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
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
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
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?
___
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