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if_muevar.h revision 1.5
      1 /*	$NetBSD: if_muevar.h,v 1.5 2019/01/31 05:25:07 rin 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 #ifndef MUE_TX_LIST_CNT
     35 #define MUE_TX_LIST_CNT	4
     36 #endif
     37 	struct mue_chain	mue_tx_chain[MUE_TX_LIST_CNT];
     38 #ifndef MUE_RX_LIST_CNT
     39 #define MUE_RX_LIST_CNT	4
     40 #endif
     41 	struct mue_chain	mue_rx_chain[MUE_RX_LIST_CNT];
     42 	int			mue_tx_prod;
     43 	int			mue_tx_cons;
     44 	int			mue_tx_cnt;
     45 	int			mue_rx_prod;
     46 };
     47 
     48 struct mue_rxbuf_hdr {
     49 	uint32_t		rx_cmd_a;
     50 #define MUE_RX_CMD_A_LEN_MASK	0x00003fff
     51 #define MUE_RX_CMD_A_ICSM	0x00004000
     52 #define MUE_RX_CMD_A_ERRORS	__BITS(16, 21)	/* non-checksum errors */
     53 #define MUE_RX_CMD_A_RED	0x00400000
     54 #define MUE_RX_CMD_A_PID	__BITS(28, 27)
     55 #define MUE_RX_CMD_A_PID_TCP	__SHIFTIN(1, MUE_RX_CMD_A_PID)
     56 #define MUE_RX_CMD_A_PID_UDP	__SHIFTIN(2, MUE_RX_CMD_A_PID)
     57 #define MUE_RX_CMD_A_PID_IP	__SHIFTIN(3, MUE_RX_CMD_A_PID)
     58 #define MUE_RX_CMD_A_IPV	__BIT(29)
     59 #define MUE_RX_CMD_A_TCE	__BIT(30)
     60 #define MUE_RX_CMD_A_ICE	__BIT(31)
     61 
     62 	uint32_t		rx_cmd_b;
     63 	uint16_t		rx_cmd_c;
     64 } __packed;
     65 
     66 struct mue_txbuf_hdr {
     67 	uint32_t		tx_cmd_a;
     68 #define MUE_TX_CMD_A_LEN_MASK	0x000fffff
     69 #define MUE_TX_CMD_A_FCS	0x00400000
     70 #define MUE_TX_CMD_A_TPE	0x02000000
     71 #define MUE_TX_CMD_A_IPE	0x04000000
     72 #define MUE_TX_CMD_A_LSO	0x08000000
     73 
     74 	uint32_t		tx_cmd_b;
     75 #define MUE_TX_MSS_MIN		8
     76 #define MUE_TX_CMD_B_MSS_SHIFT	16
     77 #define MUE_TX_CMD_B_MSS_MASK	0x3fff0000
     78 
     79 } __packed;
     80 
     81 struct mue_softc {
     82 	device_t		mue_dev;
     83 	bool			mue_dying;
     84 
     85 	uint8_t			mue_enaddr[ETHER_ADDR_LEN];
     86 	struct ethercom		mue_ec;
     87 	struct mii_data		mue_mii;
     88 #define GET_MII(sc)	(&(sc)->mue_mii)
     89 #define GET_IFP(sc)	(&(sc)->mue_ec.ec_if)
     90 
     91 /* The interrupt endpoint is currently unused by the Moschip part. */
     92 #define MUE_ENDPT_RX	0
     93 #define MUE_ENDPT_TX	1
     94 #define MUE_ENDPT_INTR	2
     95 #define MUE_ENDPT_MAX	3
     96 	int			mue_ed[MUE_ENDPT_MAX];
     97 	struct usbd_pipe	*mue_ep[MUE_ENDPT_MAX];
     98 
     99 	struct mue_cdata	mue_cdata;
    100 	callout_t		mue_stat_ch;
    101 
    102 	struct usbd_device	*mue_udev;
    103 	struct usbd_interface	*mue_iface;
    104 
    105 	struct usb_task		mue_tick_task;
    106 	struct usb_task		mue_stop_task;
    107 
    108 	kmutex_t		mue_mii_lock;
    109 
    110 	struct timeval		mue_rx_notice;
    111 
    112 	uint16_t		mue_product;
    113 	uint16_t		mue_flags;
    114 
    115 	int			mue_if_flags;
    116 	int			mue_refcnt;
    117 
    118 	krndsource_t		mue_rnd_source;
    119 
    120 	int			mue_phyno;
    121 	uint32_t		mue_rxbufsz;
    122 	uint32_t		mue_txbufsz;
    123 	int			mue_link;
    124 };
    125 
    126 #endif /* _IF_MUEVAR_H_ */
    127