Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 144 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/bnxt/bnxt_txq.c b/src/seastar/dpdk/drivers/net/bnxt/bnxt_txq.c
new file mode 100644
index 000000000..b9b975e4c
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/bnxt/bnxt_txq.c
@@ -0,0 +1,144 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Broadcom
+ * All rights reserved.
+ */
+
+#include <inttypes.h>
+
+#include <rte_malloc.h>
+
+#include "bnxt.h"
+#include "bnxt_cpr.h"
+#include "bnxt_ring.h"
+#include "bnxt_txq.h"
+#include "bnxt_txr.h"
+
+/*
+ * TX Queues
+ */
+
+void bnxt_free_txq_stats(struct bnxt_tx_queue *txq)
+{
+	if (txq && txq->cp_ring && txq->cp_ring->hw_stats)
+		txq->cp_ring->hw_stats = NULL;
+}
+
+static void bnxt_tx_queue_release_mbufs(struct bnxt_tx_queue *txq)
+{
+	struct bnxt_sw_tx_bd *sw_ring;
+	uint16_t i;
+
+	if (!txq)
+		return;
+
+	sw_ring = txq->tx_ring->tx_buf_ring;
+	if (sw_ring) {
+		for (i = 0; i < txq->tx_ring->tx_ring_struct->ring_size; i++) {
+			if (sw_ring[i].mbuf) {
+				rte_pktmbuf_free(sw_ring[i].mbuf);
+				sw_ring[i].mbuf = NULL;
+			}
+		}
+	}
+}
+
+void bnxt_free_tx_mbufs(struct bnxt *bp)
+{
+	struct bnxt_tx_queue *txq;
+	int i;
+
+	for (i = 0; i < (int)bp->tx_nr_rings; i++) {
+		txq = bp->tx_queues[i];
+		bnxt_tx_queue_release_mbufs(txq);
+	}
+}
+
+void bnxt_tx_queue_release_op(void *tx_queue)
+{
+	struct bnxt_tx_queue *txq = (struct bnxt_tx_queue *)tx_queue;
+
+	if (txq) {
+		/* Free TX ring hardware descriptors */
+		bnxt_tx_queue_release_mbufs(txq);
+		bnxt_free_ring(txq->tx_ring->tx_ring_struct);
+
+		/* Free TX completion ring hardware descriptors */
+		bnxt_free_ring(txq->cp_ring->cp_ring_struct);
+
+		bnxt_free_txq_stats(txq);
+		rte_memzone_free(txq->mz);
+		txq->mz = NULL;
+
+		rte_free(txq);
+	}
+}
+
+int bnxt_tx_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_txconf *tx_conf)
+{
+	struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+	struct bnxt_tx_queue *txq;
+	int rc = 0;
+
+	if (queue_idx >= bp->max_tx_rings) {
+		PMD_DRV_LOG(ERR,
+			"Cannot create Tx ring %d. Only %d rings available\n",
+			queue_idx, bp->max_tx_rings);
+		return -EINVAL;
+	}
+
+	if (!nb_desc || nb_desc > MAX_TX_DESC_CNT) {
+		PMD_DRV_LOG(ERR, "nb_desc %d is invalid", nb_desc);
+		rc = -EINVAL;
+		goto out;
+	}
+
+	if (eth_dev->data->tx_queues) {
+		txq = eth_dev->data->tx_queues[queue_idx];
+		if (txq) {
+			bnxt_tx_queue_release_op(txq);
+			txq = NULL;
+		}
+	}
+	txq = rte_zmalloc_socket("bnxt_tx_queue", sizeof(struct bnxt_tx_queue),
+				 RTE_CACHE_LINE_SIZE, socket_id);
+	if (!txq) {
+		PMD_DRV_LOG(ERR, "bnxt_tx_queue allocation failed!");
+		rc = -ENOMEM;
+		goto out;
+	}
+	txq->bp = bp;
+	txq->nb_tx_desc = nb_desc;
+	txq->tx_free_thresh = tx_conf->tx_free_thresh;
+
+	rc = bnxt_init_tx_ring_struct(txq, socket_id);
+	if (rc)
+		goto out;
+
+	txq->queue_id = queue_idx;
+	txq->port_id = eth_dev->data->port_id;
+
+	/* Allocate TX ring hardware descriptors */
+	if (bnxt_alloc_rings(bp, queue_idx, txq, NULL, txq->cp_ring,
+			"txr")) {
+		PMD_DRV_LOG(ERR, "ring_dma_zone_reserve for tx_ring failed!");
+		bnxt_tx_queue_release_op(txq);
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	if (bnxt_init_one_tx_ring(txq)) {
+		PMD_DRV_LOG(ERR, "bnxt_init_one_tx_ring failed!");
+		bnxt_tx_queue_release_op(txq);
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	eth_dev->data->tx_queues[queue_idx] = txq;
+
+out:
+	return rc;
+}