Family rt-link
netlink specification¶
Contents
Summary¶
Link configuration over rtnetlink.
Operations¶
newlink¶
Create a new link.
- attribute-set
link-attrs
- fixed-header
ifinfomsg
- do
- request
- attributes
[
ifi-index
,ifname
,net-ns-pid
,net-ns-fd
,target-netnsid
,link-netnsid
,linkinfo
,group
,num-tx-queues
,num-rx-queues
,address
,broadcast
,mtu
,txqlen
,operstate
,linkmode
,group
,gso-max-size
,gso-max-segs
,gro-max-size
,gso-ipv4-max-size
,gro-ipv4-max-size
,af-spec
]
dellink¶
Delete an existing link.
- attribute-set
link-attrs
- fixed-header
ifinfomsg
- do
- request
- attributes
[
ifi-index
,ifname
]
getlink¶
Get / dump information about a link.
- attribute-set
link-attrs
- fixed-header
ifinfomsg
- do
- request
- attributes
[
ifi-index
,ifname
,alt-ifname
,ext-mask
,target-netnsid
]
- reply
- attributes
[
ifi-family
,ifi-type
,ifi-index
,ifi-flags
,ifi-change
,address
,broadcast
,ifname
,mtu
,link
,qdisc
,stats
,cost
,priority
,master
,wireless
,protinfo
,txqlen
,map
,weight
,operstate
,linkmode
,linkinfo
,net-ns-pid
,ifalias
,num-vf
,vfinfo-list
,stats64
,vf-ports
,port-self
,af-spec
,group
,net-ns-fd
,ext-mask
,promiscuity
,num-tx-queues
,num-rx-queues
,carrier
,phys-port-id
,carrier-changes
,phys-switch-id
,link-netnsid
,phys-port-name
,proto-down
,gso-max-segs
,gso-max-size
,pad
,xdp
,event
,new-netnsid
,if-netnsid
,target-netnsid
,carrier-up-count
,carrier-down-count
,new-ifindex
,min-mtu
,max-mtu
,prop-list
,alt-ifname
,perm-address
,proto-down-reason
,parent-dev-name
,parent-dev-bus-name
,gro-max-size
,tso-max-size
,tso-max-segs
,allmulti
,devlink-port
,gso-ipv4-max-size
,gro-ipv4-max-size
]
- dump
- request
- attributes
[
target-netnsid
,ext-mask
,master
,linkinfo
]
- reply
- attributes
[
ifi-family
,ifi-type
,ifi-index
,ifi-flags
,ifi-change
,address
,broadcast
,ifname
,mtu
,link
,qdisc
,stats
,cost
,priority
,master
,wireless
,protinfo
,txqlen
,map
,weight
,operstate
,linkmode
,linkinfo
,net-ns-pid
,ifalias
,num-vf
,vfinfo-list
,stats64
,vf-ports
,port-self
,af-spec
,group
,net-ns-fd
,ext-mask
,promiscuity
,num-tx-queues
,num-rx-queues
,carrier
,phys-port-id
,carrier-changes
,phys-switch-id
,link-netnsid
,phys-port-name
,proto-down
,gso-max-segs
,gso-max-size
,pad
,xdp
,event
,new-netnsid
,if-netnsid
,target-netnsid
,carrier-up-count
,carrier-down-count
,new-ifindex
,min-mtu
,max-mtu
,prop-list
,alt-ifname
,perm-address
,proto-down-reason
,parent-dev-name
,parent-dev-bus-name
,gro-max-size
,tso-max-size
,tso-max-segs
,allmulti
,devlink-port
,gso-ipv4-max-size
,gro-ipv4-max-size
]
setlink¶
Set information about a link.
- attribute-set
link-attrs
- fixed-header
ifinfomsg
- do
- request
- attributes
[
ifi-family
,ifi-type
,ifi-index
,ifi-flags
,ifi-change
,address
,broadcast
,ifname
,mtu
,link
,qdisc
,stats
,cost
,priority
,master
,wireless
,protinfo
,txqlen
,map
,weight
,operstate
,linkmode
,linkinfo
,net-ns-pid
,ifalias
,num-vf
,vfinfo-list
,stats64
,vf-ports
,port-self
,af-spec
,group
,net-ns-fd
,ext-mask
,promiscuity
,num-tx-queues
,num-rx-queues
,carrier
,phys-port-id
,carrier-changes
,phys-switch-id
,link-netnsid
,phys-port-name
,proto-down
,gso-max-segs
,gso-max-size
,pad
,xdp
,event
,new-netnsid
,if-netnsid
,target-netnsid
,carrier-up-count
,carrier-down-count
,new-ifindex
,min-mtu
,max-mtu
,prop-list
,alt-ifname
,perm-address
,proto-down-reason
,parent-dev-name
,parent-dev-bus-name
,gro-max-size
,tso-max-size
,tso-max-segs
,allmulti
,devlink-port
,gso-ipv4-max-size
,gro-ipv4-max-size
]
getstats¶
Get / dump link stats.
- attribute-set
stats-attrs
- fixed-header
if_stats_msg
- do
- request
- attributes
[
ifindex
]
- reply
- attributes
[
family
,ifindex
,filter-mask
,link-64
,link-xstats
,link-xstats-slave
,link-offload-xstats
,af-spec
]
- dump
request
- reply
- attributes
[
family
,ifindex
,filter-mask
,link-64
,link-xstats
,link-xstats-slave
,link-offload-xstats
,af-spec
]
Multicast groups¶
rtnlgrp-link
rtnlgrp-stats
Definitions¶
ifinfo-flags¶
- type
flags
- entries
- up
- broadcast
- debug
- loopback
- point-to-point
- no-trailers
- running
- no-arp
- promisc
- all-multi
- master
- slave
- multicast
- portsel
- auto-media
- dynamic
- lower-up
- dormant
- echo
rtgenmsg¶
- type
struct
- members
- family
ifinfomsg¶
- type
struct
- members
- ifi-family
- pad
- ifi-type
- ifi-index
- ifi-flags
- ifi-change
ifla-bridge-id¶
- type
struct
- members
- prio
- addr
ifla-cacheinfo¶
- type
struct
- members
- max-reasm-len
- tstamp
- reachable-time
- retrans-time
rtnl-link-stats¶
- type
struct
- members
- rx-packets
- tx-packets
- rx-bytes
- tx-bytes
- rx-errors
- tx-errors
- rx-dropped
- tx-dropped
- multicast
- collisions
- rx-length-errors
- rx-over-errors
- rx-crc-errors
- rx-frame-errors
- rx-fifo-errors
- rx-missed-errors
- tx-aborted-errors
- tx-carrier-errors
- tx-fifo-errors
- tx-heartbeat-errors
- tx-window-errors
- rx-compressed
- tx-compressed
- rx-nohandler
rtnl-link-stats64¶
- type
struct
- members
- rx-packets
- tx-packets
- rx-bytes
- tx-bytes
- rx-errors
- tx-errors
- rx-dropped
- tx-dropped
- multicast
- collisions
- rx-length-errors
- rx-over-errors
- rx-crc-errors
- rx-frame-errors
- rx-fifo-errors
- rx-missed-errors
- tx-aborted-errors
- tx-carrier-errors
- tx-fifo-errors
- tx-heartbeat-errors
- tx-window-errors
- rx-compressed
- tx-compressed
- rx-nohandler
- rx-otherhost-dropped
rtnl-link-ifmap¶
- type
struct
- members
- mem-start
- mem-end
- base-addr
- irq
- dma
- port
ipv4-devconf¶
- type
struct
- members
- forwarding
- mc-forwarding
- proxy-arp
- accept-redirects
- secure-redirects
- send-redirects
- shared-media
- rp-filter
- accept-source-route
- bootp-relay
- log-martians
- tag
- arpfilter
- medium-id
- noxfrm
- nopolicy
- force-igmp-version
- arp-announce
- arp-ignore
- promote-secondaries
- arp-accept
- arp-notify
- accept-local
- src-vmark
- proxy-arp-pvlan
- route-localnet
- igmpv2-unsolicited-report-interval
- igmpv3-unsolicited-report-interval
- ignore-routes-with-linkdown
- drop-unicast-in-l2-multicast
- drop-gratuitous-arp
- bc-forwarding
- arp-evict-nocarrier
ipv6-devconf¶
- type
struct
- members
- forwarding
- hoplimit
- mtu6
- accept-ra
- accept-redirects
- autoconf
- dad-transmits
- rtr-solicits
- rtr-solicit-interval
- rtr-solicit-delay
- use-tempaddr
- temp-valid-lft
- temp-prefered-lft
- regen-max-retry
- max-desync-factor
- max-addresses
- force-mld-version
- accept-ra-defrtr
- accept-ra-pinfo
- accept-ra-rtr-pref
- rtr-probe-interval
- accept-ra-rt-info-max-plen
