*/
#define RECON_THRESHOLD 30
-
/*
* Define this to the minimum "timeout" value. If a transmit takes longer
* than TX_TIMEOUT jiffies, Linux will abort the TX and retry. On a large
*/
#define TX_TIMEOUT (HZ * 200 / 1000)
-
/* Display warnings about the driver being an ALPHA version. */
#undef ALPHA_WARNING
-
/*
* Debugging bitflags: each option can be enabled individually.
- *
+ *
* Note: only debug flags included in the ARCNET_DEBUG_MAX define will
* actually be available. GCC will (at least, GCC 2.7.0 will) notice
* lines using a BUGLVL not in ARCNET_DEBUG_MAX and automatically optimize
#endif
#ifndef ARCNET_DEBUG
-#define ARCNET_DEBUG (D_NORMAL|D_EXTRA)
+#define ARCNET_DEBUG (D_NORMAL | D_EXTRA)
#endif
extern int arcnet_debug;
+#define BUGLVL_TEST(x) ((x) & ARCNET_DEBUG_MAX & arcnet_debug)
+#define BUGLVL(x) if (BUGLVL_TEST(x))
+
/* macros to simplify debug checking */
-#define BUGLVL(x) if ((ARCNET_DEBUG_MAX)&arcnet_debug&(x))
-#define BUGMSG2(x,msg,args...) do { BUGLVL(x) printk(msg, ## args); } while (0)
-#define BUGMSG(x,msg,args...) \
- BUGMSG2(x, "%s%6s: " msg, \
- x==D_NORMAL ? KERN_WARNING \
- : x < D_DURING ? KERN_INFO : KERN_DEBUG, \
- dev->name , ## args)
+#define BUGMSG(x, fmt, ...) \
+do { \
+ if (BUGLVL_TEST(x)) \
+ printk("%s%6s: " fmt, \
+ (x) == D_NORMAL ? KERN_WARNING : \
+ (x) < D_DURING ? KERN_INFO : KERN_DEBUG, \
+ dev->name, ##__VA_ARGS__); \
+} while (0)
+
+#define BUGMSG2(x, fmt, ...) \
+do { \
+ if (BUGLVL_TEST(x)) \
+ printk(fmt, ##__VA_ARGS__); \
+} while (0)
/* see how long a function call takes to run, expressed in CPU cycles */
-#define TIME(name, bytes, call) BUGLVL(D_TIMING) { \
- unsigned long _x, _y; \
- _x = get_cycles(); \
- call; \
- _y = get_cycles(); \
- BUGMSG(D_TIMING, \
- "%s: %d bytes in %lu cycles == " \
- "%lu Kbytes/100Mcycle\n",\
- name, bytes, _y - _x, \
- 100000000 / 1024 * bytes / (_y - _x + 1));\
- } \
- else { \
- call;\
+#define TIME(name, bytes, call) BUGLVL(D_TIMING) { \
+ unsigned long _x, _y; \
+ _x = get_cycles(); \
+ call; \
+ _y = get_cycles(); \
+ BUGMSG(D_TIMING, \
+ "%s: %d bytes in %lu cycles == " \
+ "%lu Kbytes/100Mcycle\n", \
+ name, bytes, _y - _x, \
+ 100000000 / 1024 * bytes / (_y - _x + 1)); \
+ } \
+ else { \
+ call; \
}
-
/*
* Time needed to reset the card - in ms (milliseconds). This works on my
* SMC PC100. I can't find a reference that tells me just how long I
#define ARC_CAN_10MBIT 2 /* card uses COM20022, supporting 10MBit,
but default is 2.5MBit. */
-
/* information needed to define an encapsulation driver */
struct ArcProto {
char suffix; /* a for RFC1201, e for ether-encap, etc. */
int mtu; /* largest possible packet */
int is_ip; /* This is a ip plugin - not a raw thing */
- void (*rx) (struct net_device * dev, int bufnum,
- struct archdr * pkthdr, int length);
- int (*build_header) (struct sk_buff * skb, struct net_device *dev,
- unsigned short ethproto, uint8_t daddr);
+ void (*rx)(struct net_device *dev, int bufnum,
+ struct archdr *pkthdr, int length);
+ int (*build_header)(struct sk_buff *skb, struct net_device *dev,
+ unsigned short ethproto, uint8_t daddr);
/* these functions return '1' if the skb can now be freed */
- int (*prepare_tx) (struct net_device * dev, struct archdr * pkt, int length,
- int bufnum);
- int (*continue_tx) (struct net_device * dev, int bufnum);
- int (*ack_tx) (struct net_device * dev, int acked);
+ int (*prepare_tx)(struct net_device *dev, struct archdr *pkt, int length,
+ int bufnum);
+ int (*continue_tx)(struct net_device *dev, int bufnum);
+ int (*ack_tx)(struct net_device *dev, int acked);
};
extern struct ArcProto *arc_proto_map[256], *arc_proto_default,
*arc_bcast_proto, *arc_raw_proto;
-
/*
* "Incoming" is information needed for each address that could be sending
* to us. Mostly for partially-received split packets.
