X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fi40e%2Fi40e_rxtx.c;h=62985c3a9bd74b80ea622ee7274d7822e12badfd;hb=040ddce28acaaf791ff04d5ce77d7c25cd13c036;hp=8b4f612ff28c050ce1b2403a77cd1f910cdf90e4;hpb=bfa9a8a4605bf6c4c82aa6ebff98de89c73d2024;p=dpdk.git diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index 8b4f612ff2..62985c3a9b 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. - * 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 Intel 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) 2010-2016 Intel Corporation */ #include @@ -46,7 +17,7 @@ #include #include #include -#include +#include #include #include #include @@ -69,9 +40,6 @@ /* Base address of the HW descriptor ring should be 128B aligned. */ #define I40E_RING_BASE_ALIGN 128 -#define I40E_SIMPLE_FLAGS ((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS | \ - ETH_TXQ_FLAGS_NOOFFLOADS) - #define I40E_TXD_CMD (I40E_TX_DESC_CMD_EOP | I40E_TX_DESC_CMD_RS) #ifdef RTE_LIBRTE_IEEE1588 @@ -99,10 +67,6 @@ #define I40E_TX_OFFLOAD_NOTSUP_MASK \ (PKT_TX_OFFLOAD_MASK ^ I40E_TX_OFFLOAD_MASK) -static uint16_t i40e_xmit_pkts_simple(void *tx_queue, - struct rte_mbuf **tx_pkts, - uint16_t nb_pkts); - static inline void i40e_rxd_to_vlan_tci(struct rte_mbuf *mb, volatile union i40e_rx_desc *rxdp) { @@ -1273,7 +1237,7 @@ i40e_tx_free_bufs(struct i40e_tx_queue *txq) for (i = 0; i < txq->tx_rs_thresh; i++) rte_prefetch0((txep + i)->mbuf); - if (txq->txq_flags & (uint32_t)ETH_TXQ_FLAGS_NOREFCOUNT) { + if (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) { for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) { rte_mempool_put(txep->mbuf->pool, txep->mbuf); txep->mbuf = NULL; @@ -1473,13 +1437,10 @@ i40e_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, m = tx_pkts[i]; ol_flags = m->ol_flags; - /** - * m->nb_segs is uint8_t, so nb_segs is always less than - * I40E_TX_MAX_SEG. - * We check only a condition for nb_segs > I40E_TX_MAX_MTU_SEG. - */ + /* Check for m->nb_segs to not exceed the limits. */ if (!(ol_flags & PKT_TX_TCP_SEG)) { - if (m->nb_segs > I40E_TX_MAX_MTU_SEG) { + if (m->nb_segs > I40E_TX_MAX_SEG || + m->nb_segs > I40E_TX_MAX_MTU_SEG) { rte_errno = -EINVAL; return i; } @@ -1721,11 +1682,96 @@ i40e_dev_supported_ptypes_get(struct rte_eth_dev *dev) #endif dev->rx_pkt_burst == i40e_recv_scattered_pkts || dev->rx_pkt_burst == i40e_recv_scattered_pkts_vec || - dev->rx_pkt_burst == i40e_recv_pkts_vec) + dev->rx_pkt_burst == i40e_recv_pkts_vec || + dev->rx_pkt_burst == i40e_recv_scattered_pkts_vec_avx2 || + dev->rx_pkt_burst == i40e_recv_pkts_vec_avx2) return ptypes; return NULL; } +static int +i40e_check_rx_queue_offloads(struct rte_eth_dev *dev, uint64_t requested) +{ + struct rte_eth_dev_info dev_info; + uint64_t mandatory = dev->data->dev_conf.rxmode.offloads; + uint64_t supported; /* All per port offloads */ + + dev->dev_ops->dev_infos_get(dev, &dev_info); + supported = dev_info.rx_offload_capa ^ dev_info.rx_queue_offload_capa; + if ((requested & dev_info.rx_offload_capa) != requested) + return 0; /* requested range check */ + return !