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bump netlink library

Browse source 
bump netlink to 1.2.1
change usages of netlink handle .Delete() to Close()
remove superfluous replace in vendor.mod
make requires of github.com/Azure/go-ansiterm direct

Signed-off-by: Martin Braun <braun@neuroforge.de>
This commit is contained in:
Martin Braun 2022-06-13 00:06:40 +02:00
parent 74286cba8c
commit 5edfd6d081
60 changed files with 5185 additions and 486 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
libnetwork/drivers/bridge/setup_device_test.go
View file

@ -20,7 +20,7 @@ func TestSetupNewBridge(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
config := &networkConfiguration{BridgeName: DefaultBridgeName}
br := &bridgeInterface{nlh: nh}
@ -46,7 +46,7 @@ func TestSetupNewNonDefaultBridge(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
config := &networkConfiguration{BridgeName: "test0", DefaultBridge: true}
br := &bridgeInterface{nlh: nh}
@ -68,7 +68,7 @@ func TestSetupDeviceUp(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
config := &networkConfiguration{BridgeName: DefaultBridgeName}
br := &bridgeInterface{nlh: nh}

4
libnetwork/drivers/bridge/setup_ipv4_test.go
View file

@ -34,7 +34,7 @@ func TestSetupBridgeIPv4Fixed(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
config, br := setupTestInterface(t, nh)
config.AddressIPv4 = &net.IPNet{IP: ip, Mask: netw.Mask}
@ -67,7 +67,7 @@ func TestSetupGatewayIPv4(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
ip, nw, _ := net.ParseCIDR("192.168.0.24/16")
nw.IP = ip

4
libnetwork/drivers/bridge/setup_ipv6_test.go
View file

@ -21,7 +21,7 @@ func TestSetupIPv6(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
config, br := setupTestInterface(t, nh)
if err := setupBridgeIPv6(config, br); err != nil {
@ -71,7 +71,7 @@ func TestSetupGatewayIPv6(t *testing.T) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
br := &bridgeInterface{nlh: nh}

2
libnetwork/drivers/overlay/ov_network.go
View file

@ -436,7 +436,7 @@ func populateVNITbl() {
logrus.Errorf("Could not open netlink handle during vni population for ns %s: %v", path, err)
return nil
}
defer nlh.Delete()
defer nlh.Close()
err = nlh.SetSocketTimeout(soTimeout)
if err != nil {

2
libnetwork/drivers/overlay/ov_utils.go
View file

@ -139,7 +139,7 @@ func deleteVxlanByVNI(path string, vni uint32) error {
if err != nil {
return fmt.Errorf("failed to get netlink handle for ns %s: %v", path, err)
}
defer nlh.Delete()
defer nlh.Close()
err = nlh.SetSocketTimeout(soTimeout)
if err != nil {
logrus.Warnf("Failed to set the timeout on the netlink handle sockets for vxlan deletion: %v", err)

6
libnetwork/osl/namespace_linux.go
View file

@ -234,7 +234,7 @@ func NewSandbox(key string, osCreate, isRestore bool) (Sandbox, error) {
}
if err = n.loopbackUp(); err != nil {
n.nlHandle.Delete()
n.nlHandle.Close()
return nil, err
}
@ -287,7 +287,7 @@ func GetSandboxForExternalKey(basePath string, key string) (Sandbox, error) {
}
if err = n.loopbackUp(); err != nil {
n.nlHandle.Delete()
n.nlHandle.Close()
return nil, err
}
@ -469,7 +469,7 @@ func (n *networkNamespace) Key() string {
func (n *networkNamespace) Destroy() error {
if n.nlHandle != nil {
n.nlHandle.Delete()
n.nlHandle.Close()
}
// Assuming no running process is executing in this network namespace,
// unmounting is sufficient to destroy it.

2
libnetwork/osl/sandbox_linux_test.go
View file

@ -134,7 +134,7 @@ func verifySandbox(t *testing.T, s Sandbox, ifaceSuffixes []string) {
if err != nil {
t.Fatal(err)
}
defer nh.Delete()
defer nh.Close()
for _, suffix := range ifaceSuffixes {
_, err = nh.LinkByName(sboxIfaceName + suffix)

5
vendor.mod
View file

@ -9,6 +9,7 @@ go 1.17
require (
cloud.google.com/go v0.93.3
cloud.google.com/go/logging v1.4.2
github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1
github.com/Graylog2/go-gelf v0.0.0-20191017102106-1550ee647df0
github.com/Microsoft/go-winio v0.5.2
github.com/Microsoft/hcsshim v0.9.3
@ -74,7 +75,7 @@ require (
github.com/tonistiigi/fsutil v0.0.0-20220115021204-b19f7f9cb274
github.com/tonistiigi/go-archvariant v1.0.0
github.com/vbatts/tar-split v0.11.2
github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5
github.com/vishvananda/netlink v1.2.1-beta.2
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f
go.etcd.io/bbolt v1.3.6
golang.org/x/net v0.0.0-20211216030914-fe4d6282115f
@ -88,7 +89,6 @@ require (
require (
code.cloudfoundry.org/clock v1.0.0 // indirect
github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
github.com/agext/levenshtein v1.2.3 // indirect
github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2 // indirect
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da // indirect
@ -177,7 +177,6 @@ replace (
github.com/matttproud/golang_protobuf_extensions => github.com/matttproud/golang_protobuf_extensions v1.0.1
github.com/prometheus/client_golang => github.com/prometheus/client_golang v1.6.0
github.com/prometheus/procfs => github.com/prometheus/procfs v0.0.11
github.com/vishvananda/netlink => github.com/vishvananda/netlink v1.1.0
go.opencensus.io => go.opencensus.io v0.22.3
)

6
vendor.sum
View file

@ -967,8 +967,12 @@ github.com/urfave/cli v1.22.4/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtX
github.com/urfave/cli/v2 v2.4.0/go.mod h1:NX9W0zmTvedE5oDoOMs2RTC8RvdK98NTYZE5LbaEYPg=
github.com/vbatts/tar-split v0.11.2 h1:Via6XqJr0hceW4wff3QRzD5gAk/tatMw/4ZA7cTlIME=
github.com/vbatts/tar-split v0.11.2/go.mod h1:vV3ZuO2yWSVsz+pfFzDG/upWH1JhjOiEaWq6kXyQ3VI=
github.com/vishvananda/netlink v1.1.0 h1:1iyaYNBLmP6L0220aDnYQpo1QEV4t4hJ+xEEhhJH8j0=
github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
github.com/vishvananda/netlink v1.1.1-0.20201029203352-d40f9887b852/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
github.com/vishvananda/netlink v1.2.1-beta.2 h1:Llsql0lnQEbHj0I1OuKyp8otXp0r3q0mPkuhwHfStVs=
github.com/vishvananda/netlink v1.2.1-beta.2/go.mod h1:twkDnbuQxJYemMlGd4JFIcuhgX83tXhKS2B/PRMpOho=
github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc/go.mod h1:ZjcWmFBXmLKZu9Nxj3WKYEafiSqer2rnvPr0en9UNpI=
github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=

19
vendor/github.com/vishvananda/netlink/.travis.yml generated vendored
View file

@ -1,19 +0,0 @@
language: go
go:
- "1.10.x"
- "1.11.x"
- "1.12.x"
before_script:
# make sure we keep path in tact when we sudo
- sudo sed -i -e 's/^Defaults\tsecure_path.*$//' /etc/sudoers
# modprobe ip_gre or else the first gre device can't be deleted
- sudo modprobe ip_gre
# modprobe nf_conntrack for the conntrack testing
- sudo modprobe nf_conntrack
- sudo modprobe nf_conntrack_netlink
- sudo modprobe nf_conntrack_ipv4
- sudo modprobe nf_conntrack_ipv6
- sudo modprobe sch_hfsc
install:
- go get github.com/vishvananda/netns
go_import_path: github.com/vishvananda/netlink

2
vendor/github.com/vishvananda/netlink/README.md generated vendored
View file

@ -1,6 +1,6 @@
# netlink - netlink library for go #
[![Build Status](https://travis-ci.org/vishvananda/netlink.png?branch=master)](https://travis-ci.org/vishvananda/netlink) [![GoDoc](https://godoc.org/github.com/vishvananda/netlink?status.svg)](https://godoc.org/github.com/vishvananda/netlink)
![Build Status](https://github.com/vishvananda/netlink/actions/workflows/main.yml/badge.svg) [![GoDoc](https://godoc.org/github.com/vishvananda/netlink?status.svg)](https://godoc.org/github.com/vishvananda/netlink)
The netlink package provides a simple netlink library for go. Netlink
is the interface a user-space program in linux uses to communicate with

1
vendor/github.com/vishvananda/netlink/addr.go generated vendored
View file

@ -17,6 +17,7 @@ type Addr struct {
Broadcast net.IP
PreferedLft int
ValidLft int
LinkIndex int
}
// String returns $ip/$netmask $label

58
vendor/github.com/vishvananda/netlink/addr_linux.go generated vendored
View file

@ -11,9 +11,6 @@ import (
"golang.org/x/sys/unix"
)
// IFA_FLAGS is a u32 attribute.
const IFA_FLAGS = 0x8
// AddrAdd will add an IP address to a link device.
//
// Equivalent to: `ip addr add $addr dev $link`
@ -125,7 +122,7 @@ func (h *Handle) addrHandle(link Link, addr *Addr, req *nl.NetlinkRequest) error
} else {
b := make([]byte, 4)
native.PutUint32(b, uint32(addr.Flags))
flagsData := nl.NewRtAttr(IFA_FLAGS, b)
flagsData := nl.NewRtAttr(unix.IFA_FLAGS, b)
req.AddData(flagsData)
}
}
@ -156,10 +153,10 @@ func (h *Handle) addrHandle(link Link, addr *Addr, req *nl.NetlinkRequest) error
// value should be "forever". To compensate for that, only add the attributes if at least one of the values is
// non-zero, which means the caller has explicitly set them
if addr.ValidLft > 0 || addr.PreferedLft > 0 {
cachedata := nl.IfaCacheInfo{
IfaValid: uint32(addr.ValidLft),
IfaPrefered: uint32(addr.PreferedLft),
}
cachedata := nl.IfaCacheInfo{unix.IfaCacheinfo{
Valid: uint32(addr.ValidLft),
Prefered: uint32(addr.PreferedLft),
}}
req.AddData(nl.NewRtAttr(unix.IFA_CACHEINFO, cachedata.Serialize()))
}
@ -179,7 +176,7 @@ func AddrList(link Link, family int) ([]Addr, error) {
// The list can be filtered by link and ip family.
func (h *Handle) AddrList(link Link, family int) ([]Addr, error) {
req := h.newNetlinkRequest(unix.RTM_GETADDR, unix.NLM_F_DUMP)
msg := nl.NewIfInfomsg(family)
msg := nl.NewIfAddrmsg(family)
req.AddData(msg)
msgs, err := req.Execute(unix.NETLINK_ROUTE, unix.RTM_NEWADDR)
@ -196,12 +193,12 @@ func (h *Handle) AddrList(link Link, family int) ([]Addr, error) {
var res []Addr
for _, m := range msgs {
addr, msgFamily, ifindex, err := parseAddr(m)
addr, msgFamily, err := parseAddr(m)
if err != nil {
return res, err
}
if link != nil && ifindex != indexFilter {
if link != nil && addr.LinkIndex != indexFilter {
// Ignore messages from other interfaces
continue
}
@ -216,11 +213,11 @@ func (h *Handle) AddrList(link Link, family int) ([]Addr, error) {
return res, nil
}
func parseAddr(m []byte) (addr Addr, family, index int, err error) {
func parseAddr(m []byte) (addr Addr, family int, err error) {
msg := nl.DeserializeIfAddrmsg(m)
family = -1
index = -1
addr.LinkIndex = -1
attrs, err1 := nl.ParseRouteAttr(m[msg.Len():])
if err1 != nil {
@ -229,7 +226,7 @@ func parseAddr(m []byte) (addr Addr, family, index int, err error) {
}
family = int(msg.Family)
index = int(msg.Index)
addr.LinkIndex = int(msg.Index)
var local, dst *net.IPNet
for _, attr := range attrs {
@ -254,12 +251,12 @@ func parseAddr(m []byte) (addr Addr, family, index int, err error) {
addr.Broadcast = attr.Value
case unix.IFA_LABEL:
addr.Label = string(attr.Value[:len(attr.Value)-1])
case IFA_FLAGS:
case unix.IFA_FLAGS:
addr.Flags = int(native.Uint32(attr.Value[0:4]))
case nl.IFA_CACHEINFO:
case unix.IFA_CACHEINFO:
ci := nl.DeserializeIfaCacheInfo(attr.Value)
addr.PreferedLft = int(ci.IfaPrefered)
addr.ValidLft = int(ci.IfaValid)
addr.PreferedLft = int(ci.Prefered)
addr.ValidLft = int(ci.Valid)
}
}
@ -271,7 +268,7 @@ func parseAddr(m []byte) (addr Addr, family, index int, err error) {
// But obviously, as there are IPv6 PtP addresses, too,
// IFA_LOCAL should also be handled for IPv6.
if local != nil {
if family == FAMILY_V4 && local.IP.Equal(dst.IP) {
if family == FAMILY_V4 && dst != nil && local.IP.Equal(dst.IP) {
addr.IPNet = dst
} else {
addr.IPNet = local
@ -299,13 +296,13 @@ type AddrUpdate struct {
// AddrSubscribe takes a chan down which notifications will be sent
// when addresses change. Close the 'done' chan to stop subscription.
func AddrSubscribe(ch chan<- AddrUpdate, done <-chan struct{}) error {
return addrSubscribeAt(netns.None(), netns.None(), ch, done, nil, false, 0)
return addrSubscribeAt(netns.None(), netns.None(), ch, done, nil, false, 0, nil)
}
// AddrSubscribeAt works like AddrSubscribe plus it allows the caller
// to choose the network namespace in which to subscribe (ns).
func AddrSubscribeAt(ns netns.NsHandle, ch chan<- AddrUpdate, done <-chan struct{}) error {
return addrSubscribeAt(ns, netns.None(), ch, done, nil, false, 0)
return addrSubscribeAt(ns, netns.None(), ch, done, nil, false, 0, nil)
}
// AddrSubscribeOptions contains a set of options to use with
@ -315,6 +312,7 @@ type AddrSubscribeOptions struct {
ErrorCallback func(error)
ListExisting bool
ReceiveBufferSize int
ReceiveTimeout *unix.Timeval
}
// AddrSubscribeWithOptions work like AddrSubscribe but enable to
@ -325,14 +323,20 @@ func AddrSubscribeWithOptions(ch chan<- AddrUpdate, done <-chan struct{}, option
none := netns.None()
options.Namespace = &none
}
return addrSubscribeAt(*options.Namespace, netns.None(), ch, done, options.ErrorCallback, options.ListExisting, options.ReceiveBufferSize)
return addrSubscribeAt(*options.Namespace, netns.None(), ch, done, options.ErrorCallback, options.ListExisting, options.ReceiveBufferSize, options.ReceiveTimeout)
}
func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-chan struct{}, cberr func(error), listExisting bool, rcvbuf int) error {
func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-chan struct{}, cberr func(error), listExisting bool, rcvbuf int, rcvTimeout *unix.Timeval) error {
s, err := nl.SubscribeAt(newNs, curNs, unix.NETLINK_ROUTE, unix.RTNLGRP_IPV4_IFADDR, unix.RTNLGRP_IPV6_IFADDR)
if err != nil {
return err
}
if rcvTimeout != nil {
if err := s.SetReceiveTimeout(rcvTimeout); err != nil {
return err
}
}
if done != nil {
go func() {
<-done
@ -360,7 +364,8 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
msgs, from, err := s.Receive()
if err != nil {
if cberr != nil {
cberr(err)
cberr(fmt.Errorf("Receive failed: %v",
err))
}
return
}
@ -375,7 +380,6 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
continue
}
if m.Header.Type == unix.NLMSG_ERROR {
native := nl.NativeEndian()
error := int32(native.Uint32(m.Data[0:4]))
if error == 0 {
continue
@ -394,7 +398,7 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
continue
}
addr, _, ifindex, err := parseAddr(m.Data)
addr, _, err := parseAddr(m.Data)
if err != nil {
if cberr != nil {
cberr(fmt.Errorf("could not parse address: %v", err))
@ -403,7 +407,7 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
}
ch <- AddrUpdate{LinkAddress: *addr.IPNet,
LinkIndex: ifindex,
LinkIndex: addr.LinkIndex,
NewAddr: msgType == unix.RTM_NEWADDR,
Flags: addr.Flags,
Scope: addr.Scope,

24
vendor/github.com/vishvananda/netlink/bpf_linux.go generated vendored
View file

@ -16,6 +16,30 @@ const (
BPF_PROG_TYPE_SCHED_ACT
BPF_PROG_TYPE_TRACEPOINT
BPF_PROG_TYPE_XDP
BPF_PROG_TYPE_PERF_EVENT
BPF_PROG_TYPE_CGROUP_SKB
BPF_PROG_TYPE_CGROUP_SOCK
BPF_PROG_TYPE_LWT_IN
BPF_PROG_TYPE_LWT_OUT
BPF_PROG_TYPE_LWT_XMIT
BPF_PROG_TYPE_SOCK_OPS
BPF_PROG_TYPE_SK_SKB
BPF_PROG_TYPE_CGROUP_DEVICE
BPF_PROG_TYPE_SK_MSG
BPF_PROG_TYPE_RAW_TRACEPOINT
BPF_PROG_TYPE_CGROUP_SOCK_ADDR
BPF_PROG_TYPE_LWT_SEG6LOCAL
BPF_PROG_TYPE_LIRC_MODE2
BPF_PROG_TYPE_SK_REUSEPORT
BPF_PROG_TYPE_FLOW_DISSECTOR
BPF_PROG_TYPE_CGROUP_SYSCTL
BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE
BPF_PROG_TYPE_CGROUP_SOCKOPT
BPF_PROG_TYPE_TRACING
BPF_PROG_TYPE_STRUCT_OPS
BPF_PROG_TYPE_EXT
BPF_PROG_TYPE_LSM
BPF_PROG_TYPE_SK_LOOKUP
)
type BPFAttr struct {

56
vendor/github.com/vishvananda/netlink/class.go generated vendored
View file

@ -132,7 +132,10 @@ func (class *GenericClass) Type() string {
return class.ClassType
}
// ServiceCurve is the way the HFSC curve are represented
// ServiceCurve is a nondecreasing function of some time unit, returning the amount of service
// (an allowed or allocated amount of bandwidth) at some specific point in time. The purpose of it
// should be subconsciously obvious: if a class was allowed to transfer not less than the amount
// specified by its service curve, then the service curve is not violated.
type ServiceCurve struct {
m1 uint32
d uint32
@ -144,6 +147,21 @@ func (c *ServiceCurve) Attrs() (uint32, uint32, uint32) {
return c.m1, c.d, c.m2
}
// Burst returns the burst rate (m1) of the curve
func (c *ServiceCurve) Burst() uint32 {
return c.m1
}
// Delay return the delay (d) of the curve
func (c *ServiceCurve) Delay() uint32 {
return c.d
}
// Rate returns the rate (m2) of the curve
func (c *ServiceCurve) Rate() uint32 {
return c.m2
}
// HfscClass is a representation of the HFSC class
type HfscClass struct {
ClassAttrs
@ -152,35 +170,44 @@ type HfscClass struct {
Usc ServiceCurve
}
// SetUsc sets the Usc curve
// SetUsc sets the USC curve. The bandwidth (m1 and m2) is specified in bits and the delay in
// seconds.
func (hfsc *HfscClass) SetUsc(m1 uint32, d uint32, m2 uint32) {
hfsc.Usc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.Usc = ServiceCurve{m1: m1, d: d, m2: m2}
}
// SetFsc sets the Fsc curve
// SetFsc sets the Fsc curve. The bandwidth (m1 and m2) is specified in bits and the delay in
// seconds.
func (hfsc *HfscClass) SetFsc(m1 uint32, d uint32, m2 uint32) {
hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.Fsc = ServiceCurve{m1: m1, d: d, m2: m2}
}
// SetRsc sets the Rsc curve
// SetRsc sets the Rsc curve. The bandwidth (m1 and m2) is specified in bits and the delay in
// seconds.
func (hfsc *HfscClass) SetRsc(m1 uint32, d uint32, m2 uint32) {
hfsc.Rsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.Rsc = ServiceCurve{m1: m1, d: d, m2: m2}
}
// SetSC implements the SC from the tc CLI
// SetSC implements the SC from the `tc` CLI. This function behaves the same as if one would set the
// USC through the `tc` command-line tool. This means bandwidth (m1 and m2) is specified in bits and
// the delay in ms.
func (hfsc *HfscClass) SetSC(m1 uint32, d uint32, m2 uint32) {
hfsc.Rsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.SetRsc(m1, d, m2)
hfsc.SetFsc(m1, d, m2)
}
// SetUL implements the UL from the tc CLI
// SetUL implements the UL from the `tc` CLI. This function behaves the same as if one would set the
// USC through the `tc` command-line tool. This means bandwidth (m1 and m2) is specified in bits and
// the delay in ms.
func (hfsc *HfscClass) SetUL(m1 uint32, d uint32, m2 uint32) {
hfsc.Usc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.SetUsc(m1, d, m2)
}
// SetLS implements the LS from the tc CLI
// SetLS implements the LS from the `tc` CLI. This function behaves the same as if one would set the
// USC through the `tc` command-line tool. This means bandwidth (m1 and m2) is specified in bits and
// the delay in ms.
func (hfsc *HfscClass) SetLS(m1 uint32, d uint32, m2 uint32) {
hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
hfsc.SetFsc(m1, d, m2)
}
// NewHfscClass returns a new HFSC struct with the set parameters
@ -193,6 +220,7 @@ func NewHfscClass(attrs ClassAttrs) *HfscClass {
}
}
// String() returns a string that contains the information and attributes of the HFSC class
func (hfsc *HfscClass) String() string {
return fmt.Sprintf(
"{%s -- {RSC: {m1=%d d=%d m2=%d}} {FSC: {m1=%d d=%d m2=%d}} {USC: {m1=%d d=%d m2=%d}}}",

35
vendor/github.com/vishvananda/netlink/class_linux.go generated vendored
View file

@ -43,12 +43,12 @@ func NewHtbClass(attrs ClassAttrs, cattrs HtbClassAttrs) *HtbClass {
if buffer == 0 {
buffer = uint32(float64(rate)/Hz() + float64(mtu))
}
buffer = uint32(Xmittime(rate, buffer))
buffer = Xmittime(rate, buffer)
if cbuffer == 0 {
cbuffer = uint32(float64(ceil)/Hz() + float64(mtu))
}
cbuffer = uint32(Xmittime(ceil, cbuffer))
cbuffer = Xmittime(ceil, cbuffer)
return &HtbClass{
ClassAttrs: attrs,
@ -56,9 +56,9 @@ func NewHtbClass(attrs ClassAttrs, cattrs HtbClassAttrs) *HtbClass {
Ceil: ceil,
Buffer: buffer,
Cbuffer: cbuffer,
Quantum: 10,
Level: 0,
Prio: 0,
Prio: cattrs.Prio,
Quantum: cattrs.Quantum,
}
}
@ -176,12 +176,21 @@ func classPayload(req *nl.NetlinkRequest, class Class) error {
options.AddRtAttr(nl.TCA_HTB_PARMS, opt.Serialize())
options.AddRtAttr(nl.TCA_HTB_RTAB, SerializeRtab(rtab))
options.AddRtAttr(nl.TCA_HTB_CTAB, SerializeRtab(ctab))
if htb.Rate >= uint64(1<<32) {
options.AddRtAttr(nl.TCA_HTB_RATE64, nl.Uint64Attr(htb.Rate))
}
if htb.Ceil >= uint64(1<<32) {
options.AddRtAttr(nl.TCA_HTB_CEIL64, nl.Uint64Attr(htb.Ceil))
}
case "hfsc":
hfsc := class.(*HfscClass)
opt := nl.HfscCopt{}
opt.Rsc.Set(hfsc.Rsc.Attrs())
opt.Fsc.Set(hfsc.Fsc.Attrs())
opt.Usc.Set(hfsc.Usc.Attrs())
rm1, rd, rm2 := hfsc.Rsc.Attrs()
opt.Rsc.Set(rm1/8, rd, rm2/8)
fm1, fd, fm2 := hfsc.Fsc.Attrs()
opt.Fsc.Set(fm1/8, fd, fm2/8)
um1, ud, um2 := hfsc.Usc.Attrs()
opt.Usc.Set(um1/8, ud, um2/8)
options.AddRtAttr(nl.TCA_HFSC_RSC, nl.SerializeHfscCurve(&opt.Rsc))
options.AddRtAttr(nl.TCA_HFSC_FSC, nl.SerializeHfscCurve(&opt.Fsc))
options.AddRtAttr(nl.TCA_HFSC_USC, nl.SerializeHfscCurve(&opt.Usc))
@ -303,6 +312,10 @@ func parseHtbClassData(class Class, data []syscall.NetlinkRouteAttr) (bool, erro
htb.Quantum = opt.Quantum
htb.Level = opt.Level
htb.Prio = opt.Prio
case nl.TCA_HTB_RATE64:
htb.Rate = native.Uint64(datum.Value[0:8])
case nl.TCA_HTB_CEIL64:
htb.Ceil = native.Uint64(datum.Value[0:8])
}
}
return detailed, nil
@ -315,11 +328,11 @@ func parseHfscClassData(class Class, data []syscall.NetlinkRouteAttr) (bool, err
m1, d, m2 := nl.DeserializeHfscCurve(datum.Value).Attrs()
switch datum.Attr.Type {
case nl.TCA_HFSC_RSC:
hfsc.Rsc = ServiceCurve{m1: m1, d: d, m2: m2}
hfsc.Rsc = ServiceCurve{m1: m1 * 8, d: d, m2: m2 * 8}
case nl.TCA_HFSC_FSC:
hfsc.Fsc = ServiceCurve{m1: m1, d: d, m2: m2}
hfsc.Fsc = ServiceCurve{m1: m1 * 8, d: d, m2: m2 * 8}
case nl.TCA_HFSC_USC:
hfsc.Usc = ServiceCurve{m1: m1, d: d, m2: m2}
hfsc.Usc = ServiceCurve{m1: m1 * 8, d: d, m2: m2 * 8}
}
}
return detailed, nil
@ -328,7 +341,6 @@ func parseHfscClassData(class Class, data []syscall.NetlinkRouteAttr) (bool, err
func parseTcStats(data []byte) (*ClassStatistics, error) {
buf := &bytes.Buffer{}
buf.Write(data)
native := nl.NativeEndian()
tcStats := &tcStats{}
if err := binary.Read(buf, native, tcStats); err != nil {
return nil, err
@ -350,7 +362,6 @@ func parseTcStats(data []byte) (*ClassStatistics, error) {
func parseGnetStats(data []byte, gnetStats interface{}) error {
buf := &bytes.Buffer{}
buf.Write(data)
native := nl.NativeEndian()
return binary.Read(buf, native, gnetStats)
}

233
vendor/github.com/vishvananda/netlink/conntrack_linux.go generated vendored
View file

@ -6,6 +6,7 @@ import (
"errors"
"fmt"
"net"
"time"
"github.com/vishvananda/netlink/nl"
"golang.org/x/sys/unix"
@ -145,16 +146,23 @@ type ConntrackFlow struct {
Forward ipTuple
Reverse ipTuple
Mark uint32
TimeStart uint64
TimeStop uint64
TimeOut uint32
}
func (s *ConntrackFlow) String() string {
// conntrack cmd output:
// udp 17 src=127.0.0.1 dst=127.0.0.1 sport=4001 dport=1234 packets=5 bytes=532 [UNREPLIED] src=127.0.0.1 dst=127.0.0.1 sport=1234 dport=4001 packets=10 bytes=1078 mark=0
return fmt.Sprintf("%s\t%d src=%s dst=%s sport=%d dport=%d packets=%d bytes=%d\tsrc=%s dst=%s sport=%d dport=%d packets=%d bytes=%d mark=%d",
// start=2019-07-26 01:26:21.557800506 +0000 UTC stop=1970-01-01 00:00:00 +0000 UTC timeout=30(sec)
start := time.Unix(0, int64(s.TimeStart))
stop := time.Unix(0, int64(s.TimeStop))
timeout := int32(s.TimeOut)
return fmt.Sprintf("%s\t%d src=%s dst=%s sport=%d dport=%d packets=%d bytes=%d\tsrc=%s dst=%s sport=%d dport=%d packets=%d bytes=%d mark=0x%x start=%v stop=%v timeout=%d(sec)",
nl.L4ProtoMap[s.Forward.Protocol], s.Forward.Protocol,
s.Forward.SrcIP.String(), s.Forward.DstIP.String(), s.Forward.SrcPort, s.Forward.DstPort, s.Forward.Packets, s.Forward.Bytes,
s.Reverse.SrcIP.String(), s.Reverse.DstIP.String(), s.Reverse.SrcPort, s.Reverse.DstPort, s.Reverse.Packets, s.Reverse.Bytes,
s.Mark)
s.Mark, start, stop, timeout)
}
// This method parse the ip tuple structure
@ -174,25 +182,43 @@ func parseIpTuple(reader *bytes.Reader, tpl *ipTuple) uint8 {
tpl.DstIP = v
}
}
// Skip the next 4 bytes nl.NLA_F_NESTED|nl.CTA_TUPLE_PROTO
reader.Seek(4, seekCurrent)
_, t, _, v := parseNfAttrTLV(reader)
// Get total length of nested protocol-specific info.
_, _, protoInfoTotalLen := parseNfAttrTL(reader)
_, t, l, v := parseNfAttrTLV(reader)
// Track the number of bytes read.
protoInfoBytesRead := uint16(nl.SizeofNfattr) + l
if t == nl.CTA_PROTO_NUM {
tpl.Protocol = uint8(v[0])
}
// Skip some padding 3 bytes
// We only parse TCP & UDP headers. Skip the others.
if tpl.Protocol != 6 && tpl.Protocol != 17 {
// skip the rest
bytesRemaining := protoInfoTotalLen - protoInfoBytesRead
reader.Seek(int64(bytesRemaining), seekCurrent)
return tpl.Protocol
}
// Skip 3 bytes of padding
reader.Seek(3, seekCurrent)
protoInfoBytesRead += 3
for i := 0; i < 2; i++ {
_, t, _ := parseNfAttrTL(reader)
protoInfoBytesRead += uint16(nl.SizeofNfattr)
switch t {
case nl.CTA_PROTO_SRC_PORT:
parseBERaw16(reader, &tpl.SrcPort)
protoInfoBytesRead += 2
case nl.CTA_PROTO_DST_PORT:
parseBERaw16(reader, &tpl.DstPort)
protoInfoBytesRead += 2
}
// Skip some padding 2 byte
// Skip 2 bytes of padding
reader.Seek(2, seekCurrent)
protoInfoBytesRead += 2
}
// Skip any remaining/unknown parts of the message
bytesRemaining := protoInfoTotalLen - protoInfoBytesRead
reader.Seek(int64(bytesRemaining), seekCurrent)
return tpl.Protocol
}
@ -211,10 +237,14 @@ func parseNfAttrTL(r *bytes.Reader) (isNested bool, attrType, len uint16) {
binary.Read(r, nl.NativeEndian(), &attrType)
isNested = (attrType & nl.NLA_F_NESTED) == nl.NLA_F_NESTED
attrType = attrType & (nl.NLA_F_NESTED - 1)
return isNested, attrType, len
}
func skipNfAttrValue(r *bytes.Reader, len uint16) {
len = (len + nl.NLA_ALIGNTO - 1) & ^(nl.NLA_ALIGNTO - 1)
r.Seek(int64(len), seekCurrent)
}
func parseBERaw16(r *bytes.Reader, v *uint16) {
binary.Read(r, binary.BigEndian, v)
}
@ -241,6 +271,36 @@ func parseByteAndPacketCounters(r *bytes.Reader) (bytes, packets uint64) {
return
}
// when the flow is alive, only the timestamp_start is returned in structure
func parseTimeStamp(r *bytes.Reader, readSize uint16) (tstart, tstop uint64) {
var numTimeStamps int
oneItem := nl.SizeofNfattr + 8 // 4 bytes attr header + 8 bytes timestamp
if readSize == uint16(oneItem) {
numTimeStamps = 1
} else if readSize == 2*uint16(oneItem) {
numTimeStamps = 2
} else {
return
}
for i := 0; i < numTimeStamps; i++ {
switch _, t, _ := parseNfAttrTL(r); t {
case nl.CTA_TIMESTAMP_START:
parseBERaw64(r, &tstart)
case nl.CTA_TIMESTAMP_STOP:
parseBERaw64(r, &tstop)
default:
return
}
}
return
}
func parseTimeOut(r *bytes.Reader) (ttimeout uint32) {
parseBERaw32(r, &ttimeout)
return
}
func parseConnectionMark(r *bytes.Reader) (mark uint32) {
parseBERaw32(r, &mark)
return
@ -266,25 +326,37 @@ func parseRawData(data []byte) *ConntrackFlow {
if nested, t, l := parseNfAttrTL(reader); nested {
switch t {
case nl.CTA_TUPLE_ORIG:
if nested, t, _ = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
if nested, t, l = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
parseIpTuple(reader, &s.Forward)
}
case nl.CTA_TUPLE_REPLY:
if nested, t, _ = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
if nested, t, l = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
parseIpTuple(reader, &s.Reverse)
} else {
// Header not recognized skip it
reader.Seek(int64(l), seekCurrent)
skipNfAttrValue(reader, l)
}
case nl.CTA_COUNTERS_ORIG:
s.Forward.Bytes, s.Forward.Packets = parseByteAndPacketCounters(reader)
case nl.CTA_COUNTERS_REPLY:
s.Reverse.Bytes, s.Reverse.Packets = parseByteAndPacketCounters(reader)
case nl.CTA_TIMESTAMP:
s.TimeStart, s.TimeStop = parseTimeStamp(reader, l)
case nl.CTA_PROTOINFO:
skipNfAttrValue(reader, l)
default:
skipNfAttrValue(reader, l)
}
} else {
switch t {
case nl.CTA_MARK:
s.Mark = parseConnectionMark(reader)
case nl.CTA_TIMEOUT:
s.TimeOut = parseTimeOut(reader)
case nl.CTA_STATUS, nl.CTA_USE, nl.CTA_ID:
skipNfAttrValue(reader, l)
default:
skipNfAttrValue(reader, l)
}
}
}
@ -318,18 +390,25 @@ func parseRawData(data []byte) *ConntrackFlow {
// --mask-src ip Source mask address
// --mask-dst ip Destination mask address
// Layer 4 Protocol common parameters and options:
// TCP, UDP, SCTP, UDPLite and DCCP
// --sport, --orig-port-src port Source port in original direction
// --dport, --orig-port-dst port Destination port in original direction
// Filter types
type ConntrackFilterType uint8
const (
ConntrackOrigSrcIP = iota // -orig-src ip Source address from original direction
ConntrackOrigDstIP // -orig-dst ip Destination address from original direction
ConntrackReplySrcIP // --reply-src ip Reply Source IP
ConntrackReplyDstIP // --reply-dst ip Reply Destination IP
ConntrackReplyAnyIP // Match source or destination reply IP
ConntrackNatSrcIP = ConntrackReplySrcIP // deprecated use instead ConntrackReplySrcIP
ConntrackNatDstIP = ConntrackReplyDstIP // deprecated use instead ConntrackReplyDstIP
ConntrackNatAnyIP = ConntrackReplyAnyIP // deprecated use instaed ConntrackReplyAnyIP
ConntrackOrigSrcIP = iota // -orig-src ip Source address from original direction
ConntrackOrigDstIP // -orig-dst ip Destination address from original direction
ConntrackReplySrcIP // --reply-src ip Reply Source IP
ConntrackReplyDstIP // --reply-dst ip Reply Destination IP
ConntrackReplyAnyIP // Match source or destination reply IP
ConntrackOrigSrcPort // --orig-port-src port Source port in original direction
ConntrackOrigDstPort // --orig-port-dst port Destination port in original direction
ConntrackNatSrcIP = ConntrackReplySrcIP // deprecated use instead ConntrackReplySrcIP
ConntrackNatDstIP = ConntrackReplyDstIP // deprecated use instead ConntrackReplyDstIP
ConntrackNatAnyIP = ConntrackReplyAnyIP // deprecated use instead ConntrackReplyAnyIP
)
type CustomConntrackFilter interface {
@ -339,53 +418,117 @@ type CustomConntrackFilter interface {
}
type ConntrackFilter struct {
ipFilter map[ConntrackFilterType]net.IP
ipNetFilter map[ConntrackFilterType]*net.IPNet
portFilter map[ConntrackFilterType]uint16
protoFilter uint8
}
// AddIPNet adds a IP subnet to the conntrack filter
func (f *ConntrackFilter) AddIPNet(tp ConntrackFilterType, ipNet *net.IPNet) error {
if ipNet == nil {
return fmt.Errorf("Filter attribute empty")
}
if f.ipNetFilter == nil {
f.ipNetFilter = make(map[ConntrackFilterType]*net.IPNet)
}
if _, ok := f.ipNetFilter[tp]; ok {
return errors.New("Filter attribute already present")
}
f.ipNetFilter[tp] = ipNet
return nil
}
// AddIP adds an IP to the conntrack filter
func (f *ConntrackFilter) AddIP(tp ConntrackFilterType, ip net.IP) error {
if f.ipFilter == nil {
f.ipFilter = make(map[ConntrackFilterType]net.IP)
if ip == nil {
return fmt.Errorf("Filter attribute empty")
}
if _, ok := f.ipFilter[tp]; ok {
return f.AddIPNet(tp, NewIPNet(ip))
}
// AddPort adds a Port to the conntrack filter if the Layer 4 protocol allows it
func (f *ConntrackFilter) AddPort(tp ConntrackFilterType, port uint16) error {
switch f.protoFilter {
// TCP, UDP, DCCP, SCTP, UDPLite
case 6, 17, 33, 132, 136:
default:
return fmt.Errorf("Filter attribute not available without a valid Layer 4 protocol: %d", f.protoFilter)
}
if f.portFilter == nil {
f.portFilter = make(map[ConntrackFilterType]uint16)
}
if _, ok := f.portFilter[tp]; ok {
return errors.New("Filter attribute already present")
}
f.ipFilter[tp] = ip
f.portFilter[tp] = port
return nil
}
// AddProtocol adds the Layer 4 protocol to the conntrack filter
func (f *ConntrackFilter) AddProtocol(proto uint8) error {
if f.protoFilter != 0 {
return errors.New("Filter attribute already present")
}
f.protoFilter = proto
return nil
}
// MatchConntrackFlow applies the filter to the flow and returns true if the flow matches the filter
// false otherwise
func (f *ConntrackFilter) MatchConntrackFlow(flow *ConntrackFlow) bool {
if len(f.ipFilter) == 0 {
if len(f.ipNetFilter) == 0 && len(f.portFilter) == 0 && f.protoFilter == 0 {
// empty filter always not match
return false
}
// -p, --protonum proto Layer 4 Protocol, eg. 'tcp'
if f.protoFilter != 0 && flow.Forward.Protocol != f.protoFilter {
// different Layer 4 protocol always not match
return false
}
match := true
// -orig-src ip Source address from original direction
if elem, found := f.ipFilter[ConntrackOrigSrcIP]; found {
match = match && elem.Equal(flow.Forward.SrcIP)
// IP conntrack filter
if len(f.ipNetFilter) > 0 {
// -orig-src ip Source address from original direction
if elem, found := f.ipNetFilter[ConntrackOrigSrcIP]; found {
match = match && elem.Contains(flow.Forward.SrcIP)
}
// -orig-dst ip Destination address from original direction
if elem, found := f.ipNetFilter[ConntrackOrigDstIP]; match && found {
match = match && elem.Contains(flow.Forward.DstIP)
}
// -src-nat ip Source NAT ip
if elem, found := f.ipNetFilter[ConntrackReplySrcIP]; match && found {
match = match && elem.Contains(flow.Reverse.SrcIP)
}
// -dst-nat ip Destination NAT ip
if elem, found := f.ipNetFilter[ConntrackReplyDstIP]; match && found {
match = match && elem.Contains(flow.Reverse.DstIP)
}
// Match source or destination reply IP
if elem, found := f.ipNetFilter[ConntrackReplyAnyIP]; match && found {
match = match && (elem.Contains(flow.Reverse.SrcIP) || elem.Contains(flow.Reverse.DstIP))
}
}
// -orig-dst ip Destination address from original direction
if elem, found := f.ipFilter[ConntrackOrigDstIP]; match && found {
match = match && elem.Equal(flow.Forward.DstIP)
}
// Layer 4 Port filter
if len(f.portFilter) > 0 {
// -orig-port-src port Source port from original direction
if elem, found := f.portFilter[ConntrackOrigSrcPort]; match && found {
match = match && elem == flow.Forward.SrcPort
}
// -src-nat ip Source NAT ip
if elem, found := f.ipFilter[ConntrackReplySrcIP]; match && found {
match = match && elem.Equal(flow.Reverse.SrcIP)
}
// -dst-nat ip Destination NAT ip
if elem, found := f.ipFilter[ConntrackReplyDstIP]; match && found {
match = match && elem.Equal(flow.Reverse.DstIP)
}
// Match source or destination reply IP
if elem, found := f.ipFilter[ConntrackReplyAnyIP]; match && found {
match = match && (elem.Equal(flow.Reverse.SrcIP) || elem.Equal(flow.Reverse.DstIP))
// -orig-port-dst port Destination port from original direction
if elem, found := f.portFilter[ConntrackOrigDstPort]; match && found {
match = match && elem == flow.Forward.DstPort
}
}
return match

