| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Merged with mainline ieee80211.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 |
| * <j@w1.fi> |
| * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> |
| * |
| * Adaption to a generic IEEE 802.11 stack by James Ketrenos |
| * <jketreno@linux.intel.com> |
| * Copyright (c) 2004-2005, Intel Corporation |
| * |
| * API Version History |
| * 1.0.x -- Initial version |
| * 1.1.x -- Added radiotap, QoS, TIM, libipw_geo APIs, |
| * various structure changes, and crypto API init method |
| */ |
| #ifndef LIBIPW_H |
| #define LIBIPW_H |
| #include <linux/if_ether.h> /* ETH_ALEN */ |
| #include <linux/kernel.h> /* ARRAY_SIZE */ |
| #include <linux/wireless.h> |
| #include <linux/ieee80211.h> |
| |
| #include <net/lib80211.h> |
| #include <net/cfg80211.h> |
| |
| #define LIBIPW_VERSION "git-1.1.13" |
| |
| #define LIBIPW_DATA_LEN 2304 |
| /* 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 LIBIPW_1ADDR_LEN 10 |
| #define LIBIPW_2ADDR_LEN 16 |
| #define LIBIPW_3ADDR_LEN 24 |
| #define LIBIPW_4ADDR_LEN 30 |
| #define LIBIPW_FCS_LEN 4 |
| #define LIBIPW_HLEN (LIBIPW_4ADDR_LEN) |
| #define LIBIPW_FRAME_LEN (LIBIPW_DATA_LEN + LIBIPW_HLEN) |
| |
| #define MIN_FRAG_THRESHOLD 256U |
| #define MAX_FRAG_THRESHOLD 2346U |
| |
| /* QOS control */ |
| #define LIBIPW_QCTL_TID 0x000F |
| |
| /* debug macros */ |
| |
| #ifdef CONFIG_LIBIPW_DEBUG |
| extern u32 libipw_debug_level; |
| #define LIBIPW_DEBUG(level, fmt, args...) \ |
| do { if (libipw_debug_level & (level)) \ |
| printk(KERN_DEBUG "libipw: %s " fmt, __func__ , ## args); } while (0) |
| #else |
| #define LIBIPW_DEBUG(level, fmt, args...) do {} while (0) |
| #endif /* CONFIG_LIBIPW_DEBUG */ |
| |
| /* |
| * To use the debug system: |
| * |
| * If you are defining a new debug classification, simply add it to the #define |
| * list here in the form of: |
| * |
| * #define LIBIPW_DL_xxxx VALUE |
| * |
| * shifting value to the left one bit from the previous entry. xxxx should be |
| * the name of the classification (for example, WEP) |
| * |
| * You then need to either add a LIBIPW_xxxx_DEBUG() macro definition for your |
| * classification, or use LIBIPW_DEBUG(LIBIPW_DL_xxxx, ...) whenever you want |
| * to send output to that classification. |
| * |
| * To add your debug level to the list of levels seen when you perform |
| * |
| * % cat /proc/net/ieee80211/debug_level |
| * |
| * you simply need to add your entry to the libipw_debug_level array. |
| * |
| * If you do not see debug_level in /proc/net/ieee80211 then you do not have |
| * CONFIG_LIBIPW_DEBUG defined in your kernel configuration |
| * |
| */ |
| |
| #define LIBIPW_DL_INFO (1<<0) |
| #define LIBIPW_DL_WX (1<<1) |
| #define LIBIPW_DL_SCAN (1<<2) |
| #define LIBIPW_DL_STATE (1<<3) |
| #define LIBIPW_DL_MGMT (1<<4) |
| #define LIBIPW_DL_FRAG (1<<5) |
| #define LIBIPW_DL_DROP (1<<7) |
| |
| #define LIBIPW_DL_TX (1<<8) |
| #define LIBIPW_DL_RX (1<<9) |
| #define LIBIPW_DL_QOS (1<<31) |
| |
| #define LIBIPW_ERROR(f, a...) printk(KERN_ERR "libipw: " f, ## a) |
| #define LIBIPW_WARNING(f, a...) printk(KERN_WARNING "libipw: " f, ## a) |
| #define LIBIPW_DEBUG_INFO(f, a...) LIBIPW_DEBUG(LIBIPW_DL_INFO, f, ## a) |
