From 6e1df6a60372b6ea00c480c1cd8c8c8134357d89 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Thu, 1 Nov 2012 15:37:02 +0200 Subject: [PATCH] Bluetooth: Process Create Chan Request Add processing L2CAP Create Chan Request. When channel is created save associated high speed link hs_hcon. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/l2cap_core.c | 65 ++++++++++++++++++++++++++------------ 1 file changed, 44 insertions(+), 21 deletions(-) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index bdffc4c207b..2f0e165eef4 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -4237,7 +4237,9 @@ static int l2cap_create_channel_req(struct l2cap_conn *conn, 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)) @@ -4251,36 +4253,57 @@ static 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); - if (req->amp_id) { - struct hci_dev *hdev; + /* 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 || hdev->dev_type != HCI_AMP || - !test_bit(HCI_UP, &hdev->flags)) { - struct l2cap_create_chan_rsp rsp; - - rsp.dcid = 0; - rsp.scid = cpu_to_le16(scid); - 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); - - if (hdev) - hci_dev_put(hdev); - - 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); + + chan->local_amp_id = req->amp_id; + mgr->bredr_chan = chan; + chan->hs_hcon = hs_hcon; + 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_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 -EFAULT; } static void l2cap_send_move_chan_req(struct l2cap_chan *chan, u8 dest_amp_id)