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2021-01-23add GREHeaderSizeMikael Magnusson
2021-01-23sent http requestMikael Magnusson
2021-01-23set default route via gre tunnelMikael Magnusson
2021-01-23decode gre protocol typeMikael Magnusson
2021-01-23fix gre protocol numberMikael Magnusson
2021-01-23WIP GRE tunnelMikael Magnusson
2021-01-23Add tun_tcp_connect from masterMikael Magnusson
2021-01-14Merge release-20201216.0-106-gc49ce8ca8 (automated)gVisor bot
2021-01-13Clear neighbor table on NIC downGhanan Gowripalan
Note, this includes static entries to match linux's behaviour. ``` $ ip neigh show dev eth0 192.168.42.1 lladdr fc:ec:da:70:6e:f9 STALE $ sudo ip neigh add 192.168.42.172 lladdr 22:33:44:55:66:77 dev eth0 $ ip neigh show dev eth0 192.168.42.1 lladdr fc:ec:da:70:6e:f9 STALE 192.168.42.172 lladdr 22:33:44:55:66:77 PERMANENT $ sudo ifconfig eth0 down $ ip neigh show dev eth0 $ sudo ifconfig eth0 up $ ip neigh show dev eth0 ``` Test: stack_test.TestClearNeighborCacheOnNICDisable PiperOrigin-RevId: 351696306
2021-01-14Merge release-20201216.0-105-g25b5ec713 (automated)gVisor bot
2021-01-13Do not resolve remote link address at transport layerGhanan Gowripalan
Link address resolution is performed at the link layer (if required) so we can defer it from the transport layer. When link resolution is required, packets will be queued and sent once link resolution completes. If link resolution fails, the transport layer will receive a control message indicating that the stack failed to route the packet. tcpip.Endpoint.Write no longer returns a channel now that writes do not wait for link resolution at the transport layer. tcpip.ErrNoLinkAddress is no longer used so it is removed. Removed calls to stack.Route.ResolveWith from the transport layer so that link resolution is performed when a route is created in response to an incoming packet (e.g. to complete TCP handshakes or send a RST). Tests: - integration_test.TestForwarding - integration_test.TestTCPLinkResolutionFailure Fixes #4458 RELNOTES: n/a PiperOrigin-RevId: 351684158
2021-01-13Switch uses of os.Getenv that check for empty string to os.LookupEnv.Dean Deng
Whether the variable was found is already returned by syscall.Getenv. os.Getenv drops this value while os.Lookupenv passes it along. PiperOrigin-RevId: 351674032
2021-01-13testutil: Create a `multiLogger` that logs to multiple `Loggers`.Etienne Perot
This is useful when using the shell library in order to log to both the test log and the standard logs. PiperOrigin-RevId: 351673465
2021-01-13Merge pull request #4792 from lubinszARM:pr_kvm_testgVisor bot
PiperOrigin-RevId: 351638451
2021-01-13Clean up the dummy network interface used by UDP testsArthur Sfez
It is now composed by a NetworkInterface interface which lets us delete the methods we don't need. PiperOrigin-RevId: 351613267
2021-01-13Merge release-20201216.0-97-ge4d8f55ce (automated)gVisor bot
2021-01-13Human-readable metric emit logsMichael Pratt
Rather than dumping metrics on a single line, nearly unrelated textproto, print them in alphabetical order, each on their own line. e.g., D0108 17:42:42.198216 3382465 metric.go:253] Emitting metrics: D0108 17:42:42.198240 3382465 metric.go:255] /fs/opens: &{Uint64Value:22} D0108 17:42:42.198271 3382465 metric.go:255] /fs/read_wait: &{Uint64Value:0} D0108 17:42:42.198294 3382465 metric.go:255] /fs/reads: &{Uint64Value:26} D0108 17:42:42.198319 3382465 metric.go:255] /gofer/opened_write_execute_file: &{Uint64Value:0} D0108 17:42:42.198327 3382465 metric.go:255] /gofer/opens_9p: &{Uint64Value:0} D0108 17:42:42.198340 3382465 metric.go:255] /gofer/opens_host: &{Uint64Value:20} ... PiperOrigin-RevId: 351590340
2021-01-13Merge release-20201216.0-96-g19ab0f15f (automated)gVisor bot
2021-01-13[rack] TLP: Recovery detection.Ayush Ranjan
This change implements TLP details enumerated in https://tools.ietf.org/html/draft-ietf-tcpm-rack-08#section-7.6 Fixes #5131 PiperOrigin-RevId: 351558449
2021-01-13Merge release-20201216.0-94-ge74aa25e2 (automated)gVisor bot
2021-01-12Drop TransportEndpointID from HandleControlPacketGhanan Gowripalan
When a control packet is delivered, it is delivered to a transport endpoint with a matching stack.TransportEndpointID so there is no need to pass the ID to the endpoint as it already knows its ID. PiperOrigin-RevId: 351497588
2021-01-12Remove unnecessary closureTamir Duberstein
PiperOrigin-RevId: 351491836
2021-01-12Remove useless cached stateTamir Duberstein
Simplify some logic while I'm here. PiperOrigin-RevId: 351491593
2021-01-12Delete shim v1Fabricio Voznika
