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authorJianfeng Tan <henry.tjf@antfin.com>2019-11-18 06:59:50 +0000
committerJianfeng Tan <henry.tjf@antfin.com>2020-03-05 01:31:33 +0800
commit78c896b3b3127515478090c19447e27dc406427e (patch)
treed6d67d4683e9ca0409f9984a834547a572fb5310 /test/packetdrill/tests/linux/mss/mss-getsockopt-tcp_maxseg-client.pkt
parente4380f4866091fd92a7a57667dd938a99144f9cd (diff)
Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> Signed-off-by: Jielong Zhou <jielong.zjl@antfin.com> Signed-off-by: Jian Zhang <wuzai.zj@antfin.com> Signed-off-by: Chen Zhao <winters.zc@antfin.com> Change-Id: I55c39de4c6cd30f991f35631eb507f770230f08e
Diffstat (limited to 'test/packetdrill/tests/linux/mss/mss-getsockopt-tcp_maxseg-client.pkt')
-rw-r--r--test/packetdrill/tests/linux/mss/mss-getsockopt-tcp_maxseg-client.pkt14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/packetdrill/tests/linux/mss/mss-getsockopt-tcp_maxseg-client.pkt b/test/packetdrill/tests/linux/mss/mss-getsockopt-tcp_maxseg-client.pkt
new file mode 100644
index 0000000..a75b8b3
--- /dev/null
+++ b/test/packetdrill/tests/linux/mss/mss-getsockopt-tcp_maxseg-client.pkt
@@ -0,0 +1,14 @@
+// Test that getsockopt of TCP_MAXSEG works on active/client TCP connections.
+// In this variant we test that a simple query of segment size works.
+
+// Create a socket.
+0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+
+0.100...0.200 connect(3, ..., ...) = 0
+
+// Establish a connection.
+0.100 > S 0:0(0) <mss 1460,sackOK,TS val 100 ecr 0,nop,wscale 6>
+0.200 < S. 0:0(0) ack 1 win 32792 <mss 1100,nop,wscale 7>
+0.200 > . 1:1(0) ack 1
+
+0.300 getsockopt(3, SOL_TCP, TCP_MAXSEG, [1100], [4]) = 0