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This feature/cleanup patchset includes the following patches:

Browse Source 
- bump version strings, by Simon Wunderlich
 
  - Add DHCPACKs for DAT snooping, by Linus Luessing
 
  - Update copyright years for 2019, by Sven Eckelmann
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Merge tag 'batadv-next-for-davem-20190201' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This feature/cleanup patchset includes the following patches:

 - bump version strings, by Simon Wunderlich

 - Add DHCPACKs for DAT snooping, by Linus Luessing

 - Update copyright years for 2019, by Sven Eckelmann
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-02-01 11:04:13 -08:00
commit d3a5fd3c98
63 changed files with 495 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/uapi/linux/batadv_packet.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
include/uapi/linux/batman_adv.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: MIT */
/* Copyright (C) 2016-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2016-2019 B.A.T.M.A.N. contributors:
*
* Matthias Schiffer
*

2
net/batman-adv/Kconfig
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@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
# Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
#
# Marek Lindner, Simon Wunderlich
#

2
net/batman-adv/Makefile
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@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
# Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
#
# Marek Lindner, Simon Wunderlich
#

2
net/batman-adv/bat_algo.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/bat_algo.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Linus Lüssing
*

2
net/batman-adv/bat_iv_ogm.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/bat_iv_ogm.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/bat_v.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Linus Lüssing, Marek Lindner
*

2
net/batman-adv/bat_v.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Linus Lüssing
*

2
net/batman-adv/bat_v_elp.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Linus Lüssing, Marek Lindner
*

2
net/batman-adv/bat_v_elp.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Linus Lüssing, Marek Lindner
*

2
net/batman-adv/bat_v_ogm.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Antonio Quartulli
*

2
net/batman-adv/bat_v_ogm.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Antonio Quartulli
*

2
net/batman-adv/bitarray.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2006-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2006-2019 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich, Marek Lindner
*

2
net/batman-adv/bitarray.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2006-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2006-2019 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich, Marek Lindner
*

2
net/batman-adv/bridge_loop_avoidance.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich
*

2
net/batman-adv/bridge_loop_avoidance.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich
*

2
net/batman-adv/debugfs.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/debugfs.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

