[PATCH 2/2] Staging: rtl8192u: r8192U_wx.c Various Code cleanups and code-style additions
From: Chaitanya Hazarey
Date: Wed May 28 2014 - 19:23:48 EST
Removed dead code
Deleted stray newlines
Added newlines for better code readability
Addressed the following errors:
ERROR: do not use C99 // comments
ERROR: need consistent spacing around '|' (ctx:VxW)
Signed-off-by: Chaitanya Hazarey <c@xxxxx>
---
drivers/staging/rtl8192u/r8192U_wx.c | 155 +++++++++++++++++------------------
1 file changed, 76 insertions(+), 79 deletions(-)
diff --git a/drivers/staging/rtl8192u/r8192U_wx.c b/drivers/staging/rtl8192u/r8192U_wx.c
index 675a12d..ad9bc0b 100644
--- a/drivers/staging/rtl8192u/r8192U_wx.c
+++ b/drivers/staging/rtl8192u/r8192U_wx.c
@@ -57,6 +57,7 @@ static int r8192_wx_get_rate(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
+
return ieee80211_wx_get_rate(priv->ieee80211, info, wrqu, extra);
}
@@ -100,6 +101,7 @@ static int r8192_wx_get_rts(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
+
return ieee80211_wx_get_rts(priv->ieee80211, info, wrqu, extra);
}
@@ -124,6 +126,7 @@ static int r8192_wx_get_power(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
+
return ieee80211_wx_get_power(priv->ieee80211, info, wrqu, extra);
}
@@ -180,8 +183,8 @@ static int r8192_wx_set_crcmon(struct net_device *dev,
priv->crcmon ? "accepted" : "rejected");
if (prev != priv->crcmon && priv->up) {
- //rtl8180_down(dev);
- //rtl8180_up(dev);
+ /*rtl8180_down(dev);
+ rtl8180_up(dev); */
}
up(&priv->wx_sem);
@@ -194,6 +197,7 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
+
down(&priv->wx_sem);
ret = ieee80211_wx_set_mode(priv->ieee80211, a, wrqu, b);
@@ -249,15 +253,15 @@ static int rtl8180_wx_get_range(struct net_device *dev,
/* ~5 Mb/s real (802.11b) */
range->throughput = 5 * 1000 * 1000;
- // TODO: Not used in 802.11b?
-// range->min_nwid; /* Minimal NWID we are able to set */
- // TODO: Not used in 802.11b?
-// range->max_nwid; /* Maximal NWID we are able to set */
+ /* TODO: Not used in 802.11b? */
+ /*range->min_nwid; */ /* Minimal NWID we are able to set */
+ /* TODO: Not used in 802.11b? */
+ /*range->max_nwid; */ /* Maximal NWID we are able to set */
/* Old Frequency (backward compat - moved lower ) */
-// range->old_num_channels;
-// range->old_num_frequency;
-// range->old_freq[6]; /* Filler to keep "version" at the same offset */
+ /*range->old_num_channels; */
+ /*range->old_num_frequency; */
+ /*range->old_freq[6]; */ /* Filler to keep "version" at the same offset */
if (priv->rf_set_sens != NULL)
range->sensitivity = priv->max_sens; /* signal level threshold range */
@@ -292,26 +296,26 @@ static int rtl8180_wx_get_range(struct net_device *dev,
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 16;
-// range->retry_capa; /* What retry options are supported */
-// range->retry_flags; /* How to decode max/min retry limit */
-// range->r_time_flags; /* How to decode max/min retry life */
-// range->min_retry; /* Minimal number of retries */
-// range->max_retry; /* Maximal number of retries */
-// range->min_r_time; /* Minimal retry lifetime */
-// range->max_r_time; /* Maximal retry lifetime */
+ /*range->retry_capa; */ /* What retry options are supported */
+ /*range->retry_flags; */ /* How to decode max/min retry limit */
+ /*range->r_time_flags; */ /* How to decode max/min retry life */
+ /*range->min_retry; */ /* Minimal number of retries */
+ /*range->max_retry; */ /* Maximal number of retries */
+ /*range->min_r_time; */ /* Minimal retry lifetime */
+ /*range->max_r_time; */ /* Maximal retry lifetime */
for (i = 0, val = 0; i < 14; i++) {
- // Include only legal frequencies for some countries
+ /* Include only legal frequencies for some countries */
if ((GET_DOT11D_INFO(priv->ieee80211)->channel_map)[i+1]) {
range->freq[val].i = i + 1;
range->freq[val].m = ieee80211_wlan_frequencies[i] * 100000;
range->freq[val].e = 1;
val++;
} else {
- // FIXME: do we need to set anything for channels
- // we don't use ?
