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Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r--net/batman-adv/translation-table.c119
1 files changed, 65 insertions, 54 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 9b35d1f59a1..48217cc6729 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -212,7 +212,7 @@ unlock:
int batadv_tt_len(int changes_num)
{
- return changes_num * sizeof(struct tt_change);
+ return changes_num * sizeof(struct batadv_tt_change);
}
static int batadv_tt_local_init(struct bat_priv *bat_priv)
@@ -384,7 +384,7 @@ static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv,
list) {
if (count < tot_changes) {
memcpy(tt_buff + batadv_tt_len(count),
- &entry->change, sizeof(struct tt_change));
+ &entry->change, sizeof(struct batadv_tt_change));
count++;
}
list_del(&entry->list);
@@ -1366,31 +1366,32 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
void *cb_data)
{
struct tt_common_entry *tt_common_entry;
- struct tt_query_packet *tt_response;
- struct tt_change *tt_change;
+ struct batadv_tt_query_packet *tt_response;
+ struct batadv_tt_change *tt_change;
struct hlist_node *node;
struct hlist_head *head;
struct sk_buff *skb = NULL;
uint16_t tt_tot, tt_count;
- ssize_t tt_query_size = sizeof(struct tt_query_packet);
+ ssize_t tt_query_size = sizeof(struct batadv_tt_query_packet);
uint32_t i;
+ size_t len;
if (tt_query_size + tt_len > primary_if->soft_iface->mtu) {
tt_len = primary_if->soft_iface->mtu - tt_query_size;
- tt_len -= tt_len % sizeof(struct tt_change);
+ tt_len -= tt_len % sizeof(struct batadv_tt_change);
}
- tt_tot = tt_len / sizeof(struct tt_change);
+ tt_tot = tt_len / sizeof(struct batadv_tt_change);
- skb = dev_alloc_skb(tt_query_size + tt_len + ETH_HLEN);
+ len = tt_query_size + tt_len;
+ skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct tt_query_packet *)skb_put(skb,
- tt_query_size + tt_len);
+ tt_response = (struct batadv_tt_query_packet *)skb_put(skb, len);
tt_response->ttvn = ttvn;
- tt_change = (struct tt_change *)(skb->data + tt_query_size);
+ tt_change = (struct batadv_tt_change *)(skb->data + tt_query_size);
tt_count = 0;
rcu_read_lock();
@@ -1430,11 +1431,12 @@ static int batadv_send_tt_request(struct bat_priv *bat_priv,
bool full_table)
{
struct sk_buff *skb = NULL;
- struct tt_query_packet *tt_request;
+ struct batadv_tt_query_packet *tt_request;
struct neigh_node *neigh_node = NULL;
struct hard_iface *primary_if;
struct tt_req_node *tt_req_node = NULL;
int ret = 1;
+ size_t tt_req_len;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
@@ -1447,14 +1449,14 @@ static int batadv_send_tt_request(struct bat_priv *bat_priv,
if (!tt_req_node)
goto out;
- skb = dev_alloc_skb(sizeof(struct tt_query_packet) + ETH_HLEN);
+ skb = dev_alloc_skb(sizeof(*tt_request) + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
- tt_request = (struct tt_query_packet *)skb_put(skb,
- sizeof(struct tt_query_packet));
+ tt_req_len = sizeof(*tt_request);
+ tt_request = (struct batadv_tt_query_packet *)skb_put(skb, tt_req_len);
tt_request->header.packet_type = BATADV_TT_QUERY;
tt_request->header.version = BATADV_COMPAT_VERSION;
@@ -1498,8 +1500,9 @@ out:
return ret;
}
-static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_request)
+static bool
+batadv_send_other_tt_response(struct bat_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_request)
{
struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL;
struct neigh_node *neigh_node = NULL;
@@ -1510,7 +1513,8 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
bool full_table;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
- struct tt_query_packet *tt_response;
+ struct batadv_tt_query_packet *tt_response;
+ size_t len;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n",
@@ -1555,28 +1559,28 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
