From: Joan Lledó <[email protected]>

This defines `IP_PKTINFO` and `struct in_pktinfo`
---
 sysdeps/mach/hurd/bits/in.h | 156 ++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 sysdeps/mach/hurd/bits/in.h

diff --git a/sysdeps/mach/hurd/bits/in.h b/sysdeps/mach/hurd/bits/in.h
new file mode 100644
index 0000000000..6f07e02c2b
--- /dev/null
+++ b/sysdeps/mach/hurd/bits/in.h
@@ -0,0 +1,156 @@
+/* Copyright (C) 1997-2026 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* Hurd version.  */
+
+#ifndef _NETINET_IN_H
+# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
+#endif
+
+/* This is the hurd version, do not assume a linux-based kernel.  */
+#define __USE_KERNEL_IPV6_DEFS 0
+
+/* To select the IP level.  */
+#define SOL_IP         0
+
+/* Options for use with `getsockopt' and `setsockopt' at the IP level.
+   The first word in the comment at the right is the data type used;
+   "bool" means a boolean value stored in an `int'.  */
+#define        IP_OPTIONS      1       /* ip_opts; IP per-packet options.  */
+#define        IP_HDRINCL      2       /* int; Header is included with data.  
*/
+#define        IP_TOS          3       /* int; IP type of service and 
precedence.  */
+#define        IP_TTL          4       /* int; IP time to live.  */
+#define        IP_RECVOPTS     5       /* bool; Receive all IP options 
w/datagram.  */
+#define        IP_RECVRETOPTS  6       /* bool; Receive IP options for 
response.  */
+#define        IP_RECVDSTADDR  7       /* bool; Receive IP dst addr 
w/datagram.  */
+#define        IP_RETOPTS      8       /* ip_opts; Set/get IP per-packet 
options.  */
+#define IP_MULTICAST_IF 9      /* in_addr; set/get IP multicast i/f */
+#define IP_MULTICAST_TTL 10    /* unsigned char; set/get IP multicast ttl */
+#define IP_MULTICAST_LOOP 11   /* bool; set/get IP multicast loopback */
+#define IP_ADD_MEMBERSHIP 12   /* ip_mreq; add an IP group membership */
+#define IP_DROP_MEMBERSHIP 13  /* ip_mreq; drop an IP group membership */
+#define IP_PKTINFO     25      /* bool; Receive if/addr w/datagram*/
+
+/* IP_MTU_DISCOVER arguments.  */
+#define IP_PMTUDISC_DONT   0   /* Never send DF frames.  */
+#define IP_PMTUDISC_WANT   1   /* Use per route hints.  */
+#define IP_PMTUDISC_DO     2   /* Always DF.  */
+#define IP_PMTUDISC_PROBE  3   /* Ignore dst pmtu.  */
+/* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
+   Also incoming ICMP frag_needed notifications will be ignored on
+   this socket to prevent accepting spoofed ones.  */
+#define IP_PMTUDISC_INTERFACE           4
+/* Like IP_PMTUDISC_INTERFACE but allow packets to be fragmented.  */
+#define IP_PMTUDISC_OMIT               5
+
+#ifdef __USE_MISC
+/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
+   The `ip_dst' field is used for the first-hop gateway when using a
+   source route (this gets put into the header proper).  */
+struct ip_opts
+  {
+    struct in_addr ip_dst;     /* First hop; zero without source route.  */
+    char ip_opts[40];          /* Actually variable in size.  */
+  };
+
+/* Structure used for IP_PKTINFO.  */
