diff options
Diffstat (limited to 'pkg/tcpip/stack/stack.go')
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index 1fe21b68e..f7ba3cb0f 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -738,7 +738,7 @@ func (s *Stack) NICInfo() map[tcpip.NICID]NICInfo { nics[id] = NICInfo{ Name: nic.name, LinkAddress: nic.linkEP.LinkAddress(), - ProtocolAddresses: nic.Addresses(), + ProtocolAddresses: nic.PrimaryAddresses(), Flags: flags, MTU: nic.linkEP.MTU(), Stats: nic.stats, @@ -845,19 +845,37 @@ func (s *Stack) RemoveAddress(id tcpip.NICID, addr tcpip.Address) *tcpip.Error { return tcpip.ErrUnknownNICID } -// GetMainNICAddress returns the first primary address (and the subnet that -// contains it) for the given NIC and protocol. Returns an arbitrary endpoint's -// address if no primary addresses exist. Returns an error if the NIC doesn't -// exist or has no endpoints. +// AllAddresses returns a map of NICIDs to their protocol addresses (primary +// and non-primary). +func (s *Stack) AllAddresses() map[tcpip.NICID][]tcpip.ProtocolAddress { + s.mu.RLock() + defer s.mu.RUnlock() + + nics := make(map[tcpip.NICID][]tcpip.ProtocolAddress) + for id, nic := range s.nics { + nics[id] = nic.AllAddresses() + } + return nics +} + +// GetMainNICAddress returns the first primary address and prefix for the given +// NIC and protocol. Returns an error if the NIC doesn't exist and an empty +// value if the NIC doesn't have a primary address for the given protocol. func (s *Stack) GetMainNICAddress(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber) (tcpip.AddressWithPrefix, *tcpip.Error) { s.mu.RLock() defer s.mu.RUnlock() - if nic, ok := s.nics[id]; ok { - return nic.getMainNICAddress(protocol) + nic, ok := s.nics[id] + if !ok { + return tcpip.AddressWithPrefix{}, tcpip.ErrUnknownNICID } - return tcpip.AddressWithPrefix{}, tcpip.ErrUnknownNICID + for _, a := range nic.PrimaryAddresses() { + if a.Protocol == protocol { + return a.AddressWithPrefix, nil + } + } + return tcpip.AddressWithPrefix{}, nil } func (s *Stack) getRefEP(nic *NIC, localAddr tcpip.Address, netProto tcpip.NetworkProtocolNumber) (ref *referencedNetworkEndpoint) { |