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net: fib_rules: do not flow dissect local packets

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Rules matching on loopback iif do not need early flow dissection as the
packet originates from the host. Stop counting such rules in
fib_rule_requires_fldissect

Signed-off-by: Petar Penkov <ppenkov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petar Penkov 2019-07-05 11:46:43 -07:00 committed by David S. Miller
parent a131c2bf16
commit 63f9ba1bf8
1 changed files with 2 additions and 2 deletions
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include/net/fib_rules.h
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@ -180,9 +180,9 @@ static inline bool fib_rule_port_range_compare(struct fib_rule_port_range *a,
static inline bool fib_rule_requires_fldissect(struct fib_rule *rule)
{
return rule->ip_proto ||
return rule->iifindex != LOOPBACK_IFINDEX && (rule->ip_proto ||
fib_rule_port_range_set(&rule->sport_range) ||
fib_rule_port_range_set(&rule->dport_range);
fib_rule_port_range_set(&rule->dport_range));
}
struct fib_rules_ops *fib_rules_register(const struct fib_rules_ops *,