1 /*******************************************************************************
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5  * Common Development and Distribution License (the "License").
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13  * When distributing Covered Code, include this CDDL HEADER in each
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19  * CDDL HEADER END
20  *
21  * Copyright 2014 QLogic Corporation
22  * The contents of this file are subject to the terms of the
23  * QLogic End User License (the "License").
24  * You may not use this file except in compliance with the License.
25  *
26  * You can obtain a copy of the License at
27  * http://www.qlogic.com/Resources/Documents/DriverDownloadHelp/
28  * QLogic_End_User_Software_License.txt
29  * See the License for the specific language governing permissions
30  * and limitations under the License.
31  *
32  *
33  * Module Description:
34  *      This file contains functions that implement SR-IOV virtualization on
35  *      the PF side
36  *
37  ******************************************************************************/
38 
39 #ifdef VF_INVOLVED
40 
41 #include "lm5710.h"
42 #include "lm_vf.h"
43 #include "577xx_int_offsets.h"
44 #include "command.h"
45 
lm_pf_validate_request_header(struct _lm_device_t * pdev,lm_vf_info_t * vf_info,void * virt_buffer)46 struct vf_pf_msg_hdr *lm_pf_validate_request_header(struct _lm_device_t *pdev, lm_vf_info_t *vf_info, void * virt_buffer)
47 {
48     struct vf_pf_msg_hdr * req_hdr = (struct vf_pf_msg_hdr *)virt_buffer;
49 
50     if (req_hdr->resp_msg_offset > vf_info->pf_vf_response.request_size) {
51         req_hdr = NULL;
52         DbgMessage(pdev, FATAL, "VF[%d]: Estimated size of incoming request(%d) exceeds buffer size(%d)\n",
53                     vf_info->relative_vf_id, req_hdr->resp_msg_offset, vf_info->pf_vf_response.request_size);
54     }
55     return req_hdr;
56 }
57 
lm_pf_find_vf_info_by_rel_id(struct _lm_device_t * pdev,u16_t relative_vf_id)58 lm_vf_info_t * lm_pf_find_vf_info_by_rel_id(struct _lm_device_t *pdev, u16_t relative_vf_id)
59 {
60     lm_vf_info_t * vf_info = NULL;
61     if (relative_vf_id < pdev->vfs_set.number_of_enabled_vfs) {
62         vf_info = &pdev->vfs_set.vfs_array[relative_vf_id];
63     } else {
64         DbgMessage(pdev, FATAL, "lm_pf_find_vf_info_by_rel_id: VF[%d] is not enabled\n", relative_vf_id);
65     }
66     return vf_info;
67 }
68 
lm_pf_find_vf_info_by_abs_id(struct _lm_device_t * pdev,u8_t abs_vf_id)69 lm_vf_info_t * lm_pf_find_vf_info_by_abs_id(struct _lm_device_t *pdev, u8_t abs_vf_id)
70 {
71     lm_vf_info_t * vf_info = NULL;
72     u16_t relative_vf_id = 0xFFFF;
73     DbgMessage(pdev, WARN, "lm_pf_find_vf_info_by_abs_id: abs_vf_id:%d(%d)\n",abs_vf_id,pdev->hw_info.sriov_info.first_vf_in_pf);
74     if (abs_vf_id < pdev->hw_info.sriov_info.first_vf_in_pf) {
75         DbgBreak();
76     }
77     relative_vf_id = abs_vf_id - (u8_t)pdev->hw_info.sriov_info.first_vf_in_pf;
78     if (relative_vf_id < pdev->vfs_set.number_of_enabled_vfs) {
79         vf_info = &pdev->vfs_set.vfs_array[relative_vf_id];
80     } else {
81         DbgMessage(pdev, FATAL, "lm_pf_find_vf_info_by_abs_id: VF[a:%d,r:%d] is not enabled\n",abs_vf_id,relative_vf_id);
82     }
83     return vf_info;
84 }
85 
lm_pf_download_standard_request(struct _lm_device_t * pdev,lm_vf_info_t * vf_info,void * virt_buffer,u32_t length)86 lm_status_t lm_pf_download_standard_request(struct _lm_device_t *pdev, lm_vf_info_t *vf_info, void* virt_buffer, u32_t length)
87 {
88     lm_status_t lm_status = LM_STATUS_SUCCESS;
89     struct vf_pf_msg_hdr * requst_hdr = NULL;
90 
91     if(!(pdev && vf_info && virt_buffer)) {
92         DbgMessage(pdev, FATAL, "PFVF request with invalid parameters: %p, %p, %p, d\n", pdev,vf_info,virt_buffer,length);
93         DbgBreakIf(!DBG_BREAK_ON(UNDER_TEST));
94         return LM_STATUS_INVALID_PARAMETER;
95     }
96 
97     if ((vf_info->pf_vf_response.req_resp_state != VF_PF_WAIT_FOR_START_REQUEST)
98             && (vf_info->pf_vf_response.req_resp_state != VF_PF_WAIT_FOR_NEXT_CHUNK_OF_REQUEST)) {
99         DbgMessage(pdev, FATAL, "VF[%d] does not expect PFVF request (%d)\n", vf_info->relative_vf_id, vf_info->pf_vf_response.req_resp_state);
100         return LM_STATUS_FAILURE;
101     }
102     if (vf_info->pf_vf_response.req_resp_state == VF_PF_WAIT_FOR_START_REQUEST) {
103         //requst_hdr = (struct vf_pf_msg_hdr *)virt_buffer;
104         if (length >= sizeof(struct vf_pf_msg_hdr)) {
105             requst_hdr = lm_pf_validate_request_header(pdev, vf_info, virt_buffer);
106             if (requst_hdr != NULL) {
107         vf_info->pf_vf_response.request_offset = 0;
108             }
109         } else {
110             DbgMessage(pdev, FATAL, "VF[%d] received too short(%d) PFVF request\n", vf_info->relative_vf_id, length);
111         }
112     } else {
113         requst_hdr = (struct vf_pf_msg_hdr *)vf_info->pf_vf_response.request_virt_addr;
114     }
115 
116     if (requst_hdr != NULL) {
117         if (length <= (vf_info->pf_vf_response.request_size - vf_info->pf_vf_response.request_offset)) {
118     mm_memcpy((u8_t*)vf_info->pf_vf_response.request_virt_addr + vf_info->pf_vf_response.request_offset, virt_buffer, length);
119     DbgMessage(pdev, WARN, "VF[%d]: lm_pf_download_standard_request: %d bytes from offset %d\n", vf_info->relative_vf_id,
120                 length, vf_info->pf_vf_response.request_offset);
121     if (requst_hdr->resp_msg_offset > (vf_info->pf_vf_response.request_offset + length)) {
122         lm_status = LM_STATUS_PENDING;
123         vf_info->pf_vf_response.request_offset += length;
124         vf_info->pf_vf_response.req_resp_state = VF_PF_WAIT_FOR_NEXT_CHUNK_OF_REQUEST;
125     } else {
126         vf_info->pf_vf_response.response_virt_addr = (u8_t*)vf_info->pf_vf_response.request_virt_addr + requst_hdr->resp_msg_offset;
127         vf_info->pf_vf_response.request_offset = 0;
128         vf_info->pf_vf_response.req_resp_state = VF_PF_REQUEST_IN_PROCESSING;
129     }
130         } else {
131             lm_status = LM_STATUS_INVALID_PARAMETER;
132             vf_info->pf_vf_response.req_resp_state = VF_PF_WAIT_FOR_START_REQUEST;
133         }
134     } else {
135         lm_status = LM_STATUS_INVALID_PARAMETER;
136     }
137     return lm_status;
138 }
lm_pf_upload_standard_response(struct _lm_device_t * pdev,lm_vf_info_t * vf_info,void * virt_buffer,u32_t length)139 lm_status_t lm_pf_upload_standard_response(struct _lm_device_t *pdev, lm_vf_info_t *vf_info, void* virt_buffer, u32_t length)
140 {
141     lm_status_t lm_status = LM_STATUS_SUCCESS;
142     u32_t response_rest;
143 
144     if(!(pdev && vf_info && virt_buffer)) {
145         DbgMessage(pdev, FATAL, "PFVF rresponse with invalid parameters: %p, %p, %p, d\n", pdev,vf_info,virt_buffer,length);
146         DbgBreakIf(!DBG_BREAK_ON(UNDER_TEST));
147         return LM_STATUS_INVALID_PARAMETER;
148     }
149 
150     if (length < sizeof(struct pf_vf_msg_resp))
151     {
152         DbgBreakIf(!DBG_BREAK_ON(UNDER_TEST));
153     }
154 
155     switch (vf_info->pf_vf_response.req_resp_state) {
156     case VF_PF_WAIT_FOR_START_REQUEST:
157     case VF_PF_WAIT_FOR_NEXT_CHUNK_OF_REQUEST:
158         DbgMessage(pdev, WARN, "VF[%d]:lm_pf_upload_standard_response (LM_STATUS_FAILURE)\n",vf_info->relative_vf_id);
159         lm_status = LM_STATUS_FAILURE;
160         break;
161     case VF_PF_REQUEST_IN_PROCESSING:
162         DbgBreakIf(!DBG_BREAK_ON(UNDER_TEST));
163         if (length > sizeof(struct pf_vf_msg_resp))
164         {
165             length = sizeof(struct pf_vf_msg_resp);
166         }
167         mm_memcpy(virt_buffer, vf_info->pf_vf_response.response_virt_addr, length);
168         break;
169     case VF_PF_RESPONSE_READY:
