[Xen-changelog] [xen-unstable] [NET] loopback: Added support for SG

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID d8363da485ce8a39b1dc24d9b45181aef2083f5e
# Parent  8425df2203c9b0b7eac8c7061801c643133b8c9b
[NET] loopback: Added support for SG

Just like the standard loopback device, SG support here is innate.
So all we need to do is mark it as such and zero the change_mtu method
so that the MTU can be changed at will.

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
---
 linux-2.6-xen-sparse/drivers/xen/netback/loopback.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r 8425df2203c9 -r d8363da485ce 
linux-2.6-xen-sparse/drivers/xen/netback/loopback.c
--- a/linux-2.6-xen-sparse/drivers/xen/netback/loopback.c       Fri Jun 02 
12:14:27 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/netback/loopback.c       Fri Jun 02 
12:19:33 2006 +0100
@@ -146,11 +146,13 @@ static void loopback_construct(struct ne
        dev->hard_start_xmit = loopback_start_xmit;
        dev->get_stats       = loopback_get_stats;
        dev->set_multicast_list = loopback_set_multicast_list;
+       dev->change_mtu      = NULL; /* allow arbitrary mtu */
 
        dev->tx_queue_len    = 0;
 
        dev->features        = (NETIF_F_HIGHDMA |
                                NETIF_F_LLTX |
+                               NETIF_F_SG |
                                NETIF_F_IP_CSUM);
 
        SET_ETHTOOL_OPS(dev, &network_ethtool_ops);

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