diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index 5ccf142ef0b8..e9f203eadb1f 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -81,6 +81,18 @@ config BT_HCIUART_LL Say Y here to compile support for HCILL protocol. +config BT_HCIUART_3WIRE + bool "Three-wire UART (H5) protocol support" + depends on BT_HCIUART + help + The HCI Three-wire UART Transport Layer makes it possible to + user the Bluetooth HCI over a serial port interface. The HCI + Three-wire UART Transport Layer assumes that the UART + communication may have bit errors, overrun errors or burst + errors and thereby making CTS/RTS lines unnecessary. + + Say Y here to compile support for Three-wire UART protocol. + config BT_HCIBCM203X tristate "HCI BCM203x USB driver" depends on USB diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index f4460f4f4b78..4afae20df512 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -28,4 +28,5 @@ hci_uart-$(CONFIG_BT_HCIUART_H4) += hci_h4.o hci_uart-$(CONFIG_BT_HCIUART_BCSP) += hci_bcsp.o hci_uart-$(CONFIG_BT_HCIUART_LL) += hci_ll.o hci_uart-$(CONFIG_BT_HCIUART_ATH3K) += hci_ath.o +hci_uart-$(CONFIG_BT_HCIUART_3WIRE) += hci_h5.o hci_uart-objs := $(hci_uart-y) diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index 585c88e01893..66c3a6770c41 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -621,7 +621,6 @@ static int bluecard_hci_flush(struct hci_dev *hdev) static int bluecard_hci_open(struct hci_dev *hdev) { bluecard_info_t *info = hci_get_drvdata(hdev); - unsigned int iobase = info->p_dev->resource[0]->start; if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) bluecard_hci_set_baud_rate(hdev, DEFAULT_BAUD_RATE); @@ -630,6 +629,8 @@ static int bluecard_hci_open(struct hci_dev *hdev) return 0; if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) { + unsigned int iobase = info->p_dev->resource[0]->start; + /* Enable LED */ outb(0x08 | 0x20, iobase + 0x30); } @@ -641,7 +642,6 @@ static int bluecard_hci_open(struct hci_dev *hdev) static int bluecard_hci_close(struct hci_dev *hdev) { bluecard_info_t *info = hci_get_drvdata(hdev); - unsigned int iobase = info->p_dev->resource[0]->start; if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags))) return 0; @@ -649,6 +649,8 @@ static int bluecard_hci_close(struct hci_dev *hdev) bluecard_hci_flush(hdev); if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) { + unsigned int iobase = info->p_dev->resource[0]->start; + /* Disable LED */ outb(0x00, iobase + 0x30); } diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index b2b0fbbb43b5..8925b6d672a6 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -664,7 +664,7 @@ static int bt3c_check_config(struct pcmcia_device *p_dev, void *priv_data) { int *try = priv_data; - if (try == 0) + if (!try) p_dev->io_lines = 16; if ((p_dev->resource[0]->end != 8) || (p_dev->resource[0]->start == 0)) diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c index dc304def8400..3a4343b3bd6d 100644 --- a/drivers/bluetooth/btmrvl_main.c +++ b/drivers/bluetooth/btmrvl_main.c @@ -47,10 +47,11 @@ EXPORT_SYMBOL_GPL(btmrvl_interrupt); bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) { struct hci_event_hdr *hdr = (void *) skb->data; - struct hci_ev_cmd_complete *ec; - u16 opcode, ocf, ogf; if (hdr->evt == HCI_EV_CMD_COMPLETE) { + struct hci_ev_cmd_complete *ec; + u16 opcode, ocf, ogf; + ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); opcode = __le16_to_cpu(ec->opcode); ocf = hci_opcode_ocf(opcode); @@ -64,7 +65,8 @@ bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) } if (ogf == OGF) { - BT_DBG("vendor event skipped: ogf 0x%4.4x", ogf); + BT_DBG("vendor event skipped: ogf 0x%4.4x ocf 0x%4.4x", + ogf, ocf); kfree_skb(skb); return false; } diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index cf7588edba0d..6a9e9717d3ab 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -568,8 +568,9 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) if (type == HCI_EVENT_PKT) { if (btmrvl_check_evtpkt(priv, skb)) hci_recv_frame(skb); - } else + } else { hci_recv_frame(skb); + } hdev->stat.byte_rx += buf_len; break; diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index 65b8d996840c..21e803a6a281 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -593,7 +593,7 @@ static int btuart_check_config(struct pcmcia_device *p_dev, void *priv_data) { int *try = priv_data; - if (try == 0) + if (!try) p_dev->io_lines = 16; if ((p_dev->resource[0]->end != 8) || (p_dev->resource[0]->start == 0)) diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c index b1b37ccd3cd4..97a7784db4a2 100644 --- a/drivers/bluetooth/dtl1_cs.c +++ b/drivers/bluetooth/dtl1_cs.c @@ -586,29 +586,31 @@ static int dtl1_confcheck(struct pcmcia_device *p_dev, void *priv_data) static int dtl1_config(struct pcmcia_device *link) { dtl1_info_t *info = link->priv; - int i; + int ret; /* Look for a generic full-sized window */ link->resource[0]->end = 8; - if (pcmcia_loop_config(link, dtl1_confcheck, NULL) < 0) + ret = pcmcia_loop_config(link, dtl1_confcheck, NULL); + if (ret) goto failed; - i = pcmcia_request_irq(link, dtl1_interrupt); - if (i != 0) + ret = pcmcia_request_irq(link, dtl1_interrupt); + if (ret) goto failed; - i = pcmcia_enable_device(link); - if (i != 0) + ret = pcmcia_enable_device(link); + if (ret) goto failed; - if (dtl1_open(info) != 0) + ret = dtl1_open(info); + if (ret) goto failed; return 0; failed: dtl1_detach(link); - return -ENODEV; + return ret; } static const struct pcmcia_device_id dtl1_ids[] = { diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c new file mode 100644 index 000000000000..b6154d5a07a5 --- /dev/null +++ b/drivers/bluetooth/hci_h5.c @@ -0,0 +1,747 @@ +/* + * + * Bluetooth HCI Three-wire UART driver + * + * Copyright (C) 2012 Intel Corporation + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include + +#include +#include + +#include "hci_uart.h" + +#define HCI_3WIRE_ACK_PKT 0 +#define HCI_3WIRE_LINK_PKT 15 + +/* Sliding window size */ +#define H5_TX_WIN_MAX 4 + +#define H5_ACK_TIMEOUT msecs_to_jiffies(250) +#define H5_SYNC_TIMEOUT msecs_to_jiffies(100) + +/* + * Maximum Three-wire packet: + * 4 byte header + max value for 12-bit length + 2 bytes for CRC + */ +#define H5_MAX_LEN (4 + 0xfff + 2) + +/* Convenience macros for reading Three-wire header values */ +#define H5_HDR_SEQ(hdr) ((hdr)[0] & 0x07) +#define H5_HDR_ACK(hdr) (((hdr)[0] >> 3) & 0x07) +#define H5_HDR_CRC(hdr) (((hdr)[0] >> 6) & 0x01) +#define H5_HDR_RELIABLE(hdr) (((hdr)[0] >> 7) & 0x01) +#define H5_HDR_PKT_TYPE(hdr) ((hdr)[1] & 0x0f) +#define H5_HDR_LEN(hdr) ((((hdr)[1] >> 4) & 0xff) + ((hdr)[2] << 4)) + +#define SLIP_DELIMITER 0xc0 +#define SLIP_ESC 0xdb +#define SLIP_ESC_DELIM 0xdc +#define SLIP_ESC_ESC 0xdd + +/* H5 state flags */ +enum { + H5_RX_ESC, /* SLIP escape mode */ + H5_TX_ACK_REQ, /* Pending ack to send */ +}; + +struct h5 { + struct sk_buff_head unack; /* Unack'ed packets queue */ + struct sk_buff_head rel; /* Reliable packets queue */ + struct sk_buff_head unrel; /* Unreliable packets queue */ + + unsigned long flags; + + struct sk_buff *rx_skb; /* Receive buffer */ + size_t rx_pending; /* Expecting more bytes */ + u8 rx_ack; /* Last ack number received */ + + int (*rx_func) (struct hci_uart *hu, u8 c); + + struct timer_list timer; /* Retransmission timer */ + + u8 tx_seq; /* Next seq number to send */ + u8 tx_ack; /* Next ack number to send */ + u8 tx_win; /* Sliding window size */ + + enum { + H5_UNINITIALIZED, + H5_INITIALIZED, + H5_ACTIVE, + } state; + + enum { + H5_AWAKE, + H5_SLEEPING, + H5_WAKING_UP, + } sleep; +}; + +static void h5_reset_rx(struct h5 *h5); + +static void h5_link_control(struct hci_uart *hu, const void *data, size_t len) +{ + struct h5 *h5 = hu->priv; + struct sk_buff *nskb; + + nskb = alloc_skb(3, GFP_ATOMIC); + if (!nskb) + return; + + bt_cb(nskb)->pkt_type = HCI_3WIRE_LINK_PKT; + + memcpy(skb_put(nskb, len), data, len); + + skb_queue_tail(&h5->unrel, nskb); +} + +static u8 h5_cfg_field(struct h5 *h5) +{ + u8 field = 0; + + /* Sliding window size (first 3 bits) */ + field |= (h5->tx_win & 7); + + return field; +} + +static void h5_timed_event(unsigned long arg) +{ + const unsigned char sync_req[] = { 0x01, 0x7e }; + unsigned char conf_req[] = { 0x03, 0xfc, 0x01 }; + struct hci_uart *hu = (struct hci_uart *) arg; + struct h5 *h5 = hu->priv; + struct sk_buff *skb; + unsigned long flags; + + BT_DBG("%s", hu->hdev->name); + + if (h5->state == H5_UNINITIALIZED) + h5_link_control(hu, sync_req, sizeof(sync_req)); + + if (h5->state == H5_INITIALIZED) { + conf_req[2] = h5_cfg_field(h5); + h5_link_control(hu, conf_req, sizeof(conf_req)); + } + + if (h5->state != H5_ACTIVE) { + mod_timer(&h5->timer, jiffies + H5_SYNC_TIMEOUT); + goto wakeup; + } + + if (h5->sleep != H5_AWAKE) { + h5->sleep = H5_SLEEPING; + goto wakeup; + } + + BT_DBG("hu %p retransmitting %u pkts", hu, h5->unack.qlen); + + spin_lock_irqsave_nested(&h5->unack.lock, flags, SINGLE_DEPTH_NESTING); + + while ((skb = __skb_dequeue_tail(&h5->unack)) != NULL) { + h5->tx_seq = (h5->tx_seq - 1) & 0x07; + skb_queue_head(&h5->rel, skb); + } + + spin_unlock_irqrestore(&h5->unack.lock, flags); + +wakeup: + hci_uart_tx_wakeup(hu); +} + +static int h5_open(struct hci_uart *hu) +{ + struct h5 *h5; + const unsigned char sync[] = { 0x01, 0x7e }; + + BT_DBG("hu %p", hu); + + h5 = kzalloc(sizeof(*h5), GFP_KERNEL); + if (!h5) + return -ENOMEM; + + hu->priv = h5; + + skb_queue_head_init(&h5->unack); + skb_queue_head_init(&h5->rel); + skb_queue_head_init(&h5->unrel); + + h5_reset_rx(h5); + + init_timer(&h5->timer); + h5->timer.function = h5_timed_event; + h5->timer.data = (unsigned long) hu; + + h5->tx_win = H5_TX_WIN_MAX; + + set_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags); + + /* Send initial sync request */ + h5_link_control(hu, sync, sizeof(sync)); + mod_timer(&h5->timer, jiffies + H5_SYNC_TIMEOUT); + + return 0; +} + +static int h5_close(struct hci_uart *hu) +{ + struct h5 *h5 = hu->priv; + + skb_queue_purge(&h5->unack); + skb_queue_purge(&h5->rel); + skb_queue_purge(&h5->unrel); + + del_timer(&h5->timer); + + kfree(h5); + + return 0; +} + +static void h5_pkt_cull(struct h5 *h5) +{ + struct sk_buff *skb, *tmp; + unsigned long flags; + int i, to_remove; + u8 seq; + + spin_lock_irqsave(&h5->unack.lock, flags); + + to_remove = skb_queue_len(&h5->unack); + if (to_remove == 0) + goto unlock; + + seq = h5->tx_seq; + + while (to_remove > 0) { + if (h5->rx_ack == seq) + break; + + to_remove--; + seq = (seq - 1) % 8; + } + + if (seq != h5->rx_ack) + BT_ERR("Controller acked invalid packet"); + + i = 0; + skb_queue_walk_safe(&h5->unack, skb, tmp) { + if (i++ >= to_remove) + break; + + __skb_unlink(skb, &h5->unack); + kfree_skb(skb); + } + + if (skb_queue_empty(&h5->unack)) + del_timer(&h5->timer); + +unlock: + spin_unlock_irqrestore(&h5->unack.lock, flags); +} + +static void h5_handle_internal_rx(struct hci_uart *hu) +{ + struct h5 *h5 = hu->priv; + const unsigned char sync_req[] = { 0x01, 0x7e }; + const unsigned char sync_rsp[] = { 0x02, 0x7d }; + unsigned char conf_req[] = { 0x03, 0xfc, 0x01 }; + const unsigned char conf_rsp[] = { 0x04, 0x7b }; + const unsigned char wakeup_req[] = { 0x05, 0xfa }; + const unsigned char woken_req[] = { 0x06, 0xf9 }; + const unsigned char sleep_req[] = { 0x07, 0x78 }; + const unsigned char *hdr = h5->rx_skb->data; + const unsigned char *data = &h5->rx_skb->data[4]; + + BT_DBG("%s", hu->hdev->name); + + if (H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) + return; + + if (H5_HDR_LEN(hdr) < 2) + return; + + conf_req[2] = h5_cfg_field(h5); + + if (memcmp(data, sync_req, 2) == 0) { + h5_link_control(hu, sync_rsp, 2); + } else if (memcmp(data, sync_rsp, 2) == 0) { + h5->state = H5_INITIALIZED; + h5_link_control(hu, conf_req, 3); + } else if (memcmp(data, conf_req, 2) == 0) { + h5_link_control(hu, conf_rsp, 2); + h5_link_control(hu, conf_req, 3); + } else if (memcmp(data, conf_rsp, 2) == 0) { + if (H5_HDR_LEN(hdr) > 2) + h5->tx_win = (data[2] & 7); + BT_DBG("Three-wire init complete. tx_win %u", h5->tx_win); + h5->state = H5_ACTIVE; + hci_uart_init_ready(hu); + return; + } else if (memcmp(data, sleep_req, 2) == 0) { + BT_DBG("Peer went to sleep"); + h5->sleep = H5_SLEEPING; + return; + } else if (memcmp(data, woken_req, 2) == 0) { + BT_DBG("Peer woke up"); + h5->sleep = H5_AWAKE; + } else if (memcmp(data, wakeup_req, 2) == 0) { + BT_DBG("Peer requested wakeup"); + h5_link_control(hu, woken_req, 2); + h5->sleep = H5_AWAKE; + } else { + BT_DBG("Link Control: 0x%02hhx 0x%02hhx", data[0], data[1]); + return; + } + + hci_uart_tx_wakeup(hu); +} + +static void h5_complete_rx_pkt(struct hci_uart *hu) +{ + struct h5 *h5 = hu->priv; + const unsigned char *hdr = h5->rx_skb->data; + + if (H5_HDR_RELIABLE(hdr)) { + h5->tx_ack = (h5->tx_ack + 1) % 8; + set_bit(H5_TX_ACK_REQ, &h5->flags); + hci_uart_tx_wakeup(hu); + } + + h5->rx_ack = H5_HDR_ACK(hdr); + + h5_pkt_cull(h5); + + switch (H5_HDR_PKT_TYPE(hdr)) { + case HCI_EVENT_PKT: + case HCI_ACLDATA_PKT: + case HCI_SCODATA_PKT: + bt_cb(h5->rx_skb)->pkt_type = H5_HDR_PKT_TYPE(hdr); + + /* Remove Three-wire header */ + skb_pull(h5->rx_skb, 4); + + hci_recv_frame(h5->rx_skb); + h5->rx_skb = NULL; + + break; + + default: + h5_handle_internal_rx(hu); + break; + } + + h5_reset_rx(h5); +} + +static int h5_rx_crc(struct hci_uart *hu, unsigned char c) +{ + struct h5 *h5 = hu->priv; + + h5_complete_rx_pkt(hu); + h5_reset_rx(h5); + + return 0; +} + +static int h5_rx_payload(struct hci_uart *hu, unsigned char c) +{ + struct h5 *h5 = hu->priv; + const unsigned char *hdr = h5->rx_skb->data; + + if (H5_HDR_CRC(hdr)) { + h5->rx_func = h5_rx_crc; + h5->rx_pending = 2; + } else { + h5_complete_rx_pkt(hu); + h5_reset_rx(h5); + } + + return 0; +} + +static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c) +{ + struct h5 *h5 = hu->priv; + const unsigned char *hdr = h5->rx_skb->data; + + BT_DBG("%s rx: seq %u ack %u crc %u rel %u type %u len %u", + hu->hdev->name, H5_HDR_SEQ(hdr), H5_HDR_ACK(hdr), + H5_HDR_CRC(hdr), H5_HDR_RELIABLE(hdr), H5_HDR_PKT_TYPE(hdr), + H5_HDR_LEN(hdr)); + + if (((hdr[0] + hdr[1] + hdr[2] + hdr[3]) & 0xff) != 0xff) { + BT_ERR("Invalid header checksum"); + h5_reset_rx(h5); + return 0; + } + + if (H5_HDR_RELIABLE(hdr) && H5_HDR_SEQ(hdr) != h5->tx_ack) { + BT_ERR("Out-of-order packet arrived (%u != %u)", + H5_HDR_SEQ(hdr), h5->tx_ack); + h5_reset_rx(h5); + return 0; + } + + if (h5->state != H5_ACTIVE && + H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) { + BT_ERR("Non-link packet received in non-active state"); + h5_reset_rx(h5); + } + + h5->rx_func = h5_rx_payload; + h5->rx_pending = H5_HDR_LEN(hdr); + + return 0; +} + +static int h5_rx_pkt_start(struct hci_uart *hu, unsigned char c) +{ + struct h5 *h5 = hu->priv; + + if (c == SLIP_DELIMITER) + return 1; + + h5->rx_func = h5_rx_3wire_hdr; + h5->rx_pending = 4; + + h5->rx_skb = bt_skb_alloc(H5_MAX_LEN, GFP_ATOMIC); + if (!h5->rx_skb) { + BT_ERR("Can't allocate mem for new packet"); + h5_reset_rx(h5); + return -ENOMEM; + } + + h5->rx_skb->dev = (void *) hu->hdev; + + return 0; +} + +static int h5_rx_delimiter(struct hci_uart *hu, unsigned char c) +{ + struct h5 *h5 = hu->priv; + + if (c == SLIP_DELIMITER) + h5->rx_func = h5_rx_pkt_start; + + return 1; +} + +static void h5_unslip_one_byte(struct h5 *h5, unsigned char c) +{ + const u8 delim = SLIP_DELIMITER, esc = SLIP_ESC; + const u8 *byte = &c; + + if (!test_bit(H5_RX_ESC, &h5->flags) && c == SLIP_ESC) { + set_bit(H5_RX_ESC, &h5->flags); + return; + } + + if (test_and_clear_bit(H5_RX_ESC, &h5->flags)) { + switch (c) { + case SLIP_ESC_DELIM: + byte = &delim; + break; + case SLIP_ESC_ESC: + byte = &esc; + break; + default: + BT_ERR("Invalid esc byte 0x%02hhx", c); + h5_reset_rx(h5); + return; + } + } + + memcpy(skb_put(h5->rx_skb, 1), byte, 1); + h5->rx_pending--; + + BT_DBG("unsliped 0x%02hhx, rx_pending %zu", *byte, h5->rx_pending); +} + +static void h5_reset_rx(struct h5 *h5) +{ + if (h5->rx_skb) { + kfree_skb(h5->rx_skb); + h5->rx_skb = NULL; + } + + h5->rx_func = h5_rx_delimiter; + h5->rx_pending = 0; + clear_bit(H5_RX_ESC, &h5->flags); +} + +static int h5_recv(struct hci_uart *hu, void *data, int count) +{ + struct h5 *h5 = hu->priv; + unsigned char *ptr = data; + + BT_DBG("%s pending %zu count %d", hu->hdev->name, h5->rx_pending, + count); + + while (count > 0) { + int processed; + + if (h5->rx_pending > 0) { + if (*ptr == SLIP_DELIMITER) { + BT_ERR("Too short H5 packet"); + h5_reset_rx(h5); + continue; + } + + h5_unslip_one_byte(h5, *ptr); + + ptr++; count--; + continue; + } + + processed = h5->rx_func(hu, *ptr); + if (processed < 0) + return processed; + + ptr += processed; + count -= processed; + } + + return 0; +} + +static int h5_enqueue(struct hci_uart *hu, struct sk_buff *skb) +{ + struct h5 *h5 = hu->priv; + + if (skb->len > 0xfff) { + BT_ERR("Packet too long (%u bytes)", skb->len); + kfree_skb(skb); + return 0; + } + + if (h5->state != H5_ACTIVE) { + BT_ERR("Ignoring HCI data in non-active state"); + kfree_skb(skb); + return 0; + } + + switch (bt_cb(skb)->pkt_type) { + case HCI_ACLDATA_PKT: + case HCI_COMMAND_PKT: + skb_queue_tail(&h5->rel, skb); + break; + + case HCI_SCODATA_PKT: + skb_queue_tail(&h5->unrel, skb); + break; + + default: + BT_ERR("Unknown packet type %u", bt_cb(skb)->pkt_type); + kfree_skb(skb); + break; + } + + return 0; +} + +static void h5_slip_delim(struct sk_buff *skb) +{ + const char delim = SLIP_DELIMITER; + + memcpy(skb_put(skb, 1), &delim, 1); +} + +static void h5_slip_one_byte(struct sk_buff *skb, u8 c) +{ + const char esc_delim[2] = { SLIP_ESC, SLIP_ESC_DELIM }; + const char esc_esc[2] = { SLIP_ESC, SLIP_ESC_ESC }; + + switch (c) { + case SLIP_DELIMITER: + memcpy(skb_put(skb, 2), &esc_delim, 2); + break; + case SLIP_ESC: + memcpy(skb_put(skb, 2), &esc_esc, 2); + break; + default: + memcpy(skb_put(skb, 1), &c, 1); + } +} + +static bool valid_packet_type(u8 type) +{ + switch (type) { + case HCI_ACLDATA_PKT: + case HCI_COMMAND_PKT: + case HCI_SCODATA_PKT: + case HCI_3WIRE_LINK_PKT: + case HCI_3WIRE_ACK_PKT: + return true; + default: + return false; + } +} + +static struct sk_buff *h5_prepare_pkt(struct hci_uart *hu, u8 pkt_type, + const u8 *data, size_t len) +{ + struct h5 *h5 = hu->priv; + struct sk_buff *nskb; + u8 hdr[4]; + int i; + + if (!valid_packet_type(pkt_type)) { + BT_ERR("Unknown packet type %u", pkt_type); + return NULL; + } + + /* + * Max len of packet: (original len + 4 (H5 hdr) + 2 (crc)) * 2 + * (because bytes 0xc0 and 0xdb are escaped, worst case is when + * the packet is all made of 0xc0 and 0xdb) + 2 (0xc0 + * delimiters at start and end). + */ + nskb = alloc_skb((len + 6) * 2 + 2, GFP_ATOMIC); + if (!nskb) + return NULL; + + bt_cb(nskb)->pkt_type = pkt_type; + + h5_slip_delim(nskb); + + hdr[0] = h5->tx_ack << 3; + clear_bit(H5_TX_ACK_REQ, &h5->flags); + + /* Reliable packet? */ + if (pkt_type == HCI_ACLDATA_PKT || pkt_type == HCI_COMMAND_PKT) { + hdr[0] |= 1 << 7; + hdr[0] |= h5->tx_seq; + h5->tx_seq = (h5->tx_seq + 1) % 8; + } + + hdr[1] = pkt_type | ((len & 0x0f) << 4); + hdr[2] = len >> 4; + hdr[3] = ~((hdr[0] + hdr[1] + hdr[2]) & 0xff); + + BT_DBG("%s tx: seq %u ack %u crc %u rel %u type %u len %u", + hu->hdev->name, H5_HDR_SEQ(hdr), H5_HDR_ACK(hdr), + H5_HDR_CRC(hdr), H5_HDR_RELIABLE(hdr), H5_HDR_PKT_TYPE(hdr), + H5_HDR_LEN(hdr)); + + for (i = 0; i < 4; i++) + h5_slip_one_byte(nskb, hdr[i]); + + for (i = 0; i < len; i++) + h5_slip_one_byte(nskb, data[i]); + + h5_slip_delim(nskb); + + return nskb; +} + +static struct sk_buff *h5_dequeue(struct hci_uart *hu) +{ + struct h5 *h5 = hu->priv; + unsigned long flags; + struct sk_buff *skb, *nskb; + + if (h5->sleep != H5_AWAKE) { + const unsigned char wakeup_req[] = { 0x05, 0xfa }; + + if (h5->sleep == H5_WAKING_UP) + return NULL; + + h5->sleep = H5_WAKING_UP; + BT_DBG("Sending wakeup request"); + + mod_timer(&h5->timer, jiffies + HZ / 100); + return h5_prepare_pkt(hu, HCI_3WIRE_LINK_PKT, wakeup_req, 2); + } + + if ((skb = skb_dequeue(&h5->unrel)) != NULL) { + nskb = h5_prepare_pkt(hu, bt_cb(skb)->pkt_type, + skb->data, skb->len); + if (nskb) { + kfree_skb(skb); + return nskb; + } + + skb_queue_head(&h5->unrel, skb); + BT_ERR("Could not dequeue pkt because alloc_skb failed"); + } + + spin_lock_irqsave_nested(&h5->unack.lock, flags, SINGLE_DEPTH_NESTING); + + if (h5->unack.qlen >= h5->tx_win) + goto unlock; + + if ((skb = skb_dequeue(&h5->rel)) != NULL) { + nskb = h5_prepare_pkt(hu, bt_cb(skb)->pkt_type, + skb->data, skb->len); + if (nskb) { + __skb_queue_tail(&h5->unack, skb); + mod_timer(&h5->timer, jiffies + H5_ACK_TIMEOUT); + spin_unlock_irqrestore(&h5->unack.lock, flags); + return nskb; + } + + skb_queue_head(&h5->rel, skb); + BT_ERR("Could not dequeue pkt because alloc_skb failed"); + } + +unlock: + spin_unlock_irqrestore(&h5->unack.lock, flags); + + if (test_bit(H5_TX_ACK_REQ, &h5->flags)) + return h5_prepare_pkt(hu, HCI_3WIRE_ACK_PKT, NULL, 0); + + return NULL; +} + +static int h5_flush(struct hci_uart *hu) +{ + BT_DBG("hu %p", hu); + return 0; +} + +static struct hci_uart_proto h5p = { + .id = HCI_UART_3WIRE, + .open = h5_open, + .close = h5_close, + .recv = h5_recv, + .enqueue = h5_enqueue, + .dequeue = h5_dequeue, + .flush = h5_flush, +}; + +int __init h5_init(void) +{ + int err = hci_uart_register_proto(&h5p); + + if (!err) + BT_INFO("HCI Three-wire UART (H5) protocol initialized"); + else + BT_ERR("HCI Three-wire UART (H5) protocol init failed"); + + return err; +} + +int __exit h5_deinit(void) +{ + return hci_uart_unregister_proto(&h5p); +} diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 2f9b796e106e..74e0966b3ead 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -156,6 +156,35 @@ restart: return 0; } +static void hci_uart_init_work(struct work_struct *work) +{ + struct hci_uart *hu = container_of(work, struct hci_uart, init_ready); + int err; + + if (!test_and_clear_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags)) + return; + + err = hci_register_dev(hu->hdev); + if (err < 0) { + BT_ERR("Can't register HCI device"); + hci_free_dev(hu->hdev); + hu->hdev = NULL; + hu->proto->close(hu); + } + + set_bit(HCI_UART_REGISTERED, &hu->flags); +} + +int hci_uart_init_ready(struct hci_uart *hu) +{ + if (!test_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags)) + return -EALREADY; + + schedule_work(&hu->init_ready); + + return 0; +} + /* ------- Interface to HCI layer ------ */ /* Initialize device */ static int hci_uart_open(struct hci_dev *hdev) @@ -264,6 +293,8 @@ static int hci_uart_tty_open(struct tty_struct *tty) hu->tty = tty; tty->receive_room = 65536; + INIT_WORK(&hu->init_ready, hci_uart_init_work); + spin_lock_init(&hu->rx_lock); /* Flush any pending characters in the driver and line discipline. */ @@ -286,28 +317,30 @@ static int hci_uart_tty_open(struct tty_struct *tty) static void hci_uart_tty_close(struct tty_struct *tty) { struct hci_uart *hu = (void *)tty->disc_data; + struct hci_dev *hdev; BT_DBG("tty %p", tty); /* Detach from the tty */ tty->disc_data = NULL; - if (hu) { - struct hci_dev *hdev = hu->hdev; + if (!hu) + return; - if (hdev) - hci_uart_close(hdev); + hdev = hu->hdev; + if (hdev) + hci_uart_close(hdev); - if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) { - if (hdev) { + if (test_and_clear_bit(HCI_UART_PROTO_SET, &hu->flags)) { + if (hdev) { + if (test_bit(HCI_UART_REGISTERED, &hu->flags)) hci_unregister_dev(hdev); - hci_free_dev(hdev); - } - hu->proto->close(hu); + hci_free_dev(hdev); } - - kfree(hu); + hu->proto->close(hu); } + + kfree(hu); } /* hci_uart_tty_wakeup() @@ -401,12 +434,17 @@ static int hci_uart_register_dev(struct hci_uart *hu) else hdev->dev_type = HCI_BREDR; + if (test_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags)) + return 0; + if (hci_register_dev(hdev) < 0) { BT_ERR("Can't register HCI device"); hci_free_dev(hdev); return -ENODEV; } + set_bit(HCI_UART_REGISTERED, &hu->flags); + return 0; } @@ -558,6 +596,9 @@ static int __init hci_uart_init(void) #ifdef CONFIG_BT_HCIUART_ATH3K ath_init(); #endif +#ifdef CONFIG_BT_HCIUART_3WIRE + h5_init(); +#endif return 0; } @@ -578,6 +619,9 @@ static void __exit hci_uart_exit(void) #ifdef CONFIG_BT_HCIUART_ATH3K ath_deinit(); #endif +#ifdef CONFIG_BT_HCIUART_3WIRE + h5_deinit(); +#endif /* Release tty registration of line discipline */ if ((err = tty_unregister_ldisc(N_HCI))) diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index 6cf6ab22ad21..fffa61ff5cb1 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -47,6 +47,7 @@ #define HCI_UART_RAW_DEVICE 0 #define HCI_UART_RESET_ON_INIT 1 #define HCI_UART_CREATE_AMP 2 +#define HCI_UART_INIT_PENDING 3 struct hci_uart; @@ -66,6 +67,8 @@ struct hci_uart { unsigned long flags; unsigned long hdev_flags; + struct work_struct init_ready; + struct hci_uart_proto *proto; void *priv; @@ -76,6 +79,7 @@ struct hci_uart { /* HCI_UART proto flag bits */ #define HCI_UART_PROTO_SET 0 +#define HCI_UART_REGISTERED 1 /* TX states */ #define HCI_UART_SENDING 1 @@ -84,6 +88,7 @@ struct hci_uart { int hci_uart_register_proto(struct hci_uart_proto *p); int hci_uart_unregister_proto(struct hci_uart_proto *p); int hci_uart_tx_wakeup(struct hci_uart *hu); +int hci_uart_init_ready(struct hci_uart *hu); #ifdef CONFIG_BT_HCIUART_H4 int h4_init(void); @@ -104,3 +109,8 @@ int ll_deinit(void); int ath_init(void); int ath_deinit(void); #endif + +#ifdef CONFIG_BT_HCIUART_3WIRE +int h5_init(void); +int h5_deinit(void); +#endif diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 2a6b0b8b7120..ccd723e0f783 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -139,11 +139,12 @@ enum { #define HCIINQUIRY _IOR('H', 240, int) /* HCI timeouts */ -#define HCI_DISCONN_TIMEOUT (2000) /* 2 seconds */ -#define HCI_PAIRING_TIMEOUT (60000) /* 60 seconds */ -#define HCI_INIT_TIMEOUT (10000) /* 10 seconds */ -#define HCI_CMD_TIMEOUT (1000) /* 1 seconds */ -#define HCI_ACL_TX_TIMEOUT (45000) /* 45 seconds */ +#define HCI_DISCONN_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ +#define HCI_PAIRING_TIMEOUT msecs_to_jiffies(60000) /* 60 seconds */ +#define HCI_INIT_TIMEOUT msecs_to_jiffies(10000) /* 10 seconds */ +#define HCI_CMD_TIMEOUT msecs_to_jiffies(1000) /* 1 second */ +#define HCI_ACL_TX_TIMEOUT msecs_to_jiffies(45000) /* 45 seconds */ +#define HCI_AUTO_OFF_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ /* HCI data types */ #define HCI_COMMAND_PKT 0x01 diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 20fd57367ddc..475b8c04ba52 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -587,18 +587,24 @@ void hci_conn_put_device(struct hci_conn *conn); static inline void hci_conn_hold(struct hci_conn *conn) { + BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt), + atomic_read(&conn->refcnt) + 1); + atomic_inc(&conn->refcnt); cancel_delayed_work(&conn->disc_work); } static inline void hci_conn_put(struct hci_conn *conn) { + BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt), + atomic_read(&conn->refcnt) - 1); + if (atomic_dec_and_test(&conn->refcnt)) { unsigned long timeo; if (conn->type == ACL_LINK || conn->type == LE_LINK) { del_timer(&conn->idle_timer); if (conn->state == BT_CONNECTED) { - timeo = msecs_to_jiffies(conn->disc_timeout); + timeo = conn->disc_timeout; if (!conn->out) timeo *= 2; } else { diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index d80e3f0691b4..a7679f8913d2 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -464,6 +464,7 @@ struct l2cap_chan { __u16 tx_win; __u16 tx_win_max; + __u16 ack_win; __u8 max_tx; __u16 retrans_timeout; __u16 monitor_timeout; @@ -672,11 +673,15 @@ enum { static inline void l2cap_chan_hold(struct l2cap_chan *c) { + BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt)); + atomic_inc(&c->refcnt); } static inline void l2cap_chan_put(struct l2cap_chan *c) { + BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt)); + if (atomic_dec_and_test(&c->refcnt)) kfree(c); } diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 23fd0546fccb..4348ee8bda69 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -444,7 +444,7 @@ struct mgmt_ev_auth_failed { struct mgmt_ev_device_found { struct mgmt_addr_info addr; __s8 rssi; - __u8 flags[4]; + __le32 flags; __le16 eir_len; __u8 eir[0]; } __packed; diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index fb93250b3938..4ff0bf3ba9a5 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -501,7 +501,7 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) /* AMP Manager functions */ void amp_mgr_get(struct amp_mgr *mgr) { - BT_DBG("mgr %p", mgr); + BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount)); kref_get(&mgr->kref); } @@ -517,7 +517,7 @@ static void amp_mgr_destroy(struct kref *kref) int amp_mgr_put(struct amp_mgr *mgr) { - BT_DBG("mgr %p", mgr); + BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount)); return kref_put(&mgr->kref, &_mgr_destroy); } diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 2fcced377e50..5ad7da217474 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -107,7 +107,7 @@ static void hci_acl_connect_cancel(struct hci_conn *conn) { struct hci_cp_create_conn_cancel cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); if (conn->hdev->hci_ver < BLUETOOTH_VER_1_2) return; @@ -120,7 +120,7 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason) { struct hci_cp_disconnect cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); conn->state = BT_DISCONN; @@ -134,7 +134,7 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle) struct hci_dev *hdev = conn->hdev; struct hci_cp_add_sco cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); conn->state = BT_CONNECT; conn->out = true; @@ -152,7 +152,7 @@ void hci_setup_sync(struct hci_conn *conn, __u16 handle) struct hci_dev *hdev = conn->hdev; struct hci_cp_setup_sync_conn cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); conn->state = BT_CONNECT; conn->out = true; @@ -196,7 +196,7 @@ void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], struct hci_dev *hdev = conn->hdev; struct hci_cp_le_start_enc cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); memset(&cp, 0, sizeof(cp)); @@ -213,11 +213,11 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status) { struct hci_conn *sco = conn->link; - BT_DBG("%p", conn); - if (!sco) return; + BT_DBG("hcon %p", conn); + if (!status) { if (lmp_esco_capable(conn->hdev)) hci_setup_sync(sco, conn->handle); @@ -235,7 +235,7 @@ static void hci_conn_timeout(struct work_struct *work) disc_work.work); __u8 reason; - BT_DBG("conn %p state %s", conn, state_to_string(conn->state)); + BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); if (atomic_read(&conn->refcnt)) return; @@ -266,7 +266,7 @@ static void hci_conn_enter_sniff_mode(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; - BT_DBG("conn %p mode %d", conn, conn->mode); + BT_DBG("hcon %p mode %d", conn, conn->mode); if (test_bit(HCI_RAW, &hdev->flags)) return; @@ -301,7 +301,7 @@ static void hci_conn_idle(unsigned long arg) { struct hci_conn *conn = (void *) arg; - BT_DBG("conn %p mode %d", conn, conn->mode); + BT_DBG("hcon %p mode %d", conn, conn->mode); hci_conn_enter_sniff_mode(conn); } @@ -382,7 +382,7 @@ int hci_conn_del(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; - BT_DBG("%s conn %p handle %d", hdev->name, conn, conn->handle); + BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle); del_timer(&conn->idle_timer); @@ -442,7 +442,8 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src) list_for_each_entry(d, &hci_dev_list, list) { if (!test_bit(HCI_UP, &d->flags) || - test_bit(HCI_RAW, &d->flags)) + test_bit(HCI_RAW, &d->flags) || + d->dev_type != HCI_BREDR) continue; /* Simple routing: @@ -557,7 +558,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, /* Check link security requirement */ int hci_conn_check_link_mode(struct hci_conn *conn) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (hci_conn_ssp_enabled(conn) && !(conn->link_mode & HCI_LM_ENCRYPT)) return 0; @@ -568,7 +569,7 @@ int hci_conn_check_link_mode(struct hci_conn *conn) /* Authenticate remote device */ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (conn->pending_sec_level > sec_level) sec_level = conn->pending_sec_level; @@ -602,7 +603,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) /* Encrypt the the link */ static void hci_conn_encrypt(struct hci_conn *conn) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { struct hci_cp_set_conn_encrypt cp; @@ -616,7 +617,7 @@ static void hci_conn_encrypt(struct hci_conn *conn) /* Enable security */ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); /* For sdp we don't need the link key. */ if (sec_level == BT_SECURITY_SDP) @@ -669,7 +670,7 @@ EXPORT_SYMBOL(hci_conn_security); /* Check secure link requirement */ int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (sec_level != BT_SECURITY_HIGH) return 1; /* Accept if non-secure is required */ @@ -684,7 +685,7 @@ EXPORT_SYMBOL(hci_conn_check_secure); /* Change link key */ int hci_conn_change_link_key(struct hci_conn *conn) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { struct hci_cp_change_conn_link_key cp; @@ -699,7 +700,7 @@ int hci_conn_change_link_key(struct hci_conn *conn) /* Switch role */ int hci_conn_switch_role(struct hci_conn *conn, __u8 role) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (!role && conn->link_mode & HCI_LM_MASTER) return 1; @@ -720,7 +721,7 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active) { struct hci_dev *hdev = conn->hdev; - BT_DBG("conn %p mode %d", conn, conn->mode); + BT_DBG("hcon %p mode %d", conn, conn->mode); if (test_bit(HCI_RAW, &hdev->flags)) return; @@ -894,7 +895,7 @@ struct hci_chan *hci_chan_create(struct hci_conn *conn) struct hci_dev *hdev = conn->hdev; struct hci_chan *chan; - BT_DBG("%s conn %p", hdev->name, conn); + BT_DBG("%s hcon %p", hdev->name, conn); chan = kzalloc(sizeof(struct hci_chan), GFP_KERNEL); if (!chan) @@ -913,7 +914,7 @@ int hci_chan_del(struct hci_chan *chan) struct hci_conn *conn = chan->conn; struct hci_dev *hdev = conn->hdev; - BT_DBG("%s conn %p chan %p", hdev->name, conn, chan); + BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan); list_del_rcu(&chan->list); @@ -929,7 +930,7 @@ void hci_chan_list_flush(struct hci_conn *conn) { struct hci_chan *chan, *n; - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); list_for_each_entry_safe(chan, n, &conn->chan_list, list) hci_chan_del(chan); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 08994ecc3b6a..d4de5db18d5a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -33,8 +33,6 @@ #include #include -#define AUTO_OFF_TIMEOUT 2000 - static void hci_rx_work(struct work_struct *work); static void hci_cmd_work(struct work_struct *work); static void hci_tx_work(struct work_struct *work); @@ -61,7 +59,7 @@ static void hci_notify(struct hci_dev *hdev, int event) void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result) { - BT_DBG("%s command 0x%04x result 0x%2.2x", hdev->name, cmd, result); + BT_DBG("%s command 0x%4.4x result 0x%2.2x", hdev->name, cmd, result); /* If this is the init phase check if the completed command matches * the last init command, and if not just return. @@ -188,12 +186,6 @@ static void bredr_init(struct hci_dev *hdev) /* Mandatory initialization */ - /* Reset */ - if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { - set_bit(HCI_RESET, &hdev->flags); - hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); - } - /* Read Local Supported Features */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); @@ -234,9 +226,6 @@ static void amp_init(struct hci_dev *hdev) { hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED; - /* Reset */ - hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); - /* Read Local Version */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); @@ -262,6 +251,10 