On Tue, Dec 29, 2015 at 3:01 PM, Cedric VONCKEN <cedric.voncken@xxxxxxxxx> wrote: > Hi, > > My test plateform is: > 2 equipements > Both equipment used compat version 2015-07-21 from openwrt. > Both equipment used security WPA2 > > The equipment #1 is an AP. > The Group rekey interval is set to 3601s > The Pair rekey interval set to 50s (I reduced this value to show > the issue often) > The Master rekey interval is set to 86400 s. > > The equipment #2 is a sta+wds > > I used a 5GHz channel to have a free channel (without other AP) > I connected a computer on each equipment. > > To reproduce the issue: > I ran iperf udp@50Mbps from computer connected to the AP to the > computer connected to the sta. After several WPA2 rekeying, iperf server > side didn't received any frame. > > I investigated in the driver. All packets are dropped in sta side, > because the function ieee80211_crypto_ccmp_decrypt return > Rx_DROP_UNUSABLE. This function return this code because the test > if(memcmp(pn,key->u.ccmp.rx_pn[queue],IEEE8021_CCMP_PN_LEN) <=0) return > true. > > Have you any idea to fix this issue? > I don't remember exactly what we had, but you may look at http://permalink.gmane.org/gmane.linux.kernel.wireless.general/137742 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
