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net: Add helper function to parse netlink msg of ip_tunnel_encap

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Add ip_tunnel_netlink_encap_parms to parse netlink msg of ip_tunnel_encap.
Reduces duplicate code, no actual functional changes.

Signed-off-by: Liu Jian <liujian56@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Liu Jian
2022-09-29 21:52:02 +08:00
committed by David S. Miller
parent 42e8e6d906
commit 537dd2d9fb
5 changed files with 44 additions and 107 deletions
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include/net/ip_tunnels.h
+3
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@@ -302,6 +302,9 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
struct ip_tunnel_parm *p, __u32 fwmark);
void ip_tunnel_setup(struct net_device *dev, unsigned int net_id);
bool ip_tunnel_netlink_encap_parms(struct nlattr *data[],
struct ip_tunnel_encap *encap);
extern const struct header_ops ip_tunnel_header_ops;
__be16 ip_tunnel_parse_protocol(const struct sk_buff *skb);