Thread (12 messages) 12 messages, 4 authors, 2022-03-25

Re: [PATCH v5 1/3] nl80211: Add support for beacon tx mode

From: Felix Fietkau <nbd@nbd.name>
Date: 2021-08-10 14:34:00
Also in: ath11k

On 2021-08-10 14:02, Maharaja Kennadyrajan wrote:
On 2021-08-10 15:44, Felix Fietkau wrote:
quoted
On 2021-08-10 10:56, Maharaja Kennadyrajan wrote:
quoted
User can configure the below beacon tx mode
1. Staggered mode and 2. Burst mode while bring-up the AP
or MESH.

Beacons can be sent out in burst(continuously in a single shot
one after another) or staggered (equally spread out over beacon
interval) mode.

Set the beacon_tx_mode as 1 for Staggered mode and 2 for
burst mode.
What's the advantage of one over the other? When and why would the user
choose a different mode other than the default?
[Maha]: In the multi-vap scenario and default or staggered mode,
tx failure of the packets will happen if the packets duration
is greater than the beacon interval between the two vaps.
In case of burst mode it works, where during retry it transmits
the packet.
It still seems to me like something that the driver should detect and
handle internally without user configuration, based on number of VAPs
and maybe multicast/beacon rate (since the packet duration issue will be
worse with CCK rates).

- Felix
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