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Diffstat (limited to 'pkg/tcpip/stack/stack.go')
-rw-r--r--pkg/tcpip/stack/stack.go176
1 files changed, 88 insertions, 88 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go
index e9c5db4c3..e56183e71 100644
--- a/pkg/tcpip/stack/stack.go
+++ b/pkg/tcpip/stack/stack.go
@@ -552,7 +552,7 @@ type TransportEndpointInfo struct {
// incompatible with the receiver.
//
// Preconditon: the parent endpoint mu must be held while calling this method.
-func (t *TransportEndpointInfo) AddrNetProtoLocked(addr tcpip.FullAddress, v6only bool) (tcpip.FullAddress, tcpip.NetworkProtocolNumber, *tcpip.Error) {
+func (t *TransportEndpointInfo) AddrNetProtoLocked(addr tcpip.FullAddress, v6only bool) (tcpip.FullAddress, tcpip.NetworkProtocolNumber, tcpip.Error) {
netProto := t.NetProto
switch len(addr.Addr) {
case header.IPv4AddressSize:
@@ -570,11 +570,11 @@ func (t *TransportEndpointInfo) AddrNetProtoLocked(addr tcpip.FullAddress, v6onl
switch len(t.ID.LocalAddress) {
case header.IPv4AddressSize:
if len(addr.Addr) == header.IPv6AddressSize {
- return tcpip.FullAddress{}, 0, tcpip.ErrInvalidEndpointState
+ return tcpip.FullAddress{}, 0, &tcpip.ErrInvalidEndpointState{}
}
case header.IPv6AddressSize:
if len(addr.Addr) == header.IPv4AddressSize {
- return tcpip.FullAddress{}, 0, tcpip.ErrNetworkUnreachable
+ return tcpip.FullAddress{}, 0, &tcpip.ErrNetworkUnreachable{}
}
}
@@ -582,10 +582,10 @@ func (t *TransportEndpointInfo) AddrNetProtoLocked(addr tcpip.FullAddress, v6onl
case netProto == t.NetProto:
case netProto == header.IPv4ProtocolNumber && t.NetProto == header.IPv6ProtocolNumber:
if v6only {
- return tcpip.FullAddress{}, 0, tcpip.ErrNoRoute
+ return tcpip.FullAddress{}, 0, &tcpip.ErrNoRoute{}
}
default:
- return tcpip.FullAddress{}, 0, tcpip.ErrInvalidEndpointState
+ return tcpip.FullAddress{}, 0, &tcpip.ErrInvalidEndpointState{}
}
return addr, netProto, nil
@@ -698,10 +698,10 @@ func (s *Stack) UniqueID() uint64 {
// options. This method returns an error if the protocol is not supported or
// option is not supported by the protocol implementation or the provided value
// is incorrect.
-func (s *Stack) SetNetworkProtocolOption(network tcpip.NetworkProtocolNumber, option tcpip.SettableNetworkProtocolOption) *tcpip.Error {
+func (s *Stack) SetNetworkProtocolOption(network tcpip.NetworkProtocolNumber, option tcpip.SettableNetworkProtocolOption) tcpip.Error {
netProto, ok := s.networkProtocols[network]
if !ok {
- return tcpip.ErrUnknownProtocol
+ return &tcpip.ErrUnknownProtocol{}
}
return netProto.SetOption(option)
}
@@ -715,10 +715,10 @@ func (s *Stack) SetNetworkProtocolOption(network tcpip.NetworkProtocolNumber, op
// if err != nil {
// ...
// }
-func (s *Stack) NetworkProtocolOption(network tcpip.NetworkProtocolNumber, option tcpip.GettableNetworkProtocolOption) *tcpip.Error {
+func (s *Stack) NetworkProtocolOption(network tcpip.NetworkProtocolNumber, option tcpip.GettableNetworkProtocolOption) tcpip.Error {
netProto, ok := s.networkProtocols[network]
if !ok {
- return tcpip.ErrUnknownProtocol
+ return &tcpip.ErrUnknownProtocol{}
}
return netProto.Option(option)
}
@@ -727,10 +727,10 @@ func (s *Stack) NetworkProtocolOption(network tcpip.NetworkProtocolNumber, optio
// options. This method returns an error if the protocol is not supported or
// option is not supported by the protocol implementation or the provided value
// is incorrect.
-func (s *Stack) SetTransportProtocolOption(transport tcpip.TransportProtocolNumber, option tcpip.SettableTransportProtocolOption) *tcpip.Error {
+func (s *Stack) SetTransportProtocolOption(transport tcpip.TransportProtocolNumber, option tcpip.SettableTransportProtocolOption) tcpip.Error {
transProtoState, ok := s.transportProtocols[transport]
if !ok {
- return tcpip.ErrUnknownProtocol
+ return &tcpip.ErrUnknownProtocol{}
}
return transProtoState.proto.SetOption(option)
}
@@ -742,10 +742,10 @@ func (s *Stack) SetTransportProtocolOption(transport tcpip.TransportProtocolNumb
// if err := s.TransportProtocolOption(tcpip.TCPProtocolNumber, &v); err != nil {
// ...
// }
-func (s *Stack) TransportProtocolOption(transport tcpip.TransportProtocolNumber, option tcpip.GettableTransportProtocolOption) *tcpip.Error {
+func (s *Stack) TransportProtocolOption(transport tcpip.TransportProtocolNumber, option tcpip.GettableTransportProtocolOption) tcpip.Error {
transProtoState, ok := s.transportProtocols[transport]
if !ok {
- return tcpip.ErrUnknownProtocol
+ return &tcpip.ErrUnknownProtocol{}
}
return transProtoState.proto.Option(option)
}
@@ -778,15 +778,15 @@ func (s *Stack) Stats() tcpip.Stats {
// SetForwarding enables or disables packet forwarding between NICs for the
// passed protocol.
-func (s *Stack) SetForwarding(protocolNum tcpip.NetworkProtocolNumber, enable bool) *tcpip.Error {
+func (s *Stack) SetForwarding(protocolNum tcpip.NetworkProtocolNumber, enable bool) tcpip.Error {
protocol, ok := s.networkProtocols[protocolNum]
if !ok {
- return tcpip.ErrUnknownProtocol
+ return &tcpip.ErrUnknownProtocol{}
}
forwardingProtocol, ok := protocol.(ForwardingNetworkProtocol)
if !ok {
- return tcpip.ErrNotSupported
+ return &tcpip.ErrNotSupported{}
}
forwardingProtocol.SetForwarding(enable)
@@ -849,10 +849,10 @@ func (s *Stack) RemoveRoutes(match func(tcpip.Route) bool) {
}
// NewEndpoint creates a new transport layer endpoint of the given protocol.
-func (s *Stack) NewEndpoint(transport tcpip.TransportProtocolNumber, network tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue) (tcpip.Endpoint, *tcpip.Error) {
+func (s *Stack) NewEndpoint(transport tcpip.TransportProtocolNumber, network tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue) (tcpip.Endpoint, tcpip.Error) {
t, ok := s.transportProtocols[transport]
if !ok {
- return nil, tcpip.ErrUnknownProtocol
+ return nil, &tcpip.ErrUnknownProtocol{}
}
return t.proto.NewEndpoint(network, waiterQueue)
@@ -861,9 +861,9 @@ func (s *Stack) NewEndpoint(transport tcpip.TransportProtocolNumber, network tcp
// NewRawEndpoint creates a new raw transport layer endpoint of the given
// protocol. Raw endpoints receive all traffic for a given protocol regardless
// of address.
-func (s *Stack) NewRawEndpoint(transport tcpip.TransportProtocolNumber, network tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue, associated bool) (tcpip.Endpoint, *tcpip.Error) {
+func (s *Stack) NewRawEndpoint(transport tcpip.TransportProtocolNumber, network tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue, associated bool) (tcpip.Endpoint, tcpip.Error) {
if s.rawFactory == nil {
- return nil, tcpip.ErrNotPermitted
+ return nil, &tcpip.ErrNotPermitted{}
}
if !associated {
@@ -872,7 +872,7 @@ func (s *Stack) NewRawEndpoint(transport tcpip.TransportProtocolNumber, network
t, ok := s.transportProtocols[transport]
if !ok {
- return nil, tcpip.ErrUnknownProtocol
+ return nil, &tcpip.ErrUnknownProtocol{}
}
return t.proto.NewRawEndpoint(network, waiterQueue)
@@ -880,9 +880,9 @@ func (s *Stack) NewRawEndpoint(transport tcpip.TransportProtocolNumber, network
// NewPacketEndpoint creates a new packet endpoint listening for the given
// netProto.
-func (s *Stack) NewPacketEndpoint(cooked bool, netProto tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue) (tcpip.Endpoint, *tcpip.Error) {
+func (s *Stack) NewPacketEndpoint(cooked bool, netProto tcpip.NetworkProtocolNumber, waiterQueue *waiter.Queue) (tcpip.Endpoint, tcpip.Error) {
if s.rawFactory == nil {
- return nil, tcpip.ErrNotPermitted
+ return nil, &tcpip.ErrNotPermitted{}
}
return s.rawFactory.NewPacketEndpoint(s, cooked, netProto, waiterQueue)
@@ -913,20 +913,20 @@ type NICOptions struct {
// NICs can be configured.
//
// LinkEndpoint.Attach will be called to bind ep with a NetworkDispatcher.
-func (s *Stack) CreateNICWithOptions(id tcpip.NICID, ep LinkEndpoint, opts NICOptions) *tcpip.Error {
+func (s *Stack) CreateNICWithOptions(id tcpip.NICID, ep LinkEndpoint, opts NICOptions) tcpip.Error {
s.mu.Lock()
defer s.mu.Unlock()
// Make sure id is unique.
if _, ok := s.nics[id]; ok {
- return tcpip.ErrDuplicateNICID
+ return &tcpip.ErrDuplicateNICID{}
}
// Make sure name is unique, unless unnamed.
if opts.Name != "" {
for _, n := range s.nics {
if n.Name() == opts.Name {
- return tcpip.ErrDuplicateNICID
+ return &tcpip.ErrDuplicateNICID{}
}
}
}
@@ -942,7 +942,7 @@ func (s *Stack) CreateNICWithOptions(id tcpip.NICID, ep LinkEndpoint, opts NICOp
// CreateNIC creates a NIC with the provided id and LinkEndpoint and calls
// LinkEndpoint.Attach to bind ep with a NetworkDispatcher.
-func (s *Stack) CreateNIC(id tcpip.NICID, ep LinkEndpoint) *tcpip.Error {
+func (s *Stack) CreateNIC(id tcpip.NICID, ep LinkEndpoint) tcpip.Error {
return s.CreateNICWithOptions(id, ep, NICOptions{})
}
@@ -960,26 +960,26 @@ func (s *Stack) GetLinkEndpointByName(name string) LinkEndpoint {
// EnableNIC enables the given NIC so that the link-layer endpoint can start
// delivering packets to it.
-func (s *Stack) EnableNIC(id tcpip.NICID) *tcpip.Error {
+func (s *Stack) EnableNIC(id tcpip.NICID) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
nic, ok := s.nics[id]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
return nic.enable()
}
// DisableNIC disables the given NIC.
-func (s *Stack) DisableNIC(id tcpip.NICID) *tcpip.Error {
+func (s *Stack) DisableNIC(id tcpip.NICID) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
nic, ok := s.nics[id]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
nic.disable()
@@ -1000,7 +1000,7 @@ func (s *Stack) CheckNIC(id tcpip.NICID) bool {
}
// RemoveNIC removes NIC and all related routes from the network stack.
-func (s *Stack) RemoveNIC(id tcpip.NICID) *tcpip.Error {
+func (s *Stack) RemoveNIC(id tcpip.NICID) tcpip.Error {
s.mu.Lock()
defer s.mu.Unlock()
@@ -1010,10 +1010,10 @@ func (s *Stack) RemoveNIC(id tcpip.NICID) *tcpip.Error {
// removeNICLocked removes NIC and all related routes from the network stack.
//
// s.mu must be locked.
