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| author |   David Ahern <dsahern@gmail.com> | 2018-10-04 20:07:53 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-10-04 21:54:19 -0700 |
| commit | e1255ed4b6dafd9966c99cde5105891cc1ac70df (patch) | |
| tree | a8118d6d76a79bc59220ce115663b9567365ce1a /include/net/ip.h | |
| parent | net: Move free of fib_metrics to helper (diff) | |
| download | linux-dev-e1255ed4b6dafd9966c99cde5105891cc1ac70df.tar.xz linux-dev-e1255ed4b6dafd9966c99cde5105891cc1ac70df.zip | |
net: common metrics init helper for dst_entry
ipv4 and ipv6 both use refcounted metrics if FIB entries have metrics set.
Move the common initialization code to a helper and use for both protocols.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | include/net/ip.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 8fdd58ce580d..f9a7125b4bda 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -429,6 +429,18 @@ static inline void ip_fib_metrics_put(struct dst_metrics *fib_metrics) kfree(fib_metrics); } +/* ipv4 and ipv6 both use refcounted metrics if it is not the default */ +static inline +void ip_dst_init_metrics(struct dst_entry *dst, struct dst_metrics *fib_metrics) +{ + dst_init_metrics(dst, fib_metrics->metrics, true); + + if (fib_metrics != &dst_default_metrics) { + dst->_metrics |= DST_METRICS_REFCOUNTED; + refcount_inc(&fib_metrics->refcnt); + } +} + u32 ip_idents_reserve(u32 hash, int segs); void __ip_select_ident(struct net *net, struct iphdr *iph, int segs); |