wpi_tx_cmd
struct wpi_tx_cmd *cmd;
ring->cur * sizeof (struct wpi_tx_cmd));
struct wpi_tx_cmd *cmd;
cmd = mtod(m, struct wpi_tx_cmd *);
size = WPI_TX_RING_COUNT * sizeof (struct wpi_tx_cmd);
paddr += sizeof (struct wpi_tx_cmd);
struct wpi_tx_cmd *cmd;