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| author | Michael Brown | 2009-06-23 19:36:01 +0200 |
|---|---|---|
| committer | Michael Brown | 2009-06-23 19:36:01 +0200 |
| commit | 5e1ef9846929a574a7e4712abdda45b3adca4c1a (patch) | |
| tree | 8c1e117b37bfb5e3f57b9ecb3a52085a5b102367 /src | |
| parent | [tcp] Avoid rewinding sequence numbers on receiving old duplicate ACKs (diff) | |
| download | ipxe-5e1ef9846929a574a7e4712abdda45b3adca4c1a.tar.gz ipxe-5e1ef9846929a574a7e4712abdda45b3adca4c1a.tar.xz ipxe-5e1ef9846929a574a7e4712abdda45b3adca4c1a.zip | |
[e1000] Ensure descriptor is fully written before sending packet
Reported-by: Mark McLoughlin <markmc@redhat.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/net/e1000/e1000.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/drivers/net/e1000/e1000.c b/src/drivers/net/e1000/e1000.c index b6af86fc7..faca1e078 100644 --- a/src/drivers/net/e1000/e1000.c +++ b/src/drivers/net/e1000/e1000.c @@ -588,6 +588,7 @@ e1000_transmit ( struct net_device *netdev, struct io_buffer *iobuf ) /* Write new tail to NIC, making packet available for transmit */ + wmb(); E1000_WRITE_REG ( hw, TDT, adapter->tx_tail ); return 0; |