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Davide Caratti 37198e93ce net: mptcp: make DACK4/DACK8 usage consistent among all subflows 
using packetdrill it's possible to observe the same MPTCP DSN being acked
by different subflows with DACK4 and DACK8. This is in contrast with what
specified in RFC8684 §3.3.2: if an MPTCP endpoint transmits a 64-bit wide
DSN, it MUST be acknowledged with a 64-bit wide DACK. Fix 'use_64bit_ack'
variable to make it a property of MPTCP sockets, not TCP subflows.

Fixes: a0c1d0eafd1e ("mptcp: Use 32-bit DATA_ACK when possible")
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-09 08:25:48 -07:00
..
6lowpan
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
9p
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
802
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8021q
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
appletalk
appletalk: Fix atalk_proc_init() return path
2020-08-03 15:48:32 -07:00
atm
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ax25
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
batman-adv
batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh
2020-09-15 10:05:24 +02:00
bluetooth
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
bpf
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
bpfilter
Merge branch 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-08-04 14:27:25 -07:00
bridge
bridge: Netlink interface fix.
2020-10-08 12:05:07 -07:00
caif
net: caif: fix error code handling
2020-08-25 07:50:25 -07:00
can
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ceph
libceph: use sendpage_ok() in ceph_tcp_sendpage()
2020-10-02 15:27:08 -07:00
core
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
2020-10-08 12:05:37 -07:00
dcb
net: DCB: Validate DCB_ATTR_DCB_BUFFER argument
2020-09-10 15:09:08 -07:00
dccp
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
decnet
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
dns_resolver
docs: networking: convert dns_resolver.txt to ReST
2020-04-28 14:39:46 -07:00
dsa
net: mscc: ocelot: add locking for the port TX timestamp ID
2020-09-18 13:52:33 -07:00
ethernet
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
ethtool
ethtool: mark netlink family as __ro_after_init
2020-09-28 18:52:50 -07:00
hsr
hsr: avoid newline at end of message in NL_SET_ERR_MSG_MOD
2020-09-09 11:15:26 -07:00
ieee802154
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ife
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ipv4
tcp: fix receive window update in tcp_add_backlog()
2020-10-06 06:11:58 -07:00
ipv6
ipv6: route: convert comma to semicolon
2020-09-21 14:52:18 -07:00
iucv
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
kcm
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
key
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
l2tp
l2tp: improve API documentation in l2tp_core.h
2020-07-30 16:45:31 -07:00
l3mdev
net: Fix some comments
2020-08-27 07:55:59 -07:00
lapb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
llc
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
mac80211
mac80211: fix 80 MHz association to 160/80+80 AP on 6 GHz
2020-09-18 14:01:24 +02:00
mac802154
Merge tag 'ieee802154-for-davem-2020-09-08' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
2020-09-08 20:12:58 -07:00
mpls
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
mptcp
net: mptcp: make DACK4/DACK8 usage consistent among all subflows
2020-10-09 08:25:48 -07:00
ncsi
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
netfilter
netfilter: nft_meta: use socket user_ns to retrieve skuid and skgid
2020-09-08 13:04:56 +02:00
netlabel
netlabel: fix problems with mapping removal
2020-08-24 16:08:00 -07:00
netlink
netlink: fix policy dump leak
2020-10-02 13:00:38 -07:00
netrom
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nfc
net/nfc/rawsock.c: add CAP_NET_RAW check.
2020-08-11 10:34:30 -07:00
nsh
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
openvswitch
openvswitch: handle DNAT tuple collision
2020-10-08 12:20:35 -07:00
packet
net/packet: fix overflow in tpacket_rcv
2020-09-04 11:56:02 -07:00
phonet
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
psample
net: psample: fix build error when CONFIG_INET is not enabled
2020-05-23 16:36:05 -07:00
qrtr
net: qrtr: ns: Fix the incorrect usage of rcu_read_lock()
2020-10-06 06:01:35 -07:00
rds
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
rfkill
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rose
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
rxrpc
rxrpc: Fix server keyring leak
2020-10-05 17:09:22 +01:00
sched
net_sched: check error pointer in tcf_dump_walker()
2020-10-04 14:53:06 -07:00
sctp
sctp: fix sctp_auth_init_hmacs() error path
2020-10-08 12:19:51 -07:00
smc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
strparser
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sunrpc
SUNRPC: Fix svc_flush_dcache()
2020-09-21 10:13:25 -04:00
switchdev
net: switchdev: Fixed kerneldoc warning
2020-09-23 17:46:31 -07:00
tipc
net: tipc: kerneldoc fixes
2020-09-15 13:33:04 -07:00
tls
net/tls: race causes kernel panic
2020-09-24 20:06:29 -07:00
unix
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
vmw_vsock
vsock: fix potential null pointer dereference in vsock_poll()
2020-08-12 12:56:06 -07:00
wimax
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wireless
net: wireless: nl80211: fix out-of-bounds access in nl80211_del_key()
2020-10-08 12:37:25 +02:00
x25
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xdp
xsk: Do not discard packet when NETDEV_TX_BUSY
2020-09-16 23:36:58 +02:00
xfrm
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
2020-09-28 12:25:42 -07:00
compat.c
net/scm: Fix typo in SCM_RIGHTS compat refactoring
2020-08-07 12:43:25 -07:00
devres.c
net: devres: rename the release callback of devm_register_netdev()
2020-06-30 15:57:34 -07:00
Kconfig
net: ethtool: Remove PHYLIB direct dependency
2020-07-07 15:41:05 -07:00
Makefile
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
socket.c
net: add WARN_ONCE in kernel_sendpage() for improper zero-copy send
2020-10-02 15:27:08 -07:00
sysctl_net.c
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