401
net/batman-adv/distributed-arp-table.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Antonio Quartulli
*
@ -19,6 +19,7 @@
#include "distributed-arp-table.h"
#include "main.h"
#include <asm/unaligned.h>
#include <linux/atomic.h>
#include <linux/bitops.h>
#include <linux/byteorder/generic.h>
@ -29,6 +30,7 @@
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/kref.h>
@ -42,6 +44,7 @@
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/udp.h>
#include <linux/workqueue.h>
#include <net/arp.h>
#include <net/genetlink.h>
@ -60,6 +63,49 @@
#include "translation-table.h"
#include "tvlv.h"
enum batadv_bootpop {
BATADV_BOOTREPLY = 2,
};
enum batadv_boothtype {
BATADV_HTYPE_ETHERNET = 1,
};
enum batadv_dhcpoptioncode {
BATADV_DHCP_OPT_PAD = 0,
BATADV_DHCP_OPT_MSG_TYPE = 53,
BATADV_DHCP_OPT_END = 255,
};
enum batadv_dhcptype {
BATADV_DHCPACK = 5,
};
/* { 99, 130, 83, 99 } */
#define BATADV_DHCP_MAGIC 1669485411
struct batadv_dhcp_packet {
__u8 op;
__u8 htype;
__u8 hlen;
__u8 hops;
__be32 xid;
__be16 secs;
__be16 flags;
__be32 ciaddr;
__be32 yiaddr;
__be32 siaddr;
__be32 giaddr;
__u8 chaddr[16];
__u8 sname[64];
__u8 file[128];
__be32 magic;
__u8 options[0];
};
#define BATADV_DHCP_YIADDR_LEN sizeof(((struct batadv_dhcp_packet *)0)->yiaddr)
#define BATADV_DHCP_CHADDR_LEN sizeof(((struct batadv_dhcp_packet *)0)->chaddr)
static void batadv_dat_purge(struct work_struct *work);
/**
@ -1439,6 +1485,359 @@ out:
return dropped;
}
/**
* batadv_dat_check_dhcp_ipudp() - check skb for IP+UDP headers valid for DHCP
* @skb: the packet to check
* @ip_src: a buffer to store the IPv4 source address in
*
* Checks whether the given skb has an IP and UDP header valid for a DHCP
* message from a DHCP server. And if so, stores the IPv4 source address in
* the provided buffer.
*
* Return: True if valid, false otherwise.
*/
static bool
batadv_dat_check_dhcp_ipudp(struct sk_buff *skb, __be32 *ip_src)
{
unsigned int offset = skb_network_offset(skb);
struct udphdr *udphdr, _udphdr;
struct iphdr *iphdr, _iphdr;
iphdr = skb_header_pointer(skb, offset, sizeof(_iphdr), &_iphdr);
if (!iphdr || iphdr->version != 4 || iphdr->ihl * 4 < sizeof(_iphdr))
return false;
if (iphdr->protocol != IPPROTO_UDP)
return false;
offset += iphdr->ihl * 4;
skb_set_transport_header(skb, offset);
udphdr = skb_header_pointer(skb, offset, sizeof(_udphdr), &_udphdr);
if (!udphdr || udphdr->source != htons(67))
return false;
*ip_src = get_unaligned(&iphdr->saddr);
return true;
}
/**
* batadv_dat_check_dhcp() - examine packet for valid DHCP message
* @skb: the packet to check
* @proto: ethernet protocol hint (behind a potential vlan)
* @ip_src: a buffer to store the IPv4 source address in
*
* Checks whether the given skb is a valid DHCP packet. And if so, stores the
* IPv4 source address in the provided buffer.
*
* Caller needs to ensure that the skb network header is set correctly.
*
* Return: If skb is a valid DHCP packet, then returns its op code
* (e.g. BOOTREPLY vs. BOOTREQUEST). Otherwise returns -EINVAL.
*/
static int
batadv_dat_check_dhcp(struct sk_buff *skb, __be16 proto, __be32 *ip_src)
{
__be32 *magic, _magic;
unsigned int offset;
struct {
__u8 op;
__u8 htype;
__u8 hlen;
__u8 hops;
} *dhcp_h, _dhcp_h;
if (proto != htons(ETH_P_IP))
return -EINVAL;
if (!batadv_dat_check_dhcp_ipudp(skb, ip_src))
return -EINVAL;
offset = skb_transport_offset(skb) + sizeof(struct udphdr);
if (skb->len < offset + sizeof(struct batadv_dhcp_packet))
return -EINVAL;
dhcp_h = skb_header_pointer(skb, offset, sizeof(_dhcp_h), &_dhcp_h);
if (!dhcp_h || dhcp_h->htype != BATADV_HTYPE_ETHERNET ||
dhcp_h->hlen != ETH_ALEN)
return -EINVAL;
offset += offsetof(struct batadv_dhcp_packet, magic);
magic = skb_header_pointer(skb, offset, sizeof(_magic), &_magic);
if (!magic || get_unaligned(magic) != htonl(BATADV_DHCP_MAGIC))
return -EINVAL;
return dhcp_h->op;
}
/**
