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path: root/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
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Diffstat (limited to 'drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c')
-rw-r--r--drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c321
1 files changed, 135 insertions, 186 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
index 3a724496e748..446f15ec6396 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
@@ -39,7 +39,7 @@
#include <linux/types.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/ctype.h>
#include "ieee80211.h"
@@ -65,7 +65,7 @@ static inline void ieee80211_monitor_rx(struct ieee80211_device *ieee,
/* Called only as a tasklet (software IRQ) */
static struct ieee80211_frag_entry *
ieee80211_frag_cache_find(struct ieee80211_device *ieee, unsigned int seq,
- unsigned int frag, u8 tid,u8 *src, u8 *dst)
+ unsigned int frag, u8 tid, u8 *src, u8 *dst)
{
struct ieee80211_frag_entry *entry;
int i;
@@ -107,18 +107,18 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee,
struct ieee80211_hdr_4addrqos *hdr_4addrqos;
u8 tid;
- if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) {
- hdr_4addrqos = (struct ieee80211_hdr_4addrqos *)hdr;
- tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QOS_TID;
- tid = UP2AC(tid);
- tid ++;
+ if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS) && IEEE80211_QOS_HAS_SEQ(fc)) {
+ hdr_4addrqos = (struct ieee80211_hdr_4addrqos *)hdr;
+ tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QOS_TID;
+ tid = UP2AC(tid);
+ tid++;
} else if (IEEE80211_QOS_HAS_SEQ(fc)) {
- hdr_3addrqos = (struct ieee80211_hdr_3addrqos *)hdr;
- tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QOS_TID;
- tid = UP2AC(tid);
- tid ++;
+ hdr_3addrqos = (struct ieee80211_hdr_3addrqos *)hdr;
+ tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QOS_TID;
+ tid = UP2AC(tid);
+ tid++;
} else {
- tid = 0;
+ tid = 0;
}
if (frag == 0) {
@@ -129,7 +129,7 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee,
2 /* alignment */ +
8 /* WEP */ +
ETH_ALEN /* WDS */ +
- (IEEE80211_QOS_HAS_SEQ(fc)?2:0) /* QOS Control */);
+ (IEEE80211_QOS_HAS_SEQ(fc) ? 2 : 0) /* QOS Control */);
if (skb == NULL)
return NULL;
@@ -150,7 +150,7 @@ ieee80211_frag_cache_get(struct ieee80211_device *ieee,
} else {
/* received a fragment of a frame for which the head fragment
* should have already been received */
- entry = ieee80211_frag_cache_find(ieee, seq, frag, tid,hdr->addr2,
+ entry = ieee80211_frag_cache_find(ieee, seq, frag, tid, hdr->addr2,
hdr->addr1);
if (entry != NULL) {
entry->last_frag = frag;
@@ -174,21 +174,21 @@ static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee,
struct ieee80211_hdr_4addrqos *hdr_4addrqos;
u8 tid;
- if(((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) {
- hdr_4addrqos = (struct ieee80211_hdr_4addrqos *)hdr;
- tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QOS_TID;
- tid = UP2AC(tid);
- tid ++;
+ if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS) && IEEE80211_QOS_HAS_SEQ(fc)) {
+ hdr_4addrqos = (struct ieee80211_hdr_4addrqos *)hdr;
+ tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QOS_TID;
+ tid = UP2AC(tid);
+ tid++;
} else if (IEEE80211_QOS_HAS_SEQ(fc)) {
- hdr_3addrqos = (struct ieee80211_hdr_3addrqos *)hdr;
- tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QOS_TID;
- tid = UP2AC(tid);
- tid ++;
+ hdr_3addrqos = (struct ieee80211_hdr_3addrqos *)hdr;
+ tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QOS_TID;
+ tid = UP2AC(tid);
+ tid++;
} else {
- tid = 0;
+ tid = 0;
}
- entry = ieee80211_frag_cache_find(ieee, seq, -1, tid,hdr->addr2,