| |
| #define LIBIPW_DEBUG_WX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_WX, f, ## a) |
| #define LIBIPW_DEBUG_SCAN(f, a...) LIBIPW_DEBUG(LIBIPW_DL_SCAN, f, ## a) |
| #define LIBIPW_DEBUG_STATE(f, a...) LIBIPW_DEBUG(LIBIPW_DL_STATE, f, ## a) |
| #define LIBIPW_DEBUG_MGMT(f, a...) LIBIPW_DEBUG(LIBIPW_DL_MGMT, f, ## a) |
| #define LIBIPW_DEBUG_FRAG(f, a...) LIBIPW_DEBUG(LIBIPW_DL_FRAG, f, ## a) |
| #define LIBIPW_DEBUG_DROP(f, a...) LIBIPW_DEBUG(LIBIPW_DL_DROP, f, ## a) |
| #define LIBIPW_DEBUG_TX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_TX, f, ## a) |
| #define LIBIPW_DEBUG_RX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_RX, f, ## a) |
| #define LIBIPW_DEBUG_QOS(f, a...) LIBIPW_DEBUG(LIBIPW_DL_QOS, f, ## a) |
| #include <linux/netdevice.h> |
| #include <linux/if_arp.h> /* ARPHRD_ETHER */ |
| |
| #ifndef WIRELESS_SPY |
| #define WIRELESS_SPY /* enable iwspy support */ |
| #endif |
| #include <net/iw_handler.h> /* new driver API */ |
| |
| #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ |
| |
| #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 libipw_snap_hdr { |
| |
| u8 dsap; /* always 0xAA */ |
| u8 ssap; /* always 0xAA */ |
| u8 ctrl; /* always 0x03 */ |
| u8 oui[P80211_OUI_LEN]; /* organizational universal id */ |
| |
| } __packed; |
| |
| #define SNAP_SIZE sizeof(struct libipw_snap_hdr) |
| |
| #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) |
| #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) |
| #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) |
| |
| #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) |
| #define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| |
| #define LIBIPW_STATMASK_SIGNAL (1<<0) |
| #define LIBIPW_STATMASK_RSSI (1<<1) |
| #define LIBIPW_STATMASK_NOISE (1<<2) |
| #define LIBIPW_STATMASK_RATE (1<<3) |
| #define LIBIPW_STATMASK_WEMASK 0x7 |
| |
| #define LIBIPW_CCK_MODULATION (1<<0) |
| #define LIBIPW_OFDM_MODULATION (1<<1) |
| |
| #define LIBIPW_24GHZ_BAND (1<<0) |
| #define LIBIPW_52GHZ_BAND (1<<1) |
| |
| #define LIBIPW_CCK_RATE_1MB 0x02 |
| #define LIBIPW_CCK_RATE_2MB 0x04 |
| #define LIBIPW_CCK_RATE_5MB 0x0B |
| #define LIBIPW_CCK_RATE_11MB 0x16 |
| #define LIBIPW_OFDM_RATE_6MB 0x0C |
| #define LIBIPW_OFDM_RATE_9MB 0x12 |
| #define LIBIPW_OFDM_RATE_12MB 0x18 |
| #define LIBIPW_OFDM_RATE_18MB 0x24 |
| #define LIBIPW_OFDM_RATE_24MB 0x30 |
| #define LIBIPW_OFDM_RATE_36MB 0x48 |
| #define LIBIPW_OFDM_RATE_48MB 0x60 |
| #define LIBIPW_OFDM_RATE_54MB 0x6C |
| #define LIBIPW_BASIC_RATE_MASK 0x80 |
| |
| #define LIBIPW_CCK_RATE_1MB_MASK (1<<0) |
| #define LIBIPW_CCK_RATE_2MB_MASK (1<<1) |
| #define LIBIPW_CCK_RATE_5MB_MASK (1<<2) |
| #define LIBIPW_CCK_RATE_11MB_MASK (1<<3) |
| #define LIBIPW_OFDM_RATE_6MB_MASK (1<<4) |
| #define LIBIPW_OFDM_RATE_9MB_MASK (1<<5) |
| #define LIBIPW_OFDM_RATE_12MB_MASK (1<<6) |
| #define LIBIPW_OFDM_RATE_18MB_MASK (1<<7) |
| #define LIBIPW_OFDM_RATE_24MB_MASK (1<<8) |
| #define LIBIPW_OFDM_RATE_36MB_MASK (1<<9) |
| #define LIBIPW_OFDM_RATE_48MB_MASK (1<<10) |
| #define LIBIPW_OFDM_RATE_54MB_MASK (1<<11) |
| |
| #define LIBIPW_CCK_RATES_MASK 0x0000000F |
| #define LIBIPW_CCK_BASIC_RATES_MASK (LIBIPW_CCK_RATE_1MB_MASK | \ |
| LIBIPW_CCK_RATE_2MB_MASK) |
