/* SPDX-License-Identifier: GPL-2.0 */ /* * Merged with mainline rtllib.h in Aug 2004. Original ieee802_11 * remains copyright by the original authors * * Portions of the merged code are based on Host AP (software wireless * LAN access point) driver for Intersil Prism2/2.5/3. * * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen * * Copyright (c) 2002-2003, Jouni Malinen * * Adaption to a generic IEEE 802.11 stack by James Ketrenos * * Copyright (c) 2004, Intel Corporation * * Modified for Realtek's wi-fi cards by Andrea Merello * */ #ifndef RTLLIB_H #define RTLLIB_H #include /* ETH_ALEN */ #include /* ARRAY_SIZE */ #include #include #include #include #include #include #include #include #include "rtl819x_HT.h" #include "rtl819x_BA.h" #include "rtl819x_TS.h" #include #include /* ARPHRD_ETHER */ #include #include #define MAX_PRECMD_CNT 16 #define MAX_RFDEPENDCMD_CNT 16 #define MAX_POSTCMD_CNT 16 #ifndef WIRELESS_SPY #define WIRELESS_SPY #endif #include #ifndef IW_MODE_MONITOR #define IW_MODE_MONITOR 6 #endif #ifndef IWEVCUSTOM #define IWEVCUSTOM 0x8c02 #endif #ifndef IW_CUSTOM_MAX /* Max number of char in custom event - use multiple of them if needed */ #define IW_CUSTOM_MAX 256 /* In bytes */ #endif #define container_of_dwork_rsl(x, y, z) \ container_of(to_delayed_work(x), y, z) static inline void *netdev_priv_rsl(struct net_device *dev) { return netdev_priv(dev); } #define KEY_TYPE_NA 0x0 #define KEY_TYPE_WEP40 0x1 #define KEY_TYPE_TKIP 0x2 #define KEY_TYPE_CCMP 0x4 #define KEY_TYPE_WEP104 0x5 /* added for rtl819x tx procedure */ #define MAX_QUEUE_SIZE 0x10 #define BK_QUEUE 0 #define BE_QUEUE 1 #define VI_QUEUE 2 #define VO_QUEUE 3 #define HCCA_QUEUE 4 #define TXCMD_QUEUE 5 #define MGNT_QUEUE 6 #define HIGH_QUEUE 7 #define BEACON_QUEUE 8 #define IE_CISCO_FLAG_POSITION 0x08 #define SUPPORT_CKIP_MIC 0x08 #define SUPPORT_CKIP_PK 0x10 #define RT_RF_OFF_LEVL_HALT_NIC BIT(3) #define RT_IN_PS_LEVEL(psc, _PS_FLAG) \ ((psc->cur_ps_level & _PS_FLAG) ? true : false) #define RT_CLEAR_PS_LEVEL(psc, _PS_FLAG) \ (psc->cur_ps_level &= (~(_PS_FLAG))) /* defined for skb cb field */ /* At most 28 byte */ struct cb_desc { /* Tx Desc Related flags (8-9) */ u8 last_ini_pkt:1; u8 cmd_or_init:1; u8 tx_dis_rate_fallback:1; u8 tx_use_drv_assinged_rate:1; u8 hw_sec:1; u8 stuck_count; /* Tx Firmware Related flags (10-11)*/ u8 cts_enable:1; u8 rts_enable:1; u8 use_short_gi:1; u8 use_short_preamble:1; u8 tx_enable_fw_calc_dur:1; u8 ampdu_enable:1; u8 rtsstbc:1; u8 RTSSC:1; u8 rts_bw:1; u8 packet_bw:1; u8 rts_use_short_preamble:1; u8 rts_use_short_gi:1; u8 multicast:1; u8 broadcast:1; u8 drv_agg_enable:1; u8 reserved2:1; /* Tx Desc related element(12-19) */ u8 rata_index; u8 queue_index; u16 txbuf_size; u8 ratr_index; u8 bAMSDU:1; u8 bFromAggrQ:1; u8 reserved6:6; u8 priority; /* Tx firmware related element(20-27) */ u8 data_rate; u8 rts_rate; u8 ampdu_factor; u8 ampdu_density; u8 DrvAggrNum; u8 bdhcp; u16 pkt_size; u8 bIsSpecialDataFrame; u8 bBTTxPacket; u8 bIsBTProbRsp; }; enum sw_chnl_cmd_id { cmd_id_end, cmd_id_set_tx_power_level, cmd_id_bbreg_write10, cmd_id_write_port_ulong, cmd_id_write_port_ushort, cmd_id_write_port_uchar, cmd_id_rf_write_reg, }; struct sw_chnl_cmd { enum sw_chnl_cmd_id cmd_id; u32 para1; u32 para2; u32 ms_delay; }; /*--------------------------Define -------------------------------------------*/ #define MGN_1M 0x02 #define MGN_2M 0x04 #define MGN_5_5M 0x0b #define MGN_11M 0x16 #define MGN_6M 0x0c #define MGN_9M 0x12 #define MGN_12M 0x18 #define MGN_18M 0x24 #define MGN_24M 0x30 #define MGN_36M 0x48 #define MGN_48M 0x60 #define MGN_54M 0x6c #define MGN_MCS0 0x80 #define MGN_MCS1 0x81 #define MGN_MCS2 0x82 #define MGN_MCS3 0x83 #define MGN_MCS4 0x84 #define MGN_MCS5 0x85 #define MGN_MCS6 0x86 #define MGN_MCS7 0x87 #define MGN_MCS8 0x88 #define MGN_MCS9 0x89 #define MGN_MCS10 0x8a #define MGN_MCS11 0x8b #define MGN_MCS12 0x8c #define MGN_MCS13 0x8d #define MGN_MCS14 0x8e #define MGN_MCS15 0x8f enum hw_variables { HW_VAR_ETHER_ADDR, HW_VAR_MULTICAST_REG, HW_VAR_BASIC_RATE, HW_VAR_BSSID, HW_VAR_MEDIA_STATUS, HW_VAR_SECURITY_CONF, HW_VAR_BEACON_INTERVAL, HW_VAR_ATIM_WINDOW, HW_VAR_LISTEN_INTERVAL, HW_VAR_CS_COUNTER, HW_VAR_DEFAULTKEY0, HW_VAR_DEFAULTKEY1, HW_VAR_DEFAULTKEY2, HW_VAR_DEFAULTKEY3, HW_VAR_SIFS, HW_VAR_DIFS, HW_VAR_EIFS, HW_VAR_SLOT_TIME, HW_VAR_ACK_PREAMBLE, HW_VAR_CW_CONFIG, HW_VAR_CW_VALUES, HW_VAR_RATE_FALLBACK_CONTROL, HW_VAR_CONTENTION_WINDOW, HW_VAR_RETRY_COUNT, HW_VAR_TR_SWITCH, HW_VAR_COMMAND, HW_VAR_WPA_CONFIG, HW_VAR_AMPDU_MIN_SPACE, HW_VAR_SHORTGI_DENSITY, HW_VAR_AMPDU_FACTOR, HW_VAR_MCS_RATE_AVAILABLE, HW_VAR_AC_PARAM, HW_VAR_ACM_CTRL, HW_VAR_DIS_Req_Qsize, HW_VAR_CCX_CHNL_LOAD, HW_VAR_CCX_NOISE_HISTOGRAM, HW_VAR_CCX_CLM_NHM, HW_VAR_TxOPLimit, HW_VAR_TURBO_MODE, HW_VAR_RF_STATE, HW_VAR_RF_OFF_BY_HW, HW_VAR_BUS_SPEED, HW_VAR_SET_DEV_POWER, HW_VAR_RCR, HW_VAR_RATR_0, HW_VAR_RRSR, HW_VAR_CPU_RST, HW_VAR_CECHK_BSSID, HW_VAR_LBK_MODE, HW_VAR_AES_11N_FIX, HW_VAR_USB_RX_AGGR, HW_VAR_USER_CONTROL_TURBO_MODE, HW_VAR_RETRY_LIMIT, HW_VAR_INIT_TX_RATE, HW_VAR_TX_RATE_REG, HW_VAR_EFUSE_USAGE, HW_VAR_EFUSE_BYTES, HW_VAR_AUTOLOAD_STATUS, HW_VAR_RF_2R_DISABLE, HW_VAR_SET_RPWM, HW_VAR_H2C_FW_PWRMODE, HW_VAR_H2C_FW_JOINBSSRPT, HW_VAR_1X1_RECV_COMBINE, HW_VAR_STOP_SEND_BEACON, HW_VAR_TSF_TIMER, HW_VAR_IO_CMD, HW_VAR_RF_RECOVERY, HW_VAR_H2C_FW_UPDATE_GTK, HW_VAR_WF_MASK, HW_VAR_WF_CRC, HW_VAR_WF_IS_MAC_ADDR, HW_VAR_H2C_FW_OFFLOAD, HW_VAR_RESET_WFCRC, HW_VAR_HANDLE_FW_C2H, HW_VAR_DL_FW_RSVD_PAGE, HW_VAR_AID, HW_VAR_HW_SEQ_ENABLE, HW_VAR_CORRECT_TSF, HW_VAR_BCN_VALID, HW_VAR_FWLPS_RF_ON, HW_VAR_DUAL_TSF_RST, HW_VAR_SWITCH_EPHY_WoWLAN, HW_VAR_INT_MIGRATION, HW_VAR_INT_AC, HW_VAR_RF_TIMING, }; enum rt_op_mode { RT_OP_MODE_AP, RT_OP_MODE_INFRASTRUCTURE, RT_OP_MODE_IBSS, RT_OP_MODE_NO_LINK, }; #define asifs_time \ ((priv->rtllib->current_network.mode == WIRELESS_MODE_N_24G) ? 