+struct in_pktinfo
+  {
+    int ipi_ifindex;                   /* Interface index  */
+    struct in_addr ipi_spec_dst;       /* Routing destination address  */
+    struct in_addr ipi_addr;           /* Header destination address  */
+  };
+#endif
+
+/* Socket-level values for IPv6.  */
+#define SOL_IPV6               41
+#define SOL_ICMPV6             58
+
+/* IPV6 socket options.  */
+#define IPV6_ADDRFORM          1
+#define IPV6_2292PKTINFO       2
+#define IPV6_2292HOPOPTS       3
+#define IPV6_2292DSTOPTS       4
+#define IPV6_2292RTHDR         5
+#define IPV6_2292PKTOPTIONS    6
+#define IPV6_CHECKSUM          7
+#define IPV6_2292HOPLIMIT      8
+
+#define IPV6_RXINFO            IPV6_2292PKTINFO
+#define IPV6_TXINFO            IPV6_RXINFO
+#define SCM_SRCINFO            IPV6_TXINFO
+#define SCM_SRCRT              IPV6_RXSRCRT
+
+#define IPV6_UNICAST_HOPS      16
+#define IPV6_MULTICAST_IF      17
+#define IPV6_MULTICAST_HOPS    18
+#define IPV6_MULTICAST_LOOP    19
+#define IPV6_JOIN_GROUP                20
+#define IPV6_LEAVE_GROUP       21
+#define IPV6_ROUTER_ALERT      22
+#define IPV6_MTU_DISCOVER      23
+#define IPV6_MTU               24
+#define IPV6_RECVERR           25
+#define IPV6_V6ONLY            26
+#define IPV6_JOIN_ANYCAST      27
+#define IPV6_LEAVE_ANYCAST     28
+
+/* IPV6_MTU_DISCOVER values.  */
+#define IPV6_PMTUDISC_DONT     0       /* Never send DF frames.  */
+#define IPV6_PMTUDISC_WANT     1       /* Use per route hints.  */
+#define IPV6_PMTUDISC_DO       2       /* Always DF.  */
+#define IPV6_PMTUDISC_PROBE    3       /* Ignore dst pmtu.  */
+#define IPV6_PMTUDISC_INTERFACE        4       /* See IP_PMTUDISC_INTERFACE.  
*/
+#define IPV6_PMTUDISC_OMIT     5       /* See IP_PMTUDISC_OMIT.  */
+
+/* Advanced API (RFC3542) (1).  */
+#define IPV6_RECVPKTINFO       49
+#define IPV6_PKTINFO           50
+#define IPV6_RECVHOPLIMIT      51
+#define IPV6_HOPLIMIT          52
+#define IPV6_RECVHOPOPTS       53
+#define IPV6_HOPOPTS           54
+#define IPV6_RTHDRDSTOPTS      55
+#define IPV6_RECVRTHDR         56
+#define IPV6_RTHDR             57
+#define IPV6_RECVDSTOPTS       58
+#define IPV6_DSTOPTS           59
+#define IPV6_RECVPATHMTU       60
+#define IPV6_PATHMTU           61
+#define IPV6_DONTFRAG          62
+
+/* Advanced API (RFC3542) (2).  */
+#define IPV6_RECVTCLASS                66
+#define IPV6_TCLASS            67
+
+/* RFC5014.  */
+#define IPV6_ADDR_PREFERENCES  72
+
+/* RFC5082.  */
+#define IPV6_MINHOPCOUNT       73
+
+/* Obsolete synonyms for the above.  */
+#define IPV6_ADD_MEMBERSHIP    IPV6_JOIN_GROUP
+#define IPV6_DROP_MEMBERSHIP   IPV6_LEAVE_GROUP
+#define IPV6_RXHOPOPTS         IPV6_2292HOPOPTS
+#define IPV6_RXDSTOPTS         IPV6_2292DSTOPTS
+
+/* Routing header options for IPv6.  */
+#define IPV6_RTHDR_LOOSE       0       /* Hop doesn't need to be neighbour. */
+#define IPV6_RTHDR_STRICT      1       /* Hop must be a neighbour.  */
+
+#define IPV6_RTHDR_TYPE_0      0       /* IPv6 Routing header type 0.  */
-- 
2.47.3


Reply via email to