466
vendor/github.com/vishvananda/netlink/devlink_linux.go generated vendored
View file

@ -1,9 +1,11 @@
package netlink
import (
"fmt"
"net"
"strings"
"syscall"
"fmt"
"github.com/vishvananda/netlink/nl"
"golang.org/x/sys/unix"
)
@ -27,6 +29,61 @@ type DevlinkDevice struct {
Attrs DevlinkDevAttrs
}
// DevlinkPortFn represents port function and its attributes
type DevlinkPortFn struct {
HwAddr net.HardwareAddr
State uint8
OpState uint8
}
// DevlinkPortFnSetAttrs represents attributes to set
type DevlinkPortFnSetAttrs struct {
FnAttrs DevlinkPortFn
HwAddrValid bool
StateValid bool
}
// DevlinkPort represents port and its attributes
type DevlinkPort struct {
BusName string
DeviceName string
PortIndex uint32
PortType uint16
NetdeviceName string
NetdevIfIndex uint32
RdmaDeviceName string
PortFlavour uint16
Fn *DevlinkPortFn
}
type DevLinkPortAddAttrs struct {
Controller uint32
SfNumber uint32
PortIndex uint32
PfNumber uint16
SfNumberValid bool
PortIndexValid bool
ControllerValid bool
}
// DevlinkDeviceInfo represents devlink info
type DevlinkDeviceInfo struct {
Driver string
SerialNumber string
BoardID string
FwApp string
FwAppBoundleID string
FwAppName string
FwBoundleID string
FwMgmt string
FwMgmtAPI string
FwMgmtBuild string
FwNetlist string
FwNetlistBuild string
FwPsidAPI string
FwUndi string
}
func parseDevLinkDeviceList(msgs [][]byte) ([]*DevlinkDevice, error) {
devices := make([]*DevlinkDevice, 0, len(msgs))
for _, m := range msgs {
@ -95,9 +152,9 @@ func (d *DevlinkDevice) parseAttributes(attrs []syscall.NetlinkRouteAttr) error
for _, a := range attrs {
switch a.Attr.Type {
case nl.DEVLINK_ATTR_BUS_NAME:
d.BusName = string(a.Value)
d.BusName = string(a.Value[:len(a.Value)-1])
case nl.DEVLINK_ATTR_DEV_NAME:
d.DeviceName = string(a.Value)
d.DeviceName = string(a.Value[:len(a.Value)-1])
case nl.DEVLINK_ATTR_ESWITCH_MODE:
d.Attrs.Eswitch.Mode = parseEswitchMode(native.Uint16(a.Value))
case nl.DEVLINK_ATTR_ESWITCH_INLINE_MODE:
@ -126,12 +183,12 @@ func (h *Handle) getEswitchAttrs(family *GenlFamily, dev *DevlinkDevice) {
req := h.newNetlinkRequest(int(family.ID), unix.NLM_F_REQUEST|unix.NLM_F_ACK)
req.AddData(msg)
b := make([]byte, len(dev.BusName))
b := make([]byte, len(dev.BusName)+1)
copy(b, dev.BusName)
data := nl.NewRtAttr(nl.DEVLINK_ATTR_BUS_NAME, b)
req.AddData(data)
b = make([]byte, len(dev.DeviceName))
b = make([]byte, len(dev.DeviceName)+1)
copy(b, dev.DeviceName)
data = nl.NewRtAttr(nl.DEVLINK_ATTR_DEV_NAME, b)
req.AddData(data)
@ -270,3 +327,402 @@ func (h *Handle) DevLinkSetEswitchMode(Dev *DevlinkDevice, NewMode string) error
func DevLinkSetEswitchMode(Dev *DevlinkDevice, NewMode string) error {
return pkgHandle.DevLinkSetEswitchMode(Dev, NewMode)
}
func (port *DevlinkPort) parseAttributes(attrs []syscall.NetlinkRouteAttr) error {
for _, a := range attrs {
switch a.Attr.Type {
case nl.DEVLINK_ATTR_BUS_NAME:
port.BusName = string(a.Value[:len(a.Value)-1])
case nl.DEVLINK_ATTR_DEV_NAME:
port.DeviceName = string(a.Value[:len(a.Value)-1])
case nl.DEVLINK_ATTR_PORT_INDEX:
port.PortIndex = native.Uint32(a.Value)
case nl.DEVLINK_ATTR_PORT_TYPE:
port.PortType = native.Uint16(a.Value)
case nl.DEVLINK_ATTR_PORT_NETDEV_NAME:
port.NetdeviceName = string(a.Value[:len(a.Value)-1])
case nl.DEVLINK_ATTR_PORT_NETDEV_IFINDEX:
port.NetdevIfIndex = native.Uint32(a.Value)
case nl.DEVLINK_ATTR_PORT_IBDEV_NAME:
port.RdmaDeviceName = string(a.Value[:len(a.Value)-1])
case nl.DEVLINK_ATTR_PORT_FLAVOUR:
port.PortFlavour = native.Uint16(a.Value)
case nl.DEVLINK_ATTR_PORT_FUNCTION:
port.Fn = &DevlinkPortFn{}
for nested := range nl.ParseAttributes(a.Value) {
switch nested.Type {
case nl.DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR:
port.Fn.HwAddr = nested.Value[:]
case nl.DEVLINK_PORT_FN_ATTR_STATE:
port.Fn.State = uint8(nested.Value[0])
case nl.DEVLINK_PORT_FN_ATTR_OPSTATE:
port.Fn.OpState = uint8(nested.Value[0])
}
}
}
}
return nil
}
func parseDevLinkAllPortList(msgs [][]byte) ([]*DevlinkPort, error) {
ports := make([]*DevlinkPort, 0, len(msgs))
for _, m := range msgs {
attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
if err != nil {
return nil, err
}
port := &DevlinkPort{}
if err = port.parseAttributes(attrs); err != nil {
return nil, err
}
ports = append(ports, port)
}
return ports, nil
}
// DevLinkGetPortList provides a pointer to devlink ports and nil error,
// otherwise returns an error code.
func (h *Handle) DevLinkGetAllPortList() ([]*DevlinkPort, error) {
f, err := h.GenlFamilyGet(nl.GENL_DEVLINK_NAME)
if err != nil {
return nil, err
}
msg := &nl.Genlmsg{
Command: nl.DEVLINK_CMD_PORT_GET,
Version: nl.GENL_DEVLINK_VERSION,
}
req := h.newNetlinkRequest(int(f.ID),
unix.NLM_F_REQUEST|unix.NLM_F_ACK|unix.NLM_F_DUMP)
req.AddData(msg)
msgs, err := req.Execute(unix.NETLINK_GENERIC, 0)
if err != nil {
return nil, err
}
ports, err := parseDevLinkAllPortList(msgs)
if err != nil {
return nil, err
}
return ports, nil
}
// DevLinkGetPortList provides a pointer to devlink ports and nil error,
// otherwise returns an error code.
func DevLinkGetAllPortList() ([]*DevlinkPort, error) {
return pkgHandle.DevLinkGetAllPortList()
}
func parseDevlinkPortMsg(msgs [][]byte) (*DevlinkPort, error) {
m := msgs[0]
attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
if err != nil {
return nil, err
}
port := &DevlinkPort{}
if err = port.parseAttributes(attrs); err != nil {
return nil, err
}
return port, nil
}
// DevLinkGetPortByIndexprovides a pointer to devlink device and nil error,
// otherwise returns an error code.
func (h *Handle) DevLinkGetPortByIndex(Bus string, Device string, PortIndex uint32) (*DevlinkPort, error) {
_, req, err := h.createCmdReq(nl.DEVLINK_CMD_PORT_GET, Bus, Device)
if err != nil {
return nil, err
}
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_INDEX, nl.Uint32Attr(PortIndex)))
respmsg, err := req.Execute(unix.NETLINK_GENERIC, 0)
if err != nil {
return nil, err
}
port, err := parseDevlinkPortMsg(respmsg)
return port, err
}
// DevLinkGetPortByIndex provides a pointer to devlink portand nil error,
// otherwise returns an error code.
func DevLinkGetPortByIndex(Bus string, Device string, PortIndex uint32) (*DevlinkPort, error) {
return pkgHandle.DevLinkGetPortByIndex(Bus, Device, PortIndex)
}
// DevLinkPortAdd adds a devlink port and returns a port on success
// otherwise returns nil port and an error code.
func (h *Handle) DevLinkPortAdd(Bus string, Device string, Flavour uint16, Attrs DevLinkPortAddAttrs) (*DevlinkPort, error) {
_, req, err := h.createCmdReq(nl.DEVLINK_CMD_PORT_NEW, Bus, Device)
if err != nil {
return nil, err
}
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_FLAVOUR, nl.Uint16Attr(Flavour)))
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_PCI_PF_NUMBER, nl.Uint16Attr(Attrs.PfNumber)))
if Flavour == nl.DEVLINK_PORT_FLAVOUR_PCI_SF && Attrs.SfNumberValid {
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_PCI_SF_NUMBER, nl.Uint32Attr(Attrs.SfNumber)))
}
if Attrs.PortIndexValid {
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_INDEX, nl.Uint32Attr(Attrs.PortIndex)))
}
if Attrs.ControllerValid {
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_CONTROLLER_NUMBER, nl.Uint32Attr(Attrs.Controller)))
}
respmsg, err := req.Execute(unix.NETLINK_GENERIC, 0)
if err != nil {
return nil, err
}
port, err := parseDevlinkPortMsg(respmsg)
return port, err
}
// DevLinkPortAdd adds a devlink port and returns a port on success
// otherwise returns nil port and an error code.
func DevLinkPortAdd(Bus string, Device string, Flavour uint16, Attrs DevLinkPortAddAttrs) (*DevlinkPort, error) {
return pkgHandle.DevLinkPortAdd(Bus, Device, Flavour, Attrs)
}
// DevLinkPortDel deletes a devlink port and returns success or error code.
func (h *Handle) DevLinkPortDel(Bus string, Device string, PortIndex uint32) error {
_, req, err := h.createCmdReq(nl.DEVLINK_CMD_PORT_DEL, Bus, Device)
if err != nil {
return err
}
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_INDEX, nl.Uint32Attr(PortIndex)))
_, err = req.Execute(unix.NETLINK_GENERIC, 0)
return err
}
// DevLinkPortDel deletes a devlink port and returns success or error code.
func DevLinkPortDel(Bus string, Device string, PortIndex uint32) error {
return pkgHandle.DevLinkPortDel(Bus, Device, PortIndex)
}
// DevlinkPortFnSet sets one or more port function attributes specified by the attribute mask.
// It returns 0 on success or error code.
func (h *Handle) DevlinkPortFnSet(Bus string, Device string, PortIndex uint32, FnAttrs DevlinkPortFnSetAttrs) error {
_, req, err := h.createCmdReq(nl.DEVLINK_CMD_PORT_SET, Bus, Device)
if err != nil {
return err
}
req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_INDEX, nl.Uint32Attr(PortIndex)))
fnAttr := nl.NewRtAttr(nl.DEVLINK_ATTR_PORT_FUNCTION|unix.NLA_F_NESTED, nil)
if FnAttrs.HwAddrValid {
fnAttr.AddRtAttr(nl.DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR, []byte(FnAttrs.FnAttrs.HwAddr))
}
if FnAttrs.StateValid {
fnAttr.AddRtAttr(nl.DEVLINK_PORT_FN_ATTR_STATE, nl.Uint8Attr(FnAttrs.FnAttrs.State))
}
req.AddData(fnAttr)
_, err = req.Execute(unix.NETLINK_GENERIC, 0)
return err
}
// DevlinkPortFnSet sets one or more port function attributes specified by the attribute mask.
// It returns 0 on success or error code.
func DevlinkPortFnSet(Bus string, Device string, PortIndex uint32, FnAttrs DevlinkPortFnSetAttrs) error {
return pkgHandle.DevlinkPortFnSet(Bus, Device, PortIndex, FnAttrs)
}
// devlinkInfoGetter is function that is responsible for getting devlink info message
// this is introduced for test purpose
type devlinkInfoGetter func(bus, device string) ([]byte, error)
// DevlinkGetDeviceInfoByName returns devlink info for selected device,
// otherwise returns an error code.
// Equivalent to: `devlink dev info $dev`
func (h *Handle) DevlinkGetDeviceInfoByName(Bus string, Device string, getInfoMsg devlinkInfoGetter) (*DevlinkDeviceInfo, error) {
info, err := h.DevlinkGetDeviceInfoByNameAsMap(Bus, Device, getInfoMsg)
if err != nil {
return nil, err
}
return parseInfoData(info), nil
}
// DevlinkGetDeviceInfoByName returns devlink info for selected device,
// otherwise returns an error code.
// Equivalent to: `devlink dev info $dev`
func DevlinkGetDeviceInfoByName(Bus string, Device string) (*DevlinkDeviceInfo, error) {
return pkgHandle.DevlinkGetDeviceInfoByName(Bus, Device, pkgHandle.getDevlinkInfoMsg)
}
// DevlinkGetDeviceInfoByNameAsMap returns devlink info for selected device as a map,
// otherwise returns an error code.
// Equivalent to: `devlink dev info $dev`
func (h *Handle) DevlinkGetDeviceInfoByNameAsMap(Bus string, Device string, getInfoMsg devlinkInfoGetter) (map[string]string, error) {
response, err := getInfoMsg(Bus, Device)
if err != nil {
return nil, err
}
info, err := parseInfoMsg(response)
if err != nil {
return nil, err
}
return info, nil
}
// DevlinkGetDeviceInfoByNameAsMap returns devlink info for selected device as a map,
// otherwise returns an error code.
// Equivalent to: `devlink dev info $dev`
func DevlinkGetDeviceInfoByNameAsMap(Bus string, Device string) (map[string]string, error) {
return pkgHandle.DevlinkGetDeviceInfoByNameAsMap(Bus, Device, pkgHandle.getDevlinkInfoMsg)
}
// GetDevlinkInfo returns devlink info for target device,
// otherwise returns an error code.
func (d *DevlinkDevice) GetDevlinkInfo() (*DevlinkDeviceInfo, error) {
return pkgHandle.DevlinkGetDeviceInfoByName(d.BusName, d.DeviceName, pkgHandle.getDevlinkInfoMsg)
}
// GetDevlinkInfoAsMap returns devlink info for target device as a map,
// otherwise returns an error code.
func (d *DevlinkDevice) GetDevlinkInfoAsMap() (map[string]string, error) {
return pkgHandle.DevlinkGetDeviceInfoByNameAsMap(d.BusName, d.DeviceName, pkgHandle.getDevlinkInfoMsg)
}
func (h *Handle) getDevlinkInfoMsg(bus, device string) ([]byte, error) {
_, req, err := h.createCmdReq(nl.DEVLINK_CMD_INFO_GET, bus, device)
if err != nil {
return nil, err
}
response, err := req.Execute(unix.NETLINK_GENERIC, 0)
if err != nil {
return nil, err
}
if len(response) < 1 {
return nil, fmt.Errorf("getDevlinkInfoMsg: message too short")
}
return response[0], nil
}
func parseInfoMsg(msg []byte) (map[string]string, error) {
if len(msg) < nl.SizeofGenlmsg {
return nil, fmt.Errorf("parseInfoMsg: message too short")
}
info := make(map[string]string)
err := collectInfoData(msg[nl.SizeofGenlmsg:], info)
if err != nil {
return nil, err
}
return info, nil
}
func collectInfoData(msg []byte, data map[string]string) error {
attrs, err := nl.ParseRouteAttr(msg)
if err != nil {
return err
}
for _, attr := range attrs {
switch attr.Attr.Type {
case nl.DEVLINK_ATTR_INFO_DRIVER_NAME:
data["driver"] = parseInfoValue(attr.Value)
case nl.DEVLINK_ATTR_INFO_SERIAL_NUMBER:
data["serialNumber"] = parseInfoValue(attr.Value)
case nl.DEVLINK_ATTR_INFO_VERSION_RUNNING, nl.DEVLINK_ATTR_INFO_VERSION_FIXED,
nl.DEVLINK_ATTR_INFO_VERSION_STORED:
key, value, err := getNestedInfoData(attr.Value)
if err != nil {
return err
}
data[key] = value
}
}
if len(data) == 0 {
return fmt.Errorf("collectInfoData: could not read attributes")
}
return nil
}
func getNestedInfoData(msg []byte) (string, string, error) {
nestedAttrs, err := nl.ParseRouteAttr(msg)
var key, value string
if err != nil {
return "", "", err
}
if len(nestedAttrs) != 2 {
return "", "", fmt.Errorf("getNestedInfoData: too few attributes in nested structure")
}
for _, nestedAttr := range nestedAttrs {
switch nestedAttr.Attr.Type {
case nl.DEVLINK_ATTR_INFO_VERSION_NAME:
key = parseInfoValue(nestedAttr.Value)
case nl.DEVLINK_ATTR_INFO_VERSION_VALUE:
value = parseInfoValue(nestedAttr.Value)
}
}
if key == "" {
return "", "", fmt.Errorf("getNestedInfoData: key not found")
}
if value == "" {
return "", "", fmt.Errorf("getNestedInfoData: value not found")
}
return key, value, nil
}
func parseInfoData(data map[string]string) *DevlinkDeviceInfo {
info := new(DevlinkDeviceInfo)
for key, value := range data {
switch key {
case "driver":
info.Driver = value
case "serialNumber":
info.SerialNumber = value
case "board.id":
info.BoardID = value
case "fw.app":
info.FwApp = value
case "fw.app.bundle_id":
info.FwAppBoundleID = value
case "fw.app.name":
info.FwAppName = value
case "fw.bundle_id":
info.FwBoundleID = value
case "fw.mgmt":
info.FwMgmt = value
case "fw.mgmt.api":
info.FwMgmtAPI = value
case "fw.mgmt.build":
info.FwMgmtBuild = value
case "fw.netlist":
info.FwNetlist = value
case "fw.netlist.build":
info.FwNetlistBuild = value
case "fw.psid.api":
info.FwPsidAPI = value
case "fw.undi":
info.FwUndi = value
}
}
return info
}
func parseInfoValue(value []byte) string {
v := strings.ReplaceAll(string(value), "\x00", "")
return strings.TrimSpace(v)
}

104
vendor/github.com/vishvananda/netlink/filter.go generated vendored
View file

@ -157,6 +157,39 @@ func NewConnmarkAction() *ConnmarkAction {
}
}
type CsumUpdateFlags uint32
const (
TCA_CSUM_UPDATE_FLAG_IPV4HDR CsumUpdateFlags = 1
TCA_CSUM_UPDATE_FLAG_ICMP CsumUpdateFlags = 2
TCA_CSUM_UPDATE_FLAG_IGMP CsumUpdateFlags = 4
TCA_CSUM_UPDATE_FLAG_TCP CsumUpdateFlags = 8
TCA_CSUM_UPDATE_FLAG_UDP CsumUpdateFlags = 16
TCA_CSUM_UPDATE_FLAG_UDPLITE CsumUpdateFlags = 32
TCA_CSUM_UPDATE_FLAG_SCTP CsumUpdateFlags = 64
)
type CsumAction struct {
ActionAttrs
UpdateFlags CsumUpdateFlags
}
func (action *CsumAction) Type() string {
return "csum"
}
func (action *CsumAction) Attrs() *ActionAttrs {
return &action.ActionAttrs
}
func NewCsumAction() *CsumAction {
return &CsumAction{
ActionAttrs: ActionAttrs{
Action: TC_ACT_PIPE,
},
}
}
type MirredAct uint8
func (a MirredAct) String() string {
@ -213,10 +246,11 @@ const (
type TunnelKeyAction struct {
ActionAttrs
Action TunnelKeyAct
SrcAddr net.IP
DstAddr net.IP
KeyID uint32
Action TunnelKeyAct
SrcAddr net.IP
DstAddr net.IP
KeyID uint32
DestPort uint16
}
func (action *TunnelKeyAction) Type() string {
@ -259,6 +293,40 @@ func NewSkbEditAction() *SkbEditAction {
}
}
type PoliceAction struct {
ActionAttrs
Rate uint32 // in byte per second
Burst uint32 // in byte
RCellLog int
Mtu uint32
Mpu uint16 // in byte
PeakRate uint32 // in byte per second
PCellLog int
AvRate uint32 // in byte per second
Overhead uint16
LinkLayer int
ExceedAction TcPolAct
NotExceedAction TcPolAct
}
func (action *PoliceAction) Type() string {
return "police"
}
func (action *PoliceAction) Attrs() *ActionAttrs {
return &action.ActionAttrs
}
func NewPoliceAction() *PoliceAction {
return &PoliceAction{
RCellLog: -1,
PCellLog: -1,
LinkLayer: 1, // ETHERNET
ExceedAction: TC_POLICE_RECLASSIFY,
NotExceedAction: TC_POLICE_OK,
}
}
// MatchAll filters match all packets
type MatchAll struct {
FilterAttrs
@ -274,20 +342,20 @@ func (filter *MatchAll) Type() string {
return "matchall"
}
type FilterFwAttrs struct {
ClassId uint32
InDev string
Mask uint32
Index uint32
Buffer uint32
Mtu uint32
Mpu uint16
Rate uint32
AvRate uint32
PeakRate uint32
Action TcPolAct
Overhead uint16
LinkLayer int
type FwFilter struct {
FilterAttrs
ClassId uint32
InDev string
Mask uint32
Police *PoliceAction
}
func (filter *FwFilter) Attrs() *FilterAttrs {
return &filter.FilterAttrs
}
func (filter *FwFilter) Type() string {
return "fw"
}
type BpfFilter struct {

358
vendor/github.com/vishvananda/netlink/filter_linux.go generated vendored
View file