* batadv_dat_get_dhcp_message_type() - get message type of a DHCP packet
* @skb: the DHCP packet to parse
*
* Iterates over the DHCP options of the given DHCP packet to find a
* DHCP Message Type option and parse it.
*
* Caller needs to ensure that the given skb is a valid DHCP packet and
* that the skb transport header is set correctly.
*
* Return: The found DHCP message type value, if found. -EINVAL otherwise.
*/
static int batadv_dat_get_dhcp_message_type(struct sk_buff *skb)
{
unsigned int offset = skb_transport_offset(skb) + sizeof(struct udphdr);
u8 *type, _type;
struct {
u8 type;
u8 len;
} *tl, _tl;
offset += sizeof(struct batadv_dhcp_packet);
while ((tl = skb_header_pointer(skb, offset, sizeof(_tl), &_tl))) {
if (tl->type == BATADV_DHCP_OPT_MSG_TYPE)
break;
if (tl->type == BATADV_DHCP_OPT_END)
break;
if (tl->type == BATADV_DHCP_OPT_PAD)
offset++;
else
offset += tl->len + sizeof(_tl);
}
/* Option Overload Code not supported */
if (!tl || tl->type != BATADV_DHCP_OPT_MSG_TYPE ||
tl->len != sizeof(_type))
return -EINVAL;
offset += sizeof(_tl);
type = skb_header_pointer(skb, offset, sizeof(_type), &_type);
if (!type)
return -EINVAL;
return *type;
}
/**
* batadv_dat_get_dhcp_yiaddr() - get yiaddr from a DHCP packet
* @skb: the DHCP packet to parse
* @buf: a buffer to store the yiaddr in
*
* Caller needs to ensure that the given skb is a valid DHCP packet and
* that the skb transport header is set correctly.
*
* Return: True on success, false otherwise.
*/
static bool batadv_dat_dhcp_get_yiaddr(struct sk_buff *skb, __be32 *buf)
{
unsigned int offset = skb_transport_offset(skb) + sizeof(struct udphdr);
__be32 *yiaddr;
offset += offsetof(struct batadv_dhcp_packet, yiaddr);
yiaddr = skb_header_pointer(skb, offset, BATADV_DHCP_YIADDR_LEN, buf);
if (!yiaddr)
return false;
if (yiaddr != buf)
*buf = get_unaligned(yiaddr);
return true;
}
/**
* batadv_dat_get_dhcp_chaddr() - get chaddr from a DHCP packet
* @skb: the DHCP packet to parse
* @buf: a buffer to store the chaddr in
*
* Caller needs to ensure that the given skb is a valid DHCP packet and
* that the skb transport header is set correctly.
*
* Return: True on success, false otherwise
*/
static bool batadv_dat_get_dhcp_chaddr(struct sk_buff *skb, u8 *buf)
{
unsigned int offset = skb_transport_offset(skb) + sizeof(struct udphdr);
u8 *chaddr;
offset += offsetof(struct batadv_dhcp_packet, chaddr);
chaddr = skb_header_pointer(skb, offset, BATADV_DHCP_CHADDR_LEN, buf);
if (!chaddr)
return false;
if (chaddr != buf)
memcpy(buf, chaddr, BATADV_DHCP_CHADDR_LEN);
return true;
}
/**
* batadv_dat_put_dhcp() - puts addresses from a DHCP packet into the DHT and
* DAT cache
* @bat_priv: the bat priv with all the soft interface information
* @chaddr: the DHCP client MAC address
* @yiaddr: the DHCP client IP address
* @hw_dst: the DHCP server MAC address
* @ip_dst: the DHCP server IP address
* @vid: VLAN identifier
*
* Adds given MAC/IP pairs to the local DAT cache and propagates them further
* into the DHT.
*
* For the DHT propagation, client MAC + IP will appear as the ARP Reply
* transmitter (and hw_dst/ip_dst as the target).
*/
static void batadv_dat_put_dhcp(struct batadv_priv *bat_priv, u8 *chaddr,
__be32 yiaddr, u8 *hw_dst, __be32 ip_dst,
unsigned short vid)
{
struct sk_buff *skb;
skb = batadv_dat_arp_create_reply(bat_priv, yiaddr, ip_dst, chaddr,
hw_dst, vid);
if (!skb)
return;
skb_set_network_header(skb, ETH_HLEN);
batadv_dat_entry_add(bat_priv, yiaddr, chaddr, vid);
batadv_dat_entry_add(bat_priv, ip_dst, hw_dst, vid);
batadv_dat_send_data(bat_priv, skb, yiaddr, vid, BATADV_P_DAT_DHT_PUT);
batadv_dat_send_data(bat_priv, skb, ip_dst, vid, BATADV_P_DAT_DHT_PUT);
batadv_dbg(BATADV_DBG_DAT, bat_priv,
"Snooped from outgoing DHCPACK (server address): %pI4, %pM (vid: %i)\n",
&ip_dst, hw_dst, batadv_print_vid(vid));
batadv_dbg(BATADV_DBG_DAT, bat_priv,
"Snooped from outgoing DHCPACK (client address): %pI4, %pM (vid: %i)\n",