16 : 10) #define MGMT_QUEUE_NUM 5 #define MAX_IE_LEN 0xff #define msleep_interruptible_rsl msleep_interruptible /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section * 6.2.1.1.2. * * The figure in section 7.1.2 suggests a body size of up to 2312 * bytes is allowed, which is a bit confusing, I suspect this * represents the 2304 bytes of real data, plus a possible 8 bytes of * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ #define RTLLIB_1ADDR_LEN 10 #define RTLLIB_2ADDR_LEN 16 #define RTLLIB_3ADDR_LEN 24 #define RTLLIB_4ADDR_LEN 30 #define RTLLIB_FCS_LEN 4 #define RTLLIB_SKBBUFFER_SIZE 2500 #define MIN_FRAG_THRESHOLD 256U #define MAX_FRAG_THRESHOLD 2346U #define RTLLIB_FTYPE_MGMT 0x0000 #define RTLLIB_FTYPE_CTL 0x0004 #define RTLLIB_FTYPE_DATA 0x0008 #define RTLLIB_SCTL_FRAG 0x000F #define RTLLIB_SCTL_SEQ 0xFFF0 /* QOS control */ #define RTLLIB_QCTL_TID 0x000F #define FC_QOS_BIT BIT(7) #define is_data_frame(pdu) (((pdu[0] & 0x0C) == 0x08) ? true : false) #define is_legacy_data_frame(pdu) (is_data_frame(pdu) && (!(pdu[0] & FC_QOS_BIT))) #define is_qos_data_frame(pframe) \ ((*(u16 *)pframe & (IEEE80211_STYPE_QOS_DATA | RTLLIB_FTYPE_DATA)) == \ (IEEE80211_STYPE_QOS_DATA | RTLLIB_FTYPE_DATA)) #define frame_order(pframe) (*(u16 *)pframe & IEEE80211_FCTL_ORDER) #define SN_LESS(a, b) (((a - b) & 0x800) != 0) #define SN_EQUAL(a, b) (a == b) #define MAX_DEV_ADDR_SIZE 8 enum act_category { ACT_CAT_QOS = 1, ACT_CAT_DLS = 2, ACT_CAT_BA = 3, ACT_CAT_HT = 7, ACT_CAT_WMM = 17, }; enum ba_action { ACT_ADDBAREQ = 0, ACT_ADDBARSP = 1, ACT_DELBA = 2, }; enum init_gain_op_type { IG_Backup = 0, IG_Restore, IG_Max }; enum wireless_mode { WIRELESS_MODE_UNKNOWN = 0x00, WIRELESS_MODE_A = 0x01, WIRELESS_MODE_B = 0x02, WIRELESS_MODE_G = 0x04, WIRELESS_MODE_AUTO = 0x08, WIRELESS_MODE_N_24G = 0x10, }; #ifndef ETH_P_PAE #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ #define ETH_P_IP 0x0800 /* Internet Protocol packet */ #define ETH_P_ARP 0x0806 /* Address Resolution packet */ #endif /* ETH_P_PAE */ #ifndef ETH_P_80211_RAW #define ETH_P_80211_RAW (ETH_P_ECONET + 1) #endif /* IEEE 802.11 defines */ #define P80211_OUI_LEN 3 struct rtllib_snap_hdr { u8 dsap; /* always 0xAA */ u8 ssap; /* always 0xAA */ u8 ctrl; /* always 0x03 */ u8 oui[P80211_OUI_LEN]; /* organizational universal id */ } __packed; enum _REG_PREAMBLE_MODE { PREAMBLE_LONG = 1, PREAMBLE_AUTO = 2, PREAMBLE_SHORT = 3, }; #define SNAP_SIZE sizeof(struct rtllib_snap_hdr) #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) #define WLAN_FC_MORE_DATA(fc) ((fc) & IEEE80211_FCTL_MOREDATA) #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTLLIB_SCTL_FRAG) #define WLAN_GET_SEQ_SEQ(seq) (((seq) & RTLLIB_SCTL_SEQ) >> 4) #define RTLLIB_STATMASK_SIGNAL (1 << 0) #define RTLLIB_STATMASK_RSSI (1 << 1) #define RTLLIB_STATMASK_NOISE (1 << 2) #define RTLLIB_STATMASK_WEMASK 0x7 #define RTLLIB_CCK_MODULATION (1 << 0) #define RTLLIB_OFDM_MODULATION (1 << 1) #define RTLLIB_CCK_RATE_LEN 4 #define RTLLIB_CCK_RATE_1MB 0x02 #define RTLLIB_CCK_RATE_2MB 0x04 #define RTLLIB_CCK_RATE_5MB 0x0B #define RTLLIB_CCK_RATE_11MB 0x16 #define RTLLIB_OFDM_RATE_LEN 8 #define RTLLIB_OFDM_RATE_6MB 0x0C #define RTLLIB_OFDM_RATE_9MB 0x12 #define RTLLIB_OFDM_RATE_12MB 0x18 #define RTLLIB_OFDM_RATE_18MB 0x24 #define RTLLIB_OFDM_RATE_24MB 0x30 #define RTLLIB_OFDM_RATE_36MB 0x48 #define RTLLIB_OFDM_RATE_48MB 0x60 #define RTLLIB_OFDM_RATE_54MB 0x6C #define RTLLIB_BASIC_RATE_MASK 0x80 /* this is stolen and modified from the madwifi driver*/ #define RTLLIB_FC0_TYPE_MASK 0x0c #define RTLLIB_FC0_TYPE_DATA 0x08 #define RTLLIB_FC0_SUBTYPE_MASK 0xB0 #define RTLLIB_FC0_SUBTYPE_QOS 0x80 #define RTLLIB_QOS_HAS_SEQ(fc) \ (((fc) & (RTLLIB_FC0_TYPE_MASK | RTLLIB_FC0_SUBTYPE_MASK)) == \ (RTLLIB_FC0_TYPE_DATA | RTLLIB_FC0_SUBTYPE_QOS)) /* this is stolen from ipw2200 driver */ #define IEEE_IBSS_MAC_HASH_SIZE 31 /* NOTE: This data is for statistical purposes; not all hardware provides this * information for frames received. Not setting these will not cause * any adverse affects. */ struct rtllib_rx_stats { s8 rssi; u8 signal; u8 noise; u16 rate; /* in 100 kbps */ u8 control; u8 mask; u16 len; u16 Length; u8 signal_quality; s32 RecvSignalPower; u8 signal_strength; u16 hw_error:1; u16 bCRC:1; u16 bICV:1; u16 decrypted:1; u32 time_stamp_low; u32 time_stamp_high; u8 rx_drv_info_size; u8 rx_buf_shift; bool bIsAMPDU; bool bFirstMPDU; bool contain_htc; u32 RxPWDBAll; u8 RxMIMOSignalStrength[2]; s8 RxMIMOSignalQuality[2]; bool bPacketMatchBSSID; bool bIsCCK; bool packet_to_self; bool bPacketBeacon; bool bToSelfBA; }; /* IEEE 802.11 requires that STA supports concurrent reception of at least * three fragmented frames. This define can be increased to support more * concurrent frames, but it should be noted that each entry can consume about * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ #define RTLLIB_FRAG_CACHE_LEN 4 struct rtllib_frag_entry { unsigned long first_frag_time; unsigned