-/*-
- * BSD LICENSE
- *
- * Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
- *
- * 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 6WIND S.A. 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 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
#include <assert.h>
#include <rte_mempool.h>
#include <rte_prefetch.h>
+#include <mlx5_prm.h>
+
+#include "mlx5_defs.h"
#include "mlx5.h"
#include "mlx5_utils.h"
#include "mlx5_rxtx.h"
#include "mlx5_rxtx_vec.h"
#include "mlx5_autoconf.h"
-#include "mlx5_defs.h"
-#include "mlx5_prm.h"
#if defined RTE_ARCH_X86_64
#include "mlx5_rxtx_vec_sse.h"
#elif defined RTE_ARCH_ARM64
#include "mlx5_rxtx_vec_neon.h"
+#elif defined RTE_ARCH_PPC_64
+#include "mlx5_rxtx_vec_altivec.h"
#else
#error "This should not be compiled if SIMD instructions are not supported."
#endif
-/**
- * Count the number of continuous single segment packets.
- *
- * @param pkts
- * Pointer to array of packets.
- * @param pkts_n
- * Number of packets.
- *
- * @return
- * Number of continuous single segment packets.
- */
-static inline unsigned int
-txq_check_multiseg(struct rte_mbuf **pkts, uint16_t pkts_n)
-{
- unsigned int pos;
-
- if (!pkts_n)
- return 0;
- /* Count the number of continuous single segment packets. */
- for (pos = 0; pos < pkts_n; ++pos)
- if (NB_SEGS(pkts[pos]) > 1)
- break;
- return pos;
-}
-
-/**
- * Count the number of packets having same ol_flags and calculate cs_flags.
- *
- * @param txq
- * Pointer to TX queue structure.
- * @param pkts
- * Pointer to array of packets.
- * @param pkts_n
- * Number of packets.
- * @param cs_flags
- * Pointer of flags to be returned.
- *
- * @return
- * Number of packets having same ol_flags.
- */
-static inline unsigned int
-txq_calc_offload(struct mlx5_txq_data *txq, struct rte_mbuf **pkts,
- uint16_t pkts_n, uint8_t *cs_flags)
-{
- unsigned int pos;
- const uint64_t ol_mask =
- PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM |
- PKT_TX_UDP_CKSUM | PKT_TX_TUNNEL_GRE |
- PKT_TX_TUNNEL_VXLAN | PKT_TX_OUTER_IP_CKSUM;
-
- if (!pkts_n)
- return 0;
- /* Count the number of packets having same ol_flags. */
- for (pos = 1; pos < pkts_n; ++pos)
- if ((pkts[pos]->ol_flags ^ pkts[0]->ol_flags) & ol_mask)
- break;
- /* Should open another MPW session for the rest. */
- if (pkts[0]->ol_flags &
- (PKT_TX_IP_CKSUM | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM)) {
- const uint64_t is_tunneled =
- pkts[0]->ol_flags &
- (PKT_TX_TUNNEL_GRE |
- PKT_TX_TUNNEL_VXLAN);
-
- if (is_tunneled && txq->tunnel_en) {
- *cs_flags = MLX5_ETH_WQE_L3_INNER_CSUM |
- MLX5_ETH_WQE_L4_INNER_CSUM;
- if (pkts[0]->ol_flags & PKT_TX_OUTER_IP_CKSUM)
- *cs_flags |= MLX5_ETH_WQE_L3_CSUM;
- } else {
- *cs_flags = MLX5_ETH_WQE_L3_CSUM |
- MLX5_ETH_WQE_L4_CSUM;
- }
- }
- return pos;
-}
-
-/**
- * DPDK callback for vectorized TX.
- *
- * @param dpdk_txq
- * Generic pointer to TX queue structure.
- * @param[in] pkts
- * Packets to transmit.
- * @param pkts_n
- * Number of packets in array.
- *
- * @return
- * Number of packets successfully transmitted (<= pkts_n).
- */
-uint16_t
-mlx5_tx_burst_raw_vec(void *dpdk_txq, struct rte_mbuf **pkts,
- uint16_t pkts_n)
-{
- struct mlx5_txq_data *txq = (struct mlx5_txq_data *)dpdk_txq;
- uint16_t nb_tx = 0;
-
- while (pkts_n > nb_tx) {
- uint16_t n;
- uint16_t ret;
-
- n = RTE_MIN((uint16_t)(pkts_n - nb_tx), MLX5_VPMD_TX_MAX_BURST);
- ret = txq_burst_v(txq, &pkts[nb_tx], n, 0);
- nb_tx += ret;
- if (!ret)
- break;
- }
- return nb_tx;
-}
-
-/**
- * DPDK callback for vectorized TX with multi-seg packets and offload.
- *
- * @param dpdk_txq
- * Generic pointer to TX queue structure.
- * @param[in] pkts
- * Packets to transmit.
- * @param pkts_n
- * Number of packets in array.
- *
- * @return
- * Number of packets successfully transmitted (<= pkts_n).
