summaryrefslogtreecommitdiff
path: root/net/bluetooth
diff options
context:
space:
mode:
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/Kconfig2
-rw-r--r--net/bluetooth/Makefile2
-rw-r--r--net/bluetooth/a2mp.c459
-rw-r--r--net/bluetooth/af_bluetooth.c10
-rw-r--r--net/bluetooth/amp.c471
-rw-r--r--net/bluetooth/bnep/core.c3
-rw-r--r--net/bluetooth/bnep/netdev.c1
-rw-r--r--net/bluetooth/cmtp/capi.c2
-rw-r--r--net/bluetooth/cmtp/core.c2
-rw-r--r--net/bluetooth/cmtp/sock.c2
-rw-r--r--net/bluetooth/hci_conn.c76
-rw-r--r--net/bluetooth/hci_core.c233
-rw-r--r--net/bluetooth/hci_event.c562
-rw-r--r--net/bluetooth/hci_sysfs.c10
-rw-r--r--net/bluetooth/hidp/core.c8
-rw-r--r--net/bluetooth/l2cap_core.c1577
-rw-r--r--net/bluetooth/l2cap_sock.c94
-rw-r--r--net/bluetooth/lib.c14
-rw-r--r--net/bluetooth/mgmt.c105
-rw-r--r--net/bluetooth/rfcomm/core.c19
-rw-r--r--net/bluetooth/rfcomm/sock.c13
-rw-r--r--net/bluetooth/rfcomm/tty.c6
-rw-r--r--net/bluetooth/sco.c98
-rw-r--r--net/bluetooth/smp.c2
24 files changed, 3179 insertions, 592 deletions
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 3537d38..d3f3f7b 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -11,6 +11,7 @@ menuconfig BT
select CRYPTO_BLKCIPHER
select CRYPTO_AES
select CRYPTO_ECB
+ select CRYPTO_SHA256
help
Bluetooth is low-cost, low-power, short-range wireless technology.
It was designed as a replacement for cables and other short-range
@@ -47,4 +48,3 @@ source "net/bluetooth/cmtp/Kconfig"
source "net/bluetooth/hidp/Kconfig"
source "drivers/bluetooth/Kconfig"
-
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index fa6d94a..dea6a28 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -10,4 +10,4 @@ obj-$(CONFIG_BT_HIDP) += hidp/
bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \
- a2mp.o
+ a2mp.o amp.o
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 0760d1f..2f67d5e 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -16,6 +16,11 @@
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/amp.h>
+
+/* Global AMP Manager list */
+LIST_HEAD(amp_mgr_list);
+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)
@@ -37,8 +42,7 @@ static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data)
return cmd;
}
-static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len,
- void *data)
+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;
@@ -63,6 +67,14 @@ static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len,
kfree(cmd);
}
+u8 __next_ident(struct amp_mgr *mgr)
+{
+ if (++mgr->ident == 0)
+ mgr->ident = 1;
+
+ return mgr->ident;
+}
+
static inline void __a2mp_cl_bredr(struct a2mp_cl *cl)
{
cl->id = 0;
@@ -161,6 +173,83 @@ static int a2mp_discover_req(struct amp_mgr *mgr, struct sk_buff *skb,
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 %d type %d status %d", cl->id, cl->type,
+ cl->status);
+
+ if (cl->id != HCI_BREDR_ID && cl->type == HCI_AMP) {
+ struct a2mp_info_req req;
+
+ found = true;
+ req.id = cl->id;
+ a2mp_send(mgr, A2MP_GETINFO_REQ, __next_ident(mgr),
+ sizeof(req), &req);
+ }
+
+ len -= sizeof(*cl);
+ cl = (void *) 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->chan_type == L2CAP_CHAN_CONN_FIX_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)
{
@@ -181,7 +270,6 @@ 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 a2mp_info_rsp rsp;
struct hci_dev *hdev;
if (le16_to_cpu(hdr->len) < sizeof(*req))
@@ -189,53 +277,93 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct sk_buff *skb,
BT_DBG("id %d", req->id);
- rsp.id = req->id;
- rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
-
hdev = hci_dev_get(req->id);
- if (hdev && hdev->amp_type != HCI_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);
+ if (!hdev || hdev->dev_type != HCI_AMP) {
+ struct a2mp_info_rsp 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;
}
+ mgr->state = READ_LOC_AMP_INFO;
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL);
+
+done:
if (hdev)
hci_dev_put(hdev);
- a2mp_send(mgr, A2MP_GETINFO_RSP, hdr->ident, sizeof(rsp), &rsp);
-
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 %d status 0x%2.2x", rsp->id, rsp->status);
+
+ if (rsp->status)
+ return -EINVAL;
+
+ ctrl = amp_ctrl_add(mgr, rsp->id);
+ if (!ctrl)
+ return -ENOMEM;
+
+ 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 %d", 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 == HCI_BREDR) {
+ if (!hdev || hdev->amp_type == HCI_BREDR || tmp) {
struct a2mp_amp_assoc_rsp rsp;
rsp.id = req->id;
- rsp.status = A2MP_STATUS_INVALID_CTRL_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 clean;
+
+ goto done;
}
- /* Placeholder for HCI Read AMP Assoc */
+ amp_read_loc_assoc(hdev, mgr);
-clean:
+done:
if (hdev)
hci_dev_put(hdev);
@@ -243,6 +371,68 @@ clean:
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 %d 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 = kzalloc(assoc_len, GFP_KERNEL);
+ if (!assoc) {
+ amp_ctrl_put(ctrl);
+ return -ENOMEM;
+ }
+
+ memcpy(assoc, rsp->amp_assoc, assoc_len);
+ 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:%d -> rem:%d", 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)
{
@@ -250,6 +440,8 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
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;
@@ -265,9 +457,43 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
goto send_rsp;
}
- /* TODO process physlink create */
+ 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;
+ }
+ }
- rsp.status = A2MP_STATUS_SUCCESS;
+ if (ctrl) {
+ size_t assoc_len = le16_to_cpu(hdr->len) - sizeof(*req);
+ u8 *assoc;
+
+ assoc = kzalloc(assoc_len, GFP_KERNEL);
+ if (!assoc) {
+ amp_ctrl_put(ctrl);
+ return -ENOMEM;
+ }
+
+ memcpy(assoc, req->amp_assoc, assoc_len);
+ 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)
@@ -286,6 +512,7 @@ static int a2mp_discphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
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;
@@ -296,14 +523,22 @@ static int a2mp_discphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
rsp.remote_id = req->local_id;
rsp.status = A2MP_STATUS_SUCCESS;
- hdev = hci_dev_get(req->local_id);
+ 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->dst);
+ if (!hcon) {
+ BT_ERR("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:
@@ -377,10 +612,19 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
err = a2mp_discphyslink_req(mgr, skb, hdr);
break;
- case A2MP_CHANGE_RSP:
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);
@@ -455,9 +699,10 @@ static struct l2cap_ops a2mp_chan_ops = {
.new_connection = l2cap_chan_no_new_connection,
.teardown = l2cap_chan_no_teardown,
.ready = l2cap_chan_no_ready,
+ .defer = l2cap_chan_no_defer,
};
-static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
+static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
{
struct l2cap_chan *chan;
int err;
@@ -492,7 +737,10 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
chan->conf_state = 0;
- l2cap_chan_add(conn, chan);
+ if (locked)
+ __l2cap_chan_add(conn, chan);
+ else
+ l2cap_chan_add(conn, chan);
chan->remote_mps = chan->omtu;
chan->mps = chan->omtu;
@@ -503,11 +751,13 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn)
}
/* AMP Manager functions */
-void amp_mgr_get(struct amp_mgr *mgr)
+struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr)
{
BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount));
kref_get(&mgr->kref);
+
+ return mgr;
}
static void amp_mgr_destroy(struct kref *kref)
@@ -516,6 +766,11 @@ static void amp_mgr_destroy(struct kref *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);
}
@@ -526,7 +781,7 @@ int amp_mgr_put(struct amp_mgr *mgr)
return kref_put(&mgr->kref, &amp_mgr_destroy);
}
-static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
+static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn, bool locked)
{
struct amp_mgr *mgr;
struct l2cap_chan *chan;
@@ -539,7 +794,7 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
mgr->l2cap_conn = conn;
- chan = a2mp_chan_open(conn);
+ chan = a2mp_chan_open(conn, locked);
if (!chan) {
kfree(mgr);
return NULL;
@@ -552,6 +807,14 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)
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;
}
@@ -560,7 +823,7 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
{
struct amp_mgr *mgr;
- mgr = amp_mgr_create(conn);
+ mgr = amp_mgr_create(conn, false);
if (!mgr) {
BT_ERR("Could not create AMP manager");
return NULL;
@@ -570,3 +833,139 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
return mgr->a2mp_chan;
}
+
+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 (mgr->state == state) {
+ amp_mgr_get(mgr);
+ mutex_unlock(&amp_mgr_list_lock);
+ return mgr;
+ }
+ }
+ mutex_unlock(&amp_mgr_list_lock);
+
+ return NULL;
+}
+
+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);
+
+ rsp.id = hdev->id;
+ rsp.status = A2MP_STATUS_INVALID_CTRL_ID;
+
+ if (hdev->amp_type != HCI_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_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;
+
+ 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/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index ba033f0..5355df6 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -569,7 +569,6 @@ static int bt_seq_show(struct seq_file *seq, void *v)
{
struct bt_seq_state *s = seq->private;
struct bt_sock_list *l = s->l;
- bdaddr_t src_baswapped, dst_baswapped;
if (v == SEQ_START_TOKEN) {
seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Src Dst Parent");
@@ -583,18 +582,17 @@ static int bt_seq_show(struct seq_file *seq, void *v)
} else {
struct sock *sk = sk_entry(v);
struct bt_sock *bt = bt_sk(sk);
- baswap(&src_baswapped, &bt->src);
- baswap(&dst_baswapped, &bt->dst);
- seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %pM %pM %-6lu",
+ seq_printf(seq,
+ "%pK %-6d %-6u %-6u %-6u %-6lu %pMR %pMR %-6lu",
sk,
atomic_read(&sk->sk_refcnt),
sk_rmem_alloc_get(sk),
sk_wmem_alloc_get(sk),
from_kuid(seq_user_ns(seq), sock_i_uid(sk)),
sock_i_ino(sk),
- &src_baswapped,
- &dst_baswapped,
+ &bt->src,
+ &bt->dst,
bt->parent? sock_i_ino(bt->parent): 0LU);
if (l->custom_seq_show) {
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
new file mode 100644
index 0000000..1b0d92c
--- /dev/null
+++ b/net/bluetooth/amp.c
@@ -0,0 +1,471 @@
+/*
+ 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.
+*/
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/amp.h>
+#include <crypto/hash.h>
+
+/* Remote AMP Controllers interface */
+void amp_ctrl_get(struct amp_ctrl *ctrl)
+{
+ BT_DBG("ctrl %p orig refcnt %d", ctrl,
+ atomic_read(&ctrl->kref.refcount));
+
+ 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,
+ atomic_read(&ctrl->kref.refcount));
+
+ 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 %d", 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->dst;
+ struct hci_conn *hcon;
+
+ hcon = hci_conn_add(hdev, AMP_LINK, dst);
+ if (!hcon)
+ return NULL;
+
+ BT_DBG("hcon %p dst %pMR", hcon, dst);
+
+ hcon->state = BT_CONNECT;
+ hcon->attempt++;
+ hcon->handle = __next_handle(mgr);
+ hcon->remote_id = remote_id;
+ hcon->amp_mgr = amp_mgr_get(mgr);
+ hcon->out = out;
+
+ return hcon;
+}
+
+/* AMP crypto key generation interface */
+static int hmac_sha256(u8 *key, u8 ksize, char *plaintext, u8 psize, u8 *output)
+{
+ int ret = 0;
+ struct crypto_shash *tfm;
+
+ 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);
+ } else {
+ struct {
+ struct shash_desc shash;
+ char ctx[crypto_shash_descsize(tfm)];
+ } desc;
+
+ desc.shash.tfm = tfm;
+ desc.shash.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ ret = crypto_shash_digest(&desc.shash, plaintext, psize,
+ output);
+ }
+
+ 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_ERR("Legacy key type %d", 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_ERR("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);
+}
+
+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;
+
+ BT_DBG("%s handle %d", 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_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
+}
+
+void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr)
+{
+ struct hci_cp_read_local_amp_assoc cp;
+
+ memset(&hdev->loc_assoc, 0, sizeof(struct amp_assoc));
+ memset(&cp, 0, sizeof(cp));
+
+ cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
+
+ mgr->state = READ_LOC_AMP_ASSOC;
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
+}
+
+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;
+
+ cp.phy_handle = hcon->handle;
+ cp.len_so_far = cpu_to_le16(0);
+ cp.max_len = cpu_to_le16(hdev->amp_assoc_size);
+
+ mgr->state = READ_LOC_AMP_ASSOC_FINAL;
+
+ /* Read Local AMP Assoc final link information data */
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp);
+}
+
+/* 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;
+ 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_send_cmd(hdev, HCI_OP_WRITE_REMOTE_AMP_ASSOC, len, cp);
+
+ 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;
+
+ amp_write_rem_assoc_frag(hdev, hcon);
+}
+
+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);
+}
+
+void amp_create_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
+ struct hci_conn *hcon)
+{
+ struct hci_cp_create_phy_link cp;
+
+ 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_send_cmd(hdev, HCI_OP_CREATE_PHY_LINK, sizeof(cp), &cp);
+}
+
+void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr,
+ struct hci_conn *hcon)
+{
+ struct hci_cp_accept_phy_link cp;
+
+ 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_send_cmd(hdev, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp);
+}
+
+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_cp_create_accept_logical_link cp;
+ struct hci_conn *hcon;
+ struct hci_dev *hdev;
+
+ BT_DBG("chan %p", chan);
+
+ if (!chan->hs_hcon)
+ return;
+
+ hdev = hci_dev_hold(chan->hs_hcon->hdev);
+ if (!hdev)
+ return;
+
+ BT_DBG("chan %p dst %pMR", chan, chan->conn->dst);
+
+ hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, chan->conn->dst);
+ if (!hcon)
+ goto done;
+
+ cp.phy_handle = 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 (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);
+
+done:
+ 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/bnep/core.c b/net/bluetooth/bnep/core.c
index 4a6620b..a5b6397 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -182,8 +182,7 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len)
a2 = data;
data += ETH_ALEN;
- BT_DBG("mc filter %s -> %s",
- batostr((void *) a1), batostr((void *) a2));
+ BT_DBG("mc filter %pMR -> %pMR", a1, a2);
/* Iterate from a1 to a2 */
set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter);
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index 98f86f9..e58c8b3 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -25,7 +25,6 @@
SOFTWARE IS DISCLAIMED.
*/
-#include <linux/export.h>
#include <linux/etherdevice.h>
#include <net/bluetooth/bluetooth.h>
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 50f0d13..a4a9d4b 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -20,7 +20,7 @@
SOFTWARE IS DISCLAIMED.
*/
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/types.h>
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 6c9c1fd..e0a6ebf 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -353,7 +353,7 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
BT_DBG("mtu %d", session->mtu);
- sprintf(session->name, "%s", batostr(&bt_sk(sock->sk)->dst));
+ sprintf(session->name, "%pMR", &bt_sk(sock->sk)->dst);
session->sock = sock;
session->state = BT_CONFIG;
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index aacb802..1c57482 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -20,7 +20,7 @@
SOFTWARE IS DISCLAIMED.
