summaryrefslogtreecommitdiffstats
path: root/vendor/golang.org/x/net/ipv4/sys_freebsd.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sys_freebsd.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/sys_freebsd.go73
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)
+}