Re: [PATCH v2 1/3] nl80211: Add support for beacon tx mode

[Maharaja Kennadyrajan <mkenna@codeaurora.org>]

On 2021-05-03 22:54, jjohnson@codeaurora.org wrote:
> On 2021-04-29 04:47, Maharaja Kennadyrajan wrote:
> [..snip..]
>> +/**
>> + * enum nl80211_beacon_tx_mode - Beacon Tx Mode enum.
>> + *      Used to configure beacon staggered mode or beacon burst mode.
>> + */
>> +enum nl80211_beacon_tx_mode {
>> +	NL80211_BEACON_STAGGERED_MODE = 1,
>> +	NL80211_BEACON_BURST_MODE = 2,
>> +};
>> +
> [..snip..]
>> @@ -5330,6 +5331,10 @@ static int nl80211_start_ap(struct sk_buff 
>> *skb,
>> struct genl_info *info)
>>  	params.dtim_period =
>>  		nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
>> 
>> +	if (info->attrs[NL80211_ATTR_BEACON_TX_MODE])
>> +		params.beacon_tx_mode =
>> +
>> nla_get_u32(info->attrs[NL80211_ATTR_BEACON_TX_MODE]);
>> +
> 
> Note that in the case where NL80211_ATTR_BEACON_TX_MODE is not 
> specified that
> beacon_tx_mode will be zero, which is not a valid
> nl80211_beacon_tx_mode enumeration.
> 
> Should you renumber the nl80211_beacon_tx_mode enumerations so that the 
> default
> mode has a value of 0? Or add NL80211_BEACON_DEFAULT_MODE = 0 and
> allow the driver
> to select a default mode?

[Maha]: Yes, it will select the default mode as STAGGERED mode when the 
user set
beacon_tx_mode as 0 in the hostapd conf file.
Also, it will select the default mode as STAGGERED mode when the user 
didn't add
beacon_tx_mode config in the hostapd conf file.
This is how it is handled here already.

Regards,
Maha

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