ieee80211_input.c File Reference

#include <sys/cdefs.h>
#include "opt_wlan.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_llc.h>
#include <net/if_media.h>
#include <net/if_vlan_var.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_input.h>
#include <net/bpf.h>

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Macros
#define	FF_LLC_SIZE   (sizeof(struct ether_header) + sizeof(struct llc))

Functions
	__FBSDID ("$FreeBSD$")
static void	ieee80211_process_mimo (struct ieee80211_node *ni, struct ieee80211_rx_stats *rx)
int	ieee80211_input_mimo (struct ieee80211_node *ni, struct mbuf *m)
int	ieee80211_input_all (struct ieee80211com *ic, struct mbuf *m, int rssi, int nf)
int	ieee80211_input_mimo_all (struct ieee80211com *ic, struct mbuf *m)
struct mbuf *	ieee80211_defrag (struct ieee80211_node *ni, struct mbuf *m, int hdrspace, int has_decrypted)
void	ieee80211_deliver_data (struct ieee80211vap *vap, struct ieee80211_node *ni, struct mbuf *m)
struct mbuf *	ieee80211_decap (struct ieee80211vap *vap, struct mbuf *m, int hdrlen, uint8_t qos)
struct mbuf *	ieee80211_decap1 (struct mbuf *m, int *framelen)
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 *ni, const uint8_t mac[IEEE80211_ADDR_LEN], int subtype, int arg)
int	ieee80211_alloc_challenge (struct ieee80211_node *ni)
int	ieee80211_parse_beacon (struct ieee80211_node *ni, struct mbuf *m, struct ieee80211_channel *rxchan, struct ieee80211_scanparams *scan)
int	ieee80211_parse_action (struct ieee80211_node *ni, struct mbuf *m)

Macro Definition Documentation

FF_LLC_SIZE

#define FF_LLC_SIZE   (sizeof(struct ether_header) + sizeof(struct llc))

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

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_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_input_all()

int ieee80211_input_all	(	struct ieee80211com *	ic,
		struct mbuf *	m,
		int	rssi,
		int	nf
	)

Definition at line 105 of file ieee80211_input.c.

References ieee80211_rx_stats::c_nf, ieee80211_rx_stats::c_rssi, ieee80211_add_rx_params(), ieee80211_input_mimo_all(), IEEE80211_R_NF, IEEE80211_R_RSSI, and ieee80211_rx_stats::r_flags.

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ieee80211_input_mimo()

int ieee80211_input_mimo	(	struct ieee80211_node *	ni,
		struct mbuf *	m
	)

Definition at line 88 of file ieee80211_input.c.

References ieee80211_rx_stats::c_nf, ieee80211_rx_stats::c_rssi, ieee80211_get_rx_params(), ieee80211_process_mimo(), ieee80211vap::iv_input, and ieee80211_node::ni_vap.

Referenced by ieee80211_input_mimo_all().

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ieee80211_input_mimo_all()

int ieee80211_input_mimo_all	(	struct ieee80211com *	ic,
		struct mbuf *	m
	)

Definition at line 120 of file ieee80211_input.c.

References ieee80211_free_node(), ieee80211_input_mimo(), IEEE80211_M_WDS, ieee80211_ref_node(), IEEE80211_S_INIT, ieee80211vap::iv_bss, ieee80211vap::iv_opmode, and ieee80211vap::iv_state.

Referenced by ieee80211_input_all().

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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_process_mimo()

static void ieee80211_process_mimo ( struct ieee80211_node *  ni, struct ieee80211_rx_stats *  rx  )

static

Definition at line 64 of file ieee80211_input.c.

References ieee80211_rx_stats::c_chain, ieee80211_rx_stats::c_nf_ctl, ieee80211_rx_stats::c_nf_ext, ieee80211_rx_stats::c_rssi_ctl, ieee80211_rx_stats::c_rssi_ext, IEEE80211_MAX_CHAINS, IEEE80211_R_C_CHAIN, IEEE80211_R_C_NF, IEEE80211_R_C_RSSI, IEEE80211_RSSI_LPF, ieee80211_node::ni_mimo_chains, ieee80211_node::ni_mimo_noise_ctl, ieee80211_node::ni_mimo_noise_ext, ieee80211_node::ni_mimo_rssi_ctl, ieee80211_node::ni_mimo_rssi_ext, and ieee80211_rx_stats::r_flags.

Referenced by ieee80211_input_mimo().

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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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