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Diffstat (limited to 'net/batman-adv/routing.c')
-rw-r--r--net/batman-adv/routing.c88
1 files changed, 46 insertions, 42 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 86d444a87bde..e15790761105 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -217,7 +217,7 @@ out:
void
batadv_bonding_save_primary(const struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
- const struct batman_ogm_packet *batman_ogm_packet)
+ const struct batadv_ogm_packet *batman_ogm_packet)
{
if (!(batman_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP))
return;
@@ -284,10 +284,10 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
- struct icmp_packet_rr *icmp_packet;
+ struct batadv_icmp_packet_rr *icmp_packet;
int ret = NET_RX_DROP;
- icmp_packet = (struct icmp_packet_rr *)skb->data;
+ icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add data to device queue */
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
@@ -313,7 +313,7 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
- icmp_packet = (struct icmp_packet_rr *)skb->data;
+ icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
@@ -339,10 +339,10 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
struct hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
- struct icmp_packet *icmp_packet;
+ struct batadv_icmp_packet *icmp_packet;
int ret = NET_RX_DROP;
- icmp_packet = (struct icmp_packet *)skb->data;
+ icmp_packet = (struct batadv_icmp_packet *)skb->data;
/* send TTL exceeded if packet is an echo request (traceroute) */
if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
@@ -368,7 +368,7 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
- icmp_packet = (struct icmp_packet *)skb->data;
+ icmp_packet = (struct batadv_icmp_packet *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
@@ -392,16 +392,16 @@ out:
int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- struct icmp_packet_rr *icmp_packet;
+ struct batadv_icmp_packet_rr *icmp_packet;
struct ethhdr *ethhdr;
struct orig_node *orig_node = NULL;
struct neigh_node *router = NULL;
- int hdr_size = sizeof(struct icmp_packet);
+ int hdr_size = sizeof(struct batadv_icmp_packet);
int ret = NET_RX_DROP;
/* we truncate all incoming icmp packets if they don't match our size */
- if (skb->len >= sizeof(struct icmp_packet_rr))
- hdr_size = sizeof(struct icmp_packet_rr);
+ if (skb->len >= sizeof(struct batadv_icmp_packet_rr))
+ hdr_size = sizeof(struct batadv_icmp_packet_rr);
/* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, hdr_size)))
@@ -421,10 +421,10 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_is_my_mac(ethhdr->h_dest))
goto out;
- icmp_packet = (struct icmp_packet_rr *)skb->data;
+ icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add record route information if not full */
- if ((hdr_size == sizeof(struct icmp_packet_rr)) &&
+ if ((hdr_size == sizeof(struct batadv_icmp_packet_rr)) &&
(icmp_packet->rr_cur < BATADV_RR_LEN)) {
memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]),
ethhdr->h_dest, ETH_ALEN);
@@ -452,7 +452,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
- icmp_packet = (struct icmp_packet_rr *)skb->data;
+ icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* decrement ttl */
icmp_packet->header.ttl--;
@@ -580,17 +580,19 @@ batadv_find_ifalter_router(struct orig_node *primary_orig,
int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- struct tt_query_packet *tt_query;
+ struct batadv_tt_query_packet *tt_query;
uint16_t tt_size;
struct ethhdr *ethhdr;
char tt_flag;
+ size_t packet_size;
/* drop packet if it has not necessary minimum size */
- if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet))))
+ if (unlikely(!pskb_may_pull(skb,
+ sizeof(struct batadv_tt_query_packet))))
goto out;
/* I could need to modify it */
- if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0)
+ if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@@ -603,7 +605,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_broadcast_ether_addr(ethhdr->h_source))
goto out;
- tt_query = (struct tt_query_packet *)skb->data;
+ tt_query = (struct batadv_tt_query_packet *)skb->data;
switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) {
case BATADV_TT_REQUEST:
@@ -635,13 +637,14 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_linearize(skb) < 0)
goto out;
/* skb_linearize() possibly changed skb->data */
- tt_query = (struct tt_query_packet *)skb->data;
+ tt_query = (struct batadv_tt_query_packet *)skb->data;
tt_size = batadv_tt_len(ntohs(tt_query->tt_data));
/* Ensure we have all the claimed data */
- if (unlikely(skb_headlen(skb) <
- sizeof(struct tt_query_packet) + tt_size))
+ packet_size = sizeof(struct batadv_tt_query_packet);
+ packet_size += tt_size;
+ if (unlikely(skb_headlen(skb) < packet_size))
goto out;
batadv_handle_tt_response(bat_priv, tt_query);
@@ -667,12 +670,13 @@ out:
