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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_tc_lib.h')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_tc_lib.h162
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.h b/drivers/net/ethernet/intel/ice/ice_tc_lib.h
new file mode 100644
index 000000000000..319049477959
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.h
@@ -0,0 +1,162 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2019-2021, Intel Corporation. */
+
+#ifndef _ICE_TC_LIB_H_
+#define _ICE_TC_LIB_H_
+
+#define ICE_TC_FLWR_FIELD_DST_MAC BIT(0)
+#define ICE_TC_FLWR_FIELD_SRC_MAC BIT(1)
+#define ICE_TC_FLWR_FIELD_VLAN BIT(2)
+#define ICE_TC_FLWR_FIELD_DEST_IPV4 BIT(3)
+#define ICE_TC_FLWR_FIELD_SRC_IPV4 BIT(4)
+#define ICE_TC_FLWR_FIELD_DEST_IPV6 BIT(5)
+#define ICE_TC_FLWR_FIELD_SRC_IPV6 BIT(6)
+#define ICE_TC_FLWR_FIELD_DEST_L4_PORT BIT(7)
+#define ICE_TC_FLWR_FIELD_SRC_L4_PORT BIT(8)
+#define ICE_TC_FLWR_FIELD_TENANT_ID BIT(9)
+#define ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 BIT(10)
+#define ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 BIT(11)
+#define ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 BIT(12)
+#define ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 BIT(13)
+#define ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT BIT(14)
+#define ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT BIT(15)
+#define ICE_TC_FLWR_FIELD_ENC_DST_MAC BIT(16)
+#define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17)
+
+#define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF
+
+struct ice_indr_block_priv {
+ struct net_device *netdev;
+ struct ice_netdev_priv *np;
+ struct list_head list;
+};
+
+struct ice_tc_flower_action {
+ u32 tc_class;
+ enum ice_sw_fwd_act_type fltr_act;
+};
+
+struct ice_tc_vlan_hdr {
+ __be16 vlan_id; /* Only last 12 bits valid */
+ u16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */
+};
+
+struct ice_tc_l2_hdr {
+ u8 dst_mac[ETH_ALEN];
+ u8 src_mac[ETH_ALEN];
+ __be16 n_proto; /* Ethernet Protocol */
+};
+
+struct ice_tc_l3_hdr {
+ u8 ip_proto; /* IPPROTO value */
+ union {
+ struct {
+ struct in_addr dst_ip;
+ struct in_addr src_ip;
+ } v4;
+ struct {
+ struct in6_addr dst_ip6;
+ struct in6_addr src_ip6;
+ } v6;
+ } ip;
+#define dst_ipv6 ip.v6.dst_ip6.s6_addr32
+#define dst_ipv6_addr ip.v6.dst_ip6.s6_addr
+#define src_ipv6 ip.v6.src_ip6.s6_addr32
+#define src_ipv6_addr ip.v6.src_ip6.s6_addr
+#define dst_ipv4 ip.v4.dst_ip.s_addr
+#define src_ipv4 ip.v4.src_ip.s_addr
+
+ u8 tos;
+ u8 ttl;
+};
+
+struct ice_tc_l4_hdr {
+ __be16 dst_port;
+ __be16 src_port;
+};
+
+struct ice_tc_flower_lyr_2_4_hdrs {
+ /* L2 layer fields with their mask */
+ struct ice_tc_l2_hdr l2_key;
+ struct ice_tc_l2_hdr l2_mask;
+ struct ice_tc_vlan_hdr vlan_hdr;
+ /* L3 (IPv4[6]) layer fields with their mask */
+ struct ice_tc_l3_hdr l3_key;
+ struct ice_tc_l3_hdr l3_mask;
+
+ /* L4 layer fields with their mask */
+ struct ice_tc_l4_hdr l4_key;
+ struct ice_tc_l4_hdr l4_mask;
+};
+
+enum ice_eswitch_fltr_direction {
+ ICE_ESWITCH_FLTR_INGRESS,
+ ICE_ESWITCH_FLTR_EGRESS,
+};
+
+struct ice_tc_flower_fltr {
+ struct hlist_node tc_flower_node;
+
+ /* cookie becomes filter_rule_id if rule is added successfully */
+ unsigned long cookie;
+
+ /* add_adv_rule returns information like recipe ID, rule_id. Store
+ * those values since they are needed to remove advanced rule
+ */
+ u16 rid;
+ u16 rule_id;
+ /* this could be queue/vsi_idx (sw handle)/queue_group, depending upon
+ * destination type
+ */
+ u16 dest_id;
+ /* if dest_id is vsi_idx, then need to store destination VSI ptr */
+ struct ice_vsi *dest_vsi;
+ /* direction of fltr for eswitch use case */
+ enum ice_eswitch_fltr_direction direction;
+
+ /* Parsed TC flower configuration params */
+ struct ice_tc_flower_lyr_2_4_hdrs outer_headers;
+ struct ice_tc_flower_lyr_2_4_hdrs inner_headers;
+ struct ice_vsi *src_vsi;
+ __be32 tenant_id;
+ u32 flags;
+ u8 tunnel_type;
+ struct ice_tc_flower_action action;
+
+ /* cache ptr which is used wherever needed to communicate netlink
+ * messages
+ */
+ struct netlink_ext_ack *extack;
+};
+
+/**
+ * ice_is_chnl_fltr - is this a valid channel filter
+ * @f: Pointer to tc-flower filter
+ *
+ * Criteria to determine of given filter is valid channel filter
+ * or not is based on its "destination". If destination is hw_tc (aka tc_class)
+ * and it is non-zero, then it is valid channel (aka ADQ) filter
+ */
+static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f)
+{
+ return !!f->action.tc_class;
+}
+
+/**
+ * ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count
+ * @pf: Pointer to PF
+ */
+static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf)
+{
+ return pf->num_dmac_chnl_fltrs;
+}
+
+int
+ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi,
+ struct flow_cls_offload *cls_flower);
+int
+ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower);
+void ice_replay_tc_fltrs(struct ice_pf *pf);
+bool ice_is_tunnel_supported(struct net_device *dev);
+
+#endif /* _ICE_TC_LIB_H_ */