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| author | Jianbo Liu <jianbol@mellanox.com> | 2018-07-06 08:38:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-07 14:51:53 +0300 |
| commit | aaab08344d2670e5c119b7b497d5063d7ddb8364 (patch) | |
| tree | 9f7772f03f85a42a79e9b1d87ae251dd0d848ce1 /net/sched/cls_flower.c | |
| parent | 2064c3d4c02026572d4975177f28a58052f0a8b7 (diff) | |
| download | linux-aaab08344d2670e5c119b7b497d5063d7ddb8364.tar.xz | |
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/cls_flower.c')
| -rw-r--r-- | net/sched/cls_flower.c | 7 |
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, |