int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- struct roam_adv_packet *roam_adv_packet;
+ struct batadv_roam_adv_packet *roam_adv_packet;
struct orig_node *orig_node;
struct ethhdr *ethhdr;
/* drop packet if it has not necessary minimum size */
- if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet))))
+ if (unlikely(!pskb_may_pull(skb,
+ sizeof(struct batadv_roam_adv_packet))))
goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
@@ -687,7 +691,7 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX);
- roam_adv_packet = (struct roam_adv_packet *)skb->data;
+ roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data;
if (!batadv_is_my_mac(roam_adv_packet->dst))
return batadv_route_unicast_packet(skb, recv_if);
@@ -843,12 +847,12 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL;
- struct unicast_packet *unicast_packet;
+ struct batadv_unicast_packet *unicast_packet;
struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb);
int ret = NET_RX_DROP;
struct sk_buff *new_skb;
- unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* TTL exceeded */
if (unicast_packet->header.ttl < 2) {
@@ -873,7 +877,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
if (skb_cow(skb, ETH_HLEN) < 0)
goto out;
- unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (unicast_packet->header.packet_type == BATADV_UNICAST &&
atomic_read(&bat_priv->fragmentation) &&
@@ -900,7 +904,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
}
skb = new_skb;
- unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
}
/* decrement ttl */
@@ -929,15 +933,15 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
struct orig_node *orig_node;
struct ethhdr *ethhdr;
struct hard_iface *primary_if;
- struct unicast_packet *unicast_packet;
+ struct batadv_unicast_packet *unicast_packet;
bool tt_poss_change;
int is_old_ttvn;
/* I could need to modify it */
- if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
+ if (skb_cow(skb, sizeof(struct batadv_unicast_packet)) < 0)
return 0;
- unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (batadv_is_my_mac(unicast_packet->dest)) {
tt_poss_change = bat_priv->tt_poss_change;
@@ -958,12 +962,12 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
if (is_old_ttvn || tt_poss_change) {
/* check if there is enough data before accessing it */
- if (pskb_may_pull(skb, sizeof(struct unicast_packet) +
+ if (pskb_may_pull(skb, sizeof(struct batadv_unicast_packet) +
ETH_HLEN) < 0)
return 0;
ethhdr = (struct ethhdr *)(skb->data +
- sizeof(struct unicast_packet));
+ sizeof(struct batadv_unicast_packet));
/* we don't have an updated route for this client, so we should
* not try to reroute the packet!!
@@ -1005,7 +1009,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- struct unicast_packet *unicast_packet;
+ struct batadv_unicast_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
if (batadv_check_unicast_packet(skb, hdr_size) < 0)
@@ -1014,7 +1018,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
- unicast_packet = (struct unicast_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
@@ -1030,7 +1034,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- struct unicast_frag_packet *unicast_packet;
+ struct batadv_unicast_frag_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet);
struct sk_buff *new_skb = NULL;
int ret;
@@ -1041,7 +1045,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP;
- unicast_packet = (struct unicast_frag_packet *)skb->data;
+ unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
@@ -1056,7 +1060,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
return NET_RX_SUCCESS;
batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
- sizeof(struct unicast_packet));
+ sizeof(struct batadv_unicast_packet));
return NET_RX_SUCCESS;
}
@@ -1068,7 +1072,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL;
- struct bcast_packet *bcast_packet;
+ struct batadv_bcast_packet *bcast_packet;
struct ethhdr *ethhdr;
int hdr_size = sizeof(*bcast_packet);
int ret = NET_RX_DROP;
@@ -1092,7 +1096,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (batadv_is_my_mac(ethhdr->h_source))
goto out;
- bcast_packet = (struct bcast_packet *)skb->data;
+ bcast_packet = (struct batadv_bcast_packet *)skb->data;
/* ignore broadcasts originated by myself */
if (batadv_is_my_mac(bcast_packet->orig))
@@ -1156,7 +1160,7 @@ out:
int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
- struct vis_packet *vis_packet;
+ struct batadv_vis_packet *vis_packet;
struct ethhdr *ethhdr;
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
int hdr_size = sizeof(*vis_packet);
@@ -1168,7 +1172,7 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (unlikely(!pskb_may_pull(skb, hdr_size)))
return NET_RX_DROP;
- vis_packet = (struct vis_packet *)skb->data;
+ vis_packet = (struct batadv_vis_packet *)skb->data;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* not for me */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 09:32:16 +0000