-func (s *Stack) removeNICLocked(id tcpip.NICID) *tcpip.Error {
+func (s *Stack) removeNICLocked(id tcpip.NICID) tcpip.Error {
nic, ok := s.nics[id]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
delete(s.nics, id)
@@ -1118,13 +1118,13 @@ type NICStateFlags struct {
}
// AddAddress adds a new network-layer address to the specified NIC.
-func (s *Stack) AddAddress(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) *tcpip.Error {
+func (s *Stack) AddAddress(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber, addr tcpip.Address) tcpip.Error {
return s.AddAddressWithOptions(id, protocol, addr, CanBePrimaryEndpoint)
}
// AddAddressWithPrefix is the same as AddAddress, but allows you to specify
// the address prefix.
-func (s *Stack) AddAddressWithPrefix(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber, addr tcpip.AddressWithPrefix) *tcpip.Error {
+func (s *Stack) AddAddressWithPrefix(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber, addr tcpip.AddressWithPrefix) tcpip.Error {
ap := tcpip.ProtocolAddress{
Protocol: protocol,
AddressWithPrefix: addr,
@@ -1134,16 +1134,16 @@ func (s *Stack) AddAddressWithPrefix(id tcpip.NICID, protocol tcpip.NetworkProto
// AddProtocolAddress adds a new network-layer protocol address to the
// specified NIC.
-func (s *Stack) AddProtocolAddress(id tcpip.NICID, protocolAddress tcpip.ProtocolAddress) *tcpip.Error {
+func (s *Stack) AddProtocolAddress(id tcpip.NICID, protocolAddress tcpip.ProtocolAddress) tcpip.Error {
return s.AddProtocolAddressWithOptions(id, protocolAddress, CanBePrimaryEndpoint)
}
// AddAddressWithOptions is the same as AddAddress, but allows you to specify
// whether the new endpoint can be primary or not.
-func (s *Stack) AddAddressWithOptions(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber, addr tcpip.Address, peb PrimaryEndpointBehavior) *tcpip.Error {
+func (s *Stack) AddAddressWithOptions(id tcpip.NICID, protocol tcpip.NetworkProtocolNumber, addr tcpip.Address, peb PrimaryEndpointBehavior) tcpip.Error {
netProto, ok := s.networkProtocols[protocol]
if !ok {
- return tcpip.ErrUnknownProtocol
+ return &tcpip.ErrUnknownProtocol{}
}
return s.AddProtocolAddressWithOptions(id, tcpip.ProtocolAddress{
Protocol: protocol,
@@ -1156,13 +1156,13 @@ func (s *Stack) AddAddressWithOptions(id tcpip.NICID, protocol tcpip.NetworkProt
// AddProtocolAddressWithOptions is the same as AddProtocolAddress, but allows
// you to specify whether the new endpoint can be primary or not.
-func (s *Stack) AddProtocolAddressWithOptions(id tcpip.NICID, protocolAddress tcpip.ProtocolAddress, peb PrimaryEndpointBehavior) *tcpip.Error {
+func (s *Stack) AddProtocolAddressWithOptions(id tcpip.NICID, protocolAddress tcpip.ProtocolAddress, peb PrimaryEndpointBehavior) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
nic, ok := s.nics[id]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
return nic.addAddress(protocolAddress, peb)
@@ -1170,7 +1170,7 @@ func (s *Stack) AddProtocolAddressWithOptions(id tcpip.NICID, protocolAddress tc
// RemoveAddress removes an existing network-layer address from the specified
// NIC.
-func (s *Stack) RemoveAddress(id tcpip.NICID, addr tcpip.Address) *tcpip.Error {
+func (s *Stack) RemoveAddress(id tcpip.NICID, addr tcpip.Address) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
@@ -1178,7 +1178,7 @@ func (s *Stack) RemoveAddress(id tcpip.NICID, addr tcpip.Address) *tcpip.Error {
return nic.removeAddress(addr)
}
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
// AllAddresses returns a map of NICIDs to their protocol addresses (primary
@@ -1308,7 +1308,7 @@ func (s *Stack) findLocalRouteRLocked(localAddressNICID tcpip.NICID, localAddr,
// If no local address is provided, the stack will select a local address. If no
// remote address is provided, the stack wil use a remote address equal to the
// local address.