@ -37,6 +37,7 @@ type U32 struct {
ClassId uint32
Divisor uint32 // Divisor MUST be power of 2.
Hash uint32
Link uint32
RedirIndex int
Sel *TcU32Sel
Actions []Action
@ -50,74 +51,129 @@ func (filter *U32) Type() string {
return "u32"
}
// Fw filter filters on firewall marks
// NOTE: this is in filter_linux because it refers to nl.TcPolice which
// is defined in nl/tc_linux.go
type Fw struct {
type Flower struct {
FilterAttrs
ClassId uint32
// TODO remove nl type from interface
Police nl.TcPolice
InDev string
// TODO Action
Mask uint32
AvRate uint32
Rtab [256]uint32
Ptab [256]uint32
DestIP net.IP
DestIPMask net.IPMask
SrcIP net.IP
SrcIPMask net.IPMask
EthType uint16
EncDestIP net.IP
EncDestIPMask net.IPMask
EncSrcIP net.IP
EncSrcIPMask net.IPMask
EncDestPort uint16
EncKeyId uint32
Actions []Action
}
func NewFw(attrs FilterAttrs, fattrs FilterFwAttrs) (*Fw, error) {
var rtab [256]uint32
var ptab [256]uint32
rcellLog := -1
pcellLog := -1
avrate := fattrs.AvRate / 8
police := nl.TcPolice{}
police.Rate.Rate = fattrs.Rate / 8
police.PeakRate.Rate = fattrs.PeakRate / 8
buffer := fattrs.Buffer
linklayer := nl.LINKLAYER_ETHERNET
if fattrs.LinkLayer != nl.LINKLAYER_UNSPEC {
linklayer = fattrs.LinkLayer
}
police.Action = int32(fattrs.Action)
if police.Rate.Rate != 0 {
police.Rate.Mpu = fattrs.Mpu
police.Rate.Overhead = fattrs.Overhead
if CalcRtable(&police.Rate, rtab[:], rcellLog, fattrs.Mtu, linklayer) < 0 {
return nil, errors.New("TBF: failed to calculate rate table")
}
police.Burst = uint32(Xmittime(uint64(police.Rate.Rate), uint32(buffer)))
}
police.Mtu = fattrs.Mtu
if police.PeakRate.Rate != 0 {
police.PeakRate.Mpu = fattrs.Mpu
police.PeakRate.Overhead = fattrs.Overhead
if CalcRtable(&police.PeakRate, ptab[:], pcellLog, fattrs.Mtu, linklayer) < 0 {
return nil, errors.New("POLICE: failed to calculate peak rate table")
}
}
return &Fw{
FilterAttrs: attrs,
ClassId: fattrs.ClassId,
InDev: fattrs.InDev,
Mask: fattrs.Mask,
Police: police,
AvRate: avrate,
Rtab: rtab,
Ptab: ptab,
}, nil
}
func (filter *Fw) Attrs() *FilterAttrs {
func (filter *Flower) Attrs() *FilterAttrs {
return &filter.FilterAttrs
}
func (filter *Fw) Type() string {
return "fw"
func (filter *Flower) Type() string {
return "flower"
}
func (filter *Flower) encodeIP(parent *nl.RtAttr, ip net.IP, mask net.IPMask, v4Type, v6Type int, v4MaskType, v6MaskType int) {
ipType := v4Type
maskType := v4MaskType
encodeMask := mask
if mask == nil {
encodeMask = net.CIDRMask(32, 32)
}
v4IP := ip.To4()
if v4IP == nil {
ipType = v6Type
maskType = v6MaskType
if mask == nil {
encodeMask = net.CIDRMask(128, 128)
}
} else {
ip = v4IP
}
parent.AddRtAttr(ipType, ip)
parent.AddRtAttr(maskType, encodeMask)
}
func (filter *Flower) encode(parent *nl.RtAttr) error {
if filter.EthType != 0 {
parent.AddRtAttr(nl.TCA_FLOWER_KEY_ETH_TYPE, htons(filter.EthType))
}
if filter.SrcIP != nil {
filter.encodeIP(parent, filter.SrcIP, filter.SrcIPMask,
nl.TCA_FLOWER_KEY_IPV4_SRC, nl.TCA_FLOWER_KEY_IPV6_SRC,
nl.TCA_FLOWER_KEY_IPV4_SRC_MASK, nl.TCA_FLOWER_KEY_IPV6_SRC_MASK)
}
if filter.DestIP != nil {
filter.encodeIP(parent, filter.DestIP, filter.DestIPMask,
nl.TCA_FLOWER_KEY_IPV4_DST, nl.TCA_FLOWER_KEY_IPV6_DST,
nl.TCA_FLOWER_KEY_IPV4_DST_MASK, nl.TCA_FLOWER_KEY_IPV6_DST_MASK)
}
if filter.EncSrcIP != nil {
filter.encodeIP(parent, filter.EncSrcIP, filter.EncSrcIPMask,
nl.TCA_FLOWER_KEY_ENC_IPV4_SRC, nl.TCA_FLOWER_KEY_ENC_IPV6_SRC,
nl.TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK, nl.TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK)
}
if filter.EncDestIP != nil {
filter.encodeIP(parent, filter.EncDestIP, filter.EncSrcIPMask,
nl.TCA_FLOWER_KEY_ENC_IPV4_DST, nl.TCA_FLOWER_KEY_ENC_IPV6_DST,
nl.TCA_FLOWER_KEY_ENC_IPV4_DST_MASK, nl.TCA_FLOWER_KEY_ENC_IPV6_DST_MASK)
}
if filter.EncDestPort != 0 {
parent.AddRtAttr(nl.TCA_FLOWER_KEY_ENC_UDP_DST_PORT, htons(filter.EncDestPort))
}
if filter.EncKeyId != 0 {
parent.AddRtAttr(nl.TCA_FLOWER_KEY_ENC_KEY_ID, htonl(filter.EncKeyId))
}
actionsAttr := parent.AddRtAttr(nl.TCA_FLOWER_ACT, nil)
if err := EncodeActions(actionsAttr, filter.Actions); err != nil {
return err
}
return nil
}
func (filter *Flower) decode(data []syscall.NetlinkRouteAttr) error {
for _, datum := range data {
switch datum.Attr.Type {
case nl.TCA_FLOWER_KEY_ETH_TYPE:
filter.EthType = ntohs(datum.Value)
case nl.TCA_FLOWER_KEY_IPV4_SRC, nl.TCA_FLOWER_KEY_IPV6_SRC:
filter.SrcIP = datum.Value
case nl.TCA_FLOWER_KEY_IPV4_SRC_MASK, nl.TCA_FLOWER_KEY_IPV6_SRC_MASK:
filter.SrcIPMask = datum.Value
case nl.TCA_FLOWER_KEY_IPV4_DST, nl.TCA_FLOWER_KEY_IPV6_DST:
filter.DestIP = datum.Value
case nl.TCA_FLOWER_KEY_IPV4_DST_MASK, nl.TCA_FLOWER_KEY_IPV6_DST_MASK:
filter.DestIPMask = datum.Value
case nl.TCA_FLOWER_KEY_ENC_IPV4_SRC, nl.TCA_FLOWER_KEY_ENC_IPV6_SRC:
filter.EncSrcIP = datum.Value
case nl.TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK, nl.TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK:
filter.EncSrcIPMask = datum.Value
case nl.TCA_FLOWER_KEY_ENC_IPV4_DST, nl.TCA_FLOWER_KEY_ENC_IPV6_DST:
filter.EncDestIP = datum.Value
case nl.TCA_FLOWER_KEY_ENC_IPV4_DST_MASK, nl.TCA_FLOWER_KEY_ENC_IPV6_DST_MASK:
filter.EncDestIPMask = datum.Value
case nl.TCA_FLOWER_KEY_ENC_UDP_DST_PORT:
filter.EncDestPort = ntohs(datum.Value)
case nl.TCA_FLOWER_KEY_ENC_KEY_ID:
filter.EncKeyId = ntohl(datum.Value)
case nl.TCA_FLOWER_ACT:
tables, err := nl.ParseRouteAttr(datum.Value)
if err != nil {
return err
}
filter.Actions, err = parseActions(tables)
if err != nil {
return err
}
}
}
return nil
}
// FilterDel will delete a filter from the system.
@ -169,7 +225,6 @@ func (h *Handle) FilterReplace(filter Filter) error {
}
func (h *Handle) filterModify(filter Filter, flags int) error {
native = nl.NativeEndian()
req := h.newNetlinkRequest(unix.RTM_NEWTFILTER, flags|unix.NLM_F_ACK)
base := filter.Attrs()
msg := &nl.TcMsg{
@ -226,6 +281,9 @@ func (h *Handle) filterModify(filter Filter, flags int) error {
if filter.Hash != 0 {
options.AddRtAttr(nl.TCA_U32_HASH, nl.Uint32Attr(filter.Hash))
}
if filter.Link != 0 {
options.AddRtAttr(nl.TCA_U32_LINK, nl.Uint32Attr(filter.Link))
}
actionsAttr := options.AddRtAttr(nl.TCA_U32_ACT, nil)
// backwards compatibility
if filter.RedirIndex != 0 {
@ -234,7 +292,7 @@ func (h *Handle) filterModify(filter Filter, flags int) error {
if err := EncodeActions(actionsAttr, filter.Actions); err != nil {
return err
}
case *Fw:
case *FwFilter:
if filter.Mask != 0 {
b := make([]byte, 4)
native.PutUint32(b, filter.Mask)
@ -243,17 +301,10 @@ func (h *Handle) filterModify(filter Filter, flags int) error {
if filter.InDev != "" {
options.AddRtAttr(nl.TCA_FW_INDEV, nl.ZeroTerminated(filter.InDev))
}
if (filter.Police != nl.TcPolice{}) {
if filter.Police != nil {
police := options.AddRtAttr(nl.TCA_FW_POLICE, nil)
police.AddRtAttr(nl.TCA_POLICE_TBF, filter.Police.Serialize())
if (filter.Police.Rate != nl.TcRateSpec{}) {
payload := SerializeRtab(filter.Rtab)
police.AddRtAttr(nl.TCA_POLICE_RATE, payload)
}
if (filter.Police.PeakRate != nl.TcRateSpec{}) {
payload := SerializeRtab(filter.Ptab)
police.AddRtAttr(nl.TCA_POLICE_PEAKRATE, payload)
if err := encodePolice(police, filter.Police); err != nil {
return err
}
}
if filter.ClassId != 0 {
@ -284,6 +335,10 @@ func (h *Handle) filterModify(filter Filter, flags int) error {
if filter.ClassId != 0 {
options.AddRtAttr(nl.TCA_MATCHALL_CLASSID, nl.Uint32Attr(filter.ClassId))
}
case *Flower:
if err := filter.encode(options); err != nil {
return err
}
}
req.AddData(options)
@ -347,11 +402,13 @@ func (h *Handle) FilterList(link Link, parent uint32) ([]Filter, error) {
case "u32":
filter = &U32{}
case "fw":
filter = &Fw{}
filter = &FwFilter{}
case "bpf":
filter = &BpfFilter{}
case "matchall":
filter = &MatchAll{}
case "flower":
filter = &Flower{}
default:
filter = &GenericFilter{FilterType: filterType}
}
@ -381,6 +438,11 @@ func (h *Handle) FilterList(link Link, parent uint32) ([]Filter, error) {
if err != nil {
return nil, err
}
case "flower":
detailed, err = parseFlowerData(filter, data)
if err != nil {
return nil, err
}
default:
detailed = true
}
@ -412,6 +474,53 @@ func toAttrs(tcgen *nl.TcGen, attrs *ActionAttrs) {
attrs.Bindcnt = int(tcgen.Bindcnt)
}
func encodePolice(attr *nl.RtAttr, action *PoliceAction) error {
var rtab [256]uint32
var ptab [256]uint32
police := nl.TcPolice{}
police.Index = uint32(action.Attrs().Index)
police.Bindcnt = int32(action.Attrs().Bindcnt)
police.Capab = uint32(action.Attrs().Capab)
police.Refcnt = int32(action.Attrs().Refcnt)
police.Rate.Rate = action.Rate
police.PeakRate.Rate = action.PeakRate
police.Action = int32(action.ExceedAction)
if police.Rate.Rate != 0 {
police.Rate.Mpu = action.Mpu
police.Rate.Overhead = action.Overhead
if CalcRtable(&police.Rate, rtab[:], action.RCellLog, action.Mtu, action.LinkLayer) < 0 {
return errors.New("TBF: failed to calculate rate table")
}
police.Burst = Xmittime(uint64(police.Rate.Rate), action.Burst)
}
police.Mtu = action.Mtu
if police.PeakRate.Rate != 0 {
police.PeakRate.Mpu = action.Mpu
police.PeakRate.Overhead = action.Overhead
if CalcRtable(&police.PeakRate, ptab[:], action.PCellLog, action.Mtu, action.LinkLayer) < 0 {
return errors.New("POLICE: failed to calculate peak rate table")
}
}
attr.AddRtAttr(nl.TCA_POLICE_TBF, police.Serialize())
if police.Rate.Rate != 0 {
attr.AddRtAttr(nl.TCA_POLICE_RATE, SerializeRtab(rtab))
}
if police.PeakRate.Rate != 0 {
attr.AddRtAttr(nl.TCA_POLICE_PEAKRATE, SerializeRtab(ptab))
}
if action.AvRate != 0 {
attr.AddRtAttr(nl.TCA_POLICE_AVRATE, nl.Uint32Attr(action.AvRate))
}
if action.NotExceedAction != 0 {
attr.AddRtAttr(nl.TCA_POLICE_RESULT, nl.Uint32Attr(uint32(action.NotExceedAction)))
}
return nil
}
func EncodeActions(attr *nl.RtAttr, actions []Action) error {
tabIndex := int(nl.TCA_ACT_TAB)
@ -419,6 +528,14 @@ func EncodeActions(attr *nl.RtAttr, actions []Action) error {
switch action := action.(type) {
default:
return fmt.Errorf("unknown action type %s", action.Type())
case *PoliceAction:
table := attr.AddRtAttr(tabIndex, nil)
tabIndex++
table.AddRtAttr(nl.TCA_ACT_KIND, nl.ZeroTerminated("police"))
aopts := table.AddRtAttr(nl.TCA_ACT_OPTIONS, nil)
if err := encodePolice(aopts, action); err != nil {
return err
}
case *MirredAction:
table := attr.AddRtAttr(tabIndex, nil)
tabIndex++
@ -456,6 +573,9 @@ func EncodeActions(attr *nl.RtAttr, actions []Action) error {
} else {
return fmt.Errorf("invalid dst addr %s for tunnel_key action", action.DstAddr)
}
if action.DestPort != 0 {
aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_ENC_DST_PORT, htons(action.DestPort))
}
}
case *SkbEditAction:
table := attr.AddRtAttr(tabIndex, nil)
@ -487,6 +607,16 @@ func EncodeActions(attr *nl.RtAttr, actions []Action) error {
}
toTcGen(action.Attrs(), &connmark.TcGen)
aopts.AddRtAttr(nl.TCA_CONNMARK_PARMS, connmark.Serialize())
case *CsumAction:
table := attr.AddRtAttr(tabIndex, nil)
tabIndex++
table.AddRtAttr(nl.TCA_ACT_KIND, nl.ZeroTerminated("csum"))
aopts := table.AddRtAttr(nl.TCA_ACT_OPTIONS, nil)
csum := nl.TcCsum{
UpdateFlags: uint32(action.UpdateFlags),
}
toTcGen(action.Attrs(), &csum.TcGen)
aopts.AddRtAttr(nl.TCA_CSUM_PARMS, csum.Serialize())
case *BpfAction:
table := attr.AddRtAttr(tabIndex, nil)
tabIndex++
@ -510,6 +640,29 @@ func EncodeActions(attr *nl.RtAttr, actions []Action) error {
return nil
}
func parsePolice(data syscall.NetlinkRouteAttr, police *PoliceAction) {
switch data.Attr.Type {
case nl.TCA_POLICE_RESULT:
police.NotExceedAction = TcPolAct(native.Uint32(data.Value[0:4]))
case nl.TCA_POLICE_AVRATE:
police.AvRate = native.Uint32(data.Value[0:4])
case nl.TCA_POLICE_TBF:
p := *nl.DeserializeTcPolice(data.Value)
police.ActionAttrs = ActionAttrs{}
police.Attrs().Index = int(p.Index)
police.Attrs().Bindcnt = int(p.Bindcnt)
police.Attrs().Capab = int(p.Capab)
police.Attrs().Refcnt = int(p.Refcnt)
police.ExceedAction = TcPolAct(p.Action)
police.Rate = p.Rate.Rate
police.PeakRate = p.PeakRate.Rate
police.Burst = Xmitsize(uint64(p.Rate.Rate), p.Burst)
police.Mtu = p.Mtu
police.LinkLayer = int(p.Rate.Linklayer) & nl.TC_LINKLAYER_MASK
police.Overhead = p.Rate.Overhead
}
}
func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
var actions []Action
for _, table := range tables {
@ -532,12 +685,16 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
action = &BpfAction{}
case "connmark":
action = &ConnmarkAction{}
case "csum":
action = &CsumAction{}
case "gact":
action = &GenericAction{}
case "tunnel_key":
action = &TunnelKeyAction{}
case "skbedit":
action = &SkbEditAction{}
case "police":
action = &PoliceAction{}
default:
break nextattr
}
@ -566,12 +723,12 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
action.(*TunnelKeyAction).Action = TunnelKeyAct(tun.Action)
case nl.TCA_TUNNEL_KEY_ENC_KEY_ID:
action.(*TunnelKeyAction).KeyID = networkOrder.Uint32(adatum.Value[0:4])
case nl.TCA_TUNNEL_KEY_ENC_IPV6_SRC:
case nl.TCA_TUNNEL_KEY_ENC_IPV4_SRC:
action.(*TunnelKeyAction).SrcAddr = net.IP(adatum.Value[:])
case nl.TCA_TUNNEL_KEY_ENC_IPV6_DST:
case nl.TCA_TUNNEL_KEY_ENC_IPV4_DST:
action.(*TunnelKeyAction).DstAddr = net.IP(adatum.Value[:])
case nl.TCA_TUNNEL_KEY_ENC_IPV6_SRC, nl.TCA_TUNNEL_KEY_ENC_IPV4_SRC:
action.(*TunnelKeyAction).SrcAddr = adatum.Value[:]
case nl.TCA_TUNNEL_KEY_ENC_IPV6_DST, nl.TCA_TUNNEL_KEY_ENC_IPV4_DST:
action.(*TunnelKeyAction).DstAddr = adatum.Value[:]
case nl.TCA_TUNNEL_KEY_ENC_DST_PORT:
action.(*TunnelKeyAction).DestPort = ntohs(adatum.Value)
}
case "skbedit":
switch adatum.Attr.Type {
@ -610,12 +767,22 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
toAttrs(&connmark.TcGen, action.Attrs())
action.(*ConnmarkAction).Zone = connmark.Zone
}
case "csum":
switch adatum.Attr.Type {
case nl.TCA_CSUM_PARMS:
csum := *nl.DeserializeTcCsum(adatum.Value)
action.(*CsumAction).ActionAttrs = ActionAttrs{}
toAttrs(&csum.TcGen, action.Attrs())
action.(*CsumAction).UpdateFlags = CsumUpdateFlags(csum.UpdateFlags)
}
case "gact":
switch adatum.Attr.Type {
case nl.TCA_GACT_PARMS:
gen := *nl.DeserializeTcGen(adatum.Value)
toAttrs(&gen, action.Attrs())
}
case "police":
parsePolice(adatum, action.(*PoliceAction))
}
}
}
@ -626,7 +793,6 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
}
func parseU32Data(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error) {
native = nl.NativeEndian()
u32 := filter.(*U32)
detailed := false
for _, datum := range data {
@ -664,14 +830,15 @@ func parseU32Data(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error)
u32.Divisor = native.Uint32(datum.Value)
case nl.TCA_U32_HASH:
u32.Hash = native.Uint32(datum.Value)
case nl.TCA_U32_LINK:
u32.Link = native.Uint32(datum.Value)
}
}
return detailed, nil
}
func parseFwData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error) {
native = nl.NativeEndian()
fw := filter.(*Fw)
fw := filter.(*FwFilter)
detailed := true
for _, datum := range data {
switch datum.Attr.Type {
@ -682,24 +849,18 @@ func parseFwData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error) {
case nl.TCA_FW_INDEV:
fw.InDev = string(datum.Value[:len(datum.Value)-1])
case nl.TCA_FW_POLICE:
var police PoliceAction
adata, _ := nl.ParseRouteAttr(datum.Value)
for _, aattr := range adata {
switch aattr.Attr.Type {
case nl.TCA_POLICE_TBF:
fw.Police = *nl.DeserializeTcPolice(aattr.Value)
case nl.TCA_POLICE_RATE:
fw.Rtab = DeserializeRtab(aattr.Value)
case nl.TCA_POLICE_PEAKRATE:
fw.Ptab = DeserializeRtab(aattr.Value)
}
parsePolice(aattr, &police)
}
fw.Police = &police
}
}
return detailed, nil
}
func parseBpfData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error) {
native = nl.NativeEndian()
bpf := filter.(*BpfFilter)
detailed := true
for _, datum := range data {
@ -718,14 +879,13 @@ func parseBpfData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error)
case nl.TCA_BPF_ID:
bpf.Id = int(native.Uint32(datum.Value[0:4]))
case nl.TCA_BPF_TAG:
bpf.Tag = hex.EncodeToString(datum.Value[:len(datum.Value)-1])
bpf.Tag = hex.EncodeToString(datum.Value)
}
}
return detailed, nil
}
func parseMatchAllData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error) {
native = nl.NativeEndian()
matchall := filter.(*MatchAll)
detailed := true
for _, datum := range data {
@ -746,6 +906,10 @@ func parseMatchAllData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, er
return detailed, nil
}
func parseFlowerData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error) {
return true, filter.(*Flower).decode(data)
}
func AlignToAtm(size uint) uint {
var linksize, cells int
cells = int(size / nl.ATM_CELL_PAYLOAD)
@ -783,7 +947,7 @@ func CalcRtable(rate *nl.TcRateSpec, rtab []uint32, cellLog int, mtu uint32, lin
}
for i := 0; i < 256; i++ {
sz = AdjustSize(uint((i+1)<<uint32(cellLog)), uint(mpu), linklayer)
rtab[i] = uint32(Xmittime(uint64(bps), uint32(sz)))
rtab[i] = Xmittime(uint64(bps), uint32(sz))
}
rate.CellAlign = -1
rate.CellLog = uint8(cellLog)
@ -793,14 +957,12 @@ func CalcRtable(rate *nl.TcRateSpec, rtab []uint32, cellLog int, mtu uint32, lin
func DeserializeRtab(b []byte) [256]uint32 {
var rtab [256]uint32
native := nl.NativeEndian()
r := bytes.NewReader(b)
_ = binary.Read(r, native, &rtab)
return rtab
}
func SerializeRtab(rtab [256]uint32) []byte {
native := nl.NativeEndian()
var w bytes.Buffer
_ = binary.Write(&w, native, rtab)
return w.Bytes()

45
vendor/github.com/vishvananda/netlink/handle_linux.go generated vendored
View file

@ -15,12 +15,28 @@ var pkgHandle = &Handle{}
// Handle is an handle for the netlink requests on a
// specific network namespace. All the requests on the
// same netlink family share the same netlink socket,
// which gets released when the handle is deleted.
// which gets released when the handle is Close'd.
type Handle struct {
sockets map[int]*nl.SocketHandle
lookupByDump bool
}
// SetSocketTimeout configures timeout for default netlink sockets
func SetSocketTimeout(to time.Duration) error {
if to < time.Microsecond {
return fmt.Errorf("invalid timeout, minimul value is %s", time.Microsecond)
}
nl.SocketTimeoutTv = unix.NsecToTimeval(to.Nanoseconds())
return nil
}
// GetSocketTimeout returns the timeout value used by default netlink sockets
func GetSocketTimeout() time.Duration {
nsec := unix.TimevalToNsec(nl.SocketTimeoutTv)
return time.Duration(nsec) * time.Nanosecond
}
// SupportsNetlinkFamily reports whether the passed netlink family is supported by this Handle
func (h *Handle) SupportsNetlinkFamily(nlFamily int) bool {
_, ok := h.sockets[nlFamily]
@ -91,6 +107,21 @@ func (h *Handle) GetSocketReceiveBufferSize() ([]int, error) {
return results, nil
}
// SetStrictCheck sets the strict check socket option for each socket in the netlink handle. Returns early if any set operation fails
func (h *Handle) SetStrictCheck(state bool) error {
for _, sh := range h.sockets {
var stateInt int = 0
if state {
stateInt = 1
}
err := unix.SetsockoptInt(sh.Socket.GetFd(), unix.SOL_NETLINK, unix.NETLINK_GET_STRICT_CHK, stateInt)
if err != nil {
return err
}
}
return nil
}
// NewHandleAt returns a netlink handle on the network namespace
// specified by ns. If ns=netns.None(), current network namespace
// will be assumed
@ -120,14 +151,22 @@ func newHandle(newNs, curNs netns.NsHandle, nlFamilies ...int) (*Handle, error)
return h, nil
}
// Delete releases the resources allocated to this handle
func (h *Handle) Delete() {
// Close releases the resources allocated to this handle
func (h *Handle) Close() {
for _, sh := range h.sockets {
sh.Close()
}
h.sockets = nil
}
// Delete releases the resources allocated to this handle
//
// Deprecated: use Close instead which is in line with typical resource release
// patterns for files and other resources.
func (h *Handle) Delete() {
h.Close()
}
func (h *Handle) newNetlinkRequest(proto, flags int) *nl.NetlinkRequest {
// Do this so that package API still use nl package variable nextSeqNr
if h.sockets == nil {

8
vendor/github.com/vishvananda/netlink/handle_unspecified.go generated vendored
View file

@ -23,6 +23,8 @@ func NewHandleAtFrom(newNs, curNs netns.NsHandle) (*Handle, error) {
return nil, ErrNotImplemented
}
func (h *Handle) Close() {}
func (h *Handle) Delete() {}
func (h *Handle) SupportsNetlinkFamily(nlFamily int) bool {
@ -85,7 +87,7 @@ func (h *Handle) LinkSetVfRate(link Link, vf, minRate, maxRate int) error {
return ErrNotImplemented
}
func (h *Handle) LinkSetMaster(link Link, master *Bridge) error {
func (h *Handle) LinkSetMaster(link Link, master Link) error {
return ErrNotImplemented
}
@ -237,6 +239,10 @@ func (h *Handle) RouteAdd(route *Route) error {
return ErrNotImplemented
}
func (h *Handle) RouteAppend(route *Route) error {
return ErrNotImplemented
}
func (h *Handle) RouteDel(route *Route) error {
return ErrNotImplemented
}

31
vendor/github.com/vishvananda/netlink/inet_diag.go generated vendored Normal file
View file

@ -0,0 +1,31 @@
package netlink
// INET_DIAG constatns
const (
INET_DIAG_NONE = iota
INET_DIAG_MEMINFO
INET_DIAG_INFO
INET_DIAG_VEGASINFO
INET_DIAG_CONG
INET_DIAG_TOS
INET_DIAG_TCLASS
INET_DIAG_SKMEMINFO
INET_DIAG_SHUTDOWN
INET_DIAG_DCTCPINFO
INET_DIAG_PROTOCOL
INET_DIAG_SKV6ONLY
INET_DIAG_LOCALS
INET_DIAG_PEERS
INET_DIAG_PAD
INET_DIAG_MARK
INET_DIAG_BBRINFO
INET_DIAG_CLASS_ID
INET_DIAG_MD5SIG
INET_DIAG_MAX
)
type InetDiagTCPInfoResp struct {
InetDiagMsg *Socket
TCPInfo *TCPInfo
TCPBBRInfo *TCPBBRInfo
}

504
vendor/github.com/vishvananda/netlink/ipset_linux.go generated vendored Normal file
View file

@ -0,0 +1,504 @@
package netlink
import (
"encoding/binary"
"log"
"net"
"syscall"
"github.com/vishvananda/netlink/nl"
"golang.org/x/sys/unix"
)
// IPSetEntry is used for adding, updating, retreiving and deleting entries
type IPSetEntry struct {
Comment string
MAC net.HardwareAddr
IP net.IP
CIDR uint8
Timeout *uint32
Packets *uint64
Bytes *uint64
Protocol *uint8
Port *uint16
IP2 net.IP
CIDR2 uint8
IFace string
Mark *uint32
Replace bool // replace existing entry
}
// IPSetResult is the result of a dump request for a set
type IPSetResult struct {
Nfgenmsg *nl.Nfgenmsg
Protocol uint8
ProtocolMinVersion uint8
Revision uint8
Family uint8
Flags uint8
SetName string
TypeName string
Comment string
MarkMask uint32
IPFrom net.IP
IPTo net.IP
PortFrom uint16
PortTo uint16
HashSize uint32
NumEntries uint32
MaxElements uint32
References uint32
SizeInMemory uint32
CadtFlags uint32
Timeout *uint32
LineNo uint32
Entries []IPSetEntry
}
// IpsetCreateOptions is the options struct for creating a new ipset
type IpsetCreateOptions struct {
Replace bool // replace existing ipset
Timeout *uint32
Counters bool
Comments bool
Skbinfo bool
Revision uint8
IPFrom net.IP
IPTo net.IP
PortFrom uint16
PortTo uint16
}
// IpsetProtocol returns the ipset protocol version from the kernel
func IpsetProtocol() (uint8, uint8, error) {
return pkgHandle.IpsetProtocol()
}
// IpsetCreate creates a new ipset
func IpsetCreate(setname, typename string, options IpsetCreateOptions) error {
return pkgHandle.IpsetCreate(setname, typename, options)
}
// IpsetDestroy destroys an existing ipset
func IpsetDestroy(setname string) error {
return pkgHandle.IpsetDestroy(setname)
}
// IpsetFlush flushes an existing ipset
func IpsetFlush(setname string) error {
return pkgHandle.IpsetFlush(setname)
}
// IpsetList dumps an specific ipset.
func IpsetList(setname string) (*IPSetResult, error) {
return pkgHandle.IpsetList(setname)
}
// IpsetListAll dumps all ipsets.
func IpsetListAll() ([]IPSetResult, error) {
return pkgHandle.IpsetListAll()
}
// IpsetAdd adds an entry to an existing ipset.
func IpsetAdd(setname string, entry *IPSetEntry) error {
return pkgHandle.IpsetAdd(setname, entry)
}
// IpsetDel deletes an entry from an existing ipset.
func IpsetDel(setname string, entry *IPSetEntry) error {
return pkgHandle.IpsetDel(setname, entry)
}
func (h *Handle) IpsetProtocol() (protocol uint8, minVersion uint8, err error) {
req := h.newIpsetRequest(nl.IPSET_CMD_PROTOCOL)
msgs, err := req.Execute(unix.NETLINK_NETFILTER, 0)
if err != nil {
return 0, 0, err
}
response := ipsetUnserialize(msgs)
return response.Protocol, response.ProtocolMinVersion, nil
}
func (h *Handle) IpsetCreate(setname, typename string, options IpsetCreateOptions) error {
req := h.newIpsetRequest(nl.IPSET_CMD_CREATE)
if !options.Replace {
req.Flags |= unix.NLM_F_EXCL
}
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_SETNAME, nl.ZeroTerminated(setname)))
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_TYPENAME, nl.ZeroTerminated(typename)))
revision := options.Revision
if revision == 0 {
revision = getIpsetDefaultWithTypeName(typename)
}
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_REVISION, nl.Uint8Attr(revision)))
data := nl.NewRtAttr(nl.IPSET_ATTR_DATA|int(nl.NLA_F_NESTED), nil)
var family uint8
switch typename {
case "hash:mac":
case "bitmap:port":
buf := make([]byte, 4)
binary.BigEndian.PutUint16(buf, options.PortFrom)
binary.BigEndian.PutUint16(buf[2:], options.PortTo)
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_PORT_FROM|int(nl.NLA_F_NET_BYTEORDER), buf[:2]))
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_PORT_TO|int(nl.NLA_F_NET_BYTEORDER), buf[2:]))
default:
family = unix.AF_INET
}
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_FAMILY, nl.Uint8Attr(family)))
if timeout := options.Timeout; timeout != nil {
data.AddChild(&nl.Uint32Attribute{Type: nl.IPSET_ATTR_TIMEOUT | nl.NLA_F_NET_BYTEORDER, Value: *timeout})
}
var cadtFlags uint32
if options.Comments {
cadtFlags |= nl.IPSET_FLAG_WITH_COMMENT
}
if options.Counters {
cadtFlags |= nl.IPSET_FLAG_WITH_COUNTERS
}
if options.Skbinfo {
cadtFlags |= nl.IPSET_FLAG_WITH_SKBINFO
}
if cadtFlags != 0 {
data.AddChild(&nl.Uint32Attribute{Type: nl.IPSET_ATTR_CADT_FLAGS | nl.NLA_F_NET_BYTEORDER, Value: cadtFlags})
}
req.AddData(data)
_, err := ipsetExecute(req)
return err
}
func (h *Handle) IpsetDestroy(setname string) error {
req := h.newIpsetRequest(nl.IPSET_CMD_DESTROY)
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_SETNAME, nl.ZeroTerminated(setname)))
_, err := ipsetExecute(req)
return err
}
func (h *Handle) IpsetFlush(setname string) error {
req := h.newIpsetRequest(nl.IPSET_CMD_FLUSH)
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_SETNAME, nl.ZeroTerminated(setname)))
_, err := ipsetExecute(req)
return err
}
func (h *Handle) IpsetList(name string) (*IPSetResult, error) {
req := h.newIpsetRequest(nl.IPSET_CMD_LIST)
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_SETNAME, nl.ZeroTerminated(name)))
msgs, err := ipsetExecute(req)
if err != nil {
return nil, err
}
result := ipsetUnserialize(msgs)
return &result, nil
}
func (h *Handle) IpsetListAll() ([]IPSetResult, error) {
req := h.newIpsetRequest(nl.IPSET_CMD_LIST)
msgs, err := ipsetExecute(req)
if err != nil {
return nil, err
}
result := make([]IPSetResult, len(msgs))
for i, msg := range msgs {
result[i].unserialize(msg)
}
return result, nil
}
// IpsetAdd adds an entry to an existing ipset.
func (h *Handle) IpsetAdd(setname string, entry *IPSetEntry) error {
return h.ipsetAddDel(nl.IPSET_CMD_ADD, setname, entry)
}
// IpsetDel deletes an entry from an existing ipset.
func (h *Handle) IpsetDel(setname string, entry *IPSetEntry) error {
return h.ipsetAddDel(nl.IPSET_CMD_DEL, setname, entry)
}
func (h *Handle) ipsetAddDel(nlCmd int, setname string, entry *IPSetEntry) error {
req := h.newIpsetRequest(nlCmd)
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_SETNAME, nl.ZeroTerminated(setname)))
if entry.Comment != "" {
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_COMMENT, nl.ZeroTerminated(entry.Comment)))
}
data := nl.NewRtAttr(nl.IPSET_ATTR_DATA|int(nl.NLA_F_NESTED), nil)
if !entry.Replace {
req.Flags |= unix.NLM_F_EXCL
}
if entry.Timeout != nil {
data.AddChild(&nl.Uint32Attribute{Type: nl.IPSET_ATTR_TIMEOUT | nl.NLA_F_NET_BYTEORDER, Value: *entry.Timeout})
}
if entry.IP != nil {
nestedData := nl.NewRtAttr(nl.IPSET_ATTR_IP|int(nl.NLA_F_NET_BYTEORDER), entry.IP)
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_IP|int(nl.NLA_F_NESTED), nestedData.Serialize()))
}
if entry.MAC != nil {
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_ETHER, entry.MAC))
}
if entry.CIDR != 0 {
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_CIDR, nl.Uint8Attr(entry.CIDR)))
}
if entry.IP2 != nil {
nestedData := nl.NewRtAttr(nl.IPSET_ATTR_IP|int(nl.NLA_F_NET_BYTEORDER), entry.IP2)
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_IP2|int(nl.NLA_F_NESTED), nestedData.Serialize()))
}
if entry.CIDR2 != 0 {
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_CIDR2, nl.Uint8Attr(entry.CIDR2)))
}
if entry.Port != nil {
if entry.Protocol == nil {
// use tcp protocol as default
val := uint8(unix.IPPROTO_TCP)
entry.Protocol = &val
}
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_PROTO, nl.Uint8Attr(*entry.Protocol)))
buf := make([]byte, 2)
binary.BigEndian.PutUint16(buf, *entry.Port)
data.AddChild(nl.NewRtAttr(int(nl.IPSET_ATTR_PORT|nl.NLA_F_NET_BYTEORDER), buf))
}
if entry.IFace != "" {
data.AddChild(nl.NewRtAttr(nl.IPSET_ATTR_IFACE, nl.ZeroTerminated(entry.IFace)))
}
if entry.Mark != nil {
data.AddChild(&nl.Uint32Attribute{Type: nl.IPSET_ATTR_MARK | nl.NLA_F_NET_BYTEORDER, Value: *entry.Mark})
}
data.AddChild(&nl.Uint32Attribute{Type: nl.IPSET_ATTR_LINENO | nl.NLA_F_NET_BYTEORDER, Value: 0})
req.AddData(data)
_, err := ipsetExecute(req)
return err
}
func (h *Handle) newIpsetRequest(cmd int) *nl.NetlinkRequest {
req := h.newNetlinkRequest(cmd|(unix.NFNL_SUBSYS_IPSET<<8), nl.GetIpsetFlags(cmd))
// Add the netfilter header
msg := &nl.Nfgenmsg{
NfgenFamily: uint8(unix.AF_NETLINK),
Version: nl.NFNETLINK_V0,
ResId: 0,
}
req.AddData(msg)
req.AddData(nl.NewRtAttr(nl.IPSET_ATTR_PROTOCOL, nl.Uint8Attr(nl.IPSET_PROTOCOL)))
return req
}
func getIpsetDefaultWithTypeName(typename string) uint8 {
switch typename {
case "hash:ip,port",
"hash:ip,port,ip",
"hash:ip,port,net",
"hash:net,port":
return 1
}
return 0
}
func ipsetExecute(req *nl.NetlinkRequest) (msgs [][]byte, err error) {
msgs, err = req.Execute(unix.NETLINK_NETFILTER, 0)
if err != nil {
if errno := int(err.(syscall.Errno)); errno >= nl.IPSET_ERR_PRIVATE {
err = nl.IPSetError(uintptr(errno))
}
}
return
}
func ipsetUnserialize(msgs [][]byte) (result IPSetResult) {
for _, msg := range msgs {
result.unserialize(msg)
}
return result
}
func (result *IPSetResult) unserialize(msg []byte) {
result.Nfgenmsg = nl.DeserializeNfgenmsg(msg)
for attr := range nl.ParseAttributes(msg[4:]) {
switch attr.Type {
case nl.IPSET_ATTR_PROTOCOL:
result.Protocol = attr.Value[0]
case nl.IPSET_ATTR_SETNAME:
result.SetName = nl.BytesToString(attr.Value)
case nl.IPSET_ATTR_COMMENT:
result.Comment = nl.BytesToString(attr.Value)
case nl.IPSET_ATTR_TYPENAME:
result.TypeName = nl.BytesToString(attr.Value)
case nl.IPSET_ATTR_REVISION:
result.Revision = attr.Value[0]
case nl.IPSET_ATTR_FAMILY:
result.Family = attr.Value[0]
case nl.IPSET_ATTR_FLAGS:
result.Flags = attr.Value[0]
case nl.IPSET_ATTR_DATA | nl.NLA_F_NESTED:
result.parseAttrData(attr.Value)
case nl.IPSET_ATTR_ADT | nl.NLA_F_NESTED:
result.parseAttrADT(attr.Value)
case nl.IPSET_ATTR_PROTOCOL_MIN:
result.ProtocolMinVersion = attr.Value[0]
case nl.IPSET_ATTR_MARKMASK:
result.MarkMask = attr.Uint32()
default:
log.Printf("unknown ipset attribute from kernel: %+v %v", attr, attr.Type&nl.NLA_TYPE_MASK)
}
}
}
func (result *IPSetResult) parseAttrData(data []byte) {
for attr := range nl.ParseAttributes(data) {
switch attr.Type {
case nl.IPSET_ATTR_HASHSIZE | nl.NLA_F_NET_BYTEORDER:
result.HashSize = attr.Uint32()
case nl.IPSET_ATTR_MAXELEM | nl.NLA_F_NET_BYTEORDER:
result.MaxElements = attr.Uint32()
case nl.IPSET_ATTR_TIMEOUT | nl.NLA_F_NET_BYTEORDER:
val := attr.Uint32()
result.Timeout = &val
case nl.IPSET_ATTR_ELEMENTS | nl.NLA_F_NET_BYTEORDER:
result.NumEntries = attr.Uint32()
case nl.IPSET_ATTR_REFERENCES | nl.NLA_F_NET_BYTEORDER:
result.References = attr.Uint32()
case nl.IPSET_ATTR_MEMSIZE | nl.NLA_F_NET_BYTEORDER:
result.SizeInMemory = attr.Uint32()
case nl.IPSET_ATTR_CADT_FLAGS | nl.NLA_F_NET_BYTEORDER:
result.CadtFlags = attr.Uint32()
case nl.IPSET_ATTR_IP | nl.NLA_F_NESTED:
for nested := range nl.ParseAttributes(attr.Value) {
switch nested.Type {
case nl.IPSET_ATTR_IP | nl.NLA_F_NET_BYTEORDER:
result.Entries = append(result.Entries, IPSetEntry{IP: nested.Value})
case nl.IPSET_ATTR_IP:
result.IPFrom = nested.Value
default:
log.Printf("unknown nested ipset data attribute from kernel: %+v %v", nested, nested.Type&nl.NLA_TYPE_MASK)
}
}
case nl.IPSET_ATTR_IP_TO | nl.NLA_F_NESTED:
for nested := range nl.ParseAttributes(attr.Value) {
switch nested.Type {
case nl.IPSET_ATTR_IP:
result.IPTo = nested.Value
default:
log.Printf("unknown nested ipset data attribute from kernel: %+v %v", nested, nested.Type&nl.NLA_TYPE_MASK)
}
}
case nl.IPSET_ATTR_PORT_FROM | nl.NLA_F_NET_BYTEORDER:
result.PortFrom = networkOrder.Uint16(attr.Value)
case nl.IPSET_ATTR_PORT_TO | nl.NLA_F_NET_BYTEORDER:
result.PortTo = networkOrder.Uint16(attr.Value)
case nl.IPSET_ATTR_CADT_LINENO | nl.NLA_F_NET_BYTEORDER:
result.LineNo = attr.Uint32()
case nl.IPSET_ATTR_COMMENT:
result.Comment = nl.BytesToString(attr.Value)
case nl.IPSET_ATTR_MARKMASK:
result.MarkMask = attr.Uint32()
default:
log.Printf("unknown ipset data attribute from kernel: %+v %v", attr, attr.Type&nl.NLA_TYPE_MASK)
}
}
}
func (result *IPSetResult) parseAttrADT(data []byte) {
for attr := range nl.ParseAttributes(data) {
switch attr.Type {
case nl.IPSET_ATTR_DATA | nl.NLA_F_NESTED:
result.Entries = append(result.Entries, parseIPSetEntry(attr.Value))
default:
log.Printf("unknown ADT attribute from kernel: %+v %v", attr, attr.Type&nl.NLA_TYPE_MASK)
}
}
}
func parseIPSetEntry(data []byte) (entry IPSetEntry) {
for attr := range nl.ParseAttributes(data) {
switch attr.Type {
case nl.IPSET_ATTR_TIMEOUT | nl.NLA_F_NET_BYTEORDER:
val := attr.Uint32()
entry.Timeout = &val
case nl.IPSET_ATTR_BYTES | nl.NLA_F_NET_BYTEORDER:
val := attr.Uint64()
entry.Bytes = &val
case nl.IPSET_ATTR_PACKETS | nl.NLA_F_NET_BYTEORDER:
val := attr.Uint64()
entry.Packets = &val
case nl.IPSET_ATTR_ETHER:
entry.MAC = net.HardwareAddr(attr.Value)
case nl.IPSET_ATTR_IP:
entry.IP = net.IP(attr.Value)
case nl.IPSET_ATTR_COMMENT:
entry.Comment = nl.BytesToString(attr.Value)
case nl.IPSET_ATTR_IP | nl.NLA_F_NESTED:
for attr := range nl.ParseAttributes(attr.Value) {
switch attr.Type {
case nl.IPSET_ATTR_IP:
entry.IP = net.IP(attr.Value)
default:
log.Printf("unknown nested ADT attribute from kernel: %+v", attr)
}
}
case nl.IPSET_ATTR_IP2 | nl.NLA_F_NESTED:
for attr := range nl.ParseAttributes(attr.Value) {
switch attr.Type {
case nl.IPSET_ATTR_IP:
entry.IP2 = net.IP(attr.Value)
default:
log.Printf("unknown nested ADT attribute from kernel: %+v", attr)
}
}
case nl.IPSET_ATTR_CIDR:
entry.CIDR = attr.Value[0]
case nl.IPSET_ATTR_CIDR2:
entry.CIDR2 = attr.Value[0]
case nl.IPSET_ATTR_PORT | nl.NLA_F_NET_BYTEORDER:
val := networkOrder.Uint16(attr.Value)
entry.Port = &val
case nl.IPSET_ATTR_PROTO:
val := attr.Value[0]
entry.Protocol = &val
case nl.IPSET_ATTR_IFACE:
entry.IFace = nl.BytesToString(attr.Value)
case nl.IPSET_ATTR_MARK | nl.NLA_F_NET_BYTEORDER:
val := attr.Uint32()
entry.Mark = &val
default:
log.Printf("unknown ADT attribute from kernel: %+v", attr)
}
}
return
}

