diff options
Diffstat (limited to 'pkg/tcpip/stack/nic.go')
-rw-r--r-- | pkg/tcpip/stack/nic.go | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index a90d027f2..6c09ba5ff 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -39,7 +39,7 @@ type neighborTable interface { setNUDConfig(NUDConfigurations) tcpip.Error } -var _ NetworkInterface = (*NIC)(nil) +var _ NetworkInterface = (*nic)(nil) type linkResolver struct { resolver LinkAddressResolver @@ -55,9 +55,9 @@ func (l *linkResolver) confirmReachable(addr tcpip.Address) { l.neighborTable.handleUpperLevelConfirmation(addr) } -// NIC represents a "network interface card" to which the networking stack is +// nic represents a "network interface card" to which the networking stack is // attached. -type NIC struct { +type nic struct { LinkEndpoint stack *Stack @@ -147,7 +147,7 @@ func (p *packetEndpointList) forEach(fn func(PacketEndpoint)) { } // newNIC returns a new NIC using the default NDP configurations from stack. -func newNIC(stack *Stack, id tcpip.NICID, name string, ep LinkEndpoint, ctx NICContext) *NIC { +func newNIC(stack *Stack, id tcpip.NICID, name string, ep LinkEndpoint, ctx NICContext) *nic { // TODO(b/141011931): Validate a LinkEndpoint (ep) is valid. For // example, make sure that the link address it provides is a valid // unicast ethernet address. @@ -156,7 +156,7 @@ func newNIC(stack *Stack, id tcpip.NICID, name string, ep LinkEndpoint, ctx NICC // observe an MTU of at least 1280 bytes. Ensure that this requirement // of IPv6 is supported on this endpoint's LinkEndpoint. - nic := &NIC{ + nic := &nic{ LinkEndpoint: ep, stack: stack, @@ -212,19 +212,19 @@ func newNIC(stack *Stack, id tcpip.NICID, name string, ep LinkEndpoint, ctx NICC return nic } -func (n *NIC) getNetworkEndpoint(proto tcpip.NetworkProtocolNumber) NetworkEndpoint { +func (n *nic) getNetworkEndpoint(proto tcpip.NetworkProtocolNumber) NetworkEndpoint { return n.networkEndpoints[proto] } // Enabled implements NetworkInterface. -func (n *NIC) Enabled() bool { +func (n *nic) Enabled() bool { return atomic.LoadUint32(&n.enabled) == 1 } // setEnabled sets the enabled status for the NIC. // // Returns true if the enabled status was updated. -func (n *NIC) setEnabled(v bool) bool { +func (n *nic) setEnabled(v bool) bool { if v { return atomic.SwapUint32(&n.enabled, 1) == 0 } @@ -234,7 +234,7 @@ func (n *NIC) setEnabled(v bool) bool { // disable disables n. // // It undoes the work done by enable. -func (n *NIC) disable() { +func (n *nic) disable() { n.mu.Lock() n.disableLocked() n.mu.Unlock() @@ -245,7 +245,7 @@ func (n *NIC) disable() { // It undoes the work done by enable. // // n MUST be locked. -func (n *NIC) disableLocked() { +func (n *nic) disableLocked() { if !n.Enabled() { return } @@ -283,7 +283,7 @@ func (n *NIC) disableLocked() { // address (ff02::1), start DAD for permanent addresses, and start soliciting // routers if the stack is not operating as a router. If the stack is also // configured to auto-generate a link-local address, one will be generated. -func (n *NIC) enable() tcpip.Error { +func (n *nic) enable() tcpip.Error { n.mu.Lock() defer n.mu.Unlock() @@ -303,7 +303,7 @@ func (n *NIC) enable() tcpip.Error { // remove detaches NIC from the link endpoint and releases network endpoint // resources. This guarantees no packets between this NIC and the network // stack. -func (n *NIC) remove() tcpip.Error { +func (n *nic) remove() tcpip.Error { n.mu.Lock() defer n.mu.Unlock() @@ -319,14 +319,14 @@ func (n *NIC) remove() tcpip.Error { } // setPromiscuousMode enables or disables promiscuous mode. -func (n *NIC) setPromiscuousMode(enable bool) { +func (n *nic) setPromiscuousMode(enable bool) { n.mu.Lock() n.mu.promiscuous = enable n.mu.Unlock() } // Promiscuous implements