diff options
Diffstat (limited to 'sys/net80211/ieee80211_proto.h')
| -rw-r--r-- | sys/net80211/ieee80211_proto.h | 192 |
1 files changed, 179 insertions, 13 deletions
diff --git a/sys/net80211/ieee80211_proto.h b/sys/net80211/ieee80211_proto.h index 8c85003..f793f8e 100644 --- a/sys/net80211/ieee80211_proto.h +++ b/sys/net80211/ieee80211_proto.h @@ -1,6 +1,6 @@ /*- * Copyright (c) 2001 Atsushi Onoe - * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting + * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -52,27 +52,193 @@ enum ieee80211_state { extern const char *ieee80211_mgt_subtype_name[]; -extern void ieee80211_proto_attach(struct ifnet *); -extern void ieee80211_proto_detach(struct ifnet *); +extern void ieee80211_proto_attach(struct ieee80211com *); +extern void ieee80211_proto_detach(struct ieee80211com *); struct ieee80211_node; -extern void ieee80211_input(struct ifnet *, struct mbuf *, +extern void ieee80211_input(struct ieee80211com *, struct mbuf *, struct ieee80211_node *, int, u_int32_t); extern void ieee80211_recv_mgmt(struct ieee80211com *, struct mbuf *, struct ieee80211_node *, int, int, u_int32_t); +extern int ieee80211_send_nulldata(struct ieee80211com *, + struct ieee80211_node *); extern int ieee80211_send_mgmt(struct ieee80211com *, struct ieee80211_node *, int, int); -extern struct mbuf *ieee80211_encap(struct ifnet *, struct mbuf *, - struct ieee80211_node **); -extern struct mbuf *ieee80211_decap(struct ifnet *, struct mbuf *); -extern u_int8_t *ieee80211_add_rates(u_int8_t *frm, - const struct ieee80211_rateset *); +extern int ieee80211_classify(struct ieee80211com *, struct mbuf *, + struct ieee80211_node *); +extern struct mbuf *ieee80211_encap(struct ieee80211com *, struct mbuf *, + struct ieee80211_node *); +extern void ieee80211_pwrsave(struct ieee80211com *, struct ieee80211_node *, + struct mbuf *); + +extern void ieee80211_reset_erp(struct ieee80211com *); +extern void ieee80211_set_shortslottime(struct ieee80211com *, int onoff); +extern int ieee80211_iserp_rateset(struct ieee80211com *, + struct ieee80211_rateset *); +extern void ieee80211_set11gbasicrates(struct ieee80211_rateset *, + enum ieee80211_phymode); + +/* + * Return the size of the 802.11 header for a management or data frame. + */ +static inline int +ieee80211_hdrsize(const void *data) +{ + const struct ieee80211_frame *wh = data; + int size = sizeof(struct ieee80211_frame); + + /* NB: we don't handle control frames */ + KASSERT((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_CTL, + ("%s: control frame", __func__)); + if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) + size += IEEE80211_ADDR_LEN; + if (IEEE80211_QOS_HAS_SEQ(wh)) + size += sizeof(u_int16_t); + return size; +} + +/* + * Return the size of the 802.11 header; handles any type of frame. + */ +static inline int +ieee80211_anyhdrsize(const void *data) +{ + const struct ieee80211_frame *wh = data; + + if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) { + switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { + case IEEE80211_FC0_SUBTYPE_CTS: + case IEEE80211_FC0_SUBTYPE_ACK: + return sizeof(struct ieee80211_frame_ack); + } + return sizeof(struct ieee80211_frame_min); + } else + return ieee80211_hdrsize(data); +} + +/* + * Template for an in-kernel authenticator. Authenticators + * register with the protocol code and are typically loaded + * as separate modules as needed. + */ +struct ieee80211_authenticator { + const char *ia_name; /* printable name */ + int (*ia_attach)(struct ieee80211com *); + void (*ia_detach)(struct ieee80211com *); + void (*ia_node_join)(struct ieee80211com *, + struct ieee80211_node *); + void (*ia_node_leave)(struct ieee80211com *, + struct ieee80211_node *); +}; +extern void ieee80211_authenticator_register(int type, + const struct ieee80211_authenticator *); +extern void ieee80211_authenticator_unregister(int type); +extern const struct ieee80211_authenticator * + ieee80211_authenticator_get(int auth); + +/* + * Template for an MAC ACL policy module. Such modules + * register with the protocol code and are passed the sender's + * address of each received frame for validation. + */ +struct ieee80211_aclator { + const char *iac_name; /* printable name */ + int (*iac_attach)(struct ieee80211com *); + void (*iac_detach)(struct ieee80211com *); + int (*iac_check)(struct ieee80211com *, + const u_int8_t mac[IEEE80211_ADDR_LEN]); + int (*iac_add)(struct ieee80211com *, + const u_int8_t mac[IEEE80211_ADDR_LEN]); + int (*iac_remove)(struct ieee80211com *, + const u_int8_t mac[IEEE80211_ADDR_LEN]); + int (*iac_flush)(struct ieee80211com *); + int (*iac_setpolicy)(struct ieee80211com *, int); + int (*iac_getpolicy)(struct ieee80211com *); +}; +extern void ieee80211_aclator_register(const struct ieee80211_aclator *); +extern void ieee80211_aclator_unregister(const struct ieee80211_aclator *); +extern const struct ieee80211_aclator *ieee80211_aclator_get(const char *name); + +/* flags for ieee80211_fix_rate() */ +#define IEEE80211_F_DOSORT 0x00000001 /* sort rate list */ +#define IEEE80211_F_DOFRATE 0x00000002 /* use fixed rate */ +#define IEEE80211_F_DONEGO 0x00000004 /* calc negotiated rate */ +#define IEEE80211_F_DODEL 0x00000008 /* delete ignore rate */ +extern int ieee80211_fix_rate(struct ieee80211com *, + struct ieee80211_node *, int); + +/* + * WME/WMM support. + */ +struct wmeParams { + u_int8_t wmep_acm; + u_int8_t wmep_aifsn; + u_int8_t wmep_logcwmin; /* log2(cwmin) */ + u_int8_t wmep_logcwmax; /* log2(cwmax) */ + u_int8_t wmep_txopLimit; + u_int8_t wmep_noackPolicy; /* 0 (ack), 1 (no ack) */ +}; + +struct chanAccParams { + u_int8_t cap_info; /* version of the current set */ + struct wmeParams cap_wmeParams[WME_NUM_AC]; +}; + +struct ieee80211_wme_state { + u_int wme_flags; +#define WME_F_AGGRMODE 0x00000001 /* STATUS: WME agressive mode */ + u_int wme_hipri_traffic; /* VI/VO frames in beacon interval */ + u_int wme_hipri_switch_thresh;/* agressive mode switch thresh */ + u_int wme_hipri_switch_hysteresis;/* agressive mode switch hysteresis */ + + struct wmeParams wme_params[4]; /* from assoc resp for each AC*/ + struct chanAccParams wme_wmeChanParams; /* WME params applied to self */ + struct chanAccParams wme_wmeBssChanParams;/* WME params bcast to stations */ + struct chanAccParams wme_chanParams; /* params applied to self */ + struct chanAccParams wme_bssChanParams; /* params bcast to stations */ + + int (*wme_update)(struct ieee80211com *); +}; + +extern void ieee80211_wme_initparams(struct ieee80211com *); +extern void ieee80211_wme_updateparams(struct ieee80211com *); +extern void ieee80211_wme_updateparams_locked(struct ieee80211com *); + #define ieee80211_new_state(_ic, _nstate, _arg) \ (((_ic)->ic_newstate)((_ic), (_nstate), (_arg))) -extern u_int8_t *ieee80211_add_xrates(u_int8_t *frm, - const struct ieee80211_rateset *); -extern void ieee80211_print_essid(u_int8_t *, int); -extern void ieee80211_dump_pkt(u_int8_t *, int, int, int); +extern void ieee80211_print_essid(const u_int8_t *, int); +extern void ieee80211_dump_pkt(const u_int8_t *, int, int, int); extern const char *ieee80211_state_name[IEEE80211_S_MAX]; +extern const char *ieee80211_wme_acnames[]; + +/* + * Beacon frames constructed by ieee80211_beacon_alloc + * have the following structure filled in so drivers + * can update the frame later w/ minimal overhead. + */ +struct ieee80211_beacon_offsets { + u_int16_t *bo_caps; /* capabilities */ + u_int8_t *bo_tim; /* start of atim/dtim */ + u_int8_t *bo_wme; /* start of WME parameters */ + u_int8_t *bo_trailer; /* start of fixed-size trailer */ + u_int16_t bo_tim_len; /* atim/dtim length in bytes */ + u_int16_t bo_trailer_len; /* trailer length in bytes */ +}; +extern struct mbuf *ieee80211_beacon_alloc(struct ieee80211com *, + struct ieee80211_node *, struct ieee80211_beacon_offsets *); +extern int ieee80211_beacon_update(struct ieee80211com *, + struct ieee80211_node *, struct ieee80211_beacon_offsets *, + struct mbuf *, int broadcast); + +/* + * Notification methods called from the 802.11 state machine. + * Note that while these are defined here, their implementation + * is OS-specific. + */ +extern void ieee80211_notify_node_join(struct ieee80211com *, + struct ieee80211_node *, int newassoc); +extern void ieee80211_notify_node_leave(struct ieee80211com *, + struct ieee80211_node *); +extern void ieee80211_notify_scan_done(struct ieee80211com *); #endif /* _NET80211_IEEE80211_PROTO_H_ */ |
