openwrt/target/linux/generic/pending-4.4/070-v4.8-0003-bgmac-Maintain-some-netdev-statistics.patch
John Crispin 74d00a8c38 kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>
2017-08-05 08:46:36 +02:00

69 lines
2.1 KiB
Diff

From 6d490f62a4c7f11c552591bdd08eda3636aa0db9 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Tue, 7 Jun 2016 15:06:15 -0700
Subject: [PATCH 3/3] bgmac: Maintain some netdev statistics
Add a few netdev statistics to report transmitted and received bytes and
packets and a few obvious errors.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/broadcom/bgmac.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -246,6 +246,8 @@ err_dma_head:
err_drop:
dev_kfree_skb(skb);
+ net_dev->stats.tx_dropped++;
+ net_dev->stats.tx_errors++;
return NETDEV_TX_OK;
}
@@ -285,6 +287,8 @@ static void bgmac_dma_tx_free(struct bgm
DMA_TO_DEVICE);
if (slot->skb) {
+ bgmac->net_dev->stats.tx_bytes += slot->skb->len;
+ bgmac->net_dev->stats.tx_packets++;
bytes_compl += slot->skb->len;
pkts_compl++;
@@ -468,6 +472,7 @@ static int bgmac_dma_rx_read(struct bgma
bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start);
put_page(virt_to_head_page(buf));
+ bgmac->net_dev->stats.rx_errors++;
break;
}
@@ -475,6 +480,8 @@ static int bgmac_dma_rx_read(struct bgma
bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n",
ring->start);
put_page(virt_to_head_page(buf));
+ bgmac->net_dev->stats.rx_length_errors++;
+ bgmac->net_dev->stats.rx_errors++;
break;
}
@@ -485,6 +492,7 @@ static int bgmac_dma_rx_read(struct bgma
if (unlikely(!skb)) {
bgmac_err(bgmac, "build_skb failed\n");
put_page(virt_to_head_page(buf));
+ bgmac->net_dev->stats.rx_errors++;
break;
}
skb_put(skb, BGMAC_RX_FRAME_OFFSET +
@@ -494,6 +502,8 @@ static int bgmac_dma_rx_read(struct bgma
skb_checksum_none_assert(skb);
skb->protocol = eth_type_trans(skb, bgmac->net_dev);
+ bgmac->net_dev->stats.rx_bytes += len;
+ bgmac->net_dev->stats.rx_packets++;
napi_gro_receive(&bgmac->napi, skb);
handled++;
} while (0);