| // Copyright 2013 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. |
| |
| //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos |
| |
| package ipv6 |
| |
| import "golang.org/x/net/internal/socket" |
| |
| func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { |
| opt.Lock() |
| defer opt.Unlock() |
| if so, ok := sockOpts[ssoReceiveTrafficClass]; ok && cf&FlagTrafficClass != 0 { |
| if err := so.SetInt(c, boolint(on)); err != nil { |
| return err |
| } |
| if on { |
| opt.set(FlagTrafficClass) |
| } else { |
| opt.clear(FlagTrafficClass) |
| } |
| } |
| if so, ok := sockOpts[ssoReceiveHopLimit]; ok && cf&FlagHopLimit != 0 { |
| if err := so.SetInt(c, boolint(on)); err != nil { |
| return err |
| } |
| if on { |
| opt.set(FlagHopLimit) |
| } else { |
| opt.clear(FlagHopLimit) |
| } |
| } |
| if so, ok := sockOpts[ssoReceivePacketInfo]; ok && cf&flagPacketInfo != 0 { |
| if err := so.SetInt(c, boolint(on)); err != nil { |
| return err |
| } |
| if on { |
| opt.set(cf & flagPacketInfo) |
| } else { |
| opt.clear(cf & flagPacketInfo) |
| } |
| } |
| if so, ok := sockOpts[ssoReceivePathMTU]; ok && cf&FlagPathMTU != 0 { |
| if err := so.SetInt(c, boolint(on)); err != nil { |
| return err |
| } |
| if on { |
| opt.set(FlagPathMTU) |
| } else { |
| opt.clear(FlagPathMTU) |
| } |
| } |
| return nil |
| } |