1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* Copyright(c) 2019-2022 Realtek Corporation 3 */ 4 5 #ifndef __RTW89_WOW_H__ 6 #define __RTW89_WOW_H__ 7 8 #define RTW89_KEY_TKIP_PN_IV16 GENMASK_ULL(15, 0) 9 #define RTW89_KEY_TKIP_PN_IV32 GENMASK_ULL(47, 16) 10 11 #define RTW89_KEY_PN_0 GENMASK_ULL(7, 0) 12 #define RTW89_KEY_PN_1 GENMASK_ULL(15, 8) 13 #define RTW89_KEY_PN_2 GENMASK_ULL(23, 16) 14 #define RTW89_KEY_PN_3 GENMASK_ULL(31, 24) 15 #define RTW89_KEY_PN_4 GENMASK_ULL(39, 32) 16 #define RTW89_KEY_PN_5 GENMASK_ULL(47, 40) 17 18 #define RTW89_IGTK_IPN_0 GENMASK_ULL(7, 0) 19 #define RTW89_IGTK_IPN_1 GENMASK_ULL(15, 8) 20 #define RTW89_IGTK_IPN_2 GENMASK_ULL(23, 16) 21 #define RTW89_IGTK_IPN_3 GENMASK_ULL(31, 24) 22 #define RTW89_IGTK_IPN_4 GENMASK_ULL(39, 32) 23 #define RTW89_IGTK_IPN_5 GENMASK_ULL(47, 40) 24 #define RTW89_IGTK_IPN_6 GENMASK_ULL(55, 48) 25 #define RTW89_IGTK_IPN_7 GENMASK_ULL(63, 56) 26 27 #define RTW89_WOW_VALID_CHECK 0xDD 28 #define RTW89_WOW_SYMBOL_CHK_PTK BIT(0) 29 #define RTW89_WOW_SYMBOL_CHK_GTK BIT(1) 30 31 #define RTW89_MIC_KEY_LEN 8 32 33 enum rtw89_wake_reason { 34 RTW89_WOW_RSN_RX_PTK_REKEY = 0x1, 35 RTW89_WOW_RSN_RX_GTK_REKEY = 0x2, 36 RTW89_WOW_RSN_RX_DISASSOC = 0x4, 37 RTW89_WOW_RSN_RX_DEAUTH = 0x8, 38 RTW89_WOW_RSN_DISCONNECT = 0x10, 39 RTW89_WOW_RSN_RX_MAGIC_PKT = 0x21, 40 RTW89_WOW_RSN_RX_PATTERN_MATCH = 0x23, 41 RTW89_WOW_RSN_RX_NLO = 0x55, 42 }; 43 44 enum rtw89_fw_alg { 45 RTW89_WOW_FW_ALG_WEP40 = 0x1, 46 RTW89_WOW_FW_ALG_WEP104 = 0x2, 47 RTW89_WOW_FW_ALG_TKIP = 0x3, 48 RTW89_WOW_FW_ALG_CCMP = 0x6, 49 RTW89_WOW_FW_ALG_CCMP_256 = 0x7, 50 RTW89_WOW_FW_ALG_GCMP = 0x8, 51 RTW89_WOW_FW_ALG_GCMP_256 = 0x9, 52 RTW89_WOW_FW_ALG_AES_CMAC = 0xa, 53 }; 54 55 struct rtw89_cipher_suite { 56 u8 oui[3]; 57 u8 type; 58 } __packed; 59 60 struct rtw89_rsn_ie { 61 u8 tag_number; 62 u8 tag_length; 63 __le16 rsn_version; 64 struct rtw89_cipher_suite group_cipher_suite; 65 __le16 pairwise_cipher_suite_cnt; 66 struct rtw89_cipher_suite pairwise_cipher_suite; 67 __le16 akm_cipher_suite_cnt; 68 struct rtw89_cipher_suite akm_cipher_suite; 69 } __packed; 70 71 struct rtw89_cipher_info { 72 u32 cipher; 73 u8 fw_alg; 74 enum ieee80211_key_len len; 75 }; 76 77 struct rtw89_set_key_info_iter_data { 78 u32 gtk_cipher; 79 u32 igtk_cipher; 80 bool rx_ready; 81 bool error; 82 bool tkip_gtk_swapped; 83 }; 84 85 static inline int rtw89_wow_get_sec_hdr_len(struct rtw89_dev *rtwdev) 86 { 87 struct rtw89_wow_param *rtw_wow = &rtwdev->wow; 88 89 if (!(rtwdev->chip->chip_id == RTL8852A || rtw89_is_rtl885xb(rtwdev))) 90 return 0; 91 92 switch (rtw_wow->ptk_alg) { 93 case RTW89_WOW_FW_ALG_WEP40: 94 return 4; 95 case RTW89_WOW_FW_ALG_TKIP: 96 case RTW89_WOW_FW_ALG_CCMP: 97 case RTW89_WOW_FW_ALG_GCMP_256: 98 return 8; 99 default: 100 return 0; 101 } 102 } 103 104 #ifdef CONFIG_PM 105 static inline bool rtw89_wow_mgd_linked(struct rtw89_dev *rtwdev) 106 { 107 struct rtw89_vif_link *rtwvif_link = rtwdev->wow.rtwvif_link; 108 109 return rtwvif_link->net_type == RTW89_NET_TYPE_INFRA; 110 } 111 112 static inline bool rtw89_wow_no_link(struct rtw89_dev *rtwdev) 113 { 114 struct rtw89_vif_link *rtwvif_link = rtwdev->wow.rtwvif_link; 115 116 return rtwvif_link->net_type == RTW89_NET_TYPE_NO_LINK; 117 } 118 119 static inline bool rtw_wow_has_mgd_features(struct rtw89_dev *rtwdev) 120 { 121 struct rtw89_wow_param *rtw_wow = &rtwdev->wow; 122 123 return !bitmap_empty(rtw_wow->flags, RTW89_WOW_FLAG_NUM); 124 } 125 126 void __rtw89_wow_parse_akm(struct rtw89_dev *rtwdev, struct sk_buff *skb); 127 128 static inline 129 void rtw89_wow_parse_akm(struct rtw89_dev *rtwdev, struct sk_buff *skb) 130 { 131 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 132 133 if (likely(!ieee80211_is_assoc_req(hdr->frame_control))) 134 return; 135 136 __rtw89_wow_parse_akm(rtwdev, skb); 137 } 138 139 int rtw89_wow_suspend(struct rtw89_dev *rtwdev, struct cfg80211_wowlan *wowlan); 140 int rtw89_wow_resume(struct rtw89_dev *rtwdev); 141 #else 142 static inline 143 void rtw89_wow_parse_akm(struct rtw89_dev *rtwdev, struct sk_buff *skb) 144 { 145 } 146 #endif 147 148 #endif 149