diff options
Diffstat (limited to 'drivers/net/usb/cdc_ncm.c')
| -rw-r--r-- | drivers/net/usb/cdc_ncm.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 2bac57d5e8d5..4087c9e33781 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -61,7 +61,7 @@ static bool prefer_mbim; module_param(prefer_mbim, bool, 0644); MODULE_PARM_DESC(prefer_mbim, "Prefer MBIM setting on dual NCM/MBIM functions"); -static void cdc_ncm_txpath_bh(unsigned long param); +static void cdc_ncm_txpath_bh(struct tasklet_struct *t); static void cdc_ncm_tx_timeout_start(struct cdc_ncm_ctx *ctx); static enum hrtimer_restart cdc_ncm_tx_timer_cb(struct hrtimer *hr_timer); static struct usb_driver cdc_ncm_driver; @@ -813,9 +813,11 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ if (!ctx) return -ENOMEM; + ctx->dev = dev; + hrtimer_init(&ctx->tx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); ctx->tx_timer.function = &cdc_ncm_tx_timer_cb; - tasklet_init(&ctx->bh, cdc_ncm_txpath_bh, (unsigned long)dev); + tasklet_setup(&ctx->bh, cdc_ncm_txpath_bh); atomic_set(&ctx->stop, 0); spin_lock_init(&ctx->mtx); @@ -1199,7 +1201,10 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) * accordingly. Otherwise, we should check here. */ if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) - delayed_ndp_size = ALIGN(ctx->max_ndp_size, ctx->tx_ndp_modulus); + delayed_ndp_size = ctx->max_ndp_size + + max_t(u32, + ctx->tx_ndp_modulus, + ctx->tx_modulus + ctx->tx_remainder) - 1; else delayed_ndp_size = 0; @@ -1410,7 +1415,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) if (!(dev->driver_info->flags & FLAG_SEND_ZLP) && skb_out->len > ctx->min_tx_pkt) { padding_count = ctx->tx_curr_size - skb_out->len; - skb_put_zero(skb_out, padding_count); + if (!WARN_ON(padding_count > ctx->tx_curr_size)) + skb_put_zero(skb_out, padding_count); } else if (skb_out->len < ctx->tx_curr_size && (skb_out->len % dev->maxpacket) == 0) { skb_put_u8(skb_out, 0); /* force short packet */ @@ -1468,10 +1474,10 @@ static enum hrtimer_restart cdc_ncm_tx_timer_cb(struct hrtimer *timer) return HRTIMER_NORESTART; } -static void cdc_ncm_txpath_bh(unsigned long param) +static void cdc_ncm_txpath_bh(struct tasklet_struct *t) { - struct usbnet *dev = (struct usbnet *)param; - struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; + struct cdc_ncm_ctx *ctx = from_tasklet(ctx, t, bh); + struct usbnet *dev = ctx->dev; spin_lock_bh(&ctx->mtx); if (ctx->tx_timer_pending != 0) { @@ -1823,6 +1829,15 @@ cdc_ncm_speed_change(struct usbnet *dev, uint32_t rx_speed = le32_to_cpu(data->DLBitRRate); uint32_t tx_speed = le32_to_cpu(data->ULBitRate); + /* if the speed hasn't changed, don't report it. + * RTL8156 shipped before 2021 sends notification about every 32ms. + */ + if (dev->rx_speed == rx_speed && dev->tx_speed == tx_speed) + return; + + dev->rx_speed = rx_speed; + dev->tx_speed = tx_speed; + /* * Currently the USB-NET API does not support reporting the actual * device speed. Do print it instead. @@ -1863,10 +1878,8 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE. */ - netif_info(dev, link, dev->net, - "network connection: %sconnected\n", - !!event->wValue ? "" : "dis"); - usbnet_link_change(dev, !!event->wValue, 0); + if (netif_carrier_ok(dev->net) != !!event->wValue) + usbnet_link_change(dev, !!event->wValue, 0); break; case USB_CDC_NOTIFY_SPEED_CHANGE: |