git: cd34d8dea4ad - main - linux: Translate IPv6 hoplimit ancillary data for recvmsg

The branch main has been updated by pouria:

URL: https://cgit.FreeBSD.org/src/commit/?id=cd34d8dea4adb69b3d7189c7b98dbc9516da3e4a

commit cd34d8dea4adb69b3d7189c7b98dbc9516da3e4a
Author:     Ricardo Branco <rbranco@suse.de>
AuthorDate: 2026-04-12 14:43:05 +0000
Commit:     Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org>
CommitDate: 2026-04-17 07:22:44 +0000

    linux: Translate IPv6 hoplimit ancillary data for recvmsg
    
    Signed-off-by:  Ricardo Branco <rbranco@suse.de>
    Reviewed by:    pouria
    Pull-Request:   https://github.com/freebsd/freebsd-src/pull/2138
---
 sys/compat/linux/linux_socket.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
index 2d20751a41aa..29b55ef60357 100644
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -707,6 +707,20 @@ bsd_to_linux_ip_cmsg_type(int cmsg_type)
 	return (-1);
 }
 
+#ifdef INET6
+static int
+bsd_to_linux_ip6_cmsg_type(int cmsg_type)
+{
+	switch (cmsg_type) {
+	case IPV6_2292HOPLIMIT:
+		return (LINUX_IPV6_2292HOPLIMIT);
+	case IPV6_HOPLIMIT:
+		return (LINUX_IPV6_HOPLIMIT);
+	}
+	return (-1);
+}
+#endif
+
 static int
 bsd_to_linux_cmsg_type(struct proc *p, int cmsg_type, int cmsg_level)
 {
@@ -714,6 +728,10 @@ bsd_to_linux_cmsg_type(struct proc *p, int cmsg_type, int cmsg_level)
 
 	if (cmsg_level == IPPROTO_IP)
 		return (bsd_to_linux_ip_cmsg_type(cmsg_type));
+#ifdef INET6
+	if (cmsg_level == IPPROTO_IPV6)
+		return (bsd_to_linux_ip6_cmsg_type(cmsg_type));
+#endif
 	if (cmsg_level != SOL_SOCKET)
 		return (-1);