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path: root/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
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Diffstat (limited to 'drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c')
-rw-r--r--drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c96
1 files changed, 92 insertions, 4 deletions
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
index 7a500ac..ce265ae 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
@@ -312,6 +312,17 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
if (skb->len < 24)
return 0;
+#if 1
+ if (ieee->hwsec_active)
+ {
+ cb_desc *tcb_desc = (cb_desc *)(skb->cb+ MAX_DEV_ADDR_SIZE);
+ tcb_desc->bHwSec = 1;
+
+ if(ieee->need_sw_enc)
+ tcb_desc->bHwSec = 0;
+ }
+#endif
+
hdr = (struct ieee80211_hdr_4addr *) skb->data;
fc = le16_to_cpu(hdr->frame_ctl);
@@ -406,6 +417,10 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
{
cb_desc *tcb_desc = (cb_desc *)(skb->cb+ MAX_DEV_ADDR_SIZE);
tcb_desc->bHwSec = 1;
+
+ if(ieee->need_sw_enc)
+ tcb_desc->bHwSec = 0;
+
}
hdr = (struct ieee80211_hdr_4addr *) skb->data;
@@ -799,7 +814,7 @@ void RxReorderIndicatePacket( struct ieee80211_device *ieee,
#endif
}
-u8 parse_subframe(struct sk_buff *skb,
+u8 parse_subframe(struct ieee80211_device* ieee,struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats,
struct ieee80211_rxb *rxb,u8* src,u8* dst)
{
@@ -839,6 +854,7 @@ u8 parse_subframe(struct sk_buff *skb,
}
skb_pull(skb, LLCOffset);
+ ieee->bIsAggregateFrame = bIsAggregateFrame;//added by amy for Leisure PS
if(!bIsAggregateFrame) {
rxb->nr_subframes = 1;
@@ -940,6 +956,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
u8 TID = 0;
u16 SeqNum = 0;
PRX_TS_RECORD pTS = NULL;
+ bool unicast_packet = false;
//bool bIsAggregateFrame = false;
//added by amy for reorder
#ifdef NOT_YET
@@ -1215,6 +1232,24 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
if (memcmp(bssid, ieee->current_network.bssid, ETH_ALEN))
goto rx_dropped;
+#ifdef ENABLE_LPS
+ if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->sta_sleep == 1)
+ && (ieee->polling)) {
+ if (WLAN_FC_MORE_DATA(fc)) {
+ /* more data bit is set, let's request a new frame from the AP */
+ ieee80211_sta_ps_send_pspoll_frame(ieee);
+ } else {
+ ieee->polling = false;
+ }
+ }
+#endif
+
+ ieee->need_sw_enc = 0;
+
+ if((!rx_stats->Decrypted)){
+ ieee->need_sw_enc = 1;
+ }
+
/* skb: hdr + (possibly fragmented, possibly encrypted) payload */
if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
@@ -1296,6 +1331,9 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
ieee->LinkDetectInfo.NumRxOkInPeriod++;
hdr = (struct ieee80211_hdr_4addr *) skb->data;
+ if((!is_multicast_ether_addr(hdr->addr1)) && (!is_broadcast_ether_addr(hdr->addr1)))
+ unicast_packet = true;
+
if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep) {
if (/*ieee->ieee802_1x &&*/
ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
@@ -1367,7 +1405,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
}
/* to parse amsdu packets */
/* qos data packets & reserved bit is 1 */
- if(parse_subframe(skb,rx_stats,rxb,src,dst) == 0) {
+ if(parse_subframe(ieee, skb,rx_stats,rxb,src,dst) == 0) {
/* only to free rxb, and not submit the packets to upper layer */
for(i =0; i < rxb->nr_subframes; i++) {
dev_kfree_skb(rxb->subframes[i]);
@@ -1377,6 +1415,32 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
goto rx_dropped;
