diff options
Diffstat (limited to 'drivers')
111 files changed, 1186 insertions, 805 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 60bf04b8f103..366a49c7c08f 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -231,7 +231,6 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, @@ -264,6 +263,7 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, /* QCA ROME chipset */ + { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME }, @@ -386,10 +386,10 @@ static const struct usb_device_id blacklist_table[] = { */ static const struct dmi_system_id btusb_needs_reset_resume_table[] = { { - /* Lenovo Yoga 920 (QCA Rome device 0cf3:e300) */ + /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 920"), + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), }, }, {} diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 6314dfb02969..40b9fb247010 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -244,7 +244,9 @@ static irqreturn_t bcm_host_wake(int irq, void *data) bt_dev_dbg(bdev, "Host wake IRQ"); - pm_request_resume(bdev->dev); + pm_runtime_get(bdev->dev); + pm_runtime_mark_last_busy(bdev->dev); + pm_runtime_put_autosuspend(bdev->dev); return IRQ_HANDLED; } @@ -301,7 +303,7 @@ static const struct bcm_set_sleep_mode default_sleep_params = { .usb_auto_sleep = 0, .usb_resume_timeout = 0, .break_to_host = 0, - .pulsed_host_wake = 0, + .pulsed_host_wake = 1, }; static int bcm_setup_sleep(struct hci_uart *hu) @@ -586,8 +588,11 @@ static int bcm_recv(struct hci_uart *hu, const void *data, int count) } else if (!bcm->rx_skb) { /* Delay auto-suspend when receiving completed packet */ mutex_lock(&bcm_device_lock); - if (bcm->dev && bcm_device_exists(bcm->dev)) - pm_request_resume(bcm->dev->dev); + if (bcm->dev && bcm_device_exists(bcm->dev)) { + pm_runtime_get(bcm->dev->dev); + pm_runtime_mark_last_busy(bcm->dev->dev); + pm_runtime_put_autosuspend(bcm->dev->dev); + } mutex_unlock(&bcm_device_lock); } diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index 1e37313054f3..6da69af103e6 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -390,37 +390,23 @@ static int cc770_get_berr_counter(const struct net_device *dev, return 0; } -static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) +static void cc770_tx(struct net_device *dev, int mo) { struct cc770_priv *priv = netdev_priv(dev); - struct net_device_stats *stats = &dev->stats; - struct can_frame *cf = (struct can_frame *)skb->data; - unsigned int mo = obj2msgobj(CC770_OBJ_TX); + struct can_frame *cf = (struct can_frame *)priv->tx_skb->data; u8 dlc, rtr; u32 id; int i; - if (can_dropped_invalid_skb(dev, skb)) - return NETDEV_TX_OK; - - if ((cc770_read_reg(priv, - msgobj[mo].ctrl1) & TXRQST_UNC) == TXRQST_SET) { - netdev_err(dev, "TX register is still occupied!\n"); - return NETDEV_TX_BUSY; - } - - netif_stop_queue(dev); - dlc = cf->can_dlc; id = cf->can_id; - if (cf->can_id & CAN_RTR_FLAG) - rtr = 0; - else - rtr = MSGCFG_DIR; + rtr = cf->can_id & CAN_RTR_FLAG ? 0 : MSGCFG_DIR; + + cc770_write_reg(priv, msgobj[mo].ctrl0, + MSGVAL_RES | TXIE_RES | RXIE_RES | INTPND_RES); cc770_write_reg(priv, msgobj[mo].ctrl1, RMTPND_RES | TXRQST_RES | CPUUPD_SET | NEWDAT_RES); - cc770_write_reg(priv, msgobj[mo].ctrl0, - MSGVAL_SET | TXIE_SET | RXIE_RES | INTPND_RES); + if (id & CAN_EFF_FLAG) { id &= CAN_EFF_MASK; cc770_write_reg(priv, msgobj[mo].config, @@ -439,22 +425,30 @@ static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) for (i = 0; i < dlc; i++) cc770_write_reg(priv, msgobj[mo].data[i], cf->data[i]); - /* Store echo skb before starting the transfer */ - can_put_echo_skb(skb, dev, 0); - cc770_write_reg(priv, msgobj[mo].ctrl1, - RMTPND_RES | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC); + RMTPND_UNC | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC); + cc770_write_reg(priv, msgobj[mo].ctrl0, + MSGVAL_SET | TXIE_SET | RXIE_SET | INTPND_UNC); +} - stats->tx_bytes += dlc; +static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct cc770_priv *priv = netdev_priv(dev); + unsigned int mo = obj2msgobj(CC770_OBJ_TX); + if (can_dropped_invalid_skb(dev, skb)) + return NETDEV_TX_OK; - /* - * HM: We had some cases of repeated IRQs so make sure the - * INT is acknowledged I know it's already further up, but - * doing again fixed the issue - */ - cc770_write_reg(priv, msgobj[mo].ctrl0, - MSGVAL_UNC | TXIE_UNC | RXIE_UNC | INTPND_RES); + netif_stop_queue(dev); + + if ((cc770_read_reg(priv, + msgobj[mo].ctrl1) & TXRQST_UNC) == TXRQST_SET) { + netdev_err(dev, "TX register is still occupied!\n"); + return NETDEV_TX_BUSY; + } + + priv->tx_skb = skb; + cc770_tx(dev, mo); return NETDEV_TX_OK; } @@ -680,19 +674,46 @@ static void cc770_tx_interrupt(struct net_device *dev, unsigned int o) struct cc770_priv *priv = netdev_priv(dev); struct net_device_stats *stats = &dev->stats; unsigned int mo = obj2msgobj(o); + struct can_frame *cf; + u8 ctrl1; + + ctrl1 = cc770_read_reg(priv, msgobj[mo].ctrl1); - /* Nothing more to send, switch off interrupts */ cc770_write_reg(priv, msgobj[mo].ctrl0, MSGVAL_RES | TXIE_RES | RXIE_RES | INTPND_RES); - /* - * We had some cases of repeated IRQ so make sure the - * INT is acknowledged + cc770_write_reg(priv, msgobj[mo].ctrl1, + RMTPND_RES | TXRQST_RES | MSGLST_RES | NEWDAT_RES); + + if (unlikely(!priv->tx_skb)) { + netdev_err(dev, "missing tx skb in tx interrupt\n"); + return; + } + + if (unlikely(ctrl1 & MSGLST_SET)) { + stats->rx_over_errors++; + stats->rx_errors++; + } + + /* When the CC770 is sending an RTR message and it receives a regular + * message that matches the id of the RTR message, it will overwrite the + * outgoing message in the TX register. When this happens we must + * process the received message and try to transmit the outgoing skb + * again. */ - cc770_write_reg(priv, msgobj[mo].ctrl0, - MSGVAL_UNC | TXIE_UNC | RXIE_UNC | INTPND_RES); + if (unlikely(ctrl1 & NEWDAT_SET)) { + cc770_rx(dev, mo, ctrl1); + cc770_tx(dev, mo); + return; + } + cf = (struct can_frame *)priv->tx_skb->data; + stats->tx_bytes += cf->can_dlc; stats->tx_packets++; + + can_put_echo_skb(priv->tx_skb, dev, 0); can_get_echo_skb(dev, 0); + priv->tx_skb = NULL; + netif_wake_queue(dev); } @@ -804,6 +825,7 @@ struct net_device *alloc_cc770dev(int sizeof_priv) priv->can.do_set_bittiming = cc770_set_bittiming; priv->can.do_set_mode = cc770_set_mode; priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; + priv->tx_skb = NULL; memcpy(priv->obj_flags, cc770_obj_flags, sizeof(cc770_obj_flags)); diff --git a/drivers/net/can/cc770/cc770.h b/drivers/net/can/cc770/cc770.h index a1739db98d91..95752e1d1283 100644 --- a/drivers/net/can/cc770/cc770.h +++ b/drivers/net/can/cc770/cc770.h @@ -193,6 +193,8 @@ struct cc770_priv { u8 cpu_interface; /* CPU interface register */ u8 clkout; /* Clock out register */ u8 bus_config; /* Bus conffiguration register */ + + struct sk_buff *tx_skb; }; struct net_device *alloc_cc770dev(int sizeof_priv); diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 2772d05ff11c..fedd927ba6ed 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -30,6 +30,7 @@ #define IFI_CANFD_STCMD_ERROR_ACTIVE BIT(2) #define IFI_CANFD_STCMD_ERROR_PASSIVE BIT(3) #define IFI_CANFD_STCMD_BUSOFF BIT(4) +#define IFI_CANFD_STCMD_ERROR_WARNING BIT(5) #define IFI_CANFD_STCMD_BUSMONITOR BIT(16) #define IFI_CANFD_STCMD_LOOPBACK BIT(18) #define IFI_CANFD_STCMD_DISABLE_CANFD BIT(24) @@ -52,7 +53,10 @@ #define IFI_CANFD_TXSTCMD_OVERFLOW BIT(13) #define IFI_CANFD_INTERRUPT 0xc +#define IFI_CANFD_INTERRUPT_ERROR_BUSOFF BIT(0) #define IFI_CANFD_INTERRUPT_ERROR_WARNING BIT(1) +#define IFI_CANFD_INTERRUPT_ERROR_STATE_CHG BIT(2) +#define IFI_CANFD_INTERRUPT_ERROR_REC_TEC_INC BIT(3) #define IFI_CANFD_INTERRUPT_ERROR_COUNTER BIT(10) #define IFI_CANFD_INTERRUPT_TXFIFO_EMPTY BIT(16) #define IFI_CANFD_INTERRUPT_TXFIFO_REMOVE BIT(22) @@ -61,6 +65,10 @@ #define IFI_CANFD_INTERRUPT_SET_IRQ ((u32)BIT(31)) #define IFI_CANFD_IRQMASK 0x10 +#define IFI_CANFD_IRQMASK_ERROR_BUSOFF BIT(0) +#define IFI_CANFD_IRQMASK_ERROR_WARNING BIT(1) +#define IFI_CANFD_IRQMASK_ERROR_STATE_CHG BIT(2) +#define IFI_CANFD_IRQMASK_ERROR_REC_TEC_INC BIT(3) #define IFI_CANFD_IRQMASK_SET_ERR BIT(7) #define IFI_CANFD_IRQMASK_SET_TS BIT(15) #define IFI_CANFD_IRQMASK_TXFIFO_EMPTY BIT(16) @@ -136,6 +144,8 @@ #define IFI_CANFD_SYSCLOCK 0x50 #define IFI_CANFD_VER 0x54 +#define IFI_CANFD_VER_REV_MASK 0xff +#define IFI_CANFD_VER_REV_MIN_SUPPORTED 0x15 #define IFI_CANFD_IP_ID 0x58 #define IFI_CANFD_IP_ID_VALUE 0xD073CAFD @@ -220,7 +230,10 @@ static void ifi_canfd_irq_enable(struct net_device *ndev, bool enable) if (enable) { enirq = IFI_CANFD_IRQMASK_TXFIFO_EMPTY | - IFI_CANFD_IRQMASK_RXFIFO_NEMPTY; + IFI_CANFD_IRQMASK_RXFIFO_NEMPTY | + IFI_CANFD_IRQMASK_ERROR_STATE_CHG | + IFI_CANFD_IRQMASK_ERROR_WARNING | + IFI_CANFD_IRQMASK_ERROR_BUSOFF; if (priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) enirq |= IFI_CANFD_INTERRUPT_ERROR_COUNTER; } @@ -361,12 +374,13 @@ static int ifi_canfd_handle_lost_msg(struct net_device *ndev) return 1; } -static int ifi_canfd_handle_lec_err(struct net_device *ndev, const u32 errctr) +static int ifi_canfd_handle_lec_err(struct net_device *ndev) { struct ifi_canfd_priv *priv = netdev_priv(ndev); struct net_device_stats *stats = &ndev->stats; struct can_frame *cf; struct sk_buff *skb; + u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR); const u32 errmask = IFI_CANFD_ERROR_CTR_OVERLOAD_FIRST | IFI_CANFD_ERROR_CTR_ACK_ERROR_FIRST | IFI_CANFD_ERROR_CTR_BIT0_ERROR_FIRST | @@ -449,6 +463,11 @@ static int ifi_canfd_handle_state_change(struct net_device *ndev, switch (new_state) { case CAN_STATE_ERROR_ACTIVE: + /* error active state */ + priv->can.can_stats.error_warning++; + priv->can.state = CAN_STATE_ERROR_ACTIVE; + break; + case CAN_STATE_ERROR_WARNING: /* error warning state */ priv->can.can_stats.error_warning++; priv->can.state = CAN_STATE_ERROR_WARNING; @@ -477,7 +496,7 @@ static int ifi_canfd_handle_state_change(struct net_device *ndev, ifi_canfd_get_berr_counter(ndev, &bec); switch (new_state) { - case CAN_STATE_ERROR_ACTIVE: + case CAN_STATE_ERROR_WARNING: /* error warning state */ cf->can_id |= CAN_ERR_CRTL; cf->data[1] = (bec.txerr > bec.rxerr) ? @@ -510,22 +529,21 @@ static int ifi_canfd_handle_state_change(struct net_device *ndev, return 1; } -static int ifi_canfd_handle_state_errors(struct net_device *ndev, u32 stcmd) +static int ifi_canfd_handle_state_errors(struct net_device *ndev) { struct ifi_canfd_priv *priv = netdev_priv(ndev); + u32 stcmd = readl(priv->base + IFI_CANFD_STCMD); int work_done = 0; - u32 isr; - /* - * The ErrWarn condition is a little special, since the bit is - * located in the INTERRUPT register instead of STCMD register. - */ - isr = readl(priv->base + IFI_CANFD_INTERRUPT); - if ((isr & IFI_CANFD_INTERRUPT_ERROR_WARNING) && + if ((stcmd & IFI_CANFD_STCMD_ERROR_ACTIVE) && + (priv->can.state != CAN_STATE_ERROR_ACTIVE)) { + netdev_dbg(ndev, "Error, entered active state\n"); + work_done += ifi_canfd_handle_state_change(ndev, + CAN_STATE_ERROR_ACTIVE); + } + + if ((stcmd & IFI_CANFD_STCMD_ERROR_WARNING) && (priv->can.state != CAN_STATE_ERROR_WARNING)) { - /* Clear the interrupt */ - writel(IFI_CANFD_INTERRUPT_ERROR_WARNING, - priv->base + IFI_CANFD_INTERRUPT); netdev_dbg(ndev, "Error, entered warning state\n"); work_done += ifi_canfd_handle_state_change(ndev, CAN_STATE_ERROR_WARNING); @@ -552,18 +570,11 @@ static int ifi_canfd_poll(struct napi_struct *napi, int quota) { struct net_device *ndev = napi->dev; struct ifi_canfd_priv *priv = netdev_priv(ndev); - const u32 stcmd_state_mask = IFI_CANFD_STCMD_ERROR_PASSIVE | - IFI_CANFD_STCMD_BUSOFF; - int work_done = 0; - - u32 stcmd = readl(priv->base + IFI_CANFD_STCMD); u32 rxstcmd = readl(priv->base + IFI_CANFD_RXSTCMD); - u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR); + int work_done = 0; /* Handle bus state changes */ - if ((stcmd & stcmd_state_mask) || - ((stcmd & IFI_CANFD_STCMD_ERROR_ACTIVE) == 0)) - work_done += ifi_canfd_handle_state_errors(ndev, stcmd); + work_done += ifi_canfd_handle_state_errors(ndev); /* Handle lost messages on RX */ if (rxstcmd & IFI_CANFD_RXSTCMD_OVERFLOW) @@ -571,7 +582,7 @@ static int ifi_canfd_poll(struct napi_struct *napi, int quota) /* Handle lec errors on the bus */ if (priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) - work_done += ifi_canfd_handle_lec_err(ndev, errctr); + work_done += ifi_canfd_handle_lec_err(ndev); /* Handle normal messages on RX */ if (!(rxstcmd & IFI_CANFD_RXSTCMD_EMPTY)) @@ -592,12 +603,13 @@ static irqreturn_t ifi_canfd_isr(int irq, void *dev_id) struct net_device_stats *stats = &ndev->stats; const u32 rx_irq_mask = IFI_CANFD_INTERRUPT_RXFIFO_NEMPTY | IFI_CANFD_INTERRUPT_RXFIFO_NEMPTY_PER | + IFI_CANFD_INTERRUPT_ERROR_COUNTER | + IFI_CANFD_INTERRUPT_ERROR_STATE_CHG | IFI_CANFD_INTERRUPT_ERROR_WARNING | - IFI_CANFD_INTERRUPT_ERROR_COUNTER; + IFI_CANFD_INTERRUPT_ERROR_BUSOFF; const u32 tx_irq_mask = IFI_CANFD_INTERRUPT_TXFIFO_EMPTY | IFI_CANFD_INTERRUPT_TXFIFO_REMOVE; - const u32 clr_irq_mask = ~((u32)(IFI_CANFD_INTERRUPT_SET_IRQ | - IFI_CANFD_INTERRUPT_ERROR_WARNING)); + const u32 clr_irq_mask = ~((u32)IFI_CANFD_INTERRUPT_SET_IRQ); u32 isr; isr = readl(priv->base + IFI_CANFD_INTERRUPT); @@ -933,7 +945,7 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev) struct resource *res; void __iomem *addr; int irq, ret; - u32 id; + u32 id, rev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); addr = devm_ioremap_resource(dev, res); @@ -947,6 +959,13 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev) return -EINVAL; } + rev = readl(addr + IFI_CANFD_VER) & IFI_CANFD_VER_REV_MASK; + if (rev < IFI_CANFD_VER_REV_MIN_SUPPORTED) { + dev_err(dev, "This block is too old (rev %i), minimum supported is rev %i\n", + rev, IFI_CANFD_VER_REV_MIN_SUPPORTED); + return -EINVAL; + } + ndev = alloc_candev(sizeof(*priv), 1); if (!ndev) return -ENOMEM; diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 2594f7779c6f..b397a33f3d32 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -26,6 +26,7 @@ #include <linux/pm_runtime.h> #include <linux/iopoll.h> #include <linux/can/dev.h> +#include <linux/pinctrl/consumer.h> /* napi related */ #define M_CAN_NAPI_WEIGHT 64 @@ -253,7 +254,7 @@ enum m_can_mram_cfg { /* Rx FIFO 0/1 Configuration (RXF0C/RXF1C) */ #define RXFC_FWM_SHIFT 24 -#define RXFC_FWM_MASK (0x7f < RXFC_FWM_SHIFT) +#define RXFC_FWM_MASK (0x7f << RXFC_FWM_SHIFT) #define RXFC_FS_SHIFT 16 #define RXFC_FS_MASK (0x7f << RXFC_FS_SHIFT) @@ -1700,6 +1701,8 @@ static __maybe_unused int m_can_suspend(struct device *dev) m_can_clk_stop(priv); } + pinctrl_pm_select_sleep_state(dev); + priv->can.state = CAN_STATE_SLEEPING; return 0; @@ -1710,6 +1713,8 @@ static __maybe_unused int m_can_resume(struct device *dev) struct net_device *ndev = dev_get_drvdata(dev); struct m_can_priv *priv = netdev_priv(ndev); + pinctrl_pm_select_default_state(dev); + m_can_init_ram(priv); priv->can.state = CAN_STATE_ERROR_ACTIVE; diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c index 55513411a82e..ed8561d4a90f 100644 --- a/drivers/net/can/peak_canfd/peak_canfd.c +++ b/drivers/net/can/peak_canfd/peak_canfd.c @@ -262,7 +262,6 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv, spin_lock_irqsave(&priv->echo_lock, flags); can_get_echo_skb(priv->ndev, msg->client); - spin_unlock_irqrestore(&priv->echo_lock, flags); /* count bytes of the echo instead of skb */ stats->tx_bytes += cf_len; @@ -271,6 +270,7 @@ static int pucan_handle_can_rx(struct peak_canfd_priv *priv, /* restart tx queue (a slot is free) */ netif_wake_queue(priv->ndev); + spin_unlock_irqrestore(&priv->echo_lock, flags); return 0; } @@ -333,7 +333,6 @@ static int pucan_handle_status(struct peak_canfd_priv *priv, /* this STATUS is the CNF of the RX_BARRIER: Tx path can be setup */ if (pucan_status_is_rx_barrier(msg)) { - unsigned long flags; if (priv->enable_tx_path) { int err = priv->enable_tx_path(priv); @@ -342,16 +341,8 @@ static int pucan_handle_status(struct peak_canfd_priv *priv, return err; } - /* restart network queue only if echo skb array is free */ - spin_lock_irqsave(&priv->echo_lock, flags); - - if (!priv->can.echo_skb[priv->echo_idx]) { - spin_unlock_irqrestore(&priv->echo_lock, flags); - - netif_wake_queue(ndev); - } else { - spin_unlock_irqrestore(&priv->echo_lock, flags); - } + /* start network queue (echo_skb array is empty) */ + netif_start_queue(ndev); return 0; } @@ -726,11 +717,6 @@ static netdev_tx_t peak_canfd_start_xmit(struct sk_buff *skb, */ should_stop_tx_queue = !!