diff options
Diffstat (limited to 'drivers/net/ethernet/xilinx/xilinx_axienet_main.c')
| -rw-r--r-- | drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 51 |
1 files changed, 40 insertions, 11 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 1760930ec0c4..d1d772580da9 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -597,7 +597,7 @@ static int axienet_device_reset(struct net_device *ndev) lp->options &= (~XAE_OPTION_JUMBO); if ((ndev->mtu > XAE_MTU) && - (ndev->mtu <= XAE_JUMBO_MTU)) { + (ndev->mtu <= XAE_JUMBO_MTU)) { lp->max_frm_size = ndev->mtu + VLAN_ETH_HLEN + XAE_TRL_SIZE; @@ -645,7 +645,7 @@ static int axienet_device_reset(struct net_device *ndev) * @nr_bds: Max number of descriptors to clean up * @force: Whether to clean descriptors even if not complete * @sizep: Pointer to a u32 filled with the total sum of all bytes - * in all cleaned-up descriptors. Ignored if NULL. + * in all cleaned-up descriptors. Ignored if NULL. * @budget: NAPI budget (use 0 when not called from NAPI poll) * * Would either be called after a successful transmit operation, or after @@ -752,8 +752,10 @@ static int axienet_tx_poll(struct napi_struct *napi, int budget) if (lp->tx_bd_ci >= lp->tx_bd_num) lp->tx_bd_ci %= lp->tx_bd_num; - ndev->stats.tx_packets += packets; - ndev->stats.tx_bytes += size; + u64_stats_update_begin(&lp->tx_stat_sync); + u64_stats_add(&lp->tx_packets, packets); + u64_stats_add(&lp->tx_bytes, size); + u64_stats_update_end(&lp->tx_stat_sync); /* Matches barrier in axienet_start_xmit */ smp_mb(); @@ -984,8 +986,10 @@ static int axienet_rx_poll(struct napi_struct *napi, int budget) cur_p = &lp->rx_bd_v[lp->rx_bd_ci]; } - lp->ndev->stats.rx_packets += packets; - lp->ndev->stats.rx_bytes += size; + u64_stats_update_begin(&lp->rx_stat_sync); + u64_stats_add(&lp->rx_packets, packets); + u64_stats_add(&lp->rx_bytes, size); + u64_stats_update_end(&lp->rx_stat_sync); if (tail_p) axienet_dma_out_addr(lp, XAXIDMA_RX_TDESC_OFFSET, tail_p); @@ -1292,10 +1296,32 @@ static int axienet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return phylink_mii_ioctl(lp->phylink, rq, cmd); } +static void +axienet_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) +{ + struct axienet_local *lp = netdev_priv(dev); + unsigned int start; + + netdev_stats_to_stats64(stats, &dev->stats); + + do { + start = u64_stats_fetch_begin_irq(&lp->rx_stat_sync); + stats->rx_packets = u64_stats_read(&lp->rx_packets); + stats->rx_bytes = u64_stats_read(&lp->rx_bytes); + } while (u64_stats_fetch_retry_irq(&lp->rx_stat_sync, start)); + + do { + start = u64_stats_fetch_begin_irq(&lp->tx_stat_sync); + stats->tx_packets = u64_stats_read(&lp->tx_packets); + stats->tx_bytes = u64_stats_read(&lp->tx_bytes); + } while (u64_stats_fetch_retry_irq(&lp->tx_stat_sync, start)); +} + static const struct net_device_ops axienet_netdev_ops = { .ndo_open = axienet_open, .ndo_stop = axienet_stop, .ndo_start_xmit = axienet_start_xmit, + .ndo_get_stats64 = axienet_get_stats64, .ndo_change_mtu = axienet_change_mtu, .ndo_set_mac_address = netdev_set_mac_address, .ndo_validate_addr = eth_validate_addr, @@ -1317,8 +1343,8 @@ static const struct net_device_ops axienet_netdev_ops = { static void axienet_ethtools_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *ed) { - strlcpy(ed->driver, DRIVER_NAME, sizeof(ed->driver)); - strlcpy(ed->version, DRIVER_VERSION, sizeof(ed->version)); + strscpy(ed->driver, DRIVER_NAME, sizeof(ed->driver)); + strscpy(ed->version, DRIVER_VERSION, sizeof(ed->version)); } /** @@ -1349,7 +1375,7 @@ static int axienet_ethtools_get_regs_len(struct net_device *ndev) static void axienet_ethtools_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *ret) { - u32 *data = (u32 *) ret; + u32 *data = (u32 *)ret; size_t len = sizeof(u32) * AXIENET_REGS_N; struct axienet_local *lp = netdev_priv(ndev); @@ -1850,8 +1876,11 @@ static int axienet_probe(struct platform_device *pdev) lp->rx_bd_num = RX_BD_NUM_DEFAULT; lp->tx_bd_num = TX_BD_NUM_DEFAULT; - netif_napi_add(ndev, &lp->napi_rx, axienet_rx_poll, NAPI_POLL_WEIGHT); - netif_napi_add(ndev, &lp->napi_tx, axienet_tx_poll, NAPI_POLL_WEIGHT); + u64_stats_init(&lp->rx_stat_sync); + u64_stats_init(&lp->tx_stat_sync); + + netif_napi_add(ndev, &lp->napi_rx, axienet_rx_poll); + netif_napi_add(ndev, &lp->napi_tx, axienet_tx_poll); lp->axi_clk = devm_clk_get_optional(&pdev->dev, "s_axi_lite_clk"); if (!lp->axi_clk) { |