diff options
| author | Ghanan Gowripalan <ghanan@google.com> | 2020-01-07 10:07:59 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-01-07 10:09:39 -0800 |
| commit | 2031cc4701d5bfd21b34d7b0f7dc86920a553385 (patch) | |
| tree | 40da52ce2b5e35a24ac5c94a74422d7d7e5d3796 /pkg/tcpip/stack/stack.go | |
| parent | ed60bc326b7479995fee4a94d29cbc7d9dddef02 (diff) | |
Disable auto-generation of IPv6 link-local addresses for loopback NICs
Test: Test that an IPv6 link-local address is not auto-generated for loopback
NICs, even when it is enabled for non-loopback NICS.
PiperOrigin-RevId: 288519591
Diffstat (limited to 'pkg/tcpip/stack/stack.go')
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 18 |
1 files changed, 10 insertions, 8 deletions
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. |