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2021-07-20Merge release-20210712.0-29-g1ad382220 (automated)gVisor bot
2021-07-20Add go:build directives as required by Go 1.17's gofmt.Jamie Liu
PiperOrigin-RevId: 385894869
2021-07-13Merge release-20210705.0-15-g520795aaa (automated)gVisor bot
2021-07-12Merge release-20210705.0-11-ge3fdd1593 (automated)gVisor bot
2021-07-12[syserror] Update syserror to linuxerr for more errors.Zach Koopmans
Update the following from syserror to the linuxerr equivalent: EEXIST EFAULT ENOTDIR ENOTTY EOPNOTSUPP ERANGE ESRCH PiperOrigin-RevId: 384329869
2021-07-12Merge release-20210705.0-8-g4742f7d78 (automated)gVisor bot
2021-07-12Prevent interleaving in sniffer pcap outputTamir Duberstein
Remove "partial write" handling as io.Writer.Write is not permitted to return a nil error on partial writes, and this code was already panicking on non-nil errors. PiperOrigin-RevId: 384289970
2021-07-07Merge release-20210628.0-27-g02fec8dba (automated)gVisor bot
2021-07-07Move time.Now() call to snifferTamir Duberstein
PiperOrigin-RevId: 383481745
2021-07-07Merge release-20210628.0-25-gb63631b46 (automated)gVisor bot
2021-07-07Use time package-level variableTamir Duberstein
PiperOrigin-RevId: 383426091
2021-06-30Merge release-20210628.0-14-g6ef268409 (automated)gVisor bot
2021-06-30[syserror] Update syserror to linuxerr for EACCES, EBADF, and EPERM.Zach Koopmans
Update all instances of the above errors to the faster linuxerr implementation. With the temporary linuxerr.Equals(), no logical changes are made. PiperOrigin-RevId: 382306655
2021-06-30Merge release-20210628.0-12-g3e5a6981d (automated)gVisor bot
2021-06-29Merge pull request #6085 from liornm:fix-tun-no_pigVisor bot
PiperOrigin-RevId: 382202462
2021-06-29Merge release-20210628.0-8-g54b71221c (automated)gVisor bot
2021-06-29[syserror] Change syserror to linuxerr for E2BIG, EADDRINUSE, and EINVALZach Koopmans
Remove three syserror entries duplicated in linuxerr. Because of the linuxerr.Equals method, this is a mere change of return values from syserror to linuxerr definitions. Done with only these three errnos as CLs removing all grow to a significantly large size. PiperOrigin-RevId: 382173835
2021-06-29Fix TUN IFF_NO_PI bugliornm
When TUN is created with IFF_NO_PI flag, there will be no Ethernet header and no packet info, therefore, both read and write will fail. This commit fix this bug.
2021-06-25Merge release-20210614.0-27-gccd2d607e (automated)gVisor bot
2021-06-24Internal change.Jamie Liu
PiperOrigin-RevId: 381375705
2021-06-09Merge release-20210601.0-28-g2e574a990 (automated)gVisor bot
2021-06-09Avoid fanout group collisions with best effortKevin Krakauer
Running multiple instances of netstack in the same network namespace can cause collisions when enabling packet fanout for fdbased endpoints. The only bulletproof fix is to run in different network namespaces, but by using `getpid()` instead of 0 as the fanout ID starting point we can avoid collisions in the common case, particularly when testing/experimenting. Addresses #6124
2021-05-22Merge release-20210518.0-25-g74b10e31a (automated)gVisor bot
2021-05-22Remove detritusTamir Duberstein
- Unused constants - Unused functions - Unused arguments - Unkeyed literals - Unnecessary conversions PiperOrigin-RevId: 375253464
2021-05-12Merge release-20210503.0-47-g07e32fa69 (automated)gVisor bot
2021-05-03Merge release-20210419.0-55-gf0b3298db (automated)gVisor bot
2021-05-03Convey GSO capabilities through GSOEndpointGhanan Gowripalan
...as all GSO capable endpoints must implement GSOEndpoint. PiperOrigin-RevId: 371804175
2021-04-27Merge release-20210419.0-35-gf54d87b9e (automated)gVisor bot
2021-04-27Remove uses of the binary package from networking code.Rahat Mahmood
Co-Author: ayushranjan PiperOrigin-RevId: 370785009
2021-04-22Merge release-20210419.0-18-g47bc11515 (automated)gVisor bot
2021-04-21Only carry GSO options in the packet bufferGhanan Gowripalan
