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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Similar as for ip6 tunnels ignore encaplimit by default as not all ISPs
support the destination option header containing the tunnel encapsulation
limit resulting into broken connectivity
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Enable ignore encaplimit by default for ip6 tunnels as not all ISPs support
the destination option header containing the tunnel encapsulation limit
resulting into broken map/ds-lite connectivity.
Setting the ignore encaplimit flag by default is a more sane setting as it
avoids user configuation of the encaplimit uci option for ds-lite/map tunnels
in case of broken connectivity.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Add an #ifdef guard around 56000base* definitions, which don't exist on
Linux 3.18
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add all available link mode speed definitions as defined in ethtool.h
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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This adds an array that contains the link modes advertised by the other device and also
indicates whether auto negotiation is true or false.
link-partner may or may not be populated depending on hardware, driver and/or settings.
Signed-off-by: Joe Holden <jwh@zorins.co.uk>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Make encapsulation limit of IP6 tunnels configurable for the ds-lite/map
proto shell handlers as not all ISPs support the destination option header
containing the tunnel encapsulation limit value as reported in FS#1501.
The IP6 tunnel specific setting encaplimit is parsed as a nested json
data object; setting it to ignore disables the insertion of the
destination option header while a value from 0 till 255 sets the
tunnel encapsulation limit accordingly in the destination option header.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Fix strncpy bounds as reported by Coverity in CID 1434988, 1328977,
1328953, 1328952, 1328951, 1328950, 1328949 and 1328944.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Detected by Coverity in CID 1433754
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Detected by Coverity in CID 1433760
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Detected by Coverity in CID 1433686
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Detected by Coverity in CID 1430884
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Detected by coverity in CID 1329735
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Detected by coverity in CID 1412449
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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It is overly complex, yet does not cover common scenarios very well.
It will be replaced with a simpler shell script that provides a better
default policy
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
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If you rename a network interface, there is a move uevent
invoked instead of remove/add.
This patch adds support for this kind of event.
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Acked-by: Hans Dedecker <dedeckeh@gmail.com>
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Parse map-e fmrs parameters IPv6 prefix, IPv4 prefix, ealen and offset
as array elements nested in a data json object.
At the same time remove the now obsolete TUNNEL_ATTR_FMRS tunnel attribute.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: John Crispin <john@phrozen.org>
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When -1 is written in /proc/sys/net/ipv4/neigh/<iface>/locktime,
kernel disables ARP trashing protection. A value of 0 does not completely
disable this protection, a second ARP update being discarded if it
is processed during the same jiffie as the first update.
Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
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object
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The kernel expects IFLA_GRE_IKEY and IFLA_GRE_OKEY to be in network byte
order, so convert the values from host byte order.
Fixes ikey/okey on little endian systems.
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
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cppcheck found printf functions with signed instead of unsigned
formats. Fix those as well as some non-matching function
declarations.
Signed-off by: Rosen Penev <rosenp@gmail.com>
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After applying this patch, policy routing rules can be employed that ignore
parts of a routing table. The following config snippet ignores routing lookups
from the specified main routing table yielding the default route, passing the
lookup process on to the next rule (that might provide a special default route
for marked packets):
config rule
option priority 10
# check main routing table first, but ignore default route result
option lookup main
option suppress_prefixlength 0
config rule
option priority 11
# use special routing table for marked packets
# (unless already consumed by previous rule)
option mark 0xFF
option lookup 100
The result is a ruleset like this (only visible using the full 'ip' binary):
# ip rule
0: from all lookup local
10: from all lookup main suppress_prefixlength 0
11: from all fwmark 0xff lookup 100
32766: from all lookup main
32767: from all lookup default
#
Signed-off-by: Stefan Tomanek <stefan.tomanek@wertarbyte.de>
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Fix 6rd regression introduced in commit 7573880ac042c6e5c8d48b1ad83d357b5e02743b
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Parse 6rd specific settings prefix, relay-prefix as nested json data objects.
At the same time improve 6rd error handling.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Fixes
system-linux.c:1998:33: error: comparison of unsigned expression >= 0 is always true [-Werror,-Wtautological-compare]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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system_rtn_aton() was already parsing "throw" correctly, but system_rt()
did now allow it.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
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Parse vti specific settings ikey and okey as nested json data object.
At the same time remove the now obsolete TUNNEL_ATTR_INFO attribute.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Parse gre specific settings ikey, okey, icsum, ocsum, iseqno and oseqno
as nested json data object
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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VXLAN shares many attributes with the tunnel devices, so it is implemented
as a new tunnel type. The 'remote' attribute can be used for an unicast
peer or a multicast group.
The IANA-assigned port 4789 is used by default, instead of the non-standard
port Linux defaults to.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Acked-by: Hans Dedecker <dedeckeh@gmail.com>
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The UCI parameter neighlocktime allows to control the hardware
address to IP mapping lock time in the IPv4 neighbour table.
The IPv6 lock time was not set because it is not used at all in any
kernel versions, hardware address override being controlled in this case
by the override flag present in the NA packet.
Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
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The veth config code mostly handles the primary interface of a veth pair,
the secondary interface is not explicitly referenced and will be found as
an unrelated interface after the pair has been created.