int seq; unsigned int last_frag; struct sk_buff *skb; u8 src_addr[ETH_ALEN]; u8 dst_addr[ETH_ALEN]; }; struct rtllib_device; #define SEC_ACTIVE_KEY (1 << 4) #define SEC_AUTH_MODE (1 << 5) #define SEC_UNICAST_GROUP (1 << 6) #define SEC_LEVEL (1 << 7) #define SEC_ENABLED (1 << 8) #define SEC_LEVEL_0 0 /* None */ #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ #define SEC_ALG_NONE 0 #define SEC_ALG_WEP 1 #define SEC_ALG_TKIP 2 #define SEC_ALG_CCMP 4 #define WEP_KEY_LEN 13 #define SCM_KEY_LEN 32 struct rtllib_security { u16 active_key:2, enabled:1, auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1; u8 key_sizes[NUM_WEP_KEYS]; u8 keys[NUM_WEP_KEYS][SCM_KEY_LEN]; u8 level; u16 flags; } __packed; /* 802.11 data frame from AP * ,-------------------------------------------------------------------. * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | * |------|------|---------|---------|---------|------|---------|------| * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | * | | tion | (BSSID) | | | ence | data | | * `-------------------------------------------------------------------' * Total: 28-2340 bytes */ /* Management Frame Information Element Types */ enum rtllib_mfie { MFIE_TYPE_SSID = 0, MFIE_TYPE_RATES = 1, MFIE_TYPE_FH_SET = 2, MFIE_TYPE_DS_SET = 3, MFIE_TYPE_CF_SET = 4, MFIE_TYPE_TIM = 5, MFIE_TYPE_IBSS_SET = 6, MFIE_TYPE_COUNTRY = 7, MFIE_TYPE_HOP_PARAMS = 8, MFIE_TYPE_HOP_TABLE = 9, MFIE_TYPE_REQUEST = 10, MFIE_TYPE_CHALLENGE = 16, MFIE_TYPE_POWER_CONSTRAINT = 32, MFIE_TYPE_POWER_CAPABILITY = 33, MFIE_TYPE_TPC_REQUEST = 34, MFIE_TYPE_TPC_REPORT = 35, MFIE_TYPE_SUPP_CHANNELS = 36, MFIE_TYPE_CSA = 37, MFIE_TYPE_MEASURE_REQUEST = 38, MFIE_TYPE_MEASURE_REPORT = 39, MFIE_TYPE_QUIET = 40, MFIE_TYPE_IBSS_DFS = 41, MFIE_TYPE_ERP = 42, MFIE_TYPE_HT_CAP = 45, MFIE_TYPE_RSN = 48, MFIE_TYPE_RATES_EX = 50, MFIE_TYPE_HT_INFO = 61, MFIE_TYPE_AIRONET = 133, MFIE_TYPE_GENERIC = 221, MFIE_TYPE_QOS_PARAMETER = 222, }; /* Minimal header; can be used for passing 802.11 frames with sufficient * information to determine what type of underlying data type is actually * stored in the data. */ struct rtllib_info_element { u8 id; u8 len; u8 data[]; } __packed; struct rtllib_authentication { struct ieee80211_hdr_3addr header; __le16 algorithm; __le16 transaction; __le16 status; /*challenge*/ struct rtllib_info_element info_element[]; } __packed __aligned(2); struct rtllib_disauth { struct ieee80211_hdr_3addr header; __le16 reason; } __packed __aligned(2); struct rtllib_disassoc { struct ieee80211_hdr_3addr header; __le16 reason; } __packed __aligned(2); struct rtllib_probe_request { struct ieee80211_hdr_3addr header; /* SSID, supported rates */ struct rtllib_info_element info_element[]; } __packed __aligned(2); struct rtllib_probe_response { struct ieee80211_hdr_3addr header; u32 time_stamp[2]; __le16 beacon_interval; __le16 capability; /* SSID, supported rates, FH params, DS params, * CF params, IBSS params, TIM (if beacon), RSN */ struct rtllib_info_element info_element[]; } __packed __aligned(2); /* Alias beacon for probe_response */ #define rtllib_beacon rtllib_probe_response struct rtllib_assoc_request_frame { struct ieee80211_hdr_3addr header; __le16 capability; __le16 listen_interval; /* SSID, supported rates, RSN */ struct rtllib_info_element info_element[]; } __packed __aligned(2); struct rtllib_assoc_response_frame { struct ieee80211_hdr_3addr header; __le16 capability; __le16 status; __le16 aid; struct rtllib_info_element info_element[]; /* supported rates */ } __packed __aligned(2); struct rtllib_txb { u8 nr_frags; u8 encrypted; u8 queue_index; u8 rts_included; u16 reserved; __le16 frag_size; __le16 payload_size; struct sk_buff *fragments[] __counted_by(nr_frags); }; #define MAX_SUBFRAME_COUNT 64 struct rtllib_rxb { u8 nr_subframes; struct sk_buff *subframes[MAX_SUBFRAME_COUNT]; u8 dst[ETH_ALEN]; u8 src[ETH_ALEN]; }; union frameqos { u16 shortdata; u8 chardata[2]; struct { u16 tid:4; u16 eosp:1; u16 ack_policy:2; u16 reserved:1; u16 txop:8; } field; }; /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs * only use 8, and then use extended rates for the remaining supported * rates. Other APs, however, stick all of their supported rates on the * main rates information element... */ #define MAX_RATES_LENGTH ((u8)12) #define MAX_RATES_EX_LENGTH ((u8)16) #define MAX_NETWORK_COUNT 96 #define MAX_CHANNEL_NUMBER 161 #define RTLLIB_SOFTMAC_SCAN_TIME 100 #define RTLLIB_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) #define MAX_WPA_IE_LEN 64 #define MAX_WZC_IE_LEN 256 #define NETWORK_EMPTY_ESSID (1 << 0) #define NETWORK_HAS_OFDM (1 << 1) #define NETWORK_HAS_CCK (1 << 2) /* QoS structure */ #define NETWORK_HAS_QOS_PARAMETERS (1 << 3) #define NETWORK_HAS_QOS_INFORMATION (1 << 4) #define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \ NETWORK_HAS_QOS_INFORMATION) /* 802.11h */ #define NETWORK_HAS_ERP_VALUE (1 << 10) #define QOS_QUEUE_NUM 4 #define QOS_OUI_LEN 3 #define QOS_OUI_TYPE 2 #define QOS_ELEMENT_ID 221 #define QOS_OUI_INFO_SUB_TYPE 0 #define QOS_OUI_PARAM_SUB_TYPE 1 #define QOS_VERSION_1 1 struct rtllib_qos_information_element { u8 element_id; u8 length; u8 qui[QOS_OUI_LEN]; u8 qui_type; u8 qui_subtype; u8 version; u8 ac_info; } __packed; struct rtllib_qos_ac_parameter { u8 aci_aifsn; u8 ecw_min_max; __le16 tx_op_limit; } __packed; struct rtllib_qos_parameter_info { struct rtllib_qos_information_element