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|
# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
name: conntrack
protocol: netlink-raw
protonum: 12
doc:
Netfilter connection tracking subsystem over nfnetlink
definitions:
-
name: nfgenmsg
type: struct
members:
-
name: nfgen-family
type: u8
-
name: version
type: u8
-
name: res-id
byte-order: big-endian
type: u16
-
name: nf-ct-tcp-flags-mask
type: struct
members:
-
name: flags
type: u8
enum: nf-ct-tcp-flags
enum-as-flags: true
-
name: mask
type: u8
enum: nf-ct-tcp-flags
enum-as-flags: true
-
name: nf-ct-tcp-flags
type: flags
entries:
- window-scale
- sack-perm
- close-init
- be-liberal
- unacked
- maxack
- challenge-ack
- simultaneous-open
-
name: nf-ct-tcp-state
type: enum
entries:
- none
- syn-sent
- syn-recv
- established
- fin-wait
- close-wait
- last-ack
- time-wait
- close
- syn-sent2
- max
- ignore
- retrans
- unack
- timeout-max
-
name: nf-ct-sctp-state
type: enum
entries:
- none
- cloned
- cookie-wait
- cookie-echoed
- established
- shutdown-sent
- shutdown-received
- shutdown-ack-sent
- shutdown-heartbeat-sent
-
name: nf-ct-status
type: flags
entries:
- expected
- seen-reply
- assured
- confirmed
- src-nat
- dst-nat
- seq-adj
- src-nat-done
- dst-nat-done
- dying
- fixed-timeout
- template
- nat-clash
- helper
- offload
- hw-offload
attribute-sets:
-
name: counter-attrs
attributes:
-
name: packets
type: u64
byte-order: big-endian
-
name: bytes
type: u64
byte-order: big-endian
-
name: packets-old
type: u32
-
name: bytes-old
type: u32
-
name: pad
type: pad
-
name: tuple-proto-attrs
attributes:
-
name: proto-num
type: u8
doc: l4 protocol number
-
name: proto-src-port
type: u16
byte-order: big-endian
doc: l4 source port
-
name: proto-dst-port
type: u16
byte-order: big-endian
doc: l4 source port
-
name: proto-icmp-id
type: u16
byte-order: big-endian
doc: l4 icmp id
-
name: proto-icmp-type
type: u8
-
name: proto-icmp-code
type: u8
-
name: proto-icmpv6-id
type: u16
byte-order: big-endian
doc: l4 icmp id
-
name: proto-icmpv6-type
type: u8
-
name: proto-icmpv6-code
type: u8
-
name: tuple-ip-attrs
attributes:
-
name: ip-v4-src
type: u32
byte-order: big-endian
display-hint: ipv4
doc: ipv4 source address
-
name: ip-v4-dst
type: u32
byte-order: big-endian
display-hint: ipv4
doc: ipv4 destination address
-
name: ip-v6-src
type: binary
checks:
min-len: 16
byte-order: big-endian
display-hint: ipv6
doc: ipv6 source address
-
name: ip-v6-dst
type: binary
checks:
min-len: 16
byte-order: big-endian
display-hint: ipv6
doc: ipv6 destination address
-
name: tuple-attrs
attributes:
-
name: tuple-ip
type: nest
nested-attributes: tuple-ip-attrs
doc: conntrack l3 information
-
name: tuple-proto
type: nest
nested-attributes: tuple-proto-attrs
doc: conntrack l4 information
-
name: tuple-zone
type: u16
byte-order: big-endian
doc: conntrack zone id
-
name: protoinfo-tcp-attrs
attributes:
-
name: tcp-state
type: u8
enum: nf-ct-tcp-state
doc: tcp connection state
-
name: tcp-wscale-original
type: u8
doc: window scaling factor in original direction
-
name: tcp-wscale-reply
type: u8
doc: window scaling factor in reply direction
-
name: tcp-flags-original
type: binary
struct: nf-ct-tcp-flags-mask
-
name: tcp-flags-reply
type: binary
struct: nf-ct-tcp-flags-mask
-
name: protoinfo-dccp-attrs
attributes:
-
name: dccp-state
type: u8
doc: dccp connection state
-
name: dccp-role
type: u8
-
name: dccp-handshake-seq
type: u64
byte-order: big-endian
-
name: dccp-pad
type: pad
-
name: protoinfo-sctp-attrs
attributes:
-
name: sctp-state
type: u8
doc: sctp connection state
enum: nf-ct-sctp-state
-
name: vtag-original
type: u32
byte-order: big-endian
-
name: vtag-reply
type: u32
byte-order: big-endian
-
name: protoinfo-attrs
attributes:
-
name: protoinfo-tcp
type: nest
nested-attributes: protoinfo-tcp-attrs
doc: conntrack tcp state information
-
name: protoinfo-dccp
type: nest
nested-attributes: protoinfo-dccp-attrs
doc: conntrack dccp state information
-
name: protoinfo-sctp
type: nest
nested-attributes: protoinfo-sctp-attrs
doc: conntrack sctp state information
-
name: help-attrs
attributes:
-
name: help-name
type: string
doc: helper name
-
name: nat-proto-attrs
attributes:
-
name: nat-port-min
type: u16
byte-order: big-endian
-
name: nat-port-max
type: u16
byte-order: big-endian
-
name: nat-attrs
attributes:
-
name: nat-v4-minip
type: u32
byte-order: big-endian
