-/*-
- * 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) 2010-2018 Intel Corporation
*/
#include <stdio.h>
#include <rte_malloc.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
-#include <rte_memzone.h>
#include <rte_eal.h>
-#include <rte_per_lcore.h>
#include <rte_launch.h>
#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_per_lcore.h>
#include <rte_branch_prediction.h>
#include <rte_interrupts.h>
-#include <rte_pci.h>
#include <rte_random.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_string_fns.h>
#include <rte_timer.h>
#include <rte_power.h>
-#include <rte_eal.h>
#include <rte_spinlock.h>
+#include <rte_power_empty_poll.h>
+
+#include "perf_core.h"
+#include "main.h"
#define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
#define MIN_ZERO_POLL_COUNT 10
-/* around 100ms at 2 Ghz */
-#define TIMER_RESOLUTION_CYCLES 200000000ULL
/* 100 ms interval */
#define TIMER_NUMBER_PER_SECOND 10
+/* (10ms) */
+#define INTERVALS_PER_SECOND 100
/* 100000 us */
#define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
#define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
*/
#define NB_MBUF RTE_MAX ( \
- (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
+ (nb_ports*nb_rx_queue*nb_rxd + \
nb_ports*nb_lcores*MAX_PKT_BURST + \
- nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
+ nb_ports*n_tx_queue*nb_txd + \
nb_lcores*MEMPOOL_CACHE_SIZE), \
(unsigned)8192)
/*
* Configurable number of RX/TX ring descriptors
*/
-#define RTE_TEST_RX_DESC_DEFAULT 512
-#define RTE_TEST_TX_DESC_DEFAULT 512
+#define RTE_TEST_RX_DESC_DEFAULT 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
+
+/*
+ * These two thresholds were decided on by running the training algorithm on
+ * a 2.5GHz Xeon. These defaults can be overridden by supplying non-zero values
+ * for the med_threshold and high_threshold parameters on the command line.
+ */
+#define EMPTY_POLL_MED_THRESHOLD 350000UL
+#define EMPTY_POLL_HGH_THRESHOLD 580000UL
+
+
+
static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
/* ethernet addresses of ports */
-static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
/* ethernet addresses of ports */
static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
static int promiscuous_on = 0;
/* NUMA is enabled by default. */
static int numa_on = 1;
+/* emptypoll is disabled by default. */
+static bool empty_poll_on;
+static bool empty_poll_train;
+volatile bool empty_poll_stop;
+static struct ep_params *ep_params;
+static struct ep_policy policy;
+static long ep_med_edpi, ep_hgh_edpi;
+
static int parse_ptype; /**< Parse packet type using rx callback, and */
/**< disabled by default */
};
struct lcore_rx_queue {
- uint8_t port_id;
+ uint16_t port_id;
uint8_t queue_id;
enum freq_scale_hint_t freq_up_hint;
uint32_t zero_rx_packet_count;
#define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
-#define MAX_LCORE_PARAMS 1024
-struct lcore_params {
- uint8_t port_id;
- uint8_t queue_id;
- uint8_t lcore_id;
-} __rte_cache_aligned;
-
-static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
+struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
static struct lcore_params lcore_params_array_default[] = {
{0, 0, 2},
{0, 1, 2},
{3, 1, 3},
};
-static struct lcore_params * lcore_params = lcore_params_array_default;
-static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
+struct lcore_params *lcore_params = lcore_params_array_default;
+uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
sizeof(lcore_params_array_default[0]);
static struct rte_eth_conf port_conf = {
.rxmode = {
.mq_mode = ETH_MQ_RX_RSS,
- .max_rx_pkt_len = ETHER_MAX_LEN,
+ .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
.split_hdr_size = 0,
- .header_split = 0, /**< Header Split disabled */
- .hw_ip_checksum = 1, /**< IP checksum offload enabled */
- .hw_vlan_filter = 0, /**< VLAN filtering disabled */
