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path: root/pkg/tcpip/link/sniffer/sniffer.go
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2019-06-13Update canonical repository.Adin Scannell
This can be merged after: https://github.com/google/gvisor-website/pull/77 or https://github.com/google/gvisor-website/pull/78 PiperOrigin-RevId: 253132620
2019-06-05netstack/sniffer: log GSO attributesAndrei Vagin
PiperOrigin-RevId: 251788534
2019-05-03Support IPv4 fragmentation in netstackGoogler
Testing: Unit tests and also large ping in Fuchsia OS PiperOrigin-RevId: 246563592 Change-Id: Ia12ab619f64f4be2c8d346ce81341a91724aef95
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-03-28netstack/fdbased: add generic segmentation offload (GSO) supportAndrei Vagin
The linux packet socket can handle GSO packets, so we can segment packets to 64K instead of the MTU which is usually 1500. Here are numbers for the nginx-1m test: runsc: 579330.01 [Kbytes/sec] received runsc-gso: 1794121.66 [Kbytes/sec] received runc: 2122139.06 [Kbytes/sec] received and for tcp_benchmark: $ tcp_benchmark --duration 15 --ideal [ 4] 0.0-15.0 sec 86647 MBytes 48456 Mbits/sec $ tcp_benchmark --client --duration 15 --ideal [ 4] 0.0-15.0 sec 2173 MBytes 1214 Mbits/sec $ tcp_benchmark --client --duration 15 --ideal --gso 65536 [ 4] 0.0-15.0 sec 19357 MBytes 10825 Mbits/sec PiperOrigin-RevId: 240809103 Change-Id: I2637f104db28b5d4c64e1e766c610162a195775a
2018-11-14Rename incorrectly named (dst, src) arguments in DeliverNetworkPacket prototypeBert Muthalaly
...to (remote, local), reflecting the (correct) names in the implementation of DeliverNetworkPacket (see tcpip/stack/nic.go). Also trim the names in DeliverNetworkPacket and elsewhere to avoid stuttering; since the type is tcpip.LinkAddress, there's no need to include "LinkAddr" in the parameter names. Note that every callsite passes arguments in the order (src, dst). PiperOrigin-RevId: 221514396 Change-Id: I3637454ad0d6e62a19e4dcbc2a16493798bd0f09
2018-10-19Use correct company name in copyright headerIan Gudger
PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-09-19Pass local link address to DeliverNetworkPacketBert Muthalaly
This allows a NetworkDispatcher to implement transparent bridging, assuming all implementations of LinkEndpoint.WritePacket call eth.Encode with header.EthernetFields.SrcAddr set to the passed Route.LocalLinkAddress, if it is provided. PiperOrigin-RevId: 213686651 Change-Id: I446a4ac070970202f0724ef796ff1056ae4dd72a
2018-09-14Remove buffer.Prependable.UsedBytesTamir Duberstein
It is the same as buffer.Prependable.View. PiperOrigin-RevId: 213064166 Change-Id: Ib33b8a2c4da864209d9a0be0a1c113be10b520d3
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
2018-09-05Update {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
2018-08-31Automated 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
2018-08-27Add various statisticsTamir Duberstein
PiperOrigin-RevId: 210442599 Change-Id: I9498351f461dc69c77b7f815d526c5693bec8e4a
2018-08-21Build PCAP file with atomic blocking writesIan Gudger
The previous use of non-blocking writes could result in corrupt PCAP files if a partial write occurs. Using (*os.File).Write solves this problem by not allowing partial writes. This change does not increase allocations (in one path it actually reduces them), but does add additional copying. PiperOrigin-RevId: 209652974 Change-Id: I4b1cf2eda4cfd7f237a4245aceb7391b3055a66c
2018-07-09Switch netstack licenses to Apache 2.0.Nicolas Lacasse
Fixes #27 PiperOrigin-RevId: 203825288 Change-Id: Ie9f3a2b2c1e296b026b024f75c07da1a7e118633
2018-05-22sentry: Add simple SIOCGIFFLAGS support (IFF_RUNNING and IFF_PROMIS).Kevin Krakauer
Establishes a way of communicating interface flags between netstack and epsocket. More flags can be added over time. PiperOrigin-RevId: 197616669 Change-Id: I230448c5fb5b7d2e8d69b41a451eb4e1096a0e30
2018-05-01Write either packet logs or pcap file. But not both.Bhasker Hariharan
PiperOrigin-RevId: 195035056 Change-Id: Ib32188b62188ddc2059debd52610e7904e1438c6
2018-04-28Check in gVisor.Googler
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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