From e072f5dab22e7bf0a10daf854acc0fc271396ee7 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Tue, 29 May 2012 13:59:13 +0300 Subject: [PATCH] Bluetooth: A2MP: Process A2MP Create Physlink Request Placeholder for A2MP Create Physlink Request. Handles requests with invalid controler id as shown below: ... > ACL data: handle 11 flags 0x02 dlen 50 A2MP: Create Physical Link req: local id 1 remote id 85 Assoc data: < ACL data: handle 11 flags 0x00 dlen 15 A2MP: Create Physical Link rsp: local id 85 remote id 1 status 1 Invalid Controller ID ... Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/a2mp.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index b8eeb33d60d7..ca52a91edd29 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -243,6 +243,43 @@ clean: return 0; } +static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, + struct a2mp_cmd *hdr) +{ + struct a2mp_physlink_req *req = (void *) skb->data; + + struct a2mp_physlink_rsp rsp; + struct hci_dev *hdev; + + if (le16_to_cpu(hdr->len) < sizeof(*req)) + return -EINVAL; + + BT_DBG("local_id %d, remote_id %d", req->local_id, req->remote_id); + + rsp.local_id = req->remote_id; + rsp.remote_id = req->local_id; + + hdev = hci_dev_get(req->remote_id); + if (!hdev || hdev->amp_type != HCI_AMP) { + rsp.status = A2MP_STATUS_INVALID_CTRL_ID; + goto send_rsp; + } + + /* TODO process physlink create */ + + rsp.status = A2MP_STATUS_SUCCESS; + +send_rsp: + if (hdev) + hci_dev_put(hdev); + + a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, hdr->ident, sizeof(rsp), + &rsp); + + skb_pull(skb, le16_to_cpu(hdr->len)); + return 0; +} + /* Handle A2MP signalling */ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb) { @@ -289,6 +326,9 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb) break; case A2MP_CREATEPHYSLINK_REQ: + err = a2mp_createphyslink_req(mgr, skb, hdr); + break; + case A2MP_DISCONNPHYSLINK_REQ: case A2MP_CHANGE_RSP: case A2MP_DISCOVER_RSP: -- 2.20.1