| #define LIBIPW_CCK_DEFAULT_RATES_MASK (LIBIPW_CCK_BASIC_RATES_MASK | \ |
| LIBIPW_CCK_RATE_5MB_MASK | \ |
| LIBIPW_CCK_RATE_11MB_MASK) |
| |
| #define LIBIPW_OFDM_RATES_MASK 0x00000FF0 |
| #define LIBIPW_OFDM_BASIC_RATES_MASK (LIBIPW_OFDM_RATE_6MB_MASK | \ |
| LIBIPW_OFDM_RATE_12MB_MASK | \ |
| LIBIPW_OFDM_RATE_24MB_MASK) |
| #define LIBIPW_OFDM_DEFAULT_RATES_MASK (LIBIPW_OFDM_BASIC_RATES_MASK | \ |
| LIBIPW_OFDM_RATE_9MB_MASK | \ |
| LIBIPW_OFDM_RATE_18MB_MASK | \ |
| LIBIPW_OFDM_RATE_36MB_MASK | \ |
| LIBIPW_OFDM_RATE_48MB_MASK | \ |
| LIBIPW_OFDM_RATE_54MB_MASK) |
| #define LIBIPW_DEFAULT_RATES_MASK (LIBIPW_OFDM_DEFAULT_RATES_MASK | \ |
| LIBIPW_CCK_DEFAULT_RATES_MASK) |
| |
| #define LIBIPW_NUM_OFDM_RATES 8 |
| #define LIBIPW_NUM_CCK_RATES 4 |
| #define LIBIPW_OFDM_SHIFT_MASK_A 4 |
| |
| /* NOTE: This data is for statistical purposes; not all hardware provides this |
| * information for frames received. |
| * For libipw_rx_mgt, you need to set at least the 'len' parameter. |
| */ |
| struct libipw_rx_stats { |
| u32 mac_time; |
| s8 rssi; |
| u8 signal; |
| u8 noise; |
| u16 rate; /* in 100 kbps */ |
| u8 received_channel; |
| u8 control; |
| u8 mask; |
| u8 freq; |
| u16 len; |
| u64 tsf; |
| u32 beacon_time; |
| }; |
| |
| /* 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 LIBIPW_FRAG_CACHE_LEN 4 |
| |
| struct libipw_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 libipw_stats { |
| unsigned int tx_unicast_frames; |
| unsigned int tx_multicast_frames; |
| unsigned int tx_fragments; |
| unsigned int tx_unicast_octets; |
| unsigned int tx_multicast_octets; |
| unsigned int tx_deferred_transmissions; |
| unsigned int tx_single_retry_frames; |
| unsigned int tx_multiple_retry_frames; |
| unsigned int tx_retry_limit_exceeded; |
| unsigned int tx_discards; |
| unsigned int rx_unicast_frames; |
| unsigned int rx_multicast_frames; |
| unsigned int rx_fragments; |
| unsigned int rx_unicast_octets; |
| unsigned int rx_multicast_octets; |
| unsigned int rx_fcs_errors; |
| unsigned int rx_discards_no_buffer; |
| unsigned int tx_discards_wrong_sa; |
| unsigned int rx_discards_undecryptable; |
| unsigned int rx_message_in_msg_fragments; |
| unsigned int rx_message_in_bad_msg_fragments; |
| }; |
| |
| struct libipw_device; |
| |
| #define SEC_KEY_1 (1<<0) |
| #define SEC_KEY_2 (1<<1) |
| #define SEC_KEY_3 (1<<2) |
| #define SEC_KEY_4 (1<<3) |
| #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_ENCRYPT (1<<9) |
| |
| #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 3 |
| |
| #define WEP_KEYS 4 |
| #define WEP_KEY_LEN 13 |
| #define SCM_KEY_LEN 32 |
| #define SCM_TEMPORAL_KEY_LENGTH 16 |
| |
| struct libipw_security { |
| u16 active_key:2, enabled:1, unicast_uses_group:1, encrypt:1; |
| u8 auth_mode; |
| u8 encode_alg[WEP_KEYS]; |
| u8 key_sizes[WEP_KEYS]; |
| u8 keys[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 |
| |
| */ |
| |
| #define BEACON_PROBE_SSID_ID_POSITION 12 |
| |
| struct libipw_hdr_1addr { |
| __le16 frame_ctl; |
| __le16 duration_id; |
| u8 addr1[ETH_ALEN]; |
| u8 payload[]; |
| } __packed; |
| |
| struct libipw_hdr_2addr { |
| __le16 frame_ctl; |
| __le16 duration_id; |
| u8 addr1[ETH_ALEN]; |
| u8 addr2[ETH_ALEN]; |
