diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/payload-expression.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/doc/payload-expression.txt b/doc/payload-expression.txt index f7ff7c10..8d779f6a 100644 --- a/doc/payload-expression.txt +++ b/doc/payload-expression.txt @@ -562,6 +562,39 @@ integer (16 bit) netdev filter ingress gre ip daddr 9.9.9.9 counter ------------------------------------------------------------ +GENEVE HEADER EXPRESSION +~~~~~~~~~~~~~~~~~~~~~~~~ +[verse] +*geneve* {*vni* | *flags*} +*geneve* *ether* {*daddr* | *saddr* | *type*} +*geneve* *vlan* {*id* | *dei* | *pcp* | *type*} +*geneve* *ip* {*version* | *hdrlength* | *dscp* | *ecn* | *length* | *id* | *frag-off* | *ttl* | *protocol* | *checksum* | *saddr* | *daddr* } +*geneve* *ip6* {*version* | *dscp* | *ecn* | *flowlabel* | *length* | *nexthdr* | *hoplimit* | *saddr* | *daddr*} +*geneve* *tcp* {*sport* | *dport* | *sequence* | *ackseq* | *doff* | *reserved* | *flags* | *window* | *checksum* | *urgptr*} +*geneve* *udp* {*sport* | *dport* | *length* | *checksum*} + +The geneve expression is used to match on the geneve header fields. The geneve +header encapsulates a ethernet frame within a *udp* packet. This expression +requires that you restrict the matching to *udp* packets (usually at +port 6081 according to IANA-assigned ports). + +.GENEVE header expression +[options="header"] +|================== +|Keyword| Description| Type +|protocol| +EtherType of encapsulated packet| +integer (16 bit) +|vni| +Virtual Network ID (VNI)| +integer (24 bit) +|================== + +.Matching inner TCP destination port encapsulated in geneve +---------------------------------------------------------- +netdev filter ingress udp dport 4789 geneve tcp dport 80 counter +---------------------------------------------------------- + VXLAN HEADER EXPRESSION ~~~~~~~~~~~~~~~~~~~~~~~ [verse] |