From 093b188bc00a9b5cda68a9479c7b8d38c0c9d621 Mon Sep 17 00:00:00 2001
From: bluhm <bluhm@openbsd.org>
Date: Sat, 13 Jul 2024 12:00:11 +0000
Subject: [PATCH] Mark IP protocol GRE as MP safe from socket layer.

The pipex code in gre_send() matches more or less what udp_send()
does.  This has been MP safe for a long time.  rip_send() is already
called with PR_MPSOCKET.

OK mvs@
---
 sys/netinet/in_proto.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/netinet/in_proto.c b/sys/netinet/in_proto.c
index e38cd80f5ac..5f9a1fbd3d7 100644
--- a/sys/netinet/in_proto.c
+++ b/sys/netinet/in_proto.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: in_proto.c,v 1.105 2024/07/12 19:50:35 bluhm Exp $	*/
+/*	$OpenBSD: in_proto.c,v 1.106 2024/07/13 12:00:11 bluhm Exp $	*/
 /*	$NetBSD: in_proto.c,v 1.14 1996/02/18 18:58:32 christos Exp $	*/
 
 /*
@@ -318,7 +318,7 @@ const struct protosw inetsw[] = {
   .pr_type	= SOCK_RAW,
   .pr_domain	= &inetdomain,
   .pr_protocol	= IPPROTO_GRE,
-  .pr_flags	= PR_ATOMIC|PR_ADDR,
+  .pr_flags	= PR_ATOMIC|PR_ADDR|PR_MPSOCKET,
   .pr_input	= gre_input,
   .pr_ctloutput	= rip_ctloutput,
   .pr_usrreqs	= &gre_usrreqs,
-- 
2.20.1