/*
   Copyright (c) 2010,2011 Code Aurora Forum.  All rights reserved.
   Copyright (c) 2011,2012 Intel Corp.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 and
   only version 2 as published by the Free Software Foundation.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
*/

#ifndef __A2MP_H
#define __A2MP_H

#include <net/bluetooth/l2cap.h>

enum amp_mgr_state {
	READ_LOC_AMP_INFO,
	READ_LOC_AMP_ASSOC,
	READ_LOC_AMP_ASSOC_FINAL,
	WRITE_REMOTE_AMP_ASSOC,
};

struct amp_mgr {
	struct list_head	list;
	struct l2cap_conn	*l2cap_conn;
	struct l2cap_chan	*a2mp_chan;
	struct l2cap_chan	*bredr_chan;
	struct kref		kref;
	__u8			ident;
	__u8			handle;
	unsigned long		state;
	unsigned long		flags;

	struct list_head	amp_ctrls;
	struct mutex		amp_ctrls_lock;
};

struct a2mp_cmd {
	__u8	code;
	__u8	ident;
	__le16	len;
	__u8	data[0];
} __packed;

/* A2MP command codes */
#define A2MP_COMMAND_REJ         0x01
struct a2mp_cmd_rej {
	__le16	reason;
	__u8	data[0];
} __packed;

#define A2MP_DISCOVER_REQ        0x02
struct a2mp_discov_req {
	__le16	mtu;
	__le16	ext_feat;
} __packed;

struct a2mp_cl {
	__u8	id;
	__u8	type;
	__u8	status;
} __packed;

#define A2MP_DISCOVER_RSP        0x03
struct a2mp_discov_rsp {
	__le16     mtu;
	__le16     ext_feat;
	struct a2mp_cl cl[0];
} __packed;

#define A2MP_CHANGE_NOTIFY       0x04
#define A2MP_CHANGE_RSP          0x05

#define A2MP_GETINFO_REQ         0x06
struct a2mp_info_req {
	__u8       id;
} __packed;

#define A2MP_GETINFO_RSP         0x07
struct a2mp_info_rsp {
	__u8	id;
	__u8	status;
	__le32	total_bw;
	__le32	max_bw;
	__le32	min_latency;
	__le16	pal_cap;
	__le16	assoc_size;
} __packed;

#define A2MP_GETAMPASSOC_REQ     0x08
struct a2mp_amp_assoc_req {
	__u8	id;
} __packed;

#define A2MP_GETAMPASSOC_RSP     0x09
struct a2mp_amp_assoc_rsp {
	__u8	id;
	__u8	status;
	__u8	amp_assoc[0];
} __packed;

#define A2MP_CREATEPHYSLINK_REQ  0x0A
#define A2MP_DISCONNPHYSLINK_REQ 0x0C
struct a2mp_physlink_req {
	__u8	local_id;
	__u8	remote_id;
	__u8	amp_assoc[0];
} __packed;

#define A2MP_CREATEPHYSLINK_RSP  0x0B
#define A2MP_DISCONNPHYSLINK_RSP 0x0D
struct a2mp_physlink_rsp {
	__u8	local_id;
	__u8	remote_id;
	__u8	status;
} __packed;

/* A2MP response status */
#define A2MP_STATUS_SUCCESS			0x00
#define A2MP_STATUS_INVALID_CTRL_ID		0x01
#define A2MP_STATUS_UNABLE_START_LINK_CREATION	0x02
#define A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS	0x02
#define A2MP_STATUS_COLLISION_OCCURED		0x03
#define A2MP_STATUS_DISCONN_REQ_RECVD		0x04
#define A2MP_STATUS_PHYS_LINK_EXISTS		0x05
#define A2MP_STATUS_SECURITY_VIOLATION		0x06

struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr);

#if IS_ENABLED(CONFIG_BT_HS)
int amp_mgr_put(struct amp_mgr *mgr);
struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
				       struct sk_buff *skb);
void a2mp_discover_amp(struct l2cap_chan *chan);
#else
static inline int amp_mgr_put(struct amp_mgr *mgr)
{
	return 0;
}

static inline struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
						     struct sk_buff *skb)
{
	return NULL;
}

static inline void a2mp_discover_amp(struct l2cap_chan *chan)
{
}
#endif

void a2mp_send_getinfo_rsp(struct hci_dev *hdev);
void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status);
void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status);
void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status);

#endif /* __A2MP_H */
nclude?h=nds-private-remove&amp;id=7c92d61eca453d5007669e4322dd8e469d443d04'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next</a></td><td>David S. Miller</td><td>4</td><td><span class='deletions'>-8</span>/<span class='insertions'>+53</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

The following patchset contains Netfilter updates for your net-next
tree, most relevantly they are:

1) Extend nft_exthdr to allow to match TCP options bitfields, from
   Manuel Messner.

2) Allow to check if IPv6 extension header is present in nf_tables,
   from Phil Sutter.

3) Allow to set and match conntrack zone in nf_tables, patches from
   Florian Westphal.

