pub const STAT_TX_CHANNEL_BUSY: u32 = 4833;Expand description
Transmits the channel-activity check held back
(PROP_STAT_TX_CHANNEL_BUSY) — UINT32_LE. Counted per attempt,
so one frame that retries several times before it airs is counted
several times here and once in
STAT_TX_PACKETS. Requires CAP_STATS.