u32 handle;
u32 flags;
u32 in_hw_count;
+ u8 needs_tc_skb_ext:1;
struct rcu_work rwork;
struct net_device *hw_dev;
/* Flower classifier is unlocked, which means that its reference counter
static void __fl_destroy_filter(struct cls_fl_filter *f)
{
+ if (f->needs_tc_skb_ext)
+ tc_skb_ext_tc_disable();
tcf_exts_destroy(&f->exts);
tcf_exts_put_net(&f->exts);
kfree(f);
}
static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
- [TCA_FLOWER_UNSPEC] = { .type = NLA_UNSPEC },
+ [TCA_FLOWER_UNSPEC] = { .strict_start_type =
+ TCA_FLOWER_L2_MISS },
[TCA_FLOWER_CLASSID] = { .type = NLA_U32 },
[TCA_FLOWER_INDEV] = { .type = NLA_STRING,
.len = IFNAMSIZ },
[TCA_FLOWER_KEY_PPPOE_SID] = { .type = NLA_U16 },
[TCA_FLOWER_KEY_PPP_PROTO] = { .type = NLA_U16 },
[TCA_FLOWER_KEY_L2TPV3_SID] = { .type = NLA_U32 },
-
+ [TCA_FLOWER_L2_MISS] = NLA_POLICY_MAX(NLA_U8, 1),
};
static const struct nla_policy
mask->meta.ingress_ifindex = 0xffffffff;
}
+ fl_set_key_val(tb, &key->meta.l2_miss, TCA_FLOWER_L2_MISS,
+ &mask->meta.l2_miss, TCA_FLOWER_UNSPEC,
+ sizeof(key->meta.l2_miss));
+
fl_set_key_val(tb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK,
sizeof(key->eth.dst));
return ret;
}
+static bool fl_needs_tc_skb_ext(const struct fl_flow_key *mask)
+{
+ return mask->meta.l2_miss;
+}
+
static int fl_set_parms(struct net *net, struct tcf_proto *tp,
struct cls_fl_filter *f, struct fl_flow_mask *mask,
unsigned long base, struct nlattr **tb,
return -EINVAL;
}
+ /* Enable tc skb extension if filter matches on data extracted from
+ * this extension.
+ */
+ if (fl_needs_tc_skb_ext(&mask->key)) {
+ f->needs_tc_skb_ext = 1;
+ tc_skb_ext_tc_enable();
+ }
+
return 0;
}
goto nla_put_failure;
}
+ if (fl_dump_key_val(skb, &key->meta.l2_miss,
+ TCA_FLOWER_L2_MISS, &mask->meta.l2_miss,
+ TCA_FLOWER_UNSPEC, sizeof(key->meta.l2_miss)))
+ goto nla_put_failure;
+
if (fl_dump_key_val(skb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK,
sizeof(key->eth.dst)) ||