_pbl_addr); | |
270 | DMA_REGPAIR_LE(p_data->sq_curr_page_addr, p_conn->sq_curr_page_addr); | |
271 | DMA_REGPAIR_LE(p_data->sq_next_page_addr, p_conn->sq_next_page_addr); | |
272 | DMA_REGPAIR_LE(p_data->xferq_pbl_addr, p_conn->xferq_pbl_addr); | |
273 | DMA_REGPAIR_LE(p_data->xferq_curr_page_addr, p_conn->xferq_addr[0]); | |
274 | DMA_REGPAIR_LE(p_data->xferq_next_page_addr, p_conn->xferq_addr[1]); | |
275 | ||
276 | DMA_REGPAIR_LE(p_data->respq_pbl_addr, p_conn->confq_pbl_addr); | |
277 | DMA_REGPAIR_LE(p_data->respq_curr_page_addr, p_conn->confq_addr[0]); | |
278 | DMA_REGPAIR_LE(p_data->respq_next_page_addr, p_conn->confq_addr[1]); | |
279 | ||
280 | p_data->dst_mac_addr_lo = cpu_to_le16(p_conn->dst_mac_addr_lo); | |
281 | p_data->dst_mac_addr_mid = cpu_to_le16(p_conn->dst_mac_addr_mid); | |
282 | p_data->dst_mac_addr_hi = cpu_to_le16(p_conn->dst_mac_addr_hi); | |
283 | p_data->src_mac_addr_lo = cpu_to_le16(p_conn->src_mac_addr_lo); | |
284 | p_data->src_mac_addr_mid = cpu_to_le16(p_conn->src_mac_addr_mid); | |
285 | p_data->src_mac_addr_hi = cpu_to_le16(p_conn->src_mac_addr_hi); | |
286 | ||
287 | tmp = cpu_to_le16(p_conn->tx_max_fc_pay_len); | |
288 | p_data->tx_max_fc_pay_len = tmp; | |
289 | tmp = cpu_to_le16(p_conn->e_d_tov_timer_val); | |
290 | p_data->e_d_tov_timer_val = tmp; | |
291 | tmp = cpu_to_le16(p_conn->rec_tov_timer_val); | |
292 | p_data->rec_rr_tov_timer_val = tmp; | |
293 | tmp = cpu_to_le16(p_conn->rx_max_fc_pay_len); | |
294 | p_data->rx_max_fc_pay_len = tmp; | |
295 | ||
296 | p_data->vlan_tag = cpu_to_le16(p_conn->vlan_tag); | |
297 | p_data->s_id.addr_hi = p_conn->s_id.addr_hi; | |
298 | p_data->s_id.addr_mid = p_conn->s_id.addr_mid; | |
299 | p_data->s_id.addr_lo = p_conn->s_id.addr_lo; | |
300 | p_data->max_conc_seqs_c3 = p_conn->max_conc_seqs_c3; | |
301 | p_data->d_id.addr_hi = p_conn->d_id.addr_hi; | |
302 | p_data->d_id.addr_mid = p_conn->d_id.addr_mid; | |
303 | p_data->d_id.addr_lo = p_conn->d_id.addr_lo; | |
304 | p_data->flags = p_conn->flags; | |
305 | p_data->def_q_idx = p_conn->def_q_idx; | |
306 | ||
307 | return qed_spq_post(p_hwfn, p_ent, NULL); | |
308 | } | |
309 | ||
310 | static int | |
311 | qed_sp_fcoe_conn_destroy(struct qed_hwfn *p_hwfn, | |
312 | struct qed_fcoe_conn *p_conn, | |
313 | enum spq_mode comp_mode, | |
314 | struct qed_spq_comp_cb *p_comp_addr) | |
315 | { | |
316 | struct fcoe_conn_terminate_ramrod_params *p_ramrod = NULL; | |
317 | struct qed_spq_entry *p_ent = NULL; | |
318 | struct qed_sp_init_data init_data; | |
319 | int rc = 0; | |
320 | ||
321 | /* Get SPQ entry */ | |
322 | memset(&init_data, 0, sizeof(init_data)); | |
323 | init_data.cid = p_conn->icid; | |
324 | init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; | |
325 | init_data.comp_mode = comp_mode; | |
326 | init_data.p_comp_data = p_comp_addr; | |
327 | ||
328 | rc = qed_sp_init_request(p_hwfn, &p_ent, | |
329 | FCOE_RAMROD_CMD_ID_TERMINATE_CONN, | |
330 | PROTOCOLID_FCOE, &init_data); | |
331 | if (rc) | |
332 | return rc; | |
333 | ||
334 | p_ramrod = &p_ent->ramrod.fcoe_conn_terminate; | |
335 | DMA_REGPAIR_LE(p_ramrod->terminate_ramrod_data.terminate_params_addr, | |
336 | p_conn->terminate_params); | |
337 | ||
338 | return qed_spq_post(p_hwfn, p_ent, NULL); | |
339 | } | |
340 | ||
341 | static int | |
342 | qed_sp_fcoe_func_stop(struct qed_hwfn *p_hwfn, | |
343 | enum spq_mode comp_mode, | |
344 | struct qed_spq_comp_cb *p_comp_addr) | |
345 | { | |
