Re: 11n: don't require a BlockAck timeout

2016-01-31 Thread Stefan Sperling
On Sun, Jan 31, 2016 at 05:19:42PM +, Stuart Henderson wrote: > Could this capping be an attempt to mitigate DoS from people playing > games with ADDBAs? That kind of attack doesn't make much sense. A lot of stuff in wifi depends on others being cooperative. Far more disruption can already be

Re: 11n: don't require a BlockAck timeout

2016-01-31 Thread Stuart Henderson
On 2016/01/31 17:45, Stefan Sperling wrote: > We currently force BlockAck agreements to time out after a certain > period of inactivity. Some APs, notably Broadcom-based ones (like > Apple Airport) don't cope with this nicely and drop packets while > the BA session is reestablished. The result is u

11n: don't require a BlockAck timeout

2016-01-31 Thread Stefan Sperling
We currently force BlockAck agreements to time out after a certain period of inactivity. Some APs, notably Broadcom-based ones (like Apple Airport) don't cope with this nicely and drop packets while the BA session is reestablished. The result is unusable wifi in 11n mode with such APs (> 50% packet