--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014-2015 Broadcom Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <inttypes.h>
+
+#include <rte_memzone.h>
+#include <rte_malloc.h>
+
+#include "bnxt.h"
+#include "bnxt_vnic.h"
+#include "hsi_struct_def_dpdk.h"
+
+/*
+ * VNIC Functions
+ */
+
+static void prandom_bytes(void *dest_ptr, size_t len)
+{
+ char *dest = (char *)dest_ptr;
+ uint64_t rb;
+
+ while (len) {
+ rb = rte_rand();
+ if (len >= 8) {
+ memcpy(dest, &rb, 8);
+ len -= 8;
+ dest += 8;
+ } else {
+ memcpy(dest, &rb, len);
+ dest += len;
+ len = 0;
+ }
+ }
+}
+
+void bnxt_init_vnics(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *vnic;
+ uint16_t max_vnics;
+ int i, j;
+
+ if (BNXT_PF(bp)) {
+ struct bnxt_pf_info *pf = &bp->pf;
+
+ max_vnics = pf->max_vnics;
+ } else {
+ struct bnxt_vf_info *vf = &bp->vf;
+
+ max_vnics = vf->max_vnics;
+ }
+ STAILQ_INIT(&bp->free_vnic_list);
+ for (i = 0; i < max_vnics; i++) {
+ vnic = &bp->vnic_info[i];
+ vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
+ vnic->fw_rss_cos_lb_ctx = (uint16_t)HWRM_NA_SIGNATURE;
+ vnic->ctx_is_rss_cos_lb = HW_CONTEXT_NONE;
+
+ for (j = 0; j < MAX_QUEUES_PER_VNIC; j++)
+ vnic->fw_grp_ids[j] = (uint16_t)HWRM_NA_SIGNATURE;
+
+ prandom_bytes(vnic->rss_hash_key, HW_HASH_KEY_SIZE);
+ STAILQ_INIT(&vnic->filter);
+ STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
+ }
+ for (i = 0; i < MAX_FF_POOLS; i++)
+ STAILQ_INIT(&bp->ff_pool[i]);
+}
+
+int bnxt_free_vnic(struct bnxt *bp, struct bnxt_vnic_info *vnic,
+ int pool)
+{
+ struct bnxt_vnic_info *temp;
+
+ temp = STAILQ_FIRST(&bp->ff_pool[pool]);
+ while (temp) {
+ if (temp == vnic) {
+ STAILQ_REMOVE(&bp->ff_pool[pool], vnic,
+ bnxt_vnic_info, next);
+ vnic->fw_vnic_id = (uint16_t)HWRM_NA_SIGNATURE;
+ STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic,
+ next);
+ return 0;
+ }
+ temp = STAILQ_NEXT(temp, next);
+ }
+ RTE_LOG(ERR, PMD, "VNIC %p is not found in pool[%d]\n", vnic, pool);
+ return -EINVAL;
+}
+
+struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *vnic;
+
+ /* Find the 1st unused vnic from the free_vnic_list pool*/
+ vnic = STAILQ_FIRST(&bp->free_vnic_list);
+ if (!vnic) {
+ RTE_LOG(ERR, PMD, "No more free VNIC resources\n");
+ return NULL;
+ }
+ STAILQ_REMOVE_HEAD(&bp->free_vnic_list, next);
+ return vnic;
+}
+
+void bnxt_free_all_vnics(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *temp, *next;
+ int i;
+
+ for (i = 0; i < MAX_FF_POOLS; i++) {
+ temp = STAILQ_FIRST(&bp->ff_pool[i]);
+ while (temp) {
+ next = STAILQ_NEXT(temp, next);
+ STAILQ_REMOVE(&bp->ff_pool[i], temp, bnxt_vnic_info,
+ next);
+ STAILQ_INSERT_TAIL(&bp->free_vnic_list, temp, next);
+ temp = next;
+ }
+ }
+}
+
+void bnxt_free_vnic_attributes(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *vnic;
+
+ STAILQ_FOREACH(vnic, &bp->free_vnic_list, next) {
+ if (vnic->rss_table) {
+ /* 'Unreserve' the rss_table */
