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Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_ieee80211.c')
-rw-r--r--drivers/staging/rtl8188eu/core/rtw_ieee80211.c121
1 files changed, 44 insertions, 77 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
index 52ad085383a0..7d5cbaf50f1c 100644
--- a/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ieee80211.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
******************************************************************************/
#define _IEEE80211_C
@@ -47,24 +39,23 @@ u8 RSN_CIPHER_SUITE_WEP104[] = { 0x00, 0x0f, 0xac, 5 };
/* for adhoc-master to generate ie and provide supported-rate to fw */
/* */
-static u8 WIFI_CCKRATES[] = {
- (IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK),
- (IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK),
- (IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK),
- (IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK)
- };
-
-static u8 WIFI_OFDMRATES[] = {
- (IEEE80211_OFDM_RATE_6MB),
- (IEEE80211_OFDM_RATE_9MB),
- (IEEE80211_OFDM_RATE_12MB),
- (IEEE80211_OFDM_RATE_18MB),
- (IEEE80211_OFDM_RATE_24MB),
+static u8 WIFI_CCKRATES[] = {
+ IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
+ IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
+ IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
+ IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
+};
+
+static u8 WIFI_OFDMRATES[] = {
+ IEEE80211_OFDM_RATE_6MB,
+ IEEE80211_OFDM_RATE_9MB,
+ IEEE80211_OFDM_RATE_12MB,
+ IEEE80211_OFDM_RATE_18MB,
+ IEEE80211_OFDM_RATE_24MB,
IEEE80211_OFDM_RATE_36MB,
IEEE80211_OFDM_RATE_48MB,
IEEE80211_OFDM_RATE_54MB
- };
-
+};
int rtw_get_bit_value_from_ieee_value(u8 val)
{
@@ -81,28 +72,27 @@ int rtw_get_bit_value_from_ieee_value(u8 val)
return 0;
}
-uint rtw_is_cckrates_included(u8 *rate)
+bool rtw_is_cckrates_included(u8 *rate)
{
- u32 i = 0;
+ while (*rate) {
+ u8 r = *rate & 0x7f;
- while (rate[i] != 0) {
- if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
- (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
+ if (r == 2 || r == 4 || r == 11 || r == 22)
return true;
- i++;
+ rate++;
}
+
return false;
}
-uint rtw_is_cckratesonly_included(u8 *rate)
+bool rtw_is_cckratesonly_included(u8 *rate)
{
- u32 i = 0;
+ while (*rate) {
+ u8 r = *rate & 0x7f;
- while (rate[i] != 0) {
- if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
- (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
+ if (r != 2 && r != 4 && r != 11 && r != 22)
return false;
- i++;
+ rate++;
}
return true;
@@ -111,14 +101,14 @@ uint rtw_is_cckratesonly_included(u8 *rate)
int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
{
if (channel > 14) {
- if ((rtw_is_cckrates_included(rate)) == true)
+ if (rtw_is_cckrates_included(rate))
return WIRELESS_INVALID;
else
return WIRELESS_11A;
} else { /* could be pure B, pure G, or B/G */
- if ((rtw_is_cckratesonly_included(rate)) == true)
+ if (rtw_is_cckratesonly_included(rate))
return WIRELESS_11B;
- else if ((rtw_is_cckrates_included(rate)) == true)
+ else if (rtw_is_cckrates_included(rate))
return WIRELESS_11BG;
else
return WIRELESS_11G;
@@ -186,7 +176,6 @@ u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit)
void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
{
-
memset(SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
switch (mode) {
@@ -209,29 +198,24 @@ void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
