diff mbox series

[v2,mptcp-next,3/4] selftests: mptcp: add cfg_do_w for cfg_remove

Message ID d49a86c112c21d1ea98e0e9572cbda03fad6d8d0.1614053997.git.geliangtang@gmail.com
State Superseded, archived
Delegated to: Mat Martineau
Headers show
Series move to next addr when timeout | expand

Commit Message

Geliang Tang Feb. 23, 2021, 4:29 a.m. UTC 
In some testcases, we need to slow down the transmitting process. This
patch added a new argument named cfg_do_w for cfg_remove to allow the
caller to pass an argument to cfg_remove.

In do_rnd_write, use this cfg_do_w to control the transmitting speed.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
 tools/testing/selftests/net/mptcp/mptcp_connect.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/testing/selftests/net/mptcp/mptcp_connect.c
index 77bb62feb872..69d89b5d666f 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.c
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c
@@ -55,6 +55,7 @@  static int cfg_sndbuf;
 static int cfg_rcvbuf;
 static bool cfg_join;
 static bool cfg_remove;
+static unsigned int cfg_do_w;
 static int cfg_wait;
 
 static void die_usage(void)
@@ -272,8 +273,8 @@  static size_t do_rnd_write(const int fd, char *buf, const size_t len)
 	if (cfg_join && first && do_w > 100)
 		do_w = 100;
 
-	if (cfg_remove && do_w > 50)
-		do_w = 50;
+	if (cfg_remove && do_w > cfg_do_w)
+		do_w = cfg_do_w;
 
 	bw = write(fd, buf, do_w);
 	if (bw < 0)
@@ -829,7 +830,7 @@  static void parse_opts(int argc, char **argv)
 {
 	int c;
 
-	while ((c = getopt(argc, argv, "6jrlp:s:hut:m:S:R:w:")) != -1) {
+	while ((c = getopt(argc, argv, "6jr:lp:s:hut:m:S:R:w:")) != -1) {
 		switch (c) {
 		case 'j':
 			cfg_join = true;
@@ -840,6 +841,9 @@  static void parse_opts(int argc, char **argv)
 			cfg_remove = true;
 			cfg_mode = CFG_MODE_POLL;
 			cfg_wait = 400000;
+			cfg_do_w = atoi(optarg);
+			if (cfg_do_w <= 0)
+				cfg_do_w = 50;
 			break;
 		case 'l':
 			listen_mode = true;