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Xin Long 10f585740c tipc: fix implicit-connect for SYN+
[ Upstream commit f8dd60de194817c86bf812700980762bb5a8d9a4 ]

For implicit-connect, when it's either SYN- or SYN+, an ACK should
be sent back to the client immediately. It's not appropriate for
the client to enter established state only after receiving data
from the server.

On client side, after the SYN is sent out, tipc_wait_for_connect()
should be called to wait for the ACK if timeout is set.

This patch also restricts __tipc_sendstream() to call __sendmsg()
only when it's in TIPC_OPEN state, so that the client can program
in a single loop doing both connecting and data sending like:

  for (...)
      sendmsg(dest, buf);

This makes the implicit-connect more implicit.

Fixes: b97bf3fd8f ("[TIPC] Initial merge")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-08-04 12:46:42 +02:00
arch alpha: register early reserved memory in memblock 2021-08-04 12:46:40 +02:00
block blk-iocost: fix operation ordering in iocg_wake_fn() 2021-08-04 12:46:41 +02:00
certs certs: add 'x509_revocation_list' to gitignore 2021-07-20 16:05:35 +02:00
crypto crypto: sm2 - fix a memory leak in sm2 2021-07-14 16:56:06 +02:00
Documentation Documentation: Fix intiramfs script name 2021-07-28 14:35:47 +02:00
drivers i40e: Fix log TC creation failure when max num of queues is exceeded 2021-08-04 12:46:42 +02:00
fs ocfs2: issue zeroout to EOF blocks 2021-08-04 12:46:40 +02:00
include bpf: Fix OOB read when printing XDP link fdinfo 2021-08-04 12:46:41 +02:00
init sched/core: Initialize the idle task with preemption disabled 2021-07-14 16:55:50 +02:00
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-26 12:06:54 +02:00
kernel rcu-tasks: Don't delete holdouts within trc_wait_for_one_reader() 2021-07-31 08:16:11 +02:00
lib net: add kcov handle to skb extensions 2021-07-28 14:35:33 +02:00
LICENSES
mm memblock: make for_each_mem_range() traverse MEMBLOCK_HOTPLUG regions 2021-07-28 14:35:46 +02:00
net tipc: fix implicit-connect for SYN+ 2021-08-04 12:46:42 +02:00
samples samples/bpf: Fix the error return code of xdp_redirect's main() 2021-07-14 16:56:23 +02:00
scripts kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set 2021-07-25 14:36:16 +02:00
security smackfs: restrict bytes count in smk_set_cipso() 2021-07-19 09:45:03 +02:00
sound ALSA: pcm: Fix mmap capability check 2021-07-28 14:35:43 +02:00
tools selftest: fix build error in tools/testing/selftests/vm/userfaultfd.c 2021-08-04 12:46:39 +02:00
usr
virt KVM: add missing compat KVM_CLEAR_DIRTY_LOG 2021-08-04 12:46:39 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild
Kconfig
MAINTAINERS f2fs: move ioctl interface definitions to separated file 2021-05-19 10:13:00 +02:00
Makefile Linux 5.10.55 2021-07-31 08:16:13 +02:00
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