+ /* N/A */
+
+ vnic->rss_table = NULL;
+ }
+
+ if (vnic->rss_hash_key) {
+ /* 'Unreserve' the rss_hash_key */
+ /* N/A */
+
+ vnic->rss_hash_key = NULL;
+ }
+ }
+}
+
+int bnxt_alloc_vnic_attributes(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *vnic;
+ struct rte_pci_device *pdev = bp->pdev;
+ const struct rte_memzone *mz;
+ char mz_name[RTE_MEMZONE_NAMESIZE];
+ int entry_length = RTE_CACHE_LINE_ROUNDUP(
+ HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
+ HW_HASH_KEY_SIZE);
+ uint16_t max_vnics;
+ int i;
+
+ if (BNXT_PF(bp)) {
+ struct bnxt_pf_info *pf = &bp->pf;
+
+ max_vnics = pf->max_vnics;
+ } else {
+ struct bnxt_vf_info *vf = &bp->vf;
+
+ max_vnics = vf->max_vnics;
+ }
+ snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
+ "bnxt_%04x:%02x:%02x:%02x_vnicattr", pdev->addr.domain,
+ pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
+ mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
+ mz = rte_memzone_lookup(mz_name);
+ if (!mz) {
+ mz = rte_memzone_reserve(mz_name,
+ entry_length * max_vnics,
+ SOCKET_ID_ANY,
+ RTE_MEMZONE_2MB |
+ RTE_MEMZONE_SIZE_HINT_ONLY);
+ if (!mz)
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < max_vnics; i++) {
+ vnic = &bp->vnic_info[i];
+
+ /* Allocate rss table and hash key */
+ vnic->rss_table =
+ (void *)((char *)mz->addr + (entry_length * i));
+ memset(vnic->rss_table, -1, entry_length);
+
+ vnic->rss_table_dma_addr = mz->phys_addr + (entry_length * i);
+ vnic->rss_hash_key = (void *)((char *)vnic->rss_table +
+ HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table));
+
+ vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
+ HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
+ }
+
+ return 0;
+}
+
+void bnxt_free_vnic_mem(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *vnic;
+ uint16_t max_vnics, i;
+
+ if (BNXT_PF(bp)) {
+ struct bnxt_pf_info *pf = &bp->pf;
+
+ max_vnics = pf->max_vnics;
+ } else {
+ struct bnxt_vf_info *vf = &bp->vf;
+
+ max_vnics = vf->max_vnics;
+ }
+ for (i = 0; i < max_vnics; i++) {
+ vnic = &bp->vnic_info[i];
+ if (vnic->fw_vnic_id != (uint16_t)HWRM_NA_SIGNATURE) {
+ RTE_LOG(ERR, PMD, "VNIC is not freed yet!\n");
+ /* TODO Call HWRM to free VNIC */
+ }
+ }
+
+ rte_free(bp->vnic_info);
+ bp->vnic_info = NULL;
+}
+
+int bnxt_alloc_vnic_mem(struct bnxt *bp)
+{
+ struct bnxt_vnic_info *vnic_mem;
+ uint16_t max_vnics;
+
+ if (BNXT_PF(bp)) {
+ struct bnxt_pf_info *pf = &bp->pf;
+
+ max_vnics = pf->max_vnics;
+ } else {
+ struct bnxt_vf_info *vf = &bp->vf;
+
+ max_vnics = vf->max_vnics;
+ }
+ /* Allocate memory for VNIC pool and filter pool */
+ vnic_mem = rte_zmalloc("bnxt_vnic_info",
+ max_vnics * sizeof(struct bnxt_vnic_info), 0);
+ if (vnic_mem == NULL) {
+ RTE_LOG(ERR, PMD, "Failed to alloc memory for %d VNICs",
+ max_vnics);
+ return -ENOMEM;
+ }
+ bp->vnic_info = vnic_mem;
+ return 0;
+}
Code Review / deb_dpdk.git / blobdiff