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[src/trunk]: src/sys/netinet Support checksum offloading in carp(4) if the un...
details: https://anonhg.NetBSD.org/src/rev/0954ebdf7374
branches: trunk
changeset: 781116:0954ebdf7374
user: bouyer <bouyer%NetBSD.org@localhost>
date: Mon Aug 20 14:14:32 2012 +0000
description:
Support checksum offloading in carp(4) if the underlying device suports it,
as proposed on tech-net@ on 2 Aug 2012.
diffstat:
sys/netinet/ip_carp.c | 17 +++++++++++++++--
1 files changed, 15 insertions(+), 2 deletions(-)
diffs (45 lines):
diff -r 9e8f18ee1379 -r 0954ebdf7374 sys/netinet/ip_carp.c
--- a/sys/netinet/ip_carp.c Mon Aug 20 13:03:41 2012 +0000
+++ b/sys/netinet/ip_carp.c Mon Aug 20 14:14:32 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ip_carp.c,v 1.48 2012/03/27 17:48:17 bouyer Exp $ */
+/* $NetBSD: ip_carp.c,v 1.49 2012/08/20 14:14:32 bouyer Exp $ */
/* $OpenBSD: ip_carp.c,v 1.113 2005/11/04 08:11:54 mcbride Exp $ */
/*
@@ -30,7 +30,7 @@
#include "opt_inet.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_carp.c,v 1.48 2012/03/27 17:48:17 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_carp.c,v 1.49 2012/08/20 14:14:32 bouyer Exp $");
/*
* TODO:
@@ -1552,6 +1552,14 @@
if (ncif != NULL)
ifp->if_carp = (void *)ncif;
sc->sc_carpdev = ifp;
+ sc->sc_if.if_capabilities = ifp->if_capabilities &
+ (IFCAP_TSOv4 | IFCAP_TSOv6 |
+ IFCAP_CSUM_IPv4_Tx|IFCAP_CSUM_IPv4_Rx|
+ IFCAP_CSUM_TCPv4_Tx|IFCAP_CSUM_TCPv4_Rx|
+ IFCAP_CSUM_UDPv4_Tx|IFCAP_CSUM_UDPv4_Rx|
+ IFCAP_CSUM_TCPv6_Tx|IFCAP_CSUM_TCPv6_Rx|
+ IFCAP_CSUM_UDPv6_Tx|IFCAP_CSUM_UDPv6_Rx);
+
cif = (struct carp_if *)ifp->if_carp;
TAILQ_FOREACH(vr, &cif->vhif_vrs, sc_list) {
if (vr == sc)
@@ -2010,6 +2018,11 @@
error = carp_ether_delmulti(sc, ifr);
break;
+ case SIOCSIFCAP:
+ if ((error = ifioctl_common(ifp, cmd, addr)) == ENETRESET)
+ error = 0;
+ break;
+
default:
error = ether_ioctl(ifp, cmd, data);
}
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