*/
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/types.h>
#include <linux/capability.h>
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index b9196a4..25bfce0 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -130,6 +130,20 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason)
hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);
}
+static void hci_amp_disconn(struct hci_conn *conn, __u8 reason)
+{
+ struct hci_cp_disconn_phy_link cp;
+
+ BT_DBG("hcon %p", conn);
+
+ conn->state = BT_DISCONN;
+
+ cp.phy_handle = HCI_PHY_HANDLE(conn->handle);
+ cp.reason = reason;
+ hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK,
+ sizeof(cp), &cp);
+}
+
static void hci_add_sco(struct hci_conn *conn, __u16 handle)
{
struct hci_dev *hdev = conn->hdev;
@@ -230,11 +244,24 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status)
}
}
+static void hci_conn_disconnect(struct hci_conn *conn)
+{
+ __u8 reason = hci_proto_disconn_ind(conn);
+
+ switch (conn->type) {
+ case ACL_LINK:
+ hci_acl_disconn(conn, reason);
+ break;
+ case AMP_LINK:
+ hci_amp_disconn(conn, reason);
+ break;
+ }
+}
+
static void hci_conn_timeout(struct work_struct *work)
{
struct hci_conn *conn = container_of(work, struct hci_conn,
disc_work.work);
- __u8 reason;
BT_DBG("hcon %p state %s", conn, state_to_string(conn->state));
@@ -253,8 +280,7 @@ static void hci_conn_timeout(struct work_struct *work)
break;
case BT_CONFIG:
case BT_CONNECTED:
- reason = hci_proto_disconn_ind(conn);
- hci_acl_disconn(conn, reason);
+ hci_conn_disconnect(conn);
break;
default:
conn->state = BT_CLOSED;
@@ -320,7 +346,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
{
struct hci_conn *conn;
- BT_DBG("%s dst %s", hdev->name, batostr(dst));
+ BT_DBG("%s dst %pMR", hdev->name, dst);
conn = kzalloc(sizeof(struct hci_conn), GFP_KERNEL);
if (!conn)
@@ -437,7 +463,7 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src)
int use_src = bacmp(src, BDADDR_ANY);
struct hci_dev *hdev = NULL, *d;
- BT_DBG("%s -> %s", batostr(src), batostr(dst));
+ BT_DBG("%pMR -> %pMR", src, dst);
read_lock(&hci_dev_list_lock);
@@ -476,6 +502,9 @@ static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
{
struct hci_conn *le;
+ if (test_bit(HCI_LE_PERIPHERAL, &hdev->flags))
+ return ERR_PTR(-ENOTSUPP);
+
le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
if (!le) {
le = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
@@ -567,7 +596,7 @@ static struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type,
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst,
__u8 dst_type, __u8 sec_level, __u8 auth_type)
{
- BT_DBG("%s dst %s type 0x%x", hdev->name, batostr(dst), type);
+ BT_DBG("%s dst %pMR type 0x%x", hdev->name, dst, type);
switch (type) {
case LE_LINK:
@@ -933,6 +962,7 @@ struct hci_chan *hci_chan_create(struct hci_conn *conn)
chan->conn = conn;
skb_queue_head_init(&chan->data_q);
+ chan->state = BT_CONNECTED;
list_add_rcu(&chan->list, &conn->chan_list);
@@ -950,6 +980,8 @@ void hci_chan_del(struct hci_chan *chan)
synchronize_rcu();
+ hci_conn_put(conn);
+
skb_queue_purge(&chan->data_q);
kfree(chan);
}
@@ -963,3 +995,35 @@ void hci_chan_list_flush(struct hci_conn *conn)
list_for_each_entry_safe(chan, n, &conn->chan_list, list)
hci_chan_del(chan);
}
+
+static struct hci_chan *__hci_chan_lookup_handle(struct hci_conn *hcon,
+ __u16 handle)
+{
+ struct hci_chan *hchan;
+
+ list_for_each_entry(hchan, &hcon->chan_list, list) {
+ if (hchan->handle == handle)
+ return hchan;
+ }
+
+ return NULL;
+}
+
+struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle)
+{
+ struct hci_conn_hash *h = &hdev->conn_hash;
+ struct hci_conn *hcon;
+ struct hci_chan *hchan = NULL;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(hcon, &h->list, list) {
+ hchan = __hci_chan_lookup_handle(hcon, handle);
+ if (hchan)
+ break;
+ }
+
+ rcu_read_unlock();
+
+ return hchan;
+}
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index a0a2f97..596660d 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -178,48 +178,13 @@ static void hci_reset_req(struct hci_dev *hdev, unsigned long opt)
static void bredr_init(struct hci_dev *hdev)
{
- struct hci_cp_delete_stored_link_key cp;
- __le16 param;
- __u8 flt_type;
-
hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED;
- /* Mandatory initialization */
-
/* Read Local Supported Features */
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
/* Read Local Version */
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
-
- /* Read Buffer Size (ACL mtu, max pkt, etc.) */
- hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
-
- /* Read BD Address */
- hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);
-
- /* Read Class of Device */
- hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
-
- /* Read Local Name */
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL);
-
- /* Read Voice Setting */
- hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL);
-
- /* Optional initialization */
-
- /* Clear Event Filters */
- flt_type = HCI_FLT_CLEAR_ALL;
- hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
-
- /* Connection accept timeout ~20 secs */
- param = __constant_cpu_to_le16(0x7d00);
- hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
-
- bacpy(&cp.bdaddr, BDADDR_ANY);
- cp.delete_all = 1;
- hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
}
static void amp_init(struct hci_dev *hdev)
@@ -273,14 +238,6 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
}
}
-static void hci_le_init_req(struct hci_dev *hdev, unsigned long opt)
-{
- BT_DBG("%s", hdev->name);
-
- /* Read LE buffer size */
- hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
-}
-
static void hci_scan_req(struct hci_dev *hdev, unsigned long opt)
{
__u8 scan = opt;
@@ -405,7 +362,7 @@ struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
struct discovery_state *cache = &hdev->discovery;
struct inquiry_entry *e;
- BT_DBG("cache %p, %s", cache, batostr(bdaddr));
+ BT_DBG("cache %p, %pMR", cache, bdaddr);
list_for_each_entry(e, &cache->all, all) {
if (!bacmp(&e->data.bdaddr, bdaddr))
@@ -421,7 +378,7 @@ struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
struct discovery_state *cache = &hdev->discovery;
struct inquiry_entry *e;
- BT_DBG("cache %p, %s", cache, batostr(bdaddr));
+ BT_DBG("cache %p, %pMR", cache, bdaddr);
list_for_each_entry(e, &cache->unknown, list) {
if (!bacmp(&e->data.bdaddr, bdaddr))
@@ -438,7 +395,7 @@ struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
struct discovery_state *cache = &hdev->discovery;
struct inquiry_entry *e;
- BT_DBG("cache %p bdaddr %s state %d", cache, batostr(bdaddr), state);
+ BT_DBG("cache %p bdaddr %pMR state %d", cache, bdaddr, state);
list_for_each_entry(e, &cache->resolve, list) {
if (!bacmp(bdaddr, BDADDR_ANY) && e->name_state == state)
@@ -475,7 +432,9 @@ bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
struct discovery_state *cache = &hdev->discovery;
struct inquiry_entry *ie;
- BT_DBG("cache %p, %s", cache, batostr(&data->bdaddr));
+ BT_DBG("cache %p, %pMR", cache, &data->bdaddr);
+
+ hci_remove_remote_oob_data(hdev, &data->bdaddr);
if (ssp)
*ssp = data->ssp_mode;
@@ -637,6 +596,99 @@ done:
return err;
}
+static u8 create_ad(struct hci_dev *hdev, u8 *ptr)
+{
+ u8 ad_len = 0, flags = 0;
+ size_t name_len;
+
+ if (test_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags))
+ flags |= LE_AD_GENERAL;
+
+ if (!lmp_bredr_capable(hdev))
+ flags |= LE_AD_NO_BREDR;
+
+ if (lmp_le_br_capable(hdev))
+ flags |= LE_AD_SIM_LE_BREDR_CTRL;
+
+ if (lmp_host_le_br_capable(hdev))
+ flags |= LE_AD_SIM_LE_BREDR_HOST;
+
+ if (flags) {
+ BT_DBG("adv flags 0x%02x", flags);
+
+ ptr[0] = 2;
+ ptr[1] = EIR_FLAGS;
+ ptr[2] = flags;
+
+ ad_len += 3;
+ ptr += 3;
+ }
+
+ if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
+ ptr[0] = 2;
+ ptr[1] = EIR_TX_POWER;
+ ptr[2] = (u8) hdev->adv_tx_power;
+
+ ad_len += 3;
+ ptr += 3;
+ }
+
+ name_len = strlen(hdev->dev_name);
+ if (name_len > 0) {
+ size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
+
+ if (name_len > max_len) {
+ name_len = max_len;
+ ptr[1] = EIR_NAME_SHORT;
+ } else
+ ptr[1] = EIR_NAME_COMPLETE;
+
+ ptr[0] = name_len + 1;
+
+ memcpy(ptr + 2, hdev->dev_name, name_len);
+
+ ad_len += (name_len + 2);
+ ptr += (name_len + 2);
+ }
+
+ return ad_len;
+}
+
+int hci_update_ad(struct hci_dev *hdev)
+{
+ struct hci_cp_le_set_adv_data cp;
+ u8 len;
+ int err;
+
+ hci_dev_lock(hdev);
+
+ if (!lmp_le_capable(hdev)) {
+ err = -EINVAL;
+ goto unlock;
+ }
+
+ memset(&cp, 0, sizeof(cp));
+
+ len = create_ad(hdev, cp.data);
+
+ if (hdev->adv_data_len == len &&
+ memcmp(cp.data, hdev->adv_data, len) == 0) {
+ err = 0;
+ goto unlock;
+ }
+
+ memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
+ hdev->adv_data_len = len;
+
+ cp.length = len;
+ err = hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ return err;
+}
+
/* ---- HCI ioctl helpers ---- */
int hci_dev_open(__u16 dev)
@@ -687,10 +739,6 @@ int hci_dev_open(__u16 dev)
ret = __hci_request(hdev, hci_init_req, 0, HCI_INIT_TIMEOUT);
- if (lmp_host_le_capable(hdev))
- ret = __hci_request(hdev, hci_le_init_req, 0,
- HCI_INIT_TIMEOUT);
-
clear_bit(HCI_INIT, &hdev->flags);
}
@@ -698,6 +746,7 @@ int hci_dev_open(__u16 dev)
hci_dev_hold(hdev);
set_bit(HCI_UP, &hdev->flags);
hci_notify(hdev, HCI_DEV_UP);
+ hci_update_ad(hdev);
if (!test_bit(HCI_SETUP, &hdev->dev_flags) &&
mgmt_valid_hdev(hdev)) {
hci_dev_lock(hdev);
@@ -812,6 +861,9 @@ static int hci_dev_do_close(struct hci_dev *hdev)
/* Clear flags */
hdev->flags = 0;
+ /* Controller radio is available but is currently powered down */
+ hdev->amp_status = 0;
+
memset(hdev->eir, 0, sizeof(hdev->eir));
memset(hdev->dev_class, 0, sizeof(hdev->dev_class));
@@ -1039,10 +1091,17 @@ int hci_get_dev_info(void __user *arg)
di.type = (hdev->bus & 0x0f) | (hdev->dev_type << 4);
di.flags = hdev->flags;
di.pkt_type = hdev->pkt_type;
- di.acl_mtu = hdev->acl_mtu;
- di.acl_pkts = hdev->acl_pkts;
- di.sco_mtu = hdev->sco_mtu;
- di.sco_pkts = hdev->sco_pkts;
+ if (lmp_bredr_capable(hdev)) {
+ di.acl_mtu = hdev->acl_mtu;
+ di.acl_pkts = hdev->acl_pkts;
+ di.sco_mtu = hdev->sco_mtu;
+ di.sco_pkts = hdev->sco_pkts;
+ } else {
+ di.acl_mtu = hdev->le_mtu;
+ di.acl_pkts = hdev->le_pkts;
+ di.sco_mtu = 0;
+ di.sco_pkts = 0;
+ }
di.link_policy = hdev->link_policy;
di.link_mode = hdev->link_mode;
@@ -1259,7 +1318,7 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
list_add(&key->list, &hdev->link_keys);
}
- BT_DBG("%s key for %s type %u", hdev->name, batostr(bdaddr), type);
+ BT_DBG("%s key for %pMR type %u", hdev->name, bdaddr, type);
/* Some buggy controller combinations generate a changed
* combination key for legacy pairing even when there's no
@@ -1338,7 +1397,7 @@ int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr)
if (!key)
return -ENOENT;
- BT_DBG("%s removing %s", hdev->name, batostr(bdaddr));
+ BT_DBG("%s removing %pMR", hdev->name, bdaddr);
list_del(&key->list);
kfree(key);
@@ -1354,7 +1413,7 @@ int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr)
if (bacmp(bdaddr, &k->bdaddr))
continue;
- BT_DBG("%s removing %s", hdev->name, batostr(bdaddr));
+ BT_DBG("%s removing %pMR", hdev->name, bdaddr);
list_del(&k->list);
kfree(k);
@@ -1401,7 +1460,7 @@ int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr)
if (!data)
return -ENOENT;
- BT_DBG("%s removing %s", hdev->name, batostr(bdaddr));
+ BT_DBG("%s removing %pMR", hdev->name, bdaddr);
list_del(&data->list);
kfree(data);
@@ -1440,7 +1499,7 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
memcpy(data->hash, hash, sizeof(data->hash));
memcpy(data->randomizer, randomizer, sizeof(data->randomizer));
- BT_DBG("%s for %s", hdev->name, batostr(bdaddr));
+ BT_DBG("%s for %pMR", hdev->name, bdaddr);
return 0;
}
@@ -1617,6 +1676,9 @@ int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
BT_DBG("%s", hdev->name);
+ if (test_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags))
+ return -ENOTSUPP;
+
if (work_busy(&hdev->le_scan))
return -EINPROGRESS;
@@ -1643,6 +1705,8 @@ struct hci_dev *hci_alloc_dev(void)
hdev->esco_type = (ESCO_HV1);
hdev->link_mode = (HCI_LM_ACCEPT);
hdev->io_capability = 0x03; /* No Input No Output */
+ hdev->inq_tx_power = HCI_TX_POWER_INVALID;
+ hdev->adv_tx_power = HCI_TX_POWER_INVALID;
hdev->sniff_max_interval = 800;
hdev->sniff_min_interval = 80;
@@ -1793,6 +1857,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
for (i = 0; i < NUM_REASSEMBLY; i++)
kfree_skb(hdev->reassembly[i]);
+ cancel_work_sync(&hdev->power_on);
+
if (!test_bit(HCI_INIT, &hdev->flags) &&
!test_bit(HCI_SETUP, &hdev->dev_flags)) {
hci_dev_lock(hdev);
@@ -2153,9 +2219,10 @@ static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags)
hdr->dlen = cpu_to_le16(len);
}
-static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue,
+static void hci_queue_acl(struct hci_chan *chan, struct sk_buff_head *queue,
struct sk_buff *skb, __u16 flags)
{
+ struct hci_conn *conn = chan->conn;
struct hci_dev *hdev = conn->hdev;
struct sk_buff *list;
@@ -2163,7 +2230,18 @@ static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue,
skb->data_len = 0;
bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
- hci_add_acl_hdr(skb, conn->handle, flags);
+
+ switch (hdev->dev_type) {
+ case HCI_BREDR:
+ hci_add_acl_hdr(skb, conn->handle, flags);
+ break;
+ case HCI_AMP:
+ hci_add_acl_hdr(skb, chan->handle, flags);
+ break;
+ default:
+ BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
+ return;
+ }
list = skb_shinfo(skb)->frag_list;
if (!list) {
@@ -2202,14 +2280,13 @@ static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue,
void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags)
{
- struct hci_conn *conn = chan->conn;
- struct hci_dev *hdev = conn->hdev;
+ struct hci_dev *hdev = chan->conn->hdev;
BT_DBG("%s chan %p flags 0x%4.4x", hdev->name, chan, flags);
skb->dev = (void *) hdev;
- hci_queue_acl(conn, &chan->data_q, skb, flags);
+ hci_queue_acl(chan, &chan->data_q, skb, flags);
queue_work(hdev->workqueue, &hdev->tx_work);
}
@@ -2311,8 +2388,8 @@ static void hci_link_tx_to(struct hci_dev *hdev, __u8 type)
/* Kill stalled connections */
list_for_each_entry_rcu(c, &h->list, list) {
if (c->type == type && c->sent) {
- BT_ERR("%s killing stalled connection %s",
- hdev->name, batostr(&c->dst));
+ BT_ERR("%s killing stalled connection %pMR",
+ hdev->name, &c->dst);
hci_acl_disconn(c, HCI_ERROR_REMOTE_USER_TERM);
}
}
@@ -2381,6 +2458,9 @@ static struct hci_chan *hci_chan_sent(struct hci_dev *hdev, __u8 type,
case ACL_LINK:
cnt = hdev->acl_cnt;
break;
+ case AMP_LINK:
+ cnt = hdev->block_cnt;
+ break;
case SCO_LINK:
case ESCO_LINK:
cnt = hdev->sco_cnt;
@@ -2510,11 +2590,19 @@ static void hci_sched_acl_blk(struct hci_dev *hdev)
struct hci_chan *chan;
struct sk_buff *skb;
int quote;
+ u8 type;
__check_timeout(hdev, cnt);
+ BT_DBG("%s", hdev->name);
+
+ if (hdev->dev_type == HCI_AMP)
+ type = AMP_LINK;
+ else
+ type = ACL_LINK;
+
while (hdev->block_cnt > 0 &&
- (chan = hci_chan_sent(hdev, ACL_LINK, &quote))) {
+ (chan = hci_chan_sent(hdev, type, &quote))) {
u32 priority = (skb_peek(&chan->data_q))->priority;
while (quote > 0 && (skb = skb_peek(&chan->data_q))) {
int blocks;
@@ -2547,14 +2635,19 @@ static void hci_sched_acl_blk(struct hci_dev *hdev)
}
if (cnt != hdev->block_cnt)
- hci_prio_recalculate(hdev, ACL_LINK);
+ hci_prio_recalculate(hdev, type);
}
static void hci_sched_acl(struct hci_dev *hdev)
{
BT_DBG("%s", hdev->name);
- if (!hci_conn_num(hdev, ACL_LINK))
+ /* No ACL link over BR/EDR controller */
+ if (!hci_conn_num(hdev, ACL_LINK) && hdev->dev_type == HCI_BREDR)
+ return;
+
+ /* No AMP link over AMP controller */
+ if (!hci_conn_num(hdev, AMP_LINK) && hdev->dev_type == HCI_AMP)
return;
switch (hdev->flow_ctl_mode) {
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 2022b43..705078a 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -24,12 +24,13 @@
/* Bluetooth HCI event handling. */
-#include <linux/export.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/mgmt.h>
+#include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/amp.h>
/* Handle HCI Event packets */
@@ -201,6 +202,11 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
BIT(HCI_PERIODIC_INQ));
hdev->discovery.state = DISCOVERY_STOPPED;
+ hdev->inq_tx_power = HCI_TX_POWER_INVALID;
+ hdev->adv_tx_power = HCI_TX_POWER_INVALID;
+
+ memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
+ hdev->adv_data_len = 0;
}
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -223,6 +229,9 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
hci_dev_unlock(hdev);
+ if (!status && !test_bit(HCI_INIT, &hdev->flags))
+ hci_update_ad(hdev);
+
hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
}
@@ -438,7 +447,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
- void *sent;
+ struct hci_cp_write_ssp_mode *sent;
BT_DBG("%s status 0x%2.2x", hdev->name, status);
@@ -446,10 +455,17 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
if (!sent)
return;
+ if (!status) {
+ if (sent->mode)
+ hdev->host_features[0] |= LMP_HOST_SSP;
+ else
+ hdev->host_features[0] &= ~LMP_HOST_SSP;
+ }
+
if (test_bit(HCI_MGMT, &hdev->dev_flags))
- mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
+ mgmt_ssp_enable_complete(hdev, sent->mode, status);
else if (!status) {
- if (*((u8 *) sent))
+ if (sent->mode)
set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
else
clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
@@ -458,10 +474,10 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
{
- if (hdev->features[6] & LMP_EXT_INQ)
+ if (lmp_ext_inq_capable(hdev))
return 2;
- if (hdev->features[3] & LMP_RSSI_INQ)
+ if (lmp_inq_rssi_capable(hdev))
return 1;
if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
@@ -505,28 +521,30 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
if (hdev->hci_ver < BLUETOOTH_VER_1_2)
return;
- events[4] |= 0x01; /* Flow Specification Complete */
- events[4] |= 0x02; /* Inquiry Result with RSSI */
- events[4] |= 0x04; /* Read Remote Extended Features Complete */
- events[5] |= 0x08; /* Synchronous Connection Complete */
- events[5] |= 0x10; /* Synchronous Connection Changed */
+ if (lmp_bredr_capable(hdev)) {
+ events[4] |= 0x01; /* Flow Specification Complete */
+ events[4] |= 0x02; /* Inquiry Result with RSSI */
+ events[4] |= 0x04; /* Read Remote Extended Features Complete */
+ events[5] |= 0x08; /* Synchronous Connection Complete */
+ events[5] |= 0x10; /* Synchronous Connection Changed */
+ }
- if (hdev->features[3] & LMP_RSSI_INQ)
+ if (lmp_inq_rssi_capable(hdev))
events[4] |= 0x02; /* Inquiry Result with RSSI */
if (lmp_sniffsubr_capable(hdev))
events[5] |= 0x20; /* Sniff Subrating */
- if (hdev->features[5] & LMP_PAUSE_ENC)
+ if (lmp_pause_enc_capable(hdev))
events[5] |= 0x80; /* Encryption Key Refresh Complete */
- if (hdev->features[6] & LMP_EXT_INQ)
+ if (lmp_ext_inq_capable(hdev))
events[5] |= 0x40; /* Extended Inquiry Result */
if (lmp_no_flush_capable(hdev))
events[7] |= 0x01; /* Enhanced Flush Complete */
- if (hdev->features[7] & LMP_LSTO)
+ if (lmp_lsto_capable(hdev))
events[6] |= 0x80; /* Link Supervision Timeout Changed */
if (lmp_ssp_capable(hdev)) {
@@ -546,6 +564,53 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
events[7] |= 0x20; /* LE Meta-Event */
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
+
+ if (lmp_le_capable(hdev)) {
+ memset(events, 0, sizeof(events));
+ events[0] = 0x1f;
+ hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK,
+ sizeof(events), events);
+ }
+}
+
+static void bredr_setup(struct hci_dev *hdev)
+{
+ struct hci_cp_delete_stored_link_key cp;
+ __le16 param;
+ __u8 flt_type;
+
+ /* Read Buffer Size (ACL mtu, max pkt, etc.) */
+ hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
+
+ /* Read Class of Device */
+ hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
+
+ /* Read Local Name */
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL);
+
+ /* Read Voice Setting */
+ hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL);
+
+ /* Clear Event Filters */
+ flt_type = HCI_FLT_CLEAR_ALL;
+ hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
+
+ /* Connection accept timeout ~20 secs */
+ param = __constant_cpu_to_le16(0x7d00);
+ hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
+
+ bacpy(&cp.bdaddr, BDADDR_ANY);
+ cp.delete_all = 1;
+ hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
+}
+
+static void le_setup(struct hci_dev *hdev)
+{
+ /* Read LE Buffer Size */
+ hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
+
+ /* Read LE Advertising Channel TX Power */
+ hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
}
static void hci_setup(struct hci_dev *hdev)
@@ -553,6 +618,15 @@ static void hci_setup(struct hci_dev *hdev)
if (hdev->dev_type != HCI_BREDR)
return;
+ /* Read BD Address */
+ hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);
+
+ if (lmp_bredr_capable(hdev))
+ bredr_setup(hdev);
+
+ if (lmp_le_capable(hdev))
+ le_setup(hdev);
+
hci_setup_event_mask(hdev);
if (hdev->hci_ver > BLUETOOTH_VER_1_1)
@@ -573,13 +647,13 @@ static void hci_setup(struct hci_dev *hdev)
}
}
- if (hdev->features[3] & LMP_RSSI_INQ)
+ if (lmp_inq_rssi_capable(hdev))
hci_setup_inquiry_mode(hdev);
- if (hdev->features[7] & LMP_INQ_TX_PWR)
+ if (lmp_inq_tx_pwr_capable(hdev))
hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
- if (hdev->features[7] & LMP_EXTFEATURES) {
+ if (lmp_ext_feat_capable(hdev)) {
struct hci_cp_read_local_ext_features cp;
cp.page = 0x01;
@@ -626,11 +700,11 @@ static void hci_setup_link_policy(struct hci_dev *hdev)
if (lmp_rswitch_capable(hdev))
link_policy |= HCI_LP_RSWITCH;
- if (hdev->features[0] & LMP_HOLD)
+ if (lmp_hold_capable(hdev))
link_policy |= HCI_LP_HOLD;
if (lmp_sniff_capable(hdev))
link_policy |= HCI_LP_SNIFF;
- if (hdev->features[1] & LMP_PARK)
+ if (lmp_park_capable(hdev))
link_policy |= HCI_LP_PARK;
cp.policy = cpu_to_le16(link_policy);
@@ -720,10 +794,10 @@ static void hci_set_le_support(struct hci_dev *hdev)
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
cp.le = 1;
- cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+ cp.simul = lmp_le_br_capable(hdev);
}
- if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
+ if (cp.le != lmp_host_le_capable(hdev))
hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
&cp);
}
@@ -846,7 +920,7 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
if (rp->status)
- return;
+ goto a2mp_rsp;
hdev->amp_status = rp->amp_status;
hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
@@ -860,6 +934,46 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
+
+a2mp_rsp:
+ a2mp_send_getinfo_rsp(hdev);
+}
+
+static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
+ 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 a2mp_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;
+
+a2mp_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);
}
static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
@@ -976,6 +1090,31 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
}
+static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status) {
+ hdev->adv_tx_power = rp->tx_power;
+ if (!test_bit(HCI_INIT, &hdev->flags))
+ hci_update_ad(hdev);
+ }
+
+ hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status);
+}
+
+static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status);
+}
+
static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
@@ -1051,6 +1190,33 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
hci_dev_unlock(hdev);
}
+static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 *sent, status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (!status) {
+ if (*sent)
+ set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
+ else
+ clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
+ }
+
+ hci_dev_unlock(hdev);
+
+ if (!test_bit(HCI_INIT, &hdev->flags))
+ hci_update_ad(hdev);
+
+ hci_req_complete(hdev, HCI_OP_LE_SET_ADV_ENABLE, status);
+}
+
static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -1165,6 +1331,11 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
hdev->host_features[0] |= LMP_HOST_LE;
else
hdev->host_features[0] &= ~LMP_HOST_LE;
+
+ if (sent->simul)
+ hdev->host_features[0] |= LMP_HOST_LE_BREDR;
+ else
+ hdev->host_features[0] &= ~LMP_HOST_LE_BREDR;
}
if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
@@ -1174,6 +1345,20 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
}
+static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
+ 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);
+}
+
static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%2.2x", hdev->name, status);
@@ -1210,7 +1395,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
- BT_DBG("%s bdaddr %s hcon %p", hdev->name, batostr(&cp->bdaddr), conn);
+ BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
if (status) {
if (conn && conn->state == BT_CONNECT) {
@@ -1639,8 +1824,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
return;
}
- BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&conn->dst),
- conn);
+ BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
conn->state = BT_CLOSED;
mgmt_connect_failed(hdev, &conn->dst, conn->type,
@@ -1657,6 +1841,52 @@ static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
BT_DBG("%s status 0x%2.2x", hdev->name, status);
}
+static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
+{
+ 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);
+}
+
+static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
+{
+ 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);
+}
+
+static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+}
+
static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -1817,15 +2047,53 @@ unlock:
hci_conn_check_pending(hdev);
}
+void hci_conn_accept(struct hci_conn *conn, int mask)
+{
+ struct hci_dev *hdev = conn->hdev;
+
+ BT_DBG("conn %p", conn);
+
+ conn->state = BT_CONFIG;
+
+ if (!lmp_esco_capable(hdev)) {
+ struct hci_cp_accept_conn_req cp;
+
+ bacpy(&cp.bdaddr, &conn->dst);
+
+ if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
+ cp.role = 0x00; /* Become master */
+ else
+ cp.role = 0x01; /* Remain slave */
+
+ hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
+ } else /* lmp_esco_capable(hdev)) */ {
+ struct hci_cp_accept_sync_conn_req cp;
+
+ bacpy(&cp.bdaddr, &conn->dst);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
+
+ cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40);
+ cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40);
+ cp.max_latency = __constant_cpu_to_le16(0xffff);
+ cp.content_format = cpu_to_le16(hdev->voice_setting);
+ cp.retrans_effort = 0xff;
+
+ hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
+ sizeof(cp), &cp);
+ }
+}
+
static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_conn_request *ev = (void *) skb->data;
int mask = hdev->link_mode;
+ __u8 flags = 0;
- BT_DBG("%s bdaddr %s type 0x%x", hdev->name, batostr(&ev->bdaddr),
+ BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
ev->link_type);
- mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
+ mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
+ &flags);
if ((mask & HCI_LM_ACCEPT) &&
!hci_blacklist_lookup(hdev, &ev->bdaddr)) {
@@ -1851,12 +2119,13 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
}
memcpy(conn->dev_class, ev->dev_class, 3);
- conn->state = BT_CONNECT;
hci_dev_unlock(hdev);
- if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
+ if (ev->link_type == ACL_LINK ||
+ (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
struct hci_cp_accept_conn_req cp;
+ conn->state = BT_CONNECT;
bacpy(&cp.bdaddr, &ev->bdaddr);
@@ -1867,8 +2136,9 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
&cp);
- } else {
+ } else if (!(flags & HCI_PROTO_DEFER)) {
struct hci_cp_accept_sync_conn_req cp;
+ conn->state = BT_CONNECT;
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.pkt_type = cpu_to_le16(conn->pkt_type);
@@ -1881,6 +2151,10 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
sizeof(cp), &cp);
+ } else {
+ conn->state = BT_CONNECT2;
+ hci_proto_connect_cfm(conn, 0);
+ hci_conn_put(conn);
}
} else {
/* Connection rejected */
@@ -2314,6 +2588,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_read_local_amp_info(hdev, skb);
break;
+ case HCI_OP_READ_LOCAL_AMP_ASSOC:
+ hci_cc_read_local_amp_assoc(hdev, skb);
+ break;
+
case HCI_OP_DELETE_STORED_LINK_KEY:
hci_cc_delete_stored_link_key(hdev, skb);
break;
@@ -2350,6 +2628,14 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_le_read_buffer_size(hdev, skb);
break;
+ case HCI_OP_LE_READ_ADV_TX_POWER:
+ hci_cc_le_read_adv_tx_power(hdev, skb);
+ break;
+
+ case HCI_OP_LE_SET_EVENT_MASK:
+ hci_cc_le_set_event_mask(hdev, skb);
+ break;
+
case HCI_OP_USER_CONFIRM_REPLY:
hci_cc_user_confirm_reply(hdev, skb);
break;
@@ -2370,6 +2656,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_le_set_scan_param(hdev, skb);
break;
+ case HCI_OP_LE_SET_ADV_ENABLE:
+ hci_cc_le_set_adv_enable(hdev, skb);
+ break;
+
case HCI_OP_LE_SET_SCAN_ENABLE:
hci_cc_le_set_scan_enable(hdev, skb);
break;
@@ -2386,6 +2676,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_write_le_host_supported(hdev, skb);
break;
+ case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
+ hci_cc_write_remote_amp_assoc(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
break;
@@ -2467,6 +2761,18 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cs_le_start_enc(hdev, ev->status);
break;
+ case HCI_OP_CREATE_PHY_LINK:
+ hci_cs_create_phylink(hdev, ev->status);
+ break;
+
+ case HCI_OP_ACCEPT_PHY_LINK:
+ hci_cs_accept_phylink(hdev, ev->status);
+ break;
+
+ case HCI_OP_CREATE_LOGICAL_LINK:
+ hci_cs_create_logical_link(hdev, ev->status);
+ break;
+
default:
BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
break;
@@ -2574,6 +2880,27 @@ static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
queue_work(hdev->workqueue, &hdev->tx_work);
}
+static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
+ __u16 handle)
+{
+ struct hci_chan *chan;
+
+ switch (hdev->dev_type) {
+ case HCI_BREDR:
+ return hci_conn_hash_lookup_handle(hdev, handle);
+ case HCI_AMP:
+ chan = hci_chan_lookup_handle(hdev, handle);
+ if (chan)
+ return chan->conn;
+ break;
+ default:
+ BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
+ break;
+ }
+
+ return NULL;
+}
+
static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
@@ -2595,13 +2922,13 @@ static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
for (i = 0; i < ev->num_hndl; i++) {
struct hci_comp_blocks_info *info = &ev->handles[i];
- struct hci_conn *conn;
+ struct hci_conn *conn = NULL;
__u16 handle, block_count;
handle = __le16_to_cpu(info->handle);
block_count = __le16_to_cpu(info->blocks);
- conn = hci_conn_hash_lookup_handle(hdev, handle);
+ conn = __hci_conn_lookup_handle(hdev, handle);
if (!conn)
continue;
@@ -2609,6 +2936,7 @@ static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
switch (conn->type) {
case ACL_LINK:
+ case AMP_LINK:
hdev->block_cnt += block_count;
if (hdev->block_cnt > hdev->num_blocks)
hdev->block_cnt = hdev->num_blocks;
@@ -2705,13 +3033,13 @@ static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
key = hci_find_link_key(hdev, &ev->bdaddr);
if (!key) {
- BT_DBG("%s link key not found for %s", hdev->name,
- batostr(&ev->bdaddr));
+ BT_DBG("%s link key not found for %pMR", hdev->name,
+ &ev->bdaddr);
goto not_found;
}
- BT_DBG("%s found key type %u for %s", hdev->name, key->type,
- batostr(&ev->bdaddr));
+ BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
+ &ev->bdaddr);
if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
key->type == HCI_LK_DEBUG_COMBINATION) {
@@ -3419,6 +3747,130 @@ unlock:
hci_dev_unlock(hdev);
}
+static void hci_phy_link_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_phy_link_complete *ev = (void *) skb->data;
+ struct hci_conn *hcon, *bredr_hcon;
+
+ BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
+ ev->status);
+
+ hci_dev_lock(hdev);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (!hcon) {
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ if (ev->status) {
+ hci_conn_del(hcon);
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
+
+ hcon->state = BT_CONNECTED;
+ bacpy(&hcon->dst, &bredr_hcon->dst);
+
+ hci_conn_hold(hcon);
+ hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_put(hcon);
+
+ hci_conn_hold_device(hcon);
+ hci_conn_add_sysfs(hcon);
+
+ amp_physical_cfm(bredr_hcon, hcon);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_logical_link_complete *ev = (void *) skb->data;
+ struct hci_conn *hcon;
+ struct hci_chan *hchan;
+ struct amp_mgr *mgr;
+
+ BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
+ hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
+ ev->status);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (!hcon)
+ return;
+
+ /* Create AMP hchan */
+ hchan = hci_chan_create(hcon);
+ if (!hchan)
+ return;
+
+ hchan->handle = le16_to_cpu(ev->handle);
+
+ BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
+
+ mgr = hcon->amp_mgr;
+ if (mgr && mgr->bredr_chan) {
+ struct l2cap_chan *bredr_chan = mgr->bredr_chan;
+
+ l2cap_chan_lock(bredr_chan);
+
+ bredr_chan->conn->mtu = hdev->block_mtu;
+ l2cap_logical_cfm(bredr_chan, hchan, 0);
+ hci_conn_hold(hcon);
+
+ l2cap_chan_unlock(bredr_chan);
+ }
+}
+
+static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
+ struct hci_chan *hchan;
+
+ BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
+ le16_to_cpu(ev->handle), ev->status);
+
+ if (ev->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
+ if (!hchan)
+ goto unlock;
+
+ amp_destroy_logical_link(hchan, ev->reason);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
+ struct hci_conn *hcon;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ if (ev->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (hcon) {
+ hcon->state = BT_CLOSED;
+ hci_conn_del(hcon);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_le_conn_complete *ev = (void *) skb->data;
@@ -3558,6 +4010,22 @@ static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
}
}
+static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_channel_selected *ev = (void *) skb->data;
+ struct hci_conn *hcon;
+
+ BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
+
+ skb_pull(skb, sizeof(*ev));
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (!hcon)
+ return;
+
+ amp_read_loc_assoc_final_data(hdev, hcon);
+}
+
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (void *) skb->data;
@@ -3722,10 +4190,30 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_le_meta_evt(hdev, skb);
break;
+ case HCI_EV_CHANNEL_SELECTED:
+ hci_chan_selected_evt(hdev, skb);
+ break;
+
case HCI_EV_REMOTE_OOB_DATA_REQUEST:
hci_remote_oob_data_request_evt(hdev, skb);
break;
+ case HCI_EV_PHY_LINK_COMPLETE:
+ hci_phy_link_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LOGICAL_LINK_COMPLETE:
+ hci_loglink_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
+ hci_disconn_loglink_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
+ hci_disconn_phylink_complete_evt(hdev, skb);
+ break;
+
case HCI_EV_NUM_COMP_BLOCKS:
hci_num_comp_blocks_evt(hdev, skb);
break;
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index a20e61c..55cceee 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -38,7 +38,7 @@ static ssize_t show_link_address(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_conn *conn = to_hci_conn(dev);
- return sprintf(buf, "%s\n", batostr(&conn->dst));
+ return sprintf(buf, "%pMR\n", &conn->dst);
}
static ssize_t show_link_features(struct device *dev,
@@ -224,7 +224,7 @@ static ssize_t show_address(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
- return sprintf(buf, "%s\n", batostr(&hdev->bdaddr));
+ return sprintf(buf, "%pMR\n", &hdev->bdaddr);
}
static ssize_t show_features(struct device *dev,
@@ -406,8 +406,8 @@ static int inquiry_cache_show(struct seq_file *f, void *p)
list_for_each_entry(e, &cache->all, all) {
struct inquiry_data *data = &e->data;
- seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
- batostr(&data->bdaddr),
+ seq_printf(f, "%pMR %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
+ &data->bdaddr,
data->pscan_rep_mode, data->pscan_period_mode,
data->pscan_mode, data->dev_class[2],
data->dev_class[1], data->dev_class[0],
@@ -440,7 +440,7 @@ static int blacklist_show(struct seq_file *f, void *p)
hci_dev_lock(hdev);
list_for_each_entry(b, &hdev->blacklist, list)
- seq_printf(f, "%s\n", batostr(&b->bdaddr));
+ seq_printf(f, "%pMR\n", &b->bdaddr);
hci_dev_unlock(hdev);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index ccd985d..0c00284 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -932,8 +932,12 @@ static int hidp_setup_hid(struct hidp_session *session,
hid->country = req->country;
strncpy(hid->name, req->name, 128);
- strncpy(hid->phys, batostr(&bt_sk(session->ctrl_sock->sk)->src), 64);
- strncpy(hid->uniq, batostr(&bt_sk(session->ctrl_sock->sk)->dst), 64);
+
+ snprintf(hid->phys, sizeof(hid->phys), "%pMR",
+ &bt_sk(session->ctrl_sock->sk)->src);
+
+ snprintf(hid->uniq, sizeof(hid->uniq), "%pMR",
+ &bt_sk(session->ctrl_sock->sk)->dst);
hid->dev.parent = &session->conn->dev;
hid->ll_driver = &hidp_hid_driver;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index a91239d..2c78208 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -38,6 +38,7 @@
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/smp.h>
#include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/amp.h>
bool disable_ertm;
@@ -48,19 +49,19 @@ static LIST_HEAD(chan_list);
static DEFINE_RWLOCK(chan_list_lock);
static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
- u8 code, u8 ident, u16 dlen, void *data);
+ u8 code, u8 ident, u16 dlen, void *data);
static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
- void *data);
+ void *data);
static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data);
-static void l2cap_send_disconn_req(struct l2cap_conn *conn,
- struct l2cap_chan *chan, int err);
+static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err);
static void l2cap_tx(struct l2cap_chan *chan, struct l2cap_ctrl *control,
- struct sk_buff_head *skbs, u8 event);
+ struct sk_buff_head *skbs, u8 event);
/* ---- L2CAP channels ---- */
-static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 cid)
+static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn,
+ u16 cid)
{
struct l2cap_chan *c;
@@ -71,7 +72,8 @@ static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16
return NULL;
}
-static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid)
+static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn,
+ u16 cid)
{
struct l2cap_chan *c;
@@ -84,7 +86,8 @@ static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16
/* Find channel with given SCID.
* Returns locked channel. */
-static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid)
+static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn,
+ u16 cid)
{
struct l2cap_chan *c;
@@ -97,7 +100,25 @@ static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 ci
return c;
}
-static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident)
+/* Find channel with given DCID.
+ * Returns locked channel.
+ */
+static struct l2cap_chan *l2cap_get_chan_by_dcid(struct l2cap_conn *conn,
+ u16 cid)
+{
+ struct l2cap_chan *c;
+
+ mutex_lock(&conn->chan_lock);
+ c = __l2cap_get_chan_by_dcid(conn, cid);
+ if (c)
+ l2cap_chan_lock(c);
+ mutex_unlock(&conn->chan_lock);
+
+ return c;
+}
+
+static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn,
+ u8 ident)
{
struct l2cap_chan *c;
@@ -108,6 +129,20 @@ static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8
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)
+ 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)
{
struct l2cap_chan *c;
@@ -178,7 +213,7 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
static void __l2cap_state_change(struct l2cap_chan *chan, int state)
{
BT_DBG("chan %p %s -> %s", chan, state_to_string(chan->state),
- state_to_string(state));
+ state_to_string(state));
chan->state = state;
chan->ops->state_change(chan, state);
@@ -361,7 +396,7 @@ static void l2cap_seq_list_append(struct l2cap_seq_list *seq_list, u16 seq)
static void l2cap_chan_timeout(struct work_struct *work)
{
struct l2cap_chan *chan = container_of(work, struct l2cap_chan,
- chan_timer.work);
+ chan_timer.work);
struct l2cap_conn *conn = chan->conn;
int reason;
@@ -373,7 +408,7 @@ static void l2cap_chan_timeout(struct work_struct *work)
if (chan->state == BT_CONNECTED || chan->state == BT_CONFIG)
reason = ECONNREFUSED;
else if (chan->state == BT_CONNECT &&
- chan->sec_level != BT_SECURITY_SDP)
+ chan->sec_level != BT_SECURITY_SDP)
reason = ECONNREFUSED;
else
reason = ETIMEDOUT;
@@ -455,7 +490,7 @@ void l2cap_chan_set_defaults(struct l2cap_chan *chan)
set_bit(FLAG_FORCE_ACTIVE, &chan->flags);
}
-static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
+void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
{
BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
__le16_to_cpu(chan->psm), chan->dcid);
@@ -504,7 +539,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
chan->local_msdu = L2CAP_DEFAULT_MAX_SDU_SIZE;
chan->local_sdu_itime = L2CAP_DEFAULT_SDU_ITIME;
chan->local_acc_lat = L2CAP_DEFAULT_ACC_LAT;
- chan->local_flush_to = L2CAP_DEFAULT_FLUSH_TO;
+ chan->local_flush_to = L2CAP_EFS_DEFAULT_FLUSH_TO;
l2cap_chan_hold(chan);
@@ -527,6 +562,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
BT_DBG("chan %p, conn %p, err %d", chan, conn, err);
if (conn) {
+ struct amp_mgr *mgr = conn->hcon->amp_mgr;
/* Delete from channel list */
list_del(&chan->list);
@@ -536,10 +572,19 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
if (chan->chan_type != L2CAP_CHAN_CONN_FIX_A2MP)
hci_conn_put(conn->hcon);
+
+ if (mgr && mgr->bredr_chan == chan)
+ mgr->bredr_chan = NULL;
}
- if (chan->ops->teardown)
- chan->ops->teardown(chan, err);
+ 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);
+ }
+
+ chan->ops->teardown(chan, err);
if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
return;
@@ -573,28 +618,27 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
struct l2cap_conn *conn = chan->conn;
struct sock *sk = chan->sk;
- BT_DBG("chan %p state %s sk %p", chan,
- state_to_string(chan->state), sk);
+ BT_DBG("chan %p state %s sk %p", chan, state_to_string(chan->state),
+ sk);
switch (chan->state) {
case BT_LISTEN:
- if (chan->ops->teardown)
- chan->ops->teardown(chan, 0);
+ chan->ops->teardown(chan, 0);
break;
case BT_CONNECTED:
case BT_CONFIG:
if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
- conn->hcon->type == ACL_LINK) {
+ conn->hcon->type == ACL_LINK) {
__set_chan_timer(chan, sk->sk_sndtimeo);
- l2cap_send_disconn_req(conn, chan, reason);
+ l2cap_send_disconn_req(chan, reason);
} else
l2cap_chan_del(chan, reason);
break;
case BT_CONNECT2:
if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
- conn->hcon->type == ACL_LINK) {
+ conn->hcon->type == ACL_LINK) {
struct l2cap_conn_rsp rsp;
__u16 result;
@@ -609,7 +653,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
rsp.result = cpu_to_le16(result);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
- sizeof(rsp), &rsp);
+ sizeof(rsp), &rsp);
}
l2cap_chan_del(chan, reason);
@@ -621,8 +665,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
break;
default:
- if (chan->ops->teardown)
- chan->ops->teardown(chan, 0);
+ chan->ops->teardown(chan, 0);
break;
}
}
@@ -691,7 +734,8 @@ static u8 l2cap_get_ident(struct l2cap_conn *conn)
return id;
}
-static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data)
+static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
+ void *data)
{
struct sk_buff *skb = l2cap_build_cmd(conn, code, ident, len, data);
u8 flags;
@@ -712,16 +756,31 @@ 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;
u16 flags;
BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len,
- skb->priority);
+ 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;
+ }
if (!test_bit(FLAG_FLUSHABLE, &chan->flags) &&
- lmp_no_flush_capable(hcon->hdev))
+ lmp_no_flush_capable(hcon->hdev))
flags = ACL_START_NO_FLUSH;
else
flags = ACL_START;
@@ -895,6 +954,9 @@ 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;
@@ -946,7 +1008,26 @@ static inline int __l2cap_no_conn_pending(struct l2cap_chan *chan)
return !test_bit(CONF_CONNECT_PEND, &chan->conf_state);
}
-static void l2cap_send_conn_req(struct l2cap_chan *chan)
+static bool __amp_capable(struct l2cap_chan *chan)
+{
+ struct l2cap_conn *conn = chan->conn;
+
+ if (enable_hs &&
+ hci_amp_capable() &&
+ chan->chan_policy == BT_CHANNEL_POLICY_AMP_PREFERRED &&
+ conn->fixed_chan_mask & L2CAP_FC_A2MP)
+ return true;
+ else
+ 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;
struct l2cap_conn_req req;
@@ -961,6 +1042,76 @@ static 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)->control.retries)
+ bt_cb(skb)->control.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)
{
/* This clears all conf flags, including CONF_NOT_COMPLETE */
@@ -972,6 +1123,16 @@ static void l2cap_chan_ready(struct l2cap_chan *chan)
chan->ops->ready(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 {
+ l2cap_send_conn_req(chan);
+ }
+}
+
static void l2cap_do_start(struct l2cap_chan *chan)
{
struct l2cap_conn *conn = chan->conn;
@@ -986,8 +1147,9 @@ static void l2cap_do_start(struct l2cap_chan *chan)
return;
if (l2cap_chan_check_security(chan) &&
- __l2cap_no_conn_pending(chan))
- l2cap_send_conn_req(chan);
+ __l2cap_no_conn_pending(chan)) {
+ l2cap_start_connection(chan);
+ }
} else {
struct l2cap_info_req req;
req.type = __constant_cpu_to_le16(L2CAP_IT_FEAT_MASK);
@@ -997,8 +1159,8 @@ static void l2cap_do_start(struct l2cap_chan *chan)
schedule_delayed_work(&conn->info_timer, L2CAP_INFO_TIMEOUT);
- l2cap_send_cmd(conn, conn->info_ident,
- L2CAP_INFO_REQ, sizeof(req), &req);
+ l2cap_send_cmd(conn, conn->info_ident, L2CAP_INFO_REQ,
+ sizeof(req), &req);
}
}
@@ -1018,9 +1180,10 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
}
}
-static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err)
+static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err)
{
struct sock *sk = chan->sk;
+ struct l2cap_conn *conn = chan->conn;
struct l2cap_disconn_req req;
if (!conn)
@@ -1033,14 +1196,14 @@ static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *c
}
if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP) {
- __l2cap_state_change(chan, BT_DISCONN);
+ 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, sizeof(req), &req);
+ l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_DISCONN_REQ,
+ sizeof(req), &req);
lock_sock(sk);
__l2cap_state_change(chan, BT_DISCONN);
@@ -1069,20 +1232,20 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
if (chan->state == BT_CONNECT) {
if (!l2cap_chan_check_security(chan) ||
- !__l2cap_no_conn_pending(chan)) {
+ !__l2cap_no_conn_pending(chan)) {
l2cap_chan_unlock(chan);
continue;
}
if (!l2cap_mode_supported(chan->mode, conn->feat_mask)
- && test_bit(CONF_STATE2_DEVICE,
+ && test_bit(CONF_STATE2_DEVICE,
&chan->conf_state)) {
l2cap_chan_close(chan, ECONNRESET);
l2cap_chan_unlock(chan);
continue;
}
- l2cap_send_conn_req(chan);
+ l2cap_start_connection(chan);
} else if (chan->state == BT_CONNECT2) {
struct l2cap_conn_rsp rsp;
@@ -1094,11 +1257,9 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
lock_sock(sk);
if (test_bit(BT_SK_DEFER_SETUP,
&bt_sk(sk)->flags)) {
- struct sock *parent = bt_sk(sk)->parent;
rsp.result = __constant_cpu_to_le16(L2CAP_CR_PEND);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_AUTHOR_PEND);
- if (parent)
- parent->sk_data_ready(parent, 0);
+ chan->ops->defer(chan);
} else {
__l2cap_state_change(chan, BT_CONFIG);
@@ -1112,17 +1273,17 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
}
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
- sizeof(rsp), &rsp);
+ sizeof(rsp), &rsp);
if (test_bit(CONF_REQ_SENT, &chan->conf_state) ||
- rsp.result != L2CAP_CR_SUCCESS) {
+ rsp.result != L2CAP_CR_SUCCESS) {
l2cap_chan_unlock(chan);
continue;
}
set_bit(CONF_REQ_SENT, &chan->conf_state);
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(chan, buf), buf);
+ l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
}
@@ -1204,8 +1365,6 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
bacpy(&bt_sk(sk)->src, conn->src);
bacpy(&bt_sk(sk)->dst, conn->dst);
- bt_accept_enqueue(parent, sk);
-
l2cap_chan_add(conn, chan);
l2cap_chan_ready(chan);
@@ -1270,7 +1429,7 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err)
list_for_each_entry(chan, &conn->chan_l, list) {
if (test_bit(FLAG_FORCE_RELIABLE, &chan->flags))
- __l2cap_chan_set_err(chan, err);
+ l2cap_chan_set_err(chan, err);
}
mutex_unlock(&conn->chan_lock);
@@ -1279,7 +1438,7 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err)
static void l2cap_info_timeout(struct work_struct *work)
{
struct l2cap_conn *conn = container_of(work, struct l2cap_conn,
- info_timer.work);
+ info_timer.work);
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
conn->info_ident = 0;
@@ -1333,7 +1492,7 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
static void security_timeout(struct work_struct *work)
{
struct l2cap_conn *conn = container_of(work, struct l2cap_conn,
- security_timer.work);
+ security_timer.work);
BT_DBG("conn %p", conn);
@@ -1355,7 +1514,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
if (!hchan)
return NULL;
- conn = kzalloc(sizeof(struct l2cap_conn), GFP_ATOMIC);
+ conn = kzalloc(sizeof(struct l2cap_conn), GFP_KERNEL);
if (!conn) {
hci_chan_del(hchan);
return NULL;
@@ -1367,10 +1526,22 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);
- if (hcon->hdev->le_mtu && hcon->type == LE_LINK)
- conn->mtu = hcon->hdev->le_mtu;
- else
+ switch (hcon->type) {
+ case AMP_LINK:
+ conn->mtu = hcon->hdev->block_mtu;
+ break;
+
+ case LE_LINK:
+ if (hcon->hdev->le_mtu) {
+ conn->mtu = hcon->hdev->le_mtu;
+ break;
+ }
+ /* fall through */
+
+ default:
conn->mtu = hcon->hdev->acl_mtu;
+ break;
+ }
conn->src = &hcon->hdev->bdaddr;
conn->dst = &hcon->dst;
@@ -1448,7 +1619,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
__u8 auth_type;
int err;
- BT_DBG("%s -> %s (type %u) psm 0x%2.2x", batostr(src), batostr(dst),
+ BT_DBG("%pMR -> %pMR (type %u) psm 0x%2.2x", src, dst,
dst_type, __le16_to_cpu(psm));
hdev = hci_get_route(dst, src);
@@ -1461,7 +1632,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
/* PSM must be odd and lsb of upper byte must be 0 */
if ((__le16_to_cpu(psm) & 0x0101) != 0x0001 && !cid &&
- chan->chan_type != L2CAP_CHAN_RAW) {
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
goto done;
}
@@ -1657,6 +1828,9 @@ 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)) {
@@ -1699,6 +1873,9 @@ 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) {
@@ -1764,13 +1941,16 @@ 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);
skb = l2cap_ertm_seq_in_queue(&chan->tx_q, seq);
if (!skb) {
BT_DBG("Error: Can't retransmit seq %d, frame missing",
- seq);
+ seq);
continue;
}
@@ -1780,7 +1960,7 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan)
if (chan->max_tx != 0 &&
bt_cb(skb)->control.retries > chan->max_tx) {
BT_DBG("Retry limit exceeded (%d)", chan->max_tx);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
l2cap_seq_list_clear(&chan->retrans_list);
break;
}
@@ -1795,9 +1975,9 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan)
/* Cloned sk_buffs are read-only, so we need a
* writeable copy
*/
- tx_skb = skb_copy(skb, GFP_ATOMIC);
+ tx_skb = skb_copy(skb, GFP_KERNEL);
} else {
- tx_skb = skb_clone(skb, GFP_ATOMIC);
+ tx_skb = skb_clone(skb, GFP_KERNEL);
}
if (!tx_skb) {
@@ -1855,7 +2035,7 @@ static void l2cap_retransmit_all(struct l2cap_chan *chan,
if (chan->unacked_frames) {
skb_queue_walk(&chan->tx_q, skb) {
if (bt_cb(skb)->control.txseq == control->reqseq ||
- skb == chan->tx_send_head)
+ skb == chan->tx_send_head)
break;
}
@@ -2106,7 +2286,9 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan,
/* PDU size is derived from the HCI MTU */
pdu_len = chan->conn->mtu;
- pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD);
+ /* Constrain PDU size for BR/EDR connections */
+ if (!chan->hs_hcon)
+ pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD);
/* Adjust for largest possible L2CAP overhead. */
if (chan->fcs)
@@ -2156,7 +2338,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan,
}
