diff options
Diffstat (limited to 'pkg/tcpip/header/ipv4.go')
| -rw-r--r-- | pkg/tcpip/header/ipv4.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/tcpip/header/ipv4.go b/pkg/tcpip/header/ipv4.go index 94a3af289..17fc9c68e 100644 --- a/pkg/tcpip/header/ipv4.go +++ b/pkg/tcpip/header/ipv4.go @@ -111,6 +111,15 @@ const ( IPv4FlagDontFragment ) +// IPv4EmptySubnet is the empty IPv4 subnet. +var IPv4EmptySubnet = func() tcpip.Subnet { + subnet, err := tcpip.NewSubnet(IPv4Any, tcpip.AddressMask(IPv4Any)) + if err != nil { + panic(err) + } + return subnet +}() + // IPVersion returns the version of IP used in the given packet. It returns -1 // if the packet is not large enough to contain the version field. func IPVersion(b []byte) int { |