- proxy-ndp
- optimistic-dad
- accept-source-route
- mc-forwarding
- disable-ipv6
- accept-dad
- force-tllao
- ndisc-notify
- mldv1-unsolicited-report-interval
- mldv2-unsolicited-report-interval
- suppress-frag-ndisc
- accept-ra-from-local
- use-optimistic
- accept-ra-mtu
- stable-secret
- use-oif-addrs-only
- accept-ra-min-hop-limit
- ignore-routes-with-linkdown
- drop-unicast-in-l2-multicast
- drop-unsolicited-na
- keep-addr-on-down
- rtr-solicit-max-interval
- seg6-enabled
- seg6-require-hmac
- enhanced-dad
- addr-gen-mode
- disable-policy
- accept-ra-rt-info-min-plen
- ndisc-tclass
- rpl-seg-enabled
- ra-defrtr-metric
- ioam6-enabled
- ioam6-id
- ioam6-id-wide
- ndisc-evict-nocarrier
- accept-untracked-na
ifla-icmp6-stats¶
- type
struct
- members
- inmsgs
- inerrors
- outmsgs
- outerrors
- csumerrors
- ratelimithost
ifla-inet6-stats¶
- type
struct
- members
- inpkts
- inoctets
- indelivers
- outforwdatagrams
- outpkts
- outoctets
- inhdrerrors
- intoobigerrors
- innoroutes
- inaddrerrors
- inunknownprotos
- intruncatedpkts
- indiscards
- outdiscards
- outnoroutes
- reasmtimeout
- reasmreqds
- reasmoks
- reasmfails
- fragoks
- fragfails
- fragcreates
- inmcastpkts
- outmcastpkts
- inbcastpkts
- outbcastpkts
- inmcastoctets
- outmcastoctets
- inbcastoctets
- outbcastoctets
- csumerrors
- noectpkts
- ect1-pkts
- ect0-pkts
- cepkts
- reasm-overlaps
br-boolopt-multi¶
- type
struct
- members
- optval
- optmask
if_stats_msg¶
- type
struct
- members
- family
- pad
- ifindex
- filter-mask
Attribute sets¶
link-attrs¶
address (binary
)¶
- display-hint
mac
broadcast (binary
)¶
- display-hint
mac
ifname (string
)¶
mtu (u32
)¶
link (u32
)¶
qdisc (string
)¶
stats (binary
)¶
- struct
rtnl-link-stats
cost (string
)¶
priority (string
)¶
master (u32
)¶
wireless (string
)¶
protinfo (string
)¶
txqlen (u32
)¶
map (binary
)¶
- struct
rtnl-link-ifmap
weight (u32
)¶
operstate (u8
)¶
linkmode (u8
)¶
linkinfo (nest
)¶
- nested-attributes
linkinfo-attrs
net-ns-pid (u32
)¶
ifalias (string
)¶
num-vf (u32
)¶
vfinfo-list (nest
)¶
- nested-attributes
vfinfo-attrs
stats64 (binary
)¶
- struct
rtnl-link-stats64
vf-ports (nest
)¶
- nested-attributes
vf-ports-attrs
port-self (nest
)¶
- nested-attributes
port-self-attrs
af-spec (nest
)¶
- nested-attributes
af-spec-attrs
group (u32
)¶
net-ns-fd (u32
)¶
ext-mask (u32
)¶
promiscuity (u32
)¶
num-tx-queues (u32
)¶
num-rx-queues (u32
)¶
carrier (u8
)¶
phys-port-id (binary
)¶
carrier-changes (u32
)¶
phys-switch-id (binary
)¶
link-netnsid (s32
)¶
phys-port-name (string
)¶
proto-down (u8
)¶
gso-max-segs (u32
)¶
gso-max-size (u32
)¶
pad (pad
)¶
xdp (nest
)¶
- nested-attributes
xdp-attrs
event (u32
)¶
new-netnsid (s32
)¶
target-netnsid (s32
)¶
carrier-up-count (u32
)¶
carrier-down-count (u32
)¶
new-ifindex (s32
)¶
min-mtu (u32
)¶
max-mtu (u32
)¶
prop-list (nest
)¶
- nested-attributes
link-attrs
alt-ifname (string
)¶
- multi-attr
True
perm-address (binary
