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path: root/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
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Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c')
-rw-r--r--drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c81
1 files changed, 40 insertions, 41 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index d401dbf4c7c6..9fbb53d8c6bf 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
@@ -22,7 +22,6 @@
#include <linux/compiler.h>
-//#include <linux/config.h>
#include <linux/errno.h>
#include <linux/if_arp.h>
#include <linux/in6.h>
@@ -39,7 +38,7 @@
#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"
@@ -56,7 +55,7 @@ static inline void ieee80211_monitor_rx(struct ieee80211_device *ieee,
skb_pull(skb, ieee80211_get_hdrlen(fc));
skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = __constant_htons(ETH_P_80211_RAW);
+ skb->protocol = htons(ETH_P_80211_RAW);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
}
@@ -222,8 +221,8 @@ ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb,
rx_stats->len = skb->len;
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 ((memcmp(hdr->addr1, ieee->dev->dev_addr, ETH_ALEN)))//use ADDR1 to perform address matching for Management frames
+ /* if ((ieee->state == IEEE80211_LINKED) && (memcmp(hdr->addr3, ieee->current_network.bssid, ETH_ALEN))) */
+ if ((memcmp(hdr->addr1, ieee->dev->dev_addr, ETH_ALEN)))/* use ADDR1 to perform address matching for Management frames */
{
dev_kfree_skb_any(skb);
return 0;
@@ -609,12 +608,12 @@ static void RxReorderIndicatePacket(struct ieee80211_device *ieee,
bool bMatchWinStart = false, bPktInBuf = false;
IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): Seq is %d,pTS->RxIndicateSeq is %d, WinSize is %d\n",__func__,SeqNum,pTS->RxIndicateSeq,WinSize);
/* Rx Reorder initialize condition.*/
- if(pTS->RxIndicateSeq == 0xffff) {
+ if (pTS->RxIndicateSeq == 0xffff) {
pTS->RxIndicateSeq = SeqNum;
}
/* Drop out the packet which SeqNum is smaller than WinStart */
- if(SN_LESS(SeqNum, pTS->RxIndicateSeq)) {
+ if (SN_LESS(SeqNum, pTS->RxIndicateSeq)) {
IEEE80211_DEBUG(IEEE80211_DL_REORDER,"Packet Drop! IndicateSeq: %d, NewSeq: %d\n",
pTS->RxIndicateSeq, SeqNum);
pHTInfo->RxReorderDropCounter++;
@@ -717,7 +716,7 @@ static void RxReorderIndicatePacket(struct ieee80211_device *ieee,
SN_EQUAL(pReorderEntry->SeqNum, pTS->RxIndicateSeq))
{
/* This protect buffer from overflow. */
- if(index >= REORDER_WIN_SIZE) {
+ if (index >= REORDER_WIN_SIZE) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Buffer overflow!! \n");
bPktInBuf = true;
break;
@@ -741,7 +740,7 @@ static void RxReorderIndicatePacket(struct ieee80211_device *ieee,
}
/* Handling pending timer. Set this timer to prevent from long time Rx buffering.*/
- if(index>0) {
+ if (index>0) {
// Cancel previous pending timer.
// del_timer_sync(&pTS->RxPktPendingTimer);
pTS->RxTimeoutIndicateSeq = 0xffff;
@@ -754,7 +753,7 @@ static void RxReorderIndicatePacket(struct ieee80211_device *ieee,
ieee80211_indicate_packets(ieee, prxbIndicateArray, index);
}
- if(bPktInBuf && pTS->RxTimeoutIndicateSeq==0xffff) {
+ if (bPktInBuf && pTS->RxTimeoutIndicateSeq==0xffff) {
// Set new pending timer.
IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): SET rx timeout timer\n", __func__);
pTS->RxTimeoutIndicateSeq = pTS->RxIndicateSeq;
@@ -784,16 +783,16 @@ static u8 parse_subframe(struct sk_buff *skb,
/* just for debug purpose */
SeqNum = WLAN_GET_SEQ_SEQ(le16_to_cpu(hdr->seq_ctl));
- if((IEEE80211_QOS_HAS_SEQ(fc))&&\
+ if ((IEEE80211_QOS_HAS_SEQ(fc))&&\
(((frameqos *)(skb->data + IEEE80211_3ADDR_LEN))->field.reserved)) {
bIsAggregateFrame = true;
}
- if(IEEE80211_QOS_HAS_SEQ(fc)) {
+ if (IEEE80211_QOS_HAS_SEQ(fc)) {
LLCOffset += 2;
}
- if(rx_stats->bContainHTC) {
+ if (rx_stats->bContainHTC) {
LLCOffset += sHTCLng;
}
//printk("ChkLength = %d\n", LLCOffset);
@@ -827,7 +826,7 @@ static u8 parse_subframe(struct sk_buff *skb,
//==m==>change the length order
nSubframe_Length = (nSubframe_Length>>8) + (nSubframe_Length<<8);
- if(skb->len<(ETHERNET_HEADER_SIZE + nSubframe_Length)) {
+ if (skb->len<(ETHERNET_HEADER_SIZE + nSubframe_Length)) {
printk("%s: A-MSDU parse error!! pRfd->nTotalSubframe : %d\n",\
__func__, rxb->nr_subframes);
printk("%s: A-MSDU parse error!! Subframe Length: %d\n",__func__, nSubframe_Length);
@@ -853,19 +852,19 @@ static u8 parse_subframe(struct sk_buff *skb,
memcpy(data_ptr, skb->data, nSubframe_Length);
#endif
rxb->subframes[rxb->nr_subframes++] = sub_skb;
- if(rxb->nr_subframes >= MAX_SUBFRAME_COUNT) {
+ if (rxb->nr_subframes >= MAX_SUBFRAME_COUNT) {
IEEE80211_DEBUG_RX("ParseSubframe(): Too many Subframes! Packets dropped!\n");
break;
}
skb_pull(skb, nSubframe_Length);
- if(skb->len != 0) {
+ if (skb->len != 0) {
nPadding_Length = 4 - ((nSubframe_Length + ETHERNET_HEADER_SIZE) % 4);
- if(nPadding_Length == 4) {
+ if (nPadding_Length == 4) {
nPadding_Length = 0;
}
- if(skb->len < nPadding_Length) {
+ if (skb->len < nPadding_Length) {
return 0;
}
@@ -939,12 +938,12 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
frag = WLAN_GET_SEQ_FRAG(sc);
hdrlen = ieee80211_get_hdrlen(fc);
- if(HTCCheck(ieee, skb->data))
+ if (HTCCheck(ieee, skb->data))
{
if(net_ratelimit())
printk("find HTCControl\n");
hdrlen += 4;
- rx_stats->bContainHTC = 1;
+ rx_stats->bContainHTC = true;
}
//IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
@@ -1274,13 +1273,13 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
}
*/
//added by amy for reorder
- if(ieee->current_network.qos_data.active && IsQoSDataFrame(skb->data)
+ if (ieee->current_network.qos_data.active && IsQoSDataFrame(skb->data)
&& !is_multicast_ether_addr(hdr->addr1))
{
TID = Frame_QoSTID(skb->data);
SeqNum = WLAN_GET_SEQ_SEQ(sc);
GetTs(ieee,(PTS_COMMON_INFO *) &pTS,hdr->addr2,TID,RX_DIR,true);
- if(TID !=0 && TID !=3)
+ if (TID !=0 && TID !=3)
{
ieee->bis_any_nonbepkts = true;
}
@@ -1290,7 +1289,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
payload = skb->data + hdrlen;
//ethertype = (payload[6] << 8) | payload[7];
rxb = kmalloc(sizeof(struct ieee80211_rxb), GFP_ATOMIC);
- if(rxb == NULL)
+ if (rxb == NULL)
{
IEEE80211_DEBUG(IEEE80211_DL_ERR,"%s(): kmalloc rxb error\n",__func__);
goto rx_dropped;
@@ -1336,7 +1335,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
stats->rx_packets++;
stats->rx_bytes += sub_skb->len;
- if(is_multicast_ether_addr(dst)) {
+ if (is_multicast_ether_addr(dst)) {
stats->multicast++;
}
@@ -1590,14 +1589,14 @@ static inline void ieee80211_extract_country_ie(
u8 *addr2
)
{
- if(IS_DOT11D_ENABLE(ieee))
+ if (IS_DOT11D_ENABLE(ieee))
{
- if(info_element->len!= 0)
+ 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);
}