346 | struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; | |
347 | struct qed_spq_entry *p_ent = NULL; | |
348 | struct qed_sp_init_data init_data; | |
349 | u32 active_segs = 0; | |
350 | int rc = 0; | |
351 | ||
352 | /* Get SPQ entry */ | |
353 | memset(&init_data, 0, sizeof(init_data)); | |
354 | init_data.cid = p_hwfn->pf_params.fcoe_pf_params.dummy_icid; | |
355 | init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; | |
356 | init_data.comp_mode = comp_mode; | |
357 | init_data.p_comp_data = p_comp_addr; | |
358 | ||
359 | rc = qed_sp_init_request(p_hwfn, &p_ent, | |
360 | FCOE_RAMROD_CMD_ID_DESTROY_FUNC, | |
361 | PROTOCOLID_FCOE, &init_data); | |
362 | if (rc) | |
363 | return rc; | |
364 | ||
365 | active_segs = qed_rd(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK); | |
366 | active_segs &= ~BIT(QED_CXT_FCOE_TID_SEG); | |
367 | qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, active_segs); | |
368 | ||
369 | return qed_spq_post(p_hwfn, p_ent, NULL); | |
370 | } | |
371 | ||
372 | static int | |
373 | qed_fcoe_allocate_connection(struct qed_hwfn *p_hwfn, | |
374 | struct qed_fcoe_conn **p_out_conn) | |
375 | { | |
376 | struct qed_fcoe_conn *p_conn = NULL; | |
377 | void *p_addr; | |
378 | u32 i; | |
379 | ||
380 | spin_lock_bh(&p_hwfn->p_fcoe_info->lock); | |
381 | if (!list_empty(&p_hwfn->p_fcoe_info->free_list)) | |
382 | p_conn = | |
383 | list_first_entry(&p_hwfn->p_fcoe_info->free_list, | |
384 | struct qed_fcoe_conn, list_entry); | |
385 | if (p_conn) { | |
386 | list_del(&p_conn->list_entry); | |
387 | spin_unlock_bh(&p_hwfn->p_fcoe_info->lock); | |
388 | *p_out_conn = p_conn; | |
389 | return 0; | |
390 | } | |
391 | spin_unlock_bh(&p_hwfn->p_fcoe_info->lock); | |
392 | ||
393 | p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL); | |
394 | if (!p_conn) | |
395 | return -ENOMEM; | |
396 | ||
397 | p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, | |
398 | QED_CHAIN_PAGE_SIZE, | |
399 | &p_conn->xferq_pbl_addr, GFP_KERNEL); | |
400 | if (!p_addr) | |
401 | goto nomem_pbl_xferq; | |
402 | p_conn->xferq_pbl_addr_virt_addr = p_addr; | |
403 | ||
404 | for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) { | |
405 | p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, | |
406 | QED_CHAIN_PAGE_SIZE, | |
407 | &p_conn->xferq_addr[i], GFP_KERNEL); | |
408 | if (!p_addr) | |
409 | goto nomem_xferq; | |
410 | p_conn->xferq_addr_virt_addr[i] = p_addr; | |
411 | ||
412 | p_addr = p_conn->xferq_pbl_addr_virt_addr; | |
413 | ((dma_addr_t *)p_addr)[i] = p_conn->xferq_addr[i]; | |
414 | } | |
415 | ||
416 | p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, | |
417 | QED_CHAIN_PAGE_SIZE, | |
418 | &p_conn->confq_pbl_addr, GFP_KERNEL); | |
419 | if (!p_addr) | |
420 | goto nomem_xferq; | |
421 | p_conn->confq_pbl_addr_virt_addr = p_addr; | |
422 | ||
423 | for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) { | |
424 | p_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, | |
425 | QED_CHAIN_PAGE_SIZE, | |
426 | &p_conn->confq_addr[i], GFP_KERNEL); | |
427 | if (!p_addr) | |
428 | goto nomem_confq; | |
429 | p_conn->confq_addr_virt_addr[i] = p_addr; | |
430 | ||
431 | p_addr = p_conn->confq_pbl_addr_virt_addr; | |
432 | ((dma_addr_t *)p_addr)[i] = p_conn->confq_addr[i]; | |
433 | } | |
434 | ||
435 | p_conn->free_on_delete = true; | |
436 | *p_out_conn = p_conn; | |
437 | return 0; | |
438 | ||
439 | nomem_confq: | |
