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2020-08-03Merge release-20200622.1-313-gb2ae7ea1b (automated)gVisor bot
2020-08-03Plumbing context.Context to DecRef() and Release().Nayana Bidari
context is passed to DecRef() and Release() which is needed for SO_LINGER implementation. PiperOrigin-RevId: 324672584
2020-07-22Merge release-20200622.1-184-g71bf90c55 (automated)gVisor bot
2020-07-22Support for receiving outbound packets in AF_PACKET.Bhasker Hariharan
Updates #173 PiperOrigin-RevId: 322665518
2020-07-15Merge release-20200622.1-164-gdb653bb34 (automated)gVisor bot
2020-07-15fdbased: Vectorized write for packet; relax writev syscall filter.Ting-Yu Wang
Now it calls pkt.Data.ToView() when writing the packet. This may require copying when the packet is large, which puts the worse case in an even worse situation. This sent out in a separate preparation change as it requires syscall filter changes. This change will be followed by the change for the adoption of the new PacketHeader API. PiperOrigin-RevId: 321447003
2020-07-15Merge release-20200622.1-162-gfef90c61c (automated)gVisor bot
2020-07-15Fix minor bugs in a couple of interface IOCTLs.Bhasker Hariharan
gVisor incorrectly returns the wrong ARP type for SIOGIFHWADDR. This breaks tcpdump as it tries to interpret the packets incorrectly. Similarly, SIOCETHTOOL is used by tcpdump to query interface properties which fails with an EINVAL since we don't implement it. For now change it to return EOPNOTSUPP to indicate that we don't support the query rather than return EINVAL. NOTE: ARPHRD types for link endpoints are distinct from NIC capabilities and NIC flags. In Linux all 3 exist eg. ARPHRD types are stored in dev->type field while NIC capabilities are more like the device features which can be queried using SIOCETHTOOL but not modified and NIC Flags are fields that can be modified from user space. eg. NIC status (UP/DOWN/MULTICAST/BROADCAST) etc. Updates #2746 PiperOrigin-RevId: 321436525
2020-07-13Merge release-20200622.1-106-ga287309d9 (automated)gVisor bot
2020-07-13Fix recvMMsgDispatcher not slicing link header correctly.Ting-Yu Wang
PiperOrigin-RevId: 321035635
2020-07-06Merge release-20200622.1-68-g15c56d92d (automated)gVisor bot
2020-07-06Fix NonBlockingWrite3 not writing b3 if b2 is zero-length.Ting-Yu Wang
PiperOrigin-RevId: 319882171
2020-06-24Merge release-20200608.0-119-g364ac92ba (automated)gVisor bot
2020-06-22Merge release-20200608.0-103-g282a6aea1 (automated)gVisor bot
2020-06-22Extract common nested LinkEndpoint patternBruno Dal Bo
... and unify logic for detached netsted endpoints. sniffer.go caused crashes if a packet delivery is attempted when the dispatcher is nil. Extracted the endpoint nesting logic into a common composable type so it can be used by the Fuchsia Netstack (the pattern is widespread there). PiperOrigin-RevId: 317682842
2020-06-10Merge release-20200522.0-115-gf004bb870 (automated)gVisor bot
2020-06-10Remove duplicate and incorrect size checkTamir Duberstein
Minimum header sizes are already checked in each `case` arm below. Worse, the ICMP entries in transportProtocolMinSizes are incorrect, and produce false "raw packet" logs. PiperOrigin-RevId: 315730073
2020-06-10Merge release-20200522.0-114-g9d2b2c121 (automated)gVisor bot
2020-06-10Replace use of %v in snifferTamir Duberstein
PiperOrigin-RevId: 315711208
2020-06-03Merge release-20200522.0-72-gd3a8bffe (automated)gVisor bot
2020-06-03Pass PacketBuffer as pointer.Ting-Yu Wang
Historically we've been passing PacketBuffer by shallow copying through out the stack. Right now, this is only correct as the caller would not use PacketBuffer after passing into the next layer in netstack. With new buffer management effort in gVisor/netstack, PacketBuffer will own a Buffer (to be added). Internally, both PacketBuffer and Buffer may have pointers and shallow copying shouldn't be used. Updates #2404. PiperOrigin-RevId: 314610879