- .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
- .hw_strip_crc = 1, /**< CRC stripped by hardware */
+ .offloads = DEV_RX_OFFLOAD_CHECKSUM,
},
.rx_adv_conf = {
.rss_conf = {
.mq_mode = ETH_MQ_TX_NONE,
},
.intr_conf = {
- .lsc = 1,
.rxq = 1,
},
};
};
static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
- {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
- {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
- {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
- {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
+ {{RTE_IPv4(100,10,0,1), RTE_IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
+ {{RTE_IPv4(100,20,0,2), RTE_IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
+ {{RTE_IPv4(100,30,0,3), RTE_IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
+ {{RTE_IPv4(100,40,0,4), RTE_IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
};
static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
#define IPV6_L3FWD_NUM_ROUTES \
(sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
-static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
-static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
};
static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
- {IPv4(1,1,1,0), 24, 0},
- {IPv4(2,1,1,0), 24, 1},
- {IPv4(3,1,1,0), 24, 2},
- {IPv4(4,1,1,0), 24, 3},
- {IPv4(5,1,1,0), 24, 4},
- {IPv4(6,1,1,0), 24, 5},
- {IPv4(7,1,1,0), 24, 6},
- {IPv4(8,1,1,0), 24, 7},
+ {RTE_IPv4(1,1,1,0), 24, 0},
+ {RTE_IPv4(2,1,1,0), 24, 1},
+ {RTE_IPv4(3,1,1,0), 24, 2},
+ {RTE_IPv4(4,1,1,0), 24, 3},
+ {RTE_IPv4(5,1,1,0), 24, 4},
+ {RTE_IPv4(6,1,1,0), 24, 5},
+ {RTE_IPv4(7,1,1,0), 24, 6},
+ {RTE_IPv4(8,1,1,0), 24, 7},
};
#define IPV4_L3FWD_NUM_ROUTES \
static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
- unsigned lcore_id, uint8_t port_id, uint16_t queue_id);
+ unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
+
+
+/*
+ * These defaults are using the max frequency index (1), a medium index (9)
+ * and a typical low frequency index (14). These can be adjusted to use
+ * different indexes using the relevant command line parameters.
+ */
+static uint8_t freq_tlb[] = {14, 9, 1};
+
+static int is_done(void)
+{
+ return empty_poll_stop;
+}
/* exit signal handler */
static void
signal_exit_now(int sigtype)
{
unsigned lcore_id;
- unsigned int portid, nb_ports;
+ unsigned int portid;
int ret;
if (sigtype == SIGINT) {
+ if (empty_poll_on)
+ empty_poll_stop = true;
+
+
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
if (rte_lcore_is_enabled(lcore_id) == 0)
continue;
"core%u\n", lcore_id);
}
- nb_ports = rte_eth_dev_count();
- for (portid = 0; portid < nb_ports; portid++) {
- if ((enabled_port_mask & (1 << portid)) == 0)
- continue;
+ if (!empty_poll_on) {
+ RTE_ETH_FOREACH_DEV(portid) {
+ if ((enabled_port_mask & (1 << portid)) == 0)
+ continue;
- rte_eth_dev_stop(portid);
- rte_eth_dev_close(portid);
+ rte_eth_dev_stop(portid);
+ rte_eth_dev_close(portid);
+ }
}
}
- rte_exit(EXIT_SUCCESS, "User forced exit\n");
+ if (!empty_poll_on)
+ rte_exit(EXIT_SUCCESS, "User forced exit\n");
}
/* Freqency scale down timer callback */
/* Enqueue a single packet, and send burst if queue is filled */
static inline int
-send_single_packet(struct rte_mbuf *m, uint8_t port)
+send_single_packet(struct rte_mbuf *m, uint16_t port)
{
uint32_t lcore_id;
struct lcore_conf *qconf;
#ifdef DO_RFC_1812_CHECKS
static inline int
-is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
+is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
{
/* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
/*
* 1. The packet length reported by the Link Layer must be large
* enough to hold the minimum length legal IP datagram (20 bytes).
*/
- if (link_len < sizeof(struct ipv4_hdr))
+ if (link_len < sizeof(struct rte_ipv4_hdr))
return -1;
/* 2. The IP checksum must be correct. */
* datagram header, whose length is specified in the IP header length
* field.
*/
- if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
+ if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
return -5;
return 0;
key.port_dst, key.port_src, key.proto);
}
-static inline uint8_t
-get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
+static inline uint16_t
+get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
lookup_struct_t * ipv4_l3fwd_lookup_struct)
{
struct ipv4_5tuple key;
switch (ipv4_hdr->next_proto_id) {
case IPPROTO_TCP:
tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
- sizeof(struct ipv4_hdr));
+ sizeof(struct rte_ipv4_hdr));
key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
key.port_src = rte_be_to_cpu_16(tcp->src_port);
break;
case IPPROTO_UDP:
udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
- sizeof(struct ipv4_hdr));
+ sizeof(struct rte_ipv4_hdr));
key.port_dst = rte_be_to_cpu_16(udp->dst_port);
key.port_src = rte_be_to_cpu_16(udp->src_port);
break;
/* Find destination port */
ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
+ return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
}
-static inline uint8_t
-get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid,
+static inline uint16_t
+get_ipv6_dst_port(struct rte_ipv6_hdr *ipv6_hdr, uint16_t portid,
lookup_struct_t *ipv6_l3fwd_lookup_struct)
{
struct ipv6_5tuple key;
switch (ipv6_hdr->proto) {
case IPPROTO_TCP:
tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
- sizeof(struct ipv6_hdr));
+ sizeof(struct rte_ipv6_hdr));
key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
key.port_src = rte_be_to_cpu_16(tcp->src_port);
break;
case IPPROTO_UDP:
udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
- sizeof(struct ipv6_hdr));
+ sizeof(struct rte_ipv6_hdr));
key.port_dst = rte_be_to_cpu_16(udp->dst_port);
key.port_src = rte_be_to_cpu_16(udp->src_port);
break;
/* Find destination port */
ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
- return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
+ return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
}
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
-static inline uint8_t
-get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
+static inline uint16_t
+get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
lookup_struct_t *ipv4_l3fwd_lookup_struct)
{
uint32_t next_hop;
- return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
+ return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
next_hop : portid);
}
static inline void
parse_ptype_one(struct rte_mbuf *m)
{
- struct ether_hdr *eth_hdr;
+ struct rte_ether_hdr *eth_hdr;
uint32_t packet_type = RTE_PTYPE_UNKNOWN;
uint16_t ether_type;
- eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
ether_type = eth_hdr->ether_type;
- if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+ if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4))
packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
- else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
+ else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv6))
packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
m->packet_type = packet_type;
}
static uint16_t
-cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
struct rte_mbuf *pkts[], uint16_t nb_pkts,
uint16_t max_pkts __rte_unused,
void *user_param __rte_unused)
}
static int
-add_cb_parse_ptype(uint8_t portid, uint16_t queueid)
+add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
{
printf("Port %d: softly parse packet type info\n", portid);
if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
}
static inline void
-l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
+l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
struct lcore_conf *qconf)
{
- struct ether_hdr *eth_hdr;
- struct ipv4_hdr *ipv4_hdr;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
void *d_addr_bytes;
- uint8_t dst_port;
+ uint16_t dst_port;
- eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
/* Handle IPv4 headers.*/
ipv4_hdr =
- rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
- sizeof(struct ether_hdr));
+ rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
+ sizeof(struct rte_ether_hdr));
#ifdef DO_RFC_1812_CHECKS
/* Check to make sure the packet is valid (RFC1812) */
#endif
/* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+ rte_ether_addr_copy(&ports_eth_addr[dst_port],
+ ð_hdr->s_addr);
send_single_packet(m, dst_port);
} else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
/* Handle IPv6 headers.*/
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
- struct ipv6_hdr *ipv6_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr;
ipv6_hdr =
- rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
- sizeof(struct ether_hdr));
+ rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
+ sizeof(struct rte_ether_hdr));
dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
qconf->ipv6_lookup_struct);
0x000000000002 + ((uint64_t)dst_port << 40);
/* src addr */
- ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+ rte_ether_addr_copy(&ports_eth_addr[dst_port],
+ ð_hdr->s_addr);
send_single_packet(m, dst_port);
#else
*/
else
return SUSPEND_THRESHOLD;
-
- return 0;
}
static inline enum freq_scale_hint_t
power_freq_scaleup_heuristic(unsigned lcore_id,
- uint8_t port_id,
+ uint16_t port_id,
uint16_t queue_id)
{
+ uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
/**
* HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
* per iteration
#define FREQ_UP_TREND2_ACC 100
#define FREQ_UP_THRESHOLD 10000
- if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
- FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
+ if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
stats[lcore_id].trend = 0;
return FREQ_HIGHEST;
- } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
- FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
+ } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
- else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
- FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
+ else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
{
struct rte_epoll_event event[num];
int n, i;
- uint8_t port_id, queue_id;
+ uint16_t port_id;
+ uint8_t queue_id;
void *data;
RTE_LOG(INFO, L3FWD_POWER,
{
int i;
struct lcore_rx_queue *rx_queue;
- uint8_t port_id, queue_id;
+ uint8_t queue_id;
+ uint16_t port_id;
for (i = 0; i < qconf->n_rx_queue; ++i) {
rx_queue = &(qconf->rx_queue_list[i]);
static int event_register(struct lcore_conf *qconf)
{
struct lcore_rx_queue *rx_queue;
- uint8_t portid, queueid;
+ uint8_t queueid;
+ uint16_t portid;
uint32_t data;
int ret;
int i;
return 0;
}
+/* main processing loop */
+static int
+main_empty_poll_loop(__attribute__((unused)) void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ unsigned int lcore_id;
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
+ int i, j, nb_rx;
+ uint8_t queueid;
+ uint16_t portid;
+ struct lcore_conf *qconf;
+ struct lcore_rx_queue *rx_queue;
+ const uint64_t drain_tsc =
+ (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+ prev_tsc = 0;
+
+ lcore_id = rte_lcore_id();
+ qconf = &lcore_conf[lcore_id];
+
+ if (qconf->n_rx_queue == 0) {
+ RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
+ lcore_id);
+ return 0;
+ }
+
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
+ "rxqueueid=%hhu\n", lcore_id, portid, queueid);
+ }
+
+ while (!is_done()) {
+ stats[lcore_id].nb_iteration_looped++;
+
+ cur_tsc = rte_rdtsc();
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+ for (i = 0; i < qconf->n_tx_port; ++i) {
+ portid = qconf->tx_port_id[i];
+ rte_eth_tx_buffer_flush(portid,
+ qconf->tx_queue_id[portid],
+ qconf->tx_buffer[portid]);
+ }
+ prev_tsc = cur_tsc;
+ }
+
+ /*
+ * Read packet from RX queues
+ */
+ for (i = 0; i < qconf->n_rx_queue; ++i) {
+ rx_queue = &(qconf->rx_queue_list[i]);
+ rx_queue->idle_hint = 0;
+ portid = rx_queue->port_id;
+ queueid = rx_queue->queue_id;
+
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+
+ stats[lcore_id].nb_rx_processed += nb_rx;
+
+ if (nb_rx == 0) {
+
+ rte_power_empty_poll_stat_update(lcore_id);
+
+ continue;
+ } else {
+ rte_power_poll_stat_update(lcore_id, nb_rx);
+ }
+
+
+ /* Prefetch first packets */
+ for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(
+ pkts_burst[j], void *));
+ }
+
+ /* Prefetch and forward already prefetched packets */
+ for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+ j + PREFETCH_OFFSET],
+ void *));
+ l3fwd_simple_forward(pkts_burst[j], portid,
+ qconf);
+ }
+
+ /* Forward remaining prefetched packets */
+ for (; j < nb_rx; j++) {
+ l3fwd_simple_forward(pkts_burst[j], portid,
+ qconf);
+ }
+
+ }
+
+ }
+
+ return 0;
+}
/* main processing loop */
static int
main_loop(__attribute__((unused)) void *dummy)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
unsigned lcore_id;
- uint64_t prev_tsc, diff_tsc, cur_tsc;
+ uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
int i, j, nb_rx;
- uint8_t portid, queueid;
+ uint8_t queueid;
+ uint16_t portid;
struct lcore_conf *qconf;
struct lcore_rx_queue *rx_queue;
enum freq_scale_hint_t lcore_scaleup_hint;
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
prev_tsc = 0;
+ hz = rte_get_timer_hz();
+ tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
lcore_id = rte_lcore_id();
qconf = &lcore_conf[lcore_id];
for (i = 0; i < qconf->n_rx_queue; i++) {
portid = qconf->rx_queue_list[i].port_id;
queueid = qconf->rx_queue_list[i].queue_id;
- RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
+ RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
"rxqueueid=%hhu\n", lcore_id, portid, queueid);
}
}
diff_tsc_power = cur_tsc_power - prev_tsc_power;
- if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
+ if (diff_tsc_power > tim_res_tsc) {
rte_timer_manage();
prev_tsc_power = cur_tsc_power;
}
turn_on_intr(qconf);
sleep_until_rx_interrupt(
qconf->n_rx_queue);
+ /**
+ * start receiving packets immediately
+ */
+ goto start_rx;
}
- /* start receiving packets immediately */
- goto start_rx;
}
stats[lcore_id].sleep_time += lcore_idle_hint;
}
}
static int
-check_port_config(const unsigned nb_ports)
+check_port_config(void)
{
unsigned portid;
uint16_t i;
portid);
return -1;
}
- if (portid >= nb_ports) {
+ if (!rte_eth_dev_is_valid_port(portid)) {
printf("port %u is not present on the board\n",
portid);
return -1;
}
static uint8_t
-get_port_n_rx_queues(const uint8_t port)
+get_port_n_rx_queues(const uint16_t port)
{
int queue = -1;
uint16_t i;
{
printf ("%s [EAL options] -- -p PORTMASK -P"
" [--config (port,queue,lcore)[,(port,queue,lcore]]"
+ " [--high-perf-cores CORELIST"
+ " [--perf-config (port,queue,hi_perf,lcore_index)[,(port,queue,hi_perf,lcore_index]]"
" [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
" -p PORTMASK: hexadecimal bitmask of ports to configure\n"
" -P : enable promiscuous mode\n"
" --config (port,queue,lcore): rx queues configuration\n"
+ " --high-perf-cores CORELIST: list of high performance cores\n"
+ " --perf-config: similar as config, cores specified as indices"
+ " for bins containing high or regular performance cores\n"
" --no-numa: optional, disable numa awareness\n"
" --enable-jumbo: enable jumbo frame"
" which max packet len is PKTLEN in decimal (64-9600)\n"
- " --parse-ptype: parse packet type by software\n",
+ " --parse-ptype: parse packet type by software\n"
+ " --empty-poll: enable empty poll detection"
+ " follow (training_flag, high_threshold, med_threshold)\n",
prgname);
}
return 0;
}
+static int
+parse_ep_config(const char *q_arg)
+{
+ char s[256];
+ const char *p = q_arg;
+ char *end;
+ int num_arg;
+
+ char *str_fld[3];
+
+ int training_flag;
+ int med_edpi;
+ int hgh_edpi;
+
+ ep_med_edpi = EMPTY_POLL_MED_THRESHOLD;
+ ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD;
+
+ strlcpy(s, p, sizeof(s));
+
+ num_arg = rte_strsplit(s, sizeof(s), str_fld, 3, ',');
+
+ empty_poll_train = false;
+
+ if (num_arg == 0)
+ return 0;
+
+ if (num_arg == 3) {
+
+ training_flag = strtoul(str_fld[0], &end, 0);
+ med_edpi = strtoul(str_fld[1], &end, 0);
+ hgh_edpi = strtoul(str_fld[2], &end, 0);
+
+ if (training_flag == 1)
+ empty_poll_train = true;
+
+ if (med_edpi > 0)
+ ep_med_edpi = med_edpi;
+
+ if (med_edpi > 0)
+ ep_hgh_edpi = hgh_edpi;
+ } else {
+
+ return -1;
+ }
+
+ return 0;
+
+}
#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
/* Parse the argument given in the command line of the application */
int opt, ret;
char **argvopt;
int option_index;
+ uint32_t limit;
char *prgname = argv[0];
static struct option lgopts[] = {
{"config", 1, 0, 0},
+ {"perf-config", 1, 0, 0},
+ {"high-perf-cores", 1, 0, 0},
{"no-numa", 0, 0, 0},
{"enable-jumbo", 0, 0, 0},
+ {"empty-poll", 1, 0, 0},
{CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
{NULL, 0, 0, 0}
};
argvopt = argv;
- while ((opt = getopt_long(argc, argvopt, "p:P",
+ while ((opt = getopt_long(argc, argvopt, "p:l:m:h:P",
lgopts, &option_index)) != EOF) {
switch (opt) {
printf("Promiscuous mode selected\n");
promiscuous_on = 1;
break;
-
+ case 'l':
+ limit = parse_max_pkt_len(optarg);
+ freq_tlb[LOW] = limit;
+ break;
+ case 'm':
+ limit = parse_max_pkt_len(optarg);
+ freq_tlb[MED] = limit;
+ break;
+ case 'h':
+ limit = parse_max_pkt_len(optarg);
+ freq_tlb[HGH] = limit;
+ break;
/* long options */
case 0:
if (!strncmp(lgopts[option_index].name, "config", 6)) {
}
}
+ if (!strncmp(lgopts[option_index].name,
+ "perf-config", 11)) {
+ ret = parse_perf_config(optarg);
+ if (ret) {
+ printf("invalid perf-config\n");
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
+ if (!strncmp(lgopts[option_index].name,
+ "high-perf-cores", 15)) {
+ ret = parse_perf_core_list(optarg);
+ if (ret) {
+ printf("invalid high-perf-cores\n");
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
if (!strncmp(lgopts[option_index].name,
"no-numa", 7)) {
printf("numa is disabled \n");
numa_on = 0;
}
+ if (!strncmp(lgopts[option_index].name,
+ "empty-poll", 10)) {
+ printf("empty-poll is enabled\n");
+ empty_poll_on = true;
+ ret = parse_ep_config(optarg);
+
+ if (ret) {
+ printf("invalid empty poll config\n");
+ print_usage(prgname);
+ return -1;
+ }
+
+ }
+
if (!strncmp(lgopts[option_index].name,
"enable-jumbo", 12)) {
struct option lenopts =
0, 0};
printf("jumbo frame is enabled \n");
- port_conf.rxmode.jumbo_frame = 1;
+ port_conf.rxmode.offloads |=
+ DEV_RX_OFFLOAD_JUMBO_FRAME;
+ port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MULTI_SEGS;
/**
* if no max-pkt-len set, use the default value
- * ETHER_MAX_LEN
+ * RTE_ETHER_MAX_LEN
*/
if (0 == getopt_long(argc, argvopt, "",
&lenopts, &option_index)) {
}
static void
-print_ethaddr(const char *name, const struct ether_addr *eth_addr)
+print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
{
- char buf[ETHER_ADDR_FMT_SIZE];
- ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+ char buf[RTE_ETHER_ADDR_FMT_SIZE];
+ rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
printf("%s%s", name, buf);
}
/* Check the link status of all ports in up to 9s, and print them finally */
static void
-check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+check_all_ports_link_status(uint32_t port_mask)
{
#define CHECK_INTERVAL 100 /* 100ms */
#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
- uint8_t portid, count, all_ports_up, print_flag = 0;
+ uint8_t count, all_ports_up, print_flag = 0;
+ uint16_t portid;
struct rte_eth_link link;
printf("\nChecking link status");
fflush(stdout);
for (count = 0; count <= MAX_CHECK_TIME; count++) {
all_ports_up = 1;
- for (portid = 0; portid < port_num; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