440 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
441 | QED_CHAIN_PAGE_SIZE, | |
442 | p_conn->confq_pbl_addr_virt_addr, | |
443 | p_conn->confq_pbl_addr); | |
444 | for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) | |
445 | if (p_conn->confq_addr_virt_addr[i]) | |
446 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
447 | QED_CHAIN_PAGE_SIZE, | |
448 | p_conn->confq_addr_virt_addr[i], | |
449 | p_conn->confq_addr[i]); | |
450 | nomem_xferq: | |
451 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
452 | QED_CHAIN_PAGE_SIZE, | |
453 | p_conn->xferq_pbl_addr_virt_addr, | |
454 | p_conn->xferq_pbl_addr); | |
455 | for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) | |
456 | if (p_conn->xferq_addr_virt_addr[i]) | |
457 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
458 | QED_CHAIN_PAGE_SIZE, | |
459 | p_conn->xferq_addr_virt_addr[i], | |
460 | p_conn->xferq_addr[i]); | |
461 | nomem_pbl_xferq: | |
462 | kfree(p_conn); | |
463 | return -ENOMEM; | |
464 | } | |
465 | ||
466 | static void qed_fcoe_free_connection(struct qed_hwfn *p_hwfn, | |
467 | struct qed_fcoe_conn *p_conn) | |
468 | { | |
469 | u32 i; | |
470 | ||
471 | if (!p_conn) | |
472 | return; | |
473 | ||
474 | if (p_conn->confq_pbl_addr_virt_addr) | |
475 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
476 | QED_CHAIN_PAGE_SIZE, | |
477 | p_conn->confq_pbl_addr_virt_addr, | |
478 | p_conn->confq_pbl_addr); | |
479 | ||
480 | for (i = 0; i < ARRAY_SIZE(p_conn->confq_addr); i++) { | |
481 | if (!p_conn->confq_addr_virt_addr[i]) | |
482 | continue; | |
483 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
484 | QED_CHAIN_PAGE_SIZE, | |
485 | p_conn->confq_addr_virt_addr[i], | |
486 | p_conn->confq_addr[i]); | |
487 | } | |
488 | ||
489 | if (p_conn->xferq_pbl_addr_virt_addr) | |
490 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
491 | QED_CHAIN_PAGE_SIZE, | |
492 | p_conn->xferq_pbl_addr_virt_addr, | |
493 | p_conn->xferq_pbl_addr); | |
494 | ||
495 | for (i = 0; i < ARRAY_SIZE(p_conn->xferq_addr); i++) { | |
496 | if (!p_conn->xferq_addr_virt_addr[i]) | |
497 | continue; | |
498 | dma_free_coherent(&p_hwfn->cdev->pdev->dev, | |
499 | QED_CHAIN_PAGE_SIZE, | |
500 | p_conn->xferq_addr_virt_addr[i], | |
501 | p_conn->xferq_addr[i]); | |
502 | } | |
503 | kfree(p_conn); | |
504 | } | |
505 | ||
506 | static void __iomem *qed_fcoe_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid) | |
507 | { | |
508 | return (u8 __iomem *)p_hwfn->doorbells + | |
509 | qed_db_addr(cid, DQ_DEMS_LEGACY); | |
510 | } | |
511 | ||
512 | static void __iomem *qed_fcoe_get_primary_bdq_prod(struct qed_hwfn *p_hwfn, | |
513 | u8 bdq_id) | |
514 | { | |
d0d40a73 MY |
515 | if (RESC_NUM(p_hwfn, QED_BDQ)) { |
516 | return (u8 __iomem *)p_hwfn->regview + | |
517 | GTT_BAR0_MAP_REG_MSDM_RAM + | |
518 | MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, | |
519 | QED_BDQ), | |
520 | bdq_id); | |
521 | } else { | |
522 | DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); | |
523 | return NULL; | |
524 | } | |
1e128c81 AE |
525 | } |
526 | ||
527 | static void __iomem *qed_fcoe_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn, | |
528 | u8 bdq_id) | |
529 | { | |
d0d40a73 MY |
530 | if (RESC_NUM(p_hwfn, QED_BDQ)) { |
531 | return (u8 __iomem *)p_hwfn->regview + | |
532 | GTT_BAR0_MAP_REG_TSDM_RAM + | |
533 | TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, | |
534 | QED_BDQ), | |
535 | bdq_id); | |
536 | } else { | |
