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Bluetooth: AMP: Send A2MP Create Phylink Rsp after Assoc write 

Postpone sending A2MP Create Phylink Response until we got successful
HCI Command Complete after HCI Write Remote AMP Assoc.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Andrei Emeltchenko 2012-12-07 14:59:05 +02:00 committed by Gustavo Padovan
parent 7952861f4a
commit 8e05e3ba88
3 changed files with 41 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/bluetooth/a2mp.h
View File

@ -23,6 +23,7 @@ enum amp_mgr_state {
READ_LOC_AMP_INFO,
READ_LOC_AMP_ASSOC,
READ_LOC_AMP_ASSOC_FINAL,
WRITE_REMOTE_AMP_ASSOC,
};
struct amp_mgr {
@ -144,5 +145,6 @@ void a2mp_discover_amp(struct l2cap_chan *chan);
void a2mp_send_getinfo_rsp(struct hci_dev *hdev);
void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status);
void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status);
void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status);
#endif /* __A2MP_H */

38
net/bluetooth/a2mp.c
View File

@ -499,8 +499,16 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
if (hdev)
hci_dev_put(hdev);
a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, hdr->ident, sizeof(rsp),
&rsp);
/* Reply error now and success after HCI Write Remote AMP Assoc
command complete with success status
*/
if (rsp.status != A2MP_STATUS_SUCCESS) {
a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, hdr->ident,
sizeof(rsp), &rsp);
} else {
mgr->state = WRITE_REMOTE_AMP_ASSOC;
mgr->ident = hdr->ident;
}
skb_pull(skb, le16_to_cpu(hdr->len));
return 0;
@ -949,6 +957,32 @@ void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status)
kfree(req);
}
void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status)
{
struct amp_mgr *mgr;
struct a2mp_physlink_rsp rsp;
struct hci_conn *hs_hcon;
mgr = amp_mgr_lookup_by_state(WRITE_REMOTE_AMP_ASSOC);
if (!mgr)
return;
hs_hcon = hci_conn_hash_lookup_state(hdev, AMP_LINK, BT_CONNECT);
if (!hs_hcon) {
rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION;
} else {
rsp.remote_id = hs_hcon->remote_id;
rsp.status = A2MP_STATUS_SUCCESS;
}
BT_DBG("%s mgr %p hs_hcon %p status %u", hdev->name, mgr, hs_hcon,
status);
rsp.local_id = hdev->id;
a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, mgr->ident, sizeof(rsp), &rsp);
amp_mgr_put(mgr);
}
void a2mp_discover_amp(struct l2cap_chan *chan)
{
struct l2cap_conn *conn = chan->conn;

4
net/bluetooth/amp.c
View File

@ -317,7 +317,9 @@ void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle)
if (!hcon)
return;
amp_write_rem_assoc_frag(hdev, hcon);
/* Send A2MP create phylink rsp when all fragments are written */
if (amp_write_rem_assoc_frag(hdev, hcon))
a2mp_send_create_phy_link_rsp(hdev, 0);
}
void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle)