-/*-
- * 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 <stdio.h>
#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)
{
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;
}
#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;
}
* 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++) {
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).",
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 "
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];
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;
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)
{
{
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;
+}