-func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, netProto tcpip.NetworkProtocolNumber, multicastLoop bool) (*Route, *tcpip.Error) {
+func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, netProto tcpip.NetworkProtocolNumber, multicastLoop bool) (*Route, tcpip.Error) {
s.mu.RLock()
defer s.mu.RUnlock()
@@ -1344,9 +1344,9 @@ func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, n
}
if isLoopback {
- return nil, tcpip.ErrBadLocalAddress
+ return nil, &tcpip.ErrBadLocalAddress{}
}
- return nil, tcpip.ErrNetworkUnreachable
+ return nil, &tcpip.ErrNetworkUnreachable{}
}
canForward := s.Forwarding(netProto) && !header.IsV6LinkLocalAddress(localAddr) && !isLinkLocal
@@ -1412,7 +1412,7 @@ func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, n
}
}
- return nil, tcpip.ErrNoRoute
+ return nil, &tcpip.ErrNoRoute{}
}
if id == 0 {
@@ -1432,12 +1432,12 @@ func (s *Stack) FindRoute(id tcpip.NICID, localAddr, remoteAddr tcpip.Address, n
}
if needRoute {
- return nil, tcpip.ErrNoRoute
+ return nil, &tcpip.ErrNoRoute{}
}
if header.IsV6LoopbackAddress(remoteAddr) {
- return nil, tcpip.ErrBadLocalAddress
+ return nil, &tcpip.ErrBadLocalAddress{}
}
- return nil, tcpip.ErrNetworkUnreachable
+ return nil, &tcpip.ErrNetworkUnreachable{}
}
// CheckNetworkProtocol checks if a given network protocol is enabled in the
@@ -1483,13 +1483,13 @@ func (s *Stack) CheckLocalAddress(nicID tcpip.NICID, protocol tcpip.NetworkProto
}
// SetPromiscuousMode enables or disables promiscuous mode in the given NIC.
-func (s *Stack) SetPromiscuousMode(nicID tcpip.NICID, enable bool) *tcpip.Error {
+func (s *Stack) SetPromiscuousMode(nicID tcpip.NICID, enable bool) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
nic, ok := s.nics[nicID]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
nic.setPromiscuousMode(enable)
@@ -1499,13 +1499,13 @@ func (s *Stack) SetPromiscuousMode(nicID tcpip.NICID, enable bool) *tcpip.Error
// SetSpoofing enables or disables address spoofing in the given NIC, allowing
// endpoints to bind to any address in the NIC.
-func (s *Stack) SetSpoofing(nicID tcpip.NICID, enable bool) *tcpip.Error {
+func (s *Stack) SetSpoofing(nicID tcpip.NICID, enable bool) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
nic, ok := s.nics[nicID]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
nic.setSpoofing(enable)
@@ -1514,13 +1514,13 @@ func (s *Stack) SetSpoofing(nicID tcpip.NICID, enable bool) *tcpip.Error {
}
// AddLinkAddress adds a link address for the neighbor on the specified NIC.
-func (s *Stack) AddLinkAddress(nicID tcpip.NICID, neighbor tcpip.Address, linkAddr tcpip.LinkAddress) *tcpip.Error {
+func (s *Stack) AddLinkAddress(nicID tcpip.NICID, neighbor tcpip.Address, linkAddr tcpip.LinkAddress) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
nic, ok := s.nics[nicID]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
nic.linkAddrCache.AddLinkAddress(neighbor, linkAddr)
@@ -1549,17 +1549,17 @@ type LinkResolutionResult struct {
// If specified, the local address must be an address local to the interface
// the neighbor cache belongs to. The local address is the source address of
// a packet prompting NUD/link address resolution.
-func (s *Stack) GetLinkAddress(nicID tcpip.NICID, addr, localAddr tcpip.Address, protocol tcpip.NetworkProtocolNumber, onResolve func(LinkResolutionResult)) *tcpip.Error {
+func (s *Stack) GetLinkAddress(nicID tcpip.NICID, addr, localAddr tcpip.Address, protocol tcpip.NetworkProtocolNumber, onResolve func(LinkResolutionResult)) tcpip.Error {
s.mu.RLock()
nic, ok := s.nics[nicID]
s.mu.RUnlock()
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
linkRes, ok := s.linkAddrResolvers[protocol]
if !ok {
- return tcpip.ErrNotSupported
+ return &tcpip.ErrNotSupported{}
}
if linkAddr, ok := linkRes.ResolveStaticAddress(addr); ok {
@@ -1572,26 +1572,26 @@ func (s *Stack) GetLinkAddress(nicID tcpip.NICID, addr, localAddr tcpip.Address,
}
// Neighbors returns all IP to MAC address associations.
