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bnxt_en: Add software "missed_irqs" counter. 

To keep track of the number of times the workaround code for 57500 A0
has been triggered.  This is a per NQ counter.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2018-11-15 03:25:41 -05:00 committed by David S. Miller
parent ffd7762170
commit 83eb5c5cff
3 changed files with 6 additions and 1 deletions
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1
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -8909,6 +8909,7 @@ static void bnxt_chk_missed_irq(struct bnxt *bp)
bnxt_dbg_hwrm_ring_info_get(bp,
DBG_RING_INFO_GET_REQ_RING_TYPE_L2_CMPL,
fw_ring_id, &val[0], &val[1]);
cpr->missed_irqs++;
}
}
}

1
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -818,6 +818,7 @@ struct bnxt_cp_ring_info {
dma_addr_t hw_stats_map;
u32 hw_stats_ctx_id;
u64 rx_l4_csum_errors;
u64 missed_irqs;
struct bnxt_ring_struct cp_ring_struct;

5
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View File

@ -137,7 +137,7 @@ reset_coalesce:
return rc;
}
#define BNXT_NUM_STATS 21
#define BNXT_NUM_STATS 22
#define BNXT_RX_STATS_ENTRY(counter) \
{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
@ -384,6 +384,7 @@ static void bnxt_get_ethtool_stats(struct net_device *dev,
for (k = 0; k < stat_fields; j++, k++)
buf[j] = le64_to_cpu(hw_stats[k]);
buf[j++] = cpr->rx_l4_csum_errors;
buf[j++] = cpr->missed_irqs;
bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
@ -468,6 +469,8 @@ static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: rx_l4_csum_errors", i);
buf += ETH_GSTRING_LEN;
sprintf(buf, "[%d]: missed_irqs", i);
buf += ETH_GSTRING_LEN;
}
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
strcpy(buf, bnxt_sw_func_stats[i].string);