From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/net/l2tp/l2tp_eth.c | 42 +++++++++++-------------------------------
1 files changed, 11 insertions(+), 31 deletions(-)
diff --git a/kernel/net/l2tp/l2tp_eth.c b/kernel/net/l2tp/l2tp_eth.c
index 8aadc4f..6cd97c7 100644
--- a/kernel/net/l2tp/l2tp_eth.c
+++ b/kernel/net/l2tp/l2tp_eth.c
@@ -1,12 +1,7 @@
-/*
- * L2TPv3 ethernet pseudowire driver
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* L2TPv3 ethernet pseudowire driver
*
* Copyright (c) 2008,2009,2010 Katalix Systems Ltd
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -55,7 +50,6 @@
struct net_device __rcu *dev;
};
-
static int l2tp_eth_dev_init(struct net_device *dev)
{
eth_hw_addr_random(dev);
@@ -77,12 +71,12 @@
*/
}
-static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct l2tp_eth *priv = netdev_priv(dev);
struct l2tp_session *session = priv->session;
unsigned int len = skb->len;
- int ret = l2tp_xmit_skb(session, skb, session->hdr_len);
+ int ret = l2tp_xmit_skb(session, skb);
if (likely(ret == NET_XMIT_SUCCESS)) {
atomic_long_add(len, &priv->tx_bytes);
@@ -98,13 +92,12 @@
{
struct l2tp_eth *priv = netdev_priv(dev);
- stats->tx_bytes = (unsigned long) atomic_long_read(&priv->tx_bytes);
- stats->tx_packets = (unsigned long) atomic_long_read(&priv->tx_packets);
- stats->tx_dropped = (unsigned long) atomic_long_read(&priv->tx_dropped);
- stats->rx_bytes = (unsigned long) atomic_long_read(&priv->rx_bytes);
- stats->rx_packets = (unsigned long) atomic_long_read(&priv->rx_packets);
- stats->rx_errors = (unsigned long) atomic_long_read(&priv->rx_errors);
-
+ stats->tx_bytes = (unsigned long)atomic_long_read(&priv->tx_bytes);
+ stats->tx_packets = (unsigned long)atomic_long_read(&priv->tx_packets);
+ stats->tx_dropped = (unsigned long)atomic_long_read(&priv->tx_dropped);
+ stats->rx_bytes = (unsigned long)atomic_long_read(&priv->rx_bytes);
+ stats->rx_packets = (unsigned long)atomic_long_read(&priv->rx_packets);
+ stats->rx_errors = (unsigned long)atomic_long_read(&priv->rx_errors);
}
static const struct net_device_ops l2tp_eth_netdev_ops = {
@@ -135,17 +128,6 @@
struct net_device *dev;
struct l2tp_eth *priv;
- if (session->debug & L2TP_MSG_DATA) {
- unsigned int length;
-
- length = min(32u, skb->len);
- if (!pskb_may_pull(skb, length))
- goto error;
-
- pr_debug("%s: eth recv\n", session->name);
- print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, skb->data, length);
- }
-
if (!pskb_may_pull(skb, ETH_HLEN))
goto error;
@@ -155,7 +137,7 @@
skb->ip_summed = CHECKSUM_NONE;
skb_dst_drop(skb);
- nf_reset(skb);
+ nf_reset_ct(skb);
rcu_read_lock();
dev = rcu_dereference(spriv->dev);
@@ -352,12 +334,10 @@
return rc;
}
-
static const struct l2tp_nl_cmd_ops l2tp_eth_nl_cmd_ops = {
.session_create = l2tp_eth_create,
.session_delete = l2tp_session_delete,
};
-
static int __init l2tp_eth_init(void)
{
--
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