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 void prandom_bytes(void *dest_ptr, size_t len)
21 char *dest = (char *)dest_ptr;
31 memcpy(dest, &rb, len);
38 static 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;
54 vnic->rx_queue_cnt = 0;
56 STAILQ_INIT(&vnic->filter);
57 STAILQ_INIT(&vnic->flow_list);
58 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
62 struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
64 struct bnxt_vnic_info *vnic;
66 /* Find the 1st unused vnic from the free_vnic_list pool*/
67 vnic = STAILQ_FIRST(&bp->free_vnic_list);
69 PMD_DRV_LOG(ERR, "No more free VNIC resources\n");
72 STAILQ_REMOVE_HEAD(&bp->free_vnic_list, next);
76 void bnxt_free_all_vnics(struct bnxt *bp)
78 struct bnxt_vnic_info *vnic;
81 for (i = 0; i < bp->max_vnics; i++) {
82 vnic = &bp->vnic_info[i];
83 STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
84 vnic->rx_queue_cnt = 0;
88 void bnxt_free_vnic_attributes(struct bnxt *bp)
90 struct bnxt_vnic_info *vnic;
93 if (bp->vnic_info == NULL)
96 for (i = 0; i < bp->max_vnics; i++) {
97 vnic = &bp->vnic_info[i];
98 if (vnic->rss_table) {
99 /* 'Unreserve' the rss_table */
102 vnic->rss_table = NULL;
105 if (vnic->rss_hash_key) {
106 /* 'Unreserve' the rss_hash_key */
109 vnic->rss_hash_key = NULL;
114 int bnxt_alloc_vnic_attributes(struct bnxt *bp)
116 struct bnxt_vnic_info *vnic;
117 struct rte_pci_device *pdev = bp->pdev;
118 const struct rte_memzone *mz;
119 char mz_name[RTE_MEMZONE_NAMESIZE];
120 uint32_t entry_length;
121 size_t rss_table_size;
124 rte_iova_t mz_phys_addr;
126 entry_length = HW_HASH_KEY_SIZE +
127 BNXT_MAX_MC_ADDRS * RTE_ETHER_ADDR_LEN;
129 if (BNXT_CHIP_THOR(bp))
130 rss_table_size = BNXT_RSS_TBL_SIZE_THOR *
131 2 * sizeof(*vnic->rss_table);
133 rss_table_size = HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
135 entry_length = RTE_CACHE_LINE_ROUNDUP(entry_length + rss_table_size);
137 max_vnics = bp->max_vnics;
138 snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
139 "bnxt_%04x:%02x:%02x:%02x_vnicattr", pdev->addr.domain,
140 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
141 mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
142 mz = rte_memzone_lookup(mz_name);
144 mz = rte_memzone_reserve(mz_name,
145 entry_length * max_vnics, SOCKET_ID_ANY,
147 RTE_MEMZONE_SIZE_HINT_ONLY |
148 RTE_MEMZONE_IOVA_CONTIG);
152 mz_phys_addr = mz->iova;
153 if ((unsigned long)mz->addr == mz_phys_addr) {
155 "Memzone physical address same as virtual.\n");
156 PMD_DRV_LOG(DEBUG, "Using rte_mem_virt2iova()\n");
157 mz_phys_addr = rte_mem_virt2iova(mz->addr);
158 if (mz_phys_addr == RTE_BAD_IOVA) {
160 "unable to map to physical memory\n");
165 for (i = 0; i < max_vnics; i++) {
166 vnic = &bp->vnic_info[i];
168 /* Allocate rss table and hash key */
170 (void *)((char *)mz->addr + (entry_length * i));
171 memset(vnic->rss_table, -1, entry_length);
173 vnic->rss_table_dma_addr = mz_phys_addr + (entry_length * i);
174 vnic->rss_hash_key = (void *)((char *)vnic->rss_table +
177 vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
179 vnic->mc_list = (void *)((char *)vnic->rss_hash_key +
181 vnic->mc_list_dma_addr = vnic->rss_hash_key_dma_addr +
183 prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
189 void bnxt_free_vnic_mem(struct bnxt *bp)
191 struct bnxt_vnic_info *vnic;
192 uint16_t max_vnics, i;
194 if (bp->vnic_info == NULL)
197 max_vnics = bp->max_vnics;
198 for (i = 0; i < max_vnics; i++) {
199 vnic = &bp->vnic_info[i];
200 if (vnic->fw_vnic_id != (uint16_t)HWRM_NA_SIGNATURE) {
201 PMD_DRV_LOG(ERR, "VNIC is not freed yet!\n");
202 /* TODO Call HWRM to free VNIC */
206 rte_free(bp->vnic_info);
207 bp->vnic_info = NULL;
210 int bnxt_alloc_vnic_mem(struct bnxt *bp)
212 struct bnxt_vnic_info *vnic_mem;
215 max_vnics = bp->max_vnics;
216 /* Allocate memory for VNIC pool and filter pool */
217 vnic_mem = rte_zmalloc("bnxt_vnic_info",
218 max_vnics * sizeof(struct bnxt_vnic_info), 0);
219 if (vnic_mem == NULL) {
220 PMD_DRV_LOG(ERR, "Failed to alloc memory for %d VNICs",
224 bp->vnic_info = vnic_mem;
229 int bnxt_vnic_grp_alloc(struct bnxt *bp, struct bnxt_vnic_info *vnic)
231 uint32_t size = sizeof(*vnic->fw_grp_ids) * bp->max_ring_grps;
233 vnic->fw_grp_ids = rte_zmalloc("vnic_fw_grp_ids", size, 0);
234 if (!vnic->fw_grp_ids) {
236 "Failed to alloc %d bytes for group ids\n",
240 memset(vnic->fw_grp_ids, -1, size);
245 uint16_t bnxt_rte_to_hwrm_hash_types(uint64_t rte_type)
247 uint16_t hwrm_type = 0;
249 if (rte_type & ETH_RSS_IPV4)
250 hwrm_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4;
251 if (rte_type & ETH_RSS_NONFRAG_IPV4_TCP)
252 hwrm_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4;
253 if (rte_type & ETH_RSS_NONFRAG_IPV4_UDP)
254 hwrm_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4;
255 if (rte_type & ETH_RSS_IPV6)
256 hwrm_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6;
257 if (rte_type & ETH_RSS_NONFRAG_IPV6_TCP)
258 hwrm_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6;
259 if (rte_type & ETH_RSS_NONFRAG_IPV6_UDP)
260 hwrm_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6;