标签：ipv4 udp 参考 形式 tcp6 val field 协议类型 rarp
精确匹配
field=value，如，nw_src=10.1.2.3.
按位匹配
field=value/mask，如，nw_src=10.1.0.0/255.255.0.0，nw_src=10.1.0.0/16.
通配
"field=*".
简便方式
Name Bytes Mask RW? Prereqs NXM/OXM Support ───────────────────── ──────────────── ───── ──── ──────── ───────────────────── tun_id aka tunnel_id 8 yes yes none OF 1.3+ and OVS 1.1+ tun_src 4 yes yes none OVS 2.0+ tun_dst 4 yes yes none OVS 2.0+ tun_ipv6_src 16 yes yes none OVS 2.5+ tun_ipv6_dst 16 yes yes none OVS 2.5+ tun_gbp_id 2 yes yes none OVS 2.4+ tun_gbp_flags 1 yes yes none OVS 2.4+ tun_erspan_ver 1 (low 4 bits) yes yes none OVS 2.10+ tun_erspan_idx 4 (low 20 bits) yes yes none OVS 2.10+ tun_erspan_dir 1 (low 1 bits) yes yes none OVS 2.10+ tun_erspan_hwid 1 (low 6 bits) yes yes none OVS 2.10+ tun_metadata0 124 yes yes none OVS 2.5+ tun_metadata1 124 yes yes none OVS 2.5+ tun_metadata2 124 yes yes none OVS 2.5+ tun_metadata3 124 yes yes none OVS 2.5+ tun_metadata4 124 yes yes none OVS 2.5+ tun_metadata5 124 yes yes none OVS 2.5+ tun_metadata6 124 yes yes none OVS 2.5+ tun_metadata7 124 yes yes none OVS 2.5+ tun_metadata8 124 yes yes none OVS 2.5+ tun_metadata9 124 yes yes none OVS 2.5+ tun_metadata10 124 yes yes none OVS 2.5+ tun_metadata11 124 yes yes none OVS 2.5+ tun_metadata12 124 yes yes none OVS 2.5+ tun_metadata13 124 yes yes none OVS 2.5+ tun_metadata14 124 yes yes none OVS 2.5+ tun_metadata15 124 yes yes none OVS 2.5+ tun_metadata16 124 yes yes none OVS 2.5+ tun_metadata17 124 yes yes none OVS 2.5+ tun_metadata18 124 yes yes none OVS 2.5+ tun_metadata19 124 yes yes none OVS 2.5+ tun_metadata20 124 yes yes none OVS 2.5+ tun_metadata21 124 yes yes none OVS 2.5+ tun_metadata22 124 yes yes none OVS 2.5+ tun_metadata23 124 yes yes none OVS 2.5+ tun_metadata24 124 yes yes none OVS 2.5+ tun_metadata25 124 yes yes none OVS 2.5+ tun_metadata26 124 yes yes none OVS 2.5+ tun_metadata27 124 yes yes none OVS 2.5+ tun_metadata28 124 yes yes none OVS 2.5+ tun_metadata29 124 yes yes none OVS 2.5+ tun_metadata30 124 yes yes none OVS 2.5+ tun_metadata31 124 yes yes none OVS 2.5+ tun_metadata32 124 yes yes none OVS 2.5+ tun_metadata33 124 yes yes none OVS 2.5+ tun_metadata34 124 yes yes none OVS 2.5+ tun_metadata35 124 yes yes none OVS 2.5+ tun_metadata36 124 yes yes none OVS 2.5+ tun_metadata37 