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| author | gVisor bot <gvisor-bot@google.com> | 2020-01-07 18:23:43 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-01-07 18:23:43 +0000 |
| commit | 33745181e8deb9b61257f132ea3e2bbf64f535a6 (patch) | |
| tree | 96361e31d7ab927df55a2c220c4f3a021925e107 /pkg/tcpip/stack | |
| parent | 810d58067e9125543bb22123a36444443796af5a (diff) | |
| parent | 2031cc4701d5bfd21b34d7b0f7dc86920a553385 (diff) | |
Merge release-20191213.0-66-g2031cc4 (automated)
Diffstat (limited to 'pkg/tcpip/stack')
| -rw-r--r-- | pkg/tcpip/stack/nic.go | 3 | ||||
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 18 |
2 files changed, 12 insertions, 9 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index 044fe5298..523c2a699 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -174,7 +174,8 @@ func (n *NIC) enable() *tcpip.Error { return err } - if !n.stack.autoGenIPv6LinkLocal { + // Do not auto-generate an IPv6 link-local address for loopback devices. + if !n.stack.autoGenIPv6LinkLocal || n.loopback { return nil } diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index ffb379363..d4e98f277 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -444,8 +444,8 @@ type Stack struct { ndpConfigs NDPConfigurations // autoGenIPv6LinkLocal determines whether or not the stack will attempt - // to auto-generate an IPv6 link-local address for newly enabled NICs. - // See the AutoGenIPv6LinkLocal field of Options for more details. + // to auto-generate an IPv6 link-local address for newly enabled non-loopback + // NICs. See the AutoGenIPv6LinkLocal field of Options for more details. autoGenIPv6LinkLocal bool // ndpDisp is the NDP event dispatcher that is used to send the netstack @@ -496,13 +496,15 @@ type Options struct { // before assigning an address to a NIC. NDPConfigs NDPConfigurations - // AutoGenIPv6LinkLocal determins whether or not the stack will attempt - // to auto-generate an IPv6 link-local address for newly enabled NICs. + // AutoGenIPv6LinkLocal determines whether or not the stack will attempt to + // auto-generate an IPv6 link-local address for newly enabled non-loopback + // NICs. + // // Note, setting this to true does not mean that a link-local address - // will be assigned right away, or at all. If Duplicate Address - // Detection is enabled, an address will only be assigned if it - // successfully resolves. If it fails, no further attempt will be made - // to auto-generate an IPv6 link-local address. + // will be assigned right away, or at all. If Duplicate Address Detection + // is enabled, an address will only be assigned if it successfully resolves. + // If it fails, no further attempt will be made to auto-generate an IPv6 + // link-local address. // // The generated link-local address will follow RFC 4291 Appendix A // guidelines. |