int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
- u32 priority)
+ u32 priority)
{
struct sk_buff *skb;
int err;
@@ -2484,7 +2666,7 @@ static void l2cap_tx_state_wait_f(struct l2cap_chan *chan,
__set_monitor_timer(chan);
chan->retry_count++;
} else {
- l2cap_send_disconn_req(chan->conn, chan, ECONNABORTED);
+ l2cap_send_disconn_req(chan, ECONNABORTED);
}
break;
default:
@@ -2543,7 +2725,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
/* Don't send frame to the socket it came from */
if (skb->sk == sk)
continue;
- nskb = skb_clone(skb, GFP_ATOMIC);
+ nskb = skb_clone(skb, GFP_KERNEL);
if (!nskb)
continue;
@@ -2569,7 +2751,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code,
len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen;
count = min_t(unsigned int, conn->mtu, len);
- skb = bt_skb_alloc(count, GFP_ATOMIC);
+ skb = bt_skb_alloc(count, GFP_KERNEL);
if (!skb)
return NULL;
@@ -2599,7 +2781,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code,
while (len) {
count = min_t(unsigned int, conn->mtu, len);
- *frag = bt_skb_alloc(count, GFP_ATOMIC);
+ *frag = bt_skb_alloc(count, GFP_KERNEL);
if (!*frag)
goto fail;
@@ -2618,7 +2800,8 @@ fail:
return NULL;
}
-static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned long *val)
+static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen,
+ unsigned long *val)
{
struct l2cap_conf_opt *opt = *ptr;
int len;
@@ -2692,7 +2875,7 @@ static void l2cap_add_opt_efs(void **ptr, struct l2cap_chan *chan)
efs.msdu = cpu_to_le16(chan->local_msdu);
efs.sdu_itime = cpu_to_le32(chan->local_sdu_itime);
efs.acc_lat = __constant_cpu_to_le32(L2CAP_DEFAULT_ACC_LAT);
- efs.flush_to = __constant_cpu_to_le32(L2CAP_DEFAULT_FLUSH_TO);
+ efs.flush_to = __constant_cpu_to_le32(L2CAP_EFS_DEFAULT_FLUSH_TO);
break;
case L2CAP_MODE_STREAMING:
@@ -2709,7 +2892,7 @@ static void l2cap_add_opt_efs(void **ptr, struct l2cap_chan *chan)
}
l2cap_add_conf_opt(ptr, L2CAP_CONF_EFS, sizeof(efs),
- (unsigned long) &efs);
+ (unsigned long) &efs);
}
static void l2cap_ack_timeout(struct work_struct *work)
@@ -2749,6 +2932,11 @@ int l2cap_ertm_init(struct l2cap_chan *chan)
skb_queue_head_init(&chan->tx_q);
+ chan->local_amp_id = 0;
+ chan->move_id = 0;
+ chan->move_state = L2CAP_MOVE_STABLE;
+ chan->move_role = L2CAP_MOVE_ROLE_NONE;
+
if (chan->mode != L2CAP_MODE_ERTM)
return 0;
@@ -2795,16 +2983,54 @@ static inline bool __l2cap_efs_supported(struct l2cap_chan *chan)
return enable_hs && chan->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 && 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 = __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+ rfc->monitor_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+ }
+}
+
static inline void l2cap_txwin_setup(struct l2cap_chan *chan)
{
if (chan->tx_win > L2CAP_DEFAULT_TX_WINDOW &&
- __l2cap_ews_supported(chan)) {
+ __l2cap_ews_supported(chan)) {
/* use extended control field */
set_bit(FLAG_EXT_CTRL, &chan->flags);
chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
} else {
chan->tx_win = min_t(u16, chan->tx_win,
- L2CAP_DEFAULT_TX_WINDOW);
+ L2CAP_DEFAULT_TX_WINDOW);
chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW;
}
chan->ack_win = chan->tx_win;
@@ -2844,7 +3070,7 @@ done:
switch (chan->mode) {
case L2CAP_MODE_BASIC:
if (!(chan->conn->feat_mask & L2CAP_FEAT_ERTM) &&
- !(chan->conn->feat_mask & L2CAP_FEAT_STREAMING))
+ !(chan->conn->feat_mask & L2CAP_FEAT_STREAMING))
break;
rfc.mode = L2CAP_MODE_BASIC;
@@ -2855,44 +3081,42 @@ done:
rfc.max_pdu_size = 0;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
- (unsigned long) &rfc);
+ (unsigned long) &rfc);
break;
case L2CAP_MODE_ERTM:
rfc.mode = L2CAP_MODE_ERTM;
rfc.max_transmit = chan->max_tx;
- rfc.retrans_timeout = 0;
- rfc.monitor_timeout = 0;
+
+ __l2cap_set_ertm_timeouts(chan, &rfc);
size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu -
- L2CAP_EXT_HDR_SIZE -
- L2CAP_SDULEN_SIZE -
- L2CAP_FCS_SIZE);
+ L2CAP_EXT_HDR_SIZE - L2CAP_SDULEN_SIZE -
+ L2CAP_FCS_SIZE);
rfc.max_pdu_size = cpu_to_le16(size);
l2cap_txwin_setup(chan);
rfc.txwin_size = min_t(u16, chan->tx_win,
- L2CAP_DEFAULT_TX_WINDOW);
+ L2CAP_DEFAULT_TX_WINDOW);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
- (unsigned long) &rfc);
+ (unsigned long) &rfc);
if (test_bit(FLAG_EFS_ENABLE, &chan->flags))
l2cap_add_opt_efs(&ptr, chan);
- if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS))
- break;
-
- if (chan->fcs == L2CAP_FCS_NONE ||
- test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) {
- chan->fcs = L2CAP_FCS_NONE;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
- }
-
if (test_bit(FLAG_EXT_CTRL, &chan->flags))
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
- chan->tx_win);
+ chan->tx_win);
+
+ if (chan->conn->feat_mask & L2CAP_FEAT_FCS)
+ if (chan->fcs == L2CAP_FCS_NONE ||
+ test_bit(CONF_RECV_NO_FCS, &chan->conf_state)) {
+ chan->fcs = L2CAP_FCS_NONE;
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1,
+ chan->fcs);
+ }
break;
case L2CAP_MODE_STREAMING:
@@ -2904,25 +3128,23 @@ done:
rfc.monitor_timeout = 0;
size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu -
- L2CAP_EXT_HDR_SIZE -
- L2CAP_SDULEN_SIZE -
- L2CAP_FCS_SIZE);
+ L2CAP_EXT_HDR_SIZE - L2CAP_SDULEN_SIZE -
+ L2CAP_FCS_SIZE);
rfc.max_pdu_size = cpu_to_le16(size);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
- (unsigned long) &rfc);
+ (unsigned long) &rfc);
if (test_bit(FLAG_EFS_ENABLE, &chan->flags))
l2cap_add_opt_efs(&ptr, chan);
- if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS))
- break;
-
- if (chan->fcs == L2CAP_FCS_NONE ||
- test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) {
- chan->fcs = L2CAP_FCS_NONE;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
- }
+ if (chan->conn->feat_mask & L2CAP_FEAT_FCS)
+ if (chan->fcs == L2CAP_FCS_NONE ||
+ test_bit(CONF_RECV_NO_FCS, &chan->conf_state)) {
+ chan->fcs = L2CAP_FCS_NONE;
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1,
+ chan->fcs);
+ }
break;
}
@@ -2974,7 +3196,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
case L2CAP_CONF_FCS:
if (val == L2CAP_FCS_NONE)
- set_bit(CONF_NO_FCS_RECV, &chan->conf_state);
+ set_bit(CONF_RECV_NO_FCS, &chan->conf_state);
break;
case L2CAP_CONF_EFS:
@@ -3011,7 +3233,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
case L2CAP_MODE_ERTM:
if (!test_bit(CONF_STATE2_DEVICE, &chan->conf_state)) {
chan->mode = l2cap_select_mode(rfc.mode,
- chan->conn->feat_mask);
+ chan->conn->feat_mask);
break;
}
@@ -3036,8 +3258,8 @@ done:
if (chan->num_conf_rsp == 1)
return -ECONNREFUSED;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
+ (unsigned long) &rfc);
}
if (result == L2CAP_CONF_SUCCESS) {
@@ -3054,8 +3276,8 @@ done:
if (remote_efs) {
if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != chan->local_stype) {
+ efs.stype != L2CAP_SERV_NOTRAFIC &&
+ efs.stype != chan->local_stype) {
result = L2CAP_CONF_UNACCEPT;
@@ -3063,8 +3285,8 @@ done:
return -ECONNREFUSED;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS,
- sizeof(efs),
- (unsigned long) &efs);
+ sizeof(efs),
+ (unsigned long) &efs);
} else {
/* Send PENDING Conf Rsp */
result = L2CAP_CONF_PENDING;
@@ -3087,51 +3309,45 @@ done:
chan->remote_max_tx = rfc.max_transmit;
size = min_t(u16, le16_to_cpu(rfc.max_pdu_size),
- chan->conn->mtu -
- L2CAP_EXT_HDR_SIZE -
- L2CAP_SDULEN_SIZE -
- L2CAP_FCS_SIZE);
+ chan->conn->mtu - L2CAP_EXT_HDR_SIZE -
+ L2CAP_SDULEN_SIZE - L2CAP_FCS_SIZE);
rfc.max_pdu_size = cpu_to_le16(size);
chan->remote_mps = size;
- rfc.retrans_timeout =
- __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
- rfc.monitor_timeout =
- __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+ __l2cap_set_ertm_timeouts(chan, &rfc);
set_bit(CONF_MODE_DONE, &chan->conf_state);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc);
+ sizeof(rfc), (unsigned long) &rfc);
if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) {
chan->remote_id = efs.id;
chan->remote_stype = efs.stype;
chan->remote_msdu = le16_to_cpu(efs.msdu);
chan->remote_flush_to =
- le32_to_cpu(efs.flush_to);
+ le32_to_cpu(efs.flush_to);
chan->remote_acc_lat =
- le32_to_cpu(efs.acc_lat);
+ le32_to_cpu(efs.acc_lat);
chan->remote_sdu_itime =
le32_to_cpu(efs.sdu_itime);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS,
- sizeof(efs), (unsigned long) &efs);
+ sizeof(efs),
+ (unsigned long) &efs);
}
break;
case L2CAP_MODE_STREAMING:
size = min_t(u16, le16_to_cpu(rfc.max_pdu_size),
- chan->conn->mtu -
- L2CAP_EXT_HDR_SIZE -
- L2CAP_SDULEN_SIZE -
- L2CAP_FCS_SIZE);
+ chan->conn->mtu - L2CAP_EXT_HDR_SIZE -
+ L2CAP_SDULEN_SIZE - L2CAP_FCS_SIZE);
rfc.max_pdu_size = cpu_to_le16(size);
chan->remote_mps = size;
set_bit(CONF_MODE_DONE, &chan->conf_state);
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
+ (unsigned long) &rfc);
break;
@@ -3152,7 +3368,8 @@ done:
return ptr - data;
}
-static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, void *data, u16 *result)
+static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
+ void *data, u16 *result)
{
struct l2cap_conf_req *req = data;
void *ptr = req->data;
@@ -3179,7 +3396,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
case L2CAP_CONF_FLUSH_TO:
chan->flush_to = val;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO,
- 2, chan->flush_to);
+ 2, chan->flush_to);
break;
case L2CAP_CONF_RFC:
@@ -3187,13 +3404,13 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
memcpy(&rfc, (void *)val, olen);
if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
- rfc.mode != chan->mode)
+ rfc.mode != chan->mode)
return -ECONNREFUSED;
chan->fcs = 0;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc);
+ sizeof(rfc), (unsigned long) &rfc);
break;
case L2CAP_CONF_EWS:
@@ -3207,12 +3424,19 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
memcpy(&efs, (void *)val, olen);
if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != chan->local_stype)
+ efs.stype != L2CAP_SERV_NOTRAFIC &&
+ efs.stype != chan->local_stype)
return -ECONNREFUSED;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS,
- sizeof(efs), (unsigned long) &efs);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
+ (unsigned long) &efs);
+ break;
+
+ case L2CAP_CONF_FCS:
+ if (*result == L2CAP_CONF_PENDING)
+ if (val == L2CAP_FCS_NONE)
+ set_bit(CONF_RECV_NO_FCS,
+ &chan->conf_state);
break;
}
}
@@ -3235,10 +3459,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) {
chan->local_msdu = le16_to_cpu(efs.msdu);
chan->local_sdu_itime =
- le32_to_cpu(efs.sdu_itime);
+ le32_to_cpu(efs.sdu_itime);
chan->local_acc_lat = le32_to_cpu(efs.acc_lat);
chan->local_flush_to =
- le32_to_cpu(efs.flush_to);
+ le32_to_cpu(efs.flush_to);
}
break;
@@ -3253,7 +3477,8 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
return ptr - data;
}
-static int l2cap_build_conf_rsp(struct l2cap_chan *chan, void *data, u16 result, u16 flags)
+static int l2cap_build_conf_rsp(struct l2cap_chan *chan, void *data,
+ u16 result, u16 flags)
{
struct l2cap_conf_rsp *rsp = data;
void *ptr = rsp->data;
@@ -3272,19 +3497,27 @@ void __l2cap_connect_rsp_defer(struct l2cap_chan *chan)
struct l2cap_conn_rsp rsp;
struct l2cap_conn *conn = chan->conn;
u8 buf[128];
+ u8 rsp_code;
rsp.scid = cpu_to_le16(chan->dcid);
rsp.dcid = cpu_to_le16(chan->scid);
rsp.result = __constant_cpu_to_le16(L2CAP_CR_SUCCESS);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);
- l2cap_send_cmd(conn, chan->ident,
- L2CAP_CONN_RSP, sizeof(rsp), &rsp);
+
+ if (chan->hs_hcon)
+ rsp_code = L2CAP_CREATE_CHAN_RSP;
+ else
+ rsp_code = L2CAP_CONN_RSP;
+
+ BT_DBG("chan %p rsp_code %u", chan, rsp_code);
+
+ l2cap_send_cmd(conn, chan->ident, rsp_code, sizeof(rsp), &rsp);
if (test_and_set_bit(CONF_REQ_SENT, &chan->conf_state))
return;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(chan, buf), buf);
+ l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
}
@@ -3339,7 +3572,8 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
}
}
-static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_command_rej(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_cmd_rej_unk *rej = (struct l2cap_cmd_rej_unk *) data;
@@ -3347,7 +3581,7 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd
return 0;
if ((conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) &&
- cmd->ident == conn->info_ident) {
+ cmd->ident == conn->info_ident) {
cancel_delayed_work(&conn->info_timer);
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
@@ -3359,7 +3593,9 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd
return 0;
}
-static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd,
+ u8 *data, u8 rsp_code, u8 amp_id)
{
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
@@ -3386,7 +3622,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
/* Check if the ACL is secure enough (if not SDP) */
if (psm != __constant_cpu_to_le16(L2CAP_PSM_SDP) &&
- !hci_conn_check_link_mode(conn->hcon)) {
+ !hci_conn_check_link_mode(conn->hcon)) {
conn->disc_reason = HCI_ERROR_AUTH_FAILURE;
result = L2CAP_CR_SEC_BLOCK;
goto response;
@@ -3410,8 +3646,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
bacpy(&bt_sk(sk)->dst, conn->dst);
chan->psm = psm;
chan->dcid = scid;
-
- bt_accept_enqueue(parent, sk);
+ chan->local_amp_id = amp_id;
__l2cap_chan_add(conn, chan);
@@ -3427,10 +3662,19 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
__l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_AUTHOR_PEND;
- parent->sk_data_ready(parent, 0);
+ chan->ops->defer(chan);
} else {
- __l2cap_state_change(chan, BT_CONFIG);
- result = L2CAP_CR_SUCCESS;
+ /* Force pending result for AMP controllers.
+ * The connection will succeed after the
+ * physical link is up.