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) } skb_queue_purge(&hdev->driver_init); + /* Reset */ + if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) + hci_reset_req(hdev, 0); + switch (hdev->dev_type) { case HCI_BREDR: bredr_init(hdev); @@ -690,12 +683,11 @@ int hci_dev_open(__u16 dev) set_bit(HCI_INIT, &hdev->flags); hdev->init_last_cmd = 0; - ret = __hci_request(hdev, hci_init_req, 0, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + ret = __hci_request(hdev, hci_init_req, 0, HCI_INIT_TIMEOUT); if (lmp_host_le_capable(hdev)) ret = __hci_request(hdev, hci_le_init_req, 0, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); clear_bit(HCI_INIT, &hdev->flags); } @@ -782,8 +774,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) if (!test_bit(HCI_RAW, &hdev->flags) && test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { set_bit(HCI_INIT, &hdev->flags); - __hci_request(hdev, hci_reset_req, 0, - msecs_to_jiffies(250)); + __hci_request(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT); clear_bit(HCI_INIT, &hdev->flags); } @@ -872,8 +863,7 @@ int hci_dev_reset(__u16 dev) hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0; if (!test_bit(HCI_RAW, &hdev->flags)) - ret = __hci_request(hdev, hci_reset_req, 0, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + ret = __hci_request(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT); done: hci_req_unlock(hdev); @@ -913,7 +903,7 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) switch (cmd) { case HCISETAUTH: err = hci_request(hdev, hci_auth_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETENCRYPT: @@ -925,23 +915,23 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ err = hci_request(hdev, hci_auth_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); if (err) break; } err = hci_request(hdev, hci_encrypt_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETSCAN: err = hci_request(hdev, hci_scan_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETLINKPOL: err = hci_request(hdev, hci_linkpol_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETLINKMODE: @@ -1091,8 +1081,7 @@ static void hci_power_on(struct work_struct *work) return; if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) - schedule_delayed_work(&hdev->power_off, - msecs_to_jiffies(AUTO_OFF_TIMEOUT)); + schedule_delayed_work(&hdev->power_off, HCI_AUTO_OFF_TIMEOUT); if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) mgmt_index_added(hdev); @@ -1369,11 +1358,19 @@ int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr) } /* HCI command timer function */ -static void hci_cmd_timer(unsigned long arg) +static void hci_cmd_timeout(unsigned long arg) { struct hci_dev *hdev = (void *) arg; - BT_ERR("%s command tx timeout", hdev->name); + if (hdev->sent_cmd) { + struct hci_command_hdr *sent = (void *) hdev->sent_cmd->data; + u16 opcode = __le16_to_cpu(sent->opcode); + + BT_ERR("%s command 0x%4.4x tx timeout", hdev->name, opcode); + } else { + BT_ERR("%s command tx timeout", hdev->name); + } + atomic_set(&hdev->cmd_cnt, 1); queue_work(hdev->workqueue, &hdev->cmd_work); } @@ -1671,7 +1668,7 @@ struct hci_dev *hci_alloc_dev(void) init_waitqueue_head(&hdev->req_wait_q); - setup_timer(&hdev->cmd_timer, hci_cmd_timer, (unsigned long) hdev); + setup_timer(&hdev->cmd_timer, hci_cmd_timeout, (unsigned long) hdev); hci_init_sysfs(hdev); discovery_init(hdev); @@ -1746,8 +1743,11 @@ int hci_register_dev(struct hci_dev *hdev) } } - set_bit(HCI_AUTO_OFF, &hdev->dev_flags); set_bit(HCI_SETUP, &hdev->dev_flags); + + if (hdev->dev_type != HCI_AMP) + set_bit(HCI_AUTO_OFF, &hdev->dev_flags); + schedule_work(&hdev->power_on); hci_notify(hdev, HCI_DEV_REG); @@ -2087,7 +2087,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) struct hci_command_hdr *hdr; struct sk_buff *skb; - BT_DBG("%s opcode 0x%x plen %d", hdev->name, opcode, plen); + BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); skb = bt_skb_alloc(len, GFP_ATOMIC); if (!skb) { @@ -2129,7 +2129,7 @@ void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode) if (hdr->opcode != cpu_to_le16(opcode)) return NULL; - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE; } @@ -2199,7 +2199,7 @@ void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags) struct hci_conn *conn = chan->conn; struct hci_dev *hdev = conn->hdev; - BT_DBG("%s chan %p flags 0x%x", hdev->name, chan, flags); + BT_DBG("%s chan %p flags 0x%4.4x", hdev->name, chan, flags); skb->dev = (void *) hdev; @@ -2455,7 +2455,7 @@ static void __check_timeout(struct hci_dev *hdev, unsigned int cnt) /* ACL tx timeout must be longer than maximum * link supervision timeout (40.9 seconds) */ if (!cnt && time_after(jiffies, hdev->acl_last_tx + - msecs_to_jiffies(HCI_ACL_TX_TIMEOUT))) + HCI_ACL_TX_TIMEOUT)) hci_link_tx_to(hdev, ACL_LINK); } } @@ -2699,7 +2699,7 @@ static void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) flags = hci_flags(handle); handle = hci_handle(handle); - BT_DBG("%s len %d handle 0x%x flags 0x%x", hdev->name, skb->len, + BT_DBG("%s len %d handle 0x%4.4x flags 0x%4.4x", hdev->name, skb->len, handle, flags); hdev->stat.acl_rx++; @@ -2741,7 +2741,7 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) handle = __le16_to_cpu(hdr->handle); - BT_DBG("%s len %d handle 0x%x", hdev->name, skb->len, handle); + BT_DBG("%s len %d handle 0x%4.4x", hdev->name, skb->len, handle); hdev->stat.sco_rx++; @@ -2821,7 +2821,8 @@ static void hci_cmd_work(struct work_struct *work) struct hci_dev *hdev = container_of(work, struct hci_dev, cmd_work); struct sk_buff *skb; - BT_DBG("%s cmd %d", hdev->name, atomic_read(&hdev->cmd_cnt)); + BT_DBG("%s cmd_cnt %d cmd queued %d", hdev->name, + atomic_read(&hdev->cmd_cnt), skb_queue_len(&hdev->cmd_q)); /* Send queued commands */ if (atomic_read(&hdev->cmd_cnt)) { @@ -2839,7 +2840,7 @@ static void hci_cmd_work(struct work_struct *work) del_timer(&hdev->cmd_timer); else mod_timer(&hdev->cmd_timer, - jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT)); + jiffies + HCI_CMD_TIMEOUT); } else { skb_queue_head(&hdev->cmd_q, skb); queue_work(hdev->workqueue, &hdev->cmd_work); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 1ba929c05d0d..41ff978a33f9 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -36,7 +36,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) { hci_dev_lock(hdev); @@ -60,7 +60,7 @@ static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -72,7 +72,7 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -93,7 +93,7 @@ static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_role_discovery *rp = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -116,7 +116,7 @@ static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_read_link_policy *rp = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -136,7 +136,7 @@ static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) struct hci_conn *conn; void *sent; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -159,7 +159,7 @@ static void hci_cc_read_def_link_policy(struct hci_dev *hdev, { struct hci_rp_read_def_link_policy *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -173,7 +173,7 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); if (!sent) @@ -189,7 +189,7 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); clear_bit(HCI_RESET, &hdev->flags); @@ -207,7 +207,7 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); if (!sent) @@ -229,7 +229,7 @@ static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_name *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -243,7 +243,7 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); if (!sent) @@ -269,7 +269,7 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); if (!sent) @@ -293,7 +293,7 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) int old_pscan, old_iscan; void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); if (!sent) @@ -340,7 +340,7 @@ static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_class_of_dev *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -356,7 +356,7 @@ static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); if (!sent) @@ -378,7 +378,7 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_read_voice_setting *rp = (void *) skb->data; __u16 setting; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -390,7 +390,7 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) hdev->voice_setting = setting; - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); + BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); @@ -403,7 +403,7 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, __u16 setting; void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -419,7 +419,7 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, hdev->voice_setting = setting; - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); + BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); @@ -429,7 +429,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status); } @@ -439,7 +439,7 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); if (!sent) @@ -597,7 +597,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_version *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) goto done; @@ -608,7 +608,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) hdev->manufacturer = __le16_to_cpu(rp->manufacturer); hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); - BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name, + BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name, hdev->manufacturer, hdev->hci_ver, hdev->hci_rev); if (test_bit(HCI_INIT, &hdev->flags)) @@ -641,7 +641,7 @@ static void hci_cc_read_local_commands(struct hci_dev *hdev, { struct hci_rp_read_local_commands *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) goto done; @@ -660,7 +660,7 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, { struct hci_rp_read_local_features *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -732,7 +732,7 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev, { struct hci_rp_read_local_ext_features *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) goto done; @@ -758,7 +758,7 @@ static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, { struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -772,7 +772,7 @@ static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_buffer_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -798,7 +798,7 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_bd_addr *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (!rp->status) bacpy(&hdev->bdaddr, &rp->bdaddr); @@ -811,7 +811,7 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev, { struct hci_rp_read_data_block_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -832,7 +832,7 @@ static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status); } @@ -842,7 +842,7 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev, { struct hci_rp_read_local_amp_info *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -866,7 +866,7 @@ static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status); } @@ -875,7 +875,7 @@ static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status); } @@ -885,7 +885,7 @@ static void hci_cc_write_inquiry_mode(struct hci_dev *hdev, { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status); } @@ -895,7 +895,7 @@ static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, { struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (!rp->status) hdev->inq_tx_power = rp->tx_power; @@ -907,7 +907,7 @@ static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status); } @@ -918,7 +918,7 @@ static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) struct hci_cp_pin_code_reply *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -944,7 +944,7 @@ static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -960,7 +960,7 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, { struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -979,7 +979,7 @@ static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -995,7 +995,7 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -1010,7 +1010,7 @@ static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -1026,7 +1026,7 @@ static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -1042,7 +1042,7 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, { struct hci_rp_read_local_oob_data *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); mgmt_read_local_oob_data_reply_complete(hdev, rp->hash, @@ -1054,7 +1054,7 @@ static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status); @@ -1072,7 +1072,7 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, struct hci_cp_le_set_scan_enable *cp; __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); if (!cp) @@ -1127,7 +1127,7 @@ static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_le_ltk_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -1139,7 +1139,7 @@ static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -1153,7 +1153,7 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, struct hci_cp_write_le_host_supported *sent; __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); if (!sent) @@ -1175,7 +1175,7 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) { - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) { hci_req_complete(hdev, HCI_OP_INQUIRY, status); @@ -1199,7 +1199,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) struct hci_cp_create_conn *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); if (!cp) @@ -1209,7 +1209,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn); + BT_DBG("%s bdaddr %s hcon %p", hdev->name, batostr(&cp->bdaddr), conn); if (status) { if (conn && conn->state == BT_CONNECT) { @@ -1240,7 +1240,7 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) struct hci_conn *acl, *sco; __u16 handle; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1251,7 +1251,7 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) handle = __le16_to_cpu(cp->handle); - BT_DBG("%s handle %d", hdev->name, handle); + BT_DBG("%s handle 0x%4.4x", hdev->name, handle); hci_dev_lock(hdev); @@ -1274,7 +1274,7 @@ static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) struct hci_cp_auth_requested *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1301,7 +1301,7 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) struct hci_cp_set_conn_encrypt *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1413,7 +1413,7 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) struct hci_cp_remote_name_req *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); /* If successful wait for the name req complete event before * checking for the need to do authentication */ @@ -1452,7 +1452,7 @@ static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) struct hci_cp_read_remote_features *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1479,7 +1479,7 @@ static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) struct hci_cp_read_remote_ext_features *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1507,7 +1507,7 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) struct hci_conn *acl, *sco; __u16 handle; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1518,7 +1518,7 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) handle = __le16_to_cpu(cp->handle); - BT_DBG("%s handle %d", hdev->name, handle); + BT_DBG("%s handle 0x%4.4x", hdev->name, handle); hci_dev_lock(hdev); @@ -1541,7 +1541,7 @@ static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) struct hci_cp_sniff_mode *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1568,7 +1568,7 @@ static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) struct hci_cp_exit_sniff_mode *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1617,7 +1617,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) struct hci_cp_le_create_conn *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); if (!cp) @@ -1655,7 +1655,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) { - BT_DBG("%s status 0x%x", hdev->name, 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) @@ -1664,7 +1664,7 @@ static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct discovery_state *discov = &hdev->discovery; struct inquiry_entry *e; - BT_DBG("%s status %d", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_INQUIRY, status); @@ -1893,7 +1893,7 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_disconn_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1930,7 +1930,7 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_auth_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2035,7 +2035,7 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_encrypt_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2079,7 +2079,7 @@ static void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct hci_ev_change_link_key_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2102,7 +2102,7 @@ static void hci_remote_features_evt(struct hci_dev *hdev, struct hci_ev_remote_features *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2364,7 +2364,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) break; default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } @@ -2445,7 +2445,7 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) break; default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } @@ -2464,7 +2464,7 @@ static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_role_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2605,7 +2605,7 @@ static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_mode_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2763,7 +2763,7 @@ static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_clock_offset *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2786,7 +2786,7 @@ static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_pkt_type_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2930,7 +2930,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct hci_ev_sync_conn_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2989,7 +2989,7 @@ static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_sniff_subrate *ev = (void *) skb->data; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); } static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, @@ -3046,7 +3046,7 @@ static void hci_key_refresh_complete_evt(struct hci_dev *hdev, struct hci_ev_key_refresh_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %u handle %u", hdev->name, ev->status, + BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, __le16_to_cpu(ev->handle)); hci_dev_lock(hdev); @@ -3346,7 +3346,7 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_le_conn_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -3421,7 +3421,7 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_conn *conn; struct smp_ltk *ltk; - BT_DBG("%s handle %d", hdev->name, __le16_to_cpu(ev->handle)); + BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); hci_dev_lock(hdev); @@ -3645,7 +3645,7 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) break; default: - BT_DBG("%s event 0x%x", hdev->name, event); + BT_DBG("%s event 0x%2.2x", hdev->name, event); break; } diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index d42dfdc83ebb..a8964db04bfb 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -431,6 +431,7 @@ void l2cap_chan_set_defaults(struct l2cap_chan *chan) chan->max_tx = L2CAP_DEFAULT_MAX_TX; chan->tx_win = L2CAP_DEFAULT_TX_WINDOW; chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; + chan->ack_win = L2CAP_DEFAULT_TX_WINDOW; chan->sec_level = BT_SECURITY_LOW; set_bit(FLAG_FORCE_ACTIVE, &chan->flags); @@ -1657,7 +1658,7 @@ static void l2cap_streaming_send(struct l2cap_chan *chan, l2cap_do_send(chan, skb); - BT_DBG("Sent txseq %d", (int)control->txseq); + BT_DBG("Sent txseq %u", control->txseq); chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq); chan->frames_sent++; @@ -1722,11 +1723,11 @@ static int l2cap_ertm_send(struct l2cap_chan *chan) chan->tx_send_head = skb_queue_next(&chan->tx_q, skb); l2cap_do_send(chan, tx_skb); - BT_DBG("Sent txseq %d", (int)control->txseq); + BT_DBG("Sent txseq %u", control->txseq); } - BT_DBG("Sent %d, %d unacked, %d in ERTM queue", sent, - (int) chan->unacked_frames, skb_queue_len(&chan->tx_q)); + BT_DBG("Sent %d, %u unacked, %u in ERTM queue", sent, + chan->unacked_frames, skb_queue_len(&chan->tx_q)); return sent; } @@ -1877,14 +1878,14 @@ static void l2cap_send_ack(struct l2cap_chan *chan) frames_to_ack = 0; } - /* Ack now if the tx window is 3/4ths full. + /* Ack now if the window is 3/4ths full. * Calculate without mul or div */ - threshold = chan->tx_win; + threshold = chan->ack_win; threshold += threshold << 1; threshold >>= 2; - BT_DBG("frames_to_ack %d, threshold %d", (int)frames_to_ack, + BT_DBG("frames_to_ack %u, threshold %d", frames_to_ack, threshold); if (frames_to_ack >= threshold) { @@ -1946,15 +1947,15 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan, } static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, - struct msghdr *msg, size_t len, - u32 priority) + struct msghdr *msg, size_t len, + u32 priority) { struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE; struct l2cap_hdr *lh; - BT_DBG("chan %p len %d priority %u", chan, (int)len, priority); + BT_DBG("chan %p len %zu priority %u", chan, len, priority); count = min_t(unsigned int, (conn->mtu - hlen), len); @@ -1980,15 +1981,15 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, } static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, - struct msghdr *msg, size_t len, - u32 priority) + struct msghdr *msg, size_t len, + u32 priority) { struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; int err, count; struct l2cap_hdr *lh; - BT_DBG("chan %p len %d", chan, (int)len); + BT_DBG("chan %p len %zu", chan, len); count = min_t(unsigned int, (conn->mtu - L2CAP_HDR_SIZE), len); @@ -2013,15 +2014,15 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, } static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, - struct msghdr *msg, size_t len, - u16 sdulen) + struct msghdr *msg, size_t len, + u16 sdulen) { struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; int err, count, hlen; struct l2cap_hdr *lh; - BT_DBG("chan %p len %d", chan, (int)len); + BT_DBG("chan %p len %zu", chan, len); if (!conn) return ERR_PTR(-ENOTCONN); @@ -2075,7 +2076,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan, size_t pdu_len; u8 sar; - BT_DBG("chan %p, msg %p, len %d", chan, msg, (int)len); + BT_DBG("chan %p, msg %p, len %zu", chan, msg, len); /* It is critical that ERTM PDUs fit in a single HCI fragment, * so fragmented skbs are not used. The HCI layer's handling @@ -2219,7 +2220,7 @@ static void l2cap_send_srej(struct l2cap_chan *chan, u16 txseq) struct l2cap_ctrl control; u16 seq; - BT_DBG("chan %p, txseq %d", chan, txseq); + BT_DBG("chan %p, txseq %u", chan, txseq); memset(&control, 0, sizeof(control)); control.sframe = 1; @@ -2259,7 +2260,7 @@ static void l2cap_send_srej_list(struct l2cap_chan *chan, u16 txseq) u16 initial_head; u16 seq; - BT_DBG("chan %p, txseq %d", chan, txseq); + BT_DBG("chan %p, txseq %u", chan, txseq); memset(&control, 0, sizeof(control)); control.sframe = 1; @@ -2284,12 +2285,12 @@ static void l2cap_process_reqseq(struct l2cap_chan *chan, u16 reqseq) struct sk_buff *acked_skb; u16 ackseq; - BT_DBG("chan %p, reqseq %d", chan, reqseq); + BT_DBG("chan %p, reqseq %u", chan, reqseq); if (chan->unacked_frames == 0 || reqseq == chan->expected_ack_seq) return; - BT_DBG("expected_ack_seq %d, unacked_frames %d", + BT_DBG("expected_ack_seq %u, unacked_frames %u", chan->expected_ack_seq, chan->unacked_frames); for (ackseq = chan->expected_ack_seq; ackseq != reqseq; @@ -2308,7 +2309,7 @@ static void l2cap_process_reqseq(struct l2cap_chan *chan, u16 reqseq) if (chan->unacked_frames == 0) __clear_retrans_timer(chan); - BT_DBG("unacked_frames %d", (int) chan->unacked_frames); + BT_DBG("unacked_frames %u", chan->unacked_frames); } static void l2cap_abort_rx_srej_sent(struct l2cap_chan *chan) @@ -2534,16 +2535,16 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb) } /* ---- L2CAP signalling commands ---- */ -static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, - u8 code, u8 ident, u16 dlen, void *data) +static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code, + u8 ident, u16 dlen, void *data) { struct sk_buff *skb, **frag; struct l2cap_cmd_hdr *cmd; struct l2cap_hdr *lh; int len, count; - BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d", - conn, code, ident, dlen); + BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %u", + conn, code, ident, dlen); len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen; count = min_t(unsigned int, conn->mtu, len); @@ -2626,7 +2627,7 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned break; } - BT_DBG("type 0x%2.2x len %d val 0x%lx", *type, opt->len, *val); + BT_DBG("type 0x%2.2x len %u val 0x%lx", *type, opt->len, *val); return len; } @@ -2634,7 +2635,7 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val) { struct l2cap_conf_opt *opt = *ptr; - BT_DBG("type 0x%2.2x len %d val 0x%lx", type, len, val); + BT_DBG("type 0x%2.2x len %u val 0x%lx", type, len, val); opt->type = type; opt->len = len; @@ -2786,6 +2787,7 @@ static inline void l2cap_txwin_setup(struct l2cap_chan *chan) L2CAP_DEFAULT_TX_WINDOW); chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; } + chan->ack_win = chan->tx_win; } static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data) @@ -3175,10 +3177,9 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi break; case L2CAP_CONF_EWS: - chan->tx_win = min_t(u16, val, - L2CAP_DEFAULT_EXT_WINDOW); + chan->ack_win = min_t(u16, val, chan->ack_win); l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2, - chan->tx_win); + chan->tx_win); break; case L2CAP_CONF_EFS: @@ -3207,6 +3208,9 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout); chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout); chan->mps = le16_to_cpu(rfc.max_pdu_size); + if (!test_bit(FLAG_EXT_CTRL, &chan->flags)) + chan->ack_win = min_t(u16, chan->ack_win, + rfc.txwin_size); if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) { chan->local_msdu = le16_to_cpu(efs.msdu); @@ -3268,7 +3272,17 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len) { int type, olen; unsigned long val; - struct l2cap_conf_rfc rfc; + /* Use sane default values in case a misbehaving remote device + * did not send an RFC or extended window size option. + */ + u16 txwin_ext = chan->ack_win; + struct l2cap_conf_rfc rfc = { + .mode = chan->mode, + .retrans_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO), + .monitor_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO), + .max_pdu_size = cpu_to_le16(chan->imtu), + .txwin_size = min_t(u16, chan->ack_win, L2CAP_DEFAULT_TX_WINDOW), + }; BT_DBG("chan %p, rsp %p, len %d", chan, rsp, len); @@ -3278,32 +3292,27 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len) while (len >= L2CAP_CONF_OPT_SIZE) { len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val); - if (type != L2CAP_CONF_RFC) - continue; - - if (olen != sizeof(rfc)) + switch (type) { + case L2CAP_CONF_RFC: + if (olen == sizeof(rfc)) + memcpy(&rfc, (void *)val, olen); break; - - memcpy(&rfc, (void *)val, olen); - goto done; + case L2CAP_CONF_EWS: + txwin_ext = val; + break; + } } - /* Use sane default values in case a misbehaving remote device - * did not send an RFC option. - */ - rfc.mode = chan->mode; - rfc.retrans_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO); - rfc.monitor_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO); - rfc.max_pdu_size = cpu_to_le16(chan->imtu); - - BT_ERR("Expected RFC option was not found, using defaults"); - -done: switch (rfc.mode) { case L2CAP_MODE_ERTM: chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout); chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout); - chan->mps = le16_to_cpu(rfc.max_pdu_size); + chan->mps = le16_to_cpu(rfc.max_pdu_size); + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + chan->ack_win = min_t(u16, chan->ack_win, txwin_ext); + else + chan->ack_win = min_t(u16, chan->ack_win, + rfc.txwin_size); break; case L2CAP_MODE_STREAMING: chan->mps = le16_to_cpu(rfc.max_pdu_size); @@ -3949,7 +3958,7 @@ static inline int l2cap_create_channel_req(struct l2cap_conn *conn, psm = le16_to_cpu(req->psm); scid = le16_to_cpu(req->scid); - BT_DBG("psm %d, scid %d, amp_id %d", psm, scid, req->amp_id); + BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id); /* Placeholder: Always reject */ rsp.dcid = 0; @@ -3972,11 +3981,11 @@ static inline int l2cap_create_channel_rsp(struct l2cap_conn *conn, } static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident, - u16 icid, u16 result) + u16 icid, u16 result) { struct l2cap_move_chan_rsp rsp; - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); rsp.icid = cpu_to_le16(icid); rsp.result = cpu_to_le16(result); @@ -3985,12 +3994,13 @@ static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident, } static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn, - struct l2cap_chan *chan, u16 icid, u16 result) + struct l2cap_chan *chan, + u16 icid, u16 result) { struct l2cap_move_chan_cfm cfm; u8 ident; - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); ident = l2cap_get_ident(conn); if (chan) @@ -4003,18 +4013,19 @@ static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn, } static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident, - u16 icid) + u16 icid) { struct l2cap_move_chan_cfm_rsp rsp; - BT_DBG("icid %d", icid); + BT_DBG("icid 0x%4.4x", icid); rsp.icid = cpu_to_le16(icid); l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp); } static inline int l2cap_move_channel_req(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_req *req = data; u16 icid = 0; @@ -4025,7 +4036,7 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn, icid = le16_to_cpu(req->icid); - BT_DBG("icid %d, dest_amp_id %d", icid, req->dest_amp_id); + BT_DBG("icid 0x%4.4x, dest_amp_id %d", icid, req->dest_amp_id); if (!enable_hs) return -EINVAL; @@ -4037,7 +4048,8 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn, } static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_rsp *rsp = data; u16 icid, result; @@ -4048,7 +4060,7 @@ static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, icid = le16_to_cpu(rsp->icid); result = le16_to_cpu(rsp->result); - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); /* Placeholder: Always unconfirmed */ l2cap_send_move_chan_cfm(conn, NULL, icid, L2CAP_MC_UNCONFIRMED); @@ -4057,7 +4069,8 @@ static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, } static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_cfm *cfm = data; u16 icid, result; @@ -4068,7 +4081,7 @@ static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, icid = le16_to_cpu(cfm->icid); result = le16_to_cpu(cfm->result); - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid); @@ -4076,7 +4089,8 @@ static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, } static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_cfm_rsp *rsp = data; u16 icid; @@ -4086,7 +4100,7 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, icid = le16_to_cpu(rsp->icid); - BT_DBG("icid %d", icid); + BT_DBG("icid 0x%4.4x", icid); return 0; } @@ -5374,7 +5388,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) if (!conn) return 0; - BT_DBG("conn %p", conn); + BT_DBG("conn %p status 0x%2.2x encrypt %u", conn, status, encrypt); if (hcon->type == LE_LINK) { if (!status && encrypt) @@ -5387,7 +5401,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) list_for_each_entry(chan, &conn->chan_l, list) { l2cap_chan_lock(chan); - BT_DBG("chan->scid %d", chan->scid); + BT_DBG("chan %p scid 0x%4.4x state %s", chan, chan->scid, + state_to_string(chan->state)); if (chan->scid == L2CAP_CID_LE_DATA) { if (!status && encrypt) { diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index a6e0f3d8da6c..ad6613d17ca6 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -210,7 +210,7 @@ static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); - skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC); + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL); if (!skb) return -ENOMEM; @@ -241,7 +241,7 @@ static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, BT_DBG("sock %p", sk); - skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC); + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL); if (!skb) return -ENOMEM; @@ -687,14 +687,14 @@ static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, { struct pending_cmd *cmd; - cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); + cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) return NULL; cmd->opcode = opcode; cmd->index = hdev->id; - cmd->param = kmalloc(len, GFP_ATOMIC); + cmd->param = kmalloc(len, GFP_KERNEL); if (!cmd->param) { kfree(cmd); return NULL; @@ -812,7 +812,7 @@ static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, struct sk_buff *skb; struct mgmt_hdr *hdr; - skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); + skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL); if (!skb) return -ENOMEM; @@ -1268,7 +1268,7 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto failed; } - uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC); + uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); if (!uuid) { err = -ENOMEM; goto failed; @@ -1611,7 +1611,7 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, } dc.handle = cpu_to_le16(conn->handle); - dc.reason = 0x13; /* Remote User Terminated Connection */ + dc.reason = HCI_ERROR_REMOTE_USER_TERM; err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); if (err < 0) @@ -1667,7 +1667,7 @@ static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, } rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); - rp = kmalloc(rp_len, GFP_ATOMIC); + rp = kmalloc(rp_len, GFP_KERNEL); if (!rp) { err = -ENOMEM; goto unlock; @@ -1778,29 +1778,6 @@ failed: return err; } -static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, - void *data, u16 len) -{ - struct mgmt_cp_pin_code_neg_reply *cp = data; - int err; - - BT_DBG(""); - - hci_dev_lock(hdev); - - if (!hdev_is_powered(hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, - MGMT_STATUS_NOT_POWERED); - goto failed; - } - - err = send_pin_code_neg_reply(sk, hdev, cp); - -failed: - hci_dev_unlock(hdev); - return err; -} - static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -2083,6 +2060,18 @@ done: return err; } +static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, + void *data, u16 len) +{ + struct mgmt_cp_pin_code_neg_reply *cp = data; + + BT_DBG(""); + + return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + MGMT_OP_PIN_CODE_NEG_REPLY, + HCI_OP_PIN_CODE_NEG_REPLY, 0); +} + static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -2607,8 +2596,8 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, if (cp->val) { type = PAGE_SCAN_TYPE_INTERLACED; - /* 22.5 msec page scan interval */ - acp.interval = __constant_cpu_to_le16(0x0024); + /* 160 msec page scan interval */ + acp.interval = __constant_cpu_to_le16(0x0100); } else { type = PAGE_SCAN_TYPE_STANDARD; /* default */ @@ -3546,9 +3535,9 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev->addr.type = link_to_bdaddr(link_type, addr_type); ev->rssi = rssi; if (cfm_name) - ev->flags[0] |= MGMT_DEV_FOUND_CONFIRM_NAME; + ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME); if (!ssp) - ev->flags[0] |= MGMT_DEV_FOUND_LEGACY_PAIRING; + ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING); if (eir_len > 0) memcpy(ev->eir, eir, eir_len); @@ -3558,7 +3547,6 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, dev_class, 3); ev->eir_len = cpu_to_le16(eir_len); - ev_size = sizeof(*ev) + eir_len; return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);