((mandatory ^ requested) & supported); +} + +static int +i40e_dev_first_queue(uint16_t idx, void **queues, int num) +{ + uint16_t i; + + for (i = 0; i < num; i++) { + if (i != idx && queues[i]) + return 0; + } + + return 1; +} + +static int +i40e_dev_rx_queue_setup_runtime(struct rte_eth_dev *dev, + struct i40e_rx_queue *rxq) +{ + struct i40e_adapter *ad = + I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); + int use_def_burst_func = + check_rx_burst_bulk_alloc_preconditions(rxq); + uint16_t buf_size = + (uint16_t)(rte_pktmbuf_data_room_size(rxq->mp) - + RTE_PKTMBUF_HEADROOM); + int use_scattered_rx = + ((rxq->max_pkt_len + 2 * I40E_VLAN_TAG_SIZE) > buf_size); + + if (i40e_rx_queue_init(rxq) != I40E_SUCCESS) { + PMD_DRV_LOG(ERR, + "Failed to do RX queue initialization"); + return -EINVAL; + } + + if (i40e_dev_first_queue(rxq->queue_id, + dev->data->rx_queues, + dev->data->nb_rx_queues)) { + /** + * If it is the first queue to setup, + * set all flags to default and call + * i40e_set_rx_function. + */ + ad->rx_bulk_alloc_allowed = true; + ad->rx_vec_allowed = true; + dev->data->scattered_rx = use_scattered_rx; + if (use_def_burst_func) + ad->rx_bulk_alloc_allowed = false; + i40e_set_rx_function(dev); + return 0; + } + + /* check bulk alloc conflict */ + if (ad->rx_bulk_alloc_allowed && use_def_burst_func) { + PMD_DRV_LOG(ERR, "Can't use default burst."); + return -EINVAL; + } + /* check scatterred conflict */ + if (!dev->data->scattered_rx && use_scattered_rx) { + PMD_DRV_LOG(ERR, "Scattered rx is required."); + return -EINVAL; + } + /* check vector conflict */ + if (ad->rx_vec_allowed && i40e_rxq_vec_setup(rxq)) { + PMD_DRV_LOG(ERR, "Failed vector rx setup."); + return -EINVAL; + } + + return 0; +} + int i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, @@ -1746,6 +1792,18 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t len, i; uint16_t reg_idx, base, bsf, tc_mapping; int q_offset, use_def_burst_func = 1; + struct rte_eth_dev_info dev_info; + + if (!i40e_check_rx_queue_offloads(dev, rx_conf->offloads)) { + dev->dev_ops->dev_infos_get(dev, &dev_info); + PMD_INIT_LOG(ERR, "%p: Rx queue offloads 0x%" PRIx64 + " don't match port offloads 0x%" PRIx64 + " or supported offloads 0x%" PRIx64, + (void *)dev, rx_conf->offloads, + dev->data->dev_conf.rxmode.offloads, + dev_info.rx_offload_capa); + return -ENOTSUP; + } if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) { vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); @@ -1794,11 +1852,12 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, rxq->queue_id = queue_idx; rxq->reg_idx = reg_idx; rxq->port_id = dev->data->port_id; - rxq->crc_len = (uint8_t) ((dev->data->dev_conf.rxmode.hw_strip_crc) ? - 0 : ETHER_CRC_LEN); + rxq->crc_len = (uint8_t)((dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_CRC_STRIP) ? 0 : ETHER_CRC_LEN); rxq->drop_en = rx_conf->rx_drop_en; rxq->vsi = vsi; rxq->rx_deferred_start = rx_conf->rx_deferred_start; + rxq->offloads = rx_conf->offloads; /* Allocate the maximun number of RX ring hardware descriptor. */ len = I40E_MAX_RING_DESC; @@ -1842,25 +1901,6 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, i40e_reset_rx_queue(rxq); rxq->q_set = TRUE; - dev->data->rx_queues[queue_idx] = rxq; - - use_def_burst_func = check_rx_burst_bulk_alloc_preconditions(rxq); - - if (!use_def_burst_func) { -#ifdef RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC - PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " - "satisfied. Rx Burst Bulk Alloc function will be " - "used on port=%d, queue=%d.", - rxq->port_id, rxq->queue_id); -#endif /* RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC */ - } else { - PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " - "not satisfied, Scattered Rx is requested, " - "or RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC is " - "not enabled on port=%d, queue=%d.", - rxq->port_id, rxq->queue_id); - ad->rx_bulk_alloc_allowed = false; - } for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { if (!(vsi->enabled_tc & (1 << i))) @@ -1875,6 +1915,34 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev, rxq->dcb_tc = i; } + if (dev->data->dev_started) { + if (i40e_dev_rx_queue_setup_runtime(dev, rxq)) { + i40e_dev_rx_queue_release(rxq); + return -EINVAL; + } + } else { + use_def_burst_func = + check_rx_burst_bulk_alloc_preconditions(rxq); + if (!use_def_burst_func) { +#ifdef RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC + PMD_INIT_LOG(DEBUG, + "Rx Burst Bulk Alloc Preconditions are " + "satisfied. Rx Burst Bulk Alloc function will be " + "used on port=%d, queue=%d.", + rxq->port_id, rxq->queue_id); +#endif /* RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC */ + } else { + PMD_INIT_LOG(DEBUG, + "Rx Burst Bulk Alloc Preconditions are " + "not satisfied, Scattered Rx is requested, " + "or RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC is " + "not enabled on port=%d, queue=%d.", + rxq->port_id, rxq->queue_id); + ad->rx_bulk_alloc_allowed = false; + } + } + + dev->data->rx_queues[queue_idx] = rxq; return 0; } @@ -2006,6 +2074,66 @@ i40e_dev_tx_descriptor_status(void *tx_queue, uint16_t offset) return RTE_ETH_TX_DESC_FULL; } +static int +i40e_check_tx_queue_offloads(struct rte_eth_dev *dev, uint64_t requested) +{ + struct rte_eth_dev_info dev_info; + uint64_t mandatory = dev->data->dev_conf.txmode.offloads; + uint64_t supported; /* All per port offloads */ + + dev->dev_ops->dev_infos_get(dev, &dev_info); + supported = dev_info.tx_offload_capa ^ dev_info.tx_queue_offload_capa; + if ((requested & dev_info.tx_offload_capa) != requested) + return 0; /* requested range check */ + return !((mandatory ^ requested) & supported); +} + +static int +i40e_dev_tx_queue_setup_runtime(struct rte_eth_dev *dev, + struct i40e_tx_queue *txq) +{ + struct i40e_adapter *ad = + I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); + + if (i40e_tx_queue_init(txq) != I40E_SUCCESS) { + PMD_DRV_LOG(ERR, + "Failed to do TX queue initialization"); + return -EINVAL; + } + + if (i40e_dev_first_queue(txq->queue_id, + dev->data->tx_queues, + dev->data->nb_tx_queues)) { + /** + * If it is the first queue to setup, + * set all flags and call + * i40e_set_tx_function. + */ + i40e_set_tx_function_flag(dev, txq); + i40e_set_tx_function(dev); + return 0; + } + + /* check vector conflict */ + if (ad->tx_vec_allowed) { + if (txq->tx_rs_thresh > RTE_I40E_TX_MAX_FREE_BUF_SZ || + i40e_txq_vec_setup(txq)) { + PMD_DRV_LOG(ERR, "Failed vector tx setup."); + return -EINVAL; + } + } + /* check simple tx conflict */ + if (ad->tx_simple_allowed) { + if (txq->offloads != 0 || + txq->tx_rs_thresh < RTE_PMD_I40E_TX_MAX_BURST) { + PMD_DRV_LOG(ERR, "No-simple tx is required."); + return -EINVAL; + } + } + + return 0; +} + int i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, @@ -2023,6 +2151,18 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_rs_thresh, tx_free_thresh; uint16_t reg_idx, i, base, bsf, tc_mapping; int q_offset; + struct rte_eth_dev_info dev_info; + + if (!i40e_check_tx_queue_offloads(dev, tx_conf->offloads)) { + dev->dev_ops->dev_infos_get(dev, &dev_info); + PMD_INIT_LOG(ERR, "%p: Tx queue offloads 0x%" PRIx64 + " don't match port offloads 0x%" PRIx64 + " or supported offloads 0x%" PRIx64, + (void *)dev, tx_conf->offloads, + dev->data->dev_conf.txmode.offloads, + dev_info.tx_offload_capa); + return -ENOTSUP; + } if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) { vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); @@ -2157,7 +2297,7 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, txq->queue_id = queue_idx; txq->reg_idx = reg_idx; txq->port_id = dev->data->port_id; - txq->txq_flags = tx_conf->txq_flags; + txq->offloads = tx_conf->offloads; txq->vsi = vsi; txq->tx_deferred_start = tx_conf->tx_deferred_start; @@ -2178,10 +2318,6 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, i40e_reset_tx_queue(txq); txq->q_set = TRUE; - dev->data->tx_queues[queue_idx] = txq; - - /* Use a simple TX queue without offloads or multi segs if possible */ - i40e_set_tx_function_flag(dev, txq); for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { if (!