From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/net/can/vxcan.c | 25 ++++++++++---------------
1 files changed, 10 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/net/can/vxcan.c b/kernel/drivers/net/can/vxcan.c
index ccd758b..282c53e 100644
--- a/kernel/drivers/net/can/vxcan.c
+++ b/kernel/drivers/net/can/vxcan.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* vxcan.c - Virtual CAN Tunnel for cross namespace communication
*
@@ -6,18 +7,6 @@
* for network interface pairs in a common and established way.
*
* Copyright (c) 2017 Oliver Hartkopp <socketcan@hartkopp.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the version 2 of the GNU General Public License
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
@@ -29,6 +18,7 @@
#include <linux/can/dev.h>
#include <linux/can/skb.h>
#include <linux/can/vxcan.h>
+#include <linux/can/can-ml.h>
#include <linux/slab.h>
#include <net/rtnetlink.h>
@@ -151,14 +141,19 @@
static void vxcan_setup(struct net_device *dev)
{
+ struct can_ml_priv *can_ml;
+
dev->type = ARPHRD_CAN;
dev->mtu = CANFD_MTU;
dev->hard_header_len = 0;
dev->addr_len = 0;
dev->tx_queue_len = 0;
- dev->flags = (IFF_NOARP|IFF_ECHO);
+ dev->flags = IFF_NOARP;
dev->netdev_ops = &vxcan_netdev_ops;
dev->needs_free_netdev = true;
+
+ can_ml = netdev_priv(dev) + ALIGN(sizeof(struct vxcan_priv), NETDEV_ALIGN);
+ can_set_ml_priv(dev, can_ml);
}
/* forward declaration for rtnl_create_link() */
@@ -209,7 +204,7 @@
return PTR_ERR(peer_net);
peer = rtnl_create_link(peer_net, ifname, name_assign_type,
- &vxcan_link_ops, tbp);
+ &vxcan_link_ops, tbp, extack);
if (IS_ERR(peer)) {
put_net(peer_net);
return PTR_ERR(peer);
@@ -294,7 +289,7 @@
static struct rtnl_link_ops vxcan_link_ops = {
.kind = DRV_NAME,
- .priv_size = sizeof(struct vxcan_priv),
+ .priv_size = ALIGN(sizeof(struct vxcan_priv), NETDEV_ALIGN) + sizeof(struct can_ml_priv),
.setup = vxcan_setup,
.newlink = vxcan_newlink,
.dellink = vxcan_dellink,
--
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