Re: TDMA slot(bh)

2015-02-19 Thread Adrian Chadd
The whole point here is that DBA is used to control the start of the slot times, and SWBA is used to only send out actual beacon frames in multiples of that. normally you'd have SWBA be just before DBA, and and they'd have the same interval. Here DBA is used primarily to gate the start of the slo

Re: TDMA slot(bh)

2015-02-18 Thread Adrian Chadd
Yup. DBA gates the actual beacon transmit - if there's no beacon in the slot, then it's fine. SWBA is the software timer that fires just before DBA, so the software stack has a chance to program the hardware with a beacon and let the hardware get the packet DMA -> TX FIFO setup all correctly so t

Re: TDMA slot(bh)

2015-02-18 Thread Adrian Chadd
On 18 February 2015 at 07:55, bh wrote: > Dear > The default slotcnt=2 , becntival=5.For ap it will generate SWBA every > slot,it will send beacon every five slots, beacause ap fire the DBA timer in > every slot, so it will send data package in every slot. Is my above > understanding co

Re: TDMA slot(bh)

2015-02-18 Thread bh
Dear The default slotcnt=2 , becntival=5.For ap it will generate SWBA every slot,it will send beacon every five slots, beacause ap fire the DBA timer in every slot, so it will send data package in every slot. Is my above understanding correct? ___

TDMA slot

2015-02-17 Thread bh
原始邮件 主题:TDMA slot 发件人:子文 收件人:子文 抄送:freebsd-wireless@freebsd.org Dear all     I am confused for TDMA slot  of freebsd , I see the default slotcnt=2, beaconintvl=5, So The ap send the beacon every five slot  ,doesn't it? The ap's DBA fire every slot  ,doesn&#