4) Several patches for the nf_tables set infrastructure, this includes
   cleanup and preparatory patches to add the new bitmap set type.

5) Add optional ruleset generation ID check to nf_tables and allow to
   delete rules that got no public handle yet via NFTA_RULE_ID. These
   patches add the missing kernel infrastructure to support rule
   deletion by description from userspace.

6) Missing NFT_SET_OBJECT flag to select the right backend when sets
   stores an object map.

7) A couple of cleanups for the expectation and SIP helper, from Gao
   feng.
====================

Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-12 14:45:13 +0100'>2017-02-12</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=1a94e38d254b3622d5d53f74b3b716b0fcab0ba8'>netfilter: nf_tables: add NFTA_RULE_ID attribute</a></td><td>Pablo Neira Ayuso</td><td>2</td><td><span class='deletions'>-0</span>/<span class='insertions'>+5</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
This new attribute allows us to uniquely identify a rule in transaction.
Robots may trigger an insertion followed by deletion in a batch, in that
scenario we still don't have a public rule handle that we can use to
delete the rule. This is similar to the NFTA_SET_ID attribute that
allows us to refer to an anonymous set from a batch.

Signed-off-by: Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-12 14:45:11 +0100'>2017-02-12</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=8c4d4e8b5626fec965fd5034e5bd5e57790f243f'>netfilter: nfnetlink: allow to check for generation ID</a></td><td>Pablo Neira Ayuso</td><td>2</td><td><span class='deletions'>-0</span>/<span class='insertions'>+13</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
This patch allows userspace to specify the generation ID that has been
used to build an incremental batch update.

If userspace specifies the generation ID in the batch message as
attribute, then nfnetlink compares it to the current generation ID so
you make sure that you work against the right baseline. Otherwise, bail
out with ERESTART so userspace knows that its changeset is stale and
needs to respin. Userspace can do this transparently at the cost of
taking slightly more time to refresh caches and rework the changeset.

This check is optional, if there is no NFNL_BATCH_GENID attribute in the
batch begin message, then no check is performed.

Signed-off-by: Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 21:25:18 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=c16ec18599c8c1722d476011786fd9e2529888f7'>net: rename dst_neigh_output back to neigh_output</a></td><td>Julian Anastasov</td><td>2</td><td><span class='deletions'>-12</span>/<span class='insertions'>+10</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
After the dst-&gt;pending_confirm flag was removed, we do not
need anymore to provide dst arg to dst_neigh_output.
So, rename it to neigh_output as before commit 5110effee8fd
("net: Do delayed neigh confirmation.").

Signed-off-by: Julian Anastasov &lt;ja@ssi.bg&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=9a393b5d5988ea4eaa3e0da138321abe0dc03a68'>tap: tap as an independent module</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
This patch makes tap a separate module for other types of virtual interfaces, for example,
ipvlan to use.

Signed-off-by: Sainath Grandhi &lt;sainath.grandhi@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=d9f1f61c0801a73ff36d416a7ede54229b231e1d'>tap: Extending tap device create/destroy APIs</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Extending tap APIs get/free_minor and create/destroy_cdev to handle more than one
type of virtual interface.

Signed-off-by: Sainath Grandhi &lt;sainath.grandhi@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=6fe3faf86757eb7f078ff06b23b206f17dc4fb36'>tap: Abstract type of virtual interface from tap implementation</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+53</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
macvlan object is re-structured to hold tap related elements in a separate
entity, tap_dev. Upon NETDEV_REGISTER device_event, tap_dev is registered with
idr and fetched again on tap_open. Few of the tap functions are modified to
accepted tap_dev as argument. tap_dev object includes callbacks to be used by
underlying virtual interface to take care of tx and rx accounting.

Signed-off-by: Sainath Grandhi &lt;sainath.grandhi@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=ebc05ba7e8600b52a2a0c87a43105143368aca2a'>tap: Tap character device creation/destroy API</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+3</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
This patch provides tap device create/destroy APIs in tap.c.

Signed-off-by: Sainath Grandhi &lt;sainath.grandhi@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=635b8c8ecdd27142d7fdab0df334b2e9201481cf'>tap: Renaming tap related APIs, data structures, macros</a></td><td>Sainath Grandhi</td><td>3</td><td><span class='deletions'>-25</span>/<span class='insertions'>+25</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Renaming tap related APIs, data structures and macros in tap.c from macvtap_.* to tap_.*

Signed-off-by: Sainath Grandhi &lt;sainath.grandhi@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=a8e04698732736f59fefe72c675791a006b76e1d'>tap: Refactoring macvtap.c</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+10</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
macvtap module has code for tap/queue management and link management. This patch splits
the code into macvtap_main.c for link management and tap.c for tap/queue management.
Functionality in tap.c can be re-used for implementing tap on other virtual interfaces.

Signed-off-by: Sainath Grandhi &lt;sainath.grandhi@intel.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-11 02:31:11 -0500'>2017-02-11</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>David S. Miller