summaryrefslogtreecommitdiff
path: root/drivers/staging/rtl8192e/rtllib_rx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_rx.c')
-rw-r--r--drivers/staging/rtl8192e/rtllib_rx.c80
1 files changed, 31 insertions, 49 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 669e74a67190..b649d02dc5c8 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -154,7 +154,6 @@ rtllib_frag_cache_get(struct rtllib_device *ieee,
return skb;
}
-
/* Called only as a tasklet (software IRQ) */
static int rtllib_frag_cache_invalidate(struct rtllib_device *ieee,
struct rtllib_hdr_4addr *hdr)
@@ -232,10 +231,12 @@ rtllib_rx_frame_mgmt(struct rtllib_device *ieee, struct sk_buff *skb,
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
};
+
/* No encapsulation header if EtherType < 0x600 (=length) */
/* Called by rtllib_rx_frame_decrypt */
@@ -318,7 +319,6 @@ rtllib_rx_frame_decrypt(struct rtllib_device *ieee, struct sk_buff *skb,
return res;
}
-
/* Called only as a tasklet (software IRQ), by rtllib_rx */
static inline int
rtllib_rx_frame_decrypt_msdu(struct rtllib_device *ieee, struct sk_buff *skb,
@@ -355,9 +355,8 @@ rtllib_rx_frame_decrypt_msdu(struct rtllib_device *ieee, struct sk_buff *skb,
return 0;
}
-
/* this function is stolen from ipw2200 driver*/
-#define IEEE_PACKET_RETRY_TIME (5*HZ)
+#define IEEE_PACKET_RETRY_TIME (5 * HZ)
static int is_duplicate_packet(struct rtllib_device *ieee,
struct rtllib_hdr_4addr *header)
{
@@ -887,7 +886,6 @@ static u8 parse_subframe(struct rtllib_device *ieee, struct sk_buff *skb,
return rxb->nr_subframes;
}
-
static size_t rtllib_rx_get_hdrlen(struct rtllib_device *ieee,
struct sk_buff *skb,
struct rtllib_rx_stats *rx_stats)
@@ -938,7 +936,7 @@ static int rtllib_rx_check_duplicate(struct rtllib_device *ieee,
if (GetTs(ieee, (struct ts_common_info **)&pRxTS, hdr->addr2,
(u8)Frame_QoSTID((u8 *)(skb->data)), RX_DIR, true)) {
- if ((fc & (1<<11)) && (frag == pRxTS->rx_last_frag_num) &&
+ if ((fc & (1 << 11)) && (frag == pRxTS->rx_last_frag_num) &&
(WLAN_GET_SEQ_SEQ(sc) == pRxTS->rx_last_seq_num))
return -1;
pRxTS->rx_last_frag_num = frag;
@@ -1169,7 +1167,6 @@ static int rtllib_rx_decrypt(struct rtllib_device *ieee, struct sk_buff *skb,
if (crypt && !(fc & RTLLIB_FCTL_WEP) && !ieee->open_wep) {
if (/*ieee->ieee802_1x &&*/
rtllib_is_eapol_frame(ieee, skb, hdrlen)) {
-
/* pass unencrypted EAPOL frames even if encryption is
* configured
*/
@@ -1209,13 +1206,11 @@ static void rtllib_rx_check_leave_lps(struct rtllib_device *ieee, u8 unicast,
u8 nr_subframes)
{
if (unicast) {
-
if (ieee->state == RTLLIB_LINKED) {
if (((ieee->link_detect_info.NumRxUnicastOkInPeriod +
ieee->link_detect_info.NumTxOkInPeriod) > 8) ||
(ieee->link_detect_info.NumRxUnicastOkInPeriod > 2)) {
- if (ieee->LeisurePSLeave)
- ieee->LeisurePSLeave(ieee->dev);
+ ieee->LeisurePSLeave(ieee->dev);
}
}
}
@@ -1555,7 +1550,6 @@ static u8 qos_oui[QOS_OUI_LEN] = { 0x00, 0x50, 0xF2 };
static int rtllib_verify_qos_info(struct rtllib_qos_information_element
*info_element, int sub_type)
{
-
if (info_element->elementID != QOS_ELEMENT_ID)
return -1;
if (info_element->qui_subtype != sub_type)
@@ -1570,7 +1564,6 @@ static int rtllib_verify_qos_info(struct rtllib_qos_information_element
return 0;
}
-
/* Parse a QoS parameter element */
static int rtllib_read_qos_param_element(
struct rtllib_qos_parameter_info *element_param,
@@ -1600,7 +1593,6 @@ static int rtllib_read_qos_info_element(
return rtllib_verify_qos_info(element_info, QOS_OUI_INFO_SUB_TYPE);
}
-
/* Write QoS parameters from the ac parameters. */
static int rtllib_qos_convert_ac_to_parameters(struct rtllib_qos_parameter_info *param_elm,
struct rtllib_qos_data *qos_data)
@@ -1624,23 +1616,23 @@ static int rtllib_qos_convert_ac_to_parameters(struct rtllib_qos_parameter_info
case 1:
/* BIT(0) | BIT(3) */
if (acm)
- qos_data->wmm_acm |= (0x01<<0)|(0x01<<3);
+ qos_data->wmm_acm |= (0x01 << 0) | (0x01 << 3);
break;
case 2:
/* BIT(4) | BIT(5) */
if (acm)
- qos_data->wmm_acm |= (0x01<<4)|(0x01<<5);
+ qos_data->wmm_acm |= (0x01 << 4) | (0x01 << 5);
break;
case 3:
/* BIT(6) | BIT(7) */
if (acm)
- qos_data->wmm_acm |= (0x01<<6)|(0x01<<7);
+ qos_data->wmm_acm |= (0x01 << 6) | (0x01 << 7);
break;
case 0:
default:
/* BIT(1) | BIT(2) */
if (acm)
- qos_data->wmm_acm |= (0x01<<1)|(0x01<<2);
+ qos_data->wmm_acm |= (0x01 << 1) | (0x01 << 2);
break;
}
@@ -1844,7 +1836,6 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
}
}
-
if (*tmp_htinfo_len == 0) {
if (info_element->len >= 4 &&
info_element->data[0] == 0x00 &&
@@ -1933,7 +1924,6 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
info_element->data[2] == 0x96)
network->cisco_cap_exist = true;
-
if (info_element->len >= 3 &&
info_element->data[0] == 0x00 &&