124 yes yes none OVS 2.5+ tun_metadata38 124 yes yes none OVS 2.5+ tun_metadata39 124 yes yes none OVS 2.5+ tun_metadata40 124 yes yes none OVS 2.5+ tun_metadata41 124 yes yes none OVS 2.5+ tun_metadata42 124 yes yes none OVS 2.5+ tun_metadata43 124 yes yes none OVS 2.5+ tun_metadata44 124 yes yes none OVS 2.5+ tun_metadata45 124 yes yes none OVS 2.5+ tun_metadata46 124 yes yes none OVS 2.5+ tun_metadata47 124 yes yes none OVS 2.5+ tun_metadata48 124 yes yes none OVS 2.5+ tun_metadata49 124 yes yes none OVS 2.5+ tun_metadata50 124 yes yes none OVS 2.5+ tun_metadata51 124 yes yes none OVS 2.5+ tun_metadata52 124 yes yes none OVS 2.5+ tun_metadata53 124 yes yes none OVS 2.5+ tun_metadata54 124 yes yes none OVS 2.5+ tun_metadata55 124 yes yes none OVS 2.5+ tun_metadata56 124 yes yes none OVS 2.5+ tun_metadata57 124 yes yes none OVS 2.5+ tun_metadata58 124 yes yes none OVS 2.5+ tun_metadata59 124 yes yes none OVS 2.5+ tun_metadata60 124 yes yes none OVS 2.5+ tun_metadata61 124 yes yes none OVS 2.5+ tun_metadata62 124 yes yes none OVS 2.5+ tun_metadata63 124 yes yes none OVS 2.5+ tun_flags 2 (low 1 bits) yes yes none OVS 2.5+
tun_id: 即tunnel ID；对于VXLAN即是VNI，对于GRE则是key...
tun_src: 外层IP头的源IPv4地址。
tun_dst: 外层IP头的目的IPv4地址。
tun_metadata0: Geneve选项0.
| Name | Format |
| tun_id | hexadecimal |
| tun_src | IPv4 |
| tun_dst | IPv4 |
| tun_ipv6_src | IPv6 |
| tun_ipv6_dst | IPv6 |
| tun_gbp_id | decimal |
| tun_gbp_flags | hexadecimal |
| tun_erspan_ver | decimal |
| tun_erspan_idx | hexadecimal |
| tun_erspan_dir | decimal |
| tun_erspan_hwid | hexadecimal |
| tun_metadata0 | hexadecimal |
| tun_flags | tunnel flags |
字段格式：
decimal: 十进制或十六进制数（0x开头）；
hexadecimal: 十六进制数（0x开头）；
Ethernet: 以太网地址格式，xx:xx:xx:xx:xx:xx；
IPv4: IPv4地址格式，a.b.c.d, address/length, address/mask；
IPv6: IPv6地址格式；
OpenFlow 1.0 port: 16位十进制数字，或端口名称；
OpenFlow 1.1+ port: 和OpenFlow 1.0 port相同，但是端口号32位长；
Name Bytes Mask RW? Prereqs NXM/OXM Support ────────────── ────── ───── ──── ──────── ───────────────────── in_port 2 no yes none OVS 1.1+ in_port_oxm 4 no yes none OF 1.2+ and OVS 1.7+ skb_priority 4 no no none pkt_mark 4 yes yes none OVS 2.0+ actset_output 4 no no none OF 1.3+ and OVS 2.4+ packet_type 4 no no none OF 1.5+ and OVS 2.8+
in_port: 数据包输入端口。
actset_output: 当前action set中的输出端口，如果没有，则为OFPP_UNSET.
