[PATCH v2 8/8] mac80211: save transmit power envelope element and power constraint

[Wen Gong]

On 2021-08-27 16:20, Johannes Berg wrote:
> On Fri, 2021-08-27 at 16:18 +0800, Wen Gong wrote:
>> 
>> then should I use "struct ieee802_11_elems elems = {0}" or "struct
>> ieee802_11_elems *elems = kzalloc(sizeof(*elems))"
>> in the parsing patch?
> 
> Yeah, it's a good question ...
> 
> We keep adding stuff here, so it'll be safer to alloc it.
> 
> I get a fair number of stack size warnings on the build now (possibly
> due to the addition of the TPE fields?), and while they're probably 
> fine
> for now (we get there from nl80211, so no deep stack), it's only going
> to increase - we have EHT patches already now, for example.
> 

the TPE is only 8 pointer in the struct ieee802_11_elems.
so stack size warnings should not caused by TPE.

#define IEEE80211_TPE_MAX_IE_COUNT	8
const struct ieee80211_tx_pwr_env 
*tx_pwr_env[IEEE80211_TPE_MAX_IE_COUNT];

> johannes