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1002 lines
27 KiB
1002 lines
27 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11 |
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* remains copyright by the original authors |
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* |
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* Portions of the merged code are based on Host AP (software wireless |
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* LAN access point) driver for Intersil Prism2/2.5/3. |
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* |
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* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen |
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* <[email protected]> |
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* Copyright (c) 2002-2003, Jouni Malinen <[email protected]> |
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* |
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* Adaption to a generic IEEE 802.11 stack by James Ketrenos |
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* <[email protected]> |
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* Copyright (c) 2004-2005, Intel Corporation |
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* |
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* API Version History |
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* 1.0.x -- Initial version |
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* 1.1.x -- Added radiotap, QoS, TIM, libipw_geo APIs, |
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* various structure changes, and crypto API init method |
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*/ |
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#ifndef LIBIPW_H |
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#define LIBIPW_H |
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#include <linux/if_ether.h> /* ETH_ALEN */ |
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#include <linux/kernel.h> /* ARRAY_SIZE */ |
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#include <linux/wireless.h> |
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#include <linux/ieee80211.h> |
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#include <net/lib80211.h> |
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#include <net/cfg80211.h> |
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#define LIBIPW_VERSION "git-1.1.13" |
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#define LIBIPW_DATA_LEN 2304 |
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/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section |
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6.2.1.1.2. |
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The figure in section 7.1.2 suggests a body size of up to 2312 |
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bytes is allowed, which is a bit confusing, I suspect this |
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represents the 2304 bytes of real data, plus a possible 8 bytes of |
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WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ |
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#define LIBIPW_1ADDR_LEN 10 |
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#define LIBIPW_2ADDR_LEN 16 |
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#define LIBIPW_3ADDR_LEN 24 |
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#define LIBIPW_4ADDR_LEN 30 |
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#define LIBIPW_FCS_LEN 4 |
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#define LIBIPW_HLEN (LIBIPW_4ADDR_LEN) |
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#define LIBIPW_FRAME_LEN (LIBIPW_DATA_LEN + LIBIPW_HLEN) |
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#define MIN_FRAG_THRESHOLD 256U |
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#define MAX_FRAG_THRESHOLD 2346U |
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/* QOS control */ |
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#define LIBIPW_QCTL_TID 0x000F |
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/* debug macros */ |
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#ifdef CONFIG_LIBIPW_DEBUG |
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extern u32 libipw_debug_level; |
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#define LIBIPW_DEBUG(level, fmt, args...) \ |
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do { if (libipw_debug_level & (level)) \ |
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printk(KERN_DEBUG "libipw: %s " fmt, __func__ , ## args); } while (0) |
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#else |
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#define LIBIPW_DEBUG(level, fmt, args...) do {} while (0) |
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#endif /* CONFIG_LIBIPW_DEBUG */ |
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/* |
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* To use the debug system: |
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* |
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* If you are defining a new debug classification, simply add it to the #define |
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* list here in the form of: |
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* |
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* #define LIBIPW_DL_xxxx VALUE |
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* |
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* shifting value to the left one bit from the previous entry. xxxx should be |
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* the name of the classification (for example, WEP) |
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* |
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* You then need to either add a LIBIPW_xxxx_DEBUG() macro definition for your |
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* classification, or use LIBIPW_DEBUG(LIBIPW_DL_xxxx, ...) whenever you want |
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* to send output to that classification. |
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* |
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* To add your debug level to the list of levels seen when you perform |
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* |
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* % cat /proc/net/ieee80211/debug_level |
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* |
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* you simply need to add your entry to the libipw_debug_level array. |
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* |
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* If you do not see debug_level in /proc/net/ieee80211 then you do not have |
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* CONFIG_LIBIPW_DEBUG defined in your kernel configuration |
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* |
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*/ |
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#define LIBIPW_DL_INFO (1<<0) |
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#define LIBIPW_DL_WX (1<<1) |
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#define LIBIPW_DL_SCAN (1<<2) |
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#define LIBIPW_DL_STATE (1<<3) |
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#define LIBIPW_DL_MGMT (1<<4) |
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#define LIBIPW_DL_FRAG (1<<5) |
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#define LIBIPW_DL_DROP (1<<7) |
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#define LIBIPW_DL_TX (1<<8) |
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#define LIBIPW_DL_RX (1<<9) |
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#define LIBIPW_DL_QOS (1<<31) |
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#define LIBIPW_ERROR(f, a...) printk(KERN_ERR "libipw: " f, ## a) |
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#define LIBIPW_WARNING(f, a...) printk(KERN_WARNING "libipw: " f, ## a) |
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#define LIBIPW_DEBUG_INFO(f, a...) LIBIPW_DEBUG(LIBIPW_DL_INFO, f, ## a) |
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#define LIBIPW_DEBUG_WX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_WX, f, ## a) |
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#define LIBIPW_DEBUG_SCAN(f, a...) LIBIPW_DEBUG(LIBIPW_DL_SCAN, f, ## a) |
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#define LIBIPW_DEBUG_STATE(f, a...) LIBIPW_DEBUG(LIBIPW_DL_STATE, f, ## a) |
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#define LIBIPW_DEBUG_MGMT(f, a...) LIBIPW_DEBUG(LIBIPW_DL_MGMT, f, ## a) |
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#define LIBIPW_DEBUG_FRAG(f, a...) LIBIPW_DEBUG(LIBIPW_DL_FRAG, f, ## a) |
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#define LIBIPW_DEBUG_DROP(f, a...) LIBIPW_DEBUG(LIBIPW_DL_DROP, f, ## a) |
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#define LIBIPW_DEBUG_TX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_TX, f, ## a) |
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#define LIBIPW_DEBUG_RX(f, a...) LIBIPW_DEBUG(LIBIPW_DL_RX, f, ## a) |
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#define LIBIPW_DEBUG_QOS(f, a...) LIBIPW_DEBUG(LIBIPW_DL_QOS, f, ## a) |
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#include <linux/netdevice.h> |
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#include <linux/if_arp.h> /* ARPHRD_ETHER */ |
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#ifndef WIRELESS_SPY |
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#define WIRELESS_SPY /* enable iwspy support */ |
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#endif |
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#include <net/iw_handler.h> /* new driver API */ |
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#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ |
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#ifndef ETH_P_80211_RAW |
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#define ETH_P_80211_RAW (ETH_P_ECONET + 1) |
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#endif |
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/* IEEE 802.11 defines */ |
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#define P80211_OUI_LEN 3 |
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struct libipw_snap_hdr { |
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u8 dsap; /* always 0xAA */ |
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u8 ssap; /* always 0xAA */ |
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u8 ctrl; /* always 0x03 */ |
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u8 oui[P80211_OUI_LEN]; /* organizational universal id */ |
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} __packed; |
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#define SNAP_SIZE sizeof(struct libipw_snap_hdr) |
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#define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS) |
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#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) |
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#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) |
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#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) |
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#define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
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#define LIBIPW_STATMASK_SIGNAL (1<<0) |
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#define LIBIPW_STATMASK_RSSI (1<<1) |
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#define LIBIPW_STATMASK_NOISE (1<<2) |
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#define LIBIPW_STATMASK_RATE (1<<3) |
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#define LIBIPW_STATMASK_WEMASK 0x7 |
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#define LIBIPW_CCK_MODULATION (1<<0) |
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#define LIBIPW_OFDM_MODULATION (1<<1) |
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#define LIBIPW_24GHZ_BAND (1<<0) |
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#define LIBIPW_52GHZ_BAND (1<<1) |
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#define LIBIPW_CCK_RATE_1MB 0x02 |
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#define LIBIPW_CCK_RATE_2MB 0x04 |
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#define LIBIPW_CCK_RATE_5MB 0x0B |
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#define LIBIPW_CCK_RATE_11MB 0x16 |
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#define LIBIPW_OFDM_RATE_6MB 0x0C |
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#define LIBIPW_OFDM_RATE_9MB 0x12 |
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#define LIBIPW_OFDM_RATE_12MB 0x18 |
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#define LIBIPW_OFDM_RATE_18MB 0x24 |
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#define LIBIPW_OFDM_RATE_24MB 0x30 |
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#define LIBIPW_OFDM_RATE_36MB 0x48 |
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#define LIBIPW_OFDM_RATE_48MB 0x60 |
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#define LIBIPW_OFDM_RATE_54MB 0x6C |
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#define LIBIPW_BASIC_RATE_MASK 0x80 |
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#define LIBIPW_CCK_RATE_1MB_MASK (1<<0) |
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#define LIBIPW_CCK_RATE_2MB_MASK (1<<1) |
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#define LIBIPW_CCK_RATE_5MB_MASK (1<<2) |
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#define LIBIPW_CCK_RATE_11MB_MASK (1<<3) |
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#define LIBIPW_OFDM_RATE_6MB_MASK (1<<4) |
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#define LIBIPW_OFDM_RATE_9MB_MASK (1<<5) |
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#define LIBIPW_OFDM_RATE_12MB_MASK (1<<6) |
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#define LIBIPW_OFDM_RATE_18MB_MASK (1<<7) |
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#define LIBIPW_OFDM_RATE_24MB_MASK (1<<8) |
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#define LIBIPW_OFDM_RATE_36MB_MASK (1<<9) |
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#define LIBIPW_OFDM_RATE_48MB_MASK (1<<10) |
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#define LIBIPW_OFDM_RATE_54MB_MASK (1<<11) |
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#define LIBIPW_CCK_RATES_MASK 0x0000000F |
