Age | Commit message (Collapse) | Author |
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PiperOrigin-RevId: 352954044
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Syscall docs were excluded from the navigation menu. This change adds them
back.
PiperOrigin-RevId: 352942238
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- Removes the unimplemented message for SO_LINGER
- Fix the length for IP_PKTINFO option
PiperOrigin-RevId: 352917611
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PiperOrigin-RevId: 352908368
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PiperOrigin-RevId: 352905565
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PiperOrigin-RevId: 352904728
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Fixes #5263
PiperOrigin-RevId: 352903844
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PiperOrigin-RevId: 352894106
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The error messages are not needed or used as these are not processing errors
so much as errors to be reported back to the packet sender. Implicitly
describe whether each error should generate ICMP packets or not. Most do
but there are a couple that do not.
Slightly alter some test expectations for Linux compatibility and add a
couple more. Improve Linux compatibility on error packet returns. Some
cosmetic changes to tests to match the upcoming packet impact version
of the same tests.
PiperOrigin-RevId: 352889785
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Link addresses are cached on a per NIC basis so instead of having a
single cache that includes the NIC ID for neighbor entry lookups,
use a single cache per NIC.
PiperOrigin-RevId: 352684111
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On ARM64, when ptrace stops on a system call, it uses the x7 register to
indicate whether the stop has been signalled from syscall entry or syscall
exit. This means that we can't get a value of this register and we can't change
it. More details are in the comment for tracehook_report_syscall in
arch/arm64/kernel/ptrace.c.
This happens only if we stop on a system call, so let's queue a signal, resume
a stub thread and catch it on a signal handling.
Fixes: #5238
PiperOrigin-RevId: 352668695
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To facilitate the debugging of multi-homed setup, track Network
protocols statistics for each endpoint. Note that the original
stack-wide stats still exist.
A new type of statistic counter is introduced, which track two
versions of a stat at the same time. This lets a network endpoint
increment both the local stat and the stack-wide stat at the same
time.
Fixes #4605
PiperOrigin-RevId: 352663276
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PiperOrigin-RevId: 352624174
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PiperOrigin-RevId: 352623277
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#5274 broke `make load-basic_fsstress` target. It works locally but for some
inconceivable reason it fails to build on Kokoro.
Error message:
```
Step 1/12 : FROM alpine
---> 1fca6fe4a1ec
Step 2/12 : RUN apk add git
---> Running in 109a5326259a
standard_init_linux.go:207: exec user process caused "no such file or directory"
The command '/bin/sh -c apk add git' returned a non-zero code: 1
make: *** [load-basic_fsstress] Error 1
tools/images.mk:149: recipe for target 'load-basic_fsstress' failed
```
Copied the approach from the following issue to achieve the same goal:
https://github.com/nodejs/docker-node/issues/586#issue-273737852.
PiperOrigin-RevId: 352602945
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Packets may be pending on link resolution to complete before being sent.
Link resolution is performed for neighbors which are unique to a NIC so
hold link resolution related state under the NIC, not the stack.
Note, this change may result in more queued packets but that is okay as
RFC 4861 section 7.2.2 recommends that the stack maintain a queue of
packets for each neighbor that is waiting for link resolution to
complete, not a fixed limit per stack.
PiperOrigin-RevId: 352322155
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If a Route is being created through a link that requires link address
resolution and a remote address that has a known mapping to a link
address, populate the link address when the route is created.
This removes the need for neighbor/link address caches to perform this
check.
Fixes #5149
PiperOrigin-RevId: 352122401
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Test: integration_test.TestGetLinkAddress
PiperOrigin-RevId: 352119404
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stack.Route is used to send network packets and resolve link addresses.
A LinkEndpoint does not need to do either of these and only needs the
route's fields at the time of the packet write request.
Since LinkEndpoints only need the route's fields when writing packets,
pass a stack.RouteInfo instead.
PiperOrigin-RevId: 352108405
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The same intent can be specified via the io.Writer.
PiperOrigin-RevId: 352098747
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This change implements TLP details enumerated in
https://tools.ietf.org/html/draft-ietf-tcpm-rack-08#section-7.5.2.
Fixes #5084
PiperOrigin-RevId: 352093473
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IPv4 previously accepts the packet, while IPv6 panics. Neither is the behavior
in Linux.
splice() in Linux has different behavior than in gVisor. This change documents
it in the SpliceTooLong test.
Reported-by: syzbot+b550e78e5c24d1d521f2@syzkaller.appspotmail.com
PiperOrigin-RevId: 352091286
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We loop over the list of packets anyways so setting these aren't
expensive.
Now that they are populated only by the link endpoint that uses them,
TCP does not need to.
PiperOrigin-RevId: 352090853
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Updates #5273
PiperOrigin-RevId: 352088736
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Otherwise, races can occur between concurrent logs.
PiperOrigin-RevId: 352086914
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