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path: root/drivers/staging/r8188eu/core/rtw_br_ext.c
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Diffstat (limited to 'drivers/staging/r8188eu/core/rtw_br_ext.c')
-rw-r--r--drivers/staging/r8188eu/core/rtw_br_ext.c126
1 files changed, 62 insertions, 64 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index 4c5f30792a46..a7c67014dde0 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -50,17 +50,17 @@
static unsigned char *__nat25_find_pppoe_tag(struct pppoe_hdr *ph, unsigned short type)
{
unsigned char *cur_ptr, *start_ptr;
- unsigned short tagLen, tagType;
+ unsigned short tag_len, tag_type;
start_ptr = (unsigned char *)ph->tag;
cur_ptr = (unsigned char *)ph->tag;
while ((cur_ptr - start_ptr) < ntohs(ph->length)) {
/* prevent un-alignment access */
- tagType = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
- tagLen = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
- if (tagType == type)
+ tag_type = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
+ tag_len = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
+ if (tag_type == type)
return cur_ptr;
- cur_ptr = cur_ptr + TAG_HDR_LEN + tagLen;
+ cur_ptr = cur_ptr + TAG_HDR_LEN + tag_len;
}
return NULL;
}
@@ -111,32 +111,32 @@ static int __nat25_has_expired(struct nat25_network_db_entry *fdb)
return 0;
}
-static void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,
- unsigned int *ipAddr)
+static void __nat25_generate_ipv4_network_addr(unsigned char *addr,
+ unsigned int *ip_addr)
{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
+ memset(addr, 0, MAX_NETWORK_ADDR_LEN);
- networkAddr[0] = NAT25_IPV4;
- memcpy(networkAddr + 7, (unsigned char *)ipAddr, 4);
+ addr[0] = NAT25_IPV4;
+ memcpy(addr + 7, (unsigned char *)ip_addr, 4);
}
-static void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
+static void __nat25_generate_pppoe_network_addr(unsigned char *addr,
unsigned char *ac_mac, __be16 *sid)
{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
+ memset(addr, 0, MAX_NETWORK_ADDR_LEN);
- networkAddr[0] = NAT25_PPPOE;
- memcpy(networkAddr + 1, (unsigned char *)sid, 2);
- memcpy(networkAddr + 3, (unsigned char *)ac_mac, 6);
+ addr[0] = NAT25_PPPOE;
+ memcpy(addr + 1, (unsigned char *)sid, 2);
+ memcpy(addr + 3, (unsigned char *)ac_mac, 6);
}
-static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
- unsigned int *ipAddr)
+static void __nat25_generate_ipv6_network_addr(unsigned char *addr,
+ unsigned int *ip_addr)
{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
+ memset(addr, 0, MAX_NETWORK_ADDR_LEN);
- networkAddr[0] = NAT25_IPV6;
- memcpy(networkAddr + 1, (unsigned char *)ipAddr, 16);
+ addr[0] = NAT25_IPV6;
+ memcpy(addr + 1, (unsigned char *)ip_addr, 16);
}
static unsigned char *scan_tlv(unsigned char *data, int len, unsigned char tag, unsigned char len8b)
@@ -200,40 +200,40 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
return 0;
}
-static int __nat25_network_hash(unsigned char *networkAddr)
+static int __nat25_network_hash(unsigned char *addr)
{
- if (networkAddr[0] == NAT25_IPV4) {
+ if (addr[0] == NAT25_IPV4) {
unsigned long x;
- x = networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
+ x = addr[7] ^ addr[8] ^ addr[9] ^ addr[10];
return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_IPX) {
+ } else if (addr[0] == NAT25_IPX) {
unsigned long x;
- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
- networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
+ x = addr[1] ^ addr[2] ^ addr[3] ^ addr[4] ^ addr[5] ^
+ addr[6] ^ addr[7] ^ addr[8] ^ addr[9] ^ addr[10];
return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_APPLE) {
+ } else if (addr[0] == NAT25_APPLE) {
unsigned long x;
- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3];
+ x = addr[1] ^ addr[2] ^ addr[3];
return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_PPPOE) {
+ } else if (addr[0] == NAT25_PPPOE) {
unsigned long x;
- x = networkAddr[0] ^ networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^ networkAddr[6] ^ networkAddr[7] ^ networkAddr[8];
+ x = addr[0] ^ addr[1] ^ addr[2] ^ addr[3] ^ addr[4] ^
+ addr[5] ^ addr[6] ^ addr[7] ^ addr[8];
return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_IPV6) {
+ } else if (addr[0] == NAT25_IPV6) {
unsigned long x;
- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
- networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10] ^
- networkAddr[11] ^ networkAddr[12] ^ networkAddr[13] ^ networkAddr[14] ^ networkAddr[15] ^
- networkAddr[16];
+ x = addr[1] ^ addr[2] ^ addr[3] ^ addr[4] ^ addr[5] ^ addr[6] ^
+ addr[7] ^ addr[8] ^ addr[9] ^ addr[10] ^ addr[11] ^ addr[12] ^
+ addr[13] ^ addr[14] ^ addr[15] ^ addr[16];
return x & (NAT25_HASH_SIZE - 1);
} else {
@@ -241,7 +241,7 @@ static int __nat25_network_hash(unsigned char *networkAddr)
int i;
for (i = 0; i < MAX_NETWORK_ADDR_LEN; i++)
- x ^= networkAddr[i];
+ x ^= addr[i];
return x & (NAT25_HASH_SIZE - 1);
}
@@ -269,17 +269,17 @@ static void __network_hash_unlink(struct nat25_network_db_entry *ent)