(vsi->enabled_tc & (1 << i))) @@ -2196,6 +2332,20 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev, txq->dcb_tc = i; } + if (dev->data->dev_started) { + if (i40e_dev_tx_queue_setup_runtime(dev, txq)) { + i40e_dev_tx_queue_release(txq); + return -EINVAL; + } + } else { + /** + * Use a simple TX queue without offloads or + * multi segs if possible + */ + i40e_set_tx_function_flag(dev, txq); + } + dev->data->tx_queues[queue_idx] = txq; + return 0; } @@ -2223,8 +2373,8 @@ i40e_memzone_reserve(const char *name, uint32_t len, int socket_id) if (mz) return mz; - mz = rte_memzone_reserve_aligned(name, len, - socket_id, 0, I40E_RING_BASE_ALIGN); + mz = rte_memzone_reserve_aligned(name, len, socket_id, + RTE_MEMZONE_IOVA_CONTIG, I40E_RING_BASE_ALIGN); return mz; } @@ -2319,7 +2469,8 @@ i40e_tx_queue_release_mbufs(struct i40e_tx_queue *txq) * vPMD tx will not set sw_ring's mbuf to NULL after free, * so need to free remains more carefully. */ - if (dev->tx_pkt_burst == i40e_xmit_pkts_vec) { + if (dev->tx_pkt_burst == i40e_xmit_pkts_vec_avx2 || + dev->tx_pkt_burst == i40e_xmit_pkts_vec) { i = txq->tx_next_dd - txq->tx_rs_thresh + 1; if (txq->tx_tail < i) { for (; i < txq->nb_tx_desc; i++) { @@ -2502,7 +2653,7 @@ i40e_rx_queue_config(struct i40e_rx_queue *rxq) len = hw->func_caps.rx_buf_chain_len * rxq->rx_buf_len; rxq->max_pkt_len = RTE_MIN(len, data->dev_conf.rxmode.max_rx_pkt_len); - if (data->dev_conf.rxmode.jumbo_frame == 1) { + if (data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) { if (rxq->max_pkt_len <= ETHER_MAX_LEN || rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) { PMD_DRV_LOG(ERR, "maximum packet length must " @@ -2752,6 +2903,7 @@ i40e_fdir_setup_rx_resources(struct i40e_pf *pf) rxq->vsi = pf->fdir.fdir_vsi; rxq->rx_ring_phys_addr = rz->iova; + memset(rz->addr, 0, I40E_FDIR_NUM_RX_DESC * sizeof(union i40e_rx_desc)); rxq->rx_ring = (union i40e_rx_desc *)rz->addr; /* @@ -2779,6 +2931,7 @@ i40e_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, qinfo->conf.rx_free_thresh = rxq->rx_free_thresh; qinfo->conf.rx_drop_en = rxq->drop_en; qinfo->conf.rx_deferred_start = rxq->rx_deferred_start; + qinfo->conf.offloads = rxq->offloads; } void @@ -2797,7 +2950,6 @@ i40e_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, qinfo->conf.tx_free_thresh = txq->tx_free_thresh; qinfo->conf.tx_rs_thresh = txq->tx_rs_thresh; - qinfo->conf.txq_flags = txq->txq_flags; qinfo->conf.tx_deferred_start = txq->tx_deferred_start; } @@ -2842,6 +2994,17 @@ i40e_set_rx_function(struct rte_eth_dev *dev) dev->data->port_id); dev->rx_pkt_burst = i40e_recv_scattered_pkts_vec; +#ifdef RTE_ARCH_X86 + /* + * since AVX frequency can be different to base + * frequency, limit use of AVX2 version to later + * plaforms, not all those that could theoretically + * run it. + */ + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) + dev->rx_pkt_burst = + i40e_recv_scattered_pkts_vec_avx2; +#endif } else { PMD_INIT_LOG(DEBUG, "Using a Scattered with bulk " "allocation callback (port=%d).", @@ -2861,6 +3024,16 @@ i40e_set_rx_function(struct rte_eth_dev *dev) dev->data->port_id); dev->rx_pkt_burst = i40e_recv_pkts_vec; +#ifdef RTE_ARCH_X86 + /* + * since AVX frequency can be different to base + * frequency, limit use of AVX2 version to later + * plaforms, not all those that could theoretically + * run it. + */ + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) + dev->rx_pkt_burst = i40e_recv_pkts_vec_avx2; +#endif } else if (ad->rx_bulk_alloc_allowed) { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " "satisfied. Rx Burst Bulk Alloc function " @@ -2881,7 +3054,9 @@ i40e_set_rx_function(struct rte_eth_dev *dev) if (rte_eal_process_type() == RTE_PROC_PRIMARY) { rx_using_sse = (dev->rx_pkt_burst == i40e_recv_scattered_pkts_vec || - dev->rx_pkt_burst == i40e_recv_pkts_vec); + dev->rx_pkt_burst == i40e_recv_pkts_vec || + dev->rx_pkt_burst == i40e_recv_scattered_pkts_vec_avx2 || + dev->rx_pkt_burst == i40e_recv_pkts_vec_avx2); for (i = 0; i < dev->data->nb_rx_queues; i++) { struct i40e_rx_queue *rxq = dev->data->rx_queues[i]; @@ -2899,18 +3074,21 @@ i40e_set_tx_function_flag(struct rte_eth_dev *dev, struct i40e_tx_queue *txq) I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); /* Use a simple Tx queue (no offloads, no multi segs) if possible */ - if (((txq->txq_flags & I40E_SIMPLE_FLAGS) == I40E_SIMPLE_FLAGS) - && (txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST)) { - if (txq->tx_rs_thresh <= RTE_I40E_TX_MAX_FREE_BUF_SZ) { - PMD_INIT_LOG(DEBUG, "Vector tx" - " can be enabled on this txq."); - - } else { - ad->tx_vec_allowed = false; - } - } else { - ad->tx_simple_allowed = false; - } + ad->tx_simple_allowed = (txq->offloads == 0 && + txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST); + ad->tx_vec_allowed = (ad->tx_simple_allowed && + txq->tx_rs_thresh <= RTE_I40E_TX_MAX_FREE_BUF_SZ); + + if (ad->tx_vec_allowed) + PMD_INIT_LOG(DEBUG, "Vector Tx can be enabled on Tx queue %u.", + txq->queue_id); + else if (ad->tx_simple_allowed) + PMD_INIT_LOG(DEBUG, "Simple Tx can be enabled on Tx queue %u.", + txq->queue_id); + else + PMD_INIT_LOG(DEBUG, + "Neither simple nor vector Tx enabled on Tx queue %u\n", + txq->queue_id); } void __attribute__((cold)) @@ -2938,6 +3116,16 @@ i40e_set_tx_function(struct rte_eth_dev *dev) if (ad->tx_vec_allowed) { PMD_INIT_LOG(DEBUG, "Vector tx finally be used."); dev->tx_pkt_burst = i40e_xmit_pkts_vec; +#ifdef RTE_ARCH_X86 + /* + * since AVX frequency can be different to base + * frequency, limit use of AVX2 version to later + * plaforms, not all those that could theoretically + * run it. + */ + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) + dev->tx_pkt_burst = i40e_xmit_pkts_vec_avx2; +#endif } else { PMD_INIT_LOG(DEBUG, "Simple tx finally be used."); dev->tx_pkt_burst = i40e_xmit_pkts_simple; @@ -3044,6 +3232,22 @@ i40e_recv_scattered_pkts_vec( return 0; } +uint16_t __attribute__((weak)) +i40e_recv_pkts_vec_avx2(void __rte_unused *rx_queue, + struct rte_mbuf __rte_unused **rx_pkts, + uint16_t __rte_unused nb_pkts) +{ + return 0; +} + +uint16_t __attribute__((weak)) +i40e_recv_scattered_pkts_vec_avx2(void __rte_unused *rx_queue, + struct rte_mbuf __rte_unused **rx_pkts, + uint16_t __rte_unused nb_pkts) +{ + return 0; +} + int __attribute__((weak)) i40e_rxq_vec_setup(struct i40e_rx_queue __rte_unused *rxq) { @@ -3069,3 +3273,11 @@ i40e_xmit_fixed_burst_vec(void __rte_unused * tx_queue, { return 0; } + +uint16_t __attribute__((weak)) +i40e_xmit_pkts_vec_avx2(void __rte_unused * tx_queue, + struct rte_mbuf __rte_unused **tx_pkts, + uint16_t __rte_unused nb_pkts) +{ + return 0; +}