ieee80211_input.h File Reference

#include <sys/endian.h>

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Macros
#define	IEEE80211_VERIFY_ELEMENT(__elem, __maxlen, _action)
#define	IEEE80211_VERIFY_LENGTH(_len, _minlen, _action)
#define	IEEE80211_VERIFY_SSID(_ni, _ssid, _action)
#define	SEQ_LEQ(a, b)   ((int)((a)-(b)) <= 0)
#define	SEQ_EQ(a, b)   ((int)((a)-(b)) == 0)
#define	SEQNO(a)   ((a) >> IEEE80211_SEQ_SEQ_SHIFT)
#define	FRAGNO(a)   ((a) & IEEE80211_SEQ_FRAG_MASK)

Functions
static __inline int	iswpaoui (const uint8_t *frm)
static __inline int	iswmeoui (const uint8_t *frm)
static __inline int	iswmeparam (const uint8_t *frm)
static __inline int	iswmeinfo (const uint8_t *frm)
static __inline int	isatherosoui (const uint8_t *frm)
static __inline int	istdmaoui (const uint8_t *frm)
static __inline int	ishtcapoui (const uint8_t *frm)
static __inline int	ishtinfooui (const uint8_t *frm)
static __inline int	ieee80211_check_rxseq_amsdu (const struct ieee80211_rx_stats *rxs)
static __inline int	ieee80211_check_rxseq_amsdu_more (const struct ieee80211_rx_stats *rxs)
static __inline int	ieee80211_check_rxseq (struct ieee80211_node *ni, struct ieee80211_frame *wh, uint8_t *bssid, const struct ieee80211_rx_stats *rxs)
void	ieee80211_deliver_data (struct ieee80211vap *, struct ieee80211_node *, struct mbuf *)
struct mbuf *	ieee80211_defrag (struct ieee80211_node *, struct mbuf *, int, int)
struct mbuf *	ieee80211_realign (struct ieee80211vap *, struct mbuf *, size_t)
struct mbuf *	ieee80211_decap (struct ieee80211vap *, struct mbuf *, int, uint8_t)
struct mbuf *	ieee80211_decap1 (struct mbuf *, int *)
int	ieee80211_setup_rates (struct ieee80211_node *ni, const uint8_t *rates, const uint8_t *xrates, int flags)
void	ieee80211_send_error (struct ieee80211_node *, const uint8_t mac[IEEE80211_ADDR_LEN], int subtype, int arg)
int	ieee80211_alloc_challenge (struct ieee80211_node *)
int	ieee80211_parse_beacon (struct ieee80211_node *, struct mbuf *, struct ieee80211_channel *, struct ieee80211_scanparams *)
int	ieee80211_parse_action (struct ieee80211_node *, struct mbuf *)

Macro Definition Documentation

FRAGNO

#define FRAGNO

(

a

)

((a) & IEEE80211_SEQ_FRAG_MASK)

IEEE80211_VERIFY_ELEMENT

#define IEEE80211_VERIFY_ELEMENT	(		__elem,
			__maxlen,
			_action
	)

Value:

        do {    \
        if ((__elem) == NULL) {                                         \
                IEEE80211_DISCARD(vap, IEEE80211_MSG_ELEMID,            \
                    wh, NULL, "%s", "no " #__elem );                    \
                vap->iv_stats.is_rx_elem_missing++;                     \
                _action;                                                \
        } else if ((__elem)[1] > (__maxlen)) {                          \
                IEEE80211_DISCARD(vap, IEEE80211_MSG_ELEMID,            \
                    wh, NULL, "bad " #__elem " len %d", (__elem)[1]);   \
                vap->iv_stats.is_rx_elem_toobig++;                      \
                _action;                                                \
        }                                                               \
} while (0)

Definition at line 33 of file ieee80211_input.h.

IEEE80211_VERIFY_LENGTH

#define IEEE80211_VERIFY_LENGTH	(		_len,
			_minlen,
			_action
	)

Value:

        do {            \
        if ((_len) < (_minlen)) {                                       \
                IEEE80211_DISCARD(vap, IEEE80211_MSG_ELEMID,            \
                    wh, NULL, "ie too short, got %d, expected %d",      \
                    (_len), (_minlen));                                 \
                vap->iv_stats.is_rx_elem_toosmall++;                    \
                _action;                                                \
        }                                                               \
} while (0)

Definition at line 47 of file ieee80211_input.h.

