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 prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
56 STAILQ_INIT(&vnic->filter);
57 STAILQ_INIT(&vnic->flow_list);
58 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
60 for (i = 0; i < MAX_FF_POOLS; i++)
61 STAILQ_INIT(&bp->ff_pool[i]);
64 int bnxt_free_vnic(struct bnxt *bp, struct bnxt_vnic_info *vnic,
67 struct bnxt_vnic_info *temp;
69 temp = STAILQ_FIRST(&bp->ff_pool[pool]);
72 STAILQ_REMOVE(&bp->ff_pool[pool], vnic,
73 bnxt_vnic_info, next);
74 vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
75 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic,
79 temp = STAILQ_NEXT(temp, next);
81 PMD_DRV_LOG(ERR, "VNIC %p is not found in pool[%d]\n", vnic, pool);
85 struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
87 struct bnxt_vnic_info *vnic;
89 /* Find the 1st unused vnic from the free_vnic_list pool*/
90 vnic = STAILQ_FIRST(&bp->free_vnic_list);
92 PMD_DRV_LOG(ERR, "No more free VNIC resources\n");
95 STAILQ_REMOVE_HEAD(&bp->free_vnic_list, next);
99 void bnxt_free_all_vnics(struct bnxt *bp)
101 struct bnxt_vnic_info *temp, *next;
104 for (i = 0; i < MAX_FF_POOLS; i++) {
105 temp = STAILQ_FIRST(&bp->ff_pool[i]);
107 next = STAILQ_NEXT(temp, next);
108 STAILQ_REMOVE(&bp->ff_pool[i], temp, bnxt_vnic_info,
110 STAILQ_INSERT_TAIL(&bp->free_vnic_list, temp, next);
116 void bnxt_free_vnic_attributes(struct bnxt *bp)
118 struct bnxt_vnic_info *vnic;
120 STAILQ_FOREACH(vnic, &bp->free_vnic_list, next) {
121 if (vnic->rss_table) {
122 /* 'Unreserve' the rss_table */
125 vnic->rss_table = NULL;
128 if (vnic->rss_hash_key) {
129 /* 'Unreserve' the rss_hash_key */
132 vnic->rss_hash_key = NULL;
137 int bnxt_alloc_vnic_attributes(struct bnxt *bp)
139 struct bnxt_vnic_info *vnic;
140 struct rte_pci_device *pdev = bp->pdev;
141 const struct rte_memzone *mz;
142 char mz_name[RTE_MEMZONE_NAMESIZE];
143 uint32_t entry_length = RTE_CACHE_LINE_ROUNDUP(
144 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
146 BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN);
149 rte_iova_t mz_phys_addr;
151 max_vnics = bp->max_vnics;
152 snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
153 "bnxt_%04x:%02x:%02x:%02x_vnicattr", pdev->addr.domain,
154 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
155 mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
156 mz = rte_memzone_lookup(mz_name);
158 mz = rte_memzone_reserve(mz_name,
159 entry_length * max_vnics, SOCKET_ID_ANY,
161 RTE_MEMZONE_SIZE_HINT_ONLY |
162 RTE_MEMZONE_IOVA_CONTIG);
166 mz_phys_addr = mz->iova;
167 if ((unsigned long)mz->addr == mz_phys_addr) {
169 "Memzone physical address same as virtual.\n");
171 "Using rte_mem_virt2iova()\n");
172 mz_phys_addr = rte_mem_virt2iova(mz->addr);
173 if (mz_phys_addr == 0) {
175 "unable to map vnic address to physical memory\n");
180 for (i = 0; i < max_vnics; i++) {
181 vnic = &bp->vnic_info[i];
183 /* Allocate rss table and hash key */
185 (void *)((char *)mz->addr + (entry_length * i));
186 memset(vnic->rss_table, -1, entry_length);
188 vnic->rss_table_dma_addr = mz_phys_addr + (entry_length * i);
189 vnic->rss_hash_key = (void *)((char *)vnic->rss_table +
190 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table));
192 vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
193 HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
194 vnic->mc_list = (void *)((char *)vnic->rss_hash_key +
196 vnic->mc_list_dma_addr = vnic->rss_hash_key_dma_addr +
203 void bnxt_free_vnic_mem(struct bnxt *bp)
205 struct bnxt_vnic_info *vnic;
206 uint16_t max_vnics, i;
208 if (bp->vnic_info == NULL)
211 max_vnics = bp->max_vnics;
212 for (i = 0; i < max_vnics; i++) {
213 vnic = &bp->vnic_info[i];
214 if (vnic->fw_vnic_id != (uint16_t)HWRM_NA_SIGNATURE) {
215 PMD_DRV_LOG(ERR, "VNIC is not freed yet!\n");
216 /* TODO Call HWRM to free VNIC */
220 rte_free(bp->vnic_info);
221 bp->vnic_info = NULL;
224 int bnxt_alloc_vnic_mem(struct bnxt *bp)
226 struct bnxt_vnic_info *vnic_mem;
229 max_vnics = bp->max_vnics;
230 /* Allocate memory for VNIC pool and filter pool */
231 vnic_mem = rte_zmalloc("bnxt_vnic_info",
232 max_vnics * sizeof(struct bnxt_vnic_info), 0);
233 if (vnic_mem == NULL) {
234 PMD_DRV_LOG(ERR, "Failed to alloc memory for %d VNICs",
238 bp->vnic_info = vnic_mem;