In some congested environments APs return
WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA on auth/assoc
attempt. Instead of failing immediately, retry again
in 200 msec.
Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
---
depends on "mac80211: fail authentication when AP denied authentication"
net/mac80211/mlme.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2b5235e..6b3ce84 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1790,6 +1790,19 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
if (status_code != WLAN_STATUS_SUCCESS) {
printk(KERN_DEBUG "%s: %pM denied authentication (status %d)\n",
sdata->name, mgmt->sa, status_code);
+
+ if (status_code == WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA) {
+ /* can't auth right now, try again in 200 ms */
+ u32 ms = 200;
+ printk(KERN_DEBUG "%s: %pM rejected authentication; "
+ "try again in %u ms\n",
+ sdata->name, mgmt->sa, ms);
+ ifmgd->auth_data->timeout = jiffies +
+ msecs_to_jiffies(ms);
+ run_again(ifmgd, ifmgd->auth_data->timeout);
+ return RX_MGMT_NONE;
+ }
+
ieee80211_destroy_auth_data(sdata, false);
return RX_MGMT_CFG80211_RX_AUTH;
}
@@ -2152,6 +2165,17 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_NONE;
}
+ if (status_code == WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA) {
+ /* can't assoc us right now, try again in 200 ms */
+ u32 ms = 200;
+ printk(KERN_DEBUG "%s: %pM rejected association; "
+ "try again in %u ms\n",
+ sdata->name, mgmt->sa, ms);
+ assoc_data->timeout = jiffies + msecs_to_jiffies(ms);
+ run_again(ifmgd, assoc_data->timeout);
+ return RX_MGMT_NONE;
+ }
+
*bss = assoc_data->bss;
if (status_code != WLAN_STATUS_SUCCESS) {
--
1.7.6.401.g6a319
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