-
name: nat-v4-maxip
type: u32
byte-order: big-endian
-
name: nat-v6-minip
type: binary
-
name: nat-v6-maxip
type: binary
-
name: nat-proto
type: nest
nested-attributes: nat-proto-attrs
-
name: seqadj-attrs
attributes:
-
name: correction-pos
type: u32
byte-order: big-endian
-
name: offset-before
type: u32
byte-order: big-endian
-
name: offset-after
type: u32
byte-order: big-endian
-
name: secctx-attrs
attributes:
-
name: secctx-name
type: string
-
name: synproxy-attrs
attributes:
-
name: isn
type: u32
byte-order: big-endian
-
name: its
type: u32
byte-order: big-endian
-
name: tsoff
type: u32
byte-order: big-endian
-
name: conntrack-attrs
attributes:
-
name: tuple-orig
type: nest
nested-attributes: tuple-attrs
doc: conntrack l3+l4 protocol information, original direction
-
name: tuple-reply
type: nest
nested-attributes: tuple-attrs
doc: conntrack l3+l4 protocol information, reply direction
-
name: status
type: u32
byte-order: big-endian
enum: nf-ct-status
enum-as-flags: true
doc: conntrack flag bits
-
name: protoinfo
type: nest
nested-attributes: protoinfo-attrs
-
name: help
type: nest
nested-attributes: help-attrs
-
name: nat-src
type: nest
nested-attributes: nat-attrs
-
name: timeout
type: u32
byte-order: big-endian
-
name: mark
type: u32
byte-order: big-endian
-
name: counters-orig
type: nest
nested-attributes: counter-attrs
-
name: counters-reply
type: nest
nested-attributes: counter-attrs
-
name: use
type: u32
byte-order: big-endian
-
name: id
type: u32
byte-order: big-endian
-
name: nat-dst
type: nest
nested-attributes: nat-attrs
-
name: tuple-master
type: nest
nested-attributes: tuple-attrs
-
name: seq-adj-orig
type: nest
nested-attributes: seqadj-attrs
-
name: seq-adj-reply
type: nest
nested-attributes: seqadj-attrs
-
name: secmark
type: binary
doc: obsolete
-
name: zone
type: u16
byte-order: big-endian
doc: conntrack zone id
-
name: secctx
type: nest
nested-attributes: secctx-attrs
-
name: timestamp
type: u64
byte-order: big-endian
-
name: mark-mask
type: u32
byte-order: big-endian
-
name: labels
type: binary
-
name: labels mask
type: binary
-
name: synproxy
type: nest
nested-attributes: synproxy-attrs
-
name: filter
type: nest
nested-attributes: tuple-attrs
-
name: status-mask
type: u32
byte-order: big-endian
enum: nf-ct-status
enum-as-flags: true
doc: conntrack flag bits to change
-
name: timestamp-event
type: u64
byte-order: big-endian
-
name: conntrack-stats-attrs
attributes:
-
name: searched
type: u32
byte-order: big-endian
doc: obsolete
-
name: found
type: u32
byte-order: big-endian
-
name: new
type: u32
byte-order: big-endian
doc: obsolete
-
name: invalid
type: u32
byte-order: big-endian
doc: obsolete
-
name: ignore
type: u32
byte-order: big-endian
doc: obsolete
-
name: delete
type: u32
byte-order: big-endian
doc: obsolete
-
name: delete-list
type: u32
byte-order: big-endian
doc: obsolete
-
name: insert
type: u32
byte-order: big-endian
-
name: insert-failed
type: u32
byte-order: big-endian
-
name: drop
type: u32
byte-order: big-endian
-
name: early-drop
type: u32
byte-order: big-endian
-
name: error
type: u32
byte-order: big-endian
-
name: search-restart
type: u32
byte-order: big-endian
-
name: clash-resolve
type: u32
byte-order: big-endian
-
name: chain-toolong
type: u32
byte-order: big-endian
operations:
enum-model: directional
list:
-
name: get
doc: get / dump entries
attribute-set: conntrack-attrs
fixed-header: nfgenmsg
do:
request:
value: 0x101
attributes:
- tuple-orig
- tuple-reply
- zone
reply:
value: 0x100
attributes:
- tuple-orig
- tuple-reply
- status
- protoinfo
- help
- nat-src
- nat-dst
- timeout
- mark
- counter-orig
- counter-reply
- use
- id
- nat-dst
- tuple-master
- seq-adj-orig
- seq-adj-reply
- zone
- secctx
- labels
- synproxy
dump:
request:
value: 0x101
attributes:
- nfgen-family
- mark
- filter
- status
- zone
reply:
value: 0x100
attributes:
- tuple-orig
- tuple-reply
- status
- protoinfo
- help
- nat-src
- nat-dst
- timeout
- mark
- counter-orig
- counter-reply
- use
- id
- nat-dst
- tuple-master
- seq-adj-orig
- seq-adj-reply
- zone
- secctx
- labels
- synproxy
-
name: get-stats
doc: dump pcpu conntrack stats
attribute-set: conntrack-stats-attrs
fixed-header: nfgenmsg
dump:
request:
value: 0x104
reply:
value: 0x104
attributes:
- searched
- found
- insert
- insert-failed
- drop
- early-drop
- error
- search-restart
- clash-resolve
- chain-toolong
|