- */
-uint16_t
-mlx5_tx_burst_vec(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n)
-{
- struct mlx5_txq_data *txq = (struct mlx5_txq_data *)dpdk_txq;
- uint16_t nb_tx = 0;
-
- while (pkts_n > nb_tx) {
- uint8_t cs_flags = 0;
- uint16_t n;
- uint16_t ret;
-
- /* Transmit multi-seg packets in the head of pkts list. */
- if (!(txq->flags & ETH_TXQ_FLAGS_NOMULTSEGS) &&
- NB_SEGS(pkts[nb_tx]) > 1)
- nb_tx += txq_scatter_v(txq,
- &pkts[nb_tx],
- pkts_n - nb_tx);
- n = RTE_MIN((uint16_t)(pkts_n - nb_tx), MLX5_VPMD_TX_MAX_BURST);
- if (!(txq->flags & ETH_TXQ_FLAGS_NOMULTSEGS))
- n = txq_check_multiseg(&pkts[nb_tx], n);
- if (!(txq->flags & ETH_TXQ_FLAGS_NOOFFLOADS))
- n = txq_calc_offload(txq, &pkts[nb_tx], n, &cs_flags);
- ret = txq_burst_v(txq, &pkts[nb_tx], n, cs_flags);
- nb_tx += ret;
- if (!ret)
- break;
- }
- return nb_tx;
-}
-
/**
* Skip error packets.
*
for (i = 0; i < pkts_n; ++i) {
struct rte_mbuf *pkt = pkts[i];
- if (pkt->packet_type == RTE_PTYPE_ALL_MASK) {
+ if (pkt->packet_type == RTE_PTYPE_ALL_MASK || rxq->err_state) {
#ifdef MLX5_PMD_SOFT_COUNTERS
err_bytes += PKT_LEN(pkt);
#endif
rxq->stats.ipackets -= (pkts_n - n);
rxq->stats.ibytes -= err_bytes;
#endif
- rxq->pending_err = 0;
+ mlx5_rx_err_handle(rxq, 1);
return n;
}
{
struct mlx5_rxq_data *rxq = dpdk_rxq;
uint16_t nb_rx;
+ uint64_t err = 0;
- nb_rx = rxq_burst_v(rxq, pkts, pkts_n);
- if (unlikely(rxq->pending_err))
+ nb_rx = rxq_burst_v(rxq, pkts, pkts_n, &err);
+ if (unlikely(err | rxq->err_state))
nb_rx = rxq_handle_pending_error(rxq, pkts, nb_rx);
return nb_rx;
}
-/**
- * Check Tx queue flags are set for raw vectorized Tx.
- *
- * @param priv
- * Pointer to private structure.
- *
- * @return
- * 1 if supported, negative errno value if not.
- */
-int __attribute__((cold))
-priv_check_raw_vec_tx_support(struct priv *priv)
-{
- uint16_t i;
-
- /* All the configured queues should support. */
- for (i = 0; i < priv->txqs_n; ++i) {
- struct mlx5_txq_data *txq = (*priv->txqs)[i];
-
- if (!(txq->flags & ETH_TXQ_FLAGS_NOMULTSEGS) ||
- !(txq->flags & ETH_TXQ_FLAGS_NOOFFLOADS))
- break;
- }
- if (i != priv->txqs_n)
- return -ENOTSUP;
- return 1;
-}
-
-/**
- * Check a device can support vectorized TX.
- *
- * @param priv
- * Pointer to private structure.
- *
- * @return
- * 1 if supported, negative errno value if not.
- */
-int __attribute__((cold))
-priv_check_vec_tx_support(struct priv *priv)
-{
- if (!priv->tx_vec_en ||
- priv->txqs_n > MLX5_VPMD_MIN_TXQS ||
- priv->mps != MLX5_MPW_ENHANCED ||
- priv->tso)
- return -ENOTSUP;
- return 1;
-}
-
/**
* Check a RX queue can support vectorized RX.
*
* 1 if supported, negative errno value if not.
*/
int __attribute__((cold))
-rxq_check_vec_support(struct mlx5_rxq_data *rxq)
+mlx5_rxq_check_vec_support(struct mlx5_rxq_data *rxq)
{
struct mlx5_rxq_ctrl *ctrl =
container_of(rxq, struct mlx5_rxq_ctrl, rxq);
- if (!ctrl->priv->rx_vec_en || rxq->sges_n != 0)
+ if (mlx5_mprq_enabled(ETH_DEV(ctrl->priv)))
+ return -ENOTSUP;
+ if (!ctrl->priv->config.rx_vec_en || rxq->sges_n != 0)
+ return -ENOTSUP;
+ if (rxq->lro)
return -ENOTSUP;
return 1;
}
/**
* Check a device can support vectorized RX.
*
- * @param priv
- * Pointer to private structure.
+ * @param dev
+ * Pointer to Ethernet device.
*
* @return
* 1 if supported, negative errno value if not.
*/
int __attribute__((cold))
-priv_check_vec_rx_support(struct priv *priv)
+mlx5_check_vec_rx_support(struct rte_eth_dev *dev)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
uint16_t i;
- if (!priv->rx_vec_en)
+ if (!priv->config.rx_vec_en)
+ return -ENOTSUP;
+ if (mlx5_mprq_enabled(dev))
return -ENOTSUP;
/* All the configured queues should support. */
for (i = 0; i < priv->rxqs_n; ++i) {
if (!rxq)
continue;
- if (rxq_check_vec_support(rxq) < 0)
+ if (mlx5_rxq_check_vec_support(rxq) < 0)
break;
}
if (i != priv->rxqs_n)