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#define LIBIPW_CCK_BASIC_RATES_MASK (LIBIPW_CCK_RATE_1MB_MASK | \ |
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LIBIPW_CCK_RATE_2MB_MASK) |
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#define LIBIPW_CCK_DEFAULT_RATES_MASK (LIBIPW_CCK_BASIC_RATES_MASK | \ |
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LIBIPW_CCK_RATE_5MB_MASK | \ |
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LIBIPW_CCK_RATE_11MB_MASK) |
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#define LIBIPW_OFDM_RATES_MASK 0x00000FF0 |
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#define LIBIPW_OFDM_BASIC_RATES_MASK (LIBIPW_OFDM_RATE_6MB_MASK | \ |
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LIBIPW_OFDM_RATE_12MB_MASK | \ |
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LIBIPW_OFDM_RATE_24MB_MASK) |
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#define LIBIPW_OFDM_DEFAULT_RATES_MASK (LIBIPW_OFDM_BASIC_RATES_MASK | \ |
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LIBIPW_OFDM_RATE_9MB_MASK | \ |
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LIBIPW_OFDM_RATE_18MB_MASK | \ |
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LIBIPW_OFDM_RATE_36MB_MASK | \ |
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LIBIPW_OFDM_RATE_48MB_MASK | \ |
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LIBIPW_OFDM_RATE_54MB_MASK) |
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#define LIBIPW_DEFAULT_RATES_MASK (LIBIPW_OFDM_DEFAULT_RATES_MASK | \ |
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LIBIPW_CCK_DEFAULT_RATES_MASK) |
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#define LIBIPW_NUM_OFDM_RATES 8 |
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#define LIBIPW_NUM_CCK_RATES 4 |
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#define LIBIPW_OFDM_SHIFT_MASK_A 4 |
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/* NOTE: This data is for statistical purposes; not all hardware provides this |
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* information for frames received. |
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* For libipw_rx_mgt, you need to set at least the 'len' parameter. |
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*/ |
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struct libipw_rx_stats { |
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u32 mac_time; |
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s8 rssi; |
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u8 signal; |
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u8 noise; |
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u16 rate; /* in 100 kbps */ |
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u8 received_channel; |
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u8 control; |
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u8 mask; |
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u8 freq; |
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u16 len; |
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u64 tsf; |
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u32 beacon_time; |
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}; |
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/* IEEE 802.11 requires that STA supports concurrent reception of at least |
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* three fragmented frames. This define can be increased to support more |
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* concurrent frames, but it should be noted that each entry can consume about |
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* 2 kB of RAM and increasing cache size will slow down frame reassembly. */ |
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#define LIBIPW_FRAG_CACHE_LEN 4 |
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struct libipw_frag_entry { |
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unsigned long first_frag_time; |
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unsigned int seq; |
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unsigned int last_frag; |
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struct sk_buff *skb; |
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u8 src_addr[ETH_ALEN]; |
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u8 dst_addr[ETH_ALEN]; |
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}; |
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struct libipw_stats { |
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unsigned int tx_unicast_frames; |
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unsigned int tx_multicast_frames; |
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unsigned int tx_fragments; |
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unsigned int tx_unicast_octets; |
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unsigned int tx_multicast_octets; |
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unsigned int tx_deferred_transmissions; |
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unsigned int tx_single_retry_frames; |
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unsigned int tx_multiple_retry_frames; |
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unsigned int tx_retry_limit_exceeded; |
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unsigned int tx_discards; |
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unsigned int rx_unicast_frames; |
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unsigned int rx_multicast_frames; |
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unsigned int rx_fragments; |
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unsigned int rx_unicast_octets; |
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unsigned int rx_multicast_octets; |
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unsigned int rx_fcs_errors; |
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unsigned int rx_discards_no_buffer; |
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unsigned int tx_discards_wrong_sa; |
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unsigned int rx_discards_undecryptable; |
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unsigned int rx_message_in_msg_fragments; |
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unsigned int rx_message_in_bad_msg_fragments; |
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}; |
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struct libipw_device; |
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#define SEC_KEY_1 (1<<0) |
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#define SEC_KEY_2 (1<<1) |
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#define SEC_KEY_3 (1<<2) |
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#define SEC_KEY_4 (1<<3) |
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#define SEC_ACTIVE_KEY (1<<4) |
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#define SEC_AUTH_MODE (1<<5) |
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#define SEC_UNICAST_GROUP (1<<6) |
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#define SEC_LEVEL (1<<7) |
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#define SEC_ENABLED (1<<8) |
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#define SEC_ENCRYPT (1<<9) |
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#define SEC_LEVEL_0 0 /* None */ |
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#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ |
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#define SEC_LEVEL_2 2 /* Level 1 + TKIP */ |
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#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ |
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#define SEC_LEVEL_3 4 /* Level 2 + CCMP */ |
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#define SEC_ALG_NONE 0 |
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#define SEC_ALG_WEP 1 |
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#define SEC_ALG_TKIP 2 |
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#define SEC_ALG_CCMP 3 |
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#define WEP_KEYS 4 |
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#define WEP_KEY_LEN 13 |
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#define SCM_KEY_LEN 32 |
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#define SCM_TEMPORAL_KEY_LENGTH 16 |
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struct libipw_security { |
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u16 active_key:2, enabled:1, unicast_uses_group:1, encrypt:1; |
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u8 auth_mode; |
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u8 encode_alg[WEP_KEYS]; |
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u8 key_sizes[WEP_KEYS]; |
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u8 keys[WEP_KEYS][SCM_KEY_LEN]; |
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u8 level; |
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u16 flags; |
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} __packed; |
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/* |
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802.11 data frame from AP |
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,-------------------------------------------------------------------. |
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Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | |
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|------|------|---------|---------|---------|------|---------|------| |
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Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | |
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| | tion | (BSSID) | | | ence | data | | |
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`-------------------------------------------------------------------' |
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Total: 28-2340 bytes |
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*/ |
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#define BEACON_PROBE_SSID_ID_POSITION 12 |
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struct libipw_hdr_1addr { |
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__le16 frame_ctl; |
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__le16 duration_id; |
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u8 addr1[ETH_ALEN]; |
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u8 payload[]; |
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} __packed; |
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struct libipw_hdr_2addr { |
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__le16 frame_ctl; |
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__le16 duration_id; |
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u8 addr1[ETH_ALEN]; |
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u8 addr2[ETH_ALEN]; |
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u8 payload[]; |
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} __packed; |
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struct libipw_hdr_3addr { |
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__le16 frame_ctl; |
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__le16 duration_id; |
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u8 addr1[ETH_ALEN]; |
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u8 addr2[ETH_ALEN]; |
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u8 addr3[ETH_ALEN]; |
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__le16 seq_ctl; |
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u8 payload[]; |
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} __packed; |
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struct libipw_hdr_4addr { |
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__le16 frame_ctl; |
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__le16 duration_id; |
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u8 addr1[ETH_ALEN]; |
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u8 addr2[ETH_ALEN]; |
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u8 addr3[ETH_ALEN]; |
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__le16 seq_ctl; |
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u8 addr4[ETH_ALEN]; |
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u8 payload[]; |
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} __packed; |
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struct libipw_hdr_3addrqos { |
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__le16 frame_ctl; |
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__le16 duration_id; |
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u8 addr1[ETH_ALEN]; |
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u8 addr2[ETH_ALEN]; |
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u8 addr3[ETH_ALEN]; |
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__le16 seq_ctl; |
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u8 payload[0]; |
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__le16 qos_ctl; |
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} __packed; |
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struct libipw_info_element { |
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u8 id; |
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u8 len; |
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u8 data[]; |
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} __packed; |
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/* |
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* These are the data types that can make up management packets |
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* |
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u16 auth_algorithm; |
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u16 auth_sequence; |
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u16 beacon_interval; |
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u16 capability; |
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u8 current_ap[ETH_ALEN]; |
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u16 listen_interval; |
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struct { |
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u16 association_id:14, reserved:2; |
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} __packed; |
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u32 time_stamp[2]; |
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u16 reason; |
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u16 status; |
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*/ |
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struct libipw_auth { |
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struct libipw_hdr_3addr header; |
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__le16 algorithm; |
