-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2013 Tilera 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 Tilera 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 2014-2020 Mellanox Technologies, Ltd
*/
#include <stdarg.h>
#include "testpmd.h"
-/* hardcoded configuration (for now) */
-static unsigned cfg_n_flows = 1024;
-static uint32_t cfg_ip_src = IPv4(10, 254, 0, 0);
-static uint32_t cfg_ip_dst = IPv4(10, 253, 0, 0);
+static uint32_t cfg_ip_src = RTE_IPV4(10, 254, 0, 0);
+static uint32_t cfg_ip_dst = RTE_IPV4(10, 253, 0, 0);
static uint16_t cfg_udp_src = 1000;
static uint16_t cfg_udp_dst = 1001;
static struct rte_ether_addr cfg_ether_src =
{{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x01 }};
#define IP_DEFTTL 64 /* from RFC 1340. */
-#define IP_VERSION 0x40
-#define IP_HDRLEN 0x05 /* default IP header length == five 32-bits words. */
-#define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
-static inline uint16_t
-ip_sum(const unaligned_uint16_t *hdr, int hdr_len)
-{
- uint32_t sum = 0;
-
- while (hdr_len > 1)
- {
- sum += *hdr++;
- if (sum & 0x80000000)
- sum = (sum & 0xFFFF) + (sum >> 16);
- hdr_len -= 2;
- }
-
- while (sum >> 16)
- sum = (sum & 0xFFFF) + (sum >> 16);
-
- return ~sum;
-}
+RTE_DEFINE_PER_LCORE(int, _next_flow);
/*
* Multi-flow generation mode.
unsigned pkt_size = tx_pkt_length - 4; /* Adjust FCS */
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mempool *mbp;
- struct rte_mbuf *pkt;
+ struct rte_mbuf *pkt = NULL;
struct rte_ether_hdr *eth_hdr;
struct rte_ipv4_hdr *ip_hdr;
- struct udp_hdr *udp_hdr;
+ struct rte_udp_hdr *udp_hdr;
uint16_t vlan_tci, vlan_tci_outer;
uint64_t ol_flags = 0;
uint16_t nb_rx;
uint16_t nb_tx;
+ uint16_t nb_dropped;
uint16_t nb_pkt;
+ uint16_t nb_clones = nb_pkt_flowgen_clones;
uint16_t i;
uint32_t retry;
uint64_t tx_offloads;
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
- uint64_t start_tsc;
- uint64_t end_tsc;
- uint64_t core_cycles;
-#endif
- static int next_flow = 0;
+ uint64_t start_tsc = 0;
+ int next_flow = RTE_PER_LCORE(_next_flow);
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
- start_tsc = rte_rdtsc();
-#endif
+ get_start_cycles(&start_tsc);
/* Receive a burst of packets and discard them. */
nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
nb_pkt_per_burst);
+ inc_rx_burst_stats(fs, nb_rx);
fs->rx_packets += nb_rx;
for (i = 0; i < nb_rx; i++)
vlan_tci_outer = ports[fs->tx_port].tx_vlan_id_outer;
tx_offloads = ports[fs->tx_port].dev_conf.txmode.offloads;
- if (tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT)
- ol_flags |= PKT_TX_VLAN_PKT;
- 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;
+ if (tx_offloads & RTE_ETH_TX_OFFLOAD_VLAN_INSERT)
+ ol_flags |= RTE_MBUF_F_TX_VLAN;
+ if (tx_offloads & RTE_ETH_TX_OFFLOAD_QINQ_INSERT)
+ ol_flags |= RTE_MBUF_F_TX_QINQ;
+ if (tx_offloads & RTE_ETH_TX_OFFLOAD_MACSEC_INSERT)
+ ol_flags |= RTE_MBUF_F_TX_MACSEC;
for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
- pkt = rte_mbuf_raw_alloc(mbp);
- if (!pkt)
- break;
-
- pkt->data_len = pkt_size;
- pkt->next = NULL;
-
- /* Initialize Ethernet header. */
- eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
- rte_ether_addr_copy(&cfg_ether_dst, ð_hdr->d_addr);
- rte_ether_addr_copy(&cfg_ether_src, ð_hdr->s_addr);
- eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4);
-
- /* Initialize IP header. */
- ip_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
- memset(ip_hdr, 0, sizeof(*ip_hdr));
- ip_hdr->version_ihl = IP_VHL_DEF;
- ip_hdr->type_of_service = 0;
- ip_hdr->fragment_offset = 0;
- ip_hdr->time_to_live = IP_DEFTTL;
- ip_hdr->next_proto_id = IPPROTO_UDP;
- ip_hdr->packet_id = 0;
- ip_hdr->src_addr = rte_cpu_to_be_32(cfg_ip_src);
- ip_hdr->dst_addr = rte_cpu_to_be_32(cfg_ip_dst +
- next_flow);
- ip_hdr->total_length = RTE_CPU_TO_BE_16(pkt_size -
- sizeof(*eth_hdr));
- ip_hdr->hdr_checksum = ip_sum((unaligned_uint16_t *)ip_hdr,
- sizeof(*ip_hdr));
-
- /* Initialize UDP header. */
- udp_hdr = (struct udp_hdr *)(ip_hdr + 1);
- udp_hdr->src_port = rte_cpu_to_be_16(cfg_udp_src);
- udp_hdr->dst_port = rte_cpu_to_be_16(cfg_udp_dst);
- udp_hdr->dgram_cksum = 0; /* No UDP checksum. */
- udp_hdr->dgram_len = RTE_CPU_TO_BE_16(pkt_size -
- sizeof(*eth_hdr) -
- sizeof(*ip_hdr));
- pkt->nb_segs = 1;
- pkt->pkt_len = pkt_size;
- pkt->ol_flags = ol_flags;
- pkt->vlan_tci = vlan_tci;
- pkt->vlan_tci_outer = vlan_tci_outer;
- pkt->l2_len = sizeof(struct rte_ether_hdr);
- pkt->l3_len = sizeof(struct rte_ipv4_hdr);
- pkts_burst[nb_pkt] = pkt;
-
- next_flow = (next_flow + 1) % cfg_n_flows;
+ if (!nb_pkt || !nb_clones) {
+ nb_clones = nb_pkt_flowgen_clones;
+ /* Logic limitation */
+ if (nb_clones > nb_pkt_per_burst)
+ nb_clones = nb_pkt_per_burst;
+
+ pkt = rte_mbuf_raw_alloc(mbp);
+ if (!pkt)
+ break;
+
+ pkt->data_len = pkt_size;
+ pkt->next = NULL;
+
+ /* Initialize Ethernet header. */
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+ rte_ether_addr_copy(&cfg_ether_dst, ð_hdr->dst_addr);
+ rte_ether_addr_copy(&cfg_ether_src, ð_hdr->src_addr);
+ eth_hdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
+
+ /* Initialize IP header. */
+ ip_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
+ memset(ip_hdr, 0, sizeof(*ip_hdr));
+ ip_hdr->version_ihl = RTE_IPV4_VHL_DEF;
+ ip_hdr->type_of_service = 0;
+ ip_hdr->fragment_offset = 0;
+ ip_hdr->time_to_live = IP_DEFTTL;
+ ip_hdr->next_proto_id = IPPROTO_UDP;
+ ip_hdr->packet_id = 0;
+ ip_hdr->src_addr = rte_cpu_to_be_32(cfg_ip_src);
+ ip_hdr->dst_addr = rte_cpu_to_be_32(cfg_ip_dst +
+ next_flow);
+ ip_hdr->total_length = RTE_CPU_TO_BE_16(pkt_size -
+ sizeof(*eth_hdr));
+ ip_hdr->hdr_checksum = rte_ipv4_cksum(ip_hdr);
+
+ /* Initialize UDP header. */
+ udp_hdr = (struct rte_udp_hdr *)(ip_hdr + 1);
+ udp_hdr->src_port = rte_cpu_to_be_16(cfg_udp_src);
+ udp_hdr->dst_port = rte_cpu_to_be_16(cfg_udp_dst);
+ udp_hdr->dgram_cksum = 0; /* No UDP checksum. */
+ udp_hdr->dgram_len = RTE_CPU_TO_BE_16(pkt_size -
+ sizeof(*eth_hdr) -
+ sizeof(*ip_hdr));
+ pkt->nb_segs = 1;
+ pkt->pkt_len = pkt_size;
+ pkt->ol_flags &= RTE_MBUF_F_EXTERNAL;
+ pkt->ol_flags |= ol_flags;
+ pkt->vlan_tci = vlan_tci;
+ pkt->vlan_tci_outer = vlan_tci_outer;
+ pkt->l2_len = sizeof(struct rte_ether_hdr);
+ pkt->l3_len = sizeof(struct rte_ipv4_hdr);
+ } else {
+ nb_clones--;
+ rte_mbuf_refcnt_update(pkt, 1);
+ }
+ pkts_burst[nb_pkt] = pkt;
+
+ if (++next_flow >= nb_flows_flowgen)
+ next_flow = 0;
}
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_pkt);
/*
* Retry if necessary
*/
- if (unlikely(nb_tx < nb_rx) && fs->retry_enabled) {
+ if (unlikely(nb_tx < nb_pkt) && fs->retry_enabled) {
retry = 0;
- while (nb_tx < nb_rx && retry++ < burst_tx_retry_num) {
+ 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_rx - nb_tx);
+ &pkts_burst[nb_tx], nb_pkt - nb_tx);
}
}
fs->tx_packets += nb_tx;
-#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
- fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
-#endif
- if (unlikely(nb_tx < nb_pkt)) {
+ inc_tx_burst_stats(fs, nb_tx);
+ nb_dropped = nb_pkt - nb_tx;
+ if (unlikely(nb_dropped > 0)) {
/* Back out the flow counter. */
- next_flow -= (nb_pkt - nb_tx);
+ next_flow -= nb_dropped;
while (next_flow < 0)
- next_flow += cfg_n_flows;
+ next_flow += nb_flows_flowgen;
+ fs->fwd_dropped += nb_dropped;
do {
rte_pktmbuf_free(pkts_burst[nb_tx]);
} while (++nb_tx < nb_pkt);
}
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
- end_tsc = rte_rdtsc();
- core_cycles = (end_tsc - start_tsc);
- fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
-#endif
+
+ RTE_PER_LCORE(_next_flow) = next_flow;
+
+ get_end_cycles(fs, start_tsc);
+}
+
+static int
+flowgen_begin(portid_t pi)
+{
+ printf(" number of flows for port %u: %d\n", pi, nb_flows_flowgen);
+ return 0;
}
struct fwd_engine flow_gen_engine = {
.fwd_mode_name = "flowgen",
- .port_fwd_begin = NULL,
+ .port_fwd_begin = flowgen_begin,
.port_fwd_end = NULL,
.packet_fwd = pkt_burst_flow_gen,
};
git.droids-corp.org / dpdk.git / blobdiff