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simplify syscall consts used for requesting / parsing IPv4 packet info (#3919)

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This commit is contained in:
Marten Seemann
2023-06-26 10:39:47 +02:00
committed by GitHub
parent 4b0ca320a3
commit d361637419
4 changed files with 8 additions and 11 deletions
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4
sys_conn_oob.go
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@@ -87,7 +87,7 @@ func newConn(c OOBCapablePacketConn, supportsDF bool) (*oobConn, error) {
errECNIPv6 = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_RECVTCLASS, 1)
if needsPacketInfo {
errPIIPv4 = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, ipv4RECVPKTINFO, 1)
errPIIPv4 = unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, ipv4PKTINFO, 1)
errPIIPv6 = unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_RECVPKTINFO, 1)
}
}); err != nil {
@@ -188,7 +188,7 @@ func (c *oobConn) ReadPacket() (receivedPacket, error) {
switch hdr.Type {
case msgTypeIPTOS:
p.ecn = protocol.ECN(body[0] & ecnMask)
case msgTypeIPv4PKTINFO:
case ipv4PKTINFO:
// struct in_pktinfo {
// unsigned int ipi_ifindex; /* Interface index */
// struct in_addr ipi_spec_dst; /* Local address */