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path: root/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
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Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_wlan_util.c')
-rw-r--r--drivers/staging/rtl8188eu/core/rtw_wlan_util.c129
1 files changed, 45 insertions, 84 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
index a3ffc691be9a..2b371757cbfe 100644
--- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
+++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c
@@ -88,35 +88,25 @@ int cckratesonly_included(unsigned char *rate, int ratelen)
unsigned char networktype_to_raid(unsigned char network_type)
{
- unsigned char raid;
-
switch (network_type) {
case WIRELESS_11B:
- raid = RATR_INX_WIRELESS_B;
- break;
+ return RATR_INX_WIRELESS_B;
case WIRELESS_11A:
case WIRELESS_11G:
- raid = RATR_INX_WIRELESS_G;
- break;
+ return RATR_INX_WIRELESS_G;
case WIRELESS_11BG:
- raid = RATR_INX_WIRELESS_GB;
- break;
+ return RATR_INX_WIRELESS_GB;
case WIRELESS_11_24N:
case WIRELESS_11_5N:
- raid = RATR_INX_WIRELESS_N;
- break;
+ return RATR_INX_WIRELESS_N;
case WIRELESS_11A_5N:
case WIRELESS_11G_24N:
- raid = RATR_INX_WIRELESS_NG;
- break;
+ return RATR_INX_WIRELESS_NG;
case WIRELESS_11BG_24N:
- raid = RATR_INX_WIRELESS_NGB;
- break;
+ return RATR_INX_WIRELESS_NGB;
default:
- raid = RATR_INX_WIRELESS_GB;
- break;
+ return RATR_INX_WIRELESS_GB;
}
- return raid;
}
u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
@@ -146,47 +136,34 @@ u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen
static unsigned char ratetbl_val_2wifirate(unsigned char rate)
{
- unsigned char val = 0;
-
switch (rate & 0x7f) {
case 0:
- val = IEEE80211_CCK_RATE_1MB;
- break;
+ return IEEE80211_CCK_RATE_1MB;
case 1:
- val = IEEE80211_CCK_RATE_2MB;
- break;
+ return IEEE80211_CCK_RATE_2MB;
case 2:
- val = IEEE80211_CCK_RATE_5MB;
- break;
+ return IEEE80211_CCK_RATE_5MB;
case 3:
- val = IEEE80211_CCK_RATE_11MB;
- break;
+ return IEEE80211_CCK_RATE_11MB;
case 4:
- val = IEEE80211_OFDM_RATE_6MB;
- break;
+ return IEEE80211_OFDM_RATE_6MB;
case 5:
- val = IEEE80211_OFDM_RATE_9MB;
- break;
+ return IEEE80211_OFDM_RATE_9MB;
case 6:
- val = IEEE80211_OFDM_RATE_12MB;
- break;
+ return IEEE80211_OFDM_RATE_12MB;
case 7:
- val = IEEE80211_OFDM_RATE_18MB;
- break;
+ return IEEE80211_OFDM_RATE_18MB;
case 8:
- val = IEEE80211_OFDM_RATE_24MB;
- break;
+ return IEEE80211_OFDM_RATE_24MB;
case 9:
- val = IEEE80211_OFDM_RATE_36MB;
- break;
+ return IEEE80211_OFDM_RATE_36MB;
case 10:
- val = IEEE80211_OFDM_RATE_48MB;
- break;
+ return IEEE80211_OFDM_RATE_48MB;
case 11:
- val = IEEE80211_OFDM_RATE_54MB;
- break;
+ return IEEE80211_OFDM_RATE_54MB;
+ default:
+ return 0;
}
- return val;
}
static int is_basicrate(struct adapter *padapter, unsigned char rate)
@@ -485,14 +462,14 @@ void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
for (j = 5; j >= 0; j--) {
switch (j) {
case 0:
- val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
+ val = ctrl | (mac[0] << 16) | (mac[1] << 24);
break;
case 1:
- val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
+ val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
break;
default:
i = (j - 2) << 2;
- val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
+ val = key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24);
break;
}
@@ -587,7 +564,7 @@ void WMMOnAssocRsp(struct adapter *padapter)
/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
- ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
+ ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
@@ -659,8 +636,6 @@ void WMMOnAssocRsp(struct adapter *padapter)
pxmitpriv->wmm_para_seq[i] = inx[i];
DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
}
-
- return;
}
static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
@@ -766,14 +741,14 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
} else {
/* modify from fw by Thomas 2010/11/17 */
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
- max_AMPDU_len = (pIE->data[i] & 0x3);
+ max_AMPDU_len = pIE->data[i] & 0x3;
else
- max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
+ max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3;
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
- min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
+ min_MPDU_spacing = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c;
else
- min_MPDU_spacing = (pIE->data[i] & 0x1c);
+ min_MPDU_spacing = pIE->data[i] & 0x1c;
pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
}
@@ -788,7 +763,6 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
else
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
}
- return;
}
void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
@@ -809,7 +783,6 @@ void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
pmlmeinfo->HT_info_enable = 1;
memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
- return;
}
void HTOnAssocRsp(struct adapter *padapter)
@@ -1221,48 +1194,36 @@ unsigned int is_ap_in_wep(struct adapter *padapter)
static int wifirate2_ratetbl_inx(unsigned char rate)
{
- int inx = 0;
rate = rate & 0x7f;
switch (rate) {
case 54*2:
- inx = 11;
- break;
+ return 11;
case 48*2:
- inx = 10;
- break;
+ return 10;
case 36*2:
- inx = 9;
- break;
+ return 9;
case 24*2:
- inx = 8;
- break;
+ return 8;
case 18*2:
- inx = 7;
- break;
+ return 7;
case 12*2:
- inx = 6;
- break;
+ return 6;
case 9*2:
- inx = 5;
- break;
+ return 5;
case 6*2:
- inx = 4;
- break;
+ return 4;
case 11*2:
- inx = 3;
- break;
+ return 3;
case 11:
- inx = 2;
- break;
+ return 2;
case 2*2:
- inx = 1;
- break;
+ return 1;
case 1*2:
- inx = 0;
- break;
+ return 0;
+ default:
+ return 0;
}
- return inx;
}
unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
@@ -1295,7 +1256,7 @@ unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
{
unsigned int mask = 0;
- mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
+ mask = (pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20);
return mask;
}
@@ -1309,7 +1270,7 @@ int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
if (!(pmlmeinfo->HT_enable))
return _FAIL;
- if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
+ if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
return _FAIL;
bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.