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The current implementation of loss recovery algorithms SACK and NewReno are in
the same file(snd.go). The functions have multiple checks to see which one is
currently used by the endpoint. This CL will refactor and separate the
implementation of existing recovery algorithms which will help us to implement
new recovery algorithms(such as RACK) with less changes to the existing code.
There is no change in the behavior.
PiperOrigin-RevId: 342312166
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PiperOrigin-RevId: 342297902
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- Don't close fdchannel.Endpoint.sockfd in Shutdown(), while it still may be in
use.
- Don't call runtime.enter/exitsyscall from RecvFDNonblock().
PiperOrigin-RevId: 342221770
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PiperOrigin-RevId: 342221309
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PiperOrigin-RevId: 342214859
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Increase the wait time for the thread to be blocked on read/write
syscall.
PiperOrigin-RevId: 342204627
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Store all the socket level options in a struct and call {Get/Set}SockOpt on
this struct. This will avoid implementing socket level options on all
endpoints. This CL contains implementing one socket level option for tcp and
udp endpoints.
PiperOrigin-RevId: 342203981
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PiperOrigin-RevId: 342179912
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- Add log statements in service entry points.
- Propagate `-debug` flag from shim invokation to the service
- Load options when shim process is invoked to ensure runsc commands
use the correct set of options, e.g. --debug --debug-logs=...
- Add debug options to the shim configuration directly, so it doesn't
rely on containerd configuration (and restart) to enable shim debug.
- Save shim logs to dedicated file, so it's easier to read logs. They
would be mixed with containerd logs and hard to distinguish
otherwise.
PiperOrigin-RevId: 342179868
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RELNOTES: n/a
PiperOrigin-RevId: 342176296
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kernel.Task can only be used as context.Context by that Task's task goroutine.
This is violated in at least two places:
- In any case where one thread accesses the /proc/[tid] of any other thread,
passing the kernel.Task for [tid] as the context.Context is incorrect.
- Task.rebuildTraceContext() may be called by Kernel.RebuildTraceContexts()
outside the scope of any task goroutine.
Fix these (as well as a data race on Task.traceContext discovered during the
course of finding the latter).
PiperOrigin-RevId: 342174404
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children names map can be used to verify whether a child is expected
during walking, so that we can detect unexpected modifications that
deleted/renamed both the target file and the corresponding merkle tree
file.
PiperOrigin-RevId: 342170715
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Add a unit test for ipv4.Encode and a round trip test.
PiperOrigin-RevId: 342169517
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Updates #1035
PiperOrigin-RevId: 342168926
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This reduces confusion with context.Context (which is also relevant to
kernel.Tasks) and is consistent with existing function kernel.LoadTaskImage().
PiperOrigin-RevId: 342167298
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The NIC should not hold network-layer state or logic - network packet
handling/forwarding should be performed at the network layer instead
of the NIC.
Fixes #4688
PiperOrigin-RevId: 342166985
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PiperOrigin-RevId: 342161204
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This causes some networking related tests to take a very long time.
Upon failure, tests can be manually run with debug flags to debug. As is the
strace logs are not available from a test run.
PiperOrigin-RevId: 342156294
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Separate the test cases from TestVerify so that the test names reflect
the test case better.
PiperOrigin-RevId: 342152754
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PiperOrigin-RevId: 341982672
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Fixes #1486.
PiperOrigin-RevId: 341966640
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Most packets don't have options but they are an integral part of the
standard. Teaching the ipv4 code how to handle them will simplify future
testing and use. Because Options are so rare it is worth making sure
that the extra work is kept out of the fast path as much as possible.
Prior to this change, all usages of the IHL field of the IPv4Fields/Encode
system set it to the same constant value except in a couple of tests
for bad values. From this change IHL will not be a constant as it will
depend on the size of any Options. Since ipv4.Encode() now handles the
options it becomes a possible source of errors to let the callers set
this value, so remove it entirely and calculate the value from the size
of the Options if present (or not) therefore guaranteeing a correct value.
Fixes #4709
RELNOTES: n/a
PiperOrigin-RevId: 341864765
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PiperOrigin-RevId: 341757694
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PiperOrigin-RevId: 341732791
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PiperOrigin-RevId: 341667792
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