170         response_rest = vf_info->pf_vf_response.response_size - vf_info->pf_vf_response.response_offset;
171         if (length <= response_rest) {
172             vf_info->pf_vf_response.req_resp_state = VF_PF_WAIT_FOR_START_REQUEST;
173         } else {
174             length = response_rest;
175         }
176         mm_memcpy(virt_buffer, (u8_t*)vf_info->pf_vf_response.response_virt_addr + vf_info->pf_vf_response.response_offset, length);
177         DbgMessage(pdev, WARN, "VF[%d]:lm_pf_upload_standard_response: %d bytes from offset %d\n",vf_info->relative_vf_id,length,
178                     vf_info->pf_vf_response.response_offset);
179         vf_info->pf_vf_response.response_offset += length;
180         if (vf_info->pf_vf_response.response_offset == vf_info->pf_vf_response.response_size)
181         {
182             vf_info->pf_vf_response.req_resp_state = VF_PF_WAIT_FOR_START_REQUEST;
183         }
184         break;
185     default:
186         DbgBreak();
187 
188     }
189 
190     return lm_status;
191 }
192 
lm_pf_upload_standard_request(struct _lm_device_t * pdev,lm_vf_info_t * vf_info,lm_address_t * phys_buffer,u32_t length)193 lm_status_t lm_pf_upload_standard_request(struct _lm_device_t *pdev, lm_vf_info_t *vf_info, lm_address_t * phys_buffer, u32_t length)
194 {
195     lm_status_t lm_status = LM_STATUS_FAILURE;
196     DbgMessage(pdev, WARN, "lm_pf_upload_standard_request is not implemented yet\n");
197     return lm_status;
198 }
199 
lm_pf_allocate_vfs(struct _lm_device_t * pdev)200 lm_status_t lm_pf_allocate_vfs(struct _lm_device_t *pdev)
201 {
202     lm_status_t lm_status = LM_STATUS_SUCCESS;
203     u8_t        mm_cli_idx = 0;
204     u32_t       alloc_size = 0;
205     u16_t       num_vfs = 0;
206 
207     if CHK_NULL(pdev)
208     {
209         return LM_STATUS_INVALID_PARAMETER ;
210     }
211 
212     mm_cli_idx = LM_RESOURCE_COMMON;
213     num_vfs = pdev->hw_info.sriov_info.total_vfs;
214 
215     pdev->vfs_set.number_of_enabled_vfs = 0;
216     if (!num_vfs) {
217         DbgMessage(pdev, WARN, "lm_pf_allocate_vfs: SRIOV capability is not found\n");
218         return LM_STATUS_FAILURE;
219     } else {
220         DbgMessage(pdev, WARN, "lm_pf_allocate_vfs for %d VFs\n",num_vfs);
221     }
222     alloc_size = sizeof(lm_vf_info_t) * num_vfs;
223 
224     pdev->vfs_set.vfs_array = mm_alloc_mem(pdev, alloc_size, mm_cli_idx);
225     if CHK_NULL(pdev->vfs_set.vfs_array)
226     {
227         DbgBreakIf(DBG_BREAK_ON(MEMORY_ALLOCATION_FAILURE));
228         return LM_STATUS_RESOURCE ;
229     }
230     mm_mem_zero(pdev->vfs_set.vfs_array, alloc_size ) ;
231     pdev->vfs_set.req_resp_size = (((sizeof(union vf_pf_msg) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK)
232                                             + ((sizeof(union pf_vf_msg) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK)) * num_vfs;
233     pdev->vfs_set.req_resp_virt_addr = mm_alloc_phys_mem(pdev, pdev->vfs_set.req_resp_size,
234                                                                     &pdev->vfs_set.req_resp_phys_addr, 0, LM_RESOURCE_COMMON);
235     if CHK_NULL(pdev->vfs_set.req_resp_virt_addr)
236     {
237         DbgBreakIf(DBG_BREAK_ON(MEMORY_ALLOCATION_FAILURE));
238         return LM_STATUS_RESOURCE;
239     }
240 
241     pdev->vfs_set.pf_fw_stats_set_data_sz = ((sizeof(struct per_queue_stats) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK) * num_vfs;
242     pdev->vfs_set.pf_fw_stats_set_virt_data = mm_alloc_phys_mem(pdev, pdev->vfs_set.pf_fw_stats_set_data_sz,
243                                                                     &pdev->vfs_set.pf_fw_stats_set_phys_data, 0, LM_RESOURCE_COMMON);
244     if CHK_NULL(pdev->vfs_set.pf_fw_stats_set_virt_data)
245     {
246         DbgBreakIf(DBG_BREAK_ON(MEMORY_ALLOCATION_FAILURE));
247         return LM_STATUS_RESOURCE;
248     }
249 
250     alloc_size = sizeof(lm_stats_fw_t) * num_vfs;
251     pdev->vfs_set.mirror_stats_fw_set = mm_alloc_mem(pdev, alloc_size, mm_cli_idx);
252     if CHK_NULL(pdev->vfs_set.mirror_stats_fw_set)
253     {
254         DbgBreakIf(DBG_BREAK_ON(MEMORY_ALLOCATION_FAILURE));
255         return LM_STATUS_RESOURCE ;
256     }
257 
258     pdev->vfs_set.rss_update_size = ((sizeof(struct eth_rss_update_ramrod_data) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK) * num_vfs;
259     pdev->vfs_set.rss_update_virt_addr = mm_alloc_phys_mem(pdev, pdev->vfs_set.rss_update_size,
260                                                                     &pdev->vfs_set.rss_update_phys_addr, 0, LM_RESOURCE_COMMON);
261     if CHK_NULL(pdev->vfs_set.rss_update_virt_addr)
262     {
263         DbgBreakIf(DBG_BREAK_ON(MEMORY_ALLOCATION_FAILURE));
264         return LM_STATUS_RESOURCE;
265     }
266 
267     if (pdev->hw_info.sriov_info.sriov_control & 0x0001) {
268           lm_status = lm_pf_init_vfs(pdev, pdev->hw_info.sriov_info.num_vfs);
269           DbgMessage(pdev, WARN, "SRIOV enable(after FLR): init %d VFs: status %d\n",pdev->hw_info.sriov_info.num_vfs,lm_status);
270           if(lm_status != LM_STATUS_SUCCESS) {
271               DbgBreak();
272               return lm_status;
273           } else {
274               u16_t vf_idx;
275               DbgMessage(pdev, WARN, "lm_pf_init_vfs returns OK\n");
276               for (vf_idx = 0; vf_idx < pdev->hw_info.sriov_info.num_vfs; vf_idx++) {
277 #if 0
278                   lm_status = lm_pf_enable_vf(pdev, pdev->hw_info.sriov_info.first_vf_in_pf + vf_idx);
279                   if(lm_status != LM_STATUS_SUCCESS) {
280                       DbgMessage(pdev, WARN, "SRIOV enable(after FLR): enable VF[%d]: status %d\n",vf_idx,lm_status);
281                       DbgBreak();
282                       return lm_status;
283                   }
284 #endif
285               }
286           }
287     }
288     return lm_status;
289 }
290 
lm_pf_init_vfs(struct _lm_device_t * pdev,u16_t num_vfs)291 lm_status_t lm_pf_init_vfs(struct _lm_device_t *pdev, u16_t num_vfs)
292 {
293     lm_address_t    mem_phys;
294     u8_t *          mem_virt;
295     lm_status_t     lm_status = LM_STATUS_SUCCESS;
296     u32_t           req_resp_size;
297     u32_t           stats_size;
298     u32_t           rss_upd_size;
299     u16_t           vf_idx = 0;
300 
301     DbgBreakIf(!(pdev && num_vfs && pdev->vfs_set.vfs_array && pdev->vfs_set.req_resp_virt_addr && pdev->vfs_set.pf_fw_stats_set_virt_data));
302     MM_ACQUIRE_VFS_STATS_LOCK(pdev);
303     pdev->vfs_set.number_of_enabled_vfs = 0;
304     mm_mem_zero(pdev->vfs_set.vfs_array, sizeof(lm_vf_info_t)*num_vfs);
305     mm_mem_zero(pdev->vfs_set.mirror_stats_fw_set, sizeof(lm_stats_fw_t)*num_vfs);
306 
307     req_resp_size = ((sizeof(union vf_pf_msg) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK)
308                                             + ((sizeof(union pf_vf_msg) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK);
309     mem_phys = pdev->vfs_set.req_resp_phys_addr;
310     mem_virt = pdev->vfs_set.req_resp_virt_addr;
311 
312     for (vf_idx = 0; vf_idx < num_vfs; vf_idx++) {
313         pdev->vfs_set.vfs_array[vf_idx].pf_vf_response.response_phys_addr = mem_phys;
314         LM_INC64(&mem_phys, req_resp_size);
315         pdev->vfs_set.vfs_array[vf_idx].pf_vf_response.request_virt_addr = mem_virt;
316         mem_virt += req_resp_size;
317         pdev->vfs_set.vfs_array[vf_idx].pf_vf_response.request_size = req_resp_size;
318         pdev->vfs_set.vfs_array[vf_idx].pf_vf_response.req_resp_state = VF_PF_WAIT_FOR_START_REQUEST;
319         pdev->vfs_set.vfs_array[vf_idx].relative_vf_id = (u8_t)vf_idx;
320         pdev->vfs_set.vfs_array[vf_idx].abs_vf_id = (u8_t)(vf_idx + pdev->hw_info.sriov_info.first_vf_in_pf);
321     }
322 
323     stats_size = (sizeof(struct per_queue_stats) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK;
