githaven/vendor/golang.org/x/net/ipv4/sys_bpf.go
techknowlogick d2ea21d0d8
Use caddy's certmagic library for extensible/robust ACME handling (#14177)
* use certmagic for more extensible/robust ACME cert handling

* accept TOS based on config option

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-01-25 01:37:35 +02:00

25 lines
594 B
Go
Vendored

// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
package ipv4
import (
"unsafe"
"golang.org/x/net/bpf"
"golang.org/x/net/internal/socket"
"golang.org/x/sys/unix"
)
func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error {
prog := unix.SockFprog{
Len: uint16(len(f)),
Filter: (*unix.SockFilter)(unsafe.Pointer(&f[0])),
}
b := (*[unix.SizeofSockFprog]byte)(unsafe.Pointer(&prog))[:unix.SizeofSockFprog]
return so.Set(c, b)
}