31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
// Minimal client-side zerocopy test
|
||
|
|
|
||
|
|
`./defaults.sh`
|
||
|
|
|
||
|
|
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 4
|
||
|
|
+0 setsockopt(4, SOL_SOCKET, SO_ZEROCOPY, [1], 4) = 0
|
||
|
|
+0...0 connect(4, ..., ...) = 0
|
||
|
|
|
||
|
|
+0 > S 0:0(0) <mss 1460,sackOK,TS val 0 ecr 0,nop,wscale 8>
|
||
|
|
+0 < S. 0:0(0) ack 1 win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
|
||
|
|
+0 > . 1:1(0) ack 1
|
||
|
|
|
||
|
|
+0 send(4, ..., 4000, MSG_ZEROCOPY) = 4000
|
||
|
|
+0 > P. 1:4001(4000) ack 1
|
||
|
|
+0 < . 1:1(0) ack 4001 win 257
|
||
|
|
|
||
|
|
+0 recvmsg(4, {msg_name(...)=...,
|
||
|
|
msg_iov(1)=[{...,0}],
|
||
|
|
msg_flags=MSG_ERRQUEUE,
|
||
|
|
msg_control=[
|
||
|
|
{cmsg_level=CMSG_LEVEL_IP,
|
||
|
|
cmsg_type=CMSG_TYPE_RECVERR,
|
||
|
|
cmsg_data={ee_errno=0,
|
||
|
|
ee_origin=SO_EE_ORIGIN_ZEROCOPY,
|
||
|
|
ee_type=0,
|
||
|
|
ee_code=SO_EE_CODE_ZEROCOPY_COPIED,
|
||
|
|
ee_info=0,
|
||
|
|
ee_data=0}}
|
||
|
|
]}, MSG_ERRQUEUE) = 0
|