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发表于 2023-9-20 18:16:48
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OVS-SETUP
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1、清除之前的环境9 U2 {5 _7 k5 N6 R- j5 P
killall ovsdb-server ovs-vswitchd- E5 y. i# ] v! J% d
rm -f /var/run/openvswitch/vhost-user*" h" g: L/ ~/ z' J
rm -f /etc/openvswitch/conf.db
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Y; v5 V o$ M( \/ b: w& {5 {2、启动ovsdb
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3 I+ N% B+ V) D" }) N" aexport DB_SOCK=/var/run/openvswitch/db.sock
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ovsdb-tool create /etc/openvswitch/conf.db /usr/share/openvswitch/vswitch.ovsschema Q% v7 N/ k7 i6 ^, e) e8 N; l
ovsdb-server --remote=punix:$DB_SOCK --remote=db:Open_vSwitch,Open_vSwitch,manager_options --pidfile --detach
' U3 U( E$ ?" {5 f$ C$ [ovs-vsctl --no-wait init
# `& _; R6 T4 covs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-lcore-mask=0x2 //绑定到第2个cpu核上3 B( R6 h/ P5 [
ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-socket-mem=4096
) r' L8 w1 i! {+ tovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true) k; `' ~ {) h& `: w k
启动ovs-vswitch
; v. x! {4 A" g" xovs-vswitchd unix:$DB_SOCK --pidfile --detach --log-file=/var/log/openvswitch/ovs-vswitchd.log, X6 D/ |# ^; V9 K5 T! X1 T
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7 ~# m- D5 r8 S4 q/ B ^. Y2 X3、查看支持DPDK是否成功：
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ovs-vsctl get Open_vSwitch . dpdk_initialized" L) s/ J) F. C0 O7 [; P! d
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) A1 P: _- X( T+ U3 @3 c b配置bridge$ D1 N# }& f, Z, k' c* a
1 ovs-vsctl add-br ovsbr0 -- set bridge ovsbr0 datapath_type=netdev
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; s; i3 m3 z' |2、添加vhost-user-client-0/1 端口需要指定vhost-server-path值，表示socket文件路径。
6 }. b9 s1 y6 S7 w* |6 @* Uovs-vsctl add-port ovsbr0 vhost-client-0 -- set Interface vhost-client-0 type=dpdkvhostuserclient options:vhost-server-path=/usr/local/var/run/sock07 S8 ]4 K! l! T# E5 e, X7 a
ovs-vsctl add-port ovsbr0 vhost-client-1 -- set Interface vhost-client-1 type=dpdkvhostuserclient options:vhost-server-path=/usr/local/var/run/sock1
" O4 W4 ]% n, ]& \- _ovs-vsctl show
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在网桥ovsbr0上绑定真实dpdk的物理网卡
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ovs-vsctl add-port ovsbr0 dpdkport0 -- set Interface dpdkport0 type=dpdk option:dpdk-devargs=0000:02:00.0
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& n- ]7 e# P9 y6 G: t1 {% R! y* i) S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+ ?$ I) A* Y; e
ovs-vsctl set interface ovsbr0 mtu_request=90006 H! i9 \ d5 [) k- q4 @3 X
ovs-vsctl set interface dpdkport0 mtu_request=9000$ H" O+ Y8 p2 G" s
ovs-vsctl set interface vhost-client-1 mtu_request=9000* \- |7 A8 n( p' a% V+ l9 ]8 Y
ovs-vsctl set interface vhost-client-0 mtu_request=90005 n; A! b( }* n6 R# M1 C
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该命令清除恢复到默认的MTU+ s% j1 h. G* {. {' `, h# y+ J
, k8 Z! a6 G6 R4 e% bovs-vsctl set interface vhost-client-0 mtu_request=[]( p# U! q' x5 r0 D. \" q
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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：
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8 q" J2 g7 o1 ^( M( d. P 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* k& k4 X3 M8 V' |- W% X6 k
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k5 p5 G( r" M8 L! u! lovs-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
* s; B( A5 G3 w. f 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