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if_muevar.h revision 1.2.4.4
      1 /*	$NetBSD: if_muevar.h,v 1.2.4.4 2019/01/18 08:50:43 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	4
     35 	struct mue_chain	mue_tx_chain[MUE_TX_LIST_CNT];
     36 #define MUE_RX_LIST_CNT	4
     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_ERRORS	__BITS(16, 21)	/* non-checksum errors */
     49 #define MUE_RX_CMD_A_RED	0x00400000
     50 #define MUE_RX_CMD_A_PID	__BITS(28, 27)
     51 #define MUE_RX_CMD_A_PID_TCP	__SHIFTIN(1, MUE_RX_CMD_A_PID)
     52 #define MUE_RX_CMD_A_PID_UDP	__SHIFTIN(2, MUE_RX_CMD_A_PID)
     53 #define MUE_RX_CMD_A_PID_IP	__SHIFTIN(3, MUE_RX_CMD_A_PID)
     54 #define MUE_RX_CMD_A_IPV	__BIT(29)
     55 #define MUE_RX_CMD_A_TCE	__BIT(30)
     56 #define MUE_RX_CMD_A_ICE	__BIT(31)
     57 
     58 	uint32_t		rx_cmd_b;
     59 	uint16_t		rx_cmd_c;
     60 } __packed;
     61 
     62 struct mue_txbuf_hdr {
     63 	uint32_t		tx_cmd_a;
     64 #define MUE_TX_CMD_A_LEN_MASK	0x000fffff
     65 #define MUE_TX_CMD_A_FCS	0x00400000
     66 #define MUE_TX_CMD_A_TPE	0x02000000
     67 #define MUE_TX_CMD_A_IPE	0x04000000
     68 #define MUE_TX_CMD_A_LSO	0x08000000
     69 
     70 	uint32_t		tx_cmd_b;
     71 #define MUE_TX_MSS_MIN		8
     72 #define MUE_TX_CMD_B_MSS_SHIFT	16
     73 #define MUE_TX_CMD_B_MSS_MASK	0x3fff0000
     74 
     75 } __packed;
     76 
     77 struct mue_softc {
     78 	device_t		mue_dev;
     79 	bool			mue_dying;
     80 
     81 	uint8_t			mue_enaddr[ETHER_ADDR_LEN];
     82 	struct ethercom		mue_ec;
     83 	struct mii_data		mue_mii;
     84 #define GET_MII(sc)	(&(sc)->mue_mii)
     85 #define GET_IFP(sc)	(&(sc)->mue_ec.ec_if)
     86 
     87 /* The interrupt endpoint is currently unused by the Moschip part. */
     88 #define MUE_ENDPT_RX	0
     89 #define MUE_ENDPT_TX	1
     90 #define MUE_ENDPT_INTR	2
     91 #define MUE_ENDPT_MAX	3
     92 	int			mue_ed[MUE_ENDPT_MAX];
     93 	struct usbd_pipe	*mue_ep[MUE_ENDPT_MAX];
     94 
     95 	struct mue_cdata	mue_cdata;
     96 	callout_t		mue_stat_ch;
     97 
     98 	struct usbd_device	*mue_udev;
     99 	struct usbd_interface	*mue_iface;
    100 
    101 	struct usb_task		mue_tick_task;
    102 	struct usb_task		mue_stop_task;
    103 
    104 	kmutex_t		mue_mii_lock;
    105 
    106 	struct timeval		mue_rx_notice;
    107 
    108 	uint16_t		mue_product;
    109 	uint16_t		mue_flags;
    110 
    111 	int			mue_if_flags;
    112 	int			mue_refcnt;
    113 
    114 	krndsource_t		mue_rnd_source;
    115 
    116 	int			mue_phyno;
    117 	uint32_t		mue_rxbufsz;
    118 	uint32_t		mue_txbufsz;
    119 	int			mue_link;
    120 };
    121 
    122 #endif /* _IF_MUEVAR_H_ */
    123