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net/packet: split off checksum munging into different pkg

Browse Source 
The current structure meant that we were embedding netstack in
the tailscale CLI and in the GUIs. This removes that by isolating
the checksum munging to a different pkg which is only called from
`net/tstun`.

Fixes #9756

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali
2023-10-11 14:14:37 -07:00
committed by Maisem Ali
parent 8b630c91bc
commit 9d96e05267
11 changed files with 451 additions and 405 deletions
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17
cmd/derper/depaware.txt
View File

@@ -17,7 +17,6 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
github.com/fxamacker/cbor/v2 from tailscale.com/tka
github.com/golang/groupcache/lru from tailscale.com/net/dnscache
github.com/golang/protobuf/proto from github.com/matttproud/golang_protobuf_extensions/pbutil
github.com/google/btree from gvisor.dev/gvisor/pkg/tcpip/header
L github.com/google/nftables from tailscale.com/util/linuxfw
L 💣 github.com/google/nftables/alignedbuff from github.com/google/nftables/xt
L 💣 github.com/google/nftables/binaryutil from github.com/google/nftables+
@@ -79,22 +78,6 @@ tailscale.com/cmd/derper dependencies: (generated by github.com/tailscale/depawa
google.golang.org/protobuf/runtime/protoimpl from github.com/golang/protobuf/proto+
google.golang.org/protobuf/types/descriptorpb from google.golang.org/protobuf/reflect/protodesc
google.golang.org/protobuf/types/known/timestamppb from github.com/prometheus/client_golang/prometheus+
gvisor.dev/gvisor/pkg/atomicbitops from gvisor.dev/gvisor/pkg/buffer+
gvisor.dev/gvisor/pkg/bits from gvisor.dev/gvisor/pkg/buffer
💣 gvisor.dev/gvisor/pkg/buffer from gvisor.dev/gvisor/pkg/tcpip+
gvisor.dev/gvisor/pkg/context from gvisor.dev/gvisor/pkg/refs
💣 gvisor.dev/gvisor/pkg/gohacks from gvisor.dev/gvisor/pkg/state/wire+
gvisor.dev/gvisor/pkg/linewriter from gvisor.dev/gvisor/pkg/log
gvisor.dev/gvisor/pkg/log from gvisor.dev/gvisor/pkg/context+
gvisor.dev/gvisor/pkg/refs from gvisor.dev/gvisor/pkg/buffer
💣 gvisor.dev/gvisor/pkg/state from gvisor.dev/gvisor/pkg/atomicbitops+
gvisor.dev/gvisor/pkg/state/wire from gvisor.dev/gvisor/pkg/state
💣 gvisor.dev/gvisor/pkg/sync from gvisor.dev/gvisor/pkg/atomicbitops+
gvisor.dev/gvisor/pkg/tcpip from gvisor.dev/gvisor/pkg/tcpip/header+
gvisor.dev/gvisor/pkg/tcpip/checksum from gvisor.dev/gvisor/pkg/buffer+
gvisor.dev/gvisor/pkg/tcpip/header from tailscale.com/net/packet
gvisor.dev/gvisor/pkg/tcpip/seqnum from gvisor.dev/gvisor/pkg/tcpip/header
gvisor.dev/gvisor/pkg/waiter from gvisor.dev/gvisor/pkg/context+
nhooyr.io/websocket from tailscale.com/cmd/derper+
nhooyr.io/websocket/internal/errd from nhooyr.io/websocket
nhooyr.io/websocket/internal/xsync from nhooyr.io/websocket

12
cmd/derper/derper_test.go
View File

@@ -12,6 +12,7 @@ import (
"testing"
"tailscale.com/net/stun"
"tailscale.com/tstest/deptest"
)
func TestProdAutocertHostPolicy(t *testing.T) {
@@ -128,3 +129,14 @@ func TestNoContent(t *testing.T) {
})
}
}
func TestDeps(t *testing.T) {
deptest.DepChecker{
BadDeps: map[string]string{
"gvisor.dev/gvisor/pkg/buffer": "https://github.com/tailscale/tailscale/issues/9756",
"gvisor.dev/gvisor/pkg/cpuid": "https://github.com/tailscale/tailscale/issues/9756",
"gvisor.dev/gvisor/pkg/tcpip": "https://github.com/tailscale/tailscale/issues/9756",
"gvisor.dev/gvisor/pkg/tcpip/header": "https://github.com/tailscale/tailscale/issues/9756",
},
}.Check(t)
}