&yiaddr, chaddr, batadv_print_vid(vid));
}
/**
* batadv_dat_check_dhcp_ack() - examine packet for valid DHCP message
* @skb: the packet to check
* @proto: ethernet protocol hint (behind a potential vlan)
* @ip_src: a buffer to store the IPv4 source address in
* @chaddr: a buffer to store the DHCP Client Hardware Address in
* @yiaddr: a buffer to store the DHCP Your IP Address in
*
* Checks whether the given skb is a valid DHCPACK. And if so, stores the
* IPv4 server source address (ip_src), client MAC address (chaddr) and client
* IPv4 address (yiaddr) in the provided buffers.
*
* Caller needs to ensure that the skb network header is set correctly.
*
* Return: True if the skb is a valid DHCPACK. False otherwise.
*/
static bool
batadv_dat_check_dhcp_ack(struct sk_buff *skb, __be16 proto, __be32 *ip_src,
u8 *chaddr, __be32 *yiaddr)
{
int type;
type = batadv_dat_check_dhcp(skb, proto, ip_src);
if (type != BATADV_BOOTREPLY)
return false;
type = batadv_dat_get_dhcp_message_type(skb);
if (type != BATADV_DHCPACK)
return false;
if (!batadv_dat_dhcp_get_yiaddr(skb, yiaddr))
return false;
if (!batadv_dat_get_dhcp_chaddr(skb, chaddr))
return false;
return true;
}
/**
* batadv_dat_snoop_outgoing_dhcp_ack() - snoop DHCPACK and fill DAT with it
* @bat_priv: the bat priv with all the soft interface information
* @skb: the packet to snoop
* @proto: ethernet protocol hint (behind a potential vlan)
* @vid: VLAN identifier
*
* This function first checks whether the given skb is a valid DHCPACK. If
* so then its source MAC and IP as well as its DHCP Client Hardware Address
* field and DHCP Your IP Address field are added to the local DAT cache and
* propagated into the DHT.
*
* Caller needs to ensure that the skb mac and network headers are set
* correctly.
*/
void batadv_dat_snoop_outgoing_dhcp_ack(struct batadv_priv *bat_priv,
struct sk_buff *skb,
__be16 proto,
unsigned short vid)
{
u8 chaddr[BATADV_DHCP_CHADDR_LEN];
__be32 ip_src, yiaddr;
if (!atomic_read(&bat_priv->distributed_arp_table))
return;
if (!batadv_dat_check_dhcp_ack(skb, proto, &ip_src, chaddr, &yiaddr))
return;
batadv_dat_put_dhcp(bat_priv, chaddr, yiaddr, eth_hdr(skb)->h_source,
ip_src, vid);
}
/**
* batadv_dat_snoop_incoming_dhcp_ack() - snoop DHCPACK and fill DAT cache
* @bat_priv: the bat priv with all the soft interface information
* @skb: the packet to snoop
* @hdr_size: header size, up to the tail of the batman-adv header
*
* This function first checks whether the given skb is a valid DHCPACK. If
* so then its source MAC and IP as well as its DHCP Client Hardware Address
* field and DHCP Your IP Address field are added to the local DAT cache.
*/
void batadv_dat_snoop_incoming_dhcp_ack(struct batadv_priv *bat_priv,
struct sk_buff *skb, int hdr_size)
{
u8 chaddr[BATADV_DHCP_CHADDR_LEN];
struct ethhdr *ethhdr;
__be32 ip_src, yiaddr;
unsigned short vid;
__be16 proto;
u8 *hw_src;
if (!atomic_read(&bat_priv->distributed_arp_table))
return;
if (unlikely(!pskb_may_pull(skb, hdr_size + ETH_HLEN)))
return;
ethhdr = (struct ethhdr *)(skb->data + hdr_size);
skb_set_network_header(skb, hdr_size + ETH_HLEN);
proto = ethhdr->h_proto;
if (!batadv_dat_check_dhcp_ack(skb, proto, &ip_src, chaddr, &yiaddr))
return;
hw_src = ethhdr->h_source;
vid = batadv_dat_get_vid(skb, &hdr_size);
batadv_dat_entry_add(bat_priv, yiaddr, chaddr, vid);
batadv_dat_entry_add(bat_priv, ip_src, hw_src, vid);
batadv_dbg(BATADV_DBG_DAT, bat_priv,
"Snooped from incoming DHCPACK (server address): %pI4, %pM (vid: %i)\n",
&ip_src, hw_src, batadv_print_vid(vid));
batadv_dbg(BATADV_DBG_DAT, bat_priv,
"Snooped from incoming DHCPACK (client address): %pI4, %pM (vid: %i)\n",
&yiaddr, chaddr, batadv_print_vid(vid));
}
/**
* batadv_dat_drop_broadcast_packet() - check if an ARP request has to be
* dropped (because the node has already obtained the reply via DAT) or not