324     mem_phys = pdev->vfs_set.pf_fw_stats_set_phys_data;
325     mem_virt = pdev->vfs_set.pf_fw_stats_set_virt_data;
326     for (vf_idx = 0; vf_idx < num_vfs; vf_idx++) {
327         pdev->vfs_set.vfs_array[vf_idx].vf_stats.pf_fw_stats_phys_data = mem_phys;
328         LM_INC64(&mem_phys, stats_size);
329         pdev->vfs_set.vfs_array[vf_idx].vf_stats.pf_fw_stats_virt_data = (struct per_queue_stats *)mem_virt;
330         mem_virt += stats_size;
331         pdev->vfs_set.vfs_array[vf_idx].vf_stats.mirror_stats_fw = pdev->vfs_set.mirror_stats_fw_set + sizeof(lm_stats_fw_t) * vf_idx;
332     }
333 
334     rss_upd_size = (sizeof(struct eth_rss_update_ramrod_data) + CACHE_LINE_SIZE_MASK) & ~CACHE_LINE_SIZE_MASK;
335     mem_phys = pdev->vfs_set.rss_update_phys_addr;
336     mem_virt = pdev->vfs_set.rss_update_virt_addr;
337     for (vf_idx = 0; vf_idx < num_vfs; vf_idx++) {
338         pdev->vfs_set.vfs_array[vf_idx].vf_slowpath_info.slowpath_data.rss_rdata_phys = mem_phys;
339         LM_INC64(&mem_phys, rss_upd_size);
340         pdev->vfs_set.vfs_array[vf_idx].vf_slowpath_info.slowpath_data.rss_rdata = (struct eth_rss_update_ramrod_data *)mem_virt;
341         mem_virt += rss_upd_size;
342     }
343     pdev->vfs_set.number_of_enabled_vfs = num_vfs;
344     mm_mem_zero(pdev->pf_resources.free_sbs,sizeof(pdev->pf_resources.free_sbs));
345     mm_mem_zero(pdev->pf_resources.free_fw_clients,sizeof(pdev->pf_resources.free_fw_clients));
346     mm_mem_zero(pdev->pf_resources.free_sw_clients,sizeof(pdev->pf_resources.free_sw_clients));
347     MM_RELEASE_VFS_STATS_LOCK(pdev);
348     return lm_status;
349 }
350 
351 #if 0
352 lm_status_t lm_pf_clear_vfs(struct _lm_device_t * pf_dev)
353 {
354     /* TODO: Clean VF Database for FLR needs? */
355     lm_status_t lm_status = LM_STATUS_SUCCESS;
356     u32_t base_vfid, vfid;
357     u16_t pretend_val;
358     u16_t ind_cids, start_cid, end_cid;
359 
360     DbgMessage(pf_dev, FATAL, "vf disable\n");
361     start_cid = (((1 << LM_VF_MAX_RVFID_SIZE) | 0) <<  LM_VF_CID_WND_SIZE); //1st possible abs VF_ID
362     end_cid = (((1 << LM_VF_MAX_RVFID_SIZE) | 63) <<  LM_VF_CID_WND_SIZE); //last possible abs VF_ID
363     DbgMessage(pf_dev, FATAL, "vf disable: clear VFs connections from %d till %d\n",start_cid, end_cid);
364     for (ind_cids = MAX_ETH_CONS; ind_cids < ETH_MAX_RX_CLIENTS_E2; ind_cids++) {
365         pf_dev->vars.connections[ind_cids].con_state = LM_CON_STATE_CLOSE;
366     }
367 
368     if (lm_is_function_after_flr(pf_dev)) {
369         pf_dev->vfs_set.number_of_enabled_vfs = 0;
370         DbgMessage(pf_dev, FATAL, "vf disable called on a flred function - not much we can do here... \n");
371         return LM_STATUS_SUCCESS;
372     }
373     /* if MCP does not exist for each vf in pf, need to pretend to it and disable igu vf_msix and internal vfid enable bit */
374     if (GET_FLAGS( pf_dev->params.test_mode, TEST_MODE_NO_MCP)){
375         DbgMessage(pf_dev, FATAL, "bootcode is down fix sriov disable.\n");
376         base_vfid = pf_dev->hw_info.sriov_info.first_vf_in_pf;
377         for (vfid = base_vfid; vfid < base_vfid + pf_dev->vfs_set.number_of_enabled_vfs; vfid++ ) {
378             pretend_val = ABS_FUNC_ID(pf_dev) | (1<<3) | (vfid << 4);
379             lm_pretend_func(pf_dev, pretend_val);
380 
381             REG_WR(pf_dev, IGU_REG_PCI_VF_MSIX_EN, 0);
382             REG_WR(pf_dev, IGU_REG_PCI_VF_MSIX_FUNC_MASK, 0);
383             REG_WR(pf_dev, PGLUE_B_REG_INTERNAL_VFID_ENABLE, 0);
384 
385             lm_pretend_func(pf_dev, ABS_FUNC_ID(pf_dev) );
386         }
387 
388         /* This is a clear-on-write register, therefore we actually write 1 to the bit we want to reset */
389         REG_WR(pf_dev, 0x24d8, 1<<29);
390 
391         REG_WR(pf_dev, PGLUE_B_REG_SR_IOV_DISABLED_REQUEST_CLR ,(1<<ABS_FUNC_ID(pf_dev)));
392         //REG_WR(pf_dev, PGLUE_B_REG_DISABLE_FLR_SRIOV_DISABLED, PGLUE_B_DISABLE_FLR_SRIOV_DISABLED_REG_DISABLE_SRIOV_DISABLED_REQUEST);*/
393     }
394     pf_dev->vfs_set.number_of_enabled_vfs = 0;
395     return lm_status;
396 }
397 #endif
398 
lm_pf_set_vf_ctx(struct _lm_device_t * pdev,u16_t vf_id,void * ctx)399 lm_status_t lm_pf_set_vf_ctx(struct _lm_device_t *pdev, u16_t vf_id, void* ctx)
400 {
401     lm_status_t lm_status = LM_STATUS_SUCCESS;
402     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
403     DbgBreakIf(!vf_info);
404     if (vf_info != NULL) {
405         vf_info->um_ctx = ctx;
406         vf_info->vf_si_state = PF_SI_WAIT_FOR_ACQUIRING_REQUEST;
407         vf_info->pf_vf_response.req_resp_state = VF_PF_WAIT_FOR_START_REQUEST;
408     } else {
409         lm_status = LM_STATUS_FAILURE;
410     }
411     return lm_status;
412 }
413 
lm_pf_set_vf_stat_id(struct _lm_device_t * pdev,u16_t vf_id,u8_t base_fw_stats_id)414 lm_status_t lm_pf_set_vf_stat_id(struct _lm_device_t *pdev,
415                                    u16_t vf_id,
416                                    u8_t base_fw_stats_id)
417 {
418     lm_status_t lm_status = LM_STATUS_SUCCESS;
419     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
420     DbgBreakIf(!vf_info);
421     if (vf_info != NULL) {
422         vf_info->base_fw_stats_id = base_fw_stats_id;
423         DbgMessage(pdev, WARN, "VF[%d]: Stat ID: %d(FW)\n", vf_id, base_fw_stats_id);
424     } else {
425         lm_status = LM_STATUS_FAILURE;
426     }
427     return lm_status;
428 }
429 
lm_pf_is_vf_mac_set(struct _lm_device_t * pdev,u16_t vf_id)430 u8_t lm_pf_is_vf_mac_set(struct _lm_device_t *pdev, u16_t vf_id)
431 {
432     u8_t is_mac_set = FALSE;
433     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
434     DbgBreakIf(!vf_info);
435     if (vf_info != NULL) {
436         is_mac_set = vf_info->is_mac_set;
437     }
438     return is_mac_set;
439 }
440 
lm_pf_set_vf_base_cam_idx(struct _lm_device_t * pdev,u16_t vf_id,u32_t base_cam_idx)441 lm_status_t lm_pf_set_vf_base_cam_idx(struct _lm_device_t *pdev, u16_t vf_id, u32_t base_cam_idx)
442 {
443     lm_status_t lm_status = LM_STATUS_SUCCESS;
444     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
445     DbgBreakIf(!vf_info);
446     if (vf_info != NULL) {
447         vf_info->base_cam_offset = base_cam_idx;
448     } else {
449         lm_status = LM_STATUS_FAILURE;
450     }
451     return lm_status;
452 }
453 
lm_pf_get_sw_client_idx_from_cid(struct _lm_device_t * pdev,u32_t cid)454 u32_t lm_pf_get_sw_client_idx_from_cid(struct _lm_device_t *pdev, u32_t cid)
455 {
456     u32_t client_info_idx = 0xFFFFFFFF;
457     u8_t  abs_vf_id = 0xff;
458     u8_t  vf_q_id = 0xff;
459     lm_vf_info_t * vf_info = NULL;
460 
461     DbgBreakIf(!IS_CHANNEL_VIRT_MODE_MASTER_PFDEV(pdev));
462 
463     /* Either MP is disabled OR enabled but not a tx-only connection */
464     if (cid < MAX_RX_CHAIN(pdev))
465     {
466         client_info_idx = cid;
467     }
468     else
469     {
470         abs_vf_id = GET_ABS_VF_ID_FROM_PF_CID(cid);
471         vf_q_id = GET_VF_Q_ID_FROM_PF_CID(cid);
472         vf_info = lm_pf_find_vf_info_by_abs_id(pdev, abs_vf_id);
473         DbgBreakIf(!vf_info);
474         client_info_idx = LM_SW_VF_CLI_ID(vf_info, vf_q_id);
475     }
476     return client_info_idx;
477 }
478 
lm_pf_get_fw_client_idx_from_cid(struct _lm_device_t * pdev,u32_t cid)479 u32_t lm_pf_get_fw_client_idx_from_cid(struct _lm_device_t *pdev, u32_t cid)
480 {
481     u32_t client_info_idx = 0xFFFFFFFF;
482     u8_t  abs_vf_id = 0xff;
483     u8_t  vf_q_id = 0xff;
484     lm_vf_info_t * vf_info = NULL;
485 
486     DbgBreakIf(!IS_CHANNEL_VIRT_MODE_MASTER_PFDEV(pdev));
487 
488     if (cid < MAX_RX_CHAIN(pdev)) {
489         client_info_idx = LM_FW_CLI_ID(pdev,cid);
490     } else {
491         abs_vf_id = GET_ABS_VF_ID_FROM_PF_CID(cid);
492         vf_q_id = GET_VF_Q_ID_FROM_PF_CID(cid);
