Module Name: src
Committed By: msaitoh
Date: Wed Sep 16 15:04:58 UTC 2020
Modified Files:
src/sys/dev/pci: if_wm.c
Log Message:
Use 12K for packet buffer for jumbo frame on PCH2 and newer.
XXX Note that Linux Use 14K.
To generate a diff of this commit:
cvs rdiff -u -r1.688 -r1.689 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:1.688 src/sys/dev/pci/if_wm.c:1.689
--- src/sys/dev/pci/if_wm.c:1.688 Wed Sep 16 15:04:01 2020
+++ src/sys/dev/pci/if_wm.c Wed Sep 16 15:04:57 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: if_wm.c,v 1.688 2020/09/16 15:04:01 msaitoh Exp $ */
+/* $NetBSD: if_wm.c,v 1.689 2020/09/16 15:04:57 msaitoh 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 1.688 2020/09/16 15:04:01 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.689 2020/09/16 15:04:57 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@@ -4873,7 +4873,8 @@ wm_reset(struct wm_softc *sc)
case WM_T_PCH_LPT:
case WM_T_PCH_SPT:
case WM_T_PCH_CNP:
- sc->sc_pba = PBA_26K;
+ sc->sc_pba = sc->sc_ethercom.ec_if.if_mtu > 1500 ?
+ PBA_12K : PBA_26K;
break;
default:
sc->sc_pba = sc->sc_ethercom.ec_if.if_mtu > 8192 ?
