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Tests:
- header_test.TestIsV6LinkLocalMulticastAddress
- header_test.TestScopeForIPv6Address
- stack_test.TestIPv6SourceAddressSelectionScopeAndSameAddress
PiperOrigin-RevId: 297215576
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TestCurrentConnectedIncrement fails consistently under gotsan due to the sleep
to check metrics is exactly the same as the TIME-WAIT duration. Under gotsan
things can be slow enough that the increment test is done before the protocol
goroutine is run after the TIME-WAIT timer expires and does its cleanup.
Increasing the sleep from 1s to 1.2s makes the test pass consistently.
PiperOrigin-RevId: 297160181
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Protocol dispatchers were previously leaked. Bypassing TIME_WAIT is required to
test this change.
Also fix a race when a socket in SYN-RCVD is closed. This is also required to
test this change.
PiperOrigin-RevId: 296922548
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PiperOrigin-RevId: 296526279
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Tests: stack_test.TestAttachToLinkEndpointImmediately
PiperOrigin-RevId: 296474068
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Test: stack_test.TestRouterSolicitation
PiperOrigin-RevId: 296454766
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TCP/IP will work with netstack networking. hostinet doesn't work, and sockets
will have the same behavior as it is now.
Before the userspace is able to create device, the default loopback device can
be used to test.
/proc/net and /sys/net will still be connected to the root network stack; this
is the same behavior now.
Issue #1833
PiperOrigin-RevId: 296309389
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- Disabled NICs will have their associated NDP state cleared.
- Disabled NICs will not accept incoming packets.
- Writes through a Route with a disabled NIC will return an invalid
endpoint state error.
- stack.Stack.FindRoute will not return a route with a disabled NIC.
- NIC's Running flag will report the NIC's enabled status.
Tests:
- stack_test.TestDisableUnknownNIC
- stack_test.TestDisabledNICsNICInfoAndCheckNIC
- stack_test.TestRoutesWithDisabledNIC
- stack_test.TestRouteWritePacketWithDisabledNIC
- stack_test.TestStopStartSolicitingRouters
- stack_test.TestCleanupNDPState
- stack_test.TestAddRemoveIPv4BroadcastAddressOnNICEnableDisable
- stack_test.TestJoinLeaveAllNodesMulticastOnNICEnableDisable
PiperOrigin-RevId: 296298588
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Added the ability to get/set the IP_RECVTCLASS socket option on UDP endpoints.
If enabled, traffic class from the incoming Network Header passed as ancillary
data in the ControlMessages.
Adding Get/SetSockOptBool to decrease the overhead of getting/setting simple
options. (This was absorbed in a CL that will be landing before this one).
Test:
* Added unit test to udp_test.go that tests getting/setting as well as
verifying that we receive expected TOS from incoming packet.
* Added a syscall test for verifying getting/setting
* Removed test skip for existing syscall test to enable end to end test.
PiperOrigin-RevId: 295840218
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$ iptables -N foochain
$ iptables -A INPUT -j foochain
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PiperOrigin-RevId: 294957297
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PiperOrigin-RevId: 294952610
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- Adds creation of user chains via `-N <chainname>`
- Adds `-j RETURN` support for built-in chains, which triggers the
chain's underflow rule (usually the default policy).
- Adds tests for chain creation, default policies, and `-j RETURN' from
built-in chains.
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PiperOrigin-RevId: 294500858
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PiperOrigin-RevId: 294340468
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Previously, a DAD event would not be sent if DAD was disabled.
This allows integrators to do some work when an IPv6 address is bound to
a NIC without special logic that checks if DAD is enabled.
Without this change, integrators would need to check if a NIC has DAD
enabled when an address is auto-generated. If DAD is enabled, it would
need to delay the work until the DAD completion event; otherwise, it
would need to do the work in the address auto-generated event handler.
Test: stack_test.TestDADDisabled
PiperOrigin-RevId: 293732914
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Auto-generated link-local addresses should have the same lifecycle hooks
as global SLAAC addresses.
The Stack's NDP dispatcher should be notified when link-local addresses
are auto-generated and invalidated. They should also be removed when a
NIC is disabled (which will be supported in a later change).
Tests:
- stack_test.TestNICAutoGenAddrWithOpaque
- stack_test.TestNICAutoGenAddr
PiperOrigin-RevId: 293706760
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Addresses may be added before a NIC is enabled. Make sure DAD is
performed on the permanent IPv6 addresses when they get enabled.
Test:
- stack_test.TestDoDADWhenNICEnabled
- stack.TestDisabledRxStatsWhenNICDisabled
PiperOrigin-RevId: 293697429
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The types gonet.Conn and gonet.PacketConn were confusingly named as both
implemented net.Conn. Further, gonet.Conn was perhaps unexpectedly
TCP-specific (net.Conn is not). This change renames them to gonet.TCPConn and
gonet.UDPConn.
Renames gonet.NewListener to gonet.ListenTCP and adds a new gonet.NewTCPListner
function to be consistent with both the gonet.DialXxx and gonet.NewXxxConn
functions as well as net.ListenTCP.
Updates #1632
PiperOrigin-RevId: 293671303
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Get the link address for the target of an NDP Neighbor Advertisement
from the NDP Target Link Layer Address option.
Tests:
- ipv6.TestNeighorAdvertisementWithTargetLinkLayerOption
- ipv6.TestNeighorAdvertisementWithInvalidTargetLinkLayerOption
PiperOrigin-RevId: 293632609
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These were out-of-band notes that can help provide additional context
and simplify automated imports.
PiperOrigin-RevId: 293525915
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From RFC 793 s3.9 p58 Event Processing:
If RECEIVE Call arrives in CLOSED state and the user has access to such a
connection, the return should be "error: connection does not exist"
Fixes #1598
PiperOrigin-RevId: 293494287
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PiperOrigin-RevId: 293271055
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