Since commit a8f820a380a2a06 ('can: add Virtual CAN Tunnel driver (vxcan)')
for Linux 4.12 a virtual CAN tunnel driver analogue to veth is available in
Linux.
This patch adds the ability to create vxcan device pairs.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Change print_linkinfo_brief to take the filter as an input arg.
If the arg is NULL, use the global filter in ipaddress.c.
Signed-off-by: David Ahern <dsahern@gmail.com>
ipaddr_list_flush_or_save generates a list of nlmsg's for links and
optionally for addresses. Move the code into ip_linkaddr_list and
export it along with the supporting infrastructure.
API to use this function is:
struct nlmsg_chain linfo = { NULL, NULL};
struct nlmsg_chain ainfo = { NULL, NULL};
ip_linkaddr_list(family, filter_req, &linfo, &ainfo);
... error checking and code looping over linfo/ainfo ...
free_nlmsg_chain(&linfo);
free_nlmsg_chain(&ainfo);
Signed-off-by: David Ahern <dsahern@gmail.com>
Follow-up to d67b9cd28c1d ("xdp: refine xdp api with regards to
generic xdp") in order to update the XDP dumping part.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Including libc headers first helps as a workaround to redefinition of struct
ethhdr with a suitably patched musl libc that suppresses the kernel
if_ether.h.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Ability to change vxlan device attributes was added to kernel through
commit 8bcdc4f3a20b ("vxlan: add changelink support"), however one
cannot do the same through ip(8) command. Changing the allowed vxlan
device attributes using 'ip link set dev <vxlan_name> type vxlan
<allowed_attributes>' currently fails with 'operation not supported'
error. This failure is due to the incorrect rtnetlink message
construction for the 'ip link set' operation.
The vxlan_parse_opt() callback function is called for parsing options
for both 'ip link add' and 'ip link set'. For the 'add' case, we pass
down default values for those attributes that were not provided as CLI
options. However, for the 'set' case we should be only passing down the
explicitly provided attributes and not any other (default) attributes.
Signed-off-by: Girish Moodalbail <girish.moodalbail@oracle.com>
syntax:
ip xfrm state .... offload dev <if-name> dir <in or out>
Example to add inbound offload:
ip xfrm state .... offload dev mlx0 dir in
Example to add outbound offload:
ip xfrm state .... offload dev mlx0 dir out
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Follow-up to commit c7272ca720 ("bpf: add initial support for
attaching xdp progs") to also support generic XDP. This adds an
indicator for loaded generic XDP programs when programs are loaded
as shown in c7272ca720, but the driver still lacks native XDP
support.
# ip link
[...]
3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 xdpgeneric qdisc [...]
link/ether 0c:c4:7a:03:f9:25 brd ff:ff:ff:ff:ff:ff
[...]
In case the driver does support native XDP, but the user wants
to load the program as generic XDP (e.g. for testing purposes),
then this can be done with the same semantics as in c7272ca720,
but with 'xdpgeneric' instead of 'xdp' command for loading:
# ip -force link set dev eno1 xdpgeneric obj xdp.o
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David S. Miller <davem@davemloft.net>
As noticed by one of the few users of routel script, it ends up in an
infinite loop when they pull out the cable from the NIC used for some
route. This is caused by its parser expecting the line of "ip route show"
output consists of "key value" pairs (except for the initial target range),
together with an old trap of Bourne style shells that "shift 2" does
nothing if there is only one argument left. Some keywords, e.g. "linkdown",
are not followed by a value.
Improve the parser to
(1) only set variables for keywords we care about
(2) recognize (currently) known keywords without value
This is still far from perfect (and certainly not future proof) but to
fully fix the script, one would probably have to rewrite the logic
completely (and I'm not sure it's worth the effort).
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
This attribute allows the administrator to adjust the packet marking
attribute of tunnels that support policy based routing.
Signed-off-by: Craig Gallek <kraig@google.com>
This patch adds commands to support the tunnel source properties
("ip sr tunsrc") and the HMAC key -> secret, algorithm binding
("ip sr hmac").
Signed-off-by: David Lebrun <david.lebrun@uclouvain.be>
'ip vrf pids' is used to list processes bound to a vrf, but it only
shows the pid leaving a lot of work for the user. Add the command
name to the output. With this patch you get the more user friendly:
$ ip vrf pids mgmt
1121 ntpd
1418 gdm-session-wor
1488 gnome-session
1491 dbus-launch
1492 dbus-daemon
1565 sshd
...
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
'ip vrf pids' is used to list processes bound to a vrf, but it only
shows the pid leaving a lot of work for the user. Add the command
name to the output. With this patch you get the more user friendly:
$ ip vrf pids mgmt
1121 ntpd
1418 gdm-session-wor
1488 gnome-session
1491 dbus-launch
1492 dbus-daemon
1565 sshd
...
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Currently specifying a device to ip netconf and it dumps only values
for IPv4. Change this to dump data for all families unless a specific
family is given.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Currently, 'ip netconf' only shows ipv4 and ipv6 netconf settings. If IPv6
is not enabled, the dump ends with
RTNETLINK answers: Operation not supported
when IPv6 request is attempted. Further, if the mpls_router module is also
loaded a separate request is needed to get MPLS settings.