gvisor-containerd-shim is not compatible with containerd 1.1 or earlier. Starting from containerd 1.2, shim v2 is the preferred interface. PiperOrigin-RevId: 351485556
2021-01-13Merge release-20201216.0-88-gad0ac7362 (automated)gVisor bot
2021-01-12[rack] Set up TLP timer and configure timeout.Ayush Ranjan
This change implements TLP details enumerated in https://tools.ietf.org/html/draft-ietf-tcpm-rack-08#section-7.5.1. Fixes #5083 PiperOrigin-RevId: 351467357
2021-01-12Merge release-20201216.0-87-g4e03e8754 (automated)gVisor bot
2021-01-12Fix simple mistakes identified by goreportcard.Adin Scannell
These are primarily simplification and lint mistakes. However, minor fixes are also included and tests added where appropriate. PiperOrigin-RevId: 351425971
2021-01-12Merge release-20201216.0-86-ga20da7082 (automated)gVisor bot
2021-01-11Fix Go branch for arm64.Adin Scannell
This requires several changes: * Templates must preserve relevant tags. * Pagetables templates are split into two targets, each preserving tags. * The binary VDSO is similarly split into two targets, with some juggling. * The top level tools/go_branch.sh now does a crossbuild of ARM64 as well, and checks and merges the results of the two branches together. Fixes #5178 PiperOrigin-RevId: 351304330
2021-01-12Merge release-20201216.0-85-ge06c2b126 (automated)gVisor bot
2021-01-11Make segment range type split safe.Adin Scannell
This allows for use in restricted contexts. Updates #5039 PiperOrigin-RevId: 351265378
2021-01-11Merge release-20201216.0-82-g4c4de6644 (automated)gVisor bot
2021-01-11Make ilist split safe.Adin Scannell
This allows for use in restricted contexts. Updates #5039 PiperOrigin-RevId: 351220385
2021-01-09Merge release-20201216.0-79-g70de1db82 (automated)gVisor bot
2021-01-08Merge pull request #4933 from lubinszARM:pr_kvm_el0_exceptionsgVisor bot
PiperOrigin-RevId: 350862699
2021-01-08Create console test library.Etienne Perot
This creates a TTY pair and runs `/bin/sh` in interactive mode within it. It provides useful helper functions to interact with the shell and read the output of commands run within it. This is meant to be used for testing upcoming changes allowing `runsc exec` to work in `-detach=false -tty=true` mode. PiperOrigin-RevId: 350841006
2021-01-08Merge release-20201216.0-72-gbf343394d (automated)gVisor bot
2021-01-07Merge pull request #5207 from avagin:arm64-crossgVisor bot
PiperOrigin-RevId: 350691246
2021-01-07Merge release-20201208.0-127-gb1de1da31 (automated)gVisor bot
2021-01-07netstack: Refactor tcpip.Endpoint.ReadTing-Yu Wang
Read now takes a destination io.Writer, count, options. Keeping the method name Read, in contrast to the Write method. This enables: * direct transfer of views under VV * zero copy It also eliminates the need for sentry to keep a slice of view because userspace had requested a read that is smaller than the view returned, removing the complexity there. Read/Peek/ReadPacket are now consolidated together and some duplicate code is removed. PiperOrigin-RevId: 350636322
2021-01-07Implement the semtimedop syscallAndrei Vagin
Signed-off-by: Andrei Vagin <avagin@gmail.com>
2021-01-06Merge release-20201208.0-118-g7817e3b5e (automated)gVisor bot
2021-01-06Do not filter frames in ethernet link endpointGhanan Gowripalan
Ethernet frames are usually filtered at the hardware-level so there is no need to filter the frames in software. For test purposes, a new link endpoint was introduced to filter frames based on their destination. PiperOrigin-RevId: 350422941
2021-01-06Merge release-20201208.0-117-gabe9d9f67 (automated)gVisor bot
2021-01-06Support add/remove IPv6 multicast group sock optGhanan Gowripalan
IPv4 was always supported but UDP never supported joining/leaving IPv6 multicast groups via socket options. Add: IPPROTO_IPV6, IPV6_JOIN_GROUP/IPV6_ADD_MEMBERSHIP Remove: IPPROTO_IPV6, IPV6_LEAVE_GROUP/IPV6_DROP_MEMBERSHIP Test: integration_test.TestUDPAddRemoveMembershipSocketOption PiperOrigin-RevId: 350396072
2021-01-06Merge release-20201208.0-116-g0c4118d5b (automated)gVisor bot
2021-01-06Merge pull request #5177 from lubinszARM:pr_kernel_globalgVisor bot
PiperOrigin-RevId: 350375461
2021-01-06Merge release-20201208.0-112-gab32fa248 (automated)gVisor bot
2021-01-05Make type sanity checking happen only in race builds.Adin Scannell
This adds significant costs to startup, since it is done for every type in the system. Since the state package already saves sanity checks for race builds, use this for type registration. PiperOrigin-RevId: 350259336
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