if ((port_mask & (1 << portid)) == 0)
continue;
memset(&link, 0, sizeof(link));
}
}
-static int check_ptype(uint8_t portid)
+static int check_ptype(uint16_t portid)
{
int i, ret;
int ptype_l3_ipv4 = 0;
}
+static int
+init_power_library(void)
+{
+ int ret = 0, lcore_id;
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+ if (rte_lcore_is_enabled(lcore_id)) {
+ /* init power management library */
+ ret = rte_power_init(lcore_id);
+ if (ret)
+ RTE_LOG(ERR, POWER,
+ "Library initialization failed on core %u\n",
+ lcore_id);
+ }
+ }
+ return ret;
+}
+static void
+empty_poll_setup_timer(void)
+{
+ int lcore_id = rte_lcore_id();
+ uint64_t hz = rte_get_timer_hz();
+
+ struct ep_params *ep_ptr = ep_params;
+
+ ep_ptr->interval_ticks = hz / INTERVALS_PER_SECOND;
+
+ rte_timer_reset_sync(&ep_ptr->timer0,
+ ep_ptr->interval_ticks,
+ PERIODICAL,
+ lcore_id,
+ rte_empty_poll_detection,
+ (void *)ep_ptr);
+
+}
+static int
+launch_timer(unsigned int lcore_id)
+{
+ int64_t prev_tsc = 0, cur_tsc, diff_tsc, cycles_10ms;
+
+ RTE_SET_USED(lcore_id);
+
+
+ if (rte_get_master_lcore() != lcore_id) {
+ rte_panic("timer on lcore:%d which is not master core:%d\n",
+ lcore_id,
+ rte_get_master_lcore());
+ }
+
+ RTE_LOG(INFO, POWER, "Bring up the Timer\n");
+
+ empty_poll_setup_timer();
+
+ cycles_10ms = rte_get_timer_hz() / 100;
+
+ while (!is_done()) {
+ cur_tsc = rte_rdtsc();
+ diff_tsc = cur_tsc - prev_tsc;
+ if (diff_tsc > cycles_10ms) {
+ rte_timer_manage();
+ prev_tsc = cur_tsc;
+ cycles_10ms = rte_get_timer_hz() / 100;
+ }
+ }
+
+ RTE_LOG(INFO, POWER, "Timer_subsystem is done\n");
+
+ return 0;
+}
+
+
int
main(int argc, char **argv)
{
struct rte_eth_dev_info dev_info;
struct rte_eth_txconf *txconf;
int ret;
- unsigned nb_ports;
+ uint16_t nb_ports;
uint16_t queueid;
unsigned lcore_id;
uint64_t hz;
uint32_t n_tx_queue, nb_lcores;
uint32_t dev_rxq_num, dev_txq_num;
- uint8_t portid, nb_rx_queue, queue, socketid;
- uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
+ uint8_t nb_rx_queue, queue, socketid;
+ uint16_t portid;
/* catch SIGINT and restore cpufreq governor to ondemand */
signal(SIGINT, signal_exit_now);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
+ if (init_power_library())
+ RTE_LOG(ERR, L3FWD_POWER, "init_power_library failed\n");
+
+ if (update_lcore_params() < 0)
+ rte_exit(EXIT_FAILURE, "update_lcore_params failed\n");
+
if (check_lcore_params() < 0)
rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
if (ret < 0)
rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
- nb_ports = rte_eth_dev_count();
+ nb_ports = rte_eth_dev_count_avail();
- if (check_port_config(nb_ports) < 0)
+ if (check_port_config() < 0)
rte_exit(EXIT_FAILURE, "check_port_config failed\n");
nb_lcores = rte_lcore_count();
/* initialize all ports */
- for (portid = 0; portid < nb_ports; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
+ struct rte_eth_conf local_port_conf = port_conf;
+
/* skip ports that are not enabled */
if ((enabled_port_mask & (1 << portid)) == 0) {
printf("\nSkipping disabled port %d\n", portid);
nb_rx_queue, (unsigned)n_tx_queue );
/* If number of Rx queue is 0, no need to enable Rx interrupt */
if (nb_rx_queue == 0)
- port_conf.intr_conf.rxq = 0;
+ local_port_conf.intr_conf.rxq = 0;
+ rte_eth_dev_info_get(portid, &dev_info);
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ local_port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+ dev_info.flow_type_rss_offloads;
+ if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+ port_conf.rx_adv_conf.rss_conf.rss_hf) {
+ printf("Port %u modified RSS hash function based on hardware support,"
+ "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+ portid,
+ port_conf.rx_adv_conf.rss_conf.rss_hf,
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+ }
+
ret = rte_eth_dev_configure(portid, nb_rx_queue,
- (uint16_t)n_tx_queue, &port_conf);
- /* Revert to original value */