IEEE80211_VERIFY_SSID

#define IEEE80211_VERIFY_SSID	(		_ni,
			_ssid,
			_action
	)

Value:

        do {                    \
        if ((_ssid)[1] != 0 &&                                          \
            ((_ssid)[1] != (_ni)->ni_esslen ||                          \
            memcmp((_ssid) + 2, (_ni)->ni_essid, (_ssid)[1]) != 0)) {   \
                vap->iv_stats.is_rx_ssidmismatch++;                     \
                _action;                                                \
        }                                                               \
} while (0)

Definition at line 74 of file ieee80211_input.h.

SEQ_EQ

#define SEQ_EQ	(		a,
			b
	)		((int)((a)-(b)) == 0)

SEQ_LEQ

#define SEQ_LEQ	(		a,
			b
	)		((int)((a)-(b)) <= 0)

SEQNO

#define SEQNO

(

a

)

((a) >> IEEE80211_SEQ_SEQ_SHIFT)

Function Documentation

ieee80211_alloc_challenge()

int ieee80211_alloc_challenge

(

struct ieee80211_node *

ni

)

Definition at line 493 of file ieee80211_input.c.

References IEEE80211_CHALLENGE_LEN, IEEE80211_M_NOWAIT, IEEE80211_MALLOC, IEEE80211_MSG_AUTH, IEEE80211_MSG_DEBUG, IEEE80211_NOTE, ieee80211_node::ni_challenge, and ieee80211_node::ni_vap.

Referenced by hostap_auth_shared(), and sta_auth_shared().

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ieee80211_check_rxseq()

static __inline int ieee80211_check_rxseq ( struct ieee80211_node *  ni, struct ieee80211_frame *  wh, uint8_t *  bssid, const struct ieee80211_rx_stats *  rxs  )

static

Definition at line 195 of file ieee80211_input.h.

References FRAGNO, ieee80211_frame::i_addr1, ieee80211_frame::i_fc, ieee80211_frame::i_seq, IEEE80211_AGGR_RUNNING, ieee80211_check_rxseq_amsdu(), ieee80211_check_rxseq_amsdu_more(), IEEE80211_DISCARD_MAC, IEEE80211_FC0_SUBTYPE_MASK, IEEE80211_FC0_TYPE_MASK, IEEE80211_FC1_RETRY, ieee80211_gettid(), IEEE80211_HAS_SEQ, IEEE80211_IS_MULTICAST, IEEE80211_MSG_INPUT, IEEE80211_NODE_HT, IEEE80211_NODE_STAT, ieee80211_stats::is_rx_dup, ieee80211vap::iv_stats, ieee80211_node::ni_flags, ieee80211_node::ni_rx_ampdu, ieee80211_node::ni_rxseqs, ieee80211_node::ni_vap, ieee80211_rx_ampdu::rxa_flags, SEQ_EQ, SEQ_LEQ, SEQNO, and WME_NUM_TID.

Referenced by adhoc_input(), hostap_input(), mesh_input(), sta_input(), and wds_input().

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ieee80211_check_rxseq_amsdu()

static __inline int ieee80211_check_rxseq_amsdu ( const struct ieee80211_rx_stats *  rxs )

static

Definition at line 137 of file ieee80211_input.h.

References ieee80211_rx_stats::c_pktflags, and IEEE80211_RX_F_AMSDU.

Referenced by ampdu_rx_add_slot(), ieee80211_ampdu_reorder(), and ieee80211_check_rxseq().

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ieee80211_check_rxseq_amsdu_more()

static __inline int ieee80211_check_rxseq_amsdu_more ( const struct ieee80211_rx_stats *  rxs )

static

Definition at line 150 of file ieee80211_input.h.

References ieee80211_rx_stats::c_pktflags, IEEE80211_RX_F_AMSDU, and IEEE80211_RX_F_AMSDU_MORE.

Referenced by ampdu_rx_add_slot(), ieee80211_ampdu_reorder(), and ieee80211_check_rxseq().

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ieee80211_decap()

struct mbuf * ieee80211_decap	(	struct ieee80211vap *	vap,
		struct mbuf *	m,
		int	hdrlen,
		uint8_t	qos
	)

Definition at line 312 of file ieee80211_input.c.

