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r8169: use struct pcpu_sw_netstats for rx/tx packet/byte counters 

Switch to the net core rx/tx byte/packet counter infrastructure.
This simplifies the code, only small drawback is some memory overhead
because we use just one queue, but allocate the counters per cpu.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2020-10-29 18:33:46 +01:00 committed by Jakub Kicinski
parent 81b01894d7
commit 5e4cb48001
1 changed files with 8 additions and 3 deletions
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11
drivers/net/ethernet/realtek/r8169_main.c
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@ -4417,6 +4417,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
if (tp->dirty_tx != dirty_tx) {
netdev_completed_queue(dev, pkts_compl, bytes_compl);
dev_sw_netstats_tx_add(dev, pkts_compl, bytes_compl);
rtl_inc_priv_stats(&tp->tx_stats, pkts_compl, bytes_compl);
tp->dirty_tx = dirty_tx;
@ -4539,6 +4540,7 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
napi_gro_receive(&tp->napi, skb);
dev_sw_netstats_rx_add(dev, pkt_size);
rtl_inc_priv_stats(&tp->rx_stats, 1, pkt_size);
release_descriptor:
rtl8169_mark_to_asic(desc);
@ -4790,9 +4792,7 @@ rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
pm_runtime_get_noresume(&pdev->dev);
netdev_stats_to_stats64(stats, &dev->stats);
rtl_get_priv_stats(&tp->rx_stats, &stats->rx_packets, &stats->rx_bytes);
rtl_get_priv_stats(&tp->tx_stats, &stats->tx_packets, &stats->tx_bytes);
dev_fetch_sw_netstats(stats, dev->tstats);
/*
* Fetch additional counter values missing in stats collected by driver
@ -5263,6 +5263,11 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->eee_adv = -1;
tp->ocp_base = OCP_STD_PHY_BASE;
dev->tstats = devm_netdev_alloc_pcpu_stats(&pdev->dev,
struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
/* Get the *optional* external "ether_clk" used on some boards */
rc = rtl_get_ether_clk(tp);
if (rc)