493         vf_info = lm_pf_find_vf_info_by_abs_id(pdev, abs_vf_id);
494         DbgBreakIf(!vf_info);
495         client_info_idx = LM_FW_VF_CLI_ID(vf_info, vf_q_id);
496     }
497     return client_info_idx;
498 }
499 
lm_vf_get_free_resource(u32_t * resource,u8_t min_num,u8_t max_num,u8_t num)500 u8_t lm_vf_get_free_resource(u32_t * resource, u8_t min_num, u8_t max_num, u8_t num)
501 {
502     u8_t i,j;
503     u8_t base_value = 0xff;
504 
505     for (i = min_num; i <= (max_num - num); i++) {
506         u8_t  ind,offset;
507         for (j = 0; j < num; j++) {
508             ind = (i + j) / ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
509             offset = (i+j) % ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
510             if (resource[ind] & (1 << offset)) {
511                 break;
512             }
513         }
514         if (j == num) {
515             base_value = i;
516             break;
517         }
518     }
519     return base_value;
520 }
521 
lm_vf_acquire_resource(u32_t * presource,u8_t base_value,u8_t num)522 void lm_vf_acquire_resource(u32_t * presource, u8_t base_value, u8_t num)
523 {
524     int i,ind,offset;
525     for (i = base_value; i < (base_value + num); i++) {
526         ind = i / ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
527         offset = i % ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
528         presource[ind] |= (1 << offset);
529     }
530 
531     return;
532 }
533 
lm_vf_get_resource_value(u32_t * presource,u8_t base_value)534 u8_t lm_vf_get_resource_value(u32_t * presource, u8_t base_value)
535 {
536     u8_t value;
537     int ind,offset;
538 
539     ind = base_value / ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
540     offset = base_value % ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
541     value = presource[ind] & (1 << offset);
542 
543     return value;
544 }
545 
lm_vf_release_resource(u32_t * presource,u8_t base_value,u8_t num)546 void lm_vf_release_resource(u32_t * presource, u8_t base_value, u8_t num)
547 {
548     int i,ind,offset;
549     for (i = base_value; i < (base_value + num); i++) {
550         ind = i / ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
551         offset = i % ELEM_OF_RES_ARRAY_SIZE_IN_BITS;
552         presource[ind] &= ~(1 << offset);
553     }
554 
555     return;
556 }
557 
558 #ifndef ARRAY_SIZE
559 #define ARRAY_SIZE(arr)	(sizeof(arr) / sizeof((arr)[0]))
560 #endif
561 
lm_pf_acquire_vf_chains_resources(struct _lm_device_t * pdev,u16_t vf_id,u32_t num_chains)562 u8_t lm_pf_acquire_vf_chains_resources(struct _lm_device_t *pdev, u16_t vf_id, u32_t num_chains)
563 {
564     u32_t chain_idx;
565     u8_t min_ndsb;
566     u8_t min_fw_client, current_fw_client;
567     u8_t min_sw_client = MAX_RX_CHAIN(pdev);
568     u8_t client_info_entries;
569 
570     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
571 
572     MM_ACQUIRE_PF_LOCK(pdev);
573     vf_info->num_allocated_chains = 0;
574     min_ndsb = pdev->params.max_pf_sb_cnt;
575     min_fw_client = pdev->params.max_pf_fw_client_cnt;
576     DbgBreakIf(pdev->params.fw_client_cnt <= pdev->params.max_pf_fw_client_cnt);
577     client_info_entries = pdev->params.fw_client_cnt;
578 
579     if (min_sw_client < pdev->params.max_pf_fw_client_cnt)
580     {
581         min_sw_client = pdev->params.max_pf_fw_client_cnt;
582     }
583     for (chain_idx = 0; chain_idx < num_chains; chain_idx++) {
584         vf_info->vf_chains[chain_idx].sw_ndsb = lm_vf_get_free_resource(pdev->pf_resources.free_sbs, min_ndsb,
585                                                                         pdev->params.fw_sb_cnt, 1);
586         if (vf_info->vf_chains[chain_idx].sw_ndsb == 0xFF) {
587             DbgMessage(pdev, FATAL, "No SBs from %d to %d\n",min_ndsb,pdev->params.fw_sb_cnt);
588             break;
589         }
590         vf_info->vf_chains[chain_idx].fw_ndsb = LM_FW_SB_ID(pdev,vf_info->vf_chains[chain_idx].sw_ndsb);
591         min_ndsb = vf_info->vf_chains[chain_idx].sw_ndsb + 1;
592 #if 0
593         current_fw_client = lm_vf_get_free_resource(pdev->pf_resources.free_fw_clients, min_fw_client,
594                                                                         pdev->params.fw_client_cnt, 1);
595         if (current_fw_client == 0xFF) {
596 
597             DbgMessage(pdev, FATAL, "No FW Clients from %d to %d\n",min_fw_client,pdev->params.fw_client_cnt);
598             break;
599         }
600 #endif
601         current_fw_client = vf_info->vf_chains[chain_idx].sw_client_id = lm_vf_get_free_resource(pdev->pf_resources.free_sw_clients, min_sw_client, client_info_entries, 1);
602         if (vf_info->vf_chains[chain_idx].sw_client_id == 0xFF) {
603 
604             DbgMessage(pdev, FATAL, "No Clients from %d to %d\n",min_sw_client,client_info_entries);
605             break;
606         }
607 
608         vf_info->vf_chains[chain_idx].fw_client_id = LM_FW_CLI_ID(pdev,current_fw_client);
609         vf_info->vf_chains[chain_idx].fw_qzone_id =  LM_FW_DHC_QZONE_ID(pdev, vf_info->vf_chains[chain_idx].sw_ndsb);
610 
611         min_fw_client = current_fw_client + 1;
612         min_sw_client = vf_info->vf_chains[chain_idx].sw_client_id + 1;
613         vf_info->num_allocated_chains++;
614     }
615     if (vf_info->num_allocated_chains) {
616         for (chain_idx = 0; chain_idx < vf_info->num_allocated_chains; chain_idx++) {
617             lm_vf_acquire_resource(pdev->pf_resources.free_sbs, vf_info->vf_chains[chain_idx].sw_ndsb, 1);
618             lm_vf_acquire_resource(pdev->pf_resources.free_fw_clients, vf_info->vf_chains[chain_idx].fw_client_id - pdev->params.base_fw_client_id, 1);
619             lm_vf_acquire_resource(pdev->pf_resources.free_sw_clients, vf_info->vf_chains[chain_idx].sw_client_id, 1);
620             DbgMessage(pdev, WARN, "VF[%d(rel)] received resourses for chain %d: SW_NDSB=%d, FW_CLIENT_ID=%d, SW_CLIENT_ID=%d\n",
621                         vf_id,
622                         chain_idx,
623                         vf_info->vf_chains[chain_idx].sw_ndsb,
624                         vf_info->vf_chains[chain_idx].fw_client_id - pdev->params.base_fw_client_id,
625                         vf_info->vf_chains[chain_idx].sw_client_id);
626         }
627     }
628 
629     MM_RELEASE_PF_LOCK(pdev);
630     return vf_info->num_allocated_chains;
631 }
632 
lm_pf_release_vf_chains_resources(struct _lm_device_t * pdev,u16_t vf_id)633 void lm_pf_release_vf_chains_resources(struct _lm_device_t *pdev, u16_t vf_id)
634 {
635     u8_t num_chains, chain_idx;
636     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
637 
638     num_chains = vf_info->num_allocated_chains;
639     if (!vf_info->was_malicious)
640     {
641         MM_ACQUIRE_PF_LOCK(pdev);
642         for (chain_idx = 0; chain_idx < num_chains; chain_idx++)
643         {
644             lm_vf_release_resource(pdev->pf_resources.free_sbs, vf_info->vf_chains[chain_idx].sw_ndsb, 1);
645             lm_vf_release_resource(pdev->pf_resources.free_fw_clients, vf_info->vf_chains[chain_idx].fw_client_id - pdev->params.base_fw_client_id, 1);
646             lm_vf_release_resource(pdev->pf_resources.free_sw_clients, vf_info->vf_chains[chain_idx].sw_client_id, 1);
647         }
648         MM_RELEASE_PF_LOCK(pdev);
649     }
650     return;
651 }
652 
lm_pf_release_separate_vf_chain_resources(struct _lm_device_t * pdev,u16_t vf_id,u8_t chain_num)653 void lm_pf_release_separate_vf_chain_resources(struct _lm_device_t *pdev, u16_t vf_id, u8_t chain_num)
654 {
655     lm_vf_info_t * vf_info = lm_pf_find_vf_info_by_rel_id(pdev, vf_id);
656 
657     if (!vf_info->was_malicious)
658     {
659         if (chain_num < vf_info->num_allocated_chains)
660         {
661             MM_ACQUIRE_PF_LOCK(pdev);
