diff options
28 files changed, 158 insertions, 99 deletions
diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index ca3d17e43ed8be..ac88caca5ad4de 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -339,10 +339,12 @@ int rtl8366_vlan_prepare(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan) { struct realtek_smi *smi = ds->priv; + u16 vid; int ret; - if (!smi->ops->is_vlan_valid(smi, port)) - return -EINVAL; + for (vid = vlan->vid_begin; vid < vlan->vid_end; vid++) + if (!smi->ops->is_vlan_valid(smi, vid)) + return -EINVAL; dev_info(smi->dev, "prepare VLANs %04x..%04x\n", vlan->vid_begin, vlan->vid_end); @@ -370,8 +372,9 @@ void rtl8366_vlan_add(struct dsa_switch *ds, int port, u16 vid; int ret; - if (!smi->ops->is_vlan_valid(smi, port)) - return; + for (vid = vlan->vid_begin; vid < vlan->vid_end; vid++) + if (!smi->ops->is_vlan_valid(smi, vid)) + return; dev_info(smi->dev, "add VLAN on port %d, %s, %s\n", port, diff --git a/drivers/net/dsa/rtl8366rb.c b/drivers/net/dsa/rtl8366rb.c index a268085ffad28c..f5cc8b0a7c74cf 100644 --- a/drivers/net/dsa/rtl8366rb.c +++ b/drivers/net/dsa/rtl8366rb.c @@ -507,7 +507,8 @@ static int rtl8366rb_setup_cascaded_irq(struct realtek_smi *smi) irq = of_irq_get(intc, 0); if (irq <= 0) { dev_err(smi->dev, "failed to get parent IRQ\n"); - return irq ? irq : -EINVAL; + ret = irq ? irq : -EINVAL; + goto out_put_node; } /* This clears the IRQ status register */ @@ -515,7 +516,7 @@ static int rtl8366rb_setup_cascaded_irq(struct realtek_smi *smi) &val); if (ret) { dev_err(smi->dev, "can't read interrupt status\n"); - return ret; + goto out_put_node; } /* Fetch IRQ edge information from the descriptor */ @@ -537,7 +538,7 @@ static int rtl8366rb_setup_cascaded_irq(struct realtek_smi *smi) val); if (ret) { dev_err(smi->dev, "could not configure IRQ polarity\n"); - return ret; + goto out_put_node; } ret = devm_request_threaded_irq(smi->dev, irq, NULL, @@ -545,7 +546,7 @@ static int rtl8366rb_setup_cascaded_irq(struct realtek_smi *smi) "RTL8366RB", smi); if (ret) { dev_err(smi->dev, "unable to request irq: %d\n", ret); - return ret; + goto out_put_node; } smi->irqdomain = irq_domain_add_linear(intc, RTL8366RB_NUM_INTERRUPT, @@ -553,12 +554,15 @@ static int rtl8366rb_setup_cascaded_irq(struct realtek_smi *smi) smi); if (!smi->irqdomain) { dev_err(smi->dev, "failed to create IRQ domain\n"); - return -EINVAL; + ret = -EINVAL; + goto out_put_node; } for (i = 0; i < smi->num_ports; i++) irq_set_parent(irq_create_mapping(smi->irqdomain, i), irq); - return 0; +out_put_node: + of_node_put(intc); + return ret; } static int rtl8366rb_set_addr(struct realtek_smi *smi) diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index f3d38ff144c46e..7687ddcae1598e 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -1897,7 +1897,9 @@ static int sja1105_set_ageing_time(struct dsa_switch *ds, return sja1105_static_config_reload(priv); } -/* Caller must hold priv->tagger_data.meta_lock */ +/* Must be called only with priv->tagger_data.state bit + * SJA1105_HWTS_RX_EN cleared + */ static int sja1105_change_rxtstamping(struct sja1105_private *priv, bool on) { @@ -1954,16 +1956,17 @@ static int sja1105_hwtstamp_set(struct dsa_switch *ds, int port, break; } - if (rx_on != priv->tagger_data.hwts_rx_en) { - spin_lock(&priv->tagger_data.meta_lock); + if (rx_on != test_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state)) { + clear_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state); + rc = sja1105_change_rxtstamping(priv, rx_on); - spin_unlock(&priv->tagger_data.meta_lock); if (rc < 0) { dev_err(ds->dev, "Failed to change RX timestamping: %d\n", rc); - return -EFAULT; + return rc; } - priv->tagger_data.hwts_rx_en = rx_on; + if (rx_on) + set_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state); } if (copy_to_user(ifr->ifr_data, &config, sizeof(config))) @@ -1982,7 +1985,7 @@ static int sja1105_hwtstamp_get(struct dsa_switch *ds, int port, config.tx_type = HWTSTAMP_TX_ON; else config.tx_type = HWTSTAMP_TX_OFF; - if (priv->tagger_data.hwts_rx_en) + if (test_bit(SJA1105_HWTS_RX_EN, &priv->tagger_data.state)) config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; else config.rx_filter = HWTSTAMP_FILTER_NONE; @@ -2031,7 +2034,7 @@ static bool sja1105_port_rxtstamp(struct dsa_switch *ds, int port, struct sja1105_private *priv = ds->priv; struct sja1105_tagger_data *data = &priv->tagger_data; - if (!data->hwts_rx_en) + if (!test_bit(SJA1105_HWTS_RX_EN, &data->state)) return false; /* We need to read the full PTP clock to reconstruct the Rx @@ -2201,6 +2204,7 @@ static int sja1105_probe(struct spi_device *spi) tagger_data = &priv->tagger_data; skb_queue_head_init(&tagger_data->skb_rxtstamp_queue); INIT_WORK(&tagger_data->rxtstamp_work, sja1105_rxtstamp_work); + spin_lock_init(&tagger_data->meta_lock); /* Connections between dsa_port and sja1105_port */ for (i = 0; i < SJA1105_NUM_PORTS; i++) { diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c index 7548247455d70b..1b1a09095c0dcf 100644 --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -526,7 +526,7 @@ static int ag71xx_mdio_probe(struct ag71xx *ag) struct device *dev = &ag->pdev->dev; struct net_device *ndev = ag->ndev; static struct mii_bus *mii_bus; - struct device_node *np; + struct device_node *np, *mnp; int err; np = dev->of_node; @@ -571,7 +571,9 @@ static int ag71xx_mdio_probe(struct ag71xx *ag) msleep(200); } - err = of_mdiobus_register(mii_bus, np); + mnp = of_get_child_by_name(np, "mdio"); + err = of_mdiobus_register(mii_bus, mnp); + of_node_put(mnp); if (err) goto mdio_err_put_clk; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c index 913f1e5aaaf266..d7c7467e2d53df 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c @@ -137,7 +137,8 @@ dr_icm_pool_mr_create(struct mlx5dr_icm_pool *pool, icm_mr->icm_start_addr = icm_mr->dm.addr; - align_diff = icm_mr->icm_start_addr % align_base; + /* align_base is always a power of 2 */ + align_diff = icm_mr->icm_start_addr & (align_base - 1); if (align_diff) icm_mr->used_length = align_base - align_diff; diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c index b063eb78fa0cfc..aac115136720f2 100644 --- a/drivers/net/ethernet/mscc/ocelot_board.c +++ b/drivers/net/ethernet/mscc/ocelot_board.c @@ -388,13 +388,14 @@ static int mscc_ocelot_probe(struct platform_device *pdev) continue; phy = of_phy_find_device(phy_node); + of_node_put(phy_node); if (!phy) continue; err = ocelot_probe_port(ocelot, port, regs, phy); if (err) { of_node_put(portnp); - return err; + goto out_put_ports; } phy_mode = of_get_phy_mode(portnp); @@ -422,7 +423,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev) "invalid phy mode for port%d, (Q)SGMII only\n", port); of_node_put(portnp); - return -EINVAL; + err = -EINVAL; + goto out_put_ports; } serdes = devm_of_phy_get(ocelot->dev, portnp, NULL); @@ -435,7 +437,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev) "missing SerDes phys for port%d\n", port); - goto err_probe_ports; + of_node_put(portnp); + goto out_put_ports; } ocelot->ports[port]->serdes = serdes; @@ -447,9 +450,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Ocelot switch probed\n"); - return 0; - -err_probe_ports: +out_put_ports: + of_node_put(ports); return err; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 9b4b5f69fc0211..2cb9c53f93b841 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -401,8 +401,11 @@ static void dwmac4_set_filter(struct mac_device_info *hw, int numhashregs = (hw->multicast_filter_bins >> 5); int mcbitslog2 = hw->mcast_bits_log2; unsigned int value; + u32 mc_filter[8]; int i; + memset(mc_filter, 0, sizeof(mc_filter)); + value = readl(ioaddr + GMAC_PACKET_FILTER); value &= ~GMAC_PACKET_FILTER_HMC; value &= ~GMAC_PACKET_FILTER_HPF; @@ -416,16 +419,13 @@ static void dwmac4_set_filter(struct mac_device_info *hw, /* Pass all multi */ value |= GMAC_PACKET_FILTER_PM; /* Set all the bits of the HASH tab */ - for (i = 0; i < numhashregs; i++) - writel(0xffffffff, ioaddr + GMAC_HASH_TAB(i)); + memset(mc_filter, 0xff, sizeof(mc_filter)); } else if (!netdev_mc_empty(dev)) { struct netdev_hw_addr *ha; - u32 mc_filter[8]; /* Hash filter for multicast */ value |= GMAC_PACKET_FILTER_HMC; - memset(mc_filter, 0, sizeof(mc_filter)); netdev_for_each_mc_addr(ha, dev) { /* The upper n bits of the calculated CRC are used to * index the contents of the hash table. The number of @@ -440,10 +440,11 @@ static void dwmac4_set_filter(struct mac_device_info *hw, */ mc_filter[bit_nr >> 5] |= (1 << (bit_nr & 0x1f)); } - for (i = 0; i < numhashregs; i++) - writel(mc_filter[i], ioaddr + GMAC_HASH_TAB(i)); } + for (i = 0; i < numhashregs; i++) + writel(mc_filter[i], ioaddr + GMAC_HASH_TAB(i)); + value |= GMAC_PACKET_FILTER_HPF; /* Handle multiple unicast addresses */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h index 5923ca62d79385..99037386080a65 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h @@ -84,7 +84,7 @@ #define XGMAC_TSIE BIT(12) #define XGMAC_LPIIE BIT(5) #define XGMAC_PMTIE BIT(4) -#define XGMAC_INT_DEFAULT_EN (XGMAC_LPIIE | XGMAC_PMTIE | XGMAC_TSIE) +#define XGMAC_INT_DEFAULT_EN (XGMAC_LPIIE | XGMAC_PMTIE) #define XGMAC_Qx_TX_FLOW_CTRL(x) (0x00000070 + (x) * 4) #define XGMAC_PT GENMASK(31, 16) #define XGMAC_PT_SHIFT 16 @@ -122,6 +122,7 @@ #define XGMAC_HWFEAT_GMIISEL BIT(1) #define XGMAC_HW_FEATURE1 0x00000120 #define XGMAC_HWFEAT_L3L4FNUM GENMASK(30, 27) +#define XGMAC_HWFEAT_HASHTBLSZ GENMASK(25, 24) #define XGMAC_HWFEAT_RSSEN BIT(20) #define XGMAC_HWFEAT_TSOEN BIT(18) #define XGMAC_HWFEAT_SPHEN BIT(17) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 2b277b2c586bbd..5031398e612c24 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -472,7 +472,7 @@ static void dwxgmac2_set_filter(struct mac_device_info *hw, dwxgmac2_set_mchash(ioaddr, mc_filter, mcbitslog2); /* Handle multiple unicast addresses */ - if (netdev_uc_count(dev) > XGMAC_ADDR_MAX) { + if (netdev_uc_count(dev) > hw->unicast_filter_entries) { value |= XGMAC_FILTER_PR; } else { struct netdev_hw_addr *ha; @@ -523,8 +523,8 @@ static int dwxgmac2_rss_configure(struct