From 2ee8382fc6c763c76396a6aaff77a27089eed3aa Mon Sep 17 00:00:00 2001
From: Arend van Spriel <arend@broadcom.com>
Date: Sat, 10 Aug 2013 12:27:24 +0200
Subject: [PATCH] brcmfmac: ignore IF event if firmware indicates it
Not every IF event from the firmware needs to result in a
related interface, netdev or wdev, on the host. This is
indicated in the event message. Handle that flag and effectively
ignore the firmware event.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/brcm80211/brcmfmac/dhd.h | 2 ++
drivers/net/wireless/brcm80211/brcmfmac/fweh.c | 4 ++++
2 files changed, 6 insertions(+)
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
index 1273dfdb521b..2eb9e642c9bf 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
@@ -194,6 +194,8 @@
#define BRCMF_E_IF_DEL 2
#define BRCMF_E_IF_CHANGE 3
+#define BRCMF_E_IF_FLAG_NOIF 1
+
#define BRCMF_E_IF_ROLE_STA 0
#define BRCMF_E_IF_ROLE_AP 1
#define BRCMF_E_IF_ROLE_WDS 2
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
index 83ee53a7c76e..fad77dd2a3a5 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
@@ -185,6 +185,10 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
ifevent->action, ifevent->ifidx, ifevent->bssidx,
ifevent->flags, ifevent->role);
+ if (ifevent->flags & BRCMF_E_IF_FLAG_NOIF) {
+ brcmf_dbg(EVENT, "event can be ignored\n");
+ return;
+ }
if (ifevent->ifidx >= BRCMF_MAX_IFS) {
brcmf_err("invalid interface index: %u\n",
ifevent->ifidx);
--
2.34.1