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cfg80211: rename offchannel_chain structs to background_chain to avoid confusion with ETSI standard

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ETSI standard defines "Offchannel CAC" as:
"Off-Channel CAC is performed by a number of non-continuous checks
spread over a period in time. This period, which is required to
determine the presence of radar signals, is defined as the Off-Channel
CAC Time..
Minimum Off-Channel CAC Time 6 minutes and Maximum Off-Channel CAC Time
4 hours..".
mac80211 implementation refers to a dedicated hw chain used for continuous
radar monitoring. Rename offchannel_* references to background_* in
order to avoid confusion with ETSI standard.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/4204cc1d648d76b44557981713231e030a3bd991.1638190762.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Lorenzo Bianconi
2021-11-29 14:11:24 +01:00
committed by Johannes Berg
parent 852a07c10d
commit a95bfb876f
11 changed files with 102 additions and 100 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/net/cfg80211.h
+10 -10
View File
@@ -4073,14 +4073,14 @@ struct mgmt_frame_regs {
* those to decrypt (Re)Association Request and encrypt (Re)Association
* Response frame.
*
* @set_radar_offchan: Configure dedicated offchannel chain available for
* @set_radar_background: Configure dedicated offchannel chain available for
* radar/CAC detection on some hw. This chain can't be used to transmit
* or receive frames and it is bounded to a running wdev.
* Offchannel radar/CAC detection allows to avoid the CAC downtime
* Background radar/CAC detection allows to avoid the CAC downtime
* switching to a different channel during CAC detection on the selected
* radar channel.
* The caller is expected to set chandef pointer to NULL in order to
* disable offchannel CAC/radar detection.
* disable background CAC/radar detection.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -4413,8 +4413,8 @@ struct cfg80211_ops {
struct cfg80211_color_change_settings *params);
int (*set_fils_aad)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_fils_aad *fils_aad);
int (*set_radar_offchan)(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef);
int (*set_radar_background)(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef);
};
/*
@@ -7626,9 +7626,9 @@ cfg80211_radar_event(struct wiphy *wiphy,
}
static inline void
cfg80211_offchan_radar_event(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef,
gfp_t gfp)
cfg80211_background_radar_event(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef,
gfp_t gfp)
{
__cfg80211_radar_event(wiphy, chandef, true, gfp);
}
@@ -7663,13 +7663,13 @@ void cfg80211_cac_event(struct net_device *netdev,
enum nl80211_radar_event event, gfp_t gfp);
/**
* cfg80211_offchan_cac_abort - Channel Availability Check offchan abort event
* cfg80211_background_cac_abort - Channel Availability Check offchan abort event
* @wiphy: the wiphy
*
* This function is called by the driver when a Channel Availability Check
* (CAC) is aborted by a offchannel dedicated chain.
*/
void cfg80211_offchan_cac_abort(struct wiphy *wiphy);
void cfg80211_background_cac_abort(struct wiphy *wiphy);
/**
* cfg80211_gtk_rekey_notify - notify userspace about driver rekeying
include/net/mac80211.h
+5 -5
View File
@@ -3939,14 +3939,14 @@ struct ieee80211_prep_tx_info {
* twt structure.
* @twt_teardown_request: Update the hw with TWT teardown request received
* from the peer.
* @set_radar_offchan: Configure dedicated offchannel chain available for
* @set_radar_background: Configure dedicated offchannel chain available for
* radar/CAC detection on some hw. This chain can't be used to transmit
* or receive frames and it is bounded to a running wdev.
* Offchannel radar/CAC detection allows to avoid the CAC downtime
* Background radar/CAC detection allows to avoid the CAC downtime
* switching to a different channel during CAC detection on the selected
* radar channel.
* The caller is expected to set chandef pointer to NULL in order to
* disable offchannel CAC/radar detection.
* disable background CAC/radar detection.
* @net_fill_forward_path: Called from .ndo_fill_forward_path in order to
* resolve a path for hardware flow offloading
*/
@@ -4277,8 +4277,8 @@ struct ieee80211_ops {
struct ieee80211_twt_setup *twt);
void (*twt_teardown_request)(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u8 flowid);
int (*set_radar_offchan)(struct ieee80211_hw *hw,
struct cfg80211_chan_def *chandef);
int (*set_radar_background)(struct ieee80211_hw *hw,
struct cfg80211_chan_def *chandef);
int (*net_fill_forward_path)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,