Commit c20cd5d7 authored by Yuval Mintz's avatar Yuval Mintz Committed by David S. Miller
Browse files

bnx2x: Correct EEE statistics gathering 



In boards with 4-ports, Tx LPI statistics were gathered incorrectly.
This patch guarantees that each pmf will only query its own port for
these statistics.

Signed-off-by: default avatarYuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3c4cfade

drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h

+4 −0
Original line number Diff line number Diff line
@@ -1603,6 +1603,10 @@ 
 * of counts that the SM entered the EEE LPI state. Clock 25MHz. Read only

 * register. Reset on hard reset. */

#define MISC_REG_CPMU_LP_SM_ENT_CNT_P0				 0xa8b8

/* [RW 16] EEE LPI Entry Events Counter. A statistic counter with the number

 * of counts that the SM entered the EEE LPI state. Clock 25MHz. Read only

 * register. Reset on hard reset. */

#define MISC_REG_CPMU_LP_SM_ENT_CNT_P1				 0xa8bc

/* [RW 32] The following driver registers(1...16) represent 16 drivers and

   32 clients. Each client can be controlled by one driver only. One in each

   bit represent that this driver control the appropriate client (Ex: bit 5

drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c

+5 −3
Original line number Diff line number Diff line
@@ -785,9 +785,11 @@ static int bnx2x_hw_stats_update(struct bnx2x *bp) 


	pstats->host_port_stats_counter++;



	if (CHIP_IS_E3(bp))

		estats->eee_tx_lpi += REG_RD(bp,

					     MISC_REG_CPMU_LP_SM_ENT_CNT_P0);

	if (CHIP_IS_E3(bp)) {

		u32 lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1

					  : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;

		estats->eee_tx_lpi += REG_RD(bp, lpi_reg);

	}



	if (!BP_NOMCP(bp)) {

		u32 nig_timer_max =

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