packet_type: 数据包类型；以(ns, ns_type)的形式表示，如(0,0)表示以太网。
| Name | Format |
| in_port | OpenFlow 1.0 port |
| in_port_oxm | OpenFlow 1.1+ port |
| skb_priority | hexadecimal |
| pkt_mark | hexadecimal |
| actset_output | OpenFlow 1.1+ port |
| packet_type | packet type |
Name Bytes Mask RW? Prereqs NXM/OXM Support ──────────── ────── ───── ──── ──────── ──────────────── ct_state 4 yes no none OVS 2.5+ ct_zone 2 no no none OVS 2.5+ ct_mark 4 yes yes none OVS 2.5+ ct_label 16 yes yes none OVS 2.5+ ct_nw_src 4 yes no CT OVS 2.8+ ct_nw_dst 4 yes no CT OVS 2.8+ ct_ipv6_src 16 yes no CT OVS 2.8+ ct_ipv6_dst 16 yes no CT OVS 2.8+ ct_nw_proto 1 no no CT OVS 2.8+ ct_tp_src 2 yes no CT OVS 2.8+ ct_tp_dst 2 yes no CT OVS 2.8+
ct_state: 连接状态；+state表示state被设置了，-state表示state没有被设置。支持以下状态标志：
new 新的连接；如果这是一个未提交的连接，则设为1；
est 已有连接的一部分；如果这是一个已提交的连接，则设为1；
rel 与已有连接相关；如ICMP的“目标不可达”或FTP数据连接；仅当与此标志相关的连接已提交时，此标志才为1；
rpl 数据包处于回复方向；如果这是一个已提交的连接，则设为1；
inv 无效状态，连接跟踪器无法识别该连接；
trk 该数据包被跟踪，即它之前已遍历了连接跟踪器；
snat 该数据包被之前的ct action实施了SNAT；
dnat 该数据包被之前的ct action实施了DNAT；
ct_nw_proto: IP协议类型。
| Name | Format |
| ct_state | ct state |
| ct_zone | hexadecimal |
| ct_label | hexadecimal |
| ct_nw_src | IPv4 |
| ct_nw_dst | IPv4 |
| ct_ipv6_src | IPv6 |
| ct_ipv6_dst | IPv6 |
| ct_nw_proto | decimal |
| ct_tp_src | decimal |
| ct_tp_dst | decimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ───────── ────── ───── ──── ──────── ───────────────────── metadata 8 yes yes none OF 1.2+ and OVS 1.8+ reg0 4 yes yes none OVS 1.1+ reg1 4 yes yes none OVS 1.1+ reg2 4 yes yes none OVS 1.1+ reg3 4 yes yes none OVS 1.1+ reg4 4 yes yes none OVS 1.3+ reg5 4 yes yes none OVS 1.7+ reg6 4 yes yes none OVS 1.7+ reg7 4 yes yes none OVS 1.7+ reg8 4 yes yes none OVS 2.6+ reg9 4 yes yes none OVS 2.6+ reg10 4 yes yes none OVS 2.6+ reg11 4 yes yes none OVS 2.6+ reg12 4 yes yes none OVS 2.6+ reg13 4 yes yes none OVS 2.6+ reg14 4 yes yes none OVS 2.6+ reg15 4 yes yes none OVS 2.6+ xreg0 8 yes yes none OF 1.3+ and OVS 2.4+ xreg1 8 yes yes none OF 1.3+ and OVS 2.4+ xreg2 8 yes yes none OF 1.3+ and OVS 2.4+ xreg3 8 yes yes none OF 1.3+ and OVS 2.4+ xreg4 8 yes yes none OF 1.3+ and OVS 2.4+ xreg5 8 yes yes none OF 1.3+ and OVS 2.4+ xreg6 8 yes yes none OF 1.3+ and OVS 2.4+ xreg7 8 yes yes none OF 1.3+ and OVS 2.4+ xxreg0 16 yes yes none OVS 2.6+ xxreg1 16 yes yes none OVS 2.6+ xxreg2 16 yes yes none OVS 2.6+ xxreg3 16 yes yes none OVS 2.6+
流水线处理过程中的临时存储。
| Name | Format |
| metadata | hexadecimal |
| reg0 | hexadecimal |
| xreg0 | hexadecimal |