if (!full_table) {
spin_lock_bh(&req_dst_orig_node->tt_buff_lock);
tt_len = req_dst_orig_node->tt_buff_len;
- tt_tot = tt_len / sizeof(struct tt_change);
+ tt_tot = tt_len / sizeof(struct batadv_tt_change);
- skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
- tt_len + ETH_HLEN);
+ len = sizeof(*tt_response) + tt_len;
+ skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto unlock;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct tt_query_packet *)skb_put(skb,
- sizeof(struct tt_query_packet) + tt_len);
+ tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
+ len);
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
- tt_buff = skb->data + sizeof(struct tt_query_packet);
+ tt_buff = skb->data + sizeof(*tt_response);
/* Copy the last orig_node's OGM buffer */
memcpy(tt_buff, req_dst_orig_node->tt_buff,
req_dst_orig_node->tt_buff_len);
spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
} else {
- tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size) *
- sizeof(struct tt_change);
+ tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size);
+ tt_len *= sizeof(struct batadv_tt_change);
ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
skb = batadv_tt_response_fill_table(tt_len, ttvn,
@@ -1587,7 +1591,7 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv,
if (!skb)
goto out;
- tt_response = (struct tt_query_packet *)skb->data;
+ tt_response = (struct batadv_tt_query_packet *)skb->data;
}
tt_response->header.packet_type = BATADV_TT_QUERY;
@@ -1628,8 +1632,10 @@ out:
return ret;
}
-static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_request)
+
+static bool
+batadv_send_my_tt_response(struct bat_priv *bat_priv,
+ struct batadv_tt_query_packet *tt_request)
{
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
@@ -1640,7 +1646,8 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
bool full_table;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
- struct tt_query_packet *tt_response;
+ struct batadv_tt_query_packet *tt_response;
+ size_t len;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n",
@@ -1678,26 +1685,26 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
if (!full_table) {
spin_lock_bh(&bat_priv->tt_buff_lock);
tt_len = bat_priv->tt_buff_len;
- tt_tot = tt_len / sizeof(struct tt_change);
+ tt_tot = tt_len / sizeof(struct batadv_tt_change);
- skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
- tt_len + ETH_HLEN);
+ len = sizeof(*tt_response) + tt_len;
+ skb = dev_alloc_skb(len + ETH_HLEN);
if (!skb)
goto unlock;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct tt_query_packet *)skb_put(skb,
- sizeof(struct tt_query_packet) + tt_len);
+ tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
+ len);
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
- tt_buff = skb->data + sizeof(struct tt_query_packet);
+ tt_buff = skb->data + sizeof(*tt_response);
memcpy(tt_buff, bat_priv->tt_buff,
bat_priv->tt_buff_len);
spin_unlock_bh(&bat_priv->tt_buff_lock);
} else {
- tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt) *
- sizeof(struct tt_change);
+ tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt);
+ tt_len *= sizeof(struct batadv_tt_change);
ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
skb = batadv_tt_response_fill_table(tt_len, ttvn,
@@ -1708,7 +1715,7 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv,
if (!skb)
goto out;
- tt_response = (struct tt_query_packet *)skb->data;
+ tt_response = (struct batadv_tt_query_packet *)skb->data;
}
tt_response->header.packet_type = BATADV_TT_QUERY;
@@ -1748,7 +1755,7 @@ out:
}
bool batadv_send_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_request)
+ struct batadv_tt_query_packet *tt_request)
{
if (batadv_is_my_mac(tt_request->dst)) {
/* don't answer backbone gws! */
@@ -1763,7 +1770,7 @@ bool batadv_send_tt_response(struct bat_priv *bat_priv,
