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spectrum: flower: Treat ETH_P_ALL as a special case and translate for HW

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HW does not understand ETH_P_ALL. So treat this special case differently
and translate to 0/0 key/mask. That will allow HW to match all ethertypes.

Fixes: 7aa0f5aa9030 ("mlxsw: spectrum: Implement TC flower offload")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2017-02-09 14:42:03 +01:00 committed by David S. Miller
parent 201dacbb1d
commit dc371700d4
1 changed files with 10 additions and 3 deletions
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13
drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
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@ -197,11 +197,18 @@ static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp,
skb_flow_dissector_target(f->dissector,
FLOW_DISSECTOR_KEY_BASIC,
f->mask);
ip_proto = key->ip_proto;
u16 n_proto_key = ntohs(key->n_proto);
u16 n_proto_mask = ntohs(mask->n_proto);
if (n_proto_key == ETH_P_ALL) {
n_proto_key = 0;
n_proto_mask = 0;
}
mlxsw_sp_acl_rulei_keymask_u32(rulei,
MLXSW_AFK_ELEMENT_ETHERTYPE,
ntohs(key->n_proto),
ntohs(mask->n_proto));
n_proto_key, n_proto_mask);
ip_proto = key->ip_proto;
mlxsw_sp_acl_rulei_keymask_u32(rulei,
MLXSW_AFK_ELEMENT_IP_PROTO,
key->ip_proto, mask->ip_proto);