319
vendor/github.com/vishvananda/netlink/link.go generated vendored
View file

@ -35,10 +35,13 @@ type LinkAttrs struct {
Alias string
Statistics *LinkStatistics
Promisc int
Allmulti int
Multi int
Xdp *LinkXdp
EncapType string
Protinfo *Protinfo
OperState LinkOperState
PhysSwitchID int
NetNsID int
NumTxQueues int
NumRxQueues int
@ -65,6 +68,17 @@ type VfInfo struct {
LinkState uint32
MaxTxRate uint32 // IFLA_VF_RATE Max TxRate
MinTxRate uint32 // IFLA_VF_RATE Min TxRate
RxPackets uint64
TxPackets uint64
RxBytes uint64
TxBytes uint64
Multicast uint64
Broadcast uint64
RxDropped uint64
TxDropped uint64
RssQuery uint32
Trust uint32
}
// LinkOperState represents the values of the IFLA_OPERSTATE link
@ -103,7 +117,8 @@ func (s LinkOperState) String() string {
// NewLinkAttrs returns LinkAttrs structure filled with default values
func NewLinkAttrs() LinkAttrs {
return LinkAttrs{
TxQLen: -1,
NetNsID: -1,
TxQLen: -1,
}
}
@ -196,10 +211,11 @@ type LinkStatistics64 struct {
}
type LinkXdp struct {
Fd int
Attached bool
Flags uint32
ProgId uint32
Fd int
Attached bool
AttachMode uint32
Flags uint32
ProgId uint32
}
// Device links cannot be created via netlink. These links
@ -246,6 +262,7 @@ func (ifb *Ifb) Type() string {
type Bridge struct {
LinkAttrs
MulticastSnooping *bool
AgeingTime *uint32
HelloTime *uint32
VlanFiltering *bool
}
@ -338,6 +355,7 @@ type Veth struct {
LinkAttrs
PeerName string // veth on create only
PeerHardwareAddr net.HardwareAddr
PeerNamespace interface{}
}
func (veth *Veth) Attrs() *LinkAttrs {
@ -348,6 +366,19 @@ func (veth *Veth) Type() string {
return "veth"
}
// Wireguard represent links of type "wireguard", see https://www.wireguard.com/
type Wireguard struct {
LinkAttrs
}
func (wg *Wireguard) Attrs() *LinkAttrs {
return &wg.LinkAttrs
}
func (wg *Wireguard) Type() string {
return "wireguard"
}
// GenericLink links represent types that are not currently understood
// by this netlink library.
type GenericLink struct {
@ -428,6 +459,19 @@ func (ipvlan *IPVlan) Type() string {
return "ipvlan"
}
// IPVtap - IPVtap is a virtual interfaces based on ipvlan
type IPVtap struct {
IPVlan
}
func (ipvtap *IPVtap) Attrs() *LinkAttrs {
return &ipvtap.LinkAttrs
}
func (ipvtap IPVtap) Type() string {
return "ipvtap"
}
// VlanProtocol type
type VlanProtocol int
@ -527,6 +571,27 @@ const (
BOND_ARP_VALIDATE_ALL
)
var bondArpValidateToString = map[BondArpValidate]string{
BOND_ARP_VALIDATE_NONE: "none",
BOND_ARP_VALIDATE_ACTIVE: "active",
BOND_ARP_VALIDATE_BACKUP: "backup",
BOND_ARP_VALIDATE_ALL: "none",
}
var StringToBondArpValidateMap = map[string]BondArpValidate{
"none": BOND_ARP_VALIDATE_NONE,
"active": BOND_ARP_VALIDATE_ACTIVE,
"backup": BOND_ARP_VALIDATE_BACKUP,
"all": BOND_ARP_VALIDATE_ALL,
}
func (b BondArpValidate) String() string {
s, ok := bondArpValidateToString[b]
if !ok {
return fmt.Sprintf("BondArpValidate(%d)", b)
}
return s
}
// BondPrimaryReselect type
type BondPrimaryReselect int
@ -537,6 +602,25 @@ const (
BOND_PRIMARY_RESELECT_FAILURE
)
var bondPrimaryReselectToString = map[BondPrimaryReselect]string{
BOND_PRIMARY_RESELECT_ALWAYS: "always",
BOND_PRIMARY_RESELECT_BETTER: "better",
BOND_PRIMARY_RESELECT_FAILURE: "failure",
}
var StringToBondPrimaryReselectMap = map[string]BondPrimaryReselect{
"always": BOND_PRIMARY_RESELECT_ALWAYS,
"better": BOND_PRIMARY_RESELECT_BETTER,
"failure": BOND_PRIMARY_RESELECT_FAILURE,
}
func (b BondPrimaryReselect) String() string {
s, ok := bondPrimaryReselectToString[b]
if !ok {
return fmt.Sprintf("BondPrimaryReselect(%d)", b)
}
return s
}
// BondArpAllTargets type
type BondArpAllTargets int
@ -546,6 +630,23 @@ const (
BOND_ARP_ALL_TARGETS_ALL
)
var bondArpAllTargetsToString = map[BondArpAllTargets]string{
BOND_ARP_ALL_TARGETS_ANY: "any",
BOND_ARP_ALL_TARGETS_ALL: "all",
}
var StringToBondArpAllTargetsMap = map[string]BondArpAllTargets{
"any": BOND_ARP_ALL_TARGETS_ANY,
"all": BOND_ARP_ALL_TARGETS_ALL,
}
func (b BondArpAllTargets) String() string {
s, ok := bondArpAllTargetsToString[b]
if !ok {
return fmt.Sprintf("BondArpAllTargets(%d)", b)
}
return s
}
// BondFailOverMac type
type BondFailOverMac int
@ -556,6 +657,25 @@ const (
BOND_FAIL_OVER_MAC_FOLLOW
)
var bondFailOverMacToString = map[BondFailOverMac]string{
BOND_FAIL_OVER_MAC_NONE: "none",
BOND_FAIL_OVER_MAC_ACTIVE: "active",
BOND_FAIL_OVER_MAC_FOLLOW: "follow",
}
var StringToBondFailOverMacMap = map[string]BondFailOverMac{
"none": BOND_FAIL_OVER_MAC_NONE,
"active": BOND_FAIL_OVER_MAC_ACTIVE,
"follow": BOND_FAIL_OVER_MAC_FOLLOW,
}
func (b BondFailOverMac) String() string {
s, ok := bondFailOverMacToString[b]
if !ok {
return fmt.Sprintf("BondFailOverMac(%d)", b)
}
return s
}
// BondXmitHashPolicy type
type BondXmitHashPolicy int
@ -647,6 +767,25 @@ const (
BOND_AD_SELECT_COUNT
)
var bondAdSelectToString = map[BondAdSelect]string{
BOND_AD_SELECT_STABLE: "stable",
BOND_AD_SELECT_BANDWIDTH: "bandwidth",
BOND_AD_SELECT_COUNT: "count",
}
var StringToBondAdSelectMap = map[string]BondAdSelect{
"stable": BOND_AD_SELECT_STABLE,
"bandwidth": BOND_AD_SELECT_BANDWIDTH,
"count": BOND_AD_SELECT_COUNT,
}
func (b BondAdSelect) String() string {
s, ok := bondAdSelectToString[b]
if !ok {
return fmt.Sprintf("BondAdSelect(%d)", b)
}
return s
}
// BondAdInfo represents ad info for bond
type BondAdInfo struct {
AggregatorId int
@ -678,7 +817,7 @@ type Bond struct {
AllSlavesActive int
MinLinks int
LpInterval int
PackersPerSlave int
PacketsPerSlave int
LacpRate BondLacpRate
AdSelect BondAdSelect
// looking at iproute tool AdInfo can only be retrived. It can't be set.
@ -711,7 +850,7 @@ func NewLinkBond(atr LinkAttrs) *Bond {
AllSlavesActive: -1,
MinLinks: -1,
LpInterval: -1,
PackersPerSlave: -1,
PacketsPerSlave: -1,
LacpRate: -1,
AdSelect: -1,
AdActorSysPrio: -1,
@ -761,8 +900,10 @@ func (bond *Bond) Type() string {
type BondSlaveState uint8
const (
BondStateActive = iota // Link is active.
BondStateBackup // Link is backup.
//BondStateActive Link is active.
BondStateActive BondSlaveState = iota
//BondStateBackup Link is backup.
BondStateBackup
)
func (s BondSlaveState) String() string {
@ -776,15 +917,19 @@ func (s BondSlaveState) String() string {
}
}
// BondSlaveState represents the values of the IFLA_BOND_SLAVE_MII_STATUS bond slave
// BondSlaveMiiStatus represents the values of the IFLA_BOND_SLAVE_MII_STATUS bond slave
// attribute, which contains the status of MII link monitoring
type BondSlaveMiiStatus uint8
const (
BondLinkUp = iota // link is up and running.
BondLinkFail // link has just gone down.
BondLinkDown // link has been down for too long time.
BondLinkBack // link is going back.
//BondLinkUp link is up and running.
BondLinkUp BondSlaveMiiStatus = iota
//BondLinkFail link has just gone down.
BondLinkFail
//BondLinkDown link has been down for too long time.
BondLinkDown
//BondLinkBack link is going back.
BondLinkBack
)
func (s BondSlaveMiiStatus) String() string {
@ -817,6 +962,38 @@ func (b *BondSlave) SlaveType() string {
return "bond"
}
type VrfSlave struct {
Table uint32
}
func (v *VrfSlave) SlaveType() string {
return "vrf"
}
// Geneve devices must specify RemoteIP and ID (VNI) on create
// https://github.com/torvalds/linux/blob/47ec5303d73ea344e84f46660fff693c57641386/drivers/net/geneve.c#L1209-L1223
type Geneve struct {
LinkAttrs
ID uint32 // vni
Remote net.IP
Ttl uint8
Tos uint8
Dport uint16
UdpCsum uint8
UdpZeroCsum6Tx uint8
UdpZeroCsum6Rx uint8
Link uint32
FlowBased bool
}
func (geneve *Geneve) Attrs() *LinkAttrs {
return &geneve.LinkAttrs
}
func (geneve *Geneve) Type() string {
return "geneve"
}
// Gretap devices must specify LocalIP and RemoteIP on create
type Gretap struct {
LinkAttrs
@ -861,6 +1038,7 @@ type Iptun struct {
EncapType uint16
EncapFlags uint16
FlowBased bool
Proto uint8
}
func (iptun *Iptun) Attrs() *LinkAttrs {
@ -878,10 +1056,14 @@ type Ip6tnl struct {
Remote net.IP
Ttl uint8
Tos uint8
EncapLimit uint8
Flags uint32
Proto uint8
FlowInfo uint32
EncapLimit uint8
EncapType uint16
EncapFlags uint16
EncapSport uint16
EncapDport uint16
}
func (ip6tnl *Ip6tnl) Attrs() *LinkAttrs {
@ -892,14 +1074,47 @@ func (ip6tnl *Ip6tnl) Type() string {
return "ip6tnl"
}
// from https://elixir.bootlin.com/linux/v5.15.4/source/include/uapi/linux/if_tunnel.h#L84
type TunnelEncapType uint16
const (
None TunnelEncapType = iota
FOU
GUE
)
// from https://elixir.bootlin.com/linux/v5.15.4/source/include/uapi/linux/if_tunnel.h#L91
type TunnelEncapFlag uint16
const (
CSum TunnelEncapFlag = 1 << 0
CSum6 = 1 << 1
RemCSum = 1 << 2
)
// from https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/ip6_tunnel.h#L12
type IP6TunnelFlag uint16
const (
IP6_TNL_F_IGN_ENCAP_LIMIT IP6TunnelFlag = 1 // don't add encapsulation limit if one isn't present in inner packet
IP6_TNL_F_USE_ORIG_TCLASS = 2 // copy the traffic class field from the inner packet
IP6_TNL_F_USE_ORIG_FLOWLABEL = 4 // copy the flowlabel from the inner packet
IP6_TNL_F_MIP6_DEV = 8 // being used for Mobile IPv6
IP6_TNL_F_RCV_DSCP_COPY = 10 // copy DSCP from the outer packet
IP6_TNL_F_USE_ORIG_FWMARK = 20 // copy fwmark from inner packet
IP6_TNL_F_ALLOW_LOCAL_REMOTE = 40 // allow remote endpoint on the local node
)
type Sittun struct {
LinkAttrs
Link uint32
Local net.IP
Remote net.IP
Ttl uint8
Tos uint8
PMtuDisc uint8
Proto uint8
Local net.IP
Remote net.IP
EncapLimit uint8
EncapType uint16
EncapFlags uint16
EncapSport uint16
@ -1034,6 +1249,58 @@ var StringToIPoIBMode = map[string]IPoIBMode{
"connected": IPOIB_MODE_CONNECTED,
}
const (
CAN_STATE_ERROR_ACTIVE = iota
CAN_STATE_ERROR_WARNING
CAN_STATE_ERROR_PASSIVE
CAN_STATE_BUS_OFF
CAN_STATE_STOPPED
CAN_STATE_SLEEPING
)
type Can struct {
LinkAttrs
BitRate uint32
SamplePoint uint32
TimeQuanta uint32
PropagationSegment uint32
PhaseSegment1 uint32
PhaseSegment2 uint32
SyncJumpWidth uint32
BitRatePreScaler uint32
Name string
TimeSegment1Min uint32
TimeSegment1Max uint32
TimeSegment2Min uint32
TimeSegment2Max uint32
SyncJumpWidthMax uint32
BitRatePreScalerMin uint32
BitRatePreScalerMax uint32
BitRatePreScalerInc uint32
ClockFrequency uint32
State uint32
Mask uint32
Flags uint32
TxError uint16
RxError uint16
RestartMs uint32
}
func (can *Can) Attrs() *LinkAttrs {
return &can.LinkAttrs
}
func (can *Can) Type() string {
return "can"
}
type IPoIB struct {
LinkAttrs
Pkey uint16
@ -1049,11 +1316,27 @@ func (ipoib *IPoIB) Type() string {
return "ipoib"
}
type BareUDP struct {
LinkAttrs
Port uint16
EtherType uint16
SrcPortMin uint16
MultiProto bool
}
func (bareudp *BareUDP) Attrs() *LinkAttrs {
return &bareudp.LinkAttrs
}
func (bareudp *BareUDP) Type() string {
return "bareudp"
}
// iproute2 supported devices;
// vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
// bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |
// gre | gretap | ip6gre | ip6gretap | vti | vti6 | nlmon |
// bond_slave | ipvlan | xfrm
// bond_slave | ipvlan | xfrm | bareudp
// LinkNotFoundError wraps the various not found errors when
// getting/reading links. This is intended for better error

519
vendor/github.com/vishvananda/netlink/link_linux.go generated vendored
View file

@ -34,14 +34,27 @@ const (
TUNTAP_MULTI_QUEUE_DEFAULTS TuntapFlag = TUNTAP_MULTI_QUEUE | TUNTAP_NO_PI
)
var StringToTuntapModeMap = map[string]TuntapMode{
"tun": TUNTAP_MODE_TUN,
"tap": TUNTAP_MODE_TAP,
}
func (ttm TuntapMode) String() string {
switch ttm {
case TUNTAP_MODE_TUN:
return "tun"
case TUNTAP_MODE_TAP:
return "tap"
}
return "unknown"
}
const (
VF_LINK_STATE_AUTO uint32 = 0
VF_LINK_STATE_ENABLE uint32 = 1
VF_LINK_STATE_DISABLE uint32 = 2
)
var lookupByDump = false
var macvlanModes = [...]uint32{
0,
nl.MACVLAN_MODE_PRIVATE,
@ -138,7 +151,6 @@ func (h *Handle) LinkSetAllmulticastOn(link Link) error {
msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
msg.Change = unix.IFF_ALLMULTI
msg.Flags = unix.IFF_ALLMULTI
msg.Index = int32(base.Index)
req.AddData(msg)
@ -168,6 +180,51 @@ func (h *Handle) LinkSetAllmulticastOff(link Link) error {
return err
}
// LinkSetMulticastOn enables the reception of multicast packets for the link device.
// Equivalent to: `ip link set $link multicast on`
func LinkSetMulticastOn(link Link) error {
return pkgHandle.LinkSetMulticastOn(link)
}
// LinkSetMulticastOn enables the reception of multicast packets for the link device.
// Equivalent to: `ip link set $link multicast on`
func (h *Handle) LinkSetMulticastOn(link Link) error {
base := link.Attrs()
h.ensureIndex(base)
req := h.newNetlinkRequest(unix.RTM_NEWLINK, unix.NLM_F_ACK)
msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
msg.Change = unix.IFF_MULTICAST
msg.Flags = unix.IFF_MULTICAST
msg.Index = int32(base.Index)
req.AddData(msg)
_, err := req.Execute(unix.NETLINK_ROUTE, 0)
return err
}
// LinkSetAllmulticastOff disables the reception of multicast packets for the link device.
// Equivalent to: `ip link set $link multicast off`
func LinkSetMulticastOff(link Link) error {
return pkgHandle.LinkSetMulticastOff(link)
}
// LinkSetAllmulticastOff disables the reception of multicast packets for the link device.
// Equivalent to: `ip link set $link multicast off`
func (h *Handle) LinkSetMulticastOff(link Link) error {
base := link.Attrs()
h.ensureIndex(base)
req := h.newNetlinkRequest(unix.RTM_NEWLINK, unix.NLM_F_ACK)
msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
msg.Change = unix.IFF_MULTICAST
msg.Index = int32(base.Index)
req.AddData(msg)
_, err := req.Execute(unix.NETLINK_ROUTE, 0)
return err
}
func MacvlanMACAddrAdd(link Link, addr net.HardwareAddr) error {
return pkgHandle.MacvlanMACAddrAdd(link, addr)
}
@ -237,6 +294,37 @@ func (h *Handle) macvlanMACAddrChange(link Link, addrs []net.HardwareAddr, mode
return err
}
// LinkSetMacvlanMode sets the mode of a macvlan or macvtap link device.
// Note that passthrough mode cannot be set to and from and will fail.
// Equivalent to: `ip link set $link type (macvlan|macvtap) mode $mode
func LinkSetMacvlanMode(link Link, mode MacvlanMode) error {
return pkgHandle.LinkSetMacvlanMode(link, mode)
}
// LinkSetMacvlanMode sets the mode of the macvlan or macvtap link device.
// Note that passthrough mode cannot be set to and from and will fail.
// Equivalent to: `ip link set $link type (macvlan|macvtap) mode $mode
func (h *Handle) LinkSetMacvlanMode(link Link, mode MacvlanMode) error {
base := link.Attrs()
h.ensureIndex(base)
req := h.newNetlinkRequest(unix.RTM_NEWLINK, unix.NLM_F_ACK)
msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
msg.Index = int32(base.Index)
req.AddData(msg)
linkInfo := nl.NewRtAttr(unix.IFLA_LINKINFO, nil)
linkInfo.AddRtAttr(nl.IFLA_INFO_KIND, nl.NonZeroTerminated(link.Type()))
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_MACVLAN_MODE, nl.Uint32Attr(macvlanModes[mode]))
req.AddData(linkInfo)
_, err := req.Execute(unix.NETLINK_ROUTE, 0)
return err
}
func BridgeSetMcastSnoop(link Link, on bool) error {
return pkgHandle.BridgeSetMcastSnoop(link, on)
}
@ -247,6 +335,16 @@ func (h *Handle) BridgeSetMcastSnoop(link Link, on bool) error {
return h.linkModify(bridge, unix.NLM_F_ACK)
}
func BridgeSetVlanFiltering(link Link, on bool) error {
return pkgHandle.BridgeSetVlanFiltering(link, on)
}
func (h *Handle) BridgeSetVlanFiltering(link Link, on bool) error {
bridge := link.(*Bridge)
bridge.VlanFiltering = &on
return h.linkModify(bridge, unix.NLM_F_ACK)
}
func SetPromiscOn(link Link) error {
return pkgHandle.SetPromiscOn(link)
}
@ -491,13 +589,13 @@ func (h *Handle) LinkSetVfVlanQos(link Link, vf, vlan, qos int) error {
req.AddData(msg)
data := nl.NewRtAttr(unix.IFLA_VFINFO_LIST, nil)
info := nl.NewRtAttrChild(data, nl.IFLA_VF_INFO, nil)
info := data.AddRtAttr(nl.IFLA_VF_INFO, nil)
vfmsg := nl.VfVlan{
Vf: uint32(vf),
Vlan: uint32(vlan),
Qos: uint32(qos),
}
nl.NewRtAttrChild(info, nl.IFLA_VF_VLAN, vfmsg.Serialize())
info.AddRtAttr(nl.IFLA_VF_VLAN, vfmsg.Serialize())
req.AddData(data)
_, err := req.Execute(unix.NETLINK_ROUTE, 0)
@ -1005,8 +1103,8 @@ func addBondAttrs(bond *Bond, linkInfo *nl.RtAttr) {
if bond.LpInterval >= 0 {
data.AddRtAttr(nl.IFLA_BOND_LP_INTERVAL, nl.Uint32Attr(uint32(bond.LpInterval)))
}
if bond.PackersPerSlave >= 0 {
data.AddRtAttr(nl.IFLA_BOND_PACKETS_PER_SLAVE, nl.Uint32Attr(uint32(bond.PackersPerSlave)))
if bond.PacketsPerSlave >= 0 {
data.AddRtAttr(nl.IFLA_BOND_PACKETS_PER_SLAVE, nl.Uint32Attr(uint32(bond.PacketsPerSlave)))
}
if bond.LacpRate >= 0 {
data.AddRtAttr(nl.IFLA_BOND_AD_LACP_RATE, nl.Uint8Attr(uint8(bond.LacpRate)))
@ -1048,6 +1146,14 @@ func (h *Handle) LinkAdd(link Link) error {
return h.linkModify(link, unix.NLM_F_CREATE|unix.NLM_F_EXCL|unix.NLM_F_ACK)
}
func LinkModify(link Link) error {
return pkgHandle.LinkModify(link)
}
func (h *Handle) LinkModify(link Link) error {
return h.linkModify(link, unix.NLM_F_REQUEST|unix.NLM_F_ACK)
}
func (h *Handle) linkModify(link Link, flags int) error {
// TODO: support extra data for macvlan
base := link.Attrs()
@ -1060,8 +1166,6 @@ func (h *Handle) linkModify(link Link, flags int) error {
}
if isTuntap {
// TODO: support user
// TODO: support group
if tuntap.Mode < unix.IFF_TUN || tuntap.Mode > unix.IFF_TAP {
return fmt.Errorf("Tuntap.Mode %v unknown", tuntap.Mode)
}
@ -1089,21 +1193,64 @@ func (h *Handle) linkModify(link Link, flags int) error {
}
req.Flags |= uint16(tuntap.Mode)
const TUN = "/dev/net/tun"
for i := 0; i < queues; i++ {
localReq := req
file, err := os.OpenFile("/dev/net/tun", os.O_RDWR, 0)
fd, err := unix.Open(TUN, os.O_RDWR|syscall.O_CLOEXEC, 0)
if err != nil {
cleanupFds(fds)
return err
}
fds = append(fds, file)
_, _, errno := unix.Syscall(unix.SYS_IOCTL, file.Fd(), uintptr(unix.TUNSETIFF), uintptr(unsafe.Pointer(&localReq)))
_, _, errno := unix.Syscall(unix.SYS_IOCTL, uintptr(fd), uintptr(unix.TUNSETIFF), uintptr(unsafe.Pointer(&localReq)))
if errno != 0 {
// close the new fd
unix.Close(fd)
// and the already opened ones
cleanupFds(fds)
return fmt.Errorf("Tuntap IOCTL TUNSETIFF failed [%d], errno %v", i, errno)
}
_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.TUNSETOWNER, uintptr(tuntap.Owner))
if errno != 0 {
cleanupFds(fds)
return fmt.Errorf("Tuntap IOCTL TUNSETOWNER failed [%d], errno %v", i, errno)
}
_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), syscall.TUNSETGROUP, uintptr(tuntap.Group))
if errno != 0 {
cleanupFds(fds)
return fmt.Errorf("Tuntap IOCTL TUNSETGROUP failed [%d], errno %v", i, errno)
}
// Set the tun device to non-blocking before use. The below comment
// taken from:
//
// https://github.com/mistsys/tuntap/commit/161418c25003bbee77d085a34af64d189df62bea
//
// Note there is a complication because in go, if a device node is
// opened, go sets it to use nonblocking I/O. However a /dev/net/tun
// doesn't work with epoll until after the TUNSETIFF ioctl has been
// done. So we open the unix fd directly, do the ioctl, then put the
// fd in nonblocking mode, an then finally wrap it in a os.File,
// which will see the nonblocking mode and add the fd to the
// pollable set, so later on when we Read() from it blocked the
// calling thread in the kernel.
//
// See
// https://github.com/golang/go/issues/30426
// which got exposed in go 1.13 by the fix to
// https://github.com/golang/go/issues/30624
err = unix.SetNonblock(fd, true)
if err != nil {
cleanupFds(fds)
return fmt.Errorf("Tuntap set to non-blocking failed [%d], err %v", i, err)
}
// create the file from the file descriptor and store it
file := os.NewFile(uintptr(fd), TUN)
fds = append(fds, file)
// 1) we only care for the name of the first tap in the multi queue set
// 2) if the original name was empty, the localReq has now the actual name
//
@ -1114,11 +1261,29 @@ func (h *Handle) linkModify(link Link, flags int) error {
if i == 0 {
link.Attrs().Name = strings.Trim(string(localReq.Name[:]), "\x00")
}
}
control := func(file *os.File, f func(fd uintptr)) error {
name := file.Name()
conn, err := file.SyscallConn()
if err != nil {
return fmt.Errorf("SyscallConn() failed on %s: %v", name, err)
}
if err := conn.Control(f); err != nil {
return fmt.Errorf("Failed to get file descriptor for %s: %v", name, err)
}
return nil
}
// only persist interface if NonPersist is NOT set
if !tuntap.NonPersist {
_, _, errno := unix.Syscall(unix.SYS_IOCTL, fds[0].Fd(), uintptr(unix.TUNSETPERSIST), 1)
var errno syscall.Errno
if err := control(fds[0], func(fd uintptr) {
_, _, errno = unix.Syscall(unix.SYS_IOCTL, fd, uintptr(unix.TUNSETPERSIST), 1)
}); err != nil {
return err
}
if errno != 0 {
cleanupFds(fds)
return fmt.Errorf("Tuntap IOCTL TUNSETPERSIST failed, errno %v", errno)
@ -1135,7 +1300,10 @@ func (h *Handle) linkModify(link Link, flags int) error {
// un-persist (e.g. allow the interface to be removed) the tuntap
// should not hurt if not set prior, condition might be not needed
if !tuntap.NonPersist {
_, _, _ = unix.Syscall(unix.SYS_IOCTL, fds[0].Fd(), uintptr(unix.TUNSETPERSIST), 0)
// ignore error
_ = control(fds[0], func(fd uintptr) {
_, _, _ = unix.Syscall(unix.SYS_IOCTL, fd, uintptr(unix.TUNSETPERSIST), 0)
})
}
cleanupFds(fds)
return err
@ -1193,6 +1361,11 @@ func (h *Handle) linkModify(link Link, flags int) error {
nameData := nl.NewRtAttr(unix.IFLA_IFNAME, nl.ZeroTerminated(base.Name))
req.AddData(nameData)
if base.Alias != "" {
alias := nl.NewRtAttr(unix.IFLA_IFALIAS, []byte(base.Alias))
req.AddData(alias)
}
if base.MTU > 0 {
mtu := nl.NewRtAttr(unix.IFLA_MTU, nl.Uint32Attr(uint32(base.MTU)))
req.AddData(mtu)
@ -1272,12 +1445,28 @@ func (h *Handle) linkModify(link Link, flags int) error {
if base.TxQLen >= 0 {
peer.AddRtAttr(unix.IFLA_TXQLEN, nl.Uint32Attr(uint32(base.TxQLen)))
}
if base.NumTxQueues > 0 {
peer.AddRtAttr(unix.IFLA_NUM_TX_QUEUES, nl.Uint32Attr(uint32(base.NumTxQueues)))
}
if base.NumRxQueues > 0 {
peer.AddRtAttr(unix.IFLA_NUM_RX_QUEUES, nl.Uint32Attr(uint32(base.NumRxQueues)))
}
if base.MTU > 0 {
peer.AddRtAttr(unix.IFLA_MTU, nl.Uint32Attr(uint32(base.MTU)))
}
if link.PeerHardwareAddr != nil {
peer.AddRtAttr(unix.IFLA_ADDRESS, []byte(link.PeerHardwareAddr))
}
if link.PeerNamespace != nil {
switch ns := link.PeerNamespace.(type) {
case NsPid:
val := nl.Uint32Attr(uint32(ns))
peer.AddRtAttr(unix.IFLA_NET_NS_PID, val)
case NsFd:
val := nl.Uint32Attr(uint32(ns))
peer.AddRtAttr(unix.IFLA_NET_NS_FD, val)
}
}
case *Vxlan:
addVxlanAttrs(link, linkInfo)
case *Bond:
@ -1286,6 +1475,10 @@ func (h *Handle) linkModify(link Link, flags int) error {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_IPVLAN_MODE, nl.Uint16Attr(uint16(link.Mode)))
data.AddRtAttr(nl.IFLA_IPVLAN_FLAG, nl.Uint16Attr(uint16(link.Flag)))
case *IPVtap:
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_IPVLAN_MODE, nl.Uint16Attr(uint16(link.Mode)))
data.AddRtAttr(nl.IFLA_IPVLAN_FLAG, nl.Uint16Attr(uint16(link.Flag)))
case *Macvlan:
if link.Mode != MACVLAN_MODE_DEFAULT {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
@ -1296,6 +1489,8 @@ func (h *Handle) linkModify(link Link, flags int) error {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_MACVLAN_MODE, nl.Uint32Attr(macvlanModes[link.Mode]))
}
case *Geneve:
addGeneveAttrs(link, linkInfo)
case *Gretap:
addGretapAttrs(link, linkInfo)
case *Iptun:
@ -1318,6 +1513,8 @@ func (h *Handle) linkModify(link Link, flags int) error {
addXfrmiAttrs(link, linkInfo)
case *IPoIB:
addIPoIBAttrs(link, linkInfo)
case *BareUDP:
addBareUDPAttrs(link, linkInfo)
}
req.AddData(linkInfo)
@ -1499,7 +1696,7 @@ func execGetLink(req *nl.NetlinkRequest) (Link, error) {
}
}
// linkDeserialize deserializes a raw message received from netlink into
// LinkDeserialize deserializes a raw message received from netlink into
// a link object.
func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
msg := nl.DeserializeIfInfomsg(m)
@ -1509,10 +1706,22 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
return nil, err
}
base := LinkAttrs{Index: int(msg.Index), RawFlags: msg.Flags, Flags: linkFlags(msg.Flags), EncapType: msg.EncapType()}
base := NewLinkAttrs()
base.Index = int(msg.Index)
base.RawFlags = msg.Flags
base.Flags = linkFlags(msg.Flags)
base.EncapType = msg.EncapType()
base.NetNsID = -1
if msg.Flags&unix.IFF_PROMISC != 0 {
base.Promisc = 1
}
if msg.Flags&unix.IFF_ALLMULTI != 0 {
base.Allmulti = 1
}
if msg.Flags&unix.IFF_MULTICAST != 0 {
base.Multi = 1
}
var (
link Link
stats32 *LinkStatistics32
@ -1543,16 +1752,22 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
link = &Vlan{}
case "veth":
link = &Veth{}
case "wireguard":
link = &Wireguard{}
case "vxlan":
link = &Vxlan{}
case "bond":
link = &Bond{}
case "ipvlan":
link = &IPVlan{}
case "ipvtap":
link = &IPVtap{}
case "macvlan":
link = &Macvlan{}
case "macvtap":
link = &Macvtap{}
case "geneve":
link = &Geneve{}
case "gretap":
link = &Gretap{}
case "ip6gretap":
@ -1579,6 +1794,10 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
link = &Tuntap{}
case "ipoib":
link = &IPoIB{}
case "can":
link = &Can{}
case "bareudp":
link = &BareUDP{}
default:
link = &GenericLink{LinkType: linkType}
}
@ -1596,10 +1815,14 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
parseBondData(link, data)
case "ipvlan":
parseIPVlanData(link, data)
case "ipvtap":
parseIPVtapData(link, data)
case "macvlan":
parseMacvlanData(link, data)
case "macvtap":
parseMacvtapData(link, data)
case "geneve":
parseGeneveData(link, data)
case "gretap":
parseGretapData(link, data)
case "ip6gretap":
@ -1628,13 +1851,21 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
parseTuntapData(link, data)
case "ipoib":
parseIPoIBData(link, data)
case "can":
parseCanData(link, data)
case "bareudp":
parseBareUDPData(link, data)
}
case nl.IFLA_INFO_SLAVE_KIND:
slaveType = string(info.Value[:len(info.Value)-1])
switch slaveType {
case "bond":
linkSlave = &BondSlave{}
case "vrf":
linkSlave = &VrfSlave{}
}
case nl.IFLA_INFO_SLAVE_DATA:
switch slaveType {
case "bond":
@ -1643,6 +1874,12 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
return nil, err
}
parseBondSlaveData(linkSlave, data)
case "vrf":
data, err := nl.ParseRouteAttr(info.Value)
if err != nil {
return nil, err
}
parseVrfSlaveData(linkSlave, data)
}
}
}
@ -1696,6 +1933,8 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
}
case unix.IFLA_OPERSTATE:
base.OperState = LinkOperState(uint8(attr.Value[0]))
case unix.IFLA_PHYS_SWITCH_ID:
base.PhysSwitchID = int(native.Uint32(attr.Value[0:4]))
case unix.IFLA_LINK_NETNSID:
base.NetNsID = int(native.Uint32(attr.Value[0:4]))
case unix.IFLA_GSO_MAX_SIZE:
@ -1884,7 +2123,8 @@ func linkSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- LinkUpdate, done <-c
msgs, from, err := s.Receive()
if err != nil {
if cberr != nil {
cberr(err)
cberr(fmt.Errorf("Receive failed: %v",
err))
}
return
}
@ -1899,15 +2139,15 @@ func linkSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- LinkUpdate, done <-c
continue
}
if m.Header.Type == unix.NLMSG_ERROR {
native := nl.NativeEndian()
error := int32(native.Uint32(m.Data[0:4]))
if error == 0 {
continue
}
if cberr != nil {
cberr(syscall.Errno(-error))
cberr(fmt.Errorf("error message: %v",
syscall.Errno(-error)))
}
return
continue
}
ifmsg := nl.DeserializeIfInfomsg(m.Data)
header := unix.NlMsghdr(m.Header)
@ -1916,7 +2156,7 @@ func linkSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- LinkUpdate, done <-c
if cberr != nil {
cberr(err)
}
return
continue
}
ch <- LinkUpdate{IfInfomsg: *ifmsg, Header: header, Link: link}
}
@ -2080,6 +2320,13 @@ func parseVlanData(link Link, data []syscall.NetlinkRouteAttr) {
func parseVxlanData(link Link, data []syscall.NetlinkRouteAttr) {
vxlan := link.(*Vxlan)
for _, datum := range data {
// NOTE(vish): Apparently some messages can be sent with no value.
// We special case GBP here to not change existing
// functionality. It appears that GBP sends a datum.Value
// of null.
if len(datum.Value) == 0 && datum.Attr.Type != nl.IFLA_VXLAN_GBP {
continue
}
switch datum.Attr.Type {
case nl.IFLA_VXLAN_ID:
vxlan.VxlanId = int(native.Uint32(datum.Value[0:4]))
@ -2178,7 +2425,7 @@ func parseBondData(link Link, data []syscall.NetlinkRouteAttr) {
case nl.IFLA_BOND_LP_INTERVAL:
bond.LpInterval = int(native.Uint32(data[i].Value[0:4]))
case nl.IFLA_BOND_PACKETS_PER_SLAVE:
bond.PackersPerSlave = int(native.Uint32(data[i].Value[0:4]))
bond.PacketsPerSlave = int(native.Uint32(data[i].Value[0:4]))
case nl.IFLA_BOND_AD_LACP_RATE:
bond.LacpRate = BondLacpRate(data[i].Value[0])
case nl.IFLA_BOND_AD_SELECT:
@ -2258,6 +2505,16 @@ func parseBondSlaveData(slave LinkSlave, data []syscall.NetlinkRouteAttr) {
}
}
func parseVrfSlaveData(slave LinkSlave, data []syscall.NetlinkRouteAttr) {
vrfSlave := slave.(*VrfSlave)
for i := range data {
switch data[i].Attr.Type {
case nl.IFLA_BOND_SLAVE_STATE:
vrfSlave.Table = native.Uint32(data[i].Value[0:4])
}
}
}
func parseIPVlanData(link Link, data []syscall.NetlinkRouteAttr) {
ipv := link.(*IPVlan)
for _, datum := range data {
@ -2270,6 +2527,18 @@ func parseIPVlanData(link Link, data []syscall.NetlinkRouteAttr) {
}
}
func parseIPVtapData(link Link, data []syscall.NetlinkRouteAttr) {
ipv := link.(*IPVtap)
for _, datum := range data {
switch datum.Attr.Type {
case nl.IFLA_IPVLAN_MODE:
ipv.Mode = IPVlanMode(native.Uint32(datum.Value[0:4]))
case nl.IFLA_IPVLAN_FLAG:
ipv.Flag = IPVlanFlag(native.Uint32(datum.Value[0:4]))
}
}
}
func parseMacvtapData(link Link, data []syscall.NetlinkRouteAttr) {
macv := link.(*Macvtap)
parseMacvlanData(&macv.Macvlan, data)
@ -2327,6 +2596,58 @@ func linkFlags(rawFlags uint32) net.Flags {
return f
}
func addGeneveAttrs(geneve *Geneve, linkInfo *nl.RtAttr) {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
if geneve.FlowBased {
// In flow based mode, no other attributes need to be configured
linkInfo.AddRtAttr(nl.IFLA_GENEVE_COLLECT_METADATA, boolAttr(geneve.FlowBased))
return
}
if ip := geneve.Remote; ip != nil {
if ip4 := ip.To4(); ip4 != nil {
data.AddRtAttr(nl.IFLA_GENEVE_REMOTE, ip.To4())
} else {
data.AddRtAttr(nl.IFLA_GENEVE_REMOTE6, []byte(ip))
}
}
if geneve.ID != 0 {
data.AddRtAttr(nl.IFLA_GENEVE_ID, nl.Uint32Attr(geneve.ID))
}
if geneve.Dport != 0 {
data.AddRtAttr(nl.IFLA_GENEVE_PORT, htons(geneve.Dport))
}
if geneve.Ttl != 0 {
data.AddRtAttr(nl.IFLA_GENEVE_TTL, nl.Uint8Attr(geneve.Ttl))
}
if geneve.Tos != 0 {
data.AddRtAttr(nl.IFLA_GENEVE_TOS, nl.Uint8Attr(geneve.Tos))
}
}
func parseGeneveData(link Link, data []syscall.NetlinkRouteAttr) {
geneve := link.(*Geneve)
for _, datum := range data {
switch datum.Attr.Type {
case nl.IFLA_GENEVE_ID:
geneve.ID = native.Uint32(datum.Value[0:4])
case nl.IFLA_GENEVE_REMOTE, nl.IFLA_GENEVE_REMOTE6:
geneve.Remote = datum.Value
case nl.IFLA_GENEVE_PORT:
geneve.Dport = ntohs(datum.Value[0:2])
case nl.IFLA_GENEVE_TTL:
geneve.Ttl = uint8(datum.Value[0])
case nl.IFLA_GENEVE_TOS:
geneve.Tos = uint8(datum.Value[0])
}
}
}
func addGretapAttrs(gretap *Gretap, linkInfo *nl.RtAttr) {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
@ -2513,7 +2834,8 @@ func parseLinkXdp(data []byte) (*LinkXdp, error) {
case nl.IFLA_XDP_FD:
xdp.Fd = int(native.Uint32(attr.Value[0:4]))
case nl.IFLA_XDP_ATTACHED:
xdp.Attached = attr.Value[0] != 0
xdp.AttachMode = uint32(attr.Value[0])
xdp.Attached = xdp.AttachMode != 0
case nl.IFLA_XDP_FLAGS:
xdp.Flags = native.Uint32(attr.Value[0:4])
case nl.IFLA_XDP_PROG_ID:
@ -2552,11 +2874,16 @@ func addIptunAttrs(iptun *Iptun, linkInfo *nl.RtAttr) {
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_FLAGS, nl.Uint16Attr(iptun.EncapFlags))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_SPORT, htons(iptun.EncapSport))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_DPORT, htons(iptun.EncapDport))
data.AddRtAttr(nl.IFLA_IPTUN_PROTO, nl.Uint8Attr(iptun.Proto))
}
func parseIptunData(link Link, data []syscall.NetlinkRouteAttr) {
iptun := link.(*Iptun)
for _, datum := range data {
// NOTE: same with vxlan, ip tunnel may also has null datum.Value
if len(datum.Value) == 0 {
continue
}
switch datum.Attr.Type {
case nl.IFLA_IPTUN_LOCAL:
iptun.Local = net.IP(datum.Value[0:4])
@ -2577,7 +2904,9 @@ func parseIptunData(link Link, data []syscall.NetlinkRouteAttr) {
case nl.IFLA_IPTUN_ENCAP_FLAGS:
iptun.EncapFlags = native.Uint16(datum.Value[0:2])
case nl.IFLA_IPTUN_COLLECT_METADATA:
iptun.FlowBased = int8(datum.Value[0]) != 0
iptun.FlowBased = true
case nl.IFLA_IPTUN_PROTO:
iptun.Proto = datum.Value[0]
}
}
}
@ -2601,10 +2930,14 @@ func addIp6tnlAttrs(ip6tnl *Ip6tnl, linkInfo *nl.RtAttr) {
data.AddRtAttr(nl.IFLA_IPTUN_TTL, nl.Uint8Attr(ip6tnl.Ttl))
data.AddRtAttr(nl.IFLA_IPTUN_TOS, nl.Uint8Attr(ip6tnl.Tos))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_LIMIT, nl.Uint8Attr(ip6tnl.EncapLimit))
data.AddRtAttr(nl.IFLA_IPTUN_FLAGS, nl.Uint32Attr(ip6tnl.Flags))
data.AddRtAttr(nl.IFLA_IPTUN_PROTO, nl.Uint8Attr(ip6tnl.Proto))
data.AddRtAttr(nl.IFLA_IPTUN_FLOWINFO, nl.Uint32Attr(ip6tnl.FlowInfo))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_LIMIT, nl.Uint8Attr(ip6tnl.EncapLimit))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_TYPE, nl.Uint16Attr(ip6tnl.EncapType))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_FLAGS, nl.Uint16Attr(ip6tnl.EncapFlags))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_SPORT, htons(ip6tnl.EncapSport))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_DPORT, htons(ip6tnl.EncapDport))
}
func parseIp6tnlData(link Link, data []syscall.NetlinkRouteAttr) {
@ -2616,17 +2949,25 @@ func parseIp6tnlData(link Link, data []syscall.NetlinkRouteAttr) {
case nl.IFLA_IPTUN_REMOTE:
ip6tnl.Remote = net.IP(datum.Value[:16])
case nl.IFLA_IPTUN_TTL:
ip6tnl.Ttl = uint8(datum.Value[0])
ip6tnl.Ttl = datum.Value[0]
case nl.IFLA_IPTUN_TOS:
ip6tnl.Tos = uint8(datum.Value[0])
case nl.IFLA_IPTUN_ENCAP_LIMIT:
ip6tnl.EncapLimit = uint8(datum.Value[0])
ip6tnl.Tos = datum.Value[0]
case nl.IFLA_IPTUN_FLAGS:
ip6tnl.Flags = native.Uint32(datum.Value[:4])
case nl.IFLA_IPTUN_PROTO:
ip6tnl.Proto = uint8(datum.Value[0])
ip6tnl.Proto = datum.Value[0]
case nl.IFLA_IPTUN_FLOWINFO:
ip6tnl.FlowInfo = native.Uint32(datum.Value[:4])
case nl.IFLA_IPTUN_ENCAP_LIMIT:
ip6tnl.EncapLimit = datum.Value[0]
case nl.IFLA_IPTUN_ENCAP_TYPE:
ip6tnl.EncapType = native.Uint16(datum.Value[0:2])
case nl.IFLA_IPTUN_ENCAP_FLAGS:
ip6tnl.EncapFlags = native.Uint16(datum.Value[0:2])
case nl.IFLA_IPTUN_ENCAP_SPORT:
ip6tnl.EncapSport = ntohs(datum.Value[0:2])
case nl.IFLA_IPTUN_ENCAP_DPORT:
ip6tnl.EncapDport = ntohs(datum.Value[0:2])
}
}
}
@ -2653,8 +2994,10 @@ func addSittunAttrs(sittun *Sittun, linkInfo *nl.RtAttr) {
data.AddRtAttr(nl.IFLA_IPTUN_TTL, nl.Uint8Attr(sittun.Ttl))
}
data.AddRtAttr(nl.IFLA_IPTUN_PROTO, nl.Uint8Attr(sittun.Proto))
data.AddRtAttr(nl.IFLA_IPTUN_TOS, nl.Uint8Attr(sittun.Tos))
data.AddRtAttr(nl.IFLA_IPTUN_PMTUDISC, nl.Uint8Attr(sittun.PMtuDisc))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_LIMIT, nl.Uint8Attr(sittun.EncapLimit))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_TYPE, nl.Uint16Attr(sittun.EncapType))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_FLAGS, nl.Uint16Attr(sittun.EncapFlags))
data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_SPORT, htons(sittun.EncapSport))
@ -2670,11 +3013,13 @@ func parseSittunData(link Link, data []syscall.NetlinkRouteAttr) {
case nl.IFLA_IPTUN_REMOTE:
sittun.Remote = net.IP(datum.Value[0:4])
case nl.IFLA_IPTUN_TTL:
sittun.Ttl = uint8(datum.Value[0])
sittun.Ttl = datum.Value[0]
case nl.IFLA_IPTUN_TOS:
sittun.Tos = uint8(datum.Value[0])
sittun.Tos = datum.Value[0]
case nl.IFLA_IPTUN_PMTUDISC:
sittun.PMtuDisc = uint8(datum.Value[0])
sittun.PMtuDisc = datum.Value[0]
case nl.IFLA_IPTUN_PROTO:
sittun.Proto = datum.Value[0]
case nl.IFLA_IPTUN_ENCAP_TYPE:
sittun.EncapType = native.Uint16(datum.Value[0:2])
case nl.IFLA_IPTUN_ENCAP_FLAGS:
@ -2761,6 +3106,9 @@ func addBridgeAttrs(bridge *Bridge, linkInfo *nl.RtAttr) {
if bridge.MulticastSnooping != nil {
data.AddRtAttr(nl.IFLA_BR_MCAST_SNOOPING, boolToByte(*bridge.MulticastSnooping))
}
if bridge.AgeingTime != nil {
data.AddRtAttr(nl.IFLA_BR_AGEING_TIME, nl.Uint32Attr(*bridge.AgeingTime))
}
if bridge.HelloTime != nil {
data.AddRtAttr(nl.IFLA_BR_HELLO_TIME, nl.Uint32Attr(*bridge.HelloTime))
}
@ -2773,6 +3121,9 @@ func parseBridgeData(bridge Link, data []syscall.NetlinkRouteAttr) {
br := bridge.(*Bridge)
for _, datum := range data {
switch datum.Attr.Type {
case nl.IFLA_BR_AGEING_TIME:
ageingTime := native.Uint32(datum.Value[0:4])
br.AgeingTime = &ageingTime
case nl.IFLA_BR_HELLO_TIME:
helloTime := native.Uint32(datum.Value[0:4])
br.HelloTime = &helloTime
@ -2852,6 +3203,24 @@ func parseVfInfo(data []syscall.NetlinkRouteAttr, id int) VfInfo {
vfr := nl.DeserializeVfRate(element.Value[:])
vf.MaxTxRate = vfr.MaxTxRate
vf.MinTxRate = vfr.MinTxRate
case nl.IFLA_VF_STATS:
vfstats := nl.DeserializeVfStats(element.Value[:])
vf.RxPackets = vfstats.RxPackets
vf.TxPackets = vfstats.TxPackets
vf.RxBytes = vfstats.RxBytes
vf.TxBytes = vfstats.TxBytes
vf.Multicast = vfstats.Multicast
vf.Broadcast = vfstats.Broadcast
vf.RxDropped = vfstats.RxDropped
vf.TxDropped = vfstats.TxDropped
case nl.IFLA_VF_RSS_QUERY_EN:
result := nl.DeserializeVfRssQueryEn(element.Value)
vf.RssQuery = result.Setting
case nl.IFLA_VF_TRUST:
result := nl.DeserializeVfTrust(element.Value)
vf.Trust = result.Setting
}
}
return vf
@ -2860,8 +3229,9 @@ func parseVfInfo(data []syscall.NetlinkRouteAttr, id int) VfInfo {
func addXfrmiAttrs(xfrmi *Xfrmi, linkInfo *nl.RtAttr) {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_XFRM_LINK, nl.Uint32Attr(uint32(xfrmi.ParentIndex)))
data.AddRtAttr(nl.IFLA_XFRM_IF_ID, nl.Uint32Attr(xfrmi.Ifid))
if xfrmi.Ifid != 0 {
data.AddRtAttr(nl.IFLA_XFRM_IF_ID, nl.Uint32Attr(xfrmi.Ifid))
}
}
func parseXfrmiData(link Link, data []syscall.NetlinkRouteAttr) {
@ -3010,9 +3380,86 @@ func parseIPoIBData(link Link, data []syscall.NetlinkRouteAttr) {
}
}
func parseCanData(link Link, data []syscall.NetlinkRouteAttr) {
can := link.(*Can)
for _, datum := range data {
switch datum.Attr.Type {
case nl.IFLA_CAN_BITTIMING:
can.BitRate = native.Uint32(datum.Value)
can.SamplePoint = native.Uint32(datum.Value[4:])
can.TimeQuanta = native.Uint32(datum.Value[8:])
can.PropagationSegment = native.Uint32(datum.Value[12:])
can.PhaseSegment1 = native.Uint32(datum.Value[16:])
can.PhaseSegment2 = native.Uint32(datum.Value[20:])
can.SyncJumpWidth = native.Uint32(datum.Value[24:])
can.BitRatePreScaler = native.Uint32(datum.Value[28:])
case nl.IFLA_CAN_BITTIMING_CONST:
can.Name = string(datum.Value[:16])
can.TimeSegment1Min = native.Uint32(datum.Value[16:])
can.TimeSegment1Max = native.Uint32(datum.Value[20:])
can.TimeSegment2Min = native.Uint32(datum.Value[24:])
can.TimeSegment2Max = native.Uint32(datum.Value[28:])
can.SyncJumpWidthMax = native.Uint32(datum.Value[32:])
can.BitRatePreScalerMin = native.Uint32(datum.Value[36:])
can.BitRatePreScalerMax = native.Uint32(datum.Value[40:])
can.BitRatePreScalerInc = native.Uint32(datum.Value[44:])
case nl.IFLA_CAN_CLOCK:
can.ClockFrequency = native.Uint32(datum.Value)
case nl.IFLA_CAN_STATE:
can.State = native.Uint32(datum.Value)
case nl.IFLA_CAN_CTRLMODE:
can.Mask = native.Uint32(datum.Value)
can.Flags = native.Uint32(datum.Value[4:])
case nl.IFLA_CAN_BERR_COUNTER:
can.TxError = native.Uint16(datum.Value)
can.RxError = native.Uint16(datum.Value[2:])
case nl.IFLA_CAN_RESTART_MS:
can.RestartMs = native.Uint32(datum.Value)
case nl.IFLA_CAN_DATA_BITTIMING_CONST:
case nl.IFLA_CAN_RESTART:
case nl.IFLA_CAN_DATA_BITTIMING:
case nl.IFLA_CAN_TERMINATION:
case nl.IFLA_CAN_TERMINATION_CONST:
case nl.IFLA_CAN_BITRATE_CONST:
case nl.IFLA_CAN_DATA_BITRATE_CONST:
case nl.IFLA_CAN_BITRATE_MAX:
}
}
}
func addIPoIBAttrs(ipoib *IPoIB, linkInfo *nl.RtAttr) {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_IPOIB_PKEY, nl.Uint16Attr(uint16(ipoib.Pkey)))
data.AddRtAttr(nl.IFLA_IPOIB_MODE, nl.Uint16Attr(uint16(ipoib.Mode)))
data.AddRtAttr(nl.IFLA_IPOIB_UMCAST, nl.Uint16Attr(uint16(ipoib.Umcast)))
}
func addBareUDPAttrs(bareudp *BareUDP, linkInfo *nl.RtAttr) {
data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
data.AddRtAttr(nl.IFLA_BAREUDP_PORT, nl.Uint16Attr(nl.Swap16(bareudp.Port)))
data.AddRtAttr(nl.IFLA_BAREUDP_ETHERTYPE, nl.Uint16Attr(nl.Swap16(bareudp.EtherType)))
if bareudp.SrcPortMin != 0 {
data.AddRtAttr(nl.IFLA_BAREUDP_SRCPORT_MIN, nl.Uint16Attr(bareudp.SrcPortMin))
}
if bareudp.MultiProto {
data.AddRtAttr(nl.IFLA_BAREUDP_MULTIPROTO_MODE, []byte{})
}
}
func parseBareUDPData(link Link, data []syscall.NetlinkRouteAttr) {
bareudp := link.(*BareUDP)
for _, attr := range data {
switch attr.Attr.Type {
case nl.IFLA_BAREUDP_PORT:
bareudp.Port = binary.BigEndian.Uint16(attr.Value)
case nl.IFLA_BAREUDP_ETHERTYPE:
bareudp.EtherType = binary.BigEndian.Uint16(attr.Value)
case nl.IFLA_BAREUDP_SRCPORT_MIN:
bareudp.SrcPortMin = native.Uint16(attr.Value)
case nl.IFLA_BAREUDP_MULTIPROTO_MODE:
bareudp.MultiProto = true
}
}
}

