| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jouni Malinen | 884 | 98.66% | 1 | 16.67% |
| John W. Linville | 4 | 0.45% | 1 | 16.67% |
| Dan J Williams | 3 | 0.33% | 1 | 16.67% |
| Adrian Bunk | 3 | 0.33% | 1 | 16.67% |
| Greg Kroah-Hartman | 1 | 0.11% | 1 | 16.67% |
| Lucas De Marchi | 1 | 0.11% | 1 | 16.67% |
| Total | 896 | 6 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_AP_H #define HOSTAP_AP_H #include "hostap_80211.h" /* AP data structures for STAs */ /* maximum number of frames to buffer per STA */ #define STA_MAX_TX_BUFFER 32 /* STA flags */ #define WLAN_STA_AUTH BIT(0) #define WLAN_STA_ASSOC BIT(1) #define WLAN_STA_PS BIT(2) #define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */ #define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */ #define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is * controlling whether STA is authorized to * send and receive non-IEEE 802.1X frames */ #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ #define WLAN_RATE_1M BIT(0) #define WLAN_RATE_2M BIT(1) #define WLAN_RATE_5M5 BIT(2) #define WLAN_RATE_11M BIT(3) #define WLAN_RATE_COUNT 4 /* Maximum size of Supported Rates info element. IEEE 802.11 has a limit of 8, * but some pre-standard IEEE 802.11g products use longer elements. */ #define WLAN_SUPP_RATES_MAX 32 /* Try to increase TX rate after # successfully sent consecutive packets */ #define WLAN_RATE_UPDATE_COUNT 50 /* Decrease TX rate after # consecutive dropped packets */ #define WLAN_RATE_DECREASE_THRESHOLD 2 struct sta_info { struct list_head list; struct sta_info *hnext; /* next entry in hash table list */ atomic_t users; /* number of users (do not remove if > 0) */ struct proc_dir_entry *proc; u8 addr[6]; u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ u32 flags; u16 capability; u16 listen_interval; /* or beacon_int for APs */ u8 supported_rates[WLAN_SUPP_RATES_MAX]; unsigned long last_auth; unsigned long last_assoc; unsigned long last_rx; unsigned long last_tx; unsigned long rx_packets, tx_packets; unsigned long rx_bytes, tx_bytes; struct sk_buff_head tx_buf; /* FIX: timeout buffers with an expiry time somehow derived from * listen_interval */ s8 last_rx_silence; /* Noise in dBm */ s8 last_rx_signal; /* Signal strength in dBm */ u8 last_rx_rate; /* TX rate in 0.1 Mbps */ u8 last_rx_updated; /* IWSPY's struct iw_quality::updated */ u8 tx_supp_rates; /* bit field of supported TX rates */ u8 tx_rate; /* current TX rate (in 0.1 Mbps) */ u8 tx_rate_idx; /* current TX rate (WLAN_RATE_*) */ u8 tx_max_rate; /* max TX rate (WLAN_RATE_*) */ u32 tx_count[WLAN_RATE_COUNT]; /* number of frames sent (per rate) */ u32 rx_count[WLAN_RATE_COUNT]; /* number of frames received (per rate) */ u32 tx_since_last_failure; u32 tx_consecutive_exc; struct lib80211_crypt_data *crypt; int ap; /* whether this station is an AP */ local_info_t *local; #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT union { struct { char *challenge; /* shared key authentication * challenge */ } sta; struct { int ssid_len; unsigned char ssid[MAX_SSID_LEN + 1]; /* AP's ssid */ int channel; unsigned long last_beacon; /* last RX beacon time */ } ap; } u; struct timer_list timer; enum { STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH } timeout_next; #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ }; #define MAX_STA_COUNT 1024 /* Maximum number of AIDs to use for STAs; must be 2007 or lower * (8802.11 limitation) */ #define MAX_AID_TABLE_SIZE 128 #define STA_HASH_SIZE 256 #define STA_HASH(sta) (sta[5]) /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY_SEC * has passed since last received frame from the station, a nullfunc data * frame is sent to the station. If this frame is not acknowledged and no other * frames have been received, the station will be disassociated after * AP_DISASSOC_DELAY. Similarly, a the station will be deauthenticated after * AP_DEAUTH_DELAY. AP_TIMEOUT_RESOLUTION is the resolution that is used with * max inactivity timer. */ #define AP_MAX_INACTIVITY_SEC (5 * 60) #define AP_DISASSOC_DELAY (HZ) #define AP_DEAUTH_DELAY (HZ) /* ap_policy: whether to accept frames to/from other APs/IBSS */ typedef enum { AP_OTHER_AP_SKIP_ALL = 0, AP_OTHER_AP_SAME_SSID = 1, AP_OTHER_AP_ALL = 2, AP_OTHER_AP_EVEN_IBSS = 3 } ap_policy_enum; #define PRISM2_AUTH_OPEN BIT(0) #define PRISM2_AUTH_SHARED_KEY BIT(1) /* MAC address-based restrictions */ struct mac_entry { struct list_head list; u8 addr[6]; }; struct mac_restrictions { enum { MAC_POLICY_OPEN = 0, MAC_POLICY_ALLOW, MAC_POLICY_DENY } policy; unsigned int entries; struct list_head mac_list; spinlock_t lock; }; struct add_sta_proc_data { u8 addr[ETH_ALEN]; struct add_sta_proc_data *next; }; typedef enum { WDS_ADD, WDS_DEL } wds_oper_type; struct wds_oper_data { wds_oper_type type; u8 addr[ETH_ALEN]; struct wds_oper_data *next; }; struct ap_data { int initialized; /* whether ap_data has been initialized */ local_info_t *local; int bridge_packets; /* send packet to associated STAs directly to the * wireless media instead of higher layers in the * kernel */ unsigned int bridged_unicast; /* number of unicast frames bridged on * wireless media */ unsigned int bridged_multicast; /* number of non-unicast frames * bridged on wireless media */ unsigned int tx_drop_nonassoc; /* number of unicast TX packets dropped * because they were to an address that * was not associated */ int nullfunc_ack; /* use workaround for nullfunc frame ACKs */ spinlock_t sta_table_lock; int num_sta; /* number of entries in sta_list */ struct list_head sta_list; /* STA info list head */ struct sta_info *sta_hash[STA_HASH_SIZE]; struct proc_dir_entry *proc; ap_policy_enum ap_policy; unsigned int max_inactivity; int autom_ap_wds; struct mac_restrictions mac_restrictions; /* MAC-based auth */ int last_tx_rate; struct work_struct add_sta_proc_queue; struct add_sta_proc_data *add_sta_proc_entries; struct work_struct wds_oper_queue; struct wds_oper_data *wds_oper_entries; u16 tx_callback_idx; #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT /* pointers to STA info; based on allocated AID or NULL if AID free * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1 * and so on */ struct sta_info *sta_aid[MAX_AID_TABLE_SIZE]; u16 tx_callback_auth, tx_callback_assoc, tx_callback_poll; /* WEP operations for generating challenges to be used with shared key * authentication */ struct lib80211_crypto_ops *crypt; void *crypt_priv; #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ }; void hostap_rx(struct net_device *dev, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats); void hostap_init_data(local_info_t *local); void hostap_init_ap_proc(local_info_t *local); void hostap_free_data(struct ap_data *ap); void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver); typedef enum { AP_TX_CONTINUE, AP_TX_DROP, AP_TX_RETRY, AP_TX_BUFFERED, AP_TX_CONTINUE_NOT_AUTHORIZED } ap_tx_ret; struct hostap_tx_data { struct sk_buff *skb; int host_encrypt; struct lib80211_crypt_data *crypt; void *sta_ptr; }; ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx); void hostap_handle_sta_release(void *ptr); void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb); int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr); typedef enum { AP_RX_CONTINUE, AP_RX_DROP, AP_RX_EXIT, AP_RX_CONTINUE_NOT_AUTHORIZED } ap_rx_ret; ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev, struct sk_buff *skb, struct hostap_80211_rx_status *rx_stats, int wds); int hostap_handle_sta_crypto(local_info_t *local, struct ieee80211_hdr *hdr, struct lib80211_crypt_data **crypt, void **sta_ptr); int hostap_is_sta_assoc(struct ap_data *ap, u8 *sta_addr); int hostap_is_sta_authorized(struct ap_data *ap, u8 *sta_addr); int hostap_add_sta(struct ap_data *ap, u8 *sta_addr); int hostap_update_rx_stats(struct ap_data *ap, struct ieee80211_hdr *hdr, struct hostap_80211_rx_status *rx_stats); void hostap_update_rates(local_info_t *local); void hostap_add_wds_links(local_info_t *local); void hostap_wds_link_oper(local_info_t *local, u8 *addr, wds_oper_type type); #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap, int resend); #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ #endif /* HOSTAP_AP_H */
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