info_element; u8 reserved; struct rtllib_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; } __packed; struct rtllib_qos_parameters { __le16 cw_min[QOS_QUEUE_NUM]; __le16 cw_max[QOS_QUEUE_NUM]; u8 aifs[QOS_QUEUE_NUM]; u8 flag[QOS_QUEUE_NUM]; __le16 tx_op_limit[QOS_QUEUE_NUM]; } __packed; struct rtllib_qos_data { struct rtllib_qos_parameters parameters; unsigned int wmm_acm; int active; int supported; u8 param_count; u8 old_param_count; }; struct rtllib_tim_parameters { u8 tim_count; u8 tim_period; } __packed; struct rtllib_wmm_ac_param { u8 ac_aci_acm_aifsn; u8 ac_ecwmin_ecwmax; u16 ac_txop_limit; }; enum eap_type { EAP_PACKET = 0, EAPOL_START, EAPOL_LOGOFF, EAPOL_KEY, EAPOL_ENCAP_ASF_ALERT }; static const char * const eap_types[] = { [EAP_PACKET] = "EAP-Packet", [EAPOL_START] = "EAPOL-Start", [EAPOL_LOGOFF] = "EAPOL-Logoff", [EAPOL_KEY] = "EAPOL-Key", [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert" }; static inline const char *eap_get_type(int type) { return ((u32)type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type]; } static inline u8 frame_qos_tid(u8 *buf) { struct ieee80211_hdr_3addr *hdr; u16 fc; hdr = (struct ieee80211_hdr_3addr *)buf; fc = le16_to_cpu(hdr->frame_control); return (u8)((union frameqos *)(buf + (((fc & IEEE80211_FCTL_TODS) && (fc & IEEE80211_FCTL_FROMDS)) ? 30 : 24)))->field.tid; } struct eapol { u8 snap[6]; u16 ethertype; u8 version; u8 type; u16 length; } __packed; struct rtllib_softmac_stats { unsigned int rx_ass_ok; unsigned int rx_ass_err; unsigned int rx_probe_rq; unsigned int tx_probe_rs; unsigned int tx_beacons; unsigned int rx_auth_rq; unsigned int rx_auth_rs_ok; unsigned int rx_auth_rs_err; unsigned int tx_auth_rq; unsigned int no_auth_rs; unsigned int no_ass_rs; unsigned int tx_ass_rq; unsigned int rx_ass_rq; unsigned int tx_probe_rq; unsigned int reassoc; unsigned int swtxstop; unsigned int swtxawake; unsigned char CurrentShowTxate; unsigned char last_packet_rate; unsigned int txretrycount; }; /* These are the data types that can make up management packets * * u16 auth_algorithm; * u16 auth_sequence; * u16 beacon_interval; * u16 capability; * u8 current_ap[ETH_ALEN]; * u16 listen_interval; * struct { * u16 association_id:14, reserved:2; * } __packed; * u32 time_stamp[2]; * u16 reason; * u16 status; */ #define RTLLIB_DEFAULT_TX_ESSID "Penguin" #define RTLLIB_DEFAULT_BASIC_RATE 2 enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame}; #define MAX_SP_Len (WMM_all_frame << 4) #define RTLLIB_QOS_TID 0x0f #define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5) #define RTLLIB_DTIM_MBCAST 4 #define RTLLIB_DTIM_UCAST 2 #define RTLLIB_DTIM_VALID 1 #define RTLLIB_DTIM_INVALID 0 #define RTLLIB_PS_DISABLED 0 #define RTLLIB_PS_UNICAST RTLLIB_DTIM_UCAST #define RTLLIB_PS_MBCAST RTLLIB_DTIM_MBCAST #define WME_AC_BK 0x00 #define WME_AC_BE 0x01 #define WME_AC_VI 0x02 #define WME_AC_VO 0x03 #define WME_AC_PRAM_LEN 16 #define MAX_RECEIVE_BUFFER_SIZE 9100 #define UP2AC(up) ( \ ((up) < 1) ? WME_AC_BE : \ ((up) < 3) ? WME_AC_BK : \ ((up) < 4) ? WME_AC_BE : \ ((up) < 6) ? WME_AC_VI : \ WME_AC_VO) #define ETHERNET_HEADER_SIZE 14 /* length of two Ethernet address * plus ether type */ enum erp_t { ERP_NonERPpresent = 0x01, ERP_UseProtection = 0x02, ERP_BarkerPreambleMode = 0x04, }; struct rtllib_network { /* These entries are used to identify a unique network */ u8 bssid[ETH_ALEN]; u8 channel; /* Ensure null-terminated for any debug msgs */ u8 ssid[IW_ESSID_MAX_SIZE + 1]; u8 ssid_len; u8 hidden_ssid[IW_ESSID_MAX_SIZE + 1]; u8 hidden_ssid_len; struct rtllib_qos_data qos_data; bool with_aironet_ie; bool ckip_supported; bool ccx_rm_enable; u8 ccx_rm_state[2]; bool mb_ssid_valid; u8 mb_ssid_mask; u8 mb_ssid[ETH_ALEN]; bool with_ccx_ver_num; u8 bss_ccx_ver_number; /* These are network statistics */ struct rtllib_rx_stats stats; u16 capability; u8 rates[MAX_RATES_LENGTH]; u8 rates_len; u8 rates_ex[MAX_RATES_EX_LENGTH]; u8 rates_ex_len; unsigned long last_scanned; u8 mode; u32 flags; u32 time_stamp[2]; u16 beacon_interval; u16 listen_interval; u16 atim_window; u8 erp_value; u8 wpa_ie[MAX_WPA_IE_LEN]; size_t wpa_ie_len; u8 rsn_ie[MAX_WPA_IE_LEN]; size_t rsn_ie_len; u8 wzc_ie[MAX_WZC_IE_LEN]; size_t wzc_ie_len; struct rtllib_tim_parameters tim; u8 dtim_period; u8 dtim_data; u64 last_dtim_sta_time; u8 wmm_info; struct rtllib_wmm_ac_param wmm_param[4]; u8 turbo_enable; u16 country_ie_len; u8 country_ie_buf[MAX_IE_LEN]; struct bss_ht bssht; bool broadcom_cap_exist; bool realtek_cap_exit; bool marvell_cap_exist; bool ralink_cap_exist; bool atheros_cap_exist; bool cisco_cap_exist; bool airgo_cap_exist; bool unknown_cap_exist; bool berp_info_valid; bool buseprotection; u8 signal_strength; u8 RSSI; struct list_head list; }; enum rtl_link_state { /* the card is not linked at all */ MAC80211_NOLINK = 0, /* RTLLIB_ASSOCIATING* are for BSS client mode * the driver shall not perform RX filtering unless * the state is LINKED. * The driver shall just check for the state LINKED and * defaults to NOLINK for ALL the other states (including * LINKED_SCANNING) */ /* the association procedure will start (wq scheduling)*/ RTLLIB_ASSOCIATING, RTLLIB_ASSOCIATING_RETRY, /* the association procedure is sending AUTH request*/ RTLLIB_ASSOCIATING_AUTHENTICATING, /* the association procedure has successfully authenticated * and is sending association request */ RTLLIB_ASSOCIATING_AUTHENTICATED, /* the link is