1
vendor/github.com/vishvananda/netlink/neigh.go generated vendored
View file

@ -12,6 +12,7 @@ type Neigh struct {
State int
Type int
Flags int
FlagsExt int
IP net.IP
HardwareAddr net.HardwareAddr
LLIPAddr net.IP //Used in the case of NHRP

46
vendor/github.com/vishvananda/netlink/neigh_linux.go generated vendored
View file

@ -24,7 +24,11 @@ const (
NDA_MASTER
NDA_LINK_NETNSID
NDA_SRC_VNI
NDA_MAX = NDA_SRC_VNI
NDA_PROTOCOL
NDA_NH_ID
NDA_FDB_EXT_ATTRS
NDA_FLAGS_EXT
NDA_MAX = NDA_FLAGS_EXT
)
// Neighbor Cache Entry States.
@ -42,11 +46,19 @@ const (
// Neighbor Flags
const (
NTF_USE = 0x01
NTF_SELF = 0x02
NTF_MASTER = 0x04
NTF_PROXY = 0x08
NTF_ROUTER = 0x80
NTF_USE = 0x01
NTF_SELF = 0x02
NTF_MASTER = 0x04
NTF_PROXY = 0x08
NTF_EXT_LEARNED = 0x10
NTF_OFFLOADED = 0x20
NTF_STICKY = 0x40
NTF_ROUTER = 0x80
)
// Extended Neighbor Flags
const (
NTF_EXT_MANAGED = 0x00000001
)
// Ndmsg is for adding, removing or receiving information about a neighbor table entry
@ -162,11 +174,16 @@ func neighHandle(neigh *Neigh, req *nl.NetlinkRequest) error {
if neigh.LLIPAddr != nil {
llIPData := nl.NewRtAttr(NDA_LLADDR, neigh.LLIPAddr.To4())
req.AddData(llIPData)
} else if neigh.Flags != NTF_PROXY || neigh.HardwareAddr != nil {
} else if neigh.HardwareAddr != nil {
hwData := nl.NewRtAttr(NDA_LLADDR, []byte(neigh.HardwareAddr))
req.AddData(hwData)
}
if neigh.FlagsExt != 0 {
flagsExtData := nl.NewRtAttr(NDA_FLAGS_EXT, nl.Uint32Attr(uint32(neigh.FlagsExt)))
req.AddData(flagsExtData)
}
if neigh.Vlan != 0 {
vlanData := nl.NewRtAttr(NDA_VLAN, nl.Uint16Attr(uint16(neigh.Vlan)))
req.AddData(vlanData)
@ -243,6 +260,18 @@ func (h *Handle) NeighListExecute(msg Ndmsg) ([]Neigh, error) {
// Ignore messages from other interfaces
continue
}
if msg.Family != 0 && ndm.Family != msg.Family {
continue
}
if msg.State != 0 && ndm.State != msg.State {
continue
}
if msg.Type != 0 && ndm.Type != msg.Type {
continue
}
if msg.Flags != 0 && ndm.Flags != msg.Flags {
continue
}
neigh, err := NeighDeserialize(m)
if err != nil {
@ -293,6 +322,8 @@ func NeighDeserialize(m []byte) (*Neigh, error) {
} else {
neigh.HardwareAddr = net.HardwareAddr(attr.Value)
}
case NDA_FLAGS_EXT:
neigh.FlagsExt = int(native.Uint32(attr.Value[0:4]))
case NDA_VLAN:
neigh.Vlan = int(native.Uint16(attr.Value[0:2]))
case NDA_VNI:
@ -396,7 +427,6 @@ func neighSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- NeighUpdate, done <
continue
}
if m.Header.Type == unix.NLMSG_ERROR {
native := nl.NativeEndian()
error := int32(native.Uint32(m.Data[0:4]))
if error == 0 {
continue

22
vendor/github.com/vishvananda/netlink/netlink_unspecified.go generated vendored
View file

@ -16,7 +16,7 @@ func LinkSetMTU(link Link, mtu int) error {
return ErrNotImplemented
}
func LinkSetMaster(link Link, master *Bridge) error {
func LinkSetMaster(link Link, master Link) error {
return ErrNotImplemented
}
@ -72,6 +72,10 @@ func LinkSetXdpFd(link Link, fd int) error {
return ErrNotImplemented
}
func LinkSetXdpFdWithFlags(link Link, fd, flags int) error {
return ErrNotImplemented
}
func LinkSetARPOff(link Link) error {
return ErrNotImplemented
}
@ -176,14 +180,30 @@ func RouteAdd(route *Route) error {
return ErrNotImplemented
}
func RouteAppend(route *Route) error {
return ErrNotImplemented
}
func RouteDel(route *Route) error {
return ErrNotImplemented
}
func RouteGet(destination net.IP) ([]Route, error) {
return nil, ErrNotImplemented
}
func RouteList(link Link, family int) ([]Route, error) {
return nil, ErrNotImplemented
}
func RouteListFiltered(family int, filter *Route, filterMask uint64) ([]Route, error) {
return nil, ErrNotImplemented
}
func RouteReplace(route *Route) error {
return ErrNotImplemented
}
func XfrmPolicyAdd(policy *XfrmPolicy) error {
return ErrNotImplemented
}

6
vendor/github.com/vishvananda/netlink/netns_linux.go generated vendored
View file

@ -87,7 +87,7 @@ func (h *Handle) getNetNsId(attrType int, val uint32) (int, error) {
rtgen := nl.NewRtGenMsg()
req.AddData(rtgen)
b := make([]byte, 4, 4)
b := make([]byte, 4)
native.PutUint32(b, val)
attr := nl.NewRtAttr(attrType, b)
req.AddData(attr)
@ -126,12 +126,12 @@ func (h *Handle) setNetNsId(attrType int, val uint32, newnsid uint32) error {
rtgen := nl.NewRtGenMsg()
req.AddData(rtgen)
b := make([]byte, 4, 4)
b := make([]byte, 4)
native.PutUint32(b, val)
attr := nl.NewRtAttr(attrType, b)
req.AddData(attr)
b1 := make([]byte, 4, 4)
b1 := make([]byte, 4)
native.PutUint32(b1, newnsid)
attr1 := nl.NewRtAttr(NETNSA_NSID, b1)
req.AddData(attr1)

14
vendor/github.com/vishvananda/netlink/nl/addr_linux.go generated vendored
View file

@ -54,24 +54,18 @@ func (msg *IfAddrmsg) Len() int {
// __u32 tstamp; /* updated timestamp, hundredths of seconds */
// };
const IFA_CACHEINFO = 6
const SizeofIfaCacheInfo = 0x10
type IfaCacheInfo struct {
IfaPrefered uint32
IfaValid uint32
Cstamp uint32
Tstamp uint32
unix.IfaCacheinfo
}
func (msg *IfaCacheInfo) Len() int {
return SizeofIfaCacheInfo
return unix.SizeofIfaCacheinfo
}
func DeserializeIfaCacheInfo(b []byte) *IfaCacheInfo {
return (*IfaCacheInfo)(unsafe.Pointer(&b[0:SizeofIfaCacheInfo][0]))
return (*IfaCacheInfo)(unsafe.Pointer(&b[0:unix.SizeofIfaCacheinfo][0]))
}
func (msg *IfaCacheInfo) Serialize() []byte {
return (*(*[SizeofIfaCacheInfo]byte)(unsafe.Pointer(msg)))[:]
return (*(*[unix.SizeofIfaCacheinfo]byte)(unsafe.Pointer(msg)))[:]
}

6
vendor/github.com/vishvananda/netlink/nl/conntrack_linux.go generated vendored
View file

@ -40,9 +40,11 @@ const (
NFNETLINK_V0 = 0
)
// #define NLA_F_NESTED (1 << 15)
const (
NLA_F_NESTED = (1 << 15)
NLA_F_NESTED uint16 = (1 << 15) // #define NLA_F_NESTED (1 << 15)
NLA_F_NET_BYTEORDER uint16 = (1 << 14) // #define NLA_F_NESTED (1 << 14)
NLA_TYPE_MASK = ^(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
NLA_ALIGNTO uint16 = 4 // #define NLA_ALIGNTO 4
)
// enum ctattr_type {

66
vendor/github.com/vishvananda/netlink/nl/devlink_linux.go generated vendored
View file

@ -10,16 +10,38 @@ const (
const (
DEVLINK_CMD_GET = 1
DEVLINK_CMD_PORT_GET = 5
DEVLINK_CMD_PORT_SET = 6
DEVLINK_CMD_PORT_NEW = 7
DEVLINK_CMD_PORT_DEL = 8
DEVLINK_CMD_ESWITCH_GET = 29
DEVLINK_CMD_ESWITCH_SET = 30
DEVLINK_CMD_INFO_GET = 51
)
const (
DEVLINK_ATTR_BUS_NAME = 1
DEVLINK_ATTR_DEV_NAME = 2
DEVLINK_ATTR_ESWITCH_MODE = 25
DEVLINK_ATTR_ESWITCH_INLINE_MODE = 26
DEVLINK_ATTR_ESWITCH_ENCAP_MODE = 62
DEVLINK_ATTR_BUS_NAME = 1
DEVLINK_ATTR_DEV_NAME = 2
DEVLINK_ATTR_PORT_INDEX = 3
DEVLINK_ATTR_PORT_TYPE = 4
DEVLINK_ATTR_PORT_NETDEV_IFINDEX = 6
DEVLINK_ATTR_PORT_NETDEV_NAME = 7
DEVLINK_ATTR_PORT_IBDEV_NAME = 8
DEVLINK_ATTR_ESWITCH_MODE = 25
DEVLINK_ATTR_ESWITCH_INLINE_MODE = 26
DEVLINK_ATTR_ESWITCH_ENCAP_MODE = 62
DEVLINK_ATTR_PORT_FLAVOUR = 77
DEVLINK_ATTR_INFO_DRIVER_NAME = 98
DEVLINK_ATTR_INFO_SERIAL_NUMBER = 99
DEVLINK_ATTR_INFO_VERSION_FIXED = 100
DEVLINK_ATTR_INFO_VERSION_RUNNING = 101
DEVLINK_ATTR_INFO_VERSION_STORED = 102
DEVLINK_ATTR_INFO_VERSION_NAME = 103
DEVLINK_ATTR_INFO_VERSION_VALUE = 104
DEVLINK_ATTR_PORT_PCI_PF_NUMBER = 127
DEVLINK_ATTR_PORT_FUNCTION = 145
DEVLINK_ATTR_PORT_CONTROLLER_NUMBER = 150
DEVLINK_ATTR_PORT_PCI_SF_NUMBER = 164
)
const (
@ -38,3 +60,37 @@ const (
DEVLINK_ESWITCH_ENCAP_MODE_NONE = 0
DEVLINK_ESWITCH_ENCAP_MODE_BASIC = 1
)
const (
DEVLINK_PORT_FLAVOUR_PHYSICAL = 0
DEVLINK_PORT_FLAVOUR_CPU = 1
DEVLINK_PORT_FLAVOUR_DSA = 2
DEVLINK_PORT_FLAVOUR_PCI_PF = 3
DEVLINK_PORT_FLAVOUR_PCI_VF = 4
DEVLINK_PORT_FLAVOUR_VIRTUAL = 5
DEVLINK_PORT_FLAVOUR_UNUSED = 6
DEVLINK_PORT_FLAVOUR_PCI_SF = 7
)
const (
DEVLINK_PORT_TYPE_NOTSET = 0
DEVLINK_PORT_TYPE_AUTO = 1
DEVLINK_PORT_TYPE_ETH = 2
DEVLINK_PORT_TYPE_IB = 3
)
const (
DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR = 1
DEVLINK_PORT_FN_ATTR_STATE = 2
DEVLINK_PORT_FN_ATTR_OPSTATE = 3
)
const (
DEVLINK_PORT_FN_STATE_INACTIVE = 0
DEVLINK_PORT_FN_STATE_ACTIVE = 1
)
const (
DEVLINK_PORT_FN_OPSTATE_DETACHED = 0
DEVLINK_PORT_FN_OPSTATE_ATTACHED = 1
)

222
vendor/github.com/vishvananda/netlink/nl/ipset_linux.go generated vendored Normal file
View file

@ -0,0 +1,222 @@
package nl
import (
"strconv"
"golang.org/x/sys/unix"
)
const (
/* The protocol version */
IPSET_PROTOCOL = 6
/* The max length of strings including NUL: set and type identifiers */
IPSET_MAXNAMELEN = 32
/* The maximum permissible comment length we will accept over netlink */
IPSET_MAX_COMMENT_SIZE = 255
)
const (
_ = iota
IPSET_CMD_PROTOCOL /* 1: Return protocol version */
IPSET_CMD_CREATE /* 2: Create a new (empty) set */
IPSET_CMD_DESTROY /* 3: Destroy a (empty) set */
IPSET_CMD_FLUSH /* 4: Remove all elements from a set */
IPSET_CMD_RENAME /* 5: Rename a set */
IPSET_CMD_SWAP /* 6: Swap two sets */
IPSET_CMD_LIST /* 7: List sets */
IPSET_CMD_SAVE /* 8: Save sets */
IPSET_CMD_ADD /* 9: Add an element to a set */
IPSET_CMD_DEL /* 10: Delete an element from a set */
IPSET_CMD_TEST /* 11: Test an element in a set */
IPSET_CMD_HEADER /* 12: Get set header data only */
IPSET_CMD_TYPE /* 13: Get set type */
)
/* Attributes at command level */
const (
_ = iota
IPSET_ATTR_PROTOCOL /* 1: Protocol version */
IPSET_ATTR_SETNAME /* 2: Name of the set */
IPSET_ATTR_TYPENAME /* 3: Typename */
IPSET_ATTR_REVISION /* 4: Settype revision */
IPSET_ATTR_FAMILY /* 5: Settype family */
IPSET_ATTR_FLAGS /* 6: Flags at command level */
IPSET_ATTR_DATA /* 7: Nested attributes */
IPSET_ATTR_ADT /* 8: Multiple data containers */
IPSET_ATTR_LINENO /* 9: Restore lineno */
IPSET_ATTR_PROTOCOL_MIN /* 10: Minimal supported version number */
IPSET_ATTR_SETNAME2 = IPSET_ATTR_TYPENAME /* Setname at rename/swap */
IPSET_ATTR_REVISION_MIN = IPSET_ATTR_PROTOCOL_MIN /* type rev min */
)
/* CADT specific attributes */
const (
IPSET_ATTR_IP = 1
IPSET_ATTR_IP_FROM = 1
IPSET_ATTR_IP_TO = 2
IPSET_ATTR_CIDR = 3
IPSET_ATTR_PORT = 4
IPSET_ATTR_PORT_FROM = 4
IPSET_ATTR_PORT_TO = 5
IPSET_ATTR_TIMEOUT = 6
IPSET_ATTR_PROTO = 7
IPSET_ATTR_CADT_FLAGS = 8
IPSET_ATTR_CADT_LINENO = IPSET_ATTR_LINENO /* 9 */
IPSET_ATTR_MARK = 10
IPSET_ATTR_MARKMASK = 11
/* Reserve empty slots */
IPSET_ATTR_CADT_MAX = 16
/* Create-only specific attributes */
IPSET_ATTR_GC = 3 + iota
IPSET_ATTR_HASHSIZE
IPSET_ATTR_MAXELEM
IPSET_ATTR_NETMASK
IPSET_ATTR_PROBES
IPSET_ATTR_RESIZE
IPSET_ATTR_SIZE
/* Kernel-only */
IPSET_ATTR_ELEMENTS
IPSET_ATTR_REFERENCES
IPSET_ATTR_MEMSIZE
SET_ATTR_CREATE_MAX
)
/* ADT specific attributes */
const (
IPSET_ATTR_ETHER = IPSET_ATTR_CADT_MAX + iota + 1
IPSET_ATTR_NAME
IPSET_ATTR_NAMEREF
IPSET_ATTR_IP2
IPSET_ATTR_CIDR2
IPSET_ATTR_IP2_TO
IPSET_ATTR_IFACE
IPSET_ATTR_BYTES
IPSET_ATTR_PACKETS
IPSET_ATTR_COMMENT
IPSET_ATTR_SKBMARK
IPSET_ATTR_SKBPRIO
IPSET_ATTR_SKBQUEUE
)
/* Flags at CADT attribute level, upper half of cmdattrs */
const (
IPSET_FLAG_BIT_BEFORE = 0
IPSET_FLAG_BEFORE = (1 << IPSET_FLAG_BIT_BEFORE)
IPSET_FLAG_BIT_PHYSDEV = 1
IPSET_FLAG_PHYSDEV = (1 << IPSET_FLAG_BIT_PHYSDEV)
IPSET_FLAG_BIT_NOMATCH = 2
IPSET_FLAG_NOMATCH = (1 << IPSET_FLAG_BIT_NOMATCH)
IPSET_FLAG_BIT_WITH_COUNTERS = 3
IPSET_FLAG_WITH_COUNTERS = (1 << IPSET_FLAG_BIT_WITH_COUNTERS)
IPSET_FLAG_BIT_WITH_COMMENT = 4
IPSET_FLAG_WITH_COMMENT = (1 << IPSET_FLAG_BIT_WITH_COMMENT)
IPSET_FLAG_BIT_WITH_FORCEADD = 5
IPSET_FLAG_WITH_FORCEADD = (1 << IPSET_FLAG_BIT_WITH_FORCEADD)
IPSET_FLAG_BIT_WITH_SKBINFO = 6
IPSET_FLAG_WITH_SKBINFO = (1 << IPSET_FLAG_BIT_WITH_SKBINFO)
IPSET_FLAG_CADT_MAX = 15
)
const (
IPSET_ERR_PRIVATE = 4096 + iota
IPSET_ERR_PROTOCOL
IPSET_ERR_FIND_TYPE
IPSET_ERR_MAX_SETS
IPSET_ERR_BUSY
IPSET_ERR_EXIST_SETNAME2
IPSET_ERR_TYPE_MISMATCH
IPSET_ERR_EXIST
IPSET_ERR_INVALID_CIDR
IPSET_ERR_INVALID_NETMASK
IPSET_ERR_INVALID_FAMILY
IPSET_ERR_TIMEOUT
IPSET_ERR_REFERENCED
IPSET_ERR_IPADDR_IPV4
IPSET_ERR_IPADDR_IPV6
IPSET_ERR_COUNTER
IPSET_ERR_COMMENT
IPSET_ERR_INVALID_MARKMASK
IPSET_ERR_SKBINFO
/* Type specific error codes */
IPSET_ERR_TYPE_SPECIFIC = 4352
)
type IPSetError uintptr
func (e IPSetError) Error() string {
switch int(e) {
case IPSET_ERR_PRIVATE:
return "private"
case IPSET_ERR_PROTOCOL:
return "invalid protocol"
case IPSET_ERR_FIND_TYPE:
return "invalid type"
case IPSET_ERR_MAX_SETS:
return "max sets reached"
case IPSET_ERR_BUSY:
return "busy"
case IPSET_ERR_EXIST_SETNAME2:
return "exist_setname2"
case IPSET_ERR_TYPE_MISMATCH:
return "type mismatch"
case IPSET_ERR_EXIST:
return "exist"
case IPSET_ERR_INVALID_CIDR:
return "invalid cidr"
case IPSET_ERR_INVALID_NETMASK:
return "invalid netmask"
case IPSET_ERR_INVALID_FAMILY:
return "invalid family"
case IPSET_ERR_TIMEOUT:
return "timeout"
case IPSET_ERR_REFERENCED:
return "referenced"
case IPSET_ERR_IPADDR_IPV4:
return "invalid ipv4 address"
case IPSET_ERR_IPADDR_IPV6:
return "invalid ipv6 address"
case IPSET_ERR_COUNTER:
return "invalid counter"
case IPSET_ERR_COMMENT:
return "invalid comment"
case IPSET_ERR_INVALID_MARKMASK:
return "invalid markmask"
case IPSET_ERR_SKBINFO:
return "skbinfo"
default:
return "errno " + strconv.Itoa(int(e))
}
}
func GetIpsetFlags(cmd int) int {
switch cmd {
case IPSET_CMD_CREATE:
return unix.NLM_F_REQUEST | unix.NLM_F_ACK | unix.NLM_F_CREATE
case IPSET_CMD_DESTROY,
IPSET_CMD_FLUSH,
IPSET_CMD_RENAME,
IPSET_CMD_SWAP,
IPSET_CMD_TEST:
return unix.NLM_F_REQUEST | unix.NLM_F_ACK
case IPSET_CMD_LIST,
IPSET_CMD_SAVE:
return unix.NLM_F_REQUEST | unix.NLM_F_ACK | unix.NLM_F_ROOT | unix.NLM_F_MATCH | unix.NLM_F_DUMP
case IPSET_CMD_ADD,
IPSET_CMD_DEL:
return unix.NLM_F_REQUEST | unix.NLM_F_ACK
case IPSET_CMD_HEADER,
IPSET_CMD_TYPE,
IPSET_CMD_PROTOCOL:
return unix.NLM_F_REQUEST
default:
return 0
}
}

