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net: mpls: Add extack messages for route add and delete failures

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Add error messages for failures in adding and deleting mpls routes.
This covers most of the annoying EINVAL errors.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2017-05-27 16:19:31 -06:00
committed by David S. Miller
parent b7b386f42f
commit 074350e2eb
2 changed files with 87 additions and 40 deletions
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2
net/mpls/internal.h
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@@ -205,7 +205,7 @@ int nla_put_labels(struct sk_buff *skb, int attrtype, u8 labels,
int nla_get_labels(const struct nlattr *nla, u8 max_labels, u8 *labels,
u32 label[], struct netlink_ext_ack *extack);
int nla_get_via(const struct nlattr *nla, u8 *via_alen, u8 *via_table,
u8 via[]);
u8 via[], struct netlink_ext_ack *extack);
bool mpls_output_possible(const struct net_device *dev);
unsigned int mpls_dev_mtu(const struct net_device *dev);
bool mpls_pkt_too_big(const struct sk_buff *skb, unsigned int mtu);