TX_PWR_BY_RATE_NUM_SECTION
BUILD_BUG_ON(TX_PWR_BY_RATE_NUM_RATE < TX_PWR_BY_RATE_NUM_SECTION);
for (; sec < TX_PWR_BY_RATE_NUM_SECTION; ++sec)
section < TX_PWR_BY_RATE_NUM_SECTION;
rate_section < TX_PWR_BY_RATE_NUM_SECTION;