References ieee80211_qosframe_addr4::i_addr1, ieee80211_qosframe_addr4::i_addr2, ieee80211_qosframe_addr4::i_addr3, ieee80211_qosframe_addr4::i_addr4, ieee80211_qosframe_addr4::i_fc, IEEE80211_ADDR_COPY, IEEE80211_FC1_DIR_DSTODS, IEEE80211_FC1_DIR_FROMDS, IEEE80211_FC1_DIR_MASK, IEEE80211_FC1_DIR_NODS, IEEE80211_FC1_DIR_TODS, IEEE80211_QOS_AMSDU, ieee80211_realign(), ieee80211_stats::is_rx_tooshort, and ieee80211vap::iv_stats.

Referenced by adhoc_input(), hostap_input(), sta_input(), and wds_input().

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ieee80211_decap1()

struct mbuf * ieee80211_decap1	(	struct mbuf *	m,
		int *	framelen
	)

Definition at line 380 of file ieee80211_input.c.

References FF_LLC_SIZE.

Referenced by ieee80211_decap_amsdu().

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ieee80211_defrag()

struct mbuf * ieee80211_defrag	(	struct ieee80211_node *	ni,
		struct mbuf *	m,
		int	hdrspace,
		int	has_decrypted
	)

Definition at line 173 of file ieee80211_input.c.

References ieee80211_frame::i_addr1, ieee80211_frame::i_addr2, ieee80211_frame::i_fc, ieee80211_frame::i_seq, IEEE80211_ADDR_EQ, IEEE80211_FC1_MORE_FRAG, IEEE80211_FC1_PROTECTED, IEEE80211_IS_MULTICAST, IEEE80211_NODE_LOCK, IEEE80211_NODE_STAT, IEEE80211_NODE_UNLOCK, IEEE80211_SEQ_FRAG_MASK, ieee80211_stats::is_rx_defrag, ieee80211vap::iv_stats, ieee80211_node::ni_rxfrag, ieee80211_node::ni_rxfragstamp, ieee80211_node::ni_table, and ieee80211_node::ni_vap.

Referenced by adhoc_input(), hostap_input(), mesh_input(), sta_input(), and wds_input().

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ieee80211_deliver_data()

void ieee80211_deliver_data	(	struct ieee80211vap *	vap,
		struct ieee80211_node *	ni,
		struct mbuf *	m
	)

Definition at line 275 of file ieee80211_input.c.

References IEEE80211_M_HOSTAP, IEEE80211_NODE_STAT, IEEE80211_NODE_STAT_ADD, ieee80211vap::iv_ifp, ieee80211vap::iv_opmode, and ieee80211_node::ni_vlan.

Referenced by adhoc_input(), hostap_input(), ieee80211_proto_vattach(), mesh_input(), sta_input(), and wds_input().

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ieee80211_parse_action()

int ieee80211_parse_action	(	struct ieee80211_node *	ni,
		struct mbuf *	m
	)

Definition at line 784 of file ieee80211_input.c.

References ieee80211_frame::i_addr1, ieee80211_frame::i_addr2, ieee80211_action::ia_action, ieee80211_action::ia_category, IEEE80211_ACTION_BA_ADDBA_REQUEST, IEEE80211_ACTION_BA_ADDBA_RESPONSE, IEEE80211_ACTION_BA_DELBA, IEEE80211_ACTION_CAT_BA, IEEE80211_ACTION_CAT_HT, IEEE80211_ACTION_CAT_MESH, IEEE80211_ACTION_CAT_SELF_PROT, IEEE80211_ACTION_CAT_VHT, IEEE80211_ACTION_HT_MIMOPWRSAVE, IEEE80211_ACTION_HT_TXCHWIDTH, IEEE80211_ACTION_MESH_CC, IEEE80211_ACTION_MESH_GANN, IEEE80211_ACTION_MESH_HWMP, IEEE80211_ACTION_MESH_LMETRIC, IEEE80211_ACTION_MESH_MCCA_ADVER, IEEE80211_ACTION_MESH_MCCA_AREQ, IEEE80211_ACTION_MESH_MCCA_SREP, IEEE80211_ACTION_MESH_MCCA_SREQ, IEEE80211_ACTION_MESH_MCCA_TRDOWN, IEEE80211_ACTION_MESH_TBTT_REQ, IEEE80211_ACTION_MESH_TBTT_RES, IEEE80211_ACTION_MESHPEERING_CLOSE, IEEE80211_ACTION_MESHPEERING_CONFIRM, IEEE80211_DISCARD, IEEE80211_IS_MULTICAST, IEEE80211_MSG_ELEMID, IEEE80211_MSG_INPUT, IEEE80211_NODE_STAT, IEEE80211_VERIFY_LENGTH, ieee80211_stats::is_rx_action, ieee80211vap::iv_bss, ieee80211vap::iv_stats, and ieee80211_node::ni_vap.

