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net: bcmgenet: count hw discarded packets in missed stat

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Hardware discarded packets are now counted in their own missed stat
instead of being lumped in with general errors.

Signed-off-by: Zak Kemble <zakkemble@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250519113257.1031-3-zakkemble@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Zak Kemble
2025-05-19 12:32:56 +01:00
committed by Jakub Kicinski
parent 59aa6e3072
commit e985b97ac1
2 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View File

@@ -2297,7 +2297,7 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring,
DMA_P_INDEX_DISCARD_CNT_MASK;
if (discards > ring->old_discards) {
discards = discards - ring->old_discards;
BCMGENET_STATS64_ADD(stats, errors, discards);
BCMGENET_STATS64_ADD(stats, missed, discards);
ring->old_discards += discards;
/* Clear HW register when we reach 75% of maximum 0xFFFF */
@@ -3577,6 +3577,7 @@ static void bcmgenet_get_stats64(struct net_device *dev,
unsigned int start;
unsigned int q;
u64 multicast;
u64 rx_missed;
for (q = 0; q <= priv->hw_params->tx_queues; q++) {
tx_stats = &priv->tx_rings[q].stats64;
@@ -3602,6 +3603,7 @@ static void bcmgenet_get_stats64(struct net_device *dev,
rx_packets = u64_stats_read(&rx_stats->packets);
rx_errors = u64_stats_read(&rx_stats->errors);
rx_dropped = u64_stats_read(&rx_stats->dropped);
rx_missed = u64_stats_read(&rx_stats->missed);
rx_length_errors = u64_stats_read(&rx_stats->length_errors);
rx_over_errors = u64_stats_read(&rx_stats->over_errors);
rx_crc_errors = u64_stats_read(&rx_stats->crc_errors);
@@ -3617,7 +3619,7 @@ static void bcmgenet_get_stats64(struct net_device *dev,
stats->rx_packets += rx_packets;
stats->rx_errors += rx_errors;
stats->rx_dropped += rx_dropped;
stats->rx_missed_errors += rx_errors;
stats->rx_missed_errors += rx_missed;
stats->rx_length_errors += rx_length_errors;
stats->rx_over_errors += rx_over_errors;
stats->rx_crc_errors += rx_crc_errors;

1
drivers/net/ethernet/broadcom/genet/bcmgenet.h
View File

@@ -170,6 +170,7 @@ struct bcmgenet_rx_stats64 {
u64_stats_t errors;
u64_stats_t dropped;
u64_stats_t multicast;
u64_stats_t missed;
u64_stats_t length_errors;
u64_stats_t over_errors;
u64_stats_t crc_errors;