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fedbb6b4ff341c1e2120f4ffbf367fd78ac3e8f3
linux/include/net
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Shmulik Ladkani fedbb6b4ff ipv4: Fix ip_skb_dst_mtu to use the sk passed by ip_finish_output 
ip_skb_dst_mtu uses skb->sk, assuming it is an AF_INET socket (e.g. it
calls ip_sk_use_pmtu which casts sk as an inet_sk).

However, in the case of UDP tunneling, the skb->sk is not necessarily an
inet socket (could be AF_PACKET socket, or AF_UNSPEC if arriving from
tun/tap).

OTOH, the sk passed as an argument throughout IP stack's output path is
the one which is of PMTU interest:
 - In case of local sockets, sk is same as skb->sk;
 - In case of a udp tunnel, sk is the tunneling socket.

Fix, by passing ip_finish_output's sk to ip_skb_dst_mtu.
This augments 7026b1ddb6 'netfilter: Pass socket pointer down through okfn().'

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 09:02:48 -04:00
..
9p
9p: switch p9_client_read() to passing struct iov_iter *
2015-04-11 22:28:27 -04:00
bluetooth
Bluetooth: Add defines for SPI and I2C
2016-04-22 15:02:21 +02:00
caif
caif: fix a signedness bug in cfpkt_iterate()
2015-02-20 17:35:14 -05:00
irda
irda: Convert function pointer arrays and uses to const
2014-12-10 15:33:16 -05:00
iucv
s390/iucv: do not use arrays as argument
2015-09-21 16:03:04 -07:00
netfilter
netfilter: nf_tables: reject loops from set element jump to chain
2016-06-15 12:17:23 +02:00
netns
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
2016-06-01 17:54:19 -07:00
nfc
nfc: nci: Add nci_nfcc_loopback to the nci core
2016-05-04 01:48:16 +02:00
phonet
sock: struct proto hash function may error
2016-02-11 03:54:14 -05:00
sctp
sctp: signal sk_data_ready earlier on data chunks reception
2016-05-01 21:06:10 -04:00
tc_act
act_ife: only acquire tcf_lock for existing actions
2016-06-23 12:02:36 -04:00
6lowpan.h
6lowpan: move mac802154 header
2016-04-13 10:41:10 +02:00
act_api.h
mlx5: avoid unused variable warning
2016-05-20 11:23:49 -07:00
addrconf.h
inet: refactor inet[6]_lookup functions to take skb
2016-02-11 03:54:14 -05:00
af_ieee802154.h
ieee802154: af_ieee802154: fix typo in comment.
2015-09-17 13:20:05 +02:00
af_rxrpc.h
rxrpc: Differentiate local and remote abort codes in structs
2016-04-11 15:34:40 -04:00
af_unix.h
unix: correctly track in-flight fds in sending process user_struct
2016-02-08 10:30:42 -05:00
af_vsock.h
Revert "Merge branch 'vsock-virtio'"
2015-12-08 21:55:49 -05:00
ah.h
ipsec: Remove obsolete MAX_AH_AUTH_LEN
2014-09-18 10:54:36 +02:00
arp.h
neigh: Factor out ___neigh_lookup_noref
2015-03-04 00:23:23 -05:00
atmclip.h
…
ax25.h
ax25: Stop using sock->sk_protinfo.
