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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;
72 max_vnics = bp->max_vnics;
73 STAILQ_INIT(&bp->free_vnic_list);
74 for (i = 0; i < max_vnics; i++) {
75 vnic = &bp->vnic_info[i];
76 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
77 vnic->rss_rule = (uint16_t)HWRM_NA_SIGNATURE;
78 vnic->cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
79 vnic->lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
81 prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
82 STAILQ_INIT(&vnic->filter);
83 STAILQ_INIT(&vnic->flow_list);
84 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
86 for (i = 0; i < MAX_FF_POOLS; i++)
87 STAILQ_INIT(&bp->ff_pool[i]);
90 int bnxt_free_vnic(struct bnxt *bp, struct bnxt_vnic_info *vnic,
93 struct bnxt_vnic_info *temp;
95 temp = STAILQ_FIRST(&bp->ff_pool[pool]);
98 STAILQ_REMOVE(&bp->ff_pool[pool], vnic,
99 bnxt_vnic_info, next);
100 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
101 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic,
105 temp = STAILQ_NEXT(temp, next);
107 RTE_LOG(ERR, PMD, "VNIC %p is not found in pool[%d]\n", vnic, pool);
111 struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
113 struct bnxt_vnic_info *vnic;
115 /* Find the 1st unused vnic from the free_vnic_list pool*/
116 vnic = STAILQ_FIRST(&bp->free_vnic_list);
118 RTE_LOG(ERR, PMD, "No more free VNIC resources\n");
121 STAILQ_REMOVE_HEAD(&bp->free_vnic_list, next);
125 void bnxt_free_all_vnics(struct bnxt *bp)
127 struct bnxt_vnic_info *temp, *next;
130 for (i = 0; i < MAX_FF_POOLS; i++) {
131 temp = STAILQ_FIRST(&bp->ff_pool[i]);
133 next = STAILQ_NEXT(temp, next);
134 STAILQ_REMOVE(&bp->ff_pool[i], temp, bnxt_vnic_info,
136 STAILQ_INSERT_TAIL(&bp->free_vnic_list, temp, next);
142 void bnxt_free_vnic_attributes(struct bnxt *bp)
144 struct bnxt_vnic_info *vnic;
146 STAILQ_FOREACH(vnic, &bp->free_vnic_list, next) {
147 if (vnic->rss_table) {
148 /* 'Unreserve' the rss_table */
151 vnic->rss_table = NULL;
154 if (vnic->rss_hash_key) {
155 /* 'Unreserve' the rss_hash_key */
158 vnic->rss_hash_key = NULL;
163 int bnxt_alloc_vnic_attributes(struct bnxt *bp)
165 struct bnxt_vnic_info *vnic;
166 struct rte_pci_device *pdev = bp->pdev;
167 const struct rte_memzone *mz;
168 char mz_name[RTE_MEMZONE_NAMESIZE];
169 uint32_t entry_length = RTE_CACHE_LINE_ROUNDUP(
170 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
172 BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN);
175 rte_iova_t mz_phys_addr;
177 max_vnics = bp->max_vnics;
178 snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
179 "bnxt_%04x:%02x:%02x:%02x_vnicattr", pdev->addr.domain,
180 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
181 mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
182 mz = rte_memzone_lookup(mz_name);
184 mz = rte_memzone_reserve(mz_name,
185 entry_length * max_vnics,
188 RTE_MEMZONE_SIZE_HINT_ONLY);
192 mz_phys_addr = mz->iova;
193 if ((unsigned long)mz->addr == mz_phys_addr) {
194 RTE_LOG(WARNING, PMD,
195 "Memzone physical address same as virtual.\n");
196 RTE_LOG(WARNING, PMD,
197 "Using rte_mem_virt2iova()\n");
198 mz_phys_addr = rte_mem_virt2iova(mz->addr);
199 if (mz_phys_addr == 0) {
201 "unable to map vnic address to physical memory\n");
206 for (i = 0; i < max_vnics; i++) {
207 vnic = &bp->vnic_info[i];
209 /* Allocate rss table and hash key */
211 (void *)((char *)mz->addr + (entry_length * i));
212 memset(vnic->rss_table, -1, entry_length);
214 vnic->rss_table_dma_addr = mz_phys_addr + (entry_length * i);
215 vnic->rss_hash_key = (void *)((char *)vnic->rss_table +
216 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table));
218 vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
219 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
220 vnic->mc_list = (void *)((char *)vnic->rss_hash_key +
222 vnic->mc_list_dma_addr = vnic->rss_hash_key_dma_addr +
229 void bnxt_free_vnic_mem(struct bnxt *bp)
231 struct bnxt_vnic_info *vnic;
232 uint16_t max_vnics, i;
234 if (bp->vnic_info == NULL)
237 max_vnics = bp->max_vnics;
238 for (i = 0; i < max_vnics; i++) {
239 vnic = &bp->vnic_info[i];
240 if (vnic->fw_vnic_id != (uint16_t)HWRM_NA_SIGNATURE) {
241 RTE_LOG(ERR, PMD, "VNIC is not freed yet!\n");
242 /* TODO Call HWRM to free VNIC */
246 rte_free(bp->vnic_info);
247 bp->vnic_info = NULL;
250 int bnxt_alloc_vnic_mem(struct bnxt *bp)
252 struct bnxt_vnic_info *vnic_mem;
255 max_vnics = bp->max_vnics;
256 /* Allocate memory for VNIC pool and filter pool */
257 vnic_mem = rte_zmalloc("bnxt_vnic_info",
258 max_vnics * sizeof(struct bnxt_vnic_info), 0);
259 if (vnic_mem == NULL) {
260 RTE_LOG(ERR, PMD, "Failed to alloc memory for %d VNICs",
264 bp->vnic_info = vnic_mem;