diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2013-10-24 23:50:42 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2013-10-25 23:52:51 +0200 |
| commit | ba0cdc6fb4891c9efc91f627698c8203583f0e52 (patch) | |
| tree | 44563d55cc3b8ed7a48ee41bdec7fc247982fb60 /patches/collateral-evolutions | |
| parent | 4f168a811ad5f88c30f6586478a58996b1df3e28 (diff) | |
backports: fix usb-sg for usbnet
This adapts the changes from:
commit 60e453a940ac678565b6641d65f8c18541bb9f28
Author: Ming Lei <ming.lei@canonical.com>
Date: Mon Sep 23 20:59:35 2013 +0800
USBNET: fix handling padding packet
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'patches/collateral-evolutions')
| -rw-r--r-- | patches/collateral-evolutions/network/78-usb-sg/usbnet.patch | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/patches/collateral-evolutions/network/78-usb-sg/usbnet.patch b/patches/collateral-evolutions/network/78-usb-sg/usbnet.patch index 07d9d962..afea0cb0 100644 --- a/patches/collateral-evolutions/network/78-usb-sg/usbnet.patch +++ b/patches/collateral-evolutions/network/78-usb-sg/usbnet.patch @@ -8,7 +8,7 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) { unsigned num_sgs, total_len = 0; -@@ -1264,6 +1265,12 @@ static int build_dma_sg(const struct sk_ +@@ -1266,6 +1267,12 @@ static int build_dma_sg(const struct sk_ return 1; } @@ -21,7 +21,27 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, struct net_device *net) -@@ -1377,7 +1384,9 @@ not_drop: +@@ -1322,12 +1329,19 @@ netdev_tx_t usbnet_start_xmit (struct sk + if (!(info->flags & FLAG_SEND_ZLP)) { + if (!(info->flags & FLAG_MULTI_PACKET)) { + length++; ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,35,0) + if (skb_tailroom(skb) && !urb->num_sgs) { + skb->data[skb->len] = 0; + __skb_put(skb, 1); + } else if (urb->num_sgs) + sg_set_buf(&urb->sg[urb->num_sgs++], + dev->padding_pkt, 1); ++#else ++ if (skb_tailroom(skb)) { ++ skb->data[skb->len] = 0; ++ __skb_put(skb, 1); ++ } ++#endif + } + } else + urb->transfer_flags |= URB_ZERO_PACKET; +@@ -1382,7 +1396,9 @@ not_drop: if (skb) dev_kfree_skb_any (skb); if (urb) { @@ -31,7 +51,7 @@ usb_free_urb(urb); } } else -@@ -1430,7 +1439,9 @@ static void usbnet_bh (unsigned long par +@@ -1435,7 +1451,9 @@ static void usbnet_bh (unsigned long par rx_process (dev, skb); continue; case tx_done: @@ -41,7 +61,7 @@ case rx_cleanup: usb_free_urb (entry->urb); dev_kfree_skb (skb); -@@ -1773,7 +1784,9 @@ int usbnet_resume (struct usb_interface +@@ -1788,7 +1806,9 @@ int usbnet_resume (struct usb_interface retval = usb_submit_urb(res, GFP_ATOMIC); if (retval < 0) { dev_kfree_skb_any(skb); |