}
}
-uint rtw_get_rateset_len(u8 *rateset)
+uint rtw_get_rateset_len(u8 *rateset)
{
- uint i = 0;
+ uint i;
- while (1) {
- if ((rateset[i]) == 0)
+ for (i = 0; i < 13; i++)
+ if (rateset[i] == 0)
break;
- if (i > 12)
- break;
- i++;
- }
return i;
}
int rtw_generate_ie(struct registry_priv *pregistrypriv)
{
- u8 wireless_mode;
- int rateLen;
- uint sz = 0;
+ u8 wireless_mode;
+ int rateLen;
+ uint sz = 0;
struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
u8 *ie = pdev_network->ies;
-
/* timestamp will be inserted by hardware */
sz += 8;
ie += sz;
@@ -334,7 +318,6 @@ check_next_ie:
unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit)
{
-
return rtw_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
}
@@ -370,7 +353,6 @@ int rtw_get_wpa2_cipher_suite(u8 *s)
return 0;
}
-
int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
{
int i, ret = _SUCCESS;
@@ -383,7 +365,6 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
return _FAIL;
}
-
if ((*wpa_ie != _WPA_IE_ID_) || (*(wpa_ie + 1) != (u8)(wpa_ie_len - 2)) ||
(memcmp(wpa_ie + 2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN)))
return _FAIL;
@@ -393,7 +374,6 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
pos += 8;
left = wpa_ie_len - 8;
-
/* group_cipher */
if (left >= WPA_SELECTOR_LEN) {
*group_cipher = rtw_get_wpa_cipher_suite(pos);
@@ -452,7 +432,6 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
return _FAIL;
}
-
if ((*rsn_ie != _WPA2_IE_ID_) || (*(rsn_ie + 1) != (u8)(rsn_ie_len - 2)))
return _FAIL;
@@ -513,8 +492,7 @@ int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie,
{
u8 authmode, sec_idx, i;
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
- uint cnt;
-
+ uint cnt;
/* Search required WPA or WPA2 IE and copy to sec_ie[] */
@@ -568,7 +546,6 @@ int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie,
}
}
-
return *rsn_len + *wpa_len;
}
@@ -931,28 +908,18 @@ void rtw_macaddr_cfg(u8 *mac_addr)
if (rtw_initmac && mac_pton(rtw_initmac, mac)) {
/* Users specify the mac address */
- memcpy(mac_addr, mac, ETH_ALEN);
+ ether_addr_copy(mac_addr, mac);
} else {
/* Use the mac address stored in the Efuse */
- memcpy(mac, mac_addr, ETH_ALEN);
+ ether_addr_copy(mac, mac_addr);
}
- if (((mac[0] == 0xff) && (mac[1] == 0xff) && (mac[2] == 0xff) &&
- (mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) ||
- ((mac[0] == 0x0) && (mac[1] == 0x0) && (mac[2] == 0x0) &&
- (mac[3] == 0x0) && (mac[4] == 0x0) && (mac[5] == 0x0))) {
- mac[0] = 0x00;
- mac[1] = 0xe0;
- mac[2] = 0x4c;
- mac[3] = 0x87;
- mac[4] = 0x00;
- mac[5] = 0x00;
- /* use default mac address */
- memcpy(mac_addr, mac, ETH_ALEN);
- DBG_88E("MAC Address from efuse error, assign default one !!!\n");
+ if (is_broadcast_ether_addr(mac) || is_zero_ether_addr(mac)) {
+ eth_random_addr(mac_addr);
+ DBG_88E("MAC Address from efuse error, assign random one !!!\n");
}
- DBG_88E("%s MAC Address = %pM\n", __func__, (mac_addr));
+ DBG_88E("%s MAC Address = %pM\n", __func__, mac_addr);
}
static int rtw_get_cipher_info(struct wlan_network *pnetwork)
@@ -1003,7 +970,7 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork)
u16 wpa_len = 0, rsn_len = 0;
struct HT_info_element *pht_info = NULL;
uint len;
- unsigned char *p;
+ unsigned char *p;
memcpy(&le_tmp, rtw_get_capability_from_ie(pnetwork->network.ies), 2);
cap = le16_to_cpu(le_tmp);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-21 21:43:27 +0200