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__le16 transaction; |
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__le16 status; |
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/* challenge */ |
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struct libipw_info_element info_element[]; |
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} __packed; |
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struct libipw_channel_switch { |
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u8 id; |
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u8 len; |
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u8 mode; |
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u8 channel; |
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u8 count; |
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} __packed; |
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struct libipw_action { |
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struct libipw_hdr_3addr header; |
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u8 category; |
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u8 action; |
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union { |
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struct libipw_action_exchange { |
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u8 token; |
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struct libipw_info_element info_element[0]; |
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} exchange; |
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struct libipw_channel_switch channel_switch; |
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} format; |
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} __packed; |
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struct libipw_disassoc { |
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struct libipw_hdr_3addr header; |
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__le16 reason; |
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} __packed; |
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/* Alias deauth for disassoc */ |
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#define libipw_deauth libipw_disassoc |
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struct libipw_probe_request { |
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struct libipw_hdr_3addr header; |
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/* SSID, supported rates */ |
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struct libipw_info_element info_element[]; |
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} __packed; |
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struct libipw_probe_response { |
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struct libipw_hdr_3addr header; |
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__le32 time_stamp[2]; |
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__le16 beacon_interval; |
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__le16 capability; |
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/* SSID, supported rates, FH params, DS params, |
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* CF params, IBSS params, TIM (if beacon), RSN */ |
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struct libipw_info_element info_element[]; |
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} __packed; |
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/* Alias beacon for probe_response */ |
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#define libipw_beacon libipw_probe_response |
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struct libipw_assoc_request { |
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struct libipw_hdr_3addr header; |
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__le16 capability; |
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__le16 listen_interval; |
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/* SSID, supported rates, RSN */ |
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struct libipw_info_element info_element[]; |
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} __packed; |
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struct libipw_reassoc_request { |
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struct libipw_hdr_3addr header; |
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__le16 capability; |
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__le16 listen_interval; |
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u8 current_ap[ETH_ALEN]; |
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struct libipw_info_element info_element[]; |
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} __packed; |
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struct libipw_assoc_response { |
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struct libipw_hdr_3addr header; |
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__le16 capability; |
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__le16 status; |
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__le16 aid; |
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/* supported rates */ |
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struct libipw_info_element info_element[]; |
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} __packed; |
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struct libipw_txb { |
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u8 nr_frags; |
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u8 encrypted; |
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u8 rts_included; |
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u8 reserved; |
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u16 frag_size; |
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u16 payload_size; |
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struct sk_buff *fragments[]; |
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}; |
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/* SWEEP TABLE ENTRIES NUMBER */ |
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#define MAX_SWEEP_TAB_ENTRIES 42 |
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#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 |
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/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs |
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* only use 8, and then use extended rates for the remaining supported |
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* rates. Other APs, however, stick all of their supported rates on the |
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* main rates information element... */ |
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#define MAX_RATES_LENGTH ((u8)12) |
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#define MAX_RATES_EX_LENGTH ((u8)16) |
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#define MAX_NETWORK_COUNT 128 |
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#define CRC_LENGTH 4U |
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#define MAX_WPA_IE_LEN 64 |
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#define NETWORK_HAS_OFDM (1<<1) |
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#define NETWORK_HAS_CCK (1<<2) |
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/* QoS structure */ |
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#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 */
|
|
|