diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c index 8b43dfc755de..b7ba667a3d09 100644 --- a/drivers/bluetooth/bpa10x.c +++ b/drivers/bluetooth/bpa10x.c @@ -20,7 +20,7 @@ #include #include -#include "h4_recv.h" +#include "hci_uart.h" #define VERSION "0.11" diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 4fc673640bfc..50abefba6d04 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -29,7 +29,7 @@ #include #include -#include "h4_recv.h" +#include "hci_uart.h" #include "btmtk.h" #define VERSION "0.1" diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c index 76995cfcd534..d9b90ea2ad38 100644 --- a/drivers/bluetooth/btmtkuart.c +++ b/drivers/bluetooth/btmtkuart.c @@ -27,7 +27,7 @@ #include #include -#include "h4_recv.h" +#include "hci_uart.h" #include "btmtk.h" #define VERSION "0.2" diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c index 76e7f857fb7d..d5153fed0518 100644 --- a/drivers/bluetooth/btnxpuart.c +++ b/drivers/bluetooth/btnxpuart.c @@ -24,7 +24,7 @@ #include #include -#include "h4_recv.h" +#include "hci_uart.h" #define MANUFACTURER_NXP 37 diff --git a/drivers/bluetooth/h4_recv.h b/drivers/bluetooth/h4_recv.h deleted file mode 100644 index 28cf2d8c2d48..000000000000 --- a/drivers/bluetooth/h4_recv.h +++ /dev/null @@ -1,153 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * - * Generic Bluetooth HCI UART driver - * - * Copyright (C) 2015-2018 Intel Corporation - */ - -#include - -struct h4_recv_pkt { - u8 type; /* Packet type */ - u8 hlen; /* Header length */ - u8 loff; /* Data length offset in header */ - u8 lsize; /* Data length field size */ - u16 maxlen; /* Max overall packet length */ - int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); -}; - -#define H4_RECV_ACL \ - .type = HCI_ACLDATA_PKT, \ - .hlen = HCI_ACL_HDR_SIZE, \ - .loff = 2, \ - .lsize = 2, \ - .maxlen = HCI_MAX_FRAME_SIZE \ - -#define H4_RECV_SCO \ - .type = HCI_SCODATA_PKT, \ - .hlen = HCI_SCO_HDR_SIZE, \ - .loff = 2, \ - .lsize = 1, \ - .maxlen = HCI_MAX_SCO_SIZE - -#define H4_RECV_EVENT \ - .type = HCI_EVENT_PKT, \ - .hlen = HCI_EVENT_HDR_SIZE, \ - .loff = 1, \ - .lsize = 1, \ - .maxlen = HCI_MAX_EVENT_SIZE - -#define H4_RECV_ISO \ - .type = HCI_ISODATA_PKT, \ - .hlen = HCI_ISO_HDR_SIZE, \ - .loff = 2, \ - .lsize = 2, \ - .maxlen = HCI_MAX_FRAME_SIZE - -static inline struct sk_buff *h4_recv_buf(struct hci_dev *hdev, - struct sk_buff *skb, - const unsigned char *buffer, - int count, - const struct h4_recv_pkt *pkts, - int pkts_count) -{ - /* Check for error from previous call */ - if (IS_ERR(skb)) - skb = NULL; - - while (count) { - int i, len; - - if (!skb) { - for (i = 0; i < pkts_count; i++) { - if (buffer[0] != (&pkts[i])->type) - continue; - - skb = bt_skb_alloc((&pkts[i])->maxlen, - GFP_ATOMIC); - if (!skb) - return ERR_PTR(-ENOMEM); - - hci_skb_pkt_type(skb) = (&pkts[i])->type; - hci_skb_expect(skb) = (&pkts[i])->hlen; - break; - } - - /* Check for invalid packet type */ - if (!skb) - return ERR_PTR(-EILSEQ); - - count -= 1; - buffer += 1; - } - - len = min_t(uint, hci_skb_expect(skb) - skb->len, count); - skb_put_data(skb, buffer, len); - - count -= len; - buffer += len; - - /* Check for partial packet */ - if (skb->len < hci_skb_expect(skb)) - continue; - - for (i = 0; i < pkts_count; i++) { - if (hci_skb_pkt_type(skb) == (&pkts[i])->type) - break; - } - - if (i >= pkts_count) { - kfree_skb(skb); - return ERR_PTR(-EILSEQ); - } - - if (skb->len == (&pkts[i])->hlen) { - u16 dlen; - - switch ((&pkts[i])->lsize) { - case 0: - /* No variable data length */ - dlen = 0; - break; - case 1: - /* Single octet variable length */ - dlen = skb->data[(&pkts[i])->loff]; - hci_skb_expect(skb) += dlen; - - if (skb_tailroom(skb) < dlen) { - kfree_skb(skb); - return ERR_PTR(-EMSGSIZE); - } - break; - case 2: - /* Double octet variable length */ - dlen = get_unaligned_le16(skb->data + - (&pkts[i])->loff); - hci_skb_expect(skb) += dlen; - - if (skb_tailroom(skb) < dlen) { - kfree_skb(skb); - return ERR_PTR(-EMSGSIZE); - } - break; - default: - /* Unsupported variable length */ - kfree_skb(skb); - return ERR_PTR(-EILSEQ); - } - - if (!dlen) { - /* No more data, complete frame */ - (&pkts[i])->recv(hdev, skb); - skb = NULL; - } - } else { - /* Complete frame */ - (&pkts[i])->recv(hdev, skb); - skb = NULL; - } - } - - return skb; -}