ethtool: Expand documentation of struct ethtool_ringparam

	__u32	rate_sample_interval;

};

/* for configuring RX/TX ring parameters */

struct ethtool_ringparam {

	__u32	cmd;	/* ETHTOOL_{G,S}RINGPARAM */

	/* Read only attributes.  These indicate the maximum number

	 * of pending RX/TX ring entries the driver will allow the

	 * user to set.

/**

 * struct ethtool_ringparam - RX/TX ring parameters

 * @cmd: Command number = %ETHTOOL_GRINGPARAM or %ETHTOOL_SRINGPARAM

 * @rx_max_pending: Maximum supported number of pending entries per

 *	RX ring.  Read-only.

 * @rx_mini_max_pending: Maximum supported number of pending entries

 *	per RX mini ring.  Read-only.

 * @rx_jumbo_max_pending: Maximum supported number of pending entries

 *	per RX jumbo ring.  Read-only.

 * @tx_max_pending: Maximum supported number of pending entries per

 *	TX ring.  Read-only.

 * @rx_pending: Current maximum number of pending entries per RX ring

 * @rx_mini_pending: Current maximum number of pending entries per RX

 *	mini ring

 * @rx_jumbo_pending: Current maximum number of pending entries per RX

 *	jumbo ring

 * @tx_pending: Current maximum supported number of pending entries

 *	per TX ring

 *

 * If the interface does not have separate RX mini and/or jumbo rings,

 * @rx_mini_max_pending and/or @rx_jumbo_max_pending will be 0.

 *

 * There may also be driver-dependent minimum values for the number

 * of entries per ring.

 */

struct ethtool_ringparam {

	__u32	cmd;

	__u32	rx_max_pending;

	__u32	rx_mini_max_pending;

	__u32	rx_jumbo_max_pending;

	__u32	tx_max_pending;

	/* Values changeable by the user.  The valid values are

	 * in the range 1 to the "*_max_pending" counterpart above.

	 */

	__u32	rx_pending;

	__u32	rx_mini_pending;

	__u32	rx_jumbo_pending;