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2019-08-15Rename fdbased/mmap.go to fdbased/mmap_stub.go.Haibo Xu
Signed-off-by: Haibo Xu haibo.xu@arm.com Change-Id: Id4489554b9caa332695df8793d361f8332f6a13b
2019-08-15Rename rawfile/blockingpoll_unsafe.go to rawfile/blockingpoll_stub_unsafe.go.Haibo Xu
Signed-off-by: Haibo Xu haibo.xu@arm.com Change-Id: I2376e502c1a860d5e624c8a8e3afab5da4c53022
2019-08-14Merge d81d94ac (automated)gVisor bot
2019-08-14Replace uinptr with int64 when returning lengthsTamir Duberstein
This is in accordance with newer parts of the standard library. PiperOrigin-RevId: 263449916
2019-08-14Merge 69d1414a (automated)gVisor bot
2019-08-14Add tcpip.AddressWithPrefix.StringTamir Duberstein
PiperOrigin-RevId: 263436592
2019-08-14Merge 570fb1db (automated)gVisor bot
2019-08-14Improve SendMsg performance.Bhasker Hariharan
SendMsg before this change would copy all the data over into a new slice even if the underlying socket could only accept a small amount of data. This is really inefficient with non-blocking sockets and under high throughput where large writes could get ErrWouldBlock or if there was say a timeout associated with the sendmsg() syscall. With this change we delay copying bytes in till they are needed and only copy what can be potentially sent/held in the socket buffer. Reducing the need to repeatedly copy data over. Also a minor fix to change state FIN-WAIT-1 when shutdown(..., SHUT_WR) is called instead of when we transmit the actual FIN. Otherwise the socket could remain in CONNECTED state even though the user has called shutdown() on the socket. Updates #627 PiperOrigin-RevId: 263430505
2019-08-13gonet: Replace NewPacketConn with DialUDP.Ian Gudger
This better matches the standard library and allows creating connected PacketConns. PiperOrigin-RevId: 263187462
2019-08-12Merge eac690e3 (automated)gVisor bot
2019-08-12Fix netstack build error on non-AMD64.Ian Gudger
This stub had the wrong function signature. PiperOrigin-RevId: 262992682
2019-08-09Merge 5a38eb12 (automated)gVisor bot
2019-08-09Add congestion control states to sender.Bhasker Hariharan
This change just introduces different congestion control states and ensures the sender.state is updated to reflect the current state of the connection. It is not used for any decisions yet but this is required before algorithms like Eiffel/PRR can be implemented. Fixes #394 PiperOrigin-RevId: 262638292
2019-08-08Merge 13a98df4 (automated)gVisor bot
2019-08-08netstack: Don't start endpoint goroutines too soon on restore.Rahat Mahmood
Endpoint protocol goroutines were previously started as part of loading the endpoint. This is potentially too soon, as resources used by these goroutine may not have been loaded. Protocol goroutines may perform meaningful work as soon as they're started (ex: incoming connect) which can cause them to indirectly access resources that haven't been loaded yet. This CL defers resuming all protocol goroutines until the end of restore. PiperOrigin-RevId: 262409429
2019-08-07Merge 79cc4397 (automated)gVisor bot
2019-08-07Set target address in ARP ReplyTamir Duberstein
PiperOrigin-RevId: 262163794
2019-08-06Merge dfbc0b0a (automated)gVisor bot
2019-08-06Fix for a panic due to writing to a closed accept channel.Bhasker Hariharan
This can happen because endpoint.Close() closes the accept channel first and then drains/resets any accepted but not delivered connections. But there can be connections that are connected but not delivered to the channel as the channel was full. But closing the channel can cause these writes to fail with a write to a closed channel. The correct solution is to abort any connections in SYN-RCVD state and drain/abort all completed connections before closing the accept channel. PiperOrigin-RevId: 261951132
2019-08-02Merge 960a5e55 (automated)gVisor bot
