net/arcnet/arcdevice.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
34  * Define this to the minimum "timeout" value.  If a transmit takes longer
36  * network, or one with heavy network traffic, this timeout may need to be
38  * necessary transmits - don't set this too high.
54 #define D_EXTRA		2	/* useful, but non-vital information      */
58 #define D_PROTO		64	/* debug auto-protocol support            */
62 #define D_RX		512	/* show rx packets                        */
108 			   name, bytes, _y - _x,			\
109 			   100000000 / 1024 * bytes / (_y - _x + 1));	\
116  * Time needed to reset the card - in ms (milliseconds).  This works on my
123  * These are the max/min lengths of packet payload, not including the
128  * In non-RFC1201 protocols, we have to just tack some extra bytes on the
131 #define MTU	253		/* normal packet max size */
133 #define XMTU	508		/* extended packet max size */
141 #define RESETflag       0x10	/* power-on-reset */
142 #define RES1flag        0x20	/* reserved - usually set by jumper */
143 #define RES2flag        0x40	/* reserved - usually set by jumper */
146 /* Flags used for IO-mapped memory operations */
149 #define ENABLE16flag    0x80	/* (for 90xx) Enable 16-bit mode */
152  *                0-2     command
153  *                3-4     page number (for enable rcv/xmt command)
166 #define RESETclear      0x08	/* power-on-reset */
181 #define NORMALconf      0x00	/* 1-249 byte packets */
182 #define EXTconf         0x08	/* 250-504 byte packets */
184 /* card feature flags, set during auto-detection.
195 	char suffix;		/* a for RFC1201, e for ether-encap, etc. */
197 	int is_ip;              /* This is a ip plugin - not a raw thing */
199 	void (*rx)(struct net_device *dev, int bufnum,  member
216  * to us.  Mostly for partially-received split packets.
242 		timeout,	/* Extended timeout for COM20020 */  member
250 	int	cur_tx,		/* buffer used by current transmit, or -1 */
255 	int	timed_out;	/* need to process TX timeout and drop packet */
256 	unsigned long last_timeout;	/* time of last reported timeout */
275 	 * Buffer management: an ARCnet card has 4 x 512-byte buffers, each of
279 	 * situations in which we (for example) want to pre-load a transmit
318 	/* hardware-specific functions */
378 #define BUS_ALIGN  2  /* 8 bit device on a 16 bit bus - needs padding */