-/*-
- * BSD LICENSE
- *
- * Copyright(c) Broadcom Limited.
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Broadcom
+ * All rights reserved.
*/
+#include <rte_bitmap.h>
#include <rte_memzone.h>
+#include <unistd.h>
#include "bnxt.h"
#include "bnxt_cpr.h"
+#include "bnxt_hwrm.h"
#include "bnxt_ring.h"
+#include "bnxt_rxq.h"
#include "bnxt_rxr.h"
+#include "bnxt_txq.h"
#include "bnxt_txr.h"
#include "hsi_struct_def_dpdk.h"
void bnxt_free_ring(struct bnxt_ring *ring)
{
+ if (!ring)
+ return;
+
if (ring->vmem_size && *ring->vmem) {
memset((char *)*ring->vmem, 0, ring->vmem_size);
*ring->vmem = NULL;
}
- rte_memzone_free((const struct rte_memzone *)ring->mem_zone);
+ ring->mem_zone = NULL;
+}
+
+/*
+ * Ring groups
+ */
+
+int bnxt_init_ring_grps(struct bnxt *bp)
+{
+ unsigned int i;
+
+ for (i = 0; i < bp->max_ring_grps; i++)
+ memset(&bp->grp_info[i], (uint8_t)HWRM_NA_SIGNATURE,
+ sizeof(struct bnxt_ring_grp_info));
+
+ return 0;
}
/*
* rx bd ring - Only non-zero length if rx_ring_info is not NULL
*/
int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
- struct bnxt_tx_ring_info *tx_ring_info,
- struct bnxt_rx_ring_info *rx_ring_info,
+ struct bnxt_tx_queue *txq,
+ struct bnxt_rx_queue *rxq,
struct bnxt_cp_ring_info *cp_ring_info,
const char *suffix)
{
struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct;
+ struct bnxt_rx_ring_info *rx_ring_info = rxq ? rxq->rx_ring : NULL;
+ struct bnxt_tx_ring_info *tx_ring_info = txq ? txq->tx_ring : NULL;
struct bnxt_ring *tx_ring;
struct bnxt_ring *rx_ring;
struct rte_pci_device *pdev = bp->pdev;
+ uint64_t rx_offloads = bp->eth_dev->data->dev_conf.rxmode.offloads;
const struct rte_memzone *mz = NULL;
char mz_name[RTE_MEMZONE_NAMESIZE];
+ rte_iova_t mz_phys_addr;
+ int sz;
int stats_len = (tx_ring_info || rx_ring_info) ?
- RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0;
+ RTE_CACHE_LINE_ROUNDUP(sizeof(struct hwrm_stat_ctx_query_output) -
+ sizeof (struct hwrm_resp_hdr)) : 0;
int cp_vmem_start = stats_len;
int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size);
int rx_vmem_len = rx_ring_info ?
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->
rx_ring_struct->vmem_size) : 0;
+ int ag_vmem_start = 0;
+ int ag_vmem_len = 0;
+ int cp_ring_start = 0;
+
+ ag_vmem_start = rx_vmem_start + rx_vmem_len;
+ ag_vmem_len = rx_ring_info ? RTE_CACHE_LINE_ROUNDUP(
+ rx_ring_info->ag_ring_struct->vmem_size) : 0;
+ cp_ring_start = ag_vmem_start + ag_vmem_len;
- int cp_ring_start = rx_vmem_start + rx_vmem_len;
int cp_ring_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->ring_size *
sizeof(struct cmpl_base));
RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
sizeof(struct rx_prod_pkt_bd)) : 0;
- int total_alloc_len = rx_ring_start + rx_ring_len;
+ int ag_ring_start = rx_ring_start + rx_ring_len;
+ int ag_ring_len = rx_ring_len * AGG_RING_SIZE_FACTOR;
+
+ int ag_bitmap_start = ag_ring_start + ag_ring_len;
+ int ag_bitmap_len = rx_ring_info ?
+ RTE_CACHE_LINE_ROUNDUP(rte_bitmap_get_memory_footprint(
+ rx_ring_info->rx_ring_struct->ring_size *
+ AGG_RING_SIZE_FACTOR)) : 0;
+
+ int tpa_info_start = ag_bitmap_start + ag_bitmap_len;
+ int tpa_info_len = rx_ring_info ?