ok. the card associated to a BSS or linked * to a ibss cell or acting as an AP and creating the bss */ MAC80211_LINKED, /* same as LINKED, but the driver shall apply RX filter * rules as we are in NO_LINK mode. As the card is still * logically linked, but it is doing a syncro site survey * then it will be back to LINKED state. */ MAC80211_LINKED_SCANNING, }; #define DEFAULT_MAX_SCAN_AGE (15 * HZ) #define DEFAULT_FTS 2346 #define CFG_RTLLIB_RESERVE_FCS (1 << 0) #define CFG_RTLLIB_COMPUTE_FCS (1 << 1) struct tx_pending { int frag; struct rtllib_txb *txb; }; struct bandwidth_autoswitch { long threshold_20Mhzto40Mhz; long threshold_40Mhzto20Mhz; bool forced_tx_20MHz; bool bautoswitch_enable; }; #define REORDER_WIN_SIZE 128 #define REORDER_ENTRY_NUM 128 struct rx_reorder_entry { struct list_head list; u16 seq_num; struct rtllib_rxb *prxb; }; enum fsync_state { DEFAULT_FSYNC, HW_FSYNC, SW_FSYNC }; enum ips_callback_function { IPS_CALLBACK_NONE = 0, IPS_CALLBACK_MGNT_LINK_REQUEST = 1, IPS_CALLBACK_JOIN_REQUEST = 2, }; enum rt_rf_power_state { rf_on, rf_sleep, rf_off }; struct rt_pwr_save_ctrl { bool bSwRfProcessing; enum rt_rf_power_state eInactivePowerState; enum ips_callback_function return_point; bool bLeisurePs; u8 lps_idle_count; u8 lps_awake_intvl; u32 cur_ps_level; }; #define RT_RF_CHANGE_SOURCE u32 #define RF_CHANGE_BY_SW BIT(31) #define RF_CHANGE_BY_HW BIT(30) #define RF_CHANGE_BY_PS BIT(29) #define RF_CHANGE_BY_IPS BIT(28) #define RF_CHANGE_BY_INIT 0 enum country_code_type { COUNTRY_CODE_FCC = 0, COUNTRY_CODE_IC = 1, COUNTRY_CODE_ETSI = 2, COUNTRY_CODE_SPAIN = 3, COUNTRY_CODE_FRANCE = 4, COUNTRY_CODE_MKK = 5, COUNTRY_CODE_MKK1 = 6, COUNTRY_CODE_ISRAEL = 7, COUNTRY_CODE_TELEC = 8, COUNTRY_CODE_MIC = 9, COUNTRY_CODE_GLOBAL_DOMAIN = 10, COUNTRY_CODE_WORLD_WIDE_13 = 11, COUNTRY_CODE_TELEC_NETGEAR = 12, COUNTRY_CODE_MAX }; enum scan_op_backup_opt { SCAN_OPT_BACKUP = 0, SCAN_OPT_RESTORE, SCAN_OPT_MAX }; #define RT_MAX_LD_SLOT_NUM 10 struct rt_link_detect { u32 num_recv_bcn_in_period; u32 num_recv_data_in_period; u32 RxBcnNum[RT_MAX_LD_SLOT_NUM]; u32 RxDataNum[RT_MAX_LD_SLOT_NUM]; u16 slot_num; u16 slot_index; u32 num_tx_ok_in_period; u32 num_rx_ok_in_period; u32 num_rx_unicast_ok_in_period; bool busy_traffic; bool bHigherBusyTraffic; bool bHigherBusyRxTraffic; }; struct sw_cam_table { u8 macaddr[ETH_ALEN]; bool bused; u8 key_buf[16]; u16 key_type; u8 useDK; u8 key_index; }; #define TOTAL_CAM_ENTRY 32 struct rate_adaptive { u8 ratr_state; u16 reserve; u32 high_rssi_thresh_for_ra; u32 high2low_rssi_thresh_for_ra; u8 low2high_rssi_thresh_for_ra40M; u32 low_rssi_thresh_for_ra40M; u8 low2high_rssi_thresh_for_ra20M; u32 low_rssi_thresh_for_ra20M; u32 upper_rssi_threshold_ratr; u32 middle_rssi_threshold_ratr; u32 low_rssi_threshold_ratr; u32 low_rssi_threshold_ratr_40M; u32 low_rssi_threshold_ratr_20M; u8 ping_rssi_enable; u32 ping_rssi_ratr; u32 ping_rssi_thresh_for_ra; u8 PreRATRState; }; #define NUM_PMKID_CACHE 16 struct rt_pmkid_list { u8 bssid[ETH_ALEN]; u8 PMKID[16]; u8 SsidBuf[33]; u8 used; }; /*************** DRIVER STATUS *****/ #define STATUS_SCANNING 0 /*************** DRIVER STATUS *****/ enum { LPS_IS_WAKE = 0, LPS_IS_SLEEP = 1, LPS_WAIT_NULL_DATA_SEND = 2, }; struct rtllib_device { struct pci_dev *pdev; struct net_device *dev; struct rtllib_security sec; bool disable_mgnt_queue; unsigned long status; u8 cnt_after_link; enum rt_op_mode op_mode; /* The last AssocReq/Resp IEs */ u8 *assocreq_ies, *assocresp_ies; size_t assocreq_ies_len, assocresp_ies_len; bool forced_bg_mode; u8 hwsec_active; bool is_roaming; bool ieee_up; bool cannot_notify; bool bSupportRemoteWakeUp; bool actscanning; bool first_ie_in_scan; bool be_scan_inprogress; bool beinretry; enum rt_rf_power_state rf_power_state; RT_RF_CHANGE_SOURCE rf_off_reason; bool is_set_key; bool wx_set_enc; struct rt_hi_throughput *ht_info; spinlock_t reorder_spinlock; u8 reg_dot11ht_oper_rate_set[16]; u8 reg_dot11tx_ht_oper_rate_set[16]; u8 dot11ht_oper_rate_set[16]; u8 reg_ht_supp_rate_set[16]; u8 ht_curr_op_rate; u8 HTHighestOperaRate; u8 tx_dis_rate_fallback; u8 tx_use_drv_assinged_rate; u8 tx_enable_fw_calc_dur; atomic_t atm_swbw; struct list_head Tx_TS_Admit_List; struct list_head Tx_TS_Pending_List; struct list_head Tx_TS_Unused_List; struct tx_ts_record tx_ts_records[TOTAL_TS_NUM]; struct list_head Rx_TS_Admit_List; struct list_head Rx_TS_Pending_List; struct list_head Rx_TS_Unused_List; struct rx_ts_record rx_ts_records[TOTAL_TS_NUM]; struct rx_reorder_entry RxReorderEntry[128]; struct list_head RxReorder_Unused_List; /* Bookkeeping structures */ struct net_device_stats stats; struct rtllib_softmac_stats softmac_stats; /* Probe / Beacon management */ struct list_head network_free_list; struct list_head network_list; struct rtllib_network *networks; int scans; int scan_age; int iw_mode; /* operating mode (IW_MODE_*) */ spinlock_t lock; spinlock_t wpax_suitlist_lock; int tx_headroom; /* Set to size of any additional room needed at front * of allocated Tx SKBs */ u32 config; /* WEP and other encryption related settings at the device level */ int open_wep; /* Set to 1 to allow unencrypted frames */ int auth_mode; int reset_on_keychange; /* Set to 1 if the HW needs to be reset on * WEP key changes */ int ieee802_1x; /* is IEEE 802.1X used */ /* WPA data */ bool half_wireless_n24g_mode; int wpa_enabled; int drop_unencrypted; int tkip_countermeasures; int privacy_invoked; size_t