+ /* FIXME: do we need to set anything for channels
+ we don't use ? */
}
if (val == IW_MAX_FREQUENCIES)
@@ -341,10 +345,8 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
struct iw_scan_req *req = (struct iw_scan_req *)b;
if (req->essid_len) {
- //printk("==**&*&*&**===>scan set ssid:%s\n", req->essid);
ieee->current_network.ssid_len = req->essid_len;
memcpy(ieee->current_network.ssid, req->essid, req->essid_len);
- //printk("=====>network ssid:%s\n", ieee->current_network.ssid);
}
}
@@ -386,6 +388,7 @@ static int r8192_wx_set_essid(struct net_device *dev,
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
+
down(&priv->wx_sem);
ret = ieee80211_wx_set_essid(priv->ieee80211, a, wrqu, b);
@@ -434,6 +437,7 @@ static int r8192_wx_get_name(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
+
return ieee80211_wx_get_name(priv->ieee80211, info, wrqu, extra);
}
@@ -480,7 +484,7 @@ static int r8192_wx_set_wap(struct net_device *dev,
int ret;
struct r8192_priv *priv = ieee80211_priv(dev);
-// struct sockaddr *temp = (struct sockaddr *)awrq;
+
down(&priv->wx_sem);
ret = ieee80211_wx_set_wap(priv->ieee80211, info, awrq, extra);
@@ -519,11 +523,9 @@ static int r8192_wx_set_enc(struct net_device *dev,
struct ieee80211_device *ieee = priv->ieee80211;
int ret;
- //u32 TargetContent;
u32 hwkey[4] = {0, 0, 0, 0};
u8 mask = 0xff;
u32 key_idx = 0;
- //u8 broadcast_addr[6] ={ 0xff,0xff,0xff,0xff,0xff,0xff};
u8 zero_addr[4][6] = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
@@ -542,7 +544,7 @@ static int r8192_wx_set_enc(struct net_device *dev,
- //sometimes, the length is zero while we do not type key value
+ /* sometimes, the length is zero while we do not type key value */
if (wrqu->encoding.length != 0) {
for (i = 0; i < 4; i++) {
@@ -584,12 +586,12 @@ static int r8192_wx_set_enc(struct net_device *dev,
EnableHWSecurityConfig8192(dev);
setKey(dev,
- key_idx, //EntryNo
- key_idx, //KeyIndex
- KEY_TYPE_WEP40, //KeyType
+ key_idx, /* EntryNo */
+ key_idx, /* KeyIndex */
+ KEY_TYPE_WEP40, /* KeyType */
zero_addr[key_idx],
- 0, //DefaultKey
- hwkey); //KeyContent
+ 0, /* DefaultKey */
+ hwkey); /* KeyContent */
}
@@ -598,12 +600,12 @@ static int r8192_wx_set_enc(struct net_device *dev,
EnableHWSecurityConfig8192(dev);
setKey(dev,
- key_idx, //EntryNo
- key_idx, //KeyIndex
- KEY_TYPE_WEP104, //KeyType
+ key_idx, /* EntryNo */
+ key_idx, /* KeyIndex */
+ KEY_TYPE_WEP104, /* KeyType */
zero_addr[key_idx],
- 0, //DefaultKey
- hwkey); //KeyContent
+ 0, /* DefaultKey */
+ hwkey); /* KeyContent */
} else {
printk("wrong type in WEP, not WEP40 and WEP104\n");
@@ -703,7 +705,6 @@ static int r8192_wx_get_retry(struct net_device *dev,
wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
wrqu->retry.value = priv->retry_data;
}
- //printk("returning %d",wrqu->retry.value);
return 0;
@@ -714,6 +715,7 @@ static int r8192_wx_get_sens(struct net_device *dev,
union iwreq_data *wrqu, char *extra)
{
struct r8192_priv *priv = ieee80211_priv(dev);
+
if (priv->rf_set_sens == NULL)
return -1; /* we have not this support for this radio */
wrqu->sens.value = priv->sens;
@@ -727,10 +729,9 @@ static int r8192_wx_set_sens(struct net_device *dev,
{
struct r8192_priv *priv = ieee80211_priv(dev);
-
short err = 0;
+
down(&priv->wx_sem);
- //DMESG("attempt to set sensivity to %ddb",wrqu->sens.value);
if (priv->rf_set_sens == NULL) {
err = -1; /* we have not this support for this radio */
goto exit;
@@ -746,7 +747,7 @@ exit:
return err;
}
-//hw security need to reorganized.
+/* hw security need to reorganized. */
static int r8192_wx_set_enc_ext(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
@@ -754,8 +755,6 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
- //printk("===>%s()\n", __func__);
-
down(&priv->wx_sem);
ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
@@ -768,10 +767,10 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
struct iw_point *encoding = &wrqu->encoding;
u8 idx = 0, alg = 0, group = 0;
if ((encoding->flags & IW_ENCODE_DISABLED) || ext->alg == IW_ENCODE_ALG_NONE)
- //none is not allowed to use hwsec WB 2008.07.01
+ /* none is not allowed to use hwsec WB 2008.07.01 */
goto end_hw_sec;
- // as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4;
+ /* as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4; */
alg = (ext->alg == IW_ENCODE_ALG_CCMP)?KEY_TYPE_CCMP:ext->alg;
idx = encoding->flags & IW_ENCODE_INDEX;
if (idx)
@@ -784,34 +783,34 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
ieee->pairwise_key_type = alg;
EnableHWSecurityConfig8192(dev);
}
- memcpy((u8 *)key, ext->key, 16); //we only get 16 bytes key.why? WB 2008.7.1
+ memcpy((u8 *)key, ext->key, 16); /* we only get 16 bytes key.why? WB 2008.7.1 */
if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
setKey(dev,
- idx,//EntryNo
- idx, //KeyIndex
- alg, //KeyType
- zero, //MacAddr
- 0, //DefaultKey
- key); //KeyContent
+ idx,/* EntryNo */
+ idx, /* KeyIndex */
+ alg, /* KeyType */
+ zero, /* MacAddr */
+ 0, /* DefaultKey */
+ key); /* KeyContent */
} else if (group) {
ieee->group_key_type = alg;
setKey(dev,
- idx,//EntryNo
- idx, //KeyIndex
- alg, //KeyType
- broadcast_addr, //MacAddr
- 0, //DefaultKey
- key); //KeyContent
- } else {//pairwise key
+ idx,/* EntryNo */
+ idx, /* KeyIndex */
+ alg, /* KeyType */
+ broadcast_addr, /* MacAddr */
+ 0, /* DefaultKey */
+ key); /* KeyContent */
+ } else {/* pairwise key */
setKey(dev,
- 4,//EntryNo
- idx, //KeyIndex
- alg, //KeyType
- (u8 *)ieee->ap_mac_addr, //MacAddr
- 0, //DefaultKey
- key); //KeyContent
+ 4,/* EntryNo */
+ idx, /* KeyIndex */
+ alg, /* KeyType */
+ (u8 *)ieee->ap_mac_addr, /* MacAddr */
+ 0, /* DefaultKey */
+ key); /* KeyContent */
}
@@ -828,8 +827,8 @@ static int r8192_wx_set_auth(struct net_device *dev,
union iwreq_data *data, char *extra)
{
int ret = 0;
- //printk("====>%s()\n", __func__);