+ RTE_CACHE_LINE_ROUNDUP(BNXT_TPA_MAX *
+ sizeof(struct bnxt_tpa_info)) : 0;
+
+ int total_alloc_len = tpa_info_start;
+ if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
+ total_alloc_len += tpa_info_len;
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
"bnxt_%04x:%02x:%02x:%02x-%04x_%s", pdev->addr.domain,
mz_name[RTE_MEMZONE_NAMESIZE - 1] = 0;
mz = rte_memzone_lookup(mz_name);
if (!mz) {
- mz = rte_memzone_reserve(mz_name, total_alloc_len,
- SOCKET_ID_ANY,
- RTE_MEMZONE_2MB |
- RTE_MEMZONE_SIZE_HINT_ONLY);
+ mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len,
+ SOCKET_ID_ANY,
+ RTE_MEMZONE_2MB |
+ RTE_MEMZONE_SIZE_HINT_ONLY |
+ RTE_MEMZONE_IOVA_CONTIG,
+ getpagesize());
if (mz == NULL)
return -ENOMEM;
}
memset(mz->addr, 0, mz->len);
+ mz_phys_addr = mz->iova;
+ if ((unsigned long)mz->addr == mz_phys_addr) {
+ PMD_DRV_LOG(WARNING,
+ "Memzone physical address same as virtual.\n");
+ PMD_DRV_LOG(WARNING,
+ "Using rte_mem_virt2iova()\n");
+ for (sz = 0; sz < total_alloc_len; sz += getpagesize())
+ rte_mem_lock_page(((char *)mz->addr) + sz);
+ mz_phys_addr = rte_mem_virt2iova(mz->addr);
+ if (mz_phys_addr == 0) {
+ PMD_DRV_LOG(ERR,
+ "unable to map ring address to physical memory\n");
+ return -ENOMEM;
+ }
+ }
if (tx_ring_info) {
+ txq->mz = mz;
tx_ring = tx_ring_info->tx_ring_struct;
tx_ring->bd = ((char *)mz->addr + tx_ring_start);
tx_ring_info->tx_desc_ring = (struct tx_bd_long *)tx_ring->bd;
- tx_ring->bd_dma = mz->phys_addr + tx_ring_start;
+ tx_ring->bd_dma = mz_phys_addr + tx_ring_start;
tx_ring_info->tx_desc_mapping = tx_ring->bd_dma;
tx_ring->mem_zone = (const void *)mz;
}
if (rx_ring_info) {
+ rxq->mz = mz;
rx_ring = rx_ring_info->rx_ring_struct;
rx_ring->bd = ((char *)mz->addr + rx_ring_start);
rx_ring_info->rx_desc_ring =
(struct rx_prod_pkt_bd *)rx_ring->bd;
- rx_ring->bd_dma = mz->phys_addr + rx_ring_start;
+ rx_ring->bd_dma = mz_phys_addr + rx_ring_start;
rx_ring_info->rx_desc_mapping = rx_ring->bd_dma;
rx_ring->mem_zone = (const void *)mz;
rx_ring_info->rx_buf_ring =
(struct bnxt_sw_rx_bd *)rx_ring->vmem;
}
+
+ rx_ring = rx_ring_info->ag_ring_struct;
+
+ rx_ring->bd = ((char *)mz->addr + ag_ring_start);
+ rx_ring_info->ag_desc_ring =
+ (struct rx_prod_pkt_bd *)rx_ring->bd;
+ rx_ring->bd_dma = mz->iova + ag_ring_start;
+ rx_ring_info->ag_desc_mapping = rx_ring->bd_dma;
+ rx_ring->mem_zone = (const void *)mz;
+
+ if (!rx_ring->bd)
+ return -ENOMEM;
+ if (rx_ring->vmem_size) {
+ rx_ring->vmem =
+ (void **)((char *)mz->addr + ag_vmem_start);
+ rx_ring_info->ag_buf_ring =
+ (struct bnxt_sw_rx_bd *)rx_ring->vmem;
+ }
+
+ rx_ring_info->ag_bitmap =
+ rte_bitmap_init(rx_ring_info->rx_ring_struct->ring_size *
+ AGG_RING_SIZE_FACTOR, (uint8_t *)mz->addr +
+ ag_bitmap_start, ag_bitmap_len);
+
+ /* TPA info */
+ if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO)
+ rx_ring_info->tpa_info =
+ ((struct bnxt_tpa_info *)((char *)mz->addr +
+ tpa_info_start));
}
cp_ring->bd = ((char *)mz->addr + cp_ring_start);
- cp_ring->bd_dma = mz->phys_addr + cp_ring_start;
+ cp_ring->bd_dma = mz_phys_addr + cp_ring_start;
cp_ring_info->cp_desc_ring = cp_ring->bd;
cp_ring_info->cp_desc_mapping = cp_ring->bd_dma;
cp_ring->mem_zone = (const void *)mz;
*cp_ring->vmem = ((char *)mz->addr + stats_len);
if (stats_len) {
cp_ring_info->hw_stats = mz->addr;
- cp_ring_info->hw_stats_map = mz->phys_addr;
+ cp_ring_info->hw_stats_map = mz_phys_addr;
}
cp_ring_info->hw_stats_ctx_id = HWRM_NA_SIGNATURE;
return 0;
}
+
+static void bnxt_init_dflt_coal(struct bnxt_coal *coal)
+{
+ /* Tick values in micro seconds.
