-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 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) 2010-2014 Intel Corporation
*/
#include <stdarg.h>
#include <rte_cycles.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
-#include <rte_ring.h>
-#include <rte_memory.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
-#include <rte_memcpy.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
#include <rte_ether.h>
#include <rte_tcp.h>
#include <rte_udp.h>
#include <rte_string_fns.h>
+#include <rte_flow.h>
#include "testpmd.h"
#define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
static struct ipv4_hdr pkt_ip_hdr; /**< IP header of transmitted packets. */
+RTE_DEFINE_PER_LCORE(uint8_t, _ip_var); /**< IP address variation */
static struct udp_hdr pkt_udp_hdr; /**< UDP header of transmitted packets. */
-static inline struct rte_mbuf *
-tx_mbuf_alloc(struct rte_mempool *mp)
-{
- struct rte_mbuf *m;
-
- m = __rte_mbuf_raw_alloc(mp);
- __rte_mbuf_sanity_check_raw(m, 0);
- return (m);
-}
-
static void
copy_buf_to_pkt_segs(void* buf, unsigned len, struct rte_mbuf *pkt,
unsigned offset)
buf = ((char*) buf + copy_len);
seg = seg->next;
seg_buf = rte_pktmbuf_mtod(seg, char *);
+ copy_len = seg->data_len;
}
rte_memcpy(seg_buf, buf, (size_t) len);
}
pkt_burst_transmit(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ struct rte_mbuf *pkt_segs[RTE_MAX_SEGS_PER_PKT];
struct rte_port *txp;
struct rte_mbuf *pkt;
struct rte_mbuf *pkt_seg;
uint16_t nb_tx;
uint16_t nb_pkt;
uint16_t vlan_tci, vlan_tci_outer;
+ uint32_t retry;
uint64_t ol_flags = 0;
+ uint8_t ip_var = RTE_PER_LCORE(_ip_var);
uint8_t i;
+ uint64_t tx_offloads;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
uint64_t start_tsc;
uint64_t end_tsc;
uint64_t core_cycles;
#endif
+ uint32_t nb_segs, pkt_len;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
start_tsc = rte_rdtsc();
mbp = current_fwd_lcore()->mbp;
txp = &ports[fs->tx_port];
+ tx_offloads = txp->dev_conf.txmode.offloads;
vlan_tci = txp->tx_vlan_id;
vlan_tci_outer = txp->tx_vlan_id_outer;
- if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_INSERT_VLAN)
+ if (tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT)
ol_flags = PKT_TX_VLAN_PKT;
- if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_INSERT_QINQ)
+ if (tx_offloads & DEV_TX_OFFLOAD_QINQ_INSERT)
ol_flags |= PKT_TX_QINQ_PKT;
+ if (tx_offloads & DEV_TX_OFFLOAD_MACSEC_INSERT)
+ ol_flags |= PKT_TX_MACSEC;
+
+ /*
+ * Initialize Ethernet header.
+ */
+ ether_addr_copy(&peer_eth_addrs[fs->peer_addr], ð_hdr.d_addr);
+ ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr);
+ eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+
for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
- pkt = tx_mbuf_alloc(mbp);
+ pkt = rte_mbuf_raw_alloc(mbp);
if (pkt == NULL) {
nomore_mbuf:
if (nb_pkt == 0)
return;
break;
}
+
+ /*
+ * Using raw alloc is good to improve performance,
+ * but some consumers may use the headroom and so
+ * decrement data_off. We need to make sure it is
+ * reset to default value.
+ */
+ rte_pktmbuf_reset_headroom(pkt);
pkt->data_len = tx_pkt_seg_lengths[0];
pkt_seg = pkt;
- for (i = 1; i < tx_pkt_nb_segs; i++) {
- pkt_seg->next = tx_mbuf_alloc(mbp);
- if (pkt_seg->next == NULL) {
- pkt->nb_segs = i;
+
+ if (tx_pkt_split == TX_PKT_SPLIT_RND)
+ nb_segs = random() % tx_pkt_nb_segs + 1;
+ else
+ nb_segs = tx_pkt_nb_segs;
+
+ if (nb_segs > 1) {
+ if (rte_mempool_get_bulk(mbp, (void **)pkt_segs,
+ nb_segs)) {
rte_pktmbuf_free(pkt);
goto nomore_mbuf;
}
+ }
+
+ pkt_len = pkt->data_len;
+ for (i = 1; i < nb_segs; i++) {
+ pkt_seg->next = pkt_segs[i - 1];
pkt_seg = pkt_seg->next;
pkt_seg->data_len = tx_pkt_seg_lengths[i];
+ pkt_len += pkt_seg->data_len;
}
pkt_seg->next = NULL; /* Last segment of packet. */
- /*
- * Initialize Ethernet header.
- */
- ether_addr_copy(&peer_eth_addrs[fs->peer_addr],ð_hdr.d_addr);
- ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr);
- eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
-
/*
* Copy headers in first packet segment(s).
*/
copy_buf_to_pkt(ð_hdr, sizeof(eth_hdr), pkt, 0);
copy_buf_to_pkt(&pkt_ip_hdr, sizeof(pkt_ip_hdr), pkt,
sizeof(struct ether_hdr));
+ if (txonly_multi_flow) {
+ struct ipv4_hdr *ip_hdr;
+ uint32_t addr;
+
+ ip_hdr = rte_pktmbuf_mtod_offset(pkt,
+ struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ /*
+ * Generate multiple flows by varying IP src addr. This
+ * enables packets are well distributed by RSS in
+ * receiver side if any and txonly mode can be a decent
+ * packet generator for developer's quick performance
+ * regression test.
+ */
+ addr = (IP_DST_ADDR | (ip_var++ << 8)) + rte_lcore_id();
+ ip_hdr->src_addr = rte_cpu_to_be_32(addr);
+ }
copy_buf_to_pkt(&pkt_udp_hdr, sizeof(pkt_udp_hdr), pkt,
sizeof(struct ether_hdr) +
sizeof(struct ipv4_hdr));
* Complete first mbuf of packet and append it to the
* burst of packets to be transmitted.
*/
- pkt->nb_segs = tx_pkt_nb_segs;
- pkt->pkt_len = tx_pkt_length;
+ pkt->nb_segs = nb_segs;
+ pkt->pkt_len = pkt_len;
pkt->ol_flags = ol_flags;
pkt->vlan_tci = vlan_tci;
pkt->vlan_tci_outer = vlan_tci_outer;
pkts_burst[nb_pkt] = pkt;
}
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_pkt);
+ /*
+ * Retry if necessary
+ */
+ if (unlikely(nb_tx < nb_pkt) && fs->retry_enabled) {
+ retry = 0;
+ while (nb_tx < nb_pkt && retry++ < burst_tx_retry_num) {
+ rte_delay_us(burst_tx_delay_time);
+ nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
+ &pkts_burst[nb_tx], nb_pkt - nb_tx);
+ }
+ }
fs->tx_packets += nb_tx;
+ if (txonly_multi_flow)
+ RTE_PER_LCORE(_ip_var) += nb_tx;
+
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
#endif
git.droids-corp.org / dpdk.git / blobdiff