| Message ID | 1432304759-31767-1-git-send-email-johannes@sipsolutions.net (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Johannes Berg |
| Headers | show |
On Fri, 2015-05-22 at 16:25 +0200, Johannes Berg wrote: > From: Johannes Berg <johannes.berg@intel.com> > > When we disconnect from the AP, drivers call cfg80211_disconnect(). > This doesn't know whether the disconnection was initiated locally > or by the AP though, which can cause problems with the supplicant, > for example with WPS. This issue obviously doesn't show up with any > mac80211 based driver since mac80211 doesn't call this function. > > Fix this by requiring drivers to indicate whether the disconnect is > locally generated or not. I've tried to update the drivers, but may > not have gotten the values correct, and some drivers may currently > not be able to report correct values. In case of doubt I left it at > false, which is the current behaviour. > > Reported-by: Matthieu Mauger <matthieux.mauger@intel.com> > Tested-by: Matthieu Mauger <matthieux.mauger@intel.com> > Signed-off-by: Johannes Berg <johannes.berg@intel.com> > --- > drivers/net/wireless/ath/ath6kl/cfg80211.c | 4 ++-- > drivers/net/wireless/ath/wil6210/main.c | 2 +- > drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c | 4 ++-- > drivers/net/wireless/libertas/cfg.c | 4 ++-- > drivers/net/wireless/mwifiex/join.c | 2 +- > drivers/net/wireless/mwifiex/sta_event.c | 2 +- > drivers/net/wireless/rndis_wlan.c | 2 +- > drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c | 2 +- > drivers/staging/wlan-ng/cfg80211.c | 2 +- > include/net/cfg80211.h | 4 +++- > net/wireless/core.h | 1 + > net/wireless/sme.c | 4 +++- > net/wireless/util.c | 3 ++- > 13 files changed, 21 insertions(+), 15 deletions(-) > > diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c > index 1a4d558022d8..9e3e3176670b 100644 > --- a/drivers/net/wireless/libertas/cfg.c > +++ b/drivers/net/wireless/libertas/cfg.c > @@ -841,7 +841,7 @@ void lbs_send_disconnect_notification(struct lbs_private *priv) > > cfg80211_disconnected(priv->dev, > 0, > - NULL, 0, > + NULL, 0, false, > GFP_KERNEL); lbs_send_disconnect_notification() could use a 'bool locally_generated' parameter that gets passed directly to cfg80211_disconnected(), which in turn gets passed through from a new 'bool locally_generated' parameter for lbs_mac_event_disconnected() (which is the only caller of lbs_send_disconnect_notification). The calls to lbs_mac_event_disconnected() would pass these values: lbs_leave_ibss(): true lbs_process_event(): MACREG_INT_CODE_DEAUTHENTICATED: false lbs_process_event(): MACREG_INT_CODE_DISASSOCIATED: false lbs_process_event(): MACREG_INT_CODE_LINK_LOST_NO_SCAN: true > lbs_deb_leave(LBS_DEB_CFG80211); > @@ -1458,7 +1458,7 @@ int lbs_disconnect(struct lbs_private *priv, u16 reason) > > cfg80211_disconnected(priv->dev, > reason, > - NULL, 0, > + NULL, 0, true, > GFP_KERNEL); > priv->connect_status = LBS_DISCONNECTED; This one is correct. Dan -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index cce4625a53ad..a511ef3614b9 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -889,7 +889,7 @@ void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason, GFP_KERNEL); } else if (vif->sme_state == SME_CONNECTED) { cfg80211_disconnected(vif->ndev, proto_reason, - NULL, 0, GFP_KERNEL); + NULL, 0, false, GFP_KERNEL); } vif->sme_state = SME_DISCONNECTED; @@ -3467,7 +3467,7 @@ void ath6kl_cfg80211_stop(struct ath6kl_vif *vif) GFP_KERNEL); break; case SME_CONNECTED: - cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL); + cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL); break; } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index c2a238426425..38b953e108a7 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -224,7 +224,7 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, if (test_bit(wil_status_fwconnected, wil->status)) { clear_bit(wil_status_fwconnected, wil->status); cfg80211_disconnected(ndev, reason_code, - NULL, 0, GFP_KERNEL); + NULL, 0, false, GFP_KERNEL); } else if (test_bit(wil_status_fwconnecting, wil->status)) { cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c index 8a15ebbce4a3..2e4e42245b8f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -1262,7 +1262,7 @@ static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason) } clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0, - GFP_KERNEL); + true, GFP_KERNEL); } clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); @@ -1928,7 +1928,7 @@ brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL); + cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL); memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); scbval.val = cpu_to_le32(reason_code); diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 1a4d558022d8..9e3e3176670b 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -841,7 +841,7 @@ void lbs_send_disconnect_notification(struct lbs_private *priv) cfg80211_disconnected(priv->dev, 0, - NULL, 0, + NULL, 0, false, GFP_KERNEL); lbs_deb_leave(LBS_DEB_CFG80211); @@ -1458,7 +1458,7 @@ int lbs_disconnect(struct lbs_private *priv, u16 reason) cfg80211_disconnected(priv->dev, reason, - NULL, 0, + NULL, 0, true, GFP_KERNEL); priv->connect_status = LBS_DISCONNECTED; diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c index 411a6c2f4aca..080ec3422db9 100644 --- a/drivers/net/wireless/mwifiex/join.c +++ b/drivers/net/wireless/mwifiex/join.c @@ -1421,7 +1421,7 @@ int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac) ret = mwifiex_deauthenticate_infra(priv, mac); if (ret) cfg80211_disconnected(priv->netdev, 0, NULL, 0, - GFP_KERNEL); + true, GFP_KERNEL); break; case NL80211_IFTYPE_ADHOC: return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_STOP, diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index 0dc7a1d3993d..c9064b88d6a4 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -133,7 +133,7 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code) if (priv->bss_mode == NL80211_IFTYPE_STATION || priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) { cfg80211_disconnected(priv->netdev, reason_code, NULL, 0, - GFP_KERNEL); + false, GFP_KERNEL); } eth_zero_addr(priv->cfg_bssid); diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index d72ff8e7125d..43db6976102f 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2861,7 +2861,7 @@ static void rndis_wlan_do_link_down_work(struct usbnet *usbdev) deauthenticate(usbdev); - cfg80211_disconnected(usbdev->net, 0, NULL, 0, GFP_KERNEL); + cfg80211_disconnected(usbdev->net, 0, NULL, 0, true, GFP_KERNEL); } netif_carrier_off(usbdev->net); diff --git a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c index bc95ce89af06..5ab2f6978209 100644 --- a/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c @@ -379,7 +379,7 @@ void rtw_cfg80211_indicate_disconnect(struct rtw_adapter *padapter) GFP_ATOMIC); } else { cfg80211_disconnected(padapter->pnetdev, 0, NULL, - 0, GFP_ATOMIC); + 0, false, GFP_ATOMIC); } } } diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index 7c87aecf4744..342e2b30c48f 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -722,7 +722,7 @@ void prism2_connect_result(wlandevice_t *wlandev, u8 failed) void prism2_disconnected(wlandevice_t *wlandev) { cfg80211_disconnected(wlandev->netdev, 0, NULL, - 0, GFP_KERNEL); + 0, false, GFP_KERNEL); } void prism2_roamed(wlandevice_t *wlandev) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index d63ecec73090..a741678f24a2 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4575,13 +4575,15 @@ void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss, * @ie: information elements of the deauth/disassoc frame (may be %NULL) * @ie_len: length of IEs * @reason: reason code for the disconnection, set it to 0 if unknown + * @locally_generated: disconnection was requested locally * @gfp: allocation flags * * After it calls this function, the driver should enter an idle state * and not try to connect to any AP any more. */ void cfg80211_disconnected(struct net_device *dev, u16 reason, - const u8 *ie, size_t ie_len, gfp_t gfp); + const u8 *ie, size_t ie_len, + bool locally_generated, gfp_t gfp); /** * cfg80211_ready_on_channel - notification of remain_on_channel start diff --git a/net/wireless/core.h b/net/wireless/core.h index 801cd49c5a0c..311eef26bf88 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -222,6 +222,7 @@ struct cfg80211_event { const u8 *ie; size_t ie_len; u16 reason; + bool locally_generated; } dc; struct { u8 bssid[ETH_ALEN]; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index d11454f87bac..8020b5b094d4 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -938,7 +938,8 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, } void cfg80211_disconnected(struct net_device *dev, u16 reason, - const u8 *ie, size_t ie_len, gfp_t gfp) + const u8 *ie, size_t ie_len, + bool locally_generated, gfp_t gfp) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); @@ -954,6 +955,7 @@ void cfg80211_disconnected(struct net_device *dev, u16 reason, ev->dc.ie_len = ie_len; memcpy((void *)ev->dc.ie, ie, ie_len); ev->dc.reason = reason; + ev->dc.locally_generated = locally_generated; spin_lock_irqsave(&wdev->event_lock, flags); list_add_tail(&ev->list, &wdev->event_list); diff --git a/net/wireless/util.c b/net/wireless/util.c index 70051ab52f4f..4cb34557b873 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -887,7 +887,8 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev) case EVENT_DISCONNECTED: __cfg80211_disconnected(wdev->netdev, ev->dc.ie, ev->dc.ie_len, - ev->dc.reason, true); + ev->dc.reason, + !ev->dc.locally_generated); break; case EVENT_IBSS_JOINED: __cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid,