X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl3fwd-power%2Fmain.c;h=887c6eae3fa71e78de13c00a64e871d04662e45f;hb=68629be3a622ee53cd5b40c8447ae9b083ff3f6c;hp=39624993b08149de2bae57b49d26762fccb8a226;hpb=b563c1421282a1ec6038e5d26b4cd4fcbb01ada1;p=dpdk.git diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c index 39624993b0..887c6eae3f 100644 --- a/examples/l3fwd-power/main.c +++ b/examples/l3fwd-power/main.c @@ -249,22 +249,26 @@ uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default); static struct rte_eth_conf port_conf = { .rxmode = { - .mq_mode = ETH_MQ_RX_RSS, + .mq_mode = RTE_ETH_MQ_RX_RSS, .split_hdr_size = 0, - .offloads = DEV_RX_OFFLOAD_CHECKSUM, + .offloads = RTE_ETH_RX_OFFLOAD_CHECKSUM, }, .rx_adv_conf = { .rss_conf = { .rss_key = NULL, - .rss_hf = ETH_RSS_UDP, + .rss_hf = RTE_ETH_RSS_UDP, }, }, .txmode = { - .mq_mode = ETH_MQ_TX_NONE, + .mq_mode = RTE_ETH_MQ_TX_NONE, } }; static uint32_t max_pkt_len; +static uint32_t max_empty_polls = 512; +static uint32_t pause_duration = 1; +static uint32_t scale_freq_min; +static uint32_t scale_freq_max; static struct rte_mempool * pktmbuf_pool[NB_SOCKETS]; @@ -433,7 +437,7 @@ signal_exit_now(int sigtype) } -/* Freqency scale down timer callback */ +/* Frequency scale down timer callback */ static void power_timer_cb(__rte_unused struct rte_timer *tim, __rte_unused void *arg) @@ -505,7 +509,15 @@ is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len) return -1; /* 2. The IP checksum must be correct. */ - /* this is checked in H/W */ + /* if this is not checked in H/W, check it. */ + if ((port_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_IPV4_CKSUM) == 0) { + uint16_t actual_cksum, expected_cksum; + actual_cksum = pkt->hdr_checksum; + pkt->hdr_checksum = 0; + expected_cksum = rte_ipv4_cksum(pkt); + if (actual_cksum != expected_cksum) + return -2; + } /* * 3. The IP version number must be 4. If the version number is not 4 @@ -1618,10 +1630,32 @@ print_usage(const char *prgname) " empty polls, full polls, and core busyness to telemetry\n" " --interrupt-only: enable interrupt-only mode\n" " --pmd-mgmt MODE: enable PMD power management mode. " - "Currently supported modes: baseline, monitor, pause, scale\n", + "Currently supported modes: baseline, monitor, pause, scale\n" + " --max-empty-polls MAX_EMPTY_POLLS: number of empty polls to" + " wait before entering sleep state\n" + " --pause-duration DURATION: set the duration, in microseconds," + " of the pause callback\n" + " --scale-freq-min FREQ_MIN: set minimum frequency for scaling mode for" + " all application lcores (FREQ_MIN must be in kHz, in increments of 100MHz)\n" + " --scale-freq-max FREQ_MAX: set maximum frequency for scaling mode for" + " all application lcores (FREQ_MAX must be in kHz, in increments of 100MHz)\n", prgname); } +static int +parse_int(const char *opt) +{ + char *end = NULL; + unsigned long val; + + /* parse integer string */ + val = strtoul(opt, &end, 10); + if ((opt[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + return val; +} + static int parse_max_pkt_len(const char *pktlen) { char *end = NULL; @@ -1795,6 +1829,10 @@ parse_ep_config(const char *q_arg) #define CMD_LINE_OPT_TELEMETRY "telemetry" #define CMD_LINE_OPT_PMD_MGMT "pmd-mgmt" #define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len" +#define CMD_LINE_OPT_MAX_EMPTY_POLLS "max-empty-polls" +#define CMD_LINE_OPT_PAUSE_DURATION "pause-duration" +#define CMD_LINE_OPT_SCALE_FREQ_MIN "scale-freq-min" +#define CMD_LINE_OPT_SCALE_FREQ_MAX "scale-freq-max" /* Parse the argument given in the command line of the application */ static int @@ -1817,6 +1855,10 @@ parse_args(int argc, char **argv) {CMD_LINE_OPT_TELEMETRY, 0, 0, 0}, {CMD_LINE_OPT_INTERRUPT_ONLY, 0, 0, 0}, {CMD_LINE_OPT_PMD_MGMT, 1, 0, 0}, + {CMD_LINE_OPT_MAX_EMPTY_POLLS, 1, 0, 0}, + {CMD_LINE_OPT_PAUSE_DURATION, 1, 0, 0}, + {CMD_LINE_OPT_SCALE_FREQ_MIN, 1, 0, 0}, + {CMD_LINE_OPT_SCALE_FREQ_MAX, 1, 0, 0}, {NULL, 0, 0, 0} }; @@ -1967,6 +2009,34 @@ parse_args(int