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iperf3/1278-rebase.patch

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From 641e51cb4a9bb30e499562e5521901ea23631a8c Mon Sep 17 00:00:00 2001
From: Jonathan Wright <jonathan@almalinux.org>
Date: Tue, 18 Jul 2023 09:04:48 -0500
Subject: [PATCH] 1278-rebase Report number of reorder_seen
---
src/iperf.h | 2 ++
src/iperf_api.c | 6 ++++--
src/iperf_api.h | 1 +
src/tcp_info.c | 14 ++++++++++++++
4 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/src/iperf.h b/src/iperf.h
index c3ce333..60b4d6e 100644
--- a/src/iperf.h
+++ b/src/iperf.h
@@ -109,6 +109,7 @@ struct iperf_interval_results
long rtt;
long rttvar;
long pmtu;
+ long reorder;
};
struct iperf_stream_result
@@ -120,6 +121,7 @@ struct iperf_stream_result
iperf_size_t bytes_sent_omit;
long stream_prev_total_retrans;
long stream_retrans;
+ long stream_reorder;
long stream_max_rtt;
long stream_min_rtt;
long stream_sum_rtt;
diff --git a/src/iperf_api.c b/src/iperf_api.c
index a95e024..30ff8d1 100644
--- a/src/iperf_api.c
+++ b/src/iperf_api.c
@@ -3308,6 +3308,8 @@ iperf_stats_callback(struct iperf_test *test)
temp.rttvar = get_rttvar(&temp);
temp.pmtu = get_pmtu(&temp);
+ temp.reorder = get_reorder(&temp);
+ rp->stream_reorder = temp.reorder;
}
}
} else {
@@ -3753,7 +3755,7 @@ iperf_print_results(struct iperf_test *test)
if (test->sender_has_retransmits) {
/* Sender summary, TCP and SCTP with retransmits. */
if (test->json_output)
- cJSON_AddItemToObject(json_summary_stream, report_sender, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d max_snd_cwnd: %d max_snd_wnd: %d max_rtt: %d min_rtt: %d mean_rtt: %d sender: %b", (int64_t) sp->socket, (double) start_time, (double) sender_time, (double) sender_time, (int64_t) bytes_sent, bandwidth * 8, (int64_t) sp->result->stream_retrans, (int64_t) sp->result->stream_max_snd_cwnd, (int64_t) sp->result->stream_max_snd_wnd, (int64_t) sp->result->stream_max_rtt, (int64_t) sp->result->stream_min_rtt, (int64_t) ((sp->result->stream_count_rtt == 0) ? 0 : sp->result->stream_sum_rtt / sp->result->stream_count_rtt), stream_must_be_sender));
+ cJSON_AddItemToObject(json_summary_stream, report_sender, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d reorder: %d max_snd_cwnd: %d max_snd_wnd: %d max_rtt: %d min_rtt: %d mean_rtt: %d sender: %b", (int64_t) sp->socket, (double) start_time, (double) sender_time, (double) sender_time, (int64_t) bytes_sent, bandwidth * 8, (int64_t) sp->result->stream_retrans, (int64_t) sp->result->stream_reorder, (int64_t) sp->result->stream_max_snd_cwnd, (int64_t) sp->result->stream_max_snd_wnd, (int64_t) sp->result->stream_max_rtt, (int64_t) sp->result->stream_min_rtt, (int64_t) ((sp->result->stream_count_rtt == 0) ? 0 : sp->result->stream_sum_rtt / sp->result->stream_count_rtt), stream_must_be_sender));
else
if (test->role == 's' && !sp->sender) {
if (test->verbose)
@@ -4204,7 +4206,7 @@ print_interval_results(struct iperf_test *test, struct iperf_stream *sp, cJSON *
if (test->sender_has_retransmits == 1 && sp->sender) {
/* Interval, TCP with retransmits. */
if (test->json_output)
- cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d snd_cwnd: %d snd_wnd: %d rtt: %d rttvar: %d pmtu: %d omitted: %b sender: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, (int64_t) irp->interval_retrans, (int64_t) irp->snd_cwnd, (int64_t) irp->snd_wnd, (int64_t) irp->rtt, (int64_t) irp->rttvar, (int64_t) irp->pmtu, irp->omitted, sp->sender));
+ cJSON_AddItemToArray(json_interval_streams, iperf_json_printf("socket: %d start: %f end: %f seconds: %f bytes: %d bits_per_second: %f retransmits: %d snd_cwnd: %d snd_wnd: %d rtt: %d rttvar: %d pmtu: %d reorder: %d omitted: %b sender: %b", (int64_t) sp->socket, (double) st, (double) et, (double) irp->interval_duration, (int64_t) irp->bytes_transferred, bandwidth * 8, (int64_t) irp->interval_retrans, (int64_t) irp->snd_cwnd, (int64_t) irp->snd_wnd, (int64_t) irp->rtt, (int64_t) irp->rttvar, (int64_t) irp->pmtu, (int64_t) irp->reorder, irp->omitted, sp->sender));
else {
unit_snprintf(cbuf, UNIT_LEN, irp->snd_cwnd, 'A');
iperf_printf(test, report_bw_retrans_cwnd_format, sp->socket, mbuf, st, et, ubuf, nbuf, irp->interval_retrans, cbuf, irp->omitted?report_omitted:"");
diff --git a/src/iperf_api.h b/src/iperf_api.h
index 171006a..542d8c9 100644
--- a/src/iperf_api.h
+++ b/src/iperf_api.h
@@ -301,6 +301,7 @@ long get_snd_wnd(struct iperf_interval_results *irp);
long get_rtt(struct iperf_interval_results *irp);
long get_rttvar(struct iperf_interval_results *irp);
long get_pmtu(struct iperf_interval_results *irp);
+long get_reorder(struct iperf_interval_results *irp);
void print_tcpinfo(struct iperf_test *test);
void build_tcpinfo_message(struct iperf_interval_results *r, char *message);
diff --git a/src/tcp_info.c b/src/tcp_info.c
index 160063c..263e748 100644
--- a/src/tcp_info.c
+++ b/src/tcp_info.c
@@ -217,6 +217,20 @@ get_pmtu(struct iperf_interval_results *irp)
#endif
}
+/*************************************************************/
+/*
+ * Return number of reordering events seen.
+ */
+long
+get_reorder(struct iperf_interval_results *irp)
+{
+#if defined(linux) && defined(TCP_REPAIR_ON)
+ return irp->tcpInfo.tcpi_reord_seen;
+#else
+ return -1;
+#endif
+}
+
/*************************************************************/
void
build_tcpinfo_message(struct iperf_interval_results *r, char *message)
--
2.41.0
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