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authorDavid Ahern <dsahern@gmail.com>2018-02-13 20:32:04 -0800
committerDavid S. Miller <davem@davemloft.net>2018-02-14 14:43:32 -0500
commit9942895b5ee4b0db53f32fbcb4a51360607aac1b (patch)
tree81b8c17ab70dd6b085f61fdeb154998b1b6c70c0 /include/net/lwtunnel.h
parent64da58528bdbdba171cf6c6ffaf39c2ee75e3a10 (diff)
downloadlwn-9942895b5ee4b0db53f32fbcb4a51360607aac1b.tar.gz
lwn-9942895b5ee4b0db53f32fbcb4a51360607aac1b.zip
net: Move ipv4 set_lwt_redirect helper to lwtunnel
IPv4 uses set_lwt_redirect to set the lwtunnel redirect functions as needed. Move it to lwtunnel.h as lwtunnel_set_redirect and change IPv6 to also use it. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/lwtunnel.h')
-rw-r--r--include/net/lwtunnel.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h
index d747ef975cd8..33fd9ba7e0e5 100644
--- a/include/net/lwtunnel.h
+++ b/include/net/lwtunnel.h
@@ -127,6 +127,17 @@ int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb);
int lwtunnel_input(struct sk_buff *skb);
int lwtunnel_xmit(struct sk_buff *skb);
+static inline void lwtunnel_set_redirect(struct dst_entry *dst)
+{
+ if (lwtunnel_output_redirect(dst->lwtstate)) {
+ dst->lwtstate->orig_output = dst->output;
+ dst->output = lwtunnel_output;
+ }
+ if (lwtunnel_input_redirect(dst->lwtstate)) {
+ dst->lwtstate->orig_input = dst->input;
+ dst->input = lwtunnel_input;
+ }
+}
#else
static inline void lwtstate_free(struct lwtunnel_state *lws)
@@ -158,6 +169,10 @@ static inline bool lwtunnel_xmit_redirect(struct lwtunnel_state *lwtstate)
return false;
}
+static inline void lwtunnel_set_redirect(struct dst_entry *dst)
+{
+}
+
static inline unsigned int lwtunnel_headroom(struct lwtunnel_state *lwtstate,
unsigned int mtu)
{