argc, char **argv) parse_ptype = 1; } + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_MAX_EMPTY_POLLS, + sizeof(CMD_LINE_OPT_MAX_EMPTY_POLLS))) { + printf("Maximum empty polls configured\n"); + max_empty_polls = parse_int(optarg); + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_PAUSE_DURATION, + sizeof(CMD_LINE_OPT_PAUSE_DURATION))) { + printf("Pause duration configured\n"); + pause_duration = parse_int(optarg); + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_SCALE_FREQ_MIN, + sizeof(CMD_LINE_OPT_SCALE_FREQ_MIN))) { + printf("Scaling frequency minimum configured\n"); + scale_freq_min = parse_int(optarg); + } + + if (!strncmp(lgopts[option_index].name, + CMD_LINE_OPT_SCALE_FREQ_MAX, + sizeof(CMD_LINE_OPT_SCALE_FREQ_MAX))) { + printf("Scaling frequency maximum configured\n"); + scale_freq_max = parse_int(optarg); + } + break; default: @@ -2196,7 +2266,7 @@ check_all_ports_link_status(uint32_t port_mask) continue; } /* clear all_ports_up flag if any link down */ - if (link.link_status == ETH_LINK_DOWN) { + if (link.link_status == RTE_ETH_LINK_DOWN) { all_ports_up = 0; break; } @@ -2350,7 +2420,7 @@ update_telemetry(__rte_unused struct rte_timer *tim, ret = rte_metrics_update_values(RTE_METRICS_GLOBAL, telstats_index, values, RTE_DIM(values)); if (ret < 0) - RTE_LOG(WARNING, POWER, "failed to update metrcis\n"); + RTE_LOG(WARNING, POWER, "failed to update metrics\n"); } static int @@ -2509,7 +2579,7 @@ config_port_max_pkt_len(struct rte_eth_conf *conf, conf->rxmode.mtu = max_pkt_len - overhead_len; if (conf->rxmode.mtu > RTE_ETHER_MTU) - conf->txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS; + conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS; return 0; } @@ -2532,9 +2602,6 @@ main(int argc, char **argv) uint16_t portid; const char *ptr_strings[NUM_TELSTATS]; - /* catch SIGINT and restore cpufreq governor to ondemand */ - signal(SIGINT, signal_exit_now); - /* init EAL */ ret = rte_eal_init(argc, argv); if (ret < 0) @@ -2542,6 +2609,9 @@ main(int argc, char **argv) argc -= ret; argv += ret; + /* catch SIGINT and restore cpufreq governor to ondemand */ + signal(SIGINT, signal_exit_now); + /* init RTE timer library to be used late */ rte_timer_subsystem_init(); @@ -2637,9 +2707,9 @@ main(int argc, char **argv) "Invalid max packet length: %u (port %u)\n", max_pkt_len, portid); - if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) + if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE) local_port_conf.txmode.offloads |= - DEV_TX_OFFLOAD_MBUF_FAST_FREE; + RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE; local_port_conf.rx_adv_conf.rss_conf.rss_hf &= dev_info.flow_type_rss_offloads; @@ -2652,6 +2722,11 @@ main(int argc, char **argv) local_port_conf.rx_adv_conf.rss_conf.rss_hf); } + if (local_port_conf.rx_adv_conf.rss_conf.rss_hf == 0) + local_port_conf.rxmode.mq_mode = RTE_ETH_MQ_RX_NONE; + local_port_conf.rxmode.offloads &= dev_info.rx_offload_capa; + port_conf.rxmode.offloads = local_port_conf.rxmode.offloads; + ret = rte_eth_dev_configure(portid, nb_rx_queue, (uint16_t)n_tx_queue, &local_port_conf); if (ret < 0) @@ -2788,6 +2863,28 @@ main(int argc, char **argv) } if (app_mode == APP_MODE_PMD_MGMT && !baseline_enabled) { + /* Set power_pmd_mgmt configs passed by user */ + rte_power_pmd_mgmt_set_emptypoll_max(max_empty_polls); + ret = rte_power_pmd_mgmt_set_pause_duration(pause_duration); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Error setting pause_duration: err=%d, lcore=%d\n", + ret, lcore_id); + + ret = rte_power_pmd_mgmt_set_scaling_freq_min(lcore_id, + scale_freq_min); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Error setting scaling freq min: err=%d, lcore=%d\n", + ret, lcore_id); + + ret = rte_power_pmd_mgmt_set_scaling_freq_max(lcore_id, + scale_freq_max); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Error setting scaling freq max: err=%d, lcore %d\n", + ret, lcore_id); + ret = rte_power_ethdev_pmgmt_queue_enable( lcore_id, portid, queueid, pmgmt_type);