/* 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), skb->truesize);
	atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
	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->push_oam = NULL;
	vcc->send = atm_send_aal0;
	return 0;
}

int atm_init_aal34(struct atm_vcc *vcc)
{
	vcc->push = atm_push_raw;
	vcc->pop = atm_pop_raw;
	vcc->push_oam = NULL;
	vcc->send = vcc->dev->ops->send;
	return 0;
}

int atm_init_aal5(struct atm_vcc *vcc)
{
	vcc->push = atm_push_raw;
	vcc->pop = atm_pop_raw;
	vcc->push_oam = NULL;
	vcc->send = vcc->dev->ops->send;
	return 0;
}
EXPORT_SYMBOL(atm_init_aal5);
166581c617f8943a116587a730f40b6'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/drivers/regulator/max8973-regulator.c?id=2d0cf04ce166581c617f8943a116587a730f40b6'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/drivers/regulator/max8973-regulator.c?id=2d0cf04ce166581c617f8943a116587a730f40b6'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/regulator/max8973-regulator.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=2d0cf04ce166581c617f8943a116587a730f40b6'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers?id=2d0cf04ce166581c617f8943a116587a730f40b6'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/regulator?id=2d0cf04ce166581c617f8943a116587a730f40b6'>regulator</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/regulator/max8973-regulator.c?id=2d0cf04ce166581c617f8943a116587a730f40b6'>max8973-regulator.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers/regulator/max8973-regulator.c?id=2d0cf04ce166581c617f8943a116587a730f40b6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
clude list</a></td><td>David Ahern</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2017-02-02 23:03:05 -0500'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=b9ea2a7be758f2c07a0c044645edc409a8a388fd'>net: remove useless pfmemalloc setting</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2017-02-02 21:58:02 -0500'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=ba94f3088b792b16ea576a256a6030feddc87f24'>unix: add ioctl to open a unix socket file with O_PATH</a></td><td>Andrey Vagin</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+41</span></td></tr>
<tr><td><span title='2017-02-02 16:54:00 -0500'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>David S. Miller</td><td>12</td><td><span class='deletions'>-104</span>/<span class='insertions'>+93</span></td></tr>
<tr><td><span title='2017-02-01 11:52:27 -0800'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=6d04dfc8966019b8b0977b2cb942351f13d2b178'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>Linus Torvalds</td><td>10</td><td><span class='deletions'>-103</span>/<span class='insertions'>+86</span></td></tr>
<tr><td><span title='2017-02-01 14:10:03 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=f3b20313aef93f9cfda76fec2c05625f88510f18'>net/sched: act_psample: Remove unnecessary ASSERT_RTNL</a></td><td>Yotam Gigi</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2017-02-01 14:10:03 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=cadb9c9fdbc6a624d57b5ecdfd412b5800848703'>net/sched: act_sample: Fix error path in init</a></td><td>Yotam Gigi</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-02-01 12:55:42 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=06425c308b92eaf60767bc71d359f4cbc7a561f8'>tcp: fix 0 divide in __tcp_select_window()</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-02-01 12:27:33 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=63117f09c768be05a0bf465911297dc76394f686'>ipv6: pointer math error in ip6_tnl_parse_tlv_enc_lim()</a></td><td>Dan Carpenter</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2017-02-01 12:13:52 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=1f5e29ce7989eb75652774004b962ee1eb6e56ca'>net: ipv6: add NLM_F_APPEND in notifications when applicable</a></td><td>David Ahern</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-02-01 12:02:48 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=b2504a5dbef3305ef41988ad270b0e8ec289331c'>net: reduce skb_warn_bad_offload() noise</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+9</span></td></tr>
<tr><td><span title='2017-02-01 11:57:33 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=fd62d9f5c575f0792f150109f1fd24a0d4b3f854'>net/sched: matchall: Fix configuration race</a></td><td>Yotam Gigi</td><td>1</td><td><span class='deletions'>-82</span>/<span class='insertions'>+45</span></td></tr>
<tr><td><span title='2017-02-01 11:53:23 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net?id=160ca0142431c19386db976302fd4b07c587f651'>rtnetlink: Handle IFLA_MASTER parameter when processing rtnl_newlink</a></td><td>Theuns Verwoerd</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+6</span></td></tr>