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2018-12-21Implement SO_KEEPALIVE, TCP_KEEPIDLE, and TCP_KEEPINTVL.Ian Gudger
Within gVisor, plumb new socket options to netstack. Within netstack, fix GetSockOpt and SetSockOpt return value logic. PiperOrigin-RevId: 226532229 Change-Id: If40734e119eed633335f40b4c26facbebc791c74
2018-12-06Fix tcpip.Endpoint.Write contract regarding short writesIan Gudger
* Clarify tcpip.Endpoint.Write contract regarding short writes. * Enforce tcpip.Endpoint.Write contract regarding short writes. * Update relevant users of tcpip.Endpoint.Write. PiperOrigin-RevId: 224377586 Change-Id: I24299ecce902eb11317ee13dae3b8d8a7c5b097d
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-09-28Block for link address resolutionSepehr Raissian
Previously, if address resolution for UDP or Ping sockets required sending packets using Write in Transport layer, Resolve would return ErrWouldBlock and Write would return ErrNoLinkAddress. Meanwhile startAddressResolution would run in background. Further calls to Write using same address would also return ErrNoLinkAddress until resolution has been completed successfully. Since Write is not allowed to block and System Calls need to be interruptible in System Call layer, the caller to Write is responsible for blocking upon return of ErrWouldBlock. Now, when startAddressResolution is called a notification channel for the completion of the address resolution is returned. The channel will traverse up to the calling function of Write as well as ErrNoLinkAddress. Once address resolution is complete (success or not) the channel is closed. The caller would call Write again to send packets and check if address resolution was compeleted successfully or not. Fixes google/gvisor#5 Change-Id: Idafaf31982bee1915ca084da39ae7bd468cebd93 PiperOrigin-RevId: 214962200
2018-09-14Pass buffer.Prependable by valueTamir Duberstein
PiperOrigin-RevId: 213053370 Change-Id: I60ea89572b4fca53fd126c870fcbde74fcf52562
2018-09-12Always pass buffer.VectorisedView by valueTamir Duberstein
PiperOrigin-RevId: 212757571 Change-Id: I04200df9e45c21eb64951cd2802532fa84afcb1a
2018-09-12Add multicast supportTamir Duberstein
PiperOrigin-RevId: 212750821 Change-Id: I822fd63e48c684b45fd91f9ce057867b7eceb792
2018-09-05Update {LinkEndpoint,NetworkEndpoint}#WritePacket to take a VectorisedViewBert Muthalaly
Makes it possible to avoid copying or allocating in cases where DeliverNetworkPacket (rx) needs to turn around and call WritePacket (tx) with its VectorisedView. Also removes the restriction on having VectorisedViews with multiple views in the write path. PiperOrigin-RevId: 211728717 Change-Id: Ie03a65ecb4e28bd15ebdb9c69f05eced18fdfcff
2018-09-04Automated rollback of changelist 211156845Bhasker Hariharan
PiperOrigin-RevId: 211525182 Change-Id: I462c20328955c77ecc7bfd8ee803ac91f15858e6
2018-09-04Distinguish Element and Linker for ilist.Adin Scannell
Furthermore, allow for the specification of an ElementMapper. This allows a single "Element" type to exist on multiple inline lists, and work without having to embed the entry type. This is a requisite change for supporting a per-Inode list of Dirents. PiperOrigin-RevId: 211467497 Change-Id: If2768999b43e03fdaecf8ed15f435fe37518d163
2018-08-31Automated rollback of changelist 211103930Googler
PiperOrigin-RevId: 211156845 Change-Id: Ie28011d7eb5f45f3a0158dbee2a68c5edf22f6e0
2018-08-31ipv6: ICMP supportTamir Duberstein
This CL does NDP link-address discovery for IPv6. It includes several small changes necessary to get linux to talk to this implementation. In particular, a hop limit of 255 is necessary for ICMPv6. PiperOrigin-RevId: 211103930 Change-Id: If25370ab84c6b1decfb15de917f3b0020f2c4e0e
2018-08-29ping: update comment about UDPIan Gudger
PiperOrigin-RevId: 210788012 Change-Id: I5ebdcf3d02bfab3484a1374fbccba870c9d68954
2018-08-07Netstack doesn't handle sending after SHUT_WR correctly.Brian Geffon
PiperOrigin-RevId: 207715032 Change-Id: I7b6690074c5be283145192895d706a92e921b22c
2018-08-02Automated rollback of changelist 207037226Zhaozhong Ni
PiperOrigin-RevId: 207125440 Change-Id: I6c572afb4d693ee72a0c458a988b0e96d191cd49
2018-08-01Automated rollback of changelist 207007153Michael Pratt
PiperOrigin-RevId: 207037226 Change-Id: I8b5f1a056d4f3eab17846f2e0193bb737ecb5428
2018-08-01stateify: convert all packages to use explicit mode.Zhaozhong Ni
PiperOrigin-RevId: 207007153 Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9
2018-07-27stateify: support explicit annotation mode; convert refs and stack packages.Zhaozhong Ni
We have been unnecessarily creating too many savable types implicitly. PiperOrigin-RevId: 206334201 Change-Id: Idc5a3a14bfb7ee125c4f2bb2b1c53164e46f29a8
2018-07-09Notify UDP and Ping endpoints on closeIan Gudger
PiperOrigin-RevId: 203883138 Change-Id: I7500c0a70f5d71c3fb37e2477f7fc466fa92fd3e
2018-07-09Switch netstack licenses to Apache 2.0.Nicolas Lacasse
Fixes #27 PiperOrigin-RevId: 203825288 Change-Id: Ie9f3a2b2c1e296b026b024f75c07da1a7e118633
2018-05-11netstack: release rcv lock after ping socket save is done.Zhaozhong Ni
PiperOrigin-RevId: 196324694 Change-Id: Ia3a48976433f21622eacb4a38fefe7143ca5e31b
2018-05-07Add generated file.Adin Scannell
PiperOrigin-RevId: 195706470 Change-Id: Ia146119f04d92d559f58a6bab133d9da97e054c9
2018-05-01Add support for ping socketsIan Gudger
PiperOrigin-RevId: 195049322 Change-Id: I09f6dd58cf10a2e50e53d17d2823d540102913c5
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