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/* $OpenBSD: ueaglevar.h,v 1.3 2010/12/06 04:41:40 jakemsr Exp $ */
/*-
* Copyright (c) 2003-2005
* Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define UEAGLE_NISOREQS 6
#define UEAGLE_NISOFRMS 4
#ifndef UEAGLE_INTR_INTERVAL
#define UEAGLE_INTR_INTERVAL 10 /* ms */
#endif
#define UEAGLE_TX_LIST_CNT 1
#define UEAGLE_IDMA_TIMEOUT 1000
#define UEAGLE_TX_TIMEOUT 10000
#define CRC_INITIAL 0xffffffff
#define CRC_MAGIC 0xc704dd7b
#define ATM_CELL_SIZE 53
#define ATM_CELL_HEADER_SIZE 5
#define ATM_CELL_PAYLOAD_SIZE (ATM_CELL_SIZE - ATM_CELL_HEADER_SIZE)
#define AAL5_TRAILER_SIZE 8
/*-
* ATM cell header:
*
* 0 4 8
* +-----------------+-----------------+
* | GFC | VPI |
* +-----------------+-----------------+
* | VPI | VCI |
* +-----------------+-----------------+
* | VCI |
* +-----------------+-----------+-----+
* | VCI | PT (3) | CLP |
* +-----------------+-----------+-----+
* | HEC |
* +-----------------------------------+
*/
#define ATM_CH_FILL(x, gfc, vpi, vci, pt, clp, hec) do { \
(x)[0] = ((gfc) & 0xf) << 4 | ((vpi) & 0xf0) >> 4; \
(x)[1] = ((vpi) & 0xf) << 4 | ((vci) & 0xf000) >> 12; \
(x)[2] = ((vci) & 0xff0) >> 4; \
(x)[3] = ((vci) & 0xf) << 4 | ((pt) & 0x7) << 1 | ((clp) & 0x1);\
(x)[4] = (uint8_t)(hec); \
} while (/* CONSTCOND */0)
#define ATM_CH_SETPTFLAGS(x, v) ((x)[3] |= ((v) & 0x7) << 1)
#define ATM_CH_GETPTFLAGS(x) (((x)[3] >> 1) & 0x7)
#define ATM_CH_GETVPI(x) ((x)[0] << 4 | (x)[1] >> 4)
#define ATM_CH_GETVCI(x) \
(((x)[1] & 0xf) << 12 | (x)[2] << 4 | ((x)[3] & 0xf0) >> 4)
/* optimized shortcut for (ATM_CH_GETPTFLAGS(x) & 1) */
#define ATM_CH_ISLASTCELL(x) ((x)[3] & 0x2)
#define AAL5_TR_SETCPSUU(x, v) ((x)[45] = (uint8_t)(v))
#define AAL5_TR_SETCPI(x, v) ((x)[46] = (uint8_t)(v))
#define AAL5_TR_SETPDULEN(x, v) do { \
(x)[47] = (uint8_t)((v) >> 8); \
(x)[48] = (uint8_t)(v); \
} while (/* CONSTCOND */0)
#define AAL5_TR_GETPDULEN(x) (uint16_t)((x)[47] << 8 | (x)[48])
#define AAL5_TR_SETCRC(x, v) do { \
(x)[49] = (uint8_t)((v) >> 24); \
(x)[50] = (uint8_t)((v) >> 16); \
(x)[51] = (uint8_t)((v) >> 8); \
(x)[52] = (uint8_t)(v); \
} while (/* CONSTCOND */0)
#define UEAGLE_IFMTU 1500
#define UEAGLE_TXBUFLEN \
(((UEAGLE_IFMTU / ATM_CELL_PAYLOAD_SIZE) + 2) * ATM_CELL_SIZE)
struct ueagle_vcc {
uint16_t vci;
uint8_t vpi;
uint8_t ch[ATM_CELL_HEADER_SIZE];
void *rxhand;
struct mbuf *m;
uint8_t *dst;
uint8_t *limit;
struct atm_pseudohdr aph;
int flags;
#define UEAGLE_VCC_ACTIVE (1 << 0)
#define UEAGLE_VCC_DROP (1 << 1)
};
struct ueagle_softc;
struct ueagle_isoreq {
struct ueagle_softc *sc;
usbd_xfer_handle xfer;
uint16_t frlengths[UEAGLE_NISOFRMS];
uint8_t *offsets[UEAGLE_NISOFRMS];
};
struct ueagle_txreq {
struct ueagle_softc *sc;
usbd_xfer_handle xfer;
uint8_t *buf;
};
struct ueagle_stats {
struct {
uint32_t status;
uint32_t flags;
uint32_t vidcpe;
uint32_t vidco;
uint32_t dsrate;
uint32_t usrate;
uint32_t dserror;
uint32_t userror;
uint32_t dsunc;
uint32_t usunc;
uint32_t txflow;
uint32_t rxflow;
uint32_t attenuation;
uint32_t dsmargin;
uint32_t usmargin;
} phy;
struct {
uint32_t cells_transmitted;
uint32_t cells_received;
uint32_t cells_crc_errors;
uint32_t cells_dropped;
uint32_t vcc_no_conn;
uint32_t cspdus_transmitted;
uint32_t cspdus_received;
uint32_t cspdus_crc_errors;
uint32_t cspdus_dropped;
} atm;
};
#define UEAGLE_COND_CMV(sc) ((char *)(sc) + 1)
#define UEAGLE_COND_READY(sc) ((char *)(sc) + 2)
#define UEAGLE_COND_SYNC(sc) ((char *)(sc) + 3)
struct ueagle_softc {
struct device sc_dev;
struct ifnet sc_if;
usbd_device_handle sc_udev;
struct proc *stat_thread;
struct usb_task sc_swap_task;
uint16_t pageno;
uint16_t ovl;
const char *fw;
uint8_t *dsp;
struct usb_task sc_init_task;
usbd_pipe_handle pipeh_tx;
usbd_pipe_handle pipeh_rx;
usbd_pipe_handle pipeh_idma;
usbd_pipe_handle pipeh_intr;
struct ueagle_isoreq isoreqs[UEAGLE_NISOREQS];
struct ueagle_txreq txreqs[UEAGLE_TX_LIST_CNT];
struct ueagle_vcc vcc;
struct ueagle_stats stats;
uint16_t isize;
char ibuf[32];
uint16_t index;
uint32_t data;
};
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