2019-08-02Plumbing for iptables sockopts.Kevin Krakauer
PiperOrigin-RevId: 261413396
2019-08-02Merge 2906dffc (automated)gVisor bot
2019-08-02Automated rollback of changelist 261191548Rahat Mahmood
PiperOrigin-RevId: 261373749
2019-08-01Merge f2b25aea (automated)gVisor bot
2019-08-01Implement getsockopt(TCP_INFO).Rahat Mahmood
Export some readily-available fields for TCP_INFO and stub out the rest. PiperOrigin-RevId: 261191548
2019-07-31Merge 12c4eb29 (automated)gVisor bot
2019-07-31Fix ICMPv4 EchoReply packet checksumAustin Kiekintveld
The checksum was not being reset before being re-calculated and sent out. This caused the sent checksum to always be `0x0800`. Fixes #605. PiperOrigin-RevId: 260965059
2019-07-31Merge c6e6d92c (automated)gVisor bot
2019-07-31Test connecting UDP sockets to the ANY addressTamir Duberstein
This doesn't currently pass on gVisor. While I'm here, fix a bug where connecting to the v6-mapped v4 address doesn't work in gVisor. PiperOrigin-RevId: 260923961
2019-07-30Merge 7369c63e (automated)gVisor bot
2019-07-30Pass ProtocolAddress instead of its fieldsTamir Duberstein
PiperOrigin-RevId: 260803517
2019-07-30Merge 1decf764 (automated)gVisor bot
2019-07-30Change syscall.POLL to syscall.PPOLL.Haibo Xu
syscall.POLL is not supported on arm64, using syscall.PPOLL to support both the x86 and arm64. refs #63 Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I2c81a063d3ec4e7e6b38fe62f17a0924977f505e COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/543 from xiaobo55x:master ba598263fd3748d1addd48e4194080aa12085164 PiperOrigin-RevId: 260752049
2019-07-24Merge 2ed832ff (automated)gVisor bot
2019-07-24Add support for a subnet prefix length on interface network addressesChris Kuiper
This allows the user code to add a network address with a subnet prefix length. The prefix length value is stored in the network endpoint and provided back to the user in the ProtocolAddress type. PiperOrigin-RevId: 259807693
2019-07-23Merge 12c25656 (automated)gVisor bot
2019-07-23Deduplicate EndpointState.connected someTamir Duberstein
This fixes a bug introduced in cl/251934850 that caused connect-accept-close-connect races to result in the second connect call failiing when it should have succeeded. PiperOrigin-RevId: 259584525
2019-07-19Merge 0e040ba6 (automated)gVisor bot
2019-07-19Handle interfaceAddr and NIC options separately for IP_MULTICAST_IFChris Kuiper
This tweaks the handling code for IP_MULTICAST_IF to ignore the InterfaceAddr if a NICID is given. PiperOrigin-RevId: 258982541
2019-07-18Merge eefa817c (automated)gVisor bot
2019-07-18net/tcp/setockopt: impelment setsockopt(fd, SOL_TCP, TCP_INQ)Andrei Vagin
PiperOrigin-RevId: 258859507
2019-07-16Merge 74dc663b (automated)gVisor bot
2019-07-16Internal change.gVisor bot
PiperOrigin-RevId: 258424489
2019-07-13Merge 9b4d3280 (automated)gVisor bot
2019-07-12Add IPPROTO_RAW, which allows raw sockets to write IP headers.Kevin Krakauer
iptables also relies on IPPROTO_RAW in a way. It opens such a socket to manipulate the kernel's tables, but it doesn't actually use any of the functionality. Blegh. PiperOrigin-RevId: 257903078
2019-07-12Check that IP headers contain correct versionTamir Duberstein
PiperOrigin-RevId: 257888338
2019-07-12Merge 6116473b (automated)gVisor bot
2019-07-12Stub out support for TCP_MAXSEG.Bhasker Hariharan
Adds support to set/get the TCP_MAXSEG value but does not really change the segment sizes emitted by netstack or alter the MSS advertised by the endpoint. This is currently being added only to unblock iperf3 on gVisor. Plumbing this correctly requires a bit more work which will come in separate CLs. PiperOrigin-RevId: 257859112
2019-07-12Merge 69e0affa (automated)gVisor bot
2019-07-03netstack/udp: connect with the AF_UNSPEC address family means disconnectAndrei Vagin
PiperOrigin-RevId: 256433283
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