| xxreg0 | hexadecimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ───────────────────── ────── ───── ──── ───────── ───────────────────── eth_src aka dl_src 6 yes yes Ethernet OF 1.2+ and OVS 1.1+ eth_dst aka dl_dst 6 yes yes Ethernet OF 1.2+ and OVS 1.1+ eth_type aka dl_type 2 no no Ethernet OF 1.2+ and OVS 1.1+
| Name | Format |
| eth_src | Ethernet |
| eth_dst | Ethernet |
| eth_type | hexadecimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ──────────── ──────────────── ───── ──── ───────── ───────────────────── dl_vlan 2 (low 12 bits) no yes Ethernet dl_vlan_pcp 1 (low 3 bits) no yes Ethernet vlan_vid 2 (low 12 bits) yes yes Ethernet OF 1.2+ and OVS 1.7+ vlan_pcp 1 (low 3 bits) no yes VLAN VID OF 1.2+ and OVS 1.7+ vlan_tci 2 yes yes Ethernet OVS 1.1+
| Name | Format |
| vlan_vid | decimal |
| vlan_pcp | decimal |
| vlan_tci | hexadecimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ─────────── ──────────────── ───── ──── ──────── ────────────────────── mpls_label 4 (low 20 bits) no yes MPLS OF 1.2+ and OVS 1.11+ mpls_tc 1 (low 3 bits) no yes MPLS OF 1.2+ and OVS 1.11+ mpls_bos 1 (low 1 bits) no no MPLS OF 1.3+ and OVS 1.11+ mpls_ttl 1 no yes MPLS OVS 2.6+
| Name | Format |
| mpls_label | decimal |
| mpls_tc | decimal |
| mpls_bos | decimal |
| mpls_ttl | decimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ────────────────────── ──────────────── ───── ──── ────────── ───────────────────── ip_src aka nw_src 4 yes yes IPv4 OF 1.2+ and OVS 1.1+ ip_dst aka nw_dst 4 yes yes IPv4 OF 1.2+ and OVS 1.1+ ipv6_src 16 yes yes IPv6 OF 1.2+ and OVS 1.1+ ipv6_dst 16 yes yes IPv6 OF 1.2+ and OVS 1.1+ ipv6_label 4 (low 20 bits) yes yes IPv6 OF 1.2+ and OVS 1.4+ nw_proto aka ip_proto 1 no no IPv4/IPv6 OF 1.2+ and OVS 1.1+ nw_ttl 1 no yes IPv4/IPv6 OVS 1.4+ ip_frag aka nw_frag 1 (low 2 bits) yes no IPv4/IPv6 OVS 1.3+ nw_tos 1 no yes IPv4/IPv6 OVS 1.1+ ip_dscp 1 (low 6 bits) no yes IPv4/IPv6 OF 1.2+ and OVS 1.7+ nw_ecn aka ip_ecn 1 (low 2 bits) no yes IPv4/IPv6 OF 1.2+ and OVS 1.4+
ip_frag: IP分片；可取值如下：
no 只匹配非分片数据包；
yes 匹配所有的分片；
first 只匹配偏移为0的分片；
later 只匹配偏移不为0的分片；
not_later 匹配非分片数据包或偏移为0的分片；
| Name | Format |
| ip_src | IPv4 |
| ip_dst | IPv4 |
| ipv6_src | IPv6 |
| ipv6_dst | IPv6 |
| nw_proto | decimal |
| nw_ttl | decimal |
| ip_frag | frag |
| nw_tos | decimal |
| ip_dscp | decimal |
| nw_ecn | decimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ──────── ────── ───── ──── ──────── ───────────────────── arp_op 2 no yes ARP OF 1.2+ and OVS 1.1+ arp_spa 4 yes yes ARP OF 1.2+ and OVS 1.1+ arp_tpa 4 yes yes ARP OF 1.2+ and OVS 1.1+ arp_sha 6 yes yes ARP OF 1.2+ and OVS 1.1+ arp_tha 6 yes yes ARP OF 1.2+ and OVS 1.1+
