From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Adds Read Local AMP Info HCI command with callback to be executed
when receiving command complete event.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
include/net/bluetooth/amp.h | 19 ++++++++++++++++
net/bluetooth/Makefile | 2 +-
net/bluetooth/a2mp.c | 5 ++++
net/bluetooth/amp.c | 49 +++++++++++++++++++++++++++++++++++++++++++
net/bluetooth/hci_event.c | 13 +++++++++-
5 files changed, 85 insertions(+), 3 deletions(-)
create mode 100644 include/net/bluetooth/amp.h
create mode 100644 net/bluetooth/amp.c
diff --git a/include/net/bluetooth/amp.h b/include/net/bluetooth/amp.h
new file mode 100644
index 0000000..2751bf6
--- /dev/null
+++ b/include/net/bluetooth/amp.h
@@ -0,0 +1,19 @@
+/*
+ Copyright (c) 2011,2012 Intel Corp.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 and
+ only version 2 as published by the Free Software Foundation.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+*/
+
+#ifndef __AMP_H
+#define __AMP_H
+
+int amp_read_loc_info(struct hci_dev *hdev, struct amp_mgr *mgr);
+
+#endif /* __AMP_H */
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 105e755..2b15bf0 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -16,6 +16,7 @@
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/amp.h>
/* A2MP build & send command helper functions */
static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data)
@@ -92,6 +93,10 @@ static void __a2mp_add_cl(struct amp_mgr *mgr, struct a2mp_cl *cl, u8 num_ctrl)
cl[i].id = hdev->id;
cl[i].type = hdev->amp_type;
cl[i].status = hdev->amp_status;
+
+ read_unlock(&hci_dev_list_lock);
+ amp_read_loc_info(hdev, mgr);
+ read_lock(&hci_dev_list_lock);
}
}
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
new file mode 100644
index 0000000..af009e0
--- /dev/null
+++ b/net/bluetooth/amp.c
@@ -0,0 +1,49 @@
+/*
+ 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 <linux/workqueue.h>
+#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>
+
+static void amp_read_loc_info_complete(struct hci_dev *hdev,
+ struct hci_cb_cmd *cmd)
+{
+ BT_DBG("%s cmd %p mgr %p", hdev->name, cmd, cmd->opt);
+}
+
+static void cb_destructor(struct hci_cb_cmd *cmd)
+{
+ struct amp_mgr *mgr = cmd->opt;
+
+ BT_DBG("Destructor cmd %p mgr %p", cmd, mgr);
+
+ amp_mgr_put(mgr);
+ kfree(cmd);
+}
+
+int amp_read_loc_info(struct hci_dev *hdev, struct amp_mgr *mgr)
+{
+ int err = 0;
+
+ BT_DBG("%s mgr %p", hdev->name, mgr);
+
+ amp_mgr_get(mgr);
+
+ hci_cmd_cb(hdev, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL,
+ amp_read_loc_info_complete, mgr, cb_destructor, GFP_ATOMIC);
+
+ return err;
+}
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 7325300..3053354 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -43,6 +43,7 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/a2mp.h>
/* Handle HCI Event packets */
@@ -848,14 +849,15 @@ static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
}
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
- struct sk_buff *skb)
+ struct sk_buff *skb)
{
struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
+ struct hci_cb_cmd *cmd;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
- return;
+ goto send;
hdev->amp_status = rp->amp_status;
hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
@@ -869,6 +871,13 @@ 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);
+
+send:
+ cmd = hci_find_cb(hdev, HCI_OP_READ_LOCAL_AMP_INFO);
+ if (cmd) {
+ cmd->status = rp->status;
+ hci_queue_cb(hdev, cmd, hdev->workqueue);
+ }
}
static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
--
1.7.9.1
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