To make this better going forward, use the new PF_UNSPEC dump all option
if the kernel supports it. If the kernel does not, it sets NLMSG_ERROR and
returns EOPNOTSUPP which is trapped and we fall back to the existing output
to maintain compatibility with existing kernels.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Add support for setting and displaying the ttl attribute
for MPLS IP lighweight tunnels.
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Add support for setting and displaying the ttl-propagation attribute
initially used by MPLS to control propagation of MPLS TTL to IPv4/IPv6
TTL/hop-limit on popping final label on a per-route basis.
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
These are basically stubs: The types which lacked their own help text
simply don't accept any options (yet). Still it might be a bit confusing
to users if they are presented with the generic 'ip link' help text
instead of something saying there are no type specific options.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Take help function in iplink_bridge.c as an example and make other link
types' help functions similar:
* Use a single fprintf() call (if possible).
* Don't state a full command line, just "... type OPTIONS".
* Put every option in it's own line, align options by column.
* List mandatory options first.
link_veth.c is intentionally left untouched because it's 'peer' option
eats all kinds of generic link options and the help text points this out
without duplicating all the options there again.
Signed-off-by: Phil Sutter <phil@nwl.cc>
When neither group or remote is specified (or if they are specified with
the any address), nothing is sent to the kernel. In this case, the
kernel defaults to IPv4. This makes impossible to use IPv6 with
unspecified unicast remote ("bridge fdb add" will return
EAFNOTSUPPORT).
If the user specifies a preferred address family (eg, "ip -6 link add"),
then send either IFLA_VXLAN_GROUP or IFLA_VXLAN_GROUP6 to enforce the
use of the appropriate family.
Signed-off-by: Vincent Bernat <vincent@bernat.im>
MPLS multipath routes are missing a space between 'nexthop' and 'via':
$ ip -net ns1 -f mpls ro ls
100
nexthopvia inet 172.16.2.2 dev virt12
nexthopvia inet 172.16.3.2 dev br0
Add it.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Add support for new afstats subcommand. This uses the new
IFLA_STATS_AF_SPEC attribute of RTM_GETSTATS messages to show
per-device, AF-specific stats. At the moment the kernel only supports
MPLS AF stats, so that is all that's implemented here.
The print_num function is exposed from ipaddress.c to be used for
printing the new stats so that the human-readable option, if set, can
be respected.
Example of use:
$ ./ip/ip -f mpls link afstats dev eth1
3: eth1
mpls:
RX: bytes packets errors dropped noroute
9016 98 0 0 0
TX: bytes packets errors dropped
7232 113 0 0
Signed-off-by: Robert Shearman <rshearma@brocade.com>
Use the new helper functions rta_getattr_u* instead of direct
cast of RTA_DATA(). Where RTA_DATA() is a structure, then remove
the unnecessary cast since RTA_DATA() is void *
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Add support for MPLS netconf to ip monitor and ip netconf commands.
Changes to header files not included as those are typically pulled
in my a header sync with the kernel.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
This patch adds support to the bridge_slave link type for displaying
xstats by reusing the previously added bridge xstats callbacks.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
This patch adds support for a new xstats link subcommand which uses the
specified link type's new parse/print_ifla_xstats callbacks to display
extended statistics.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Since cgroups are not namespace aware, the directory heirarchy used by
ip vrf should account for network namespaces. In this case, change the
path from CGRP/BASE/vrf/NAME to CGRP/BASE/NETNS/vrf/NAME where CGRP is
the cgroup2 mount path, BASE in any base heirarchy inherited before VRF
is applied and NAME is the VRF name.
The intent is as follows: a user logs into the box into some namespace
with a name known to iproute2. Some other policy may have put the
process into a BASE heirarchy. From there the user executes a task in
a VRF and in doing so the task heirarchy becomes CGRP/BASE/NETNS/vrf/NAME.
The namespace level is omitted for the default namespace.
Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Move guts of netns_identify into a standalone function that returns
the netns name in a given buffer.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Add support for VRF in a pre-existing hierarchy. For example, if the
current process is running in CGRP/foo/bar, the 'ip vrf exec NAME CMD'
should run CMD in the cgroup CGRP/foo/bar/vrf/NAME.
When listing process ids in a VRF, search for the directory vrf/NAME
regardless of base path (foo/bar/vrf/NAME and vrf/NAME) are still
running against the same vrf NAME.
Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
This patch implements support for the IFLA_BRPORT_FLUSH attribute
in iproute2 so it can flush bridge slave's fdb dynamic entries.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Oliver Hartkopp
David Ahern
Daniel Borkmann
Remigiusz Kołłątaj
Baruch Siach
Girish Moodalbail
Boris Pismenny
Stephen Hemminger
Zhang Shengju
Michal Kubeček
Craig Gallek
David Lebrun
David Ahern
Robert Shearman
Timothy Redaelli
Phil Sutter
Vincent Bernat
Nikolay Aleksandrov
Stephen Hemminger
Ralf Baechle
Hangbin Liu