mac_device_info *hw, struct stmmac_rss *cfg, u32 num_rxq) { void __iomem *ioaddr = hw->pcsr; + u32 value, *key; int i, ret; - u32 value; value = readl(ioaddr + XGMAC_RSS_CTRL); if (!cfg || !cfg->enable) { @@ -533,8 +533,9 @@ static int dwxgmac2_rss_configure(struct mac_device_info *hw, return 0; } - for (i = 0; i < (sizeof(cfg->key) / sizeof(u32)); i++) { - ret = dwxgmac2_rss_write_reg(ioaddr, true, i, cfg->key[i]); + key = (u32 *)cfg->key; + for (i = 0; i < (ARRAY_SIZE(cfg->key) / sizeof(u32)); i++) { + ret = dwxgmac2_rss_write_reg(ioaddr, true, i, key[i]); if (ret) return ret; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c index 53c4a40d8386b5..965cbe3e6f51f2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c @@ -380,6 +380,7 @@ static void dwxgmac2_get_hw_feature(void __iomem *ioaddr, /* MAC HW feature 1 */ hw_cap = readl(ioaddr + XGMAC_HW_FEATURE1); dma_cap->l3l4fnum = (hw_cap & XGMAC_HWFEAT_L3L4FNUM) >> 27; + dma_cap->hash_tb_sz = (hw_cap & XGMAC_HWFEAT_HASHTBLSZ) >> 24; dma_cap->rssen = (hw_cap & XGMAC_HWFEAT_RSSEN) >> 20; dma_cap->tsoen = (hw_cap & XGMAC_HWFEAT_TSOEN) >> 18; dma_cap->sphen = (hw_cap & XGMAC_HWFEAT_SPHEN) >> 17; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index d3232738fb257d..843d53e084b7f8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -629,6 +629,7 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; ptp_v2 = PTP_TCR_TSVER2ENA; snap_type_sel = PTP_TCR_SNAPTYPSEL_1; + ts_event_en = PTP_TCR_TSEVNTENA; ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA; ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA; ptp_over_ethernet = PTP_TCR_TSIPENA; @@ -4717,9 +4718,7 @@ int stmmac_suspend(struct device *dev) mutex_lock(&priv->lock); - rtnl_lock(); - phylink_stop(priv->phylink); - rtnl_unlock(); + phylink_mac_change(priv->phylink, false); netif_device_detach(ndev); stmmac_stop_all_queues(priv); @@ -4734,6 +4733,10 @@ int stmmac_suspend(struct device *dev) stmmac_pmt(priv, priv->hw, priv->wolopts); priv->irq_wake = 1; } else { + rtnl_lock(); + phylink_stop(priv->phylink); + rtnl_unlock(); + stmmac_mac_set(priv, priv->ioaddr, false); pinctrl_pm_select_sleep_state(priv->device); /* Disable clock in case of PWM is off */ @@ -4824,9 +4827,13 @@ int stmmac_resume(struct device *dev) stmmac_start_all_queues(priv); - rtnl_lock(); - phylink_start(priv->phylink); - rtnl_unlock(); + if (!device_may_wakeup(priv->device)) { + rtnl_lock(); + phylink_start(priv->phylink); + rtnl_unlock(); + } + + phylink_mac_change(priv->phylink, true); mutex_unlock(&priv->lock); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c index 5f66f6161629a3..cc76a42c7466c2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c @@ -1564,10 +1564,6 @@ static int __stmmac_test_jumbo(struct stmmac_priv *priv, u16 queue) struct stmmac_packet_attrs attr = { }; int size = priv->dma_buf_sz; - /* Only XGMAC has SW support for multiple RX descs in same packet */ - if (priv->plat->has_xgmac) - size = priv->dev->max_mtu; - attr.dst = priv->dev->dev_addr; attr.max_size = size - ETH_FCS_LEN; attr.queue_mapping = queue; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index ce78714f536f77..a505b2ab88b8a7 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2620,14 +2620,18 @@ static struct hso_device *hso_create_bulk_serial_device( */ if (serial->tiocmget) { tiocmget = serial->tiocmget; + tiocmget->endp = hso_get_ep(interface, + USB_ENDPOINT_XFER_INT, + USB_DIR_IN); + if (!tiocmget->endp) { + dev_err(&interface->dev, "Failed to find INT IN ep\n"); + goto exit; + } + tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL); if (tiocmget->urb) { mutex_init(&tiocmget->mutex); init_waitqueue_head(&tiocmget->waitq); - tiocmget->endp = hso_get_ep( - interface, - USB_ENDPOINT_XFER_INT, - USB_DIR_IN); } else hso_free_tiomget(serial); } diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index e14ec75b61d607..482c6c8b0fb7e0 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -887,9 +887,9 @@ static int xennet_set_skb_gso(struct sk_buff *skb, return 0; } -static RING_IDX xennet_fill_frags(struct netfront_queue *queue, - struct sk_buff *skb, - struct sk_buff_head *list) +static int xennet_fill_frags(struct netfront_queue *queue, + struct sk_buff *skb, + struct sk_buff_head *list) { RING_IDX cons = queue->rx.rsp_cons; struct sk_buff *nskb; @@ -908,7 +908,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue, if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { queue->rx.rsp_cons = ++cons + skb_queue_len(list); kfree_skb(nskb); - return ~0U; + return -ENOENT; } skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, @@ -919,7 +919,9 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue, kfree_skb(nskb); } - return cons; + queue->rx.rsp_cons = cons; + + return 0; } static int checksum_setup(struct net_device *dev, struct sk_buff *skb) @@ -1045,8 +1047,7 @@ err: skb->data_len = rx->status; skb->len += rx->status; - i = xennet_fill_frags(queue, skb, &tmpq); - if (unlikely(i == ~0U)) + if (unlikely(xennet_fill_frags(queue, skb, &tmpq))) goto err; if (rx->flags & XEN_NETRXF_csum_blank) @@ -1056,7 +1057,7 @@ err: __skb_queue_tail(&rxq, skb); - queue->rx.rsp_cons = ++i; + i = ++queue->rx.rsp_cons; work_done++; } diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index c61f00b72e156a..a577218d1ab716 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -507,6 +507,8 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base, ptp_qoriq->regs.etts_regs = base + ETTS_REGS_OFFSET; } + spin_lock_init(&ptp_qoriq->lock); + ktime_get_real_ts64(&now); ptp_qoriq_settime(&ptp_qoriq->caps, &now); @@ -514,7 +516,6 @@ int ptp_qoriq_init(struct ptp_qoriq *ptp_qoriq, void __iomem *base, (ptp_qoriq->tclk_period & TCLK_PERIOD_MASK) << TCLK_PERIOD_SHIFT | (ptp_qoriq->cksel & CKSEL_MASK) << CKSEL_SHIFT; - spin_lock_init(&ptp_qoriq->lock); spin_lock_irqsave(&ptp_qoriq->lock, flags); regs = &ptp_qoriq->regs; diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h index 79435cfc20ebbf..897e799dbcb9fb 100644 --- a/include/linux/dsa/sja1105.h +++ b/include/linux/dsa/sja1105.h @@ -31,6 +31,8 @@ #define SJA1105_META_SMAC 0x222222222222ull #define SJA1105_META_DMAC 0x0180C200000Eull +#define SJA1105_HWTS_RX_EN 0 + /* Global tagger data: each struct sja1105_port has a reference to * the structure defined in struct sja1105_private. */ @@ -42,7 +44,7 @@ struct sja1105_tagger_data { * from taggers running on multiple ports on SMP systems */ spinlock_t meta_lock; - bool hwts_rx_en; + unsigned long state; }; struct sja1105_skb_cb { diff --git a/net/core/devlink.c b/net/core/devlink.c index e48680efe54a92..f80151eeaf5169 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -3172,7 +3172,7 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err) { + if (err && err != -EOPNOTSUPP) { mutex_unlock(&devlink->lock); goto out; } @@ -3432,7 +3432,7 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err) { + if (err && err != -EOPNOTSUPP) { mutex_unlock(&devlink->lock); goto out; } @@ -4088,7 +4088,7 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); mutex_unlock(&devlink->lock); - if (err) + if (err && err != -EOPNOTSUPP) break; idx++; } diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 9c9aff3e52cf98..63ef2a14c9343e 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -156,7 +156,11 @@ static struct sk_buff /* Step 1: A timestampable frame was received. * Buffer it until we get its meta frame. */ - if (is_link_local && sp->data->hwts_rx_en) { + if (is_link_local) { + if (!test_bit(SJA1105_HWTS_RX_EN, &sp->data->state)) + /* Do normal processing. */ + return skb; + spin_lock(&sp->data->meta_lock); /* Was this a link-local frame instead of the meta * that we were expecting? @@ -187,6 +191,12 @@ static struct sk_buff } else if (is_meta) { struct sk_buff *stampable_skb; + /* Drop the meta frame if we're not in the right state + * to process it. + */ + if (!test_bit(SJA1105_HWTS_RX_EN, &sp->data->state)) + return NULL; + spin_lock(&sp->data->meta_lock); stampable_skb = sp->data->stampable_skb; diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 40de2d2364a1ec..05be564414e9b4 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -198,8 +198,13 @@ static bool retransmits_timed_out(struct sock *sk, return false; start_ts = tcp_sk(sk)->retrans_stamp; - if (likely(timeout == 0)) - timeout = tcp_model_timeout(sk, boundary, TCP_RTO_MIN); + if (likely(timeout == 0)) { + unsigned int rto_base = TCP_RTO_MIN; + + if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) + rto_base = tcp_timeout_init(sk); + timeout = tcp_model_timeout(sk, boundary, rto_base); + } return (s32)(tcp_time_stamp(tcp_sk(sk)) - start_ts - timeout) >= 0; } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6a576ff92c399f..dd3be06d5a066e 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -4032,6 +4032,12 @@ static void addrconf_dad_work(struct work_struct *w) rtnl_lock(); + /* check if device was taken down before this delayed work + * function could be canceled + */ + if (idev->dead || !(idev->if_flags & IF_READY)) + goto out; + spin_lock_bh(&ifp->lock); if (ifp->state == INET6_IFADDR_STATE_PREDAD) { action = DAD_BEGIN; @@ -4077,11 +4083,6 @@ static void addrconf_dad_work(struct work_struct *w) goto out; write_lock_bh(&idev->lock); - if (idev->dead || !(idev->if_flags & IF_READY)) { - write_unlock_bh(&idev->lock); - goto out; - } - spin_lock(&ifp->lock); if (ifp->state == INET6_IFADDR_STATE_DEAD) { spin_unlock(&ifp->lock); diff --git a/net/rds/ib.c b/net/rds/ib.c index 45acab2de0cf3e..9de2ae22d58313 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -143,6 +143,9 @@ static void rds_ib_add_one(struct ib_device *device) refcount_set(&rds_ibdev->refcount, 1); INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free); + INIT_LIST_HEAD(&rds_ibdev->ipaddr_list); + INIT_LIST_HEAD(&rds_ibdev->conn_list); + rds_ibdev->max_wrs = device->attrs.max_qp_wr; rds_ibdev->max_sge = min(device->attrs.max_send_sge, RDS_IB_MAX_SGE); @@ -203,9 +206,6 @@ static void rds_ib_add_one(struct ib_device *device) device->name, rds_ibdev->use_fastreg ? "FRMR" : "FMR"); - INIT_LIST_HEAD(&rds_ibdev->ipaddr_list); - INIT_LIST_HEAD(&rds_ibdev->conn_list); - down_write(&rds_ib_devices_lock); list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices); up_write(&rds_ib_devices_lock); diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c index 1bef152c5721d1..b2905b03a432f8 100644 --- a/net/sched/sch_cbs.c +++ b/net/sched/sch_cbs.c @@ -306,7 +306,7 @@ static void cbs_set_port_rate(struct net_device *dev, struct cbs_sched_data *q) if (err < 0) goto skip; - if (ecmd.base.speed != SPEED_UNKNOWN) + if (ecmd.base.speed && ecmd.base.speed != SPEED_UNKNOWN) speed = ecmd.base.speed; skip: diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 2aab46ada94f48..68b543f85a96b1 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1044,7 +1044,7 @@ static void taprio_set_picos_per_byte(struct net_device *dev, if (err < 0) goto skip; - if (ecmd.base.speed != SPEED_UNKNOWN) + if (ecmd.base.speed && ecmd.base.speed != SPEED_UNKNOWN) speed = ecmd.base.speed; skip: diff --git a/net/tipc/link.c b/net/tipc/link.c index 6cc75ffd9e2c27..999eab592de8fe 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -160,6 +160,7 @@ struct tipc_link { struct { u16 len; u16 limit; + struct sk_buff *target_bskb; } backlog[5]; u16 snd_nxt; u16 window; @@ -880,6 +881,7 @@ static void link_prepare_wakeup(struct tipc_link *l) void tipc_link_reset(struct tipc_link *l) { struct sk_buff_head list; + u32 imp; __skb_queue_head_init(&list); @@ -901,11 +903,10 @@ void tipc_link_reset(struct tipc_link *l) __skb_queue_purge(&l->deferdq); __skb_queue_purge(&l->backlogq); __skb_queue_purge(&l->failover_deferdq); - l->backlog[TIPC_LOW_IMPORTANCE].len = 0; - l->backlog[TIPC_MEDIUM_IMPORTANCE].len = 0; - l->backlog[TIPC_HIGH_IMPORTANCE].len = 0; - l->backlog[TIPC_CRITICAL_IMPORTANCE].len = 0; - l->backlog[TIPC_SYSTEM_IMPORTANCE].len = 0; + for (imp = 0; imp <= TIPC_SYSTEM_IMPORTANCE; imp++) { + l->backlog[imp].len = 0; + l->backlog[imp].target_bskb = NULL; + } kfree_skb(l->reasm_buf); kfree_skb(l->reasm_tnlmsg); kfree_skb(l->failover_reasm_skb); @@ -947,7 +948,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list, u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1; struct sk_buff_head *transmq = &l->transmq; struct sk_buff_head *backlogq = &l->backlogq; - struct sk_buff *skb, *_skb, *bskb; + struct sk_buff *skb, *_skb, **tskb; int pkt_cnt = skb_queue_len(list); int rc = 0; @@ -999,19 +1000,21 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list, seqno++; continue; } - if (tipc_msg_bundle(skb_peek_tail(backlogq), hdr, mtu)) { + tskb = &l->backlog[imp].target_bskb; + if (tipc_msg_bundle(*tskb, hdr, mtu)) { kfree_skb(__skb_dequeue(list)); l->stats.sent_bundled++; continue; } - if (tipc_msg_make_bundle(&bskb, hdr, mtu, l->addr)) { + if (tipc_msg_make_bundle(tskb, hdr, mtu, l->addr)) { kfree_skb(__skb_dequeue(list)); - __skb_queue_tail(backlogq, bskb); - l->backlog[msg_importance(buf_msg(bskb))].len++; + __skb_queue_tail(backlogq, *tskb); + l->backlog[imp].len++; l->stats.sent_bundled++; l->stats.sent_bundles++; continue; } + l->backlog[imp].target_bskb = NULL; l->backlog[imp].len += skb_queue_len(list); skb_queue_splice_tail_init(list, backlogq); } @@ -1027,6 +1030,7 @@ static void tipc_link_advance_backlog(struct tipc_link *l, u16 seqno = l->snd_nxt; u16 ack = l->rcv_nxt - 1; u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1; + u32 imp; while (skb_queue_len(&l->transmq) < l->window) { skb = skb_peek(&l->backlogq); @@ -1037,7 +1041,10 @@ static void tipc_link_advance_backlog(struct tipc_link *l, break; __skb_dequeue(&l->backlogq); hdr = buf_msg(skb); - l->backlog[msg_importance(hdr)].len--; + imp = msg_importance(hdr); + l->backlog[imp].len--; + if (unlikely(skb == l->backlog[imp].target_bskb)) + l->backlog[imp].target_bskb = NULL; __skb_queue_tail(&l->transmq, skb); /* next retransmit attempt */ if (link_is_bc_sndlink(l)) diff --git a/net/tipc/msg.c b/net/tipc/msg.c index e6d49cdc61b40b..922d262e153ff4 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -543,10 +543,7 @@ bool tipc_msg_make_bundle(struct sk_buff **skb, struct tipc_msg *msg, bmsg = buf_msg(_skb); tipc_msg_init(msg_prevnode(msg), bmsg, MSG_BUNDLER, 0, INT_H_SIZE, dnode); - if (msg_isdata(msg)) - msg_set_importance(bmsg, TIPC_CRITICAL_IMPORTANCE); - else - msg_set_importance(bmsg, TIPC_SYSTEM_IMPORTANCE); + msg_set_importance(bmsg, msg_importance(msg)); msg_set_seqno(bmsg, msg_seqno(msg)); msg_set_ack(bmsg, msg_ack(msg)); msg_set_bcast_ack(bmsg, msg_bcast_ack(msg)); diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index ab47bf3ab66e82..2ab43b2bba31bc 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -638,7 +638,7 @@ struct sock *__vsock_create(struct net *net, } EXPORT_SYMBOL_GPL(__vsock_create); -static void __vsock_release(struct sock *sk) +static void __vsock_release(struct sock *sk, int level) { if (sk) { struct sk_buff *skb; @@ -648,9 +648,17 @@ static void __vsock_release(struct sock *sk) vsk = vsock_sk(sk); pending = NULL; /* Compiler warning. */ + /* The release call is supposed to use lock_sock_nested() + * rather than lock_sock(), if a sock lock should be acquired. + */ transport->release(vsk); - lock_sock(sk); + /* When "level" is SINGLE_DEPTH_NESTING, use the nested + * version to avoid the warning "possible recursive locking + * detected". When "level" is 0, lock_sock_nested(sk, level) + * is the same as lock_sock(sk). + */ + lock_sock_nested(sk, level); sock_orphan(sk); sk->sk_shutdown = SHUTDOWN_MASK; @@ -659,7 +667,7 @@ static void __vsock_release(struct sock *sk) /* Clean up any sockets that never were accepted. */ while ((pending = vsock_dequeue_accept(sk)) != NULL) { - __vsock_release(pending); + __vsock_release(pending, SINGLE_DEPTH_NESTING); sock_put(pending); } @@ -708,7 +716,7 @@ EXPORT_SYMBOL_GPL(vsock_stream_has_space); static int vsock_release(struct socket *sock) { - __vsock_release(sock->sk); + __vsock_release(sock->sk, 0); sock->sk = NULL; sock->state = SS_FREE; diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index 261521d286d6e5..c443db7af8d4af 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -559,7 +559,7 @@ static void hvs_release(struct vsock_sock *vsk) struct sock *sk = sk_vsock(vsk); bool remove_sock; - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); remove_sock = hvs_close_lock_held(vsk); release_sock(sk); if (remove_sock) diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 5bb70c692b1ee3..a666ef8fc54e17 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -820,7 +820,7 @@ void virtio_transport_release(struct vsock_sock *vsk) struct sock *sk = &vsk->sk; bool remove_sock = true; - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); if (sk->sk_type == SOCK_STREAM) remove_sock = virtio_transport_close(vsk); |