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2021-01-22Merge release-20210112.0-74-g6c0e1d9cf (automated)gVisor bot
2021-01-22Define tcpip.Payloader in terms of io.ReaderTamir Duberstein
Fixes #1509. PiperOrigin-RevId: 353295589
2021-01-22Merge release-20210112.0-66-gcfbf20917 (automated)gVisor bot
2021-01-21iptables: support matching the input interface nameToshi Kikuchi
We have support for the output interface name, but not for the input interface name. This change adds the support for the input interface name, and adds the test cases for it. Fixes #5300 PiperOrigin-RevId: 353179389
2021-01-21Merge release-20210112.0-54-gb0136253e (automated)gVisor bot
2021-01-20Remove unimplemented message for SO_LINGERNayana Bidari
- Removes the unimplemented message for SO_LINGER - Fix the length for IP_PKTINFO option PiperOrigin-RevId: 352917611
2021-01-21Merge release-20210112.0-51-g55332aca9 (automated)gVisor bot
2021-01-20Move Lock/UnlockPOSIX into LockFD util.Dean Deng
PiperOrigin-RevId: 352904728
2021-01-16Merge release-20210112.0-37-g12d979083 (automated)gVisor bot
2021-01-15Remove count argument from tcpip.Endpoint.ReadTamir Duberstein
The same intent can be specified via the io.Writer. PiperOrigin-RevId: 352098747
2021-01-15Merge release-20210112.0-25-ge57ebcd37 (automated)gVisor bot
2021-01-14Add stats for ARPArthur Sfez
Fixes #4963 Startblock: has LGTM from sbalana and then add reviewer ghanan PiperOrigin-RevId: 351886320
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
2021-01-13Merge release-20201216.0-94-ge74aa25e2 (automated)gVisor bot
2021-01-12Remove useless cached stateTamir Duberstein
Simplify some logic while I'm here. PiperOrigin-RevId: 351491593
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
2021-01-11Merge release-20201216.0-82-g4c4de6644 (automated)gVisor bot
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
2021-01-06Merge 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
2021-01-05Merge release-20201208.0-110-gce7a4440c (automated)gVisor bot
2021-01-05Fix panic when parsing SO_TIMESTAMP cmsgKevin Krakauer
PiperOrigin-RevId: 350223482
2020-12-28Merge release-20201208.0-89-g3ff7324df (automated)gVisor bot
2020-12-22Move SO_BINDTODEVICE to socketops.Nayana Bidari
PiperOrigin-RevId: 348696094
2020-12-17[netstack] Implement IP(V6)_RECVERR socket option.Ayush Ranjan
PiperOrigin-RevId: 348055514
2020-12-17[netstack] Implement MSG_ERRQUEUE flag for recvmsg(2).Ayush Ranjan
Introduces the per-socket error queue and the necessary cmsg mechanisms. PiperOrigin-RevId: 348028508
2020-12-15[netstack] Make recvmsg(2) call to host in hostinet even if dst is empty.Ayush Ranjan
We want to make the recvmsg syscall to the host regardless of if the dst is empty or not so that: - Host can populate the control messages if necessary. - Host can return sender address. - Host can return appropriate errors. Earlier because we were using the IOSequence.CopyOutFrom() API, the usermem package does not even call the Reader function if the destination is empty (as an optimization). PiperOrigin-RevId: 347684566
2020-12-15Merge release-20201208.0-44-ga1c56bc22 (automated)gVisor bot
2020-12-14[netstack] Update raw socket and hostinet control message parsing.Ayush Ranjan
There are surprisingly few syscall tests that run with hostinet. For example running the following command only returns two results: `bazel query test/syscalls:all | grep hostnet` I think as a result, as our control messages evolved, hostinet was left behind. Update it to support all control messages netstack supports. This change also updates sentry's control message parsing logic to make it up to date with all the control messages we support. PiperOrigin-RevId: 347508892
2020-12-14Merge release-20201208.0-43-g2e191cb3f (automated)gVisor bot
2020-12-14Move SO_LINGER option to socketops.Nayana Bidari
PiperOrigin-RevId: 347437786
2020-12-14Merge release-20201208.0-41-gab593661e (automated)gVisor bot
2020-12-14Move SO_ERROR and SO_OOBINLINE option to socketops.Nayana Bidari
SO_OOBINLINE option is set/get as boolean value, which is the same as linux. As we currently do not support disabling this option, we always return it as true. PiperOrigin-RevId: 347413905
2020-12-12Merge release-20201208.0-36-g1e92732eb (automated)gVisor bot
2020-12-11Merge release-20201208.0-28-gaf4afdc0e (automated)gVisor bot
2020-12-11[netstack] Decouple tcpip.ControlMessages from the IP control messges.Ayush Ranjan
tcpip.ControlMessages can not contain Linux specific structures which makes it painful to convert back and forth from Linux to tcpip back to Linux when passing around control messages in hostinet and raw sockets. Now we convert to the Linux version of the control message as soon as we are out of tcpip. PiperOrigin-RevId: 347027065
2020-12-10Merge release-20201130.0-74-g92ca72ecb (automated)gVisor bot
2020-12-09Add support for IP_RECVORIGDSTADDR IP option.Bhasker Hariharan
Fixes #5004 PiperOrigin-RevId: 346643745
2020-12-07Merge release-20201130.0-58-g615c3380d (automated)gVisor bot
2020-12-07Export IGMP statsArthur Sfez
PiperOrigin-RevId: 346197760
2020-12-02Merge release-20201117.0-100-gbdaae08ee (automated)gVisor bot
2020-12-02Extract ICMPv4/v6 specific stats to their own typesArthur Sfez
This change lets us split the v4 stats from the v6 stats, which will be useful when adding stats for each network endpoint. PiperOrigin-RevId: 345322615
2020-12-02Merge release-20201117.0-97-g1375a87a2 (automated)gVisor bot
2020-12-02[netstack] Refactor common utils out of netstack to socket package.Ayush Ranjan
Moved AddressAndFamily() and ConvertAddress() to socket package from netstack. This helps because these utilities are used by sibling netstack packages. Such sibling dependencies can later cause circular dependencies. Common utils shared between siblings should be moved up to the parent. PiperOrigin-RevId: 345275571
2020-11-26Merge release-20201109.0-120-gad8311242 (automated)gVisor bot
2020-11-26[netstack] Add SOL_TCP options to SocketOptions.Ayush Ranjan
Ports the following options: - TCP_NODELAY - TCP_CORK - TCP_QUICKACK Also deletes the {Get/Set}SockOptBool interface methods from all implementations PiperOrigin-RevId: 344378824
2020-11-26Merge release-20201109.0-119-gbebadb518 (automated)gVisor bot
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