Age | Commit message (Collapse) | Author |
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PiperOrigin-RevId: 324826968
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PiperOrigin-RevId: 324819246
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PiperOrigin-RevId: 324748508
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Fixes #3364
PiperOrigin-RevId: 324724614
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PiperOrigin-RevId: 324695672
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Fixes #2920.
PiperOrigin-RevId: 324695118
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context is passed to DecRef() and Release() which is
needed for SO_LINGER implementation.
PiperOrigin-RevId: 324672584
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PiperOrigin-RevId: 324658881
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Updates #1479, #2923.
PiperOrigin-RevId: 324658826
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The variable name is g which is collision with the reserved name
for R28. This leads to bazel build failure on ARM with following
information:
(register+register) not supported on this architecture
rename it from g to ptr (referenced from golang source
code)
Signed-off-by: Howard Zhang <howard.zhang@arm.com>
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PiperOrigin-RevId: 324309862
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Prevent fragments with different source-destination pairs from
conflicting with each other.
Test:
- ipv6_test.TestReceiveIPv6Fragments
- ipv4_test.TestReceiveIPv6Fragments
PiperOrigin-RevId: 324283246
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PiperOrigin-RevId: 324279280
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PiperOrigin-RevId: 324259991
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Envoy (#170) uses this to get the original destination of redirected
packets.
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Move to setstat.go and add a FileDescription wrapper method.
PiperOrigin-RevId: 324165277
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CurrentConnected counter is incorrectly decremented on close of an
endpoint which is still not connected.
Fixes #3443
PiperOrigin-RevId: 324155171
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PiperOrigin-RevId: 324127810
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PiperOrigin-RevId: 324125938
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PiperOrigin-RevId: 324100220
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In
https://github.com/google/gvisor/commit/ca6bded95dbce07f9683904b4b768dfc2d4a09b2
we reduced the default buffer size to 32KB. This mostly works fine except at
high throughput where we hit zero window very quickly and the TCP receive
buffer moderation is not able to grow the window. This can be seen in the
benchmarks where with a 32KB buffer and 100 connections downloading a 10MB
file we get about 30 requests/s vs the 1MB buffer gives us about 53 requests/s.
A proper fix requires a few changes to when we send a zero window as well as
when we decide to send a zero window update. Today we consider available space
below 1MSS as zero and send an update when it crosses 1MSS of available space.
This is way too low and results in the window staying very small once we hit
a zero window condition as we keep sending updates with size barely over 1MSS.
Linux and BSD are smarter about this and use different thresholds. We should
separately update our logic to match linux or BSD so that we don't send
window updates that are really tiny or wait until we drop below 1MSS to
advertise a zero window.
PiperOrigin-RevId: 324087019
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Allow configuring fragmentation.Fragmentation with a fragment
block size which will be enforced when processing fragments. Also
validate arguments when processing fragments.
Test:
- fragmentation.TestErrors
- ipv6_test.TestReceiveIPv6Fragments
- ipv4_test.TestReceiveIPv6Fragments
PiperOrigin-RevId: 324081521
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This change implements the Neighbor Unreachability Detection (NUD) state
machine, as per RFC 4861 [1]. The state machine operates on a single neighbor
in the local network. This requires the state machine to be implemented on each
entry of the neighbor table.
This change also adds, but does not expose, several APIs. The first API is for
performing basic operations on the neighbor table:
- Create a static entry
- List all entries
- Delete all entries
- Remove an entry by address
The second API is used for changing the NUD protocol constants on a per-NIC
basis to allow Neighbor Discovery to operate over links with widely varying
performance characteristics. See [RFC 4861 Section 10][2] for the list of
constants.
Finally, the last API is for allowing users to subscribe to NUD state changes.
See [RFC 4861 Appendix C][3] for the list of edges.
[1]: https://tools.ietf.org/html/rfc4861
[2]: https://tools.ietf.org/html/rfc4861#section-10
[3]: https://tools.ietf.org/html/rfc4861#appendix-C
Tests:
pkg/tcpip/stack:stack_test
- TestNeighborCacheAddStaticEntryThenOverflow
- TestNeighborCacheClear
- TestNeighborCacheClearThenOverflow
- TestNeighborCacheConcurrent
- TestNeighborCacheDuplicateStaticEntryWithDifferentLinkAddress
- TestNeighborCacheDuplicateStaticEntryWithSameLinkAddress
- TestNeighborCacheEntry
- TestNeighborCacheEntryNoLinkAddress
- TestNeighborCacheGetConfig
- TestNeighborCacheKeepFrequentlyUsed
- TestNeighborCacheNotifiesWaker
- TestNeighborCacheOverflow
- TestNeighborCacheOverwriteWithStaticEntryThenOverflow
- TestNeighborCacheRemoveEntry
- TestNeighborCacheRemoveEntryThenOverflow
- TestNeighborCacheRemoveStaticEntry
- TestNeighborCacheRemoveStaticEntryThenOverflow
- TestNeighborCacheRemoveWaker
- TestNeighborCacheReplace
- TestNeighborCacheResolutionFailed
- TestNeighborCacheResolutionTimeout
- TestNeighborCacheSetConfig
- TestNeighborCacheStaticResolution
- TestEntryAddsAndClearsWakers
- TestEntryDelayToProbe
- TestEntryDelayToReachableWhenSolicitedOverrideConfirmation
- TestEntryDelayToReachableWhenUpperLevelConfirmation
- TestEntryDelayToStaleWhenConfirmationWithDifferentAddress
- TestEntryDelayToStaleWhenProbeWithDifferentAddress
- TestEntryFailedGetsDeleted
- TestEntryIncompleteToFailed
- TestEntryIncompleteToIncompleteDoesNotChangeUpdatedAt
- TestEntryIncompleteToReachable
- TestEntryIncompleteToReachableWithRouterFlag
- TestEntryIncompleteToStale
- TestEntryInitiallyUnknown
- TestEntryProbeToFailed
- TestEntryProbeToReachableWhenSolicitedConfirmationWithSameAddress
- TestEntryProbeToReachableWhenSolicitedOverrideConfirmation
- TestEntryProbeToStaleWhenConfirmationWithDifferentAddress
- TestEntryProbeToStaleWhenProbeWithDifferentAddress
- TestEntryReachableToStaleWhenConfirmationWithDifferentAddress
- TestEntryReachableToStaleWhenConfirmationWithDifferentAddressAndOverride
- TestEntryReachableToStaleWhenProbeWithDifferentAddress
- TestEntryReachableToStaleWhenTimeout
- TestEntryStaleToDelay
- TestEntryStaleToReachableWhenSolicitedOverrideConfirmation
- TestEntryStaleToStaleWhenOverrideConfirmation
- TestEntryStaleToStaleWhenProbeUpdateAddress
- TestEntryStaysDelayWhenOverrideConfirmationWithSameAddress
- TestEntryStaysProbeWhenOverrideConfirmationWithSameAddress
- TestEntryStaysReachableWhenConfirmationWithRouterFlag
- TestEntryStaysReachableWhenProbeWithSameAddress
- TestEntryStaysStaleWhenProbeWithSameAddress
- TestEntryUnknownToIncomplete
- TestEntryUnknownToStale
- TestEntryUnknownToUnknownWhenConfirmationWithUnknownAddress
pkg/tcpip/stack:stack_x_test
- TestDefaultNUDConfigurations
- TestNUDConfigurationFailsForNotSupported
- TestNUDConfigurationsBaseReachableTime
- TestNUDConfigurationsDelayFirstProbeTime
- TestNUDConfigurationsMaxMulticastProbes
- TestNUDConfigurationsMaxRandomFactor
- TestNUDConfigurationsMaxUnicastProbes
- TestNUDConfigurationsMinRandomFactor
- TestNUDConfigurationsRetransmitTimer
- TestNUDConfigurationsUnreachableTime
- TestNUDStateReachableTime
- TestNUDStateRecomputeReachableTime
- TestSetNUDConfigurationFailsForBadNICID
- TestSetNUDConfigurationFailsForNotSupported
[1]: https://tools.ietf.org/html/rfc4861
[2]: https://tools.ietf.org/html/rfc4861#section-10
[3]: https://tools.ietf.org/html/rfc4861#appendix-C
Updates #1889
Updates #1894
Updates #1895
Updates #1947
Updates #1948
Updates #1949
Updates #1950
PiperOrigin-RevId: 324070795
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When sending packets to a known network's broadcast address, use the
broadcast MAC address.
Test:
- stack_test.TestOutgoingSubnetBroadcast
- udp_test.TestOutgoingSubnetBroadcast
PiperOrigin-RevId: 324062407
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PiperOrigin-RevId: 324044634
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Return on success should be 0, not size of the struct copied out.
PiperOrigin-RevId: 324029193
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Signed-off-by: Bin Lu <bin.lu@arm.com>
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