-func (s *Stack) Neighbors(nicID tcpip.NICID) ([]NeighborEntry, *tcpip.Error) {
+func (s *Stack) Neighbors(nicID tcpip.NICID) ([]NeighborEntry, tcpip.Error) {
s.mu.RLock()
nic, ok := s.nics[nicID]
s.mu.RUnlock()
if !ok {
- return nil, tcpip.ErrUnknownNICID
+ return nil, &tcpip.ErrUnknownNICID{}
}
return nic.neighbors()
}
// AddStaticNeighbor statically associates an IP address to a MAC address.
-func (s *Stack) AddStaticNeighbor(nicID tcpip.NICID, addr tcpip.Address, linkAddr tcpip.LinkAddress) *tcpip.Error {
+func (s *Stack) AddStaticNeighbor(nicID tcpip.NICID, addr tcpip.Address, linkAddr tcpip.LinkAddress) tcpip.Error {
s.mu.RLock()
nic, ok := s.nics[nicID]
s.mu.RUnlock()
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
return nic.addStaticNeighbor(addr, linkAddr)
@@ -1600,26 +1600,26 @@ func (s *Stack) AddStaticNeighbor(nicID tcpip.NICID, addr tcpip.Address, linkAdd
// RemoveNeighbor removes an IP to MAC address association previously created
// either automically or by AddStaticNeighbor. Returns ErrBadAddress if there
// is no association with the provided address.
-func (s *Stack) RemoveNeighbor(nicID tcpip.NICID, addr tcpip.Address) *tcpip.Error {
+func (s *Stack) RemoveNeighbor(nicID tcpip.NICID, addr tcpip.Address) tcpip.Error {
s.mu.RLock()
nic, ok := s.nics[nicID]
s.mu.RUnlock()
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
return nic.removeNeighbor(addr)
}
// ClearNeighbors removes all IP to MAC address associations.
-func (s *Stack) ClearNeighbors(nicID tcpip.NICID) *tcpip.Error {
+func (s *Stack) ClearNeighbors(nicID tcpip.NICID) tcpip.Error {
s.mu.RLock()
nic, ok := s.nics[nicID]
s.mu.RUnlock()
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
return nic.clearNeighbors()
@@ -1629,13 +1629,13 @@ func (s *Stack) ClearNeighbors(nicID tcpip.NICID) *tcpip.Error {
// transport dispatcher. Received packets that match the provided id will be
// delivered to the given endpoint; specifying a nic is optional, but
// nic-specific IDs have precedence over global ones.
-func (s *Stack) RegisterTransportEndpoint(netProtos []tcpip.NetworkProtocolNumber, protocol tcpip.TransportProtocolNumber, id TransportEndpointID, ep TransportEndpoint, flags ports.Flags, bindToDevice tcpip.NICID) *tcpip.Error {
+func (s *Stack) RegisterTransportEndpoint(netProtos []tcpip.NetworkProtocolNumber, protocol tcpip.TransportProtocolNumber, id TransportEndpointID, ep TransportEndpoint, flags ports.Flags, bindToDevice tcpip.NICID) tcpip.Error {
return s.demux.registerEndpoint(netProtos, protocol, id, ep, flags, bindToDevice)
}
// CheckRegisterTransportEndpoint checks if an endpoint can be registered with
// the stack transport dispatcher.