+ */
+ if (amp_id) {
+ __l2cap_state_change(chan, BT_CONNECT2);
+ result = L2CAP_CR_PEND;
+ } else {
+ __l2cap_state_change(chan, BT_CONFIG);
+ result = L2CAP_CR_SUCCESS;
+ }
status = L2CAP_CS_NO_INFO;
}
} else {
@@ -3453,7 +3697,7 @@ sendresp:
rsp.dcid = cpu_to_le16(dcid);
rsp.result = cpu_to_le16(result);
rsp.status = cpu_to_le16(status);
- l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_RSP, sizeof(rsp), &rsp);
+ l2cap_send_cmd(conn, cmd->ident, rsp_code, sizeof(rsp), &rsp);
if (result == L2CAP_CR_PEND && status == L2CAP_CS_NO_INFO) {
struct l2cap_info_req info;
@@ -3464,23 +3708,31 @@ sendresp:
schedule_delayed_work(&conn->info_timer, L2CAP_INFO_TIMEOUT);
- l2cap_send_cmd(conn, conn->info_ident,
- L2CAP_INFO_REQ, sizeof(info), &info);
+ l2cap_send_cmd(conn, conn->info_ident, L2CAP_INFO_REQ,
+ sizeof(info), &info);
}
if (chan && !test_bit(CONF_REQ_SENT, &chan->conf_state) &&
- result == L2CAP_CR_SUCCESS) {
+ result == L2CAP_CR_SUCCESS) {
u8 buf[128];
set_bit(CONF_REQ_SENT, &chan->conf_state);
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(chan, buf), buf);
+ l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
}
+ return chan;
+}
+
+static int l2cap_connect_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
+{
+ l2cap_connect(conn, cmd, data, L2CAP_CONN_RSP, 0);
return 0;
}
-static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static int l2cap_connect_create_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_conn_rsp *rsp = (struct l2cap_conn_rsp *) data;
u16 scid, dcid, result, status;
@@ -3494,7 +3746,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
status = __le16_to_cpu(rsp->status);
BT_DBG("dcid 0x%4.4x scid 0x%4.4x result 0x%2.2x status 0x%2.2x",
- dcid, scid, result, status);
+ dcid, scid, result, status);
mutex_lock(&conn->chan_lock);
@@ -3527,7 +3779,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
break;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(chan, req), req);
+ l2cap_build_conf_req(chan, req), req);
chan->num_conf_req++;
break;
@@ -3555,11 +3807,29 @@ static inline void set_default_fcs(struct l2cap_chan *chan)
*/
if (chan->mode != L2CAP_MODE_ERTM && chan->mode != L2CAP_MODE_STREAMING)
chan->fcs = L2CAP_FCS_NONE;
- else if (!test_bit(CONF_NO_FCS_RECV, &chan->conf_state))
+ else if (!test_bit(CONF_RECV_NO_FCS, &chan->conf_state))
chan->fcs = L2CAP_FCS_CRC16;
}
-static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
+static void l2cap_send_efs_conf_rsp(struct l2cap_chan *chan, void *data,
+ u8 ident, u16 flags)
+{
+ struct l2cap_conn *conn = chan->conn;
+
+ BT_DBG("conn %p chan %p ident %d flags 0x%4.4x", conn, chan, ident,
+ flags);
+
+ clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state);
+ set_bit(CONF_OUTPUT_DONE, &chan->conf_state);
+
+ l2cap_send_cmd(conn, ident, L2CAP_CONF_RSP,
+ l2cap_build_conf_rsp(chan, data,
+ L2CAP_CONF_SUCCESS, flags), data);
+}
+
+static inline int l2cap_config_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_conf_req *req = (struct l2cap_conf_req *) data;
u16 dcid, flags;
@@ -3584,7 +3854,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
rej.dcid = cpu_to_le16(chan->dcid);
l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ,
- sizeof(rej), &rej);
+ sizeof(rej), &rej);
goto unlock;
}
@@ -3592,8 +3862,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
len = cmd_len - sizeof(*req);
if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
- l2cap_build_conf_rsp(chan, rsp,
- L2CAP_CONF_REJECT, flags), rsp);
+ l2cap_build_conf_rsp(chan, rsp,
+ L2CAP_CONF_REJECT, flags), rsp);
goto unlock;
}
@@ -3604,18 +3874,19 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
if (flags & L2CAP_CONF_FLAG_CONTINUATION) {
/* Incomplete config. Send empty response. */
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
- l2cap_build_conf_rsp(chan, rsp,
- L2CAP_CONF_SUCCESS, flags), rsp);
+ l2cap_build_conf_rsp(chan, rsp,
+ L2CAP_CONF_SUCCESS, flags), rsp);
goto unlock;
}
/* Complete config. */
len = l2cap_parse_conf_req(chan, rsp);
if (len < 0) {
- l2cap_send_disconn_req(conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto unlock;
}
+ chan->ident = cmd->ident;
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, len, rsp);
chan->num_conf_rsp++;
@@ -3633,7 +3904,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
err = l2cap_ertm_init(chan);
if (err < 0)
- l2cap_send_disconn_req(chan->conn, chan, -err);
+ l2cap_send_disconn_req(chan, -err);
else
l2cap_chan_ready(chan);
@@ -3643,23 +3914,22 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
if (!test_and_set_bit(CONF_REQ_SENT, &chan->conf_state)) {
u8 buf[64];
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(chan, buf), buf);
+ l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
}
/* Got Conf Rsp PENDING from remote side and asume we sent
Conf Rsp PENDING in the code above */
if (test_bit(CONF_REM_CONF_PEND, &chan->conf_state) &&
- test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) {
+ test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) {
/* check compatibility */
- clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state);
- set_bit(CONF_OUTPUT_DONE, &chan->conf_state);
-
- l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
- l2cap_build_conf_rsp(chan, rsp,
- L2CAP_CONF_SUCCESS, flags), rsp);
+ /* 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;
}
unlock:
@@ -3667,7 +3937,8 @@ unlock:
return err;
}
-static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_config_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_conf_rsp *rsp = (struct l2cap_conf_rsp *)data;
u16 scid, flags, result;
@@ -3699,20 +3970,21 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
char buf[64];
len = l2cap_parse_conf_rsp(chan, rsp->data, len,
- buf, &result);
+ buf, &result);
if (len < 0) {
- l2cap_send_disconn_req(conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto done;
}
- /* check compatibility */
-
- clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state);
- set_bit(CONF_OUTPUT_DONE, &chan->conf_state);
-
- l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
- l2cap_build_conf_rsp(chan, buf,
- L2CAP_CONF_SUCCESS, 0x0000), buf);
+ 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;
+ }
+ }
}
goto done;
@@ -3721,21 +3993,21 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
char req[64];
if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
- l2cap_send_disconn_req(conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto done;
}
/* throw out any old stored conf requests */
result = L2CAP_CONF_SUCCESS;
len = l2cap_parse_conf_rsp(chan, rsp->data, len,
- req, &result);
+ req, &result);
if (len < 0) {
- l2cap_send_disconn_req(conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto done;
}
l2cap_send_cmd(conn, l2cap_get_ident(conn),
- L2CAP_CONF_REQ, len, req);
+ L2CAP_CONF_REQ, len, req);
chan->num_conf_req++;
if (result != L2CAP_CONF_SUCCESS)
goto done;
@@ -3746,7 +4018,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
l2cap_chan_set_err(chan, ECONNRESET);
__set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT);
- l2cap_send_disconn_req(conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto done;
}
@@ -3763,7 +4035,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
err = l2cap_ertm_init(chan);
if (err < 0)
- l2cap_send_disconn_req(chan->conn, chan, -err);
+ l2cap_send_disconn_req(chan, -err);
else
l2cap_chan_ready(chan);
}
@@ -3773,7 +4045,8 @@ done:
return err;
}
-static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_disconn_req *req = (struct l2cap_disconn_req *) data;
struct l2cap_disconn_rsp rsp;
@@ -3819,7 +4092,8 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
}
-static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_disconn_rsp *rsp = (struct l2cap_disconn_rsp *) data;
u16 dcid, scid;
@@ -3853,7 +4127,8 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
}
-static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_information_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_info_req *req = (struct l2cap_info_req *) data;
u16 type;
@@ -3870,14 +4145,14 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm
rsp->result = __constant_cpu_to_le16(L2CAP_IR_SUCCESS);
if (!disable_ertm)
feat_mask |= L2CAP_FEAT_ERTM | L2CAP_FEAT_STREAMING
- | L2CAP_FEAT_FCS;
+ | L2CAP_FEAT_FCS;
if (enable_hs)
feat_mask |= L2CAP_FEAT_EXT_FLOW
- | L2CAP_FEAT_EXT_WINDOW;
+ | L2CAP_FEAT_EXT_WINDOW;
put_unaligned_le32(feat_mask, rsp->data);
- l2cap_send_cmd(conn, cmd->ident,
- L2CAP_INFO_RSP, sizeof(buf), buf);
+ l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf),
+ buf);
} else if (type == L2CAP_IT_FIXED_CHAN) {
u8 buf[12];
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf;
@@ -3890,20 +4165,21 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm
rsp->type = __constant_cpu_to_le16(L2CAP_IT_FIXED_CHAN);
rsp->result = __constant_cpu_to_le16(L2CAP_IR_SUCCESS);
memcpy(rsp->data, l2cap_fixed_chan, sizeof(l2cap_fixed_chan));
- l2cap_send_cmd(conn, cmd->ident,
- L2CAP_INFO_RSP, sizeof(buf), buf);
+ l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf),
+ buf);
} else {
struct l2cap_info_rsp rsp;
rsp.type = cpu_to_le16(type);
rsp.result = __constant_cpu_to_le16(L2CAP_IR_NOTSUPP);
- l2cap_send_cmd(conn, cmd->ident,
- L2CAP_INFO_RSP, sizeof(rsp), &rsp);
+ l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(rsp),
+ &rsp);
}
return 0;
}
-static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_information_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) data;
u16 type, result;
@@ -3915,7 +4191,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
/* L2CAP Info req/rsp are unbound to channels, add extra checks */
if (cmd->ident != conn->info_ident ||
- conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE)
+ conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE)
return 0;
cancel_delayed_work(&conn->info_timer);
@@ -3940,7 +4216,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
conn->info_ident = l2cap_get_ident(conn);
l2cap_send_cmd(conn, conn->info_ident,
- L2CAP_INFO_REQ, sizeof(req), &req);
+ L2CAP_INFO_REQ, sizeof(req), &req);
} else {
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
conn->info_ident = 0;
@@ -3961,12 +4237,14 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
return 0;
}
-static inline int l2cap_create_channel_req(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd, u16 cmd_len,
- void *data)
+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))
@@ -3980,56 +4258,119 @@ static inline int l2cap_create_channel_req(struct l2cap_conn *conn,
BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id);
- /* Placeholder: Always reject */
+ /* For controller id 0 make BR/EDR connection */
+ if (req->amp_id == HCI_BREDR_ID) {
+ 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->dst);
+ if (!hs_hcon) {
+ hci_dev_put(hdev);
+ return -EFAULT;
+ }
+
+ 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 = __constant_cpu_to_le16(L2CAP_CR_NO_MEM);
+ rsp.result = __constant_cpu_to_le16(L2CAP_CR_BAD_AMP);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);
l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP,
sizeof(rsp), &rsp);
- return 0;
+ return -EFAULT;
}
-static inline int l2cap_create_channel_rsp(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd, void *data)
+static void l2cap_send_move_chan_req(struct l2cap_chan *chan, u8 dest_amp_id)
{
- BT_DBG("conn %p", conn);
+ 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);
- return l2cap_connect_rsp(conn, cmd, data);
+ __set_chan_timer(chan, L2CAP_MOVE_TIMEOUT);
}
-static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident,
- u16 icid, u16 result)
+static void l2cap_send_move_chan_rsp(struct l2cap_chan *chan, u16 result)
{
struct l2cap_move_chan_rsp rsp;
- BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
+ BT_DBG("chan %p, result 0x%4.4x", chan, result);
- rsp.icid = cpu_to_le16(icid);
+ rsp.icid = cpu_to_le16(chan->dcid);
rsp.result = cpu_to_le16(result);
- l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_RSP, sizeof(rsp), &rsp);
+ l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_RSP,
+ sizeof(rsp), &rsp);
}
-static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn,
- struct l2cap_chan *chan,
- u16 icid, u16 result)
+static void l2cap_send_move_chan_cfm(struct l2cap_chan *chan, u16 result)
{
struct l2cap_move_chan_cfm cfm;
- u8 ident;
- BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
+ BT_DBG("chan %p, result 0x%4.4x", chan, result);
- ident = l2cap_get_ident(conn);
- if (chan)
- chan->ident = ident;
+ chan->ident = l2cap_get_ident(chan->conn);
- cfm.icid = cpu_to_le16(icid);
+ cfm.icid = cpu_to_le16(chan->scid);
cfm.result = cpu_to_le16(result);
- l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM, sizeof(cfm), &cfm);
+ 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 = __constant_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,
@@ -4043,11 +4384,289 @@ static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident,
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)
+ 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 == HCI_BREDR_ID) {
+ 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 = __constant_cpu_to_le16(L2CAP_CR_SUCCESS);
+ rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);
+ } else {
+ /* Send negative response */
+ rsp.result = __constant_cpu_to_le16(L2CAP_CR_NO_MEM);
+ rsp.status = __constant_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), 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) {
+ l2cap_chan_unlock(chan);
+ 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;
@@ -4061,15 +4680,206 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
if (!enable_hs)
return -EINVAL;
- /* Placeholder: Always refuse */
- l2cap_send_move_chan_rsp(conn, cmd->ident, icid, result);
+ chan = l2cap_get_chan_by_dcid(conn, icid);
+ if (!chan) {
+ rsp.icid = cpu_to_le16(icid);
+ rsp.result = __constant_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) {
+ 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->src, conn->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;
+ icid = chan->dcid;
+
+ if (!req->dest_amp_id) {
+ /* 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);
return 0;
}
-static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
+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);
+}
+
+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);
+}
+
+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;
@@ -4082,17 +4892,20 @@ static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn,
BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result);
- /* Placeholder: Always unconfirmed */
- l2cap_send_move_chan_cfm(conn, NULL, icid, L2CAP_MC_UNCONFIRMED);
+ 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 inline int l2cap_move_channel_confirm(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd,
- u16 cmd_len, void *data)
+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))
@@ -4103,8 +4916,29 @@ static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn,
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)
+ __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);
+
return 0;
}
@@ -4113,6 +4947,7 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
u16 cmd_len, void *data)
{
struct l2cap_move_chan_cfm_rsp *rsp = data;
+ struct l2cap_chan *chan;
u16 icid;
if (cmd_len != sizeof(*rsp))
@@ -4122,11 +4957,28 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
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 && chan->hs_hchan)
+ __release_logical_link(chan);
+
+ l2cap_move_done(chan);
+ }
+
+ l2cap_chan_unlock(chan);
+
return 0;
}
static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency,
- u16 to_multiplier)
+ u16 to_multiplier)
{
u16 max_latency;
@@ -4147,7 +4999,8 @@ static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency,
}
static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd, u8 *data)
+ struct l2cap_cmd_hdr *cmd,
+ u8 *data)
{
struct hci_conn *hcon = conn->hcon;
struct l2cap_conn_param_update_req *req;
@@ -4169,7 +5022,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
to_multiplier = __le16_to_cpu(req->to_multiplier);
BT_DBG("min 0x%4.4x max 0x%4.4x latency: 0x%4.4x Timeout: 0x%4.4x",
- min, max, latency, to_multiplier);
+ min, max, latency, to_multiplier);
memset(&rsp, 0, sizeof(rsp));
@@ -4180,7 +5033,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
rsp.result = __constant_cpu_to_le16(L2CAP_CONN_PARAM_ACCEPTED);
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_PARAM_UPDATE_RSP,
- sizeof(rsp), &rsp);
+ sizeof(rsp), &rsp);
if (!err)
hci_le_conn_update(hcon, min, max, latency, to_multiplier);
@@ -4189,7 +5042,8 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
}
static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
int err = 0;
@@ -4203,7 +5057,8 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
break;
case L2CAP_CONN_RSP:
- err = l2cap_connect_rsp(conn, cmd, data);
+ case L2CAP_CREATE_CHAN_RSP:
+ err = l2cap_connect_create_rsp(conn, cmd, data);
break;
case L2CAP_CONF_REQ:
@@ -4241,10 +5096,6 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
err = l2cap_create_channel_req(conn, cmd, cmd_len, data);
break;
- case L2CAP_CREATE_CHAN_RSP:
- err = l2cap_create_channel_rsp(conn, cmd, data);
- break;
-
case L2CAP_MOVE_CHAN_REQ:
err = l2cap_move_channel_req(conn, cmd, cmd_len, data);
break;
@@ -4271,7 +5122,7 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
}
static inline int l2cap_le_sig_cmd(struct l2cap_conn *conn,
- struct l2cap_cmd_hdr *cmd, u8 *data)
+ struct l2cap_cmd_hdr *cmd, u8 *data)
{
switch (cmd->code) {
case L2CAP_COMMAND_REJ:
@@ -4290,7 +5141,7 @@ static inline int l2cap_le_sig_cmd(struct l2cap_conn *conn,
}
static inline void l2cap_sig_channel(struct l2cap_conn *conn,
- struct sk_buff *skb)
+ struct sk_buff *skb)
{
u8 *data = skb->data;
int len = skb->len;
@@ -4307,7 +5158,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
cmd_len = le16_to_cpu(cmd.len);
- BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len, cmd.ident);
+ BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len,
+ cmd.ident);
if (cmd_len > len || !cmd.ident) {
BT_DBG("corrupted command");
@@ -4326,7 +5178,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
/* FIXME: Map err to a valid reason */
rej.reason = __constant_cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
- l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
+ l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ,
+ sizeof(rej), &rej);
}
data += cmd_len;
@@ -4391,8 +5244,8 @@ static void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
}
}
-static void append_skb_frag(struct sk_buff *skb,
- struct sk_buff *new_frag, struct sk_buff **last_frag)
+static void append_skb_frag(struct sk_buff *skb, struct sk_buff *new_frag,
+ struct sk_buff **last_frag)
{
/* skb->len reflects data in skb as well as all fragments
* skb->data_len reflects only data in fragments
@@ -4492,6 +5345,12 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb,
return err;
}
+static int l2cap_resegment(struct l2cap_chan *chan)
+{
+ /* Placeholder */
+ return 0;
+}
+
void l2cap_chan_busy(struct l2cap_chan *chan, int busy)
{
u8 event;
@@ -4546,7 +5405,7 @@ static void l2cap_handle_srej(struct l2cap_chan *chan,
if (control->reqseq == chan->next_tx_seq) {
BT_DBG("Invalid reqseq %d, disconnecting", control->reqseq);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
return;
}
@@ -4560,7 +5419,7 @@ static void l2cap_handle_srej(struct l2cap_chan *chan,
if (chan->max_tx != 0 && bt_cb(skb)->control.retries >= chan->max_tx) {
BT_DBG("Retry limit exceeded (%d)", chan->max_tx);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
return;
}
@@ -4604,7 +5463,7 @@ static void l2cap_handle_rej(struct l2cap_chan *chan,
if (control->reqseq == chan->next_tx_seq) {
BT_DBG("Invalid reqseq %d, disconnecting", control->reqseq);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
return;
}
@@ -4613,7 +5472,7 @@ static void l2cap_handle_rej(struct l2cap_chan *chan,
if (chan->max_tx && skb &&
bt_cb(skb)->control.retries >= chan->max_tx) {
BT_DBG("Retry limit exceeded (%d)", chan->max_tx);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
return;
}
@@ -4641,7 +5500,7 @@ static u8 l2cap_classify_txseq(struct l2cap_chan *chan, u16 txseq)
if (chan->rx_state == L2CAP_RX_STATE_SREJ_SENT) {
if (__seq_offset(chan, txseq, chan->last_acked_seq) >=
- chan->tx_win) {
+ chan->tx_win) {
/* See notes below regarding "double poll" and
* invalid packets.
