From: Benjamin Berg Date: Wed, 6 May 2026 03:44:21 +0000 (+0300) Subject: wifi: mac80211_hwsim: select NAN TX channel based on current TSF X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=61de252f994b7973080ffbcc97dce65f663c4a23;p=thirdparty%2Flinux.git wifi: mac80211_hwsim: select NAN TX channel based on current TSF Move the TX channel selection into the NAN specific file and select the channel based on the current slot. Signed-off-by: Benjamin Berg Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20260506064301.c235b5a78b98.I5ec4076a8a9445233dc414c6ecaa39f32f1e9595@changeid Signed-off-by: Johannes Berg --- diff --git a/drivers/net/wireless/virtual/mac80211_hwsim_main.c b/drivers/net/wireless/virtual/mac80211_hwsim_main.c index 6740504b30e6..f0f6cb7fa894 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim_main.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim_main.c @@ -2084,11 +2084,7 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw, hdr = (void *)skb->data; if (vif && vif->type == NL80211_IFTYPE_NAN && !data->tmp_chan) { - /* For NAN Device simulation purposes, assume that NAN is always - * on channel 6 or channel 149, unless a ROC is in progress (for - * USD use cases). - */ - channel = data->nan.channel; + channel = mac80211_hwsim_nan_get_tx_channel(hw); if (WARN_ON(!channel)) { ieee80211_free_txskb(hw, skb); diff --git a/drivers/net/wireless/virtual/mac80211_hwsim_nan.c b/drivers/net/wireless/virtual/mac80211_hwsim_nan.c index 22805c3723e6..10bbac9a4b55 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim_nan.c +++ b/drivers/net/wireless/virtual/mac80211_hwsim_nan.c @@ -310,3 +310,21 @@ bool mac80211_hwsim_nan_txq_transmitting(struct ieee80211_hw *hw, return true; } + +struct ieee80211_channel * +mac80211_hwsim_nan_get_tx_channel(struct ieee80211_hw *hw) +{ + struct mac80211_hwsim_data *data = hw->priv; + u64 tsf = mac80211_hwsim_get_tsf(data->hw, data->nan.device_vif); + u8 slot = hwsim_nan_slot_from_tsf(tsf); + + if (slot == SLOT_24GHZ_DW) + return ieee80211_get_channel(hw->wiphy, 2437); + + if (slot == SLOT_5GHZ_DW && + data->nan.bands & BIT(NL80211_BAND_5GHZ)) + return ieee80211_get_channel(hw->wiphy, 5745); + + /* drop frame and warn, NAN_CHAN_SWITCH_TIME_US should avoid races */ + return NULL; +} diff --git a/drivers/net/wireless/virtual/mac80211_hwsim_nan.h b/drivers/net/wireless/virtual/mac80211_hwsim_nan.h index 6a0780797273..796cc17d194e 100644 --- a/drivers/net/wireless/virtual/mac80211_hwsim_nan.h +++ b/drivers/net/wireless/virtual/mac80211_hwsim_nan.h @@ -39,4 +39,7 @@ int mac80211_hwsim_nan_change_config(struct ieee80211_hw *hw, bool mac80211_hwsim_nan_txq_transmitting(struct ieee80211_hw *hw, struct ieee80211_txq *txq); +struct ieee80211_channel * +mac80211_hwsim_nan_get_tx_channel(struct ieee80211_hw *hw); + #endif /* __MAC80211_HWSIM_NAN_H */