diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/319-mac80211-introduce-set_radar_offchan-callback.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/319-mac80211-introduce-set_radar_offchan-callback.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/319-mac80211-introduce-set_radar_offchan-callback.patch b/package/kernel/mac80211/patches/subsys/319-mac80211-introduce-set_radar_offchan-callback.patch new file mode 100644 index 0000000000..127b86e76d --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/319-mac80211-introduce-set_radar_offchan-callback.patch @@ -0,0 +1,67 @@ +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Sat, 23 Oct 2021 11:10:51 +0200 +Subject: [PATCH] mac80211: introduce set_radar_offchan callback + +Similar to cfg80211, introduce set_radar_offchan callback in mac80211_ops +in order to configure a dedicated offchannel chain available on some hw +(e.g. mt7915) to perform offchannel CAC detection and avoid tx/rx downtime. + +Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Link: https://lore.kernel.org/r/201110606d4f3a7dfdf31440e351f2e2c375d4f0.1634979655.git.lorenzo@kernel.org +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -3937,6 +3937,14 @@ 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 ++ * 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 ++ * 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. + * @net_fill_forward_path: Called from .ndo_fill_forward_path in order to + * resolve a path for hardware flow offloading + */ +@@ -4267,6 +4275,8 @@ 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 (*net_fill_forward_path)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, +--- a/net/mac80211/cfg.c ++++ b/net/mac80211/cfg.c +@@ -4344,6 +4344,18 @@ out: + return err; + } + ++static int ++ieee80211_set_radar_offchan(struct wiphy *wiphy, ++ struct cfg80211_chan_def *chandef) ++{ ++ struct ieee80211_local *local = wiphy_priv(wiphy); ++ ++ if (!local->ops->set_radar_offchan) ++ return -EOPNOTSUPP; ++ ++ return local->ops->set_radar_offchan(&local->hw, chandef); ++} ++ + const struct cfg80211_ops mac80211_config_ops = { + .add_virtual_intf = ieee80211_add_iface, + .del_virtual_intf = ieee80211_del_iface, +@@ -4448,4 +4460,5 @@ const struct cfg80211_ops mac80211_confi + .reset_tid_config = ieee80211_reset_tid_config, + .set_sar_specs = ieee80211_set_sar_specs, + .color_change = ieee80211_color_change, ++ .set_radar_offchan = ieee80211_set_radar_offchan, + }; |