diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_ieee80211.c')
-rw-r--r-- | drivers/staging/rtl8188eu/core/rtw_ieee80211.c | 121 |
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); |