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85 lines
2.5 KiB
Diff
85 lines
2.5 KiB
Diff
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Wed, 29 Jun 2016 21:54:27 +0200
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Subject: [PATCH] brcmfmac: support removing AP interfaces with
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"interface_remove"
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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New firmwares (e.g. 10.10.69.36 for BCM4366) support "interface_remove"
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for removing interfaces. Try to use this method on cfg80211 request. In
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case of older firmwares (e.g. 7.35.177.56 for BCM43602 as I tested) this
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will just result in firmware rejecting command and this won't change any
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behavior.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -785,12 +785,48 @@ s32 brcmf_notify_escan_complete(struct b
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return err;
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}
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+static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy,
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+ struct wireless_dev *wdev)
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+{
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+ struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
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+ struct net_device *ndev = wdev->netdev;
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+ struct brcmf_if *ifp = netdev_priv(ndev);
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+ int ret;
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+ int err;
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+
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+ brcmf_cfg80211_arm_vif_event(cfg, ifp->vif);
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+
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+ err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0);
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+ if (err) {
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+ brcmf_err("interface_remove failed %d\n", err);
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+ goto err_unarm;
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+ }
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+
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+ /* wait for firmware event */
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+ ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL,
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+ BRCMF_VIF_EVENT_TIMEOUT);
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+ if (!ret) {
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+ brcmf_err("timeout occurred\n");
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+ err = -EIO;
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+ goto err_unarm;
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+ }
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+
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+ brcmf_remove_interface(ifp, true);
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+
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+err_unarm:
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+ brcmf_cfg80211_arm_vif_event(cfg, NULL);
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+ return err;
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+}
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+
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static
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int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
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{
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struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
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struct net_device *ndev = wdev->netdev;
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+ if (ndev && ndev == cfg_to_ndev(cfg))
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+ return -ENOTSUPP;
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+
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/* vif event pending in firmware */
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if (brcmf_cfg80211_vif_event_armed(cfg))
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return -EBUSY;
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@@ -807,12 +843,13 @@ int brcmf_cfg80211_del_iface(struct wiph
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switch (wdev->iftype) {
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case NL80211_IFTYPE_ADHOC:
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case NL80211_IFTYPE_STATION:
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- case NL80211_IFTYPE_AP:
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case NL80211_IFTYPE_AP_VLAN:
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case NL80211_IFTYPE_WDS:
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case NL80211_IFTYPE_MONITOR:
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case NL80211_IFTYPE_MESH_POINT:
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return -EOPNOTSUPP;
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+ case NL80211_IFTYPE_AP:
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+ return brcmf_cfg80211_del_ap_iface(wiphy, wdev);
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case NL80211_IFTYPE_P2P_CLIENT:
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case NL80211_IFTYPE_P2P_GO:
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case NL80211_IFTYPE_P2P_DEVICE:
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