Referenced by adhoc_recv_mgmt(), hostap_recv_mgmt(), mesh_recv_mgmt(), sta_recv_mgmt(), and wds_recv_mgmt().

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ieee80211_parse_beacon()

int ieee80211_parse_beacon	(	struct ieee80211_node *	ni,
		struct mbuf *	m,
		struct ieee80211_channel *	rxchan,
		struct ieee80211_scanparams *	scan
	)

Definition at line 516 of file ieee80211_input.c.

References ieee80211_scanparams::ath, ieee80211_scanparams::bchan, ieee80211_scanparams::bintval, ieee80211_scanparams::capinfo, ieee80211_scanparams::chan, ieee80211_scanparams::country, ieee80211_scanparams::csa, ieee80211_scanparams::erp, ieee80211_scanparams::fhdwell, ieee80211_scanparams::fhindex, ieee80211_scanparams::htcap, ieee80211_scanparams::htinfo, ieee80211com::ic_phytype, IEEE80211_BINTVAL_MAX, IEEE80211_BPARSE_BADIELEN, IEEE80211_BPARSE_BINTVAL_INVALID, IEEE80211_BPARSE_CSA_INVALID, IEEE80211_BPARSE_OFFCHAN, IEEE80211_BPARSE_RATES_INVALID, IEEE80211_BPARSE_SSID_INVALID, IEEE80211_BPARSE_XRATES_INVALID, ieee80211_chan2ieee(), IEEE80211_DISCARD, IEEE80211_DISCARD_IE, IEEE80211_ELEMID_APCHANREP, IEEE80211_ELEMID_BSSLOAD, IEEE80211_ELEMID_CFPARMS, IEEE80211_ELEMID_COUNTRY, IEEE80211_ELEMID_CSA, IEEE80211_ELEMID_DSPARMS, IEEE80211_ELEMID_ERP, IEEE80211_ELEMID_EXTCAP, IEEE80211_ELEMID_FHPARMS, IEEE80211_ELEMID_HTCAP, IEEE80211_ELEMID_HTINFO, IEEE80211_ELEMID_IBSSPARMS, IEEE80211_ELEMID_MESHCONF, IEEE80211_ELEMID_MESHID, IEEE80211_ELEMID_PWRCNSTR, IEEE80211_ELEMID_QUIET, IEEE80211_ELEMID_RATES, IEEE80211_ELEMID_RSN, IEEE80211_ELEMID_SSID, IEEE80211_ELEMID_TIM, IEEE80211_ELEMID_VENDOR, IEEE80211_ELEMID_VHT_CAP, IEEE80211_ELEMID_VHT_OPMODE, IEEE80211_ELEMID_XRATES, IEEE80211_FH_CHAN, IEEE80211_FHT_HTCOMPAT, IEEE80211_MSG_ELEMID, IEEE80211_MSG_INPUT, IEEE80211_NWID_LEN, IEEE80211_RATE_MAXSIZE, IEEE80211_T_FH, IEEE80211_VERIFY_ELEMENT, IEEE80211_VERIFY_LENGTH, ieee80211_scanparams::ies, ieee80211_scanparams::ies_len, ieee80211_stats::is_rx_badbintval, ieee80211_stats::is_rx_chanmismatch, ieee80211_stats::is_rx_elem_toobig, ieee80211_stats::is_rx_elem_unknown, isatherosoui(), ishtcapoui(), ishtinfooui(), istdmaoui(), iswmeinfo(), iswmeparam(), iswpaoui(), ieee80211vap::iv_flags_ht, ieee80211vap::iv_stats, ieee80211_scanparams::meshconf, ieee80211_scanparams::meshid, ieee80211_node::ni_ic, ieee80211_node::ni_vap, ieee80211_scanparams::quiet, ieee80211_scanparams::rates, ieee80211_scanparams::rsn, ieee80211_scanparams::ssid, ieee80211_scanparams::status, ieee80211_scanparams::tdma, ieee80211_scanparams::tim, ieee80211_scanparams::timoff, ieee80211_scanparams::tstamp, ieee80211_scanparams::vhtcap, ieee80211_scanparams::vhtopmode, ieee80211_scanparams::wme, ieee80211_scanparams::wpa, and ieee80211_scanparams::xrates.

Referenced by adhoc_recv_mgmt(), hostap_recv_mgmt(), mesh_recv_mgmt(), and sta_recv_mgmt().

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ieee80211_realign()

struct mbuf * ieee80211_realign	(	struct ieee80211vap *	vap,
		struct mbuf *	m,
		size_t	align
	)

Definition at line 517 of file ieee80211_freebsd.c.

References IEEE80211_DISCARD, IEEE80211_MSG_ANY, ieee80211_stats::is_rx_badalign, and ieee80211vap::iv_stats.

Referenced by ieee80211_decap(), and mesh_decap().

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ieee80211_send_error()

void ieee80211_send_error	(	struct ieee80211_node *	ni,
		const uint8_t	mac[IEEE80211_ADDR_LEN],
		int	subtype,
		int	arg
	)

Definition at line 461 of file ieee80211_input.c.

References ieee80211_free_node(), IEEE80211_S_RUN, IEEE80211_SEND_MGMT, ieee80211_tmp_node(), ieee80211vap::iv_bss, ieee80211vap::iv_state, mac, and ieee80211_node::ni_vap.

Referenced by authalgreject(), hostap_auth_open(), hostap_auth_shared(), hostap_input(), hostap_recv_mgmt(), setmlme_common(), and sta_recv_mgmt().

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ieee80211_setup_rates()

int ieee80211_setup_rates	(	struct ieee80211_node *	ni,
		const uint8_t *	rates,
		const uint8_t *	xrates,
		int	flags
	)

Definition at line 425 of file ieee80211_input.c.

References ieee80211_fix_rate(), IEEE80211_MSG_XRATE, IEEE80211_NOTE, IEEE80211_RATE_MAXSIZE, ieee80211_stats::is_rx_rstoobig, ieee80211vap::iv_stats, ieee80211_node::ni_rates, ieee80211_node::ni_vap, ieee80211_rateset::rs_nrates, and ieee80211_rateset::rs_rates.

Referenced by hostap_recv_mgmt(), ieee80211_init_neighbor(), ieee80211_sta_join(), and sta_recv_mgmt().

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isatherosoui()

static __inline int isatherosoui ( const uint8_t *  frm )

static

Definition at line 113 of file ieee80211_input.h.

References ATH_OUI, and ATH_OUI_TYPE.

Referenced by hostap_recv_mgmt(), ieee80211_ies_expand(), and ieee80211_parse_beacon().

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ishtcapoui()

static __inline int ishtcapoui ( const uint8_t *  frm )

static

Definition at line 125 of file ieee80211_input.h.

References BCM_OUI, and BCM_OUI_HTCAP.

Referenced by hostap_recv_mgmt(), ieee80211_parse_beacon(), and sta_recv_mgmt().

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ishtinfooui()

static __inline int ishtinfooui ( const uint8_t *  frm )

static

Definition at line 131 of file ieee80211_input.h.

References BCM_OUI, and BCM_OUI_HTINFO.

Referenced by ieee80211_parse_beacon(), and sta_recv_mgmt().

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istdmaoui()

static __inline int istdmaoui ( const uint8_t *  frm )

static

Definition at line 119 of file ieee80211_input.h.

References TDMA_OUI, and TDMA_OUI_TYPE.

Referenced by ieee80211_ies_expand(), and ieee80211_parse_beacon().

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iswmeinfo()

static __inline int iswmeinfo ( const uint8_t *  frm )

static

Definition at line 106 of file ieee80211_input.h.

References WME_INFO_OUI_SUBTYPE, WME_OUI, and WME_OUI_TYPE.

Referenced by hostap_recv_mgmt(), and ieee80211_parse_beacon().

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iswmeoui()

static __inline int iswmeoui ( const uint8_t *  frm )

static

Definition at line 93 of file ieee80211_input.h.

References WME_OUI, and WME_OUI_TYPE.

Referenced by ieee80211_ies_expand(), and sta_recv_mgmt().

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iswmeparam()

static __inline int iswmeparam ( const uint8_t *  frm )

static

Definition at line 99 of file ieee80211_input.h.

References WME_OUI, WME_OUI_TYPE, and WME_PARAM_OUI_SUBTYPE.

Referenced by ieee80211_parse_beacon().

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iswpaoui()

static __inline int iswpaoui ( const uint8_t *  frm )

static

Definition at line 87 of file ieee80211_input.h.

References WPA_OUI, and WPA_OUI_TYPE.

Referenced by hostap_recv_mgmt(), ieee80211_ies_expand(), and ieee80211_parse_beacon().

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