+ * 1 coal_buf x bufs_per_record = 1 completion record.
+ */
+ coal->num_cmpl_aggr_int = BNXT_NUM_CMPL_AGGR_INT;
+ /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
+ coal->num_cmpl_dma_aggr = BNXT_NUM_CMPL_DMA_AGGR;
+ /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
+ coal->num_cmpl_dma_aggr_during_int = BNXT_NUM_CMPL_DMA_AGGR_DURING_INT;
+ coal->int_lat_tmr_max = BNXT_INT_LAT_TMR_MAX;
+ /* min timer set to 1/2 of interrupt timer */
+ coal->int_lat_tmr_min = BNXT_INT_LAT_TMR_MIN;
+ /* buf timer set to 1/4 of interrupt timer */
+ coal->cmpl_aggr_dma_tmr = BNXT_CMPL_AGGR_DMA_TMR;
+ coal->cmpl_aggr_dma_tmr_during_int = BNXT_CMPL_AGGR_DMA_TMR_DURING_INT;
+}
+
+int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index)
+{
+ struct rte_pci_device *pci_dev = bp->pdev;
+ struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index];
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ struct bnxt_ring *ring = rxr->rx_ring_struct;
+ unsigned int map_idx = queue_index + bp->rx_cp_nr_rings;
+ int rc = 0;
+
+ bp->grp_info[queue_index].fw_stats_ctx = cpr->hw_stats_ctx_id;
+
+ /* Rx cmpl */
+ rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ queue_index, HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+
+ cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ queue_index * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].cp_fw_ring_id = cp_ring->fw_ring_id;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+
+ if (!queue_index) {
+ /*
+ * In order to save completion resources, use the first
+ * completion ring from PF or VF as the default completion ring
+ * for async event and HWRM forward response handling.
+ */
+ bp->def_cp_ring = cpr;
+ rc = bnxt_hwrm_set_async_event_cr(bp);
+ if (rc)
+ goto err_out;
+ }
+ /* Rx ring */
+ rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ queue_index, cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ rxr->rx_prod = 0;
+ rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ queue_index * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].rx_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+
+ ring = rxr->ag_ring_struct;
+ /* Agg ring */
+ if (!ring)
+ PMD_DRV_LOG(ERR, "Alloc AGG Ring is NULL!\n");
+
+ rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ map_idx, HWRM_NA_SIGNATURE,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ PMD_DRV_LOG(DEBUG, "Alloc AGG Done!\n");
+ rxr->ag_prod = 0;
+ rxr->ag_doorbell = (char *)pci_dev->mem_resource[2].addr +
+ map_idx * BNXT_DB_SIZE;
+ bp->grp_info[queue_index].ag_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ rxq->rx_buf_use_size = BNXT_MAX_MTU + RTE_ETHER_HDR_LEN +
+ RTE_ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE);
+
+ if (bp->eth_dev->data->rx_queue_state[queue_index] ==
+ RTE_ETH_QUEUE_STATE_STARTED) {
+ if (bnxt_init_one_rx_ring(rxq)) {
+ RTE_LOG(ERR, PMD,
+ "bnxt_init_one_rx_ring failed!\n");
+ bnxt_rx_queue_release_op(rxq);
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+ }
+ rxq->index = queue_index;
+ PMD_DRV_LOG(INFO,
+ "queue %d, rx_deferred_start %d, state %d!\n",
+ queue_index, rxq->rx_deferred_start,
+ bp->eth_dev->data->rx_queue_state[queue_index]);
+
+err_out:
+ return rc;
+}
+/* ring_grp usage:
+ * [0] = default completion ring
+ * [1 -> +rx_cp_nr_rings] = rx_cp, rx rings
+ * [1+rx_cp_nr_rings + 1 -> +tx_cp_nr_rings] = tx_cp, tx rings
+ */
+int bnxt_alloc_hwrm_rings(struct bnxt *bp)
+{
+ struct bnxt_coal coal;
+ unsigned int i;
+ int rc = 0;
+
+ bnxt_init_dflt_coal(&coal);
+
+ for (i = 0; i < bp->rx_cp_nr_rings; i++) {
+ struct bnxt_rx_queue *rxq = bp->rx_queues[i];
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+ struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
+ struct bnxt_rx_ring_info *rxr = rxq->rx_ring;
+ struct bnxt_ring *ring = rxr->rx_ring_struct;
+ unsigned int map_idx = i + bp->rx_cp_nr_rings;
+
+ bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
+
+ /* Rx cmpl */
+ rc = bnxt_hwrm_ring_alloc
+ (bp,
+ cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ i,
+ HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+ cpr->cp_doorbell = (char *)bp->doorbell_base + i * 0x80;
+ bp->grp_info[i].cp_fw_ring_id = cp_ring->fw_ring_id;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+ bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);
+
+ if (!i) {
+ /*
+ * In order to save completion resource, use the first
+ * completion ring from PF or VF as the default
+ * completion ring for async event & HWRM
+ * forward response handling.