+ entry = ieee80211_frag_cache_find(ieee, seq, -1, tid, hdr->addr2,
hdr->addr1);
if (entry == NULL) {
@@ -227,7 +227,7 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb,
ieee80211_rx_mgt(ieee, (struct ieee80211_hdr_4addr *)skb->data,
rx_stats);
- if((ieee->state == IEEE80211_LINKED)&&(memcmp(hdr->addr3,ieee->current_network.bssid,ETH_ALEN))) {
+ if ((ieee->state == IEEE80211_LINKED) && (memcmp(hdr->addr3, ieee->current_network.bssid, ETH_ALEN))) {
dev_kfree_skb_any(skb);
return 0;
}
@@ -244,11 +244,9 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb,
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
-static unsigned char rfc1042_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+static unsigned char rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */
-static unsigned char bridge_tunnel_header[] =
-{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
+static unsigned char bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
/* No encapsulation header if EtherType < 0x600 (=length) */
/* Called by ieee80211_rx_frame_decrypt */
@@ -294,7 +292,7 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
/* Called only as a tasklet (software IRQ), by ieee80211_rx */
static inline int
-ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
+ieee80211_rx_frame_decrypt(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_crypt_data *crypt)
{
struct ieee80211_hdr_4addr *hdr;
@@ -310,9 +308,9 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
if (ieee->tkip_countermeasures &&
strcmp(crypt->ops->name, "TKIP") == 0) {
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
- "received packet from %pM\n",
- ieee->dev->name, hdr->addr2);
+ netdev_dbg(ieee->dev,
+ "TKIP countermeasures: dropped received packet from %pM\n",
+ ieee->dev->name, hdr->addr2);
}
return -1;
}
@@ -339,7 +337,7 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
/* Called only as a tasklet (software IRQ), by ieee80211_rx */
static inline int
-ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *skb,
+ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device *ieee, struct sk_buff *skb,
int keyidx, struct ieee80211_crypt_data *crypt)
{
struct ieee80211_hdr_4addr *hdr;
@@ -355,9 +353,9 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv);
atomic_dec(&crypt->refcnt);
if (res < 0) {
- printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
- " (SA=%pM keyidx=%d)\n",
- ieee->dev->name, hdr->addr2, keyidx);
+ netdev_dbg(ieee->dev,
+ "MSDU decryption/MIC verification failed (SA=%pM keyidx=%d)\n",
+ hdr->addr2, keyidx);
return -1;
}
@@ -381,18 +379,18 @@ static int is_duplicate_packet(struct ieee80211_device *ieee,
u8 tid;
//TO2DS and QoS
- if(((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) {
- hdr_4addrqos = (struct ieee80211_hdr_4addrqos *)header;
- tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QOS_TID;
- tid = UP2AC(tid);
- tid ++;
- } else if(IEEE80211_QOS_HAS_SEQ(fc)) { //QoS
- hdr_3addrqos = (struct ieee80211_hdr_3addrqos *)header;
- tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QOS_TID;
- tid = UP2AC(tid);
- tid ++;
+ if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS) && IEEE80211_QOS_HAS_SEQ(fc)) {
+ hdr_4addrqos = (struct ieee80211_hdr_4addrqos *)header;
+ tid = le16_to_cpu(hdr_4addrqos->qos_ctl) & IEEE80211_QOS_TID;
+ tid = UP2AC(tid);
+ tid++;
+ } else if (IEEE80211_QOS_HAS_SEQ(fc)) { //QoS
+ hdr_3addrqos = (struct ieee80211_hdr_3addrqos *)header;
+ tid = le16_to_cpu(hdr_3addrqos->qos_ctl) & IEEE80211_QOS_TID;
+ tid = UP2AC(tid);
+ tid++;
} else { // no QoS
- tid = 0;
+ tid = 0;
}
switch (ieee->iw_mode) {
case IW_MODE_ADHOC:
@@ -411,7 +409,8 @@ static int is_duplicate_packet(struct ieee80211_device *ieee,
if (p == &ieee->ibss_mac_hash[index]) {
entry = kmalloc(sizeof(struct ieee_ibss_seq), GFP_ATOMIC);
if (!entry) {
- printk(KERN_WARNING "Cannot malloc new mac entry\n");
+ netdev_warn(ieee->dev,
+ "Cannot malloc new mac entry\n");
return 0;
}
memcpy(entry->mac, mac, ETH_ALEN);
@@ -442,7 +441,7 @@ static int is_duplicate_packet(struct ieee80211_device *ieee,
// }
if ((*last_seq == seq) &&
time_after(*last_time + IEEE_PACKET_RETRY_TIME, jiffies)) {
- if (*last_frag == frag){
+ if (*last_frag == frag) {
//printk(KERN_WARNING "[1] go drop!\n");
goto drop;
@@ -493,8 +492,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
stats = &ieee->stats;
if (skb->len < 10) {
- printk(KERN_INFO "%s: SKB length < 10\n",
- dev->name);
+ netdev_info(ieee->dev, "SKB length < 10\n");
goto rx_dropped;
}
@@ -506,19 +504,12 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
frag = WLAN_GET_SEQ_FRAG(sc);
//YJ,add,080828,for keep alive
- if((fc & IEEE80211_FCTL_TODS) != IEEE80211_FCTL_TODS)
- {
- if(!memcmp(hdr->addr1,dev->dev_addr, ETH_ALEN))
- {
+ if ((fc & IEEE80211_FCTL_TODS) != IEEE80211_FCTL_TODS) {
+ if (!memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN))
ieee->NumRxUnicast++;
- }
- }
- else
- {
- if(!memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN))
- {
+ } else {
+ if (!memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN))
ieee->NumRxUnicast++;
- }
}
//YJ,add,080828,for keep alive,end
@@ -577,12 +568,12 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
case IEEE80211_FCTL_FROMDS:
memcpy(dst, hdr->addr1, ETH_ALEN);
memcpy(src, hdr->addr3, ETH_ALEN);
- memcpy(bssid,hdr->addr2,ETH_ALEN);
+ memcpy(bssid, hdr->addr2, ETH_ALEN);
break;
case IEEE80211_FCTL_TODS:
memcpy(dst, hdr->addr3, ETH_ALEN);
memcpy(src, hdr->addr2, ETH_ALEN);
- memcpy(bssid,hdr->addr1,ETH_ALEN);
+ memcpy(bssid, hdr->addr1, ETH_ALEN);
break;
case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS:
if (skb->len < IEEE80211_DATA_HDR4_LEN)
@@ -594,7 +585,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
case 0:
memcpy(dst, hdr->addr1, ETH_ALEN);
memcpy(src, hdr->addr2, ETH_ALEN);
- memcpy(bssid,hdr->addr3,ETH_ALEN);
+ memcpy(bssid, hdr->addr3, ETH_ALEN);
break;
}
@@ -607,7 +598,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
if (stype != IEEE80211_STYPE_DATA &&
stype != IEEE80211_STYPE_DATA_CFACK &&
stype != IEEE80211_STYPE_DATA_CFPOLL &&
- stype != IEEE80211_STYPE_DATA_CFACKPOLL&&
+ stype != IEEE80211_STYPE_DATA_CFACKPOLL &&
stype != IEEE80211_STYPE_QOS_DATA//add by David,2006.8.4
) {
if (stype != IEEE80211_STYPE_NULLFUNC)
@@ -618,9 +609,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
type, stype, skb->len);
goto rx_dropped;
}
- if(memcmp(bssid,ieee->current_network.bssid,ETH_ALEN)) {
+ if (memcmp(bssid, ieee->current_network.bssid, ETH_ALEN))
goto rx_dropped;
- }
ieee->NumRxDataInPeriod++;
ieee->NumRxOkTotal++;
@@ -653,9 +643,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
flen -= hdrlen;
if (frag_skb->tail + flen > frag_skb->end) {
- printk(KERN_WARNING "%s: host decrypted and "
- "reassembled frame did not fit skb\n",
- dev->name);
+ netdev_warn(ieee->dev,
+ "host decrypted and reassembled frame did not fit skb\n");
ieee80211_frag_cache_invalidate(ieee, hdr);
goto rx_dropped;
}
@@ -804,7 +793,7 @@ static inline int ieee80211_is_ofdm_rate(u8 rate)
case IEEE80211_OFDM_RATE_54MB:
return 1;
}
- return 0;
+ return 0;
}
static inline int ieee80211_SignalStrengthTranslate(
@@ -814,46 +803,27 @@ static inline int ieee80211_SignalStrengthTranslate(
int RetSS;
// Step 1. Scale mapping.
