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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.c76
1 files changed, 40 insertions, 36 deletions
diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index f056204c0fdb..bca20fe5c983 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -53,7 +53,8 @@ static unsigned char *__nat25_find_pppoe_tag(struct pppoe_hdr *ph, unsigned shor
unsigned char *cur_ptr, *start_ptr;
unsigned short tagLen, tagType;
- start_ptr = cur_ptr = (unsigned char *)ph->tag;
+ 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]);
@@ -87,19 +88,19 @@ static int skb_pull_and_merge(struct sk_buff *skb, unsigned char *src, int len)
int tail_len;
unsigned long end, tail;
- if ((src+len) > skb_tail_pointer(skb) || skb->len < len)
+ if ((src + len) > skb_tail_pointer(skb) || skb->len < len)
return -1;
tail = (unsigned long)skb_tail_pointer(skb);
- end = (unsigned long)src+len;
+ end = (unsigned long)src + len;
if (tail < end)
return -1;
- tail_len = (int)(tail-end);
+ tail_len = (int)(tail - end);
if (tail_len > 0)
- memmove(src, src+len, tail_len);
+ memmove(src, src + len, tail_len);
- skb_trim(skb, skb->len-len);
+ skb_trim(skb, skb->len - len);
return 0;
}
@@ -117,7 +118,7 @@ static void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_IPV4;
- memcpy(networkAddr+7, (unsigned char *)ipAddr, 4);
+ memcpy(networkAddr + 7, (unsigned char *)ipAddr, 4);
}
static void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
@@ -126,8 +127,8 @@ static void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_PPPOE;
- memcpy(networkAddr+1, (unsigned char *)sid, 2);
- memcpy(networkAddr+3, (unsigned char *)ac_mac, 6);
+ memcpy(networkAddr + 1, (unsigned char *)sid, 2);
+ memcpy(networkAddr + 3, (unsigned char *)ac_mac, 6);
}
static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
@@ -136,17 +137,17 @@ static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_IPV6;
- memcpy(networkAddr+1, (unsigned char *)ipAddr, 16);
+ memcpy(networkAddr + 1, (unsigned char *)ipAddr, 16);
}
static unsigned char *scan_tlv(unsigned char *data, int len, unsigned char tag, unsigned char len8b)
{
while (len > 0) {
- if (*data == tag && *(data+1) == len8b && len >= len8b*8)
- return data+2;
+ if (*data == tag && *(data + 1) == len8b && len >= len8b * 8)
+ return data + 2;
- len -= (*(data+1))*8;
- data += (*(data+1))*8;
+ len -= (*(data + 1)) * 8;
+ data += (*(data + 1)) * 8;
}
return NULL;
}
@@ -158,7 +159,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
if (icmphdr->icmp6_type == NDISC_ROUTER_SOLICITATION) {
if (len >= 8) {
- mac = scan_tlv(&data[8], len-8, 1, 1);
+ mac = scan_tlv(&data[8], len - 8, 1, 1);
if (mac) {
memcpy(mac, replace_mac, 6);
return 1;
@@ -166,7 +167,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_ROUTER_ADVERTISEMENT) {
if (len >= 16) {
- mac = scan_tlv(&data[16], len-16, 1, 1);
+ mac = scan_tlv(&data[16], len - 16, 1, 1);
if (mac) {
memcpy(mac, replace_mac, 6);
return 1;
@@ -174,7 +175,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION) {
if (len >= 24) {
- mac = scan_tlv(&data[24], len-24, 1, 1);
+ mac = scan_tlv(&data[24], len - 24, 1, 1);
if (mac) {
memcpy(mac, replace_mac, 6);
return 1;
@@ -182,7 +183,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) {
if (len >= 24) {
- mac = scan_tlv(&data[24], len-24, 2, 1);
+ mac = scan_tlv(&data[24], len - 24, 2, 1);
if (mac) {
memcpy(mac, replace_mac, 6);
return 1;
@@ -190,7 +191,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_REDIRECT) {
if (len >= 40) {
- mac = scan_tlv(&data[40], len-40, 2, 1);
+ mac = scan_tlv(&data[40], len - 40, 2, 1);
if (mac) {
memcpy(mac, replace_mac, 6);
return 1;
@@ -313,6 +314,7 @@ void nat25_db_cleanup(struct adapter *priv)
for (i = 0; i < NAT25_HASH_SIZE; i++) {
struct nat25_network_db_entry *f;
+
f = priv->nethash[i];
while (f) {
struct nat25_network_db_entry *g;
@@ -339,12 +341,12 @@ void nat25_db_expire(struct adapter *priv)
for (i = 0; i < NAT25_HASH_SIZE; i++) {
struct nat25_network_db_entry *f;
- f = priv->nethash[i];
+ f = priv->nethash[i];
while (f) {
struct nat25_network_db_entry *g;
- g = f->next_hash;
+ g = f->next_hash;
if (__nat25_has_expired(f)) {
if (atomic_dec_and_test(&f->use_count)) {
if (priv->scdb_entry == f) {
@@ -396,7 +398,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
tmp = be32_to_cpu(iph->saddr);
__nat25_generate_ipv4_network_addr(networkAddr, &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, networkAddr);
return 0;
default:
return -1;
@@ -421,7 +423,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
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_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
return 0;
default:
return -1;
@@ -432,7 +434,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
/* Handle PPPoE frame */
/*---------------------------------------------------*/
struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
- unsigned short *pMagic;
+ __be16 *pMagic;
switch (method) {
case NAT25_CHECK:
@@ -458,22 +460,22 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
sizeof(tag_buf))
return -1;
- memcpy(tag->tag_data+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN,
+ memcpy(tag->tag_data + MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN,
pOldTag->tag_data, old_tag_len);
- if (skb_pull_and_merge(skb, (unsigned char *)pOldTag, TAG_HDR_LEN+old_tag_len) < 0)
+ if (skb_pull_and_merge(skb, (unsigned char *)pOldTag, TAG_HDR_LEN + old_tag_len) < 0)
return -1;
- ph->length = htons(ntohs(ph->length)-TAG_HDR_LEN-old_tag_len);
+ ph->length = htons(ntohs(ph->length) - TAG_HDR_LEN - old_tag_len);
}
tag->tag_type = PTT_RELAY_SID;
- tag->tag_len = htons(MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN+old_tag_len);
+ tag->tag_len = htons(MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN + old_tag_len);
/* insert the magic_code+client mac in relay tag */
- pMagic = (unsigned short *)tag->tag_data;
+ pMagic = (__be16 *)tag->tag_data;
*pMagic = htons(MAGIC_CODE);
- memcpy(tag->tag_data+MAGIC_CODE_LEN, skb->data+ETH_ALEN, ETH_ALEN);
+ memcpy(tag->tag_data + MAGIC_CODE_LEN, skb->data + ETH_ALEN, ETH_ALEN);
/* Add relay tag */
if (__nat25_add_pppoe_tag(skb, tag) < 0)
@@ -486,7 +488,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
return -2;
if (priv->pppoe_connection_in_progress == 0)
- memcpy(priv->pppoe_addr, skb->data+ETH_ALEN, ETH_ALEN);
+ memcpy(priv->pppoe_addr, skb->data + ETH_ALEN, ETH_ALEN);
priv->pppoe_connection_in_progress = WAIT_TIME_PPPOE;
}
@@ -496,11 +498,11 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
} else { /* session phase */
__nat25_generate_pppoe_network_addr(networkAddr, skb->data, &ph->sid);
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
if (!priv->ethBrExtInfo.addPPPoETag &&
priv->pppoe_connection_in_progress &&
- !memcmp(skb->data+ETH_ALEN, priv->pppoe_addr, ETH_ALEN))
+ !memcmp(skb->data + ETH_ALEN, priv->pppoe_addr, ETH_ALEN))
priv->pppoe_connection_in_progress = 0;
}
return 0;
@@ -548,7 +550,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
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_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
if (iph->nexthdr == IPPROTO_ICMPV6 &&
skb->len > (ETH_HLEN + sizeof(*iph) + 4)) {
@@ -557,9 +559,11 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
struct icmp6hdr *hdr = (struct icmp6hdr *)(skb->data + ETH_HLEN + sizeof(*iph));
hdr->icmp6_cksum = 0;
hdr->icmp6_cksum = csum_ipv6_magic(&iph->saddr, &iph->daddr,
- iph->payload_len,
+ be16_to_cpu(iph->payload_len),
IPPROTO_ICMPV6,
- csum_partial((__u8 *)hdr, iph->payload_len, 0));
+ csum_partial((__u8 *)hdr,
+ be16_to_cpu(iph->payload_len),
+ 0));
}
}
}
generated by cgit (git 2.34.1) at 2024-05-18 00:42:32 +0000