+ */
+ bp->def_cp_ring = cpr;
+ rc = bnxt_hwrm_set_async_event_cr(bp);
+ if (rc)
+ goto err_out;
+ }
+
+ /* Rx ring */
+ rc = bnxt_hwrm_ring_alloc(bp,
+ ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ i,
+ cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+ rxr->rx_prod = 0;
+ rxr->rx_doorbell = (char *)bp->doorbell_base + i * 0x80;
+ bp->grp_info[i].rx_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+
+ ring = rxr->ag_ring_struct;
+ /* Agg ring */
+ if (ring == NULL) {
+ PMD_DRV_LOG(ERR, "Alloc AGG Ring is NULL!\n");
+ goto err_out;
+ }
+
+ rc = bnxt_hwrm_ring_alloc(bp, ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
+ map_idx, HWRM_NA_SIGNATURE,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+ PMD_DRV_LOG(DEBUG, "Alloc AGG Done!\n");
+ rxr->ag_prod = 0;
+ rxr->ag_doorbell = (char *)bp->doorbell_base + map_idx * 0x80;
+ bp->grp_info[i].ag_fw_ring_id = ring->fw_ring_id;
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+
+ rxq->rx_buf_use_size = BNXT_MAX_MTU + RTE_ETHER_HDR_LEN +
+ RTE_ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE);
+ if (bnxt_init_one_rx_ring(rxq)) {
+ PMD_DRV_LOG(ERR, "bnxt_init_one_rx_ring failed!\n");
+ bnxt_rx_queue_release_op(rxq);
+ return -ENOMEM;
+ }
+ B_RX_DB(rxr->rx_doorbell, rxr->rx_prod);
+ B_RX_DB(rxr->ag_doorbell, rxr->ag_prod);
+ rxq->index = i;
+ }
+
+ for (i = 0; i < bp->tx_cp_nr_rings; i++) {
+ struct bnxt_tx_queue *txq = bp->tx_queues[i];
+ struct bnxt_cp_ring_info *cpr = txq->cp_ring;
+ struct bnxt_ring *cp_ring = cpr->cp_ring_struct;
+ struct bnxt_tx_ring_info *txr = txq->tx_ring;
+ struct bnxt_ring *ring = txr->tx_ring_struct;
+ unsigned int idx = i + bp->rx_cp_nr_rings;
+
+ /* Tx cmpl */
+ rc = bnxt_hwrm_ring_alloc(bp, cp_ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
+ idx, HWRM_NA_SIGNATURE,
+ HWRM_NA_SIGNATURE);
+ if (rc)
+ goto err_out;
+
+ cpr->cp_doorbell = (char *)bp->doorbell_base + idx * 0x80;
+ B_CP_DIS_DB(cpr, cpr->cp_raw_cons);
+
+ /* Tx ring */
+ rc = bnxt_hwrm_ring_alloc(bp, ring,
+ HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
+ idx, cpr->hw_stats_ctx_id,
+ cp_ring->fw_ring_id);
+ if (rc)
+ goto err_out;
+
+ txr->tx_doorbell = (char *)bp->doorbell_base + idx * 0x80;
+ txq->index = idx;
+ bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id);
+ }
+
+err_out:
+ return rc;
+}
git.droids-corp.org / dpdk.git / blobdiff