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mac80211: don't wait for TX status forever

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TX status notification can get lost, or the frames could
get stuck on the queue, so don't wait for the callback
from the driver forever and instead time out after half
a second.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-07-29 23:07:43 +02:00
parent b56e4b857c
commit cb236d2d71
1 changed files with 12 additions and 3 deletions
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15
net/mac80211/mlme.c
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@ -31,10 +31,12 @@
#include "led.h"
#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
#define IEEE80211_AUTH_TIMEOUT_LONG (HZ / 2)
#define IEEE80211_AUTH_TIMEOUT_SHORT (HZ / 10)
#define IEEE80211_AUTH_MAX_TRIES 3
#define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5)
#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
#define IEEE80211_ASSOC_TIMEOUT_LONG (HZ / 2)
#define IEEE80211_ASSOC_TIMEOUT_SHORT (HZ / 10)
#define IEEE80211_ASSOC_MAX_TRIES 3
@ -3394,10 +3396,13 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
if (tx_flags == 0) {
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
ifmgd->auth_data->timeout_started = true;
auth_data->timeout_started = true;
run_again(sdata, auth_data->timeout);
} else {
auth_data->timeout_started = false;
auth_data->timeout =
round_jiffies_up(jiffies + IEEE80211_AUTH_TIMEOUT_LONG);
auth_data->timeout_started = true;
run_again(sdata, auth_data->timeout);
}
return 0;
@ -3434,7 +3439,11 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
assoc_data->timeout_started = true;
run_again(sdata, assoc_data->timeout);
} else {
assoc_data->timeout_started = false;
assoc_data->timeout =
round_jiffies_up(jiffies +
IEEE80211_ASSOC_TIMEOUT_LONG);
assoc_data->timeout_started = true;
run_again(sdata, assoc_data->timeout);
}
return 0;