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Menglong Dong c558246ee7 mptcp: add statistics for mptcp socket in use 
Do the statistics of mptcp socket in use with sock_prot_inuse_add().
Therefore, we can get the count of used mptcp socket from
/proc/net/protocols:

& cat /proc/net/protocols
protocol  size sockets  memory press maxhdr  slab module     cl co di ac io in de sh ss gs se re sp bi br ha uh gp em
MPTCPv6   2048      0       0   no       0   yes  kernel      y  n  y  y  y  y  y  y  y  y  y  y  n  n  n  y  y  y  n
MPTCP     1896      1       0   no       0   yes  kernel      y  n  y  y  y  y  y  y  y  y  y  y  n  n  n  y  y  y  n

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-09 07:30:50 +00:00
..
6lowpan
…
9p
9p-for-6.2-rc1
2022-12-23 11:39:18 -08:00
802
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
8021q
net: Remove the obsolte u64_stats_fetch_*_irq() users (net).
2022-10-28 20:13:54 -07:00
appletalk
…
atm
driver core: make struct class.dev_uevent() take a const *
2022-11-24 17:12:15 +01:00
ax25
ax25: af_ax25: Remove unnecessary (void*) conversions
2022-11-16 13:31:03 +00:00
batman-adv
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
bluetooth
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
bpf
New Feature:
2022-12-17 14:06:53 -06:00
bpfilter
…
bridge
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
caif
caif: fix memory leak in cfctrl_linkup_request()
2023-01-05 10:19:36 +01:00
can
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
ceph
Treewide: Stop corrupting socket's task_frag
2022-12-19 17:28:49 -08:00
core
sysctl: expose all net/core sysctls inside netns
2023-01-06 12:41:52 +00:00
dcb
net: dcb: move getapptrust to separate function
2022-11-15 15:27:43 +01:00
dccp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-11-29 13:04:52 -08:00
devlink
devlink: allow registering parameters after the instance
2023-01-06 12:56:19 +00:00
dns_resolver
cred: Do not default to init_cred in prepare_kernel_cred()
2022-11-01 10:04:52 -07:00
dsa
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-12-13 09:49:29 +01:00
ethernet
net: ethernet: use sysfs_emit() to instead of scnprintf()
2022-12-07 20:02:44 -08:00
ethtool
net/ethtool/ioctl: split ethtool_get_phy_stats into multiple helpers
2022-12-28 11:55:24 +00:00
hsr
hsr: Use a single struct for self_node.
2022-12-01 20:26:22 -08:00
ieee802154
Merge tag 'ieee802154-for-net-next-2022-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan-next
2022-12-07 17:33:26 -08:00
ife
…
ipv4
Including fixes from bpf, wifi, and netfilter.
2023-01-05 12:40:50 -08:00
ipv6
net: ipv6: rpl_iptunnel: Replace 0-length arrays with flexible arrays
2023-01-06 19:28:01 -08:00
iucv
…
kcm
kcm: close race conditions on sk_receive_queue
2022-11-15 12:42:26 +01:00
key
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2022-11-29 20:50:51 -08:00
l2tp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-11-29 13:04:52 -08:00
l3mdev
…
lapb
…
llc
…
mac80211
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
mac802154
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-12-08 18:19:59 -08:00
mctp
mctp: Remove device type check at unregister
2022-12-19 17:20:22 -08:00
mpls
net: Remove the obsolte u64_stats_fetch_*_irq() users (net).
2022-10-28 20:13:54 -07:00
mptcp
mptcp: add statistics for mptcp socket in use
2023-01-09 07:30:50 +00:00
ncsi
net/ncsi: Silence runtime memcpy() false positive warning
2022-12-06 17:29:14 -08:00
netfilter
netlink: add macro for checking dump ctx size
2023-01-05 22:13:39 -08:00
netlabel
…
netlink
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
netrom
…
nfc
nfc: Fix potential resource leaks
2022-12-26 09:09:23 +00:00
nsh
…
openvswitch
net: openvswitch: release vport resources on failure
2022-12-21 17:48:12 -08:00
packet
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
phonet
…
psample
…
qrtr
…
rds
rds: remove redundant variable total_payload_len
2022-11-04 10:09:50 +00:00
rfkill
driver core: make struct class.dev_uevent() take a const *
2022-11-24 17:12:15 +01:00
rose
rose: Fix NULL pointer dereference in rose_send_frame()
2022-11-02 11:57:30 +00:00
rxrpc
rxrpc: Fix a couple of potential use-after-frees
2022-12-28 09:59:23 +00:00
sched
Including fixes from bpf, wifi, and netfilter.
2023-01-05 12:40:50 -08:00
sctp
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
smc
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
strparser
…
sunrpc
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
switchdev
…
tipc
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
tls
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
unix
unix: Fix race in SOCK_SEQPACKET's unix_dgram_sendmsg()
2022-12-15 11:35:18 +01:00
vmw_vsock
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
wireless
Driver Core changes for 6.2-rc1
2022-12-16 03:54:54 -08:00
x25
net/x25: Fix skb leak in x25_lapb_receive_frame()
2022-11-15 20:22:19 -08:00
xdp
bpf: Expand map key argument of bpf_redirect_map to u64
2022-11-15 09:00:27 -08:00
xfrm
Treewide: Stop corrupting socket's task_frag
2022-12-19 17:28:49 -08:00
compat.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
devres.c
…
Kconfig
…
Kconfig.debug
net: make NET_(DEV|NS)_REFCNT_TRACKER depend on NET
2022-09-20 14:23:56 -07:00
Makefile
devlink: move code to a dedicated directory
2023-01-05 22:12:00 -08:00
socket.c
Networking changes for 6.2.
2022-12-13 15:47:48 -08:00
sysctl_net.c
…