- if(CurrSS >= 71 && CurrSS <= 100)
- {
+ if (CurrSS >= 71 && CurrSS <= 100)
RetSS = 90 + ((CurrSS - 70) / 3);
- }
- else if(CurrSS >= 41 && CurrSS <= 70)
- {
+ else if (CurrSS >= 41 && CurrSS <= 70)
RetSS = 78 + ((CurrSS - 40) / 3);
- }
- else if(CurrSS >= 31 && CurrSS <= 40)
- {
+ else if (CurrSS >= 31 && CurrSS <= 40)
RetSS = 66 + (CurrSS - 30);
- }
- else if(CurrSS >= 21 && CurrSS <= 30)
- {
+ else if (CurrSS >= 21 && CurrSS <= 30)
RetSS = 54 + (CurrSS - 20);
- }
- else if(CurrSS >= 5 && CurrSS <= 20)
- {
+ else if (CurrSS >= 5 && CurrSS <= 20)
RetSS = 42 + (((CurrSS - 5) * 2) / 3);
- }
- else if(CurrSS == 4)
- {
+ else if (CurrSS == 4)
RetSS = 36;
- }
- else if(CurrSS == 3)
- {
+ else if (CurrSS == 3)
RetSS = 27;
- }
- else if(CurrSS == 2)
- {
+ else if (CurrSS == 2)
RetSS = 18;
- }
- else if(CurrSS == 1)
- {
+ else if (CurrSS == 1)
RetSS = 9;
- }
else
- {
RetSS = CurrSS;
- }
+
//RT_TRACE(COMP_DBG, DBG_LOUD, ("##### After Mapping: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS));
// Step 2. Smoothing.
@@ -867,20 +837,16 @@ static inline void ieee80211_extract_country_ie(
struct ieee80211_device *ieee,
struct ieee80211_info_element *info_element,
struct ieee80211_network *network,
- u8 * addr2
+ u8 *addr2
)
{
- if(IS_DOT11D_ENABLE(ieee))
- {
- if(info_element->len!= 0)
- {
+ if (IS_DOT11D_ENABLE(ieee)) {
+ if (info_element->len != 0) {
memcpy(network->CountryIeBuf, info_element->data, info_element->len);
network->CountryIeLen = info_element->len;
- if(!IS_COUNTRY_IE_VALID(ieee))
- {
+ if (!IS_COUNTRY_IE_VALID(ieee))
Dot11d_UpdateCountryIe(ieee, addr2, info_element->len, info_element->data);
- }
}
//
@@ -888,10 +854,8 @@ static inline void ieee80211_extract_country_ie(
// some AP (e.g. Cisco 1242) don't include country IE in their
// probe response frame.
//
- if(IS_EQUAL_CIE_SRC(ieee, addr2) )
- {
+ if (IS_EQUAL_CIE_SRC(ieee, addr2))
UPDATE_CIE_WATCHDOG(ieee);
- }
}
}
@@ -920,10 +884,10 @@ inline int ieee80211_network_init(
char *p;
#endif
struct ieee80211_info_element *info_element;
- u16 left;
+ u16 left;
u8 i;
short offset;
- u8 curRate = 0,hOpRate = 0,curRate_ex = 0;
+ u8 curRate = 0, hOpRate = 0, curRate_ex = 0;
/* Pull out fixed field data */
memcpy(network->bssid, beacon->header.addr3, ETH_ALEN);
@@ -953,10 +917,10 @@ inline int ieee80211_network_init(
} else
network->flags |= NETWORK_HAS_CCK;
- network->wpa_ie_len = 0;
- network->rsn_ie_len = 0;
+ network->wpa_ie_len = 0;
+ network->rsn_ie_len = 0;
- info_element = &beacon->info_element;
+ info_element = &beacon->info_element;
left = stats->len - ((void *)info_element - (void *)beacon);
while (left >= sizeof(struct ieee80211_info_element_hdr)) {
if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) {
@@ -964,7 +928,7 @@ inline int ieee80211_network_init(
info_element->len + sizeof(struct ieee80211_info_element),
left);
return 1;
- }
+ }
switch (info_element->id) {
case MFIE_TYPE_SSID:
@@ -977,8 +941,8 @@ inline int ieee80211_network_init(
network->ssid_len = min(info_element->len,
(u8)IW_ESSID_MAX_SIZE);
memcpy(network->ssid, info_element->data, network->ssid_len);
- if (network->ssid_len < IW_ESSID_MAX_SIZE)
- memset(network->ssid + network->ssid_len, 0,
+ if (network->ssid_len < IW_ESSID_MAX_SIZE)
+ memset(network->ssid + network->ssid_len, 0,
IW_ESSID_MAX_SIZE - network->ssid_len);
IEEE80211_DEBUG_SCAN("MFIE_TYPE_SSID: '%s' len=%d.\n",
@@ -993,7 +957,7 @@ inline int ieee80211_network_init(
for (i = 0; i < network->rates_len; i++) {
network->rates[i] = info_element->data[i];
curRate = network->rates[i] & 0x7f;
- if( hOpRate < curRate )
+ if (hOpRate < curRate)
hOpRate = curRate;
#ifdef CONFIG_IEEE80211_DEBUG
p += snprintf(p, sizeof(rates_str) - (p - rates_str), "%02X ", network->rates[i]);
@@ -1019,7 +983,7 @@ inline int ieee80211_network_init(
for (i = 0; i < network->rates_ex_len; i++) {
network->rates_ex[i] = info_element->data[i];
curRate_ex = network->rates_ex[i] & 0x7f;
- if( hOpRate < curRate_ex )
+ if (hOpRate < curRate_ex)
hOpRate = curRate_ex;
#ifdef CONFIG_IEEE80211_DEBUG
p += snprintf(p, sizeof(rates_str) - (p - rates_str), "%02X ", network->rates[i]);
@@ -1038,14 +1002,14 @@ inline int ieee80211_network_init(
break;
case MFIE_TYPE_DS_SET:
- IEEE80211_DEBUG_SCAN("MFIE_TYPE_DS_SET: %d\n",
+ IEEE80211_DEBUG_SCAN("MFIE_TYPE_DS_SET: %d\n",
info_element->data[0]);
if (stats->freq == IEEE80211_24GHZ_BAND)
network->channel = info_element->data[0];
break;
- case MFIE_TYPE_FH_SET:
- IEEE80211_DEBUG_SCAN("MFIE_TYPE_FH_SET: ignored\n");
+ case MFIE_TYPE_FH_SET:
+ IEEE80211_DEBUG_SCAN("MFIE_TYPE_FH_SET: ignored\n");
break;
case MFIE_TYPE_CF_SET:
@@ -1054,12 +1018,12 @@ inline int ieee80211_network_init(
case MFIE_TYPE_TIM:
- if(info_element->len < 4)
+ if (info_element->len < 4)
break;
network->dtim_period = info_element->data[1];
- if(ieee->state != IEEE80211_LINKED)
+ if (ieee->state != IEEE80211_LINKED)
break;
network->last_dtim_sta_time[0] = jiffies;
@@ -1067,10 +1031,10 @@ inline int ieee80211_network_init(
network->dtim_data = IEEE80211_DTIM_VALID;
- if(info_element->data[0] != 0)
+ if (info_element->data[0] != 0)
break;
- if(info_element->data[2] & 1)
+ if (info_element->data[2] & 1)
network->dtim_data |= IEEE80211_DTIM_MBCAST;
offset = (info_element->data[2] >> 1)*2;
@@ -1078,8 +1042,8 @@ inline int ieee80211_network_init(
//printk("offset1:%x aid:%x\n",offset, ieee->assoc_id);
/* add and modified for ps 2008.1.22 */
- if(ieee->assoc_id < 8*offset ||
- ieee->assoc_id > 8*(offset + info_element->len -3)) {
+ if (ieee->assoc_id < 8*offset ||
+ ieee->assoc_id > 8*(offset + info_element->len - 3)) {
break;
}
@@ -1089,9 +1053,9 @@ inline int ieee80211_network_init(
// info_element->data[3+offset] ,
// info_element->data[3+offset] & (1<<(ieee->assoc_id%8)));
- if(info_element->data[3+offset] & (1<<(ieee->assoc_id%8))) {
+ if (info_element->data[3+offset] & (1<<(ieee->assoc_id%8)))
network->dtim_data |= IEEE80211_DTIM_UCAST;
- }
+
break;
case MFIE_TYPE_IBSS_SET:
@@ -1125,9 +1089,8 @@ inline int ieee80211_network_init(
info_element->data[4] == 0x02) {
network->Turbo_Enable = 1;
}
- if (1 == stats->nic_type) {//nic 87
+ if (1 == stats->nic_type) //nic 87
break;
- }
if (info_element->len >= 5 &&
info_element->data[0] == 0x00 &&
@@ -1152,7 +1115,7 @@ inline int ieee80211_network_init(
//printk(KERN_WARNING "wmm info&param updated: %x\n", info_element->data[6]);
network->wmm_info = info_element->data[6];
//WMM Parameter Element
- memcpy(network->wmm_param, (u8 *)(info_element->data + 8),(info_element->len - 8));
+ memcpy(network->wmm_param, (u8 *)(info_element->data + 8), (info_element->len - 8));
network->QoS_Enable = 1;
}
break;
@@ -1174,14 +1137,14 @@ inline int ieee80211_network_init(
default:
IEEE80211_DEBUG_SCAN("unsupported IE %d\n",
info_element->id);
- break;
- }
+ break;
+ }
left -= sizeof(struct ieee80211_info_element_hdr) +
info_element->len;
info_element = (struct ieee80211_info_element *)
- &info_element->data[info_element->len];
- }
+ &info_element->data[info_element->len];
+ }
//by amy 080312
network->HighestOperaRate = hOpRate;
//by amy 080312
@@ -1217,7 +1180,7 @@ inline int ieee80211_network_init(
static inline int is_same_network(struct ieee80211_network *src,
struct ieee80211_network *dst,
- struct ieee80211_device * ieee)
+ struct ieee80211_device *ieee)
{
/* A network is only a duplicate if the channel, BSSID, ESSID
* and the capability field (in particular IBSS and BSS) all match.
