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/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 5ad8b48..37239db 100644 (file)
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -167,33 +167,6 @@ static struct lowpan_dev *lookup_dev(struct l2cap_conn *conn)
        return dev;
 }
 
-/* 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);
-}
-
 static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev)
 {
        struct sk_buff *skb_cp;

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 53d0bd5..48b25c0 100644 (file)
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -101,37 +101,6 @@ static inline void lowpan_address_flip(u8 *src, u8 *dest)
                (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 @@ static int lowpan_header_create(struct sk_buff *skb,
        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 @@ static int process_data(struct sk_buff *skb)
        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 @@ lowpan_fragment_xmit(struct sk_buff *skb, u8 *head,
        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 @@ lowpan_fragment_xmit(struct sk_buff *skb, u8 *head,
        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 535606d..10909e5 100644 (file)
--- 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 (file)
--- 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).