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PiperOrigin-RevId: 291745021
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* Rename syncutil to sync.
* Add aliases to sync types.
* Replace existing usage of standard library sync package.
This will make it easier to swap out synchronization primitives. For example,
this will allow us to use primitives from github.com/sasha-s/go-deadlock to
check for lock ordering violations.
Updates #1472
PiperOrigin-RevId: 289033387
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...and port V6OnlyOption to it.
PiperOrigin-RevId: 288789451
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PiperOrigin-RevId: 288772878
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PiperOrigin-RevId: 282194656
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https://github.com/golang/go/wiki/CodeReviewComments#initialisms
This change does not introduce any new functionality. It just renames variables
from `nicid` to `nicID`.
PiperOrigin-RevId: 278992966
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PacketBuffers are analogous to Linux's sk_buff. They hold all information about
a packet, headers, and payload. This is important for:
* iptables to access various headers of packets
* Preventing the clutter of passing different net and link headers along with
VectorisedViews to packet handling functions.
This change only affects the incoming packet path, and a future change will
change the outgoing path.
Benchmark Regular PacketBufferPtr PacketBufferConcrete
--------------------------------------------------------------------------------
BM_Recvmsg 400.715MB/s 373.676MB/s 396.276MB/s
BM_Sendmsg 361.832MB/s 333.003MB/s 335.571MB/s
BM_Recvfrom 453.336MB/s 393.321MB/s 381.650MB/s
BM_Sendto 378.052MB/s 372.134MB/s 341.342MB/s
BM_SendmsgTCP/0/1k 353.711MB/s 316.216MB/s 322.747MB/s
BM_SendmsgTCP/0/2k 600.681MB/s 588.776MB/s 565.050MB/s
BM_SendmsgTCP/0/4k 995.301MB/s 888.808MB/s 941.888MB/s
BM_SendmsgTCP/0/8k 1.517GB/s 1.274GB/s 1.345GB/s
BM_SendmsgTCP/0/16k 1.872GB/s 1.586GB/s 1.698GB/s
BM_SendmsgTCP/0/32k 1.017GB/s 1.020GB/s 1.133GB/s
BM_SendmsgTCP/0/64k 475.626MB/s 584.587MB/s 627.027MB/s
BM_SendmsgTCP/0/128k 416.371MB/s 503.434MB/s 409.850MB/s
BM_SendmsgTCP/0/256k 323.449MB/s 449.599MB/s 388.852MB/s
BM_SendmsgTCP/0/512k 243.992MB/s 267.676MB/s 314.474MB/s
BM_SendmsgTCP/0/1M 95.138MB/s 95.874MB/s 95.417MB/s
BM_SendmsgTCP/0/2M 96.261MB/s 94.977MB/s 96.005MB/s
BM_SendmsgTCP/0/4M 96.512MB/s 95.978MB/s 95.370MB/s
BM_SendmsgTCP/0/8M 95.603MB/s 95.541MB/s 94.935MB/s
BM_SendmsgTCP/0/16M 94.598MB/s 94.696MB/s 94.521MB/s
BM_SendmsgTCP/0/32M 94.006MB/s 94.671MB/s 94.768MB/s
BM_SendmsgTCP/0/64M 94.133MB/s 94.333MB/s 94.746MB/s
BM_SendmsgTCP/0/128M 93.615MB/s 93.497MB/s 93.573MB/s
BM_SendmsgTCP/0/256M 93.241MB/s 95.100MB/s 93.272MB/s
BM_SendmsgTCP/1/1k 303.644MB/s 316.074MB/s 308.430MB/s
BM_SendmsgTCP/1/2k 537.093MB/s 584.962MB/s 529.020MB/s
BM_SendmsgTCP/1/4k 882.362MB/s 939.087MB/s 892.285MB/s
BM_SendmsgTCP/1/8k 1.272GB/s 1.394GB/s 1.296GB/s
BM_SendmsgTCP/1/16k 1.802GB/s 2.019GB/s 1.830GB/s
BM_SendmsgTCP/1/32k 2.084GB/s 2.173GB/s 2.156GB/s
BM_SendmsgTCP/1/64k 2.515GB/s 2.463GB/s 2.473GB/s
BM_SendmsgTCP/1/128k 2.811GB/s 3.004GB/s 2.946GB/s
BM_SendmsgTCP/1/256k 3.008GB/s 3.159GB/s 3.171GB/s
BM_SendmsgTCP/1/512k 2.980GB/s 3.150GB/s 3.126GB/s
BM_SendmsgTCP/1/1M 2.165GB/s 2.233GB/s 2.163GB/s
BM_SendmsgTCP/1/2M 2.370GB/s 2.219GB/s 2.453GB/s
BM_SendmsgTCP/1/4M 2.005GB/s 2.091GB/s 2.214GB/s
BM_SendmsgTCP/1/8M 2.111GB/s 2.013GB/s 2.109GB/s
BM_SendmsgTCP/1/16M 1.902GB/s 1.868GB/s 1.897GB/s
BM_SendmsgTCP/1/32M 1.655GB/s 1.665GB/s 1.635GB/s
BM_SendmsgTCP/1/64M 1.575GB/s 1.547GB/s 1.575GB/s
BM_SendmsgTCP/1/128M 1.524GB/s 1.584GB/s 1.580GB/s
BM_SendmsgTCP/1/256M 1.579GB/s 1.607GB/s 1.593GB/s
PiperOrigin-RevId: 278940079
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When VectorisedViews were passed up the stack from packet_dispatchers, we were
passing a sub-slice of the dispatcher's views fields. The dispatchers then
immediately set those views to nil.
This wasn't caught before because every implementer copied the data in these
views before returning.
PiperOrigin-RevId: 277615351
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Like (AF_INET, SOCK_RAW) sockets, AF_PACKET sockets require CAP_NET_RAW. With
runsc, you'll need to pass `--net-raw=true` to enable them.
Binding isn't supported yet.
PiperOrigin-RevId: 275909366
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