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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/sys_linux.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/sys_linux.go55
1 files changed, 55 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv4/sys_linux.go b/vendor/golang.org/x/net/ipv4/sys_linux.go
new file mode 100644
index 000000000..73e0d4623
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/sys_linux.go
@@ -0,0 +1,55 @@
+// 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"
+ "syscall"
+ "unsafe"
+)
+
+var (
+ ctlOpts = [ctlMax]ctlOpt{
+ ctlTTL: {sysIP_TTL, 1, marshalTTL, parseTTL},
+ ctlPacketInfo: {sysIP_PKTINFO, sysSizeofInetPktinfo, marshalPacketInfo, parsePacketInfo},
+ }
+
+ sockOpts = [ssoMax]sockOpt{
+ ssoTOS: {sysIP_TOS, ssoTypeInt},
+ ssoTTL: {sysIP_TTL, ssoTypeInt},
+ ssoMulticastTTL: {sysIP_MULTICAST_TTL, ssoTypeInt},
+ ssoMulticastInterface: {sysIP_MULTICAST_IF, ssoTypeIPMreqn},
+ ssoMulticastLoopback: {sysIP_MULTICAST_LOOP, ssoTypeInt},
+ ssoReceiveTTL: {sysIP_RECVTTL, ssoTypeInt},
+ ssoPacketInfo: {sysIP_PKTINFO, ssoTypeInt},
+ ssoHeaderPrepend: {sysIP_HDRINCL, ssoTypeInt},
+ ssoICMPFilter: {sysICMP_FILTER, ssoTypeICMPFilter},
+ 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 (pi *sysInetPktinfo) setIfindex(i int) {
+ pi.Ifindex = int32(i)
+}
+
+func (gr *sysGroupReq) setGroup(grp net.IP) {
+ sa := (*sysSockaddrInet)(unsafe.Pointer(&gr.Group))
+ sa.Family = syscall.AF_INET
+ copy(sa.Addr[:], grp)
+}
+
+func (gsr *sysGroupSourceReq) setSourceGroup(grp, src net.IP) {
+ sa := (*sysSockaddrInet)(unsafe.Pointer(&gsr.Group))
+ sa.Family = syscall.AF_INET
+ copy(sa.Addr[:], grp)
+ sa = (*sysSockaddrInet)(unsafe.Pointer(&gsr.Source))
+ sa.Family = syscall.AF_INET
+ copy(sa.Addr[:], src)
+}