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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: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Yuval Mintz 2012-07-23 21:16:06 +00:00 committed by David S. Miller
parent 3c4cfadef6
commit c20cd5d753
2 changed files with 9 additions and 3 deletions
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4
drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
View File

@ -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

8
drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
View File

@ -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 =