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mac80211: notify driver for change in multicast rates

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With drivers implementing rate control in driver or firmware
rate_control_send_low() may not get called, and thus the
driver needs to know about changes in the multicast rate.

Add and use a new BSS change flag for this.

Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Pradeep Kumar Chitrapu 2018-03-22 12:18:03 -07:00 committed by Johannes Berg
parent 13cf6dec93
commit dcbe73ca55
5 changed files with 10 additions and 3 deletions
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3
include/net/mac80211.h
View File

@ -302,6 +302,8 @@ struct ieee80211_vif_chanctx_switch {
* @BSS_CHANGED_MU_GROUPS: VHT MU-MIMO group id or user position changed
* @BSS_CHANGED_KEEP_ALIVE: keep alive options (idle period or protected
* keep alive) changed.
* @BSS_CHANGED_MCAST_RATE: Multicast Rate setting changed for this interface
*
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
@ -329,6 +331,7 @@ enum ieee80211_bss_change {
BSS_CHANGED_OCB = 1<<22,
BSS_CHANGED_MU_GROUPS = 1<<23,
BSS_CHANGED_KEEP_ALIVE = 1<<24,
BSS_CHANGED_MCAST_RATE = 1<<25,
/* when adding here, make sure to change ieee80211_reconfig */
};

2
net/mac80211/cfg.c
View File

@ -2313,6 +2313,8 @@ static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
memcpy(sdata->vif.bss_conf.mcast_rate, rate,
sizeof(int) * NUM_NL80211_BANDS);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
return 0;
}

2
net/mac80211/ibss.c
View File

@ -1839,7 +1839,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
| IEEE80211_HT_PARAM_RIFS_MODE;
changed |= BSS_CHANGED_HT;
changed |= BSS_CHANGED_HT | BSS_CHANGED_MCAST_RATE;
ieee80211_bss_info_change_notify(sdata, changed);
sdata->smps_mode = IEEE80211_SMPS_OFF;

3
net/mac80211/mesh.c
View File

@ -880,7 +880,8 @@ int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
BSS_CHANGED_BEACON_ENABLED |
BSS_CHANGED_HT |
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT;
BSS_CHANGED_BEACON_INT |
BSS_CHANGED_MCAST_RATE;
local->fif_other_bss++;
/* mesh ifaces must set allmulti to forward mcast traffic */

3
net/mac80211/util.c
View File

@ -1968,7 +1968,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_CQM |
BSS_CHANGED_QOS |
BSS_CHANGED_IDLE |
BSS_CHANGED_TXPOWER;
BSS_CHANGED_TXPOWER |
BSS_CHANGED_MCAST_RATE;
if (sdata->vif.mu_mimo_owner)
changed |= BSS_CHANGED_MU_GROUPS;