(priv->can.echo_skb[priv->echo_idx]); - spin_unlock_irqrestore(&priv->echo_lock, flags); - - /* write the skb on the interface */ - priv->write_tx_msg(priv, msg); - /* stop network tx queue if not enough room to save one more msg too */ if (priv->can.ctrlmode & CAN_CTRLMODE_FD) should_stop_tx_queue |= (room_left < @@ -742,6 +728,11 @@ static netdev_tx_t peak_canfd_start_xmit(struct sk_buff *skb, if (should_stop_tx_queue) netif_stop_queue(ndev); + spin_unlock_irqrestore(&priv->echo_lock, flags); + + /* write the skb on the interface */ + priv->write_tx_msg(priv, msg); + return NETDEV_TX_OK; } diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c index 788c3464a3b0..3c51a884db87 100644 --- a/drivers/net/can/peak_canfd/peak_pciefd_main.c +++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c @@ -349,8 +349,12 @@ static irqreturn_t pciefd_irq_handler(int irq, void *arg) priv->tx_pages_free++; spin_unlock_irqrestore(&priv->tx_lock, flags); - /* wake producer up */ - netif_wake_queue(priv->ucan.ndev); + /* wake producer up (only if enough room in echo_skb array) */ + spin_lock_irqsave(&priv->ucan.echo_lock, flags); + if (!priv->ucan.can.echo_skb[priv->ucan.echo_idx]) + netif_wake_queue(priv->ucan.ndev); + + spin_unlock_irqrestore(&priv->ucan.echo_lock, flags); } /* re-enable Rx DMA transfer for this CAN */ diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile index d040aeb45172..15c2a831edf1 100644 --- a/drivers/net/dsa/Makefile +++ b/drivers/net/dsa/Makefile @@ -1,7 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NET_DSA_BCM_SF2) += bcm-sf2.o bcm-sf2-objs := bcm_sf2.o bcm_sf2_cfp.o -obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o dsa_loop_bdinfo.o +obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o +ifdef CONFIG_NET_DSA_LOOP +obj-$(CONFIG_FIXED_PHY) += dsa_loop_bdinfo.o +endif obj-$(CONFIG_NET_DSA_MT7530) += mt7530.o obj-$(CONFIG_NET_DSA_MV88E6060) += mv88e6060.o obj-$(CONFIG_NET_DSA_QCA8K) += qca8k.o diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index db830a1141d9..63e02a54d537 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -814,8 +814,8 @@ void b53_get_strings(struct dsa_switch *ds, int port, uint8_t *data) unsigned int i; for (i = 0; i < mib_size; i++) - memcpy(data + i * ETH_GSTRING_LEN, - mibs[i].name, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + mibs[i].name, ETH_GSTRING_LEN); } EXPORT_SYMBOL(b53_get_strings); diff --git a/drivers/net/ethernet/8390/Kconfig b/drivers/net/ethernet/8390/Kconfig index 29c3075bfb05..fdc673484add 100644 --- a/drivers/net/ethernet/8390/Kconfig +++ b/drivers/net/ethernet/8390/Kconfig @@ -3,7 +3,7 @@ # config NET_VENDOR_8390 - bool "National Semi-conductor 8390 devices" + bool "National Semiconductor 8390 devices" default y depends on NET_VENDOR_NATSEMI ---help--- diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h index 0b49f1aeebd3..fc7383106946 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h @@ -36,6 +36,8 @@ #define AQ_CFG_TX_FRAME_MAX (16U * 1024U) #define AQ_CFG_RX_FRAME_MAX (4U * 1024U) +#define AQ_CFG_TX_CLEAN_BUDGET 256U + /* LRO */ #define AQ_CFG_IS_LRO_DEF 1U diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index ebbaf63eaf47..c96a92118b8b 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -247,6 +247,8 @@ void aq_nic_ndev_init(struct aq_nic_s *self) self->ndev->hw_features |= aq_hw_caps->hw_features; self->ndev->features = aq_hw_caps->hw_features; self->ndev->priv_flags = aq_hw_caps->hw_priv_flags; + self->ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE; + self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN; self->ndev->max_mtu = aq_hw_caps->mtu - ETH_FCS_LEN - ETH_HLEN; @@ -937,3 +939,23 @@ err_exit: out: return err; } + +void aq_nic_shutdown(struct aq_nic_s *self) +{ + int err = 0; + + if (!self->ndev) + return; + + rtnl_lock(); + + netif_device_detach(self->ndev); + + err = aq_nic_stop(self); + if (err < 0) + goto err_exit; + aq_nic_deinit(self); + +err_exit: + rtnl_unlock(); +} \ No newline at end of file diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h index d16b0f1a95aa..219b550d1665 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h @@ -118,5 +118,6 @@ struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self); u32 aq_nic_get_fw_version(struct aq_nic_s *self); int aq_nic_change_pm_state(struct aq_nic_s *self, pm_message_t *pm_msg); int aq_nic_update_interrupt_moderation_settings(struct aq_nic_s *self); +void aq_nic_shutdown(struct aq_nic_s *self); #endif /* AQ_NIC_H */ diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index 87c4308b52a7..ecc6306f940f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -323,6 +323,20 @@ static void aq_pci_remove(struct pci_dev *pdev) pci_disable_device(pdev); } +static void aq_pci_shutdown(struct pci_dev *pdev) +{ + struct aq_nic_s *self = pci_get_drvdata(pdev); + + aq_nic_shutdown(self); + + pci_disable_device(pdev); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, false); + pci_set_power_state(pdev, PCI_D3hot); + } +} + static int aq_pci_suspend(struct pci_dev *pdev, pm_message_t pm_msg) { struct aq_nic_s *self = pci_get_drvdata(pdev); @@ -345,6 +359,7 @@ static struct pci_driver aq_pci_ops = { .remove = aq_pci_remove, .suspend = aq_pci_suspend, .resume = aq_pci_resume, + .shutdown = aq_pci_shutdown, }; module_pci_driver(aq_pci_ops); diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 0be6a11370bb..b5f1f62e8e25 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -136,11 +136,12 @@ void aq_ring_queue_stop(struct aq_ring_s *ring) netif_stop_subqueue(ndev, ring->idx); } -void aq_ring_tx_clean(struct aq_ring_s *self) +bool aq_ring_tx_clean(struct aq_ring_s *self) { struct device *dev = aq_nic_get_dev(self->aq_nic); + unsigned int budget = AQ_CFG_TX_CLEAN_BUDGET; - for (; self->sw_head != self->hw_head; + for (; self->sw_head != self->hw_head && budget--; self->sw_head = aq_ring_next_dx(self, self->sw_head)) { struct aq_ring_buff_s *buff = &self->buff_ring[self->sw_head]; @@ -167,6 +168,8 @@ void aq_ring_tx_clean(struct aq_ring_s *self) buff->pa = 0U; buff->eop_index = 0xffffU; } + + return !!budget; } #define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h index 965fae0fb6e0..ac1329f4051d 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h @@ -153,7 +153,7 @@ void aq_ring_free(struct aq_ring_s *self); void aq_ring_update_queue_state(struct aq_ring_s *ring); void aq_ring_queue_wake(struct aq_ring_s *ring); void aq_ring_queue_stop(struct aq_ring_s *ring); -void aq_ring_tx_clean(struct aq_ring_s *self); +bool aq_ring_tx_clean(struct aq_ring_s *self); int aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, int *work_done, diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c index f890b8a5a862..d335c334fa56 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c @@ -35,12 +35,12 @@ struct aq_vec_s { static int aq_vec_poll(struct napi_struct *napi, int budget) { struct aq_vec_s *self = container_of(napi, struct aq_vec_s, napi); + unsigned int sw_tail_old = 0U; struct aq_ring_s *ring = NULL; + bool was_tx_cleaned = true; + unsigned int i = 0U; int work_done = 0; int err = 0; - unsigned int i = 0U; - unsigned int sw_tail_old = 0U; - bool was_tx_cleaned = false; if (!self) { err = -EINVAL; @@ -57,9 +57,8 @@ static int aq_vec_poll(struct napi_struct *napi, int budget) if (ring[AQ_VEC_TX_ID].sw_head != ring[AQ_VEC_TX_ID].hw_head) { - aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]); + was_tx_cleaned = aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]); aq_ring_update_queue_state(&ring[AQ_VEC_TX_ID]); - was_tx_cleaned = true; } err = self->aq_hw_ops->hw_ring_rx_receive(self->aq_hw, @@ -90,7 +89,7 @@ static int aq_vec_poll(struct napi_struct *napi, int budget) } } - if (was_tx_cleaned) + if (!was_tx_cleaned) work_done = budget; if (work_done < budget) { diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c index 967f0fd07fcf..d3b847ec7465 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c @@ -21,6 +21,10 @@ #define HW_ATL_UCP_0X370_REG 0x0370U +#define HW_ATL_MIF_CMD 0x0200U +#define HW_ATL_MIF_ADDR 0x0208U +#define HW_ATL_MIF_VAL 0x020CU + #define HW_ATL_FW_SM_RAM 0x2U #define HW_ATL_MPI_FW_VERSION 0x18 #define HW_ATL_MPI_CONTROL_ADR 0x0368U @@ -79,16 +83,15 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops) static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) { + u32 gsr, val; int k = 0; - u32 gsr; aq_hw_write_reg(self, 0x404, 0x40e1); AQ_HW_SLEEP(50); /* Cleanup SPI */ - aq_hw_write_reg(self, 0x534, 0xA0); - aq_hw_write_reg(self, 0x100, 0x9F); - aq_hw_write_reg(self, 0x100, 0x809F); + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR); aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR, (gsr & 0xBFFF) | 0x8000); @@ -97,7 +100,14 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) aq_hw_write_reg(self, 0x404, 0x80e0); aq_hw_write_reg(self, 0x32a8, 0x0); aq_hw_write_reg(self, 0x520, 0x1); + + /* Reset SPI again because of possible interrupted SPI burst */ + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); AQ_HW_SLEEP(10); + /* Clear SPI reset state */ + aq_hw_write_reg(self, 0x53C, val & ~0x10); + aq_hw_write_reg(self, 0x404, 0x180e0); for (k = 0; k < 1000; k++) { @@ -141,13 +151,15 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) aq_pr_err("FW kickstart failed\n"); return -EIO; } + /* Old FW requires fixed delay after init */ + AQ_HW_SLEEP(15); return 0; } static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) { - u32 gsr, rbl_status; + u32 gsr, val, rbl_status; int k; aq_hw_write_reg(self, 0x404, 0x40e1); @@ -157,6 +169,10 @@ static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) /* Alter RBL status */ aq_hw_write_reg(self, 0x388, 0xDEAD); + /* Cleanup SPI */ + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); + /* Global software reset*/ hw_atl_rx_rx_reg_res_dis_set(self, 0U); hw_atl_tx_tx_reg_res_dis_set(self, 0U); @@ -204,6 +220,8 @@ static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) aq_pr_err("FW kickstart failed\n"); return -EIO; } + /* Old FW requires fixed delay after init */ + AQ_HW_SLEEP(15); return 0; } @@ -255,18 +273,22 @@ int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a, } } - aq_hw_write_reg(self, 0x00000208U, a); - - for (++cnt; --cnt;) { - u32 i = 0U; + aq_hw_write_reg(self, HW_ATL_MIF_ADDR, a); - aq_hw_write_reg(self, 0x00000200U, 0x00008000U); + for (++cnt; --cnt && !err;) { + aq_hw_write_reg(self, HW_ATL_MIF_CMD, 0x00008000U); - for (i = 1024U; - (0x100U & aq_hw_read_reg(self, 0x00000200U)) && --i;) { - } + if (IS_CHIP_FEATURE(REVISION_B1)) + AQ_HW_WAIT_FOR(a != aq_hw_read_reg(self, + HW_ATL_MIF_ADDR), + 1, 1000U); + else + AQ_HW_WAIT_FOR(!(0x100 & aq_hw_read_reg(self, + HW_ATL_MIF_CMD)), + 1, 1000U); - *(p++) = aq_hw_read_reg(self, 0x0000020CU); + *(p++) = aq_hw_read_reg(self, HW_ATL_MIF_VAL); + a += 4; } hw_atl_reg_glb_cpu_sem_set(self, 1U, HW_ATL_FW_SM_RAM); @@ -662,14 +684,18 @@ void hw_atl_utils_hw_chip_features_init(struct aq_hw_s *self, u32 *p) u32 val = hw_atl_reg_glb_mif_id_get(self); u32 mif_rev = val & 0xFFU; - if ((3U & mif_rev) == 1U) { - chip_features |= - HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 | + if ((0xFU & mif_rev) == 1U) { + chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 | HAL_ATLANTIC_UTILS_CHIP_MPI_AQ | HAL_ATLANTIC_UTILS_CHIP_MIPS; - } else if ((3U & mif_rev) == 2U) { - chip_features |= - HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 | + } else if ((0xFU & mif_rev) == 2U) { + chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 | + HAL_ATLANTIC_UTILS_CHIP_MPI_AQ | + HAL_ATLANTIC_UTILS_CHIP_MIPS | + HAL_ATLANTIC_UTILS_CHIP_TPO2 | + HAL_ATLANTIC_UTILS_CHIP_RPF2; + } else if ((0xFU & mif_rev) == 0xAU) { + chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_B1 | HAL_ATLANTIC_UTILS_CHIP_MPI_AQ | HAL_ATLANTIC_UTILS_CHIP_MIPS | HAL_ATLANTIC_UTILS_CHIP_TPO2 | diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h index 2c690947910a..cd8f18f39c61 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h @@ -161,6 +161,7 @@ struct __packed hw_aq_atl_utils_mbox { #define HAL_ATLANTIC_UTILS_CHIP_MPI_AQ 0x00000010U #define HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 0x01000000U #define HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 0x02000000U +#define HAL_ATLANTIC_UTILS_CHIP_REVISION_B1 0x04000000U #define IS_CHIP_FEATURE(_F_) (HAL_ATLANTIC_UTILS_CHIP_##_F_ & \ self->chip_features) diff --git a/drivers/net/ethernet/aquantia/atlantic/ver.h b/drivers/net/ethernet/aquantia/atlantic/ver.h index 5265b937677b..a445de6837a6 100644 --- a/drivers/net/ethernet/aquantia/atlantic/ver.h +++ b/drivers/net/ethernet/aquantia/atlantic/ver.h @@ -13,7 +13,7 @@ #define NIC_MAJOR_DRIVER_VERSION 2 #define NIC_MINOR_DRIVER_VERSION 0 #define NIC_BUILD_DRIVER_VERSION 2 -#define NIC_REVISION_DRIVER_VERSION 0 +#define NIC_REVISION_DRIVER_VERSION 1 #define AQ_CFG_DRV_VERSION_SUFFIX "-kern" diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c index 16f9bee992fe..0f6576802607 100644 --- a/drivers/net/ethernet/arc/emac_rockchip.c +++ b/drivers/net/ethernet/arc/emac_rockchip.c @@ -169,8 +169,10 @@ static int emac_rockchip_probe(struct platform_device *pdev) /* Optional regulator for PHY */ priv->regulator = devm_regulator_get_optional(dev, "phy"); if (IS_ERR(priv->regulator)) { - if (PTR_ERR(priv->regulator) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(priv->regulator) == -EPROBE_DEFER) { + err = -EPROBE_DEFER; + goto out_clk_disable; + } dev_err(dev, "no regulator found\n"); priv->regulator = NULL; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index f15a8fc6dfc9..3fc549b88c43 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -855,10 +855,12 @@ static void bcm_sysport_tx_reclaim_one(struct bcm_sysport_tx_ring *ring, static unsigned int __bcm_sysport_tx_reclaim(struct bcm_sysport_priv *priv, struct bcm_sysport_tx_ring *ring) { - unsigned int c_index, last_c_index, last_tx_cn, num_tx_cbs; unsigned int pkts_compl = 0, bytes_compl = 0; struct net_device *ndev = priv->netdev; + unsigned int txbds_processed = 0; struct bcm_sysport_cb *cb; + unsigned int txbds_ready; + unsigned int c_index; u32 hw_ind; /* Clear status before servicing to reduce spurious interrupts */ @@ -871,29 +873,23 @@ static unsigned int __bcm_sysport_tx_reclaim(struct bcm_sysport_priv *priv, /* Compute how many descriptors have been processed since last call */ hw_ind = tdma_readl(priv, TDMA_DESC_RING_PROD_CONS_INDEX(ring->index)); c_index = (hw_ind >> RING_CONS_INDEX_SHIFT) & RING_CONS_INDEX_MASK; - ring->p_index = (hw_ind & RING_PROD_INDEX_MASK); - - last_c_index = ring->c_index; - num_tx_cbs = ring->size; - - c_index &= (num_tx_cbs - 1); - - if (c_index >= last_c_index) - last_tx_cn = c_index - last_c_index; - else - last_tx_cn = num_tx_cbs - last_c_index + c_index; + txbds_ready = (c_index - ring->c_index) & RING_CONS_INDEX_MASK; netif_dbg(priv, tx_done, ndev, - "ring=%d c_index=%d last_tx_cn=%d last_c_index=%d\n", - ring->index, c_index, last_tx_cn, last_c_index); + "ring=%d old_c_index=%u c_index=%u txbds_ready=%u\n", + ring->index, ring->c_index, c_index, txbds_ready); - while (last_tx_cn-- > 0) { - cb = ring->cbs + last_c_index; + while (txbds_processed < txbds_ready) { + cb = &ring->cbs[ring->clean_index]; bcm_sysport_tx_reclaim_one(ring, cb, &bytes_compl, &pkts_compl); ring->desc_count++; - last_c_index++; - last_c_index &= (num_tx_cbs - 1); + txbds_processed++; + + if (likely(ring->clean_index < ring->size - 1)) + ring->clean_index++; + else + ring->clean_index = 0; } u64_stats_update_begin(&priv->syncp); @@ -1394,6 +1390,7 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv, netif_tx_napi_add(priv->netdev, &ring->napi, bcm_sysport_tx_poll, 64); ring->index = index; ring->size = size; + ring->clean_index = 0; ring->alloc_size = ring->size; ring->desc_cpu = p; ring->desc_count = ring->size; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index f5a984c1c986..19c91c76e327 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -706,7 +706,7 @@ struct bcm_sysport_tx_ring { unsigned int desc_count; /* Number of descriptors */ unsigned int curr_desc; /* Current descriptor */ unsigned int c_index; /* Last consumer index */ - unsigned int p_index; /* Current producer index */ + unsigned int clean_index; /* Current clean index */ struct bcm_sysport_cb *cbs; /* Transmit control blocks */ struct dma_desc *desc_cpu; /* CPU view of the descriptor */ struct bcm_sysport_priv *priv; /* private context backpointer */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 74fc9af4aadb..b8388e93520a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -13913,7 +13913,7 @@ static void bnx2x_register_phc(struct bnx2x *bp) bp->ptp_clock = ptp_clock_register(&bp->ptp_clock_info, &bp->pdev->dev); if (IS_ERR(bp->ptp_clock)) { bp->ptp_clock = NULL; - BNX2X_ERR("PTP clock registeration failed\n"); + BNX2X_ERR("PTP clock registration failed\n"); } } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 1500243b9886..c7e5e6f09647 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1439,7 +1439,7 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) { u16 vlan_proto = tpa_info->metadata >> RX_CMP_FLAGS2_METADATA_TPID_SFT; - u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_VID_MASK; + u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK; __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag); } @@ -1623,7 +1623,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons, cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) && (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) { u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data); - u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_VID_MASK; + u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK; u16 vlan_proto = meta_data >> RX_CMP_FLAGS2_METADATA_TPID_SFT; __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag); @@ -3847,6 +3847,9 @@ static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags) struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; struct hwrm_vnic_tpa_cfg_input req = {0}; + if (vnic->fw_vnic_id == INVALID_HW_RING_ID) + return 0; + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_TPA_CFG, -1, -1); if (tpa_flags) { @@ -4558,18 +4561,17 @@ int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings) return rc; } -static int -bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings, int vnics) +static void +__bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req, + int tx_rings, int rx_rings, int ring_grps, + int cp_rings, int vnics) { - struct hwrm_func_cfg_input req = {0}; u32 enables = 0; - int rc; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); - req.fid = cpu_to_le16(0xffff); + bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_CFG, -1, -1); + req->fid = cpu_to_le16(0xffff); enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; - req.num_tx_rings = cpu_to_le16(tx_rings); + req->num_tx_rings = cpu_to_le16(tx_rings); if (bp->flags & BNXT_FLAG_NEW_RM) { enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | @@ -4578,16 +4580,53 @@ bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_stat_ctxs = req.num_cmpl_rings; - req.num_vnics = cpu_to_le16(vnics); + req->num_rx_rings = cpu_to_le16(rx_rings); + req->num_hw_ring_grps = cpu_to_le16(ring_grps); + req->num_cmpl_rings = cpu_to_le16(cp_rings); + req->num_stat_ctxs = req->num_cmpl_rings; + req->num_vnics = cpu_to_le16(vnics); } - if (!enables) + req->enables = cpu_to_le32(enables); +} + +static void +__bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, + struct hwrm_func_vf_cfg_input *req, int tx_rings, + int rx_rings, int ring_grps, int cp_rings, + int vnics) +{ + u32 enables = 0; + + bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_VF_CFG, -1, -1); + enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; + enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; + enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; + enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; + enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; + + req->num_tx_rings = cpu_to_le16(tx_rings); + req->num_rx_rings = cpu_to_le16(rx_rings); + req->num_hw_ring_grps = cpu_to_le16(ring_grps); + req->num_cmpl_rings = cpu_to_le16(cp_rings); + req->num_stat_ctxs = req->num_cmpl_rings; + req->num_vnics = cpu_to_le16(vnics); + + req->enables = cpu_to_le32(enables); +} + +static int +bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, + int ring_grps, int cp_rings, int vnics) +{ + struct hwrm_func_cfg_input req = {0}; + int rc; + + __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); + if (!req.enables) return 0; - req.enables = cpu_to_le32(enables); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4604,7 +4643,6 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, int ring_grps, int cp_rings, int vnics) { struct hwrm_func_vf_cfg_input req = {0}; - u32 enables = 0; int rc; if (!