68 lines
2.1 KiB
Diff
68 lines
2.1 KiB
Diff
From 6d490f62a4c7f11c552591bdd08eda3636aa0db9 Mon Sep 17 00:00:00 2001
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From: Florian Fainelli <f.fainelli@gmail.com>
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Date: Tue, 7 Jun 2016 15:06:15 -0700
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Subject: [PATCH 3/3] bgmac: Maintain some netdev statistics
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Add a few netdev statistics to report transmitted and received bytes and
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packets and a few obvious errors.
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/broadcom/bgmac.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/net/ethernet/broadcom/bgmac.c
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+++ b/drivers/net/ethernet/broadcom/bgmac.c
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@@ -246,6 +246,8 @@ err_dma_head:
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err_drop:
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dev_kfree_skb(skb);
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+ net_dev->stats.tx_dropped++;
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+ net_dev->stats.tx_errors++;
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return NETDEV_TX_OK;
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}
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@@ -284,6 +286,8 @@ static void bgmac_dma_tx_free(struct bgm
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DMA_TO_DEVICE);
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if (slot->skb) {
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+ bgmac->net_dev->stats.tx_bytes += slot->skb->len;
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+ bgmac->net_dev->stats.tx_packets++;
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bytes_compl += slot->skb->len;
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pkts_compl++;
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@@ -464,6 +468,7 @@ static int bgmac_dma_rx_read(struct bgma
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bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
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ring->start);
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put_page(virt_to_head_page(buf));
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+ bgmac->net_dev->stats.rx_errors++;
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break;
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}
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@@ -471,6 +476,8 @@ static int bgmac_dma_rx_read(struct bgma
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bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n",
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ring->start);
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put_page(virt_to_head_page(buf));
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+ bgmac->net_dev->stats.rx_length_errors++;
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+ bgmac->net_dev->stats.rx_errors++;
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break;
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}
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@@ -481,6 +488,7 @@ static int bgmac_dma_rx_read(struct bgma
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if (unlikely(!skb)) {
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bgmac_err(bgmac, "build_skb failed\n");
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put_page(virt_to_head_page(buf));
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+ bgmac->net_dev->stats.rx_errors++;
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break;
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}
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skb_put(skb, BGMAC_RX_FRAME_OFFSET +
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@@ -490,6 +498,8 @@ static int bgmac_dma_rx_read(struct bgma
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skb_checksum_none_assert(skb);
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skb->protocol = eth_type_trans(skb, bgmac->net_dev);
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+ bgmac->net_dev->stats.rx_bytes += len;
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+ bgmac->net_dev->stats.rx_packets++;
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napi_gro_receive(&bgmac->napi, skb);
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handled++;
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} while (0);
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