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yaml
---
r: 205663
b: refs/heads/master
c: 96d592e
h: refs/heads/master
i:
  205661: f1cc9de
  205659: 03ceb84
  205655: 01a71d9
  205647: 3429ac9
  205631: ac8b4be
v: v3
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Linus Lüssing authored and Greg Kroah-Hartman committed Jun 18, 2010
1 parent 7b2ae9b commit fe9c473
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Showing 3 changed files with 21 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 186305aa1284ac0cae88e18b837c33d5a4a84afc
refs/heads/master: 96d592ed599434d2d5f339a1d282871bc6377d2c
14 changes: 13 additions & 1 deletion trunk/drivers/staging/batman-adv/hard-interface.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
#include "hash.h"

#include <linux/if_arp.h>
#include <linux/netfilter_bridge.h>

#define MIN(x, y) ((x) < (y) ? (x) : (y))

Expand Down Expand Up @@ -432,6 +433,11 @@ static int hard_if_event(struct notifier_block *this,
return NOTIFY_DONE;
}

static int batman_skb_recv_finish(struct sk_buff *skb)
{
return NF_ACCEPT;
}

/* receive a packet with the batman ethertype coming on a hard
* interface */
int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
Expand All @@ -451,6 +457,13 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
if (atomic_read(&module_state) != MODULE_ACTIVE)
goto err_free;

/* if netfilter/ebtables wants to block incoming batman
* packets then give them a chance to do so here */
ret = NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, dev, NULL,
batman_skb_recv_finish);
if (ret != 1)
goto err_out;

/* packet should hold at least type and version */
if (unlikely(skb_headlen(skb) < 2))
goto err_free;
Expand Down Expand Up @@ -530,7 +543,6 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
return NET_RX_DROP;
}


struct notifier_block hard_if_notifier = {
.notifier_call = hard_if_event,
};
9 changes: 7 additions & 2 deletions trunk/drivers/staging/batman-adv/send.c
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,8 @@
#include "vis.h"
#include "aggregation.h"

#include <linux/netfilter_bridge.h>

/* apply hop penalty for a normal link */
static uint8_t hop_penalty(const uint8_t tq)
{
Expand Down Expand Up @@ -90,9 +92,12 @@ int send_skb_packet(struct sk_buff *skb,

/* dev_queue_xmit() returns a negative result on error. However on
* congestion and traffic shaping, it drops and returns NET_XMIT_DROP
* (which is > 0). This will not be treated as an error. */
* (which is > 0). This will not be treated as an error.
* Also, if netfilter/ebtables wants to block outgoing batman
* packets then giving them a chance to do so here */

return dev_queue_xmit(skb);
return NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
dev_queue_xmit);
send_skb_err:
kfree_skb(skb);
return NET_XMIT_DROP;
Expand Down

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