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authorJohannes Berg <johannes.berg@intel.com>2020-12-06 14:54:42 +0200
committerJohannes Berg <johannes.berg@intel.com>2020-12-11 13:20:05 +0100
commit3bb02143ff55fec55558da4ad48425bf368eb8ed (patch)
tree7364736e22cddf7afc874844ea12d370dca6d2c7 /net/wireless/mlme.c
parenta5a55032ea654e5fdd9255035bb5066c87d7b95e (diff)
cfg80211: support immediate reconnect request hint
There are cases where it's necessary to disconnect, but an immediate reconnection is desired. Support a hint to userspace that this is the case, by including a new attribute in the deauth or disassoc event. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20201206145305.58d33941fb9d.I0e7168c205c7949529c8e3b86f3c9b12c01a7017@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/mlme.c')
-rw-r--r--net/wireless/mlme.c26
1 files changed, 15 insertions, 11 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 0ac820780437..e1e90761dc00 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -4,7 +4,7 @@
*
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2015 Intel Deutschland GmbH
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2019-2020 Intel Corporation
*/
#include <linux/kernel.h>
@@ -81,7 +81,8 @@ static void cfg80211_process_auth(struct wireless_dev *wdev,
}
static void cfg80211_process_deauth(struct wireless_dev *wdev,
- const u8 *buf, size_t len)
+ const u8 *buf, size_t len,
+ bool reconnect)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
@@ -89,7 +90,7 @@ static void cfg80211_process_deauth(struct wireless_dev *wdev,
u16 reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
- nl80211_send_deauth(rdev, wdev->netdev, buf, len, GFP_KERNEL);
+ nl80211_send_deauth(rdev, wdev->netdev, buf, len, reconnect, GFP_KERNEL);
if (!wdev->current_bss ||
!ether_addr_equal(wdev->current_bss->pub.bssid, bssid))
@@ -100,7 +101,8 @@ static void cfg80211_process_deauth(struct wireless_dev *wdev,
}
static void cfg80211_process_disassoc(struct wireless_dev *wdev,
- const u8 *buf, size_t len)
+ const u8 *buf, size_t len,
+ bool reconnect)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
@@ -108,7 +110,8 @@ static void cfg80211_process_disassoc(struct wireless_dev *wdev,
u16 reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
- nl80211_send_disassoc(rdev, wdev->netdev, buf, len, GFP_KERNEL);
+ nl80211_send_disassoc(rdev, wdev->netdev, buf, len, reconnect,
+ GFP_KERNEL);
if (WARN_ON(!wdev->current_bss ||
!ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
@@ -133,9 +136,9 @@ void cfg80211_rx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
if (ieee80211_is_auth(mgmt->frame_control))
cfg80211_process_auth(wdev, buf, len);
else if (ieee80211_is_deauth(mgmt->frame_control))
- cfg80211_process_deauth(wdev, buf, len);
+ cfg80211_process_deauth(wdev, buf, len, false);
else if (ieee80211_is_disassoc(mgmt->frame_control))
- cfg80211_process_disassoc(wdev, buf, len);
+ cfg80211_process_disassoc(wdev, buf, len, false);
}
EXPORT_SYMBOL(cfg80211_rx_mlme_mgmt);
@@ -180,22 +183,23 @@ void cfg80211_abandon_assoc(struct net_device *dev, struct cfg80211_bss *bss)
}
EXPORT_SYMBOL(cfg80211_abandon_assoc);
-void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len)
+void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len,
+ bool reconnect)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct ieee80211_mgmt *mgmt = (void *)buf;
ASSERT_WDEV_LOCK(wdev);
- trace_cfg80211_tx_mlme_mgmt(dev, buf, len);
+ trace_cfg80211_tx_mlme_mgmt(dev, buf, len, reconnect);
if (WARN_ON(len < 2))
return;
if (ieee80211_is_deauth(mgmt->frame_control))
- cfg80211_process_deauth(wdev, buf, len);
+ cfg80211_process_deauth(wdev, buf, len, reconnect);
else
- cfg80211_process_disassoc(wdev, buf, len);
+ cfg80211_process_disassoc(wdev, buf, len, reconnect);
}
EXPORT_SYMBOL(cfg80211_tx_mlme_mgmt);