(bp->flags & BNXT_FLAG_NEW_RM)) { @@ -4612,22 +4650,8 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, return 0; } - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); - enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0; - enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0; - enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0; - enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0; - enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0; - - req.num_tx_rings = cpu_to_le16(tx_rings); - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_stat_ctxs = req.num_cmpl_rings; - req.num_vnics = cpu_to_le16(vnics); - - req.enables = cpu_to_le32(enables); + __bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4743,39 +4767,25 @@ static bool bnxt_need_reserve_rings(struct bnxt *bp) } static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings) + int ring_grps, int cp_rings, int vnics) { struct hwrm_func_vf_cfg_input req = {0}; - u32 flags, enables; + u32 flags; int rc; if (!(bp->flags & BNXT_FLAG_NEW_RM)) return 0; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); + __bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | FUNC_VF_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; - enables = FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | - FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS | - FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS; req.flags = cpu_to_le32(flags); - req.enables = cpu_to_le32(enables); - req.num_tx_rings = cpu_to_le16(tx_rings); - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_stat_ctxs = cpu_to_le16(cp_rings); - req.num_vnics = cpu_to_le16(1); - if (bp->flags & BNXT_FLAG_RFS) - req.num_vnics = cpu_to_le16(rx_rings + 1); rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4783,38 +4793,23 @@ static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings, } static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings) + int ring_grps, int cp_rings, int vnics) { struct hwrm_func_cfg_input req = {0}; - u32 flags, enables; + u32 flags; int rc; - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); - req.fid = cpu_to_le16(0xffff); + __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps, + cp_rings, vnics); flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST; - enables = FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS; - req.num_tx_rings = cpu_to_le16(tx_rings); - if (bp->flags & BNXT_FLAG_NEW_RM) { + if (bp->flags & BNXT_FLAG_NEW_RM) flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_CMPL_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST | FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST; - enables |= FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS | - FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | - FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS | - FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS | - FUNC_CFG_REQ_ENABLES_NUM_VNICS; - req.num_rx_rings = cpu_to_le16(rx_rings); - req.num_cmpl_rings = cpu_to_le16(cp_rings); - req.num_hw_ring_grps = cpu_to_le16(ring_grps); - req.num_stat_ctxs = cpu_to_le16(cp_rings); - req.num_vnics = cpu_to_le16(1); - if (bp->flags & BNXT_FLAG_RFS) - req.num_vnics = cpu_to_le16(rx_rings + 1); - } + req.flags = cpu_to_le32(flags); - req.enables = cpu_to_le32(enables); rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) return -ENOMEM; @@ -4822,17 +4817,17 @@ static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings, } static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings, - int ring_grps, int cp_rings) + int ring_grps, int cp_rings, int vnics) { if (bp->hwrm_spec_code < 0x10801) return 0; if (BNXT_PF(bp)) return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings, - ring_grps, cp_rings); + ring_grps, cp_rings, vnics); return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps, - cp_rings); + cp_rings, vnics); } static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal, @@ -5865,7 +5860,6 @@ static int bnxt_init_msix(struct bnxt *bp) if (rc) goto msix_setup_exit; - bp->tx_nr_rings_per_tc = bp->tx_nr_rings; bp->cp_nr_rings = (min == 1) ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : bp->tx_nr_rings + bp->rx_nr_rings; @@ -5897,7 +5891,6 @@ static int bnxt_init_inta(struct bnxt *bp) bp->rx_nr_rings = 1; bp->tx_nr_rings = 1; bp->cp_nr_rings = 1; - bp->tx_nr_rings_per_tc = bp->tx_nr_rings; bp->flags |= BNXT_FLAG_SHARED_RINGS; bp->irq_tbl[0].vector = bp->pdev->irq; return 0; @@ -7531,7 +7524,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, int max_rx, max_tx, tx_sets = 1; int tx_rings_needed; int rx_rings = rx; - int cp, rc; + int cp, vnics, rc; if (tcs) tx_sets = tcs; @@ -7547,10 +7540,15 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, if (max_tx < tx_rings_needed) return -ENOMEM; + vnics = 1; + if (bp->flags & BNXT_FLAG_RFS) + vnics += rx_rings; + if (bp->flags & BNXT_FLAG_AGG_RINGS) rx_rings <<= 1; cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx; - return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp); + return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp, + vnics); } static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev) @@ -8437,13 +8435,20 @@ int bnxt_restore_pf_fw_resources(struct bnxt *bp) return 0; bnxt_hwrm_func_qcaps(bp); - __bnxt_close_nic(bp, true, false); + + if (netif_running(bp->dev)) + __bnxt_close_nic(bp, true, false); + bnxt_clear_int_mode(bp); rc = bnxt_init_int_mode(bp); - if (rc) - dev_close(bp->dev); - else - rc = bnxt_open_nic(bp, true, false); + + if (netif_running(bp->dev)) { + if (rc) + dev_close(bp->dev); + else + rc = bnxt_open_nic(bp, true, false); + } + return rc; } @@ -8664,6 +8669,11 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) goto init_err_pci_clean; + /* No TC has been set yet and rings may have been trimmed due to + * limited MSIX, so we re-initialize the TX rings per TC. + */ + bp->tx_nr_rings_per_tc = bp->tx_nr_rings; + bnxt_get_wol_settings(bp); if (bp->flags & BNXT_FLAG_WOL_CAP) device_set_wakeup_enable(&pdev->dev, bp->wol); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 1989c470172c..5e3d62189cab 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -189,6 +189,7 @@ struct rx_cmp_ext { #define RX_CMP_FLAGS2_T_L4_CS_CALC (0x1 << 3) #define RX_CMP_FLAGS2_META_FORMAT_VLAN (0x1 << 4) __le32 rx_cmp_meta_data; + #define RX_CMP_FLAGS2_METADATA_TCI_MASK 0xffff #define RX_CMP_FLAGS2_METADATA_VID_MASK 0xfff #define RX_CMP_FLAGS2_METADATA_TPID_MASK 0xffff0000 #define RX_CMP_FLAGS2_METADATA_TPID_SFT 16 diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index fbe6e208e17b..65c2cee35766 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -349,6 +349,9 @@ static int bnxt_hwrm_cfa_flow_free(struct bnxt *bp, __le16 flow_handle) if (rc) netdev_info(bp->dev, "Error: %s: flow_handle=0x%x rc=%d", __func__, flow_handle, rc); + + if (rc) + rc = -EIO; return rc; } @@ -484,13 +487,15 @@ static int bnxt_hwrm_cfa_flow_alloc(struct bnxt *bp, struct bnxt_tc_flow *flow, req.action_flags = cpu_to_le16(action_flags); mutex_lock(&bp->hwrm_cmd_lock); - rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (!rc) *flow_handle = resp->flow_handle; - mutex_unlock(&bp->hwrm_cmd_lock); + if (rc == HWRM_ERR_CODE_RESOURCE_ALLOC_ERROR) + rc = -ENOSPC; + else if (rc) + rc = -EIO; return rc; } @@ -561,6 +566,8 @@ static int hwrm_cfa_decap_filter_alloc(struct bnxt *bp, netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); mutex_unlock(&bp->hwrm_cmd_lock); + if (rc) + rc = -EIO; return rc; } @@ -576,6 +583,9 @@ static int hwrm_cfa_decap_filter_free(struct bnxt *bp, rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); + + if (rc) + rc = -EIO; return rc; } @@ -624,6 +634,8 @@ static int hwrm_cfa_encap_record_alloc(struct bnxt *bp, netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); mutex_unlock(&bp->hwrm_cmd_lock); + if (rc) + rc = -EIO; return rc; } @@ -639,6 +651,9 @@ static int hwrm_cfa_encap_record_free(struct bnxt *bp, rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) netdev_info(bp->dev, "%s: Error rc=%d", __func__, rc); + + if (rc) + rc = -EIO; return rc; } @@ -1269,11 +1284,8 @@ static int bnxt_tc_del_flow(struct bnxt *bp, flow_node = rhashtable_lookup_fast(&tc_info->flow_table, &tc_flow_cmd->cookie, tc_info->flow_ht_params); - if (!flow_node) { - netdev_info(bp->dev, "ERROR: no flow_node for cookie %lx", - tc_flow_cmd->cookie); + if (!flow_node) return -EINVAL; - } return __bnxt_tc_del_flow(bp, flow_node); } @@ -1290,11 +1302,8 @@ static int bnxt_tc_get_flow_stats(struct bnxt *bp, flow_node = rhashtable_lookup_fast(&tc_info->flow_table, &tc_flow_cmd->cookie, tc_info->flow_ht_params); - if (!flow_node) { - netdev_info(bp->dev, "Error: no flow_node for cookie %lx", - tc_flow_cmd->cookie); + if (!flow_node) return -1; - } flow = &flow_node->flow; curr_stats = &flow->stats; @@ -1344,8 +1353,10 @@ bnxt_hwrm_cfa_flow_stats_get(struct bnxt *bp, int num_flows, } else { netdev_info(bp->dev, "error rc=%d", rc); } - mutex_unlock(&bp->hwrm_cmd_lock); + + if (rc) + rc = -EIO; return rc; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index c1841db1b500..f2593978ae75 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -820,7 +820,7 @@ static int tg3_ape_event_lock(struct tg3 *tp, u32 timeout_us) tg3_ape_unlock(tp, TG3_APE_LOCK_MEM); - usleep_range(10, 20); + udelay(10); timeout_us -= (timeout_us > 10) ? 10 : timeout_us; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 7b452e85de2a..61022b5f6743 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4970,7 +4970,6 @@ static void cxgb4_mgmt_setup(struct net_device *dev) /* Initialize the device structure. */ dev->netdev_ops = &cxgb4_mgmt_netdev_ops; dev->ethtool_ops = &cxgb4_mgmt_ethtool_ops; - dev->needs_free_netdev = true; } static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs) @@ -5181,6 +5180,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->name = pci_name(pdev); adapter->mbox = func; adapter->pf = func; + adapter->params.chip = chip; + adapter->adap_idx = adap_idx; adapter->msg_enable = DFLT_MSG_ENABLE; adapter->mbox_log = kzalloc(sizeof(*adapter->mbox_log) + (sizeof(struct mbox_cmd) * diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 5eb999af2c40..bd3f6e4d1341 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -540,6 +540,7 @@ static int gmac_setup_txqs(struct net_device *netdev) if (port->txq_dma_base & ~DMA_Q_BASE_MASK) { dev_warn(geth->dev, "TX queue base it not aligned\n"); + kfree(skb_tab); return -ENOMEM; } diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 7caa8da48421..e4ec32a9ca15 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2008,7 +2008,6 @@ static inline int dpaa_xmit(struct dpaa_priv *priv, } if (unlikely(err < 0)) { - percpu_stats->tx_errors++; percpu_stats->tx_fifo_errors++; return err; } @@ -2278,7 +2277,6 @@ static enum qman_cb_dqrr_result rx_default_dqrr(struct qman_portal *portal, vaddr = phys_to_virt(addr); prefetch(vaddr + qm_fd_get_offset(fd)); - fd_format = qm_fd_get_format(fd); /* The only FD types that we may receive are contig and S/G */ WARN_ON((fd_format != qm_fd_contig) && (fd_format != qm_fd_sg)); @@ -2311,8 +2309,10 @@ static enum qman_cb_dqrr_result rx_default_dqrr(struct qman_portal *portal, skb_len = skb->len; - if (unlikely(netif_receive_skb(skb) == NET_RX_DROP)) + if (unlikely(netif_receive_skb(skb) == NET_RX_DROP)) { + percpu_stats->rx_dropped++; return qman_cb_dqrr_consume; + } percpu_stats->rx_packets++; percpu_stats->rx_bytes += skb_len; @@ -2860,7 +2860,7 @@ static int dpaa_remove(struct platform_device *pdev) struct device *dev; int err; - dev = &pdev->dev; + dev = pdev->dev.parent; net_dev = dev_get_drvdata(dev); priv = netdev_priv(net_dev); diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 7a7f3a42b2aa..d4604bc8eb5b 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3600,6 +3600,8 @@ fec_drv_remove(struct platform_device *pdev) fec_enet_mii_remove(fep); if (fep->reg_phy) regulator_disable(fep->reg_phy); + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); if (of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); of_node_put(fep->phy_node); diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c index ea43b4974149..7af31ddd093f 100644 --- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c +++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c @@ -1100,7 +1100,7 @@ int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) set_bucket(dtsec->regs, bucket, true); /* Create element to be added to the driver hash table */ - hash_entry = kmalloc(sizeof(*hash_entry), GFP_KERNEL); + hash_entry = kmalloc(sizeof(*hash_entry), GFP_ATOMIC); if (!hash_entry) return -ENOMEM; hash_entry->addr = addr; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c index 86944bc3b273..74bd260ca02a 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c @@ -666,7 +666,7 @@ static void hns_gmac_get_strings(u32 stringset, u8 *data) static int hns_gmac_get_sset_count(int stringset) { - if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS) + if (stringset == ETH_SS_STATS) return ARRAY_SIZE(g_gmac_stats_string); return 0; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c index b62816c1574e..93e71e27401b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c @@ -422,7 +422,7 @@ void hns_ppe_update_stats(struct hns_ppe_cb *ppe_cb) int hns_ppe_get_sset_count(int stringset) { - if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS) + if (stringset == ETH_SS_STATS) return ETH_PPE_STATIC_NUM; return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c index 6f3570cfb501..e2e28532e4dc 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c @@ -876,7 +876,7 @@ void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data) */ int hns_rcb_get_ring_sset_count(int stringset) { - if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS) + if (stringset == ETH_SS_STATS) return HNS_RING_STATIC_REG_NUM; return 0; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 7ea7f8a4aa2a..2e14a3ae1d8b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -993,8 +993,10 @@ int hns_get_sset_count(struct net_device *netdev, int stringset) cnt--; return cnt; - } else { + } else if (stringset == ETH_SS_STATS) { return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset)); + } else { + return -EOPNOTSUPP; } } diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h index afb7ebe20b24..824fd44e25f0 100644 --- a/drivers/net/ethernet/intel/e1000e/defines.h +++ b/drivers/net/ethernet/intel/e1000e/defines.h @@ -400,6 +400,10 @@ #define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */ #define E1000_ICR_RXO 0x00000040 /* Receiver Overrun */ #define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */ +#define E1000_ICR_MDAC 0x00000200 /* MDIO Access Complete */ +#define E1000_ICR_SRPD 0x00010000 /* Small Receive Packet Detected */ +#define E1000_ICR_ACK 0x00020000 /* Receive ACK Frame Detected */ +#define E1000_ICR_MNG 0x00040000 /* Manageability Event Detected */ #define E1000_ICR_ECCER 0x00400000 /* Uncorrectable ECC Error */ /* If this bit asserted, the driver should claim the interrupt */ #define E1000_ICR_INT_ASSERTED 0x80000000 @@ -407,7 +411,7 @@ #define E1000_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */ #define E1000_ICR_TXQ0 0x00400000 /* Tx Queue 0 Interrupt */ #define E1000_ICR_TXQ1 0x00800000 /* Tx Queue 1 Interrupt */ -#define E1000_ICR_OTHER 0x01000000 /* Other Interrupts */ +#define E1000_ICR_OTHER 0x01000000 /* Other Interrupt */ /* PBA ECC Register */ #define E1000_PBA_ECC_COUNTER_MASK 0xFFF00000 /* ECC counter mask */ @@ -431,12 +435,27 @@ E1000_IMS_RXSEQ | \ E1000_IMS_LSC) +/* These are all of the events related to the OTHER interrupt. + */ +#define IMS_OTHER_MASK ( \ + E1000_IMS_LSC | \ + E1000_IMS_RXO | \ + E1000_IMS_MDAC | \ + E1000_IMS_SRPD | \ + E1000_IMS_ACK | \ + E1000_IMS_MNG) + /* Interrupt Mask Set */ #define E1000_IMS_TXDW E1000_ICR_TXDW /* Transmit desc written back */ #define E1000_IMS_LSC E1000_ICR_LSC /* Link Status Change */ #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */ #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */ +#define E1000_IMS_RXO E1000_ICR_RXO /* Receiver Overrun */ #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* Rx timer intr */ +#define E1000_IMS_MDAC E1000_ICR_MDAC /* MDIO Access Complete */ +#define E1000_IMS_SRPD E1000_ICR_SRPD /* Small Receive Packet */ +#define E1000_IMS_ACK E1000_ICR_ACK /* Receive ACK Frame Detected */ +#define E1000_IMS_MNG E1000_ICR_MNG /* Manageability Event */ #define E1000_IMS_ECCER E1000_ICR_ECCER /* Uncorrectable ECC Error */ #define E1000_IMS_RXQ0 E1000_ICR_RXQ0 /* Rx Queue 0 Interrupt */ #define E1000_IMS_RXQ1 E1000_ICR_RXQ1 /* Rx Queue 1 Interrupt */ diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 31277d3bb7dc..1dddfb7b2de6 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1367,9 +1367,6 @@ out: * Checks to see of the link status of the hardware has changed. If a * change in link status has been detected, then we read the PHY registers * to get the current speed/duplex if link exists. - * - * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link - * up). **/ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) { @@ -1385,7 +1382,8 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) * Change or Rx Sequence Error interrupt. */ if (!mac->get_link_status) - return 1; + return 0; + mac->get_link_status = false; /* First we want to see if the MII Status Register reports * link. If so, then we want to get the current speed/duplex @@ -1393,12 +1391,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) */ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) - return ret_val; + goto out; if (hw->mac.type == e1000_pchlan) { ret_val = e1000_k1_gig_workaround_hv(hw, link); if (ret_val) - return ret_val; + goto out; } /* When connected at 10Mbps half-duplex, some parts are excessively @@ -1431,7 +1429,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) ret_val = hw->phy.ops.acquire(hw); if (ret_val) - return ret_val; + goto out; if (hw->mac.type == e1000_pch2lan) emi_addr = I82579_RX_CONFIG; @@ -1453,7 +1451,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) hw->phy.ops.release(hw); if (ret_val) - return ret_val; + goto out; if (hw->mac.type >= e1000_pch_spt) { u16 data; @@ -1462,14 +1460,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (speed == SPEED_1000) { ret_val = hw->phy.ops.acquire(hw); if (ret_val) - return ret_val; + goto out; ret_val = e1e_rphy_locked(hw, PHY_REG(776, 20), &data); if (ret_val) { hw->phy.ops.release(hw); - return ret_val; + goto out; } ptr_gap = (data & (0x3FF << 2)) >> 2; @@ -1483,18 +1481,18 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) } hw->phy.ops.release(hw); if (ret_val) - return ret_val; + goto out; } else { ret_val = hw->phy.ops.acquire(hw); if (ret_val) - return ret_val; + goto out; ret_val = e1e_wphy_locked(hw, PHY_REG(776, 20), 0xC023); hw->phy.ops.release(hw); if (ret_val) - return ret_val; + goto out; } } @@ -1521,7 +1519,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) { ret_val = e1000_k1_workaround_lpt_lp(hw, link); if (ret_val) - return ret_val; + goto out; } if (hw->mac.type >= e1000_pch_lpt) { /* Set platform power management values for @@ -1529,7 +1527,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) */ ret_val = e1000_platform_pm_pch_lpt(hw, link); if (ret_val) - return ret_val; + goto out; } /* Clear link partner's EEE ability */ @@ -1552,9 +1550,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) } if (!link) - return 0; /* No link detected */ - - mac->get_link_status = false; + goto out; switch (hw->mac.type) { case e1000_pch2lan: @@ -1616,12 +1612,14 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) * different link partner. */ ret_val = e1000e_config_fc_after_link_up(hw); - if (ret_val) { + if (ret_val) e_dbg("Error configuring flow control\n"); - return ret_val; - } - return 1; + return ret_val; + +out: + mac->get_link_status = true; + return ret_val; } static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c index f457c5703d0c..5bdc3a2d4fd7 100644 --- a/drivers/net/ethernet/intel/e1000e/mac.c +++ b/drivers/net/ethernet/intel/e1000e/mac.c @@ -410,9 +410,6 @@ void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw) * Checks to see of the link status of the hardware has changed. If a * change in link status has been detected, then we read the PHY registers * to get the current speed/duplex if link exists. - * - * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link - * up). **/ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) { @@ -426,20 +423,16 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) * Change or Rx Sequence Error interrupt. */ if (!mac->get_link_status) - return 1; + return 0; + mac->get_link_status = false; /* First we want to see if the MII Status Register reports * link. If so, then we want to get the current speed/duplex * of the PHY. */ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); - if (ret_val) - return ret_val; - - if (!link) - return 0; /* No link detected */ - - mac->get_link_status = false; + if (ret_val || !link) + goto out; /* Check if there was DownShift, must be checked * immediately after link-up @@ -464,12 +457,14 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw) * different link partner. */ ret_val = e1000e_config_fc_after_link_up(hw); - if (ret_val) { + if (ret_val) e_dbg("Error configuring flow control\n"); - return ret_val; - } - return 1; + return ret_val; + +out: + mac->get_link_status = true; + return ret_val; } /** diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 1298b69f990b..dc853b0863af 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -1914,30 +1914,20 @@ static irqreturn_t e1000_msix_other(int __always_unused irq, void *data) struct net_device *netdev = data; struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 icr; - bool enable = true; - - icr = er32(ICR); - if (icr & E1000_ICR_RXO) { - ew32(ICR, E1000_ICR_RXO); - enable = false; - /* napi poll will re-enable Other, make sure it runs */ - if (napi_schedule_prep(&adapter->napi)) { - adapter->total_rx_bytes = 0; - adapter->total_rx_packets = 0; - __napi_schedule(&adapter->napi); - } - } + u32 icr = er32(ICR); + + if (icr & adapter->eiac_mask) + ew32(ICS, (icr & adapter->eiac_mask)); + if (icr & E1000_ICR_LSC) { - ew32(ICR, E1000_ICR_LSC); hw->mac.get_link_status = true; /* guard against interrupt when we're going down */ if (!test_bit(__E1000_DOWN, &adapter->state)) mod_timer(&adapter->watchdog_timer, jiffies + 1); } - if (enable && !test_bit(__E1000_DOWN, &adapter->state)) - ew32(IMS, E1000_IMS_OTHER); + if (!test_bit(__E1000_DOWN, &adapter->state)) + ew32(IMS, E1000_IMS_OTHER | IMS_OTHER_MASK); return IRQ_HANDLED; } @@ -2040,7 +2030,6 @@ static void e1000_configure_msix(struct e1000_adapter *adapter) hw->hw_addr + E1000_EITR_82574(vector)); else writel(1, hw->hw_addr + E1000_EITR_82574(vector)); - adapter->eiac_mask |= E1000_IMS_OTHER; /* Cause Tx interrupts on every write back */ ivar |= BIT(31); @@ -2265,7 +2254,8 @@ static void e1000_irq_enable(struct e1000_adapter *adapter) if (adapter->msix_entries) { ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574); - ew32(IMS, adapter->eiac_mask | E1000_IMS_LSC); + ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | + IMS_OTHER_MASK); } else if (hw->mac.type >= e1000_pch_lpt) { ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER); } else { @@ -2333,8 +2323,8 @@ static int e1000_alloc_ring_dma(struct e1000_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; - ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma, - GFP_KERNEL); + ring->desc = dma_zalloc_coherent(&pdev->dev, ring->size, &ring->dma, + GFP_KERNEL); if (!ring->desc) return -ENOMEM; @@ -2707,8 +2697,7 @@ static int e1000e_poll(struct napi_struct *napi, int weight) napi_complete_done(napi, work_done); if (!test_bit(__E1000_DOWN, &adapter->state)) { if (adapter->msix_entries) - ew32(IMS, adapter->rx_ring->ims_val | - E1000_IMS_OTHER); + ew32(IMS, adapter->rx_ring->ims_val); else e1000_irq_enable(adapter); } @@ -5101,7 +5090,7 @@ static bool e1000e_has_link(struct e1000_adapter *adapter) case e1000_media_type_copper: if (hw->mac.get_link_status) { ret_val = hw->mac.ops.check_for_link(hw); - link_active = ret_val > 0; + link_active = !hw->mac.get_link_status; } else { link_active = true; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c index b698fb481b2e..996dc099cd58 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c @@ -443,6 +443,17 @@ int mlxsw_afa_block_jump(struct mlxsw_afa_block *block, u16 group_id) } EXPORT_SYMBOL(mlxsw_afa_block_jump); +int mlxsw_afa_block_terminate(struct mlxsw_afa_block *block) +{ + if (block->finished) + return -EINVAL; + mlxsw_afa_set_goto_set(block->cur_set, + MLXSW_AFA_SET_GOTO_BINDING_CMD_TERM, 0); + block->finished = true; + return 0; +} +EXPORT_SYMBOL(mlxsw_afa_block_terminate); + static struct mlxsw_afa_fwd_entry * mlxsw_afa_fwd_entry_create(struct mlxsw_afa *mlxsw_afa, u8 local_port) { diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h index 43132293475c..b91f2b0829b0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h @@ -65,6 +65,7 @@ char *mlxsw_afa_block_first_set(struct mlxsw_afa_block *block); u32 mlxsw_afa_block_first_set_kvdl_index(struct mlxsw_afa_block *block); int mlxsw_afa_block_continue(struct mlxsw_afa_block *block); int mlxsw_afa_block_jump(struct mlxsw_afa_block *block, u16 group_id); +int mlxsw_afa_block_terminate(struct mlxsw_afa_block *block); int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block); int mlxsw_afa_block_append_trap(struct mlxsw_afa_block *block, u16 trap_id); int mlxsw_afa_block_append_trap_and_forward(struct mlxsw_afa_block *block, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index c7e941aecc2a..bf400c75fcc8 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -655,13 +655,17 @@ static int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu) } static struct mlxsw_sp_span_inspected_port * -mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_port *port, - struct mlxsw_sp_span_entry *span_entry) +mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_span_entry *span_entry, + enum mlxsw_sp_span_type type, + struct mlxsw_sp_port *port, + bool bind) { struct mlxsw_sp_span_inspected_port *p; list_for_each_entry(p, &span_entry->bound_ports_list, list) - if (port->local_port == p->local_port) + if (type == p->type && + port->local_port == p->local_port && + bind == p->bound) return p; return NULL; } @@ -691,8 +695,22 @@ mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port, struct mlxsw_sp_span_inspected_port *inspected_port; struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; char sbib_pl[MLXSW_REG_SBIB_LEN]; + int i; int err; + /* A given (source port, direction) can only be bound to one analyzer, + * so if a binding is requested, check for conflicts. + */ + if (bind) + for (i = 0; i < mlxsw_sp->span.entries_count; i++) { + struct mlxsw_sp_span_entry *curr = + &mlxsw_sp->span.entries[i]; + + if (mlxsw_sp_span_entry_bound_port_find(curr, type, + port, bind)) + return -EEXIST; + } + /* if it is an egress SPAN, bind a shared buffer to it */ if (type == MLXSW_SP_SPAN_EGRESS) { u32 buffsize = mlxsw_sp_span_mtu_to_buffsize(mlxsw_sp, @@ -720,6 +738,7 @@ mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port, } inspected_port->local_port = port->local_port; inspected_port->type = type; + inspected_port->bound = bind; list_add_tail(&inspected_port->list, &span_entry->bound_ports_list); return 0; @@ -746,7 +765,8 @@ mlxsw_sp_span_inspected_port_del(struct mlxsw_sp_port *port, struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp; char sbib_pl[MLXSW_REG_SBIB_LEN]; - inspected_port = mlxsw_sp_span_entry_bound_port_find(port, span_entry); + inspected_port = mlxsw_sp_span_entry_bound_port_find(span_entry, type, + port, bind); if (!inspected_port) return; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 4ec1ca3c96c8..92064db2ae44 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -120,6 +120,9 @@ struct mlxsw_sp_span_inspected_port { struct list_head list; enum mlxsw_sp_span_type type; u8 local_port; + + /* Whether this is a directly bound mirror (port-to-port) or an ACL. */ + bool bound; }; struct mlxsw_sp_span_entry { @@ -553,6 +556,7 @@ void mlxsw_sp_acl_rulei_keymask_buf(struct mlxsw_sp_acl_rule_info *rulei, int mlxsw_sp_acl_rulei_act_continue(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei, u16 group_id); +int mlxsw_sp_acl_rulei_act_terminate(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_trap(struct mlxsw_sp_acl_rule_info *rulei); int mlxsw_sp_acl_rulei_act_mirror(struct mlxsw_sp *mlxsw_sp, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c index 0897a5435cc2..92d90ed7207e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c @@ -528,6 +528,11 @@ int mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei, return mlxsw_afa_block_jump(rulei->act_block, group_id); } +int mlxsw_sp_acl_rulei_act_terminate(struct mlxsw_sp_acl_rule_info *rulei) +{ + return mlxsw_afa_block_terminate(rulei->act_block); +} + int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei) { return mlxsw_afa_block_append_drop(rulei->act_block); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c index 93728c694e6d..0a9adc5962fb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c @@ -385,13 +385,13 @@ static const struct mlxsw_sp_sb_cm mlxsw_sp_sb_cms_egress[] = { static const struct mlxsw_sp_sb_cm mlxsw_sp_cpu_port_sb_cms[] = { MLXSW_SP_CPU_PORT_SB_CM, + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_CPU_PORT_SB_CM, - MLXSW_SP_SB_CM(10000, 0, 0), + MLXSW_SP_SB_CM(MLXSW_PORT_MAX_MTU, 0, 0), MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, MLXSW_SP_CPU_PORT_SB_CM, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index 6ce00e28d4ea..89dbf569dff5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -65,7 +65,7 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp, tcf_exts_to_list(exts, &actions); list_for_each_entry(a, &actions, list) { if (is_tcf_gact_ok(a)) { - err = mlxsw_sp_acl_rulei_act_continue(rulei); + err = mlxsw_sp_acl_rulei_act_terminate(rulei); if (err) return err; } else if (is_tcf_gact_shot(a)) { diff --git a/drivers/net/ethernet/natsemi/Kconfig b/drivers/net/ethernet/natsemi/Kconfig index a10ef50e4f12..017fb2322589 100644 --- a/drivers/net/ethernet/natsemi/Kconfig +++ b/drivers/net/ethernet/natsemi/Kconfig @@ -1,16 +1,16 @@ # -# National Semi-conductor device configuration +# National Semiconductor device configuration # config NET_VENDOR_NATSEMI - bool "National Semi-conductor devices" + bool "National Semiconductor devices" default y ---help--- If you have a network (Ethernet) card belonging to this class, say Y. Note that the answer to this question doesn't directly affect the kernel: saying N will just cause the configurator to skip all - the questions about National Semi-conductor devices. If you say Y, + the questions about National Semiconductor devices. If you say Y, you will be asked for your specific card in the following questions. if NET_VENDOR_NATSEMI diff --git a/drivers/net/ethernet/natsemi/Makefile b/drivers/net/ethernet/natsemi/Makefile index cc664977596e..a759aa09ef59 100644 --- a/drivers/net/ethernet/natsemi/Makefile +++ b/drivers/net/ethernet/natsemi/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 # -# Makefile for the National Semi-conductor Sonic devices. +# Makefile for the National Semiconductor Sonic devices. # obj-$(CONFIG_MACSONIC) += macsonic.o diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 6f546e869d8d..00f41c145d4d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -2480,7 +2480,10 @@ int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto) if (rc) return rc; - /* Free Task CXT */ + /* Free Task CXT ( Intentionally RoCE as task-id is shared between + * RoCE and iWARP ) + */ + proto = PROTOCOLID_ROCE; rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_TASK, 0, qed_cxt_get_proto_tid_count(p_hwfn, proto)); if (rc) diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index ca4a81dc1ace..d5d02be72947 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -1703,6 +1703,13 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, iph = (struct iphdr *)((u8 *)(ethh) + eth_hlen); if (eth_type == ETH_P_IP) { + if (iph->protocol != IPPROTO_TCP) { + DP_NOTICE(p_hwfn, + "Unexpected ip protocol on ll2 %x\n", + iph->protocol); + return -EINVAL; + } + cm_info->local_ip[0] = ntohl(iph->daddr); cm_info->remote_ip[0] = ntohl(iph->saddr); cm_info->ip_version = TCP_IPV4; @@ -1711,6 +1718,14 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, *payload_len = ntohs(iph->tot_len) - ip_hlen; } else if (eth_type == ETH_P_IPV6) { ip6h = (struct ipv6hdr *)iph; + + if (ip6h->nexthdr != IPPROTO_TCP) { + DP_NOTICE(p_hwfn, + "Unexpected ip protocol on ll2 %x\n", + iph->protocol); + return -EINVAL; + } + for (i = 0; i < 4; i++) { cm_info->local_ip[i] = ntohl(ip6h->daddr.in6_u.u6_addr32[i]); @@ -1928,8 +1943,8 @@ qed_iwarp_update_fpdu_length(struct qed_hwfn *p_hwfn, /* Missing lower byte is now available */ mpa_len = fpdu->fpdu_length | *mpa_data; fpdu->fpdu_length = QED_IWARP_FPDU_LEN_WITH_PAD(mpa_len); - fpdu->mpa_frag_len = fpdu->fpdu_length; /* one byte of hdr */ + fpdu->mpa_frag_len = 1; fpdu->incomplete_bytes = fpdu->fpdu_length - 1; DP_VERBOSE(p_hwfn, QED_MSG_RDMA, diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 5d040b873137..a411f9c702a1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c @@ -379,6 +379,7 @@ static void qed_rdma_free(struct qed_hwfn *p_hwfn) DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Freeing RDMA\n"); qed_rdma_free_reserved_lkey(p_hwfn); + qed_cxt_free_proto_ilt(p_hwfn, p_hwfn->p_rdma_info->proto); qed_rdma_resc_free(p_hwfn); } diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 2db70eabddfe..a01e7d6e5442 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -288,7 +288,7 @@ int __init qede_init(void) } /* Must register notifier before pci ops, since we might miss - * interface rename after pci probe and netdev registeration. + * interface rename after pci probe and netdev registration. */ ret = register_netdevice_notifier(&qede_netdev_notifier); if (ret) { @@ -988,7 +988,7 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, if (rc) goto err3; - /* Prepare the lock prior to the registeration of the netdev, + /* Prepare the lock prior to the registration of the netdev, * as once it's registered we might reach flows requiring it * [it's even possible to reach a flow needing it directly * from there, although it's unlikely]. @@ -2067,8 +2067,6 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, link_params.link_up = true; edev->ops->common->set_link(edev->cdev, &link_params); - qede_rdma_dev_event_open(edev); - edev->state = QEDE_STATE_OPEN; DP_INFO(edev, "Ending successfully qede load\n"); @@ -2169,12 +2167,14 @@ static void qede_link_update(void *dev, struct qed_link_output *link) DP_NOTICE(edev, "Link is up\n"); netif_tx_start_all_queues(edev->ndev); netif_carrier_on(edev->ndev); + qede_rdma_dev_event_open(edev); } } else { if (netif_carrier_ok(edev->ndev)) { DP_NOTICE(edev, "Link is down\n"); netif_tx_disable(edev->ndev); netif_carrier_off(edev->ndev); + qede_rdma_dev_event_close(edev); } } } diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.c b/drivers/net/ethernet/qlogic/qede/qede_ptp.c index 9b2280badaf7..02adb513f475 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ptp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.c @@ -485,7 +485,7 @@ int qede_ptp_enable(struct qede_dev *edev, bool init_tc) ptp->clock = ptp_clock_register(&ptp->clock_info, &edev->pdev->dev); if (IS_ERR(ptp->clock)) { rc = -EINVAL; - DP_ERR(edev, "PTP clock registeration failed\n"); + DP_ERR(edev, "PTP clock registration failed\n"); goto err2; } diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c index 9cbb27263742..d5a32b7c7dc5 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c @@ -1194,9 +1194,9 @@ void emac_mac_tx_process(struct emac_adapter *adpt, struct emac_tx_queue *tx_q) while (tx_q->tpd.consume_idx != hw_consume_idx) { tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.consume_idx); if (tpbuf->dma_addr) { - dma_unmap_single(adpt->netdev->dev.parent, - tpbuf->dma_addr, tpbuf->length, - DMA_TO_DEVICE); + dma_unmap_page(adpt->netdev->dev.parent, + tpbuf->dma_addr, tpbuf->length, + DMA_TO_DEVICE); tpbuf->dma_addr = 0; } @@ -1353,9 +1353,11 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt, tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx); tpbuf->length = mapped_len; - tpbuf->dma_addr = dma_map_single(adpt->netdev->dev.parent, - skb->data, tpbuf->length, - DMA_TO_DEVICE); + tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent, + virt_to_page(skb->data), + offset_in_page(skb->data), + tpbuf->length, + DMA_TO_DEVICE); ret = dma_mapping_error(adpt->netdev->dev.parent, tpbuf->dma_addr); if (ret) @@ -1371,9 +1373,12 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt, if (mapped_len < len) { tpbuf = GET_TPD_BUFFER(tx_q, tx_q->tpd.produce_idx); tpbuf->length = len - mapped_len; - tpbuf->dma_addr = dma_map_single(adpt->netdev->dev.parent, - skb->data + mapped_len, - tpbuf->length, DMA_TO_DEVICE); + tpbuf->dma_addr = dma_map_page(adpt->netdev->dev.parent, + virt_to_page(skb->data + + mapped_len), + offset_in_page(skb->data + + mapped_len), + tpbuf->length, DMA_TO_DEVICE); ret = dma_mapping_error(adpt->netdev->dev.parent, tpbuf->dma_addr); if (ret) diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 012fb66eed8d..f0afb88d7bc2 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -2335,14 +2335,14 @@ static int smsc911x_drv_remove(struct platform_device *pdev) pdata = netdev_priv(dev); BUG_ON(!pdata); BUG_ON(!pdata->ioaddr); - WARN_ON(dev->phydev); SMSC_TRACE(pdata, ifdown, "Stopping driver"); + unregister_netdev(dev); + mdiobus_unregister(pdata->mii_bus); mdiobus_free(pdata->mii_bus); - unregister_netdev(dev); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smsc911x-memory"); if (!res) diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c index 111e7ca9df56..f5c5984afefb 100644 --- a/drivers/net/ethernet/socionext/sni_ave.c +++ b/drivers/net/ethernet/socionext/sni_ave.c @@ -1295,7 +1295,7 @@ static int ave_open(struct net_device *ndev) val |= AVE_IIRQC_EN0 | (AVE_INTM_COUNT << 16); writel(val, priv->base + AVE_IIRQC); - val = AVE_GI_RXIINT | AVE_GI_RXOVF | AVE_GI_TX; + val = AVE_GI_RXIINT | AVE_GI_RXOVF | AVE_GI_TX | AVE_GI_RXDROP; ave_irq_restore(ndev, val); napi_enable(&priv->napi_rx); diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c index 63d3d6b215f3..a94f50442613 100644 --- a/drivers/net/ethernet/sun/sunvnet.c +++ b/drivers/net/ethernet/sun/sunvnet.c @@ -312,7 +312,7 @@ static struct vnet *vnet_new(const u64 *local_mac, dev->ethtool_ops = &vnet_ethtool_ops; dev->watchdog_timeo = VNET_TX_TIMEOUT; - dev->hw_features = NETIF_F_TSO | NETIF_F_GSO | NETIF_F_GSO_SOFTWARE | + dev->hw_features = NETIF_F_TSO | NETIF_F_GSO | NETIF_F_ALL_TSO | NETIF_F_HW_CSUM | NETIF_F_SG; dev->features = dev->hw_features; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 1b1b78fdc138..b2b30c9df037 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1014,7 +1014,8 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave, /* set speed_in input in case RMII mode is used in 100Mbps */ if (phy->speed == 100) mac_control |= BIT(15); - else if (phy->speed == 10) + /* in band mode only works in 10Mbps RGMII mode */ + else if ((phy->speed == 10) && phy_interface_is_rgmii(phy)) mac_control |= BIT(18); /* In Band mode */ if (priv->rx_pause) diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 0db3bd1ea06f..32861036c3fc 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -173,6 +173,7 @@ struct rndis_device { struct list_head req_list; struct work_struct mcast_work; + u32 filter; bool link_state; /* 0 - link up, 1 - link down */ @@ -211,7 +212,6 @@ void netvsc_channel_cb(void *context); int netvsc_poll(struct napi_struct *napi, int budget); void rndis_set_subchannel(struct work_struct *w); -bool rndis_filter_opened(const struct netvsc_device *nvdev); int rndis_filter_open(struct netvsc_device *nvdev); int rndis_filter_close(struct netvsc_device *nvdev); struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 0265d703eb03..7472172823f3 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -90,6 +90,11 @@ static void free_netvsc_device(struct rcu_head *head) = container_of(head, struct netvsc_device, rcu); int i; + kfree(nvdev->extension); + vfree(nvdev->recv_buf); + vfree(nvdev->send_buf); + kfree(nvdev->send_section_map); + for (i = 0; i < VRSS_CHANNEL_MAX; i++) vfree(nvdev->chan_table[i].mrc.slots); @@ -211,12 +216,6 @@ static void netvsc_teardown_gpadl(struct hv_device *device, net_device->recv_buf_gpadl_handle = 0; } - if (net_device->recv_buf) { - /* Free up the receive buffer */ - vfree(net_device->recv_buf); - net_device->recv_buf = NULL; - } - if (net_device->send_buf_gpadl_handle) { ret = vmbus_teardown_gpadl(device->channel, net_device->send_buf_gpadl_handle); @@ -231,12 +230,6 @@ static void netvsc_teardown_gpadl(struct hv_device *device, } net_device->send_buf_gpadl_handle = 0; } - if (net_device->send_buf) { - /* Free up the send buffer */ - vfree(net_device->send_buf); - net_device->send_buf = NULL; - } - kfree(net_device->send_section_map); } int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx) @@ -562,26 +555,29 @@ void netvsc_device_remove(struct hv_device *device) = rtnl_dereference(net_device_ctx->nvdev); int i; - cancel_work_sync(&net_device->subchan_work); - netvsc_revoke_buf(device, net_device); RCU_INIT_POINTER(net_device_ctx->nvdev, NULL); + /* And disassociate NAPI context from device */ + for (i = 0; i < net_device->num_chn; i++) + netif_napi_del(&net_device->chan_table[i].napi); + /* * At this point, no one should be accessing net_device * except in here */ netdev_dbg(ndev, "net device safe to remove\n"); + /* older versions require that buffer be revoked before close */ + if (net_device->nvsp_version < NVSP_PROTOCOL_VERSION_4) + netvsc_teardown_gpadl(device, net_device); + /* Now, we can close the channel safely */ vmbus_close(device->channel); - netvsc_teardown_gpadl(device, net_device); - - /* And dissassociate NAPI context from device */ - for (i = 0; i < net_device->num_chn; i++) - netif_napi_del(&net_device->chan_table[i].napi); + if (net_device->nvsp_version >= NVSP_PROTOCOL_VERSION_4) + netvsc_teardown_gpadl(device, net_device); /* Release all resources */ free_netvsc_device_rcu(net_device); @@ -645,14 +641,18 @@ static void netvsc_send_tx_complete(struct netvsc_device *net_device, queue_sends = atomic_dec_return(&net_device->chan_table[q_idx].queue_sends); - if (net_device->destroy && queue_sends == 0) - wake_up(&net_device->wait_drain); + if (unlikely(net_device->destroy)) { + if (queue_sends == 0) + wake_up(&net_device->wait_drain); + } else { + struct netdev_queue *txq = netdev_get_tx_queue(ndev, q_idx); - if (netif_tx_queue_stopped(netdev_get_tx_queue(ndev, q_idx)) && - (hv_ringbuf_avail_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || - queue_sends < 1)) { - netif_tx_wake_queue(netdev_get_tx_queue(ndev, q_idx)); - ndev_ctx->eth_stats.wake_queue++; + if (netif_tx_queue_stopped(txq) && + (hv_ringbuf_avail_percent(&channel->outbound) > RING_AVAIL_PERCENT_HIWATER || + queue_sends < 1)) { + netif_tx_wake_queue(txq); + ndev_ctx->eth_stats.wake_queue++; + } } } diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index cdb78eefab67..f28c85d212ce 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -46,7 +46,10 @@ #include "hyperv_net.h" -#define RING_SIZE_MIN 64 +#define RING_SIZE_MIN 64 +#define RETRY_US_LO 5000 +#define RETRY_US_HI 10000 +#define RETRY_MAX 2000 /* >10 sec */ #define LINKCHANGE_INT (2 * HZ) #define VF_TAKEOVER_INT (HZ / 10) @@ -89,15 +92,20 @@ static void netvsc_change_rx_flags(struct net_device *net, int change) static void netvsc_set_rx_mode(struct net_device *net) { struct net_device_context *ndev_ctx = netdev_priv(net); - struct net_device *vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); - struct netvsc_device *nvdev = rtnl_dereference(ndev_ctx->nvdev); + struct net_device *vf_netdev; + struct netvsc_device *nvdev; + rcu_read_lock(); + vf_netdev = rcu_dereference(ndev_ctx->vf_netdev); if (vf_netdev) { dev_uc_sync(vf_netdev, net); dev_mc_sync(vf_netdev, net); } - rndis_filter_update(nvdev); + nvdev = rcu_dereference(ndev_ctx->nvdev); + if (nvdev) + rndis_filter_update(nvdev); + rcu_read_unlock(); } static int netvsc_open(struct net_device *net) @@ -118,10 +126,8 @@ static int netvsc_open(struct net_device *net) } rdev = nvdev->extension; - if (!rdev->link_state) { + if (!rdev->link_state) netif_carrier_on(net); - netif_tx_wake_all_queues(net); - } if (vf_netdev) { /* Setting synthetic device up transparently sets @@ -137,36 +143,25 @@ static int netvsc_open(struct net_device *net) return 0; } -static int netvsc_close(struct net_device *net) +static int netvsc_wait_until_empty(struct netvsc_device *nvdev) { - struct net_device_context *net_device_ctx = netdev_priv(net); - struct net_device *vf_netdev - = rtnl_dereference(net_device_ctx->vf_netdev); - struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); - int ret = 0; - u32 aread, i, msec = 10, retry = 0, retry_max = 20; - struct vmbus_channel *chn; - - netif_tx_disable(net); - - /* No need to close rndis filter if it is removed already */ - if (!nvdev) - goto out; - - ret = rndis_filter_close(nvdev); - if (ret != 0) { - netdev_err(net, "unable to close device (ret %d).\n", ret); - return ret; - } + unsigned int retry = 0; + int i; /* Ensure pending bytes in ring are read */ - while (true) { - aread = 0; + for (;;) { + u32 aread = 0; + for (i = 0; i < nvdev->num_chn; i++) { - chn = nvdev->chan_table[i].channel; + struct vmbus_channel *chn + = nvdev->chan_table[i].channel; + if (!chn) continue; + /* make sure receive not running now */ + napi_synchronize(&nvdev->chan_table[i].napi); + aread = hv_get_bytes_to_read(&chn->inbound); if (aread) break; @@ -176,22 +171,40 @@ static int netvsc_close(struct net_device *net) break; } - retry++; - if (retry > retry_max || aread == 0) - break; + if (aread == 0) + return 0; - msleep(msec); + if (++retry > RETRY_MAX) + return -ETIMEDOUT; - if (msec < 1000) - msec *= 2; + usleep_range(RETRY_US_LO, RETRY_US_HI); } +} - if (aread) { - netdev_err(net, "Ring buffer not empty after closing rndis\n"); - ret = -ETIMEDOUT; +static int netvsc_close(struct net_device *net) +{ + struct net_device_context *net_device_ctx = netdev_priv(net); + struct net_device *vf_netdev + = rtnl_dereference(net_device_ctx->vf_netdev); + struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); + int ret; + + netif_tx_disable(net); + + /* No need to close rndis filter if it is removed already */ + if (!nvdev) + return 0; + + ret = rndis_filter_close(nvdev); + if (ret != 0) { + netdev_err(net, "unable to close device (ret %d).\n", ret); + return ret; } -out: + ret = netvsc_wait_until_empty(nvdev); + if (ret) + netdev_err(net, "Ring buffer not empty after closing rndis\n"); + if (vf_netdev) dev_close(vf_netdev); @@ -840,16 +853,81 @@ static void netvsc_get_channels(struct net_device *net, } } +static int netvsc_detach(struct net_device *ndev, + struct netvsc_device *nvdev) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + struct hv_device *hdev = ndev_ctx->device_ctx; + int ret; + + /* Don't try continuing to try and setup sub channels */ + if (cancel_work_sync(&nvdev->subchan_work)) + nvdev->num_chn = 1; + + /* If device was up (receiving) then shutdown */ + if (netif_running(ndev)) { + netif_tx_disable(ndev); + + ret = rndis_filter_close(nvdev); + if (ret) { + netdev_err(ndev, + "unable to close device (ret %d).\n", ret); + return ret; + } + + ret = netvsc_wait_until_empty(nvdev); + if (ret) { + netdev_err(ndev, + "Ring buffer not empty after closing rndis\n"); + return ret; + } + } + + netif_device_detach(ndev); + + rndis_filter_device_remove(hdev, nvdev); + + return 0; +} + +static int netvsc_attach(struct net_device *ndev, + struct netvsc_device_info *dev_info) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + struct hv_device *hdev = ndev_ctx->device_ctx; + struct netvsc_device *nvdev; + struct rndis_device *rdev; + int ret; + + nvdev = rndis_filter_device_add(hdev, dev_info); + if (IS_ERR(nvdev)) + return PTR_ERR(nvdev); + + /* Note: enable and attach happen when sub-channels setup */ + + netif_carrier_off(ndev); + + if (netif_running(ndev)) { + ret = rndis_filter_open(nvdev); + if (ret) + return ret; + + rdev = nvdev->extension; + if (!rdev->link_state) + netif_carrier_on(ndev); + } + + return 0; +} + static int netvsc_set_channels(struct net_device *net, struct ethtool_channels *channels) { struct net_device_context *net_device_ctx = netdev_priv(net); - struct hv_device *dev = net_device_ctx->device_ctx; struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); unsigned int orig, count = channels->combined_count; struct netvsc_device_info device_info; - bool was_opened; - int ret = 0; + int ret; /* We do not support separate count for rx, tx, or other */ if (count == 0 || @@ -866,9 +944,6 @@ static int netvsc_set_channels(struct net_device *net, return -EINVAL; orig = nvdev->num_chn; - was_opened = rndis_filter_opened(nvdev); - if (was_opened) - rndis_filter_close(nvdev); memset(&device_info, 0, sizeof(device_info)); device_info.num_chn = count; @@ -877,28 +952,17 @@ static int netvsc_set_channels(struct net_device *net, device_info.recv_sections = nvdev->recv_section_cnt; device_info.recv_section_size = nvdev->recv_section_size; - rndis_filter_device_remove(dev, nvdev); + ret = netvsc_detach(net, nvdev); + if (ret) + return ret; - nvdev = rndis_filter_device_add(dev, &device_info); - if (IS_ERR(nvdev)) { - ret = PTR_ERR(nvdev); + ret = netvsc_attach(net, &device_info); + if (ret) { device_info.num_chn = orig; - nvdev = rndis_filter_device_add(dev, &device_info); - - if (IS_ERR(nvdev)) { - netdev_err(net, "restoring channel setting failed: %ld\n", - PTR_ERR(nvdev)); - return ret; - } + if (netvsc_attach(net, &device_info)) + netdev_err(net, "restoring channel setting failed\n"); } - if (was_opened) - rndis_filter_open(nvdev); - - /* We may have missed link change notifications */ - net_device_ctx->last_reconfig = 0; - schedule_delayed_work(&net_device_ctx->dwork, 0); - return ret; } @@ -964,10 +1028,8 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) struct net_device_context *ndevctx = netdev_priv(ndev); struct net_device *vf_netdev = rtnl_dereference(ndevctx->vf_netdev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); - struct hv_device *hdev = ndevctx->device_ctx; int orig_mtu = ndev->mtu; struct netvsc_device_info device_info; - bool was_opened; int ret = 0; if (!nvdev || nvdev->destroy) @@ -980,11 +1042,6 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) return ret; } - netif_device_detach(ndev); - was_opened = rndis_filter_opened(nvdev); - if (was_opened) - rndis_filter_close(nvdev); - memset(&device_info, 0, sizeof(device_info)); device_info.num_chn = nvdev->num_chn; device_info.send_sections = nvdev->send_section_cnt; @@ -992,35 +1049,27 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) device_info.recv_sections = nvdev->recv_section_cnt; device_info.recv_section_size = nvdev->recv_section_size; - rndis_filter_device_remove(hdev, nvdev); + ret = netvsc_detach(ndev, nvdev); + if (ret) + goto rollback_vf; ndev->mtu = mtu; - nvdev = rndis_filter_device_add(hdev, &device_info); - if (IS_ERR(nvdev)) { - ret = PTR_ERR(nvdev); - - /* Attempt rollback to original MTU */ - ndev->mtu = orig_mtu; - nvdev = rndis_filter_device_add(hdev, &device_info); - - if (vf_netdev) - dev_set_mtu(vf_netdev, orig_mtu); - - if (IS_ERR(nvdev)) { - netdev_err(ndev, "restoring mtu failed: %ld\n", - PTR_ERR(nvdev)); - return ret; - } - } + ret = netvsc_attach(ndev, &device_info); + if (ret) + goto rollback; - if (was_opened) - rndis_filter_open(nvdev); + return 0; - netif_device_attach(ndev); +rollback: + /* Attempt rollback to original MTU */ + ndev->mtu = orig_mtu; - /* We may have missed link change notifications */ - schedule_delayed_work(&ndevctx->dwork, 0); + if (netvsc_attach(ndev, &device_info)) + netdev_err(ndev, "restoring mtu failed\n"); +rollback_vf: + if (vf_netdev) + dev_set_mtu(vf_netdev, orig_mtu); return ret; } @@ -1526,11 +1575,9 @@ static int netvsc_set_ringparam(struct net_device *ndev, { struct net_device_context *ndevctx = netdev_priv(ndev); struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); - struct hv_device *hdev = ndevctx->device_ctx; struct netvsc_device_info device_info; struct ethtool_ringparam orig; u32 new_tx, new_rx; - bool was_opened; int ret = 0; if (!nvdev || nvdev->destroy) @@ -1555,34 +1602,18 @@ static int netvsc_set_ringparam(struct net_device *ndev, device_info.recv_sections = new_rx; device_info.recv_section_size = nvdev->recv_section_size; - netif_device_detach(ndev); - was_opened = rndis_filter_opened(nvdev); - if (was_opened) - rndis_filter_close(nvdev); - - rndis_filter_device_remove(hdev, nvdev); - - nvdev = rndis_filter_device_add(hdev, &device_info); - if (IS_ERR(nvdev)) { - ret = PTR_ERR(nvdev); + ret = netvsc_detach(ndev, nvdev); + if (ret) + return ret; + ret = netvsc_attach(ndev, &device_info); + if (ret) { device_info.send_sections = orig.tx_pending; device_info.recv_sections = orig.rx_pending; - nvdev = rndis_filter_device_add(hdev, &device_info); - if (IS_ERR(nvdev)) { - netdev_err(ndev, "restoring ringparam failed: %ld\n", - PTR_ERR(nvdev)); - return ret; - } - } - - if (was_opened) - rndis_filter_open(nvdev); - netif_device_attach(ndev); - /* We may have missed link change notifications */ - ndevctx->last_reconfig = 0; - schedule_delayed_work(&ndevctx->dwork, 0); + if (netvsc_attach(ndev, &device_info)) + netdev_err(ndev, "restoring ringparam failed"); + } return ret; } @@ -1846,8 +1877,12 @@ static void __netvsc_vf_setup(struct net_device *ndev, /* set multicast etc flags on VF */ dev_change_flags(vf_netdev, ndev->flags | IFF_SLAVE); + + /* sync address list from ndev to VF */ + netif_addr_lock_bh(ndev); dev_uc_sync(vf_netdev, ndev); dev_mc_sync(vf_netdev, ndev); + netif_addr_unlock_bh(ndev); if (netif_running(ndev)) { ret = dev_open(vf_netdev); @@ -2063,8 +2098,8 @@ no_net: static int netvsc_remove(struct hv_device *dev) { struct net_device_context *ndev_ctx; - struct net_device *vf_netdev; - struct net_device *net; + struct net_device *vf_netdev, *net; + struct netvsc_device *nvdev; net = hv_get_drvdata(dev); if (net == NULL) { @@ -2074,10 +2109,14 @@ static int netvsc_remove(struct hv_device *dev) ndev_ctx = netdev_priv(net); - netif_device_detach(net); - cancel_delayed_work_sync(&ndev_ctx->dwork); + rcu_read_lock(); + nvdev = rcu_dereference(ndev_ctx->nvdev); + + if (nvdev) + cancel_work_sync(&nvdev->subchan_work); + /* * Call to the vsc driver to let it know that the device is being * removed. Also blocks mtu and channel changes. @@ -2087,11 +2126,13 @@ static int netvsc_remove(struct hv_device *dev) if (vf_netdev) netvsc_unregister_vf(vf_netdev); + if (nvdev) + rndis_filter_device_remove(dev, nvdev); + unregister_netdevice(net); - rndis_filter_device_remove(dev, - rtnl_dereference(ndev_ctx->nvdev)); rtnl_unlock(); + rcu_read_unlock(); hv_set_drvdata(dev, NULL); diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 8927c483c217..a6ec41c399d6 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -264,13 +264,23 @@ static void rndis_set_link_state(struct rndis_device *rdev, } } -static void rndis_filter_receive_response(struct rndis_device *dev, - struct rndis_message *resp) +static void rndis_filter_receive_response(struct net_device *ndev, + struct netvsc_device *nvdev, + const struct rndis_message *resp) { + struct rndis_device *dev = nvdev->extension; struct rndis_request *request = NULL; bool found = false; unsigned long flags; - struct net_device *ndev = dev->ndev; + + /* This should never happen, it means control message + * response received after device removed. + */ + if (dev->state == RNDIS_DEV_UNINITIALIZED) { + netdev_err(ndev, + "got rndis message uninitialized\n"); + return; + } spin_lock_irqsave(&dev->request_lock, flags); list_for_each_entry(request, &dev->req_list, list_ent) { @@ -352,7 +362,6 @@ static inline void *rndis_get_ppi(struct rndis_packet *rpkt, u32 type) static int rndis_filter_receive_data(struct net_device *ndev, struct netvsc_device *nvdev, - struct rndis_device *dev, struct rndis_message *msg, struct vmbus_channel *channel, void *data, u32 data_buflen) @@ -372,7 +381,7 @@ static int rndis_filter_receive_data(struct net_device *ndev, * should be the data packet size plus the trailer padding size */ if (unlikely(data_buflen < rndis_pkt->data_len)) { - netdev_err(dev->ndev, "rndis message buffer " + netdev_err(ndev, "rndis message buffer " "overflow detected (got %u, min %u)" "...dropping this message!\n", data_buflen, rndis_pkt->data_len); @@ -400,35 +409,20 @@ int rndis_filter_receive(struct net_device *ndev, void *data, u32 buflen) { struct net_device_context *net_device_ctx = netdev_priv(ndev); - struct rndis_device *rndis_dev = net_dev->extension; struct rndis_message *rndis_msg = data; - /* Make sure the rndis device state is initialized */ - if (unlikely(!rndis_dev)) { - netif_dbg(net_device_ctx, rx_err, ndev, - "got rndis message but no rndis device!\n"); - return NVSP_STAT_FAIL; - } - - if (unlikely(rndis_dev->state == RNDIS_DEV_UNINITIALIZED)) { - netif_dbg(net_device_ctx, rx_err, ndev, - "got rndis message uninitialized\n"); - return NVSP_STAT_FAIL; - } - if (netif_msg_rx_status(net_device_ctx)) dump_rndis_message(ndev, rndis_msg); switch (rndis_msg->ndis_msg_type) { case RNDIS_MSG_PACKET: - return rndis_filter_receive_data(ndev, net_dev, - rndis_dev, rndis_msg, + return rndis_filter_receive_data(ndev, net_dev, rndis_msg, channel, data, buflen); case RNDIS_MSG_INIT_C: case RNDIS_MSG_QUERY_C: case RNDIS_MSG_SET_C: /* completion msgs */ - rndis_filter_receive_response(rndis_dev, rndis_msg); + rndis_filter_receive_response(ndev, net_dev, rndis_msg); break; case RNDIS_MSG_INDICATE: @@ -825,13 +819,15 @@ static int rndis_filter_set_packet_filter(struct rndis_device *dev, struct rndis_set_request *set; int ret; + if (dev->filter == new_filter) + return 0; + request = get_rndis_request(dev, RNDIS_MSG_SET, RNDIS_MESSAGE_SIZE(struct rndis_set_request) + sizeof(u32)); if (!request) return -ENOMEM; - /* Setup the rndis set */ set = &request->request_msg.msg.set_req; set->oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER; @@ -842,8 +838,10 @@ static int rndis_filter_set_packet_filter(struct rndis_device *dev, &new_filter, sizeof(u32)); ret = rndis_filter_send_request(dev, request); - if (ret == 0) + if (ret == 0) { wait_for_completion(&request->wait_event); + dev->filter = new_filter; + } put_rndis_request(dev, request); @@ -861,9 +859,9 @@ static void rndis_set_multicast(struct work_struct *w) filter = NDIS_PACKET_TYPE_PROMISCUOUS; } else { if (flags & IFF_ALLMULTI) - flags |= NDIS_PACKET_TYPE_ALL_MULTICAST; + filter |= NDIS_PACKET_TYPE_ALL_MULTICAST; if (flags & IFF_BROADCAST) - flags |= NDIS_PACKET_TYPE_BROADCAST; + filter |= NDIS_PACKET_TYPE_BROADCAST; } rndis_filter_set_packet_filter(rdev, filter); @@ -1120,6 +1118,7 @@ void rndis_set_subchannel(struct work_struct *w) for (i = 0; i < VRSS_SEND_TAB_SIZE; i++) ndev_ctx->tx_table[i] = i % nvdev->num_chn; + netif_device_attach(ndev); rtnl_unlock(); return; @@ -1130,6 +1129,8 @@ failed: nvdev->max_chn = 1; nvdev->num_chn = 1; + + netif_device_attach(ndev); unlock: rtnl_unlock(); } @@ -1332,6 +1333,10 @@ out: net_device->num_chn = 1; } + /* No sub channels, device is ready */ + if (net_device->num_chn == 1) + netif_device_attach(net); + return net_device; err_dev_remv: @@ -1344,16 +1349,12 @@ void rndis_filter_device_remove(struct hv_device *dev, { struct rndis_device *rndis_dev = net_dev->extension; - /* Don't try and setup sub channels if about to halt */ - cancel_work_sync(&net_dev->subchan_work); - /* Halt and release the rndis device */ rndis_filter_halt_device(rndis_dev); net_dev->extension = NULL; netvsc_device_remove(dev); - kfree(rndis_dev); } int rndis_filter_open(struct netvsc_device *nvdev) @@ -1371,10 +1372,3 @@ int rndis_filter_close(struct netvsc_device *nvdev) return rndis_filter_close_device(nvdev->extension); } - -bool rndis_filter_opened(const struct netvsc_device *nvdev) -{ - const struct rndis_device *dev = nvdev->extension; - - return dev->state == RNDIS_DEV_DATAINITIALIZED; -} diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 7de88b33d5b9..9cbb0c8a896a 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3277,7 +3277,7 @@ static int macsec_newlink(struct net *net, struct net_device *dev, err = netdev_upper_dev_link(real_dev, dev, extack); if (err < 0) - goto unregister; + goto put_dev; /* need to be already registered so that ->init has run and * the MAC addr is set @@ -3316,7 +3316,8 @@ del_dev: macsec_del_dev(macsec); unlink: netdev_upper_dev_unlink(real_dev, dev); -unregister: +put_dev: + dev_put(real_dev); unregister_netdevice(dev); return err; } diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 8fc02d9db3d0..725f4b4afc6d 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1036,7 +1036,7 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev, lowerdev_features &= (features | ~NETIF_F_LRO); features = netdev_increment_features(lowerdev_features, features, mask); features |= ALWAYS_ON_FEATURES; - features &= ~NETIF_F_NETNS_LOCAL; + features &= (ALWAYS_ON_FEATURES | MACVLAN_FEATURES); return features; } diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c index 171010eb4d9c..5ad130c3da43 100644 --- a/drivers/net/phy/bcm-phy-lib.c +++ b/drivers/net/phy/bcm-phy-lib.c @@ -341,8 +341,8 @@ void bcm_phy_get_strings(struct phy_device *phydev, u8 *data) unsigned int i; for (i = 0; i < ARRAY_SIZE(bcm_phy_hw_stats); i++) - memcpy(data + i * ETH_GSTRING_LEN, - bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + bcm_phy_hw_stats[i].string, ETH_GSTRING_LEN); } EXPORT_SYMBOL_GPL(bcm_phy_get_strings); diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 22d9bc9c33a4..0e0978d8a0eb 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1452,8 +1452,8 @@ static void marvell_get_strings(struct phy_device *phydev, u8 *data) int i; for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) { - memcpy(data + i * ETH_GSTRING_LEN, - marvell_hw_stats[i].string, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + marvell_hw_stats[i].string, ETH_GSTRING_LEN); } } diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 0f45310300f6..f41b224a9cdb 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -635,25 +635,6 @@ static int ksz8873mll_config_aneg(struct phy_device *phydev) return 0; } -/* This routine returns -1 as an indication to the caller that the - * Micrel ksz9021 10/100/1000 PHY does not support standard IEEE - * MMD extended PHY registers. - */ -static int -ksz9021_rd_mmd_phyreg(struct phy_device *phydev, int devad, u16 regnum) -{ - return -1; -} - -/* This routine does nothing since the Micrel ksz9021 does not support - * standard IEEE MMD extended PHY registers. - */ -static int -ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int devad, u16 regnum, u16 val) -{ - return -1; -} - static int kszphy_get_sset_count(struct phy_device *phydev) { return ARRAY_SIZE(kszphy_hw_stats); @@ -664,8 +645,8 @@ static void kszphy_get_strings(struct phy_device *phydev, u8 *data) int i; for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++) { - memcpy(data + i * ETH_GSTRING_LEN, - kszphy_hw_stats[i].string, ETH_GSTRING_LEN); + strlcpy(data + i * ETH_GSTRING_LEN, + kszphy_hw_stats[i].string, ETH_GSTRING_LEN); } } @@ -946,8 +927,8 @@ static struct phy_driver ksphy_driver[] = { .get_stats = kszphy_get_stats, .suspend = genphy_suspend, .resume = genphy_resume, - .read_mmd = ksz9021_rd_mmd_phyreg, - .write_mmd = ksz9021_wr_mmd_phyreg, + .read_mmd = genphy_read_mmd_unsupported, + .write_mmd = genphy_write_mmd_unsupported, }, { .phy_id = PHY_ID_KSZ9031, .phy_id_mask = MICREL_PHY_ID_MASK, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index a6f924fee584..9aabfa1a455a 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -618,6 +618,77 @@ static void phy_error(struct phy_device *phydev) } /** + * phy_disable_interrupts - Disable the PHY interrupts from the PHY side + * @phydev: target phy_device struct + */ +static int phy_disable_interrupts(struct phy_device *phydev) +{ + int err; + + /* Disable PHY interrupts */ + err = phy_config_interrupt(phydev, PHY_INTERRUPT_DISABLED); + if (err) + goto phy_err; + + /* Clear the interrupt */ + err = phy_clear_interrupt(phydev); + if (err) + goto phy_err; + + return 0; + +phy_err: + phy_error(phydev); + + return err; +} + +/** + * phy_change - Called by the phy_interrupt to handle PHY changes + * @phydev: phy_device struct that interrupted + */ +static irqreturn_t phy_change(struct phy_device *phydev) +{ + if (phy_interrupt_is_valid(phydev)) { + if (phydev->drv->did_interrupt && + !phydev->drv->did_interrupt(phydev)) + return IRQ_NONE; + + if (phydev->state == PHY_HALTED) + if (phy_disable_interrupts(phydev)) + goto phy_err; + } + + mutex_lock(&phydev->lock); + if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) + phydev->state = PHY_CHANGELINK; + mutex_unlock(&phydev->lock); + + /* reschedule state queue work to run as soon as possible */ + phy_trigger_machine(phydev, true); + + if (phy_interrupt_is_valid(phydev) && phy_clear_interrupt(phydev)) + goto phy_err; + return IRQ_HANDLED; + +phy_err: + phy_error(phydev); + return IRQ_NONE; +} + +/** + * phy_change_work - Scheduled by the phy_mac_interrupt to handle PHY changes + * @work: work_struct that describes the work to be done + */ +void phy_change_work(struct work_struct *work) +{ + struct phy_device *phydev = + container_of(work, struct phy_device, phy_queue); + + phy_change(phydev); +} + +/** * phy_interrupt - PHY interrupt handler * @irq: interrupt line * @phy_dat: phy_device pointer @@ -632,9 +703,7 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat) if (PHY_HALTED == phydev->state) return IRQ_NONE; /* It can't be ours. */ - phy_change(phydev); - - return IRQ_HANDLED; + return phy_change(phydev); } /** @@ -652,32 +721,6 @@ static int phy_enable_interrupts(struct phy_device *phydev) } /** - * phy_disable_interrupts - Disable the PHY interrupts from the PHY side - * @phydev: target phy_device struct - */ -static int phy_disable_interrupts(struct phy_device *phydev) -{ - int err; - - /* Disable PHY interrupts */ - err = phy_config_interrupt(phydev, PHY_INTERRUPT_DISABLED); - if (err) - goto phy_err; - - /* Clear the interrupt */ - err = phy_clear_interrupt(phydev); - if (err) - goto phy_err; - - return 0; - -phy_err: - phy_error(phydev); - - return err; -} - -/** * phy_start_interrupts - request and enable interrupts for a PHY device * @phydev: target phy_device struct * @@ -720,50 +763,6 @@ int phy_stop_interrupts(struct phy_device *phydev) EXPORT_SYMBOL(phy_stop_interrupts); /** - * phy_change - Called by the phy_interrupt to handle PHY changes - * @phydev: phy_device struct that interrupted - */ -void phy_change(struct phy_device *phydev) -{ - if (phy_interrupt_is_valid(phydev)) { - if (phydev->drv->did_interrupt && - !phydev->drv->did_interrupt(phydev)) - return; - - if (phydev->state == PHY_HALTED) - if (phy_disable_interrupts(phydev)) - goto phy_err; - } - - mutex_lock(&phydev->lock); - if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) - phydev->state = PHY_CHANGELINK; - mutex_unlock(&phydev->lock); - - /* reschedule state queue work to run as soon as possible */ - phy_trigger_machine(phydev, true); - - if (phy_interrupt_is_valid(phydev) && phy_clear_interrupt(phydev)) - goto phy_err; - return; - -phy_err: - phy_error(phydev); -} - -/** - * phy_change_work - Scheduled by the phy_mac_interrupt to handle PHY changes - * @work: work_struct that describes the work to be done - */ -void phy_change_work(struct work_struct *work) -{ - struct phy_device *phydev = - container_of(work, struct phy_device, phy_queue); - - phy_change(phydev); -} - -/** * phy_stop - Bring down the PHY link, and stop checking the status * @phydev: target phy_device struct */ diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 478405e544cc..74664a6c0cdc 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1012,10 +1012,17 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, err = sysfs_create_link(&phydev->mdio.dev.kobj, &dev->dev.kobj, "attached_dev"); if (!err) { - err = sysfs_create_link(&dev->dev.kobj, &phydev->mdio.dev.kobj, - "phydev"); - if (err) - goto error; + err = sysfs_create_link_nowarn(&dev->dev.kobj, + &phydev->mdio.dev.kobj, + "phydev"); + if (err) { + dev_err(&dev->dev, "could not add device link to %s err %d\n", + kobject_name(&phydev->mdio.dev.kobj), + err); + /* non-fatal - some net drivers can use one netdevice + * with more then one phy + */ + } phydev->sysfs_links = true; } @@ -1666,6 +1673,23 @@ int genphy_config_init(struct phy_device *phydev) } EXPORT_SYMBOL(genphy_config_init); +/* This is used for the phy device which doesn't support the MMD extended + * register access, but it does have side effect when we are trying to access + * the MMD register via indirect method. + */ +int genphy_read_mmd_unsupported(struct phy_device *phdev, int devad, u16 regnum) +{ + return -EOPNOTSUPP; +} +EXPORT_SYMBOL(genphy_read_mmd_unsupported); + +int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum, + u16 regnum, u16 val) +{ + return -EOPNOTSUPP; +} +EXPORT_SYMBOL(genphy_write_mmd_unsupported); + int genphy_suspend(struct phy_device *phydev) { return phy_set_bits(phydev, MII_BMCR, BMCR_PDOWN); diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index ee3ca4a2f12b..9f48ecf9c627 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -172,6 +172,8 @@ static struct phy_driver realtek_drvs[] = { .flags = PHY_HAS_INTERRUPT, .ack_interrupt = &rtl821x_ack_interrupt, .config_intr = &rtl8211b_config_intr, + .read_mmd = &genphy_read_mmd_unsupported, + .write_mmd = &genphy_write_mmd_unsupported, }, { .phy_id = 0x001cc914, .name = "RTL8211DN Gigabit Ethernet", diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index fa2a9bdd1866..da1937832c99 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -257,7 +257,7 @@ struct ppp_net { /* Prototypes. */ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf, struct file *file, unsigned int cmd, unsigned long arg); -static void ppp_xmit_process(struct ppp *ppp); +static void ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb); static void ppp_send_frame(struct ppp *ppp, struct sk_buff *skb); static void ppp_push(struct ppp *ppp); static void ppp_channel_push(struct channel *pch); @@ -513,13 +513,12 @@ static ssize_t ppp_write(struct file *file, const char __user *buf, goto out; } - skb_queue_tail(&pf->xq, skb); - switch (pf->kind) { case INTERFACE: - ppp_xmit_process(PF_TO_PPP(pf)); + ppp_xmit_process(PF_TO_PPP(pf), skb); break; case CHANNEL: + skb_queue_tail(&pf->xq, skb); ppp_channel_push(PF_TO_CHANNEL(pf)); break; } @@ -1267,8 +1266,8 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev) put_unaligned_be16(proto, pp); skb_scrub_packet(skb, !net_eq(ppp->ppp_net, dev_net(dev))); - skb_queue_tail(&ppp->file.xq, skb); - ppp_xmit_process(ppp); + ppp_xmit_process(ppp, skb); + return NETDEV_TX_OK; outf: @@ -1420,13 +1419,14 @@ static void ppp_setup(struct net_device *dev) */ /* Called to do any work queued up on the transmit side that can now be done */ -static void __ppp_xmit_process(struct ppp *ppp) +static void __ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb) { - struct sk_buff *skb; - ppp_xmit_lock(ppp); if (!ppp->closing) { ppp_push(ppp); + + if (skb) + skb_queue_tail(&ppp->file.xq, skb); while (!ppp->xmit_pending && (skb = skb_dequeue(&ppp->file.xq))) ppp_send_frame(ppp, skb); @@ -1440,7 +1440,7 @@ static void __ppp_xmit_process(struct ppp *ppp) ppp_xmit_unlock(ppp); } -static void ppp_xmit_process(struct ppp *ppp) +static void ppp_xmit_process(struct ppp *ppp, struct sk_buff *skb) { local_bh_disable(); @@ -1448,7 +1448,7 @@ static void ppp_xmit_process(struct ppp *ppp) goto err; (*this_cpu_ptr(ppp->xmit_recursion))++; - __ppp_xmit_process(ppp); + __ppp_xmit_process(ppp, skb); (*this_cpu_ptr(ppp->xmit_recursion))--; local_bh_enable(); @@ -1458,6 +1458,8 @@ static void ppp_xmit_process(struct ppp *ppp) err: local_bh_enable(); + kfree_skb(skb); + if (net_ratelimit()) netdev_err(ppp->dev, "recursion detected\n"); } @@ -1942,7 +1944,7 @@ static void __ppp_channel_push(struct channel *pch) if (skb_queue_empty(&pch->file.xq)) { ppp = pch->ppp; if (ppp) - __ppp_xmit_process(ppp); + __ppp_xmit_process(ppp, NULL); } } diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index a468439969df..56c701b73c12 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2395,7 +2395,7 @@ send_done: if (!nlh) { err = __send_and_alloc_skb(&skb, team, portid, send_func); if (err) - goto errout; + return err; goto send_done; } @@ -2681,7 +2681,7 @@ send_done: if (!nlh) { err = __send_and_alloc_skb(&skb, team, portid, send_func); if (err) - goto errout; + return err; goto send_done; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7433bb2e4451..28cfa642e39a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -655,7 +655,7 @@ static struct tun_struct *tun_enable_queue(struct tun_file *tfile) return tun; } -static void tun_ptr_free(void *ptr) +void tun_ptr_free(void *ptr) { if (!ptr) return; @@ -667,6 +667,7 @@ static void tun_ptr_free(void *ptr) __skb_array_destroy_skb(ptr); } } +EXPORT_SYMBOL_GPL(tun_ptr_free); static void tun_queue_purge(struct tun_file *tfile) { diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 8a22ff67b026..d9eea8cfe6cb 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -315,6 +315,7 @@ static void __usbnet_status_stop_force(struct usbnet *dev) void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) { struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->stats64); + unsigned long flags; int status; if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { @@ -326,10 +327,10 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) if (skb->protocol == 0) skb->protocol = eth_type_trans (skb, dev->net); - u64_stats_update_begin(&stats64->syncp); + flags = u64_stats_update_begin_irqsave(&stats64->syncp); stats64->rx_packets++; stats64->rx_bytes += skb->len; - u64_stats_update_end(&stats64->syncp); + u64_stats_update_end_irqrestore(&stats64->syncp, flags); netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", skb->len + sizeof (struct ethhdr), skb->protocol); @@ -1248,11 +1249,12 @@ static void tx_complete (struct urb *urb) if (urb->status == 0) { struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->stats64); + unsigned long flags; - u64_stats_update_begin(&stats64->syncp); + flags = u64_stats_update_begin_irqsave(&stats64->syncp); stats64->tx_packets += entry->packets; stats64->tx_bytes += entry->length; - u64_stats_update_end(&stats64->syncp); + u64_stats_update_end_irqrestore(&stats64->syncp, flags); } else { dev->net->stats.tx_errors++; diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 8b39c160743d..e04937f44f33 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -977,6 +977,8 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, { int ret; u32 count; + int num_pkts; + int tx_num_deferred; unsigned long flags; struct vmxnet3_tx_ctx ctx; union Vmxnet3_GenericDesc *gdesc; @@ -1075,12 +1077,12 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, #else gdesc = ctx.sop_txd; #endif + tx_num_deferred = le32_to_cpu(tq->shared->txNumDeferred); if (ctx.mss) { gdesc->txd.hlen = ctx.eth_ip_hdr_size + ctx.l4_hdr_size; gdesc->txd.om = VMXNET3_OM_TSO; gdesc->txd.msscof = ctx.mss; - le32_add_cpu(&tq->shared->txNumDeferred, (skb->len - - gdesc->txd.hlen + ctx.mss - 1) / ctx.mss); + num_pkts = (skb->len - gdesc->txd.hlen + ctx.mss - 1) / ctx.mss; } else { if (skb->ip_summed == CHECKSUM_PARTIAL) { gdesc->txd.hlen = ctx.eth_ip_hdr_size; @@ -1091,8 +1093,10 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, gdesc->txd.om = 0; gdesc->txd.msscof = 0; } - le32_add_cpu(&tq->shared->txNumDeferred, 1); + num_pkts = 1; } + le32_add_cpu(&tq->shared->txNumDeferred, num_pkts); + tx_num_deferred += num_pkts; if (skb_vlan_tag_present(skb)) { gdesc->txd.ti = 1; @@ -1118,8 +1122,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, spin_unlock_irqrestore(&tq->tx_lock, flags); - if (le32_to_cpu(tq->shared->txNumDeferred) >= - le32_to_cpu(tq->shared->txThreshold)) { + if (tx_num_deferred >= le32_to_cpu(tq->shared->txThreshold)) { tq->shared->txNumDeferred = 0; VMXNET3_WRITE_BAR0_REG(adapter, VMXNET3_REG_TXPROD + tq->qid * 8, @@ -1470,7 +1473,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, vmxnet3_rx_csum(adapter, skb, (union Vmxnet3_GenericDesc *)rcd); skb->protocol = eth_type_trans(skb, adapter->netdev); - if (!rcd->tcp || !adapter->lro) + if (!rcd->tcp || + !(adapter->netdev->features & NETIF_F_LRO)) goto not_lro; if (segCnt != 0 && mss != 0) { diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 5ba222920e80..59ec34052a65 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.4.11.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.4.13.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01040b00 +#define VMXNET3_DRIVER_VERSION_NUM 0x01040d00 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ @@ -342,9 +342,6 @@ struct vmxnet3_adapter { u8 __iomem *hw_addr1; /* for BAR 1 */ u8 version; - bool rxcsum; - bool lro; - #ifdef VMXNET3_RSS struct UPT1_RSSConf *rss_conf; bool rss; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index e89e5ef2c2a4..f246e9ed4a81 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -729,6 +729,7 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, ieee80211_hw_set(hw, SPECTRUM_MGMT); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, DOESNT_SUPPORT_QOS_NDP); if (ath9k_ps_enable) ieee80211_hw_set(hw, SUPPORTS_PS); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h index df8a1ecb9924..232dcbb83311 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h @@ -181,6 +181,7 @@ enum brcmf_netif_stop_reason { * @netif_stop_lock: spinlock for update netif_stop from multiple sources. * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. * @pend_8021x_wait: used for signalling change in count. + * @fwil_fwerr: flag indicating fwil layer should return firmware error codes. */ struct brcmf_if { struct brcmf_pub *drvr; @@ -198,6 +199,7 @@ struct brcmf_if { wait_queue_head_t pend_8021x_wait; struct in6_addr ipv6_addr_tbl[NDOL_MAX_ENTRIES]; u8 ipv6addr_idx; + bool fwil_fwerr; }; int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c index 47de35a33853..bede7b7fd996 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c @@ -104,6 +104,9 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, u32 data; int err; + /* we need to know firmware error */ + ifp->fwil_fwerr = true; + err = brcmf_fil_iovar_int_get(ifp, name, &data); if (err == 0) { brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); @@ -112,6 +115,8 @@ static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, brcmf_dbg(TRACE, "%s feature check failed: %d\n", brcmf_feat_names[id], err); } + + ifp->fwil_fwerr = false; } static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp, @@ -120,6 +125,9 @@ static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp, { int err; + /* we need to know firmware error */ + ifp->fwil_fwerr = true; + err = brcmf_fil_iovar_data_set(ifp, name, data, len); if (err != -BRCMF_FW_UNSUPPORTED) { brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); @@ -128,6 +136,8 @@ static void brcmf_feat_iovar_data_set(struct brcmf_if *ifp, brcmf_dbg(TRACE, "%s feature check failed: %d\n", brcmf_feat_names[id], err); } + + ifp->fwil_fwerr = false; } #define MAX_CAPS_BUFFER_SIZE 512 diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c index f2cfdd3b2bf1..fc5751116d99 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.c @@ -131,6 +131,9 @@ brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set) brcmf_fil_get_errstr((u32)(-fwerr)), fwerr); err = -EBADE; } + if (ifp->fwil_fwerr) + return fwerr; + return err; } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 2ee54133efa1..82064e909784 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -462,25 +462,23 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac) * @dev_addr: optional device address. * * P2P needs mac addresses for P2P device and interface. If no device - * address it specified, these are derived from the primary net device, ie. - * the permanent ethernet address of the device. + * address it specified, these are derived from a random ethernet + * address. */ static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr) { - struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - bool local_admin = false; + bool random_addr = false; - if (!dev_addr || is_zero_ether_addr(dev_addr)) { - dev_addr = pri_ifp->mac_addr; - local_admin = true; - } + if (!dev_addr || is_zero_ether_addr(dev_addr)) + random_addr = true; - /* Generate the P2P Device Address. This consists of the device's - * primary MAC address with the locally administered bit set. + /* Generate the P2P Device Address obtaining a random ethernet + * address with the locally administered bit set. */ - memcpy(p2p->dev_addr, dev_addr, ETH_ALEN); - if (local_admin) - p2p->dev_addr[0] |= 0x02; + if (random_addr) + eth_random_addr(p2p->dev_addr); + else + memcpy(p2p->dev_addr, dev_addr, ETH_ALEN); /* Generate the P2P Interface Address. If the discovery and connection * BSSCFGs need to simultaneously co-exist, then this address must be diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index c5f2ddf9b0fe..e5a2fc738ac3 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -91,7 +91,6 @@ config IWLWIFI_BCAST_FILTERING config IWLWIFI_PCIE_RTPM bool "Enable runtime power management mode for PCIe devices" depends on IWLMVM && PM && EXPERT - default false help Say Y here to enable runtime power management for PCIe devices. If enabled, the device will go into low power mode diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h b/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h index 3721a3ed358b..f824bebceb06 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h @@ -211,7 +211,7 @@ enum { * @TE_V2_NOTIF_HOST_FRAG_END:request/receive notification on frag end * @TE_V2_NOTIF_INTERNAL_FRAG_START: internal FW use. * @TE_V2_NOTIF_INTERNAL_FRAG_END: internal FW use. - * @T2_V2_START_IMMEDIATELY: start time event immediately + * @TE_V2_START_IMMEDIATELY: start time event immediately * @TE_V2_DEP_OTHER: depends on another time event * @TE_V2_DEP_TSF: depends on a specific time * @TE_V2_EVENT_SOCIOPATHIC: can't co-exist with other events of tha same MAC @@ -230,7 +230,7 @@ enum iwl_time_event_policy { TE_V2_NOTIF_HOST_FRAG_END = BIT(5), TE_V2_NOTIF_INTERNAL_FRAG_START = BIT(6), TE_V2_NOTIF_INTERNAL_FRAG_END = BIT(7), - T2_V2_START_IMMEDIATELY = BIT(11), + TE_V2_START_IMMEDIATELY = BIT(11), /* placement characteristics */ TE_V2_DEP_OTHER = BIT(TE_V2_PLACEMENT_POS), diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 67aefc8fc9ac..7bd704a3e640 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -8,6 +8,7 @@ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -942,7 +944,6 @@ dump_trans_data: out: iwl_fw_free_dump_desc(fwrt); - fwrt->dump.trig = NULL; clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); IWL_DEBUG_INFO(fwrt, "WRT dump done\n"); } @@ -1112,6 +1113,14 @@ void iwl_fw_error_dump_wk(struct work_struct *work) fwrt->ops->dump_start(fwrt->ops_ctx)) return; + if (fwrt->ops && fwrt->ops->fw_running && + !fwrt->ops->fw_running(fwrt->ops_ctx)) { + IWL_ERR(fwrt, "Firmware not running - cannot dump error\n"); + iwl_fw_free_dump_desc(fwrt); + clear_bit(IWL_FWRT_STATUS_DUMPING, &fwrt->status); + goto out; + } + if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) { /* stop recording */ iwl_fw_dbg_stop_recording(fwrt); @@ -1145,7 +1154,7 @@ void iwl_fw_error_dump_wk(struct work_struct *work) iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, out_ctrl); } } - +out: if (fwrt->ops && fwrt->ops->dump_end) fwrt->ops->dump_end(fwrt->ops_ctx); } diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h index 223fb77a3aa9..72259bff9922 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -8,6 +8,7 @@ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2015 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -91,6 +93,7 @@ static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt) if (fwrt->dump.desc != &iwl_dump_desc_assert) kfree(fwrt->dump.desc); fwrt->dump.desc = NULL; + fwrt->dump.trig = NULL; } void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h index e57ff92a68ae..3da468d2cc92 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.h @@ -75,6 +75,20 @@ static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) cancel_delayed_work_sync(&fwrt->timestamp.wk); } +static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) +{ + cancel_delayed_work_sync(&fwrt->timestamp.wk); +} + +static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) +{ + if (!fwrt->timestamp.delay) + return; + + schedule_delayed_work(&fwrt->timestamp.wk, + round_jiffies_relative(fwrt->timestamp.delay)); +} + #else static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt, struct dentry *dbgfs_dir) @@ -84,4 +98,8 @@ static inline int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt, static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {} +static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {} + +static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {} + #endif /* CONFIG_IWLWIFI_DEBUGFS */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c index c39fe84bb4c4..2efac307909e 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/init.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c @@ -77,8 +77,14 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans, } IWL_EXPORT_SYMBOL(iwl_fw_runtime_init); -void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt) +void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt) { - iwl_fw_cancel_timestamp(fwrt); + iwl_fw_suspend_timestamp(fwrt); } -IWL_EXPORT_SYMBOL(iwl_fw_runtime_exit); +IWL_EXPORT_SYMBOL(iwl_fw_runtime_suspend); + +void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt) +{ + iwl_fw_resume_timestamp(fwrt); +} +IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume); diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h index e25c049f980f..3fb940ebd74a 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h @@ -6,6 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -26,6 +27,7 @@ * BSD LICENSE * * Copyright(c) 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -68,6 +70,7 @@ struct iwl_fw_runtime_ops { int (*dump_start)(void *ctx); void (*dump_end)(void *ctx); + bool (*fw_running)(void *ctx); }; #define MAX_NUM_LMAC 2 @@ -150,6 +153,10 @@ void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans, void iwl_fw_runtime_exit(struct iwl_fw_runtime *fwrt); +void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt); + +void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt); + static inline void iwl_fw_set_current_image(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type cur_fw_img) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 0e6cf39285f4..2efe9b099556 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -1098,6 +1098,8 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) /* make sure the d0i3 exit work is not pending */ flush_work(&mvm->d0i3_exit_work); + iwl_fw_runtime_suspend(&mvm->fwrt); + ret = iwl_trans_suspend(trans); if (ret) return ret; @@ -2012,6 +2014,8 @@ int iwl_mvm_resume(struct ieee80211_hw *hw) mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; + iwl_fw_runtime_resume(&mvm->fwrt); + return ret; } @@ -2038,6 +2042,8 @@ static int iwl_mvm_d3_test_open(struct inode *inode, struct file *file) mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_D3; + iwl_fw_runtime_suspend(&mvm->fwrt); + /* start pseudo D3 */ rtnl_lock(); err = __iwl_mvm_suspend(mvm->hw, mvm->hw->wiphy->wowlan_config, true); @@ -2098,6 +2104,8 @@ static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file) __iwl_mvm_resume(mvm, true); rtnl_unlock(); + iwl_fw_runtime_resume(&mvm->fwrt); + mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; iwl_abort_notification_waits(&mvm->notif_wait); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index a7892c1254a2..9c436d8d001d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -35,6 +36,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -1281,9 +1283,6 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, { int ret; - if (!iwl_mvm_firmware_running(mvm)) - return -EIO; - ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 2f22e14e00fe..8ba16fc24e3a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -438,7 +438,8 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif) } /* Allocate the CAB queue for softAP and GO interfaces */ - if (vif->type == NL80211_IFTYPE_AP) { + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) { /* * For TVQM this will be overwritten later with the FW assigned * queue value (when queue is enabled). diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 8aed40a8bc38..ebf511150f4d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -2106,15 +2107,40 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, if (ret) goto out_remove; - ret = iwl_mvm_add_mcast_sta(mvm, vif); - if (ret) - goto out_unbind; - - /* Send the bcast station. At this stage the TBTT and DTIM time events - * are added and applied to the scheduler */ - ret = iwl_mvm_send_add_bcast_sta(mvm, vif); - if (ret) - goto out_rm_mcast; + /* + * This is not very nice, but the simplest: + * For older FWs adding the mcast sta before the bcast station may + * cause assert 0x2b00. + * This is fixed in later FW so make the order of removal depend on + * the TLV + */ + if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { + ret = iwl_mvm_add_mcast_sta(mvm, vif); + if (ret) + goto out_unbind; + /* + * Send the bcast station. At this stage the TBTT and DTIM time + * events are added and applied to the scheduler + */ + ret = iwl_mvm_send_add_bcast_sta(mvm, vif); + if (ret) { + iwl_mvm_rm_mcast_sta(mvm, vif); + goto out_unbind; + } + } else { + /* + * Send the bcast station. At this stage the TBTT and DTIM time + * events are added and applied to the scheduler + */ + iwl_mvm_send_add_bcast_sta(mvm, vif); + if (ret) + goto out_unbind; + iwl_mvm_add_mcast_sta(mvm, vif); + if (ret) { + iwl_mvm_send_rm_bcast_sta(mvm, vif); + goto out_unbind; + } + } /* must be set before quota calculations */ mvmvif->ap_ibss_active = true; @@ -2144,7 +2170,6 @@ out_quota_failed: iwl_mvm_power_update_mac(mvm); mvmvif->ap_ibss_active = false; iwl_mvm_send_rm_bcast_sta(mvm, vif); -out_rm_mcast: iwl_mvm_rm_mcast_sta(mvm, vif); out_unbind: iwl_mvm_binding_remove_vif(mvm, vif); @@ -2682,6 +2707,10 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, /* enable beacon filtering */ WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); + + iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band, + false); + ret = 0; } else if (old_state == IEEE80211_STA_AUTHORIZED && new_state == IEEE80211_STA_ASSOC) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 2d28e0804218..89ff02d7c876 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -90,6 +90,7 @@ #include "fw/runtime.h" #include "fw/dbg.h" #include "fw/acpi.h" +#include "fw/debugfs.h" #define IWL_MVM_MAX_ADDRESSES 5 /* RSSI offset for WkP */ @@ -1783,6 +1784,7 @@ static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) { + iwl_fw_cancel_timestamp(&mvm->fwrt); iwl_free_fw_paging(&mvm->fwrt); clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); iwl_fw_dump_conf_clear(&mvm->fwrt); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 5d525a0023dc..ab7fb5aad984 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -8,6 +8,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -35,6 +36,7 @@ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH + * Copyright(c) 2018 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -552,9 +554,15 @@ static void iwl_mvm_fwrt_dump_end(void *ctx) iwl_mvm_unref(mvm, IWL_MVM_REF_FW_DBG_COLLECT); } +static bool iwl_mvm_fwrt_fw_running(void *ctx) +{ + return iwl_mvm_firmware_running(ctx); +} + static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .dump_start = iwl_mvm_fwrt_dump_start, .dump_end = iwl_mvm_fwrt_dump_end, + .fw_running = iwl_mvm_fwrt_fw_running, }; static struct iwl_op_mode * @@ -802,7 +810,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwl_mvm_leds_exit(mvm); iwl_mvm_thermal_exit(mvm); out_free: - iwl_fw_runtime_exit(&mvm->fwrt); iwl_fw_flush_dump(&mvm->fwrt); if (iwlmvm_mod_params.init_dbg) @@ -843,7 +850,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS) kfree(mvm->d3_resume_sram); #endif - iwl_fw_runtime_exit(&mvm->fwrt); iwl_trans_op_mode_leave(mvm->trans); iwl_phy_db_free(mvm->phy_db); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 60abb0084ee5..47f4c7a1d80d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2684,7 +2684,8 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta, enum nl80211_band band, - struct rs_rate *rate) + struct rs_rate *rate, + bool init) { int i, nentries; unsigned long active_rate; @@ -2738,14 +2739,25 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, */ if (sta->vht_cap.vht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { - switch (sta->bandwidth) { - case IEEE80211_STA_RX_BW_160: - case IEEE80211_STA_RX_BW_80: - case IEEE80211_STA_RX_BW_40: + /* + * In AP mode, when a new station associates, rs is initialized + * immediately upon association completion, before the phy + * context is updated with the association parameters, so the + * sta bandwidth might be wider than the phy context allows. + * To avoid this issue, always initialize rs with 20mhz + * bandwidth rate, and after authorization, when the phy context + * is already up-to-date, re-init rs with the correct bw. + */ + u32 bw = init ? RATE_MCS_CHAN_WIDTH_20 : rs_bw_from_sta_bw(sta); + + switch (bw) { + case RATE_MCS_CHAN_WIDTH_40: + case RATE_MCS_CHAN_WIDTH_80: + case RATE_MCS_CHAN_WIDTH_160: initial_rates = rs_optimal_rates_vht; nentries = ARRAY_SIZE(rs_optimal_rates_vht); break; - case IEEE80211_STA_RX_BW_20: + case RATE_MCS_CHAN_WIDTH_20: initial_rates = rs_optimal_rates_vht_20mhz; nentries = ARRAY_SIZE(rs_optimal_rates_vht_20mhz); break; @@ -2756,7 +2768,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, active_rate = lq_sta->active_siso_rate; rate->type = LQ_VHT_SISO; - rate->bw = rs_bw_from_sta_bw(sta); + rate->bw = bw; } else if (sta->ht_cap.ht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { initial_rates = rs_optimal_rates_ht; @@ -2839,7 +2851,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, tbl = &(lq_sta->lq_info[active_tbl]); rate = &tbl->rate; - rs_get_initial_rate(mvm, sta, lq_sta, band, rate); + rs_get_initial_rate(mvm, sta, lq_sta, band, rate, init); rs_init_optimal_rate(mvm, sta, lq_sta); WARN_ONCE(rate->ant != ANT_A && rate->ant != ANT_B, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index a3f7c1bf3cc8..580de5851fc7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -71,6 +71,7 @@ static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_rx_status *stats = IEEE80211_SKB_RXCB(skb); struct iwl_mvm_key_pn *ptk_pn; + int res; u8 tid, keyidx; u8 pn[IEEE80211_CCMP_PN_LEN]; u8 *extiv; @@ -127,12 +128,13 @@ static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, pn[4] = extiv[1]; pn[5] = extiv[0]; - if (memcmp(pn, ptk_pn->q[queue].pn[tid], - IEEE80211_CCMP_PN_LEN) <= 0) + res = memcmp(pn, ptk_pn->q[queue].pn[tid], IEEE80211_CCMP_PN_LEN); + if (res < 0) + return -1; + if (!res && !(stats->flag & RX_FLAG_ALLOW_SAME_PN)) return -1; - if (!(stats->flag & RX_FLAG_AMSDU_MORE)) - memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN); + memcpy(ptk_pn->q[queue].pn[tid], pn, IEEE80211_CCMP_PN_LEN); stats->flag |= RX_FLAG_PN_VALIDATED; return 0; @@ -314,28 +316,21 @@ static void iwl_mvm_rx_csum(struct ieee80211_sta *sta, } /* - * returns true if a packet outside BA session is a duplicate and - * should be dropped + * returns true if a packet is a duplicate and should be dropped. + * Updates AMSDU PN tracking info */ -static bool iwl_mvm_is_nonagg_dup(struct ieee80211_sta *sta, int queue, - struct ieee80211_rx_status *rx_status, - struct ieee80211_hdr *hdr, - struct iwl_rx_mpdu_desc *desc) +static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, + struct ieee80211_rx_status *rx_status, + struct ieee80211_hdr *hdr, + struct iwl_rx_mpdu_desc *desc) { struct iwl_mvm_sta *mvm_sta; struct iwl_mvm_rxq_dup_data *dup_data; - u8 baid, tid, sub_frame_idx; + u8 tid, sub_frame_idx; if (WARN_ON(IS_ERR_OR_NULL(sta))) return false; - baid = (le32_to_cpu(desc->reorder_data) & - IWL_RX_MPDU_REORDER_BAID_MASK) >> - IWL_RX_MPDU_REORDER_BAID_SHIFT; - - if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) - return false; - mvm_sta = iwl_mvm_sta_from_mac80211(sta); dup_data = &mvm_sta->dup_data[queue]; @@ -365,6 +360,12 @@ static bool iwl_mvm_is_nonagg_dup(struct ieee80211_sta *sta, int queue, dup_data->last_sub_frame[tid] >= sub_frame_idx)) return true; + /* Allow same PN as the first subframe for following sub frames */ + if (dup_data->last_seq[tid] == hdr->seq_ctrl && + sub_frame_idx > dup_data->last_sub_frame[tid] && + desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) + rx_status->flag |= RX_FLAG_ALLOW_SAME_PN; + dup_data->last_seq[tid] = hdr->seq_ctrl; dup_data->last_sub_frame[tid] = sub_frame_idx; @@ -971,7 +972,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (ieee80211_is_data(hdr->frame_control)) iwl_mvm_rx_csum(sta, skb, desc); - if (iwl_mvm_is_nonagg_dup(sta, queue, rx_status, hdr, desc)) { + if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) { kfree_skb(skb); goto out; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 6b2674e02606..630e23cb0ffb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2039,7 +2039,7 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) struct iwl_trans_txq_scd_cfg cfg = { .fifo = IWL_MVM_TX_FIFO_MCAST, .sta_id = msta->sta_id, - .tid = IWL_MAX_TID_COUNT, + .tid = 0, .aggregate = false, .frame_limit = IWL_FRAME_LIMIT, }; @@ -2053,6 +2053,17 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return -ENOTSUPP; /* + * In IBSS, ieee80211_check_queues() sets the cab_queue to be + * invalid, so make sure we use the queue we want. + * Note that this is done here as we want to avoid making DQA + * changes in mac80211 layer. + */ + if (vif->type == NL80211_IFTYPE_ADHOC) { + vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; + mvmvif->cab_queue = vif->cab_queue; + } + + /* * While in previous FWs we had to exclude cab queue from TFD queue * mask, now it is needed as any other queue. */ @@ -2079,24 +2090,13 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) if (iwl_mvm_has_new_tx_api(mvm)) { int queue = iwl_mvm_tvqm_enable_txq(mvm, vif->cab_queue, msta->sta_id, - IWL_MAX_TID_COUNT, + 0, timeout); mvmvif->cab_queue = queue; } else if (!fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_STA_TYPE)) { - /* - * In IBSS, ieee80211_check_queues() sets the cab_queue to be - * invalid, so make sure we use the queue we want. - * Note that this is done here as we want to avoid making DQA - * changes in mac80211 layer. - */ - if (vif->type == NL80211_IFTYPE_ADHOC) { - vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; - mvmvif->cab_queue = vif->cab_queue; - } + IWL_UCODE_TLV_API_STA_TYPE)) iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0, &cfg, timeout); - } return 0; } @@ -2115,7 +2115,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) iwl_mvm_flush_sta(mvm, &mvmvif->mcast_sta, true, 0); iwl_mvm_disable_txq(mvm, mvmvif->cab_queue, vif->cab_queue, - IWL_MAX_TID_COUNT, 0); + 0, 0); ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id); if (ret) @@ -3170,8 +3170,9 @@ static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id, int ret, size; u32 status; + /* This is a valid situation for GTK removal */ if (sta_id == IWL_MVM_INVALID_STA) - return -EINVAL; + return 0; key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) & STA_KEY_FLG_KEYID_MSK); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index 200ab50ec86b..acb217e666db 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -616,7 +616,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, time_cmd.repeat = 1; time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | TE_V2_NOTIF_HOST_EVENT_END | - T2_V2_START_IMMEDIATELY); + TE_V2_START_IMMEDIATELY); if (!wait_for_notif) { iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); @@ -803,7 +803,7 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, time_cmd.repeat = 1; time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | TE_V2_NOTIF_HOST_EVENT_END | - T2_V2_START_IMMEDIATELY); + TE_V2_START_IMMEDIATELY); return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } @@ -913,6 +913,8 @@ int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm, time_cmd.interval = cpu_to_le32(1); time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | TE_V2_ABSENCE); + if (!apply_time) + time_cmd.policy |= cpu_to_le16(TE_V2_START_IMMEDIATELY); return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index dda77b327c98..af6dfceab6b8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -419,11 +419,11 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, { struct ieee80211_key_conf *keyconf = info->control.hw_key; u8 *crypto_hdr = skb_frag->data + hdrlen; + enum iwl_tx_cmd_sec_ctrl type = TX_CMD_SEC_CCM; u64 pn; switch (keyconf->cipher) { case WLAN_CIPHER_SUITE_CCMP: - case WLAN_CIPHER_SUITE_CCMP_256: iwl_mvm_set_tx_cmd_ccmp(info, tx_cmd); iwl_mvm_set_tx_cmd_pn(info, crypto_hdr); break; @@ -447,13 +447,16 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, break; case WLAN_CIPHER_SUITE_GCMP: case WLAN_CIPHER_SUITE_GCMP_256: + type = TX_CMD_SEC_GCMP; + /* Fall through */ + case WLAN_CIPHER_SUITE_CCMP_256: /* TODO: Taking the key from the table might introduce a race * when PTK rekeying is done, having an old packets with a PN * based on the old key but the message encrypted with a new * one. * Need to handle this. */ - tx_cmd->sec_ctl |= TX_CMD_SEC_GCMP | TX_CMD_SEC_KEY_FROM_TABLE; + tx_cmd->sec_ctl |= type | TX_CMD_SEC_KEY_FROM_TABLE; tx_cmd->key[0] = keyconf->hw_key_idx; iwl_mvm_set_tx_cmd_pn(info, crypto_hdr); break; @@ -645,7 +648,11 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE || info.control.vif->type == NL80211_IFTYPE_AP || info.control.vif->type == NL80211_IFTYPE_ADHOC) { - sta_id = mvmvif->bcast_sta.sta_id; + if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE) + sta_id = mvmvif->bcast_sta.sta_id; + else + sta_id = mvmvif->mcast_sta.sta_id; + queue = iwl_mvm_get_ctrl_vif_queue(mvm, &info, hdr->frame_control); if (queue < 0) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 6d0a907d5ba5..fabae0f60683 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -147,7 +147,7 @@ static void iwl_pcie_gen2_tfd_unmap(struct iwl_trans *trans, /* Sanity check on number of chunks */ num_tbs = iwl_pcie_gen2_get_num_tbs(trans, tfd); - if (num_tbs >= trans_pcie->max_tbs) { + if (num_tbs > trans_pcie->max_tbs) { IWL_ERR(trans, "Too many chunks: %i\n", num_tbs); return; } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 3f85713c41dc..1a566287993d 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -378,7 +378,7 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans, /* Sanity check on number of chunks */ num_tbs = iwl_pcie_tfd_get_num_tbs(trans, tfd); - if (num_tbs >= trans_pcie->max_tbs) { + if (num_tbs > trans_pcie->max_tbs) { IWL_ERR(trans, "Too many chunks: %i\n", num_tbs); /* @todo issue fatal error, it is quite serious situation */ return; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 6e0af815f25e..35b21f8152bb 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2727,6 +2727,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, mutex_init(&data->mutex); data->netgroup = hwsim_net_get_netgroup(net); + data->wmediumd = hwsim_net_get_wmediumd(net); /* Enable frame retransmissions for lossy channels */ hw->max_rates = 4; diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c index f9ccd13c79f9..e7bbbc95cdb1 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c @@ -1125,7 +1125,8 @@ static void _rtl8723be_enable_aspm_back_door(struct ieee80211_hw *hw) /* Configuration Space offset 0x70f BIT7 is used to control L0S */ tmp8 = _rtl8723be_dbi_read(rtlpriv, 0x70f); - _rtl8723be_dbi_write(rtlpriv, 0x70f, tmp8 | BIT(7)); + _rtl8723be_dbi_write(rtlpriv, 0x70f, tmp8 | BIT(7) | + ASPM_L1_LATENCY << 3); /* Configuration Space offset 0x719 Bit3 is for L1 * BIT4 is for clock request diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index c8b308cfabf1..3653bea38470 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -527,8 +527,7 @@ static inline int qeth_is_cq(struct qeth_card *card, unsigned int queue) queue == card->qdio.no_in_queues - 1; } - -static int qeth_issue_next_read(struct qeth_card *card) +static int __qeth_issue_next_read(struct qeth_card *card) { int rc; struct qeth_cmd_buffer *iob; @@ -559,6 +558,17 @@ static int qeth_issue_next_read(struct qeth_card *card) return rc; } +static int qeth_issue_next_read(struct qeth_card *card) +{ + int ret; + + spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card))); + ret = __qeth_issue_next_read(card); + spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card))); + + return ret; +} + static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card) { struct qeth_reply *reply; @@ -960,7 +970,7 @@ void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) spin_lock_irqsave(&card->thread_mask_lock, flags); card->thread_running_mask &= ~thread; spin_unlock_irqrestore(&card->thread_mask_lock, flags); - wake_up(&card->wait_q); + wake_up_all(&card->wait_q); } EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit); @@ -1164,6 +1174,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, } rc = qeth_get_problem(cdev, irb); if (rc) { + card->read_or_write_problem = 1; qeth_clear_ipacmd_list(card); qeth_schedule_recovery(card); goto out; @@ -1182,7 +1193,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, return; if (channel == &card->read && channel->state == CH_STATE_UP) - qeth_issue_next_read(card); + __qeth_issue_next_read(card); iob = channel->iob; index = channel->buf_no; @@ -5087,8 +5098,6 @@ static void qeth_core_free_card(struct qeth_card *card) QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); qeth_clean_channel(&card->read); qeth_clean_channel(&card->write); - if (card->dev) - free_netdev(card->dev); qeth_free_qdio_buffers(card); unregister_service_level(&card->qeth_service_level); kfree(card); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 7f236440483f..5ef4c978ad19 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -915,8 +915,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev) qeth_l2_set_offline(cgdev); if (card->dev) { - netif_napi_del(&card->napi); unregister_netdev(card->dev); + free_netdev(card->dev); card->dev = NULL; } return; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 962a04b68dd2..b6b12220da71 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2865,8 +2865,8 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) qeth_l3_set_offline(cgdev); if (card->dev) { - netif_napi_del(&card->napi); unregister_netdev(card->dev); + free_netdev(card->dev); card->dev = NULL; } diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c index e4f5bb056fd2..ba3cfa8e279b 100644 --- a/drivers/soc/fsl/qbman/qman.c +++ b/drivers/soc/fsl/qbman/qman.c @@ -2443,39 +2443,21 @@ struct cgr_comp { struct completion completion; }; -static int qman_delete_cgr_thread(void *p) +static void qman_delete_cgr_smp_call(void *p) { - struct cgr_comp *cgr_comp = (struct cgr_comp *)p; - int ret; - - ret = qman_delete_cgr(cgr_comp->cgr); - complete(&cgr_comp->completion); - - return ret; + qman_delete_cgr((struct qman_cgr *)p); } void qman_delete_cgr_safe(struct qman_cgr *cgr) { - struct task_struct *thread; - struct cgr_comp cgr_comp; - preempt_disable(); if (qman_cgr_cpus[cgr->cgrid] != smp_processor_id()) { - init_completion(&cgr_comp.completion); - cgr_comp.cgr = cgr; - thread = kthread_create(qman_delete_cgr_thread, &cgr_comp, - "cgr_del"); - - if (IS_ERR(thread)) - goto out; - - kthread_bind(thread, qman_cgr_cpus[cgr->cgrid]); - wake_up_process(thread); - wait_for_completion(&cgr_comp.completion); + smp_call_function_single(qman_cgr_cpus[cgr->cgrid], + qman_delete_cgr_smp_call, cgr, true); preempt_enable(); return; } -out: + qman_delete_cgr(cgr); preempt_enable(); } diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 610cba276d47..8139bc70ad7d 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -170,7 +170,7 @@ static void vhost_net_buf_unproduce(struct vhost_net_virtqueue *nvq) if (nvq->rx_ring && !vhost_net_buf_is_empty(rxq)) { ptr_ring_unconsume(nvq->rx_ring, rxq->queue + rxq->head, vhost_net_buf_get_size(rxq), - __skb_array_destroy_skb); + tun_ptr_free); rxq->head = rxq->tail = 0; } } @@ -948,6 +948,7 @@ static int vhost_net_open(struct inode *inode, struct file *f) n->vqs[i].done_idx = 0; n->vqs[i].vhost_hlen = 0; n->vqs[i].sock_hlen = 0; + n->vqs[i].rx_ring = NULL; vhost_net_buf_init(&n->vqs[i].rxq); } vhost_dev_init(dev, vqs, VHOST_NET_VQ_MAX); @@ -972,6 +973,7 @@ static struct socket *vhost_net_stop_vq(struct vhost_net *n, vhost_net_disable_vq(n, vq); vq->private_data = NULL; vhost_net_buf_unproduce(nvq); + nvq->rx_ring = NULL; mutex_unlock(&vq->mutex); return sock; } @@ -1161,14 +1163,14 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd) vhost_net_disable_vq(n, vq); vq->private_data = sock; vhost_net_buf_unproduce(nvq); - if (index == VHOST_NET_VQ_RX) - nvq->rx_ring = get_tap_ptr_ring(fd); r = vhost_vq_init_access(vq); if (r) goto err_used; r = vhost_net_enable_vq(n, vq); if (r) goto err_used; + if (index == VHOST_NET_VQ_RX) + nvq->rx_ring = get_tap_ptr_ring(fd); oldubufs = nvq->ubufs; nvq->ubufs = ubufs; |