struct r8192_priv *priv = ieee80211_priv(dev);
+
down(&priv->wx_sem);
ret = ieee80211_wx_set_auth(priv->ieee80211, info, &(data->param), extra);
up(&priv->wx_sem);
@@ -840,10 +839,9 @@ static int r8192_wx_set_mlme(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
- //printk("====>%s()\n", __func__);
-
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
+
down(&priv->wx_sem);
ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
@@ -855,13 +853,12 @@ static int r8192_wx_set_gen_ie(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *data, char *extra)
{
- //printk("====>%s(), len:%d\n", __func__, data->length);
int ret = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
+
down(&priv->wx_sem);
ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
up(&priv->wx_sem);
- //printk("<======%s(), ret:%d\n", __func__, ret);
return ret;
@@ -923,13 +920,13 @@ static iw_handler r8192_wx_handlers[] = {
r8192_wx_get_power, /* SIOCGIWPOWER */
NULL, /*---hole---*/
NULL, /*---hole---*/
- r8192_wx_set_gen_ie,//NULL, /* SIOCSIWGENIE */
+ r8192_wx_set_gen_ie,/*NULL, */ /* SIOCSIWGENIE */
NULL, /* SIOCSIWGENIE */
- r8192_wx_set_auth,//NULL, /* SIOCSIWAUTH */
- NULL,//r8192_wx_get_auth,//NULL, /* SIOCSIWAUTH */
+ r8192_wx_set_auth,/*NULL, */ /* SIOCSIWAUTH */
+ NULL,/*r8192_wx_get_auth, NULL, */ /* SIOCSIWAUTH */
r8192_wx_set_enc_ext, /* SIOCSIWENCODEEXT */
- NULL,//r8192_wx_get_enc_ext,//NULL, /* SIOCSIWENCODEEXT */
+ NULL,/*r8192_wx_get_enc_ext, NULL, */ /* SIOCSIWENCODEEXT */
NULL, /* SIOCSIWPMKSA */
NULL, /*---hole---*/
@@ -962,14 +959,14 @@ static const struct iw_priv_args r8192_private_args[] = {
static iw_handler r8192_private_handler[] = {
-// r8192_wx_set_monitor, /* SIOCIWFIRSTPRIV */
+ /*r8192_wx_set_monitor, */ /* SIOCIWFIRSTPRIV */
r8192_wx_set_crcmon, /*SIOCIWSECONDPRIV*/
-// r8192_wx_set_forceassociate,
-// r8192_wx_set_beaconinterval,
-// r8192_wx_set_monitor_type,
+ /*r8192_wx_set_forceassociate, */
+ /*r8192_wx_set_beaconinterval, */
+ /*r8192_wx_set_monitor_type, */
r8192_wx_set_scan_type,
r8192_wx_set_rawtx,
- //r8192_wx_null,
+ /*r8192_wx_null, */
r8192_wx_force_reset,
};
@@ -981,6 +978,7 @@ struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
int tmp_level = 0;
int tmp_qual = 0;
int tmp_noise = 0;
+
if (ieee->state < IEEE80211_LINKED) {
wstats->qual.qual = 0;
wstats->qual.level = 0;
@@ -992,12 +990,11 @@ struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
tmp_level = (&ieee->current_network)->stats.rssi;
tmp_qual = (&ieee->current_network)->stats.signal;
tmp_noise = (&ieee->current_network)->stats.noise;
- //printk("level:%d, qual:%d, noise:%d\n", tmp_level, tmp_qual, tmp_noise);
wstats->qual.level = tmp_level;
wstats->qual.qual = tmp_qual;
wstats->qual.noise = tmp_noise;
- wstats->qual.updated = IW_QUAL_ALL_UPDATED| IW_QUAL_DBM;
+ wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
return wstats;
}
--
1.9.1
--
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