537 | DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); | |
538 | return NULL; | |
539 | } | |
1e128c81 AE |
540 | } |
541 | ||
542 | struct qed_fcoe_info *qed_fcoe_alloc(struct qed_hwfn *p_hwfn) | |
543 | { | |
544 | struct qed_fcoe_info *p_fcoe_info; | |
545 | ||
546 | /* Allocate LL2's set struct */ | |
547 | p_fcoe_info = kzalloc(sizeof(*p_fcoe_info), GFP_KERNEL); | |
548 | if (!p_fcoe_info) { | |
549 | DP_NOTICE(p_hwfn, "Failed to allocate qed_fcoe_info'\n"); | |
550 | return NULL; | |
551 | } | |
552 | INIT_LIST_HEAD(&p_fcoe_info->free_list); | |
553 | return p_fcoe_info; | |
554 | } | |
555 | ||
556 | void qed_fcoe_setup(struct qed_hwfn *p_hwfn, struct qed_fcoe_info *p_fcoe_info) | |
557 | { | |
558 | struct fcoe_task_context *p_task_ctx = NULL; | |
559 | int rc; | |
560 | u32 i; | |
561 | ||
562 | spin_lock_init(&p_fcoe_info->lock); | |
563 | for (i = 0; i < p_hwfn->pf_params.fcoe_pf_params.num_tasks; i++) { | |
564 | rc = qed_cxt_get_task_ctx(p_hwfn, i, | |
565 | QED_CTX_WORKING_MEM, | |
566 | (void **)&p_task_ctx); | |
567 | if (rc) | |
568 | continue; | |
569 | ||
570 | memset(p_task_ctx, 0, sizeof(struct fcoe_task_context)); | |
571 | SET_FIELD(p_task_ctx->timer_context.logical_client_0, | |
572 | TIMERS_CONTEXT_VALIDLC0, 1); | |
573 | SET_FIELD(p_task_ctx->timer_context.logical_client_1, | |
574 | TIMERS_CONTEXT_VALIDLC1, 1); | |
575 | SET_FIELD(p_task_ctx->tstorm_ag_context.flags0, | |
576 | TSTORM_FCOE_TASK_AG_CTX_CONNECTION_TYPE, 1); | |
577 | } | |
578 | } | |
579 | ||
580 | void qed_fcoe_free(struct qed_hwfn *p_hwfn, struct qed_fcoe_info *p_fcoe_info) | |
581 | { | |
582 | struct qed_fcoe_conn *p_conn = NULL; | |
583 | ||
584 | if (!p_fcoe_info) | |
585 | return; | |
586 | ||
587 | while (!list_empty(&p_fcoe_info->free_list)) { | |
588 | p_conn = list_first_entry(&p_fcoe_info->free_list, | |
589 | struct qed_fcoe_conn, list_entry); | |
590 | if (!p_conn) | |
591 | break; | |
592 | list_del(&p_conn->list_entry); | |
593 | qed_fcoe_free_connection(p_hwfn, p_conn); | |
594 | } | |
595 | ||
596 | kfree(p_fcoe_info); | |
597 | } | |
598 | ||
599 | static int | |
600 | qed_fcoe_acquire_connection(struct qed_hwfn *p_hwfn, | |
601 | struct qed_fcoe_conn *p_in_conn, | |
602 | struct qed_fcoe_conn **p_out_conn) | |
603 | { | |
604 | struct qed_fcoe_conn *p_conn = NULL; | |
605 | int rc = 0; | |
606 | u32 icid; | |
607 | ||
608 | spin_lock_bh(&p_hwfn->p_fcoe_info->lock); | |
609 | rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &icid); | |
610 | spin_unlock_bh(&p_hwfn->p_fcoe_info->lock); | |
611 | if (rc) | |
612 | return rc; | |
613 | ||
614 | /* Use input connection [if provided] or allocate a new one */ | |
615 | if (p_in_conn) { | |
616 | p_conn = p_in_conn; | |
617 | } else { | |
618 | rc = qed_fcoe_allocate_connection(p_hwfn, &p_conn); | |
619 | if (rc) { | |
620 | spin_lock_bh(&p_hwfn->p_fcoe_info->lock); | |
621 | qed_cxt_release_cid(p_hwfn, icid); | |
622 | spin_unlock_bh(&p_hwfn->p_fcoe_info->lock); | |
623 | return rc; | |
624 | } | |
625 | } | |
626 | ||
627 | p_conn->icid = icid; | |
628 | p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid; | |
629 | *p_out_conn = p_conn; | |
630 | ||
631 | return rc; | |
632 | } | |
633 | ||
634 | static void qed_fcoe_release_connection(struct qed_hwfn *p_hwfn, | |
635 | struct qed_fcoe_conn *p_conn) | |
636 | { | |
637 | spin_lock_bh(&p_hwfn->p_fcoe_info->lock); | |
638 | list_add_tail(&p_conn->list_entry, &p_hwfn->p_fcoe_info->free_list); | |
