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[RFT] brcmfmac: add support to move wiphy instance into network namespace

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To support network namespace the driver must assure all created
network interfaces are in the same namespace as the wiphy instance.

Reported-by: Mark Asselstine <mark.asselstine@xxxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
---
Hi Mark,

Please check this patch. I can not say I am an expert when it comes
to using namespaces. So let me know if it works and I can change
Reported-by into Tested-by.

Regards,
Arend
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 ++-
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c     | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 3856de6..e0d65df 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6450,7 +6450,8 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
 				    BIT(NL80211_BSS_SELECT_ATTR_BAND_PREF) |
 				    BIT(NL80211_BSS_SELECT_ATTR_RSSI_ADJUST);
 
-	wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
+	wiphy->flags |= WIPHY_FLAG_NETNS_OK |
+			WIPHY_FLAG_PS_ON_BY_DEFAULT |
 			WIPHY_FLAG_OFFCHAN_TX |
 			WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 	if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_TDLS))
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 22b4883..74ede27 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -463,6 +463,7 @@ static int brcmf_netdev_open(struct net_device *ndev)
 int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
 {
 	struct brcmf_pub *drvr = ifp->drvr;
+	struct wiphy *wiphy;
 	struct net_device *ndev;
 	s32 err;
 
@@ -476,8 +477,10 @@ int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
 	ndev->needed_headroom += drvr->hdrlen;
 	ndev->ethtool_ops = &brcmf_ethtool_ops;
 
-	/* set the mac address */
+	/* set the mac address & netns */
 	memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
+	wiphy = cfg_to_wiphy(drvr->config);
+	dev_net_set(ndev, wiphy_net(wiphy));
 
 	INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
 	INIT_WORK(&ifp->ndoffload_work, _brcmf_update_ndtable);
-- 
1.9.1




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