rt-route 族 netlink 规范

摘要

通过 rtnetlink 进行路由配置。

操作

getroute

转储路由信息。

attribute-set：

route-attrs

fixed-header：

rtmsg

do：

请求

attributes：

[rtm-family, rta-src, rtm-src-len, rta-dst, rtm-dst-len, rta-iif, rta-oif, rta-ip-proto, rta-sport, rta-dport, rta-mark, rta-uid]

回复

attributes：

[rtm-family, rtm-dst-len, rtm-src-len, rtm-tos, rtm-table, rtm-protocol, rtm-scope, rtm-type, rtm-flags, rta-dst, rta-src, rta-iif, rta-oif, rta-gateway, rta-priority, rta-prefsrc, rta-metrics, rta-multipath, rta-flow, rta-cacheinfo, rta-table, rta-mark, rta-mfc-stats, rta-via, rta-newdst, rta-pref, rta-encap-type, rta-encap, rta-expires, rta-pad, rta-uid, rta-ttl-propagate, rta-ip-proto, rta-sport, rta-dport, rta-nh-id]

dump：

请求

attributes：

[rtm-family]

回复

attributes：

[rtm-family, rtm-dst-len, rtm-src-len, rtm-tos, rtm-table, rtm-protocol, rtm-scope, rtm-type, rtm-flags, rta-dst, rta-src, rta-iif, rta-oif, rta-gateway, rta-priority, rta-prefsrc, rta-metrics, rta-multipath, rta-flow, rta-cacheinfo, rta-table, rta-mark, rta-mfc-stats, rta-via, rta-newdst, rta-pref, rta-encap-type, rta-encap, rta-expires, rta-pad, rta-uid, rta-ttl-propagate, rta-ip-proto, rta-sport, rta-dport, rta-nh-id]

newroute

创建一个新的路由

attribute-set：

route-attrs

fixed-header：

rtmsg

do：

请求

attributes：

[rtm-family, rtm-dst-len, rtm-src-len, rtm-tos, rtm-table, rtm-protocol, rtm-scope, rtm-type, rtm-flags, rta-dst, rta-src, rta-iif, rta-oif, rta-gateway, rta-priority, rta-prefsrc, rta-metrics, rta-multipath, rta-flow, rta-cacheinfo, rta-table, rta-mark, rta-mfc-stats, rta-via, rta-newdst, rta-pref, rta-encap-type, rta-encap, rta-expires, rta-pad, rta-uid, rta-ttl-propagate, rta-ip-proto, rta-sport, rta-dport, rta-nh-id]

delroute

删除现有路由

attribute-set：

route-attrs

fixed-header：

rtmsg

do：

请求

attributes：

[rtm-family, rtm-dst-len, rtm-src-len, rtm-tos, rtm-table, rtm-protocol, rtm-scope, rtm-type, rtm-flags, rta-dst, rta-src, rta-iif, rta-oif, rta-gateway, rta-priority, rta-prefsrc, rta-metrics, rta-multipath, rta-flow, rta-cacheinfo, rta-table, rta-mark, rta-mfc-stats, rta-via, rta-newdst, rta-pref, rta-encap-type, rta-encap, rta-expires, rta-pad, rta-uid, rta-ttl-propagate, rta-ip-proto, rta-sport, rta-dport, rta-nh-id]

定义

rtm-type

name-prefix：

rtn-

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

rta-dst (binary)

display-hint：

ipv4

rta-src (binary)

display-hint：

ipv4

rta-iif (u32)

rta-oif (u32)

rta-gateway (binary)

display-hint：

ipv4

rta-priority (u32)

rta-prefsrc (binary)

display-hint：

ipv4

rta-metrics (nest)

nested-attributes：

rta-metrics

rta-multipath (binary)

rta-protoinfo (binary)

rta-flow (u32)

rta-cacheinfo (binary)

struct：

rta-cacheinfo

rta-session (binary)

rta-mp-algo (binary)

rta-table (u32)

rta-mark (u32)

rta-mfc-stats (binary)

rta-via (binary)

rta-newdst (binary)

rta-pref (u8)

rta-encap-type (u16)

rta-encap (binary)

rta-expires (u32)

rta-pad (binary)

rta-uid (u32)

rta-ttl-propagate (u8)

rta-ip-proto (u8)

rta-sport (u16)

rta-dport (u16)

rta-nh-id (u32)

rta-metrics

rtax-unspec (unused)

值:

0

rtax-lock (u32)

rtax-mtu (u32)

rtax-window (u32)

rtax-rtt (u32)

rtax-rttvar (u32)

rtax-ssthresh (u32)

rtax-cwnd (u32)

rtax-advmss (u32)

rtax-reordering (u32)

rtax-hoplimit (u32)

rtax-initcwnd (u32)

rtax-features (u32)

rtax-rto-min (u32)

rtax-initrwnd (u32)

rtax-quickack (u32)

rtax-cc-algo (string)

rtax-fastopen-no-cookie (u32)