-func (s *Stack) CheckRegisterTransportEndpoint(netProtos []tcpip.NetworkProtocolNumber, protocol tcpip.TransportProtocolNumber, id TransportEndpointID, flags ports.Flags, bindToDevice tcpip.NICID) *tcpip.Error {
+func (s *Stack) CheckRegisterTransportEndpoint(netProtos []tcpip.NetworkProtocolNumber, protocol tcpip.TransportProtocolNumber, id TransportEndpointID, flags ports.Flags, bindToDevice tcpip.NICID) tcpip.Error {
return s.demux.checkEndpoint(netProtos, protocol, id, flags, bindToDevice)
}
@@ -1672,7 +1672,7 @@ func (s *Stack) FindTransportEndpoint(netProto tcpip.NetworkProtocolNumber, tran
// RegisterRawTransportEndpoint registers the given endpoint with the stack
// transport dispatcher. Received packets that match the provided transport
// protocol will be delivered to the given endpoint.
-func (s *Stack) RegisterRawTransportEndpoint(netProto tcpip.NetworkProtocolNumber, transProto tcpip.TransportProtocolNumber, ep RawTransportEndpoint) *tcpip.Error {
+func (s *Stack) RegisterRawTransportEndpoint(netProto tcpip.NetworkProtocolNumber, transProto tcpip.TransportProtocolNumber, ep RawTransportEndpoint) tcpip.Error {
return s.demux.registerRawEndpoint(netProto, transProto, ep)
}
@@ -1782,7 +1782,7 @@ func (s *Stack) Resume() {
// RegisterPacketEndpoint registers ep with the stack, causing it to receive
// all traffic of the specified netProto on the given NIC. If nicID is 0, it
// receives traffic from every NIC.
-func (s *Stack) RegisterPacketEndpoint(nicID tcpip.NICID, netProto tcpip.NetworkProtocolNumber, ep PacketEndpoint) *tcpip.Error {
+func (s *Stack) RegisterPacketEndpoint(nicID tcpip.NICID, netProto tcpip.NetworkProtocolNumber, ep PacketEndpoint) tcpip.Error {
s.mu.Lock()
defer s.mu.Unlock()
@@ -1801,7 +1801,7 @@ func (s *Stack) RegisterPacketEndpoint(nicID tcpip.NICID, netProto tcpip.Network
// Capture on a specific device.
nic, ok := s.nics[nicID]
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
if err := nic.registerPacketEndpoint(netProto, ep); err != nil {
return err
@@ -1839,12 +1839,12 @@ func (s *Stack) unregisterPacketEndpointLocked(nicID tcpip.NICID, netProto tcpip
// WritePacketToRemote writes a payload on the specified NIC using the provided
// network protocol and remote link address.
-func (s *Stack) WritePacketToRemote(nicID tcpip.NICID, remote tcpip.LinkAddress, netProto tcpip.NetworkProtocolNumber, payload buffer.VectorisedView) *tcpip.Error {
+func (s *Stack) WritePacketToRemote(nicID tcpip.NICID, remote tcpip.LinkAddress, netProto tcpip.NetworkProtocolNumber, payload buffer.VectorisedView) tcpip.Error {
s.mu.Lock()
nic, ok := s.nics[nicID]
s.mu.Unlock()
if !ok {
- return tcpip.ErrUnknownDevice
+ return &tcpip.ErrUnknownDevice{}
}
pkt := NewPacketBuffer(PacketBufferOptions{
ReserveHeaderBytes: int(nic.MaxHeaderLength()),
@@ -1909,37 +1909,37 @@ func (s *Stack) RemoveTCPProbe() {
}
// JoinGroup joins the given multicast group on the given NIC.
-func (s *Stack) JoinGroup(protocol tcpip.NetworkProtocolNumber, nicID tcpip.NICID, multicastAddr tcpip.Address) *tcpip.Error {
+func (s *Stack) JoinGroup(protocol tcpip.NetworkProtocolNumber, nicID tcpip.NICID, multicastAddr tcpip.Address) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
if nic, ok := s.nics[nicID]; ok {
return nic.joinGroup(protocol, multicastAddr)
}
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
// LeaveGroup leaves the given multicast group on the given NIC.
-func (s *Stack) LeaveGroup(protocol tcpip.NetworkProtocolNumber, nicID tcpip.NICID, multicastAddr tcpip.Address) *tcpip.Error {
+func (s *Stack) LeaveGroup(protocol tcpip.NetworkProtocolNumber, nicID tcpip.NICID, multicastAddr tcpip.Address) tcpip.Error {
s.mu.RLock()
defer s.mu.RUnlock()
if nic, ok := s.nics[nicID]; ok {
return nic.leaveGroup(protocol, multicastAddr)
}
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
// IsInGroup returns true if the NIC with ID nicID has joined the multicast
// group multicastAddr.
