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发表于 2023-9-20 18:16:48
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OVS-SETUP2 F f b- z2 s9 A; N! N
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1、清除之前的环境9 D0 X9 O* l9 r8 k' Q
killall ovsdb-server ovs-vswitchd j( Q) ~9 \: O- G0 G! ^* X2 o" }
rm -f /var/run/openvswitch/vhost-user*5 d. D2 L' t8 p. ^
rm -f /etc/openvswitch/conf.db
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+ I$ R2 Y0 G3 c; e' a* z2、启动ovsdb2 y1 A8 e. p& J1 \* t! l
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export DB_SOCK=/var/run/openvswitch/db.sock! q1 |& l1 V- }* T7 }* ]
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ovsdb-tool create /etc/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema
* F5 s% D7 f' q2 fovsdb-server --remote=punix:$DB_SOCK --remote=db:Open_vSwitch,Open_vSwitch,manager_options --pidfile --detach
# B, C1 n" a3 E+ T% {8 M# A6 {ovs-vsctl --no-wait init; w. o- `2 \' f: D9 e$ ]1 O# S
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-lcore-mask=0x2 //绑定到第2个cpu核上
+ k. S- s. k# P: _" ?# dovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-socket-mem=4096" X; V8 |/ x* L' Q
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true
! ^; h4 ~0 u! w- l( ~启动ovs-vswitch
" v# `5 S- B. t/ ~ovs-vswitchd unix:$DB_SOCK --pidfile --detach --log-file=/var/log/openvswitch/ovs-vswitchd.log$ U- B c4 o& [+ h/ o* H; g
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9 m- v6 E8 }: J0 x; ]$ d3、查看支持DPDK是否成功：' r6 @$ d0 n' p
$ _2 D2 ^& o' S/ s, H& s- P vovs-vsctl get Open_vSwitch . dpdk_initialized
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P5 S/ i) Q* y) c0 k. N3 D1 W配置bridge
/ s9 o, t2 r H. i7 i1 ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
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7 o* k# E! {/ H3 d% c$ B6 Z; T2、添加vhost-user-client-0/1 端口需要指定vhost-server-path值，表示socket文件路径。
. i- N& C$ I, U& F* {ovs-vsctl add-port ovsbr0 vhost-client-0 -- set Interface vhost-client-0 type=dpdkvhostuserclient options:vhost-server-path=/usr/local/var/run/sock0
/ t$ e# Z! W+ c9 R5 Bovs-vsctl add-port ovsbr0 vhost-client-1 -- set Interface vhost-client-1 type=dpdkvhostuserclient options:vhost-server-path=/usr/local/var/run/sock1
9 f9 A, V( F1 U- K; I' Qovs-vsctl show
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在网桥ovsbr0上绑定真实dpdk的物理网卡$ y5 I1 M8 E4 ^! }
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ovs-vsctl add-port ovsbr0 dpdkport0 -- set Interface dpdkport0 type=dpdk option:dpdk-devargs=0000:02:00.0; B% [. e0 a: \- n
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注：可以修改ovs桥中端口的mtu值方法如下：该命令设置可以在数据库持久，也可以配置物理接口- B$ m7 m! d( T0 g B9 o/ A
ovs-vsctl set interface ovsbr0 mtu_request=9000
( P+ A% \2 H/ e+ Q0 b% dovs-vsctl set interface dpdkport0 mtu_request=90002 C+ v& _6 \! I
ovs-vsctl set interface vhost-client-1 mtu_request=9000
/ l* {9 E# F; A7 P I. V% Z1 xovs-vsctl set interface vhost-client-0 mtu_request=9000
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该命令清除恢复到默认的MTU
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+ J, u( a' F+ d2 G2 ^$ m1 j+ Covs-vsctl set interface vhost-client-0 mtu_request=[]
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也可以直接使用添加端口的时候指定mtu值如下方式：2 J+ m5 O* T8 @
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ovs-vsctl add-port ovsbr0 vhost-client-0 -- set Interface vhost-client-0 type=dpdkvhostuserclient options:vhost-server-path=/usr/local/var/run/sock0 mtu_request=9000
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) c0 d# `' S/ H: @3 wovs-vsctl add-port ovsbr0 vhost-client-1 -- set Interface vhost-client-1 type=dpdkvhostuserclient options:vhost-server-path=/usr/local/var/run/sock1 mtu_request=9000
, v/ g- \0 ?' z- D$ o1 |2 D ovs-vsctl add-port ovsbr0 dpdkport0 -- set Interface dpdkport0 type=dpdk option:dpdk-devargs=0000:02:00.0 mtu_request=9000
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发表于 2023-9-20 18:07:50