@@ -1241,12 +1204,11 @@ inline void update_network(struct ieee80211_network *dst,
unsigned char quality = src->stats.signalstrength;
unsigned char signal = 0;
unsigned char noise = 0;
- if(dst->stats.signalstrength > 0) {
- quality = (dst->stats.signalstrength * 5 + src->stats.signalstrength + 5)/6;
- }
+ if (dst->stats.signalstrength > 0)
+ quality = (dst->stats.signalstrength * 5 + src->stats.signalstrength + 5)/6;
signal = ieee80211_TranslateToDbm(quality);
//noise = signal - src->stats.noise;
- if(dst->stats.noise > 0)
+ if (dst->stats.noise > 0)
noise = (dst->stats.noise * 5 + src->stats.noise)/6;
//if(strcmp(dst->ssid, "linksys_lzm000") == 0)
// printk("ssid:%s, quality:%d, signal:%d\n", dst->ssid, quality, signal);
@@ -1262,12 +1224,11 @@ inline void update_network(struct ieee80211_network *dst,
dst->rates_len = src->rates_len;
memcpy(dst->rates_ex, src->rates_ex, src->rates_ex_len);
dst->rates_ex_len = src->rates_ex_len;
- dst->HighestOperaRate= src->HighestOperaRate;
+ dst->HighestOperaRate = src->HighestOperaRate;
//printk("==========>in %s: src->ssid is %s,chan is %d\n",__func__,src->ssid,src->channel);
//YJ,add,080819,for hidden ap
- if(src->ssid_len > 0)
- {
+ if (src->ssid_len > 0) {
//if(src->ssid_len == 13)
// printk("=====================>>>>>>>> Dst ssid: %s Src ssid: %s\n", dst->ssid, src->ssid);
memset(dst->ssid, 0, dst->ssid_len);
@@ -1305,11 +1266,11 @@ inline void update_network(struct ieee80211_network *dst,
memcpy(dst->wmm_param, src->wmm_param, IEEE80211_AC_PRAM_LEN);
}
*/
- if(src->wmm_param[0].ac_aci_acm_aifsn|| \
- src->wmm_param[1].ac_aci_acm_aifsn|| \
- src->wmm_param[2].ac_aci_acm_aifsn|| \
+ if (src->wmm_param[0].ac_aci_acm_aifsn || \
+ src->wmm_param[1].ac_aci_acm_aifsn || \
+ src->wmm_param[2].ac_aci_acm_aifsn || \
src->wmm_param[3].ac_aci_acm_aifsn) {
- memcpy(dst->wmm_param, src->wmm_param, WME_AC_PRAM_LEN);
+ memcpy(dst->wmm_param, src->wmm_param, WME_AC_PRAM_LEN);
}
dst->QoS_Enable = src->QoS_Enable;
#else
@@ -1336,7 +1297,7 @@ inline void ieee80211_process_probe_response(
unsigned long flags;
short renew;
u8 wmm_info;
- u8 is_beacon = (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_BEACON)? 1:0; //YJ,add,080819,for hidden ap
+ u8 is_beacon = (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_BEACON) ? 1 : 0; //YJ,add,080819,for hidden ap
memset(&network, 0, sizeof(struct ieee80211_network));
@@ -1378,48 +1339,36 @@ inline void ieee80211_process_probe_response(
// (2) If there is no any country code in beacon,
// then wireless adapter should do active scan from ch1~11 and
// passive scan from ch12~14
- if(ieee->bGlobalDomain)
- {
- if (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_PROBE_RESP)
- {
+ if (ieee->bGlobalDomain) {
+ if (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_PROBE_RESP) {
// Case 1: Country code
- if(IS_COUNTRY_IE_VALID(ieee) )
- {
- if( !IsLegalChannel(ieee, network.channel) )
- {
+ if (IS_COUNTRY_IE_VALID(ieee)) {
+ if (!IsLegalChannel(ieee, network.channel)) {
printk("GetScanInfo(): For Country code, filter probe response at channel(%d).\n", network.channel);
return;
}
}
// Case 2: No any country code.
