diff options
Diffstat (limited to 'hostapd/wme.h')
| -rw-r--r-- | hostapd/wme.h | 167 |
1 files changed, 75 insertions, 92 deletions
diff --git a/hostapd/wme.h b/hostapd/wme.h index 4ee281ab7d2c..e06b5bcab312 100644 --- a/hostapd/wme.h +++ b/hostapd/wme.h @@ -16,114 +16,97 @@ #ifndef WME_H #define WME_H -#ifdef __linux__ -#include <endian.h> -#endif /* __linux__ */ - -#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) -#include <sys/types.h> -#include <sys/endian.h> -#endif /* defined(__FreeBSD__) || defined(__NetBSD__) || - * defined(__DragonFly__) */ - - -extern inline u16 tsinfo(int tag1d, int contention_based, int direction) -{ - return (tag1d << 11) | (contention_based << 7) | (direction << 5) | - (tag1d << 1); -} - - -struct wme_information_element { - /* required fields for WME version 1 */ - u8 oui[3]; - u8 oui_type; - u8 oui_subtype; - u8 version; - u8 acInfo; +/* + * WMM Information Element (used in (Re)Association Request frames; may also be + * used in Beacon frames) + */ +struct wmm_information_element { + /* Element ID: 221 (0xdd); Length: 7 */ + /* required fields for WMM version 1 */ + u8 oui[3]; /* 00:50:f2 */ + u8 oui_type; /* 2 */ + u8 oui_subtype; /* 0 */ + u8 version; /* 1 for WMM version 1.0 */ + u8 qos_info; /* AP/STA specific QoS info */ } __attribute__ ((packed)); -struct wme_ac_parameter { -#if __BYTE_ORDER == __LITTLE_ENDIAN - /* byte 1 */ - u8 aifsn:4, - acm:1, - aci:2, - reserved:1; - - /* byte 2 */ - u8 eCWmin:4, - eCWmax:4; -#elif __BYTE_ORDER == __BIG_ENDIAN - /* byte 1 */ - u8 reserved:1, - aci:2, - acm:1, - aifsn:4; - - /* byte 2 */ - u8 eCWmax:4, - eCWmin:4; -#else -#error "Please fix <endian.h>" -#endif - - /* bytes 3 & 4 */ - le16 txopLimit; +#define WMM_AC_AIFSN_MASK 0x0f +#define WMM_AC_AIFNS_SHIFT 0 +#define WMM_AC_ACM 0x10 +#define WMM_AC_ACI_MASK 0x60 +#define WMM_AC_ACI_SHIFT 5 + +#define WMM_AC_ECWMIN_MASK 0x0f +#define WMM_AC_ECWMIN_SHIFT 0 +#define WMM_AC_ECWMAX_MASK 0xf0 +#define WMM_AC_ECWMAX_SHIFT 4 + +struct wmm_ac_parameter { + u8 aci_aifsn; /* AIFSN, ACM, ACI */ + u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ + le16 txop_limit; } __attribute__ ((packed)); -struct wme_parameter_element { - /* required fields for WME version 1 */ - u8 oui[3]; - u8 oui_type; - u8 oui_subtype; - u8 version; - u8 acInfo; - u8 reserved; - struct wme_ac_parameter ac[4]; +/* + * WMM Parameter Element (used in Beacon, Probe Response, and (Re)Association + * Response frmaes) + */ +struct wmm_parameter_element { + /* Element ID: 221 (0xdd); Length: 24 */ + /* required fields for WMM version 1 */ + u8 oui[3]; /* 00:50:f2 */ + u8 oui_type; /* 2 */ + u8 oui_subtype; /* 1 */ + u8 version; /* 1 for WMM version 1.0 */ + u8 qos_info; /* AP/STA specif QoS info */ + u8 reserved; /* 0 */ + struct wmm_ac_parameter ac[4]; /* AC_BE, AC_BK, AC_VI, AC_VO */ } __attribute__ ((packed)); -struct wme_tspec_info_element { - u8 eid; - u8 length; - u8 oui[3]; - u8 oui_type; - u8 oui_subtype; - u8 version; - u16 ts_info; - u16 nominal_msdu_size; - u16 maximum_msdu_size; - u32 minimum_service_interval; - u32 maximum_service_interval; - u32 inactivity_interval; - u32 start_time; - u32 minimum_data_rate; - u32 mean_data_rate; - u32 maximum_burst_size; - u32 minimum_phy_rate; - u32 peak_data_rate; - u32 delay_bound; - u16 surplus_bandwidth_allowance; - u16 medium_time; +/* WMM TSPEC Element */ +struct wmm_tspec_element { + u8 eid; /* 221 = 0xdd */ + u8 length; /* 6 + 55 = 61 */ + u8 oui[3]; /* 00:50:f2 */ + u8 oui_type; /* 2 */ + u8 oui_subtype; /* 2 */ + u8 version; /* 1 */ + /* WMM TSPEC body (55 octets): */ + u8 ts_info[3]; + le16 nominal_msdu_size; + le16 maximum_msdu_size; + le32 minimum_service_interval; + le32 maximum_service_interval; + le32 inactivity_interval; + le32 suspension_interval; + le32 service_start_time; + le32 minimum_data_rate; + le32 mean_data_rate; + le32 peak_data_rate; + le32 maximum_burst_size; + le32 delay_bound; + le32 minimum_phy_rate; + le16 surplus_bandwidth_allowance; + le16 medium_time; } __attribute__ ((packed)); -/* Access Categories */ +/* Access Categories / ACI to AC coding */ enum { - WME_AC_BK = 1, - WME_AC_BE = 0, - WME_AC_VI = 2, - WME_AC_VO = 3 + WMM_AC_BE = 0 /* Best Effort */, + WMM_AC_BK = 1 /* Background */, + WMM_AC_VI = 2 /* Video */, + WMM_AC_VO = 3 /* Voice */ }; struct ieee80211_mgmt; -u8 * hostapd_eid_wme(struct hostapd_data *hapd, u8 *eid); -int hostapd_eid_wme_valid(struct hostapd_data *hapd, u8 *eid, size_t len); -int hostapd_wme_sta_config(struct hostapd_data *hapd, struct sta_info *sta); -void hostapd_wme_action(struct hostapd_data *hapd, struct ieee80211_mgmt *mgmt, +u8 * hostapd_eid_wmm(struct hostapd_data *hapd, u8 *eid); +int hostapd_eid_wmm_valid(struct hostapd_data *hapd, u8 *eid, size_t len); +int hostapd_wmm_sta_config(struct hostapd_data *hapd, struct sta_info *sta); +void hostapd_wmm_action(struct hostapd_data *hapd, struct ieee80211_mgmt *mgmt, size_t len); #endif /* WME_H */ |