NetworkInterface. -func (n *NIC) Promiscuous() bool { +func (n *nic) Promiscuous() bool { n.mu.RLock() rv := n.mu.promiscuous n.mu.RUnlock() @@ -334,17 +334,17 @@ func (n *NIC) Promiscuous() bool { } // IsLoopback implements NetworkInterface. -func (n *NIC) IsLoopback() bool { +func (n *nic) IsLoopback() bool { return n.LinkEndpoint.Capabilities()&CapabilityLoopback != 0 } // WritePacket implements NetworkLinkEndpoint. -func (n *NIC) WritePacket(r *Route, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) tcpip.Error { +func (n *nic) WritePacket(r *Route, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) tcpip.Error { _, err := n.enqueuePacketBuffer(r, gso, protocol, pkt) return err } -func (n *NIC) writePacketBuffer(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt pendingPacketBuffer) (int, tcpip.Error) { +func (n *nic) writePacketBuffer(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt pendingPacketBuffer) (int, tcpip.Error) { switch pkt := pkt.(type) { case *PacketBuffer: if err := n.writePacket(r, gso, protocol, pkt); err != nil { @@ -358,7 +358,7 @@ func (n *NIC) writePacketBuffer(r RouteInfo, gso *GSO, protocol tcpip.NetworkPro } } -func (n *NIC) enqueuePacketBuffer(r *Route, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt pendingPacketBuffer) (int, tcpip.Error) { +func (n *nic) enqueuePacketBuffer(r *Route, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt pendingPacketBuffer) (int, tcpip.Error) { routeInfo, _, err := r.resolvedFields(nil) switch err.(type) { case nil: @@ -388,14 +388,14 @@ func (n *NIC) enqueuePacketBuffer(r *Route, gso *GSO, protocol tcpip.NetworkProt } // WritePacketToRemote implements NetworkInterface. -func (n *NIC) WritePacketToRemote(remoteLinkAddr tcpip.LinkAddress, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) tcpip.Error { +func (n *nic) WritePacketToRemote(remoteLinkAddr tcpip.LinkAddress, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) tcpip.Error { var r RouteInfo r.NetProto = protocol r.RemoteLinkAddress = remoteLinkAddr return n.writePacket(r, gso, protocol, pkt) } -func (n *NIC) writePacket(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) tcpip.Error { +func (n *nic) writePacket(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) tcpip.Error { // WritePacket takes ownership of pkt, calculate numBytes first. numBytes := pkt.Size() @@ -412,11 +412,11 @@ func (n *NIC) writePacket(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolN } // WritePackets implements NetworkLinkEndpoint. -func (n *NIC) WritePackets(r *Route, gso *GSO, pkts PacketBufferList, protocol tcpip.NetworkProtocolNumber) (int, tcpip.Error) { +func (n *nic) WritePackets(r *Route, gso *GSO, pkts PacketBufferList, protocol tcpip.NetworkProtocolNumber) (int, tcpip.Error) { return n.enqueuePacketBuffer(r, gso, protocol, &pkts) } -func (n *NIC) writePackets(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkts PacketBufferList) (int, tcpip.Error) { +func (n *nic) writePackets(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocolNumber, pkts PacketBufferList) (int, tcpip.Error) { for pkt := pkts.Front(); pkt != nil; pkt = pkt.Next() { pkt.EgressRoute = r pkt.GSOOptions = gso @@ -435,14 +435,14 @@ func (n *NIC) writePackets(r RouteInfo, gso *GSO, protocol tcpip.NetworkProtocol } // setSpoofing enables or disables address spoofing. -func (n *NIC) setSpoofing(enable bool) { +func (n *nic) setSpoofing(enable bool) { n.mu.Lock() n.mu.spoofing = enable n.mu.Unlock() } // Spoofing implements NetworkInterface. -func (n *NIC) Spoofing() bool { +func (n *nic) Spoofing() bool { n.mu.RLock() defer n.mu.RUnlock() return n.mu.spoofing @@ -450,7 +450,7 @@ func (n *NIC) Spoofing() bool { // primaryAddress returns an address that can be used to communicate with // remoteAddr. -func (n *NIC) primaryEndpoint(protocol tcpip.NetworkProtocolNumber, remoteAddr tcpip.Address) AssignableAddressEndpoint { +func (n *nic) primaryEndpoint(protocol tcpip.NetworkProtocolNumber, remoteAddr tcpip.Address) AssignableAddressEndpoint { ep, ok := n.networkEndpoints[protocol] if !ok { return nil @@ -480,11 +480,11 @@ const ( promiscuous ) -func (n *NIC) getAddress(protocol tcpip.NetworkProtocolNumber, dst tcpip.Address) AssignableAddressEndpoint { +func (n *nic) getAddress(protocol tcpip.NetworkProtocolNumber, dst tcpip.Address) AssignableAddressEndpoint { return n.getAddressOrCreateTemp(protocol, dst, CanBePrimaryEndpoint, promiscuous) } -func (n *NIC) hasAddress(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) bool { +func (n *nic) hasAddress(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) bool { ep := n.getAddressOrCreateTempInner(protocol, addr, false, NeverPrimaryEndpoint) if ep != nil { ep.DecRef() @@ -495,7 +495,7 @@ func (n *NIC) hasAddress(protocol tcpip.NetworkProtocolNumber, addr tcpip.Addres } // findEndpoint finds the endpoint, if any, with the given address. -func (n *NIC) findEndpoint(protocol tcpip.NetworkProtocolNumber, address tcpip.Address, peb PrimaryEndpointBehavior) AssignableAddressEndpoint { +func (n *nic) findEndpoint(protocol tcpip.NetworkProtocolNumber, address tcpip.Address, peb PrimaryEndpointBehavior) AssignableAddressEndpoint { return n.getAddressOrCreateTemp(protocol, address, peb, spoofing) } @@ -508,7 +508,7 @@ func (n *NIC) findEndpoint(protocol tcpip.NetworkProtocolNumber, address tcpip.A // // If the address is the IPv4 broadcast address for an endpoint's network, that // endpoint will be returned. -func (n *NIC) getAddressOrCreateTemp(protocol tcpip.NetworkProtocolNumber, address tcpip.Address, peb PrimaryEndpointBehavior, tempRef getAddressBehaviour) AssignableAddressEndpoint { +func (n *nic) getAddressOrCreateTemp(protocol tcpip.NetworkProtocolNumber, address tcpip.Address, peb PrimaryEndpointBehavior, tempRef getAddressBehaviour) AssignableAddressEndpoint { n.mu.RLock() var spoofingOrPromiscuous bool switch tempRef { @@ -523,7 +523,7 @@ func (n *NIC) getAddressOrCreateTemp(protocol tcpip.NetworkProtocolNumber, addre // getAddressOrCreateTempInner is like getAddressEpOrCreateTemp except a boolean // is passed to indicate whether or not we should generate temporary endpoints. -func (n *NIC) getAddressOrCreateTempInner(protocol tcpip.NetworkProtocolNumber, address tcpip.Address, createTemp bool, peb PrimaryEndpointBehavior) AssignableAddressEndpoint { +func (n *nic) getAddressOrCreateTempInner(protocol tcpip.NetworkProtocolNumber, address tcpip.Address, createTemp bool, peb PrimaryEndpointBehavior) AssignableAddressEndpoint { ep, ok := n.networkEndpoints[protocol] if !ok { return nil @@ -539,7 +539,7 @@ func (n *NIC) getAddressOrCreateTempInner(protocol tcpip.NetworkProtocolNumber, // addAddress adds a new address to n, so that it starts accepting packets // targeted at the given address (and network protocol). -func (n *NIC) addAddress(protocolAddress tcpip.ProtocolAddress, peb PrimaryEndpointBehavior) tcpip.Error { +func (n *nic) addAddress(protocolAddress tcpip.ProtocolAddress, peb PrimaryEndpointBehavior) tcpip.Error { ep, ok := n.networkEndpoints[protocolAddress.Protocol] if !ok { return &tcpip.ErrUnknownProtocol{} @@ -560,7 +560,7 @@ func (n *NIC) addAddress(protocolAddress tcpip.ProtocolAddress, peb PrimaryEndpo // allPermanentAddresses returns all permanent addresses associated with // this NIC. -func (n *NIC) allPermanentAddresses() []tcpip.ProtocolAddress { +func (n *nic) allPermanentAddresses() []tcpip.ProtocolAddress { var addrs []tcpip.ProtocolAddress for p, ep := range n.networkEndpoints { addressableEndpoint, ok := ep.