2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1991, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from the Stanford/CMU enet packet filter,
8 * (net/enet.c) distributed as part of 4.3BSD, and code contributed
9 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
10 * Berkeley Laboratory.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 uint32_t up_totlen; /* Total length including all headers */
44 uint32_t up_busunit; /* Host controller unit number */
45 uint8_t up_address; /* USB device index */
46 uint8_t up_mode; /* Mode of transfer */
47 #define USBPF_MODE_HOST 0
48 #define USBPF_MODE_DEVICE 1
49 uint8_t up_type; /* points SUBMIT / DONE */
50 uint8_t up_xfertype; /* Transfer type, see USB2.0 spec. */
51 uint32_t up_flags; /* Transfer flags */
52 #define USBPF_FLAG_FORCE_SHORT_XFER (1 << 0)
53 #define USBPF_FLAG_SHORT_XFER_OK (1 << 1)
54 #define USBPF_FLAG_SHORT_FRAMES_OK (1 << 2)
55 #define USBPF_FLAG_PIPE_BOF (1 << 3)
56 #define USBPF_FLAG_PROXY_BUFFER (1 << 4)
57 #define USBPF_FLAG_EXT_BUFFER (1 << 5)
58 #define USBPF_FLAG_MANUAL_STATUS (1 << 6)
59 #define USBPF_FLAG_NO_PIPE_OK (1 << 7)
60 #define USBPF_FLAG_STALL_PIPE (1 << 8)
61 uint32_t up_status; /* Transfer status */
62 #define USBPF_STATUS_OPEN (1 << 0)
63 #define USBPF_STATUS_TRANSFERRING (1 << 1)
64 #define USBPF_STATUS_DID_DMA_DELAY (1 << 2)
65 #define USBPF_STATUS_DID_CLOSE (1 << 3)
66 #define USBPF_STATUS_DRAINING (1 << 4)
67 #define USBPF_STATUS_STARTED (1 << 5)
68 #define USBPF_STATUS_BW_RECLAIMED (1 << 6)
69 #define USBPF_STATUS_CONTROL_XFR (1 << 7)
70 #define USBPF_STATUS_CONTROL_HDR (1 << 8)
71 #define USBPF_STATUS_CONTROL_ACT (1 << 9)
72 #define USBPF_STATUS_CONTROL_STALL (1 << 10)
73 #define USBPF_STATUS_SHORT_FRAMES_OK (1 << 11)
74 #define USBPF_STATUS_SHORT_XFER_OK (1 << 12)
75 #define USBPF_STATUS_BDMA_ENABLE (1 << 13)
76 #define USBPF_STATUS_BDMA_NO_POST_SYNC (1 << 14)
77 #define USBPF_STATUS_BDMA_SETUP (1 << 15)
78 #define USBPF_STATUS_ISOCHRONOUS_XFR (1 << 16)
79 #define USBPF_STATUS_CURR_DMA_SET (1 << 17)
80 #define USBPF_STATUS_CAN_CANCEL_IMMED (1 << 18)
81 #define USBPF_STATUS_DOING_CALLBACK (1 << 19)
82 uint32_t up_error; /* USB error, see USB_ERR_XXX */
83 uint32_t up_interval; /* For interrupt and isoc (ms) */
84 uint32_t up_frames; /* Number of following frames */
85 uint32_t up_packet_size; /* Packet size used */
86 uint32_t up_packet_count; /* Packet count used */
87 uint32_t up_endpoint; /* USB endpoint / stream ID */
88 uint8_t up_speed; /* USB speed, see USB_SPEED_XXX */
89 /* sizeof(struct usbpf_pkthdr) == 128 bytes */
90 uint8_t up_reserved[83];
93 struct usbpf_framehdr {
95 * The frame length field excludes length of frame header and
99 #define USBPF_FRAME_ALIGN(x) (((x) + 3) & ~3)
101 #define USBPF_FRAMEFLAG_READ (1 << 0)
102 #define USBPF_FRAMEFLAG_DATA_FOLLOWS (1 << 1)
105 #define USBPF_HDR_LEN 128 /* bytes */
106 #define USBPF_FRAME_HDR_LEN 8 /* bytes */
108 extern uint8_t usbpf_pkthdr_size_ok[
109 (sizeof(struct usbpf_pkthdr) == USBPF_HDR_LEN) ? 1 : -1];
110 extern uint8_t usbpf_framehdr_size_ok[
111 (sizeof(struct usbpf_framehdr) == USBPF_FRAME_HDR_LEN) ? 1 : -1];
113 #define USBPF_XFERTAP_SUBMIT 0
114 #define USBPF_XFERTAP_DONE 1
117 void usbpf_attach(struct usb_bus *);
118 void usbpf_detach(struct usb_bus *);
119 void usbpf_xfertap(struct usb_xfer *, int);