wpa_ie_len; u8 *wpa_ie; size_t wps_ie_len; u8 *wps_ie; u8 ap_mac_addr[ETH_ALEN]; u16 pairwise_key_type; u16 group_key_type; struct lib80211_crypt_info crypt_info; struct sw_cam_table swcamtable[TOTAL_CAM_ENTRY]; struct rt_pmkid_list pmkid_list[NUM_PMKID_CACHE]; /* Fragmentation structures */ struct rtllib_frag_entry frag_cache[17][RTLLIB_FRAG_CACHE_LEN]; unsigned int frag_next_idx[17]; u16 fts; /* Fragmentation Threshold */ #define DEFAULT_RTS_THRESHOLD 2346U #define MIN_RTS_THRESHOLD 1 #define MAX_RTS_THRESHOLD 2346U u16 rts; /* RTS threshold */ /* Association info */ u8 bssid[ETH_ALEN]; /* This stores infos for the current network. * Either the network we are associated in INFRASTRUCTURE * or the network that we are creating in MASTER mode. * ad-hoc is a mixture ;-). * Note that in infrastructure mode, even when not associated, * fields bssid and essid may be valid (if wpa_set and essid_set * are true) as thy carry the value set by the user via iwconfig */ struct rtllib_network current_network; enum rtl_link_state link_state; int mode; /* A, B, G */ /* used for forcing the ibss workqueue to terminate * without wait for the syncro scan to terminate */ short sync_scan_hurryup; u16 scan_watch_dog; /* map of allowed channels. 0 is dummy */ u8 active_channel_map[MAX_CHANNEL_NUMBER + 1]; int rate; /* current rate */ int basic_rate; /* this contains flags for selectively enable softmac support */ u16 softmac_features; /* if the sequence control field is not filled by HW */ u16 seq_ctrl[5]; /* association procedure transaction sequence number */ u16 associate_seq; /* AID for RTXed association responses */ u16 assoc_id; /* power save mode related*/ u8 ack_tx_to_ieee; short ps; short sta_sleep; int ps_timeout; int ps_period; struct work_struct ps_task; u64 ps_time; bool polling; /* used if IEEE_SOFTMAC_TX_QUEUE is set */ short queue_stop; short scanning_continue; short proto_started; short proto_stoppping; struct mutex wx_mutex; struct mutex scan_mutex; struct mutex ips_mutex; spinlock_t mgmt_tx_lock; spinlock_t beacon_lock; short beacon_txing; short wap_set; short ssid_set; /* set on initialization */ unsigned int wmm_acm; /* for discarding duplicated packets in IBSS */ struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE]; /* for discarding duplicated packets in BSS */ u16 last_rxseq_num[17]; /* rx seq previous per-tid */ u16 last_rxfrag_num[17];/* tx frag previous per-tid */ unsigned long last_packet_time[17]; /* for PS mode */ unsigned long last_rx_ps_time; bool awake_pkt_sent; u8 lps_delay_cnt; /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */ struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM]; int mgmt_queue_head; int mgmt_queue_tail; u8 asoc_retry_count; struct sk_buff_head skb_waitq[MAX_QUEUE_SIZE]; bool bdynamic_txpower_enable; bool bCTSToSelfEnable; u32 fsync_time_interval; u32 fsync_rate_bitmap; u8 fsync_rssi_threshold; bool bfsync_enable; u8 fsync_multiple_timeinterval; u32 fsync_firstdiff_ratethreshold; u32 fsync_seconddiff_ratethreshold; enum fsync_state fsync_state; bool bis_any_nonbepkts; struct bandwidth_autoswitch bandwidth_auto_switch; bool FwRWRF; struct rt_link_detect link_detect_info; bool is_aggregate_frame; struct rt_pwr_save_ctrl pwr_save_ctrl; /* used if IEEE_SOFTMAC_TX_QUEUE is set */ struct tx_pending tx_pending; /* used if IEEE_SOFTMAC_ASSOCIATE is set */ struct timer_list associate_timer; /* used if IEEE_SOFTMAC_BEACONS is set */ u8 need_sw_enc; struct work_struct associate_complete_wq; struct work_struct ips_leave_wq; struct delayed_work associate_procedure_wq; struct delayed_work softmac_scan_wq; struct delayed_work associate_retry_wq; struct delayed_work hw_wakeup_wq; struct delayed_work hw_sleep_wq; struct delayed_work link_change_wq; struct work_struct wx_sync_scan_wq; union { struct rtllib_rxb *rfd_array[REORDER_WIN_SIZE]; struct rtllib_rxb *stats_IndicateArray[REORDER_WIN_SIZE]; struct rtllib_rxb *prxb_indicate_array[REORDER_WIN_SIZE]; struct { struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT]; struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT]; struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT]; }; }; /* Callback functions */ /* Softmac-generated frames (management) are TXed via this * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is * not set. As some cards may have different HW queues that * one might want to use for data and management frames * the option to have two callbacks might be useful. * This function can't sleep. */ int (*softmac_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev); /* used instead of hard_start_xmit (not softmac_hard_start_xmit) * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data * frames. If the option IEEE_SOFTMAC_SINGLE_QUEUE is also set * then also management frames are sent via this callback. * This function can't sleep. */ void (*softmac_data_hard_start_xmit)(struct sk_buff *skb, struct net_device *dev, int rate); /* ask to the driver to retune the radio. * This function can sleep. the driver should ensure * the radio has been switched before return. */ void (*set_chan)(struct net_device *dev, u8 ch); /* indicate the driver that the link state is changed * for example it may indicate the card is associated now. * Driver might be interested in this to apply RX filter * rules or simply light the LINK led */ void (*link_change)(struct net_device *dev); /* power save mode related */ void (*sta_wake_up)(struct net_device *dev); void (*enter_sleep_state)(struct net_device *dev, u64 time); short (*ps_is_queue_empty)(struct net_device *dev); int (*handle_beacon)(struct net_device *dev, struct rtllib_beacon *beacon, struct rtllib_network *network); int (*handle_assoc_response)(struct net_device *dev, struct rtllib_assoc_response_frame *resp, struct rtllib_network *network); /* check whether Tx hw resource available */ short (*check_nic_enough_desc)(struct net_device *dev, int queue_index); void (*set_bw_mode_handler)(struct net_device *dev, enum ht_channel_width bandwidth, enum ht_extchnl_offset Offset); bool (*get_nmode_support_by_sec_cfg)(struct net_device *dev); void (*set_wireless_mode)(struct net_device *dev, u8 wireless_mode); bool (*get_half_nmode_support_by_aps_handler)(struct net_device *dev); u8 (*rtllib_ap_sec_type)(struct rtllib_device *ieee); void (*init_gain_handler)(struct net_device *dev, u8 operation); void (*scan_operation_backup_handler)(struct net_device *dev, u8 operation); void (*set_hw_reg_handler)(struct net_device *dev, u8 variable, u8 *val); void (*allow_all_dest_addr_handler)(struct net_device *dev, bool allow_all_da, bool write_into_reg); void (*rtllib_ips_leave_wq)(struct net_device *dev); void (*rtllib_ips_leave)(struct net_device *dev); void (*leisure_ps_leave)(struct net_device *dev); /* This must be the last item so that it points to the data * allocated beyond this structure by alloc_rtllib */ u8 priv[]; }; #define IEEE_MODE_MASK (WIRELESS_MODE_B | WIRELESS_MODE_G) /* Generate a 802.11 header */ /* Uses the channel change callback directly * instead of [start/stop] scan callbacks */ #define IEEE_SOFTMAC_SCAN (1 << 2) /* Perform authentication and association handshake */ #define IEEE_SOFTMAC_ASSOCIATE (1 << 3) /* Generate probe requests */ #define IEEE_SOFTMAC_PROBERQ (1 << 4) /* Generate response to probe requests */ #define IEEE_SOFTMAC_PROBERS (1 << 5) /* The ieee802.11 stack will manage the netif queue * wake/stop for the driver, taking care of 802.11 * fragmentation. See softmac.c for details. */ #define IEEE_SOFTMAC_TX_QUEUE (1 << 7) /* Uses only the softmac_data_hard_start_xmit * even for TX management frames. */ #define IEEE_SOFTMAC_SINGLE_QUEUE (1 << 8) /* Generate beacons. The stack will enqueue beacons * to the card */ #define IEEE_SOFTMAC_BEACONS (1 << 6) static inline void *rtllib_priv(struct net_device *dev) { return ((struct rtllib_device *)netdev_priv(dev))->priv; } static inline int rtllib_is_empty_essid(const char *essid, int essid_len) { /* Single white space is for Linksys APs */ if (essid_len == 1 && essid[0] == ' ') return 1; /* Otherwise, if the entire essid is 0, we assume it is hidden */ while (essid_len) { essid_len--; if (essid[essid_len] != '\0') return 0; } return 1; } static inline int rtllib_get_hdrlen(u16 fc) { int hdrlen = RTLLIB_3ADDR_LEN; switch (WLAN_FC_GET_TYPE(fc)) { case RTLLIB_FTYPE_DATA: if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) hdrlen = RTLLIB_4ADDR_LEN; /* Addr4 */ if (RTLLIB_QOS_HAS_SEQ(fc)) hdrlen += 2; /* QOS ctrl*/ break; case RTLLIB_FTYPE_CTL: switch (WLAN_FC_GET_STYPE(fc)) { case IEEE80211_STYPE_CTS: case IEEE80211_STYPE_ACK: hdrlen = RTLLIB_1ADDR_LEN; break; default: hdrlen = RTLLIB_2ADDR_LEN; break; } break; } return hdrlen; } static inline int rtllib_is_ofdm_rate(u8 rate) { switch (rate & ~RTLLIB_BASIC_RATE_MASK) { case RTLLIB_OFDM_RATE_6MB: case RTLLIB_OFDM_RATE_9MB: case RTLLIB_OFDM_RATE_12MB: case RTLLIB_OFDM_RATE_18MB: case RTLLIB_OFDM_RATE_24MB: case RTLLIB_OFDM_RATE_36MB: case RTLLIB_OFDM_RATE_48MB: case RTLLIB_OFDM_RATE_54MB: return 1; } return 0; } static inline int rtllib_is_cck_rate(u8 rate) { switch (rate & ~RTLLIB_BASIC_RATE_MASK) { case RTLLIB_CCK_RATE_1MB: case RTLLIB_CCK_RATE_2MB: case RTLLIB_CCK_RATE_5MB: case RTLLIB_CCK_RATE_11MB: return 1; } return 0; } /* rtllib.c */ void free_rtllib(struct net_device *dev); struct net_device *alloc_rtllib(int sizeof_priv); /* rtllib_tx.c */ int rtllib_encrypt_fragment(struct rtllib_device *ieee, struct sk_buff *frag, int hdr_len); netdev_tx_t rtllib_xmit(struct sk_buff *skb, struct net_device *dev); void rtllib_txb_free(struct rtllib_txb *txb); /* rtllib_rx.c */ int rtllib_rx(struct rtllib_device *ieee, struct sk_buff *skb, struct rtllib_rx_stats *rx_stats); int rtllib_legal_channel(struct rtllib_device *rtllib, u8 channel); /* rtllib_wx.c */ int rtllib_wx_get_scan(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *key); int rtllib_wx_set_encode(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *key); int rtllib_wx_get_encode(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *key); int rtllib_wx_set_encode_ext(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_set_auth(struct rtllib_device *ieee, struct iw_request_info *info, struct iw_param *data, char *extra); int rtllib_wx_set_mlme(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len); /* rtllib_softmac.c */ int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb, struct rtllib_rx_stats *rx_stats, u16 type, u16 stype); void rtllib_softmac_new_net(struct rtllib_device *ieee, struct rtllib_network *net); void send_disassociation(struct rtllib_device *ieee, bool deauth, u16 rsn); void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee); int rtllib_softmac_init(struct rtllib_device *ieee); void rtllib_softmac_free(struct rtllib_device *ieee); void rtllib_disassociate(struct rtllib_device *ieee); void rtllib_stop_scan(struct rtllib_device *ieee); bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan); void rtllib_stop_scan_syncro(struct rtllib_device *ieee); void rtllib_start_scan_syncro(struct rtllib_device *ieee); void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr); void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee); void rtllib_start_protocol(struct rtllib_device *ieee); void rtllib_stop_protocol(struct rtllib_device *ieee); void rtllib_enable_net_monitor_mode(struct net_device *dev, bool init_state); void rtllib_disable_net_monitor_mode(struct net_device *dev, bool init_state); void rtllib_softmac_stop_protocol(struct rtllib_device *ieee); void rtllib_softmac_start_protocol(struct rtllib_device *ieee); void rtllib_reset_queue(struct rtllib_device *ieee); void rtllib_wake_all_queues(struct rtllib_device *ieee); void rtllib_stop_all_queues(struct rtllib_device *ieee); void notify_wx_assoc_event(struct rtllib_device *ieee); void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success); void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee); u8 rtllib_ap_sec_type(struct rtllib_device *ieee); /* rtllib_softmac_wx.c */ int rtllib_wx_get_wap(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *ext); int rtllib_wx_set_wap(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *awrq, char *extra); int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); int rtllib_wx_set_rate(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_get_rate(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); int rtllib_wx_set_essid(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *extra); int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a, union iwreq_data *wrqu, char *b); void rtllib_wx_sync_scan_wq(void *data); int rtllib_wx_get_name(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_set_power(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_get_power(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_set_rts(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); int rtllib_wx_get_rts(struct rtllib_device *ieee, struct iw_request_info *info, union iwreq_data *wrqu, char *extra); #define MAX_RECEIVE_BUFFER_SIZE 9100 void ht_set_connect_bw_mode(struct rtllib_device *ieee, enum ht_channel_width bandwidth, enum ht_extchnl_offset Offset); void ht_update_default_setting(struct rtllib_device *ieee); void ht_construct_capability_element(struct rtllib_device *ieee, u8 *pos_ht_cap, u8 *len, u8 is_encrypt, bool assoc); void ht_construct_rt2rt_agg_element(struct rtllib_device *ieee, u8 *posRT2RTAgg, u8 *len); void ht_on_assoc_rsp(struct rtllib_device *ieee); void ht_initialize_ht_info(struct rtllib_device *ieee); void ht_initialize_bss_desc(struct bss_ht *bss_ht); void ht_reset_self_and_save_peer_setting(struct rtllib_device *ieee, struct rtllib_network *network); void HT_update_self_and_peer_setting(struct rtllib_device *ieee, struct rtllib_network *network); u8 ht_get_highest_mcs_rate(struct rtllib_device *ieee, u8 *pMCSRateSet, u8 *pMCSFilter); extern u8 MCS_FILTER_ALL[]; extern u16 MCS_DATA_RATE[2][2][77]; u8 ht_c_check(struct rtllib_device *ieee, u8 *frame); void ht_reset_iot_setting(struct rt_hi_throughput *ht_info); bool is_ht_half_nmode_aps(struct rtllib_device *ieee); u16 tx_count_to_data_rate(struct rtllib_device *ieee, u8 nDataRate); int rtllib_rx_add_ba_req(struct rtllib_device *ieee, struct sk_buff *skb); int rtllib_rx_add_ba_rsp(struct rtllib_device *ieee, struct sk_buff *skb); int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb); void rtllib_ts_init_add_ba(struct rtllib_device *ieee, struct tx_ts_record *ts, u8 policy, u8 overwrite_pending); void rtllib_ts_init_del_ba(struct rtllib_device *ieee, struct ts_common_info *ts_common_info, enum tr_select tx_rx_select); void rtllib_ba_setup_timeout(struct timer_list *t); void rtllib_tx_ba_inact_timeout(struct timer_list *t); void rtllib_rx_ba_inact_timeout(struct timer_list *t); void rtllib_reset_ba_entry(struct ba_record *ba); bool rtllib_get_ts(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *addr, u8 TID, enum tr_select tx_rx_select, bool add_new_ts); void rtllib_ts_init(struct rtllib_device *ieee); void rtllib_ts_start_add_ba_process(struct rtllib_device *ieee, struct tx_ts_record *pTxTS); void remove_peer_ts(struct rtllib_device *ieee, u8 *addr); void remove_all_ts(struct rtllib_device *ieee); static inline const char *escape_essid(const char *essid, u8 essid_len) { static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; if (rtllib_is_empty_essid(essid, essid_len)) { memcpy(escaped, "", sizeof("")); return escaped; } snprintf(escaped, sizeof(escaped), "%*pE", essid_len, essid); return escaped; } /* fun with the built-in rtllib stack... */ bool rtllib_mgnt_disconnect(struct rtllib_device *rtllib, u8 rsn); /* For the function is more related to hardware setting, it's better to use the * ieee handler to refer to it. */ void rtllib_flush_rx_ts_pending_pkts(struct rtllib_device *ieee, struct rx_ts_record *ts); int rtllib_parse_info_param(struct rtllib_device *ieee, struct rtllib_info_element *info_element, u16 length, struct rtllib_network *network, struct rtllib_rx_stats *stats); void rtllib_indicate_packets(struct rtllib_device *ieee, struct rtllib_rxb **prxb_indicate_array, u8 index); #define RT_ASOC_RETRY_LIMIT 5 u8 mgnt_query_tx_rate_exclude_cck_rates(struct rtllib_device *ieee); #endif /* RTLLIB_H */