*/
@@ -4682,8 +5541,7 @@ static u8 l2cap_classify_txseq(struct l2cap_chan *chan, u16 txseq)
}
if (__seq_offset(chan, txseq, chan->last_acked_seq) <
- __seq_offset(chan, chan->expected_tx_seq,
- chan->last_acked_seq)){
+ __seq_offset(chan, chan->expected_tx_seq, chan->last_acked_seq)) {
BT_DBG("Duplicate - expected_tx_seq later than txseq");
return L2CAP_TXSEQ_DUPLICATE;
}
@@ -4798,8 +5656,7 @@ static int l2cap_rx_state_recv(struct l2cap_chan *chan,
break;
case L2CAP_TXSEQ_INVALID:
default:
- l2cap_send_disconn_req(chan->conn, chan,
- ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
break;
}
break;
@@ -4808,8 +5665,8 @@ 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)) {
+ if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state) &&
+ !__chan_is_moving(chan)) {
control->final = 0;
l2cap_retransmit_all(chan, control);
}
@@ -4932,8 +5789,7 @@ static int l2cap_rx_state_srej_sent(struct l2cap_chan *chan,
break;
case L2CAP_TXSEQ_INVALID:
default:
- l2cap_send_disconn_req(chan->conn, chan,
- ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
break;
}
break;
@@ -4998,6 +5854,96 @@ static int l2cap_rx_state_srej_sent(struct l2cap_chan *chan,
return err;
}
+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;
+
+ return l2cap_resegment(chan);
+}
+
+static int l2cap_rx_state_wait_p(struct l2cap_chan *chan,
+ struct l2cap_ctrl *control,
+ struct sk_buff *skb, u8 event)
+{
+ int err;
+
+ BT_DBG("chan %p, control %p, skb %p, event %d", chan, control, skb,
+ event);
+
+ if (!control->poll)
+ return -EPROTO;
+
+ l2cap_process_reqseq(chan, control->reqseq);
+
+ if (!skb_queue_empty(&chan->tx_q))
+ chan->tx_send_head = skb_peek(&chan->tx_q);
+ else
+ chan->tx_send_head = NULL;
+
+ /* Rewind next_tx_seq to the point expected
+ * by the receiver.
+ */
+ chan->next_tx_seq = control->reqseq;
+ chan->unacked_frames = 0;
+
+ err = l2cap_finish_move(chan);
+ if (err)
+ return err;
+
+ set_bit(CONN_SEND_FBIT, &chan->conn_state);
+ l2cap_send_i_or_rr_or_rnr(chan);
+
+ if (event == L2CAP_EV_RECV_IFRAME)
+ return -EPROTO;
+
+ return l2cap_rx_state_recv(chan, control, NULL, event);
+}
+
+static int l2cap_rx_state_wait_f(struct l2cap_chan *chan,
+ struct l2cap_ctrl *control,
+ struct sk_buff *skb, u8 event)
+{
+ int err;
+
+ if (!control->final)
+ return -EPROTO;
+
+ clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
+
+ chan->rx_state = L2CAP_RX_STATE_RECV;
+ l2cap_process_reqseq(chan, control->reqseq);
+
+ if (!skb_queue_empty(&chan->tx_q))
+ chan->tx_send_head = skb_peek(&chan->tx_q);
+ else
+ chan->tx_send_head = NULL;
+
+ /* Rewind next_tx_seq to the point expected
+ * by the receiver.
+ */
+ 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;
+
+ err = l2cap_resegment(chan);
+
+ if (!err)
+ err = l2cap_rx_state_recv(chan, control, skb, event);
+
+ return err;
+}
+
static bool __valid_reqseq(struct l2cap_chan *chan, u16 reqseq)
{
/* Make sure reqseq is for a packet that has been sent but not acked */
@@ -5024,6 +5970,12 @@ static int l2cap_rx(struct l2cap_chan *chan, struct l2cap_ctrl *control,
err = l2cap_rx_state_srej_sent(chan, control, skb,
event);
break;
+ case L2CAP_RX_STATE_WAIT_P:
+ err = l2cap_rx_state_wait_p(chan, control, skb, event);
+ break;
+ case L2CAP_RX_STATE_WAIT_F:
+ err = l2cap_rx_state_wait_f(chan, control, skb, event);
+ break;
default:
/* shut it down */
break;
@@ -5032,7 +5984,7 @@ static int l2cap_rx(struct l2cap_chan *chan, struct l2cap_ctrl *control,
BT_DBG("Invalid reqseq %d (next_tx_seq %d, expected_ack_seq %d",
control->reqseq, chan->next_tx_seq,
chan->expected_ack_seq);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
}
return err;
@@ -5101,7 +6053,7 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb)
len -= L2CAP_FCS_SIZE;
if (len > chan->mps) {
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto drop;
}
@@ -5126,8 +6078,7 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb)
}
if (err)
- l2cap_send_disconn_req(chan->conn, chan,
- ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
} else {
const u8 rx_func_to_event[4] = {
L2CAP_EV_RECV_RR, L2CAP_EV_RECV_REJ,
@@ -5143,8 +6094,8 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb)
control->super);
if (len != 0) {
- BT_ERR("%d", len);
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ BT_ERR("Trailing bytes: %d in sframe", len);
+ l2cap_send_disconn_req(chan, ECONNRESET);
goto drop;
}
@@ -5155,7 +6106,7 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb)
event = rx_func_to_event[control->super];
if (l2cap_rx(chan, control, skb, event))
- l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ l2cap_send_disconn_req(chan, ECONNRESET);
}
return 0;
@@ -5323,7 +6274,7 @@ int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr)
int exact = 0, lm1 = 0, lm2 = 0;
struct l2cap_chan *c;
- BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr));
+ BT_DBG("hdev %s, bdaddr %pMR", hdev->name, bdaddr);
/* Find listening sockets and check their link_mode */
read_lock(&chan_list_lock);
@@ -5353,15 +6304,15 @@ void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
{
struct l2cap_conn *conn;
- BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status);
+ BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);
if (!status) {
conn = l2cap_conn_add(hcon, status);
if (conn)
l2cap_conn_ready(conn);
- } else
+ } else {
l2cap_conn_del(hcon, bt_to_errno(status));
-
+ }
}
int l2cap_disconn_ind(struct hci_conn *hcon)
@@ -5437,13 +6388,13 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
continue;
}
- if (test_bit(CONF_CONNECT_PEND, &chan->conf_state)) {
+ if (!__l2cap_no_conn_pending(chan)) {
l2cap_chan_unlock(chan);
continue;
}
if (!status && (chan->state == BT_CONNECTED ||
- chan->state == BT_CONFIG)) {
+ chan->state == BT_CONFIG)) {
struct sock *sk = chan->sk;
clear_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags);
@@ -5456,7 +6407,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
if (chan->state == BT_CONNECT) {
if (!status) {
- l2cap_send_conn_req(chan);
+ l2cap_start_connection(chan);
} else {
__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
}
@@ -5470,11 +6421,9 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
if (!status) {
if (test_bit(BT_SK_DEFER_SETUP,
&bt_sk(sk)->flags)) {
- struct sock *parent = bt_sk(sk)->parent;
res = L2CAP_CR_PEND;
stat = L2CAP_CS_AUTHOR_PEND;
- if (parent)
- parent->sk_data_ready(parent, 0);
+ chan->ops->defer(chan);
} else {
__l2cap_state_change(chan, BT_CONFIG);
res = L2CAP_CR_SUCCESS;
@@ -5494,7 +6443,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
rsp.result = cpu_to_le16(res);
rsp.status = cpu_to_le16(stat);
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
- sizeof(rsp), &rsp);
+ sizeof(rsp), &rsp);
if (!test_bit(CONF_REQ_SENT, &chan->conf_state) &&
res == L2CAP_CR_SUCCESS) {
@@ -5519,6 +6468,12 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
{
struct l2cap_conn *conn = hcon->l2cap_data;
+ struct l2cap_hdr *hdr;
+ int len;
+
+ /* For AMP controller do not create l2cap conn */
+ if (!conn && hcon->hdev->dev_type != HCI_BREDR)
+ goto drop;
if (!conn)
conn = l2cap_conn_add(hcon, 0);
@@ -5528,10 +6483,10 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
BT_DBG("conn %p len %d flags 0x%x", conn, skb->len, flags);
- if (!(flags & ACL_CONT)) {
- struct l2cap_hdr *hdr;
- int len;
-
+ switch (flags) {
+ case ACL_START:
+ case ACL_START_NO_FLUSH:
+ case ACL_COMPLETE:
if (conn->rx_len) {
BT_ERR("Unexpected start frame (len %d)", skb->len);
kfree_skb(conn->rx_skb);
@@ -5560,20 +6515,22 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
if (skb->len > len) {
BT_ERR("Frame is too long (len %d, expected len %d)",
- skb->len, len);
+ skb->len, len);
l2cap_conn_unreliable(conn, ECOMM);
goto drop;
}
/* Allocate skb for the complete frame (with header) */
- conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC);
+ conn->rx_skb = bt_skb_alloc(len, GFP_KERNEL);
if (!conn->rx_skb)
goto drop;
skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
- skb->len);
+ skb->len);
conn->rx_len = len - skb->len;
- } else {
+ break;
+
+ case ACL_CONT:
BT_DBG("Cont: frag len %d (expecting %d)", skb->len, conn->rx_len);
if (!conn->rx_len) {
@@ -5584,7 +6541,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
if (skb->len > conn->rx_len) {
BT_ERR("Fragment is too long (len %d, expected %d)",
- skb->len, conn->rx_len);
+ skb->len, conn->rx_len);
kfree_skb(conn->rx_skb);
conn->rx_skb = NULL;
conn->rx_len = 0;
@@ -5593,7 +6550,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
}
skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
- skb->len);
+ skb->len);
conn->rx_len -= skb->len;
if (!conn->rx_len) {
@@ -5601,6 +6558,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
l2cap_recv_frame(conn, conn->rx_skb);
conn->rx_skb = NULL;
}
+ break;
}
drop:
@@ -5617,12 +6575,11 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p)
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
- seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d %d\n",
- batostr(&bt_sk(sk)->src),
- batostr(&bt_sk(sk)->dst),
- c->state, __le16_to_cpu(c->psm),
- c->scid, c->dcid, c->imtu, c->omtu,
- c->sec_level, c->mode);
+ seq_printf(f, "%pMR %pMR %d %d 0x%4.4x 0x%4.4x %d %d %d %d\n",
+ &bt_sk(sk)->src, &bt_sk(sk)->dst,
+ c->state, __le16_to_cpu(c->psm),
+ c->scid, c->dcid, c->imtu, c->omtu,
+ c->sec_level, c->mode);
}
read_unlock(&chan_list_lock);
@@ -5653,8 +6610,8 @@ int __init l2cap_init(void)
return err;
if (bt_debugfs) {
- l2cap_debugfs = debugfs_create_file("l2cap", 0444,
- bt_debugfs, NULL, &l2cap_debugfs_fops);
+ l2cap_debugfs = debugfs_create_file("l2cap", 0444, bt_debugfs,
+ NULL, &l2cap_debugfs_fops);
if (!l2cap_debugfs)
BT_ERR("Failed to create L2CAP debug file");
}
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 083f2bf..1bcfb84 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -40,7 +40,8 @@ static struct bt_sock_list l2cap_sk_list = {
static const struct proto_ops l2cap_sock_ops;
static void l2cap_sock_init(struct sock *sk, struct sock *parent);
-static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio);
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
+ int proto, gfp_t prio);
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
{
@@ -106,7 +107,8 @@ done:
return err;
}
-static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
+static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr,
+ int alen, int flags)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -134,7 +136,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
lock_sock(sk);
err = bt_sock_wait_state(sk, BT_CONNECTED,
- sock_sndtimeo(sk, flags & O_NONBLOCK));
+ sock_sndtimeo(sk, flags & O_NONBLOCK));
release_sock(sk);
@@ -185,7 +187,8 @@ done:
return err;
}
-static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int flags)
+static int l2cap_sock_accept(struct socket *sock, struct socket *newsock,
+ int flags)
{
DECLARE_WAITQUEUE(wait, current);
struct sock *sk = sock->sk, *nsk;
@@ -241,7 +244,8 @@ done:
return err;
}
-static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *len, int peer)
+static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr,
+ int *len, int peer)
{
struct sockaddr_l2 *la = (struct sockaddr_l2 *) addr;
struct sock *sk = sock->sk;
@@ -266,7 +270,8 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
return 0;
}
-static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
+static int l2cap_sock_getsockopt_old(struct socket *sock, int optname,
+ char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -309,7 +314,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
case BT_SECURITY_HIGH:
opt = L2CAP_LM_AUTH | L2CAP_LM_ENCRYPT |
- L2CAP_LM_SECURE;
+ L2CAP_LM_SECURE;
break;
default:
opt = 0;
@@ -353,7 +358,8 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
return err;
}
-static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen)
+static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -377,19 +383,20 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
switch (optname) {
case BT_SECURITY:
if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
- chan->chan_type != L2CAP_CHAN_RAW) {
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
break;
}
memset(&sec, 0, sizeof(sec));
- if (chan->conn)
+ if (chan->conn) {
sec.level = chan->conn->hcon->sec_level;
- else
- sec.level = chan->sec_level;
- if (sk->sk_state == BT_CONNECTED)
- sec.key_size = chan->conn->hcon->enc_key_size;
+ if (sk->sk_state == BT_CONNECTED)
+ sec.key_size = chan->conn->hcon->enc_key_size;
+ } else {
+ sec.level = chan->sec_level;
+ }
len = min_t(unsigned int, len, sizeof(sec));
if (copy_to_user(optval, (char *) &sec, len))
@@ -411,14 +418,14 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
case BT_FLUSHABLE:
if (put_user(test_bit(FLAG_FLUSHABLE, &chan->flags),
- (u32 __user *) optval))
+ (u32 __user *) optval))
err = -EFAULT;
break;
case BT_POWER:
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM
- && sk->sk_type != SOCK_RAW) {
+ && sk->sk_type != SOCK_RAW) {
err = -EINVAL;
break;
}
@@ -466,7 +473,8 @@ static bool l2cap_valid_mtu(struct l2cap_chan *chan, u16 mtu)
return true;
}
-static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen)
+static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
+ char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -529,6 +537,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
chan->fcs = opts.fcs;
chan->max_tx = opts.max_tx;
chan->tx_win = opts.txwin_size;
+ chan->flush_to = opts.flush_to;
break;
case L2CAP_LM:
@@ -564,7 +573,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
return err;
}
-static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
+static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
+ char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -587,7 +597,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
switch (optname) {
case BT_SECURITY:
if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
- chan->chan_type != L2CAP_CHAN_RAW) {
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
break;
}
@@ -601,7 +611,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
}
if (sec.level < BT_SECURITY_LOW ||
- sec.level > BT_SECURITY_HIGH) {
+ sec.level > BT_SECURITY_HIGH) {
err = -EINVAL;
break;
}
@@ -627,7 +637,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
/* or for ACL link */
} else if ((sk->sk_state == BT_CONNECT2 &&
- test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) ||
+ test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) ||
sk->sk_state == BT_CONNECTED) {
if (!l2cap_chan_check_security(chan))
set_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags);
@@ -684,7 +694,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
case BT_POWER:
if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
- chan->chan_type != L2CAP_CHAN_RAW) {
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
break;
}
@@ -720,12 +730,17 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
}
if (chan->mode != L2CAP_MODE_ERTM &&
- chan->mode != L2CAP_MODE_STREAMING) {
+ 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);
+
break;
default:
@@ -737,7 +752,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
return err;
}
-static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len)
+static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
@@ -762,7 +778,8 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
return err;
}
-static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags)
+static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t len, int flags)
{
struct sock *sk = sock->sk;
struct l2cap_pinfo *pi = l2cap_pi(sk);
@@ -866,7 +883,7 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime)
err = bt_sock_wait_state(sk, BT_CLOSED,
- sk->sk_lingertime);
+ sk->sk_lingertime);
}
if (!err && sk->sk_err)
@@ -930,7 +947,7 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
}
sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP,
- GFP_ATOMIC);
+ GFP_ATOMIC);
if (!sk)
return NULL;
@@ -938,6 +955,8 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
l2cap_sock_init(sk, parent);
+ bt_accept_enqueue(parent, sk);
+
return l2cap_pi(sk)->chan;
}
@@ -1068,6 +1087,15 @@ static void l2cap_sock_ready_cb(struct l2cap_chan *chan)
release_sock(sk);
}
+static void l2cap_sock_defer_cb(struct l2cap_chan *chan)
+{
+ struct sock *sk = chan->data;
+ struct sock *parent = bt_sk(sk)->parent;
+
+ if (parent)
+ parent->sk_data_ready(parent, 0);
+}
+
static struct l2cap_ops l2cap_chan_ops = {
.name = "L2CAP Socket Interface",
.new_connection = l2cap_sock_new_connection_cb,
@@ -1076,6 +1104,7 @@ static struct l2cap_ops l2cap_chan_ops = {
.teardown = l2cap_sock_teardown_cb,
.state_change = l2cap_sock_state_change_cb,
.ready = l2cap_sock_ready_cb,
+ .defer = l2cap_sock_defer_cb,
.alloc_skb = l2cap_sock_alloc_skb_cb,
};
@@ -1083,7 +1112,8 @@ static void l2cap_sock_destruct(struct sock *sk)
{
BT_DBG("sk %p", sk);
- l2cap_chan_put(l2cap_pi(sk)->chan);
+ if (l2cap_pi(sk)->chan)
+ l2cap_chan_put(l2cap_pi(sk)->chan);
if (l2cap_pi(sk)->rx_busy_skb) {
kfree_skb(l2cap_pi(sk)->rx_busy_skb);
l2cap_pi(sk)->rx_busy_skb = NULL;
@@ -1159,7 +1189,8 @@ static struct proto l2cap_proto = {
.obj_size = sizeof(struct l2cap_pinfo)
};
-static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
+ int proto, gfp_t prio)
{
struct sock *sk;
struct l2cap_chan *chan;
@@ -1204,7 +1235,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
sock->state = SS_UNCONNECTED;
if (sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM &&
- sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
+ sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
@@ -1261,7 +1292,8 @@ int __init l2cap_init_sockets(void)
