From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/isdn/hisax/hisax_debug.h | 80 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 drivers/isdn/hisax/hisax_debug.h (limited to 'drivers/isdn/hisax/hisax_debug.h') diff --git a/drivers/isdn/hisax/hisax_debug.h b/drivers/isdn/hisax/hisax_debug.h new file mode 100644 index 000000000..7b3093d08 --- /dev/null +++ b/drivers/isdn/hisax/hisax_debug.h @@ -0,0 +1,80 @@ +/* + * Common debugging macros for use with the hisax driver + * + * Author Frode Isaksen + * Copyright 2001 by Frode Isaksen + * 2001 by Kai Germaschewski + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + * How to use: + * + * Before including this file, you need to + * #define __debug_variable my_debug + * where my_debug is a variable in your code which + * determines the debug bitmask. + * + * If CONFIG_HISAX_DEBUG is not set, all macros evaluate to nothing + * + */ + +#ifndef __HISAX_DEBUG_H__ +#define __HISAX_DEBUG_H__ + + +#ifdef CONFIG_HISAX_DEBUG + +#define DBG(level, format, arg...) do { \ + if (level & __debug_variable) \ + printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \ + } while (0) + +#define DBG_PACKET(level, data, count) \ + if (level & __debug_variable) dump_packet(__func__, data, count) + +#define DBG_SKB(level, skb) \ + if ((level & __debug_variable) && skb) dump_packet(__func__, skb->data, skb->len) + + +static void __attribute__((unused)) +dump_packet(const char *name, const u_char *data, int pkt_len) +{ +#define DUMP_HDR_SIZE 20 +#define DUMP_TLR_SIZE 8 + if (pkt_len) { + int i, len1, len2; + + printk(KERN_DEBUG "%s: length=%d,data=", name, pkt_len); + + if (pkt_len > DUMP_HDR_SIZE + DUMP_TLR_SIZE) { + len1 = DUMP_HDR_SIZE; + len2 = DUMP_TLR_SIZE; + } else { + len1 = pkt_len > DUMP_HDR_SIZE ? DUMP_HDR_SIZE : pkt_len; + len2 = 0; + } + for (i = 0; i < len1; ++i) { + printk("%.2x", data[i]); + } + if (len2) { + printk(".."); + for (i = pkt_len-DUMP_TLR_SIZE; i < pkt_len; ++i) { + printk("%.2x", data[i]); + } + } + printk("\n"); + } +#undef DUMP_HDR_SIZE +#undef DUMP_TLR_SIZE +} + +#else + +#define DBG(level, format, arg...) do {} while (0) +#define DBG_PACKET(level, data, count) do {} while (0) +#define DBG_SKB(level, skb) do {} while (0) + +#endif + +#endif -- cgit v1.2.3-54-g00ecf