6lowpan: fix/move/cleanup debug functions
There are several issues on current debug behaviour.
This patch fix the following issues:
- Fix debug printout only if DEBUG is defined.
- Move debug functions of 6LoWPAN code into 6lowpan header.
- Cleanup codestyle of debug functions.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 53d0bd5..48b25c0 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -101,37 +101,6 @@
(dest)[IEEE802154_ADDR_LEN - i - 1] = (src)[i];
}
-/* list of all 6lowpan devices, uses for package delivering */
-/* print data in line */
-static inline void lowpan_raw_dump_inline(const char *caller, char *msg,
- unsigned char *buf, int len)
-{
-#ifdef DEBUG
- if (msg)
- pr_debug("(%s) %s: ", caller, msg);
- print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE,
- 16, 1, buf, len, false);
-#endif /* DEBUG */
-}
-
-/*
- * print data in a table format:
- *
- * addr: xx xx xx xx xx xx
- * addr: xx xx xx xx xx xx
- * ...
- */
-static inline void lowpan_raw_dump_table(const char *caller, char *msg,
- unsigned char *buf, int len)
-{
-#ifdef DEBUG
- if (msg)
- pr_debug("(%s) %s:\n", caller, msg);
- print_hex_dump(KERN_DEBUG, "\t", DUMP_PREFIX_OFFSET,
- 16, 1, buf, len, false);
-#endif /* DEBUG */
-}
-
static int lowpan_header_create(struct sk_buff *skb,
struct net_device *dev,
unsigned short type, const void *_daddr,
@@ -153,8 +122,8 @@
if (!saddr)
saddr = dev->dev_addr;
- lowpan_raw_dump_inline(__func__, "saddr", (unsigned char *)saddr, 8);
- lowpan_raw_dump_inline(__func__, "daddr", (unsigned char *)daddr, 8);
+ raw_dump_inline(__func__, "saddr", (unsigned char *)saddr, 8);
+ raw_dump_inline(__func__, "daddr", (unsigned char *)daddr, 8);
lowpan_header_compress(skb, dev, type, daddr, saddr, len);
@@ -290,8 +259,7 @@
u8 iphc0, iphc1;
const struct ieee802154_addr *_saddr, *_daddr;
- lowpan_raw_dump_table(__func__, "raw skb data dump", skb->data,
- skb->len);
+ raw_dump_table(__func__, "raw skb data dump", skb->data, skb->len);
/* at least two bytes will be used for the encoding */
if (skb->len < 2)
goto drop;
@@ -429,7 +397,7 @@
hlen = (type == LOWPAN_DISPATCH_FRAG1) ?
LOWPAN_FRAG1_HEAD_SIZE : LOWPAN_FRAGN_HEAD_SIZE;
- lowpan_raw_dump_inline(__func__, "6lowpan fragment header", head, hlen);
+ raw_dump_inline(__func__, "6lowpan fragment header", head, hlen);
frag = netdev_alloc_skb(skb->dev,
hlen + mlen + plen + IEEE802154_MFR_SIZE);
@@ -449,8 +417,7 @@
skb_copy_to_linear_data_offset(frag, mlen + hlen,
skb_network_header(skb) + offset, plen);
- lowpan_raw_dump_table(__func__, " raw fragment dump", frag->data,
- frag->len);
+ raw_dump_table(__func__, " raw fragment dump", frag->data, frag->len);
return dev_queue_xmit(frag);
}
diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h
index 535606d4..10909e5 100644
--- a/net/ieee802154/6lowpan.h
+++ b/net/ieee802154/6lowpan.h
@@ -232,6 +232,38 @@
dest = 16 bit inline */
#define LOWPAN_NHC_UDP_CS_P_11 0xF3 /* source & dest = 0xF0B + 4bit inline */
+#ifdef DEBUG
+/* print data in line */
+static inline void raw_dump_inline(const char *caller, char *msg,
+ unsigned char *buf, int len)
+{
+ if (msg)
+ pr_debug("%s():%s: ", caller, msg);
+
+ print_hex_dump_debug("", DUMP_PREFIX_NONE, 16, 1, buf, len, false);
+}
+
+/* print data in a table format:
+ *
+ * addr: xx xx xx xx xx xx
+ * addr: xx xx xx xx xx xx
+ * ...
+ */
+static inline void raw_dump_table(const char *caller, char *msg,
+ unsigned char *buf, int len)
+{
+ if (msg)
+ pr_debug("%s():%s:\n", caller, msg);
+
+ print_hex_dump_debug("\t", DUMP_PREFIX_OFFSET, 16, 1, buf, len, false);
+}
+#else
+static inline void raw_dump_table(const char *caller, char *msg,
+ unsigned char *buf, int len) { }
+static inline void raw_dump_inline(const char *caller, char *msg,
+ unsigned char *buf, int len) { }
+#endif
+
static inline int lowpan_fetch_skb_u8(struct sk_buff *skb, u8 *val)
{
if (unlikely(!pskb_may_pull(skb, 1)))
diff --git a/net/ieee802154/6lowpan_iphc.c b/net/ieee802154/6lowpan_iphc.c
index 57c0b7a..88e7da5 100644
--- a/net/ieee802154/6lowpan_iphc.c
+++ b/net/ieee802154/6lowpan_iphc.c
@@ -58,32 +58,6 @@
#include "6lowpan.h"
-/* print data in line */
-static inline void raw_dump_inline(const char *caller, char *msg,
- unsigned char *buf, int len)
-{
- if (msg)
- pr_debug("%s():%s: ", caller, msg);
- print_hex_dump_debug("", DUMP_PREFIX_NONE,
- 16, 1, buf, len, false);
-}
-
-/*
- * print data in a table format:
- *
- * addr: xx xx xx xx xx xx
- * addr: xx xx xx xx xx xx
- * ...
- */
-static inline void raw_dump_table(const char *caller, char *msg,
- unsigned char *buf, int len)
-{
- if (msg)
- pr_debug("%s():%s:\n", caller, msg);
- print_hex_dump_debug("\t", DUMP_PREFIX_OFFSET,
- 16, 1, buf, len, false);
-}
-
/*
* Uncompress address function for source and
* destination address(non-multicast).
