path: root/net/ipv4/fib_trie.c
diff options
authorStephen Hemmigner <>2005-08-09 20:25:39 -0700
committerDavid S. Miller <>2005-08-29 15:54:08 -0700
commitbb435b8d816582064ee0ddb1e2a6fbca67f34108 (patch)
tree48fb873d1f030a49747cc574636e80a3a9e99ac2 /net/ipv4/fib_trie.c
parent2f80b3c8262d0d646812f776db024d88d569a0c1 (diff)
[IPV4]: fib_trie: Use const
Use const where possible and get rid of EXTRACT() macro that was never used. Signed-off-by: Stephen Hemmigner <> Signed-off-by: Robert Olsson <> Signed-off-by: David S. Miller <>
Diffstat (limited to 'net/ipv4/fib_trie.c')
1 files changed, 2 insertions, 5 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 914a4c2aae42..395f64df6f9a 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -77,7 +77,6 @@
#define MAX_CHILDS 16384
-#define EXTRACT(p, n, str) ((str)<<(p)>>(32-(n)))
#define KEYLENGTH (8*sizeof(t_key))
#define MASK_PFX(k, l) (((l)==0)?0:(k >> (KEYLENGTH-l)) << (KEYLENGTH-l))
#define TKEY_GET_MASK(offset, bits) (((bits)==0)?0:((t_key)(-1) << (KEYLENGTH - bits) >> offset))
@@ -162,10 +161,8 @@ static int trie_debug = 0;
#define DBG(x...) do { if (trie_debug) printk(x); } while (0)
-static int tnode_full(struct tnode *tn, struct node *n);
static void put_child(struct trie *t, struct tnode *tn, int i, struct node *n);
static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n, int wasfull);
-static int tnode_child_length(struct tnode *tn);
static struct node *resize(struct trie *t, struct tnode *tn);
static struct tnode *inflate(struct trie *t, struct tnode *tn);
static struct tnode *halve(struct trie *t, struct tnode *tn);
@@ -188,7 +185,7 @@ static inline struct node *tnode_get_child(struct tnode *tn, int i)
return tn->child[i];
-static inline int tnode_child_length(struct tnode *tn)
+static inline int tnode_child_length(const struct tnode *tn)
return 1 << tn->bits;
@@ -400,7 +397,7 @@ static void tnode_free(struct tnode *tn)
* and no bits are skipped. See discussion in dyntree paper p. 6
-static inline int tnode_full(struct tnode *tn, struct node *n)
+static inline int tnode_full(const struct tnode *tn, const struct node *n)
if (n == NULL || IS_LEAF(n))
return 0;