arp_op: ARP操作码；
arp_spa: 源IPv4地址；
arp_tpa: 目的IPv4地址；
arp_sha: 源以太网地址；
arp_tha: 目的以太网地址；
| Name | Format |
| arp_op | decimal |
| arp_spa | IPv4 |
| arp_tpa | IPv4 |
| arp_sha | Ethernet |
| arp_tha | Ethernet |
Name Bytes Mask RW? Prereqs NXM/OXM Support ───────────────── ──────────────── ───── ──── ──────── ──────────────── nsh_flags 1 yes yes NSH OVS 2.8+ nsh_ttl 1 no yes NSH OVS 2.9+ nsh_mdtype 1 no no NSH OVS 2.8+ nsh_np 1 no no NSH OVS 2.8+ nsh_spi aka nsp 4 (low 24 bits) no yes NSH OVS 2.8+ nsh_si aka nsi 1 no yes NSH OVS 2.8+ nsh_c1 aka nshc1 4 yes yes NSH OVS 2.8+ nsh_c2 aka nshc2 4 yes yes NSH OVS 2.8+ nsh_c3 aka nshc3 4 yes yes NSH OVS 2.8+ nsh_c4 aka nshc4 4 yes yes NSH OVS 2.8+
| Name | Format |
| nsh_flags | decimal |
| nsh_ttl | decimal |
| nsh_mdtype | decimal |
| nsh_np | decimal |
| nsh_spi | hexadecimal |
| nsh_si | decimal |
| nsh_c1 | hexadecimal |
| nsh_c2 | hexadecimal |
| nsh_c3 | hexadecimal |
| nsh_c4 | hexadecimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ─────────────────── ──────────────── ───── ──── ──────── ───────────────────── tcp_src aka tp_src 2 yes yes TCP OF 1.2+ and OVS 1.1+ tcp_dst aka tp_dst 2 yes yes TCP OF 1.2+ and OVS 1.1+ tcp_flags 2 (low 12 bits) yes no TCP OF 1.3+ and OVS 2.1+ udp_src 2 yes yes UDP OF 1.2+ and OVS 1.1+ udp_dst 2 yes yes UDP OF 1.2+ and OVS 1.1+ sctp_src 2 yes yes SCTP OF 1.2+ and OVS 2.0+ sctp_dst 2 yes yes SCTP OF 1.2+ and OVS 2.0+
| Name | Format |
| tcp_src | decimal |
| tcp_dst | decimal |
| tcp_flags | TCP flags |
| udp_src | decimal |
| udp_dst | decimal |
| sctp_src | decimal |
| sctp_dst | decimal |
Name Bytes Mask RW? Prereqs NXM/OXM Support ──────────── ────── ───── ──── ─────────── ───────────────────── icmp_type 1 no yes ICMPv4 OF 1.2+ and OVS 1.1+ icmp_code 1 no yes ICMPv4 OF 1.2+ and OVS 1.1+ icmpv6_type 1 no yes ICMPv6 OF 1.2+ and OVS 1.1+ icmpv6_code 1 no yes ICMPv6 OF 1.2+ and OVS 1.1+ nd_target 16 yes yes ND OF 1.2+ and OVS 1.1+ nd_sll 6 yes yes ND solicit OF 1.2+ and OVS 1.1+ nd_tll 6 yes yes ND advert OF 1.2+ and OVS 1.1+
nd_target: 邻居发现目标IPv6地址。
nd_sll: 邻居发现源以太网地址。
nd_tll: 邻居发现目的以太网地址。
| Name | Format |
| icmp_type | decimal |
| icmp_code | decimal |
| icmpv6_type | decimal |
| imcpv6_code | decimal |
| nd_target | IPv6 |
| nd_sll | Ethernet |
| nd_tll | Ethernet |
https://www.openvswitch.org/support/dist-docs/ovs-fields.7.txt
标签：ipv4 udp 参考 形式 tcp6 val field 协议类型 rarp
原文地址：https://www.cnblogs.com/gzming/p/14325859.html
