diff options
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 54 |
1 files changed, 42 insertions, 12 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index 55683b4fb..460a6afaf 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -19,7 +19,7 @@ // The starting point is the creation and configuration of a stack. A stack can // be created by calling the New() function of the tcpip/stack/stack package; // configuring a stack involves creating NICs (via calls to Stack.CreateNIC()), -// adding network addresses (via calls to Stack.AddAddress()), and +// adding network addresses (via calls to Stack.AddProtocolAddress()), and // setting a route table (via a call to Stack.SetRouteTable()). // // Once a stack is configured, endpoints can be created by calling @@ -423,9 +423,9 @@ type ControlMessages struct { // HasTimestamp indicates whether Timestamp is valid/set. HasTimestamp bool - // Timestamp is the time (in ns) that the last packet used to create - // the read data was received. - Timestamp int64 + // Timestamp is the time that the last packet used to create the read data + // was received. + Timestamp time.Time `state:".(int64)"` // HasInq indicates whether Inq is valid/set. HasInq bool @@ -451,6 +451,12 @@ type ControlMessages struct { // PacketInfo holds interface and address data on an incoming packet. PacketInfo IPPacketInfo + // HasIPv6PacketInfo indicates whether IPv6PacketInfo is set. + HasIPv6PacketInfo bool + + // IPv6PacketInfo holds interface and address data on an incoming packet. + IPv6PacketInfo IPv6PacketInfo + // HasOriginalDestinationAddress indicates whether OriginalDstAddress is // set. HasOriginalDstAddress bool @@ -465,10 +471,10 @@ type ControlMessages struct { // PacketOwner is used to get UID and GID of the packet. type PacketOwner interface { - // UID returns KUID of the packet. + // KUID returns KUID of the packet. KUID() uint32 - // GID returns KGID of the packet. + // KGID returns KGID of the packet. KGID() uint32 } @@ -1164,6 +1170,14 @@ type IPPacketInfo struct { DestinationAddr Address } +// IPv6PacketInfo is the message structure for IPV6_PKTINFO. +// +// +stateify savable +type IPv6PacketInfo struct { + Addr Address + NIC NICID +} + // SendBufferSizeOption is used by stack.(Stack*).Option/SetOption to // get/set the default, min and max send buffer sizes. type SendBufferSizeOption struct { @@ -1231,11 +1245,11 @@ type Route struct { // String implements the fmt.Stringer interface. func (r Route) String() string { var out strings.Builder - fmt.Fprintf(&out, "%s", r.Destination) + _, _ = fmt.Fprintf(&out, "%s", r.Destination) if len(r.Gateway) > 0 { - fmt.Fprintf(&out, " via %s", r.Gateway) + _, _ = fmt.Fprintf(&out, " via %s", r.Gateway) } - fmt.Fprintf(&out, " nic %d", r.NIC) + _, _ = fmt.Fprintf(&out, " nic %d", r.NIC) return out.String() } @@ -1255,6 +1269,8 @@ type TransportProtocolNumber uint32 type NetworkProtocolNumber uint32 // A StatCounter keeps track of a statistic. +// +// +stateify savable type StatCounter struct { count atomicbitops.AlignedAtomicUint64 } @@ -1270,7 +1286,7 @@ func (s *StatCounter) Decrement() { } // Value returns the current value of the counter. -func (s *StatCounter) Value(name ...string) uint64 { +func (s *StatCounter) Value(...string) uint64 { return s.count.Load() } @@ -1849,6 +1865,10 @@ type TCPStats struct { // SegmentsAckedWithDSACK is the number of segments acknowledged with // DSACK. SegmentsAckedWithDSACK *StatCounter + + // SpuriousRecovery is the number of times the connection entered loss + // recovery spuriously. + SpuriousRecovery *StatCounter } // UDPStats collects UDP-specific stats. @@ -1981,6 +2001,8 @@ type Stats struct { } // ReceiveErrors collects packet receive errors within transport endpoint. +// +// +stateify savable type ReceiveErrors struct { // ReceiveBufferOverflow is the number of received packets dropped // due to the receive buffer being full. @@ -1998,8 +2020,10 @@ type ReceiveErrors struct { ChecksumErrors StatCounter } -// SendErrors collects packet send errors within the transport layer for -// an endpoint. +// SendErrors collects packet send errors within the transport layer for an +// endpoint. +// +// +stateify savable type SendErrors struct { // SendToNetworkFailed is the number of packets failed to be written to // the network endpoint. @@ -2010,6 +2034,8 @@ type SendErrors struct { } // ReadErrors collects segment read errors from an endpoint read call. +// +// +stateify savable type ReadErrors struct { // ReadClosed is the number of received packet drops because the endpoint // was shutdown for read. @@ -2025,6 +2051,8 @@ type ReadErrors struct { } // WriteErrors collects packet write errors from an endpoint write call. +// +// +stateify savable type WriteErrors struct { // WriteClosed is the number of packet drops because the endpoint // was shutdown for write. @@ -2040,6 +2068,8 @@ type WriteErrors struct { } // TransportEndpointStats collects statistics about the endpoint. +// +// +stateify savable type TransportEndpointStats struct { // PacketsReceived is the number of successful packet receives. PacketsReceived StatCounter |