diff options
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 68 |
1 files changed, 57 insertions, 11 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index f798056c0..49d4912ad 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -104,7 +104,6 @@ var ( ErrConnectionAborted = &Error{msg: "connection aborted"} ErrNoSuchFile = &Error{msg: "no such file"} ErrInvalidOptionValue = &Error{msg: "invalid option value specified"} - ErrNoLinkAddress = &Error{msg: "no remote link address"} ErrBadAddress = &Error{msg: "bad address"} ErrNetworkUnreachable = &Error{msg: "network is unreachable"} ErrMessageTooLong = &Error{msg: "message too long"} @@ -154,7 +153,6 @@ func StringToError(s string) *Error { ErrConnectionAborted, ErrNoSuchFile, ErrInvalidOptionValue, - ErrNoLinkAddress, ErrBadAddress, ErrNetworkUnreachable, ErrMessageTooLong, @@ -640,12 +638,7 @@ type Endpoint interface { // stream (TCP) Endpoints may return partial writes, and even then only // in the case where writing additional data would block. Other Endpoints // will either write the entire message or return an error. - // - // For UDP and Ping sockets if address resolution is required, - // ErrNoLinkAddress and a notification channel is returned for the caller to - // block. Channel is closed once address resolution is complete (success or - // not). The channel is only non-nil in this case. - Write(Payloader, WriteOptions) (int64, <-chan struct{}, *Error) + Write(Payloader, WriteOptions) (int64, *Error) // Connect connects the endpoint to its peer. Specifying a NIC is // optional. @@ -1598,6 +1591,59 @@ type IPStats struct { OptionUnknownReceived *StatCounter } +// ARPStats collects ARP-specific stats. +type ARPStats struct { + // PacketsReceived is the number of ARP packets received from the link layer. + PacketsReceived *StatCounter + + // DisabledPacketsReceived is the number of ARP packets received from the link + // layer when the ARP layer is disabled. + DisabledPacketsReceived *StatCounter + + // MalformedPacketsReceived is the number of ARP packets that were dropped due + // to being malformed. + MalformedPacketsReceived *StatCounter + + // RequestsReceived is the number of ARP requests received. + RequestsReceived *StatCounter + + // RequestsReceivedUnknownTargetAddress is the number of ARP requests that + // were targeted to an interface different from the one it was received on. + RequestsReceivedUnknownTargetAddress *StatCounter + + // OutgoingRequestInterfaceHasNoLocalAddressErrors is the number of failures + // to send an ARP request because the interface has no network address + // assigned to it. + OutgoingRequestInterfaceHasNoLocalAddressErrors *StatCounter + + // OutgoingRequestBadLocalAddressErrors is the number of failures to send an + // ARP request with a bad local address. + OutgoingRequestBadLocalAddressErrors *StatCounter + + // OutgoingRequestNetworkUnreachableErrors is the number of failures to send + // an ARP request with a network unreachable error. + OutgoingRequestNetworkUnreachableErrors *StatCounter + + // OutgoingRequestsDropped is the number of ARP requests which failed to write + // to a link-layer endpoint. + OutgoingRequestsDropped *StatCounter + + // OutgoingRequestSent is the number of ARP requests successfully written to a + // link-layer endpoint. + OutgoingRequestsSent *StatCounter + + // RepliesReceived is the number of ARP replies received. + RepliesReceived *StatCounter + + // OutgoingRepliesDropped is the number of ARP replies which failed to write + // to a link-layer endpoint. + OutgoingRepliesDropped *StatCounter + + // OutgoingRepliesSent is the number of ARP replies successfully written to a + // link-layer endpoint. + OutgoingRepliesSent *StatCounter +} + // TCPStats collects TCP-specific stats. type TCPStats struct { // ActiveConnectionOpenings is the number of connections opened @@ -1750,6 +1796,9 @@ type Stats struct { // IP breaks out IP-specific stats (both v4 and v6). IP IPStats + // ARP breaks out ARP-specific stats. + ARP ARPStats + // TCP breaks out TCP-specific stats. TCP TCPStats @@ -1784,9 +1833,6 @@ type SendErrors struct { // NoRoute is the number of times we failed to resolve IP route. NoRoute StatCounter - - // NoLinkAddr is the number of times we failed to resolve ARP. - NoLinkAddr StatCounter } // ReadErrors collects segment read errors from an endpoint read call. |