info_element->data[1] == 0x0a &&
@@ -1986,7 +1976,7 @@ static void rtllib_parse_mife_generic(struct rtllib_device *ieee,
info_element->data[3] == 0x04) {
netdev_dbg(ieee->dev, "MFIE_TYPE_WZC: %d bytes\n",
info_element->len);
- network->wzc_ie_len = min(info_element->len+2, MAX_WZC_IE_LEN);
+ network->wzc_ie_len = min(info_element->len + 2, MAX_WZC_IE_LEN);
memcpy(network->wzc_ie, info_element, network->wzc_ie_len);
}
}
@@ -2143,15 +2133,13 @@ int rtllib_parse_info_param(struct rtllib_device *ieee,
network->dtim_data = RTLLIB_DTIM_VALID;
-
if (info_element->data[2] & 1)
network->dtim_data |= RTLLIB_DTIM_MBCAST;
- offset = (info_element->data[2] >> 1)*2;
-
+ offset = (info_element->data[2] >> 1) * 2;
- 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;
offset = (ieee->assoc_id / 8) - offset;
@@ -2204,7 +2192,6 @@ int rtllib_parse_info_param(struct rtllib_device *ieee,
&tmp_htcap_len);
break;
-
case MFIE_TYPE_HT_INFO:
netdev_dbg(ieee->dev, "MFIE_TYPE_HT_INFO: %d bytes\n",
info_element->len);
@@ -2367,7 +2354,7 @@ static inline int rtllib_network_init(
if (rtllib_is_empty_essid(network->ssid, network->ssid_len))
network->flags |= NETWORK_EMPTY_ESSID;
stats->signal = 30 + (stats->SignalStrength * 70) / 100;
- stats->noise = rtllib_translate_todbm((u8)(100-stats->signal)) - 25;
+ stats->noise = rtllib_translate_todbm((u8)(100 - stats->signal)) - 25;
memcpy(&network->stats, stats, sizeof(network->stats));
@@ -2393,7 +2380,6 @@ static inline int is_same_network(struct rtllib_network *src,
(dst->capability & WLAN_CAPABILITY_ESS)));
}
-
static inline void update_network(struct rtllib_device *ieee,
struct rtllib_network *dst,
struct rtllib_network *src)
@@ -2556,22 +2542,22 @@ static inline void rtllib_process_probe_response(
"'%s' ( %pM ): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
escape_essid(info_element->data, info_element->len),
beacon->header.addr3,
- (le16_to_cpu(beacon->capability) & (1<<0xf)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0xe)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0xd)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0xc)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0xb)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0xa)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x9)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x8)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x7)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x6)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x5)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x4)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x3)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x2)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x1)) ? '1' : '0',
- (le16_to_cpu(beacon->capability) & (1<<0x0)) ? '1' : '0');
+ (le16_to_cpu(beacon->capability) & (1 << 0xf)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0xe)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0xd)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0xc)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0xb)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0xa)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x9)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x8)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x7)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x6)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x5)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x4)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x3)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x2)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x1)) ? '1' : '0',
+ (le16_to_cpu(beacon->capability) & (1 << 0x0)) ? '1' : '0');
if (rtllib_network_init(ieee, beacon, network, stats)) {
netdev_dbg(ieee->dev, "Dropped '%s' ( %pM) via %s.\n",
@@ -2581,7 +2567,6 @@ static inline void rtllib_process_probe_response(
goto free_network;
}
-
if (!rtllib_legal_channel(ieee, network->channel))
goto free_network;
@@ -2689,9 +2674,7 @@ static inline void rtllib_process_probe_response(
is_same_network(&ieee->current_network, network,
(network->ssid_len ? 1 : 0)) &&
(ieee->state == RTLLIB_LINKED)) {
- if (ieee->handle_beacon != NULL)
- ieee->handle_beacon(ieee->dev, beacon,
- &ieee->current_network);
+ ieee->handle_beacon(ieee->dev, beacon, &ieee->current_network);
}
free_network:
kfree(network);
@@ -2710,7 +2693,6 @@ static void rtllib_rx_mgt(struct rtllib_device *ieee,
ieee->last_rx_ps_time = jiffies;
switch (WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl))) {
-
case RTLLIB_STYPE_BEACON:
netdev_dbg(ieee->dev, "received BEACON (%d)\n",
WLAN_FC_GET_STYPE(le16_to_cpu(header->frame_ctl)));