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Commit bee5af7e authored by Anjali Singhai Jain's avatar Anjali Singhai Jain Committed by Jeff Kirsher
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i40e/i40evf: Add EEE LPI stats 



Add 4 new stats to keep track of EEE LPI (Low Power Idle) state.

Change-ID: Id6316619bb0559789770288b694a54d17f8fac5c
Signed-off-by: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Acked-by: default avatarShannon Nelson <shannon.nelson@intel.com>
Signed-off-by: default avatarKevin Scott <kevin.c.scott@intel.com>
Signed-off-by: default avatarCatherine Sullivan <catherine.sullivan@intel.com>
Tested-by: default avatarKavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent a85ae0e9

drivers/net/ethernet/intel/i40e/i40e_ethtool.c

+5 −0
Original line number Diff line number Diff line
@@ -114,6 +114,11 @@ static struct i40e_stats i40e_gstrings_stats[] = { 
	I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),

	I40E_PF_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),

	I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),

	/* LPI stats */

	I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),

	I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),

	I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),

	I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),

};



#define I40E_QUEUE_STATS_LEN(n) \

drivers/net/ethernet/intel/i40e/i40e_main.c

+15 −0
Original line number Diff line number Diff line
@@ -740,6 +740,7 @@ void i40e_update_stats(struct i40e_vsi *vsi) 
	u32 rx_page, rx_buf;

	u64 rx_p, rx_b;

	u64 tx_p, tx_b;

	u32 val;

	int i;

	u16 q;
@@ -972,6 +973,20 @@ void i40e_update_stats(struct i40e_vsi *vsi) 
		i40e_stat_update32(hw, I40E_GLPRT_RJC(hw->port),

				   pf->stat_offsets_loaded,

				   &osd->rx_jabber, &nsd->rx_jabber);



		val = rd32(hw, I40E_PRTPM_EEE_STAT);

		nsd->tx_lpi_status =

			       (val & I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_MASK) >>

				I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_SHIFT;

		nsd->rx_lpi_status =

			       (val & I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_MASK) >>

				I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_SHIFT;

		i40e_stat_update32(hw, I40E_PRTPM_TLPIC,

				   pf->stat_offsets_loaded,

				   &osd->tx_lpi_count, &nsd->tx_lpi_count);

		i40e_stat_update32(hw, I40E_PRTPM_RLPIC,

				   pf->stat_offsets_loaded,

				   &osd->rx_lpi_count, &nsd->rx_lpi_count);

	}



	pf->stat_offsets_loaded = true;

drivers/net/ethernet/intel/i40e/i40e_type.h

+5 −0
Original line number Diff line number Diff line
@@ -1014,6 +1014,11 @@ struct i40e_hw_port_stats { 
	u64 tx_size_big;		/* ptc9522 */

	u64 mac_short_packet_dropped;	/* mspdc */

	u64 checksum_error;		/* xec */

	/* EEE LPI */

	bool tx_lpi_status;

	bool rx_lpi_status;

	u64 tx_lpi_count;		/* etlpic */

	u64 rx_lpi_count;		/* erlpic */

};



/* Checksum and Shadow RAM pointers */

drivers/net/ethernet/intel/i40evf/i40e_type.h

+5 −0
Original line number Diff line number Diff line
@@ -1020,6 +1020,11 @@ struct i40e_hw_port_stats { 
	u64 tx_size_big;		/* ptc9522 */

	u64 mac_short_packet_dropped;	/* mspdc */

	u64 checksum_error;		/* xec */

	/* EEE LPI */

	bool tx_lpi_status;

	bool rx_lpi_status;

	u64 tx_lpi_count;		/* etlpic */

	u64 rx_lpi_count;		/* erlpic */

};



/* Checksum and Shadow RAM pointers */