diff options
Diffstat (limited to 'package/kernel/mac80211/patches/862-brcmfmac-workaround-bug-with-some-inconsistent-BSSes.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/862-brcmfmac-workaround-bug-with-some-inconsistent-BSSes.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/package/kernel/mac80211/patches/862-brcmfmac-workaround-bug-with-some-inconsistent-BSSes.patch b/package/kernel/mac80211/patches/862-brcmfmac-workaround-bug-with-some-inconsistent-BSSes.patch deleted file mode 100644 index 4f22a4e719..0000000000 --- a/package/kernel/mac80211/patches/862-brcmfmac-workaround-bug-with-some-inconsistent-BSSes.patch +++ /dev/null @@ -1,50 +0,0 @@ -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Thu, 9 Jul 2015 00:07:59 +0200 -Subject: [PATCH] brcmfmac: workaround bug with some inconsistent BSSes state -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -@@ -650,9 +650,37 @@ static struct wireless_dev *brcmf_cfg802 - u32 *flags, - struct vif_params *params) - { -+ struct net_device *dev; - struct wireless_dev *wdev; - int err; - -+ /* -+ * There is a bug with in-firmware BSS management. When adding virtual -+ * interface brcmfmac first tells firmware to create new BSS and then -+ * it creates new struct net_device. -+ * -+ * If creating/registering netdev(ice) fails, BSS remains in some bugged -+ * state. It conflicts with existing BSSes by overtaking their auth -+ * requests. -+ * -+ * It results in one BSS (addresss X) sending beacons and another BSS -+ * (address Y) replying to authentication requests. This makes interface -+ * unusable as AP. -+ * -+ * To workaround this bug we may try to guess if register_netdev(ice) -+ * will fail. The most obvious case is using interface name that already -+ * exists. This is actually quite likely with brcmfmac & some user space -+ * scripts as brcmfmac doesn't allow deleting virtual interfaces. -+ * So this bug can be triggered even by something trivial like: -+ * iw dev wlan0 delete -+ * iw phy phy0 interface add wlan0 type __ap -+ */ -+ dev = dev_get_by_name(&init_net, name); -+ if (dev) { -+ dev_put(dev); -+ return ERR_PTR(-ENFILE); -+ } -+ - brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); - err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type); - if (err) { |