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[06/12] brcmfmac: ignore IF event if firmware indicates it

Message ID 1376130450-29746-7-git-send-email-arend@broadcom.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Arend van Spriel Aug. 10, 2013, 10:27 a.m. UTC 
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>
---
 drivers/net/wireless/brcm80211/brcmfmac/dhd.h  | 2 ++
 drivers/net/wireless/brcm80211/brcmfmac/fweh.c | 4 ++++
 2 files changed, 6 insertions(+)
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Patch

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
index 1273dfd..2eb9e64 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 83ee53a..fad77dd 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);