Suggested-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
---
doc/payload-expression.txt | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/doc/payload-expression.txt b/doc/payload-expression.txt
index 2a155aa87b6f..ce0c6a237db9 100644
--- a/doc/payload-expression.txt
+++ b/doc/payload-expression.txt
@@ -729,13 +729,13 @@ nftables currently supports matching (finding) a given ipv6 extension header, TC
*dst* {*nexthdr* | *hdrlength*}
*mh* {*nexthdr* | *hdrlength* | *checksum* | *type*}
*srh* {*flags* | *tag* | *sid* | *seg-left*}
-*tcp option* {*eol* | *nop* | *maxseg* | *window* | *sack-perm* | *sack* | *sack0* | *sack1* | *sack2* | *sack3* | *timestamp*} 'tcp_option_field'
+*tcp option* {*eol* | *nop* | *maxseg* | *window* | *sack-perm* | *sack* | *sack0* | *sack1* | *sack2* | *sack3* | *timestamp* | *mptcp* } 'tcp_option_field'
*ip option* { lsrr | ra | rr | ssrr } 'ip_option_field'
The following syntaxes are valid only in a relational expression with boolean type on right-hand side for checking header existence only:
[verse]
*exthdr* {*hbh* | *frag* | *rt* | *dst* | *mh*}
-*tcp option* {*eol* | *nop* | *maxseg* | *window* | *sack-perm* | *sack* | *sack0* | *sack1* | *sack2* | *sack3* | *timestamp*}
+*tcp option* {*eol* | *nop* | *maxseg* | *window* | *sack-perm* | *sack* | *sack0* | *sack1* | *sack2* | *sack3* | *timestamp* | *mptcp* }
*ip option* { lsrr | ra | rr | ssrr }
*dccp option* 'dccp_option_type'
@@ -794,8 +794,13 @@ length, left, right
|timestamp|
TCP Timestamps |
length, tsval, tsecr
+|mptcp|
+Multipath TCP |
+subtype
|============================
+Data types can be queried with 'nft describe tcp option *keyword* [ *fieldname* ]'.
+
TCP option matching also supports raw expression syntax to access arbitrary options:
[verse]
*tcp option*
--
2.48.1