- port_conf.intr_conf.rxq = org_rxq_intr;
+ (uint16_t)n_tx_queue, &local_port_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Cannot configure device: "
"err=%d, port=%d\n", ret, portid);
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+ &nb_txd);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot adjust number of descriptors: err=%d, port=%d\n",
+ ret, portid);
+
rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
print_ethaddr(" Address:", &ports_eth_addr[portid]);
printf(", ");
rte_eth_dev_socket_id(portid));
if (qconf->tx_buffer[portid] == NULL)
rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
- (unsigned) portid);
+ portid);
rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
}
printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
fflush(stdout);
- rte_eth_dev_info_get(portid, &dev_info);
txconf = &dev_info.default_txconf;
- if (port_conf.rxmode.jumbo_frame)
- txconf->txq_flags = 0;
+ txconf->offloads = local_port_conf.txmode.offloads;
ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
socketid, txconf);
if (ret < 0)
if (rte_lcore_is_enabled(lcore_id) == 0)
continue;
- /* init power management library */
- ret = rte_power_init(lcore_id);
- if (ret)
- RTE_LOG(ERR, POWER,
- "Library initialization failed on core %u\n", lcore_id);
-
- /* init timer structures for each enabled lcore */
- rte_timer_init(&power_timers[lcore_id]);
- hz = rte_get_timer_hz();
- rte_timer_reset(&power_timers[lcore_id],
- hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
- power_timer_cb, NULL);
-
+ if (empty_poll_on == false) {
+ /* init timer structures for each enabled lcore */
+ rte_timer_init(&power_timers[lcore_id]);
+ hz = rte_get_timer_hz();
+ rte_timer_reset(&power_timers[lcore_id],
+ hz/TIMER_NUMBER_PER_SECOND,
+ SINGLE, lcore_id,
+ power_timer_cb, NULL);
+ }
qconf = &lcore_conf[lcore_id];
printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
fflush(stdout);
/* init RX queues */
for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
+ struct rte_eth_rxconf rxq_conf;
+ struct rte_eth_dev *dev;
+ struct rte_eth_conf *conf;
+
portid = qconf->rx_queue_list[queue].port_id;
queueid = qconf->rx_queue_list[queue].queue_id;
+ dev = &rte_eth_devices[portid];
+ conf = &dev->data->dev_conf;
if (numa_on)
socketid = \
printf("rxq=%d,%d,%d ", portid, queueid, socketid);
fflush(stdout);
+ rte_eth_dev_info_get(portid, &dev_info);
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = conf->rxmode.offloads;
ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
- socketid, NULL,
+ socketid, &rxq_conf,
pktmbuf_pool[socketid]);
if (ret < 0)
rte_exit(EXIT_FAILURE,
printf("\n");
/* start ports */
- for (portid = 0; portid < nb_ports; portid++) {
+ RTE_ETH_FOREACH_DEV(portid) {
if ((enabled_port_mask & (1 << portid)) == 0) {
continue;
}
rte_spinlock_init(&(locks[portid]));
}
- check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
+ check_all_ports_link_status(enabled_port_mask);
+
+ if (empty_poll_on == true) {
+
+ if (empty_poll_train) {
+ policy.state = TRAINING;
+ } else {
+ policy.state = MED_NORMAL;
+ policy.med_base_edpi = ep_med_edpi;
+ policy.hgh_base_edpi = ep_hgh_edpi;
+ }
+
+ ret = rte_power_empty_poll_stat_init(&ep_params,
+ freq_tlb,
+ &policy);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "empty poll init failed");
+ }
+
/* launch per-lcore init on every lcore */
- rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
+ if (empty_poll_on == false) {
+ rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
+ } else {
+ empty_poll_stop = false;
+ rte_eal_mp_remote_launch(main_empty_poll_loop, NULL,
+ SKIP_MASTER);
+ }
+
+ if (empty_poll_on == true)
+ launch_timer(rte_lcore_id());
+
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
if (rte_eal_wait_lcore(lcore_id) < 0)
return -1;
}
+ if (empty_poll_on)
+ rte_power_empty_poll_stat_free();
+
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff