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2024-06-18net/flowtrack: fix, test String methodBrad Fitzpatrick2-2/+9
I meant to do this in the earlier change and had a git fail. To atone, add a test too while I'm here. Updates #12486 Updates #12507 Change-Id: I4943b454a2530cb5047636f37136aa2898d2ffc7 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2024-06-18net/flowtrack: optimize Tuple type for use as map keyBrad Fitzpatrick2-8/+107
This gets UDP filter overhead closer to TCP. Still ~2x, but no longer ~3x. goos: darwin goarch: arm64 pkg: tailscale.com/wgengine/filter │ before │ after │ │ sec/op │ sec/op vs base │ FilterMatch/tcp-not-syn-v4-8 15.43n ± 3% 15.38n ± 5% ~ (p=0.339 n=10) FilterMatch/udp-existing-flow-v4-8 42.45n ± 0% 34.77n ± 1% -18.08% (p=0.000 n=10) geomean 25.59n 23.12n -9.65% Updates #12486 Change-Id: I595cfadcc6b7234604bed9c4dd4261e087c0d4c4 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2023-01-27all: update copyright and license headersWill Norris2-6/+4
This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>
2023-01-11net/flowtrack,wgengine/filter: refactor Cache to use genericsTom DNetto2-17/+17
Signed-off-by: Tom DNetto <tom@tailscale.com>
2022-10-05net/flowtrack: add json tags to Tuple (#5849)Joe Tsai1-3/+3
By convention, JSON serialization uses camelCase. Specify such names on the Tuple type. Signed-off-by: Joe Tsai <joetsai@digital-static.net>
2022-07-25all: convert more code to use net/netip directlyBrad Fitzpatrick1-3/+3
perl -i -npe 's,netaddr.IPPrefixFrom,netip.PrefixFrom,' $(git grep -l -F netaddr.) perl -i -npe 's,netaddr.IPPortFrom,netip.AddrPortFrom,' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IPPrefix,netip.Prefix,g' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IPPort,netip.AddrPort,g' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IP\b,netip.Addr,g' $(git grep -l -F netaddr. ) perl -i -npe 's,netaddr.IPv6Raw\b,netip.AddrFrom16,g' $(git grep -l -F netaddr. ) goimports -w . Then delete some stuff from the net/netaddr shim package which is no longer neeed. Updates #5162 Change-Id: Ia7a86893fe21c7e3ee1ec823e8aba288d4566cd8 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-07-25all: use various net/netip parse funcs directlyBrad Fitzpatrick1-5/+5
Mechanical change with perl+goimports. Changed {Must,}Parse{IP,IPPrefix,IPPort} to their netip variants, then goimports -d . Finally, removed the net/netaddr wrappers, to prevent future use. Updates #5162 Change-Id: I59c0e38b5fbca5a935d701645789cddf3d7863ad Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-07-25net/netaddr: start migrating to net/netip via new netaddr adapter packageBrad Fitzpatrick2-2/+2
Updates #5162 Change-Id: Id7bdec303b25471f69d542f8ce43805328d56c12 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2022-03-17all: use any instead of interface{}Josh Bleecher Snyder2-4/+4
My favorite part of generics. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-10-28all: use testingutil.MinAllocsPerRunJosh Bleecher Snyder1-4/+5
There are a few remaining uses of testing.AllocsPerRun: Two in which we only log the number of allocations, and one in which dynamically calculate the allocations target based on a different AllocsPerRun run. This also allows us to tighten the "no allocs" test in wgengine/filter. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-08-24fix: typo spelling grammarslowy071-1/+1
Signed-off-by: slowy07 <slowy.arfy@gmail.com>
2021-03-20net/packet, wgengine/filter: support SCTPBrad Fitzpatrick1-4/+6
Add proto to flowtrack.Tuple. Add types/ipproto leaf package to break a cycle. Server-side ACL work remains. Updates #1516 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-01-11net/flowtrack: add Tuple.String methodBrad Fitzpatrick1-0/+5
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-01-11net/flowtrack: add new package to specialize groupcache/lru key typeBrad Fitzpatrick2-0/+181
Reduces allocs. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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