2024-02-02 13:49:26

by Luiz Augusto von Dentz

Subject: [PATCH v3] Bluetooth: Remove BT_HS

From: Luiz Augusto von Dentz <[email protected]>

High Speed, Alternate MAC and PHY (AMP) extension, has been removed from
Bluetooth Core specification on 5.3:

https://www.bluetooth.com/blog/new-core-specification-v5-3-feature-enhancements/

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
---
include/net/bluetooth/hci.h | 1 -
include/net/bluetooth/l2cap.h | 42 --
net/bluetooth/Kconfig | 8 -
net/bluetooth/Makefile | 1 -
net/bluetooth/a2mp.c | 1054 --------------------------------
net/bluetooth/a2mp.h | 154 -----
net/bluetooth/amp.c | 590 ------------------
net/bluetooth/amp.h | 60 --
net/bluetooth/hci_conn.c | 4 -
net/bluetooth/hci_event.c | 2 -
net/bluetooth/l2cap_core.c | 1069 +--------------------------------
net/bluetooth/l2cap_sock.c | 18 +-
net/bluetooth/mgmt.c | 73 +--
13 files changed, 20 insertions(+), 3056 deletions(-)
delete mode 100644 net/bluetooth/a2mp.c
delete mode 100644 net/bluetooth/a2mp.h
delete mode 100644 net/bluetooth/amp.c
delete mode 100644 net/bluetooth/amp.h

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 1cd212bb3789..aa6c69053d7c 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -394,7 +394,6 @@ enum {
HCI_LIMITED_PRIVACY,
HCI_RPA_EXPIRED,
HCI_RPA_RESOLVING,
- HCI_HS_ENABLED,
HCI_LE_ENABLED,
HCI_ADVERTISING,
HCI_ADVERTISING_CONNECTABLE,
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index cf393e72d6ed..92d7197f9a56 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -59,8 +59,6 @@
#define L2CAP_WAIT_ACK_POLL_PERIOD msecs_to_jiffies(200)
#define L2CAP_WAIT_ACK_TIMEOUT msecs_to_jiffies(10000)

-#define L2CAP_A2MP_DEFAULT_MTU 670
-
/* L2CAP socket address */
struct sockaddr_l2 {
sa_family_t l2_family;
@@ -109,12 +107,6 @@ struct l2cap_conninfo {
#define L2CAP_ECHO_RSP 0x09
#define L2CAP_INFO_REQ 0x0a
#define L2CAP_INFO_RSP 0x0b
-#define L2CAP_CREATE_CHAN_REQ 0x0c
-#define L2CAP_CREATE_CHAN_RSP 0x0d
-#define L2CAP_MOVE_CHAN_REQ 0x0e
-#define L2CAP_MOVE_CHAN_RSP 0x0f
-#define L2CAP_MOVE_CHAN_CFM 0x10
-#define L2CAP_MOVE_CHAN_CFM_RSP 0x11
#define L2CAP_CONN_PARAM_UPDATE_REQ 0x12
#define L2CAP_CONN_PARAM_UPDATE_RSP 0x13
#define L2CAP_LE_CONN_REQ 0x14
@@ -144,7 +136,6 @@ struct l2cap_conninfo {
/* L2CAP fixed channels */
#define L2CAP_FC_SIG_BREDR 0x02
#define L2CAP_FC_CONNLESS 0x04
-#define L2CAP_FC_A2MP 0x08
#define L2CAP_FC_ATT 0x10
#define L2CAP_FC_SIG_LE 0x20
#define L2CAP_FC_SMP_LE 0x40
@@ -267,7 +258,6 @@ struct l2cap_conn_rsp {
/* channel identifier */
#define L2CAP_CID_SIGNALING 0x0001
#define L2CAP_CID_CONN_LESS 0x0002
-#define L2CAP_CID_A2MP 0x0003
#define L2CAP_CID_ATT 0x0004
#define L2CAP_CID_LE_SIGNALING 0x0005
#define L2CAP_CID_SMP 0x0006
@@ -282,7 +272,6 @@ struct l2cap_conn_rsp {
#define L2CAP_CR_BAD_PSM 0x0002
#define L2CAP_CR_SEC_BLOCK 0x0003
#define L2CAP_CR_NO_MEM 0x0004
-#define L2CAP_CR_BAD_AMP 0x0005
#define L2CAP_CR_INVALID_SCID 0x0006
#define L2CAP_CR_SCID_IN_USE 0x0007

@@ -404,29 +393,6 @@ struct l2cap_info_rsp {
__u8 data[];
} __packed;

-struct l2cap_create_chan_req {
- __le16 psm;
- __le16 scid;
- __u8 amp_id;
-} __packed;
-
-struct l2cap_create_chan_rsp {
- __le16 dcid;
- __le16 scid;
- __le16 result;
- __le16 status;
-} __packed;
-
-struct l2cap_move_chan_req {
- __le16 icid;
- __u8 dest_amp_id;
-} __packed;
-
-struct l2cap_move_chan_rsp {
- __le16 icid;
- __le16 result;
-} __packed;
-
#define L2CAP_MR_SUCCESS 0x0000
#define L2CAP_MR_PEND 0x0001
#define L2CAP_MR_BAD_ID 0x0002
@@ -539,8 +505,6 @@ struct l2cap_seq_list {

struct l2cap_chan {
struct l2cap_conn *conn;
- struct hci_conn *hs_hcon;
- struct hci_chan *hs_hchan;
struct kref kref;
atomic_t nesting;

@@ -591,12 +555,6 @@ struct l2cap_chan {
unsigned long conn_state;
unsigned long flags;

- __u8 remote_amp_id;
- __u8 local_amp_id;
- __u8 move_id;
- __u8 move_state;
- __u8 move_role;
-
__u16 next_tx_seq;
__u16 expected_ack_seq;
__u16 expected_tx_seq;
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index da7cac0a1b71..6b2b65a66700 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -62,14 +62,6 @@ source "net/bluetooth/cmtp/Kconfig"

source "net/bluetooth/hidp/Kconfig"

-config BT_HS
- bool "Bluetooth High Speed (HS) features"
- depends on BT_BREDR
- help
- Bluetooth High Speed includes support for off-loading
- Bluetooth connections via 802.11 (wifi) physical layer
- available with Bluetooth version 3.0 or later.
-
config BT_LE
bool "Bluetooth Low Energy (LE) features"
depends on BT
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index 141ac1fda0bf..628d448d78be 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -21,7 +21,6 @@ bluetooth-$(CONFIG_DEV_COREDUMP) += coredump.o

bluetooth-$(CONFIG_BT_BREDR) += sco.o
bluetooth-$(CONFIG_BT_LE) += iso.o
-bluetooth-$(CONFIG_BT_HS) += a2mp.o amp.o
bluetooth-$(CONFIG_BT_LEDS) += leds.o
bluetooth-$(CONFIG_BT_MSFTEXT) += msft.o
bluetooth-$(CONFIG_BT_AOSPEXT) += aosp.o
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
deleted file mode 100644
index e7adb8a98cf9..000000000000
--- a/net/bluetooth/a2mp.c
+++ /dev/null
@@ -1,1054 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved.
- Copyright (c) 2011,2012 Intel Corp.
-
-*/
-
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/hci_core.h>
-#include <net/bluetooth/l2cap.h>
-
-#include "hci_request.h"
-#include "a2mp.h"
-#include "amp.h"
-
-#define A2MP_FEAT_EXT 0x8000
-
-/* Global AMP Manager list */
-static LIST_HEAD(amp_mgr_list);
-static DEFINE_MUTEX(amp_mgr_list_lock);
-
-/* A2MP build & send command helper functions */
-static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data)
-{
- struct a2mp_cmd *cmd;
- int plen;
-
- plen = sizeof(*cmd) + len;
- cmd = kzalloc(plen, GFP_KERNEL);
- if (!cmd)
- return NULL;
-
- cmd->code = code;
- cmd->ident = ident;
- cmd->len = cpu_to_le16(len);
-
- memcpy(cmd->data, data, len);
-
- return cmd;
-}
-
-static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, void *data)
-{
- struct l2cap_chan *chan = mgr->a2mp_chan;
- struct a2mp_cmd *cmd;
- u16 total_len = len + sizeof(*cmd);
- struct kvec iv;
- struct msghdr msg;
-
- cmd = __a2mp_build(code, ident, len, data);
- if (!cmd)
- return;
-
- iv.iov_base = cmd;
- iv.iov_len = total_len;
-
- memset(&msg, 0, sizeof(msg));
-
- iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, &iv, 1, total_len);
-
- l2cap_chan_send(chan, &msg, total_len);
-
- kfree(cmd);
-}
-
-static u8 __next_ident(struct amp_mgr *mgr)
-{
- if (++mgr->ident == 0)
- mgr->ident = 1;
-
- return mgr->ident;
-}
-
-static struct amp_mgr *amp_mgr_lookup_by_state(u8 state)
-{
- struct amp_mgr *mgr;
-
- mutex_lock(&amp_mgr_list_lock);
- list_for_each_entry(mgr, &amp_mgr_list, list) {
- if (test_and_clear_bit(state, &mgr->state)) {
- amp_mgr_get(mgr);
- mutex_unlock(&amp_mgr_list_lock);
- return mgr;
- }
- }
- mutex_unlock(&amp_mgr_list_lock);
-
- return NULL;
-}
-
-/* hci_dev_list shall be locked */
-static void __a2mp_add_cl(struct amp_mgr *mgr, struct a2mp_cl *cl)
-{
- struct hci_dev *hdev;
- int i = 1;
-
- cl[0].id = AMP_ID_BREDR;
- cl[0].type = AMP_TYPE_BREDR;
- cl[0].status = AMP_STATUS_BLUETOOTH_ONLY;
-
- list_for_each_entry(hdev, &hci_dev_list, list) {
- if (hdev->dev_type == HCI_AMP) {
- cl[i].id = hdev->id;
- cl[i].type = hdev->amp_type;
- if (test_bit(HCI_UP, &hdev->flags))
- cl[i].status = hdev->amp_status;
- else
- cl[i].status = AMP_STATUS_POWERED_DOWN;
- i++;
- }
- }
-}
-
-/* Processing A2MP messages */
-static int a2mp_command_rej(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_cmd_rej *rej = (void *) skb->data;
-
- if (le16_to_cpu(hdr->len) < sizeof(*rej))
- return -EINVAL;
-
- BT_DBG("ident %u reason %d", hdr->ident, le16_to_cpu(rej->reason));
-
- skb_pull(skb, sizeof(*rej));
-
- return 0;
-}
-
-static int a2mp_discover_req(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_discov_req *req = (void *) skb->data;
- u16 len = le16_to_cpu(hdr->len);
- struct a2mp_discov_rsp *rsp;
- u16 ext_feat;
- u8 num_ctrl;
- struct hci_dev *hdev;
-
- if (len < sizeof(*req))
- return -EINVAL;
-
- skb_pull(skb, sizeof(*req));
-
- ext_feat = le16_to_cpu(req->ext_feat);
-
- BT_DBG("mtu %d efm 0x%4.4x", le16_to_cpu(req->mtu), ext_feat);
-
- /* check that packet is not broken for now */
- while (ext_feat & A2MP_FEAT_EXT) {
- if (len < sizeof(ext_feat))
- return -EINVAL;
-
- ext_feat = get_unaligned_le16(skb->data);
- BT_DBG("efm 0x%4.4x", ext_feat);
- len -= sizeof(ext_feat);
- skb_pull(skb, sizeof(ext_feat));
- }
-
- read_lock(&hci_dev_list_lock);
-
- /* at minimum the BR/EDR needs to be listed */
- num_ctrl = 1;
-
- list_for_each_entry(hdev, &hci_dev_list, list) {
- if (hdev->dev_type == HCI_AMP)
- num_ctrl++;
- }
-
- len = struct_size(rsp, cl, num_ctrl);
- rsp = kmalloc(len, GFP_ATOMIC);
- if (!rsp) {
- read_unlock(&hci_dev_list_lock);
- return -ENOMEM;
- }
-
- rsp->mtu = cpu_to_le16(L2CAP_A2MP_DEFAULT_MTU);
- rsp->ext_feat = 0;
-
- __a2mp_add_cl(mgr, rsp->cl);
-
- read_unlock(&hci_dev_list_lock);
-
- a2mp_send(mgr, A2MP_DISCOVER_RSP, hdr->ident, len, rsp);
-
- kfree(rsp);
- return 0;
-}
-
-static int a2mp_discover_rsp(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_discov_rsp *rsp = (void *) skb->data;
- u16 len = le16_to_cpu(hdr->len);
- struct a2mp_cl *cl;
- u16 ext_feat;
- bool found = false;
-
- if (len < sizeof(*rsp))
- return -EINVAL;
-
- len -= sizeof(*rsp);
- skb_pull(skb, sizeof(*rsp));
-
- ext_feat = le16_to_cpu(rsp->ext_feat);
-
- BT_DBG("mtu %d efm 0x%4.4x", le16_to_cpu(rsp->mtu), ext_feat);
-
- /* check that packet is not broken for now */
- while (ext_feat & A2MP_FEAT_EXT) {
- if (len < sizeof(ext_feat))
- return -EINVAL;
-
- ext_feat = get_unaligned_le16(skb->data);
- BT_DBG("efm 0x%4.4x", ext_feat);
- len -= sizeof(ext_feat);
- skb_pull(skb, sizeof(ext_feat));
- }
-
- cl = (void *) skb->data;
- while (len >= sizeof(*cl)) {
- BT_DBG("Remote AMP id %u type %u status %u", cl->id, cl->type,
- cl->status);
-
- if (cl->id != AMP_ID_BREDR && cl->type != AMP_TYPE_BREDR) {
- struct a2mp_info_req req;
-
- found = true;
-
- memset(&req, 0, sizeof(req));
-
- req.id = cl->id;
- a2mp_send(mgr, A2MP_GETINFO_REQ, __next_ident(mgr),
- sizeof(req), &req);
- }
-
- len -= sizeof(*cl);
- cl = skb_pull(skb, sizeof(*cl));
- }
-
- /* Fall back to L2CAP init sequence */
- if (!found) {
- struct l2cap_conn *conn = mgr->l2cap_conn;
- struct l2cap_chan *chan;
-
- mutex_lock(&conn->chan_lock);
-
- list_for_each_entry(chan, &conn->chan_l, list) {
-
- BT_DBG("chan %p state %s", chan,
- state_to_string(chan->state));
-
- if (chan->scid == L2CAP_CID_A2MP)
- continue;
-
- l2cap_chan_lock(chan);
-
- if (chan->state == BT_CONNECT)
- l2cap_send_conn_req(chan);
-
- l2cap_chan_unlock(chan);
- }
-
- mutex_unlock(&conn->chan_lock);
- }
-
- return 0;
-}
-
-static int a2mp_change_notify(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_cl *cl = (void *) skb->data;
-
- while (skb->len >= sizeof(*cl)) {
- BT_DBG("Controller id %u type %u status %u", cl->id, cl->type,
- cl->status);
- cl = skb_pull(skb, sizeof(*cl));
- }
-
- /* TODO send A2MP_CHANGE_RSP */
-
- return 0;
-}
-
-static void read_local_amp_info_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- a2mp_send_getinfo_rsp(hdev);
-}
-
-static int a2mp_getinfo_req(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_info_req *req = (void *) skb->data;
- struct hci_dev *hdev;
- struct hci_request hreq;
- int err = 0;
-
- if (le16_to_cpu(hdr->len) < sizeof(*req))
- return -EINVAL;
-
- BT_DBG("id %u", req->id);
-
- hdev = hci_dev_get(req->id);
- if (!hdev || hdev->dev_type != HCI_AMP) {
- struct a2mp_info_rsp rsp;
-
- memset(&rsp, 0, sizeof(rsp));
-
- rsp.id = req->id;
- rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
-
- a2mp_send(mgr, A2MP_GETINFO_RSP, hdr->ident, sizeof(rsp),
- &rsp);
-
- goto done;
- }
-
- set_bit(READ_LOC_AMP_INFO, &mgr->state);
- hci_req_init(&hreq, hdev);
- hci_req_add(&hreq, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL);
- err = hci_req_run(&hreq, read_local_amp_info_complete);
- if (err < 0)
- a2mp_send_getinfo_rsp(hdev);
-
-done:
- if (hdev)
- hci_dev_put(hdev);
-
- skb_pull(skb, sizeof(*req));
- return 0;
-}
-
-static int a2mp_getinfo_rsp(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_info_rsp *rsp = (struct a2mp_info_rsp *) skb->data;
- struct a2mp_amp_assoc_req req;
- struct amp_ctrl *ctrl;
-
- if (le16_to_cpu(hdr->len) < sizeof(*rsp))
- return -EINVAL;
-
- BT_DBG("id %u status 0x%2.2x", rsp->id, rsp->status);
-
- if (rsp->status)
- return -EINVAL;
-
- ctrl = amp_ctrl_add(mgr, rsp->id);
- if (!ctrl)
- return -ENOMEM;
-
- memset(&req, 0, sizeof(req));
-
- req.id = rsp->id;
- a2mp_send(mgr, A2MP_GETAMPASSOC_REQ, __next_ident(mgr), sizeof(req),
- &req);
-
- skb_pull(skb, sizeof(*rsp));
- return 0;
-}
-
-static int a2mp_getampassoc_req(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_amp_assoc_req *req = (void *) skb->data;
- struct hci_dev *hdev;
- struct amp_mgr *tmp;
-
- if (le16_to_cpu(hdr->len) < sizeof(*req))
- return -EINVAL;
-
- BT_DBG("id %u", req->id);
-
- /* Make sure that other request is not processed */
- tmp = amp_mgr_lookup_by_state(READ_LOC_AMP_ASSOC);
-
- hdev = hci_dev_get(req->id);
- if (!hdev || hdev->amp_type == AMP_TYPE_BREDR || tmp) {
- struct a2mp_amp_assoc_rsp rsp;
-
- memset(&rsp, 0, sizeof(rsp));
- rsp.id = req->id;
-
- if (tmp) {
- rsp.status = A2MP_STATUS_COLLISION_OCCURED;
- amp_mgr_put(tmp);
- } else {
- rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
- }
-
- a2mp_send(mgr, A2MP_GETAMPASSOC_RSP, hdr->ident, sizeof(rsp),
- &rsp);
-
- goto done;
- }
-
- amp_read_loc_assoc(hdev, mgr);
-
-done:
- if (hdev)
- hci_dev_put(hdev);
-
- skb_pull(skb, sizeof(*req));
- return 0;
-}
-
-static int a2mp_getampassoc_rsp(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_amp_assoc_rsp *rsp = (void *) skb->data;
- u16 len = le16_to_cpu(hdr->len);
- struct hci_dev *hdev;
- struct amp_ctrl *ctrl;
- struct hci_conn *hcon;
- size_t assoc_len;
-
- if (len < sizeof(*rsp))
- return -EINVAL;
-
- assoc_len = len - sizeof(*rsp);
-
- BT_DBG("id %u status 0x%2.2x assoc len %zu", rsp->id, rsp->status,
- assoc_len);
-
- if (rsp->status)
- return -EINVAL;
-
- /* Save remote ASSOC data */
- ctrl = amp_ctrl_lookup(mgr, rsp->id);
- if (ctrl) {
- u8 *assoc;
-
- assoc = kmemdup(rsp->amp_assoc, assoc_len, GFP_KERNEL);
- if (!assoc) {
- amp_ctrl_put(ctrl);
- return -ENOMEM;
- }
-
- ctrl->assoc = assoc;
- ctrl->assoc_len = assoc_len;
- ctrl->assoc_rem_len = assoc_len;
- ctrl->assoc_len_so_far = 0;
-
- amp_ctrl_put(ctrl);
- }
-
- /* Create Phys Link */
- hdev = hci_dev_get(rsp->id);
- if (!hdev)
- return -EINVAL;
-
- hcon = phylink_add(hdev, mgr, rsp->id, true);
- if (!hcon)
- goto done;
-
- BT_DBG("Created hcon %p: loc:%u -> rem:%u", hcon, hdev->id, rsp->id);
-
- mgr->bredr_chan->remote_amp_id = rsp->id;
-
- amp_create_phylink(hdev, mgr, hcon);
-
-done:
- hci_dev_put(hdev);
- skb_pull(skb, len);
- return 0;
-}
-
-static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_physlink_req *req = (void *) skb->data;
- struct a2mp_physlink_rsp rsp;
- struct hci_dev *hdev;
- struct hci_conn *hcon;
- struct amp_ctrl *ctrl;
-
- if (le16_to_cpu(hdr->len) < sizeof(*req))
- return -EINVAL;
-
- BT_DBG("local_id %u, remote_id %u", req->local_id, req->remote_id);
-
- memset(&rsp, 0, sizeof(rsp));
-
- rsp.local_id = req->remote_id;
- rsp.remote_id = req->local_id;
-
- hdev = hci_dev_get(req->remote_id);
- if (!hdev || hdev->amp_type == AMP_TYPE_BREDR) {
- rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
- goto send_rsp;
- }
-
- ctrl = amp_ctrl_lookup(mgr, rsp.remote_id);
- if (!ctrl) {
- ctrl = amp_ctrl_add(mgr, rsp.remote_id);
- if (ctrl) {
- amp_ctrl_get(ctrl);
- } else {
- rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION;
- goto send_rsp;
- }
- }
-
- if (ctrl) {
- size_t assoc_len = le16_to_cpu(hdr->len) - sizeof(*req);
- u8 *assoc;
-
- assoc = kmemdup(req->amp_assoc, assoc_len, GFP_KERNEL);
- if (!assoc) {
- amp_ctrl_put(ctrl);
- hci_dev_put(hdev);
- return -ENOMEM;
- }
-
- ctrl->assoc = assoc;
- ctrl->assoc_len = assoc_len;
- ctrl->assoc_rem_len = assoc_len;
- ctrl->assoc_len_so_far = 0;
-
- amp_ctrl_put(ctrl);
- }
-
- hcon = phylink_add(hdev, mgr, req->local_id, false);
- if (hcon) {
- amp_accept_phylink(hdev, mgr, hcon);
- rsp.status = A2MP_STATUS_SUCCESS;
- } else {
- rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION;
- }
-
-send_rsp:
- if (hdev)
- hci_dev_put(hdev);
-
- /* Reply error now and success after HCI Write Remote AMP Assoc
- command complete with success status
- */
- if (rsp.status != A2MP_STATUS_SUCCESS) {
- a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, hdr->ident,
- sizeof(rsp), &rsp);
- } else {
- set_bit(WRITE_REMOTE_AMP_ASSOC, &mgr->state);
- mgr->ident = hdr->ident;
- }
-
- skb_pull(skb, le16_to_cpu(hdr->len));
- return 0;
-}
-
-static int a2mp_discphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- struct a2mp_physlink_req *req = (void *) skb->data;
- struct a2mp_physlink_rsp rsp;
- struct hci_dev *hdev;
- struct hci_conn *hcon;
-
- if (le16_to_cpu(hdr->len) < sizeof(*req))
- return -EINVAL;
-
- BT_DBG("local_id %u remote_id %u", req->local_id, req->remote_id);
-
- memset(&rsp, 0, sizeof(rsp));
-
- rsp.local_id = req->remote_id;
- rsp.remote_id = req->local_id;
- rsp.status = A2MP_STATUS_SUCCESS;
-
- hdev = hci_dev_get(req->remote_id);
- if (!hdev) {
- rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
- goto send_rsp;
- }
-
- hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK,
- &mgr->l2cap_conn->hcon->dst);
- if (!hcon) {
- bt_dev_err(hdev, "no phys link exist");
- rsp.status = A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS;
- goto clean;
- }
-
- /* TODO Disconnect Phys Link here */
-
-clean:
- hci_dev_put(hdev);
-
-send_rsp:
- a2mp_send(mgr, A2MP_DISCONNPHYSLINK_RSP, hdr->ident, sizeof(rsp), &rsp);
-
- skb_pull(skb, sizeof(*req));
- return 0;
-}
-
-static inline int a2mp_cmd_rsp(struct amp_mgr *mgr, struct sk_buff *skb,
- struct a2mp_cmd *hdr)
-{
- BT_DBG("ident %u code 0x%2.2x", hdr->ident, hdr->code);
-
- skb_pull(skb, le16_to_cpu(hdr->len));
- return 0;
-}
-
-/* Handle A2MP signalling */
-static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
-{
- struct a2mp_cmd *hdr;
- struct amp_mgr *mgr = chan->data;
- int err = 0;
-
- amp_mgr_get(mgr);
-
- while (skb->len >= sizeof(*hdr)) {
- u16 len;
-
- hdr = (void *) skb->data;
- len = le16_to_cpu(hdr->len);
-
- BT_DBG("code 0x%2.2x id %u len %u", hdr->code, hdr->ident, len);
-
- skb_pull(skb, sizeof(*hdr));
-
- if (len > skb->len || !hdr->ident) {
- err = -EINVAL;
- break;
- }
-
- mgr->ident = hdr->ident;
-
- switch (hdr->code) {
- case A2MP_COMMAND_REJ:
- a2mp_command_rej(mgr, skb, hdr);
- break;
-
- case A2MP_DISCOVER_REQ:
- err = a2mp_discover_req(mgr, skb, hdr);
- break;
-
- case A2MP_CHANGE_NOTIFY:
- err = a2mp_change_notify(mgr, skb, hdr);
- break;
-
- case A2MP_GETINFO_REQ:
- err = a2mp_getinfo_req(mgr, skb, hdr);
- break;
-
- case A2MP_GETAMPASSOC_REQ:
- err = a2mp_getampassoc_req(mgr, skb, hdr);
- break;
-
- case A2MP_CREATEPHYSLINK_REQ:
- err = a2mp_createphyslink_req(mgr, skb, hdr);
- break;
-
- case A2MP_DISCONNPHYSLINK_REQ:
- err = a2mp_discphyslink_req(mgr, skb, hdr);
- break;
-
- case A2MP_DISCOVER_RSP:
- err = a2mp_discover_rsp(mgr, skb, hdr);
- break;
-
- case A2MP_GETINFO_RSP:
- err = a2mp_getinfo_rsp(mgr, skb, hdr);
- break;
-
- case A2MP_GETAMPASSOC_RSP:
- err = a2mp_getampassoc_rsp(mgr, skb, hdr);
- break;
-
- case A2MP_CHANGE_RSP:
- case A2MP_CREATEPHYSLINK_RSP:
- case A2MP_DISCONNPHYSLINK_RSP:
- err = a2mp_cmd_rsp(mgr, skb, hdr);
- break;
-
- default:
- BT_ERR("Unknown A2MP sig cmd 0x%2.2x", hdr->code);
- err = -EINVAL;
- break;
- }
- }
-
- if (err) {
- struct a2mp_cmd_rej rej;
-
- memset(&rej, 0, sizeof(rej));
-
- rej.reason = cpu_to_le16(0);
- hdr = (void *) skb->data;
-
- BT_DBG("Send A2MP Rej: cmd 0x%2.2x err %d", hdr->code, err);
-
- a2mp_send(mgr, A2MP_COMMAND_REJ, hdr->ident, sizeof(rej),
- &rej);
- }
-
- /* Always free skb and return success error code to prevent
- from sending L2CAP Disconnect over A2MP channel */
- kfree_skb(skb);
-
- amp_mgr_put(mgr);
-
- return 0;
-}
-
-static void a2mp_chan_close_cb(struct l2cap_chan *chan)
-{
- l2cap_chan_put(chan);
-}
-
-static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state,
- int err)
-{
- struct amp_mgr *mgr = chan->data;
-
- if (!mgr)
- return;
-
- BT_DBG("chan %p state %s", chan, state_to_string(state));
-
- chan->state = state;
-
- switch (state) {
- case BT_CLOSED:
- if (mgr)
- amp_mgr_put(mgr);
- break;
- }
-}
-
-static struct sk_buff *a2mp_chan_alloc_skb_cb(struct l2cap_chan *chan,
- unsigned long hdr_len,
- unsigned long len, int nb)
-{
- struct sk_buff *skb;
-
- skb = bt_skb_alloc(hdr_len + len, GFP_KERNEL);
- if (!skb)
- return ERR_PTR(-ENOMEM);
-
- return skb;
-}
-
-static const struct l2cap_ops a2mp_chan_ops = {
- .name = "L2CAP A2MP channel",
- .recv = a2mp_chan_recv_cb,
- .close = a2mp_chan_close_cb,
- .state_change = a2mp_chan_state_change_cb,
- .alloc_skb = a2mp_chan_alloc_skb_cb,
-
- /* Not implemented for A2MP */
- .new_connection = l2cap_chan_no_new_connection,
- .teardown = l2cap_chan_no_teardown,
- .ready = l2cap_chan_no_ready,
- .defer = l2cap_chan_no_defer,
- .resume = l2cap_chan_no_resume,
- .set_shutdown = l2cap_chan_no_set_shutdown,
- .get_sndtimeo = l2cap_chan_no_get_sndtimeo,
-};
-
-static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
-{
- struct l2cap_chan *chan;
- int err;
-
- chan = l2cap_chan_create();
- if (!chan)
- return NULL;
-
- BT_DBG("chan %p", chan);
-
- chan->chan_type = L2CAP_CHAN_FIXED;
- chan->scid = L2CAP_CID_A2MP;
- chan->dcid = L2CAP_CID_A2MP;
- chan->omtu = L2CAP_A2MP_DEFAULT_MTU;
- chan->imtu = L2CAP_A2MP_DEFAULT_MTU;
- chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;
-
- chan->ops = &a2mp_chan_ops;
-
- l2cap_chan_set_defaults(chan);
- chan->remote_max_tx = chan->max_tx;
- chan->remote_tx_win = chan->tx_win;
-
- chan->retrans_timeout = L2CAP_DEFAULT_RETRANS_TO;
- chan->monitor_timeout = L2CAP_DEFAULT_MONITOR_TO;
-
- skb_queue_head_init(&chan->tx_q);
-
- chan->mode = L2CAP_MODE_ERTM;
-
- err = l2cap_ertm_init(chan);
- if (err < 0) {
- l2cap_chan_del(chan, 0);
- return NULL;
- }
-
- chan->conf_state = 0;
-
- if (locked)
- __l2cap_chan_add(conn, chan);
- else
- l2cap_chan_add(conn, chan);
-
- chan->remote_mps = chan->omtu;
- chan->mps = chan->omtu;
-
- chan->state = BT_CONNECTED;
-
- return chan;
-}
-
-/* AMP Manager functions */
-struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr)
-{
- BT_DBG("mgr %p orig refcnt %d", mgr, kref_read(&mgr->kref));
-
- kref_get(&mgr->kref);
-
- return mgr;
-}
-
-static void amp_mgr_destroy(struct kref *kref)
-{
- struct amp_mgr *mgr = container_of(kref, struct amp_mgr, kref);
-
- BT_DBG("mgr %p", mgr);
-
- mutex_lock(&amp_mgr_list_lock);
- list_del(&mgr->list);
- mutex_unlock(&amp_mgr_list_lock);
-
- amp_ctrl_list_flush(mgr);
- kfree(mgr);
-}
-
-int amp_mgr_put(struct amp_mgr *mgr)
-{
- BT_DBG("mgr %p orig refcnt %d", mgr, kref_read(&mgr->kref));
-
- return kref_put(&mgr->kref, &amp_mgr_destroy);
-}
-
-static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn, bool locked)
-{
- struct amp_mgr *mgr;
- struct l2cap_chan *chan;
-
- mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
- if (!mgr)
- return NULL;
-
- BT_DBG("conn %p mgr %p", conn, mgr);
-
- mgr->l2cap_conn = conn;
-
- chan = a2mp_chan_open(conn, locked);
- if (!chan) {
- kfree(mgr);
- return NULL;
- }
-
- mgr->a2mp_chan = chan;
- chan->data = mgr;
-
- conn->hcon->amp_mgr = mgr;
-
- kref_init(&mgr->kref);
-
- /* Remote AMP ctrl list initialization */
- INIT_LIST_HEAD(&mgr->amp_ctrls);
- mutex_init(&mgr->amp_ctrls_lock);
-
- mutex_lock(&amp_mgr_list_lock);
- list_add(&mgr->list, &amp_mgr_list);
- mutex_unlock(&amp_mgr_list_lock);
-
- return mgr;
-}
-
-struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
- struct sk_buff *skb)
-{
- struct amp_mgr *mgr;
-
- if (conn->hcon->type != ACL_LINK)
- return NULL;
-
- mgr = amp_mgr_create(conn, false);
- if (!mgr) {
- BT_ERR("Could not create AMP manager");
- return NULL;
- }
-
- BT_DBG("mgr: %p chan %p", mgr, mgr->a2mp_chan);
-
- return mgr->a2mp_chan;
-}
-
-void a2mp_send_getinfo_rsp(struct hci_dev *hdev)
-{
- struct amp_mgr *mgr;
- struct a2mp_info_rsp rsp;
-
- mgr = amp_mgr_lookup_by_state(READ_LOC_AMP_INFO);
- if (!mgr)
- return;
-
- BT_DBG("%s mgr %p", hdev->name, mgr);
-
- memset(&rsp, 0, sizeof(rsp));
-
- rsp.id = hdev->id;
- rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
-
- if (hdev->amp_type != AMP_TYPE_BREDR) {
- rsp.status = 0;
- rsp.total_bw = cpu_to_le32(hdev->amp_total_bw);
- rsp.max_bw = cpu_to_le32(hdev->amp_max_bw);
- rsp.min_latency = cpu_to_le32(hdev->amp_min_latency);
- rsp.pal_cap = cpu_to_le16(hdev->amp_pal_cap);
- rsp.assoc_size = cpu_to_le16(hdev->amp_assoc_size);
- }
-
- a2mp_send(mgr, A2MP_GETINFO_RSP, mgr->ident, sizeof(rsp), &rsp);
- amp_mgr_put(mgr);
-}
-
-void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status)
-{
- struct amp_mgr *mgr;
- struct amp_assoc *loc_assoc = &hdev->loc_assoc;
- struct a2mp_amp_assoc_rsp *rsp;
- size_t len;
-
- mgr = amp_mgr_lookup_by_state(READ_LOC_AMP_ASSOC);
- if (!mgr)
- return;
-
- BT_DBG("%s mgr %p", hdev->name, mgr);
-
- len = sizeof(struct a2mp_amp_assoc_rsp) + loc_assoc->len;
- rsp = kzalloc(len, GFP_KERNEL);
- if (!rsp) {
- amp_mgr_put(mgr);
- return;
- }
-
- rsp->id = hdev->id;
-
- if (status) {
- rsp->status = A2MP_STATUS_INVALID_CTRL_ID;
- } else {
- rsp->status = A2MP_STATUS_SUCCESS;
- memcpy(rsp->amp_assoc, loc_assoc->data, loc_assoc->len);
- }
-
- a2mp_send(mgr, A2MP_GETAMPASSOC_RSP, mgr->ident, len, rsp);
- amp_mgr_put(mgr);
- kfree(rsp);
-}
-
-void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status)
-{
- struct amp_mgr *mgr;
- struct amp_assoc *loc_assoc = &hdev->loc_assoc;
- struct a2mp_physlink_req *req;
- struct l2cap_chan *bredr_chan;
- size_t len;
-
- mgr = amp_mgr_lookup_by_state(READ_LOC_AMP_ASSOC_FINAL);
- if (!mgr)
- return;
-
- len = sizeof(*req) + loc_assoc->len;
-
- BT_DBG("%s mgr %p assoc_len %zu", hdev->name, mgr, len);
-
- req = kzalloc(len, GFP_KERNEL);
- if (!req) {
- amp_mgr_put(mgr);
- return;
- }
-
- bredr_chan = mgr->bredr_chan;
- if (!bredr_chan)
- goto clean;
-
- req->local_id = hdev->id;
- req->remote_id = bredr_chan->remote_amp_id;
- memcpy(req->amp_assoc, loc_assoc->data, loc_assoc->len);
-
- a2mp_send(mgr, A2MP_CREATEPHYSLINK_REQ, __next_ident(mgr), len, req);
-
-clean:
- amp_mgr_put(mgr);
- kfree(req);
-}
-
-void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status)
-{
- struct amp_mgr *mgr;
- struct a2mp_physlink_rsp rsp;
- struct hci_conn *hs_hcon;
-
- mgr = amp_mgr_lookup_by_state(WRITE_REMOTE_AMP_ASSOC);
- if (!mgr)
- return;
-
- memset(&rsp, 0, sizeof(rsp));
-
- hs_hcon = hci_conn_hash_lookup_state(hdev, AMP_LINK, BT_CONNECT);
- if (!hs_hcon) {
- rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION;
- } else {
- rsp.remote_id = hs_hcon->remote_id;
- rsp.status = A2MP_STATUS_SUCCESS;
- }
-
- BT_DBG("%s mgr %p hs_hcon %p status %u", hdev->name, mgr, hs_hcon,
- status);
-
- rsp.local_id = hdev->id;
- a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, mgr->ident, sizeof(rsp), &rsp);
- amp_mgr_put(mgr);
-}
-
-void a2mp_discover_amp(struct l2cap_chan *chan)
-{
- struct l2cap_conn *conn = chan->conn;
- struct amp_mgr *mgr = conn->hcon->amp_mgr;
- struct a2mp_discov_req req;
-
- BT_DBG("chan %p conn %p mgr %p", chan, conn, mgr);
-
- if (!mgr) {
- mgr = amp_mgr_create(conn, true);
- if (!mgr)
- return;
- }
-
- mgr->bredr_chan = chan;
-
- memset(&req, 0, sizeof(req));
-
- req.mtu = cpu_to_le16(L2CAP_A2MP_DEFAULT_MTU);
- req.ext_feat = 0;
- a2mp_send(mgr, A2MP_DISCOVER_REQ, 1, sizeof(req), &req);
-}
diff --git a/net/bluetooth/a2mp.h b/net/bluetooth/a2mp.h
deleted file mode 100644
index 2fd253a61a2a..000000000000
--- a/net/bluetooth/a2mp.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- Copyright (c) 2010,2011 Code Aurora Forum. All rights reserved.
- Copyright (c) 2011,2012 Intel Corp.
-
-*/
-
-#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[];
-} __packed;
-
-/* A2MP command codes */
-#define A2MP_COMMAND_REJ 0x01
-struct a2mp_cmd_rej {
- __le16 reason;
- __u8 data[];
-} __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[];
-} __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[];
-} __packed;
-
-#define A2MP_CREATEPHYSLINK_REQ 0x0A
-#define A2MP_DISCONNPHYSLINK_REQ 0x0C
-struct a2mp_physlink_req {
- __u8 local_id;
- __u8 remote_id;
- __u8 amp_assoc[];
-} __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 */
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
deleted file mode 100644
index 5d698f19868c..000000000000
--- a/net/bluetooth/amp.c
+++ /dev/null
@@ -1,590 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- Copyright (c) 2011,2012 Intel Corp.
-
-*/
-
-#include <net/bluetooth/bluetooth.h>
-#include <net/bluetooth/hci.h>
-#include <net/bluetooth/hci_core.h>
-#include <crypto/hash.h>
-
-#include "hci_request.h"
-#include "a2mp.h"
-#include "amp.h"
-
-/* Remote AMP Controllers interface */
-void amp_ctrl_get(struct amp_ctrl *ctrl)
-{
- BT_DBG("ctrl %p orig refcnt %d", ctrl,
- kref_read(&ctrl->kref));
-
- kref_get(&ctrl->kref);
-}
-
-static void amp_ctrl_destroy(struct kref *kref)
-{
- struct amp_ctrl *ctrl = container_of(kref, struct amp_ctrl, kref);
-
- BT_DBG("ctrl %p", ctrl);
-
- kfree(ctrl->assoc);
- kfree(ctrl);
-}
-
-int amp_ctrl_put(struct amp_ctrl *ctrl)
-{
- BT_DBG("ctrl %p orig refcnt %d", ctrl,
- kref_read(&ctrl->kref));
-
- return kref_put(&ctrl->kref, &amp_ctrl_destroy);
-}
-
-struct amp_ctrl *amp_ctrl_add(struct amp_mgr *mgr, u8 id)
-{
- struct amp_ctrl *ctrl;
-
- ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
- if (!ctrl)
- return NULL;
-
- kref_init(&ctrl->kref);
- ctrl->id = id;
-
- mutex_lock(&mgr->amp_ctrls_lock);
- list_add(&ctrl->list, &mgr->amp_ctrls);
- mutex_unlock(&mgr->amp_ctrls_lock);
-
- BT_DBG("mgr %p ctrl %p", mgr, ctrl);
-
- return ctrl;
-}
-
-void amp_ctrl_list_flush(struct amp_mgr *mgr)
-{
- struct amp_ctrl *ctrl, *n;
-
- BT_DBG("mgr %p", mgr);
-
- mutex_lock(&mgr->amp_ctrls_lock);
- list_for_each_entry_safe(ctrl, n, &mgr->amp_ctrls, list) {
- list_del(&ctrl->list);
- amp_ctrl_put(ctrl);
- }
- mutex_unlock(&mgr->amp_ctrls_lock);
-}
-
-struct amp_ctrl *amp_ctrl_lookup(struct amp_mgr *mgr, u8 id)
-{
- struct amp_ctrl *ctrl;
-
- BT_DBG("mgr %p id %u", mgr, id);
-
- mutex_lock(&mgr->amp_ctrls_lock);
- list_for_each_entry(ctrl, &mgr->amp_ctrls, list) {
- if (ctrl->id == id) {
- amp_ctrl_get(ctrl);
- mutex_unlock(&mgr->amp_ctrls_lock);
- return ctrl;
- }
- }
- mutex_unlock(&mgr->amp_ctrls_lock);
-
- return NULL;
-}
-
-/* Physical Link interface */
-static u8 __next_handle(struct amp_mgr *mgr)
-{
- if (++mgr->handle == 0)
- mgr->handle = 1;
-
- return mgr->handle;
-}
-
-struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
- u8 remote_id, bool out)
-{
- bdaddr_t *dst = &mgr->l2cap_conn->hcon->dst;
- struct hci_conn *hcon;
- u8 role = out ? HCI_ROLE_MASTER : HCI_ROLE_SLAVE;
-
- hcon = hci_conn_add(hdev, AMP_LINK, dst, role, __next_handle(mgr));
- if (!hcon)
- return NULL;
-
- BT_DBG("hcon %p dst %pMR", hcon, dst);
-
- hcon->state = BT_CONNECT;
- hcon->attempt++;
- hcon->remote_id = remote_id;
- hcon->amp_mgr = amp_mgr_get(mgr);
-
- return hcon;
-}
-
-/* AMP crypto key generation interface */
-static int hmac_sha256(u8 *key, u8 ksize, char *plaintext, u8 psize, u8 *output)
-{
- struct crypto_shash *tfm;
- struct shash_desc *shash;
- int ret;
-
- if (!ksize)
- return -EINVAL;
-
- tfm = crypto_alloc_shash("hmac(sha256)", 0, 0);
- if (IS_ERR(tfm)) {
- BT_DBG("crypto_alloc_ahash failed: err %ld", PTR_ERR(tfm));
- return PTR_ERR(tfm);
- }
-
- ret = crypto_shash_setkey(tfm, key, ksize);
- if (ret) {
- BT_DBG("crypto_ahash_setkey failed: err %d", ret);
- goto failed;
- }
-
- shash = kzalloc(sizeof(*shash) + crypto_shash_descsize(tfm),
- GFP_KERNEL);
- if (!shash) {
- ret = -ENOMEM;
- goto failed;
- }
-
- shash->tfm = tfm;
-
- ret = crypto_shash_digest(shash, plaintext, psize, output);
-
- kfree(shash);
-
-failed:
- crypto_free_shash(tfm);
- return ret;
-}
-
-int phylink_gen_key(struct hci_conn *conn, u8 *data, u8 *len, u8 *type)
-{
- struct hci_dev *hdev = conn->hdev;
- struct link_key *key;
- u8 keybuf[HCI_AMP_LINK_KEY_SIZE];
- u8 gamp_key[HCI_AMP_LINK_KEY_SIZE];
- int err;
-
- if (!hci_conn_check_link_mode(conn))
- return -EACCES;
-
- BT_DBG("conn %p key_type %d", conn, conn->key_type);
-
- /* Legacy key */
- if (conn->key_type < 3) {
- bt_dev_err(hdev, "legacy key type %u", conn->key_type);
- return -EACCES;
- }
-
- *type = conn->key_type;
- *len = HCI_AMP_LINK_KEY_SIZE;
-
- key = hci_find_link_key(hdev, &conn->dst);
- if (!key) {
- BT_DBG("No Link key for conn %p dst %pMR", conn, &conn->dst);
- return -EACCES;
- }
-
- /* BR/EDR Link Key concatenated together with itself */
- memcpy(&keybuf[0], key->val, HCI_LINK_KEY_SIZE);
- memcpy(&keybuf[HCI_LINK_KEY_SIZE], key->val, HCI_LINK_KEY_SIZE);
-
- /* Derive Generic AMP Link Key (gamp) */
- err = hmac_sha256(keybuf, HCI_AMP_LINK_KEY_SIZE, "gamp", 4, gamp_key);
- if (err) {
- bt_dev_err(hdev, "could not derive Generic AMP Key: err %d", err);
- return err;
- }
-
- if (conn->key_type == HCI_LK_DEBUG_COMBINATION) {
- BT_DBG("Use Generic AMP Key (gamp)");
- memcpy(data, gamp_key, HCI_AMP_LINK_KEY_SIZE);
- return err;
- }
-
- /* Derive Dedicated AMP Link Key: "802b" is 802.11 PAL keyID */
- return hmac_sha256(gamp_key, HCI_AMP_LINK_KEY_SIZE, "802b", 4, data);
-}
-
-static void read_local_amp_assoc_complete(struct hci_dev *hdev, u8 status,
- u16 opcode, struct sk_buff *skb)
-{
- struct hci_rp_read_local_amp_assoc *rp = (void *)skb->data;
- struct amp_assoc *assoc = &hdev->loc_assoc;
- size_t rem_len, frag_len;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
-
- if (rp->status)
- goto send_rsp;
-
- frag_len = skb->len - sizeof(*rp);
- rem_len = __le16_to_cpu(rp->rem_len);
-
- if (rem_len > frag_len) {
- BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
-
- memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
- assoc->offset += frag_len;
-
- /* Read other fragments */
- amp_read_loc_assoc_frag(hdev, rp->phy_handle);
-
- return;
- }
-
- memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
- assoc->len = assoc->offset + rem_len;
- assoc->offset = 0;
-
-send_rsp:
- /* Send A2MP Rsp when all fragments are received */
- a2mp_send_getampassoc_rsp(hdev, rp->status);
- a2mp_send_create_phy_link_req(hdev, rp->status);
-}
-
-void amp_read_loc_assoc_frag(struct hci_dev *hdev, u8 phy_handle)
-{
- struct hci_cp_read_local_amp_assoc cp;
- struct amp_assoc *loc_assoc = &hdev->loc_assoc;
- struct hci_request req;
- int err;
-
- BT_DBG("%s handle %u", hdev->name, phy_handle);
-
- cp.phy_handle = phy_handle;
- cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
- cp.len_so_far = cpu_to_le16(loc_assoc->offset);
-
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
- err = hci_req_run_skb(&req, read_local_amp_assoc_complete);
- if (err < 0)
- a2mp_send_getampassoc_rsp(hdev, A2MP_STATUS_INVALID_CTRL_ID);
-}
-
-void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr)
-{
- struct hci_cp_read_local_amp_assoc cp;
- struct hci_request req;
- int err;
-
- memset(&hdev->loc_assoc, 0, sizeof(struct amp_assoc));
- memset(&cp, 0, sizeof(cp));
-
- cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
-
- set_bit(READ_LOC_AMP_ASSOC, &mgr->state);
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
- err = hci_req_run_skb(&req, read_local_amp_assoc_complete);
- if (err < 0)
- a2mp_send_getampassoc_rsp(hdev, A2MP_STATUS_INVALID_CTRL_ID);
-}
-
-void amp_read_loc_assoc_final_data(struct hci_dev *hdev,
- struct hci_conn *hcon)
-{
- struct hci_cp_read_local_amp_assoc cp;
- struct amp_mgr *mgr = hcon->amp_mgr;
- struct hci_request req;
- int err;
-
- if (!mgr)
- return;
-
- cp.phy_handle = hcon->handle;
- cp.len_so_far = cpu_to_le16(0);
- cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
-
- set_bit(READ_LOC_AMP_ASSOC_FINAL, &mgr->state);
-
- /* Read Local AMP Assoc final link information data */
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
- err = hci_req_run_skb(&req, read_local_amp_assoc_complete);
- if (err < 0)
- a2mp_send_getampassoc_rsp(hdev, A2MP_STATUS_INVALID_CTRL_ID);
-}
-
-static void write_remote_amp_assoc_complete(struct hci_dev *hdev, u8 status,
- u16 opcode, struct sk_buff *skb)
-{
- struct hci_rp_write_remote_amp_assoc *rp = (void *)skb->data;
-
- BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
- hdev->name, rp->status, rp->phy_handle);
-
- if (rp->status)
- return;
-
- amp_write_rem_assoc_continue(hdev, rp->phy_handle);
-}
-
-/* Write AMP Assoc data fragments, returns true with last fragment written*/
-static bool amp_write_rem_assoc_frag(struct hci_dev *hdev,
- struct hci_conn *hcon)
-{
- struct hci_cp_write_remote_amp_assoc *cp;
- struct amp_mgr *mgr = hcon->amp_mgr;
- struct amp_ctrl *ctrl;
- struct hci_request req;
- u16 frag_len, len;
-
- ctrl = amp_ctrl_lookup(mgr, hcon->remote_id);
- if (!ctrl)
- return false;
-
- if (!ctrl->assoc_rem_len) {
- BT_DBG("all fragments are written");
- ctrl->assoc_rem_len = ctrl->assoc_len;
- ctrl->assoc_len_so_far = 0;
-
- amp_ctrl_put(ctrl);
- return true;
- }
-
- frag_len = min_t(u16, 248, ctrl->assoc_rem_len);
- len = frag_len + sizeof(*cp);
-
- cp = kzalloc(len, GFP_KERNEL);
- if (!cp) {
- amp_ctrl_put(ctrl);
- return false;
- }
-
- BT_DBG("hcon %p ctrl %p frag_len %u assoc_len %u rem_len %u",
- hcon, ctrl, frag_len, ctrl->assoc_len, ctrl->assoc_rem_len);
-
- cp->phy_handle = hcon->handle;
- cp->len_so_far = cpu_to_le16(ctrl->assoc_len_so_far);
- cp->rem_len = cpu_to_le16(ctrl->assoc_rem_len);
- memcpy(cp->frag, ctrl->assoc, frag_len);
-
- ctrl->assoc_len_so_far += frag_len;
- ctrl->assoc_rem_len -= frag_len;
-
- amp_ctrl_put(ctrl);
-
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_WRITE_REMOTE_AMP_ASSOC, len, cp);
- hci_req_run_skb(&req, write_remote_amp_assoc_complete);
-
- kfree(cp);
-
- return false;
-}
-
-void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle)
-{
- struct hci_conn *hcon;
-
- BT_DBG("%s phy handle 0x%2.2x", hdev->name, handle);
-
- hcon = hci_conn_hash_lookup_handle(hdev, handle);
- if (!hcon)
- return;
-
- /* Send A2MP create phylink rsp when all fragments are written */
- if (amp_write_rem_assoc_frag(hdev, hcon))
- a2mp_send_create_phy_link_rsp(hdev, 0);
-}
-
-void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle)
-{
- struct hci_conn *hcon;
-
- BT_DBG("%s phy handle 0x%2.2x", hdev->name, handle);
-
- hcon = hci_conn_hash_lookup_handle(hdev, handle);
- if (!hcon)
- return;
-
- BT_DBG("%s phy handle 0x%2.2x hcon %p", hdev->name, handle, hcon);
-
- amp_write_rem_assoc_frag(hdev, hcon);
-}
-
-static void create_phylink_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- struct hci_cp_create_phy_link *cp;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
- if (!cp)
- return;
-
- hci_dev_lock(hdev);
-
- if (status) {
- struct hci_conn *hcon;
-
- hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
- if (hcon)
- hci_conn_del(hcon);
- } else {
- amp_write_remote_assoc(hdev, cp->phy_handle);
- }
-
- hci_dev_unlock(hdev);
-}
-
-void amp_create_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
- struct hci_conn *hcon)
-{
- struct hci_cp_create_phy_link cp;
- struct hci_request req;
-
- cp.phy_handle = hcon->handle;
-
- BT_DBG("%s hcon %p phy handle 0x%2.2x", hdev->name, hcon,
- hcon->handle);
-
- if (phylink_gen_key(mgr->l2cap_conn->hcon, cp.key, &cp.key_len,
- &cp.key_type)) {
- BT_DBG("Cannot create link key");
- return;
- }
-
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_CREATE_PHY_LINK, sizeof(cp), &cp);
- hci_req_run(&req, create_phylink_complete);
-}
-
-static void accept_phylink_complete(struct hci_dev *hdev, u8 status,
- u16 opcode)
-{
- struct hci_cp_accept_phy_link *cp;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- if (status)
- return;
-
- cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
- if (!cp)
- return;
-
- amp_write_remote_assoc(hdev, cp->phy_handle);
-}
-
-void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
- struct hci_conn *hcon)
-{
- struct hci_cp_accept_phy_link cp;
- struct hci_request req;
-
- cp.phy_handle = hcon->handle;
-
- BT_DBG("%s hcon %p phy handle 0x%2.2x", hdev->name, hcon,
- hcon->handle);
-
- if (phylink_gen_key(mgr->l2cap_conn->hcon, cp.key, &cp.key_len,
- &cp.key_type)) {
- BT_DBG("Cannot create link key");
- return;
- }
-
- hci_req_init(&req, hdev);
- hci_req_add(&req, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp);
- hci_req_run(&req, accept_phylink_complete);
-}
-
-void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon)
-{
- struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev);
- struct amp_mgr *mgr = hs_hcon->amp_mgr;
- struct l2cap_chan *bredr_chan;
-
- BT_DBG("bredr_hcon %p hs_hcon %p mgr %p", bredr_hcon, hs_hcon, mgr);
-
- if (!bredr_hdev || !mgr || !mgr->bredr_chan)
- return;
-
- bredr_chan = mgr->bredr_chan;
-
- l2cap_chan_lock(bredr_chan);
-
- set_bit(FLAG_EFS_ENABLE, &bredr_chan->flags);
- bredr_chan->remote_amp_id = hs_hcon->remote_id;
- bredr_chan->local_amp_id = hs_hcon->hdev->id;
- bredr_chan->hs_hcon = hs_hcon;
- bredr_chan->conn->mtu = hs_hcon->hdev->block_mtu;
-
- __l2cap_physical_cfm(bredr_chan, 0);
-
- l2cap_chan_unlock(bredr_chan);
-
- hci_dev_put(bredr_hdev);
-}
-
-void amp_create_logical_link(struct l2cap_chan *chan)
-{
- struct hci_conn *hs_hcon = chan->hs_hcon;
- struct hci_cp_create_accept_logical_link cp;
- struct hci_dev *hdev;
-
- BT_DBG("chan %p hs_hcon %p dst %pMR", chan, hs_hcon,
- &chan->conn->hcon->dst);
-
- if (!hs_hcon)
- return;
-
- hdev = hci_dev_hold(chan->hs_hcon->hdev);
- if (!hdev)
- return;
-
- cp.phy_handle = hs_hcon->handle;
-
- cp.tx_flow_spec.id = chan->local_id;
- cp.tx_flow_spec.stype = chan->local_stype;
- cp.tx_flow_spec.msdu = cpu_to_le16(chan->local_msdu);
- cp.tx_flow_spec.sdu_itime = cpu_to_le32(chan->local_sdu_itime);
- cp.tx_flow_spec.acc_lat = cpu_to_le32(chan->local_acc_lat);
- cp.tx_flow_spec.flush_to = cpu_to_le32(chan->local_flush_to);
-
- cp.rx_flow_spec.id = chan->remote_id;
- cp.rx_flow_spec.stype = chan->remote_stype;
- cp.rx_flow_spec.msdu = cpu_to_le16(chan->remote_msdu);
- cp.rx_flow_spec.sdu_itime = cpu_to_le32(chan->remote_sdu_itime);
- cp.rx_flow_spec.acc_lat = cpu_to_le32(chan->remote_acc_lat);
- cp.rx_flow_spec.flush_to = cpu_to_le32(chan->remote_flush_to);
-
- if (hs_hcon->out)
- hci_send_cmd(hdev, HCI_OP_CREATE_LOGICAL_LINK, sizeof(cp),
- &cp);
- else
- hci_send_cmd(hdev, HCI_OP_ACCEPT_LOGICAL_LINK, sizeof(cp),
- &cp);
-
- hci_dev_put(hdev);
-}
-
-void amp_disconnect_logical_link(struct hci_chan *hchan)
-{
- struct hci_conn *hcon = hchan->conn;
- struct hci_cp_disconn_logical_link cp;
-
- if (hcon->state != BT_CONNECTED) {
- BT_DBG("hchan %p not connected", hchan);
- return;
- }
-
- cp.log_handle = cpu_to_le16(hchan->handle);
- hci_send_cmd(hcon->hdev, HCI_OP_DISCONN_LOGICAL_LINK, sizeof(cp), &cp);
-}
-
-void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason)
-{
- BT_DBG("hchan %p", hchan);
-
- hci_chan_del(hchan);
-}
diff --git a/net/bluetooth/amp.h b/net/bluetooth/amp.h
deleted file mode 100644
index 97c87abd129f..000000000000
--- a/net/bluetooth/amp.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- Copyright (c) 2011,2012 Intel Corp.
-
-*/
-
-#ifndef __AMP_H
-#define __AMP_H
-
-struct amp_ctrl {
- struct list_head list;
- struct kref kref;
- __u8 id;
- __u16 assoc_len_so_far;
- __u16 assoc_rem_len;
- __u16 assoc_len;
- __u8 *assoc;
-};
-
-int amp_ctrl_put(struct amp_ctrl *ctrl);
-void amp_ctrl_get(struct amp_ctrl *ctrl);
-struct amp_ctrl *amp_ctrl_add(struct amp_mgr *mgr, u8 id);
-struct amp_ctrl *amp_ctrl_lookup(struct amp_mgr *mgr, u8 id);
-void amp_ctrl_list_flush(struct amp_mgr *mgr);
-
-struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr,
- u8 remote_id, bool out);
-
-int phylink_gen_key(struct hci_conn *hcon, u8 *data, u8 *len, u8 *type);
-
-void amp_read_loc_assoc_frag(struct hci_dev *hdev, u8 phy_handle);
-void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr);
-void amp_read_loc_assoc_final_data(struct hci_dev *hdev,
- struct hci_conn *hcon);
-void amp_create_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
- struct hci_conn *hcon);
-void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
- struct hci_conn *hcon);
-
-#if IS_ENABLED(CONFIG_BT_HS)
-void amp_create_logical_link(struct l2cap_chan *chan);
-void amp_disconnect_logical_link(struct hci_chan *hchan);
-#else
-static inline void amp_create_logical_link(struct l2cap_chan *chan)
-{
-}
-
-static inline void amp_disconnect_logical_link(struct hci_chan *hchan)
-{
-}
-#endif
-
-void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle);
-void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle);
-void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon);
-void amp_create_logical_link(struct l2cap_chan *chan);
-void amp_disconnect_logical_link(struct hci_chan *hchan);
-void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason);
-
-#endif /* __AMP_H */
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index a41d2693f4d8..fc4d72f83ac2 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -36,7 +36,6 @@

#include "hci_request.h"
#include "smp.h"
-#include "a2mp.h"
#include "eir.h"

struct sco_param {
@@ -1175,9 +1174,6 @@ void hci_conn_del(struct hci_conn *conn)
}
}

- if (conn->amp_mgr)
- amp_mgr_put(conn->amp_mgr);
-
skb_queue_purge(&conn->data_q);

/* Remove the connection from the list and cleanup its remaining
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 48ba9f9e0b74..db16c3aff397 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -36,8 +36,6 @@
#include "hci_request.h"
#include "hci_debugfs.h"
#include "hci_codec.h"
-#include "a2mp.h"
-#include "amp.h"
#include "smp.h"
#include "msft.h"
#include "eir.h"
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 656f49b299d2..ab5a9d42fae7 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -39,8 +39,6 @@
#include <net/bluetooth/l2cap.h>

#include "smp.h"
-#include "a2mp.h"
-#include "amp.h"

#define LE_FLOWCTL_MAX_CREDITS 65535

@@ -167,24 +165,6 @@ static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn,
return NULL;
}

-static struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn,
- u8 ident)
-{
- struct l2cap_chan *c;
-
- mutex_lock(&conn->chan_lock);
- c = __l2cap_get_chan_by_ident(conn, ident);
- if (c) {
- /* Only lock if chan reference is not 0 */
- c = l2cap_chan_hold_unless_zero(c);
- if (c)
- l2cap_chan_lock(c);
- }
- mutex_unlock(&conn->chan_lock);
-
- return c;
-}
-
static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src,
u8 src_type)
{
@@ -651,7 +631,6 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
chan->ops->teardown(chan, err);

if (conn) {
- struct amp_mgr *mgr = conn->hcon->amp_mgr;
/* Delete from channel list */
list_del(&chan->list);

@@ -666,16 +645,6 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
if (chan->chan_type != L2CAP_CHAN_FIXED ||
test_bit(FLAG_HOLD_HCI_CONN, &chan->flags))
hci_conn_drop(conn->hcon);
-
- if (mgr && mgr->bredr_chan == chan)
- mgr->bredr_chan = NULL;
- }
-
- if (chan->hs_hchan) {
- struct hci_chan *hs_hchan = chan->hs_hchan;
-
- BT_DBG("chan %p disconnect hs_hchan %p", chan, hs_hchan);
- amp_disconnect_logical_link(hs_hchan);
}

if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
@@ -977,12 +946,6 @@ static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
hci_send_acl(conn->hchan, skb, flags);
}

-static bool __chan_is_moving(struct l2cap_chan *chan)
-{
- return chan->move_state != L2CAP_MOVE_STABLE &&
- chan->move_state != L2CAP_MOVE_WAIT_PREPARE;
-}
-
static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
{
struct hci_conn *hcon = chan->conn->hcon;
@@ -991,15 +954,6 @@ static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len,
skb->priority);

- if (chan->hs_hcon && !__chan_is_moving(chan)) {
- if (chan->hs_hchan)
- hci_send_acl(chan->hs_hchan, skb, ACL_COMPLETE);
- else
- kfree_skb(skb);
-
- return;
- }
-
/* Use NO_FLUSH for LE links (where this is the only option) or
* if the BR/EDR link supports it and flushing has not been
* explicitly requested (through FLAG_FLUSHABLE).
@@ -1180,9 +1134,6 @@ static void l2cap_send_sframe(struct l2cap_chan *chan,
if (!control->sframe)
return;

- if (__chan_is_moving(chan))
- return;
-
if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state) &&
!control->poll)
control->final = 1;
@@ -1237,40 +1188,6 @@ static inline int __l2cap_no_conn_pending(struct l2cap_chan *chan)
return !test_bit(CONF_CONNECT_PEND, &chan->conf_state);
}

-static bool __amp_capable(struct l2cap_chan *chan)
-{
- struct l2cap_conn *conn = chan->conn;
- struct hci_dev *hdev;
- bool amp_available = false;
-
- if (!(conn->local_fixed_chan & L2CAP_FC_A2MP))
- return false;
-
- if (!(conn->remote_fixed_chan & L2CAP_FC_A2MP))
- return false;
-
- read_lock(&hci_dev_list_lock);
- list_for_each_entry(hdev, &hci_dev_list, list) {
- if (hdev->amp_type != AMP_TYPE_BREDR &&
- test_bit(HCI_UP, &hdev->flags)) {
- amp_available = true;
- break;
- }
- }
- read_unlock(&hci_dev_list_lock);
-
- if (chan->chan_policy == BT_CHANNEL_POLICY_AMP_PREFERRED)
- return amp_available;
-
- return false;
-}
-
-static bool l2cap_check_efs(struct l2cap_chan *chan)
-{
- /* Check EFS parameters */
- return true;
-}
-
void l2cap_send_conn_req(struct l2cap_chan *chan)
{
struct l2cap_conn *conn = chan->conn;
@@ -1286,76 +1203,6 @@ void l2cap_send_conn_req(struct l2cap_chan *chan)
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ, sizeof(req), &req);
}

-static void l2cap_send_create_chan_req(struct l2cap_chan *chan, u8 amp_id)
-{
- struct l2cap_create_chan_req req;
- req.scid = cpu_to_le16(chan->scid);
- req.psm = chan->psm;
- req.amp_id = amp_id;
-
- chan->ident = l2cap_get_ident(chan->conn);
-
- l2cap_send_cmd(chan->conn, chan->ident, L2CAP_CREATE_CHAN_REQ,
- sizeof(req), &req);
-}
-
-static void l2cap_move_setup(struct l2cap_chan *chan)
-{
- struct sk_buff *skb;
-
- BT_DBG("chan %p", chan);
-
- if (chan->mode != L2CAP_MODE_ERTM)
- return;
-
- __clear_retrans_timer(chan);
- __clear_monitor_timer(chan);
- __clear_ack_timer(chan);
-
- chan->retry_count = 0;
- skb_queue_walk(&chan->tx_q, skb) {
- if (bt_cb(skb)->l2cap.retries)
- bt_cb(skb)->l2cap.retries = 1;
- else
- break;
- }
-
- chan->expected_tx_seq = chan->buffer_seq;
-
- clear_bit(CONN_REJ_ACT, &chan->conn_state);
- clear_bit(CONN_SREJ_ACT, &chan->conn_state);
- l2cap_seq_list_clear(&chan->retrans_list);
- l2cap_seq_list_clear(&chan->srej_list);
- skb_queue_purge(&chan->srej_q);
-
- chan->tx_state = L2CAP_TX_STATE_XMIT;
- chan->rx_state = L2CAP_RX_STATE_MOVE;
-
- set_bit(CONN_REMOTE_BUSY, &chan->conn_state);
-}
-
-static void l2cap_move_done(struct l2cap_chan *chan)
-{
- u8 move_role = chan->move_role;
- BT_DBG("chan %p", chan);
-
- chan->move_state = L2CAP_MOVE_STABLE;
- chan->move_role = L2CAP_MOVE_ROLE_NONE;
-
- if (chan->mode != L2CAP_MODE_ERTM)
- return;
-
- switch (move_role) {
- case L2CAP_MOVE_ROLE_INITIATOR:
- l2cap_tx(chan, NULL, NULL, L2CAP_EV_EXPLICIT_POLL);
- chan->rx_state = L2CAP_RX_STATE_WAIT_F;
- break;
- case L2CAP_MOVE_ROLE_RESPONDER:
- chan->rx_state = L2CAP_RX_STATE_WAIT_P;
- break;
- }
-}
-
static void l2cap_chan_ready(struct l2cap_chan *chan)
{
/* The channel may have already been flagged as connected in
@@ -1505,10 +1352,7 @@ static void l2cap_le_start(struct l2cap_chan *chan)

static void l2cap_start_connection(struct l2cap_chan *chan)
{
- if (__amp_capable(chan)) {
- BT_DBG("chan %p AMP capable: discover AMPs", chan);
- a2mp_discover_amp(chan);
- } else if (chan->conn->hcon->type == LE_LINK) {
+ if (chan->conn->hcon->type == LE_LINK) {
l2cap_le_start(chan);
} else {
l2cap_send_conn_req(chan);
@@ -1611,11 +1455,6 @@ static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err)
__clear_ack_timer(chan);
}

- if (chan->scid == L2CAP_CID_A2MP) {
- l2cap_state_change(chan, BT_DISCONN);
- return;
- }
-
req.dcid = cpu_to_le16(chan->dcid);
req.scid = cpu_to_le16(chan->scid);
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_DISCONN_REQ,
@@ -1754,11 +1593,6 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)

l2cap_chan_lock(chan);

- if (chan->scid == L2CAP_CID_A2MP) {
- l2cap_chan_unlock(chan);
- continue;
- }
-
if (hcon->type == LE_LINK) {
l2cap_le_start(chan);
} else if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
@@ -2067,9 +1901,6 @@ static void l2cap_streaming_send(struct l2cap_chan *chan,

BT_DBG("chan %p, skbs %p", chan, skbs);

- if (__chan_is_moving(chan))
- return;
-
skb_queue_splice_tail_init(skbs, &chan->tx_q);

while (!skb_queue_empty(&chan->tx_q)) {
@@ -2112,9 +1943,6 @@ static int l2cap_ertm_send(struct l2cap_chan *chan)
if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state))
return 0;

- if (__chan_is_moving(chan))
- return 0;
-
while (chan->tx_send_head &&
chan->unacked_frames < chan->remote_tx_win &&
chan->tx_state == L2CAP_TX_STATE_XMIT) {
@@ -2180,9 +2008,6 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan)
if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state))
return;

- if (__chan_is_moving(chan))
- return;
-
while (chan->retrans_list.head != L2CAP_SEQ_LIST_CLEAR) {
seq = l2cap_seq_list_pop(&chan->retrans_list);

@@ -2522,8 +2347,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan,
pdu_len = chan->conn->mtu;

/* Constrain PDU size for BR/EDR connections */
- if (!chan->hs_hcon)
- pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD);
+ pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD);

/* Adjust for largest possible L2CAP overhead. */
if (chan->fcs)
@@ -3287,11 +3111,6 @@ int l2cap_ertm_init(struct l2cap_chan *chan)

skb_queue_head_init(&chan->tx_q);

- chan->local_amp_id = AMP_ID_BREDR;
- chan->move_id = AMP_ID_BREDR;
- chan->move_state = L2CAP_MOVE_STABLE;
- chan->move_role = L2CAP_MOVE_ROLE_NONE;
-
if (chan->mode != L2CAP_MODE_ERTM)
return 0;

@@ -3326,52 +3145,19 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)

static inline bool __l2cap_ews_supported(struct l2cap_conn *conn)
{
- return ((conn->local_fixed_chan & L2CAP_FC_A2MP) &&
- (conn->feat_mask & L2CAP_FEAT_EXT_WINDOW));
+ return (conn->feat_mask & L2CAP_FEAT_EXT_WINDOW);
}

static inline bool __l2cap_efs_supported(struct l2cap_conn *conn)
{
- return ((conn->local_fixed_chan & L2CAP_FC_A2MP) &&
- (conn->feat_mask & L2CAP_FEAT_EXT_FLOW));
+ return (conn->feat_mask & L2CAP_FEAT_EXT_FLOW);
}

static void __l2cap_set_ertm_timeouts(struct l2cap_chan *chan,
struct l2cap_conf_rfc *rfc)
{
- if (chan->local_amp_id != AMP_ID_BREDR && chan->hs_hcon) {
- u64 ertm_to = chan->hs_hcon->hdev->amp_be_flush_to;
-
- /* Class 1 devices have must have ERTM timeouts
- * exceeding the Link Supervision Timeout. The
- * default Link Supervision Timeout for AMP
- * controllers is 10 seconds.
- *
- * Class 1 devices use 0xffffffff for their
- * best-effort flush timeout, so the clamping logic
- * will result in a timeout that meets the above
- * requirement. ERTM timeouts are 16-bit values, so
- * the maximum timeout is 65.535 seconds.
- */
-
- /* Convert timeout to milliseconds and round */
- ertm_to = DIV_ROUND_UP_ULL(ertm_to, 1000);
-
- /* This is the recommended formula for class 2 devices
- * that start ERTM timers when packets are sent to the
- * controller.
- */
- ertm_to = 3 * ertm_to + 500;
-
- if (ertm_to > 0xffff)
- ertm_to = 0xffff;
-
- rfc->retrans_timeout = cpu_to_le16((u16) ertm_to);
- rfc->monitor_timeout = rfc->retrans_timeout;
- } else {
- rfc->retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
- rfc->monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
- }
+ rfc->retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+ rfc->monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
}

static inline void l2cap_txwin_setup(struct l2cap_chan *chan)
@@ -3623,13 +3409,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
case L2CAP_CONF_EWS:
if (olen != 2)
break;
- if (!(chan->conn->local_fixed_chan & L2CAP_FC_A2MP))
- return -ECONNREFUSED;
- set_bit(FLAG_EXT_CTRL, &chan->flags);
- set_bit(CONF_EWS_RECV, &chan->conf_state);
- chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
- chan->remote_tx_win = val;
- break;
+ return -ECONNREFUSED;

default:
if (hint)
@@ -4027,11 +3807,7 @@ void __l2cap_connect_rsp_defer(struct l2cap_chan *chan)
rsp.dcid = cpu_to_le16(chan->scid);
rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
-
- if (chan->hs_hcon)
- rsp_code = L2CAP_CREATE_CHAN_RSP;
- else
- rsp_code = L2CAP_CONN_RSP;
+ rsp_code = L2CAP_CONN_RSP;

BT_DBG("chan %p rsp_code %u", chan, rsp_code);

@@ -4190,7 +3966,6 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
chan->dst_type = bdaddr_dst_type(conn->hcon);
chan->psm = psm;
chan->dcid = scid;
- chan->local_amp_id = amp_id;

__l2cap_chan_add(conn, chan);

@@ -4516,10 +4291,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,
/* check compatibility */

/* Send rsp for BR/EDR channel */
- if (!chan->hs_hcon)
- l2cap_send_efs_conf_rsp(chan, rsp, cmd->ident, flags);
- else
- chan->ident = cmd->ident;
+ l2cap_send_efs_conf_rsp(chan, rsp, cmd->ident, flags);
}

unlock:
@@ -4571,15 +4343,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn,
goto done;
}

- if (!chan->hs_hcon) {
- l2cap_send_efs_conf_rsp(chan, buf, cmd->ident,
- 0);
- } else {
- if (l2cap_check_efs(chan)) {
- amp_create_logical_link(chan);
- chan->ident = cmd->ident;
- }
- }
+ l2cap_send_efs_conf_rsp(chan, buf, cmd->ident, 0);
}
goto done;

@@ -4750,9 +4514,6 @@ static inline int l2cap_information_req(struct l2cap_conn *conn,
if (!disable_ertm)
feat_mask |= L2CAP_FEAT_ERTM | L2CAP_FEAT_STREAMING
| L2CAP_FEAT_FCS;
- if (conn->local_fixed_chan & L2CAP_FC_A2MP)
- feat_mask |= L2CAP_FEAT_EXT_FLOW
- | L2CAP_FEAT_EXT_WINDOW;

put_unaligned_le32(feat_mask, rsp->data);
l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf),
@@ -4841,751 +4602,6 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn,
return 0;
}

-static int l2cap_create_channel_req(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
-{
- struct l2cap_create_chan_req *req = data;
- struct l2cap_create_chan_rsp rsp;
- struct l2cap_chan *chan;
- struct hci_dev *hdev;
- u16 psm, scid;
-
- if (cmd_len != sizeof(*req))
- return -EPROTO;
-
- if (!(conn->local_fixed_chan & L2CAP_FC_A2MP))
- return -EINVAL;
-
- psm = le16_to_cpu(req->psm);
- scid = le16_to_cpu(req->scid);
-
- BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id);
-
- /* For controller id 0 make BR/EDR connection */
- if (req->amp_id == AMP_ID_BREDR) {
- l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,
- req->amp_id);
- return 0;
- }
-
- /* Validate AMP controller id */
- hdev = hci_dev_get(req->amp_id);
- if (!hdev)
- goto error;
-
- if (hdev->dev_type != HCI_AMP || !test_bit(HCI_UP, &hdev->flags)) {
- hci_dev_put(hdev);
- goto error;
- }
-
- chan = l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP,
- req->amp_id);
- if (chan) {
- struct amp_mgr *mgr = conn->hcon->amp_mgr;
- struct hci_conn *hs_hcon;
-
- hs_hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK,
- &conn->hcon->dst);
- if (!hs_hcon) {
- hci_dev_put(hdev);
- cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
- chan->dcid);
- return 0;
- }
-
- BT_DBG("mgr %p bredr_chan %p hs_hcon %p", mgr, chan, hs_hcon);
-
- mgr->bredr_chan = chan;
- chan->hs_hcon = hs_hcon;
- chan->fcs = L2CAP_FCS_NONE;
- conn->mtu = hdev->block_mtu;
- }
-
- hci_dev_put(hdev);
-
- return 0;
-
-error:
- rsp.dcid = 0;
- rsp.scid = cpu_to_le16(scid);
- rsp.result = cpu_to_le16(L2CAP_CR_BAD_AMP);
- rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
-
- l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP,
- sizeof(rsp), &rsp);
-
- return 0;
-}
-
-static void l2cap_send_move_chan_req(struct l2cap_chan *chan, u8 dest_amp_id)
-{
- struct l2cap_move_chan_req req;
- u8 ident;
-
- BT_DBG("chan %p, dest_amp_id %d", chan, dest_amp_id);
-
- ident = l2cap_get_ident(chan->conn);
- chan->ident = ident;
-
- req.icid = cpu_to_le16(chan->scid);
- req.dest_amp_id = dest_amp_id;
-
- l2cap_send_cmd(chan->conn, ident, L2CAP_MOVE_CHAN_REQ, sizeof(req),
- &req);
-
- __set_chan_timer(chan, L2CAP_MOVE_TIMEOUT);
-}
-
-static void l2cap_send_move_chan_rsp(struct l2cap_chan *chan, u16 result)
-{
- struct l2cap_move_chan_rsp rsp;
-
- BT_DBG("chan %p, result 0x%4.4x", chan, result);
-
- rsp.icid = cpu_to_le16(chan->dcid);
- rsp.result = cpu_to_le16(result);
-
- l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_RSP,
- sizeof(rsp), &rsp);
-}
-
-static void l2cap_send_move_chan_cfm(struct l2cap_chan *chan, u16 result)
-{
- struct l2cap_move_chan_cfm cfm;
-
- BT_DBG("chan %p, result 0x%4.4x", chan, result);
-
- chan->ident = l2cap_get_ident(chan->conn);
-
- cfm.icid = cpu_to_le16(chan->scid);
- cfm.result = cpu_to_le16(result);
-
- l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_CFM,
- sizeof(cfm), &cfm);
-
- __set_chan_timer(chan, L2CAP_MOVE_TIMEOUT);
-}
-
-static void l2cap_send_move_chan_cfm_icid(struct l2cap_conn *conn, u16 icid)
-{
- struct l2cap_move_chan_cfm cfm;
-
- BT_DBG("conn %p, icid 0x%4.4x", conn, icid);
-
- cfm.icid = cpu_to_le16(icid);
- cfm.result = cpu_to_le16(L2CAP_MC_UNCONFIRMED);
-
- l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_MOVE_CHAN_CFM,
- sizeof(cfm), &cfm);
-}
-
-static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident,
- u16 icid)
-{
- struct l2cap_move_chan_cfm_rsp rsp;
-
- BT_DBG("icid 0x%4.4x", icid);
-
- rsp.icid = cpu_to_le16(icid);
- l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp);
-}
-
-static void __release_logical_link(struct l2cap_chan *chan)
-{
- chan->hs_hchan = NULL;
- chan->hs_hcon = NULL;
-
- /* Placeholder - release the logical link */
-}
-
-static void l2cap_logical_fail(struct l2cap_chan *chan)
-{
- /* Logical link setup failed */
- if (chan->state != BT_CONNECTED) {
- /* Create channel failure, disconnect */
- l2cap_send_disconn_req(chan, ECONNRESET);
- return;
- }
-
- switch (chan->move_role) {
- case L2CAP_MOVE_ROLE_RESPONDER:
- l2cap_move_done(chan);
- l2cap_send_move_chan_rsp(chan, L2CAP_MR_NOT_SUPP);
- break;
- case L2CAP_MOVE_ROLE_INITIATOR:
- if (chan->move_state == L2CAP_MOVE_WAIT_LOGICAL_COMP ||
- chan->move_state == L2CAP_MOVE_WAIT_LOGICAL_CFM) {
- /* Remote has only sent pending or
- * success responses, clean up
- */
- l2cap_move_done(chan);
- }
-
- /* Other amp move states imply that the move
- * has already aborted
- */
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
- break;
- }
-}
-
-static void l2cap_logical_finish_create(struct l2cap_chan *chan,
- struct hci_chan *hchan)
-{
- struct l2cap_conf_rsp rsp;
-
- chan->hs_hchan = hchan;
- chan->hs_hcon->l2cap_data = chan->conn;
-
- l2cap_send_efs_conf_rsp(chan, &rsp, chan->ident, 0);
-
- if (test_bit(CONF_INPUT_DONE, &chan->conf_state)) {
- int err;
-
- set_default_fcs(chan);
-
- err = l2cap_ertm_init(chan);
- if (err < 0)
- l2cap_send_disconn_req(chan, -err);
- else
- l2cap_chan_ready(chan);
- }
-}
-
-static void l2cap_logical_finish_move(struct l2cap_chan *chan,
- struct hci_chan *hchan)
-{
- chan->hs_hcon = hchan->conn;
- chan->hs_hcon->l2cap_data = chan->conn;
-
- BT_DBG("move_state %d", chan->move_state);
-
- switch (chan->move_state) {
- case L2CAP_MOVE_WAIT_LOGICAL_COMP:
- /* Move confirm will be sent after a success
- * response is received
- */
- chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS;
- break;
- case L2CAP_MOVE_WAIT_LOGICAL_CFM:
- if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
- chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY;
- } else if (chan->move_role == L2CAP_MOVE_ROLE_INITIATOR) {
- chan->move_state = L2CAP_MOVE_WAIT_CONFIRM_RSP;
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED);
- } else if (chan->move_role == L2CAP_MOVE_ROLE_RESPONDER) {
- chan->move_state = L2CAP_MOVE_WAIT_CONFIRM;
- l2cap_send_move_chan_rsp(chan, L2CAP_MR_SUCCESS);
- }
- break;
- default:
- /* Move was not in expected state, free the channel */
- __release_logical_link(chan);
-
- chan->move_state = L2CAP_MOVE_STABLE;
- }
-}
-
-/* Call with chan locked */
-void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan,
- u8 status)
-{
- BT_DBG("chan %p, hchan %p, status %d", chan, hchan, status);
-
- if (status) {
- l2cap_logical_fail(chan);
- __release_logical_link(chan);
- return;
- }
-
- if (chan->state != BT_CONNECTED) {
- /* Ignore logical link if channel is on BR/EDR */
- if (chan->local_amp_id != AMP_ID_BREDR)
- l2cap_logical_finish_create(chan, hchan);
- } else {
- l2cap_logical_finish_move(chan, hchan);
- }
-}
-
-void l2cap_move_start(struct l2cap_chan *chan)
-{
- BT_DBG("chan %p", chan);
-
- if (chan->local_amp_id == AMP_ID_BREDR) {
- if (chan->chan_policy != BT_CHANNEL_POLICY_AMP_PREFERRED)
- return;
- chan->move_role = L2CAP_MOVE_ROLE_INITIATOR;
- chan->move_state = L2CAP_MOVE_WAIT_PREPARE;
- /* Placeholder - start physical link setup */
- } else {
- chan->move_role = L2CAP_MOVE_ROLE_INITIATOR;
- chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS;
- chan->move_id = 0;
- l2cap_move_setup(chan);
- l2cap_send_move_chan_req(chan, 0);
- }
-}
-
-static void l2cap_do_create(struct l2cap_chan *chan, int result,
- u8 local_amp_id, u8 remote_amp_id)
-{
- BT_DBG("chan %p state %s %u -> %u", chan, state_to_string(chan->state),
- local_amp_id, remote_amp_id);
-
- chan->fcs = L2CAP_FCS_NONE;
-
- /* Outgoing channel on AMP */
- if (chan->state == BT_CONNECT) {
- if (result == L2CAP_CR_SUCCESS) {
- chan->local_amp_id = local_amp_id;
- l2cap_send_create_chan_req(chan, remote_amp_id);
- } else {
- /* Revert to BR/EDR connect */
- l2cap_send_conn_req(chan);
- }
-
- return;
- }
-
- /* Incoming channel on AMP */
- if (__l2cap_no_conn_pending(chan)) {
- struct l2cap_conn_rsp rsp;
- char buf[128];
- rsp.scid = cpu_to_le16(chan->dcid);
- rsp.dcid = cpu_to_le16(chan->scid);
-
- if (result == L2CAP_CR_SUCCESS) {
- /* Send successful response */
- rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
- rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
- } else {
- /* Send negative response */
- rsp.result = cpu_to_le16(L2CAP_CR_NO_MEM);
- rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
- }
-
- l2cap_send_cmd(chan->conn, chan->ident, L2CAP_CREATE_CHAN_RSP,
- sizeof(rsp), &rsp);
-
- if (result == L2CAP_CR_SUCCESS) {
- l2cap_state_change(chan, BT_CONFIG);
- set_bit(CONF_REQ_SENT, &chan->conf_state);
- l2cap_send_cmd(chan->conn, l2cap_get_ident(chan->conn),
- L2CAP_CONF_REQ,
- l2cap_build_conf_req(chan, buf, sizeof(buf)), buf);
- chan->num_conf_req++;
- }
- }
-}
-
-static void l2cap_do_move_initiate(struct l2cap_chan *chan, u8 local_amp_id,
- u8 remote_amp_id)
-{
- l2cap_move_setup(chan);
- chan->move_id = local_amp_id;
- chan->move_state = L2CAP_MOVE_WAIT_RSP;
-
- l2cap_send_move_chan_req(chan, remote_amp_id);
-}
-
-static void l2cap_do_move_respond(struct l2cap_chan *chan, int result)
-{
- struct hci_chan *hchan = NULL;
-
- /* Placeholder - get hci_chan for logical link */
-
- if (hchan) {
- if (hchan->state == BT_CONNECTED) {
- /* Logical link is ready to go */
- chan->hs_hcon = hchan->conn;
- chan->hs_hcon->l2cap_data = chan->conn;
- chan->move_state = L2CAP_MOVE_WAIT_CONFIRM;
- l2cap_send_move_chan_rsp(chan, L2CAP_MR_SUCCESS);
-
- l2cap_logical_cfm(chan, hchan, L2CAP_MR_SUCCESS);
- } else {
- /* Wait for logical link to be ready */
- chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM;
- }
- } else {
- /* Logical link not available */
- l2cap_send_move_chan_rsp(chan, L2CAP_MR_NOT_ALLOWED);
- }
-}
-
-static void l2cap_do_move_cancel(struct l2cap_chan *chan, int result)
-{
- if (chan->move_role == L2CAP_MOVE_ROLE_RESPONDER) {
- u8 rsp_result;
- if (result == -EINVAL)
- rsp_result = L2CAP_MR_BAD_ID;
- else
- rsp_result = L2CAP_MR_NOT_ALLOWED;
-
- l2cap_send_move_chan_rsp(chan, rsp_result);
- }
-
- chan->move_role = L2CAP_MOVE_ROLE_NONE;
- chan->move_state = L2CAP_MOVE_STABLE;
-
- /* Restart data transmission */
- l2cap_ertm_send(chan);
-}
-
-/* Invoke with locked chan */
-void __l2cap_physical_cfm(struct l2cap_chan *chan, int result)
-{
- u8 local_amp_id = chan->local_amp_id;
- u8 remote_amp_id = chan->remote_amp_id;
-
- BT_DBG("chan %p, result %d, local_amp_id %d, remote_amp_id %d",
- chan, result, local_amp_id, remote_amp_id);
-
- if (chan->state == BT_DISCONN || chan->state == BT_CLOSED)
- return;
-
- if (chan->state != BT_CONNECTED) {
- l2cap_do_create(chan, result, local_amp_id, remote_amp_id);
- } else if (result != L2CAP_MR_SUCCESS) {
- l2cap_do_move_cancel(chan, result);
- } else {
- switch (chan->move_role) {
- case L2CAP_MOVE_ROLE_INITIATOR:
- l2cap_do_move_initiate(chan, local_amp_id,
- remote_amp_id);
- break;
- case L2CAP_MOVE_ROLE_RESPONDER:
- l2cap_do_move_respond(chan, result);
- break;
- default:
- l2cap_do_move_cancel(chan, result);
- break;
- }
- }
-}
-
-static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
-{
- struct l2cap_move_chan_req *req = data;
- struct l2cap_move_chan_rsp rsp;
- struct l2cap_chan *chan;
- u16 icid = 0;
- u16 result = L2CAP_MR_NOT_ALLOWED;
-
- if (cmd_len != sizeof(*req))
- return -EPROTO;
-
- icid = le16_to_cpu(req->icid);
-
- BT_DBG("icid 0x%4.4x, dest_amp_id %d", icid, req->dest_amp_id);
-
- if (!(conn->local_fixed_chan & L2CAP_FC_A2MP))
- return -EINVAL;
-
- chan = l2cap_get_chan_by_dcid(conn, icid);
- if (!chan) {
- rsp.icid = cpu_to_le16(icid);
- rsp.result = cpu_to_le16(L2CAP_MR_NOT_ALLOWED);
- l2cap_send_cmd(conn, cmd->ident, L2CAP_MOVE_CHAN_RSP,
- sizeof(rsp), &rsp);
- return 0;
- }
-
- chan->ident = cmd->ident;
-
- if (chan->scid < L2CAP_CID_DYN_START ||
- chan->chan_policy == BT_CHANNEL_POLICY_BREDR_ONLY ||
- (chan->mode != L2CAP_MODE_ERTM &&
- chan->mode != L2CAP_MODE_STREAMING)) {
- result = L2CAP_MR_NOT_ALLOWED;
- goto send_move_response;
- }
-
- if (chan->local_amp_id == req->dest_amp_id) {
- result = L2CAP_MR_SAME_ID;
- goto send_move_response;
- }
-
- if (req->dest_amp_id != AMP_ID_BREDR) {
- struct hci_dev *hdev;
- hdev = hci_dev_get(req->dest_amp_id);
- if (!hdev || hdev->dev_type != HCI_AMP ||
- !test_bit(HCI_UP, &hdev->flags)) {
- if (hdev)
- hci_dev_put(hdev);
-
- result = L2CAP_MR_BAD_ID;
- goto send_move_response;
- }
- hci_dev_put(hdev);
- }
-
- /* Detect a move collision. Only send a collision response
- * if this side has "lost", otherwise proceed with the move.
- * The winner has the larger bd_addr.
- */
- if ((__chan_is_moving(chan) ||
- chan->move_role != L2CAP_MOVE_ROLE_NONE) &&
- bacmp(&conn->hcon->src, &conn->hcon->dst) > 0) {
- result = L2CAP_MR_COLLISION;
- goto send_move_response;
- }
-
- chan->move_role = L2CAP_MOVE_ROLE_RESPONDER;
- l2cap_move_setup(chan);
- chan->move_id = req->dest_amp_id;
-
- if (req->dest_amp_id == AMP_ID_BREDR) {
- /* Moving to BR/EDR */
- if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
- chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY;
- result = L2CAP_MR_PEND;
- } else {
- chan->move_state = L2CAP_MOVE_WAIT_CONFIRM;
- result = L2CAP_MR_SUCCESS;
- }
- } else {
- chan->move_state = L2CAP_MOVE_WAIT_PREPARE;
- /* Placeholder - uncomment when amp functions are available */
- /*amp_accept_physical(chan, req->dest_amp_id);*/
- result = L2CAP_MR_PEND;
- }
-
-send_move_response:
- l2cap_send_move_chan_rsp(chan, result);
-
- l2cap_chan_unlock(chan);
- l2cap_chan_put(chan);
-
- return 0;
-}
-
-static void l2cap_move_continue(struct l2cap_conn *conn, u16 icid, u16 result)
-{
- struct l2cap_chan *chan;
- struct hci_chan *hchan = NULL;
-
- chan = l2cap_get_chan_by_scid(conn, icid);
- if (!chan) {
- l2cap_send_move_chan_cfm_icid(conn, icid);
- return;
- }
-
- __clear_chan_timer(chan);
- if (result == L2CAP_MR_PEND)
- __set_chan_timer(chan, L2CAP_MOVE_ERTX_TIMEOUT);
-
- switch (chan->move_state) {
- case L2CAP_MOVE_WAIT_LOGICAL_COMP:
- /* Move confirm will be sent when logical link
- * is complete.
- */
- chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM;
- break;
- case L2CAP_MOVE_WAIT_RSP_SUCCESS:
- if (result == L2CAP_MR_PEND) {
- break;
- } else if (test_bit(CONN_LOCAL_BUSY,
- &chan->conn_state)) {
- chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY;
- } else {
- /* Logical link is up or moving to BR/EDR,
- * proceed with move
- */
- chan->move_state = L2CAP_MOVE_WAIT_CONFIRM_RSP;
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED);
- }
- break;
- case L2CAP_MOVE_WAIT_RSP:
- /* Moving to AMP */
- if (result == L2CAP_MR_SUCCESS) {
- /* Remote is ready, send confirm immediately
- * after logical link is ready
- */
- chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM;
- } else {
- /* Both logical link and move success
- * are required to confirm
- */
- chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_COMP;
- }
-
- /* Placeholder - get hci_chan for logical link */
- if (!hchan) {
- /* Logical link not available */
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
- break;
- }
-
- /* If the logical link is not yet connected, do not
- * send confirmation.
- */
- if (hchan->state != BT_CONNECTED)
- break;
-
- /* Logical link is already ready to go */
-
- chan->hs_hcon = hchan->conn;
- chan->hs_hcon->l2cap_data = chan->conn;
-
- if (result == L2CAP_MR_SUCCESS) {
- /* Can confirm now */
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED);
- } else {
- /* Now only need move success
- * to confirm
- */
- chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS;
- }
-
- l2cap_logical_cfm(chan, hchan, L2CAP_MR_SUCCESS);
- break;
- default:
- /* Any other amp move state means the move failed. */
- chan->move_id = chan->local_amp_id;
- l2cap_move_done(chan);
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
- }
-
- l2cap_chan_unlock(chan);
- l2cap_chan_put(chan);
-}
-
-static void l2cap_move_fail(struct l2cap_conn *conn, u8 ident, u16 icid,
- u16 result)
-{
- struct l2cap_chan *chan;
-
- chan = l2cap_get_chan_by_ident(conn, ident);
- if (!chan) {
- /* Could not locate channel, icid is best guess */
- l2cap_send_move_chan_cfm_icid(conn, icid);
- return;
- }
-
- __clear_chan_timer(chan);
-
- if (chan->move_role == L2CAP_MOVE_ROLE_INITIATOR) {
- if (result == L2CAP_MR_COLLISION) {
- chan->move_role = L2CAP_MOVE_ROLE_RESPONDER;
- } else {
- /* Cleanup - cancel move */
- chan->move_id = chan->local_amp_id;
- l2cap_move_done(chan);
- }
- }
-
- l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED);
-
- l2cap_chan_unlock(chan);
- l2cap_chan_put(chan);
-}
-
-static int l2cap_move_channel_rsp(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
-{
- struct l2cap_move_chan_rsp *rsp = data;
- u16 icid, result;
-
- if (cmd_len != sizeof(*rsp))
- return -EPROTO;
-
- icid = le16_to_cpu(rsp->icid);
- result = le16_to_cpu(rsp->result);
-
- BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
-
- if (result == L2CAP_MR_SUCCESS || result == L2CAP_MR_PEND)
- l2cap_move_continue(conn, icid, result);
- else
- l2cap_move_fail(conn, cmd->ident, icid, result);
-
- return 0;
-}
-
-static int l2cap_move_channel_confirm(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
-{
- struct l2cap_move_chan_cfm *cfm = data;
- struct l2cap_chan *chan;
- u16 icid, result;
-
- if (cmd_len != sizeof(*cfm))
- return -EPROTO;
-
- icid = le16_to_cpu(cfm->icid);
- result = le16_to_cpu(cfm->result);
-
- BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
-
- chan = l2cap_get_chan_by_dcid(conn, icid);
- if (!chan) {
- /* Spec requires a response even if the icid was not found */
- l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid);
- return 0;
- }
-
- if (chan->move_state == L2CAP_MOVE_WAIT_CONFIRM) {
- if (result == L2CAP_MC_CONFIRMED) {
- chan->local_amp_id = chan->move_id;
- if (chan->local_amp_id == AMP_ID_BREDR)
- __release_logical_link(chan);
- } else {
- chan->move_id = chan->local_amp_id;
- }
-
- l2cap_move_done(chan);
- }
-
- l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid);
-
- l2cap_chan_unlock(chan);
- l2cap_chan_put(chan);
-
- return 0;
-}
-
-static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
-{
- struct l2cap_move_chan_cfm_rsp *rsp = data;
- struct l2cap_chan *chan;
- u16 icid;
-
- if (cmd_len != sizeof(*rsp))
- return -EPROTO;
-
- icid = le16_to_cpu(rsp->icid);
-
- BT_DBG("icid 0x%4.4x", icid);
-
- chan = l2cap_get_chan_by_scid(conn, icid);
- if (!chan)
- return 0;
-
- __clear_chan_timer(chan);
-
- if (chan->move_state == L2CAP_MOVE_WAIT_CONFIRM_RSP) {
- chan->local_amp_id = chan->move_id;
-
- if (chan->local_amp_id == AMP_ID_BREDR && chan->hs_hchan)
- __release_logical_link(chan);
-
- l2cap_move_done(chan);
- }
-
- l2cap_chan_unlock(chan);
- l2cap_chan_put(chan);
-
- return 0;
-}
-
static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
struct l2cap_cmd_hdr *cmd,
u16 cmd_len, u8 *data)
@@ -5745,7 +4761,6 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
break;

