[src/trunk]: src/sys/arch/xen/xen allow skipping IPv4 checksum on Tx

[jdolecek <jdolecek%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6472e5a275f2
branches:  trunk
changeset: 745997:6472e5a275f2
user:      jdolecek <jdolecek%NetBSD.org@localhost>
date:      Thu Mar 19 11:19:25 2020 +0000

description:
allow skipping IPv4 checksum on Tx

diffstat:

 sys/arch/xen/xen/xennetback_xenbus.c |  11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diffs (46 lines):

diff -r 963b750f2f5e -r 6472e5a275f2 sys/arch/xen/xen/xennetback_xenbus.c
--- a/sys/arch/xen/xen/xennetback_xenbus.c      Thu Mar 19 10:53:43 2020 +0000
+++ b/sys/arch/xen/xen/xennetback_xenbus.c      Thu Mar 19 11:19:25 2020 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: xennetback_xenbus.c,v 1.81 2020/03/18 19:26:15 jdolecek Exp $      */
+/*      $NetBSD: xennetback_xenbus.c,v 1.82 2020/03/19 11:19:25 jdolecek Exp $      */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.81 2020/03/18 19:26:15 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xennetback_xenbus.c,v 1.82 2020/03/19 11:19:25 jdolecek Exp $");
 
 #include "opt_xen.h"
 
@@ -304,7 +304,8 @@
        ifp->if_snd.ifq_maxlen =
            uimax(ifqmaxlen, NET_TX_RING_SIZE * 2);
        ifp->if_capabilities =
-               IFCAP_CSUM_UDPv4_Tx
+               IFCAP_CSUM_IPv4_Tx
+               | IFCAP_CSUM_UDPv4_Tx
                | IFCAP_CSUM_TCPv4_Tx;
        ifp->if_ioctl = xennetback_ifioctl;
        ifp->if_start = xennetback_ifstart;
@@ -1049,7 +1050,7 @@
                        rxresp->offset = offset;
                        rxresp->status = m->m_pkthdr.len;
                        if ((m->m_pkthdr.csum_flags &
-                           (M_CSUM_TCPv4 | M_CSUM_UDPv4)) != 0) {
+                           (M_CSUM_TCPv4 | M_CSUM_UDPv4 | M_CSUM_IPv4)) != 0) {
                                rxresp->flags = NETRXF_csum_blank;
                        } else {
                                rxresp->flags = NETRXF_data_validated;
@@ -1358,7 +1359,7 @@
                        rxresp->offset = 0;
                        rxresp->status = m->m_pkthdr.len;
                        if ((m->m_pkthdr.csum_flags &
-                           (M_CSUM_TCPv4 | M_CSUM_UDPv4)) != 0) {
+                           (M_CSUM_TCPv4 | M_CSUM_UDPv4 | M_CSUM_IPv4)) != 0) {
                                rxresp->flags = NETRXF_csum_blank;
                        } else {
                                rxresp->flags = NETRXF_data_validated;