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authorJianbo Liu <jianbol@mellanox.com>2018-07-06 05:38:13 +0000
committerDavid S. Miller <davem@davemloft.net>2018-07-07 20:51:53 +0900
commitaaab08344d2670e5c119b7b497d5063d7ddb8364 (patch)
tree9f7772f03f85a42a79e9b1d87ae251dd0d848ce1 /net/sched
parent2064c3d4c02026572d4975177f28a58052f0a8b7 (diff)
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net/sched: flower: Add support for matching on vlan ethertype
As flow dissector stores vlan ethertype, tc flower now can match on that. It is to make preparation for supporting QinQ. Signed-off-by: Jianbo Liu <jianbol@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/cls_flower.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 352876bb901b..da9ec30763fe 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -500,6 +500,7 @@ static int fl_set_key_mpls(struct nlattr **tb,
}
static void fl_set_key_vlan(struct nlattr **tb,
+ __be16 ethertype,
struct flow_dissector_key_vlan *key_val,
struct flow_dissector_key_vlan *key_mask)
{
@@ -516,6 +517,8 @@ static void fl_set_key_vlan(struct nlattr **tb,
VLAN_PRIORITY_MASK;
key_mask->vlan_priority = VLAN_PRIORITY_MASK;
}
+ key_val->vlan_tpid = ethertype;
+ key_mask->vlan_tpid = cpu_to_be16(~0);
}
static void fl_set_key_flag(u32 flower_key, u32 flower_mask,
@@ -592,8 +595,8 @@ static int fl_set_key(struct net *net, struct nlattr **tb,
if (tb[TCA_FLOWER_KEY_ETH_TYPE]) {
ethertype = nla_get_be16(tb[TCA_FLOWER_KEY_ETH_TYPE]);
- if (ethertype == htons(ETH_P_8021Q)) {
- fl_set_key_vlan(tb, &key->vlan, &mask->vlan);
+ if (eth_type_vlan(ethertype)) {
+ fl_set_key_vlan(tb, ethertype, &key->vlan, &mask->vlan);
fl_set_key_val(tb, &key->basic.n_proto,
TCA_FLOWER_KEY_VLAN_ETH_TYPE,
&mask->basic.n_proto, TCA_FLOWER_UNSPEC,