639 | qed_cxt_release_cid(p_hwfn, p_conn->icid); | |
640 | spin_unlock_bh(&p_hwfn->p_fcoe_info->lock); | |
641 | } | |
642 | ||
643 | static void _qed_fcoe_get_tstats(struct qed_hwfn *p_hwfn, | |
644 | struct qed_ptt *p_ptt, | |
645 | struct qed_fcoe_stats *p_stats) | |
646 | { | |
647 | struct fcoe_rx_stat tstats; | |
648 | u32 tstats_addr; | |
649 | ||
650 | memset(&tstats, 0, sizeof(tstats)); | |
651 | tstats_addr = BAR0_MAP_REG_TSDM_RAM + | |
652 | TSTORM_FCOE_RX_STATS_OFFSET(p_hwfn->rel_pf_id); | |
653 | qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats)); | |
654 | ||
655 | p_stats->fcoe_rx_byte_cnt = HILO_64_REGPAIR(tstats.fcoe_rx_byte_cnt); | |
656 | p_stats->fcoe_rx_data_pkt_cnt = | |
657 | HILO_64_REGPAIR(tstats.fcoe_rx_data_pkt_cnt); | |
658 | p_stats->fcoe_rx_xfer_pkt_cnt = | |
659 | HILO_64_REGPAIR(tstats.fcoe_rx_xfer_pkt_cnt); | |
660 | p_stats->fcoe_rx_other_pkt_cnt = | |
661 | HILO_64_REGPAIR(tstats.fcoe_rx_other_pkt_cnt); | |
662 | ||
663 | p_stats->fcoe_silent_drop_pkt_cmdq_full_cnt = | |
664 | le32_to_cpu(tstats.fcoe_silent_drop_pkt_cmdq_full_cnt); | |
665 | p_stats->fcoe_silent_drop_pkt_rq_full_cnt = | |
666 | le32_to_cpu(tstats.fcoe_silent_drop_pkt_rq_full_cnt); | |
667 | p_stats->fcoe_silent_drop_pkt_crc_error_cnt = | |
668 | le32_to_cpu(tstats.fcoe_silent_drop_pkt_crc_error_cnt); | |
669 | p_stats->fcoe_silent_drop_pkt_task_invalid_cnt = | |
670 | le32_to_cpu(tstats.fcoe_silent_drop_pkt_task_invalid_cnt); | |
671 | p_stats->fcoe_silent_drop_total_pkt_cnt = | |
672 | le32_to_cpu(tstats.fcoe_silent_drop_total_pkt_cnt); | |
673 | } | |
674 | ||
675 | static void _qed_fcoe_get_pstats(struct qed_hwfn *p_hwfn, | |
676 | struct qed_ptt *p_ptt, | |
677 | struct qed_fcoe_stats *p_stats) | |
678 | { | |
679 | struct fcoe_tx_stat pstats; | |
680 | u32 pstats_addr; | |
681 | ||
682 | memset(&pstats, 0, sizeof(pstats)); | |
683 | pstats_addr = BAR0_MAP_REG_PSDM_RAM + | |
684 | PSTORM_FCOE_TX_STATS_OFFSET(p_hwfn->rel_pf_id); | |
685 | qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats)); | |
686 | ||
687 | p_stats->fcoe_tx_byte_cnt = HILO_64_REGPAIR(pstats.fcoe_tx_byte_cnt); | |
688 | p_stats->fcoe_tx_data_pkt_cnt = | |
689 | HILO_64_REGPAIR(pstats.fcoe_tx_data_pkt_cnt); | |
690 | p_stats->fcoe_tx_xfer_pkt_cnt = | |
691 | HILO_64_REGPAIR(pstats.fcoe_tx_xfer_pkt_cnt); | |
692 | p_stats->fcoe_tx_other_pkt_cnt = | |
693 | HILO_64_REGPAIR(pstats.fcoe_tx_other_pkt_cnt); | |
694 | } | |
695 | ||
696 | static int qed_fcoe_get_stats(struct qed_hwfn *p_hwfn, | |
697 | struct qed_fcoe_stats *p_stats) | |
698 | { | |
699 | struct qed_ptt *p_ptt; | |
700 | ||
701 | memset(p_stats, 0, sizeof(*p_stats)); | |
702 | ||
703 | p_ptt = qed_ptt_acquire(p_hwfn); | |
704 | ||
705 | if (!p_ptt) { | |
706 | DP_ERR(p_hwfn, "Failed to acquire ptt\n"); | |
707 | return -EINVAL; | |
708 | } | |
709 | ||
710 | _qed_fcoe_get_tstats(p_hwfn, p_ptt, p_stats); | |
711 | _qed_fcoe_get_pstats(p_hwfn, p_ptt, p_stats); | |
712 | ||
713 | qed_ptt_release(p_hwfn, p_ptt); | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
718 | struct qed_hash_fcoe_con { | |
719 | struct hlist_node node; | |
720 | struct qed_fcoe_conn *con; | |
721 | }; | |
722 | ||
723 | static int qed_fill_fcoe_dev_info(struct qed_dev *cdev, | |
724 | struct qed_dev_fcoe_info *info) | |
725 | { | |
726 | struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); | |
727 | int rc; | |
728 | ||
729 | memset(info, 0, sizeof(*info)); | |