21
net/batman-adv/distributed-arp-table.h
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@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2011-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
*
* Antonio Quartulli
*
@ -46,6 +46,12 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv,
struct sk_buff *skb);
bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
struct sk_buff *skb, int hdr_size);
void batadv_dat_snoop_outgoing_dhcp_ack(struct batadv_priv *bat_priv,
struct sk_buff *skb,
__be16 proto,
unsigned short vid);
void batadv_dat_snoop_incoming_dhcp_ack(struct batadv_priv *bat_priv,
struct sk_buff *skb, int hdr_size);
bool batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
struct batadv_forw_packet *forw_packet);
@ -140,6 +146,19 @@ batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
return false;
}
static inline void
batadv_dat_snoop_outgoing_dhcp_ack(struct batadv_priv *bat_priv,
struct sk_buff *skb, __be16 proto,
unsigned short vid)
{
}
static inline void
batadv_dat_snoop_incoming_dhcp_ack(struct batadv_priv *bat_priv,
struct sk_buff *skb, int hdr_size)
{
}
static inline bool
batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
struct batadv_forw_packet *forw_packet)

2
net/batman-adv/fragmentation.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Martin Hundebøll <martin@hundeboll.net>
*

2
net/batman-adv/fragmentation.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2013-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
*
* Martin Hundebøll <martin@hundeboll.net>
*

2
net/batman-adv/gateway_client.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2009-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/gateway_client.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2009-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/gateway_common.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2009-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/gateway_common.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2009-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/hard-interface.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/hard-interface.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/hash.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2006-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2006-2019 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich, Marek Lindner
*

2
net/batman-adv/hash.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2006-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2006-2019 B.A.T.M.A.N. contributors:
*
* Simon Wunderlich, Marek Lindner
*

2
net/batman-adv/icmp_socket.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/icmp_socket.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/log.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/log.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/main.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

4
net/batman-adv/main.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@ -25,7 +25,7 @@
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
#define BATADV_SOURCE_VERSION "2019.0"
#define BATADV_SOURCE_VERSION "2019.1"
#endif
/* B.A.T.M.A.N. parameters */

