Andrei - On Wed, 31 Oct 2012, Andrei Emeltchenko wrote:
From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx> When receiving HCI Phylink Complete event run amp_physical_cfm which initialize BR/EDR L2CAP channel associated with High Speed link and run l2cap_physical_cfm which shall send L2CAP Create Chan Request. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx> Acked-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> --- include/net/bluetooth/amp.h | 1 + include/net/bluetooth/l2cap.h | 1 + net/bluetooth/amp.c | 24 ++++++++++++++++++++++++ net/bluetooth/hci_event.c | 15 ++------------- 4 files changed, 28 insertions(+), 13 deletions(-) diff --git a/include/net/bluetooth/amp.h b/include/net/bluetooth/amp.h index f1c0017..7ea3db7 100644 --- a/include/net/bluetooth/amp.h +++ b/include/net/bluetooth/amp.h @@ -46,6 +46,7 @@ void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr, struct hci_conn *hcon); void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle); void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle); +void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon); void amp_create_logical_link(struct l2cap_chan *chan); void amp_disconnect_logical_link(struct hci_chan *hchan); void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason); diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 24c61ef..18149c8 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -812,5 +812,6 @@ void l2cap_send_conn_req(struct l2cap_chan *chan); void l2cap_move_start(struct l2cap_chan *chan); void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan, u8 status); +void l2cap_physical_cfm(struct l2cap_chan *chan, int result); #endif /* __L2CAP_H */ diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c index 917e034..650bb8d 100644 --- a/net/bluetooth/amp.c +++ b/net/bluetooth/amp.c @@ -373,6 +373,30 @@ void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr, hci_send_cmd(hdev, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp); } +void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon) +{ + struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev); + struct amp_mgr *mgr = hs_hcon->amp_mgr; + struct l2cap_chan *bredr_chan; + + BT_DBG("bredr_hcon %p hs_hcon %p mgr %p", bredr_hcon, hs_hcon, mgr); + + if (!bredr_hdev || !mgr || !mgr->bredr_chan) + return; + + bredr_chan = mgr->bredr_chan; + + set_bit(FLAG_EFS_ENABLE, &bredr_chan->flags); + bredr_chan->ctrl_id = hs_hcon->remote_id; + bredr_chan->hs_hcon = hs_hcon; + bredr_chan->conn->mtu = hs_hcon->hdev->block_mtu; + bredr_chan->fcs = L2CAP_FCS_NONE;
Sorry I missed this earlier: bredr_chan needs to be locked before changing it. I suggest passing the information to l2cap_physical_cfm and letting that function update the structure members while it holds the lock.
+ + l2cap_physical_cfm(bredr_chan, 0); + + hci_dev_put(bredr_hdev); +} + void amp_create_logical_link(struct l2cap_chan *chan) { struct hci_cp_create_accept_logical_link cp; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 03d51a1..0b37f55 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3697,20 +3697,9 @@ static void hci_phy_link_complete_evt(struct hci_dev *hdev, hci_conn_hold_device(hcon); hci_conn_add_sysfs(hcon); - hci_dev_unlock(hdev); - - if (hcon->out) { - struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev); - - if (!bredr_hdev) - return; + amp_physical_cfm(bredr_hcon, hcon); - /* Placeholder - create chan req - l2cap_chan_create_cfm(bredr_hcon, hcon->remote_id); - */ - - hci_dev_put(bredr_hdev); - } + hci_dev_unlock(hdev); } static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) -- 1.7.9.5
Regards, -- Mat Martineau Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html