Commit eb87d3e0 authored by John Crispin's avatar John Crispin Committed by Johannes Berg
Browse files

mac80211: notify non-transmitting BSS of color changes 



When color change is triggered in multiple bssid case, allow
only for transmitting BSS, and when it changes its bss color,
notify the non transmitting BSSs also of the new bss color.

Signed-off-by: default avatarJohn Crispin <john@phrozen.org>
Co-developed-by: default avatarLavanya Suresh <lavaks@codeaurora.org>
Signed-off-by: default avatarLavanya Suresh <lavaks@codeaurora.org>
Co-developed-by: default avatarRameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: default avatarRameshkumar Sundaram <quic_ramess@quicinc.com>
Link: https://lore.kernel.org/r/1637146647-16282-1-git-send-email-quic_ramess@quicinc.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent dc530783

net/mac80211/cfg.c

+18 −0
Original line number Diff line number Diff line
@@ -4268,6 +4268,21 @@ ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata, 
	changed |= BSS_CHANGED_HE_BSS_COLOR;



	ieee80211_bss_info_change_notify(sdata, changed);



	if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) {

		struct ieee80211_sub_if_data *child;



		mutex_lock(&sdata->local->iflist_mtx);

		list_for_each_entry(child, &sdata->local->interfaces, list) {

			if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) {

				child->vif.bss_conf.he_bss_color.color = color;

				child->vif.bss_conf.he_bss_color.enabled = enable;

				ieee80211_bss_info_change_notify(child,

								 BSS_CHANGED_HE_BSS_COLOR);

			}

		}

		mutex_unlock(&sdata->local->iflist_mtx);

	}

}



static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata)
@@ -4352,6 +4367,9 @@ ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 


	sdata_assert_lock(sdata);



	if (sdata->vif.bss_conf.nontransmitted)

		return -EINVAL;



	mutex_lock(&local->mtx);



	/* don't allow another color change if one is already active or if csa