[PATCHv4 3/7] Add dst_feature to query route entry features
From: Gilad Ben-Yossef <hidden>
Date: 2009-10-28 14:15:32
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Adding an accessor to existing dst_entry feautres field and refactor the only supported feature (allfrag) to use it. Signed-off-by: Gilad Ben-Yossef <redacted> Sigend-off-by: Ori Finkelman [off-list ref] Sigend-off-by: Yony Amit [off-list ref] --- include/net/dst.h | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/include/net/dst.h b/include/net/dst.h
index 5a900dd..b562be3 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h@@ -111,6 +111,12 @@ dst_metric(const struct dst_entry *dst, int metric) return dst->metrics[metric-1]; } +static inline u32 +dst_feature(const struct dst_entry *dst, u32 feature) +{ + return dst_metric(dst, RTAX_FEATURES) & feature; +} + static inline u32 dst_mtu(const struct dst_entry *dst) { u32 mtu = dst_metric(dst, RTAX_MTU);
@@ -136,7 +142,7 @@ static inline void set_dst_metric_rtt(struct dst_entry *dst, int metric, static inline u32 dst_allfrag(const struct dst_entry *dst) { - int ret = dst_metric(dst, RTAX_FEATURES) & RTAX_FEATURE_ALLFRAG; + int ret = dst_feature(dst, RTAX_FEATURE_ALLFRAG); /* Yes, _exactly_. This is paranoia. */ barrier(); return ret;
--
1.5.6.3