| u8 payload[]; |
| } __packed; |
| |
| struct libipw_hdr_3addr { |
| __le16 frame_ctl; |
| __le16 duration_id; |
| u8 addr1[ETH_ALEN]; |
| u8 addr2[ETH_ALEN]; |
| u8 addr3[ETH_ALEN]; |
| __le16 seq_ctl; |
| u8 payload[]; |
| } __packed; |
| |
| struct libipw_hdr_4addr { |
| __le16 frame_ctl; |
| __le16 duration_id; |
| u8 addr1[ETH_ALEN]; |
| u8 addr2[ETH_ALEN]; |
| u8 addr3[ETH_ALEN]; |
| __le16 seq_ctl; |
| u8 addr4[ETH_ALEN]; |
| u8 payload[]; |
| } __packed; |
| |
| struct libipw_hdr_3addrqos { |
| __le16 frame_ctl; |
| __le16 duration_id; |
| u8 addr1[ETH_ALEN]; |
| u8 addr2[ETH_ALEN]; |
| u8 addr3[ETH_ALEN]; |
| __le16 seq_ctl; |
| u8 payload[0]; |
| __le16 qos_ctl; |
| } __packed; |
| |
| struct libipw_info_element { |
| u8 id; |
| u8 len; |
| u8 data[]; |
| } __packed; |
| |
| /* |
| * 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; |
| */ |
| |
| struct libipw_auth { |
| struct libipw_hdr_3addr header; |
| __le16 algorithm; |
| __le16 transaction; |
| __le16 status; |
| /* challenge */ |
| u8 variable[]; |
| } __packed; |
| |
| struct libipw_channel_switch { |
| u8 id; |
| u8 len; |
| u8 mode; |
| u8 channel; |
| u8 count; |
| } __packed; |
| |
| struct libipw_action { |
| struct libipw_hdr_3addr header; |
| u8 category; |
| u8 action; |
| union { |
| struct libipw_action_exchange { |
| u8 token; |
| } exchange; |
| struct libipw_channel_switch channel_switch; |
| |
| } format; |
| } __packed; |
| |
| struct libipw_disassoc { |
| struct libipw_hdr_3addr header; |
| __le16 reason; |
| } __packed; |
| |
| /* Alias deauth for disassoc */ |
| #define libipw_deauth libipw_disassoc |
| |
| struct libipw_probe_request { |
| struct libipw_hdr_3addr header; |
| /* SSID, supported rates */ |
| u8 variable[]; |
| } __packed; |
| |
| struct libipw_probe_response { |
| struct libipw_hdr_3addr header; |
| __le32 time_stamp[2]; |
| __le16 beacon_interval; |
| __le16 capability; |
| /* SSID, supported rates, FH params, DS params, |
| * CF params, IBSS params, TIM (if beacon), RSN */ |
| u8 variable[]; |
| } __packed; |
| |
| /* Alias beacon for probe_response */ |
| #define libipw_beacon libipw_probe_response |
| |
| struct libipw_assoc_request { |
| struct libipw_hdr_3addr header; |
| __le16 capability; |
| __le16 listen_interval; |
| /* SSID, supported rates, RSN */ |
| u8 variable[]; |
| } __packed; |
| |
| struct libipw_reassoc_request { |
| struct libipw_hdr_3addr header; |
| __le16 capability; |
| __le16 listen_interval; |
| u8 current_ap[ETH_ALEN]; |
| u8 variable[]; |
| } __packed; |
| |
| struct libipw_assoc_response { |
| struct libipw_hdr_3addr header; |
| __le16 capability; |
| __le16 status; |
| __le16 aid; |
| /* supported rates */ |
| u8 variable[]; |
| } __packed; |
| |
| struct libipw_txb { |
| u8 nr_frags; |
| u8 encrypted; |
| u8 rts_included; |
| u8 reserved; |
| u16 frag_size; |
| u16 payload_size; |
| struct sk_buff *fragments[] __counted_by(nr_frags); |
| }; |
| |
| /* SWEEP TABLE ENTRIES NUMBER */ |
| #define MAX_SWEEP_TAB_ENTRIES 42 |
| #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 |
| /* 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 128 |
| |
| #define CRC_LENGTH 4U |
| |
| #define MAX_WPA_IE_LEN 64 |
| |
| #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_POWER_CONSTRAINT (1<<5) |
| #define NETWORK_HAS_CSA (1<<6) |
| #define NETWORK_HAS_QUIET (1<<7) |
| #define NETWORK_HAS_IBSS_DFS (1<<8) |
| #define NETWORK_HAS_TPC_REPORT (1<<9) |
| |
| #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 |
| #define QOS_AIFSN_MIN_VALUE 2 |
| |
| struct libipw_qos_information_element { |
| u8 elementID; |
| u8 length; |
| u8 qui[QOS_OUI_LEN]; |
| u8 qui_type; |
| u8 qui_subtype; |
| u8 version; |
| u8 ac_info; |
| } __packed; |
| |
| struct libipw_qos_ac_parameter { |
| u8 aci_aifsn; |
| u8 ecw_min_max; |
| __le16 tx_op_limit; |
| } __packed; |
| |
| struct libipw_qos_parameter_info { |
| struct libipw_qos_information_element info_element; |
| u8 reserved; |
| struct libipw_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM]; |
| } __packed; |
| |
| struct libipw_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 libipw_qos_data { |
| struct libipw_qos_parameters parameters; |
| int active; |
| int supported; |
| u8 param_count; |
| u8 old_param_count; |
| }; |
| |
| struct libipw_tim_parameters { |
| u8 tim_count; |
| u8 tim_period; |
| } __packed; |
| |
| /*******************************************************/ |
| |
| struct libipw_tpc_report { |
| u8 transmit_power; |
| u8 link_margin; |
| } __packed; |
| |
| struct libipw_channel_map { |
| u8 channel; |
| u8 map; |
| } __packed; |
| |
| struct libipw_ibss_dfs { |
| struct libipw_info_element ie; |
| u8 owner[ETH_ALEN]; |
| u8 recovery_interval; |
| struct libipw_channel_map channel_map[]; |
| }; |
| |
| struct libipw_csa { |
| u8 mode; |
| u8 channel; |
| u8 count; |
| } __packed; |
| |
| struct libipw_quiet { |
| u8 count; |
| u8 period; |
| u8 duration; |
| u8 offset; |
| } __packed; |
| |
| struct libipw_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; |
| |
| struct libipw_qos_data qos_data; |
| |
| /* These are network statistics */ |
| struct libipw_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 last_associate; |
| 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; |
| struct libipw_tim_parameters tim; |
| |
| /* 802.11h info */ |
| |
| /* Power Constraint - mandatory if spctrm mgmt required */ |
| u8 power_constraint; |
| |
| /* TPC Report - mandatory if spctrm mgmt required */ |
| struct libipw_tpc_report tpc_report; |
| |
| /* Channel Switch Announcement - optional if spctrm mgmt required */ |
| struct libipw_csa csa; |
| |
| /* Quiet - optional if spctrm mgmt required */ |
| struct libipw_quiet quiet; |
| |
| struct list_head list; |
| }; |
| |
| enum libipw_state { |
| LIBIPW_UNINITIALIZED = 0, |
| LIBIPW_INITIALIZED, |
| LIBIPW_ASSOCIATING, |
| LIBIPW_ASSOCIATED, |
| LIBIPW_AUTHENTICATING, |
| LIBIPW_AUTHENTICATED, |
| LIBIPW_SHUTDOWN |
| }; |
| |
| #define DEFAULT_MAX_SCAN_AGE (15 * HZ) |
| #define DEFAULT_FTS 2346 |
| |
| #define CFG_LIBIPW_RESERVE_FCS (1<<0) |
| #define CFG_LIBIPW_COMPUTE_FCS (1<<1) |
| #define CFG_LIBIPW_RTS (1<<2) |
| |
| #define LIBIPW_24GHZ_MIN_CHANNEL 1 |
| #define LIBIPW_24GHZ_MAX_CHANNEL 14 |
| #define LIBIPW_24GHZ_CHANNELS (LIBIPW_24GHZ_MAX_CHANNEL - \ |
| LIBIPW_24GHZ_MIN_CHANNEL + 1) |
| |
| #define LIBIPW_52GHZ_MIN_CHANNEL 34 |
| #define LIBIPW_52GHZ_MAX_CHANNEL 165 |
