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| author |   Ido Schimmel <idosch@mellanox.com> | 2017-08-03 13:28:15 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-03 15:35:59 -0700 |
| commit | e3ea973159d53559c5ae9a9dbc824da9aba6cac0 (patch) | |
| tree | ab5d466ecd8c66c880b490069e15ba213ede6949 /net/ipv6/fib6_rules.c | |
| parent | net: fib_rules: Implement notification logic in core (diff) | |
| download | linux-dev-e3ea973159d53559c5ae9a9dbc824da9aba6cac0.tar.xz linux-dev-e3ea973159d53559c5ae9a9dbc824da9aba6cac0.zip | |
ipv6: fib_rules: Check if rule is a default rule
As explained in commit 3c71006d15fd ("ipv4: fib_rules: Check if rule is
a default rule"), drivers supporting IPv6 FIB offload need to be able to
sanitize the rules they don't support and potentially flush their
tables.
Add an IPv6 helper to check if a FIB rule is a default rule.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/fib6_rules.c')
| -rw-r--r-- | net/ipv6/fib6_rules.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index ec849d88a662..ef1fcee6bf16 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -29,6 +29,26 @@ struct fib6_rule { u8 tclass; }; +static bool fib6_rule_matchall(const struct fib_rule *rule) +{ + struct fib6_rule *r = container_of(rule, struct fib6_rule, common); + + if (r->dst.plen || r->src.plen || r->tclass) + return false; + return fib_rule_matchall(rule); +} + +bool fib6_rule_default(const struct fib_rule *rule) +{ + if (!fib6_rule_matchall(rule) || rule->action != FR_ACT_TO_TBL || + rule->l3mdev) + return false; + if (rule->table != RT6_TABLE_LOCAL && rule->table != RT6_TABLE_MAIN) + return false; + return true; +} +EXPORT_SYMBOL_GPL(fib6_rule_default); + struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, int flags, pol_lookup_t lookup) { |