2015-06-28 16:55:44 -07:00
ax88796.h
…
bond_3ad.h
bonding: 3ad: apply ad_actor settings changes immediately
2016-02-09 04:45:49 -05:00
bond_alb.h
net: Move bonding headers under include/net
2014-11-10 13:27:49 -05:00
bond_options.h
bonding: convert num_grat_arp to the new bonding option API
2015-07-27 01:05:24 -07:00
bonding.h
bonding: fix bond_get_stats()
2016-03-18 23:14:15 -04:00
busy_poll.h
net: un-inline sk_busy_loop()
2015-11-18 16:17:38 -05:00
cfg80211-wext.h
…
cfg80211.h
cfg80211: make wdev_list accessible to drivers
2016-05-12 11:16:40 +02:00
cfg802154.h
nl802154: add support for security layer
2015-09-30 13:16:44 +02:00
checksum.h
csum: Update csum_block_add to use rotate instead of byteswap
2016-03-13 15:01:00 -04:00
cipso_ipv4.h
cipso: don't use IPCB() to locate the CIPSO IP option
2015-02-11 14:46:37 -05:00
cls_cgroup.h
cls_cgroup: get sk_classid only from full sockets
2016-04-19 20:09:25 -04:00
codel_impl.h
codel: split into multiple files
2016-04-25 16:44:27 -04:00
codel_qdisc.h
codel: split into multiple files
2016-04-25 16:44:27 -04:00
codel.h
codel: split into multiple files
2016-04-25 16:44:27 -04:00
compat.h
packet: compat support for sock_fprog
2016-06-09 23:41:03 -07:00
datalink.h
net: Move prototype declaration to header file include/net/datalink.h from net/ipx/af_ipx.c
2014-02-09 17:32:50 -08:00
dcbevent.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
dcbnl.h
net/dcb: Add IEEE QCN attribute
2015-03-06 21:50:02 -05:00
devlink.h
devlink: fix sb register stub in case devlink is disabled
2016-04-15 12:57:29 -04:00
dn_dev.h
dn_dev: add support for IFA_FLAGS nl attribute
2013-12-10 21:50:00 -05:00
dn_fib.h
…
dn_neigh.h
netfilter: Pass net into okfn
2015-09-17 17:18:37 -07:00
dn_nsp.h
…
dn_route.h
net: Move prototype declaration to appropriate header file from decnet/af_decnet.c
2014-02-09 17:32:49 -08:00
dn.h
net: Move prototype declaration to header file include/net/dn.h from net/decnet/af_decnet.c
2014-02-09 17:32:49 -08:00
dsa.h
dsa: Rename switch chip data to cd
2016-05-11 19:36:28 -04:00
dsfield.h
…
dst_cache.h
net: add dst_cache support
2016-02-16 20:21:48 -05:00
dst_metadata.h
ip_tunnel: add support for setting flow label via collect metadata
2016-03-11 15:14:26 -05:00
dst_ops.h
ipv4, ipv6: Pass net into __ip_local_out and __ip6_local_out
2015-10-08 04:27:02 -07:00
dst.h
route: move lwtunnel state to a single place
2016-04-25 16:20:09 -04:00
esp.h
net: move pskb_put() to core code
2013-11-07 19:28:58 -05:00
ethoc.h
net/ethoc: support big-endian register layout
2015-09-23 15:33:15 -07:00
fib_rules.h
net: ipv6: use common fib_default_rule_pref
2015-09-09 14:19:50 -07:00
firewire.h
…
flow_dissector.h
net/flow_dissector: Make dissector_uses_key() and skb_flow_dissector_target() public
2016-03-10 16:24:02 -05:00
flow.h
ipv6, trace: fix tos reporting on fib6_table_lookup
2016-03-20 13:44:34 -04:00
flowcache.h
flowcache: Make flow cache name space aware
2014-02-12 07:02:11 +01:00
fou.h
fou: Add encap ops for IPv6 tunnels
2016-05-20 18:03:16 -04:00
fq_impl.h
fq: split out backlog update logic
2016-04-28 17:03:38 -04:00
fq.h
fq: add fair queuing framework
2016-04-25 16:45:53 -04:00
garp.h
…
gen_stats.h
sched: align nlattr properly when needed
2016-04-26 12:00:49 -04:00
genetlink.h
Revert "genl: Add genlmsg_new_unicast() for unicast message allocation"
2016-02-18 11:42:19 -05:00
geneve.h
geneve: break dependency with netdev drivers
2016-04-21 15:35:44 -04:00
gre.h
gre: fix error handler
2016-06-15 22:15:21 -07:00
gro_cells.h
gro_cells: remove spinlock protecting receive queues