662             lm_vf_release_resource(pdev->pf_resources.free_sbs, vf_info->vf_chains[chain_num].sw_ndsb, 1);
663             lm_vf_release_resource(pdev->pf_resources.free_fw_clients, vf_info->vf_chains[chain_num].fw_client_id - pdev->params.base_fw_client_id, 1);
664             lm_vf_release_resource(pdev->pf_resources.free_sw_clients, vf_info->vf_chains[chain_num].sw_client_id, 1);
665             MM_RELEASE_PF_LOCK(pdev);
666         }
667     }
668     return;
669 }
670 
lm_pf_init_vf_client(struct _lm_device_t * pdev,lm_vf_info_t * vf_info,u8_t q_id)671 void lm_pf_init_vf_client(struct _lm_device_t *pdev, lm_vf_info_t *vf_info, u8_t q_id)
672 {
673 
674     ecore_init_mac_obj(pdev,
675                    &pdev->client_info[LM_SW_VF_CLI_ID(vf_info,q_id)].mac_obj,
676                    LM_FW_VF_CLI_ID(vf_info,q_id),
677                    LM_VF_Q_ID_TO_PF_CID(pdev, vf_info, q_id),
678                    FUNC_ID(pdev),
679                    LM_SLOWPATH(pdev, mac_rdata)[LM_CLI_IDX_NDIS],
680                    LM_SLOWPATH_PHYS(pdev, mac_rdata)[LM_CLI_IDX_NDIS],
681                    ECORE_FILTER_MAC_PENDING,
682                    (unsigned long *)&pdev->client_info[LM_SW_VF_CLI_ID(vf_info,q_id)].sp_mac_state,
683                    ECORE_OBJ_TYPE_RX_TX,
684                    &pdev->slowpath_info.macs_pool);
685 
686     if (!CHIP_IS_E1(pdev))
687     {
688         ecore_init_vlan_mac_obj(pdev,
689                            &pdev->client_info[LM_SW_VF_CLI_ID(vf_info,q_id)].mac_vlan_obj,
690                            LM_FW_VF_CLI_ID(vf_info,q_id),
691                            LM_VF_Q_ID_TO_PF_CID(pdev, vf_info, q_id),
692                            FUNC_ID(pdev),
693                            LM_SLOWPATH(pdev, mac_rdata)[LM_CLI_IDX_NDIS],
694                            LM_SLOWPATH_PHYS(pdev, mac_rdata)[LM_CLI_IDX_NDIS],
695                            ECORE_FILTER_VLAN_MAC_PENDING,
696                            (unsigned long *)&pdev->client_info[LM_SW_VF_CLI_ID(vf_info,q_id)].sp_mac_state,
697                            ECORE_OBJ_TYPE_RX_TX,
698                            &pdev->slowpath_info.macs_pool,
699                            &pdev->slowpath_info.vlans_pool);
700     }
701 
702     return;
703 }
704 
lm_pf_init_vf_slow_path(struct _lm_device_t * pdev,lm_vf_info_t * vf_info)705 void lm_pf_init_vf_slow_path(struct _lm_device_t *pdev, lm_vf_info_t *vf_info)
706 {
707 
708     ecore_init_rss_config_obj(pdev,
709                               &vf_info->vf_slowpath_info.rss_conf_obj,
710                               LM_FW_VF_CLI_ID(vf_info, LM_SW_LEADING_RSS_CID(pdev)),
711                               LM_VF_Q_ID_TO_PF_CID(pdev, vf_info,LM_SW_LEADING_RSS_CID(pdev)),
712                               vf_info->abs_vf_id,
713                               8 + vf_info->abs_vf_id,
714                               LM_VF_SLOWPATH(vf_info, rss_rdata),
715                               LM_VF_SLOWPATH_PHYS(vf_info, rss_rdata),
716                               ECORE_FILTER_RSS_CONF_PENDING,
717                               (unsigned long *)&vf_info->vf_slowpath_info.sp_rss_state,
718                               ECORE_OBJ_TYPE_RX);
719     vf_info->was_malicious = FALSE;
720     return;
721 }
722 
lm_pf_vf_wait_for_stats_ready(struct _lm_device_t * pdev,lm_vf_info_t * vf_info)723 lm_status_t lm_pf_vf_wait_for_stats_ready(struct _lm_device_t *pdev, lm_vf_info_t *vf_info)
724 {
725     return lm_wait_state_change(pdev, &vf_info->vf_stats.vf_stats_state, VF_STATS_REQ_READY);
726 }
727 
lm_pf_init_vf_client_init_data(struct _lm_device_t * pdev,lm_vf_info_t * vf_info,u8_t q_id,struct sw_vf_pf_rxq_params * rxq_params,struct sw_vf_pf_txq_params * txq_params)728 lm_status_t lm_pf_init_vf_client_init_data(struct _lm_device_t *pdev, lm_vf_info_t *vf_info, u8_t q_id,
729                                            struct sw_vf_pf_rxq_params * rxq_params,
730                                            struct sw_vf_pf_txq_params * txq_params)
731 {
732     lm_status_t     lm_status = LM_STATUS_SUCCESS;
733     struct client_init_ramrod_data *
734                     client_init_data_virt = NULL;
735     lm_address_t    q_addr;
736     u16_t           client_interrupt_moderation_level;
737 
738     client_init_data_virt = &(pdev->client_info[LM_SW_VF_CLI_ID(vf_info,q_id)].client_init_data_virt->init_data);
739 
740     if CHK_NULL(client_init_data_virt)
741     {
742         return LM_STATUS_FAILURE;
743     }
744 
745     /* General Structure */
746 
747     client_init_data_virt->general.activate_flg          = 1;
748     client_init_data_virt->general.client_id             = LM_FW_VF_CLI_ID(vf_info, q_id);
749     client_init_data_virt->general.is_fcoe_flg           = FALSE;
750     client_init_data_virt->general.statistics_counter_id = LM_FW_VF_STATS_CNT_ID(vf_info);
751     client_init_data_virt->general.statistics_en_flg     = TRUE;
752     client_init_data_virt->general.sp_client_id          = LM_FW_CLI_ID(pdev, LM_SW_LEADING_RSS_CID(pdev));
753     client_init_data_virt->general.mtu                   = mm_cpu_to_le16((u16_t)rxq_params->mtu);
754     client_init_data_virt->general.func_id               = 8 + vf_info->abs_vf_id;
755     client_init_data_virt->general.cos                   = 0;//The connection cos, if applicable only if STATIC_COS is set
756     client_init_data_virt->general.traffic_type          = LLFC_TRAFFIC_TYPE_NW;
757     client_init_data_virt->general.fp_hsi_ver            = vf_info->fp_hsi_ver;
758 
759     client_init_data_virt->rx.status_block_id               = LM_FW_VF_SB_ID(vf_info,q_id); //LM_FW_VF_SB_ID(vf_info, LM_VF_Q_TO_SB_ID(vf_info,q_id));
760     client_init_data_virt->rx.client_qzone_id               = LM_FW_VF_QZONE_ID(vf_info, q_id);
761    // client_init_data_virt->rx.tpa_en_flg                    = FALSE;
762     client_init_data_virt->rx.max_agg_size                  = mm_cpu_to_le16(0); /* TPA related only  */;
763     client_init_data_virt->rx.extra_data_over_sgl_en_flg    = FALSE;
764     if (rxq_params->flags & SW_VFPF_QUEUE_FLG_CACHE_ALIGN) {
765         client_init_data_virt->rx.cache_line_alignment_log_size = rxq_params->cache_line_log;
766     } else {
767         client_init_data_virt->rx.cache_line_alignment_log_size = (u8_t)LOG2(CACHE_LINE_SIZE/* TODO mm_get_cache_line_alignment()*/);
768     }
769 
770     if (pdev->params.int_coalesing_mode == LM_INT_COAL_PERIODIC_SYNC)
771     {
772         client_interrupt_moderation_level = vf_info->current_interrupr_moderation;
773         if ((rxq_params->flags & SW_VFPF_QUEUE_FLG_DHC)) {
774             client_init_data_virt->rx.enable_dynamic_hc = TRUE;
775         } else {
776             client_init_data_virt->rx.enable_dynamic_hc = FALSE;
777             if (client_interrupt_moderation_level == VPORT_INT_MOD_ADAPTIVE)
778             {
779                 client_interrupt_moderation_level = VPORT_INT_MOD_UNDEFINED;
780             }
781         }
782     }
783     else
784     {
785         client_init_data_virt->rx.enable_dynamic_hc = FALSE;
786         client_interrupt_moderation_level = VPORT_INT_MOD_OFF;
787     }
788     lm_pf_update_vf_ndsb(pdev, vf_info, q_id, client_interrupt_moderation_level);
789 
790     client_init_data_virt->rx.outer_vlan_removal_enable_flg = IS_MULTI_VNIC(pdev)? TRUE: FALSE;
791     client_init_data_virt->rx.inner_vlan_removal_enable_flg = TRUE; //= !pdev->params.keep_vlan_tag;
792 
793     client_init_data_virt->rx.state = CLIENT_INIT_RX_DATA_ACCEPT_ANY_VLAN;   /*If VF L2 client established without "accept_any_vlan" flag, the firmware is trying */
794     client_init_data_virt->tx.state = CLIENT_INIT_TX_DATA_ACCEPT_ANY_VLAN;   /*to match packets with both MAC and VLAN, fails and send the packet to
795                                                                                the network (transfer leakage).
796                                                                                The "accept_any_vlan" is only set later in the "set rx mode" command,
797                                                                                and then the TX-switching is working again.*/
798 
799     q_addr.as_u64 = rxq_params->rxq_addr;
800     client_init_data_virt->rx.bd_page_base.lo= mm_cpu_to_le32(q_addr.as_u32.low);
801     client_init_data_virt->rx.bd_page_base.hi= mm_cpu_to_le32(q_addr.as_u32.high);
802 
803     q_addr.as_u64 = rxq_params->rcq_addr;
804     client_init_data_virt->rx.cqe_page_base.lo = mm_cpu_to_le32(q_addr.as_u32.low);
805     client_init_data_virt->rx.cqe_page_base.hi = mm_cpu_to_le32(q_addr.as_u32.high);
806 
807 
808     if (!q_id) {
809         client_init_data_virt->rx.is_leading_rss = TRUE;
810     }
811     client_init_data_virt->rx.is_approx_mcast = TRUE;
812 
813     client_init_data_virt->rx.approx_mcast_engine_id = 8 + vf_info->abs_vf_id;
814     client_init_data_virt->rx.rss_engine_id          = 8 + vf_info->abs_vf_id;
815 
816     client_init_data_virt->rx.max_bytes_on_bd = mm_cpu_to_le16((rxq_params->buf_sz) - (pdev)->params.rcv_buffer_offset);
817 
818 
819     /* Status block index init we do for Rx + Tx together so that we ask which cid we are only once */
820     client_init_data_virt->rx.rx_sb_index_number = rxq_params->sb_index;
821     client_init_data_virt->tx.tx_sb_index_number = txq_params->sb_index;
822 
823     /* TX Data (remaining , sb index above...)  */
824     /* ooo cid doesn't have a tx chain... */
825     q_addr.as_u64 = txq_params->txq_addr;
826     client_init_data_virt->tx.tx_bd_page_base.hi = mm_cpu_to_le32(q_addr.as_u32.high);
827     client_init_data_virt->tx.tx_bd_page_base.lo = mm_cpu_to_le32(q_addr.as_u32.low);
828 
829     client_init_data_virt->tx.tx_status_block_id = LM_FW_VF_SB_ID(vf_info,txq_params->vf_sb);
830 
831     client_init_data_virt->tx.enforce_security_flg = TRUE;//FALSE; /* TBD: turn on for KVM VF? */
832 
833     /* Tx Switching... */
834     client_init_data_virt->tx.tss_leading_client_id = LM_FW_VF_CLI_ID(vf_info, 0);
835 #ifdef __LINUX
836     client_init_data_virt->tx.tx_switching_flg = FALSE;
837     client_init_data_virt->tx.anti_spoofing_flg = FALSE;
838 #else
839     client_init_data_virt->tx.tx_switching_flg = TRUE;
840     client_init_data_virt->tx.anti_spoofing_flg = TRUE;
841 #endif
842     /* FC */
843 #if 0
844     if (pdev->params.l2_fw_flow_ctrl)
845     {
846         u16_t low_thresh  = mm_cpu_to_le16(min(250, ((u16_t)(LM_RXQ(pdev, cid).common.desc_cnt))/4));
847         u16_t high_thresh = mm_cpu_to_le16(min(350, ((u16_t)(LM_RXQ(pdev, cid).common.desc_cnt))/2));
848 
849         client_init_data_virt->fc.cqe_pause_thr_low  = low_thresh;
850         client_init_data_virt->fc.bd_pause_thr_low   = low_thresh;
851         client_init_data_virt->fc.sge_pause_thr_low  = 0;
852         client_init_data_virt->fc.rx_cos_mask        = 1;
853         client_init_data_virt->fc.cqe_pause_thr_high = high_thresh;
854         client_init_data_virt->fc.bd_pause_thr_high  = high_thresh;
855         client_init_data_virt->fc.sge_pause_thr_high = 0;
856     }
857 #endif
858 
859     client_init_data_virt->tx.refuse_outband_vlan_flg = 0;
860 
861     // for encapsulated packets
862     // the hw ip id will be the inner ip id, the hw will incremnet the inner ip id
863     // this means that if the outer ip header is ipv4, its ip id will not be incremented.
864     client_init_data_virt->tx.tunnel_lso_inc_ip_id = INT_HEADER;
865     // In case of non-Lso encapsulated packets with L4 checksum offload, the pseudo checksum location - on BD
866     client_init_data_virt->tx.tunnel_non_lso_pcsum_location = CSUM_ON_BD;
867     // In case of non-Lso encapsulated packets with outer L3 ip checksum offload, the pseudo checksum location - on BD
868     client_init_data_virt->tx.tunnel_non_lso_outer_ip_csum_location = CSUM_ON_BD;
869 
870     return lm_status;
871 }
872 
lm_pf_is_sriov_valid(struct _lm_device_t * pdev)873 u8_t lm_pf_is_sriov_valid(struct _lm_device_t *pdev)
874 {
875     u8_t res = FALSE;
876     if (IS_PFDEV(pdev)) {
877         if (pdev->hw_info.sriov_info.total_vfs) {
878             DbgMessage(pdev, FATAL, "The card has valid SRIOV caps\n");
879             res = TRUE;
880         } else {
881             DbgMessage(pdev, FATAL, "The card has not valid SRIOV caps\n");
882             res = FALSE;
883         }
884     } else {
885         DbgMessage(pdev, FATAL, "Request of validity SRIOV caps is not applicable for VF\n");
886         res = FALSE;
887     }
888     return res;
889 }
890 
lm_pf_allocate_vf_igu_sbs(lm_device_t * pdev,lm_vf_info_t * vf_info,u8_t num_of_igu_sbs)891 u8_t lm_pf_allocate_vf_igu_sbs(lm_device_t *pdev, lm_vf_info_t *vf_info, u8_t num_of_igu_sbs)
892 {
893     u8_t    num_of_vf_desired_vf_chains;
894     u8_t    idx;
895     u8_t    starting_from = 0;
896     if ((pdev == NULL) || (vf_info == NULL))
897     {
898         DbgBreak();
899         return 0;
900     }
901     vf_info->num_igu_sb_available = lm_pf_get_vf_available_igu_blocks(pdev);
902     if (vf_info->num_igu_sb_available == 0)
903     {
904         return 0;
905     }
906 
907     num_of_vf_desired_vf_chains = min(vf_info->num_igu_sb_available, LM_VF_CHAINS_PER_PF(pdev));
908     num_of_vf_desired_vf_chains = min(num_of_vf_desired_vf_chains, num_of_igu_sbs);
909     MM_ACQUIRE_PF_LOCK(pdev);
910     for (idx = 0; idx < num_of_vf_desired_vf_chains; idx++)
911     {
912         starting_from = vf_info->vf_chains[idx].igu_sb_id = lm_pf_get_next_free_igu_block_id(pdev, starting_from);
913         if (starting_from == 0xFF)
914         {
915             break;
916         }
917         lm_pf_acquire_vf_igu_block(pdev, starting_from, vf_info->abs_vf_id, idx);
918     }
919     MM_RELEASE_PF_LOCK(pdev);
920     num_of_vf_desired_vf_chains = idx;
921 #if 0
922     vf_info->num_igu_sb_available = pdev->hw_info.intr_blk_info.igu_info.vf_igu_info[vf_info->abs_vf_id].igu_sb_cnt;
923     num_of_vf_desired_vf_chains = min(vf_info->num_igu_sb_available, num_of_igu_sbs);
924     for (idx = 0; idx < num_of_vf_desired_vf_chains; idx++)
925     {
926         vf_info->vf_chains[idx].igu_sb_id = pdev->hw_info.intr_blk_info.igu_info.vf_igu_info[vf_info->abs_vf_id].igu_base_sb + idx;
927     }
928 #endif
929     return num_of_vf_desired_vf_chains;
930 }
931 
lm_pf_release_vf_igu_sbs(struct _lm_device_t * pdev,struct _lm_vf_info_t * vf_info)932 void lm_pf_release_vf_igu_sbs(struct _lm_device_t *pdev, struct _lm_vf_info_t *vf_info)
933 {
934     return;
935 }
936 
lm_pf_get_max_number_of_vf_igu_sbs(lm_device_t * pdev)937 u8_t lm_pf_get_max_number_of_vf_igu_sbs(lm_device_t *pdev)
938 {
939     u8_t max_igu_sbs = pdev->hw_info.sriov_info.total_vfs
940         * pdev->hw_info.intr_blk_info.igu_info.vf_igu_info[0].igu_sb_cnt;
941     return max_igu_sbs;
942 }
943 
lm_pf_get_next_free_igu_block_id(lm_device_t * pdev,u8_t starting_from)944 u8_t lm_pf_get_next_free_igu_block_id(lm_device_t *pdev, u8_t starting_from)
945 {
946     u8_t igu_sb_idx;
947     u8_t igu_free_sb_id = 0xFF;
948     for (igu_sb_idx = starting_from; igu_sb_idx < IGU_REG_MAPPING_MEMORY_SIZE; igu_sb_idx++ )
949     {
950         lm_igu_block_t * lm_igu_sb = &IGU_SB(pdev,igu_sb_idx);
951         if (lm_igu_sb->status & LM_IGU_STATUS_AVAILABLE)
952         {
