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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sys_freebsd.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/sys_freebsd.go76
1 files changed, 76 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 0000000..b800324
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/sys_freebsd.go
@@ -0,0 +1,76 @@
+// 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"
+
+ "golang.org/x/net/internal/iana"
+ "golang.org/x/net/internal/socket"
+)
+
+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 = map[int]*sockOpt{
+ ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_TOS, Len: 4}},
+ ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_TTL, Len: 4}},
+ ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_TTL, Len: 1}},
+ ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_IF, Len: 4}},
+ ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_LOOP, Len: 4}},
+ ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_RECVTTL, Len: 4}},
+ ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_RECVDSTADDR, Len: 4}},
+ ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_RECVIF, Len: 4}},
+ ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_HDRINCL, Len: 4}},
+ ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
+ ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
+ ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+ ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+ ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+ ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+ }
+)
+
+func init() {
+ freebsdVersion, _ = syscall.SysctlUint32("kern.osreldate")
+ if freebsdVersion >= 1000000 {
+ sockOpts[ssoMulticastInterface] = &sockOpt{Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_IF, Len: sizeofIPMreqn}, 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 *groupReq) setGroup(grp net.IP) {
+ sa := (*sockaddrInet)(unsafe.Pointer(&gr.Group))
+ sa.Len = sizeofSockaddrInet
+ sa.Family = syscall.AF_INET
+ copy(sa.Addr[:], grp)
+}
+
+func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
+ sa := (*sockaddrInet)(unsafe.Pointer(&gsr.Group))
+ sa.Len = sizeofSockaddrInet
+ sa.Family = syscall.AF_INET
+ copy(sa.Addr[:], grp)
+ sa = (*sockaddrInet)(unsafe.Pointer(&gsr.Source))
+ sa.Len = sizeofSockaddrInet
+ sa.Family = syscall.AF_INET
+ copy(sa.Addr[:], src)
+}