From: Alejandro Colomar <alx@kernel.org>
Date: Sun, 23 Nov 2025 21:30:19 +0000 (+0100)
Subject: man/man2const/{IPPROTO_IP,IP_HDRINCL}.2const: Split IP_HDRINCL from IPPROTO_IP(2const)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc09a0b515708b8dbca2e93bf68a18a831b4bc61;p=thirdparty%2Fman-pages.git

man/man2const/{IPPROTO_IP,IP_HDRINCL}.2const: Split IP_HDRINCL from IPPROTO_IP(2const)

Signed-off-by: Alejandro Colomar <alx@kernel.org>
---

diff --git a/man/man2const/IPPROTO_IP.2const b/man/man2const/IPPROTO_IP.2const
index 15517771a..06bf04f34 100644
--- a/man/man2const/IPPROTO_IP.2const
+++ b/man/man2const/IPPROTO_IP.2const
@@ -81,22 +81,8 @@ fail with the error
 .BR IP_DROP_SOURCE_MEMBERSHIP (2const)
 .TQ
 .BR IP_FREEBIND (2const)
-.TP
-.BR IP_HDRINCL " (since Linux 2.0)"
-If enabled,
-the user supplies an IP header in front of the user data.
-Valid only for
-.B SOCK_RAW
-sockets;
-see
-.BR raw (7)
-for more information.
-When this flag is enabled, the values set by
-.BR IP_OPTIONS ,
-.BR IP_TTL ,
-and
-.B IP_TOS
-are ignored.
+.TQ
+.BR IP_HDRINCL (2const)
 .TP
 .BR IP_LOCAL_PORT_RANGE " (since Linux 6.3)"
 Set or get the per-socket default local port range.
@@ -380,7 +366,7 @@ socket option value as the message type.
 There is no conflict currently since the IP option with the same value as
 .B SCM_SECURITY
 is
-.B IP_HDRINCL
+.BR IP_HDRINCL (2const)
 and this is never used for a control message type.
 .TP
 .BR IP_PKTINFO " (since Linux 2.2)"
diff --git a/man/man2const/IP_HDRINCL.2const b/man/man2const/IP_HDRINCL.2const
new file mode 100644
index 000000000..008cc98f0
--- /dev/null
+++ b/man/man2const/IP_HDRINCL.2const
@@ -0,0 +1,48 @@
+.\" Copyright, the authors of the Linux man-pages project
+.\"
+.\" SPDX-License-Identifier: Linux-man-pages-copyleft
+.\"
+.TH IPPROTO_IP 2const (date) "Linux man-pages (unreleased)"
+.SH NAME
+IPPROTO_IP
+\-
+include a user-supplied IP header
+.SH LIBRARY
+Standard C library
+.RI ( libc ,\~ \-lc )
+.SH SYNOPSIS
+.nf
+.BR "#include <netinet/in.h>" "  /* Definition of " IP* " constants */"
+.B #include <sys/socket.h>
+.P
+.BI int\~setsockopt(int\~ sockfd ,\~IPPROTO_IP,\~IP_HDRINCL,
+.BI "               const\~int\~*" enable ,\~sizeof(int));
+.fi
+.SH DESCRIPTION
+.TP
+.BR IP_HDRINCL " (since Linux 2.0)"
+If enabled,
+the user supplies an IP header in front of the user data.
+Valid only for
+.B SOCK_RAW
+sockets;
+see
+.BR raw (7)
+for more information.
+When this flag is enabled, the values set by
+.BR IP_OPTIONS ,
+.BR IP_TTL ,
+and
+.B IP_TOS
+are ignored.
+.SH ERRORS
+See
+.BR IPPROTO_IP (2const).
+See
+.BR setsockopt (2).
+See
+.BR ip (7).
+.SH SEE ALSO
+.BR IPPROTO_IP (2const),
+.BR setsockopt (2),
+.BR ip (7)