953             if (!(lm_igu_sb->status & LM_IGU_STATUS_PF) && !(lm_igu_sb->status & LM_IGU_STATUS_BUSY))
954             {
955                 igu_free_sb_id = igu_sb_idx;
956                 break;
957             }
958         }
959     }
960     return igu_free_sb_id;
961 }
962 
lm_pf_clear_vf_igu_blocks(lm_device_t * pdev)963 void lm_pf_clear_vf_igu_blocks(lm_device_t *pdev)
964 {
965     u8_t igu_sb_idx;
966     for (igu_sb_idx = 0; igu_sb_idx < IGU_REG_MAPPING_MEMORY_SIZE; igu_sb_idx++ )
967     {
968         lm_igu_block_t * lm_igu_sb = &IGU_SB(pdev,igu_sb_idx);
969         if (lm_igu_sb->status & LM_IGU_STATUS_AVAILABLE)
970         {
971             if (!(lm_igu_sb->status & LM_IGU_STATUS_PF))
972             {
973                 REG_WR(PFDEV(pdev), IGU_REG_MAPPING_MEMORY + 4*igu_sb_idx, 0);
974                 lm_igu_sb->vf_number = lm_igu_sb->vector_number = 0xFF;
975                 lm_igu_sb->status &= ~LM_IGU_STATUS_BUSY;
976             }
977         }
978     }
979     return;
980 }
981 
lm_pf_release_vf_igu_block(lm_device_t * pdev,u8_t igu_sb_idx)982 u8_t lm_pf_release_vf_igu_block(lm_device_t *pdev, u8_t igu_sb_idx)
983 {
984     lm_igu_block_t * lm_igu_sb = &IGU_SB(pdev,igu_sb_idx);
985     u8_t res = FALSE;
986 
987     if (!(lm_igu_sb->status & LM_IGU_STATUS_PF) &&  (lm_igu_sb->status & LM_IGU_STATUS_AVAILABLE) && (igu_sb_idx < IGU_REG_MAPPING_MEMORY_SIZE))
988     {
989         REG_WR(PFDEV(pdev), IGU_REG_MAPPING_MEMORY + 4*igu_sb_idx, 0);
990         lm_igu_sb->vf_number = lm_igu_sb->vector_number = 0xFF;
991         lm_igu_sb->status &= ~LM_IGU_STATUS_BUSY;
992         res = TRUE;
993     }
994     else
995     {
996         DbgBreak();
997     }
998     return res;
999 }
1000 
lm_pf_acquire_vf_igu_block(lm_device_t * pdev,u8_t igu_sb_idx,u8_t abs_vf_id,u8_t vector_number)1001 u8_t lm_pf_acquire_vf_igu_block(lm_device_t *pdev, u8_t igu_sb_idx, u8_t abs_vf_id, u8_t vector_number)
1002 {
1003     lm_igu_block_t * lm_igu_sb = &IGU_SB(pdev,igu_sb_idx);
1004     u8_t res    = FALSE;
1005     u32_t value = 0;
1006 
1007     if (!(lm_igu_sb->status & LM_IGU_STATUS_PF) &&  (lm_igu_sb->status & LM_IGU_STATUS_AVAILABLE)
1008         && !(lm_igu_sb->status & LM_IGU_STATUS_BUSY) && (igu_sb_idx < IGU_REG_MAPPING_MEMORY_SIZE))
1009     {
1010         value = (IGU_REG_MAPPING_MEMORY_FID_MASK & (abs_vf_id << IGU_REG_MAPPING_MEMORY_FID_SHIFT))
1011                     | (IGU_REG_MAPPING_MEMORY_VECTOR_MASK & (vector_number << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT))
1012                     | IGU_REG_MAPPING_MEMORY_VALID;
1013         REG_WR(PFDEV(pdev), IGU_REG_MAPPING_MEMORY + 4*igu_sb_idx, value);
1014         lm_igu_sb->vf_number = abs_vf_id;
1015         lm_igu_sb->vector_number = vector_number;
1016         lm_igu_sb->status |= LM_IGU_STATUS_BUSY;
1017         res = TRUE;
1018     }
1019     else
1020     {
1021         DbgBreak();
1022     }
1023     return res;
1024 }
1025 
lm_pf_get_vf_available_igu_blocks(lm_device_t * pdev)1026 u8_t lm_pf_get_vf_available_igu_blocks(lm_device_t *pdev)
1027 {
1028     u8_t igu_sb_idx;
1029     u8_t available_igu_sbs = 0;
1030     for (igu_sb_idx = 0; igu_sb_idx < IGU_REG_MAPPING_MEMORY_SIZE; igu_sb_idx++ )
1031     {
1032         lm_igu_block_t * lm_igu_sb = &IGU_SB(pdev,igu_sb_idx);
1033         if (lm_igu_sb->status & LM_IGU_STATUS_AVAILABLE)
1034         {
1035             if (!(lm_igu_sb->status & LM_IGU_STATUS_PF) && !(lm_igu_sb->status & LM_IGU_STATUS_BUSY))
1036             {
1037                 available_igu_sbs++;
1038             }
1039         }
1040     }
1041     return available_igu_sbs;
1042 }
1043 
lm_pf_update_vf_default_vlan(IN struct _lm_device_t * pdev,IN struct _lm_vf_info_t * vf_info,IN const u16_t silent_vlan_value,IN const u16_t silent_vlan_mask,IN const u8_t silent_vlan_removal_flg,IN const u8_t silent_vlan_change_flg,IN const u16_t default_vlan,IN const u8_t default_vlan_enable_flg,IN const u8_t default_vlan_change_flg)1044 lm_status_t lm_pf_update_vf_default_vlan(IN struct _lm_device_t    *pdev, IN struct _lm_vf_info_t * vf_info,
1045                               IN const u16_t            silent_vlan_value,
1046                               IN const u16_t            silent_vlan_mask,
1047                               IN const u8_t             silent_vlan_removal_flg,
1048                               IN const u8_t             silent_vlan_change_flg,
1049                               IN const u16_t            default_vlan,
1050                               IN const u8_t             default_vlan_enable_flg,
1051                               IN const u8_t             default_vlan_change_flg)
1052 {
1053     struct client_update_ramrod_data * client_update_data_virt = NULL;
1054     lm_status_t                        lm_status               = LM_STATUS_FAILURE;
1055     u32_t                              vf_cid_of_pf            = 0;
1056     u8_t                               type                    = 0;
1057     u8_t                               q_idx                   = 0;
1058 
1059 
1060     for (q_idx = 0; q_idx < vf_info->vf_si_num_of_active_q; q_idx++) {
1061         client_update_data_virt = pdev->client_info[LM_SW_VF_CLI_ID(vf_info, q_idx)].update.data_virt;
1062         if CHK_NULL(client_update_data_virt)
1063         {
1064             DbgBreak();
1065             return LM_STATUS_FAILURE;
1066         }
1067         mm_mem_zero((void *) client_update_data_virt , sizeof(struct client_update_ramrod_data));
1068 
1069         MM_ACQUIRE_ETH_CON_LOCK(pdev);
1070 
1071         DbgBreakIf( LM_CLI_UPDATE_NOT_USED != pdev->client_info[LM_SW_VF_CLI_ID(vf_info, q_idx)].update.state);
1072 
1073         pdev->client_info[LM_SW_VF_CLI_ID(vf_info, q_idx)].update.state = LM_CLI_UPDATE_USED;
1074 
1075         client_update_data_virt->client_id  = LM_FW_VF_CLI_ID(vf_info, q_idx);
1076         client_update_data_virt->func_id    = 8 + vf_info->abs_vf_id;
1077 
1078         client_update_data_virt->silent_vlan_value          = mm_cpu_to_le16(silent_vlan_value);
1079         client_update_data_virt->silent_vlan_mask           = mm_cpu_to_le16(silent_vlan_mask);
1080         client_update_data_virt->silent_vlan_removal_flg    = silent_vlan_removal_flg;
1081         client_update_data_virt->silent_vlan_change_flg     = silent_vlan_change_flg;
1082 
1083         client_update_data_virt->default_vlan               = mm_cpu_to_le16(default_vlan);
1084         client_update_data_virt->default_vlan_enable_flg    = default_vlan_enable_flg;
1085         client_update_data_virt->default_vlan_change_flg    = default_vlan_change_flg;
1086 
1087         client_update_data_virt->refuse_outband_vlan_flg        = 0;
1088         client_update_data_virt->refuse_outband_vlan_change_flg = 0;
1089 
1090         vf_cid_of_pf = LM_VF_Q_ID_TO_PF_CID(pdev, vf_info, q_idx);
1091         type = (ETH_CONNECTION_TYPE | ((8 + vf_info->abs_vf_id) << SPE_HDR_T_FUNCTION_ID_SHIFT));
1092 
1093         lm_status = lm_sq_post(pdev,
1094                                vf_cid_of_pf,
1095                                RAMROD_CMD_ID_ETH_CLIENT_UPDATE,
1096                                CMD_PRIORITY_MEDIUM,
1097                                type,
1098                                pdev->client_info[LM_SW_VF_CLI_ID(vf_info, q_idx)].update.data_phys.as_u64);
1099 
1100 
1101         MM_RELEASE_ETH_CON_LOCK(pdev);