}
+#ifdef ENABLE_LPS
+ if(unicast_packet)
+ {
+ if (type == IEEE80211_FTYPE_DATA)
+ {
+
+ if(ieee->bIsAggregateFrame)
+ ieee->LinkDetectInfo.NumRxUnicastOkInPeriod+=rxb->nr_subframes;
+ else
+ ieee->LinkDetectInfo.NumRxUnicastOkInPeriod++;
+
+ // 2009.03.03 Leave DC mode immediately when detect high traffic
+ // DbgPrint("ending Seq %d\n", Frame_SeqNum(pduOS));
+ if((ieee->state == IEEE80211_LINKED) /*&& !MgntInitAdapterInProgress(pMgntInfo)*/)
+ {
+ if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
+ (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
+ {
+ if(ieee->LeisurePSLeave)
+ ieee->LeisurePSLeave(dev);
+ }
+ }
+ }
+ }
+#endif
+
ieee->last_rx_ps_time = jiffies;
//added by amy for reorder
if(ieee->pHTInfo->bCurRxReorderEnable == false ||pTS == NULL){
@@ -2013,12 +2077,22 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
info_element->data[1] == 0x13 &&
info_element->data[2] == 0x74))
{
- printk("========>%s(): athros AP is exist\n",__FUNCTION__);
+ //printk("========>%s(): athros AP is exist\n",__FUNCTION__);
network->atheros_cap_exist = true;
}
else
network->atheros_cap_exist = false;
+ if ((info_element->len >= 3 &&
+ info_element->data[0] == 0x00 &&
+ info_element->data[1] == 0x50 &&
+ info_element->data[2] == 0x43) )
+ {
+ network->marvell_cap_exist = true;
+ //printk("========>%s(): marvel AP is exist\n",__FUNCTION__);
+ }
+
+
if(info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x40 &&
@@ -2219,7 +2293,8 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
}
if(!network->atheros_cap_exist && !network->broadcom_cap_exist &&
- !network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation)
+ !network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation &&
+ !network->marvell_cap_exist)
{
network->unknown_cap_exist = true;
}
@@ -2333,6 +2408,7 @@ static inline int ieee80211_network_init(
network->broadcom_cap_exist = false;
network->ralink_cap_exist = false;
network->atheros_cap_exist = false;
+ network->marvell_cap_exist = false;
network->cisco_cap_exist = false;
network->unknown_cap_exist = false;
#ifdef THOMAS_TURBO
@@ -2463,6 +2539,7 @@ static inline void update_network(struct ieee80211_network *dst,
dst->broadcom_cap_exist = src->broadcom_cap_exist;
dst->ralink_cap_exist = src->ralink_cap_exist;
dst->atheros_cap_exist = src->atheros_cap_exist;
+ dst->marvell_cap_exist = src->marvell_cap_exist;
dst->cisco_cap_exist = src->cisco_cap_exist;
dst->unknown_cap_exist = src->unknown_cap_exist;
memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len);
@@ -2761,12 +2838,14 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
struct ieee80211_hdr_4addr *header,
struct ieee80211_rx_stats *stats)
{
+#if 0
if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
ieee->iw_mode == IW_MODE_INFRA &&
ieee->state == IEEE80211_LINKED))
{
tasklet_schedule(&ieee->ps_task);
}
+#endif
if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
@@ -2780,6 +2859,15 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
IEEE80211_DEBUG_SCAN("Beacon\n");
ieee80211_process_probe_response(
ieee, (struct ieee80211_probe_response *)header, stats);
+
+ //printk("----------->%s()\n", __func__);
+ if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
+ ieee->iw_mode == IW_MODE_INFRA &&
+ ieee->state == IEEE80211_LINKED))
+ {
+ tasklet_schedule(&ieee->ps_task);
+ }
+
break;
case IEEE80211_STYPE_PROBE_RESP:
generated by cgit v0.10.2 at 2024-08-07 02:58:01 (GMT)