diff options
Diffstat (limited to 'drivers/usb/gadget/u_ether.c')
| -rw-r--r-- | drivers/usb/gadget/u_ether.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 4b76124ce96b..801e326e54c0 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -64,6 +64,7 @@ struct eth_dev { struct sk_buff_head rx_frames; unsigned header_len; + unsigned ul_max_pkts_per_xfer; struct sk_buff *(*wrap)(struct gether *, struct sk_buff *skb); int (*unwrap)(struct gether *, struct sk_buff *skb, @@ -226,9 +227,13 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) size += out->maxpacket - 1; size -= size % out->maxpacket; + if (dev->ul_max_pkts_per_xfer) + size *= dev->ul_max_pkts_per_xfer; + if (dev->port_usb->is_fixed) size = max_t(size_t, size, dev->port_usb->fixed_out_len); + DBG(dev, "%s: size: %d\n", __func__, size); skb = alloc_skb(size + NET_IP_ALIGN, gfp_flags); if (skb == NULL) { DBG(dev, "no rx skb\n"); @@ -882,6 +887,7 @@ struct net_device *gether_connect(struct gether *link) dev->header_len = link->header_len; dev->unwrap = link->unwrap; dev->wrap = link->wrap; + dev->ul_max_pkts_per_xfer = link->ul_max_pkts_per_xfer; spin_lock(&dev->lock); dev->port_usb = link; |