2015-08-31 15:17:17 -07:00
gtp.h
gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)
2016-05-10 12:25:04 -04:00
gue.h
gue: Protocol constants for remote checksum offload
2014-11-05 16:30:03 -05:00
hwbm.h
net: add a hardware buffer management helper API
2016-03-14 12:19:46 -04:00
icmp.h
net: snmp: kill STATS_BH macros
2016-04-27 22:48:25 -04:00
ieee80211_radiotap.h
mac80211: propagate STBC / LDPC flags to radiotap
2014-02-06 09:34:58 +01:00
ieee802154_netdev.h
mac802154: constify ieee802154_llsec_ops structure
2016-01-04 20:40:41 +01:00
if_inet6.h
ipv6: do retries on stable privacy addresses
2015-03-23 22:12:09 -04:00
ila.h
ila: Add generic ILA translation facility
2015-12-15 23:25:20 -05:00
inet6_connection_sock.h
ipv6: remove unused in6_addr struct
2016-03-22 15:45:44 -04:00
inet6_hashtables.h
tcp/dccp: do not touch listener sk_refcnt under synflood
2016-04-04 22:11:20 -04:00
inet_common.h
ip4ip6: Support for GSO/GRO
2016-05-20 18:03:17 -04:00
inet_connection_sock.h
tcp/dccp: fix another race at listener dismantle
2016-02-18 11:35:51 -05:00
inet_ecn.h
ipv6: update skb->csum when CE mark is propagated
2016-01-15 15:07:23 -05:00
inet_frag.h
ipv4: namespacify ip fragment max dist sysctl knob
2016-02-16 20:42:54 -05:00
inet_hashtables.h
tcp/dccp: do not touch listener sk_refcnt under synflood
2016-04-04 22:11:20 -04:00
inet_sock.h
net: Allow accepted sockets to be bound to l3mdev domain
2015-12-18 14:43:38 -05:00
inet_timewait_sock.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2015-10-20 06:08:27 -07:00
inetpeer.h
inet: tcp: fix inetpeer_set_addr_v4()
2015-12-16 00:14:12 -05:00
ip6_checksum.h
ipv6: Pass proto to csum_ipv6_magic as __u8 instead of unsigned short
2016-03-13 23:55:13 -04:00
ip6_fib.h
ipv6: Check rt->dst.from for the DST_NOCACHE route
2015-11-15 17:12:37 -05:00
ip6_route.h
net: vrf: Fix dst reference counting
2016-04-11 15:56:20 -04:00
ip6_tunnel.h
ipv6: hide ip6_encap_hlen/ip6_tnl_encap definitions
2016-05-29 22:24:21 -07:00
ip_fib.h
route: check and remove route cache when we get route
2016-02-18 11:31:36 -05:00
ip_tunnels.h
net: Cleanup encap items in ip_tunnels.h
2016-05-20 18:03:16 -04:00
ip_vs.h
ipvs: update real-server binding of outgoing connections in SIP-pe
2016-06-06 09:47:25 +09:00
ip.h
ipv4: Fix ip_skb_dst_mtu to use the sk passed by ip_finish_output
2016-06-30 09:02:48 -04:00
ipcomp.h
…
ipconfig.h
…
ipv6.h
ipv6: add new struct ipcm6_cookie
2016-05-03 16:08:14 -04:00
ipx.h
switch ipxrtr_route_packet() from iovec to msghdr
2014-11-24 04:28:49 -05:00
iw_handler.h
cfg80211/wext: fix message ordering
2016-01-29 17:13:43 +01:00
kcm.h
kcm: mark helper functions inline
2016-03-10 14:42:03 -05:00
l3mdev.h
net: l3mdev: Add hook in ip and ipv6
2016-05-11 19:31:40 -04:00
lapb.h
…
lib80211.h
lib80211: remove unused print_ssid()
2014-10-14 02:18:27 +02:00
llc_c_ac.h
…
llc_c_ev.h
…
llc_c_st.h
llc: Make llc_conn_ev_qfyr_t function pointer arrays const
2014-12-10 15:21:24 -05:00
llc_conn.h
net: Pass kern from net_proto_family.create to sk_alloc
2015-05-11 10:50:17 -04:00
llc_if.h
…
llc_pdu.h
net: llc: fix order of evaluation in llc_conn_ac_inc_vr_by_1
2014-01-01 22:22:43 -05:00
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
llc: Make llc_sap_action_t function pointer arrays const
2014-12-10 15:21:24 -05:00
llc_sap.h
…
llc.h
llc: make lock static
2014-01-03 20:56:48 -05:00
lwtunnel.h
lwtunnel: autoload of lwt modules
2016-02-21 22:00:28 -05:00
mac80211.h
mac80211: allow software PS-Poll/U-APSD with AP_LINK_PS
2016-05-12 11:16:55 +02:00
mac802154.h
ieee802154: add short address helpers
