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ieee80211_find_sta_by_ifaddr(9) [centos man page]

IEEE80211_FIND_STA_B(9) 				     Advanced driver interface					   IEEE80211_FIND_STA_B(9)

NAME
ieee80211_find_sta_by_ifaddr - find a station on hardware SYNOPSIS
struct ieee80211_sta * ieee80211_find_sta_by_ifaddr(struct ieee80211_hw * hw, const u8 * addr, const u8 * localaddr); ARGUMENTS
hw pointer as obtained from ieee80211_alloc_hw addr remote station's address localaddr local address (vif->sdata->vif.addr). Use NULL for 'any'. RETURN
The station, if found. NULL otherwise. NOTE
This function must be called under RCU lock and the resulting pointer is only valid under RCU lock as well. NOTE
You may pass NULL for localaddr, but then you will just get the first STA that matches the remote address 'addr'. We can have multiple STA associated with multiple logical stations (e.g. consider a station connecting to another BSSID on the same AP hardware without disconnecting first). In this case, the result of this method with localaddr NULL is not reliable. DO NOT USE THIS FUNCTION with localaddr NULL if at all possible. AUTHOR
Johannes Berg <johannes@sipsolutions.net> Author. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 IEEE80211_FIND_STA_B(9)

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ENUM 
IEEE80211_STA_I(9) Internals ENUM IEEE80211_STA_I(9) NAME
enum_ieee80211_sta_info_flags - Stations flags SYNOPSIS
enum ieee80211_sta_info_flags { WLAN_STA_AUTH, WLAN_STA_ASSOC, WLAN_STA_PS_STA, WLAN_STA_AUTHORIZED, WLAN_STA_SHORT_PREAMBLE, WLAN_STA_WME, WLAN_STA_WDS, WLAN_STA_CLEAR_PS_FILT, WLAN_STA_MFP, WLAN_STA_BLOCK_BA, WLAN_STA_PS_DRIVER, WLAN_STA_PSPOLL, WLAN_STA_TDLS_PEER, WLAN_STA_TDLS_PEER_AUTH, WLAN_STA_UAPSD, WLAN_STA_SP, WLAN_STA_4ADDR_EVENT, WLAN_STA_INSERTED, WLAN_STA_RATE_CONTROL, WLAN_STA_TOFFSET_KNOWN, WLAN_STA_MPSP_OWNER, WLAN_STA_MPSP_RECIPIENT }; CONSTANTS
WLAN_STA_AUTH Station is authenticated. WLAN_STA_ASSOC Station is associated. WLAN_STA_PS_STA Station is in power-save mode WLAN_STA_AUTHORIZED Station is authorized to send/receive traffic. This bit is always checked so needs to be enabled for all stations when virtual port control is not in use. WLAN_STA_SHORT_PREAMBLE Station is capable of receiving short-preamble frames. WLAN_STA_WME Station is a QoS-STA. WLAN_STA_WDS Station is one of our WDS peers. WLAN_STA_CLEAR_PS_FILT Clear PS filter in hardware (using the IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next frame to this station is transmitted. WLAN_STA_MFP Management frame protection is used with this STA. WLAN_STA_BLOCK_BA Used to deny ADDBA requests (both TX and RX) during suspend/resume and station removal. WLAN_STA_PS_DRIVER driver requires keeping this station in power-save mode logically to flush frames that might still be in the queues WLAN_STA_PSPOLL Station sent PS-poll while driver was keeping station in power-save mode, reply when the driver unblocks. WLAN_STA_TDLS_PEER Station is a TDLS peer. WLAN_STA_TDLS_PEER_AUTH This TDLS peer is authorized to send direct packets. This means the link is enabled. WLAN_STA_UAPSD Station requested unscheduled SP while driver was keeping station in power-save mode, reply when the driver unblocks the station. WLAN_STA_SP Station is in a service period, so don't try to reply to other uAPSD trigger frames or PS-Poll. WLAN_STA_4ADDR_EVENT 4-addr event was already sent for this frame. WLAN_STA_INSERTED This station is inserted into the hash table. WLAN_STA_RATE_CONTROL rate control was initialized for this station. WLAN_STA_TOFFSET_KNOWN toffset calculated for this station is valid. WLAN_STA_MPSP_OWNER local STA is owner of a mesh Peer Service Period. WLAN_STA_MPSP_RECIPIENT local STA is recipient of a MPSP. DESCRIPTION
These flags are used with struct sta_info's flags member, but only indirectly with set_sta_flag and friends. AUTHOR
Johannes Berg <johannes@sipsolutions.net> Author. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 ENUM IEEE80211_STA_I(9)
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