112
vendor/github.com/vishvananda/netlink/nl/link_linux.go generated vendored
View file

@ -1,6 +1,8 @@
package nl
import (
"bytes"
"encoding/binary"
"unsafe"
)
@ -171,6 +173,22 @@ const (
IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE
)
const (
IFLA_GENEVE_UNSPEC = iota
IFLA_GENEVE_ID // vni
IFLA_GENEVE_REMOTE
IFLA_GENEVE_TTL
IFLA_GENEVE_TOS
IFLA_GENEVE_PORT // destination port
IFLA_GENEVE_COLLECT_METADATA
IFLA_GENEVE_REMOTE6
IFLA_GENEVE_UDP_CSUM
IFLA_GENEVE_UDP_ZERO_CSUM6_TX
IFLA_GENEVE_UDP_ZERO_CSUM6_RX
IFLA_GENEVE_LABEL
IFLA_GENEVE_MAX = IFLA_GENEVE_LABEL
)
const (
IFLA_GRE_UNSPEC = iota
IFLA_GRE_LINK
@ -243,7 +261,9 @@ const (
IFLA_VF_STATS_TX_BYTES
IFLA_VF_STATS_BROADCAST
IFLA_VF_STATS_MULTICAST
IFLA_VF_STATS_MAX = IFLA_VF_STATS_MULTICAST
IFLA_VF_STATS_RX_DROPPED
IFLA_VF_STATS_TX_DROPPED
IFLA_VF_STATS_MAX = IFLA_VF_STATS_TX_DROPPED
)
const (
@ -326,6 +346,59 @@ func (msg *VfTxRate) Serialize() []byte {
return (*(*[SizeofVfTxRate]byte)(unsafe.Pointer(msg)))[:]
}
//struct ifla_vf_stats {
// __u64 rx_packets;
// __u64 tx_packets;
// __u64 rx_bytes;
// __u64 tx_bytes;
// __u64 broadcast;
// __u64 multicast;
//};
type VfStats struct {
RxPackets uint64
TxPackets uint64
RxBytes uint64
TxBytes uint64
Multicast uint64
Broadcast uint64
RxDropped uint64
TxDropped uint64
}
func DeserializeVfStats(b []byte) VfStats {
var vfstat VfStats
stats, err := ParseRouteAttr(b)
if err != nil {
return vfstat
}
var valueVar uint64
for _, stat := range stats {
if err := binary.Read(bytes.NewBuffer(stat.Value), NativeEndian(), &valueVar); err != nil {
break
}
switch stat.Attr.Type {
case IFLA_VF_STATS_RX_PACKETS:
vfstat.RxPackets = valueVar
case IFLA_VF_STATS_TX_PACKETS:
vfstat.TxPackets = valueVar
case IFLA_VF_STATS_RX_BYTES:
vfstat.RxBytes = valueVar
case IFLA_VF_STATS_TX_BYTES:
vfstat.TxBytes = valueVar
case IFLA_VF_STATS_MULTICAST:
vfstat.Multicast = valueVar
case IFLA_VF_STATS_BROADCAST:
vfstat.Broadcast = valueVar
case IFLA_VF_STATS_RX_DROPPED:
vfstat.RxDropped = valueVar
case IFLA_VF_STATS_TX_DROPPED:
vfstat.TxDropped = valueVar
}
}
return vfstat
}
// struct ifla_vf_rate {
// __u32 vf;
// __u32 min_tx_rate; /* Min Bandwidth in Mbps */
@ -478,6 +551,14 @@ const (
IFLA_XDP_MAX = IFLA_XDP_PROG_ID
)
// XDP program attach mode (used as dump value for IFLA_XDP_ATTACHED)
const (
XDP_ATTACHED_NONE = iota
XDP_ATTACHED_DRV
XDP_ATTACHED_SKB
XDP_ATTACHED_HW
)
const (
IFLA_IPTUN_UNSPEC = iota
IFLA_IPTUN_LINK
@ -608,3 +689,32 @@ const (
IFLA_IPOIB_UMCAST
IFLA_IPOIB_MAX = IFLA_IPOIB_UMCAST
)
const (
IFLA_CAN_UNSPEC = iota
IFLA_CAN_BITTIMING
IFLA_CAN_BITTIMING_CONST
IFLA_CAN_CLOCK
IFLA_CAN_STATE
IFLA_CAN_CTRLMODE
IFLA_CAN_RESTART_MS
IFLA_CAN_RESTART
IFLA_CAN_BERR_COUNTER
IFLA_CAN_DATA_BITTIMING
IFLA_CAN_DATA_BITTIMING_CONST
IFLA_CAN_TERMINATION
IFLA_CAN_TERMINATION_CONST
IFLA_CAN_BITRATE_CONST
IFLA_CAN_DATA_BITRATE_CONST
IFLA_CAN_BITRATE_MAX
IFLA_CAN_MAX = IFLA_CAN_BITRATE_MAX
)
const (
IFLA_BAREUDP_UNSPEC = iota
IFLA_BAREUDP_PORT
IFLA_BAREUDP_ETHERTYPE
IFLA_BAREUDP_SRCPORT_MIN
IFLA_BAREUDP_MULTIPROTO_MODE
IFLA_BAREUDP_MAX = IFLA_BAREUDP_MULTIPROTO_MODE
)

29
vendor/github.com/vishvananda/netlink/nl/lwt_linux.go generated vendored Normal file
View file

@ -0,0 +1,29 @@
package nl
const (
LWT_BPF_PROG_UNSPEC = iota
LWT_BPF_PROG_FD
LWT_BPF_PROG_NAME
__LWT_BPF_PROG_MAX
)
const (
LWT_BPF_PROG_MAX = __LWT_BPF_PROG_MAX - 1
)
const (
LWT_BPF_UNSPEC = iota
LWT_BPF_IN
LWT_BPF_OUT
LWT_BPF_XMIT
LWT_BPF_XMIT_HEADROOM
__LWT_BPF_MAX
)
const (
LWT_BPF_MAX = __LWT_BPF_MAX - 1
)
const (
LWT_BPF_MAX_HEADROOM = 256
)

156
vendor/github.com/vishvananda/netlink/nl/nl_linux.go generated vendored
View file

@ -27,7 +27,8 @@ const (
// tc rules or filters, or other more memory requiring data.
RECEIVE_BUFFER_SIZE = 65536
// Kernel netlink pid
PidKernel uint32 = 0
PidKernel uint32 = 0
SizeofCnMsgOp = 0x18
)
// SupportedNlFamilies contains the list of netlink families this netlink package supports
@ -35,6 +36,12 @@ var SupportedNlFamilies = []int{unix.NETLINK_ROUTE, unix.NETLINK_XFRM, unix.NETL
var nextSeqNr uint32
// Default netlink socket timeout, 60s
var SocketTimeoutTv = unix.Timeval{Sec: 60, Usec: 0}
// ErrorMessageReporting is the default error message reporting configuration for the new netlink sockets
var EnableErrorMessageReporting bool = false
// GetIPFamily returns the family type of a net.IP.
func GetIPFamily(ip net.IP) int {
if len(ip) <= net.IPv4len {
@ -77,11 +84,69 @@ func Swap32(i uint32) uint32 {
return (i&0xff000000)>>24 | (i&0xff0000)>>8 | (i&0xff00)<<8 | (i&0xff)<<24
}
const (
NLMSGERR_ATTR_UNUSED = 0
NLMSGERR_ATTR_MSG = 1
NLMSGERR_ATTR_OFFS = 2
NLMSGERR_ATTR_COOKIE = 3
NLMSGERR_ATTR_POLICY = 4
)
type NetlinkRequestData interface {
Len() int
Serialize() []byte
}
const (
PROC_CN_MCAST_LISTEN = 1
PROC_CN_MCAST_IGNORE
)
type CbID struct {
Idx uint32
Val uint32
}
type CnMsg struct {
ID CbID
Seq uint32
Ack uint32
Length uint16
Flags uint16
}
type CnMsgOp struct {
CnMsg
// here we differ from the C header
Op uint32
}
func NewCnMsg(idx, val, op uint32) *CnMsgOp {
var cm CnMsgOp
cm.ID.Idx = idx
cm.ID.Val = val
cm.Ack = 0
cm.Seq = 1
cm.Length = uint16(binary.Size(op))
cm.Op = op
return &cm
}
func (msg *CnMsgOp) Serialize() []byte {
return (*(*[SizeofCnMsgOp]byte)(unsafe.Pointer(msg)))[:]
}
func DeserializeCnMsgOp(b []byte) *CnMsgOp {
return (*CnMsgOp)(unsafe.Pointer(&b[0:SizeofCnMsgOp][0]))
}
func (msg *CnMsgOp) Len() int {
return SizeofCnMsgOp
}
// IfInfomsg is related to links, but it is used for list requests as well
type IfInfomsg struct {
unix.IfInfomsg
@ -249,6 +314,12 @@ func (msg *IfInfomsg) EncapType() string {
return fmt.Sprintf("unknown%d", msg.Type)
}
// Round the length of a netlink message up to align it properly.
// Taken from syscall/netlink_linux.go by The Go Authors under BSD-style license.
func nlmAlignOf(msglen int) int {
return (msglen + syscall.NLMSG_ALIGNTO - 1) & ^(syscall.NLMSG_ALIGNTO - 1)
}
func rtaAlignOf(attrlen int) int {
return (attrlen + unix.RTA_ALIGNTO - 1) & ^(unix.RTA_ALIGNTO - 1)
}
@ -259,6 +330,29 @@ func NewIfInfomsgChild(parent *RtAttr, family int) *IfInfomsg {
return msg
}
type Uint32Attribute struct {
Type uint16
Value uint32
}
func (a *Uint32Attribute) Serialize() []byte {
native := NativeEndian()
buf := make([]byte, rtaAlignOf(8))
native.PutUint16(buf[0:2], 8)
native.PutUint16(buf[2:4], a.Type)
if a.Type&NLA_F_NET_BYTEORDER != 0 {
binary.BigEndian.PutUint32(buf[4:], a.Value)
} else {
native.PutUint32(buf[4:], a.Value)
}
return buf
}
func (a *Uint32Attribute) Len() int {
return 8
}
// Extend RtAttr to handle data and children
type RtAttr struct {
unix.RtAttr
@ -403,6 +497,19 @@ func (req *NetlinkRequest) Execute(sockType int, resType uint16) ([][]byte, erro
if err != nil {
return nil, err
}
if err := s.SetSendTimeout(&SocketTimeoutTv); err != nil {
return nil, err
}
if err := s.SetReceiveTimeout(&SocketTimeoutTv); err != nil {
return nil, err
}
if EnableErrorMessageReporting {
if err := s.SetExtAck(true); err != nil {
return nil, err
}
}
defer s.Close()
} else {
s.Lock()
@ -439,16 +546,39 @@ done:
if m.Header.Pid != pid {
continue
}
if m.Header.Type == unix.NLMSG_DONE {
break done
}
if m.Header.Type == unix.NLMSG_ERROR {
if m.Header.Type == unix.NLMSG_DONE || m.Header.Type == unix.NLMSG_ERROR {
native := NativeEndian()
error := int32(native.Uint32(m.Data[0:4]))
if error == 0 {
errno := int32(native.Uint32(m.Data[0:4]))
if errno == 0 {
break done
}
return nil, syscall.Errno(-error)
var err error
err = syscall.Errno(-errno)
unreadData := m.Data[4:]
if m.Header.Flags|unix.NLM_F_ACK_TLVS != 0 && len(unreadData) > syscall.SizeofNlMsghdr {
// Skip the echoed request message.
echoReqH := (*syscall.NlMsghdr)(unsafe.Pointer(&unreadData[0]))
unreadData = unreadData[nlmAlignOf(int(echoReqH.Len)):]
// Annotate `err` using nlmsgerr attributes.
for len(unreadData) >= syscall.SizeofRtAttr {
attr := (*syscall.RtAttr)(unsafe.Pointer(&unreadData[0]))
attrData := unreadData[syscall.SizeofRtAttr:attr.Len]
switch attr.Type {
case NLMSGERR_ATTR_MSG:
err = fmt.Errorf("%w: %s", err, string(attrData))
default:
// TODO: handle other NLMSGERR_ATTR types
}
unreadData = unreadData[rtaAlignOf(int(attr.Len)):]
}
}
return nil, err
}
if resType != 0 && m.Header.Type != resType {
continue
@ -663,6 +793,16 @@ func (s *NetlinkSocket) SetReceiveTimeout(timeout *unix.Timeval) error {
return unix.SetsockoptTimeval(int(s.fd), unix.SOL_SOCKET, unix.SO_RCVTIMEO, timeout)
}
// SetExtAck requests error messages to be reported on the socket
func (s *NetlinkSocket) SetExtAck(enable bool) error {
var enableN int
if enable {
enableN = 1
}
return unix.SetsockoptInt(int(s.fd), unix.SOL_NETLINK, unix.NETLINK_EXT_ACK, enableN)
}
func (s *NetlinkSocket) GetPid() (uint32, error) {
fd := int(atomic.LoadInt32(&s.fd))
lsa, err := unix.Getsockname(fd)

79
vendor/github.com/vishvananda/netlink/nl/parse_attr_linux.go generated vendored Normal file
View file

@ -0,0 +1,79 @@
package nl
import (
"encoding/binary"
"fmt"
"log"
)
type Attribute struct {
Type uint16
Value []byte
}
func ParseAttributes(data []byte) <-chan Attribute {
native := NativeEndian()
result := make(chan Attribute)
go func() {
i := 0
for i+4 < len(data) {
length := int(native.Uint16(data[i : i+2]))
attrType := native.Uint16(data[i+2 : i+4])
if length < 4 {
log.Printf("attribute 0x%02x has invalid length of %d bytes", attrType, length)
break
}
if len(data) < i+length {
log.Printf("attribute 0x%02x of length %d is truncated, only %d bytes remaining", attrType, length, len(data)-i)
break
}
result <- Attribute{
Type: attrType,
Value: data[i+4 : i+length],
}
i += rtaAlignOf(length)
}
close(result)
}()
return result
}
func PrintAttributes(data []byte) {
printAttributes(data, 0)
}
func printAttributes(data []byte, level int) {
for attr := range ParseAttributes(data) {
for i := 0; i < level; i++ {
print("> ")
}
nested := attr.Type&NLA_F_NESTED != 0
fmt.Printf("type=%d nested=%v len=%v %v\n", attr.Type&NLA_TYPE_MASK, nested, len(attr.Value), attr.Value)
if nested {
printAttributes(attr.Value, level+1)
}
}
}
// Uint32 returns the uint32 value respecting the NET_BYTEORDER flag
func (attr *Attribute) Uint32() uint32 {
if attr.Type&NLA_F_NET_BYTEORDER != 0 {
return binary.BigEndian.Uint32(attr.Value)
} else {
return NativeEndian().Uint32(attr.Value)
}
}
// Uint64 returns the uint64 value respecting the NET_BYTEORDER flag
func (attr *Attribute) Uint64() uint64 {
if attr.Type&NLA_F_NET_BYTEORDER != 0 {
return binary.BigEndian.Uint64(attr.Value)
} else {
return NativeEndian().Uint64(attr.Value)
}
}

4
vendor/github.com/vishvananda/netlink/nl/rdma_link_linux.go generated vendored
View file

@ -11,6 +11,8 @@ const (
const (
RDMA_NLDEV_CMD_GET = 1
RDMA_NLDEV_CMD_SET = 2
RDMA_NLDEV_CMD_NEWLINK = 3
RDMA_NLDEV_CMD_DELLINK = 4
RDMA_NLDEV_CMD_SYS_GET = 6
RDMA_NLDEV_CMD_SYS_SET = 7
)
@ -30,6 +32,8 @@ const (
RDMA_NLDEV_ATTR_PORT_STATE = 12
RDMA_NLDEV_ATTR_PORT_PHYS_STATE = 13
RDMA_NLDEV_ATTR_DEV_NODE_TYPE = 14
RDMA_NLDEV_ATTR_NDEV_NAME = 51
RDMA_NLDEV_ATTR_LINK_TYPE = 65
RDMA_NLDEV_SYS_ATTR_NETNS_MODE = 66
RDMA_NLDEV_NET_NS_FD = 68
)

4
vendor/github.com/vishvananda/netlink/nl/seg6_linux.go generated vendored
View file

@ -23,7 +23,7 @@ func (s1 *IPv6SrHdr) Equal(s2 IPv6SrHdr) bool {
return false
}
for i := range s1.Segments {
if s1.Segments[i].Equal(s2.Segments[i]) != true {
if !s1.Segments[i].Equal(s2.Segments[i]) {
return false
}
}
@ -89,7 +89,7 @@ func DecodeSEG6Encap(buf []byte) (int, []net.IP, error) {
}
buf = buf[12:]
if len(buf)%16 != 0 {
err := fmt.Errorf("DecodeSEG6Encap: error parsing Segment List (buf len: %d)\n", len(buf))
err := fmt.Errorf("DecodeSEG6Encap: error parsing Segment List (buf len: %d)", len(buf))
return mode, nil, err
}
for len(buf) > 0 {

9
vendor/github.com/vishvananda/netlink/nl/syscall.go generated vendored
View file

@ -1,6 +1,6 @@
package nl
// syscall package lack of rule atributes type.
// syscall package lack of rule attributes type.
// Thus there are defined below
const (
FRA_UNSPEC = iota
@ -21,6 +21,13 @@ const (
FRA_TABLE /* Extended table id */
FRA_FWMASK /* mask for netfilter mark */
FRA_OIFNAME
FRA_PAD
FRA_L3MDEV /* iif or oif is l3mdev goto its table */
FRA_UID_RANGE /* UID range */
FRA_PROTOCOL /* Originator of the rule */
FRA_IP_PROTO /* ip proto */
FRA_SPORT_RANGE /* sport */
FRA_DPORT_RANGE /* dport */
)
// ip rule netlink request types

247
vendor/github.com/vishvananda/netlink/nl/tc_linux.go generated vendored
View file

@ -90,10 +90,14 @@ const (
SizeofTcU32Sel = 0x10 // without keys
SizeofTcGen = 0x14
SizeofTcConnmark = SizeofTcGen + 0x04
SizeofTcCsum = SizeofTcGen + 0x04
SizeofTcMirred = SizeofTcGen + 0x08
SizeofTcTunnelKey = SizeofTcGen + 0x04
SizeofTcSkbEdit = SizeofTcGen
SizeofTcPolice = 2*SizeofTcRateSpec + 0x20
SizeofTcSfqQopt = 0x0b
SizeofTcSfqRedStats = 0x18
SizeofTcSfqQoptV1 = SizeofTcSfqQopt + SizeofTcSfqRedStats + 0x1c
)
// struct tcmsg {
@ -691,6 +695,36 @@ func (x *TcConnmark) Serialize() []byte {
return (*(*[SizeofTcConnmark]byte)(unsafe.Pointer(x)))[:]
}
const (
TCA_CSUM_UNSPEC = iota
TCA_CSUM_PARMS
TCA_CSUM_TM
TCA_CSUM_PAD
TCA_CSUM_MAX = TCA_CSUM_PAD
)
// struct tc_csum {
// tc_gen;
// __u32 update_flags;
// }
type TcCsum struct {
TcGen
UpdateFlags uint32
}
func (msg *TcCsum) Len() int {
return SizeofTcCsum
}
func DeserializeTcCsum(b []byte) *TcCsum {
return (*TcCsum)(unsafe.Pointer(&b[0:SizeofTcCsum][0]))
}
func (x *TcCsum) Serialize() []byte {
return (*(*[SizeofTcCsum]byte)(unsafe.Pointer(x)))[:]
}
const (
TCA_ACT_MIRRED = 8
)
@ -735,7 +769,13 @@ const (
TCA_TUNNEL_KEY_ENC_IPV6_SRC
TCA_TUNNEL_KEY_ENC_IPV6_DST
TCA_TUNNEL_KEY_ENC_KEY_ID
TCA_TUNNEL_KEY_MAX = TCA_TUNNEL_KEY_ENC_KEY_ID
TCA_TUNNEL_KEY_PAD
TCA_TUNNEL_KEY_ENC_DST_PORT
TCA_TUNNEL_KEY_NO_CSUM
TCA_TUNNEL_KEY_ENC_OPTS
TCA_TUNNEL_KEY_ENC_TOS
TCA_TUNNEL_KEY_ENC_TTL
TCA_TUNNEL_KEY_MAX
)
type TcTunnelKey struct {
@ -872,3 +912,208 @@ const (
TCA_HFSC_FSC
TCA_HFSC_USC
)
const (
TCA_FLOWER_UNSPEC = iota
TCA_FLOWER_CLASSID
TCA_FLOWER_INDEV
TCA_FLOWER_ACT
TCA_FLOWER_KEY_ETH_DST /* ETH_ALEN */
TCA_FLOWER_KEY_ETH_DST_MASK /* ETH_ALEN */
TCA_FLOWER_KEY_ETH_SRC /* ETH_ALEN */
TCA_FLOWER_KEY_ETH_SRC_MASK /* ETH_ALEN */
TCA_FLOWER_KEY_ETH_TYPE /* be16 */
TCA_FLOWER_KEY_IP_PROTO /* u8 */
TCA_FLOWER_KEY_IPV4_SRC /* be32 */
TCA_FLOWER_KEY_IPV4_SRC_MASK /* be32 */
TCA_FLOWER_KEY_IPV4_DST /* be32 */
TCA_FLOWER_KEY_IPV4_DST_MASK /* be32 */
TCA_FLOWER_KEY_IPV6_SRC /* struct in6_addr */
TCA_FLOWER_KEY_IPV6_SRC_MASK /* struct in6_addr */
TCA_FLOWER_KEY_IPV6_DST /* struct in6_addr */
TCA_FLOWER_KEY_IPV6_DST_MASK /* struct in6_addr */
TCA_FLOWER_KEY_TCP_SRC /* be16 */
TCA_FLOWER_KEY_TCP_DST /* be16 */
TCA_FLOWER_KEY_UDP_SRC /* be16 */
TCA_FLOWER_KEY_UDP_DST /* be16 */
TCA_FLOWER_FLAGS
TCA_FLOWER_KEY_VLAN_ID /* be16 */
TCA_FLOWER_KEY_VLAN_PRIO /* u8 */
TCA_FLOWER_KEY_VLAN_ETH_TYPE /* be16 */
TCA_FLOWER_KEY_ENC_KEY_ID /* be32 */
TCA_FLOWER_KEY_ENC_IPV4_SRC /* be32 */
TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK /* be32 */
TCA_FLOWER_KEY_ENC_IPV4_DST /* be32 */
TCA_FLOWER_KEY_ENC_IPV4_DST_MASK /* be32 */
TCA_FLOWER_KEY_ENC_IPV6_SRC /* struct in6_addr */
TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK /* struct in6_addr */
TCA_FLOWER_KEY_ENC_IPV6_DST /* struct in6_addr */
TCA_FLOWER_KEY_ENC_IPV6_DST_MASK /* struct in6_addr */
TCA_FLOWER_KEY_TCP_SRC_MASK /* be16 */
TCA_FLOWER_KEY_TCP_DST_MASK /* be16 */
TCA_FLOWER_KEY_UDP_SRC_MASK /* be16 */
TCA_FLOWER_KEY_UDP_DST_MASK /* be16 */
TCA_FLOWER_KEY_SCTP_SRC_MASK /* be16 */
TCA_FLOWER_KEY_SCTP_DST_MASK /* be16 */
TCA_FLOWER_KEY_SCTP_SRC /* be16 */
TCA_FLOWER_KEY_SCTP_DST /* be16 */
TCA_FLOWER_KEY_ENC_UDP_SRC_PORT /* be16 */
TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK /* be16 */
TCA_FLOWER_KEY_ENC_UDP_DST_PORT /* be16 */
TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK /* be16 */
TCA_FLOWER_KEY_FLAGS /* be32 */
TCA_FLOWER_KEY_FLAGS_MASK /* be32 */
TCA_FLOWER_KEY_ICMPV4_CODE /* u8 */
TCA_FLOWER_KEY_ICMPV4_CODE_MASK /* u8 */
TCA_FLOWER_KEY_ICMPV4_TYPE /* u8 */
TCA_FLOWER_KEY_ICMPV4_TYPE_MASK /* u8 */
TCA_FLOWER_KEY_ICMPV6_CODE /* u8 */
TCA_FLOWER_KEY_ICMPV6_CODE_MASK /* u8 */
TCA_FLOWER_KEY_ICMPV6_TYPE /* u8 */
TCA_FLOWER_KEY_ICMPV6_TYPE_MASK /* u8 */
TCA_FLOWER_KEY_ARP_SIP /* be32 */
TCA_FLOWER_KEY_ARP_SIP_MASK /* be32 */
TCA_FLOWER_KEY_ARP_TIP /* be32 */
TCA_FLOWER_KEY_ARP_TIP_MASK /* be32 */
TCA_FLOWER_KEY_ARP_OP /* u8 */
TCA_FLOWER_KEY_ARP_OP_MASK /* u8 */
TCA_FLOWER_KEY_ARP_SHA /* ETH_ALEN */
TCA_FLOWER_KEY_ARP_SHA_MASK /* ETH_ALEN */
TCA_FLOWER_KEY_ARP_THA /* ETH_ALEN */
TCA_FLOWER_KEY_ARP_THA_MASK /* ETH_ALEN */
TCA_FLOWER_KEY_MPLS_TTL /* u8 - 8 bits */
TCA_FLOWER_KEY_MPLS_BOS /* u8 - 1 bit */
TCA_FLOWER_KEY_MPLS_TC /* u8 - 3 bits */
TCA_FLOWER_KEY_MPLS_LABEL /* be32 - 20 bits */
TCA_FLOWER_KEY_TCP_FLAGS /* be16 */
TCA_FLOWER_KEY_TCP_FLAGS_MASK /* be16 */
TCA_FLOWER_KEY_IP_TOS /* u8 */
TCA_FLOWER_KEY_IP_TOS_MASK /* u8 */
TCA_FLOWER_KEY_IP_TTL /* u8 */
TCA_FLOWER_KEY_IP_TTL_MASK /* u8 */
TCA_FLOWER_KEY_CVLAN_ID /* be16 */
TCA_FLOWER_KEY_CVLAN_PRIO /* u8 */
TCA_FLOWER_KEY_CVLAN_ETH_TYPE /* be16 */
TCA_FLOWER_KEY_ENC_IP_TOS /* u8 */
TCA_FLOWER_KEY_ENC_IP_TOS_MASK /* u8 */
TCA_FLOWER_KEY_ENC_IP_TTL /* u8 */
TCA_FLOWER_KEY_ENC_IP_TTL_MASK /* u8 */
TCA_FLOWER_KEY_ENC_OPTS
TCA_FLOWER_KEY_ENC_OPTS_MASK
__TCA_FLOWER_MAX
)
// struct tc_sfq_qopt {
// unsigned quantum; /* Bytes per round allocated to flow */
// int perturb_period; /* Period of hash perturbation */
// __u32 limit; /* Maximal packets in queue */
// unsigned divisor; /* Hash divisor */
// unsigned flows; /* Maximal number of flows */
// };
type TcSfqQopt struct {
Quantum uint8
Perturb int32
Limit uint32
Divisor uint8
Flows uint8
}
func (x *TcSfqQopt) Len() int {
return SizeofTcSfqQopt
}
func DeserializeTcSfqQopt(b []byte) *TcSfqQopt {
return (*TcSfqQopt)(unsafe.Pointer(&b[0:SizeofTcSfqQopt][0]))
}
func (x *TcSfqQopt) Serialize() []byte {
return (*(*[SizeofTcSfqQopt]byte)(unsafe.Pointer(x)))[:]
}
// struct tc_sfqred_stats {
// __u32 prob_drop; /* Early drops, below max threshold */
// __u32 forced_drop; /* Early drops, after max threshold */
// __u32 prob_mark; /* Marked packets, below max threshold */
// __u32 forced_mark; /* Marked packets, after max threshold */
// __u32 prob_mark_head; /* Marked packets, below max threshold */
// __u32 forced_mark_head;/* Marked packets, after max threshold */
// };
type TcSfqRedStats struct {
ProbDrop uint32
ForcedDrop uint32
ProbMark uint32
ForcedMark uint32
ProbMarkHead uint32
ForcedMarkHead uint32
}
func (x *TcSfqRedStats) Len() int {
return SizeofTcSfqRedStats
}
func DeserializeTcSfqRedStats(b []byte) *TcSfqRedStats {
return (*TcSfqRedStats)(unsafe.Pointer(&b[0:SizeofTcSfqRedStats][0]))
}
func (x *TcSfqRedStats) Serialize() []byte {
return (*(*[SizeofTcSfqRedStats]byte)(unsafe.Pointer(x)))[:]
}
// struct tc_sfq_qopt_v1 {
// struct tc_sfq_qopt v0;
// unsigned int depth; /* max number of packets per flow */
// unsigned int headdrop;
// /* SFQRED parameters */
// __u32 limit; /* HARD maximal flow queue length (bytes) */
// __u32 qth_min; /* Min average length threshold (bytes) */
// __u32 qth_max; /* Max average length threshold (bytes) */
// unsigned char Wlog; /* log(W) */
// unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */
// unsigned char Scell_log; /* cell size for idle damping */
// unsigned char flags;
// __u32 max_P; /* probability, high resolution */
// /* SFQRED stats */
// struct tc_sfqred_stats stats;
// };
type TcSfqQoptV1 struct {
TcSfqQopt
Depth uint32
HeadDrop uint32
Limit uint32
QthMin uint32
QthMax uint32
Wlog byte
Plog byte
ScellLog byte
Flags byte
MaxP uint32
TcSfqRedStats
}
func (x *TcSfqQoptV1) Len() int {
return SizeofTcSfqQoptV1
}
func DeserializeTcSfqQoptV1(b []byte) *TcSfqQoptV1 {
return (*TcSfqQoptV1)(unsafe.Pointer(&b[0:SizeofTcSfqQoptV1][0]))
}
func (x *TcSfqQoptV1) Serialize() []byte {
return (*(*[SizeofTcSfqQoptV1]byte)(unsafe.Pointer(x)))[:]
}

2
vendor/github.com/vishvananda/netlink/nl/xfrm_state_linux.go generated vendored
View file

@ -13,7 +13,7 @@ const (
SizeofXfrmAlgoAuth = 0x48
SizeofXfrmAlgoAEAD = 0x48
SizeofXfrmEncapTmpl = 0x18
SizeofXfrmUsersaFlush = 0x8
SizeofXfrmUsersaFlush = 0x1
SizeofXfrmReplayStateEsn = 0x18
)

217
vendor/github.com/vishvananda/netlink/proc_event_linux.go generated vendored Normal file
View file

@ -0,0 +1,217 @@
package netlink
import (
"bytes"
"encoding/binary"
"fmt"
"os"
"syscall"
"github.com/vishvananda/netlink/nl"
"github.com/vishvananda/netns"
"golang.org/x/sys/unix"
)
const CN_IDX_PROC = 0x1
const (
PROC_EVENT_NONE = 0x00000000
PROC_EVENT_FORK = 0x00000001
PROC_EVENT_EXEC = 0x00000002
PROC_EVENT_UID = 0x00000004
PROC_EVENT_GID = 0x00000040
PROC_EVENT_SID = 0x00000080
PROC_EVENT_PTRACE = 0x00000100
PROC_EVENT_COMM = 0x00000200
PROC_EVENT_COREDUMP = 0x40000000
PROC_EVENT_EXIT = 0x80000000
)
const (
CN_VAL_PROC = 0x1
PROC_CN_MCAST_LISTEN = 0x1
)
type ProcEventMsg interface {
Pid() uint32
Tgid() uint32
}
type ProcEventHeader struct {
What uint32
CPU uint32
Timestamp uint64
}
type ProcEvent struct {
ProcEventHeader
Msg ProcEventMsg
}
func (pe *ProcEvent) setHeader(h ProcEventHeader) {
pe.What = h.What
pe.CPU = h.CPU
pe.Timestamp = h.Timestamp
}
type ExitProcEvent struct {
ProcessPid uint32
ProcessTgid uint32
ExitCode uint32
ExitSignal uint32
ParentPid uint32
ParentTgid uint32
}
type ExitProcEvent2 struct {
ProcessPid uint32
ProcessTgid uint32
ExitCode uint32
ExitSignal uint32
ParentPid uint32
ParentTgid uint32
}
func (e *ExitProcEvent) Pid() uint32 {
return e.ProcessPid
}
func (e *ExitProcEvent) Tgid() uint32 {
return e.ProcessTgid
}
type ExecProcEvent struct {
ProcessPid uint32
ProcessTgid uint32
}
func (e *ExecProcEvent) Pid() uint32 {
return e.ProcessPid
}
func (e *ExecProcEvent) Tgid() uint32 {
return e.ProcessTgid
}
type ForkProcEvent struct {
ParentPid uint32
ParentTgid uint32
ChildPid uint32
ChildTgid uint32
}
func (e *ForkProcEvent) Pid() uint32 {
return e.ParentPid
}
func (e *ForkProcEvent) Tgid() uint32 {
return e.ParentTgid
}
type CommProcEvent struct {
ProcessPid uint32
ProcessTgid uint32
Comm [16]byte
}
func (e *CommProcEvent) Pid() uint32 {
return e.ProcessPid
}
func (e *CommProcEvent) Tgid() uint32 {
return e.ProcessTgid
}
func ProcEventMonitor(ch chan<- ProcEvent, done <-chan struct{}, errorChan chan<- error) error {
h, err := NewHandle()
if err != nil {
return err
}
defer h.Delete()
s, err := nl.SubscribeAt(netns.None(), netns.None(), unix.NETLINK_CONNECTOR, CN_IDX_PROC)
if err != nil {
return err
}
var nlmsg nl.NetlinkRequest
nlmsg.Pid = uint32(os.Getpid())
nlmsg.Type = unix.NLMSG_DONE
nlmsg.Len = uint32(unix.SizeofNlMsghdr)
cm := nl.NewCnMsg(CN_IDX_PROC, CN_VAL_PROC, PROC_CN_MCAST_LISTEN)
nlmsg.AddData(cm)
s.Send(&nlmsg)
if done != nil {
go func() {
<-done
s.Close()
}()
}
go func() {
defer close(ch)
for {
msgs, from, err := s.Receive()
if err != nil {
errorChan <- err
return
}
if from.Pid != nl.PidKernel {
errorChan <- fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel)
return
}
for _, m := range msgs {
e := parseNetlinkMessage(m)
if e != nil {
ch <- *e
}
}
}
}()
return nil
}
func parseNetlinkMessage(m syscall.NetlinkMessage) *ProcEvent {
if m.Header.Type == unix.NLMSG_DONE {
buf := bytes.NewBuffer(m.Data)
msg := &nl.CnMsg{}
hdr := &ProcEventHeader{}
binary.Read(buf, nl.NativeEndian(), msg)
binary.Read(buf, nl.NativeEndian(), hdr)
pe := &ProcEvent{}
pe.setHeader(*hdr)
switch hdr.What {
case PROC_EVENT_EXIT:
event := &ExitProcEvent{}
binary.Read(buf, nl.NativeEndian(), event)
pe.Msg = event
return pe
case PROC_EVENT_FORK:
event := &ForkProcEvent{}
binary.Read(buf, nl.NativeEndian(), event)
pe.Msg = event
return pe
case PROC_EVENT_EXEC:
event := &ExecProcEvent{}
binary.Read(buf, nl.NativeEndian(), event)
pe.Msg = event
return pe
case PROC_EVENT_COMM:
event := &CommProcEvent{}
binary.Read(buf, nl.NativeEndian(), event)
pe.Msg = event
return pe
}
return nil
}
return nil
}

