Family rt-route netlink 规范

概要

通过 rtnetlink 进行路由配置。

操作

getroute

转储路由信息。

attribute-set:

route-attrs

do:

请求

attributes:

[src, dst, iif, oif, ip-proto, sport, dport, mark, uid, flowlabel]

回复

attributes:

[dst, src, iif, oif, gateway, priority, prefsrc, metrics, multipath, flow, cacheinfo, table, mark, mfc-stats, via, newdst, pref, encap-type, encap, expires, pad, uid, ttl-propagate, ip-proto, sport, dport, nh-id, flowlabel]

dump:

请求

attributes:

[]

回复

attributes:

[dst, src, iif, oif, gateway, priority, prefsrc, metrics, multipath, flow, cacheinfo, table, mark, mfc-stats, via, newdst, pref, encap-type, encap, expires, pad, uid, ttl-propagate, ip-proto, sport, dport, nh-id, flowlabel]

newroute

创建一个新的路由

attribute-set:

route-attrs

do:

请求

attributes:

[dst, src, iif, oif, gateway, priority, prefsrc, metrics, multipath, flow, cacheinfo, table, mark, mfc-stats, via, newdst, pref, encap-type, encap, expires, pad, uid, ttl-propagate, ip-proto, sport, dport, nh-id, flowlabel]

delroute

删除一个现有的路由

attribute-set:

route-attrs

do:

请求

attributes:

[dst, src, iif, oif, gateway, priority, prefsrc, metrics, multipath, flow, cacheinfo, table, mark, mfc-stats, via, newdst, pref, encap-type, encap, expires, pad, uid, ttl-propagate, ip-proto, sport, dport, nh-id, flowlabel]

定义

rtm-type

name-prefix:

rtn-

enum-name:

None

type:

enum

entries:

• unspec

• unicast

• local

• broadcast

• anycast

• multicast

• blackhole

• unreachable

• prohibit

• throw

• nat

• xresolve

rtmsg

type:

struct

members:

rtm-family (u8):

rtm-dst-len (u8):

rtm-src-len (u8):

rtm-tos (u8):

rtm-table (u8):

rtm-protocol (u8):

rtm-scope (u8):

rtm-type (u8):

rtm-flags (u32):

rta-cacheinfo

type:

struct

members:

rta-clntref (u32):

rta-lastuse (u32):

rta-expires (u32):

rta-error (u32):

rta-used (u32):

属性集

route-attrs

dst (binary)

display-hint:

ipv4

src (binary)

display-hint:

ipv4

iif (u32)

oif (u32)

gateway (binary)

display-hint:

ipv4

priority (u32)

prefsrc (binary)

display-hint:

ipv4

metrics (nest)

nested-attributes:

metrics

multipath (binary)

protoinfo (binary)

flow (u32)

cacheinfo (binary)

struct:

rta-cacheinfo

session (binary)

mp-algo (binary)

table (u32)

mark (u32)

mfc-stats (binary)

via (binary)

newdst (binary)

pref (u8)

encap-type (u16)

encap (binary)

expires (u32)

pad (binary)

uid (u32)

ttl-propagate (u8)

ip-proto (u8)

sport (u16)

dport (u16)

nh-id (u32)

flowlabel (u32)

byte-order:

big-endian

display-hint:

hex

metrics

unspec (unused)

value:

0

lock (u32)

mtu (u32)

window (u32)

rtt (u32)

rttvar (u32)

ssthresh (u32)

cwnd (u32)

advmss (u32)

reordering (u32)

hoplimit (u32)

initcwnd (u32)

features (u32)

rto-min (u32)

initrwnd (u32)

quickack (u32)

cc-algo (string)

fastopen-no-cookie (u32)