-func (s *Stack) IsInGroup(nicID tcpip.NICID, multicastAddr tcpip.Address) (bool, *tcpip.Error) {
+func (s *Stack) IsInGroup(nicID tcpip.NICID, multicastAddr tcpip.Address) (bool, tcpip.Error) {
s.mu.RLock()
defer s.mu.RUnlock()
if nic, ok := s.nics[nicID]; ok {
return nic.isInGroup(multicastAddr), nil
}
- return false, tcpip.ErrUnknownNICID
+ return false, &tcpip.ErrUnknownNICID{}
}
// IPTables returns the stack's iptables.
@@ -1979,26 +1979,26 @@ func (s *Stack) AllowICMPMessage() bool {
// GetNetworkEndpoint returns the NetworkEndpoint with the specified protocol
// number installed on the specified NIC.
-func (s *Stack) GetNetworkEndpoint(nicID tcpip.NICID, proto tcpip.NetworkProtocolNumber) (NetworkEndpoint, *tcpip.Error) {
+func (s *Stack) GetNetworkEndpoint(nicID tcpip.NICID, proto tcpip.NetworkProtocolNumber) (NetworkEndpoint, tcpip.Error) {
s.mu.Lock()
defer s.mu.Unlock()
nic, ok := s.nics[nicID]
if !ok {
- return nil, tcpip.ErrUnknownNICID
+ return nil, &tcpip.ErrUnknownNICID{}
}
return nic.getNetworkEndpoint(proto), nil
}
// NUDConfigurations gets the per-interface NUD configurations.
-func (s *Stack) NUDConfigurations(id tcpip.NICID) (NUDConfigurations, *tcpip.Error) {
+func (s *Stack) NUDConfigurations(id tcpip.NICID) (NUDConfigurations, tcpip.Error) {
s.mu.RLock()
nic, ok := s.nics[id]
s.mu.RUnlock()
if !ok {
- return NUDConfigurations{}, tcpip.ErrUnknownNICID
+ return NUDConfigurations{}, &tcpip.ErrUnknownNICID{}
}
return nic.nudConfigs()
@@ -2008,13 +2008,13 @@ func (s *Stack) NUDConfigurations(id tcpip.NICID) (NUDConfigurations, *tcpip.Err
//
// Note, if c contains invalid NUD configuration values, it will be fixed to
// use default values for the erroneous values.
-func (s *Stack) SetNUDConfigurations(id tcpip.NICID, c NUDConfigurations) *tcpip.Error {
+func (s *Stack) SetNUDConfigurations(id tcpip.NICID, c NUDConfigurations) tcpip.Error {
s.mu.RLock()
nic, ok := s.nics[id]
s.mu.RUnlock()
if !ok {
- return tcpip.ErrUnknownNICID
+ return &tcpip.ErrUnknownNICID{}
}
return nic.setNUDConfigs(c)
@@ -2056,7 +2056,7 @@ func generateRandInt64() int64 {
}
// FindNetworkEndpoint returns the network endpoint for the given address.
-func (s *Stack) FindNetworkEndpoint(netProto tcpip.NetworkProtocolNumber, address tcpip.Address) (NetworkEndpoint, *tcpip.Error) {
+func (s *Stack) FindNetworkEndpoint(netProto tcpip.NetworkProtocolNumber, address tcpip.Address) (NetworkEndpoint, tcpip.Error) {
s.mu.RLock()
defer s.mu.RUnlock()
@@ -2068,7 +2068,7 @@ func (s *Stack) FindNetworkEndpoint(netProto tcpip.NetworkProtocolNumber, addres
addressEndpoint.DecRef()
return nic.getNetworkEndpoint(netProto), nil
}
- return nil, tcpip.ErrBadAddress
+ return nil, &tcpip.ErrBadAddress{}
}
// FindNICNameFromID returns the name of the NIC for the given NICID.