Commit Graph

8 Commits (eccc1677333ca1b3f7f0c29c7606c22710d5f34e)

Author SHA1 Message Date
David Anderson 04ff3c91ee wgengine/filter: add full IPv6 support.
Part of #19.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson c2cc3acbaf net/packet: remove NewIP, offer only a netaddr constructor.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 9ef39af2f2 net/packet: fix panic on invalid IHL field.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 55b1221db2 net/packet: support full IPv6 decoding.
The packet filter still rejects all IPv6, but decodes enough from v6
packets to do something smarter in a followup.

name              time/op
Decode/tcp4-8     28.8ns ± 2%
Decode/tcp6-8     20.6ns ± 1%
Decode/udp4-8     28.2ns ± 1%
Decode/udp6-8     20.0ns ± 6%
Decode/icmp4-8    21.7ns ± 2%
Decode/icmp6-8    14.1ns ± 2%
Decode/unknown-8  9.43ns ± 2%

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 89894c6930 net/packet: add IPv6 source and destination IPs to Parsed.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 6e52633c53 net/packet: record allocations in benchmark. 4 years ago
David Anderson 093431f5dd net/packet: s/ParsedPacket/Parsed/ to avoid package stuttering.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 427bf2134f net/packet: rename from wgengine/packet.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago