* [PATCH] mac80211: notify driver for change in multicast rates
@ 2018-03-20 23:52 Pradeep Kumar Chitrapu
2018-03-21 8:02 ` Johannes Berg
0 siblings, 1 reply; 2+ messages in thread
From: Pradeep Kumar Chitrapu @ 2018-03-20 23:52 UTC (permalink / raw)
To: johannes; +Cc: linux-wireless, Pradeep Kumar Chitrapu
It is required to pass the rate information to driver/firmware
when rate control is offloaded to firmware. This helps in changing
multicast traffic rates thereby improving the network performance.
Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
---
include/net/mac80211.h | 1 +
net/mac80211/cfg.c | 2 ++
net/mac80211/util.c | 3 ++-
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 4c99c13..4360765 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -336,6 +336,7 @@ 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 */
};
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0763792..22bb82e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -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;
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 6aef679..6594df0 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1971,7 +1971,8 @@ 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;
--
1.9.1
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2018-03-20 23:52 [PATCH] mac80211: notify driver for change in multicast rates Pradeep Kumar Chitrapu
2018-03-21 8:02 ` Johannes Berg
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