40
vendor/github.com/vishvananda/netlink/qdisc.go generated vendored
View file

@ -308,13 +308,15 @@ func (qdisc *Fq) Type() string {
// FQ_Codel (Fair Queuing Controlled Delay) is queuing discipline that combines Fair Queuing with the CoDel AQM scheme.
type FqCodel struct {
QdiscAttrs
Target uint32
Limit uint32
Interval uint32
ECN uint32
Flows uint32
Quantum uint32
// There are some more attributes here, but support for them seems not ubiquitous
Target uint32
Limit uint32
Interval uint32
ECN uint32
Flows uint32
Quantum uint32
CEThreshold uint32
DropBatchSize uint32
MemoryLimit uint32
}
func (fqcodel *FqCodel) String() string {
@ -338,3 +340,27 @@ func (qdisc *FqCodel) Attrs() *QdiscAttrs {
func (qdisc *FqCodel) Type() string {
return "fq_codel"
}
type Sfq struct {
QdiscAttrs
// TODO: Only the simplified options for SFQ are handled here. Support for the extended one can be added later.
Quantum uint8
Perturb uint8
Limit uint32
Divisor uint8
}
func (sfq *Sfq) String() string {
return fmt.Sprintf(
"{%v -- Quantum: %v, Perturb: %v, Limit: %v, Divisor: %v}",
sfq.Attrs(), sfq.Quantum, sfq.Perturb, sfq.Limit, sfq.Divisor,
)
}
func (qdisc *Sfq) Attrs() *QdiscAttrs {
return &qdisc.QdiscAttrs
}
func (qdisc *Sfq) Type() string {
return "sfq"
}

66
vendor/github.com/vishvananda/netlink/qdisc_linux.go generated vendored
View file

@ -250,7 +250,15 @@ func qdiscPayload(req *nl.NetlinkRequest, qdisc Qdisc) error {
if qdisc.Quantum > 0 {
options.AddRtAttr(nl.TCA_FQ_CODEL_QUANTUM, nl.Uint32Attr((uint32(qdisc.Quantum))))
}
if qdisc.CEThreshold > 0 {
options.AddRtAttr(nl.TCA_FQ_CODEL_CE_THRESHOLD, nl.Uint32Attr(qdisc.CEThreshold))
}
if qdisc.DropBatchSize > 0 {
options.AddRtAttr(nl.TCA_FQ_CODEL_DROP_BATCH_SIZE, nl.Uint32Attr(qdisc.DropBatchSize))
}
if qdisc.MemoryLimit > 0 {
options.AddRtAttr(nl.TCA_FQ_CODEL_MEMORY_LIMIT, nl.Uint32Attr(qdisc.MemoryLimit))
}
case *Fq:
options.AddRtAttr(nl.TCA_FQ_RATE_ENABLE, nl.Uint32Attr((uint32(qdisc.Pacing))))
@ -278,6 +286,14 @@ func qdiscPayload(req *nl.NetlinkRequest, qdisc Qdisc) error {
if qdisc.FlowDefaultRate > 0 {
options.AddRtAttr(nl.TCA_FQ_FLOW_DEFAULT_RATE, nl.Uint32Attr((uint32(qdisc.FlowDefaultRate))))
}
case *Sfq:
opt := nl.TcSfqQoptV1{}
opt.TcSfqQopt.Quantum = qdisc.Quantum
opt.TcSfqQopt.Perturb = int32(qdisc.Perturb)
opt.TcSfqQopt.Limit = qdisc.Limit
opt.TcSfqQopt.Divisor = qdisc.Divisor
options = nl.NewRtAttr(nl.TCA_OPTIONS, opt.Serialize())
default:
options = nil
}
@ -362,6 +378,8 @@ func (h *Handle) QdiscList(link Link) ([]Qdisc, error) {
qdisc = &FqCodel{}
case "netem":
qdisc = &Netem{}
case "sfq":
qdisc = &Sfq{}
default:
qdisc = &GenericQdisc{QdiscType: qdiscType}
}
@ -417,6 +435,10 @@ func (h *Handle) QdiscList(link Link) ([]Qdisc, error) {
if err := parseNetemData(qdisc, attr.Value); err != nil {
return nil, err
}
case "sfq":
if err := parseSfqData(qdisc, attr.Value); err != nil {
return nil, err
}
// no options for ingress
}
@ -446,7 +468,6 @@ func parsePrioData(qdisc Qdisc, value []byte) error {
}
func parseHtbData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
native = nl.NativeEndian()
htb := qdisc.(*Htb)
for _, datum := range data {
switch datum.Attr.Type {
@ -466,7 +487,6 @@ func parseHtbData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
}
func parseFqCodelData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
native = nl.NativeEndian()
fqCodel := qdisc.(*FqCodel)
for _, datum := range data {
@ -483,6 +503,12 @@ func parseFqCodelData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
fqCodel.Flows = native.Uint32(datum.Value)
case nl.TCA_FQ_CODEL_QUANTUM:
fqCodel.Quantum = native.Uint32(datum.Value)
case nl.TCA_FQ_CODEL_CE_THRESHOLD:
fqCodel.CEThreshold = native.Uint32(datum.Value)
case nl.TCA_FQ_CODEL_DROP_BATCH_SIZE:
fqCodel.DropBatchSize = native.Uint32(datum.Value)
case nl.TCA_FQ_CODEL_MEMORY_LIMIT:
fqCodel.MemoryLimit = native.Uint32(datum.Value)
}
}
return nil
@ -490,13 +516,11 @@ func parseFqCodelData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
func parseHfscData(qdisc Qdisc, data []byte) error {
Hfsc := qdisc.(*Hfsc)
native = nl.NativeEndian()
Hfsc.Defcls = native.Uint16(data)
return nil
}
func parseFqData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
native = nl.NativeEndian()
fq := qdisc.(*Fq)
for _, datum := range data {
switch datum.Attr.Type {
@ -561,7 +585,6 @@ func parseNetemData(qdisc Qdisc, value []byte) error {
}
func parseTbfData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
native = nl.NativeEndian()
tbf := qdisc.(*Tbf)
for _, datum := range data {
switch datum.Attr.Type {
@ -582,6 +605,17 @@ func parseTbfData(qdisc Qdisc, data []syscall.NetlinkRouteAttr) error {
return nil
}
func parseSfqData(qdisc Qdisc, value []byte) error {
sfq := qdisc.(*Sfq)
opt := nl.DeserializeTcSfqQoptV1(value)
sfq.Quantum = opt.TcSfqQopt.Quantum
sfq.Perturb = uint8(opt.TcSfqQopt.Perturb)
sfq.Limit = opt.TcSfqQopt.Limit
sfq.Divisor = opt.TcSfqQopt.Divisor
return nil
}
const (
TIME_UNITS_PER_SEC = 1000000
)
@ -598,10 +632,10 @@ func initClock() {
return
}
parts := strings.Split(strings.TrimSpace(string(data)), " ")
if len(parts) < 3 {
if len(parts) < 4 {
return
}
var vals [3]uint64
var vals [4]uint64
for i := range vals {
val, err := strconv.ParseUint(parts[i], 16, 32)
if err != nil {
@ -615,7 +649,12 @@ func initClock() {
}
clockFactor = float64(vals[2]) / TIME_UNITS_PER_SEC
tickInUsec = float64(vals[0]) / float64(vals[1]) * clockFactor
hz = float64(vals[0])
if vals[2] == 1000000 {
// ref https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/tree/lib/utils.c#n963
hz = float64(vals[3])
} else {
hz = 100
}
}
func TickInUsec() float64 {
@ -663,6 +702,11 @@ func latency(rate uint64, limit, buffer uint32) float64 {
return TIME_UNITS_PER_SEC*(float64(limit)/float64(rate)) - float64(tick2Time(buffer))
}
func Xmittime(rate uint64, size uint32) float64 {
return TickInUsec() * TIME_UNITS_PER_SEC * (float64(size) / float64(rate))
func Xmittime(rate uint64, size uint32) uint32 {
// https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/tree/tc/tc_core.c#n62
return time2Tick(uint32(TIME_UNITS_PER_SEC * (float64(size) / float64(rate))))
}
func Xmitsize(rate uint64, ticks uint32) uint32 {
return uint32((float64(rate) * float64(tick2Time(ticks))) / TIME_UNITS_PER_SEC)
}

97
vendor/github.com/vishvananda/netlink/rdma_link_linux.go generated vendored
View file

@ -77,28 +77,39 @@ func executeOneGetRdmaLink(data []byte) (*RdmaLink, error) {
return &link, nil
}
func execRdmaGetLink(req *nl.NetlinkRequest, name string) (*RdmaLink, error) {
func execRdmaSetLink(req *nl.NetlinkRequest) error {
_, err := req.Execute(unix.NETLINK_RDMA, 0)
return err
}
// RdmaLinkList gets a list of RDMA link devices.
// Equivalent to: `rdma dev show`
func RdmaLinkList() ([]*RdmaLink, error) {
return pkgHandle.RdmaLinkList()
}
// RdmaLinkList gets a list of RDMA link devices.
// Equivalent to: `rdma dev show`
func (h *Handle) RdmaLinkList() ([]*RdmaLink, error) {
proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_GET)
req := h.newNetlinkRequest(proto, unix.NLM_F_ACK|unix.NLM_F_DUMP)
msgs, err := req.Execute(unix.NETLINK_RDMA, 0)
if err != nil {
return nil, err
}
var res []*RdmaLink
for _, m := range msgs {
link, err := executeOneGetRdmaLink(m)
if err != nil {
return nil, err
}
if link.Attrs.Name == name {
return link, nil
}
res = append(res, link)
}
return nil, fmt.Errorf("Rdma device %v not found", name)
}
func execRdmaSetLink(req *nl.NetlinkRequest) error {
_, err := req.Execute(unix.NETLINK_RDMA, 0)
return err
return res, nil
}
// RdmaLinkByName finds a link by name and returns a pointer to the object if
@ -110,11 +121,16 @@ func RdmaLinkByName(name string) (*RdmaLink, error) {
// RdmaLinkByName finds a link by name and returns a pointer to the object if
// found and nil error, otherwise returns error code.
func (h *Handle) RdmaLinkByName(name string) (*RdmaLink, error) {
proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_GET)
req := h.newNetlinkRequest(proto, unix.NLM_F_ACK|unix.NLM_F_DUMP)
return execRdmaGetLink(req, name)
links, err := h.RdmaLinkList()
if err != nil {
return nil, err
}
for _, link := range links {
if link.Attrs.Name == name {
return link, nil
}
}
return nil, fmt.Errorf("Rdma device %v not found", name)
}
// RdmaLinkSetName sets the name of the rdma link device. Return nil on success
@ -262,3 +278,54 @@ func (h *Handle) RdmaLinkSetNsFd(link *RdmaLink, fd uint32) error {
return execRdmaSetLink(req)
}
// RdmaLinkDel deletes an rdma link
//
// Similar to: rdma link delete NAME
// REF: https://man7.org/linux/man-pages/man8/rdma-link.8.html
func RdmaLinkDel(name string) error {
return pkgHandle.RdmaLinkDel(name)
}
// RdmaLinkDel deletes an rdma link.
func (h *Handle) RdmaLinkDel(name string) error {
link, err := h.RdmaLinkByName(name)
if err != nil {
return err
}
proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_DELLINK)
req := h.newNetlinkRequest(proto, unix.NLM_F_ACK)
b := make([]byte, 4)
native.PutUint32(b, link.Attrs.Index)
req.AddData(nl.NewRtAttr(nl.RDMA_NLDEV_ATTR_DEV_INDEX, b))
_, err = req.Execute(unix.NETLINK_RDMA, 0)
return err
}
// RdmaLinkAdd adds an rdma link for the specified type to the network device.
// Similar to: rdma link add NAME type TYPE netdev NETDEV
// NAME - specifies the new name of the rdma link to add
// TYPE - specifies which rdma type to use. Link types:
// rxe - Soft RoCE driver
// siw - Soft iWARP driver
// NETDEV - specifies the network device to which the link is bound
//
// REF: https://man7.org/linux/man-pages/man8/rdma-link.8.html
func RdmaLinkAdd(linkName, linkType, netdev string) error {
return pkgHandle.RdmaLinkAdd(linkName, linkType, netdev)
}
// RdmaLinkAdd adds an rdma link for the specified type to the network device.
func (h *Handle) RdmaLinkAdd(linkName string, linkType string, netdev string) error {
proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_NEWLINK)
req := h.newNetlinkRequest(proto, unix.NLM_F_ACK)
req.AddData(nl.NewRtAttr(nl.RDMA_NLDEV_ATTR_DEV_NAME, nl.ZeroTerminated(linkName)))
req.AddData(nl.NewRtAttr(nl.RDMA_NLDEV_ATTR_LINK_TYPE, nl.ZeroTerminated(linkType)))
req.AddData(nl.NewRtAttr(nl.RDMA_NLDEV_ATTR_NDEV_NAME, nl.ZeroTerminated(netdev)))
_, err := req.Execute(unix.NETLINK_RDMA, 0)
return err
}

85
vendor/github.com/vishvananda/netlink/route.go generated vendored
View file

@ -11,6 +11,24 @@ type Scope uint8
type NextHopFlag int
const (
RT_FILTER_PROTOCOL uint64 = 1 << (1 + iota)
RT_FILTER_SCOPE
RT_FILTER_TYPE
RT_FILTER_TOS
RT_FILTER_IIF
RT_FILTER_OIF
RT_FILTER_DST
RT_FILTER_SRC
RT_FILTER_GW
RT_FILTER_TABLE
RT_FILTER_HOPLIMIT
RT_FILTER_PRIORITY
RT_FILTER_MARK
RT_FILTER_MASK
RT_FILTER_REALM
)
type Destination interface {
Family() int
Decode([]byte) error
@ -27,27 +45,46 @@ type Encap interface {
Equal(Encap) bool
}
//Protocol describe what was the originator of the route
type RouteProtocol int
// Route represents a netlink route.
type Route struct {
LinkIndex int
ILinkIndex int
Scope Scope
Dst *net.IPNet
Src net.IP
Gw net.IP
MultiPath []*NexthopInfo
Protocol int
Priority int
Table int
Type int
Tos int
Flags int
MPLSDst *int
NewDst Destination
Encap Encap
MTU int
AdvMSS int
Hoplimit int
LinkIndex int
ILinkIndex int
Scope Scope
Dst *net.IPNet
Src net.IP
Gw net.IP
MultiPath []*NexthopInfo
Protocol RouteProtocol
Priority int
Family int
Table int
Type int
Tos int
Flags int
MPLSDst *int
NewDst Destination
Encap Encap
Via Destination
Realm int
MTU int
Window int
Rtt int
RttVar int
Ssthresh int
Cwnd int
AdvMSS int
Reordering int
Hoplimit int
InitCwnd int
Features int
RtoMin int
InitRwnd int
QuickACK int
Congctl string
FastOpenNoCookie int
}
func (r Route) String() string {
@ -66,6 +103,9 @@ func (r Route) String() string {
if r.Encap != nil {
elems = append(elems, fmt.Sprintf("Encap: %s", r.Encap))
}
if r.Via != nil {
elems = append(elems, fmt.Sprintf("Via: %s", r.Via))
}
elems = append(elems, fmt.Sprintf("Src: %s", r.Src))
if len(r.MultiPath) > 0 {
elems = append(elems, fmt.Sprintf("Gw: %s", r.MultiPath))
@ -74,6 +114,7 @@ func (r Route) String() string {
}
elems = append(elems, fmt.Sprintf("Flags: %s", r.ListFlags()))
elems = append(elems, fmt.Sprintf("Table: %d", r.Table))
elems = append(elems, fmt.Sprintf("Realm: %d", r.Realm))
return fmt.Sprintf("{%s}", strings.Join(elems, " "))
}
@ -87,6 +128,7 @@ func (r Route) Equal(x Route) bool {
nexthopInfoSlice(r.MultiPath).Equal(x.MultiPath) &&
r.Protocol == x.Protocol &&
r.Priority == x.Priority &&
r.Realm == x.Realm &&
r.Table == x.Table &&
r.Type == x.Type &&
r.Tos == x.Tos &&
@ -94,6 +136,7 @@ func (r Route) Equal(x Route) bool {
r.Flags == x.Flags &&
(r.MPLSDst == x.MPLSDst || (r.MPLSDst != nil && x.MPLSDst != nil && *r.MPLSDst == *x.MPLSDst)) &&
(r.NewDst == x.NewDst || (r.NewDst != nil && r.NewDst.Equal(x.NewDst))) &&
(r.Via == x.Via || (r.Via != nil && r.Via.Equal(x.Via))) &&
(r.Encap == x.Encap || (r.Encap != nil && r.Encap.Equal(x.Encap)))
}
@ -123,6 +166,7 @@ type NexthopInfo struct {
Flags int
NewDst Destination
Encap Encap
Via Destination
}
func (n *NexthopInfo) String() string {
@ -134,6 +178,9 @@ func (n *NexthopInfo) String() string {
if n.Encap != nil {
elems = append(elems, fmt.Sprintf("Encap: %s", n.Encap))
}
if n.Via != nil {
elems = append(elems, fmt.Sprintf("Via: %s", n.Via))
}
elems = append(elems, fmt.Sprintf("Weight: %d", n.Hops+1))
elems = append(elems, fmt.Sprintf("Gw: %s", n.Gw))
elems = append(elems, fmt.Sprintf("Flags: %s", n.ListFlags()))

552
vendor/github.com/vishvananda/netlink/route_linux.go generated vendored
View file

@ -1,8 +1,11 @@
package netlink
import (
"bytes"
"encoding/binary"
"fmt"
"net"
"strconv"
"strings"
"syscall"
@ -21,19 +24,23 @@ const (
SCOPE_NOWHERE Scope = unix.RT_SCOPE_NOWHERE
)
const (
RT_FILTER_PROTOCOL uint64 = 1 << (1 + iota)
RT_FILTER_SCOPE
RT_FILTER_TYPE
RT_FILTER_TOS
RT_FILTER_IIF
RT_FILTER_OIF
RT_FILTER_DST
RT_FILTER_SRC
RT_FILTER_GW
RT_FILTER_TABLE
RT_FILTER_HOPLIMIT
)
func (s Scope) String() string {
switch s {
case SCOPE_UNIVERSE:
return "universe"
case SCOPE_SITE:
return "site"
case SCOPE_LINK:
return "link"
case SCOPE_HOST:
return "host"
case SCOPE_NOWHERE:
return "nowhere"
default:
return "unknown"
}
}
const (
FLAG_ONLINK NextHopFlag = unix.RTNH_F_ONLINK
@ -128,7 +135,6 @@ func (e *MPLSEncap) Decode(buf []byte) error {
if len(buf) < 4 {
return fmt.Errorf("lack of bytes")
}
native := nl.NativeEndian()
l := native.Uint16(buf)
if len(buf) < int(l) {
return fmt.Errorf("lack of bytes")
@ -144,7 +150,6 @@ func (e *MPLSEncap) Decode(buf []byte) error {
func (e *MPLSEncap) Encode() ([]byte, error) {
s := nl.EncodeMPLSStack(e.Labels...)
native := nl.NativeEndian()
hdr := make([]byte, 4)
native.PutUint16(hdr, uint16(len(s)+4))
native.PutUint16(hdr[2:], nl.MPLS_IPTUNNEL_DST)
@ -200,7 +205,6 @@ func (e *SEG6Encap) Decode(buf []byte) error {
if len(buf) < 4 {
return fmt.Errorf("lack of bytes")
}
native := nl.NativeEndian()
// Get Length(l) & Type(typ) : 2 + 2 bytes
l := native.Uint16(buf)
if len(buf) < int(l) {
@ -220,7 +224,6 @@ func (e *SEG6Encap) Decode(buf []byte) error {
}
func (e *SEG6Encap) Encode() ([]byte, error) {
s, err := nl.EncodeSEG6Encap(e.Mode, e.Segments)
native := nl.NativeEndian()
hdr := make([]byte, 4)
native.PutUint16(hdr, uint16(len(s)+4))
native.PutUint16(hdr[2:], nl.SEG6_IPTUNNEL_SRH)
@ -230,7 +233,7 @@ func (e *SEG6Encap) String() string {
segs := make([]string, 0, len(e.Segments))
// append segment backwards (from n to 0) since seg#0 is the last segment.
for i := len(e.Segments); i > 0; i-- {
segs = append(segs, fmt.Sprintf("%s", e.Segments[i-1]))
segs = append(segs, e.Segments[i-1].String())
}
str := fmt.Sprintf("mode %s segs %d [ %s ]", nl.SEG6EncapModeString(e.Mode),
len(e.Segments), strings.Join(segs, " "))
@ -281,7 +284,6 @@ func (e *SEG6LocalEncap) Decode(buf []byte) error {
if err != nil {
return err
}
native := nl.NativeEndian()
for _, attr := range attrs {
switch attr.Attr.Type {
case nl.SEG6_LOCAL_ACTION:
@ -311,7 +313,6 @@ func (e *SEG6LocalEncap) Decode(buf []byte) error {
}
func (e *SEG6LocalEncap) Encode() ([]byte, error) {
var err error
native := nl.NativeEndian()
res := make([]byte, 8)
native.PutUint16(res, 8) // length
native.PutUint16(res[2:], nl.SEG6_LOCAL_ACTION)
@ -402,7 +403,7 @@ func (e *SEG6LocalEncap) String() string {
segs := make([]string, 0, len(e.Segments))
//append segment backwards (from n to 0) since seg#0 is the last segment.
for i := len(e.Segments); i > 0; i-- {
segs = append(segs, fmt.Sprintf("%s", e.Segments[i-1]))
segs = append(segs, e.Segments[i-1].String())
}
strs = append(strs, fmt.Sprintf("segs %d [ %s ]", len(e.Segments), strings.Join(segs, " ")))
}
@ -443,6 +444,207 @@ func (e *SEG6LocalEncap) Equal(x Encap) bool {
return true
}
// Encap BPF definitions
type bpfObj struct {
progFd int
progName string
}
type BpfEncap struct {
progs [nl.LWT_BPF_MAX]bpfObj
headroom int
}
// SetProg adds a bpf function to the route via netlink RTA_ENCAP. The fd must be a bpf
// program loaded with bpf(type=BPF_PROG_TYPE_LWT_*) matching the direction the program should
// be applied to (LWT_BPF_IN, LWT_BPF_OUT, LWT_BPF_XMIT).
func (e *BpfEncap) SetProg(mode, progFd int, progName string) error {
if progFd <= 0 {
return fmt.Errorf("lwt bpf SetProg: invalid fd")
}
if mode <= nl.LWT_BPF_UNSPEC || mode >= nl.LWT_BPF_XMIT_HEADROOM {
return fmt.Errorf("lwt bpf SetProg:invalid mode")
}
e.progs[mode].progFd = progFd
e.progs[mode].progName = fmt.Sprintf("%s[fd:%d]", progName, progFd)
return nil
}
// SetXmitHeadroom sets the xmit headroom (LWT_BPF_MAX_HEADROOM) via netlink RTA_ENCAP.
// maximum headroom is LWT_BPF_MAX_HEADROOM
func (e *BpfEncap) SetXmitHeadroom(headroom int) error {
if headroom > nl.LWT_BPF_MAX_HEADROOM || headroom < 0 {
return fmt.Errorf("invalid headroom size. range is 0 - %d", nl.LWT_BPF_MAX_HEADROOM)
}
e.headroom = headroom
return nil
}
func (e *BpfEncap) Type() int {
return nl.LWTUNNEL_ENCAP_BPF
}
func (e *BpfEncap) Decode(buf []byte) error {
if len(buf) < 4 {
return fmt.Errorf("lwt bpf decode: lack of bytes")
}
native := nl.NativeEndian()
attrs, err := nl.ParseRouteAttr(buf)
if err != nil {
return fmt.Errorf("lwt bpf decode: failed parsing attribute. err: %v", err)
}
for _, attr := range attrs {
if int(attr.Attr.Type) < 1 {
// nl.LWT_BPF_UNSPEC
continue
}
if int(attr.Attr.Type) > nl.LWT_BPF_MAX {
return fmt.Errorf("lwt bpf decode: received unknown attribute type: %d", attr.Attr.Type)
}
switch int(attr.Attr.Type) {
case nl.LWT_BPF_MAX_HEADROOM:
e.headroom = int(native.Uint32(attr.Value))
default:
bpfO := bpfObj{}
parsedAttrs, err := nl.ParseRouteAttr(attr.Value)
if err != nil {
return fmt.Errorf("lwt bpf decode: failed parsing route attribute")
}
for _, parsedAttr := range parsedAttrs {
switch int(parsedAttr.Attr.Type) {
case nl.LWT_BPF_PROG_FD:
bpfO.progFd = int(native.Uint32(parsedAttr.Value))
case nl.LWT_BPF_PROG_NAME:
bpfO.progName = string(parsedAttr.Value)
default:
return fmt.Errorf("lwt bpf decode: received unknown attribute: type: %d, len: %d", parsedAttr.Attr.Type, parsedAttr.Attr.Len)
}
}
e.progs[attr.Attr.Type] = bpfO
}
}
return nil
}
func (e *BpfEncap) Encode() ([]byte, error) {
buf := make([]byte, 0)
native = nl.NativeEndian()
for index, attr := range e.progs {
nlMsg := nl.NewRtAttr(index, []byte{})
if attr.progFd != 0 {
nlMsg.AddRtAttr(nl.LWT_BPF_PROG_FD, nl.Uint32Attr(uint32(attr.progFd)))
}
if attr.progName != "" {
nlMsg.AddRtAttr(nl.LWT_BPF_PROG_NAME, nl.ZeroTerminated(attr.progName))
}
if nlMsg.Len() > 4 {
buf = append(buf, nlMsg.Serialize()...)
}
}
if len(buf) <= 4 {
return nil, fmt.Errorf("lwt bpf encode: bpf obj definitions returned empty buffer")
}
if e.headroom > 0 {
hRoom := nl.NewRtAttr(nl.LWT_BPF_XMIT_HEADROOM, nl.Uint32Attr(uint32(e.headroom)))
buf = append(buf, hRoom.Serialize()...)
}
return buf, nil
}
func (e *BpfEncap) String() string {
progs := make([]string, 0)
for index, obj := range e.progs {
empty := bpfObj{}
switch index {
case nl.LWT_BPF_IN:
if obj != empty {
progs = append(progs, fmt.Sprintf("in: %s", obj.progName))
}
case nl.LWT_BPF_OUT:
if obj != empty {
progs = append(progs, fmt.Sprintf("out: %s", obj.progName))
}
case nl.LWT_BPF_XMIT:
if obj != empty {
progs = append(progs, fmt.Sprintf("xmit: %s", obj.progName))
}
}
}
if e.headroom > 0 {
progs = append(progs, fmt.Sprintf("xmit headroom: %d", e.headroom))
}
return strings.Join(progs, " ")
}
func (e *BpfEncap) Equal(x Encap) bool {
o, ok := x.(*BpfEncap)
if !ok {
return false
}
if e.headroom != o.headroom {
return false
}
for i := range o.progs {
if o.progs[i] != e.progs[i] {
return false
}
}
return true
}
type Via struct {
AddrFamily int
Addr net.IP
}
func (v *Via) Equal(x Destination) bool {
o, ok := x.(*Via)
if !ok {
return false
}
if v.AddrFamily == x.Family() && v.Addr.Equal(o.Addr) {
return true
}
return false
}
func (v *Via) String() string {
return fmt.Sprintf("Family: %d, Address: %s", v.AddrFamily, v.Addr.String())
}
func (v *Via) Family() int {
return v.AddrFamily
}
func (v *Via) Encode() ([]byte, error) {
buf := &bytes.Buffer{}
err := binary.Write(buf, native, uint16(v.AddrFamily))
if err != nil {
return nil, err
}
err = binary.Write(buf, native, v.Addr)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (v *Via) Decode(b []byte) error {
if len(b) < 6 {
return fmt.Errorf("decoding failed: buffer too small (%d bytes)", len(b))
}
v.AddrFamily = int(native.Uint16(b[0:2]))
if v.AddrFamily == nl.FAMILY_V4 {
v.Addr = net.IP(b[2:6])
return nil
} else if v.AddrFamily == nl.FAMILY_V6 {
if len(b) < 18 {
return fmt.Errorf("decoding failed: buffer too small (%d bytes)", len(b))
}
v.Addr = net.IP(b[2:])
return nil
}
return fmt.Errorf("decoding failed: address family %d unknown", v.AddrFamily)
}
// RouteAdd will add a route to the system.
// Equivalent to: `ip route add $route`
func RouteAdd(route *Route) error {
@ -457,6 +659,32 @@ func (h *Handle) RouteAdd(route *Route) error {
return h.routeHandle(route, req, nl.NewRtMsg())
}
// RouteAppend will append a route to the system.
// Equivalent to: `ip route append $route`
func RouteAppend(route *Route) error {
return pkgHandle.RouteAppend(route)
}
// RouteAppend will append a route to the system.
// Equivalent to: `ip route append $route`
func (h *Handle) RouteAppend(route *Route) error {
flags := unix.NLM_F_CREATE | unix.NLM_F_APPEND | unix.NLM_F_ACK
req := h.newNetlinkRequest(unix.RTM_NEWROUTE, flags)
return h.routeHandle(route, req, nl.NewRtMsg())
}
// RouteAddEcmp will add a route to the system.
func RouteAddEcmp(route *Route) error {
return pkgHandle.RouteAddEcmp(route)
}
// RouteAddEcmp will add a route to the system.
func (h *Handle) RouteAddEcmp(route *Route) error {
flags := unix.NLM_F_CREATE | unix.NLM_F_ACK
req := h.newNetlinkRequest(unix.RTM_NEWROUTE, flags)
return h.routeHandle(route, req, nl.NewRtMsg())
}
// RouteReplace will add a route to the system.
// Equivalent to: `ip route replace $route`
func RouteReplace(route *Route) error {
@ -530,7 +758,13 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
if err != nil {
return err
}
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_ENCAP, buf))
switch route.Encap.Type() {
case nl.LWTUNNEL_ENCAP_BPF:
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_ENCAP|unix.NLA_F_NESTED, buf))
default:
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_ENCAP, buf))
}
}
if route.Src != nil {
@ -564,6 +798,14 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_GATEWAY, gwData))
}
if route.Via != nil {
buf, err := route.Via.Encode()
if err != nil {
return fmt.Errorf("failed to encode RTA_VIA: %v", err)
}
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_VIA, buf))
}
if len(route.MultiPath) > 0 {
buf := []byte{}
for _, nh := range route.MultiPath {
@ -606,6 +848,13 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
}
children = append(children, nl.NewRtAttr(unix.RTA_ENCAP, buf))
}
if nh.Via != nil {
buf, err := nh.Via.Encode()
if err != nil {
return err
}
children = append(children, nl.NewRtAttr(unix.RTA_VIA, buf))
}
rtnh.Children = children
buf = append(buf, rtnh.Serialize()...)
}
@ -628,6 +877,11 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
native.PutUint32(b, uint32(route.Priority))
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_PRIORITY, b))
}
if route.Realm > 0 {
b := make([]byte, 4)
native.PutUint32(b, uint32(route.Realm))
rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_FLOW, b))
}
if route.Tos > 0 {
msg.Tos = uint8(route.Tos)
}
@ -639,19 +893,70 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
}
var metrics []*nl.RtAttr
// TODO: support other rta_metric values
if route.MTU > 0 {
b := nl.Uint32Attr(uint32(route.MTU))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_MTU, b))
}
if route.Window > 0 {
b := nl.Uint32Attr(uint32(route.Window))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_WINDOW, b))
}
if route.Rtt > 0 {
b := nl.Uint32Attr(uint32(route.Rtt))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_RTT, b))
}
if route.RttVar > 0 {
b := nl.Uint32Attr(uint32(route.RttVar))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_RTTVAR, b))
}
if route.Ssthresh > 0 {
b := nl.Uint32Attr(uint32(route.Ssthresh))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_SSTHRESH, b))
}
if route.Cwnd > 0 {
b := nl.Uint32Attr(uint32(route.Cwnd))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_CWND, b))
}
if route.AdvMSS > 0 {
b := nl.Uint32Attr(uint32(route.AdvMSS))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_ADVMSS, b))
}
if route.Reordering > 0 {
b := nl.Uint32Attr(uint32(route.Reordering))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_REORDERING, b))
}
if route.Hoplimit > 0 {
b := nl.Uint32Attr(uint32(route.Hoplimit))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_HOPLIMIT, b))
}
if route.InitCwnd > 0 {
b := nl.Uint32Attr(uint32(route.InitCwnd))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_INITCWND, b))
}
if route.Features > 0 {
b := nl.Uint32Attr(uint32(route.Features))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_FEATURES, b))
}
if route.RtoMin > 0 {
b := nl.Uint32Attr(uint32(route.RtoMin))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_RTO_MIN, b))
}
if route.InitRwnd > 0 {
b := nl.Uint32Attr(uint32(route.InitRwnd))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_INITRWND, b))
}
if route.QuickACK > 0 {
b := nl.Uint32Attr(uint32(route.QuickACK))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_QUICKACK, b))
}
if route.Congctl != "" {
b := nl.ZeroTerminated(route.Congctl)
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_CC_ALGO, b))
}
if route.FastOpenNoCookie > 0 {
b := nl.Uint32Attr(uint32(route.FastOpenNoCookie))
metrics = append(metrics, nl.NewRtAttr(unix.RTAX_FASTOPEN_NO_COOKIE, b))
}
if metrics != nil {
attr := nl.NewRtAttr(unix.RTA_METRICS, nil)
@ -669,10 +974,7 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
req.AddData(attr)
}
var (
b = make([]byte, 4)
native = nl.NativeEndian()
)
b := make([]byte, 4)
native.PutUint32(b, uint32(route.LinkIndex))
req.AddData(nl.NewRtAttr(unix.RTA_OIF, b))
@ -711,8 +1013,9 @@ func RouteListFiltered(family int, filter *Route, filterMask uint64) ([]Route, e
// All rules must be defined in RouteFilter struct
func (h *Handle) RouteListFiltered(family int, filter *Route, filterMask uint64) ([]Route, error) {
req := h.newNetlinkRequest(unix.RTM_GETROUTE, unix.NLM_F_DUMP)
infmsg := nl.NewIfInfomsg(family)
req.AddData(infmsg)
rtmsg := nl.NewRtMsg()
rtmsg.Family = uint8(family)
req.AddData(rtmsg)
msgs, err := req.Execute(unix.NETLINK_ROUTE, unix.RTM_NEWROUTE)
if err != nil {
@ -748,6 +1051,8 @@ func (h *Handle) RouteListFiltered(family int, filter *Route, filterMask uint64)
continue
case filterMask&RT_FILTER_TOS != 0 && route.Tos != filter.Tos:
continue
case filterMask&RT_FILTER_REALM != 0 && route.Realm != filter.Realm:
continue
case filterMask&RT_FILTER_OIF != 0 && route.LinkIndex != filter.LinkIndex:
continue
case filterMask&RT_FILTER_IIF != 0 && route.ILinkIndex != filter.ILinkIndex:
@ -780,14 +1085,14 @@ func deserializeRoute(m []byte) (Route, error) {
}
route := Route{
Scope: Scope(msg.Scope),
Protocol: int(msg.Protocol),
Protocol: RouteProtocol(int(msg.Protocol)),
Table: int(msg.Table),
Type: int(msg.Type),
Tos: int(msg.Tos),
Flags: int(msg.Flags),
Family: int(msg.Family),
}
native := nl.NativeEndian()
var encap, encapType syscall.NetlinkRouteAttr
for _, attr := range attrs {
switch attr.Attr.Type {
@ -814,6 +1119,8 @@ func deserializeRoute(m []byte) (Route, error) {
route.ILinkIndex = int(native.Uint32(attr.Value[0:4]))
case unix.RTA_PRIORITY:
route.Priority = int(native.Uint32(attr.Value[0:4]))
case unix.RTA_FLOW:
route.Realm = int(native.Uint32(attr.Value[0:4]))
case unix.RTA_TABLE:
route.Table = int(native.Uint32(attr.Value[0:4]))
case unix.RTA_MULTIPATH:
@ -853,6 +1160,12 @@ func deserializeRoute(m []byte) (Route, error) {
encapType = attr
case unix.RTA_ENCAP:
encap = attr
case unix.RTA_VIA:
d := &Via{}
if err := d.Decode(attr.Value); err != nil {
return nil, nil, err
}
info.Via = d
}
}
@ -890,6 +1203,12 @@ func deserializeRoute(m []byte) (Route, error) {
return route, err
}
route.NewDst = d
case unix.RTA_VIA:
v := &Via{}
if err := v.Decode(attr.Value); err != nil {
return route, err
}
route.Via = v
case unix.RTA_ENCAP_TYPE:
encapType = attr
case unix.RTA_ENCAP:
@ -903,10 +1222,36 @@ func deserializeRoute(m []byte) (Route, error) {
switch metric.Attr.Type {
case unix.RTAX_MTU:
route.MTU = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_WINDOW:
route.Window = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_RTT:
route.Rtt = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_RTTVAR:
route.RttVar = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_SSTHRESH:
route.Ssthresh = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_CWND:
route.Cwnd = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_ADVMSS:
route.AdvMSS = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_REORDERING:
route.Reordering = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_HOPLIMIT:
route.Hoplimit = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_INITCWND:
route.InitCwnd = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_FEATURES:
route.Features = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_RTO_MIN:
route.RtoMin = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_INITRWND:
route.InitRwnd = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_QUICKACK:
route.QuickACK = int(native.Uint32(metric.Value[0:4]))
case unix.RTAX_CC_ALGO:
route.Congctl = nl.BytesToString(metric.Value)
case unix.RTAX_FASTOPEN_NO_COOKIE:
route.FastOpenNoCookie = int(native.Uint32(metric.Value[0:4]))
}
}
}
@ -931,6 +1276,11 @@ func deserializeRoute(m []byte) (Route, error) {
if err := e.Decode(encap.Value); err != nil {
return route, err
}
case nl.LWTUNNEL_ENCAP_BPF:
e = &BpfEncap{}
if err := e.Decode(encap.Value); err != nil {
return route, err
}
}
route.Encap = e
}
@ -938,15 +1288,30 @@ func deserializeRoute(m []byte) (Route, error) {
return route, nil
}
// RouteGetOptions contains a set of options to use with
// RouteGetWithOptions
type RouteGetOptions struct {
Iif string
Oif string
VrfName string
SrcAddr net.IP
}
// RouteGetWithOptions gets a route to a specific destination from the host system.
// Equivalent to: 'ip route get <> vrf <VrfName>'.
func RouteGetWithOptions(destination net.IP, options *RouteGetOptions) ([]Route, error) {
return pkgHandle.RouteGetWithOptions(destination, options)
}
// RouteGet gets a route to a specific destination from the host system.
// Equivalent to: 'ip route get'.
func RouteGet(destination net.IP) ([]Route, error) {
return pkgHandle.RouteGet(destination)
}
// RouteGet gets a route to a specific destination from the host system.
// Equivalent to: 'ip route get'.
func (h *Handle) RouteGet(destination net.IP) ([]Route, error) {
// RouteGetWithOptions gets a route to a specific destination from the host system.
// Equivalent to: 'ip route get <> vrf <VrfName>'.
func (h *Handle) RouteGetWithOptions(destination net.IP, options *RouteGetOptions) ([]Route, error) {
req := h.newNetlinkRequest(unix.RTM_GETROUTE, unix.NLM_F_REQUEST)
family := nl.GetIPFamily(destination)
var destinationData []byte
@ -961,11 +1326,63 @@ func (h *Handle) RouteGet(destination net.IP) ([]Route, error) {
msg := &nl.RtMsg{}
msg.Family = uint8(family)
msg.Dst_len = bitlen
if options != nil && options.SrcAddr != nil {
msg.Src_len = bitlen
}
msg.Flags = unix.RTM_F_LOOKUP_TABLE
req.AddData(msg)
rtaDst := nl.NewRtAttr(unix.RTA_DST, destinationData)
req.AddData(rtaDst)
if options != nil {
if options.VrfName != "" {
link, err := LinkByName(options.VrfName)
if err != nil {
return nil, err
}
b := make([]byte, 4)
native.PutUint32(b, uint32(link.Attrs().Index))
req.AddData(nl.NewRtAttr(unix.RTA_OIF, b))
}
if len(options.Iif) > 0 {
link, err := LinkByName(options.Iif)
if err != nil {
return nil, err
}
b := make([]byte, 4)
native.PutUint32(b, uint32(link.Attrs().Index))
req.AddData(nl.NewRtAttr(unix.RTA_IIF, b))
}
if len(options.Oif) > 0 {
link, err := LinkByName(options.Oif)
if err != nil {
return nil, err
}
b := make([]byte, 4)
native.PutUint32(b, uint32(link.Attrs().Index))
req.AddData(nl.NewRtAttr(unix.RTA_OIF, b))
}
if options.SrcAddr != nil {
var srcAddr []byte
if family == FAMILY_V4 {
srcAddr = options.SrcAddr.To4()
} else {
srcAddr = options.SrcAddr.To16()
}
req.AddData(nl.NewRtAttr(unix.RTA_SRC, srcAddr))
}
}
msgs, err := req.Execute(unix.NETLINK_ROUTE, unix.RTM_NEWROUTE)
if err != nil {
return nil, err
@ -980,7 +1397,12 @@ func (h *Handle) RouteGet(destination net.IP) ([]Route, error) {
res = append(res, route)
}
return res, nil
}
// RouteGet gets a route to a specific destination from the host system.
// Equivalent to: 'ip route get'.
func (h *Handle) RouteGet(destination net.IP) ([]Route, error) {
return h.RouteGetWithOptions(destination, nil)
}
// RouteSubscribe takes a chan down which notifications will be sent
@ -1040,7 +1462,8 @@ func routeSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- RouteUpdate, done <
msgs, from, err := s.Receive()
if err != nil {
if cberr != nil {
cberr(err)
cberr(fmt.Errorf("Receive failed: %v",
err))
}
return
}
@ -1055,22 +1478,22 @@ func routeSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- RouteUpdate, done <
continue
}
if m.Header.Type == unix.NLMSG_ERROR {
native := nl.NativeEndian()
error := int32(native.Uint32(m.Data[0:4]))
if error == 0 {
continue
}
if cberr != nil {
cberr(syscall.Errno(-error))
cberr(fmt.Errorf("error message: %v",
syscall.Errno(-error)))
}
return
continue
}
route, err := deserializeRoute(m.Data)
if err != nil {
if cberr != nil {
cberr(err)
}
return
continue
}
ch <- RouteUpdate{Type: m.Header.Type, Route: route}
}
@ -1079,3 +1502,54 @@ func routeSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- RouteUpdate, done <
return nil
}
func (p RouteProtocol) String() string {
switch int(p) {
case unix.RTPROT_BABEL:
return "babel"
case unix.RTPROT_BGP:
return "bgp"
case unix.RTPROT_BIRD:
return "bird"
case unix.RTPROT_BOOT:
return "boot"
case unix.RTPROT_DHCP:
return "dhcp"
case unix.RTPROT_DNROUTED:
return "dnrouted"
case unix.RTPROT_EIGRP:
return "eigrp"
case unix.RTPROT_GATED:
return "gated"
case unix.RTPROT_ISIS:
return "isis"
//case unix.RTPROT_KEEPALIVED:
// return "keepalived"
case unix.RTPROT_KERNEL:
return "kernel"
case unix.RTPROT_MROUTED:
return "mrouted"
case unix.RTPROT_MRT:
return "mrt"
case unix.RTPROT_NTK:
return "ntk"
case unix.RTPROT_OSPF:
return "ospf"
case unix.RTPROT_RA:
return "ra"
case unix.RTPROT_REDIRECT:
return "redirect"
case unix.RTPROT_RIP:
return "rip"
case unix.RTPROT_STATIC:
return "static"
case unix.RTPROT_UNSPEC:
return "unspec"
case unix.RTPROT_XORP:
return "xorp"
case unix.RTPROT_ZEBRA:
return "zebra"
default:
return strconv.Itoa(int(p))
}
}

