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if_muevar.h revision 1.2.4.2
      1 /*	$NetBSD: if_muevar.h,v 1.2.4.2 2018/09/06 06:56:04 pgoyette Exp $	*/
      2 /*	$OpenBSD: if_muereg.h,v 1.1 2018/08/03 01:50:15 kevlo Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 2018 Kevin Lo <kevlo (at) openbsd.org>
      6  *
      7  * Permission to use, copy, modify, and distribute this software for any
      8  * purpose with or without fee is hereby granted, provided that the above
      9  * copyright notice and this permission notice appear in all copies.
     10  *
     11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     18  */
     19 
     20 #ifndef _IF_MUEVAR_H_
     21 #define _IF_MUEVAR_H_
     22 
     23 #include <sys/rndsource.h>
     24 
     25 struct mue_chain {
     26 	struct mue_softc	*mue_sc;
     27 	struct usbd_xfer	*mue_xfer;
     28 	char			*mue_buf;
     29 	int			mue_accum;
     30 	int			mue_idx;
     31 };
     32 
     33 struct mue_cdata {
     34 #define MUE_TX_LIST_CNT	1
     35 	struct mue_chain	mue_tx_chain[MUE_TX_LIST_CNT];
     36 #define MUE_RX_LIST_CNT	1
     37 	struct mue_chain	mue_rx_chain[MUE_RX_LIST_CNT];
     38 	int			mue_tx_prod;
     39 	int			mue_tx_cons;
     40 	int			mue_tx_cnt;
     41 	int			mue_rx_prod;
     42 };
     43 
     44 struct mue_rxbuf_hdr {
     45 	uint32_t		rx_cmd_a;
     46 #define MUE_RX_CMD_A_LEN_MASK	0x00003fff
     47 #define MUE_RX_CMD_A_ICSM	0x00004000
     48 #define MUE_RX_CMD_A_RED	0x00400000
     49 
     50 	uint32_t		rx_cmd_b;
     51 	uint16_t		rx_cmd_c;
     52 } __packed;
     53 
     54 struct mue_txbuf_hdr {
     55 	uint32_t		tx_cmd_a;
     56 #define MUE_TX_CMD_A_LEN_MASK	0x000fffff
     57 #define MUE_TX_CMD_A_FCS	0x00400000
     58 #define MUE_TX_CMD_A_TPE	0x02000000
     59 #define MUE_TX_CMD_A_IPE	0x04000000
     60 #define MUE_TX_CMD_A_LSO	0x08000000
     61 
     62 	uint32_t		tx_cmd_b;
     63 #define MUE_TX_MSS_MIN		8
     64 #define MUE_TX_CMD_B_MSS_SHIFT	16
     65 #define MUE_TX_CMD_B_MSS_MASK	0x3fff0000
     66 
     67 } __packed;
     68 
     69 struct mue_softc {
     70 	device_t		mue_dev;
     71 	bool			mue_dying;
     72 
     73 	uint8_t			mue_enaddr[ETHER_ADDR_LEN];
     74 	struct ethercom		mue_ec;
     75 	struct mii_data		mue_mii;
     76 #define GET_MII(sc)	(&(sc)->mue_mii)
     77 #define GET_IFP(sc)	(&(sc)->mue_ec.ec_if)
     78 
     79 /* The interrupt endpoint is currently unused by the Moschip part. */
     80 #define MUE_ENDPT_RX	0
     81 #define MUE_ENDPT_TX	1
     82 #define MUE_ENDPT_INTR	2
     83 #define MUE_ENDPT_MAX	3
     84 	int			mue_ed[MUE_ENDPT_MAX];
     85 	struct usbd_pipe	*mue_ep[MUE_ENDPT_MAX];
     86 
     87 	struct mue_cdata	mue_cdata;
     88 	callout_t		mue_stat_ch;
     89 
     90 	struct usbd_device	*mue_udev;
     91 	struct usbd_interface	*mue_iface;
     92 
     93 	struct usb_task		mue_tick_task;
     94 	struct usb_task		mue_stop_task;
     95 
     96 	kmutex_t		mue_mii_lock;
     97 
     98 	struct timeval		mue_rx_notice;
     99 
    100 	uint16_t		mue_product;
    101 	uint16_t		mue_flags;
    102 
    103 	int			mue_if_flags;
    104 	int			mue_refcnt;
    105 
    106 	krndsource_t		mue_rnd_source;
    107 
    108 	int			mue_phyno;
    109 	uint32_t		mue_rxbufsz;
    110 	uint32_t		mue_txbufsz;
    111 	int			mue_link;
    112 };
    113 
    114 #endif /* _IF_MUEVAR_H_ */
    115