(AddressableEndpoint) @@ -576,7 +576,7 @@ func (n *NIC) allPermanentAddresses() []tcpip.ProtocolAddress { } // primaryAddresses returns the primary addresses associated with this NIC. -func (n *NIC) primaryAddresses() []tcpip.ProtocolAddress { +func (n *nic) primaryAddresses() []tcpip.ProtocolAddress { var addrs []tcpip.ProtocolAddress for p, ep := range n.networkEndpoints { addressableEndpoint, ok := ep.(AddressableEndpoint) @@ -596,7 +596,7 @@ func (n *NIC) primaryAddresses() []tcpip.ProtocolAddress { // primaryAddress will return the first non-deprecated address if such an // address exists. If no non-deprecated address exists, the first deprecated // address will be returned. -func (n *NIC) primaryAddress(proto tcpip.NetworkProtocolNumber) tcpip.AddressWithPrefix { +func (n *nic) primaryAddress(proto tcpip.NetworkProtocolNumber) tcpip.AddressWithPrefix { ep, ok := n.networkEndpoints[proto] if !ok { return tcpip.AddressWithPrefix{} @@ -611,7 +611,7 @@ func (n *NIC) primaryAddress(proto tcpip.NetworkProtocolNumber) tcpip.AddressWit } // removeAddress removes an address from n. -func (n *NIC) removeAddress(addr tcpip.Address) tcpip.Error { +func (n *nic) removeAddress(addr tcpip.Address) tcpip.Error { for _, ep := range n.networkEndpoints { addressableEndpoint, ok := ep.(AddressableEndpoint) if !ok { @@ -629,7 +629,7 @@ func (n *NIC) removeAddress(addr tcpip.Address) tcpip.Error { return &tcpip.ErrBadLocalAddress{} } -func (n *NIC) getLinkAddress(addr, localAddr tcpip.Address, protocol tcpip.NetworkProtocolNumber, onResolve func(LinkResolutionResult)) tcpip.Error { +func (n *nic) getLinkAddress(addr, localAddr tcpip.Address, protocol tcpip.NetworkProtocolNumber, onResolve func(LinkResolutionResult)) tcpip.Error { linkRes, ok := n.linkAddrResolvers[protocol] if !ok { return &tcpip.ErrNotSupported{} @@ -644,7 +644,7 @@ func (n *NIC) getLinkAddress(addr, localAddr tcpip.Address, protocol tcpip.Netwo return err } -func (n *NIC) neighbors(protocol tcpip.NetworkProtocolNumber) ([]NeighborEntry, tcpip.Error) { +func (n *nic) neighbors(protocol tcpip.NetworkProtocolNumber) ([]NeighborEntry, tcpip.Error) { if linkRes, ok := n.linkAddrResolvers[protocol]; ok { return linkRes.neighborTable.neighbors() } @@ -652,7 +652,7 @@ func (n *NIC) neighbors(protocol tcpip.NetworkProtocolNumber) ([]NeighborEntry, return nil, &tcpip.ErrNotSupported{} } -func (n *NIC) addStaticNeighbor(addr tcpip.Address, protocol tcpip.NetworkProtocolNumber, linkAddress tcpip.LinkAddress) tcpip.Error { +func (n *nic) addStaticNeighbor(addr tcpip.Address, protocol tcpip.NetworkProtocolNumber, linkAddress tcpip.LinkAddress) tcpip.Error { if linkRes, ok := n.linkAddrResolvers[protocol]; ok { linkRes.neighborTable.addStaticEntry(addr, linkAddress) return nil @@ -661,7 +661,7 @@ func (n *NIC) addStaticNeighbor(addr tcpip.Address, protocol tcpip.NetworkProtoc return &tcpip.ErrNotSupported{} } -func (n *NIC) removeNeighbor(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error { +func (n *nic) removeNeighbor(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error { if linkRes, ok := n.linkAddrResolvers[protocol]; ok { return linkRes.neighborTable.remove(addr) } @@ -669,7 +669,7 @@ func (n *NIC) removeNeighbor(protocol tcpip.NetworkProtocolNumber, addr tcpip.Ad return &tcpip.ErrNotSupported{} } -func (n *NIC) clearNeighbors(protocol tcpip.NetworkProtocolNumber) tcpip.Error { +func (n *nic) clearNeighbors(protocol tcpip.NetworkProtocolNumber) tcpip.Error { if linkRes, ok := n.linkAddrResolvers[protocol]; ok { return linkRes.neighborTable.removeAll() } @@ -679,7 +679,7 @@ func (n *NIC) clearNeighbors(protocol tcpip.NetworkProtocolNumber) tcpip.Error { // joinGroup adds a new endpoint for the given multicast address, if none // exists yet. Otherwise it just increments its count. -func (n *NIC) joinGroup(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error { +func (n *nic) joinGroup(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error { // TODO(b/143102137): When implementing MLD, make sure MLD packets are // not sent unless a valid link-local address is available for use on n // as an MLD packet's source address must be a link-local address as @@ -700,7 +700,7 @@ func (n *NIC) joinGroup(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address // leaveGroup decrements the count for the given multicast address, and when it // reaches zero removes the endpoint for this address. -func (n *NIC) leaveGroup(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error { +func (n *nic) leaveGroup(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error { ep, ok := n.networkEndpoints[protocol] if !ok { return &tcpip.ErrNotSupported{} @@ -715,7 +715,7 @@ func (n *NIC) leaveGroup(protocol tcpip.NetworkProtocolNumber, addr tcpip.Addres } // isInGroup returns true if n has joined the multicast group addr. -func (n *NIC) isInGroup(addr tcpip.Address) bool { +func (n *nic) isInGroup(addr tcpip.Address) bool { for _, ep := range n.networkEndpoints { gep, ok := ep.(GroupAddressableEndpoint) if !ok { @@ -736,7 +736,7 @@ func (n *NIC) isInGroup(addr tcpip.Address) bool { // Note that the ownership of the slice backing vv is retained by the caller. // This rule applies only to the slice itself, not to the items of the slice; // the ownership of the items is not retained by the caller. -func (n *NIC) DeliverNetworkPacket(remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) { +func (n *nic) DeliverNetworkPacket(remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) { n.mu.RLock() enabled := n.Enabled() // If the NIC is not yet enabled, don't receive any packets. @@ -788,7 +788,7 @@ func (n *NIC) DeliverNetworkPacket(remote, local tcpip.LinkAddress, protocol tcp } // DeliverOutboundPacket implements NetworkDispatcher.DeliverOutboundPacket. -func (n *NIC) DeliverOutboundPacket(remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) { +func (n *nic) DeliverOutboundPacket(remote, local tcpip.LinkAddress, protocol tcpip.NetworkProtocolNumber, pkt *PacketBuffer) { n.mu.RLock() // We do not deliver to protocol specific packet endpoints as on Linux // only ETH_P_ALL endpoints get outbound packets. @@ -808,7 +808,7 @@ func (n *NIC) DeliverOutboundPacket(remote, local tcpip.LinkAddress, protocol tc // DeliverTransportPacket delivers the packets to the appropriate transport // protocol endpoint. -func (n *NIC) DeliverTransportPacket(protocol tcpip.TransportProtocolNumber, pkt *PacketBuffer) TransportPacketDisposition { +func (n *nic) DeliverTransportPacket(protocol tcpip.TransportProtocolNumber, pkt *PacketBuffer) TransportPacketDisposition { state, ok := n.stack.transportProtocols[protocol] if !ok { n.stack.stats.UnknownProtocolRcvdPackets.Increment() @@ -889,7 +889,7 @@ func (n *NIC) DeliverTransportPacket(protocol tcpip.TransportProtocolNumber, pkt } // DeliverTransportError implements TransportDispatcher. -func (n *NIC) DeliverTransportError(local, remote tcpip.Address, net tcpip.NetworkProtocolNumber, trans tcpip.TransportProtocolNumber, transErr TransportError, pkt *PacketBuffer) { +func (n *nic) DeliverTransportError(local, remote tcpip.Address, net tcpip.NetworkProtocolNumber, trans tcpip.TransportProtocolNumber, transErr TransportError, pkt *PacketBuffer) { state, ok := n.stack.transportProtocols[trans] if !ok { return @@ -917,17 +917,17 @@ func (n *NIC) DeliverTransportError(local, remote tcpip.Address, net tcpip.Netwo } // ID implements NetworkInterface. -func (n *NIC) ID() tcpip.NICID { +func (n *nic) ID() tcpip.NICID { return n.id } // Name implements NetworkInterface. -func (n *NIC) Name() string { +func (n *nic) Name() string { return n.name } // nudConfigs gets the NUD configurations for n. -func (n *NIC) nudConfigs(protocol tcpip.NetworkProtocolNumber) (NUDConfigurations, tcpip.Error) { +func (n *nic) nudConfigs(protocol tcpip.NetworkProtocolNumber) (NUDConfigurations, tcpip.Error) { if linkRes, ok := n.linkAddrResolvers[protocol]; ok { return linkRes.neighborTable.nudConfig() } @@ -939,7 +939,7 @@ func (n *NIC) nudConfigs(protocol tcpip.NetworkProtocolNumber) (NUDConfiguration // // Note, if c contains invalid NUD configuration values, it will be fixed to // use default values for the erroneous values. -func (n *NIC) setNUDConfigs(protocol tcpip.NetworkProtocolNumber, c NUDConfigurations) tcpip.Error { +func (n *nic) setNUDConfigs(protocol tcpip.NetworkProtocolNumber, c NUDConfigurations) tcpip.Error { if linkRes, ok := n.linkAddrResolvers[protocol]; ok { c.resetInvalidFields() return linkRes.neighborTable.setNUDConfig(c) @@ -948,7 +948,7 @@ func (n *NIC) setNUDConfigs(protocol tcpip.NetworkProtocolNumber, c NUDConfigura return &tcpip.ErrNotSupported{} } -func (n *NIC) registerPacketEndpoint(netProto tcpip.NetworkProtocolNumber, ep PacketEndpoint) tcpip.Error { +func (n *nic) registerPacketEndpoint(netProto tcpip.NetworkProtocolNumber, ep PacketEndpoint) tcpip.Error { n.mu.Lock() defer n.mu.Unlock() @@ -961,7 +961,7 @@ func (n *NIC) registerPacketEndpoint(netProto tcpip.NetworkProtocolNumber, ep Pa return nil } -func (n *NIC) unregisterPacketEndpoint(netProto tcpip.NetworkProtocolNumber, ep PacketEndpoint) { +func (n *nic) unregisterPacketEndpoint(netProto tcpip.NetworkProtocolNumber, ep PacketEndpoint) { n.mu.Lock() defer n.mu.Unlock() @@ -975,7 +975,7 @@ func (n *NIC) unregisterPacketEndpoint(netProto tcpip.NetworkProtocolNumber, ep // isValidForOutgoing returns true if the endpoint can be used to send out a // packet. It requires the endpoint to not be marked expired (i.e., its address // has been removed) unless the NIC is in spoofing mode, or temporary. -func (n *NIC) isValidForOutgoing(ep AssignableAddressEndpoint) bool { +func (n *nic) isValidForOutgoing(ep AssignableAddressEndpoint) bool { n.mu.RLock() spoofing := n.mu.spoofing n.mu.RUnlock() @@ -983,7 +983,7 @@ func (n *NIC) isValidForOutgoing(ep AssignableAddressEndpoint) bool { } // HandleNeighborProbe implements NetworkInterface. -func (n *NIC) HandleNeighborProbe(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address, linkAddr tcpip.LinkAddress) tcpip.Error { +func (n *nic) HandleNeighborProbe(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address, linkAddr tcpip.LinkAddress) tcpip.Error { if l, ok := n.linkAddrResolvers[protocol]; ok { l.neighborTable.handleProbe(addr, linkAddr) return nil @@ -993,7 +993,7 @@ func (n *NIC) HandleNeighborProbe(protocol tcpip.NetworkProtocolNumber, addr tcp } // HandleNeighborConfirmation implements NetworkInterface. -func (n *NIC) HandleNeighborConfirmation(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address, linkAddr tcpip.LinkAddress, flags ReachabilityConfirmationFlags) tcpip.Error { +func (n *nic) HandleNeighborConfirmation(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address, linkAddr tcpip.LinkAddress, flags ReachabilityConfirmationFlags) tcpip.Error { if l, ok := n.linkAddrResolvers[protocol]; ok { l.neighborTable.handleConfirmation(addr, linkAddr, flags) return nil @@ -1003,7 +1003,7 @@ func (n *NIC) HandleNeighborConfirmation(protocol tcpip.NetworkProtocolNumber, a } // CheckLocalAddress implements NetworkInterface. -func (n *NIC) CheckLocalAddress(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) bool { +func (n *nic) CheckLocalAddress(protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) bool { if n.Spoofing() { return true } |