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1// SPDX-License-Identifier: GPL-2.02// batch zerocopy test:3//4// send multiple packets, then read one range of all notifications.5 6`./defaults.sh`7 8 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 39 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 010 +0 setsockopt(3, SOL_SOCKET, SO_ZEROCOPY, [1], 4) = 011 +0 bind(3, ..., ...) = 012 +0 listen(3, 1) = 013 14 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>15 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>16 +0 < . 1:1(0) ack 1 win 25717 18 +0 accept(3, ..., ...) = 419 +0 setsockopt(4, SOL_SOCKET, SO_MARK, [666], 4) = 020 21 +0 send(4, ..., 4000, MSG_ZEROCOPY) = 400022 +0 > P. 1:4001(4000) ack 123 +0 < . 1:1(0) ack 4001 win 25724 25 +0 send(4, ..., 4000, MSG_ZEROCOPY) = 400026 +0 > P. 4001:8001(4000) ack 127 +0 < . 1:1(0) ack 8001 win 25728 29 +0 recvmsg(4, {msg_name(...)=...,30 msg_iov(1)=[{...,0}],31 msg_flags=MSG_ERRQUEUE,32 msg_control=[33 {cmsg_level=CMSG_LEVEL_IP,34 cmsg_type=CMSG_TYPE_RECVERR,35 cmsg_data={ee_errno=0,36 ee_origin=SO_EE_ORIGIN_ZEROCOPY,37 ee_type=0,38 ee_code=SO_EE_CODE_ZEROCOPY_COPIED,39 ee_info=0,40 ee_data=1}}41 ]}, MSG_ERRQUEUE) = 042