2
net/batman-adv/multicast.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2014-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2014-2019 B.A.T.M.A.N. contributors:
*
* Linus Lüssing
*

2
net/batman-adv/multicast.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2014-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2014-2019 B.A.T.M.A.N. contributors:
*
* Linus Lüssing
*

2
net/batman-adv/netlink.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2016-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2016-2019 B.A.T.M.A.N. contributors:
*
* Matthias Schiffer
*

2
net/batman-adv/netlink.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2016-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2016-2019 B.A.T.M.A.N. contributors:
*
* Matthias Schiffer
*

2
net/batman-adv/network-coding.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2012-2019 B.A.T.M.A.N. contributors:
*
* Martin Hundebøll, Jeppe Ledet-Pedersen
*

2
net/batman-adv/network-coding.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2012-2019 B.A.T.M.A.N. contributors:
*
* Martin Hundebøll, Jeppe Ledet-Pedersen
*

2
net/batman-adv/originator.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2009-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/originator.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

6
net/batman-adv/routing.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@ -1043,6 +1043,8 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
hdr_size))
goto rx_success;
batadv_dat_snoop_incoming_dhcp_ack(bat_priv, skb, hdr_size);
batadv_interface_rx(recv_if->soft_iface, skb, hdr_size,
orig_node);
@ -1278,6 +1280,8 @@ int batadv_recv_bcast_packet(struct sk_buff *skb,
if (batadv_dat_snoop_incoming_arp_reply(bat_priv, skb, hdr_size))
goto rx_success;
batadv_dat_snoop_incoming_dhcp_ack(bat_priv, skb, hdr_size);
/* broadcast for me */
batadv_interface_rx(recv_if->soft_iface, skb, hdr_size, orig_node);

2
net/batman-adv/routing.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/send.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/send.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

13
net/batman-adv/soft-interface.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@ -212,6 +212,7 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
enum batadv_forw_mode forw_mode;
struct batadv_orig_node *mcast_single_orig = NULL;
int network_offset = ETH_HLEN;
__be16 proto;
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;
@ -223,12 +224,15 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
vid = batadv_get_vid(skb, 0);
ethhdr = eth_hdr(skb);
switch (ntohs(ethhdr->h_proto)) {
proto = ethhdr->h_proto;
switch (ntohs(proto)) {
case ETH_P_8021Q:
vhdr = vlan_eth_hdr(skb);
proto = vhdr->h_vlan_encapsulated_proto;
/* drop batman-in-batman packets to prevent loops */
if (vhdr->h_vlan_encapsulated_proto != htons(ETH_P_BATMAN)) {
if (proto != htons(ETH_P_BATMAN)) {
network_offset += VLAN_HLEN;
break;
}
@ -256,6 +260,9 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
goto dropped;
}
/* Snoop address candidates from DHCPACKs for early DAT filling */
batadv_dat_snoop_outgoing_dhcp_ack(bat_priv, skb, proto, vid);
/* don't accept stp packets. STP does not help in meshes.
* better use the bridge loop avoidance ...
*

2
net/batman-adv/soft-interface.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/sysfs.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/sysfs.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner
*

2
net/batman-adv/tp_meter.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2012-2019 B.A.T.M.A.N. contributors:
*
* Edo Monticelli, Antonio Quartulli
*

2
net/batman-adv/tp_meter.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2012-2019 B.A.T.M.A.N. contributors:
*
* Edo Monticelli, Antonio Quartulli
*

2
net/batman-adv/trace.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Sven Eckelmann
*

2
net/batman-adv/trace.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
*
* Sven Eckelmann
*

2
net/batman-adv/translation-table.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich, Antonio Quartulli
*

2
net/batman-adv/translation-table.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich, Antonio Quartulli
*

2
net/batman-adv/tvlv.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/tvlv.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*

2
net/batman-adv/types.h
View File

@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*