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Bluetooth: AMP: Handle AMP_LINK connection 

AMP_LINK represents physical link between AMP controllers.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Andrei Emeltchenko 2012-10-10 17:38:30 +03:00 committed by Gustavo Padovan
parent 76ef7cf772
commit bd1eb66ba4
3 changed files with 33 additions and 3 deletions
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13
include/net/bluetooth/hci_core.h
View File

@ -73,6 +73,7 @@ struct discovery_state {
struct hci_conn_hash {
struct list_head list;
unsigned int acl_num;
unsigned int amp_num;
unsigned int sco_num;
unsigned int le_num;
};
@ -449,6 +450,9 @@ static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
case ACL_LINK:
h->acl_num++;
break;
case AMP_LINK:
h->amp_num++;
break;
case LE_LINK:
h->le_num++;
break;
@ -470,6 +474,9 @@ static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
case ACL_LINK:
h->acl_num--;
break;
case AMP_LINK:
h->amp_num--;
break;
case LE_LINK:
h->le_num--;
break;
@ -486,6 +493,8 @@ static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
switch (type) {
case ACL_LINK:
return h->acl_num;
case AMP_LINK:
return h->amp_num;
case LE_LINK:
return h->le_num;
case SCO_LINK:
@ -801,6 +810,10 @@ static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
sco_disconn_cfm(conn, reason);
break;
/* L2CAP would be handled for BREDR chan */
case AMP_LINK:
break;
default:
BT_ERR("unknown link type %d", conn->type);
break;

22
net/bluetooth/hci_core.c
View File

@ -2379,6 +2379,9 @@ 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;
@ -2508,11 +2511,19 @@ 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;
@ -2545,14 +2556,19 @@ 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) {

1
net/bluetooth/hci_event.c
View File

@ -2733,6 +2733,7 @@ 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;