Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (92 commits)
  gianfar: Revive VLAN support
  vlan: Export symbols as non GPL symbols.
  bnx2x: tx_has_work should not wait for FW
  netxen: reduce memory footprint
  netxen: fix vlan tso/checksum offload
  net: Fix linux/if_frad.h's suitability for userspace.
  net: Move config NET_NS to from net/Kconfig to init/Kconfig
  isdn: Fix missing ifdef in isdn_ppp
  networking: document "nc" in addition to "netcat" in netconsole.txt
  e1000e: workaround hw errata
  af_key: initialize xfrm encap_oa
  virtio_net: Fix MAX_PACKET_LEN to support 802.1Q VLANs
  lcs: fix compilation for !CONFIG_IP_MULTICAST
  rtl8187: Add termination packet to prevent stall
  iwlwifi: fix rs_get_rate WARN_ON()
  p54usb: fix packet loss with first generation devices
  sctp: Fix another socket race during accept/peeloff
  sctp: Properly timestamp outgoing data chunks for rtx purposes
  sctp: Correctly start rtx timer on new packet transmissions.
  sctp: Fix crc32c calculations on big-endian arhes.
  ...

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index a04da4ecaa88..f6c4936e2fa8 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -321,6 +321,10 @@ static void macb_tx(struct macb *bp)
                 printk(KERN_ERR "%s: TX underrun, resetting buffers\n",
                         bp->dev->name);
 
+                /* Transfer ongoing, disable transmitter, to avoid confusion */
+                if (status & MACB_BIT(TGO))
+                        macb_writel(bp, NCR, macb_readl(bp, NCR) & ~MACB_BIT(TE));
+
                 head = bp->tx_head;
 
                 /*Mark all the buffer as used to avoid sending a lost buffer*/
@@ -343,6 +347,10 @@ static void macb_tx(struct macb *bp)
                 }
 
                 bp->tx_head = bp->tx_tail = 0;
+
+                /* Enable the transmitter again */
+                if (status & MACB_BIT(TGO))
+                        macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TE));
         }
 
         if (!(status & MACB_BIT(COMP)))