linux-stable/net
Georg Kohmann 5f379ef51b ipv6: icmp: Updating pmtu for link local route
When a ICMPV6_PKT_TOOBIG is received from a link local address the pmtu will
be updated on a route with an arbitrary interface index. Subsequent packets
sent back to the same link local address may therefore end up not
considering the updated pmtu.

Current behavior breaks TAHI v6LC4.1.4 Reduce PMTU On-link. Referring to RFC
1981: Section 3: "Note that Path MTU Discovery must be performed even in
cases where a node "thinks" a destination is attached to the same link as
itself. In a situation such as when a neighboring router acts as proxy [ND]
for some destination, the destination can to appear to be directly
connected but is in fact more than one hop away."

Using the interface index from the incoming ICMPV6_PKT_TOOBIG when updating
the pmtu.

Signed-off-by: Georg Kohmann <geokohma@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-05 17:12:44 -07:00
..
6lowpan
9p net/9p/client.c: put refcount of trans_mod in error case in parse_opts() 2018-07-14 11:11:09 -07:00
802
8021q net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
appletalk Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
atm net: simplify sock_poll_wait 2018-07-30 09:10:25 -07:00
ax25 ax25: remove blank line at EOF 2018-07-24 14:10:42 -07:00
batman-adv Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux 2018-07-20 21:17:12 -07:00
bluetooth Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
bpf bpf: fix panic due to oob in bpf_prog_test_run_skb 2018-07-11 16:10:57 -07:00
bpfilter bpfilter: remove trailing newline 2018-07-24 14:10:42 -07:00
bridge netfilter: bridge: Expose nf_tables bridge hook priorities through uapi 2018-08-03 21:15:09 +02:00
caif net: simplify sock_poll_wait 2018-07-30 09:10:25 -07:00
can Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
ceph The main piece is a set of libceph changes that revamps how OSD 2018-06-15 07:24:58 +09:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-08-05 16:25:22 -07:00
dcb net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
dccp net: simplify sock_poll_wait 2018-07-30 09:10:25 -07:00
decnet decnet: whitespace fixes 2018-07-24 14:10:42 -07:00
dns_resolver net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
dsa Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-02 10:55:32 -07:00
ethernet net: Convert GRO SKB handling to list_head. 2018-06-26 11:33:04 +09:00
hsr
ieee802154 net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
ife
ipv4 tcp: remove unneeded variable 'err' 2018-08-03 16:52:07 -07:00
ipv6 ipv6: icmp: Updating pmtu for link local route 2018-08-05 17:12:44 -07:00
iucv net: simplify sock_poll_wait 2018-07-30 09:10:25 -07:00
kcm net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2018-07-27 09:33:37 -07:00
l2tp Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
l3mdev
lapb
llc llc: fix whitespace issues 2018-07-24 14:10:42 -07:00
mac80211 Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
mac802154
mpls mpls: remove trailing whitepace 2018-07-24 14:10:42 -07:00
ncsi net/ncsi: Use netdev_dbg for debug messages 2018-06-20 07:26:58 +09:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-08-05 16:25:22 -07:00
netlabel audit: use inline function to get audit context 2018-05-14 17:24:18 -04:00
netlink Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
netrom Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
nfc net: simplify sock_poll_wait 2018-07-30 09:10:25 -07:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-02 10:55:32 -07:00
packet net: Remove some unneeded semicolon 2018-08-04 13:05:39 -07:00
phonet Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
psample
qrtr net: qrtr: Reset the node and port ID of broadcast messages 2018-07-05 20:20:03 +09:00
rds Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-02 10:55:32 -07:00
rfkill rfkill: Create rfkill-none LED trigger 2018-05-23 11:26:45 +02:00
rose Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
rxrpc rxrpc: Push iov_iter up from rxrpc_kernel_recv_data() to caller 2018-08-03 12:46:20 -07:00
sched net: sched: fix flush on non-existing chain 2018-08-03 09:44:37 -07:00
sctp sctp: whitespace fixes 2018-07-24 14:10:42 -07:00
smc Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
strparser strparser: remove redundant variable 'rd_desc' 2018-08-01 10:00:06 -07:00
sunrpc net: Remove some unneeded semicolon 2018-08-04 13:05:39 -07:00
switchdev
tipc net/tipc: remove redundant variables 'tn' and 'oport' 2018-08-01 09:46:49 -07:00
tls net/tls: Use kmemdup to simplify the code 2018-08-01 09:47:47 -07:00
unix af_unix: ensure POLLOUT on remote close() for connected dgram socket 2018-08-03 16:44:19 -07:00
vmw_vsock Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
wimax wimax: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
wireless Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-24 19:21:58 -07:00
x25 x25: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
xdp Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-05 13:04:31 -07:00
xfrm Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-02 10:55:32 -07:00
compat.c net: support compat 64-bit time in {s,g}etsockopt 2018-04-27 19:46:06 -04:00
Kconfig net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
Makefile bpfilter: check compiler capability in Kconfig 2018-06-28 13:36:39 +09:00
socket.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-08-02 10:55:32 -07:00
sysctl_net.c