<yhchuang@xxxxxxxxxxx> writes: > From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> > > It is useful to fix the bit rate of TX packets. For example, if > someone is measuring the TX power, or debugging with the issues > of the TX throughput on the field. > > To set the value of fixed rate, one should input corresponding > desc rate index (ex, 0x0b for DESC_RATE54M to fix at 54 Mbps). > Set a value larger than DESC_RATE_MAX will disable fix rate, so > the rate adaptive mechanism can resume to work. > > Example, > To fix rate at MCS 1: > echo 0x0d > /sys/kernel/debug/ieee80211/phy0/rtw88/fix_rate > > To not to fix rate: > echo 0xff > /sys/kernel/debug/ieee80211/phy0/rtw88/fix_rate > > To know which rate was fixed at: > cat /sys/kernel/debug/ieee80211/phy0/rtw88/fix_rate > > Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> No way, debugfs is not a method for working around nl80211 and doing whatever idea you come up with. The goal is that we have a generic nl80211 command for all generic actions, like this one. And I think we already have an nl80211 command for fixing the tx rate, right? -- https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
