#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
-#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include "testpmd.h"
-/* hardcoded configuration (for now) */
-static unsigned cfg_n_flows = 1024;
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;
#define IP_DEFTTL 64 /* from RFC 1340. */
-/* Use this type to inform GCC that ip_sum violates aliasing rules. */
-typedef unaligned_uint16_t alias_int16_t __attribute__((__may_alias__));
-
-static inline uint16_t
-ip_sum(const alias_int16_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.
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;
uint64_t start_tsc = 0;
- static int next_flow = 0;
+ int next_flow = RTE_PER_LCORE(_next_flow);
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++) {
if (!nb_pkt || !nb_clones) {
/* 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);
+ 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. */
next_flow);
ip_hdr->total_length = RTE_CPU_TO_BE_16(pkt_size -
sizeof(*eth_hdr));
- ip_hdr->hdr_checksum = ip_sum((const alias_int16_t *)ip_hdr,
- sizeof(*ip_hdr));
+ ip_hdr->hdr_checksum = rte_ipv4_cksum(ip_hdr);
/* Initialize UDP header. */
udp_hdr = (struct rte_udp_hdr *)(ip_hdr + 1);
sizeof(*ip_hdr));
pkt->nb_segs = 1;
pkt->pkt_len = pkt_size;
- pkt->ol_flags &= EXT_ATTACHED_MBUF;
+ pkt->ol_flags &= RTE_MBUF_F_EXTERNAL;
pkt->ol_flags |= ol_flags;
pkt->vlan_tci = vlan_tci;
pkt->vlan_tci_outer = vlan_tci_outer;
}
pkts_burst[nb_pkt] = pkt;
- next_flow = (next_flow + 1) % cfg_n_flows;
+ 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;
inc_tx_burst_stats(fs, nb_tx);
- if (unlikely(nb_tx < nb_pkt)) {
+ 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);
}
+ 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,
};