Contributors: 12
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Linus Torvalds (pre-git) |
255 |
80.95% |
21 |
56.76% |
| Arnaldo Carvalho de Melo |
21 |
6.67% |
2 |
5.41% |
| Chas Williams |
13 |
4.13% |
5 |
13.51% |
| Joe Perches |
8 |
2.54% |
1 |
2.70% |
| David Woodhouse |
4 |
1.27% |
1 |
2.70% |
| Randy Dunlap |
3 |
0.95% |
1 |
2.70% |
| Stephen Hemminger |
3 |
0.95% |
1 |
2.70% |
| Kuniyuki Iwashima |
3 |
0.95% |
1 |
2.70% |
| Elena Reshetova |
2 |
0.63% |
1 |
2.70% |
| Eric Dumazet |
1 |
0.32% |
1 |
2.70% |
| Greg Kroah-Hartman |
1 |
0.32% |
1 |
2.70% |
| Linus Torvalds |
1 |
0.32% |
1 |
2.70% |
| Total |
315 |
|
37 |
|
// SPDX-License-Identifier: GPL-2.0
/* net/atm/raw.c - Raw AAL0 and AAL5 transports */
/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
#define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
#include <linux/module.h>
#include <linux/atmdev.h>
#include <linux/capability.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include "common.h"
#include "protocols.h"
/*
* SKB == NULL indicates that the link is being closed
*/
static void atm_push_raw(struct atm_vcc *vcc, struct sk_buff *skb)
{
if (skb) {
struct sock *sk = sk_atm(vcc);
skb_queue_tail(&sk->sk_receive_queue, skb);
sk->sk_data_ready(sk);
}
}
static void atm_pop_raw(struct atm_vcc *vcc, struct sk_buff *skb)
{
struct sock *sk = sk_atm(vcc);
pr_debug("(%d) %d -= %d\n",
vcc->vci, sk_wmem_alloc_get(sk), ATM_SKB(skb)->acct_truesize);
atm_return_tx(vcc, skb);
dev_kfree_skb_any(skb);
sk->sk_write_space(sk);
}
static int atm_send_aal0(struct atm_vcc *vcc, struct sk_buff *skb)
{
/*
* Note that if vpi/vci are _ANY or _UNSPEC the below will
* still work
*/
if (!capable(CAP_NET_ADMIN) &&
(((u32 *)skb->data)[0] & (ATM_HDR_VPI_MASK | ATM_HDR_VCI_MASK)) !=
((vcc->vpi << ATM_HDR_VPI_SHIFT) |
(vcc->vci << ATM_HDR_VCI_SHIFT))) {
kfree_skb(skb);
return -EADDRNOTAVAIL;
}
return vcc->dev->ops->send(vcc, skb);
}
int atm_init_aal0(struct atm_vcc *vcc)
{
vcc->push = atm_push_raw;
vcc->pop = atm_pop_raw;
vcc->send = atm_send_aal0;
return 0;
}
int atm_init_aal5(struct atm_vcc *vcc)
{
vcc->push = atm_push_raw;
vcc->pop = atm_pop_raw;
vcc->send = vcc->dev->ops->send;
return 0;
}
EXPORT_SYMBOL(atm_init_aal5);