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- Log ----------------------------------------------------------------- commit 6881620135a179911a5839d4be97423a8d80e5ab Author: Bogdan Pricope bogdan.pricope@linaro.org Date: Wed Dec 6 17:15:14 2017 +0200
example: generator: replace atomic counter with per worker counters
Use of atomic counters reduces total packet throughput.
Signed-off-by: Bogdan Pricope bogdan.pricope@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org
diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c index 0a81cdeb..861e9836 100644 --- a/example/generator/odp_generator.c +++ b/example/generator/odp_generator.c @@ -34,6 +34,9 @@ #define APPL_MODE_PING 1 /**< ping mode */ #define APPL_MODE_RCV 2 /**< receive mode */
+#define PING_THR_TX 0 +#define PING_THR_RX 1 + /** print appl mode */ #define PRINT_APPL_MODE(x) printf("%s(%i)\n", #x, (x))
@@ -82,18 +85,21 @@ typedef struct { /** * counters */ -static struct { - odp_atomic_u64_t seq; /**< ip seq to be send */ - odp_atomic_u64_t ip; /**< ip packets */ - odp_atomic_u64_t udp; /**< udp packets */ - odp_atomic_u64_t icmp; /**< icmp packets */ - odp_atomic_u64_t cnt; /**< sent packets*/ - odp_atomic_u64_t tx_drops; /**< packets dropped in transmit */ -} counters; +typedef struct { + uint64_t ctr_pkt_snd; /**< sent packets*/ + uint64_t ctr_pkt_snd_drop; /**< packets dropped in transmit */ + + uint64_t ctr_pkt_rcv; /**< recv packets */ + uint64_t ctr_seq; /**< ip seq to be send */ + uint64_t ctr_udp_rcv; /**< udp packets */ + uint64_t ctr_icmp_reply_rcv; /**< icmp reply packets */ +} counters_t;
/** * Thread specific arguments */ typedef struct { + counters_t counters; /**< Packet conters */ + odp_bool_t stop; /**< Stop packet processing */ union { struct { odp_pktout_queue_t pktout; /**< Packet output queue */ @@ -120,6 +126,9 @@ typedef struct { appl_args_t appl; /** Thread specific arguments */ thread_args_t thread[MAX_WORKERS]; + /** Global arguments */ + int thread_cnt; + int tx_burst_size; } args_t;
/** Global pointer to args */ @@ -131,7 +140,8 @@ static odp_barrier_t barrier; /** Packet processing function types */ typedef odp_packet_t (*setup_pkt_ref_fn_t)(odp_pool_t, odp_pktout_config_opt_t *); -typedef int (*setup_pkt_fn_t)(odp_packet_t, odp_pktout_config_opt_t *); +typedef int (*setup_pkt_fn_t)(odp_packet_t, odp_pktout_config_opt_t *, + counters_t *);
/* helper funcs */ static void parse_args(int argc, char *argv[], appl_args_t *appl_args); @@ -245,6 +255,7 @@ static int setup_pkt_ref_array(odp_pool_t pool, * @return 0 success, -1 failed */ static int setup_pkt_array(odp_pktout_config_opt_t *pktout_cfg, + counters_t *counters, odp_packet_t *pkt_ref_array, odp_packet_t *pkt_array, int pkt_array_size, @@ -253,7 +264,7 @@ static int setup_pkt_array(odp_pktout_config_opt_t *pktout_cfg, int i;
for (i = 0; i < pkt_array_size; i++) { - if ((*setup_pkt)(pkt_ref_array[i], pktout_cfg)) + if ((*setup_pkt)(pkt_ref_array[i], pktout_cfg, counters)) break;
