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author | Jianfeng Tan <henry.tjf@antfin.com> | 2019-11-18 06:59:50 +0000 |
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committer | Jianfeng Tan <henry.tjf@antfin.com> | 2020-03-05 01:31:33 +0800 |
commit | 78c896b3b3127515478090c19447e27dc406427e (patch) | |
tree | d6d67d4683e9ca0409f9984a834547a572fb5310 /test/packetdrill/tests/linux/sack | |
parent | e4380f4866091fd92a7a57667dd938a99144f9cd (diff) |
TLDKv2dev-next-socket
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/sack')
-rw-r--r-- | test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2-3-fack.pkt | 47 | ||||
-rw-r--r-- | test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2:6-fack.pkt | 39 |
2 files changed, 86 insertions, 0 deletions
diff --git a/test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2-3-fack.pkt b/test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2-3-fack.pkt new file mode 100644 index 0000000..52b8cda --- /dev/null +++ b/test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2-3-fack.pkt @@ -0,0 +1,47 @@ +// Test shifting of newly-SACKed ranges onto the previous already-SACKed skb. +// This variant SACKs segments 1, 2, and 3. + +// Establish a connection and send 10 MSS. +0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0.000 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0.000 bind(3, ..., ...) = 0 +0.000 listen(3, 1) = 0 + +0.100 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7> +0.100 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 6> +0.200 < . 1:1(0) ack 1 win 1024 +0.200 accept(3, ..., ...) = 4 + +0.200 write(4, ..., 10000) = 10000 +0.200 > P. 1:10001(10000) ack 1 +0.200 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 0 +}% + +0.300 < . 1:1(0) ack 1 win 257 <sack 1001:2001,nop,nop> +0.300 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 1 +}% + +// This SACK for an adjacent range causes the sender to +// shift the newly-SACKed range onto the previous skb. +0.310 < . 1:1(0) ack 1 win 257 <sack 1001:3001,nop,nop> +0.310 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 2 +}% + +// This SACK for an adjacent range causes the sender to +// shift the newly-SACKed range onto the previous skb. +0.320 < . 1:1(0) ack 1 win 257 <sack 1001:4001,nop,nop> +0.320 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 3 +assert tcpi_ca_state == TCP_CA_Recovery +}% diff --git a/test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2:6-fack.pkt b/test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2:6-fack.pkt new file mode 100644 index 0000000..464ba69 --- /dev/null +++ b/test/packetdrill/tests/linux/sack/sack-shift-sacked-1-2:6-fack.pkt @@ -0,0 +1,39 @@ +// Test shifting of newly-SACKed ranges onto the previous already-SACKed skb. +// This variant receives a SACK for segment 1 and then a SACK for +// segments 1-6, to check handling of large newly-SACKed ranges. + +// Establish a connection and send 10 MSS. +0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 +0.000 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 +0.000 bind(3, ..., ...) = 0 +0.000 listen(3, 1) = 0 + +0.100 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7> +0.100 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 6> +0.200 < . 1:1(0) ack 1 win 1024 +0.200 accept(3, ..., ...) = 4 + +0.200 write(4, ..., 10000) = 10000 +0.200 > P. 1:10001(10000) ack 1 +0.200 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 0 +}% + +0.300 < . 1:1(0) ack 1 win 257 <sack 1001:2001,nop,nop> +0.300 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 1 +}% + +// This SACK for an adjacent range causes the sender to +// shift the newly-SACKed range onto the previous skb. +0.310 < . 1:1(0) ack 1 win 257 <sack 1001:7001,nop,nop> +0.310 %{ +assert tcpi_reordering == 3 +assert tcpi_unacked == 10 +assert tcpi_sacked == 6 +assert tcpi_ca_state == TCP_CA_Recovery +}% |