static void _batadv_tt_update_changes(struct bat_priv *bat_priv,
struct orig_node *orig_node,
- struct tt_change *tt_change,
+ struct batadv_tt_change *tt_change,
uint16_t tt_num_changes, uint8_t ttvn)
{
int i;
@@ -1793,7 +1800,7 @@ static void _batadv_tt_update_changes(struct bat_priv *bat_priv,
}
static void batadv_tt_fill_gtable(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_response)
+ struct batadv_tt_query_packet *tt_response)
{
struct orig_node *orig_node = NULL;
@@ -1805,7 +1812,7 @@ static void batadv_tt_fill_gtable(struct bat_priv *bat_priv,
batadv_tt_global_del_orig(bat_priv, orig_node, "Received full table");
_batadv_tt_update_changes(bat_priv, orig_node,
- (struct tt_change *)(tt_response + 1),
+ (struct batadv_tt_change *)(tt_response + 1),
ntohs(tt_response->tt_data),
tt_response->ttvn);
@@ -1825,7 +1832,7 @@ out:
static void batadv_tt_update_changes(struct bat_priv *bat_priv,
struct orig_node *orig_node,
uint16_t tt_num_changes, uint8_t ttvn,
- struct tt_change *tt_change)
+ struct batadv_tt_change *tt_change)
{
_batadv_tt_update_changes(bat_priv, orig_node, tt_change,
tt_num_changes, ttvn);
@@ -1856,10 +1863,11 @@ out:
}
void batadv_handle_tt_response(struct bat_priv *bat_priv,
- struct tt_query_packet *tt_response)
+ struct batadv_tt_query_packet *tt_response)
{
struct tt_req_node *node, *safe;
struct orig_node *orig_node = NULL;
+ struct batadv_tt_change *tt_change;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n",
@@ -1875,13 +1883,14 @@ void batadv_handle_tt_response(struct bat_priv *bat_priv,
if (!orig_node)
goto out;
- if (tt_response->flags & BATADV_TT_FULL_TABLE)
+ if (tt_response->flags & BATADV_TT_FULL_TABLE) {
batadv_tt_fill_gtable(bat_priv, tt_response);
- else
+ } else {
+ tt_change = (struct batadv_tt_change *)(tt_response + 1);
batadv_tt_update_changes(bat_priv, orig_node,
ntohs(tt_response->tt_data),
- tt_response->ttvn,
- (struct tt_change *)(tt_response + 1));
+ tt_response->ttvn, tt_change);
+ }
/* Delete the tt_req_node from pending tt_requests list */
spin_lock_bh(&bat_priv->tt_req_list_lock);
@@ -2006,9 +2015,10 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
{
struct neigh_node *neigh_node = NULL;
struct sk_buff *skb = NULL;
- struct roam_adv_packet *roam_adv_packet;
+ struct batadv_roam_adv_packet *roam_adv_packet;
int ret = 1;
struct hard_iface *primary_if;
+ size_t len = sizeof(*roam_adv_packet);
/* before going on we have to check whether the client has
* already roamed to us too many times
@@ -2016,14 +2026,13 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
if (!batadv_tt_check_roam_count(bat_priv, client))
goto out;
- skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN);
+ skb = dev_alloc_skb(sizeof(*roam_adv_packet) + ETH_HLEN);
if (!skb)
goto out;
skb_reserve(skb, ETH_HLEN);
- roam_adv_packet = (struct roam_adv_packet *)skb_put(skb,
- sizeof(struct roam_adv_packet));
+ roam_adv_packet = (struct batadv_roam_adv_packet *)skb_put(skb, len);
roam_adv_packet->header.packet_type = BATADV_ROAM_ADV;
roam_adv_packet->header.version = BATADV_COMPAT_VERSION;
@@ -2255,6 +2264,7 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv,
{
uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
bool full_table = true;
+ struct batadv_tt_change *tt_change;
/* don't care about a backbone gateways updates. */
if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig))
@@ -2275,8 +2285,9 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv,
goto request_table;
}
+ tt_change = (struct batadv_tt_change *)tt_buff;
batadv_tt_update_changes(bat_priv, orig_node, tt_num_changes,
- ttvn, (struct tt_change *)tt_buff);
+ ttvn, tt_change);
/* Even if we received the precomputed crc with the OGM, we
* prefer to recompute it to spot any possible inconsistency
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 19:02:20 +0000