2016-04-13 10:41:08 +02:00
mip6.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
mld.h
ipv6: mld: answer mldv2 queries with mldv1 reports in mldv1 fallback
2014-09-22 16:23:15 -04:00
mpls_iptunnel.h
mpls: multipath route support
2015-10-23 06:26:42 -07:00
mpls.h
openvswitch: Add basic MPLS support to kernel
2014-11-05 23:52:33 -08:00
mrp.h
…
ndisc.h
Revert "ipv6: ndisc: inherit metadata dst when creating ndisc requests"
2015-12-01 15:07:59 -05:00
neighbour.h
net: add explicit logging and stat for neighbour table overflow
2015-08-10 13:46:21 -07:00
net_namespace.h
netfilter: cttimeout: add netns support
2015-12-14 12:48:58 +01:00
net_ratelimit.h
…
netevent.h
…
netlabel.h
netlabel: fix the netlbl_catmap_setlong() dummy function
2014-08-07 20:55:21 -04:00
netlink.h
netlink: kill nla_put_u64()
2016-05-16 13:46:23 -04:00
netprio_cgroup.h
net: wrap sock->sk_cgrp_prioidx and ->sk_classid inside a struct
2015-12-08 22:02:33 -05:00
netrom.h
…
nexthop.h
…
nl802154.h
libnl: nla_put_le64(): align on a 64-bit area
2016-04-23 20:13:24 -04:00
p8022.h
…
ping.h
net: ping: make ping_v6_sendmsg static
2016-03-23 22:09:58 -04:00
pkt_cls.h
net: sched: fix tc_should_offload for specific clsact classes
2016-06-07 16:59:53 -07:00
pkt_sched.h
net_sched: avoid too many hrtimer_start() calls
2016-05-24 14:49:14 -07:00
protocol.h
udp: Remove udp_offloads
2016-04-07 16:53:30 -04:00
psnap.h
…
raw.h
sock: struct proto hash function may error
2016-02-11 03:54:14 -05:00
rawv6.h
…
red.h
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
regulatory.h
cfg80211: allow wiphy specific regdomain management
2014-12-17 11:49:55 +01:00
request_sock.h
inet: reqsk_alloc() needs to take care of dead listeners
2016-04-04 22:11:19 -04:00
rose.h
…
route.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-04-23 18:51:33 -04:00
rtnetlink.h
net: rtnetlink: add linkxstats callbacks and attribute
2016-05-02 22:27:06 -04:00
sch_generic.h
net: sched: fix tc_should_offload for specific clsact classes
2016-06-07 16:59:53 -07:00
scm.h
unix: correctly track in-flight fds in sending process user_struct
2016-02-08 10:30:42 -05:00
secure_seq.h
inetpeer: get rid of ip_id_count
2014-06-02 11:00:41 -07:00
slhc_vj.h
…
snmp.h
net: snmp: fix 64bit stats on 32bit arches
2016-04-28 11:49:45 -04:00
sock_reuseport.h
soreuseport: fix NULL ptr dereference SO_REUSEPORT after bind
2016-01-19 14:44:23 -05:00
sock.h
net: sock: move ->sk_shutdown out of bitfields.
2016-05-20 18:05:32 -04:00
Space.h
drivers: net: Include new header file in sbni.c
2013-12-19 18:51:20 -05:00
stp.h
…
switchdev.h
switchdev: pass pointer to fib_info instead of copy
2016-05-17 13:58:49 -04:00
tcp_states.h
inet: add TCP_NEW_SYN_RECV state
2015-03-12 22:58:12 -04:00
tcp.h
net: l3mdev: Add hook in ip and ipv6
2016-05-11 19:31:40 -04:00
timewait_sock.h
inet: remove BUG_ON() in twsk_destructor()
2015-07-09 15:12:20 -07:00
transp_v6.h
ipv6: add new struct ipcm6_cookie
2016-05-03 16:08:14 -04:00
tso.h
net: tso: add support for IPv6
2015-10-26 22:24:22 -07:00
udp_tunnel.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-05-09 15:59:24 -04:00
udp.h
net: snmp: kill STATS_BH macros
2016-04-27 22:48:25 -04:00
udplite.h
net: switch memcpy_fromiovec()/memcpy_fromiovecend() users to copy_from_iter()
2015-02-04 01:34:15 -05:00
vsock_addr.h
…
vxlan.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-05-04 00:52:29 -04:00
wext.h
…
wimax.h
net: treewide: Fix typo found in DocBook/networking.xml
2014-09-05 17:35:28 -07:00
x25.h
…
x25device.h
…
xfrm.h
net: xfrm: kill XFRM_INC_STATS_BH()
2016-04-27 22:48:23 -04:00