Return-Path: From: Andrei Emeltchenko To: linux-bluetooth@vger.kernel.org Subject: [RFCv0 3/8] Bluetooth: Add logical link create function Date: Tue, 16 Oct 2012 18:01:05 +0300 Message-Id: <1350399670-12418-4-git-send-email-Andrei.Emeltchenko.news@gmail.com> In-Reply-To: <1350399670-12418-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> References: <1350399670-12418-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: From: Andrei Emeltchenko After physical link is created logical link needs to be created above physical link. Signed-off-by: Andrei Emeltchenko --- include/net/bluetooth/amp.h | 1 + net/bluetooth/amp.c | 46 +++++++++++++++++++++++++++++++++++++++++++ net/bluetooth/hci_event.c | 9 +++++++++ net/bluetooth/l2cap_core.c | 9 +++++++++ 4 files changed, 65 insertions(+) diff --git a/include/net/bluetooth/amp.h b/include/net/bluetooth/amp.h index 2e7c79e..70d5c15 100644 --- a/include/net/bluetooth/amp.h +++ b/include/net/bluetooth/amp.h @@ -46,5 +46,6 @@ 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_create_logical_link(struct l2cap_chan *chan); #endif /* __AMP_H */ diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c index e525e23..6f10e8b 100644 --- a/net/bluetooth/amp.c +++ b/net/bluetooth/amp.c @@ -374,3 +374,49 @@ 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_create_logical_link(struct l2cap_chan *chan) +{ + struct hci_cp_create_accept_logical_link cp; + struct hci_conn *hcon; + struct hci_dev *hdev; + + BT_DBG("chan %p", chan); + + hdev = hci_dev_get(chan->ctrl_id); + if (!hdev) + return; + + BT_DBG("chan %p ctrl_id %d dst %pMR", chan, chan->ctrl_id, + chan->conn->dst); + + hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, chan->conn->dst); + if (!hcon) + goto done; + + cp.phy_handle = hcon->handle; + + cp.tx_flow_spec.id = chan->local_id; + cp.tx_flow_spec.stype = chan->local_stype; + cp.tx_flow_spec.msdu = cpu_to_le16(chan->local_msdu); + cp.tx_flow_spec.sdu_itime = cpu_to_le32(chan->local_sdu_itime); + cp.tx_flow_spec.acc_lat = cpu_to_le32(chan->local_acc_lat); + cp.tx_flow_spec.flush_to = cpu_to_le32(chan->local_flush_to); + + cp.rx_flow_spec.id = chan->remote_id; + cp.rx_flow_spec.stype = chan->remote_stype; + cp.rx_flow_spec.msdu = cpu_to_le16(chan->remote_msdu); + cp.rx_flow_spec.sdu_itime = cpu_to_le32(chan->remote_sdu_itime); + cp.rx_flow_spec.acc_lat = cpu_to_le32(chan->remote_acc_lat); + cp.rx_flow_spec.flush_to = cpu_to_le32(chan->remote_flush_to); + + if (hcon->out) + hci_send_cmd(hdev, HCI_OP_CREATE_LOGICAL_LINK, sizeof(cp), + &cp); + else + hci_send_cmd(hdev, HCI_OP_ACCEPT_LOGICAL_LINK, sizeof(cp), + &cp); + +done: + hci_dev_put(hdev); +} diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 2c37896..3f99214 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1744,6 +1744,11 @@ static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) amp_write_remote_assoc(hdev, cp->phy_handle); } +static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status) +{ + BT_DBG("%s status 0x%2.2x", hdev->name, status); +} + static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -2570,6 +2575,10 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_accept_phylink(hdev, ev->status); break; + case HCI_OP_CREATE_LOGICAL_LINK: + hci_cs_create_logical_link(hdev, ev->status); + break; + default: BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index f3cfe89..382d92a 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -38,6 +38,7 @@ #include #include #include +#include bool disable_ertm; @@ -964,6 +965,12 @@ static bool __amp_capable(struct l2cap_chan *chan) return false; } +static bool l2cap_check_efs(struct l2cap_chan *chan) +{ + /* Check EFS parameters */ + return true; +} + void l2cap_send_conn_req(struct l2cap_chan *chan) { struct l2cap_conn *conn = chan->conn; @@ -3801,6 +3808,8 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, } /* check compatibility */ + if (l2cap_check_efs(chan)) + amp_create_logical_link(chan); if (!chan->ctrl_id) l2cap_send_efs_conf_rsp(chan, buf, cmd->ident, -- 1.7.9.5