)¶
- display-hint
mac
proto-down-reason (string
)¶
parent-dev-name (string
)¶
parent-dev-bus-name (string
)¶
gro-max-size (u32
)¶
tso-max-size (u32
)¶
tso-max-segs (u32
)¶
allmulti (u32
)¶
devlink-port (binary
)¶
gso-ipv4-max-size (u32
)¶
gro-ipv4-max-size (u32
)¶
dpll-pin (nest
)¶
- nested-attributes
link-dpll-pin-attrs
af-spec-attrs¶
inet (nest
)¶
- value
2
- nested-attributes
ifla-attrs
inet6 (nest
)¶
- value
10
- nested-attributes
ifla6-attrs
mctp (nest
)¶
- value
45
- nested-attributes
mctp-attrs
vfinfo-attrs¶
vf-ports-attrs¶
port-self-attrs¶
linkinfo-attrs¶
kind (string
)¶
data (sub-message
)¶
- sub-message
linkinfo-data-msg
- selector
kind
xstats (binary
)¶
slave-kind (string
)¶
slave-data (sub-message
)¶
- sub-message
linkinfo-member-data-msg
- selector
slave-kind
linkinfo-bridge-attrs¶
forward-delay (u32
)¶
hello-time (u32
)¶
max-age (u32
)¶
ageing-time (u32
)¶
stp-state (u32
)¶
priority (u16
)¶
vlan-filtering (u8
)¶
vlan-protocol (u16
)¶
group-fwd-mask (u16
)¶
root-id (binary
)¶
- struct
ifla-bridge-id
bridge-id (binary
)¶
- struct
ifla-bridge-id
root-port (u16
)¶
root-path-cost (u32
)¶
topology-change (u8
)¶
topology-change-detected (u8
)¶
hello-timer (u64
)¶
tcn-timer (u64
)¶
topology-change-timer (u64
)¶
gc-timer (u64
)¶
group-addr (binary
)¶
- display-hint
mac
fdb-flush (binary
)¶
mcast-router (u8
)¶
mcast-snooping (u8
)¶
mcast-query-use-ifaddr (u8
)¶
mcast-querier (u8
)¶
mcast-hash-elasticity (u32
)¶
mcast-hash-max (u32
)¶
mcast-last-member-cnt (u32
)¶
mcast-startup-query-cnt (u32
)¶
mcast-last-member-intvl (u64
)¶
mcast-membership-intvl (u64
)¶
mcast-querier-intvl (u64
)¶
mcast-query-intvl (u64
)¶
mcast-query-response-intvl (u64
)¶
mcast-startup-query-intvl (u64
)¶
nf-call-iptables (u8
)¶
nf-call-ip6-tables (u8
)¶
nf-call-arptables (u8
)¶
vlan-default-pvid (u16
)¶
pad (pad
)¶
vlan-stats-enabled (u8
)¶
mcast-stats-enabled (u8
)¶
mcast-igmp-version (u8
)¶
mcast-mld-version (u8
)¶
vlan-stats-per-port (u8
)¶
multi-boolopt (binary
)¶
- struct
br-boolopt-multi
mcast-querier-state (binary
)¶
linkinfo-brport-attrs¶
state (u8
)¶
priority (u16
)¶
cost (u32
)¶
mode (flag
)¶
guard (flag
)¶
protect (flag
)¶
fast-leave (flag
)¶
learning (flag
)¶
unicast-flood (flag
)¶
proxyarp (flag
)¶
learning-sync (flag
)¶
proxyarp-wifi (flag
)¶
root-id (binary
)¶
- struct
ifla-bridge-id
bridge-id (binary
)¶
- struct
ifla-bridge-id
designated-port (u16
)¶
designated-cost (u16
)¶
id (u16
)¶
no (u16
)¶
topology-change-ack (u8
)¶
config-pending (u8
)¶
message-age-timer (u64
)¶
forward-delay-timer (u64
)¶
hold-timer (u64
)¶
flush (flag
)¶
multicast-router (u8
)¶
pad (pad
)¶
mcast-flood (flag
)¶
mcast-to-ucast (flag
)¶
vlan-tunnel (flag
)¶
bcast-flood (flag
)¶
group-fwd-mask (u16
)¶
neigh-suppress (flag
)¶
isolated (flag
)¶
backup-port (u32
)¶
mrp-ring-open (flag
)¶
mrp-in-open (flag
)¶
mcast-eht-hosts-limit (u32
)¶
mcast-eht-hosts-cnt (u32
)¶
locked (flag
)¶
mab (flag
)¶
mcast-n-groups (u32
)¶
mcast-max-groups (u32
)¶
neigh-vlan-suppress (flag
)¶
backup-nhid (u32
)¶
linkinfo-gre-attrs¶
link (u32
)¶
iflags (u16
)¶
oflags (u16
)¶
ikey (u32
)¶
okey (u32
)¶
local (binary
)¶
- display-hint
ipv4
remote (binary
)¶
- display-hint
ipv4
ttl (u8
)¶
tos (u8
)¶
pmtudisc (u8
)¶
encap-limit (u32
)¶
flowinfo (u32
)¶
flags (u32
)¶
encap-type (u16
)¶
encap-flags (u16
)¶
encap-sport (u16
)¶
encap-dport (u16
)¶
collect-metadata (flag
)¶
ignore-df (u8
)¶
fwmark (u32
)¶
erspan-index (u32
)¶
erspan-ver (u8
)¶
erspan-dir (u8
)¶
erspan-hwid (u16
)¶
linkinfo-geneve-attrs¶
id (u32
)¶
remote (binary
)¶
- display-hint
ipv4
ttl (u8
)¶
tos (u8
)¶
port (u16
)¶
collect-metadata (flag
)¶
remote6 (binary
)¶
- display-hint
ipv6
udp-csum (u8
)¶
udp-zero-csum6-tx (u8
)¶
udp-zero-csum6-rx (u8
)¶
label (u32
)¶
ttl-inherit (u8
)¶
df (u8
)¶
inner-proto-inherit (flag
)¶
linkinfo-iptun-attrs¶
link (u32
)¶
local (binary
)¶
- display-hint
ipv4
remote (binary
)¶
- display-hint
ipv4
ttl (u8
)¶
tos (u8
)¶
encap-limit (u8
)¶
flowinfo (u32
)¶
flags (u16
)¶
proto (u8
)¶
pmtudisc (u8
)¶
6rd-prefix (binary
)¶
- display-hint
ipv6
6rd-relay-prefix (binary
)¶
- display-hint
ipv4
6rd-prefixlen (u16
)¶
6rd-relay-prefixlen (u16
)¶
encap-type (u16
)¶
encap-flags (u16
)¶
encap-sport (u16
)¶
encap-dport (u16
)¶
collect-metadata (flag
)¶
fwmark (u32
)¶
linkinfo-tun-attrs¶
owner (u32
)¶
group (u32
)¶
type (u8
)¶
pi (u8
)¶
vnet-hdr (u8
)¶
persist (u8
)¶
multi-queue (u8
)¶
num-queues (u32
)¶
num-disabled-queues (u32
)¶
linkinfo-vrf-attrs¶
table (u32
)¶
xdp-attrs¶
fd (s32
)¶
attached (u8
)¶
flags (u32
)¶
prog-id (u32
)¶
drv-prog-id (u32
)¶
skb-prog-id (u32
)¶
hw-prog-id (u32
)¶
expected-fd (s32
)¶
ifla-attrs¶
conf (binary
)¶
- struct
ipv4-devconf
ifla6-attrs¶
flags (u32
)¶
conf (binary
)¶
- struct
ipv6-devconf
stats (binary
)¶
- struct
ifla-inet6-stats
mcast (binary
)¶
cacheinfo (binary
)¶
- struct
ifla-cacheinfo
icmp6-stats (binary
)¶
- struct
ifla-icmp6-stats
token (binary
)¶
addr-gen-mode (u8
)¶
ra-mtu (u32
)¶
mctp-attrs¶
mctp-net (u32
)¶
stats-attrs¶
link-64 (binary
)¶
- struct
rtnl-link-stats64
link-xstats (binary
)¶
link-xstats-slave (binary
)¶
link-offload-xstats (nest
)¶
- nested-attributes
link-offload-xstats
af-spec (binary
)¶
link-offload-xstats¶
cpu-hit (binary
)¶
hw-s-info (array-nest
)¶
- nested-attributes
hw-s-info-one
l3-stats (binary
)¶
hw-s-info-one¶
request (u8
)¶
used (u8
)¶
link-dpll-pin-attrs¶
id (u32
)¶
Sub-messages¶
linkinfo-data-msg¶
- bridge
- attribute-set
linkinfo-bridge-attrs
- erspan
- attribute-set
linkinfo-gre-attrs
- gre
- attribute-set
linkinfo-gre-attrs
- gretap
- attribute-set
linkinfo-gre-attrs
- geneve
- attribute-set
linkinfo-geneve-attrs
- ipip
- attribute-set
linkinfo-iptun-attrs
- sit
- attribute-set
linkinfo-iptun-attrs
- tun
- attribute-set
linkinfo-tun-attrs
- vrf
- attribute-set
linkinfo-vrf-attrs
linkinfo-member-data-msg¶
- bridge
- attribute-set
linkinfo-brport-attrs
bond