pkt_array[i] = odp_packet_ref_static(pkt_ref_array[i]); @@ -342,7 +353,8 @@ static odp_packet_t setup_udp_pkt_ref(odp_pool_t pool, * @return Success/Failed * @retval 0 on success, -1 on fail */ -static int setup_udp_pkt(odp_packet_t pkt, odp_pktout_config_opt_t *pktout_cfg) +static int setup_udp_pkt(odp_packet_t pkt, odp_pktout_config_opt_t *pktout_cfg, + counters_t *counters) { char *buf; odph_ipv4hdr_t *ip; @@ -352,7 +364,8 @@ static int setup_udp_pkt(odp_packet_t pkt, odp_pktout_config_opt_t *pktout_cfg)
/*Update IP ID and checksum*/ ip = (odph_ipv4hdr_t *)(buf + ODPH_ETHHDR_LEN); - seq = odp_atomic_fetch_add_u64(&counters.seq, 1) % 0xFFFF; + seq = counters->ctr_seq % 0xFFFF; + counters->ctr_seq++; ip->id = odp_cpu_to_be_16(seq); if (!pktout_cfg->bit.ipv4_chksum) { ip->chksum = 0; @@ -437,7 +450,8 @@ static odp_packet_t setup_icmp_pkt_ref(odp_pool_t pool, * @retval 0 on success, -1 on fail */ static int setup_icmp_pkt(odp_packet_t pkt, - odp_pktout_config_opt_t *pktout_cfg) + odp_pktout_config_opt_t *pktout_cfg, + counters_t *counters) { char *buf; odph_ipv4hdr_t *ip; @@ -450,7 +464,8 @@ static int setup_icmp_pkt(odp_packet_t pkt,
/* ip */ ip = (odph_ipv4hdr_t *)(buf + ODPH_ETHHDR_LEN); - seq = odp_atomic_fetch_add_u64(&counters.seq, 1) % 0xffff; + seq = counters->ctr_seq % 0xffff; + counters->ctr_seq++; ip->id = odp_cpu_to_be_16(seq); if (!pktout_cfg->bit.ipv4_chksum) { ip->chksum = 0; @@ -607,30 +622,39 @@ static int gen_send_thread(void *arg) odp_pktout_config_opt_t *pktout_cfg; odp_packet_t pkt_ref_array[MAX_UDP_TX_BURST]; odp_packet_t pkt_array[MAX_UDP_TX_BURST]; - int pkt_array_size; + int pkt_array_size, seq_step; int burst_start, burst_size; setup_pkt_ref_fn_t setup_pkt_ref = NULL; setup_pkt_fn_t setup_pkt = NULL; + counters_t *counters; + uint64_t pkt_count_max = 0;
thr = odp_thread_id(); thr_args = arg; pktout = thr_args->tx.pktout; pktout_cfg = thr_args->tx.pktout_cfg; + counters = &thr_args->counters;
/* Create reference packets*/ if (args->appl.mode == APPL_MODE_UDP) { - pkt_array_size = args->appl.udp_tx_burst; setup_pkt_ref = setup_udp_pkt_ref; setup_pkt = setup_udp_pkt; + seq_step = args->tx_burst_size * (args->thread_cnt - 1); + if (args->appl.number != -1) + pkt_count_max = args->appl.number / args->thread_cnt + + (args->appl.number % args->thread_cnt ? 1 : 0); } else if (args->appl.mode == APPL_MODE_PING) { - pkt_array_size = 1; setup_pkt_ref = setup_icmp_pkt_ref; setup_pkt = setup_icmp_pkt; + seq_step = 0; + if (args->appl.number != -1) + pkt_count_max = args->appl.number; } else { EXAMPLE_ERR(" [%02i] Error: invalid processing mode %d\n", thr, args->appl.mode); return -1; } + pkt_array_size = args->tx_burst_size;
if (setup_pkt_ref_array(thr_args->pool, pktout_cfg, pkt_ref_array, pkt_array_size, @@ -645,13 +669,17 @@ static int gen_send_thread(void *arg) odp_barrier_wait(&barrier);
for (;;) { - if (args->appl.number != -1 && - odp_atomic_fetch_add_u64(&counters.cnt, pkt_array_size) >= - (unsigned int)args->appl.number) + if (thr_args->stop) break;
+ if (pkt_count_max && counters->ctr_pkt_snd > pkt_count_max) { + sleep(1); /* wait for stop command */ + continue; + } + /* Setup TX burst*/ - if (setup_pkt_array(pktout_cfg, pkt_ref_array, pkt_array, + if (setup_pkt_array(pktout_cfg, counters, + pkt_ref_array, pkt_array, pkt_array_size, setup_pkt)) { EXAMPLE_ERR("[%02i] Error: failed to setup packets\n", thr); @@ -663,10 +691,12 @@ static int gen_send_thread(void *arg) ret = odp_pktout_send(pktout, &pkt_array[burst_start], burst_size); if (ret == burst_size) { + burst_size = 0; break; } else if (ret >= 0 && ret < burst_size) { - odp_atomic_add_u64(&counters.tx_drops, - burst_size - ret); + thr_args->counters.ctr_pkt_snd_drop += + burst_size - ret; + burst_start += ret; burst_size -= ret; continue; @@ -677,32 +707,20 @@ static int gen_send_thread(void *arg) break; }
+ counters->ctr_pkt_snd += pkt_array_size - burst_size; + if (args->appl.interval != 0) { printf(" [%02i] send pkt no:%ju seq %ju\n", thr, - odp_atomic_load_u64(&counters.seq), - odp_atomic_load_u64(&counters.seq)%0xffff); + counters->ctr_seq, + counters->ctr_seq % 0xffff); millisleep(args->appl.interval, thr_args->tp, thr_args->tim, thr_args->tq, thr_args->tmo_ev); } - } - - /* receive number of reply pks until timeout */ - if (args->appl.mode == APPL_MODE_PING && args->appl.number > 0) { - while (args->appl.timeout >= 0) { - if (odp_atomic_load_u64(&counters.icmp) >= - (unsigned int)args->appl.number) - break; - millisleep(DEFAULT_PKT_INTERVAL, - thr_args->tp, - thr_args->tim, - thr_args->tq, - thr_args->tmo_ev); - args->appl.timeout--; - } + counters->ctr_seq += seq_step; }
odp_packet_free_multi(pkt_ref_array, pkt_array_size); @@ -717,7 +735,8 @@ static int gen_send_thread(void *arg) * @param msg output buffer */
-static void process_icmp_pkt(odph_icmphdr_t *icmp, char *msg) +static void process_icmp_pkt(thread_args_t *thr_args, + odph_icmphdr_t *icmp, char *msg) { uint64_t trecv; uint64_t tsend; @@ -726,7 +745,7 @@ static void process_icmp_pkt(odph_icmphdr_t *icmp, char *msg) msg[0] = 0;
if (icmp->type == ICMP_ECHOREPLY) { - odp_atomic_inc_u64(&counters.icmp); + thr_args->counters.ctr_icmp_reply_rcv++;
memcpy(&tsend, (uint8_t *)icmp + ODPH_ICMPHDR_LEN, sizeof(uint64_t)); @@ -751,7 +770,8 @@ static void process_icmp_pkt(odph_icmphdr_t *icmp, char *msg) * @param pkt_tbl packets to be print * @param len packet number */ -static void print_pkts(int thr, odp_packet_t pkt_tbl[], unsigned len) +static void print_pkts(int thr, thread_args_t *thr_args, + odp_packet_t pkt_tbl[], unsigned len) { odp_packet_t pkt; char *buf; @@ -768,21 +788,20 @@ static void print_pkts(int thr, odp_packet_t pkt_tbl[], unsigned len) if (!odp_packet_has_ipv4(pkt)) continue;
- odp_atomic_inc_u64(&counters.ip); + thr_args->counters.ctr_pkt_rcv++; buf = odp_packet_data(pkt); ip = (odph_ipv4hdr_t *)(buf + odp_packet_l3_offset(pkt)); offset = odp_packet_l4_offset(pkt);
/* udp */ - if (ip->proto == ODPH_IPPROTO_UDP) { - odp_atomic_inc_u64(&counters.udp); - } + if (ip->proto == ODPH_IPPROTO_UDP) + thr_args->counters.ctr_udp_rcv++;
/* icmp */ if (ip->proto == ODPH_IPPROTO_ICMPv4) { icmp = (odph_icmphdr_t *)(buf + offset);
- process_icmp_pkt(icmp, msg); + process_icmp_pkt(thr_args, icmp, msg); printf(" [%02i] %s\n", thr, msg); } } @@ -810,14 +829,11 @@ static int gen_recv_thread(void *arg) odp_barrier_wait(&barrier);
for (;;) { - if (args->appl.number != -1 && - odp_atomic_load_u64(&counters.icmp) >= - (unsigned int)args->appl.number) { + if (thr_args->stop) break; - }
/* Use schedule to get buf from any input queue */ - ev_cnt = odp_schedule_multi(NULL, ODP_SCHED_WAIT, + ev_cnt = odp_schedule_multi(NULL, ODP_SCHED_NO_WAIT, events, MAX_RX_BURST); if (ev_cnt == 0) continue; @@ -848,7 +864,7 @@ static int gen_recv_thread(void *arg) }
if (pkt_cnt) { - print_pkts(thr, pkts, pkt_cnt); + print_pkts(thr, thr_args, pkts, pkt_cnt);
odp_packet_free_multi(pkts, pkt_cnt); } @@ -857,6 +873,35 @@ static int gen_recv_thread(void *arg) return 0; }
+#define COUNTER_SUM(_c, _nw) \ +({ \ + int _itr; \ + uint64_t _result = 0; \ + \ + for (_itr = 0; _itr < _nw; _itr++) \ + _result += args->thread[_itr].counters.ctr_ ## _c; \ + \ + _result; \ +}) + +static void garceful_stop_ping(void) +{ + uint64_t snd, rcv; + + if (args->appl.mode != APPL_MODE_PING) + return; + + while (args->appl.timeout >= 0) { + snd = COUNTER_SUM(pkt_snd, 2); + rcv = COUNTER_SUM(icmp_reply_rcv, 2); + if (rcv >= snd) + break; + + sleep(1); + args->appl.timeout--; + } +} + /** * printing verbose statistics * @@ -868,8 +913,8 @@ static void print_global_stats(int num_workers) uint64_t pps_snd = 0, maximum_pps_snd = 0; uint64_t pkts_rcv = 0, pkts_rcv_prev = 0; uint64_t pps_rcv = 0, maximum_pps_rcv = 0; - uint64_t stall; - int verbose_interval = 20; + uint64_t stall, pkts_snd_drop; + int verbose_interval = 20, i; odp_thrmask_t thrd_mask;
odp_barrier_wait(&barrier); @@ -878,12 +923,15 @@ static void print_global_stats(int num_workers) next = odp_time_sum(odp_time_local(), wait);
while (odp_thrmask_worker(&thrd_mask) == num_workers) { - if (args->appl.number != -1 && - odp_atomic_load_u64(&counters.cnt) >= - (unsigned int)args->appl.number) { - break; - } + if (args->appl.mode != APPL_MODE_RCV && + args->appl.number != -1) { + uint64_t cnt = COUNTER_SUM(pkt_snd, num_workers);
+ if (cnt >= (unsigned int)args->appl.number) { + garceful_stop_ping(); + break; + } + } cur = odp_time_local(); if (odp_time_cmp(next, cur) > 0) { left = odp_time_diff(next, cur); @@ -894,18 +942,22 @@ static void print_global_stats(int num_workers) usleep(stall / ODP_TIME_USEC_IN_NS); continue; } - next = odp_time_sum(cur, wait); + switch (args->appl.mode) { case APPL_MODE_RCV: - pkts_rcv = odp_atomic_load_u64(&counters.ip); + pkts_rcv = COUNTER_SUM(pkt_rcv, num_workers); + pkts_snd = 0; + pkts_snd_drop = 0; break; case APPL_MODE_PING: - pkts_snd = odp_atomic_load_u64(&counters.seq); - pkts_rcv = odp_atomic_load_u64(&counters.icmp); + pkts_snd = COUNTER_SUM(pkt_snd, num_workers); + pkts_snd_drop = COUNTER_SUM(pkt_snd_drop, num_workers); + pkts_rcv = COUNTER_SUM(icmp_reply_rcv, num_workers); break; case APPL_MODE_UDP: - pkts_snd = odp_atomic_load_u64(&counters.seq); + pkts_snd = COUNTER_SUM(pkt_snd, num_workers); + pkts_snd_drop = COUNTER_SUM(pkt_snd_drop, num_workers); break; default: continue; @@ -927,11 +979,14 @@ static void print_global_stats(int num_workers) "rcv: %" PRIu64 ", " "recv rate: %" PRIu64 " pps, " "max recv rate: %" PRIu64 " pps\n", - pkts_snd, odp_atomic_load_u64(&counters.tx_drops), + pkts_snd, pkts_snd_drop, pps_snd, maximum_pps_snd, pkts_rcv, pps_rcv, maximum_pps_rcv); fflush(NULL); } + + for (i = 0; i < num_workers; i++) + args->thread[i].stop = 1; }
/** @@ -968,14 +1023,6 @@ int main(int argc, char *argv[]) exit(EXIT_FAILURE); }
- /* init counters */ - odp_atomic_init_u64(&counters.seq, 0); - odp_atomic_init_u64(&counters.ip, 0); - odp_atomic_init_u64(&counters.udp, 0); - odp_atomic_init_u64(&counters.icmp, 0); - odp_atomic_init_u64(&counters.cnt, 0); - odp_atomic_init_u64(&counters.tx_drops, 0); - /* Reserve memory for args from shared mem */ shm = odp_shm_reserve("shm_args", sizeof(args_t), ODP_CACHE_LINE_SIZE, 0); @@ -1024,6 +1071,15 @@ int main(int argc, char *argv[]) num_workers = 2; } } + args->thread_cnt = num_workers; + + /* Burst size */ + if (args->appl.mode == APPL_MODE_PING) + args->tx_burst_size = 1; + else if (args->appl.mode == APPL_MODE_UDP) + args->tx_burst_size = args->appl.udp_tx_burst; + else + args->tx_burst_size = 0;
/* Create packet pool */ odp_pool_param_init(¶ms); @@ -1104,6 +1160,7 @@ int main(int argc, char *argv[]) if (args->appl.mode == APPL_MODE_PING) { odp_cpumask_t cpu_mask; int cpu_first, cpu_next; + thread_args_t *thr_args;
odp_cpumask_zero(&cpu_mask); cpu_first = odp_cpumask_first(&cpumask); @@ -1114,60 +1171,64 @@ int main(int argc, char *argv[]) EXAMPLE_ERR("queue_create failed\n"); abort(); } - args->thread[1].rx.ifs = ifs; - args->thread[1].rx.ifs_count = args->appl.if_count; - args->thread[1].pool = pool; - args->thread[1].tp = tp; - args->thread[1].tq = tq; - args->thread[1].tim = odp_timer_alloc(tp, tq, NULL); - if (args->thread[1].tim == ODP_TIMER_INVALID) { + thr_args = &args->thread[PING_THR_RX]; + thr_args->rx.ifs = ifs; + thr_args->rx.ifs_count = args->appl.if_count; + thr_args->pool = pool; + thr_args->tp = tp; + thr_args->tq = tq; + thr_args->tim = odp_timer_alloc(tp, tq, NULL); + if (thr_args->tim == ODP_TIMER_INVALID) { EXAMPLE_ERR("timer_alloc failed\n"); abort(); } - args->thread[1].tmo_ev = odp_timeout_alloc(tmop); - if (args->thread[1].tmo_ev == ODP_TIMEOUT_INVALID) { + thr_args->tmo_ev = odp_timeout_alloc(tmop); + if (thr_args->tmo_ev == ODP_TIMEOUT_INVALID) { EXAMPLE_ERR("timeout_alloc failed\n"); abort(); } - args->thread[1].mode = args->appl.mode; + thr_args->mode = args->appl.mode;
memset(&thr_params, 0, sizeof(thr_params)); thr_params.start = gen_recv_thread; - thr_params.arg = &args->thread[1]; + thr_params.arg = thr_args; thr_params.thr_type = ODP_THREAD_WORKER; thr_params.instance = instance;
- odph_odpthreads_create(&thread_tbl[1], &cpu_mask, &thr_params); + odph_odpthreads_create(&thread_tbl[PING_THR_RX], + &cpu_mask, &thr_params);
tq = odp_queue_create("", NULL); if (tq == ODP_QUEUE_INVALID) { EXAMPLE_ERR("queue_create failed\n"); abort(); } - args->thread[0].tx.pktout = ifs[0].pktout[0]; - args->thread[0].tx.pktout_cfg = &ifs[0].config.pktout; - args->thread[0].pool = pool; - args->thread[0].tp = tp; - args->thread[0].tq = tq; - args->thread[0].tim = odp_timer_alloc(tp, tq, NULL); - if (args->thread[0].tim == ODP_TIMER_INVALID) { + thr_args = &args->thread[PING_THR_TX]; + thr_args->tx.pktout = ifs[0].pktout[0]; + thr_args->tx.pktout_cfg = &ifs[0].config.pktout; + thr_args->pool = pool; + thr_args->tp = tp; + thr_args->tq = tq; + thr_args->tim = odp_timer_alloc(tp, tq, NULL); + if (thr_args->tim == ODP_TIMER_INVALID) { EXAMPLE_ERR("timer_alloc failed\n"); abort(); } - args->thread[0].tmo_ev = odp_timeout_alloc(tmop); - if (args->thread[0].tmo_ev == ODP_TIMEOUT_INVALID) { + thr_args->tmo_ev = odp_timeout_alloc(tmop); + if (thr_args->tmo_ev == ODP_TIMEOUT_INVALID) { EXAMPLE_ERR("timeout_alloc failed\n"); abort(); } - args->thread[0].mode = args->appl.mode; + thr_args->mode = args->appl.mode; cpu_next = odp_cpumask_next(&cpumask, cpu_first); odp_cpumask_zero(&cpu_mask); odp_cpumask_set(&cpu_mask, cpu_next);
thr_params.start = gen_send_thread; - thr_params.arg = &args->thread[0]; + thr_params.arg = thr_args;
- odph_odpthreads_create(&thread_tbl[0], &cpu_mask, &thr_params); + odph_odpthreads_create(&thread_tbl[PING_THR_TX], + &cpu_mask, &thr_params);
} else { int cpu = odp_cpumask_first(&cpumask); @@ -1176,6 +1237,7 @@ int main(int argc, char *argv[]) odp_cpumask_t thd_mask; int (*thr_run_func)(void *); int if_idx, pktout_idx; + uint64_t start_seq;
if (args->appl.mode == APPL_MODE_RCV) { args->thread[i].rx.ifs = ifs; @@ -1185,11 +1247,13 @@ int main(int argc, char *argv[]) if_idx = i % args->appl.if_count; pktout_idx = (i / args->appl.if_count) % ifs[if_idx].pktout_count; + start_seq = i * args->tx_burst_size;
args->thread[i].tx.pktout = ifs[if_idx].pktout[pktout_idx]; args->thread[i].tx.pktout_cfg = &ifs[if_idx].config.pktout; + args->thread[i].counters.ctr_seq = start_seq; } tq = odp_queue_create("", NULL); if (tq == ODP_QUEUE_INVALID) { @@ -1531,9 +1595,9 @@ static void usage(char *progname) "OpenDataPlane example application.\n" "\n" " Work mode:\n" - " 1.send udp packets\n" + " 1.send ipv4 udp packets\n" " odp_generator -I eth0 --srcmac fe:0f:97:c9:e0:44 --dstmac 32:cb:9b:27:2f:1a --srcip 192.168.0.1 --dstip 192.168.0.2 -m u\n" - " 2.receive udp packets\n" + " 2.receive ipv4 packets\n" " odp_generator -I eth0 -m r\n" " 3.work likes ping\n" " odp_generator -I eth0 --srcmac fe:0f:97:c9:e0:44 --dstmac 32:cb:9b:27:2f:1a --srcip 192.168.0.1 --dstip 192.168.0.2 --cpumask 0xc -m p\n"
commit e118bc6c2084c306968cb5d947649eca4a8029ba Author: Bogdan Pricope bogdan.pricope@linaro.org Date: Thu Dec 7 10:59:27 2017 +0200
example: generator: add configuration option for csum support
Add configuration option to enable platform checksum support (if available) for calculation and validation. By default, checksum calculation is performed in software and validation is disabled.
Signed-off-by: Bogdan Pricope bogdan.pricope@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org
diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c index 47b91d6e..0a81cdeb 100644 --- a/example/generator/odp_generator.c +++ b/example/generator/odp_generator.c @@ -76,6 +76,7 @@ typedef struct { each packet */ int udp_tx_burst; /**< number of udp packets to send with one API call */ + odp_bool_t csum; /**< use platform csum support if available */ } appl_args_t;
/** @@ -516,14 +517,26 @@ static int create_pktio(const char *dev, odp_pool_t pool, return -1; } odp_pktio_config_init(&itf->config); - itf->config.pktin.bit.ipv4_chksum = capa.config.pktin.bit.ipv4_chksum; - itf->config.pktin.bit.udp_chksum = capa.config.pktin.bit.udp_chksum; - itf->config.pktin.bit.drop_ipv4_err = - capa.config.pktin.bit.drop_ipv4_err; - itf->config.pktin.bit.drop_udp_err = capa.config.pktin.bit.drop_udp_err; - - itf->config.pktout.bit.ipv4_chksum = capa.config.pktout.bit.ipv4_chksum; - itf->config.pktout.bit.udp_chksum = capa.config.pktout.bit.udp_chksum; + if (args->appl.csum) { + itf->config.pktin.bit.ipv4_chksum = + capa.config.pktin.bit.ipv4_chksum; + itf->config.pktin.bit.udp_chksum = + capa.config.pktin.bit.udp_chksum; + itf->config.pktin.bit.drop_ipv4_err = + capa.config.pktin.bit.drop_ipv4_err; + itf->config.pktin.bit.drop_udp_err = + capa.config.pktin.bit.drop_udp_err; + + itf->config.pktout.bit.ipv4_chksum = + capa.config.pktout.bit.ipv4_chksum; + itf->config.pktout.bit.udp_chksum = + capa.config.pktout.bit.udp_chksum; + } else { /* explicit disable */ + itf->config.pktin.bit.ipv4_chksum = 0; + itf->config.pktin.bit.udp_chksum = 0; + itf->config.pktout.bit.ipv4_chksum = 0; + itf->config.pktout.bit.udp_chksum = 0; + }
if (odp_pktio_config(itf->pktio, &itf->config)) { EXAMPLE_ERR("Error: Failed to set interface configuration %s\n", @@ -1299,10 +1312,11 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) {"interval", required_argument, NULL, 'i'}, {"help", no_argument, NULL, 'h'}, {"udp_tx_burst", required_argument, NULL, 'x'}, + {"csum", no_argument, NULL, 'y'}, {NULL, 0, NULL, 0} };
- static const char *shortopts = "+I:a:b:s:d:p:i:m:n:t:w:c:x:he:f:"; + static const char *shortopts = "+I:a:b:s:d:p:i:m:n:t:w:c:x:he:f:y";
/* let helper collect its own arguments (e.g. --odph_proc) */ odph_parse_options(argc, argv, shortopts, longopts); @@ -1315,6 +1329,7 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) appl_args->udp_tx_burst = DEFAULT_UDP_TX_BURST; appl_args->srcport = 0; appl_args->dstport = 0; + appl_args->csum = 0;
opterr = 0; /* do not issue errors on helper options */
@@ -1455,6 +1470,9 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) } break;
+ case 'y': + appl_args->csum = 1; + break; case 'h': usage(argv[0]); exit(EXIT_SUCCESS); @@ -1541,6 +1559,8 @@ static void usage(char *progname) " -n, --count the number of packets to be send\n" " -c, --cpumask to set on cores\n" " -x, --udp_tx_burst size of UDP TX burst\n" + " -y, --csum use platform checksum support if available\n" + " default is disabled\n" "\n", NO_PATH(progname), NO_PATH(progname) ); }
commit f55bd7c695d142cfb2306b5f156bc401ba11473b Author: Bogdan Pricope bogdan.pricope@linaro.org Date: Wed Dec 6 17:27:55 2017 +0200
example: generator: increase maximum TX burst size to 512
Bigger TX bursts may increase packet throughput.
Signed-off-by: Bogdan Pricope bogdan.pricope@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org
diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c index 6ee4f638..47b91d6e 100644 --- a/example/generator/odp_generator.c +++ b/example/generator/odp_generator.c @@ -26,7 +26,8 @@ #define POOL_NUM_PKT 2048 /* Number of packets in packet pool */ #define POOL_PKT_LEN 1856 /* Max packet length */ #define DEFAULT_PKT_INTERVAL 1000 /* Interval between each packet */ -#define MAX_UDP_TX_BURST 32 +#define DEFAULT_UDP_TX_BURST 16 +#define MAX_UDP_TX_BURST 512 #define MAX_RX_BURST 32
#define APPL_MODE_UDP 0 /**< UDP mode */ @@ -1311,7 +1312,7 @@ static void parse_args(int argc, char *argv[], appl_args_t *appl_args) appl_args->payload = 56; appl_args->timeout = -1; appl_args->interval = DEFAULT_PKT_INTERVAL; - appl_args->udp_tx_burst = 16; + appl_args->udp_tx_burst = DEFAULT_UDP_TX_BURST; appl_args->srcport = 0; appl_args->dstport = 0;
commit 6e09adf147ad3ccb4df1cc988d20d31c3246d2aa Author: Bogdan Pricope bogdan.pricope@linaro.org Date: Tue Dec 5 11:05:27 2017 +0200
example: generator: remove 1 ms sleep on send loop
The 1 ms sleep is reducing total packet throughput.
Signed-off-by: Bogdan Pricope bogdan.pricope@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org
diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c index 53b397b3..6ee4f638 100644 --- a/example/generator/odp_generator.c +++ b/example/generator/odp_generator.c @@ -655,7 +655,6 @@ static int gen_send_thread(void *arg) burst_size - ret); burst_start += ret; burst_size -= ret; - odp_time_wait_ns(ODP_TIME_MSEC_IN_NS); continue; } EXAMPLE_ERR(" [%02i] packet send failed\n", thr);
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Summary of changes: example/generator/odp_generator.c | 310 ++++++++++++++++++++++++-------------- 1 file changed, 197 insertions(+), 113 deletions(-)
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