- else
- {
+ else {
// Filter over channel ch12~14
- if(network.channel > 11)
- {
+ if (network.channel > 11) {
printk("GetScanInfo(): For Global Domain, filter probe response at channel(%d).\n", network.channel);
return;
}
}
- }
- else
- {
+ } else {
// Case 1: Country code
- if(IS_COUNTRY_IE_VALID(ieee) )
- {
- if( !IsLegalChannel(ieee, network.channel) )
- {
- printk("GetScanInfo(): For Country code, filter beacon at channel(%d).\n",network.channel);
+ if (IS_COUNTRY_IE_VALID(ieee)) {
+ if (!IsLegalChannel(ieee, network.channel)) {
+ printk("GetScanInfo(): For Country code, filter beacon at channel(%d).\n", network.channel);
return;
}
}
// Case 2: No any country code.
- else
- {
+ else {
// Filter over channel ch12~14
- if(network.channel > 14)
- {
- printk("GetScanInfo(): For Global Domain, filter beacon at channel(%d).\n",network.channel);
+ if (network.channel > 14) {
+ printk("GetScanInfo(): For Global Domain, filter beacon at channel(%d).\n", network.channel);
return;
}
}
@@ -1437,12 +1386,12 @@ inline void ieee80211_process_probe_response(
spin_lock_irqsave(&ieee->lock, flags);
- if(is_same_network(&ieee->current_network, &network, ieee)) {
+ if (is_same_network(&ieee->current_network, &network, ieee)) {
wmm_info = ieee->current_network.wmm_info;
//YJ,add,080819,for hidden ap
- if(is_beacon == 0)
+ if (is_beacon == 0)
network.flags = (~NETWORK_EMPTY_ESSID & network.flags)|(NETWORK_EMPTY_ESSID & ieee->current_network.flags);
- else if(ieee->state == IEEE80211_LINKED)
+ else if (ieee->state == IEEE80211_LINKED)
ieee->NumRxBcnInPeriod++;
//YJ,add,080819,for hidden ap,end
//printk("====>network.ssid=%s cur_ssid=%s\n", network.ssid, ieee->current_network.ssid);
@@ -1504,13 +1453,13 @@ inline void ieee80211_process_probe_response(
*/
renew = !time_after(target->last_scanned + ieee->scan_age, jiffies);
//YJ,add,080819,for hidden ap
- if(is_beacon == 0)
+ if (is_beacon == 0)
network.flags = (~NETWORK_EMPTY_ESSID & network.flags)|(NETWORK_EMPTY_ESSID & target->flags);
//if(strncmp(network.ssid, "linksys-c",9) == 0)
// printk("====>2 network.ssid=%s FLAG=%d target.ssid=%s FLAG=%d\n", network.ssid, network.flags, target->ssid, target->flags);
- if(((network.flags & NETWORK_EMPTY_ESSID) == NETWORK_EMPTY_ESSID) \
+ if (((network.flags & NETWORK_EMPTY_ESSID) == NETWORK_EMPTY_ESSID) \
&& (((network.ssid_len > 0) && (strncmp(target->ssid, network.ssid, network.ssid_len)))\
- ||((ieee->current_network.ssid_len == network.ssid_len)&&(strncmp(ieee->current_network.ssid, network.ssid, network.ssid_len) == 0)&&(ieee->state == IEEE80211_NOLINK))))
+ || ((ieee->current_network.ssid_len == network.ssid_len) && (strncmp(ieee->current_network.ssid, network.ssid, network.ssid_len) == 0) && (ieee->state == IEEE80211_NOLINK))))
renew = 1;
//YJ,add,080819,for hidden ap,end
update_network(target, &network);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.