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2020-08-04Merge release-20200622.1-317-gb5c9ff819 (automated)gVisor bot
2020-08-04Merge release-20200622.1-316-gad7c9fc4c (automated)gVisor bot
2020-08-03[vfs2] Implement /sys/devices/system/cpu/cpuX.Ayush Ranjan
Fixes #3364 PiperOrigin-RevId: 324724614
2020-08-03Merge release-20200622.1-315-gfe441dd25 (automated)gVisor bot
2020-08-03Internal change.gVisor bot
PiperOrigin-RevId: 324695672
2020-08-03Merge release-20200622.1-314-g5626ccf61 (automated)gVisor bot
2020-08-03Remove old TODO.Dean Deng
Fixes #2920. PiperOrigin-RevId: 324695118
2020-08-03Merge release-20200622.1-313-gb2ae7ea1b (automated)gVisor bot
2020-08-03Plumbing context.Context to DecRef() and Release().Nayana Bidari
context is passed to DecRef() and Release() which is needed for SO_LINGER implementation. PiperOrigin-RevId: 324672584
2020-08-03Merge release-20200622.1-312-gef11bb936 (automated)gVisor bot
2020-08-03Merge release-20200622.1-310-g1fbbc795e (automated)gVisor bot
2020-08-03Merge pull request #3460 from zhlhahaha:1927gVisor bot
PiperOrigin-RevId: 324658881
2020-08-03Add inotify events for fallocate and tests for fallocate/sendfile.Dean Deng
Updates #1479, #2923. PiperOrigin-RevId: 324658826
2020-08-03Merge release-20200622.1-309-g07267fc4c (automated)gVisor bot
2020-08-03Merge release-20200622.1-307-g1a93a78d1 (automated)gVisor bot
2020-08-03Merge release-20200622.1-306-ge3c349d21 (automated)gVisor bot
2020-08-03Merge release-20200622.1-305-g10f6c41bb (automated)gVisor bot
2020-08-03AARCH64:fix variable name collision with register nameHoward Zhang
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>
2020-07-31Merge release-20200622.1-304-gd5b31458a (automated)gVisor bot
2020-07-31Merge pull request #3300 from lubinszARM:pr_fpsimd_usrgVisor bot
PiperOrigin-RevId: 324309862
2020-07-31Merge release-20200622.1-302-gfcc88a8b2 (automated)gVisor bot
2020-07-31Merge release-20200622.1-301-gfd5f4ffed (automated)gVisor bot
2020-07-31Merge release-20200622.1-300-ga7d9aa6d5 (automated)gVisor bot
2020-07-31Support fragments from different sourcesGhanan Gowripalan
Prevent fragments with different source-destination pairs from conflicting with each other. Test: - ipv6_test.TestReceiveIPv6Fragments - ipv4_test.TestReceiveIPv6Fragments PiperOrigin-RevId: 324283246
2020-07-31Merge pull request #3348 from kevinGC:so-orig-dstgVisor bot
PiperOrigin-RevId: 324279280
2020-07-31Internal change.gVisor bot
PiperOrigin-RevId: 324259991
2020-07-31iptables: support SO_ORIGINAL_DSTKevin Krakauer
Envoy (#170) uses this to get the original destination of redirected packets.
2020-07-31Clean up vfs2 fallocate.Dean Deng
Move to setstat.go and add a FileDescription wrapper method. PiperOrigin-RevId: 324165277
2020-07-30Fix TCP CurrentConnected counter updates.Mithun Iyer
CurrentConnected counter is incorrectly decremented on close of an endpoint which is still not connected. Fixes #3443 PiperOrigin-RevId: 324155171
2020-07-30Merge pull request #3448 from lubinszARM:pr_tls_testsgVisor bot
PiperOrigin-RevId: 324127810
2020-07-30Merge pull request #3028 from lubinszARM:pr_kvm_hello1gVisor bot
PiperOrigin-RevId: 324125938
2020-07-30Merge pull request #3179 from jinmouil:fuse_initgVisor bot
PiperOrigin-RevId: 324100220
2020-07-30Revert change to default buffer size.Bhasker Hariharan
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
2020-07-30Enforce fragment block size and validate argsGhanan Gowripalan
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
2020-07-30Implement neighbor unreachability detection for ARP and NDP.Sam Balana
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
2020-07-30Use brodcast MAC for broadcast IPv4 packetsGhanan Gowripalan
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
2020-07-30Have dockerutil.Wait* respect the context deadlineKevin Krakauer
PiperOrigin-RevId: 324044634
2020-07-30Fix SETOWN_EX return value.Dean Deng
Return on success should be 0, not size of the struct copied out. PiperOrigin-RevId: 324029193
2020-07-30add usr-tls test cases for Arm64Bin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-07-29Add FUSE_INITJinmou Li
This change allows the sentry to send FUSE_INIT request and process the reply. It adds the corresponding structs, employs the fuse device to send and read the message, and stores the results of negotiation in corresponding places (inside connection struct). It adds a CallAsync() function to the FUSE connection interface: - like Call(), but it's for requests that do not expect immediate response (init, release, interrupt etc.) - will block if the connection hasn't initialized, which is the same for Call()
2020-07-29Force registration for EPOLLHUP, not EPOLLRDHUP, in vfs2's epoll.Jamie Liu
Compare Linux's fs/eventpoll.c:do_epoll_ctl(). I don't know where EPOLLRDHUP came from. PiperOrigin-RevId: 323874419
2020-07-29load/store user fpsimd on Arm64Bin Lu
full context switch: add fpsimd load/store support to container application. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-07-28Redirect TODO to GitHub issuesFabricio Voznika
PiperOrigin-RevId: 323715260
2020-07-28ip6tables testingKevin Krakauer
We skip gVisor tests for now, as ip6tables aren't yet implemented.
2020-07-28Merge release-20200622.1-246-g18c246359 (automated)gVisor bot
2020-07-27Fix strace for epoll event arrays.Jamie Liu
PiperOrigin-RevId: 323491461
2020-07-27Merge release-20200622.1-245-gb0eafc745 (automated)gVisor bot
2020-07-27Merge release-20200622.1-243-g1b2006083 (automated)gVisor bot
2020-07-27Merge pull request #3201 from lubinszARM:pr_sys64_2gVisor bot
PiperOrigin-RevId: 323456118
2020-07-27Merge pull request #3299 from lubinszARM:pr_asidgVisor bot
PiperOrigin-RevId: 323455097
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