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36 #include <rte_memzone.h>
37 #include <rte_malloc.h>
40 #include "bnxt_vnic.h"
41 #include "hsi_struct_def_dpdk.h"
47 static void prandom_bytes(void *dest_ptr, size_t len)
49 char *dest = (char *)dest_ptr;
59 memcpy(dest, &rb, len);
66 void bnxt_init_vnics(struct bnxt *bp)
68 struct bnxt_vnic_info *vnic;
73 struct bnxt_pf_info *pf = &bp->pf;
75 max_vnics = pf->max_vnics;
77 struct bnxt_vf_info *vf = &bp->vf;
79 max_vnics = vf->max_vnics;
81 STAILQ_INIT(&bp->free_vnic_list);
82 for (i = 0; i < max_vnics; i++) {
83 vnic = &bp->vnic_info[i];
84 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
85 vnic->fw_rss_cos_lb_ctx = (uint16_t)HWRM_NA_SIGNATURE;
86 vnic->ctx_is_rss_cos_lb = HW_CONTEXT_NONE;
88 for (j = 0; j < MAX_QUEUES_PER_VNIC; j++)
89 vnic->fw_grp_ids[j] = (uint16_t)HWRM_NA_SIGNATURE;
91 prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
92 STAILQ_INIT(&vnic->filter);
93 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
95 for (i = 0; i < MAX_FF_POOLS; i++)
96 STAILQ_INIT(&bp->ff_pool[i]);
99 int bnxt_free_vnic(struct bnxt *bp, struct bnxt_vnic_info *vnic,
102 struct bnxt_vnic_info *temp;
104 temp = STAILQ_FIRST(&bp->ff_pool[pool]);
107 STAILQ_REMOVE(&bp->ff_pool[pool], vnic,
108 bnxt_vnic_info, next);
109 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
110 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic,
114 temp = STAILQ_NEXT(temp, next);
116 RTE_LOG(ERR, PMD, "VNIC %p is not found in pool[%d]\n", vnic, pool);
120 struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
122 struct bnxt_vnic_info *vnic;
124 /* Find the 1st unused vnic from the free_vnic_list pool*/
125 vnic = STAILQ_FIRST(&bp->free_vnic_list);
127 RTE_LOG(ERR, PMD, "No more free VNIC resources\n");
130 STAILQ_REMOVE_HEAD(&bp->free_vnic_list, next);
134 void bnxt_free_all_vnics(struct bnxt *bp)
136 struct bnxt_vnic_info *temp, *next;
139 for (i = 0; i < MAX_FF_POOLS; i++) {
140 temp = STAILQ_FIRST(&bp->ff_pool[i]);
142 next = STAILQ_NEXT(temp, next);
143 STAILQ_REMOVE(&bp->ff_pool[i], temp, bnxt_vnic_info,
145 STAILQ_INSERT_TAIL(&bp->free_vnic_list, temp, next);
151 void bnxt_free_vnic_attributes(struct bnxt *bp)
153 struct bnxt_vnic_info *vnic;
155 STAILQ_FOREACH(vnic, &bp->free_vnic_list, next) {
156 if (vnic->rss_table) {
157 /* 'Unreserve' the rss_table */
160 vnic->rss_table = NULL;
163 if (vnic->rss_hash_key) {
164 /* 'Unreserve' the rss_hash_key */
167 vnic->rss_hash_key = NULL;
172 int bnxt_alloc_vnic_attributes(struct bnxt *bp)
174 struct bnxt_vnic_info *vnic;
175 struct rte_pci_device *pdev = bp->pdev;
176 const struct rte_memzone *mz;
177 char mz_name[RTE_MEMZONE_NAMESIZE];
178 uint32_t entry_length = RTE_CACHE_LINE_ROUNDUP(
179 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
185 struct bnxt_pf_info *pf = &bp->pf;
187 max_vnics = pf->max_vnics;
189 struct bnxt_vf_info *vf = &bp->vf;
191 max_vnics = vf->max_vnics;
193 snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
194 "bnxt_%04x:%02x:%02x:%02x_vnicattr", pdev->addr.domain,
195 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
196 mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
197 mz = rte_memzone_lookup(mz_name);
199 mz = rte_memzone_reserve(mz_name,
200 entry_length * max_vnics,
203 RTE_MEMZONE_SIZE_HINT_ONLY);
208 for (i = 0; i < max_vnics; i++) {
209 vnic = &bp->vnic_info[i];
211 /* Allocate rss table and hash key */
213 (void *)((char *)mz->addr + (entry_length * i));
214 memset(vnic->rss_table, -1, entry_length);
216 vnic->rss_table_dma_addr = mz->phys_addr + (entry_length * i);
217 vnic->rss_hash_key = (void *)((char *)vnic->rss_table +
218 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table));
220 vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
221 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
227 void bnxt_free_vnic_mem(struct bnxt *bp)
229 struct bnxt_vnic_info *vnic;
230 uint16_t max_vnics, i;
232 if (bp->vnic_info == NULL)
236 struct bnxt_pf_info *pf = &bp->pf;
238 max_vnics = pf->max_vnics;
240 struct bnxt_vf_info *vf = &bp->vf;
242 max_vnics = vf->max_vnics;
244 for (i = 0; i < max_vnics; i++) {
245 vnic = &bp->vnic_info[i];
246 if (vnic->fw_vnic_id != (uint16_t)HWRM_NA_SIGNATURE) {
247 RTE_LOG(ERR, PMD, "VNIC is not freed yet!\n");
248 /* TODO Call HWRM to free VNIC */
252 rte_free(bp->vnic_info);
253 bp->vnic_info = NULL;
256 int bnxt_alloc_vnic_mem(struct bnxt *bp)
258 struct bnxt_vnic_info *vnic_mem;
262 struct bnxt_pf_info *pf = &bp->pf;
264 max_vnics = pf->max_vnics;
266 struct bnxt_vf_info *vf = &bp->vf;
268 max_vnics = vf->max_vnics;
270 /* Allocate memory for VNIC pool and filter pool */
271 vnic_mem = rte_zmalloc("bnxt_vnic_info",
272 max_vnics * sizeof(struct bnxt_vnic_info), 0);
273 if (vnic_mem == NULL) {
274 RTE_LOG(ERR, PMD, "Failed to alloc memory for %d VNICs",
278 bp->vnic_info = vnic_mem;