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ip_tunnel: Rename & publish init_tunnel_flow

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Initializing struct flowi4 is useful for drivers that need to emulate
routing decisions made by a tunnel interface. Publish the
function (appropriately renamed) so that the drivers in question don't
need to cut'n'paste it around.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata
2018-02-27 14:53:38 +01:00
committed by David S. Miller
parent d1b2a6c4be
commit b0066da52e
2 changed files with 28 additions and 28 deletions
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16
include/net/ip_tunnels.h
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@@ -254,6 +254,22 @@ static inline __be32 tunnel_id_to_key32(__be64 tun_id)
#ifdef CONFIG_INET
static inline void ip_tunnel_init_flow(struct flowi4 *fl4,
int proto,
__be32 daddr, __be32 saddr,
__be32 key, __u8 tos, int oif,
__u32 mark)
{
memset(fl4, 0, sizeof(*fl4));
fl4->flowi4_oif = oif;
fl4->daddr = daddr;
fl4->saddr = saddr;
fl4->flowi4_tos = tos;
fl4->flowi4_proto = proto;
fl4->fl4_gre_key = key;
fl4->flowi4_mark = mark;
}
int ip_tunnel_init(struct net_device *dev);
void ip_tunnel_uninit(struct net_device *dev);
void ip_tunnel_dellink(struct net_device *dev, struct list_head *head);