diff options
Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sys_freebsd.go')
-rw-r--r-- | vendor/golang.org/x/net/ipv4/sys_freebsd.go | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/sys_freebsd.go b/vendor/golang.org/x/net/ipv4/sys_freebsd.go new file mode 100644 index 000000000..163ff9a77 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_freebsd.go @@ -0,0 +1,73 @@ +// Copyright 2014 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. + +package ipv4 + +import ( + "net" + "runtime" + "strings" + "syscall" + "unsafe" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {sysIP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {sysIP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {sysIP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + } + + sockOpts = [ssoMax]sockOpt{ + ssoTOS: {sysIP_TOS, ssoTypeInt}, + ssoTTL: {sysIP_TTL, ssoTypeInt}, + ssoMulticastTTL: {sysIP_MULTICAST_TTL, ssoTypeByte}, + ssoMulticastInterface: {sysIP_MULTICAST_IF, ssoTypeInterface}, + ssoMulticastLoopback: {sysIP_MULTICAST_LOOP, ssoTypeInt}, + ssoReceiveTTL: {sysIP_RECVTTL, ssoTypeInt}, + ssoReceiveDst: {sysIP_RECVDSTADDR, ssoTypeInt}, + ssoReceiveInterface: {sysIP_RECVIF, ssoTypeInt}, + ssoHeaderPrepend: {sysIP_HDRINCL, ssoTypeInt}, + ssoJoinGroup: {sysMCAST_JOIN_GROUP, ssoTypeGroupReq}, + ssoLeaveGroup: {sysMCAST_LEAVE_GROUP, ssoTypeGroupReq}, + ssoJoinSourceGroup: {sysMCAST_JOIN_SOURCE_GROUP, ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {sysMCAST_LEAVE_SOURCE_GROUP, ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {sysMCAST_BLOCK_SOURCE, ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {sysMCAST_UNBLOCK_SOURCE, ssoTypeGroupSourceReq}, + } +) + +func init() { + freebsdVersion, _ = syscall.SysctlUint32("kern.osreldate") + if freebsdVersion >= 1000000 { + sockOpts[ssoMulticastInterface].typ = ssoTypeIPMreqn + } + if runtime.GOOS == "freebsd" && runtime.GOARCH == "386" { + archs, _ := syscall.Sysctl("kern.supported_archs") + for _, s := range strings.Fields(archs) { + if s == "amd64" { + freebsd32o64 = true + break + } + } + } +} + +func (gr *sysGroupReq) setGroup(grp net.IP) { + sa := (*sysSockaddrInet)(unsafe.Pointer(&gr.Group)) + sa.Len = sysSizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) +} + +func (gsr *sysGroupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sysSockaddrInet)(unsafe.Pointer(&gsr.Group)) + sa.Len = sysSizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) + sa = (*sysSockaddrInet)(unsafe.Pointer(&gsr.Source)) + sa.Len = sysSizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], src) +} |