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ipv6: add a wrapper for ip6_dst_store() with flowi6 checks

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Move commonly used pattern of ip6_dst_store() usage to a separate
function - ip6_sk_dst_store_flow(), which will check the addresses
for equality using the flow information, before saving them.

There is no functional changes in this patch. In addition, it will
be used in the next patch, in ip6_sk_dst_lookup_flow().

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Kodanev
2018-04-03 15:00:07 +03:00
committed by David S. Miller
parent 0d3ad8549c
commit 7d6850f7c6
3 changed files with 21 additions and 8 deletions
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3
include/net/ip6_route.h
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@@ -214,6 +214,9 @@ static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
#endif
}
void ip6_sk_dst_store_flow(struct sock *sk, struct dst_entry *dst,
const struct flowi6 *fl6);
static inline bool ipv6_unicast_destination(const struct sk_buff *skb)
{
struct rt6_info *rt = (struct rt6_info *) skb_dst(skb);