730 | rc = qed_fill_dev_info(cdev, &info->common); | |
731 | ||
732 | info->primary_dbq_rq_addr = | |
733 | qed_fcoe_get_primary_bdq_prod(hwfn, BDQ_ID_RQ); | |
734 | info->secondary_bdq_rq_addr = | |
735 | qed_fcoe_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ); | |
736 | ||
737 | return rc; | |
738 | } | |
739 | ||
740 | static void qed_register_fcoe_ops(struct qed_dev *cdev, | |
741 | struct qed_fcoe_cb_ops *ops, void *cookie) | |
742 | { | |
743 | cdev->protocol_ops.fcoe = ops; | |
744 | cdev->ops_cookie = cookie; | |
745 | } | |
746 | ||
747 | static struct qed_hash_fcoe_con *qed_fcoe_get_hash(struct qed_dev *cdev, | |
748 | u32 handle) | |
749 | { | |
750 | struct qed_hash_fcoe_con *hash_con = NULL; | |
751 | ||
752 | if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) | |
753 | return NULL; | |
754 | ||
755 | hash_for_each_possible(cdev->connections, hash_con, node, handle) { | |
756 | if (hash_con->con->icid == handle) | |
757 | break; | |
758 | } | |
759 | ||
760 | if (!hash_con || (hash_con->con->icid != handle)) | |
761 | return NULL; | |
762 | ||
763 | return hash_con; | |
764 | } | |
765 | ||
766 | static int qed_fcoe_stop(struct qed_dev *cdev) | |
767 | { | |
768 | int rc; | |
769 | ||
770 | if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) { | |
771 | DP_NOTICE(cdev, "fcoe already stopped\n"); | |
772 | return 0; | |
773 | } | |
774 | ||
775 | if (!hash_empty(cdev->connections)) { | |
776 | DP_NOTICE(cdev, | |
777 | "Can't stop fcoe - not all connections were returned\n"); | |
778 | return -EINVAL; | |
779 | } | |
780 | ||
781 | /* Stop the fcoe */ | |
782 | rc = qed_sp_fcoe_func_stop(QED_LEADING_HWFN(cdev), | |
783 | QED_SPQ_MODE_EBLOCK, NULL); | |
784 | cdev->flags &= ~QED_FLAG_STORAGE_STARTED; | |
785 | ||
786 | return rc; | |
787 | } | |
788 | ||
789 | static int qed_fcoe_start(struct qed_dev *cdev, struct qed_fcoe_tid *tasks) | |
790 | { | |
791 | int rc; | |
792 | ||
793 | if (cdev->flags & QED_FLAG_STORAGE_STARTED) { | |
794 | DP_NOTICE(cdev, "fcoe already started;\n"); | |
795 | return 0; | |
796 | } | |
797 | ||
798 | rc = qed_sp_fcoe_func_start(QED_LEADING_HWFN(cdev), | |
799 | QED_SPQ_MODE_EBLOCK, NULL); | |
800 | if (rc) { | |
801 | DP_NOTICE(cdev, "Failed to start fcoe\n"); | |
802 | return rc; | |
803 | } | |
804 | ||
805 | cdev->flags |= QED_FLAG_STORAGE_STARTED; | |
806 | hash_init(cdev->connections); | |
807 | ||
808 | if (tasks) { | |
809 | struct qed_tid_mem *tid_info = kzalloc(sizeof(*tid_info), | |
810 | GFP_ATOMIC); | |
811 | ||
812 | if (!tid_info) { | |
813 | DP_NOTICE(cdev, | |
814 | "Failed to allocate tasks information\n"); | |
815 | qed_fcoe_stop(cdev); | |
816 | return -ENOMEM; | |
817 | } | |
818 | ||
819 | rc = qed_cxt_get_tid_mem_info(QED_LEADING_HWFN(cdev), tid_info); | |
820 | if (rc) { | |
821 | DP_NOTICE(cdev, "Failed to gather task information\n"); | |
822 | qed_fcoe_stop(cdev); | |
823 | kfree(tid_info); | |
824 | return rc; | |
825 | } | |
826 | ||
827 | /* Fill task information */ | |
828 | tasks->size = tid_info->tid_size; | |
829 | tasks->num_tids_per_block = tid_info->num_tids_per_block; | |
830 | memcpy(tasks->blocks, tid_info->blocks, | |
831 | MAX_TID_BLOCKS_FCOE * sizeof(u8 *)); | |
832 | ||
833 | kfree(tid_info); | |
834 | } | |
835 | ||
836 | return 0; | |
837 | } | |
838 | ||
839 | static int qed_fcoe_acquire_conn(struct qed_dev *cdev, | |
840 | u32 *handle, | |
841 | u32 *fw_cid, void __iomem **p_doorbell) | |
