Rekeying PTK for STA <mac> but driver can't safely do that.
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- Dominant language
- C
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Description
Hi
I'm using STA mode (connected to an AP on which I don't have control)
Connection is WPA2-Enterprise encrypted, every 15 minute I get this message on log Rekeying PTK for STA XX:XX:XX:XX:XX:XX but driver can't safely do that. and half the time the STA (so my router) disconnect going again through all connection process
Searching online and combing through the code it seem like to me that the driver do not have configured either IEEE80211_KEY_FLAG_NO_AUTO_TX and NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 flags
Is this a misconfiguration? or the driver is really unable to support this features?
For reference I'm running OpenWrt SNAPSHOT r20686-f0ea3df439 / LuCI Master git-22.245.77360-10bcb22 on a ASUS RT-AC85P
Thank,
Luca
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First steps
- Read the whole issue, then the project's contributing guide.
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Research direction
Start by tracing the Rekeying PTK for STA log path and reviewing how the driver handles IEEE80211_KEY_FLAG_NO_AUTO_TX and NL80211_EXT_FEATURE_CAN_REPLACE_PTK0. Reproduce the WPA2-Enterprise PTK rekey every 15 minutes and compare the feature flags with the disconnect behavior. Done means the driver limitation or misconfiguration is identified and the rekey no longer causes the reported disconnect.
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Assessment
- Tech stack
- c
- Domain
- networking
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 38/100