Module Name:    src
Committed By:   knakahara
Date:           Fri Jan 31 12:09:13 UTC 2020

Modified Files:
        src/sys/dev/pci: if_wm.c

Log Message:
wm(4) unset RSS UDP flags like ixg(4) and other OS's one.

To handle IP fragmented UDP first packet and second packet by the same
Rx queue.

I tested on I354.


To generate a diff of this commit:
cvs rdiff -u -r1.665 -r1.666 src/sys/dev/pci/if_wm.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/if_wm.c
diff -u src/sys/dev/pci/if_wm.c:1.665 src/sys/dev/pci/if_wm.c:1.666
--- src/sys/dev/pci/if_wm.c:1.665	Fri Jan 31 12:04:57 2020
+++ src/sys/dev/pci/if_wm.c	Fri Jan 31 12:09:13 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_wm.c,v 1.665 2020/01/31 12:04:57 knakahara Exp $	*/
+/*	$NetBSD: if_wm.c,v 1.666 2020/01/31 12:09:13 knakahara Exp $	*/
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -82,7 +82,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.665 2020/01/31 12:04:57 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.666 2020/01/31 12:09:13 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -5323,8 +5323,11 @@ wm_init_rss(struct wm_softc *sc)
 	 */
 	mrqc |= (MRQC_RSS_FIELD_IPV4 | MRQC_RSS_FIELD_IPV4_TCP);
 	mrqc |= (MRQC_RSS_FIELD_IPV6 | MRQC_RSS_FIELD_IPV6_TCP);
+#if 0
 	mrqc |= (MRQC_RSS_FIELD_IPV4_UDP | MRQC_RSS_FIELD_IPV6_UDP);
-	mrqc |= (MRQC_RSS_FIELD_IPV6_UDP_EX | MRQC_RSS_FIELD_IPV6_TCP_EX);
+	mrqc |= MRQC_RSS_FIELD_IPV6_UDP_EX;
+#endif
+	mrqc |= MRQC_RSS_FIELD_IPV6_TCP_EX;
 
 	CSR_WRITE(sc, WMREG_MRQC, mrqc);
 }

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