<yhchuang@xxxxxxxxxxx> wrote: > 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> > Reviewed-by: Brian Norris <briannorris@xxxxxxxxxxxx> > Tested-by: Brian Norris <briannorris@xxxxxxxxxxxx> So the concensus was that doing this from debugfs is ok, but unfortunately this doesn't apply anymore. Please respin. Recorded preimage for 'drivers/net/wireless/realtek/rtw88/tx.c' error: Failed to merge in the changes. hint: Use 'git am --show-current-patch' to see the failed patch Applying: rtw88: add debugfs to fix tx rate Using index info to reconstruct a base tree... M drivers/net/wireless/realtek/rtw88/debug.c M drivers/net/wireless/realtek/rtw88/main.c M drivers/net/wireless/realtek/rtw88/main.h M drivers/net/wireless/realtek/rtw88/tx.c Falling back to patching base and 3-way merge... Auto-merging drivers/net/wireless/realtek/rtw88/tx.c CONFLICT (content): Merge conflict in drivers/net/wireless/realtek/rtw88/tx.c Auto-merging drivers/net/wireless/realtek/rtw88/main.h Auto-merging drivers/net/wireless/realtek/rtw88/main.c Auto-merging drivers/net/wireless/realtek/rtw88/debug.c Patch failed at 0001 rtw88: add debugfs to fix tx rate Patch set to Changes Requested. -- https://patchwork.kernel.org/project/linux-wireless/patch/20200313065114.23433-1-yhchuang@xxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches