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path: root/drivers/staging/batman-adv/translation-table.c
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Diffstat (limited to 'drivers/staging/batman-adv/translation-table.c')
-rw-r--r--drivers/staging/batman-adv/translation-table.c94
1 files changed, 49 insertions, 45 deletions
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index c2190e177c56..d56f6654de0d 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -21,11 +21,9 @@
#include "main.h"
#include "translation-table.h"
-#include "log.h"
#include "soft-interface.h"
#include "types.h"
#include "hash.h"
-#include "compat.h"
struct hashtable_t *hna_local_hash;
static struct hashtable_t *hna_global_hash;
@@ -62,7 +60,6 @@ void hna_local_add(uint8_t *addr)
struct hna_local_entry *hna_local_entry;
struct hna_global_entry *hna_global_entry;
struct hashtable_t *swaphash;
- char hna_str[ETH_STR_LEN];
unsigned long flags;
spin_lock_irqsave(&hna_local_hash_lock, flags);
@@ -75,19 +72,17 @@ void hna_local_add(uint8_t *addr)
return;
}
- addr_to_string(hna_str, addr);
-
/* only announce as many hosts as possible in the batman-packet and
space in batman_packet->num_hna That also should give a limit to
MAC-flooding. */
if ((num_hna + 1 > (ETH_DATA_LEN - BAT_PACKET_LEN) / ETH_ALEN) ||
(num_hna + 1 > 255)) {
- debug_log(LOG_TYPE_ROUTES, "Can't add new local hna entry (%s): number of local hna entries exceeds packet size \n", hna_str);
+ bat_dbg(DBG_ROUTES, "Can't add new local hna entry (%pM): number of local hna entries exceeds packet size \n", addr);
return;
}
- debug_log(LOG_TYPE_ROUTES, "Creating new local hna entry: %s \n",
- hna_str);
+ bat_dbg(DBG_ROUTES, "Creating new local hna entry: %pM \n",
+ addr);
hna_local_entry = kmalloc(sizeof(struct hna_local_entry), GFP_ATOMIC);
if (!hna_local_entry)
@@ -113,7 +108,7 @@ void hna_local_add(uint8_t *addr)
hna_local_hash->size * 2);
if (swaphash == NULL)
- debug_log(LOG_TYPE_CRIT, "Couldn't resize local hna hash table \n");
+ printk(KERN_ERR "batman-adv:Couldn't resize local hna hash table \n");
else
hna_local_hash = swaphash;
}
@@ -135,18 +130,18 @@ void hna_local_add(uint8_t *addr)
int hna_local_fill_buffer(unsigned char *buff, int buff_len)
{
struct hna_local_entry *hna_local_entry;
- struct hash_it_t *hashit = NULL;
+ HASHIT(hashit);
int i = 0;
unsigned long flags;
spin_lock_irqsave(&hna_local_hash_lock, flags);
- while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
+ while (hash_iterate(hna_local_hash, &hashit)) {
if (buff_len < (i + 1) * ETH_ALEN)
break;
- hna_local_entry = hashit->bucket->data;
+ hna_local_entry = hashit.bucket->data;
memcpy(buff + (i * ETH_ALEN), hna_local_entry->addr, ETH_ALEN);
i++;
@@ -164,18 +159,18 @@ int hna_local_fill_buffer(unsigned char *buff, int buff_len)
int hna_local_fill_buffer_text(unsigned char *buff, int buff_len)
{
struct hna_local_entry *hna_local_entry;
- struct hash_it_t *hashit = NULL;
+ HASHIT(hashit);
int bytes_written = 0;
unsigned long flags;
spin_lock_irqsave(&hna_local_hash_lock, flags);
- while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
+ while (hash_iterate(hna_local_hash, &hashit)) {
if (buff_len < bytes_written + ETH_STR_LEN + 4)
break;
- hna_local_entry = hashit->bucket->data;
+ hna_local_entry = hashit.bucket->data;
bytes_written += snprintf(buff + bytes_written, ETH_STR_LEN + 4,
" * %02x:%02x:%02x:%02x:%02x:%02x\n",
@@ -202,27 +197,39 @@ static void _hna_local_del(void *data)
static void hna_local_del(struct hna_local_entry *hna_local_entry,
char *message)
{
- char hna_str[ETH_STR_LEN];
-
- addr_to_string(hna_str, hna_local_entry->addr);
- debug_log(LOG_TYPE_ROUTES, "Deleting local hna entry (%s): %s \n",
- hna_str, message);
+ bat_dbg(DBG_ROUTES, "Deleting local hna entry (%pM): %s \n",
+ hna_local_entry->addr, message);
hash_remove(hna_local_hash, hna_local_entry->addr);
_hna_local_del(hna_local_entry);
}
+void hna_local_remove(uint8_t *addr, char *message)
+{
+ struct hna_local_entry *hna_local_entry;
+ unsigned long flags;
+
+ spin_lock_irqsave(&hna_local_hash_lock, flags);
+
