- For #1300: implement sock-queue-timeout for FreeBSD as well.

doc/Changelog

@@ -1,5 +1,6 @@
 3 July 2025: Wouter
 	- Fix #1300: Is 'sock-queue-timeout' a linux only feature.
+	- For #1300: implement sock-queue-timeout for FreeBSD as well.
 
 2 July 2025: Wouter
 	- Merge #1299: Fix typos.

doc/unbound.conf.rst

@@ -910,7 +910,7 @@ These options are part of the **server:** clause.
     This could happen if the host has not been able to service the queries for
     a while, i.e. Unbound is not running, and then is enabled again.
     It uses timestamp socket options.
-    The socket option is available on the Linux platform.
+    The socket option is available on the Linux and FreeBSD platforms.
 
     Default: 0 (disabled)
 

services/listen_dnsport.c

@@ -1183,6 +1183,15 @@ set_recvtimestamp(int s)
 		return 0;
 	}
 	return 1;
+#elif defined(SO_TIMESTAMP) && defined(SCM_TIMESTAMP)
+	int on = 1;
+	/* FreeBSD and also Linux. */
+	if (setsockopt(s, SOL_SOCKET, SO_TIMESTAMP, (void*)&on, (socklen_t)sizeof(on)) < 0) {
+		log_err("setsockopt(..., SO_TIMESTAMP, ...) failed: %s",
+			strerror(errno));
+		return 0;
+	}
+	return 1;
 #else
 	log_err("packets timestamping is not supported on this platform");
 	(void)s;

util/netevent.c

@@ -1083,6 +1083,12 @@ comm_point_udp_ancil_callback(int fd, short event, void* arg)
 			} else if( cmsg->cmsg_level == SOL_SOCKET &&
 				cmsg->cmsg_type == SO_TIMESTAMP) {
 				memmove(&rep.c->recv_tv, CMSG_DATA(cmsg), sizeof(struct timeval));
+#elif defined(SO_TIMESTAMP) && defined(SCM_TIMESTAMP)
+			} else if( cmsg->cmsg_level == SOL_SOCKET &&
+				cmsg->cmsg_type == SCM_TIMESTAMP) {
+				/* FreeBSD and also Linux. */
+				memmove(&rep.c->recv_tv, CMSG_DATA(cmsg), sizeof
+(struct timeval));
 #endif /* HAVE_LINUX_NET_TSTAMP_H */
 			}
 		}