2020-05-29Merge release-20200522.0-42-g65569cfc (automated)gVisor bot
2020-05-29Update Go version build tagsMichael Pratt
None of the dependencies have changed in 1.15. It may be possible to simplify some of the wrappers in rawfile following 1.13, but that can come in a later change. PiperOrigin-RevId: 313863264
2020-05-28Merge release-20200518.0-47-g835e8c89 (automated)gVisor bot
2020-05-27Remove linkEP from DeliverNetworkPacketSam Balana
The specified LinkEndpoint is not being used in a significant way. No behavior change, existing tests pass. This change is a breaking change. PiperOrigin-RevId: 313496602
2020-05-27Merge release-20200518.0-45-g0bc022b7 (automated)gVisor bot
2020-05-27Fix tiny typo.Kevin Krakauer
PiperOrigin-RevId: 313414690
2020-05-11Merge release-20200422.0-66-ge838e7a (automated)gVisor bot
2020-05-11Automated rollback of changelist 310417191Bhasker Hariharan
PiperOrigin-RevId: 310963404
2020-05-07Merge release-20200422.0-51-g1f4087e (automated)gVisor bot
2020-05-07Merge release-20200422.0-50-g28b5565 (automated)gVisor bot
2020-05-07Automated rollback of changelist 309339316Bhasker Hariharan
PiperOrigin-RevId: 310417191
2020-05-06Merge release-20200422.0-36-gb08222c (automated)gVisor bot
2020-05-06sniffer: fix accidental logging of good packets as badKevin Krakauer
We need to check vv.Size() instead of len(tcp), as tcp will always be 20 bytes long. PiperOrigin-RevId: 310218351
2020-05-01Merge release-20200422.0-11-g5e1e61f (automated)gVisor bot
2020-05-01Automated rollback of changelist 308674219Kevin Krakauer
PiperOrigin-RevId: 309491861
2020-05-01Merge release-20200422.0-8-g8962b78 (automated)gVisor bot
2020-04-30Enable FIFO QDisc by default in runsc.Bhasker Hariharan
Updates #231 PiperOrigin-RevId: 309339316
2020-04-30Merge release-20200422.0-7-gae15d90 (automated)gVisor bot
2020-04-30FIFO QDisc implementationBhasker Hariharan
Updates #231 PiperOrigin-RevId: 309323808
2020-04-27Merge release-20200323.0-253-g55f0c33 (automated)gVisor bot
2020-04-27Automated rollback of changelist 308163542gVisor bot
PiperOrigin-RevId: 308674219
2020-04-24Merge release-20200323.0-227-geccae0f (automated)gVisor bot
2020-04-23Remove View.First() and View.RemoveFirst()Kevin Krakauer
These methods let users eaily break the VectorisedView abstraction, and allowed netstack to slip into pseudo-enforcement of the "all headers are in the first View" invariant. Removing them and replacing with PullUp(n) breaks this reliance and will make it easier to add iptables support and rework network buffer management. The new View.PullUp(n) method is low cost in the common case, when when all the headers fit in the first View. PiperOrigin-RevId: 308163542
2020-04-21Merge release-20200323.0-199-g120d3b5 (automated)gVisor bot
2020-04-21Automated rollback of changelist 307477185gVisor bot
PiperOrigin-RevId: 307598974
2020-04-20Merge release-20200323.0-195-g07b1b4c (automated)gVisor bot
2020-04-17Remove View.First() and View.RemoveFirst()Kevin Krakauer
These methods let users eaily break the VectorisedView abstraction, and allowed netstack to slip into pseudo-enforcement of the "all headers are in the first View" invariant. Removing them and replacing with PullUp(n) breaks this reliance and will make it easier to add iptables support and rework network buffer management. The new View.PullUp(n) method is low cost in the common case, when when all the headers fit in the first View.
2020-04-17Merge release-20200323.0-175-g6c225ea (automated)gVisor bot
2020-04-17Allow caller-defined sinks for packet sniffing.Tamir Duberstein
PiperOrigin-RevId: 307053624
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