1102         if (lm_status != LM_STATUS_SUCCESS)
1103         {
1104             return lm_status;
1105         }
1106 
1107         lm_status = lm_wait_state_change(pdev, &pdev->client_info[LM_SW_VF_CLI_ID(vf_info, q_idx)].update.state, LM_CLI_UPDATE_RECV);
1108 
1109         pdev->client_info[LM_SW_VF_CLI_ID(vf_info, q_idx)].update.state = LM_CLI_UPDATE_NOT_USED;
1110     }
1111 
1112     return lm_status;
1113 }
1114 
lm_pf_update_vf_ndsb(IN struct _lm_device_t * pdev,IN struct _lm_vf_info_t * vf_info,IN u8_t relative_in_vf_ndsb,IN u16_t interrupt_mod_level)1115 lm_status_t lm_pf_update_vf_ndsb(IN struct _lm_device_t     *pdev,
1116                                   IN struct _lm_vf_info_t   *vf_info,
1117                                   IN u8_t                   relative_in_vf_ndsb,
1118                                   IN u16_t                  interrupt_mod_level)
1119 {
1120     lm_status_t lm_status   = LM_STATUS_SUCCESS;
1121     u8_t        dhc_timeout, hc_rx_timeout, hc_tx_timeout;
1122     lm_int_coalesing_info*
1123                 ic          = &pdev->vars.int_coal;
1124     u32_t       rx_coal_usec,tx_coal_usec;
1125 
1126 
1127     switch (interrupt_mod_level)
1128     {
1129         case VPORT_INT_MOD_UNDEFINED:
1130             dhc_timeout = 0;
1131             hc_rx_timeout = (u8_t)(ic->hc_usec_u_sb[HC_INDEX_VF_ETH_RX_CQ_CONS] / HC_TIMEOUT_RESOLUTION_IN_US);
1132             DbgBreakIf(HC_INDEX_VF_ETH_TX_CQ_CONS < HC_USTORM_SB_NUM_INDICES);
1133             hc_tx_timeout = (u8_t)(ic->hc_usec_c_sb[HC_INDEX_VF_ETH_TX_CQ_CONS - HC_USTORM_SB_NUM_INDICES] / HC_TIMEOUT_RESOLUTION_IN_US);
1134             break;
1135         case VPORT_INT_MOD_ADAPTIVE:
1136             dhc_timeout = (u8_t)pdev->params.hc_timeout0[SM_RX_ID][HC_INDEX_VF_ETH_RX_CQ_CONS];
1137             hc_rx_timeout = (u8_t)(ic->hc_usec_u_sb[HC_INDEX_VF_ETH_RX_CQ_CONS] / HC_TIMEOUT_RESOLUTION_IN_US);
1138             hc_tx_timeout = (u8_t)(ic->hc_usec_c_sb[HC_INDEX_VF_ETH_TX_CQ_CONS - HC_USTORM_SB_NUM_INDICES] / HC_TIMEOUT_RESOLUTION_IN_US);
1139             break;
1140         case VPORT_INT_MOD_OFF:
1141             dhc_timeout = 0;
1142             hc_rx_timeout = 0;
1143             hc_tx_timeout = 0;
1144             break;
1145         case VPORT_INT_MOD_LOW:
1146             dhc_timeout = 0;
1147             rx_coal_usec = 1000000 / pdev->params.vf_int_per_sec_rx[LM_VF_INT_LOW_IDX];
1148             tx_coal_usec = 1000000 / pdev->params.vf_int_per_sec_tx[LM_VF_INT_LOW_IDX];
1149             hc_rx_timeout = (u8_t)(rx_coal_usec / HC_TIMEOUT_RESOLUTION_IN_US);
1150             hc_tx_timeout = (u8_t)(rx_coal_usec / HC_TIMEOUT_RESOLUTION_IN_US);
1151             break;
1152         case VPORT_INT_MOD_MEDIUM:
1153             dhc_timeout = 0;
1154             rx_coal_usec = 1000000 / pdev->params.vf_int_per_sec_rx[LM_VF_INT_MEDIUM_IDX];
1155             tx_coal_usec = 1000000 / pdev->params.vf_int_per_sec_tx[LM_VF_INT_MEDIUM_IDX];
1156             hc_rx_timeout = (u8_t)(rx_coal_usec / HC_TIMEOUT_RESOLUTION_IN_US);
1157             hc_tx_timeout = (u8_t)(rx_coal_usec / HC_TIMEOUT_RESOLUTION_IN_US);
1158             break;
1159         case VPORT_INT_MOD_HIGH:
1160             dhc_timeout = 0;
1161             rx_coal_usec = 1000000 / pdev->params.vf_int_per_sec_rx[LM_VF_INT_HIGH_IDX];
1162             tx_coal_usec = 1000000 / pdev->params.vf_int_per_sec_tx[LM_VF_INT_HIGH_IDX];
1163             hc_rx_timeout = (u8_t)(rx_coal_usec / HC_TIMEOUT_RESOLUTION_IN_US);
1164             hc_tx_timeout = (u8_t)(rx_coal_usec / HC_TIMEOUT_RESOLUTION_IN_US);
1165             break;
1166         default:
1167             lm_status = LM_STATUS_INVALID_PARAMETER;
1168             DbgBreak();
1169             break;
1170     }
1171     if (lm_status == LM_STATUS_SUCCESS)
1172     {
1173         u8_t dhc_enable;
1174         u8_t timeout;
1175         u32_t index;
1176 
1177         if (dhc_timeout)
1178         {
1179             dhc_enable = TRUE;
1180             timeout = dhc_timeout;
1181             REG_WR(PFDEV(pdev), CSEM_REG_FAST_MEMORY + CSTORM_BYTE_COUNTER_OFFSET(LM_FW_VF_DHC_QZONE_ID(vf_info, relative_in_vf_ndsb), HC_INDEX_VF_ETH_RX_CQ_CONS), 0);
1182         }
1183         else
1184         {
1185             dhc_enable = FALSE;
1186             timeout = hc_rx_timeout;
1187         }
1188         lm_setup_ndsb_index(pdev, LM_SW_VF_SB_ID(vf_info,relative_in_vf_ndsb), HC_INDEX_VF_ETH_RX_CQ_CONS, SM_RX_ID, timeout, dhc_enable);
1189         lm_setup_ndsb_index(pdev, LM_SW_VF_SB_ID(vf_info,relative_in_vf_ndsb), HC_INDEX_VF_ETH_TX_CQ_CONS, SM_TX_ID, hc_tx_timeout, FALSE);
1190         for (index = 0; index < sizeof(struct hc_status_block_data_e2)/sizeof(u32_t); index++) {
1191             LM_INTMEM_WRITE32(pdev, CSTORM_STATUS_BLOCK_DATA_OFFSET(LM_FW_VF_SB_ID(vf_info, relative_in_vf_ndsb)) + sizeof(u32_t)*index,
1192                               *((u32_t*)(&pdev->vars.status_blocks_arr[LM_SW_VF_SB_ID(vf_info,relative_in_vf_ndsb)].hc_status_block_data.e2_sb_data) + index), BAR_CSTRORM_INTMEM);
1193         }
1194     }
1195     return lm_status;
1196 }
1197 
lm_pf_update_vf_ndsbs(IN struct _lm_device_t * pdev,IN struct _lm_vf_info_t * vf_info,IN u16_t interrupt_mod_level)1198 lm_status_t lm_pf_update_vf_ndsbs(IN struct _lm_device_t    *pdev,
1199                                   IN struct _lm_vf_info_t   *vf_info,
1200                                   IN u16_t                  interrupt_mod_level)
1201 {
1202     lm_status_t lm_status = LM_STATUS_SUCCESS;
1203     u8_t q_idx = 0;
1204     u8_t  is_hc_available_on_host;
1205     u16_t client_interrupt_mod_level;
1206     if (pdev->params.int_coalesing_mode == LM_INT_COAL_PERIODIC_SYNC)
1207     {
1208         is_hc_available_on_host = TRUE;
1209     }
1210     else
1211     {
1212         is_hc_available_on_host = FALSE;
1213     }
1214 
1215     switch (interrupt_mod_level)
1216     {
1217         case VPORT_INT_MOD_OFF:
1218             break;
1219         case VPORT_INT_MOD_UNDEFINED:
1220             if (is_hc_available_on_host)
1221             {
1222                 interrupt_mod_level = VPORT_INT_MOD_ADAPTIVE;
1223             }
1224         case VPORT_INT_MOD_ADAPTIVE:
1225         case VPORT_INT_MOD_LOW:
1226         case VPORT_INT_MOD_MEDIUM:
1227         case VPORT_INT_MOD_HIGH:
1228             if (!is_hc_available_on_host)
1229             {
1230                 interrupt_mod_level = VPORT_INT_MOD_OFF;
1231             }
1232             break;
1233         default:
1234             lm_status = LM_STATUS_INVALID_PARAMETER;
1235             DbgBreak();
1236             break;
1237     }
1238 
1239     if (lm_status != LM_STATUS_SUCCESS)
1240     {
1241         return lm_status;
1242     }
1243 
1244     vf_info->current_interrupr_moderation = interrupt_mod_level;
1245     for (q_idx = 0; q_idx < vf_info->vf_si_num_of_active_q; q_idx++)
1246     {
1247         client_interrupt_mod_level = interrupt_mod_level;
1248         if ((interrupt_mod_level == VPORT_INT_MOD_ADAPTIVE) && !pdev->client_info[LM_SW_VF_CLI_ID(vf_info,q_idx)].client_init_data_virt->init_data.rx.enable_dynamic_hc)
1249         {
1250             client_interrupt_mod_level = VPORT_INT_MOD_UNDEFINED;
1251         }
1252         lm_pf_update_vf_ndsb(pdev, vf_info, q_idx, client_interrupt_mod_level);
1253     }
1254 
1255     return lm_status;
1256 }
1257 #endif //VF_INVOLVED
1258