@@ -1608,7 +1607,7 @@ 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);
}
@@ -1705,7 +1704,7 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
#ifdef CONFIG_IEEE80211_DEBUG
p += snprintf(p, sizeof(rates_str) -
(p - rates_str), "%02X ",
- network->rates[i]);
+ network->rates_ex[i]);
#endif
if (ieee80211_is_ofdm_rate
(info_element->data[i])) {
@@ -1888,7 +1887,7 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
//if(tmp_htcap_len !=0 || tmp_htinfo_len != 0)
{
- if((info_element->len >= 3 &&
+ if ((info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x05 &&
info_element->data[2] == 0xb5) ||
@@ -1940,7 +1939,7 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
else
network->cisco_cap_exist = false;
//added by amy for LEAP of cisco
- if(info_element->len > 4 &&
+ if (info_element->len > 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x40 &&
info_element->data[2] == 0x96 &&
@@ -1976,7 +1975,7 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
network->bCcxRmEnable = false;
}
}
- if(info_element->len > 4 &&
+ if (info_element->len > 4 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x40 &&
info_element->data[2] == 0x96 &&
@@ -2296,7 +2295,7 @@ static 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;
- if(src->ssid_len > 0)
+ if (src->ssid_len > 0)
{
memset(dst->ssid, 0, dst->ssid_len);
dst->ssid_len = src->ssid_len;
@@ -2352,7 +2351,7 @@ static inline void update_network(struct ieee80211_network *dst,
dst->qos_data.param_count = src->qos_data.param_count;
}
- if(dst->qos_data.supported == 1) {
+ if (dst->qos_data.supported == 1) {
dst->QoS_Enable = 1;
if(dst->ssid_len)
IEEE80211_DEBUG_QOS
@@ -2367,7 +2366,7 @@ static inline void update_network(struct ieee80211_network *dst,
/* dst->last_associate is not overwritten */
dst->wmm_info = src->wmm_info; //sure to exist in beacon or probe response frame.
- if(src->wmm_param[0].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) {
@@ -2456,7 +2455,7 @@ static inline void ieee80211_process_probe_response(
if (!IsLegalChannel(ieee, network.channel))
return;
- if(ieee->bGlobalDomain)
+ if (ieee->bGlobalDomain)
{
if (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_PROBE_RESP)
{
@@ -2472,7 +2471,7 @@ static inline void ieee80211_process_probe_response(
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;
@@ -2493,7 +2492,7 @@ static inline void ieee80211_process_probe_response(
else
{
// Filter over channel ch12~14
- if(network.channel > 14)
+ if (network.channel > 14)
{
printk("GetScanInfo(): For Global Domain, filter beacon at channel(%d).\n",network.channel);
return;
@@ -2514,9 +2513,9 @@ static 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)) {
update_network(&ieee->current_network, &network);
- if((ieee->current_network.mode == IEEE_N_24G || ieee->current_network.mode == IEEE_G)
+ if ((ieee->current_network.mode == IEEE_N_24G || ieee->current_network.mode == IEEE_G)
&& ieee->current_network.berp_info_valid){
if(ieee->current_network.erp_value& ERP_UseProtection)
ieee->current_network.buseprotection = true;
@@ -2606,7 +2605,7 @@ static inline void ieee80211_process_probe_response(
spin_unlock_irqrestore(&ieee->lock, flags);
if (is_beacon(beacon->header.frame_ctl)&&is_same_network(&ieee->current_network, &network, ieee)&&\
(ieee->state == IEEE80211_LINKED)) {
- if(ieee->handle_beacon != NULL) {
+ if (ieee->handle_beacon != NULL) {
ieee->handle_beacon(ieee->dev,beacon,&ieee->current_network);
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.