842 | { | |
843 | struct qed_hash_fcoe_con *hash_con; | |
844 | int rc; | |
845 | ||
846 | /* Allocate a hashed connection */ | |
847 | hash_con = kzalloc(sizeof(*hash_con), GFP_KERNEL); | |
848 | if (!hash_con) { | |
849 | DP_NOTICE(cdev, "Failed to allocate hashed connection\n"); | |
850 | return -ENOMEM; | |
851 | } | |
852 | ||
853 | /* Acquire the connection */ | |
854 | rc = qed_fcoe_acquire_connection(QED_LEADING_HWFN(cdev), NULL, | |
855 | &hash_con->con); | |
856 | if (rc) { | |
857 | DP_NOTICE(cdev, "Failed to acquire Connection\n"); | |
858 | kfree(hash_con); | |
859 | return rc; | |
860 | } | |
861 | ||
862 | /* Added the connection to hash table */ | |
863 | *handle = hash_con->con->icid; | |
864 | *fw_cid = hash_con->con->fw_cid; | |
865 | hash_add(cdev->connections, &hash_con->node, *handle); | |
866 | ||
867 | if (p_doorbell) | |
868 | *p_doorbell = qed_fcoe_get_db_addr(QED_LEADING_HWFN(cdev), | |
869 | *handle); | |
870 | ||
871 | return 0; | |
872 | } | |
873 | ||
874 | static int qed_fcoe_release_conn(struct qed_dev *cdev, u32 handle) | |
875 | { | |
876 | struct qed_hash_fcoe_con *hash_con; | |
877 | ||
878 | hash_con = qed_fcoe_get_hash(cdev, handle); | |
879 | if (!hash_con) { | |
880 | DP_NOTICE(cdev, "Failed to find connection for handle %d\n", | |
881 | handle); | |
882 | return -EINVAL; | |
883 | } | |
884 | ||
885 | hlist_del(&hash_con->node); | |
886 | qed_fcoe_release_connection(QED_LEADING_HWFN(cdev), hash_con->con); | |
887 | kfree(hash_con); | |
888 | ||
889 | return 0; | |
890 | } | |
891 | ||
892 | static int qed_fcoe_offload_conn(struct qed_dev *cdev, | |
893 | u32 handle, | |
894 | struct qed_fcoe_params_offload *conn_info) | |
895 | { | |
896 | struct qed_hash_fcoe_con *hash_con; | |
897 | struct qed_fcoe_conn *con; | |
898 | ||
899 | hash_con = qed_fcoe_get_hash(cdev, handle); | |
900 | if (!hash_con) { | |
901 | DP_NOTICE(cdev, "Failed to find connection for handle %d\n", | |
902 | handle); | |
903 | return -EINVAL; | |
904 | } | |
905 | ||
906 | /* Update the connection with information from the params */ | |
907 | con = hash_con->con; | |
908 | ||
909 | con->sq_pbl_addr = conn_info->sq_pbl_addr; | |
910 | con->sq_curr_page_addr = conn_info->sq_curr_page_addr; | |
911 | con->sq_next_page_addr = conn_info->sq_next_page_addr; | |
912 | con->tx_max_fc_pay_len = conn_info->tx_max_fc_pay_len; | |
913 | con->e_d_tov_timer_val = conn_info->e_d_tov_timer_val; | |
914 | con->rec_tov_timer_val = conn_info->rec_tov_timer_val; | |
915 | con->rx_max_fc_pay_len = conn_info->rx_max_fc_pay_len; | |
916 | con->vlan_tag = conn_info->vlan_tag; | |
917 | con->max_conc_seqs_c3 = conn_info->max_conc_seqs_c3; | |
918 | con->flags = conn_info->flags; | |
919 | con->def_q_idx = conn_info->def_q_idx; | |
920 | ||
921 | con->src_mac_addr_hi = (conn_info->src_mac[5] << 8) | | |
922 | conn_info->src_mac[4]; | |
923 | con->src_mac_addr_mid = (conn_info->src_mac[3] << 8) | | |
924 | conn_info->src_mac[2]; | |
925 | con->src_mac_addr_lo = (conn_info->src_mac[1] << 8) | | |
926 | conn_info->src_mac[0]; | |
927 | con->dst_mac_addr_hi = (conn_info->dst_mac[5] << 8) | | |
928 | conn_info->dst_mac[4]; | |
929 | con->dst_mac_addr_mid = (conn_info->dst_mac[3] << 8) | | |
930 | conn_info->dst_mac[2]; | |
931 | con->dst_mac_addr_lo = (conn_info->dst_mac[1] << 8) | | |
932 | conn_info->dst_mac[0]; | |
933 | ||
934 | con->s_id.addr_hi = conn_info->s_id.addr_hi; | |
935 | con->s_id.addr_mid = conn_info->s_id.addr_mid; | |
