| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Christoph Hellwig | 1376 | 42.12% | 1 | 1.85% |
| James Ketrenos | 1040 | 31.83% | 21 | 38.89% |
| John W. Linville | 355 | 10.87% | 5 | 9.26% |
| Yi Zhu | 299 | 9.15% | 7 | 12.96% |
| Ivo van Doorn | 70 | 2.14% | 1 | 1.85% |
| Eric Dumazet | 27 | 0.83% | 1 | 1.85% |
| Daniel Drake | 25 | 0.77% | 3 | 5.56% |
| Larry Finger | 23 | 0.70% | 3 | 5.56% |
| Jiri Benc | 13 | 0.40% | 2 | 3.70% |
| Dan J Williams | 11 | 0.34% | 1 | 1.85% |
| Pavel Roskin | 7 | 0.21% | 1 | 1.85% |
| Jeff Garzik | 6 | 0.18% | 1 | 1.85% |
| Al Viro | 3 | 0.09% | 1 | 1.85% |
| Andrew Morton | 3 | 0.09% | 1 | 1.85% |
| Adrian Bunk | 3 | 0.09% | 1 | 1.85% |
| Helmut Schaa | 2 | 0.06% | 1 | 1.85% |
| Stephen Hemminger | 2 | 0.06% | 1 | 1.85% |
| Stanislav Yakovlev | 1 | 0.03% | 1 | 1.85% |
| Johannes Berg | 1 | 0.03% | 1 | 1.85% |
| Total | 3267 | 54 |
/* * 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 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. See README and COPYING for * more details. * * 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: %c %s " fmt, \ in_interrupt() ? 'I' : 'U', __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[0]; } __packed; struct libipw_hdr_2addr { __le16 frame_ctl; __le16 duration_id; u8 addr1[ETH_ALEN]; u8 addr2[ETH_ALEN]; u8 payload[0]; } __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[0]; } __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[0]; } __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[0]; } __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 */ struct libipw_info_element info_element[0]; } __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; struct libipw_info_element info_element[0]; } 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 */ struct libipw_info_element info_element[0]; } __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 */ struct libipw_info_element info_element[0]; } __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 */ struct libipw_info_element info_element[0]; } __packed; struct libipw_reassoc_request { struct libipw_hdr_3addr header; __le16 capability; __le16 listen_interval; u8 current_ap[ETH_ALEN]; struct libipw_info_element info_element[0]; } __packed; struct libipw_assoc_response { struct libipw_hdr_3addr header; __le16 capability; __le16 status; __le16 aid; /* supported rates */ struct libipw_info_element info_element[0]; } __packed; struct libipw_txb { u8 nr_frags; u8 encrypted; u8 rts_included; u8 reserved; u16 frag_size; u16 payload_size; struct sk_buff *fragments[0]; }; /* 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[0]; }; 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[0]; }; #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 */
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