diff options
Diffstat (limited to 'pkg/tcpip/network/internal/ip')
| -rw-r--r-- | pkg/tcpip/network/internal/ip/errors.go | 12 | ||||
| -rw-r--r-- | pkg/tcpip/network/internal/ip/stats.go | 9 |
2 files changed, 17 insertions, 4 deletions
diff --git a/pkg/tcpip/network/internal/ip/errors.go b/pkg/tcpip/network/internal/ip/errors.go index d3577b377..94f1cd1cb 100644 --- a/pkg/tcpip/network/internal/ip/errors.go +++ b/pkg/tcpip/network/internal/ip/errors.go @@ -58,14 +58,22 @@ func (*ErrLinkLocalDestinationAddress) isForwardingError() {} func (*ErrLinkLocalDestinationAddress) String() string { return "link local destination address" } -// ErrNoRoute indicates the Netstack couldn't find a route for the -// received packet. +// ErrNoRoute indicates that a route for the received packet couldn't be found. type ErrNoRoute struct{} func (*ErrNoRoute) isForwardingError() {} func (*ErrNoRoute) String() string { return "no route" } +// ErrMessageTooLong indicates the packet was too big for the outgoing MTU. +// +// +stateify savable +type ErrMessageTooLong struct{} + +func (*ErrMessageTooLong) isForwardingError() {} + +func (*ErrMessageTooLong) String() string { return "message too long" } + // ErrOther indicates the packet coould not be forwarded for a reason // captured by the contained error. type ErrOther struct { diff --git a/pkg/tcpip/network/internal/ip/stats.go b/pkg/tcpip/network/internal/ip/stats.go index 68b8b550e..444515d40 100644 --- a/pkg/tcpip/network/internal/ip/stats.go +++ b/pkg/tcpip/network/internal/ip/stats.go @@ -38,6 +38,10 @@ type MultiCounterIPForwardingStats struct { // because they contained a link-local destination address. LinkLocalDestination tcpip.MultiCounterStat + // PacketTooBig is the number of IP packets which were dropped because they + // were too big for the outgoing MTU. + PacketTooBig tcpip.MultiCounterStat + // ExtensionHeaderProblem is the number of IP packets which were dropped // because of a problem encountered when processing an IPv6 extension // header. @@ -55,6 +59,7 @@ func (m *MultiCounterIPForwardingStats) Init(a, b *tcpip.IPForwardingStats) { m.LinkLocalSource.Init(a.LinkLocalSource, b.LinkLocalSource) m.LinkLocalDestination.Init(a.LinkLocalDestination, b.LinkLocalDestination) m.ExtensionHeaderProblem.Init(a.ExtensionHeaderProblem, b.ExtensionHeaderProblem) + m.PacketTooBig.Init(a.PacketTooBig, b.PacketTooBig) m.ExhaustedTTL.Init(a.ExhaustedTTL, b.ExhaustedTTL) } @@ -82,8 +87,8 @@ type MultiCounterIPStats struct { // wire. InvalidSourceAddressesReceived tcpip.MultiCounterStat - // PacketsDelivered is the number of incoming IP packets that are - // successfully delivered to the transport layer. + // PacketsDelivered is the number of incoming IP packets successfully + // delivered to the transport layer. PacketsDelivered tcpip.MultiCounterStat // PacketsSent is the number of IP packets sent via WritePacket. |