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Matthieu Baerts 67b12f792d mptcp: full fully established support after ADD_ADDR 
If directly after an MP_CAPABLE 3WHS, the client receives an ADD_ADDR
with HMAC from the server, it is enough to switch to a "fully
established" mode because it has received more MPTCP options.

It was then OK to enable the "fully_established" flag on the MPTCP
socket. Still, best to check if the ADD_ADDR looks valid by looking if
it contains an HMAC (no 'echo' bit). If an ADD_ADDR echo is received
while we are not in "fully established" mode, it is strange and then
we should not switch to this mode now.

But that is not enough. On one hand, the path-manager has be notified
the state has changed. On the other hand, the "fully_established" flag
on the subflow socket should be turned on as well not to re-send the
MP_CAPABLE 3rd ACK content with the next ACK.

Fixes: 84dfe3677a ("mptcp: send out dedicated ADD_ADDR packet")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2021-08-19 12:16:54 +01:00
..
6lowpan 6lowpan: Fix some typos in nhc_udp.c 2021-03-24 17:52:11 -07:00
9p 9p/trans_virtio: Fix spelling mistakes 2021-06-02 14:01:55 -07:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-01 11:21:57 -07:00
8021q net: vlan: pass thru all GSO_SOFTWARE in hw_enc_features 2021-06-18 11:58:03 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25 net/ax25: Delete obsolete TODO file 2021-03-30 16:54:50 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bluetooth Bluetooth: defer cleanup of resources in hci_unregister_dev() 2021-08-05 12:15:24 -07:00
bpf bpf: Add missing bpf_read_[un]lock_trace() for syscall program 2021-08-10 10:10:49 +02:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: fix memleak in br_add_if() 2021-08-10 13:25:14 -07:00
caif net: fix uninit-value in caif_seqpkt_sendmsg 2021-07-15 11:08:33 -07:00
can can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to 750ms 2021-07-24 19:02:24 +02:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core net: linkwatch: fix failure to restore device state across suspend/resume 2021-08-11 14:43:16 -07:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp dccp: add do-while-0 stubs for dccp_pr_debug macros 2021-08-09 10:00:02 +01:00
decnet net: decnet: Fix sleeping inside in af_decnet 2021-07-16 14:06:16 -07:00
dns_resolver
…
dsa net: switchdev: zero-initialize struct switchdev_notifier_fdb_info emitted by drivers towards the bridge 2021-08-10 13:22:57 -07:00
ethernet of: net: pass the dst buffer to of_get_mac_address() 2021-04-13 14:35:02 -07:00
ethtool net: sock: extend SO_TIMESTAMPING for PHC binding 2021-07-01 13:08:18 -07:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 net: Fix memory leak in ieee802154_raw_deliver 2021-08-10 12:18:10 +02:00
ife
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ipv4 net: igmp: increase size of mr_ifc_count 2021-08-11 15:54:10 -07:00
ipv6 ipv6: decrease hop limit counter in ip6_forward() 2021-07-23 16:40:41 +01:00
iucv s390: iucv: Avoid field over-reading memcpy() 2021-07-01 15:54:01 -07:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key net: Remove unnecessary variables 2021-05-26 07:03:39 +02:00
l2tp l2tp: Fix spelling mistakes 2021-06-07 14:08:30 -07:00
l3mdev l3mdev: Correct function names in the kerneldoc comments 2021-03-28 17:56:55 -07:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc net: llc: fix skb_over_panic 2021-07-27 13:05:56 +01:00
mac80211 mac80211: fix locking in ieee80211_restart_work() 2021-08-17 06:51:43 -07:00
mac802154 net: mac802154: Fix general protection fault 2021-04-06 22:42:16 +02:00
mpls mpls: Remove redundant assignment to err 2021-04-27 14:17:00 -07:00
mptcp mptcp: full fully established support after ADD_ADDR 2021-08-19 12:16:54 +01:00
ncsi net/ncsi: add dummy response handler for Intel boards 2021-07-08 14:16:39 -07:00
netfilter netfilter: nfnetlink_hook: translate inet ingress to netdev 2021-08-06 17:07:41 +02:00
netlabel netlabel: Fix memory leak in netlbl_mgmt_add_common 2021-06-15 11:19:04 -07:00
netlink net: Use nlmsg_unicast() instead of netlink_unicast() 2021-07-13 09:28:29 -07:00
netrom netrom: Decrease sock refcount when sock timers expire 2021-07-18 09:48:59 -07:00
nfc TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
nsh
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openvswitch ovs: clear skb->tstamp in forwarding path 2021-08-18 11:31:13 +01:00
packet Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
phonet
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psample psample: Add additional metadata attributes 2021-03-14 15:00:43 -07:00
qrtr net: really fix the build... 2021-08-03 11:14:03 +01:00
rds net/rds: dma_map_sg is entitled to merge entries 2021-08-18 15:35:50 -07:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose net: rose: Fix fall-through warnings for Clang 2021-03-10 12:45:15 -08:00
rxrpc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
sched sch_cake: fix srchost/dsthost hashing mode 2021-08-18 10:14:00 +01:00
sctp sctp: move the active_key update after sh_keys is added 2021-08-03 11:43:43 +01:00
smc net/smc: Correct smc link connection counter in case of smc client 2021-08-09 10:46:59 +01:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
switchdev net: switchdev: add a context void pointer to struct switchdev_notifier_info 2021-06-28 14:09:03 -07:00
tipc tipc: call tipc_wait_for_connect only when dlen is not 0 2021-08-16 11:20:56 +01:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix af_unix: fix garbage collect vs MSG_PEEK 2021-07-28 10:18:00 -07:00
vmw_vsock vsock/virtio: avoid potential deadlock when vsock device remove 2021-08-12 10:57:27 -07:00
wireless cfg80211: Fix possible memory leak in function cfg80211_bss_update 2021-07-23 10:38:18 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2021-08-04 10:45:41 +01:00
Kconfig bpf, kconfig: Add consolidated menu entry for bpf with core options 2021-05-11 13:56:16 -07:00
Makefile
…
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
socket.c net: socket: support hardware timestamp conversion to PHC bound 2021-07-01 13:08:18 -07:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00