1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2018 Broadcom
8 #include <rte_memzone.h>
9 #include <rte_malloc.h>
12 #include "bnxt_vnic.h"
13 #include "hsi_struct_def_dpdk.h"
19 static void prandom_bytes(void *dest_ptr, size_t len)
21 char *dest = (char *)dest_ptr;
31 memcpy(dest, &rb, len);
38 void bnxt_init_vnics(struct bnxt *bp)
40 struct bnxt_vnic_info *vnic;
44 max_vnics = bp->max_vnics;
45 STAILQ_INIT(&bp->free_vnic_list);
46 for (i = 0; i < max_vnics; i++) {
47 vnic = &bp->vnic_info[i];
48 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
49 vnic->rss_rule = (uint16_t)HWRM_NA_SIGNATURE;
50 vnic->cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
51 vnic->lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
53 HWRM_VNIC_RSS_CFG_INPUT_HASH_MODE_FLAGS_DEFAULT;
55 for (j = 0; j < MAX_QUEUES_PER_VNIC; j++)
56 vnic->fw_grp_ids[j] = (uint16_t)HWRM_NA_SIGNATURE;
58 prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
59 STAILQ_INIT(&vnic->filter);
60 STAILQ_INIT(&vnic->flow_list);
61 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
63 for (i = 0; i < MAX_FF_POOLS; i++)
64 STAILQ_INIT(&bp->ff_pool[i]);
67 int bnxt_free_vnic(struct bnxt *bp, struct bnxt_vnic_info *vnic,
70 struct bnxt_vnic_info *temp;
72 temp = STAILQ_FIRST(&bp->ff_pool[pool]);
75 STAILQ_REMOVE(&bp->ff_pool[pool], vnic,
76 bnxt_vnic_info, next);
77 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
78 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic,
82 temp = STAILQ_NEXT(temp, next);
84 PMD_DRV_LOG(ERR, "VNIC %p is not found in pool[%d]\n", vnic, pool);
88 struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
90 struct bnxt_vnic_info *vnic;
92 /* Find the 1st unused vnic from the free_vnic_list pool*/
93 vnic = STAILQ_FIRST(&bp->free_vnic_list);
95 PMD_DRV_LOG(ERR, "No more free VNIC resources\n");
98 STAILQ_REMOVE_HEAD(&bp->free_vnic_list, next);
102 void bnxt_free_all_vnics(struct bnxt *bp)
104 struct bnxt_vnic_info *temp, *next;
107 for (i = 0; i < MAX_FF_POOLS; i++) {
108 temp = STAILQ_FIRST(&bp->ff_pool[i]);
110 next = STAILQ_NEXT(temp, next);
111 STAILQ_REMOVE(&bp->ff_pool[i], temp, bnxt_vnic_info,
113 STAILQ_INSERT_TAIL(&bp->free_vnic_list, temp, next);
119 void bnxt_free_vnic_attributes(struct bnxt *bp)
121 struct bnxt_vnic_info *vnic;
123 STAILQ_FOREACH(vnic, &bp->free_vnic_list, next) {
124 if (vnic->rss_table) {
125 /* 'Unreserve' the rss_table */
128 vnic->rss_table = NULL;
131 if (vnic->rss_hash_key) {
132 /* 'Unreserve' the rss_hash_key */
135 vnic->rss_hash_key = NULL;
140 int bnxt_alloc_vnic_attributes(struct bnxt *bp)
142 struct bnxt_vnic_info *vnic;
143 struct rte_pci_device *pdev = bp->pdev;
144 const struct rte_memzone *mz;
145 char mz_name[RTE_MEMZONE_NAMESIZE];
146 uint32_t entry_length = RTE_CACHE_LINE_ROUNDUP(
147 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
149 BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN);
152 rte_iova_t mz_phys_addr;
154 max_vnics = bp->max_vnics;
155 snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
156 "bnxt_%04x:%02x:%02x:%02x_vnicattr", pdev->addr.domain,
157 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
158 mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
159 mz = rte_memzone_lookup(mz_name);
161 mz = rte_memzone_reserve(mz_name,
162 entry_length * max_vnics, SOCKET_ID_ANY,
164 RTE_MEMZONE_SIZE_HINT_ONLY |
165 RTE_MEMZONE_IOVA_CONTIG);
169 mz_phys_addr = mz->iova;
170 if ((unsigned long)mz->addr == mz_phys_addr) {
172 "Memzone physical address same as virtual.\n");
174 "Using rte_mem_virt2iova()\n");
175 mz_phys_addr = rte_mem_virt2iova(mz->addr);
176 if (mz_phys_addr == 0) {
178 "unable to map vnic address to physical memory\n");
183 for (i = 0; i < max_vnics; i++) {
184 vnic = &bp->vnic_info[i];
186 /* Allocate rss table and hash key */
188 (void *)((char *)mz->addr + (entry_length * i));
189 memset(vnic->rss_table, -1, entry_length);
191 vnic->rss_table_dma_addr = mz_phys_addr + (entry_length * i);
192 vnic->rss_hash_key = (void *)((char *)vnic->rss_table +
193 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table));
195 vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
196 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
197 vnic->mc_list = (void *)((char *)vnic->rss_hash_key +
199 vnic->mc_list_dma_addr = vnic->rss_hash_key_dma_addr +
206 void bnxt_free_vnic_mem(struct bnxt *bp)
208 struct bnxt_vnic_info *vnic;
209 uint16_t max_vnics, i;
211 if (bp->vnic_info == NULL)
214 max_vnics = bp->max_vnics;
215 for (i = 0; i < max_vnics; i++) {
216 vnic = &bp->vnic_info[i];
217 if (vnic->fw_vnic_id != (uint16_t)HWRM_NA_SIGNATURE) {
218 PMD_DRV_LOG(ERR, "VNIC is not freed yet!\n");
219 /* TODO Call HWRM to free VNIC */
223 rte_free(bp->vnic_info);
224 bp->vnic_info = NULL;
227 int bnxt_alloc_vnic_mem(struct bnxt *bp)
229 struct bnxt_vnic_info *vnic_mem;
232 max_vnics = bp->max_vnics;
233 /* Allocate memory for VNIC pool and filter pool */
234 vnic_mem = rte_zmalloc("bnxt_vnic_info",
235 max_vnics * sizeof(struct bnxt_vnic_info), 0);
236 if (vnic_mem == NULL) {
237 PMD_DRV_LOG(ERR, "Failed to alloc memory for %d VNICs",
241 bp->vnic_info = vnic_mem;