From: Witold Kręcicki <wpk@isc.org>
Date: Tue, 11 Feb 2020 13:41:49 +0000 (+0100)
Subject: use SO_INCOMING_CPU for UDP sockets
X-Git-Tag: v9.17.1~90^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=517e6eccdf6adbcc1307bec0913b5f74a336a37a;p=thirdparty%2Fbind9.git

use SO_INCOMING_CPU for UDP sockets
---

diff --git a/lib/isc/netmgr/udp.c b/lib/isc/netmgr/udp.c
index 46219d15bd4..823d01b5c1f 100644
--- a/lib/isc/netmgr/udp.c
+++ b/lib/isc/netmgr/udp.c
@@ -97,6 +97,10 @@ isc_nm_listenudp(isc_nm_t *mgr, isc_nmiface_t *iface, isc_nm_recv_cb_t cb,
 #endif /* ifdef WIN32 */
 		RUNTIME_CHECK(res == 0);
 
+#ifdef SO_INCOMING_CPU
+		setsockopt(csock->fd, SOL_SOCKET, SO_INCOMING_CPU, &(int){ 1 },
+			   sizeof(int));
+#endif
 		ievent = isc__nm_get_ievent(mgr, netievent_udplisten);
 		ievent->sock = csock;
 		isc__nm_enqueue_ievent(&mgr->workers[i],