case L2CAP_CONN_RSP:
- case L2CAP_CREATE_CHAN_RSP:
l2cap_connect_create_rsp(conn, cmd, cmd_len, data);
break;

@@ -5780,26 +4795,6 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
l2cap_information_rsp(conn, cmd, cmd_len, data);
break;

- case L2CAP_CREATE_CHAN_REQ:
- err = l2cap_create_channel_req(conn, cmd, cmd_len, data);
- break;
-
- case L2CAP_MOVE_CHAN_REQ:
- err = l2cap_move_channel_req(conn, cmd, cmd_len, data);
- break;
-
- case L2CAP_MOVE_CHAN_RSP:
- l2cap_move_channel_rsp(conn, cmd, cmd_len, data);
- break;
-
- case L2CAP_MOVE_CHAN_CFM:
- err = l2cap_move_channel_confirm(conn, cmd, cmd_len, data);
- break;
-
- case L2CAP_MOVE_CHAN_CFM_RSP:
- l2cap_move_channel_confirm_rsp(conn, cmd, cmd_len, data);
- break;
-
default:
BT_ERR("Unknown BR/EDR signaling command 0x%2.2x", cmd->code);
err = -EINVAL;
@@ -7051,8 +6046,8 @@ static int l2cap_rx_state_recv(struct l2cap_chan *chan,
if (control->final) {
clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);

- if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state) &&
- !__chan_is_moving(chan)) {
+ if (!test_and_clear_bit(CONN_REJ_ACT,
+ &chan->conn_state)) {
control->final = 0;
l2cap_retransmit_all(chan, control);
}
@@ -7245,11 +6240,7 @@ static int l2cap_finish_move(struct l2cap_chan *chan)
BT_DBG("chan %p", chan);

chan->rx_state = L2CAP_RX_STATE_RECV;
-
- if (chan->hs_hcon)
- chan->conn->mtu = chan->hs_hcon->hdev->block_mtu;
- else
- chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;
+ chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;

return l2cap_resegment(chan);
}
@@ -7316,11 +6307,7 @@ static int l2cap_rx_state_wait_f(struct l2cap_chan *chan,
*/
chan->next_tx_seq = control->reqseq;
chan->unacked_frames = 0;
-
- if (chan->hs_hcon)
- chan->conn->mtu = chan->hs_hcon->hdev->block_mtu;
- else
- chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;
+ chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;

err = l2cap_resegment(chan);

@@ -7672,21 +6659,10 @@ static void l2cap_data_channel(struct l2cap_conn *conn, u16 cid,

chan = l2cap_get_chan_by_scid(conn, cid);
if (!chan) {
- if (cid == L2CAP_CID_A2MP) {
- chan = a2mp_channel_create(conn, skb);
- if (!chan) {
- kfree_skb(skb);
- return;
- }
-
- l2cap_chan_hold(chan);
- l2cap_chan_lock(chan);
- } else {
- BT_DBG("unknown cid 0x%4.4x", cid);
- /* Drop packet and return */
- kfree_skb(skb);
- return;
- }
+ BT_DBG("unknown cid 0x%4.4x", cid);
+ /* Drop packet and return */
+ kfree_skb(skb);
+ return;
}

BT_DBG("chan %p, len %d", chan, skb->len);
@@ -7887,10 +6863,6 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)

conn->local_fixed_chan = L2CAP_FC_SIG_BREDR | L2CAP_FC_CONNLESS;

- if (hcon->type == ACL_LINK &&
- hci_dev_test_flag(hcon->hdev, HCI_HS_ENABLED))
- conn->local_fixed_chan |= L2CAP_FC_A2MP;
-
if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&
(bredr_sc_enabled(hcon->hdev) ||
hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))
@@ -8355,11 +7327,6 @@ static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
BT_DBG("chan %p scid 0x%4.4x state %s", chan, chan->scid,
state_to_string(chan->state));

- if (chan->scid == L2CAP_CID_A2MP) {
- l2cap_chan_unlock(chan);
- continue;
- }
-
if (!status && encrypt)
chan->sec_level = hcon->sec_level;

diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index e50d3d102078..ee7a41d6994f 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1027,23 +1027,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}

- if (opt > BT_CHANNEL_POLICY_AMP_PREFERRED) {
- err = -EINVAL;
- break;
- }
-
- if (chan->mode != L2CAP_MODE_ERTM &&
- chan->mode != L2CAP_MODE_STREAMING) {
- err = -EOPNOTSUPP;
- break;
- }
-
- chan->chan_policy = (u8) opt;
-
- if (sk->sk_state == BT_CONNECTED &&
- chan->move_role == L2CAP_MOVE_ROLE_NONE)
- l2cap_move_start(chan);
-
+ err = -EOPNOTSUPP;
break;

case BT_SNDMTU:
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 211da120ff12..5d3f5e9c74f2 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -835,8 +835,6 @@ static u32 get_supported_settings(struct hci_dev *hdev)

if (lmp_ssp_capable(hdev)) {
settings |= MGMT_SETTING_SSP;
- if (IS_ENABLED(CONFIG_BT_HS))
- settings |= MGMT_SETTING_HS;
}

if (lmp_sc_capable(hdev))
@@ -901,9 +899,6 @@ static u32 get_current_settings(struct hci_dev *hdev)
if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
settings |= MGMT_SETTING_SSP;

- if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
- settings |= MGMT_SETTING_HS;
-
if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
settings |= MGMT_SETTING_ADVERTISING;

@@ -1938,7 +1933,6 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)

if (enable && hci_dev_test_and_clear_flag(hdev,
HCI_SSP_ENABLED)) {
- hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
new_settings(hdev, NULL);
}

@@ -1951,12 +1945,6 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
} else {
changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
-
- if (!changed)
- changed = hci_dev_test_and_clear_flag(hdev,
- HCI_HS_ENABLED);
- else
- hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
}

mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
@@ -2020,11 +2008,6 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
} else {
changed = hci_dev_test_and_clear_flag(hdev,
HCI_SSP_ENABLED);
- if (!changed)
- changed = hci_dev_test_and_clear_flag(hdev,
- HCI_HS_ENABLED);
- else
- hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
}

err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
@@ -2070,63 +2053,10 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)

static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
- struct mgmt_mode *cp = data;
- bool changed;
- u8 status;
- int err;
-
bt_dev_dbg(hdev, "sock %p", sk);

- if (!IS_ENABLED(CONFIG_BT_HS))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
MGMT_STATUS_NOT_SUPPORTED);
-
- status = mgmt_bredr_support(hdev);
- if (status)
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
-
- if (!lmp_ssp_capable(hdev))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
- MGMT_STATUS_NOT_SUPPORTED);
-
- if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
- MGMT_STATUS_REJECTED);
-
- if (cp->val != 0x00 && cp->val != 0x01)
- return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
- MGMT_STATUS_INVALID_PARAMS);
-
- hci_dev_lock(hdev);
-
- if (pending_find(MGMT_OP_SET_SSP, hdev)) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
- MGMT_STATUS_BUSY);
- goto unlock;
- }
-
- if (cp->val) {
- changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
- } else {
- if (hdev_is_powered(hdev)) {
- err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
- MGMT_STATUS_REJECTED);
- goto unlock;
- }
-
- changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
- }
-
- err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
- if (err < 0)
- goto unlock;
-
- if (changed)
- err = new_settings(hdev, sk);
-
-unlock:
- hci_dev_unlock(hdev);
- return err;
}

static void set_le_complete(struct hci_dev *hdev, void *data, int err)
@@ -6774,7 +6704,6 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
- hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
}

hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
--
2.43.0

2024-02-02 14:32:48

by bluez.test.bot

Subject: RE: [v3] Bluetooth: Remove BT_HS

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=822531

---Test result---

Test Summary:
CheckPatch FAIL 2.68 seconds
GitLint PASS 0.23 seconds
SubjectPrefix PASS 0.08 seconds
BuildKernel PASS 27.30 seconds
CheckAllWarning PASS 30.21 seconds
CheckSparse WARNING 35.12 seconds
CheckSmatch WARNING 97.21 seconds
BuildKernel32 PASS 26.49 seconds
TestRunnerSetup PASS 435.24 seconds
TestRunner_l2cap-tester PASS 23.13 seconds
TestRunner_iso-tester PASS 47.32 seconds
TestRunner_bnep-tester PASS 6.80 seconds
TestRunner_mgmt-tester FAIL 162.25 seconds
TestRunner_rfcomm-tester PASS 10.87 seconds
TestRunner_sco-tester PASS 14.37 seconds
TestRunner_ioctl-tester PASS 12.03 seconds
TestRunner_mesh-tester PASS 11.96 seconds
TestRunner_smp-tester PASS 9.72 seconds
TestRunner_userchan-tester PASS 7.15 seconds
IncrementalBuild PASS 25.35 seconds

Details
##############################
Test: CheckPatch - FAIL
Desc: Run checkpatch.pl script
Output:
[v3] Bluetooth: Remove BT_HS
WARNING: Prefer a maximum 75 chars per line (possible unwrapped commit description?)
#94:
https://www.bluetooth.com/blog/new-core-specification-v5-3-feature-enhancements/

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#263:
deleted file mode 100644

total: 0 errors, 2 warnings, 0 checks, 1560 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/src/13542909.patch has style problems, please review.

NOTE: Ignored message types: UNKNOWN_COMMIT_ID

NOTE: If any of the errors are false positives, please report
them to the maintainer, see CHECKPATCH in MAINTAINERS.


##############################
Test: CheckSparse - WARNING
Desc: Run sparse tool with linux kernel
Output:
net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):
##############################
Test: CheckSmatch - WARNING
Desc: Run smatch tool with source
Output:
net/bluetooth/hci_event.c: note: in included file (through include/net/bluetooth/hci_core.h):
##############################
Test: TestRunner_mgmt-tester - FAIL
Desc: Run mgmt-tester with test-runner
Output:
Total: 497, Passed: 486 (97.8%), Failed: 5, Not Run: 6

Failed Test Cases
Read Ext Controller Info 1 Failed 0.162 seconds
Read Ext Controller Info 2 Failed 0.192 seconds
Read Ext Controller Info 3 Failed 0.171 seconds
Read Ext Controller Info 4 Failed 0.175 seconds
Read Ext Controller Info 5 Failed 0.198 seconds


---
Regards,
Linux Bluetooth

2024-02-02 19:33:44

by patchwork-bot+bluetooth

Subject: Re: [PATCH v3] Bluetooth: Remove BT_HS

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <[email protected]>:

On Fri, 2 Feb 2024 08:48:54 -0500 you wrote:
> From: Luiz Augusto von Dentz <[email protected]>
>
> High Speed, Alternate MAC and PHY (AMP) extension, has been removed from
> Bluetooth Core specification on 5.3:
>
> https://www.bluetooth.com/blog/new-core-specification-v5-3-feature-enhancements/
>
> [...]

Here is the summary with links:
- [v3] Bluetooth: Remove BT_HS
https://git.kernel.org/bluetooth/bluetooth-next/c/bd39a059da00

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html