/* 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_FLWR_FIELD_ENC_OPTS BIT(18) #define ICE_TC_FLWR_FIELD_CVLAN BIT(19) #define ICE_TC_FLWR_FIELD_PPPOE_SESSID BIT(20) #define ICE_TC_FLWR_FIELD_PPP_PROTO BIT(21) #define ICE_TC_FLWR_FIELD_IP_TOS BIT(22) #define ICE_TC_FLWR_FIELD_IP_TTL BIT(23) #define ICE_TC_FLWR_FIELD_ENC_IP_TOS BIT(24) #define ICE_TC_FLWR_FIELD_ENC_IP_TTL BIT(25) #define ICE_TC_FLWR_FIELD_L2TPV3_SESSID BIT(26) #define ICE_TC_FLWR_FIELD_VLAN_PRIO BIT(27) #define ICE_TC_FLWR_FIELD_CVLAN_PRIO BIT(28) #define ICE_TC_FLWR_FIELD_VLAN_TPID BIT(29) #define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF #define ICE_IPV6_HDR_TC_MASK 0xFF00000 struct ice_indr_block_priv { struct net_device *netdev; struct ice_netdev_priv *np; struct list_head list; }; struct ice_tc_flower_action { /* forward action specific params */ union { struct { u32 tc_class; /* forward to hw_tc */ u32 rsvd; } tc; struct { u16 queue; /* forward to queue */ /* To add filter in HW, absolute queue number in global * space of queues (between 0...N) is needed */ u16 hw_queue; } q; } fwd; enum ice_sw_fwd_act_type fltr_act; }; struct ice_tc_vlan_hdr { __be16 vlan_id; /* Only last 12 bits valid */ __be16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */ __be16 vlan_tpid; }; struct ice_tc_pppoe_hdr { __be16 session_id; __be16 ppp_proto; }; 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_l2tpv3_hdr { __be32 session_id; }; 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; struct ice_tc_vlan_hdr cvlan_hdr; struct ice_tc_pppoe_hdr pppoe_hdr; struct ice_tc_l2tpv3_hdr l2tpv3_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; /* VSI handle of the destination VSI (it could be main PF VSI, CHNL_VSI, * VF VSI) */ u16 dest_vsi_handle; /* ptr to destination VSI */ 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; struct gtp_pdu_session_info gtp_pdu_info_keys; struct gtp_pdu_session_info gtp_pdu_info_masks; 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. * For forward to VSI action, if destination is valid hw_tc (aka tc_class) * and in supported range of TCs for ADQ, then return true. * For forward to queue, as long as dest_vsi is valid and it is of type * VSI_CHNL (PF ADQ VSI is of type VSI_CHNL), return true. * NOTE: For forward to queue, correct dest_vsi is still set in tc_fltr based * on destination queue specified. */ static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f) { if (f->action.fltr_act == ICE_FWD_TO_VSI) return f->action.fwd.tc.tc_class >= ICE_CHNL_START_TC && f->action.fwd.tc.tc_class < ICE_CHNL_MAX_TC; else if (f->action.fltr_act == ICE_FWD_TO_Q) return f->dest_vsi && f->dest_vsi->type == ICE_VSI_CHNL; return false; } /** * 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; } struct ice_vsi *ice_locate_vsi_using_queue(struct ice_vsi *vsi, int queue); 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); static inline bool ice_is_forward_action(enum ice_sw_fwd_act_type fltr_act) { switch (fltr_act) { case ICE_FWD_TO_VSI: case ICE_FWD_TO_Q: return true; default: return false; } } #endif /* _ICE_TC_LIB_H_ */