diff options
Diffstat (limited to 'pkg/tcpip/stack/addressable_endpoint_state.go')
| -rw-r--r-- | pkg/tcpip/stack/addressable_endpoint_state.go | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/pkg/tcpip/stack/addressable_endpoint_state.go b/pkg/tcpip/stack/addressable_endpoint_state.go index 261705575..9478f3fb7 100644 --- a/pkg/tcpip/stack/addressable_endpoint_state.go +++ b/pkg/tcpip/stack/addressable_endpoint_state.go @@ -272,6 +272,9 @@ func (a *AddressableEndpointState) addAndAcquireAddressLocked(addr tcpip.Address addrState = &addressState{ addressableEndpointState: a, addr: addr, + // Cache the subnet in addrState to avoid calls to addr.Subnet() as that + // results in allocations on every call. + subnet: addr.Subnet(), } a.mu.endpoints[addr.Address] = addrState addrState.mu.Lock() @@ -666,7 +669,7 @@ var _ AddressEndpoint = (*addressState)(nil) type addressState struct { addressableEndpointState *AddressableEndpointState addr tcpip.AddressWithPrefix - + subnet tcpip.Subnet // Lock ordering (from outer to inner lock ordering): // // AddressableEndpointState.mu @@ -686,6 +689,11 @@ func (a *addressState) AddressWithPrefix() tcpip.AddressWithPrefix { return a.addr } +// Subnet implements AddressEndpoint. +func (a *addressState) Subnet() tcpip.Subnet { + return a.subnet +} + // GetKind implements AddressEndpoint. func (a *addressState) GetKind() AddressKind { a.mu.RLock() |