936 | con->s_id.addr_lo = conn_info->s_id.addr_lo; | |
937 | con->d_id.addr_hi = conn_info->d_id.addr_hi; | |
938 | con->d_id.addr_mid = conn_info->d_id.addr_mid; | |
939 | con->d_id.addr_lo = conn_info->d_id.addr_lo; | |
940 | ||
941 | return qed_sp_fcoe_conn_offload(QED_LEADING_HWFN(cdev), con, | |
942 | QED_SPQ_MODE_EBLOCK, NULL); | |
943 | } | |
944 | ||
945 | static int qed_fcoe_destroy_conn(struct qed_dev *cdev, | |
946 | u32 handle, dma_addr_t terminate_params) | |
947 | { | |
948 | struct qed_hash_fcoe_con *hash_con; | |
949 | struct qed_fcoe_conn *con; | |
950 | ||
951 | hash_con = qed_fcoe_get_hash(cdev, handle); | |
952 | if (!hash_con) { | |
953 | DP_NOTICE(cdev, "Failed to find connection for handle %d\n", | |
954 | handle); | |
955 | return -EINVAL; | |
956 | } | |
957 | ||
958 | /* Update the connection with information from the params */ | |
959 | con = hash_con->con; | |
960 | con->terminate_params = terminate_params; | |
961 | ||
962 | return qed_sp_fcoe_conn_destroy(QED_LEADING_HWFN(cdev), con, | |
963 | QED_SPQ_MODE_EBLOCK, NULL); | |
964 | } | |
965 | ||
966 | static int qed_fcoe_stats(struct qed_dev *cdev, struct qed_fcoe_stats *stats) | |
967 | { | |
968 | return qed_fcoe_get_stats(QED_LEADING_HWFN(cdev), stats); | |
969 | } | |
970 | ||
971 | void qed_get_protocol_stats_fcoe(struct qed_dev *cdev, | |
972 | struct qed_mcp_fcoe_stats *stats) | |
973 | { | |
974 | struct qed_fcoe_stats proto_stats; | |
975 | ||
976 | /* Retrieve FW statistics */ | |
977 | memset(&proto_stats, 0, sizeof(proto_stats)); | |
978 | if (qed_fcoe_stats(cdev, &proto_stats)) { | |
979 | DP_VERBOSE(cdev, QED_MSG_STORAGE, | |
980 | "Failed to collect FCoE statistics\n"); | |
981 | return; | |
982 | } | |
983 | ||
984 | /* Translate FW statistics into struct */ | |
985 | stats->rx_pkts = proto_stats.fcoe_rx_data_pkt_cnt + | |
986 | proto_stats.fcoe_rx_xfer_pkt_cnt + | |
987 | proto_stats.fcoe_rx_other_pkt_cnt; | |
988 | stats->tx_pkts = proto_stats.fcoe_tx_data_pkt_cnt + | |
989 | proto_stats.fcoe_tx_xfer_pkt_cnt + | |
990 | proto_stats.fcoe_tx_other_pkt_cnt; | |
991 | stats->fcs_err = proto_stats.fcoe_silent_drop_pkt_crc_error_cnt; | |
992 | ||
993 | /* Request protocol driver to fill-in the rest */ | |
994 | if (cdev->protocol_ops.fcoe && cdev->ops_cookie) { | |
995 | struct qed_fcoe_cb_ops *ops = cdev->protocol_ops.fcoe; | |
996 | void *cookie = cdev->ops_cookie; | |
997 | ||
998 | if (ops->get_login_failures) | |
999 | stats->login_failure = ops->get_login_failures(cookie); | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | static const struct qed_fcoe_ops qed_fcoe_ops_pass = { | |
1004 | .common = &qed_common_ops_pass, | |
1005 | .ll2 = &qed_ll2_ops_pass, | |
1006 | .fill_dev_info = &qed_fill_fcoe_dev_info, | |
1007 | .start = &qed_fcoe_start, | |
1008 | .stop = &qed_fcoe_stop, | |
1009 | .register_ops = &qed_register_fcoe_ops, | |
1010 | .acquire_conn = &qed_fcoe_acquire_conn, | |
1011 | .release_conn = &qed_fcoe_release_conn, | |
1012 | .offload_conn = &qed_fcoe_offload_conn, | |
1013 | .destroy_conn = &qed_fcoe_destroy_conn, | |
1014 | .get_stats = &qed_fcoe_stats, | |
1015 | }; | |
1016 | ||
1017 | const struct qed_fcoe_ops *qed_get_fcoe_ops(void) | |
1018 | { | |
1019 | return &qed_fcoe_ops_pass; | |
1020 | } | |
1021 | EXPORT_SYMBOL(qed_get_fcoe_ops); | |
1022 | ||
1023 | void qed_put_fcoe_ops(void) | |
1024 | { | |
1025 | } | |
1026 | EXPORT_SYMBOL(qed_put_fcoe_ops); |