Commit Graph

20 Commits

Author SHA1 Message Date
Kevin Krakauer 9b4d3280e1 Add IPPROTO_RAW, which allows raw sockets to write IP headers.
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
2019-07-12 18:09:12 -07:00
Adin Scannell add40fd6ad Update canonical repository.
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
2019-06-13 16:50:15 -07:00
Michael Pratt 4d52a55201 Change copyright notice to "The gVisor Authors"
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
2019-04-29 14:26:23 -07:00
Andrei Vagin f4105ac21a netstack/fdbased: add generic segmentation offload (GSO) support
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
2019-03-28 11:03:41 -07:00
Ian Gudger 56a6128295 Implement IP_MULTICAST_LOOP.
IP_MULTICAST_LOOP controls whether or not multicast packets sent on the default
route are looped back. In order to implement this switch, support for sending
and looping back multicast packets on the default route had to be implemented.

For now we only support IPv4 multicast.

PiperOrigin-RevId: 237534603
Change-Id: I490ac7ff8e8ebef417c7eb049a919c29d156ac1c
2019-03-08 15:49:17 -08:00
Tamir Duberstein 3830786883 Map IPv{4,6} addresses to ethernet addresses
...in accordance with RFCs 1112 and 2464.

Fixes IPv4 multicast when IP_MULTICAST_IF is specified.

Don't return ErrNoRoute when no route is needed.
Don't set Route.NextHop when no route is needed.

PiperOrigin-RevId: 236199813
Change-Id: I48ed33e1b7f760deaa37e18ad7f1b8b62819ab43
2019-02-28 14:38:32 -08:00
Kevin Krakauer b75aa51504 Rename ping endpoints to icmp endpoints.
PiperOrigin-RevId: 235248572
Change-Id: I5b0538b6feb365a98712c2a2d56d856fe80a8a09
2019-02-22 13:34:47 -08:00
Michael Pratt 2a0c69b19f Remove license comments
Nothing reads them and they can simply get stale.

Generated with:
$ sed -i "s/licenses(\(.*\)).*/licenses(\1)/" **/BUILD

PiperOrigin-RevId: 231818945
Change-Id: Ibc3f9838546b7e94f13f217060d31f4ada9d4bf0
2019-01-31 11:12:53 -08:00
Adin Scannell 75cd70ecc9 Track paths and provide a rename hook.
This change also adds extensive testing to the p9 package via mocks. The sanity
checks and type checks are moved from the gofer into the core package, where
they can be more easily validated.

PiperOrigin-RevId: 218296768
Change-Id: I4fc3c326e7bf1e0e140a454cbacbcc6fd617ab55
2018-10-23 00:20:15 -07:00
Ian Gudger 8fce67af24 Use correct company name in copyright header
PiperOrigin-RevId: 217951017
Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-19 16:35:11 -07:00
Tamir Duberstein d7a05b4e63 Pass buffer.Prependable by value
PiperOrigin-RevId: 213053370
Change-Id: I60ea89572b4fca53fd126c870fcbde74fcf52562
2018-09-14 15:23:58 -07:00
Tamir Duberstein d689f8422f Always pass buffer.VectorisedView by value
PiperOrigin-RevId: 212757571
Change-Id: I04200df9e45c21eb64951cd2802532fa84afcb1a
2018-09-12 21:57:55 -07:00
Tamir Duberstein 5adb3468d4 Add multicast support
PiperOrigin-RevId: 212750821
Change-Id: I822fd63e48c684b45fd91f9ce057867b7eceb792
2018-09-12 20:39:24 -07:00
Bert Muthalaly 5685d6b5ad Update {LinkEndpoint,NetworkEndpoint}#WritePacket to take a VectorisedView
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
2018-09-05 17:34:25 -07:00
Ian Gudger 3cd7824410 Move stack clock to options struct
PiperOrigin-RevId: 207039273
Change-Id: Ib8f55a6dc302052ab4a10ccd70b07f0d73b373df
2018-08-01 20:22:02 -07:00
Zhaozhong Ni be7fcbc558 stateify: support explicit annotation mode; convert refs and stack packages.
We have been unnecessarily creating too many savable types implicitly.

PiperOrigin-RevId: 206334201
Change-Id: Idc5a3a14bfb7ee125c4f2bb2b1c53164e46f29a8
2018-07-27 10:17:21 -07:00
Nicolas Lacasse bf0fa09537 Switch netstack licenses to Apache 2.0.
Fixes #27

PiperOrigin-RevId: 203825288
Change-Id: Ie9f3a2b2c1e296b026b024f75c07da1a7e118633
2018-07-09 14:04:40 -07:00
Ian Gudger eb5414ee29 Add support for ping sockets
PiperOrigin-RevId: 195049322
Change-Id: I09f6dd58cf10a2e50e53d17d2823d540102913c5
2018-05-01 22:51:41 -07:00
Ian Gudger 3d3deef573 Implement SO_TIMESTAMP
PiperOrigin-RevId: 195047018
Change-Id: I6d99528a00a2125f414e1e51e067205289ec9d3d
2018-05-01 22:11:49 -07:00
Googler d02b74a5dc Check in gVisor.
PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
2018-04-28 01:44:26 -04:00