+ hna_local_entry = (struct hna_local_entry *)
+ hash_find(hna_local_hash, addr);
+ if (hna_local_entry)
+ hna_local_del(hna_local_entry, message);
+
+ spin_unlock_irqrestore(&hna_local_hash_lock, flags);
+}
+
void hna_local_purge(struct work_struct *work)
{
struct hna_local_entry *hna_local_entry;
- struct hash_it_t *hashit = NULL;
+ HASHIT(hashit);
unsigned long flags;
unsigned long timeout;
spin_lock_irqsave(&hna_local_hash_lock, flags);
- while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
- hna_local_entry = hashit->bucket->data;
+ while (hash_iterate(hna_local_hash, &hashit)) {
+ hna_local_entry = hashit.bucket->data;
timeout = hna_local_entry->last_seen +
((LOCAL_HNA_TIMEOUT / 1000) * HZ);
@@ -264,13 +271,10 @@ void hna_global_add_orig(struct orig_node *orig_node,
struct hna_global_entry *hna_global_entry;
struct hna_local_entry *hna_local_entry;
struct hashtable_t *swaphash;
- char hna_str[ETH_STR_LEN], orig_str[ETH_STR_LEN];
int hna_buff_count = 0;
unsigned long flags;
unsigned char *hna_ptr;
- addr_to_string(orig_str, orig_node->orig);
-
while ((hna_buff_count + 1) * ETH_ALEN <= hna_buff_len) {
spin_lock_irqsave(&hna_global_hash_lock, flags);
@@ -290,8 +294,9 @@ void hna_global_add_orig(struct orig_node *orig_node,
memcpy(hna_global_entry->addr, hna_ptr, ETH_ALEN);
- addr_to_string(hna_str, hna_global_entry->addr);
- debug_log(LOG_TYPE_ROUTES, "Creating new global hna entry: %s (via %s)\n", hna_str, orig_str);
+ bat_dbg(DBG_ROUTES,
+ "Creating new global hna entry: %pM (via %pM)\n",
+ hna_global_entry->addr, orig_node->orig);
spin_lock_irqsave(&hna_global_hash_lock, flags);
hash_add(hna_global_hash, hna_global_entry);
@@ -316,14 +321,16 @@ void hna_global_add_orig(struct orig_node *orig_node,
hna_buff_count++;
}
- orig_node->hna_buff_len = hna_buff_len;
+ /* initialize, and overwrite if malloc succeeds */
+ orig_node->hna_buff = NULL;
+ orig_node->hna_buff_len = 0;
- if (orig_node->hna_buff_len > 0) {
- orig_node->hna_buff = kmalloc(orig_node->hna_buff_len,
- GFP_ATOMIC);
- memcpy(orig_node->hna_buff, hna_buff, orig_node->hna_buff_len);
- } else {
- orig_node->hna_buff = NULL;
+ if (hna_buff_len > 0) {
+ orig_node->hna_buff = kmalloc(hna_buff_len, GFP_ATOMIC);
+ if (orig_node->hna_buff) {
+ memcpy(orig_node->hna_buff, hna_buff, hna_buff_len);
+ orig_node->hna_buff_len = hna_buff_len;
+ }
}
spin_lock_irqsave(&hna_global_hash_lock, flags);
@@ -333,7 +340,7 @@ void hna_global_add_orig(struct orig_node *orig_node,
hna_global_hash->size * 2);
if (swaphash == NULL)
- debug_log(LOG_TYPE_CRIT, "Couldn't resize global hna hash table \n");
+ printk(KERN_ERR "batman-adv:Couldn't resize global hna hash table \n");
else
hna_global_hash = swaphash;
}
@@ -344,17 +351,17 @@ void hna_global_add_orig(struct orig_node *orig_node,
int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
{
struct hna_global_entry *hna_global_entry;
- struct hash_it_t *hashit = NULL;
+ HASHIT(hashit);
int bytes_written = 0;
unsigned long flags;
spin_lock_irqsave(&hna_global_hash_lock, flags);
- while (NULL != (hashit = hash_iterate(hna_global_hash, hashit))) {
+ while (hash_iterate(hna_global_hash, &hashit)) {
if (buff_len < bytes_written + (2 * ETH_STR_LEN) + 10)
break;
- hna_global_entry = hashit->bucket->data;
+ hna_global_entry = hashit.bucket->data;
bytes_written += snprintf(buff + bytes_written,
(2 * ETH_STR_LEN) + 10,
@@ -381,12 +388,9 @@ int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
void _hna_global_del_orig(struct hna_global_entry *hna_global_entry,
char *message)
{
- char hna_str[ETH_STR_LEN], orig_str[ETH_STR_LEN];
-
- addr_to_string(orig_str, hna_global_entry->orig_node->orig);
- addr_to_string(hna_str, hna_global_entry->addr);
-
- debug_log(LOG_TYPE_ROUTES, "Deleting global hna entry %s (via %s): %s \n", hna_str, orig_str, message);
+ bat_dbg(DBG_ROUTES, "Deleting global hna entry %pM (via %pM): %s \n",
+ hna_global_entry->addr, hna_global_entry->orig_node->orig,
+ message);
hash_remove(hna_global_hash, hna_global_entry->addr);
kfree(hna_global_entry);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-30 23:10:46 +0000