Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
compat/compat-2.6.29.c | 26 ++++++++++++++++++++++++++
include/linux/compat-2.6.29.h | 2 ++
2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/compat/compat-2.6.29.c b/compat/compat-2.6.29.c
index 5ee1e44..8c725ee 100644
--- a/compat/compat-2.6.29.c
+++ b/compat/compat-2.6.29.c
@@ -98,6 +98,32 @@ int eth_mac_addr(struct net_device *dev, void *p)
return 0;
}
EXPORT_SYMBOL(eth_mac_addr);
+
+/**
+ * eth_change_mtu - set new MTU size
+ * @dev: network device
+ * @new_mtu: new Maximum Transfer Unit
+ *
+ * Allow changing MTU size. Needs to be overridden for devices
+ * supporting jumbo frames.
+ */
+int eth_change_mtu(struct net_device *dev, int new_mtu)
+{
+ if (new_mtu < 68 || new_mtu > ETH_DATA_LEN)
+ return -EINVAL;
+ dev->mtu = new_mtu;
+ return 0;
+}
+EXPORT_SYMBOL(eth_change_mtu);
+
+int eth_validate_addr(struct net_device *dev)
+{
+ if (!is_valid_ether_addr(dev->dev_addr))
+ return -EADDRNOTAVAIL;
+
+ return 0;
+}
+EXPORT_SYMBOL(eth_validate_addr);
/* Source: net/ethernet/eth.c */
diff --git a/include/linux/compat-2.6.29.h b/include/linux/compat-2.6.29.h
index 165b78c..f063e24 100644
--- a/include/linux/compat-2.6.29.h
+++ b/include/linux/compat-2.6.29.h
@@ -246,6 +246,8 @@ extern void usb_unpoison_anchored_urbs(struct usb_anchor *anchor);
)
extern int eth_mac_addr(struct net_device *dev, void *p);
+extern int eth_change_mtu(struct net_device *dev, int new_mtu);
+extern int eth_validate_addr(struct net_device *dev);
#else
--
1.7.0.4
--
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