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Diffstat (limited to 'drivers/net/bnxt/bnxt_rxq.c')
-rw-r--r--drivers/net/bnxt/bnxt_rxq.c319
1 files changed, 319 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c
new file mode 100644
index 00000000..cddf17d5
--- /dev/null
+++ b/drivers/net/bnxt/bnxt_rxq.c
@@ -0,0 +1,319 @@
+/*-
+ * 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.
+ */
+
+#include <inttypes.h>
+
+#include <rte_malloc.h>
+
+#include "bnxt.h"
+#include "bnxt_cpr.h"
+#include "bnxt_filter.h"
+#include "bnxt_hwrm.h"
+#include "bnxt_ring.h"
+#include "bnxt_rxq.h"
+#include "bnxt_rxr.h"
+#include "bnxt_vnic.h"
+#include "hsi_struct_def_dpdk.h"
+
+/*
+ * RX Queues
+ */
+
+void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq)
+{
+ struct bnxt_cp_ring_info *cpr = rxq->cp_ring;
+
+ if (cpr->hw_stats)
+ cpr->hw_stats = NULL;
+}
+
+int bnxt_mq_rx_configure(struct bnxt *bp)
+{
+ struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
+ unsigned int i, j, nb_q_per_grp, ring_idx;
+ int start_grp_id, end_grp_id, rc = 0;
+ struct bnxt_vnic_info *vnic;
+ struct bnxt_filter_info *filter;
+ struct bnxt_rx_queue *rxq;
+
+ bp->nr_vnics = 0;
+
+ /* Single queue mode */
+ if (bp->rx_cp_nr_rings < 2) {
+ vnic = bnxt_alloc_vnic(bp);
+ if (!vnic) {
+ RTE_LOG(ERR, PMD, "VNIC alloc failed\n");
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ STAILQ_INSERT_TAIL(&bp->ff_pool[0], vnic, next);
+ bp->nr_vnics++;
+
+ rxq = bp->eth_dev->data->rx_queues[0];
+ rxq->vnic = vnic;
+
+ vnic->func_default = true;
+ vnic->ff_pool_idx = 0;
+ vnic->start_grp_id = 1;
+ vnic->end_grp_id = vnic->start_grp_id +
+ bp->rx_cp_nr_rings - 1;
+ filter = bnxt_alloc_filter(bp);
+ if (!filter) {
+ RTE_LOG(ERR, PMD, "L2 filter alloc failed\n");
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
+ goto out;
+ }
+
+ /* Multi-queue mode */
+ if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_FLAG) {
+ /* VMDq ONLY, VMDq+RSS, VMDq+DCB, VMDq+DCB+RSS */
+ enum rte_eth_nb_pools pools;
+
+ switch (dev_conf->rxmode.mq_mode) {
+ case ETH_MQ_RX_VMDQ_RSS:
+ case ETH_MQ_RX_VMDQ_ONLY:
+ {
+ const struct rte_eth_vmdq_rx_conf *conf =
+ &dev_conf->rx_adv_conf.vmdq_rx_conf;
+
+ /* ETH_8/64_POOLs */
+ pools = conf->nb_queue_pools;
+ break;
+ }
+ default:
+ RTE_LOG(ERR, PMD, "Unsupported mq_mod %d\n",
+ dev_conf->rxmode.mq_mode);
+ rc = -EINVAL;
+ goto err_out;
+ }
+ /* For each pool, allocate MACVLAN CFA rule & VNIC */
+ if (!pools) {
+ RTE_LOG(ERR, PMD,
+ "VMDq pool not set, defaulted to 64\n");
+ pools = ETH_64_POOLS;
+ }
+ nb_q_per_grp = bp->rx_cp_nr_rings / pools;
+ start_grp_id = 1;
+ end_grp_id = start_grp_id + nb_q_per_grp - 1;
+
+ ring_idx = 0;
+ for (i = 0; i < pools; i++) {
+ vnic = bnxt_alloc_vnic(bp);
+ if (!vnic) {
+ RTE_LOG(ERR, PMD,
+ "VNIC alloc failed\n");
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ STAILQ_INSERT_TAIL(&bp->ff_pool[i], vnic, next);
+ bp->nr_vnics++;
+
+ for (j = 0; j < nb_q_per_grp; j++, ring_idx++) {
+ rxq = bp->eth_dev->data->rx_queues[ring_idx];
+ rxq->vnic = vnic;
+ }
+ if (i == 0)
+ vnic->func_default = true;
+ vnic->ff_pool_idx = i;
+ vnic->start_grp_id = start_grp_id;
+ vnic->end_grp_id = end_grp_id;
+
+ filter = bnxt_alloc_filter(bp);
+ if (!filter) {
+ RTE_LOG(ERR, PMD,
+ "L2 filter alloc failed\n");
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ /*
+ * TODO: Configure & associate CFA rule for
+ * each VNIC for each VMDq with MACVLAN, MACVLAN+TC
+ */
+ STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
+
+ start_grp_id = end_grp_id + 1;
+ end_grp_id += nb_q_per_grp;
+ }
+ goto out;
+ }
+
+ /* Non-VMDq mode - RSS, DCB, RSS+DCB */
+ /* Init default VNIC for RSS or DCB only */
+ vnic = bnxt_alloc_vnic(bp);
+ if (!vnic) {
+ RTE_LOG(ERR, PMD, "VNIC alloc failed\n");
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ /* Partition the rx queues for the single pool */
+ for (i = 0; i < bp->rx_cp_nr_rings; i++) {
+ rxq = bp->eth_dev->data->rx_queues[i];
+ rxq->vnic = vnic;
+ }
+ STAILQ_INSERT_TAIL(&bp->ff_pool[0], vnic, next);
+ bp->nr_vnics++;
+
+ vnic->func_default = true;
+ vnic->ff_pool_idx = 0;
+ vnic->start_grp_id = 1;
+ vnic->end_grp_id = vnic->start_grp_id +
+ bp->rx_cp_nr_rings - 1;
+ filter = bnxt_alloc_filter(bp);
+ if (!filter) {
+ RTE_LOG(ERR, PMD, "L2 filter alloc failed\n");
+ rc = -ENOMEM;
+ goto err_out;
+ }
+ STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
+
+ if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
+ vnic->hash_type =
+ HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4 |
+ HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6;
+
+out:
+ return rc;
+
+err_out:
+ /* Free allocated vnic/filters */
+
+ return rc;
+}
+
+static void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq __rte_unused)
+{
+ struct bnxt_sw_rx_bd *sw_ring;
+ uint16_t i;
+
+ if (rxq) {
+ sw_ring = rxq->rx_ring->rx_buf_ring;
+ if (sw_ring) {
+ for (i = 0; i < rxq->nb_rx_desc; i++) {
+ if (sw_ring[i].mbuf) {
+ rte_pktmbuf_free_seg(sw_ring[i].mbuf);
+ sw_ring[i].mbuf = NULL;
+ }
+ }
+ }
+ }
+}
+
+void bnxt_free_rx_mbufs(struct bnxt *bp)
+{
+ struct bnxt_rx_queue *rxq;
+ int i;
+
+ for (i = 0; i < (int)bp->rx_nr_rings; i++) {
+ rxq = bp->rx_queues[i];
+ bnxt_rx_queue_release_mbufs(rxq);
+ }
+}
+
+void bnxt_rx_queue_release_op(void *rx_queue)
+{
+ struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue;
+
+ if (rxq) {
+ bnxt_rx_queue_release_mbufs(rxq);
+
+ /* Free RX ring hardware descriptors */
+ bnxt_free_ring(rxq->rx_ring->rx_ring_struct);
+
+ /* Free RX completion ring hardware descriptors */
+ bnxt_free_ring(rxq->cp_ring->cp_ring_struct);
+
+ bnxt_free_rxq_stats(rxq);
+
+ rte_free(rxq);
+ }
+}
+
+int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev,
+ uint16_t queue_idx,
+ uint16_t nb_desc,
+ unsigned int socket_id,
+ const struct rte_eth_rxconf *rx_conf,
+ struct rte_mempool *mp)
+{
+ struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+ struct bnxt_rx_queue *rxq;
+ int rc = 0;
+
+ if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) {
+ RTE_LOG(ERR, PMD, "nb_desc %d is invalid", nb_desc);
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (eth_dev->data->rx_queues) {
+ rxq = eth_dev->data->rx_queues[queue_idx];
+ if (rxq)
+ bnxt_rx_queue_release_op(rxq);
+ }
+ rxq = rte_zmalloc_socket("bnxt_rx_queue", sizeof(struct bnxt_rx_queue),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (!rxq) {
+ RTE_LOG(ERR, PMD, "bnxt_rx_queue allocation failed!");
+ rc = -ENOMEM;
+ goto out;
+ }
+ rxq->bp = bp;
+ rxq->mb_pool = mp;
+ rxq->nb_rx_desc = nb_desc;
+ rxq->rx_free_thresh = rx_conf->rx_free_thresh;
+
+ rc = bnxt_init_rx_ring_struct(rxq, socket_id);
+ if (rc)
+ goto out;
+
+ rxq->queue_id = queue_idx;
+ rxq->port_id = eth_dev->data->port_id;
+ rxq->crc_len = (uint8_t)((eth_dev->data->dev_conf.rxmode.hw_strip_crc) ?
+ 0 : ETHER_CRC_LEN);
+
+ eth_dev->data->rx_queues[queue_idx] = rxq;
+ /* Allocate RX ring hardware descriptors */
+ if (bnxt_alloc_rings(bp, queue_idx, NULL, rxq->rx_ring, rxq->cp_ring,
+ "rxr")) {
+ RTE_LOG(ERR, PMD, "ring_dma_zone_reserve for rx_ring failed!");
+ bnxt_rx_queue_release_op(rxq);
+ rc = -ENOMEM;
+ goto out;
+ }
+
+out:
+ return rc;
+}