mirror of https://github.com/F-Stack/f-stack.git
124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2022 Intel Corporation
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*/
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#ifndef _IDPF_RXTX_VEC_COMMON_H_
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#define _IDPF_RXTX_VEC_COMMON_H_
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#include <stdint.h>
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#include <ethdev_driver.h>
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#include <rte_malloc.h>
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#include "idpf_ethdev.h"
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#include "idpf_rxtx.h"
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#ifndef __INTEL_COMPILER
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#pragma GCC diagnostic ignored "-Wcast-qual"
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#endif
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#define IDPF_SCALAR_PATH 0
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#define IDPF_VECTOR_PATH 1
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#define IDPF_RX_NO_VECTOR_FLAGS ( \
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RTE_ETH_RX_OFFLOAD_IPV4_CKSUM | \
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RTE_ETH_RX_OFFLOAD_UDP_CKSUM | \
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RTE_ETH_RX_OFFLOAD_TCP_CKSUM | \
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RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM | \
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RTE_ETH_RX_OFFLOAD_TIMESTAMP)
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#define IDPF_TX_NO_VECTOR_FLAGS ( \
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RTE_ETH_TX_OFFLOAD_TCP_TSO | \
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RTE_ETH_TX_OFFLOAD_MULTI_SEGS | \
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RTE_ETH_TX_OFFLOAD_IPV4_CKSUM | \
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RTE_ETH_TX_OFFLOAD_SCTP_CKSUM | \
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RTE_ETH_TX_OFFLOAD_UDP_CKSUM | \
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RTE_ETH_TX_OFFLOAD_TCP_CKSUM)
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static inline int
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idpf_rx_vec_queue_default(struct idpf_rx_queue *rxq)
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{
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if (rxq == NULL)
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return IDPF_SCALAR_PATH;
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if (rte_is_power_of_2(rxq->nb_rx_desc) == 0)
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return IDPF_SCALAR_PATH;
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if (rxq->rx_free_thresh < IDPF_VPMD_RX_MAX_BURST)
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return IDPF_SCALAR_PATH;
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if ((rxq->nb_rx_desc % rxq->rx_free_thresh) != 0)
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return IDPF_SCALAR_PATH;
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if ((rxq->offloads & IDPF_RX_NO_VECTOR_FLAGS) != 0)
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return IDPF_SCALAR_PATH;
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return IDPF_VECTOR_PATH;
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}
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static inline int
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idpf_tx_vec_queue_default(struct idpf_tx_queue *txq)
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{
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if (txq == NULL)
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return IDPF_SCALAR_PATH;
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if (txq->rs_thresh < IDPF_VPMD_TX_MAX_BURST ||
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(txq->rs_thresh & 3) != 0)
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return IDPF_SCALAR_PATH;
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if ((txq->offloads & IDPF_TX_NO_VECTOR_FLAGS) != 0)
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return IDPF_SCALAR_PATH;
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return IDPF_VECTOR_PATH;
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}
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static inline int
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idpf_rx_splitq_vec_default(struct idpf_rx_queue *rxq)
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{
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if (rxq->bufq2->rx_buf_len < rxq->max_pkt_len)
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return IDPF_SCALAR_PATH;
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return IDPF_VECTOR_PATH;
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}
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static inline int
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idpf_rx_vec_dev_check_default(struct rte_eth_dev *dev)
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{
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struct idpf_vport *vport = dev->data->dev_private;
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struct idpf_rx_queue *rxq;
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int i, default_ret, splitq_ret, ret = IDPF_SCALAR_PATH;
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if (dev->data->scattered_rx)
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return IDPF_SCALAR_PATH;
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for (i = 0; i < dev->data->nb_rx_queues; i++) {
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rxq = dev->data->rx_queues[i];
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default_ret = idpf_rx_vec_queue_default(rxq);
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if (vport->rxq_model == VIRTCHNL2_QUEUE_MODEL_SPLIT) {
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splitq_ret = idpf_rx_splitq_vec_default(rxq);
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ret = splitq_ret && default_ret;
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} else {
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ret = default_ret;
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}
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if (ret == IDPF_SCALAR_PATH)
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return IDPF_SCALAR_PATH;
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}
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return IDPF_VECTOR_PATH;
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}
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static inline int
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idpf_tx_vec_dev_check_default(struct rte_eth_dev *dev)
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{
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int i;
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struct idpf_tx_queue *txq;
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int ret = 0;
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for (i = 0; i < dev->data->nb_tx_queues; i++) {
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txq = dev->data->tx_queues[i];
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ret = idpf_tx_vec_queue_default(txq);
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if (ret == IDPF_SCALAR_PATH)
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return IDPF_SCALAR_PATH;
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}
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return IDPF_VECTOR_PATH;
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}
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#endif /*_IDPF_RXTX_VEC_COMMON_H_*/
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