goto error;
}
- err = bt_procfs_init(THIS_MODULE, &init_net, "l2cap", &l2cap_sk_list, NULL);
+ err = bt_procfs_init(THIS_MODULE, &init_net, "l2cap", &l2cap_sk_list,
+ NULL);
if (err < 0) {
BT_ERR("Failed to create L2CAP proc file");
bt_sock_unregister(BTPROTO_L2CAP);
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index e1c9752..b3fbc73 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -41,20 +41,6 @@ void baswap(bdaddr_t *dst, bdaddr_t *src)
}
EXPORT_SYMBOL(baswap);
-char *batostr(bdaddr_t *ba)
-{
- static char str[2][18];
- static int i = 1;
-
- i ^= 1;
- sprintf(str[i], "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
- ba->b[5], ba->b[4], ba->b[3],
- ba->b[2], ba->b[1], ba->b[0]);
-
- return str[i];
-}
-EXPORT_SYMBOL(batostr);
-
/* Bluetooth error codes to Unix errno mapping */
int bt_to_errno(__u16 code)
{
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 91de423..f559b96 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -222,7 +222,7 @@ static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
hdr = (void *) skb_put(skb, sizeof(*hdr));
- hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
+ hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_STATUS);
hdr->index = cpu_to_le16(index);
hdr->len = cpu_to_le16(sizeof(*ev));
@@ -253,7 +253,7 @@ static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
hdr = (void *) skb_put(skb, sizeof(*hdr));
- hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
+ hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_COMPLETE);
hdr->index = cpu_to_le16(index);
hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
@@ -377,15 +377,15 @@ static u32 get_supported_settings(struct hci_dev *hdev)
u32 settings = 0;
settings |= MGMT_SETTING_POWERED;
- settings |= MGMT_SETTING_CONNECTABLE;
- settings |= MGMT_SETTING_FAST_CONNECTABLE;
- settings |= MGMT_SETTING_DISCOVERABLE;
settings |= MGMT_SETTING_PAIRABLE;
if (lmp_ssp_capable(hdev))
settings |= MGMT_SETTING_SSP;
if (lmp_bredr_capable(hdev)) {
+ settings |= MGMT_SETTING_CONNECTABLE;
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+ settings |= MGMT_SETTING_DISCOVERABLE;
settings |= MGMT_SETTING_BREDR;
settings |= MGMT_SETTING_LINK_SECURITY;
}
@@ -485,7 +485,7 @@ static void create_eir(struct hci_dev *hdev, u8 *data)
ptr += (name_len + 2);
}
- if (hdev->inq_tx_power) {
+ if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
ptr[0] = 2;
ptr[1] = EIR_TX_POWER;
ptr[2] = (u8) hdev->inq_tx_power;
@@ -566,7 +566,7 @@ static int update_eir(struct hci_dev *hdev)
if (!hdev_is_powered(hdev))
return 0;
- if (!(hdev->features[6] & LMP_EXT_INQ))
+ if (!lmp_ext_inq_capable(hdev))
return 0;
if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
@@ -833,7 +833,7 @@ static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
if (hdev)
hdr->index = cpu_to_le16(hdev->id);
else
- hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
+ hdr->index = __constant_cpu_to_le16(MGMT_INDEX_NONE);
hdr->len = cpu_to_le16(data_len);
if (data)
@@ -868,6 +868,10 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("request for %s", hdev->name);
+ if (!lmp_bredr_capable(hdev))
+ return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
timeout = __le16_to_cpu(cp->timeout);
if (!cp->val && timeout > 0)
return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
@@ -963,6 +967,10 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("request for %s", hdev->name);
+ if (!lmp_bredr_capable(hdev))
+ return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
@@ -1061,6 +1069,10 @@ static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("request for %s", hdev->name);
+ if (!lmp_bredr_capable(hdev))
+ return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
+ MGMT_STATUS_NOT_SUPPORTED);
+
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
@@ -1214,7 +1226,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
}
val = !!cp->val;
- enabled = !!(hdev->host_features[0] & LMP_HOST_LE);
+ enabled = lmp_host_le_capable(hdev);
if (!hdev_is_powered(hdev) || val == enabled) {
bool changed = false;
@@ -1250,7 +1262,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
if (val) {
hci_cp.le = val;
- hci_cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+ hci_cp.simul = lmp_le_br_capable(hdev);
}
err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
@@ -2596,6 +2608,10 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
BT_DBG("%s", hdev->name);
+ if (!lmp_bredr_capable(hdev))
+ return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_NOT_SUPPORTED);
+
if (!hdev_is_powered(hdev))
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_NOT_POWERED);
@@ -2873,6 +2889,21 @@ static void settings_rsp(struct pending_cmd *cmd, void *data)
mgmt_pending_free(cmd);
}
+static int set_bredr_scan(struct hci_dev *hdev)
+{
+ u8 scan = 0;
+
+ if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
+ scan |= SCAN_PAGE;
+ if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
+ scan |= SCAN_INQUIRY;
+
+ if (!scan)
+ return 0;
+
+ return hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+}
+
int mgmt_powered(struct hci_dev *hdev, u8 powered)
{
struct cmd_lookup match = { NULL, hdev };
@@ -2884,17 +2915,8 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
if (powered) {
- u8 scan = 0;
-
- if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
- scan |= SCAN_PAGE;
- if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
- scan |= SCAN_INQUIRY;
-
- if (scan)
- hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
-
- if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+ if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
+ !lmp_host_ssp_capable(hdev)) {
u8 ssp = 1;
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
@@ -2904,15 +2926,24 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
struct hci_cp_write_le_host_supported cp;
cp.le = 1;
- cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
-
- hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
- sizeof(cp), &cp);
+ cp.simul = lmp_le_br_capable(hdev);
+
+ /* Check first if we already have the right
+ * host state (host features set)
+ */
+ if (cp.le != lmp_host_le_capable(hdev) ||
+ cp.simul != lmp_host_le_br_capable(hdev))
+ hci_send_cmd(hdev,
+ HCI_OP_WRITE_LE_HOST_SUPPORTED,
+ sizeof(cp), &cp);
}
- update_class(hdev);
- update_name(hdev, hdev->dev_name);
- update_eir(hdev);
+ if (lmp_bredr_capable(hdev)) {
+ set_bredr_scan(hdev);
+ update_class(hdev);
+ update_name(hdev, hdev->dev_name);
+ update_eir(hdev);
+ }
} else {
u8 status = MGMT_STATUS_NOT_POWERED;
mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
@@ -3127,6 +3158,9 @@ int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
struct pending_cmd *cmd;
int err;
+ mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
+ hdev);
+
cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
if (!cmd)
return -ENOENT;
@@ -3139,8 +3173,6 @@ int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
mgmt_pending_remove(cmd);
- mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
- hdev);
return err;
}
@@ -3360,7 +3392,7 @@ static int clear_eir(struct hci_dev *hdev)
{
struct hci_cp_write_eir cp;
- if (!(hdev->features[6] & LMP_EXT_INQ))
+ if (!lmp_ext_inq_capable(hdev))
return 0;
memset(hdev->eir, 0, sizeof(hdev->eir));
@@ -3492,7 +3524,12 @@ send_event:
err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev,
sizeof(ev), cmd ? cmd->sk : NULL);
- update_eir(hdev);
+ /* EIR is taken care of separately when powering on the
+ * adapter so only update them here if this is a name change
+ * unrelated to power on.
+ */
+ if (!test_bit(HCI_INIT, &hdev->flags))
+ update_eir(hdev);
failed:
if (cmd)
@@ -3587,9 +3624,9 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
ev->addr.type = link_to_bdaddr(link_type, addr_type);
ev->rssi = rssi;
if (cfm_name)
- ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME);
+ ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME);
if (!ssp)
- ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING);
+ ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING);
if (eir_len > 0)
memcpy(ev->eir, eir, eir_len);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index c75107e..201fdf7 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -377,8 +377,8 @@ static int __rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst,
int err = 0;
u8 dlci;
- BT_DBG("dlc %p state %ld %s %s channel %d",
- d, d->state, batostr(src), batostr(dst), channel);
+ BT_DBG("dlc %p state %ld %pMR -> %pMR channel %d",
+ d, d->state, src, dst, channel);
if (channel < 1 || channel > 30)
return -EINVAL;
@@ -676,7 +676,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
struct socket *sock;
struct sock *sk;
- BT_DBG("%s %s", batostr(src), batostr(dst));
+ BT_DBG("%pMR -> %pMR", src, dst);
*err = rfcomm_l2sock_create(&sock);
if (*err < 0)
@@ -709,7 +709,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
bacpy(&addr.l2_bdaddr, dst);
addr.l2_family = AF_BLUETOOTH;
- addr.l2_psm = cpu_to_le16(RFCOMM_PSM);
+ addr.l2_psm = __constant_cpu_to_le16(RFCOMM_PSM);
addr.l2_cid = 0;
*err = kernel_connect(sock, (struct sockaddr *) &addr, sizeof(addr), O_NONBLOCK);
if (*err == 0 || *err == -EINPROGRESS)
@@ -1987,7 +1987,7 @@ static int rfcomm_add_listener(bdaddr_t *ba)
/* Bind socket */
bacpy(&addr.l2_bdaddr, ba);
addr.l2_family = AF_BLUETOOTH;
- addr.l2_psm = cpu_to_le16(RFCOMM_PSM);
+ addr.l2_psm = __constant_cpu_to_le16(RFCOMM_PSM);
addr.l2_cid = 0;
err = kernel_bind(sock, (struct sockaddr *) &addr, sizeof(addr));
if (err < 0) {
@@ -2125,11 +2125,10 @@ static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x)
list_for_each_entry(d, &s->dlcs, list) {
struct sock *sk = s->sock->sk;
- seq_printf(f, "%s %s %ld %d %d %d %d\n",
- batostr(&bt_sk(sk)->src),
- batostr(&bt_sk(sk)->dst),
- d->state, d->dlci, d->mtu,
- d->rx_credits, d->tx_credits);
+ seq_printf(f, "%pMR %pMR %ld %d %d %d %d\n",
+ &bt_sk(sk)->src, &bt_sk(sk)->dst,
+ d->state, d->dlci, d->mtu,
+ d->rx_credits, d->tx_credits);
}
}
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index b3226f3..ce3f665 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -334,7 +334,7 @@ static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr
struct sock *sk = sock->sk;
int err = 0;
- BT_DBG("sk %p %s", sk, batostr(&sa->rc_bdaddr));
+ BT_DBG("sk %p %pMR", sk, &sa->rc_bdaddr);
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
@@ -467,7 +467,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
long timeo;
int err = 0;
- lock_sock(sk);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
@@ -504,7 +504,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
release_sock(sk);
timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
}
__set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
@@ -975,10 +975,9 @@ static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p)
read_lock(&rfcomm_sk_list.lock);
sk_for_each(sk, node, &rfcomm_sk_list.head) {
- seq_printf(f, "%s %s %d %d\n",
- batostr(&bt_sk(sk)->src),
- batostr(&bt_sk(sk)->dst),
- sk->sk_state, rfcomm_pi(sk)->channel);
+ seq_printf(f, "%pMR %pMR %d %d\n",
+ &bt_sk(sk)->src, &bt_sk(sk)->dst,
+ sk->sk_state, rfcomm_pi(sk)->channel);
}
read_unlock(&rfcomm_sk_list.lock);
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index ccc2487..bd6fd0f 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -166,7 +166,7 @@ static struct device *rfcomm_get_device(struct rfcomm_dev *dev)
static ssize_t show_address(struct device *tty_dev, struct device_attribute *attr, char *buf)
{
struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
- return sprintf(buf, "%s\n", batostr(&dev->dst));
+ return sprintf(buf, "%pMR\n", &dev->dst);
}
static ssize_t show_channel(struct device *tty_dev, struct device_attribute *attr, char *buf)
@@ -663,8 +663,8 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
if (!dev)
return -ENODEV;
- BT_DBG("dev %p dst %s channel %d opened %d", dev, batostr(&dev->dst),
- dev->channel, dev->port.count);
+ BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst,
+ dev->channel, dev->port.count);
spin_lock_irqsave(&dev->port.lock, flags);
if (++dev->port.count > 1) {
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index dc42b91..531a93d 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -131,15 +131,6 @@ static int sco_conn_del(struct hci_conn *hcon, int err)
sco_sock_clear_timer(sk);
sco_chan_del(sk, err);
bh_unlock_sock(sk);
-
- sco_conn_lock(conn);
- conn->sk = NULL;
- sco_pi(sk)->conn = NULL;
- sco_conn_unlock(conn);
-
- if (conn->hcon)
- hci_conn_put(conn->hcon);
-
sco_sock_kill(sk);
}
@@ -172,7 +163,7 @@ static int sco_connect(struct sock *sk)
struct hci_dev *hdev;
int err, type;
- BT_DBG("%s -> %s", batostr(src), batostr(dst));
+ BT_DBG("%pMR -> %pMR", src, dst);
hdev = hci_get_route(dst, src);
if (!hdev)
@@ -397,6 +388,7 @@ static void sco_sock_init(struct sock *sk, struct sock *parent)
if (parent) {
sk->sk_type = parent->sk_type;
+ bt_sk(sk)->flags = bt_sk(parent)->flags;
security_sk_clone(parent, sk);
}
}
@@ -460,7 +452,7 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
struct sock *sk = sock->sk;
int err = 0;
- BT_DBG("sk %p %s", sk, batostr(&sa->sco_bdaddr));
+ BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr);
if (!addr || addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
@@ -662,16 +654,57 @@ static int sco_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
return err;
}
+static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t len, int flags)
+{
+ struct sock *sk = sock->sk;
+ struct sco_pinfo *pi = sco_pi(sk);
+
+ lock_sock(sk);
+
+ if (sk->sk_state == BT_CONNECT2 &&
+ test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
+ hci_conn_accept(pi->conn->hcon, 0);
+ sk->sk_state = BT_CONFIG;
+
+ release_sock(sk);
+ return 0;
+ }
+
+ release_sock(sk);
+
+ return bt_sock_recvmsg(iocb, sock, msg, len, flags);
+}
+
static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
int err = 0;
+ u32 opt;
BT_DBG("sk %p", sk);
lock_sock(sk);
switch (optname) {
+
+ case BT_DEFER_SETUP:
+ if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
+ err = -EINVAL;
+ break;
+ }
+
+ if (get_user(opt, (u32 __user *) optval)) {
+ err = -EFAULT;
+ break;
+ }
+
+ if (opt)
+ set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
+ else
+ clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -753,6 +786,19 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, char
lock_sock(sk);
switch (optname) {
+
+ case BT_DEFER_SETUP:
+ if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
+ err = -EINVAL;
+ break;
+ }
+
+ if (put_user(test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags),
+ (u32 __user *) optval))
+ err = -EFAULT;
+
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -830,6 +876,16 @@ static void sco_chan_del(struct sock *sk, int err)
BT_DBG("sk %p, conn %p, err %d", sk, conn, err);
+ if (conn) {
+ sco_conn_lock(conn);
+ conn->sk = NULL;
+ sco_pi(sk)->conn = NULL;
+ sco_conn_unlock(conn);
+
+ if (conn->hcon)
+ hci_conn_put(conn->hcon);
+ }
+
sk->sk_state = BT_CLOSED;
sk->sk_err = err;
sk->sk_state_change(sk);
@@ -874,7 +930,10 @@ static void sco_conn_ready(struct sco_conn *conn)
hci_conn_hold(conn->hcon);
__sco_chan_add(conn, sk, parent);
- sk->sk_state = BT_CONNECTED;
+ if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags))
+ sk->sk_state = BT_CONNECT2;
+ else
+ sk->sk_state = BT_CONNECTED;
/* Wake up parent */
parent->sk_data_ready(parent, 1);
@@ -887,13 +946,13 @@ done:
}
/* ----- SCO interface with lower layer (HCI) ----- */
-int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr)
+int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
{
struct sock *sk;
struct hlist_node *node;
int lm = 0;
- BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr));
+ BT_DBG("hdev %s, bdaddr %pMR", hdev->name, bdaddr);
/* Find listening sockets */
read_lock(&sco_sk_list.lock);
@@ -904,6 +963,9 @@ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr)
if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr) ||
!bacmp(&bt_sk(sk)->src, BDADDR_ANY)) {
lm |= HCI_LM_ACCEPT;
+
+ if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags))
+ *flags |= HCI_PROTO_DEFER;
break;
}
}
@@ -914,7 +976,7 @@ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr)
void sco_connect_cfm(struct hci_conn *hcon, __u8 status)
{
- BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status);
+ BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);
if (!status) {
struct sco_conn *conn;
@@ -959,8 +1021,8 @@ static int sco_debugfs_show(struct seq_file *f, void *p)
read_lock(&sco_sk_list.lock);
sk_for_each(sk, node, &sco_sk_list.head) {
- seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src),
- batostr(&bt_sk(sk)->dst), sk->sk_state);
+ seq_printf(f, "%pMR %pMR %d\n", &bt_sk(sk)->src,
+ &bt_sk(sk)->dst, sk->sk_state);
}
read_unlock(&sco_sk_list.lock);
@@ -992,7 +1054,7 @@ static const struct proto_ops sco_sock_ops = {
.accept = sco_sock_accept,
.getname = sco_sock_getname,
.sendmsg = sco_sock_sendmsg,
- .recvmsg = bt_sock_recvmsg,
+ .recvmsg = sco_sock_recvmsg,
.poll = bt_sock_poll,
.ioctl = bt_sock_ioctl,
.mmap = sock_no_mmap,
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index a592337..68a9587 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -167,7 +167,7 @@ static struct sk_buff *smp_build_cmd(struct l2cap_conn *conn, u8 code,
lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
lh->len = cpu_to_le16(sizeof(code) + dlen);
- lh->cid = cpu_to_le16(L2CAP_CID_SMP);
+ lh->cid = __constant_cpu_to_le16(L2CAP_CID_SMP);
memcpy(skb_put(skb, sizeof(code)), &code, sizeof(code));
generated by cgit v0.10.2 at 2024-11-05 19:14:29 (GMT)