This doesn't only allow us to keep the veth code simple (and similar to
existing device handlers), but will also avoid complicating handling
unnecessarily in case the secondary interface is moved into another network
namespace.
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
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Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Route proto support is usefull when using route distribution
via a routing daemon.
The route proto parameter can be specified via the route proto
uci config parameter, it can hold a numerical value or the string
values unspec, kernel, boot, static or a string present in
/etc/iproute2/rt_protos.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Setting /proc/sys/net/ipv4/conf/*/send_redirects is useful if a single
layer-2 domain is shared among routed subnets.
Sending redirects will prevents traffic from taking unnessesary detours
through a gateway in cases where direct connectivity on layer 2 exists.
This is commonly the case if an existing LAN infratructure with dump
switches is used to additionally carry routing protocols like OLSR
which are supported only by some nodes on the network.
It's important to note that the default value for send_redirects
differs for interface types (it's enabled on physical ethernet
interfaces, but disabled e.g. on VLANs) due to olsrd changing
/proc/sys/net/ipv4/conf/default/send_redirects during boot, thus the
default differs also depending e.g. on the way an on-board switch is
integrated on specific boards (as eth0 exists before olsrd is started,
eth0.1 gets created by netifd later on...)
Having a way to explicitely enable or disable send_redirects is
thus desireable also to unify the default behaviour among different,
but seemingly similar devices supported.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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As the ttl of a gre tunnel was set by default to 64 the gre tunnel
failed to get active if don't fragment was disabled as setting
nopmtudisc and ttl is incompatible.
Fix this by setting the default ttl value after don't fragment
and ttl config values have been parsed.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Günther Kelleter <guenther.kelleter@devolo.de>
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Setting the multicast_fast_leave option of a bridge allows to control
the forwarding of multicast traffic when an IGMP/MLD leave is received.
In case multicast_leave_option is enabled and a leave is received the
multicast membership will immediately be dropped on the bridge port while
in the other case the multicast membership will time out in the bridge.
This could be usefull in scenarios where explicit multicast membership
host tracking is not supported in the upstream network. In this case the
multicast stream is still flowing after a leave is received resulting into
possible bandwidth saturation on the lan if a new stream is joined as
multiple multicast streams are received.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Replace device_get by device_find so it's clear a device needs to be found present
in the device list.
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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Using the config below a dotted vlan interface stays down as get_vlan_device
does not find the device due to the aliased device stacked on top of the base
device.
As all devices; aliased devices being the exception; are in the device list
use device_find to find the device when setting the link state
config interface 'test'
option proto 'static'
option ipaddr '192.168.2.1'
option netmask '255.255.255.0'
config interface 'test2'
option ifname '@test.1'
option proto 'dhcp'
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
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The UCI parameter neighgcstaletime allows to control how much time will
STALE entries be kept in the neighbour table for both IPv4 and IPv6.
Signed-off-by: Alin Nastac <alin.nastac@gmail.com>
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Tuning these two options allows a more fine grained configuration of the
forwarding database (fdb) of a bridge.
The former allows to enable or disable the learning of the presence of
MAC addresses behind a bridge port. (default: enabled on all ports)
The latter allows to tune the behaviour in case a destination MAC address
of a frame is unknown to the fdb, like only flooding on specific ports or
not flooding on any port. (default: flood on all ports, except incoming)
This can be useful to create a dumb hub, for instance for monitoring
purposes. Or in larger layer 2 mesh networks to avoid keeping redundant
databases (e.g. with the batman-adv translation table).
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
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Revert commit 3eea8576d48d9b20cc1c6b46f54c7345a39d13aa since it changes the
default behaviour of user ip rules in unexpected ways.
When an ip rule is added without an explicit priority then the kernel will
use the priority value of the 2nd rule, decreased by one.
On an ordinary system, the 2nd rule usually is "from all lookup main" with
priority 32766 which means that user rules are added beginning with priority
32765 in decreasing order.
Since the introduction of the prelocal rule at prio 0 and the subsequent
moving of "from all lookup local" to prio 1, the kernel will insert all user
rules with priority 0, between the prelocal and local lookup rules, leading
to broken routing in many common scenarios.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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RFCs suggest some parameters of IGMP and MLD to be configurable by
the administrator. With this patch the following parameters are
configurable:
* robustness (default: 2)
* query_interval (default: 12500 [125s])
* query_response_interval (default: 1000 [10s])
* last_member_interval (default: 100 [1s])
Depending on the size and nature of the network topology administrators
might want to increase or decrease these parameters.
netifd will take care of configuring any other parameters which are
dependant on the ones above and set them according to the formulas
provided in the RFCs. These parameters of the bridge are
membership_interval, querier_interval, startup_query_interval,
startup_query_count and last_member_count.
RFCs allow setting three more parameters to be configurable:
startup_query_interval, startup_query_count and last_member_count.
However this patch does not export them, as they can be indirectly
tuned via the given, exported four parameters, too.
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
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The libnl-tiny library does not provide a nla_put_be32(), use nla_put_u32()
again in conjunction with htonl() to convert the values.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
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