diff options
Diffstat (limited to 'pkg/tcpip/network/ipv4/ipv4.go')
| -rw-r--r-- | pkg/tcpip/network/ipv4/ipv4.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/pkg/tcpip/network/ipv4/ipv4.go b/pkg/tcpip/network/ipv4/ipv4.go index c2f9a1bcf..cbdca98a5 100644 --- a/pkg/tcpip/network/ipv4/ipv4.go +++ b/pkg/tcpip/network/ipv4/ipv4.go @@ -99,8 +99,16 @@ func (e *endpoint) MaxHeaderLength() uint16 { return e.linkEP.MaxHeaderLength() + header.IPv4MinimumSize } +// GSOMaxSize returns the maximum GSO packet size. +func (e *endpoint) GSOMaxSize() uint32 { + if gso, ok := e.linkEP.(stack.GSOEndpoint); ok { + return gso.GSOMaxSize() + } + return 0 +} + // WritePacket writes a packet to the given destination address and protocol. -func (e *endpoint) WritePacket(r *stack.Route, hdr buffer.Prependable, payload buffer.VectorisedView, protocol tcpip.TransportProtocolNumber, ttl uint8, loop stack.PacketLooping) *tcpip.Error { +func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, hdr buffer.Prependable, payload buffer.VectorisedView, protocol tcpip.TransportProtocolNumber, ttl uint8, loop stack.PacketLooping) *tcpip.Error { ip := header.IPv4(hdr.Prepend(header.IPv4MinimumSize)) length := uint16(hdr.UsedLength() + payload.Size()) id := uint32(0) @@ -132,7 +140,7 @@ func (e *endpoint) WritePacket(r *stack.Route, hdr buffer.Prependable, payload b } r.Stats().IP.PacketsSent.Increment() - return e.linkEP.WritePacket(r, hdr, payload, ProtocolNumber) + return e.linkEP.WritePacket(r, gso, hdr, payload, ProtocolNumber) } // HandlePacket is called by the link layer when new ipv4 packets arrive for |