10
vendor/github.com/vishvananda/netlink/route_unspecified.go generated vendored
View file

@ -2,6 +2,8 @@
package netlink
import "strconv"
func (r *Route) ListFlags() []string {
return []string{}
}
@ -9,3 +11,11 @@ func (r *Route) ListFlags() []string {
func (n *NexthopInfo) ListFlags() []string {
return []string{}
}
func (s Scope) String() string {
return "unknown"
}
func (p RouteProtocol) String() string {
return strconv.Itoa(int(p))
}

28
vendor/github.com/vishvananda/netlink/rule.go generated vendored
View file

@ -12,6 +12,7 @@ type Rule struct {
Table int
Mark int
Mask int
Tos uint
TunID uint
Goto int
Src *net.IPNet
@ -22,10 +23,24 @@ type Rule struct {
SuppressIfgroup int
SuppressPrefixlen int
Invert bool
Dport *RulePortRange
Sport *RulePortRange
IPProto int
}
func (r Rule) String() string {
return fmt.Sprintf("ip rule %d: from %s table %d", r.Priority, r.Src, r.Table)
from := "all"
if r.Src != nil && r.Src.String() != "<nil>" {
from = r.Src.String()
}
to := "all"
if r.Dst != nil && r.Dst.String() != "<nil>" {
to = r.Dst.String()
}
return fmt.Sprintf("ip rule %d: from %s to %s table %d",
r.Priority, from, to, r.Table)
}
// NewRule return empty rules.
@ -40,3 +55,14 @@ func NewRule() *Rule {
Flow: -1,
}
}
// NewRulePortRange creates rule sport/dport range.
func NewRulePortRange(start, end uint16) *RulePortRange {
return &RulePortRange{Start: start, End: end}
}
// RulePortRange represents rule sport/dport range.
type RulePortRange struct {
Start uint16
End uint16
}

79
vendor/github.com/vishvananda/netlink/rule_linux.go generated vendored
View file

@ -1,6 +1,7 @@
package netlink
import (
"bytes"
"fmt"
"net"
@ -55,6 +56,9 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
if rule.Table >= 0 && rule.Table < 256 {
msg.Table = uint8(rule.Table)
}
if rule.Tos != 0 {
msg.Tos = uint8(rule.Tos)
}
var dstFamily uint8
var rtAttrs []*nl.RtAttr
@ -93,8 +97,6 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
req.AddData(rtAttrs[i])
}
native := nl.NativeEndian()
if rule.Priority >= 0 {
b := make([]byte, 4)
native.PutUint32(b, uint32(rule.Priority))
@ -138,10 +140,10 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
}
}
if rule.IifName != "" {
req.AddData(nl.NewRtAttr(nl.FRA_IIFNAME, []byte(rule.IifName)))
req.AddData(nl.NewRtAttr(nl.FRA_IIFNAME, []byte(rule.IifName+"\x00")))
}
if rule.OifName != "" {
req.AddData(nl.NewRtAttr(nl.FRA_OIFNAME, []byte(rule.OifName)))
req.AddData(nl.NewRtAttr(nl.FRA_OIFNAME, []byte(rule.OifName+"\x00")))
}
if rule.Goto >= 0 {
msg.Type = nl.FR_ACT_GOTO
@ -150,6 +152,22 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
req.AddData(nl.NewRtAttr(nl.FRA_GOTO, b))
}
if rule.IPProto > 0 {
b := make([]byte, 4)
native.PutUint32(b, uint32(rule.IPProto))
req.AddData(nl.NewRtAttr(nl.FRA_IP_PROTO, b))
}
if rule.Dport != nil {
b := rule.Dport.toRtAttrData()
req.AddData(nl.NewRtAttr(nl.FRA_DPORT_RANGE, b))
}
if rule.Sport != nil {
b := rule.Sport.toRtAttrData()
req.AddData(nl.NewRtAttr(nl.FRA_SPORT_RANGE, b))
}
_, err := req.Execute(unix.NETLINK_ROUTE, 0)
return err
}
@ -163,6 +181,19 @@ func RuleList(family int) ([]Rule, error) {
// RuleList lists rules in the system.
// Equivalent to: ip rule list
func (h *Handle) RuleList(family int) ([]Rule, error) {
return h.RuleListFiltered(family, nil, 0)
}
// RuleListFiltered gets a list of rules in the system filtered by the
// specified rule template `filter`.
// Equivalent to: ip rule list
func RuleListFiltered(family int, filter *Rule, filterMask uint64) ([]Rule, error) {
return pkgHandle.RuleListFiltered(family, filter, filterMask)
}
// RuleListFiltered lists rules in the system.
// Equivalent to: ip rule list
func (h *Handle) RuleListFiltered(family int, filter *Rule, filterMask uint64) ([]Rule, error) {
req := h.newNetlinkRequest(unix.RTM_GETRULE, unix.NLM_F_DUMP|unix.NLM_F_REQUEST)
msg := nl.NewIfInfomsg(family)
req.AddData(msg)
@ -172,7 +203,6 @@ func (h *Handle) RuleList(family int) ([]Rule, error) {
return nil, err
}
native := nl.NativeEndian()
var res = make([]Rule, 0)
for i := range msgs {
msg := nl.DeserializeRtMsg(msgs[i])
@ -184,6 +214,7 @@ func (h *Handle) RuleList(family int) ([]Rule, error) {
rule := NewRule()
rule.Invert = msg.Flags&FibRuleInvert > 0
rule.Tos = uint(msg.Tos)
for j := range attrs {
switch attrs[j].Attr.Type {
@ -204,7 +235,7 @@ func (h *Handle) RuleList(family int) ([]Rule, error) {
case nl.FRA_FWMASK:
rule.Mask = int(native.Uint32(attrs[j].Value[0:4]))
case nl.FRA_TUN_ID:
rule.TunID = uint(native.Uint64(attrs[j].Value[0:4]))
rule.TunID = uint(native.Uint64(attrs[j].Value[0:8]))
case nl.FRA_IIFNAME:
rule.IifName = string(attrs[j].Value[:len(attrs[j].Value)-1])
case nl.FRA_OIFNAME:
@ -225,10 +256,46 @@ func (h *Handle) RuleList(family int) ([]Rule, error) {
rule.Goto = int(native.Uint32(attrs[j].Value[0:4]))
case nl.FRA_PRIORITY:
rule.Priority = int(native.Uint32(attrs[j].Value[0:4]))
case nl.FRA_IP_PROTO:
rule.IPProto = int(native.Uint32(attrs[j].Value[0:4]))
case nl.FRA_DPORT_RANGE:
rule.Dport = NewRulePortRange(native.Uint16(attrs[j].Value[0:2]), native.Uint16(attrs[j].Value[2:4]))
case nl.FRA_SPORT_RANGE:
rule.Sport = NewRulePortRange(native.Uint16(attrs[j].Value[0:2]), native.Uint16(attrs[j].Value[2:4]))
}
}
if filter != nil {
switch {
case filterMask&RT_FILTER_SRC != 0 &&
(rule.Src == nil || rule.Src.String() != filter.Src.String()):
continue
case filterMask&RT_FILTER_DST != 0 &&
(rule.Dst == nil || rule.Dst.String() != filter.Dst.String()):
continue
case filterMask&RT_FILTER_TABLE != 0 &&
filter.Table != unix.RT_TABLE_UNSPEC && rule.Table != filter.Table:
continue
case filterMask&RT_FILTER_TOS != 0 && rule.Tos != filter.Tos:
continue
case filterMask&RT_FILTER_PRIORITY != 0 && rule.Priority != filter.Priority:
continue
case filterMask&RT_FILTER_MARK != 0 && rule.Mark != filter.Mark:
continue
case filterMask&RT_FILTER_MASK != 0 && rule.Mask != filter.Mask:
continue
}
}
res = append(res, *rule)
}
return res, nil
}
func (pr *RulePortRange) toRtAttrData() []byte {
b := [][]byte{make([]byte, 2), make([]byte, 2)}
native.PutUint16(b[0], pr.Start)
native.PutUint16(b[1], pr.End)
return bytes.Join(b, []byte{})
}

145
vendor/github.com/vishvananda/netlink/socket_linux.go generated vendored
View file

@ -4,6 +4,7 @@ import (
"errors"
"fmt"
"net"
"syscall"
"github.com/vishvananda/netlink/nl"
"golang.org/x/sys/unix"
@ -49,10 +50,15 @@ func (r *socketRequest) Serialize() []byte {
native.PutUint32(b.Next(4), r.States)
networkOrder.PutUint16(b.Next(2), r.ID.SourcePort)
networkOrder.PutUint16(b.Next(2), r.ID.DestinationPort)
copy(b.Next(4), r.ID.Source.To4())
b.Next(12)
copy(b.Next(4), r.ID.Destination.To4())
b.Next(12)
if r.Family == unix.AF_INET6 {
copy(b.Next(16), r.ID.Source)
copy(b.Next(16), r.ID.Destination)
} else {
copy(b.Next(4), r.ID.Source.To4())
b.Next(12)
copy(b.Next(4), r.ID.Destination.To4())
b.Next(12)
}
native.PutUint32(b.Next(4), r.ID.Interface)
native.PutUint32(b.Next(4), r.ID.Cookie[0])
native.PutUint32(b.Next(4), r.ID.Cookie[1])
@ -89,10 +95,15 @@ func (s *Socket) deserialize(b []byte) error {
s.Retrans = rb.Read()
s.ID.SourcePort = networkOrder.Uint16(rb.Next(2))
s.ID.DestinationPort = networkOrder.Uint16(rb.Next(2))
s.ID.Source = net.IPv4(rb.Read(), rb.Read(), rb.Read(), rb.Read())
rb.Next(12)
s.ID.Destination = net.IPv4(rb.Read(), rb.Read(), rb.Read(), rb.Read())
rb.Next(12)
if s.Family == unix.AF_INET6 {
s.ID.Source = net.IP(rb.Next(16))
s.ID.Destination = net.IP(rb.Next(16))
} else {
s.ID.Source = net.IPv4(rb.Read(), rb.Read(), rb.Read(), rb.Read())
rb.Next(12)
s.ID.Destination = net.IPv4(rb.Read(), rb.Read(), rb.Read(), rb.Read())
rb.Next(12)
}
s.ID.Interface = native.Uint32(rb.Next(4))
s.ID.Cookie[0] = native.Uint32(rb.Next(4))
s.ID.Cookie[1] = native.Uint32(rb.Next(4))
@ -160,3 +171,121 @@ func SocketGet(local, remote net.Addr) (*Socket, error) {
}
return sock, nil
}
// SocketDiagTCPInfo requests INET_DIAG_INFO for TCP protocol for specified family type and return with extension TCP info.
func SocketDiagTCPInfo(family uint8) ([]*InetDiagTCPInfoResp, error) {
var result []*InetDiagTCPInfoResp
err := socketDiagTCPExecutor(family, func(m syscall.NetlinkMessage) error {
sockInfo := &Socket{}
if err := sockInfo.deserialize(m.Data); err != nil {
return err
}
attrs, err := nl.ParseRouteAttr(m.Data[sizeofSocket:])
if err != nil {
return err
}
res, err := attrsToInetDiagTCPInfoResp(attrs, sockInfo)
if err != nil {
return err
}
result = append(result, res)
return nil
})
if err != nil {
return nil, err
}
return result, nil
}
// SocketDiagTCP requests INET_DIAG_INFO for TCP protocol for specified family type and return related socket.
func SocketDiagTCP(family uint8) ([]*Socket, error) {
var result []*Socket
err := socketDiagTCPExecutor(family, func(m syscall.NetlinkMessage) error {
sockInfo := &Socket{}
if err := sockInfo.deserialize(m.Data); err != nil {
return err
}
result = append(result, sockInfo)
return nil
})
if err != nil {
return nil, err
}
return result, nil
}
// socketDiagTCPExecutor requests INET_DIAG_INFO for TCP protocol for specified family type.
func socketDiagTCPExecutor(family uint8, receiver func(syscall.NetlinkMessage) error) error {
s, err := nl.Subscribe(unix.NETLINK_INET_DIAG)
if err != nil {
return err
}
defer s.Close()
req := nl.NewNetlinkRequest(nl.SOCK_DIAG_BY_FAMILY, unix.NLM_F_DUMP)
req.AddData(&socketRequest{
Family: family,
Protocol: unix.IPPROTO_TCP,
Ext: (1 << (INET_DIAG_VEGASINFO - 1)) | (1 << (INET_DIAG_INFO - 1)),
States: uint32(0xfff), // All TCP states
})
s.Send(req)
loop:
for {
msgs, from, err := s.Receive()
if err != nil {
return err
}
if from.Pid != nl.PidKernel {
return fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel)
}
if len(msgs) == 0 {
return errors.New("no message nor error from netlink")
}
for _, m := range msgs {
switch m.Header.Type {
case unix.NLMSG_DONE:
break loop
case unix.NLMSG_ERROR:
error := int32(native.Uint32(m.Data[0:4]))
return syscall.Errno(-error)
}
if err := receiver(m); err != nil {
return err
}
}
}
return nil
}
func attrsToInetDiagTCPInfoResp(attrs []syscall.NetlinkRouteAttr, sockInfo *Socket) (*InetDiagTCPInfoResp, error) {
var tcpInfo *TCPInfo
var tcpBBRInfo *TCPBBRInfo
for _, a := range attrs {
if a.Attr.Type == INET_DIAG_INFO {
tcpInfo = &TCPInfo{}
if err := tcpInfo.deserialize(a.Value); err != nil {
return nil, err
}
continue
}
if a.Attr.Type == INET_DIAG_BBRINFO {
tcpBBRInfo = &TCPBBRInfo{}
if err := tcpBBRInfo.deserialize(a.Value); err != nil {
return nil, err
}
continue
}
}
return &InetDiagTCPInfoResp{
InetDiagMsg: sockInfo,
TCPInfo: tcpInfo,
TCPBBRInfo: tcpBBRInfo,
}, nil
}

84
vendor/github.com/vishvananda/netlink/tcp.go generated vendored Normal file
View file

@ -0,0 +1,84 @@
package netlink
// TCP States
const (
TCP_ESTABLISHED = iota + 0x01
TCP_SYN_SENT
TCP_SYN_RECV
TCP_FIN_WAIT1
TCP_FIN_WAIT2
TCP_TIME_WAIT
TCP_CLOSE
TCP_CLOSE_WAIT
TCP_LAST_ACK
TCP_LISTEN
TCP_CLOSING
TCP_NEW_SYN_REC
TCP_MAX_STATES
)
type TCPInfo struct {
State uint8
Ca_state uint8
Retransmits uint8
Probes uint8
Backoff uint8
Options uint8
Snd_wscale uint8 // no uint4
Rcv_wscale uint8
Delivery_rate_app_limited uint8
Fastopen_client_fail uint8
Rto uint32
Ato uint32
Snd_mss uint32
Rcv_mss uint32
Unacked uint32
Sacked uint32
Lost uint32
Retrans uint32
Fackets uint32
Last_data_sent uint32
Last_ack_sent uint32
Last_data_recv uint32
Last_ack_recv uint32
Pmtu uint32
Rcv_ssthresh uint32
Rtt uint32
Rttvar uint32
Snd_ssthresh uint32
Snd_cwnd uint32
Advmss uint32
Reordering uint32
Rcv_rtt uint32
Rcv_space uint32
Total_retrans uint32
Pacing_rate uint64
Max_pacing_rate uint64
Bytes_acked uint64 /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
Bytes_received uint64 /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
Segs_out uint32 /* RFC4898 tcpEStatsPerfSegsOut */
Segs_in uint32 /* RFC4898 tcpEStatsPerfSegsIn */
Notsent_bytes uint32
Min_rtt uint32
Data_segs_in uint32 /* RFC4898 tcpEStatsDataSegsIn */
Data_segs_out uint32 /* RFC4898 tcpEStatsDataSegsOut */
Delivery_rate uint64
Busy_time uint64 /* Time (usec) busy sending data */
Rwnd_limited uint64 /* Time (usec) limited by receive window */
Sndbuf_limited uint64 /* Time (usec) limited by send buffer */
Delivered uint32
Delivered_ce uint32
Bytes_sent uint64 /* RFC4898 tcpEStatsPerfHCDataOctetsOut */
Bytes_retrans uint64 /* RFC4898 tcpEStatsPerfOctetsRetrans */
Dsack_dups uint32 /* RFC4898 tcpEStatsStackDSACKDups */
Reord_seen uint32 /* reordering events seen */
Rcv_ooopack uint32 /* Out-of-order packets received */
Snd_wnd uint32 /* peer's advertised receive window after * scaling (bytes) */
}
type TCPBBRInfo struct {
BBRBW uint64
BBRMinRTT uint32
BBRPacingGain uint32
BBRCwndGain uint32
}

353
vendor/github.com/vishvananda/netlink/tcp_linux.go generated vendored Normal file
View file

@ -0,0 +1,353 @@
package netlink
import (
"bytes"
"errors"
"io"
)
const (
tcpBBRInfoLen = 20
)
func checkDeserErr(err error) error {
if err == io.EOF {
return nil
}
return err
}
func (t *TCPInfo) deserialize(b []byte) error {
var err error
rb := bytes.NewBuffer(b)
t.State, err = rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Ca_state, err = rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Retransmits, err = rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Probes, err = rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Backoff, err = rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Options, err = rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
scales, err := rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Snd_wscale = scales >> 4 // first 4 bits
t.Rcv_wscale = scales & 0xf // last 4 bits
rateLimAndFastOpen, err := rb.ReadByte()
if err != nil {
return checkDeserErr(err)
}
t.Delivery_rate_app_limited = rateLimAndFastOpen >> 7 // get first bit
t.Fastopen_client_fail = rateLimAndFastOpen >> 5 & 3 // get next two bits
next := rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rto = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Ato = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Snd_mss = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rcv_mss = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Unacked = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Sacked = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Lost = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Retrans = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Fackets = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Last_data_sent = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Last_ack_sent = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Last_data_recv = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Last_ack_recv = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Pmtu = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rcv_ssthresh = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rtt = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rttvar = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Snd_ssthresh = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Snd_cwnd = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Advmss = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Reordering = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rcv_rtt = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rcv_space = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Total_retrans = native.Uint32(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Pacing_rate = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Max_pacing_rate = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Bytes_acked = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Bytes_received = native.Uint64(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Segs_out = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Segs_in = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Notsent_bytes = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Min_rtt = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Data_segs_in = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Data_segs_out = native.Uint32(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Delivery_rate = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Busy_time = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Rwnd_limited = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Sndbuf_limited = native.Uint64(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Delivered = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Delivered_ce = native.Uint32(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Bytes_sent = native.Uint64(next)
next = rb.Next(8)
if len(next) == 0 {
return nil
}
t.Bytes_retrans = native.Uint64(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Dsack_dups = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Reord_seen = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Rcv_ooopack = native.Uint32(next)
next = rb.Next(4)
if len(next) == 0 {
return nil
}
t.Snd_wnd = native.Uint32(next)
return nil
}
func (t *TCPBBRInfo) deserialize(b []byte) error {
if len(b) != tcpBBRInfoLen {
return errors.New("Invalid length")
}
rb := bytes.NewBuffer(b)
t.BBRBW = native.Uint64(rb.Next(8))
t.BBRMinRTT = native.Uint32(rb.Next(4))
t.BBRPacingGain = native.Uint32(rb.Next(4))
t.BBRCwndGain = native.Uint32(rb.Next(4))
return nil
}

13
vendor/github.com/vishvananda/netlink/xfrm_policy.go generated vendored
View file

@ -58,12 +58,13 @@ func (a PolicyAction) String() string {
// policy. These rules are matched with XfrmState to determine encryption
// and authentication algorithms.
type XfrmPolicyTmpl struct {
Dst net.IP
Src net.IP
Proto Proto
Mode Mode
Spi int
Reqid int
Dst net.IP
Src net.IP
Proto Proto
Mode Mode
Spi int
Reqid int
Optional int
}
func (t XfrmPolicyTmpl) String() string {

14
vendor/github.com/vishvananda/netlink/xfrm_policy_linux.go generated vendored
View file

@ -79,6 +79,7 @@ func (h *Handle) xfrmPolicyAddOrUpdate(policy *XfrmPolicy, nlProto int) error {
userTmpl.XfrmId.Spi = nl.Swap32(uint32(tmpl.Spi))
userTmpl.Mode = uint8(tmpl.Mode)
userTmpl.Reqid = uint32(tmpl.Reqid)
userTmpl.Optional = uint8(tmpl.Optional)
userTmpl.Aalgos = ^uint32(0)
userTmpl.Ealgos = ^uint32(0)
userTmpl.Calgos = ^uint32(0)
@ -92,8 +93,10 @@ func (h *Handle) xfrmPolicyAddOrUpdate(policy *XfrmPolicy, nlProto int) error {
req.AddData(out)
}
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(policy.Ifid)))
req.AddData(ifId)
if policy.Ifid != 0 {
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(policy.Ifid)))
req.AddData(ifId)
}
_, err := req.Execute(unix.NETLINK_XFRM, 0)
return err
@ -188,8 +191,10 @@ func (h *Handle) xfrmPolicyGetOrDelete(policy *XfrmPolicy, nlProto int) (*XfrmPo
req.AddData(out)
}
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(policy.Ifid)))
req.AddData(ifId)
if policy.Ifid != 0 {
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(policy.Ifid)))
req.AddData(ifId)
}
resType := nl.XFRM_MSG_NEWPOLICY
if nlProto == nl.XFRM_MSG_DELPOLICY {
@ -247,6 +252,7 @@ func parseXfrmPolicy(m []byte, family int) (*XfrmPolicy, error) {
resTmpl.Mode = Mode(tmpl.Mode)
resTmpl.Spi = int(nl.Swap32(tmpl.XfrmId.Spi))
resTmpl.Reqid = int(tmpl.Reqid)
resTmpl.Optional = int(tmpl.Optional)
policy.Tmpls = append(policy.Tmpls, resTmpl)
}
case nl.XFRMA_MARK:

4
vendor/github.com/vishvananda/netlink/xfrm_state.go generated vendored
View file

@ -94,7 +94,7 @@ type XfrmState struct {
Limits XfrmStateLimits
Statistics XfrmStateStats
Mark *XfrmMark
OutputMark int
OutputMark *XfrmMark
Ifid int
Auth *XfrmStateAlgo
Crypt *XfrmStateAlgo
@ -104,7 +104,7 @@ type XfrmState struct {
}
func (sa XfrmState) String() string {
return fmt.Sprintf("Dst: %v, Src: %v, Proto: %s, Mode: %s, SPI: 0x%x, ReqID: 0x%x, ReplayWindow: %d, Mark: %v, OutputMark: %d, Ifid: %d, Auth: %v, Crypt: %v, Aead: %v, Encap: %v, ESN: %t",
return fmt.Sprintf("Dst: %v, Src: %v, Proto: %s, Mode: %s, SPI: 0x%x, ReqID: 0x%x, ReplayWindow: %d, Mark: %v, OutputMark: %v, Ifid: %d, Auth: %v, Crypt: %v, Aead: %v, Encap: %v, ESN: %t",
sa.Dst, sa.Src, sa.Proto, sa.Mode, sa.Spi, sa.Reqid, sa.ReplayWindow, sa.Mark, sa.OutputMark, sa.Ifid, sa.Auth, sa.Crypt, sa.Aead, sa.Encap, sa.ESN)
}
func (sa XfrmState) Print(stats bool) string {

37
vendor/github.com/vishvananda/netlink/xfrm_state_linux.go generated vendored
View file

@ -111,7 +111,7 @@ func (h *Handle) xfrmStateAddOrUpdate(state *XfrmState, nlProto int) error {
// A state with spi 0 can't be deleted so don't allow it to be set
if state.Spi == 0 {
return fmt.Errorf("Spi must be set when adding xfrm state.")
return fmt.Errorf("Spi must be set when adding xfrm state")
}
req := h.newNetlinkRequest(nlProto, unix.NLM_F_CREATE|unix.NLM_F_EXCL|unix.NLM_F_ACK)
@ -158,13 +158,19 @@ func (h *Handle) xfrmStateAddOrUpdate(state *XfrmState, nlProto int) error {
out := nl.NewRtAttr(nl.XFRMA_REPLAY_ESN_VAL, writeReplayEsn(state.ReplayWindow))
req.AddData(out)
}
if state.OutputMark != 0 {
out := nl.NewRtAttr(nl.XFRMA_OUTPUT_MARK, nl.Uint32Attr(uint32(state.OutputMark)))
if state.OutputMark != nil {
out := nl.NewRtAttr(nl.XFRMA_SET_MARK, nl.Uint32Attr(state.OutputMark.Value))
req.AddData(out)
if state.OutputMark.Mask != 0 {
out = nl.NewRtAttr(nl.XFRMA_SET_MARK_MASK, nl.Uint32Attr(state.OutputMark.Mask))
req.AddData(out)
}
}
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(state.Ifid)))
req.AddData(ifId)
if state.Ifid != 0 {
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(state.Ifid)))
req.AddData(ifId)
}
_, err := req.Execute(unix.NETLINK_XFRM, 0)
return err
@ -277,8 +283,10 @@ func (h *Handle) xfrmStateGetOrDelete(state *XfrmState, nlProto int) (*XfrmState
req.AddData(out)
}
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(state.Ifid)))
req.AddData(ifId)
if state.Ifid != 0 {
ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(state.Ifid)))
req.AddData(ifId)
}
resType := nl.XFRM_MSG_NEWSA
if nlProto == nl.XFRM_MSG_DELSA {
@ -377,8 +385,19 @@ func parseXfrmState(m []byte, family int) (*XfrmState, error) {
state.Mark = new(XfrmMark)
state.Mark.Value = mark.Value
state.Mark.Mask = mark.Mask
case nl.XFRMA_OUTPUT_MARK:
state.OutputMark = int(native.Uint32(attr.Value))
case nl.XFRMA_SET_MARK:
if state.OutputMark == nil {
state.OutputMark = new(XfrmMark)
}
state.OutputMark.Value = native.Uint32(attr.Value)
case nl.XFRMA_SET_MARK_MASK:
if state.OutputMark == nil {
state.OutputMark = new(XfrmMark)
}
state.OutputMark.Mask = native.Uint32(attr.Value)
if state.OutputMark.Mask == 0xffffffff {
state.OutputMark.Mask = 0
}
case nl.XFRMA_IF_ID:
state.Ifid = int(native.Uint32(attr.Value))
}

3
vendor/modules.txt vendored
View file

@ -768,7 +768,7 @@ github.com/tonistiigi/units
github.com/vbatts/tar-split/archive/tar
github.com/vbatts/tar-split/tar/asm
github.com/vbatts/tar-split/tar/storage
# github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5 => github.com/vishvananda/netlink v1.1.0
# github.com/vishvananda/netlink v1.2.1-beta.2
## explicit; go 1.12
github.com/vishvananda/netlink
github.com/vishvananda/netlink/nl
@ -1126,7 +1126,6 @@ gotest.tools/v3/skip
# github.com/matttproud/golang_protobuf_extensions => github.com/matttproud/golang_protobuf_extensions v1.0.1
# github.com/prometheus/client_golang => github.com/prometheus/client_golang v1.6.0
# github.com/prometheus/procfs => github.com/prometheus/procfs v0.0.11
# github.com/vishvananda/netlink => github.com/vishvananda/netlink v1.1.0
# go.opencensus.io => go.opencensus.io v0.22.3
# github.com/rexray/gocsi => github.com/dperny/gocsi v1.2.3-pre
# github.com/google/certificate-transparency-go => github.com/google/certificate-transparency-go v1.0.20