numpackets; /* number of packets in split */
};
-
/* only needed for RFC1201 */
struct Outgoing {
struct ArcProto *proto; /* protocol driver that owns this:
numsegs; /* number of segments */
};
-
struct arcnet_local {
uint8_t config, /* current value of CONFIG register */
timeout, /* Extended timeout for COM20020 */
char *card_name; /* card ident string */
int card_flags; /* special card features */
-
/* On preemtive and SMB a lock is needed */
spinlock_t lock;
* situations in which we (for example) want to pre-load a transmit
* buffer, or start receiving while we copy a received packet to
* memory.
- *
+ *
* The rules: only the interrupt handler is allowed to _add_ buffers to
* the queue; thus, this doesn't require a lock. Both the interrupt
* handler and the transmit function will want to _remove_ buffers, so
* we need to handle the situation where they try to do it at the same
* time.
- *
+ *
* If next_buf == first_free_buf, the queue is empty. Since there are
* only four possible buffers, the queue should never be full.
*/
/* hardware-specific functions */
struct {
struct module *owner;
- void (*command) (struct net_device * dev, int cmd);
- int (*status) (struct net_device * dev);
- void (*intmask) (struct net_device * dev, int mask);
- int (*reset) (struct net_device * dev, int really_reset);
- void (*open) (struct net_device * dev);
- void (*close) (struct net_device * dev);
-
- void (*copy_to_card) (struct net_device * dev, int bufnum, int offset,
- void *buf, int count);
- void (*copy_from_card) (struct net_device * dev, int bufnum, int offset,
- void *buf, int count);
+ void (*command)(struct net_device *dev, int cmd);
+ int (*status)(struct net_device *dev);
+ void (*intmask)(struct net_device *dev, int mask);
+ int (*reset)(struct net_device *dev, int really_reset);
+ void (*open)(struct net_device *dev);
+ void (*close)(struct net_device *dev);
+
+ void (*copy_to_card)(struct net_device *dev, int bufnum, int offset,
+ void *buf, int count);
+ void (*copy_from_card)(struct net_device *dev, int bufnum, int offset,
+ void *buf, int count);
} hw;
void __iomem *mem_start; /* pointer to ioremap'ed MMIO */
};
-
#define ARCRESET(x) (lp->hw.reset(dev, (x)))
#define ACOMMAND(x) (lp->hw.command(dev, (x)))
#define ASTATUS() (lp->hw.status(dev))
#define AINTMASK(x) (lp->hw.intmask(dev, (x)))
-
-
#if ARCNET_DEBUG_MAX & D_SKB
void arcnet_dump_skb(struct net_device *dev, struct sk_buff *skb, char *desc);
#else
-#define arcnet_dump_skb(dev,skb,desc) ;
+#define arcnet_dump_skb(dev, skb, desc) ;
#endif
void arcnet_unregister_proto(struct ArcProto *proto);
int arcnet_open(struct net_device *dev);
int arcnet_close(struct net_device *dev);
netdev_tx_t arcnet_send_packet(struct sk_buff *skb,
- struct net_device *dev);
+ struct net_device *dev);
void arcnet_timeout(struct net_device *dev);
#endif /* __KERNEL__ */
projects / cascardo / linux.git / blobdiff