diff options
Diffstat (limited to 'pkg/tcpip/stack/registration.go')
| -rw-r--r-- | pkg/tcpip/stack/registration.go | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go index 80101d4bb..9d6157f22 100644 --- a/pkg/tcpip/stack/registration.go +++ b/pkg/tcpip/stack/registration.go @@ -146,6 +146,19 @@ const ( PacketLoop ) +// NetworkHeaderParams are the header parameters given as input by the +// transport endpoint to the network. +type NetworkHeaderParams struct { + // Protocol refers to the transport protocol number. + Protocol tcpip.TransportProtocolNumber + + // TTL refers to Time To Live field of the IP-header. + TTL uint8 + + // TOS refers to TypeOfService or TrafficClass field of the IP-header. + TOS uint8 +} + // NetworkEndpoint is the interface that needs to be implemented by endpoints // of network layer protocols (e.g., ipv4, ipv6). type NetworkEndpoint interface { @@ -170,7 +183,7 @@ type NetworkEndpoint interface { // WritePacket writes a packet to the given destination address and // protocol. - WritePacket(r *Route, gso *GSO, hdr buffer.Prependable, payload buffer.VectorisedView, protocol tcpip.TransportProtocolNumber, ttl uint8, loop PacketLooping) *tcpip.Error + WritePacket(r *Route, gso *GSO, hdr buffer.Prependable, payload buffer.VectorisedView, params NetworkHeaderParams, loop PacketLooping) *tcpip.Error // WriteHeaderIncludedPacket writes a packet that includes a network // header to the given destination address. |