diff options
| author | Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com> | 2021-08-16 14:16:00 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-16 11:36:04 +0100 |
| commit | af9bf70154eb5ad36d638eb3ab7aa1f834673b3a (patch) | |
| tree | 3e10162632237263f08e030e33843dff378c1f11 | |
| parent | 68e9c5dee1cf9f5651a894a151d72b7fc21172d3 (diff) | |
| download | linux-af9bf70154eb5ad36d638eb3ab7aa1f834673b3a.tar.gz | |
net: stmmac: add ethtool per-queue irq statistic support
Adding ethtool per-queue statistics support to show number of interrupts
generated at DMA tx and DMA rx. All the counters are incremented at
dwmac4_dma_interrupt function.
Signed-off-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 79333deef2e2..b6d945ea903d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -60,10 +60,12 @@ struct stmmac_txq_stats { unsigned long tx_pkt_n; + unsigned long tx_normal_irq_n; }; struct stmmac_rxq_stats { unsigned long rx_pkt_n; + unsigned long rx_normal_irq_n; }; /* Extra statistic and debug information exposed by ethtool */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c index f83db62938dd..9292a1fab7d3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c @@ -170,10 +170,12 @@ int dwmac4_dma_interrupt(void __iomem *ioaddr, x->normal_irq_n++; if (likely(intr_status & DMA_CHAN_STATUS_RI)) { x->rx_normal_irq_n++; + x->rxq_stats[chan].rx_normal_irq_n++; ret |= handle_rx; } if (likely(intr_status & DMA_CHAN_STATUS_TI)) { x->tx_normal_irq_n++; + x->txq_stats[chan].tx_normal_irq_n++; ret |= handle_tx; } if (unlikely(intr_status & DMA_CHAN_STATUS_TBU)) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 10c0895d0b43..595c3ccdcbb7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -263,11 +263,13 @@ static const struct stmmac_stats stmmac_mmc[] = { static const char stmmac_qstats_tx_string[][ETH_GSTRING_LEN] = { "tx_pkt_n", + "tx_irq_n", #define STMMAC_TXQ_STATS ARRAY_SIZE(stmmac_qstats_tx_string) }; static const char stmmac_qstats_rx_string[][ETH_GSTRING_LEN] = { "rx_pkt_n", + "rx_irq_n", #define STMMAC_RXQ_STATS ARRAY_SIZE(stmmac_qstats_rx_string) }; |