}
static void __nat25_db_network_insert(struct adapter *priv,
- unsigned char *macAddr, unsigned char *networkAddr)
+ unsigned char *mac_addr, unsigned char *addr)
{
struct nat25_network_db_entry *db;
int hash;
spin_lock_bh(&priv->br_ext_lock);
- hash = __nat25_network_hash(networkAddr);
+ hash = __nat25_network_hash(addr);
db = priv->nethash[hash];
while (db) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
- memcpy(db->macAddr, macAddr, ETH_ALEN);
+ if (!memcmp(db->networkAddr, addr, MAX_NETWORK_ADDR_LEN)) {
+ memcpy(db->macAddr, mac_addr, ETH_ALEN);
db->ageing_timer = jiffies;
spin_unlock_bh(&priv->br_ext_lock);
return;
@@ -291,8 +291,8 @@ static void __nat25_db_network_insert(struct adapter *priv,
spin_unlock_bh(&priv->br_ext_lock);
return;
}
- memcpy(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN);
- memcpy(db->macAddr, macAddr, ETH_ALEN);
+ memcpy(db->networkAddr, addr, MAX_NETWORK_ADDR_LEN);
+ memcpy(db->macAddr, mac_addr, ETH_ALEN);
atomic_set(&db->use_count, 1);
db->ageing_timer = jiffies;
@@ -366,7 +366,7 @@ void nat25_db_expire(struct adapter *priv)
int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
{
unsigned short protocol;
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
+ unsigned char addr[MAX_NETWORK_ADDR_LEN];
unsigned int tmp;
if (!skb)
@@ -395,9 +395,9 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
if (iph->saddr == 0)
return 0;
tmp = be32_to_cpu(iph->saddr);
- __nat25_generate_ipv4_network_addr(networkAddr, &tmp);
+ __nat25_generate_ipv4_network_addr(addr, &tmp);
/* record source IP address and , source mac address into db */
- __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, addr);
return 0;
default:
return -1;
@@ -421,8 +421,8 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
memcpy(arp_ptr, GET_MY_HWADDR(priv), ETH_ALEN);
arp_ptr += arp->ar_hln;
sender = (unsigned int *)arp_ptr;
- __nat25_generate_ipv4_network_addr(networkAddr, sender);
- __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
+ __nat25_generate_ipv4_network_addr(addr, sender);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, addr);
return 0;
default:
return -1;
@@ -495,9 +495,9 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
return -1;
}
} else { /* session phase */
- __nat25_generate_pppoe_network_addr(networkAddr, skb->data, &ph->sid);
+ __nat25_generate_pppoe_network_addr(addr, skb->data, &ph->sid);
- __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, addr);
if (!priv->ethBrExtInfo.addPPPoETag &&
priv->pppoe_connection_in_progress &&
@@ -548,8 +548,8 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
return -1;
case NAT25_INSERT:
if (memcmp(&iph->saddr, "\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0", 16)) {
- __nat25_generate_ipv6_network_addr(networkAddr, (unsigned int *)&iph->saddr);
- __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
+ __nat25_generate_ipv6_network_addr(addr, (unsigned int *)&iph->saddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, addr);
if (iph->nexthdr == IPPROTO_ICMPV6 &&
skb->len > (ETH_HLEN + sizeof(*iph) + 4)) {
@@ -606,17 +606,16 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb)
if (!priv->ethBrExtInfo.dhcp_bcst_disable) {
__be16 protocol = *((__be16 *)(skb->data + 2 * ETH_ALEN));
- if (protocol == __constant_htons(ETH_P_IP)) { /* IP */
+ if (protocol == htons(ETH_P_IP)) { /* IP */
struct iphdr *iph = (struct iphdr *)(skb->data + ETH_HLEN);
if (iph->protocol == IPPROTO_UDP) { /* UDP */
- struct udphdr *udph = (struct udphdr *)((size_t)iph + (iph->ihl << 2));
+ struct udphdr *udph = (void *)iph + (iph->ihl << 2);
- if ((udph->source == __constant_htons(CLIENT_PORT)) &&
- (udph->dest == __constant_htons(SERVER_PORT))) { /* DHCP request */
- struct dhcpMessage *dhcph =
- (struct dhcpMessage *)((size_t)udph + sizeof(struct udphdr));
- u32 cookie = be32_to_cpu((__be32)dhcph->cookie);
+ if ((udph->source == htons(CLIENT_PORT)) &&
+ (udph->dest == htons(SERVER_PORT))) { /* DHCP request */
+ struct dhcpMessage *dhcph = (void *)udph + sizeof(struct udphdr);
+ u32 cookie = be32_to_cpu(dhcph->cookie);
if (cookie == DHCP_MAGIC) { /* match magic word */
if (!(dhcph->flags & htons(BROADCAST_FLAG))) {
@@ -639,19 +638,18 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb)
}
}
-void *scdb_findEntry(struct adapter *priv, unsigned char *ipAddr)
+void *scdb_findEntry(struct adapter *priv, unsigned char *ip_addr)
{
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
+ unsigned char addr[MAX_NETWORK_ADDR_LEN];
struct nat25_network_db_entry *db;
int hash;
- __nat25_generate_ipv4_network_addr(networkAddr, (unsigned int *)ipAddr);
- hash = __nat25_network_hash(networkAddr);
+ __nat25_generate_ipv4_network_addr(addr, (unsigned int *)ip_addr);
+ hash = __nat25_network_hash(addr);
db = priv->nethash[hash];
while (db) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
+ if (!memcmp(db->networkAddr, addr, MAX_NETWORK_ADDR_LEN))
return (void *)db;
- }
db = db->next_hash;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 01:47:03 +0000