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R. Parameswaran b25415f9f0 New kernel function to get IP overhead on a socket. 
commit 113c3075931a334f899008f6c753abe70a3a9323 upstream.

A new function, kernel_sock_ip_overhead(), is provided
to calculate the cumulative overhead imposed by the IP
Header and IP options, if any, on a socket's payload.
The new function returns an overhead of zero for sockets
that do not belong to the IPv4 or IPv6 address families.
This is used in the L2TP code path to compute the
total outer IP overhead on the L2TP tunnel socket when
calculating the default MTU for Ethernet pseudowires.

Signed-off-by: R. Parameswaran <rparames@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Giuliano Procida <gprocida@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-27 16:41:54 +02:00
..
6lowpan
6lowpan: Off by one handling ->nexthdr
2020-01-29 10:24:22 +01:00
9p
9p/virtio: Add cleanup path in p9_virtio_init
2019-08-04 09:33:28 +02:00
802
…
8021q
vlan: fix memory leak in vlan_dev_set_egress_priority
2020-01-12 11:24:27 +01:00
appletalk
appletalk: Set error code if register_snap_client failed
2019-12-21 10:41:45 +01:00
atm
net: atm: Fix potential Spectre v1 vulnerabilities
2019-04-27 09:34:40 +02:00
ax25
ax25: enforce CAP_NET_RAW for raw sockets
2019-10-05 12:30:15 +02:00
batman-adv
batman-adv: Fix refcnt leak in batadv_v_ogm_process
2020-05-20 08:15:29 +02:00
bluetooth
Bluetooth: RFCOMM: fix ODEBUG bug in rfcomm_dev_ioctl
2020-04-13 10:32:57 +02:00
bridge
netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
2020-01-29 10:24:24 +01:00
caif
caif: reduce stack size with KASAN
2019-05-08 07:19:07 +02:00
can
can: purge socket error queue on sock destruct
2019-07-10 09:55:33 +02:00
ceph
libceph: use kbasename() and kill ceph_file_part()
2019-08-11 12:22:15 +02:00
core
netprio_cgroup: Fix unlimited memory leak of v2 cgroups
2020-05-20 08:15:39 +02:00
dcb
net: dcb: For wild-card lookups, use priority -1, not 0
2018-09-19 22:47:15 +02:00
dccp
net: ipv6: add net argument to ip6_dst_lookup_flow
2020-05-20 08:15:30 +02:00
decnet
decnet: fix DN_IFREQ_SIZE
2019-12-05 15:35:12 +01:00
dns_resolver
KEYS: DNS: fix parsing multiple options
2018-07-22 14:27:39 +02:00
dsa
net: dsa: tag_brcm: Fix skb->fwd_offload_mark location
2020-04-13 10:32:53 +02:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-12 11:24:19 +01:00
hsr
hsr: check protocol version in hsr_newlink()
2020-04-24 07:59:02 +02:00
ieee802154
nl802154: add missing attribute validation for dev_type
2020-03-20 09:07:39 +01:00
ipv4
net: ipv4: really enforce backoff for redirects
2020-05-20 08:15:39 +02:00
ipv6
Revert "ipv6: add mtu lock check in __ip6_rt_update_pmtu"
2020-05-20 08:15:39 +02:00
ipx
ipx: call ipxitf_put() in ioctl error path
2017-05-25 15:44:41 +02:00
irda
irda: Only insert new objects into the global database via setsockopt
2018-09-15 09:43:01 +02:00
iucv
net/af_iucv: always register net_device notifier
2020-01-29 10:24:26 +01:00
kcm
kcm: switch order of device registration to fix a crash
2019-04-17 08:36:44 +02:00
key
xfrm: clean up xfrm protocol checks
2019-09-16 08:19:32 +02:00
l2tp
net: l2tp: ppp: change PPPOL2TP_MSG_* => L2TP_MSG_*
2020-05-27 16:41:54 +02:00
l3mdev
net: ipv6: Remove l3mdev_get_saddr6
2016-09-10 23:12:53 -07:00
lapb
lapb: fixed leak of control-blocks.
2019-06-22 08:17:22 +02:00
llc
llc: fix sk_buff refcounting in llc_conn_state_process()
2020-01-29 10:24:33 +01:00
mac80211
mac80211: add ieee80211_is_any_nullfunc()
2020-05-10 10:28:03 +02:00
mac802154
net: mac802154: tx: expand tailroom if necessary
2018-09-09 20:01:19 +02:00
mpls
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2020-05-20 08:15:30 +02:00
ncsi
net/ncsi: Improve HNCDSC AEN handler
2016-10-20 11:23:08 -04:00
netfilter
netfilter: conntrack: avoid gcc-10 zero-length-bounds warning
2020-05-20 08:15:36 +02:00
netlabel
netlabel: cope with NULL catmap
2020-05-20 08:15:39 +02:00
netlink
net: netlink: cap max groups which will be considered in netlink_bind()
2020-03-11 07:53:07 +01:00
netrom
net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
2020-05-02 17:23:08 +02:00
nfc
nfc: add missing attribute validation for vendor subcommand
2020-03-20 09:07:40 +01:00
openvswitch
openvswitch: support asymmetric conntrack
2019-12-21 10:42:23 +01:00
packet
packet: fix data-race in fanout_flow_is_huge()
2020-01-29 10:24:35 +01:00
phonet
phonet: fix building with clang
2019-03-23 13:19:44 +01:00
qrtr
net: qrtr: send msgs from local of same id as broadcast
2020-04-24 07:59:02 +02:00
rds
net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
2020-01-29 10:24:32 +01:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2020-01-12 11:24:23 +01:00
rose
net: rose: fix a possible stack overflow
2019-04-03 06:24:14 +02:00
rxrpc
rxrpc: Fix service call disconnection
2020-02-14 16:31:08 -05:00
sched
sch_sfq: validate silly quantum values
2020-05-20 08:15:25 +02:00
sctp
net: ipv6: add net argument to ip6_dst_lookup_flow
2020-05-20 08:15:30 +02:00
strparser
strparser: Fix incorrect strp->need_bytes value.
2018-04-29 11:32:02 +02:00
sunrpc
xprtrdma: Fix backchannel allocation of extra rpcrdma_reps
2020-05-10 10:28:03 +02:00
switchdev
switchdev: Execute bridge ndos only for bridge ports
2016-10-19 10:58:04 -04:00
tipc
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2020-05-20 08:15:30 +02:00
unix
net: fix warning in af_unix
2019-11-28 18:28:28 +01:00
vmw_vsock
VSOCK: bind to random port for VMADDR_PORT_ANY
2019-12-05 15:34:26 +01:00
wimax
…
wireless
cfg80211: check reg_rule for NULL in handle_channel_custom()
2020-03-20 09:07:57 +01:00
x25
net/x25: Fix x25_neigh refcnt leak when receiving frame
2020-05-02 17:23:08 +02:00
xfrm
xfrm: policy: Fix doulbe free in xfrm_policy_timer
2020-04-02 17:20:34 +02:00
compat.c
sock: Make sock->sk_stamp thread-safe
2019-01-09 16:16:41 +01:00
Kconfig
…
Makefile
…
socket.c
New kernel function to get IP overhead on a socket.
2020-05-27 16:41:54 +02:00
sysctl_net.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-10-06 09:52:23 -07:00