| #define LIBIPW_52GHZ_CHANNELS (LIBIPW_52GHZ_MAX_CHANNEL - \ |
| LIBIPW_52GHZ_MIN_CHANNEL + 1) |
| |
| enum { |
| LIBIPW_CH_PASSIVE_ONLY = (1 << 0), |
| LIBIPW_CH_80211H_RULES = (1 << 1), |
| LIBIPW_CH_B_ONLY = (1 << 2), |
| LIBIPW_CH_NO_IBSS = (1 << 3), |
| LIBIPW_CH_UNIFORM_SPREADING = (1 << 4), |
| LIBIPW_CH_RADAR_DETECT = (1 << 5), |
| LIBIPW_CH_INVALID = (1 << 6), |
| }; |
| |
| struct libipw_channel { |
| u32 freq; /* in MHz */ |
| u8 channel; |
| u8 flags; |
| u8 max_power; /* in dBm */ |
| }; |
| |
| struct libipw_geo { |
| u8 name[4]; |
| u8 bg_channels; |
| u8 a_channels; |
| struct libipw_channel bg[LIBIPW_24GHZ_CHANNELS]; |
| struct libipw_channel a[LIBIPW_52GHZ_CHANNELS]; |
| }; |
| |
| struct libipw_device { |
| struct net_device *dev; |
| struct wireless_dev wdev; |
| struct libipw_security sec; |
| |
| /* Bookkeeping structures */ |
| struct libipw_stats ieee_stats; |
| |
| struct libipw_geo geo; |
| struct ieee80211_supported_band bg_band; |
| struct ieee80211_supported_band a_band; |
| |
| /* Probe / Beacon management */ |
| struct list_head network_free_list; |
| struct list_head network_list; |
| struct libipw_network *networks[MAX_NETWORK_COUNT]; |
| int scans; |
| int scan_age; |
| |
| int iw_mode; /* operating mode (IW_MODE_*) */ |
| struct iw_spy_data spy_data; /* iwspy support */ |
| |
| spinlock_t 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 */ |
| |
| /* If the host performs {en,de}cryption, then set to 1 */ |
| int host_encrypt; |
| int host_encrypt_msdu; |
| int host_decrypt; |
| /* host performs multicast decryption */ |
| int host_mc_decrypt; |
| |
| /* host should strip IV and ICV from protected frames */ |
| /* meaningful only when hardware decryption is being used */ |
| int host_strip_iv_icv; |
| |
| int host_open_frag; |
| int ieee802_1x; /* is IEEE 802.1X used */ |
| |
| /* WPA data */ |
| int wpa_enabled; |
| int drop_unencrypted; |
| int privacy_invoked; |
| size_t wpa_ie_len; |
| u8 *wpa_ie; |
| |
| struct lib80211_crypt_info crypt_info; |
| |
| int bcrx_sta_key; /* use individual keys to override default keys even |
| * with RX of broad/multicast frames */ |
| |
| /* Fragmentation structures */ |
| struct libipw_frag_entry frag_cache[LIBIPW_FRAG_CACHE_LEN]; |
| unsigned int frag_next_idx; |
| u16 fts; /* Fragmentation Threshold */ |
| u16 rts; /* RTS threshold */ |
| |
| /* Association info */ |
| u8 bssid[ETH_ALEN]; |
| |
| enum libipw_state state; |
| |
| int mode; /* A, B, G */ |
| int modulation; /* CCK, OFDM */ |
| int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ |
| int abg_true; /* ABG flag */ |
| |
| int perfect_rssi; |
| int worst_rssi; |
| |
| u16 prev_seq_ctl; /* used to drop duplicate frames */ |
| |
| /* Callback functions */ |
| void (*set_security) (struct net_device * dev, |
| struct libipw_security * sec); |
| netdev_tx_t (*hard_start_xmit) (struct libipw_txb * txb, |
| struct net_device * dev, int pri); |
| int (*is_queue_full) (struct net_device * dev, int pri); |
| |
| int (*handle_management) (struct net_device * dev, |
| struct libipw_network * network, u16 type); |
| int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb); |
| |
| /* Typical STA methods */ |
| int (*handle_auth) (struct net_device * dev, |
| struct libipw_auth * auth); |
| int (*handle_deauth) (struct net_device * dev, |
| struct libipw_deauth * auth); |
| int (*handle_action) (struct net_device * dev, |
| struct libipw_action * action, |
| struct libipw_rx_stats * stats); |
| int (*handle_disassoc) (struct net_device * dev, |
| struct libipw_disassoc * assoc); |
| int (*handle_beacon) (struct net_device * dev, |
| struct libipw_beacon * beacon, |
| struct libipw_network * network); |
| int (*handle_probe_response) (struct net_device * dev, |
| struct libipw_probe_response * resp, |
| struct libipw_network * network); |
| int (*handle_probe_request) (struct net_device * dev, |
| struct libipw_probe_request * req, |
| struct libipw_rx_stats * stats); |
| int (*handle_assoc_response) (struct net_device * dev, |
| struct libipw_assoc_response * resp, |
| struct libipw_network * network); |
| |
| /* Typical AP methods */ |
| int (*handle_assoc_request) (struct net_device * dev); |
| int (*handle_reassoc_request) (struct net_device * dev, |
| struct libipw_reassoc_request * req); |
| |
| /* This must be the last item so that it points to the data |
| * allocated beyond this structure by alloc_libipw */ |
| u8 priv[]; |
| }; |
| |
| #define IEEE_A (1<<0) |
| #define IEEE_B (1<<1) |
| #define IEEE_G (1<<2) |
| #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) |
| |
| static inline void *libipw_priv(struct net_device *dev) |
| { |
| return ((struct libipw_device *)netdev_priv(dev))->priv; |
| } |
| |
| static inline int libipw_is_valid_mode(struct libipw_device *ieee, |
| int mode) |
| { |
| /* |
| * It is possible for both access points and our device to support |
| * combinations of modes, so as long as there is one valid combination |
| * of ap/device supported modes, then return success |
| * |
| */ |
| if ((mode & IEEE_A) && |
| (ieee->modulation & LIBIPW_OFDM_MODULATION) && |
| (ieee->freq_band & LIBIPW_52GHZ_BAND)) |
| return 1; |
| |
| if ((mode & IEEE_G) && |
| (ieee->modulation & LIBIPW_OFDM_MODULATION) && |
| (ieee->freq_band & LIBIPW_24GHZ_BAND)) |
| return 1; |
| |
| if ((mode & IEEE_B) && |
| (ieee->modulation & LIBIPW_CCK_MODULATION) && |
| (ieee->freq_band & LIBIPW_24GHZ_BAND)) |
| return 1; |
| |
| return 0; |
| } |
| |
| static inline int libipw_get_hdrlen(u16 fc) |
| { |
| int hdrlen = LIBIPW_3ADDR_LEN; |
| u16 stype = WLAN_FC_GET_STYPE(fc); |
| |
| switch (WLAN_FC_GET_TYPE(fc)) { |
| case IEEE80211_FTYPE_DATA: |
| if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) |
| hdrlen = LIBIPW_4ADDR_LEN; |
| if (stype & IEEE80211_STYPE_QOS_DATA) |
| hdrlen += 2; |
| break; |
| case IEEE80211_FTYPE_CTL: |
| switch (WLAN_FC_GET_STYPE(fc)) { |
| case IEEE80211_STYPE_CTS: |
| case IEEE80211_STYPE_ACK: |
| hdrlen = LIBIPW_1ADDR_LEN; |
| break; |
| default: |
| hdrlen = LIBIPW_2ADDR_LEN; |
| break; |
| } |
| break; |
| } |
| |
| return hdrlen; |
| } |
| |
| static inline u8 *libipw_get_payload(struct ieee80211_hdr *hdr) |
| { |
| switch (libipw_get_hdrlen(le16_to_cpu(hdr->frame_control))) { |
| case LIBIPW_1ADDR_LEN: |
| return ((struct libipw_hdr_1addr *)hdr)->payload; |
| case LIBIPW_2ADDR_LEN: |
| return ((struct libipw_hdr_2addr *)hdr)->payload; |
| case LIBIPW_3ADDR_LEN: |
| return ((struct libipw_hdr_3addr *)hdr)->payload; |
| case LIBIPW_4ADDR_LEN: |
| return ((struct libipw_hdr_4addr *)hdr)->payload; |
| } |
| return NULL; |
| } |
| |
| static inline int libipw_is_ofdm_rate(u8 rate) |
| { |
| switch (rate & ~LIBIPW_BASIC_RATE_MASK) { |
| case LIBIPW_OFDM_RATE_6MB: |
| case LIBIPW_OFDM_RATE_9MB: |
| case LIBIPW_OFDM_RATE_12MB: |
| case LIBIPW_OFDM_RATE_18MB: |
| case LIBIPW_OFDM_RATE_24MB: |
| case LIBIPW_OFDM_RATE_36MB: |
| case LIBIPW_OFDM_RATE_48MB: |
| case LIBIPW_OFDM_RATE_54MB: |
| return 1; |
| } |
| return 0; |
| } |
| |
| static inline int libipw_is_cck_rate(u8 rate) |
| { |
| switch (rate & ~LIBIPW_BASIC_RATE_MASK) { |
| case LIBIPW_CCK_RATE_1MB: |
| case LIBIPW_CCK_RATE_2MB: |
| case LIBIPW_CCK_RATE_5MB: |
| case LIBIPW_CCK_RATE_11MB: |
| return 1; |
| } |
| return 0; |
| } |
| |
| /* libipw.c */ |
| void free_libipw(struct net_device *dev, int monitor); |
| struct net_device *alloc_libipw(int sizeof_priv, int monitor); |
| |
| void libipw_networks_age(struct libipw_device *ieee, unsigned long age_secs); |
| |
| int libipw_set_encryption(struct libipw_device *ieee); |
| |
| /* libipw_tx.c */ |
| netdev_tx_t libipw_xmit(struct sk_buff *skb, struct net_device *dev); |
| void libipw_txb_free(struct libipw_txb *); |
| |
| /* libipw_rx.c */ |
| void libipw_rx_any(struct libipw_device *ieee, struct sk_buff *skb, |
| struct libipw_rx_stats *stats); |
| int libipw_rx(struct libipw_device *ieee, struct sk_buff *skb, |
| struct libipw_rx_stats *rx_stats); |
| /* make sure to set stats->len */ |
| void libipw_rx_mgt(struct libipw_device *ieee, struct libipw_hdr_4addr *header, |
| struct libipw_rx_stats *stats); |
| |
| /* libipw_geo.c */ |
| const struct libipw_geo *libipw_get_geo(struct libipw_device *ieee); |
| void libipw_set_geo(struct libipw_device *ieee, const struct libipw_geo *geo); |
| |
| int libipw_is_valid_channel(struct libipw_device *ieee, u8 channel); |
| int libipw_channel_to_index(struct libipw_device *ieee, u8 channel); |
| u8 libipw_freq_to_channel(struct libipw_device *ieee, u32 freq); |
| u8 libipw_get_channel_flags(struct libipw_device *ieee, u8 channel); |
| const struct libipw_channel *libipw_get_channel(struct libipw_device *ieee, |
| u8 channel); |
| u32 libipw_channel_to_freq(struct libipw_device *ieee, u8 channel); |
| |
| /* libipw_wx.c */ |
| int libipw_wx_get_scan(struct libipw_device *ieee, struct iw_request_info *info, |
| union iwreq_data *wrqu, char *key); |
| int libipw_wx_set_encode(struct libipw_device *ieee, |
| struct iw_request_info *info, union iwreq_data *wrqu, |
| char *key); |
| int libipw_wx_get_encode(struct libipw_device *ieee, |
| struct iw_request_info *info, union iwreq_data *wrqu, |
| char *key); |
| int libipw_wx_set_encodeext(struct libipw_device *ieee, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra); |
| int libipw_wx_get_encodeext(struct libipw_device *ieee, |
| struct iw_request_info *info, |
| union iwreq_data *wrqu, char *extra); |
| |
| static inline void libipw_increment_scans(struct libipw_device *ieee) |
| { |
| ieee->scans++; |
| } |
| |
| static inline int libipw_get_scans(struct libipw_device *ieee) |
| { |
| return ieee->scans; |
| } |
| |
| #endif /* LIBIPW_H */ |