3 Commits (4543ea5c8a2f9c9e45ddc2beb4d0635bd99cd079)

Author	SHA1	Message	Date
Jordan Whited	a93173b56a	cmd/xdpderper,derp/xdp: implement mode that drops STUN packets (#12527) ... This is useful during maintenance as a method for shedding home client load. Updates tailscale/corp#20689 Signed-off-by: Jordan Whited <jordan@tailscale.com>	2 years ago
Jordan Whited	315f3d5df1	derp/xdp: fix handling of zero value UDP checksums (#12510) ... validate_udp_checksum was previously indeterminate (not zero) at declaration, and IPv4 zero value UDP checksum packets were being passed to the kernel. Updates tailscale/corp#20689 Signed-off-by: Jordan Whited <jordan@tailscale.com>	2 years ago
Jordan Whited	65888d95c9	derp/xdp,cmd/xdpderper: initial skeleton (#12390) ... This commit introduces a userspace program for managing an experimental eBPF XDP STUN server program. derp/xdp contains the eBPF pseudo-C along with a Go pkg for loading it and exporting its metrics. cmd/xdpderper is a package main user of derp/xdp. Updates tailscale/corp#20689 Signed-off-by: Jordan Whited <jordan@tailscale.com>	2 years ago