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add tx

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rltbg
2026-03-10 12:55:58 +01:00
parent 1d14aff748
commit f4e38f0563
2 changed files with 44 additions and 3 deletions
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.module-common.o
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47
src/ch397_driver.c
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@@ -99,7 +99,6 @@ static void ch397_read_callback(struct urb *urb)
struct ch397_device *dev = urb->context;
struct net_device *netdev = dev->netdev;
struct sk_buff *skb;
struct ethhdr *eth;
int status = urb->status;
switch (status) {
@@ -230,11 +229,53 @@ static int ch397_net_stop(struct net_device *netdev)
return 0;
}
static void ch397_write_callback(struct urb *urb)
{
struct sk_buff *skb = urb->context;
struct net_device *netdev = skb->dev;
switch (urb->status) {
case 0:
netdev->stats.tx_packets++;
break;
default:
netdev->stats.tx_errors++;
break;
}
dev_kfree_skb_any(skb);
usb_free_urb(urb);
netif_wake_queue(netdev);
}
static netdev_tx_t ch397_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
// Pour l'instant, on drop juste les packets TX
dev_kfree_skb(skb);
struct ch397_device *dev = netdev_priv(netdev);
struct urb *urb;
int retval;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
goto drop;
usb_fill_bulk_urb(urb, dev->udev,
usb_sndbulkpipe(dev->udev,
dev->bulk_out_endpointAddr),
skb->data, skb->len, ch397_write_callback, skb);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval) {
usb_free_urb(urb);
goto drop;
}
netdev->stats.tx_bytes += skb->len;
netif_stop_queue(netdev);
return NETDEV_TX_OK;
drop:
dev_kfree_skb_any(skb);
netdev->stats.tx_dropped++;
return NETDEV_TX_OK;
}