Differential D13885 Diff 38348 sys/dev/ixgbe/ixgbe_dcb.c

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sys/dev/ixgbe/ixgbe_dcb.c

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#include "ixgbe_dcb_82599.h"		#include "ixgbe_dcb_82599.h"

/**		/**
* ixgbe_dcb_calculate_tc_credits - This calculates the ieee traffic class		* ixgbe_dcb_calculate_tc_credits - This calculates the ieee traffic class
* credits from the configured bandwidth percentages. Credits		* credits from the configured bandwidth percentages. Credits
* are the smallest unit programmable into the underlying		* are the smallest unit programmable into the underlying
* hardware. The IEEE 802.1Qaz specification do not use bandwidth		* hardware. The IEEE 802.1Qaz specification do not use bandwidth
* groups so this is much simplified from the CEE case.		* groups so this is much simplified from the CEE case.
		* @bw: bandwidth index by traffic class
		* @refill: refill credits index by traffic class
		* @max: max credits by traffic class
		* @max_frame_size: maximum frame size
*/		*/
s32 ixgbe_dcb_calculate_tc_credits(u8 bw, u16 refill, u16 *max,		s32 ixgbe_dcb_calculate_tc_credits(u8 bw, u16 refill, u16 *max,
int max_frame_size)		int max_frame_size)
{		{
int min_percent = 100;		int min_percent = 100;
int min_credit, multiplier;		int min_credit, multiplier;
int i;		int i;

Show All 18 Lines	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
max[i] = bw[i] ? (bw[i]*IXGBE_DCB_MAX_CREDIT)/100 : min_credit;		max[i] = bw[i] ? (bw[i]*IXGBE_DCB_MAX_CREDIT)/100 : min_credit;
}		}

return 0;		return 0;
}		}

/**		/**
* ixgbe_dcb_calculate_tc_credits_cee - Calculates traffic class credits		* ixgbe_dcb_calculate_tc_credits_cee - Calculates traffic class credits
* @ixgbe_dcb_config: Struct containing DCB settings.		* @hw: pointer to hardware structure
* @direction: Configuring either Tx or Rx.		* @dcb_config: Struct containing DCB settings
		* @max_frame_size: Maximum frame size
		* @direction: Configuring either Tx or Rx
*		*
* This function calculates the credits allocated to each traffic class.		* This function calculates the credits allocated to each traffic class.
* It should be called only after the rules are checked by		* It should be called only after the rules are checked by
* ixgbe_dcb_check_config_cee().		* ixgbe_dcb_check_config_cee().
*/		*/
s32 ixgbe_dcb_calculate_tc_credits_cee(struct ixgbe_hw *hw,		s32 ixgbe_dcb_calculate_tc_credits_cee(struct ixgbe_hw *hw,
struct ixgbe_dcb_config *dcb_config,		struct ixgbe_dcb_config *dcb_config,
u32 max_frame_size, u8 direction)		u32 max_frame_size, u8 direction)
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