With this change, GSO options no longer needs to be passed around as a function argument in the write path. This change is done in preparation for a later change that defers segmentation, and may change GSO options for a packet as it flows down the stack. Updates #170. PiperOrigin-RevId: 369774872
2021-03-24Merge release-20210315.0-23-ge7ca2a51a (automated)gVisor bot
2021-03-24Add POLLRDNORM/POLLWRNORM support.Bhasker Hariharan
On Linux these are meant to be equivalent to POLLIN/POLLOUT. Rather than hack these on in sys_poll etc it felt cleaner to just cleanup the call sites to notify for both events. This is what linux does as well. Fixes #5544 PiperOrigin-RevId: 364859977
2021-03-24Fix data race in fdbased when accessing fanoutID.Bhasker Hariharan
PiperOrigin-RevId: 364859173
2021-03-23Merge release-20210315.0-15-gacb4c6288 (automated)gVisor bot
2021-03-16Merge release-20210309.0-27-gb1d578772 (automated)gVisor bot
2021-03-15Make netstack (//pkg/tcpip) buildable for 32 bitKevin Krakauer
Doing so involved breaking dependencies between //pkg/tcpip and the rest of gVisor, which are discouraged anyways. Tested on the Go branch via: gvisor.dev/gvisor/pkg/tcpip/... Addresses #1446. PiperOrigin-RevId: 363081778
2021-03-10Merge release-20210301.0-31-g2a888a106 (automated)gVisor bot
2021-03-09Give TCP flags a dedicated typeZeling Feng
- Implement Stringer for it so that we can improve error messages. - Use TCPFlags through the code base. There used to be a mixed usage of byte, uint8 and int as TCP flags. PiperOrigin-RevId: 361940150
2021-03-04Merge release-20210301.0-12-g1cd76d958 (automated)gVisor bot
2021-03-03Make dedicated methods for data operations in PacketBufferTing-Yu Wang
One of the preparation to decouple underlying buffer implementation. There are still some methods that tie to VectorisedView, and they will be changed gradually in later CLs. This CL also introduce a new ICMPv6ChecksumParams to replace long list of parameters when calling ICMPv6Checksum, aiming to be more descriptive. PiperOrigin-RevId: 360778149
2021-03-03Merge release-20210301.0-5-ga9441aea2 (automated)gVisor bot
2021-03-03[op] Replace syscall package usage with golang.org/x/sys/unix in pkg/.Ayush Ranjan
The syscall package has been deprecated in favor of golang.org/x/sys. Note that syscall is still used in the following places: - pkg/sentry/socket/hostinet/stack.go: some netlink related functionalities are not yet available in golang.org/x/sys. - syscall.Stat_t is still used in some places because os.FileInfo.Sys() still returns it and not unix.Stat_t. Updates #214 PiperOrigin-RevId: 360701387
2021-02-24Merge release-20210208.0-89-gba4dfa717 (automated)gVisor bot
2021-02-24Move //pkg/gate.Gate to //pkg/sync.Jamie Liu
- Use atomic add rather than CAS in every Gate method, which is slightly faster in most cases. - Implement Close wakeup using gopark/goready to avoid channel allocation. New benchmarks: name old time/op new time/op delta GateEnterLeave-12 16.7ns ± 1% 10.3ns ± 1% -38.44% (p=0.000 n=9+8) GateClose-12 50.2ns ± 8% 42.4ns ± 6% -15.44% (p=0.000 n=10+10) GateEnterLeaveAsyncClose-12 972ns ± 2% 640ns ± 7% -34.15% (p=0.000 n=9+10) PiperOrigin-RevId: 359336344
2021-02-18Merge release-20210208.0-73-gf80a857a4 (automated)gVisor bot
2021-02-18Bump build constraints to Go 1.18Michael Pratt
These are bumped to allow early testing of Go 1.17. Use will be audited closer to the 1.17 release. PiperOrigin-RevId: 358278615
2021-02-07Merge release-20210125.0-97-g554c405e8 (automated)gVisor bot
2021-02-06Synchronously send packets over pipe link endpointGhanan Gowripalan
Before this change, packets were delivered asynchronously to the remote end of a pipe. This was to avoid a deadlock during link resolution where the stack would attempt to double-lock a mutex (see removed comments in the parent commit for details). As of https://github.com/google/gvisor/commit/4943347137, we do not hold locks while sending link resolution probes so the deadlock will no longer occur. PiperOrigin-RevId: 356066224
2021-01-29Merge release-20210125.0-21-g8d1afb418 (automated)gVisor bot
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