diff options
| author | Steen Hegelund <steen.hegelund@microchip.com> | 2023-01-24 11:45:11 +0100 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-01-26 10:07:44 +0100 |
| commit | 52df82cc919945f58c10c24b799822e9e6e0359f (patch) | |
| tree | 4422b3def039bf76f3959650df8704eec743b143 | |
| parent | 63e3564507ea0f2e8eac5ebadf44c430d56d3fbc (diff) | |
net: microchip: sparx5: Add support for IS0 VCAP CVLAN TC keys
This adds support for parsing and matching on the CVLAN tags in the Sparx5
IS0 VCAP.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c index 59dfe420add9c..59d6ed6f41910 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c @@ -309,6 +309,51 @@ out: } static int +sparx5_tc_flower_handler_cvlan_usage(struct sparx5_tc_flower_parse_usage *st) +{ + enum vcap_key_field vid_key = VCAP_KF_8021Q_VID0; + enum vcap_key_field pcp_key = VCAP_KF_8021Q_PCP0; + struct flow_match_vlan mt; + u16 tpid; + int err; + + if (st->admin->vtype != VCAP_TYPE_IS0) + return -EINVAL; + + flow_rule_match_cvlan(st->frule, &mt); + + tpid = be16_to_cpu(mt.key->vlan_tpid); + + if (tpid == ETH_P_8021Q) { + vid_key = VCAP_KF_8021Q_VID1; + pcp_key = VCAP_KF_8021Q_PCP1; + } + + if (mt.mask->vlan_id) { + err = vcap_rule_add_key_u32(st->vrule, vid_key, + mt.key->vlan_id, + mt.mask->vlan_id); + if (err) + goto out; + } + + if (mt.mask->vlan_priority) { + err = vcap_rule_add_key_u32(st->vrule, pcp_key, + mt.key->vlan_priority, + mt.mask->vlan_priority); + if (err) + goto out; + } + + st->used_keys |= BIT(FLOW_DISSECTOR_KEY_CVLAN); + + return 0; +out: + NL_SET_ERR_MSG_MOD(st->fco->common.extack, "cvlan parse error"); + return err; +} + +static int sparx5_tc_flower_handler_vlan_usage(struct sparx5_tc_flower_parse_usage *st) { enum vcap_key_field vid_key = VCAP_KF_8021Q_VID_CLS; @@ -318,6 +363,11 @@ sparx5_tc_flower_handler_vlan_usage(struct sparx5_tc_flower_parse_usage *st) flow_rule_match_vlan(st->frule, &mt); + if (st->admin->vtype == VCAP_TYPE_IS0) { + vid_key = VCAP_KF_8021Q_VID0; + pcp_key = VCAP_KF_8021Q_PCP0; + } + if (mt.mask->vlan_id) { err = vcap_rule_add_key_u32(st->vrule, vid_key, mt.key->vlan_id, @@ -513,6 +563,7 @@ static int (*sparx5_tc_flower_usage_handlers[])(struct sparx5_tc_flower_parse_us [FLOW_DISSECTOR_KEY_CONTROL] = sparx5_tc_flower_handler_control_usage, [FLOW_DISSECTOR_KEY_PORTS] = sparx5_tc_flower_handler_portnum_usage, [FLOW_DISSECTOR_KEY_BASIC] = sparx5_tc_flower_handler_basic_usage, + [FLOW_DISSECTOR_KEY_CVLAN] = sparx5_tc_flower_handler_cvlan_usage, [FLOW_DISSECTOR_KEY_VLAN] = sparx5_tc_flower_handler_vlan_usage, [FLOW_DISSECTOR_KEY_TCP] = sparx5_tc_flower_handler_tcp_usage, [FLOW_DISSECTOR_KEY_ARP] = sparx5_tc_flower_handler_arp_usage, |