1148beb61SHenry Tieman /* SPDX-License-Identifier: GPL-2.0 */ 2148beb61SHenry Tieman /* Copyright (C) 2018-2020, Intel Corporation. */ 3148beb61SHenry Tieman 4148beb61SHenry Tieman #ifndef _ICE_FDIR_H_ 5148beb61SHenry Tieman #define _ICE_FDIR_H_ 64ab95646SHenry Tieman 7cac2a27cSHenry Tieman #define ICE_FDIR_TUN_PKT_OFF 50 8cac2a27cSHenry Tieman #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF) 9cac2a27cSHenry Tieman 10cac2a27cSHenry Tieman /* macros for offsets into packets for flow director programming */ 11cac2a27cSHenry Tieman #define ICE_IPV4_SRC_ADDR_OFFSET 26 12cac2a27cSHenry Tieman #define ICE_IPV4_DST_ADDR_OFFSET 30 13cac2a27cSHenry Tieman #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34 14cac2a27cSHenry Tieman #define ICE_IPV4_TCP_DST_PORT_OFFSET 36 15cac2a27cSHenry Tieman #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34 16cac2a27cSHenry Tieman #define ICE_IPV4_UDP_DST_PORT_OFFSET 36 17cac2a27cSHenry Tieman #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34 18cac2a27cSHenry Tieman #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36 19cac2a27cSHenry Tieman #define ICE_IPV4_PROTO_OFFSET 23 20cac2a27cSHenry Tieman #define ICE_IPV6_SRC_ADDR_OFFSET 22 21cac2a27cSHenry Tieman #define ICE_IPV6_DST_ADDR_OFFSET 38 22cac2a27cSHenry Tieman #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54 23cac2a27cSHenry Tieman #define ICE_IPV6_TCP_DST_PORT_OFFSET 56 24cac2a27cSHenry Tieman #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54 25cac2a27cSHenry Tieman #define ICE_IPV6_UDP_DST_PORT_OFFSET 56 26cac2a27cSHenry Tieman #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54 27cac2a27cSHenry Tieman #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56 28cac2a27cSHenry Tieman /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF 29cac2a27cSHenry Tieman * requests that the packet not be fragmented. MF indicates that a packet has 30cac2a27cSHenry Tieman * been fragmented. 31cac2a27cSHenry Tieman */ 32cac2a27cSHenry Tieman #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 33cac2a27cSHenry Tieman 344ab95646SHenry Tieman enum ice_fltr_prgm_desc_dest { 354ab95646SHenry Tieman ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, 364ab95646SHenry Tieman ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX, 374ab95646SHenry Tieman }; 384ab95646SHenry Tieman 39cac2a27cSHenry Tieman enum ice_fltr_prgm_desc_fd_status { 40cac2a27cSHenry Tieman ICE_FLTR_PRGM_DESC_FD_STATUS_NONE, 41cac2a27cSHenry Tieman ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID, 42cac2a27cSHenry Tieman }; 43cac2a27cSHenry Tieman 44cac2a27cSHenry Tieman /* Flow Director (FD) Filter Programming descriptor */ 45cac2a27cSHenry Tieman struct ice_fd_fltr_desc_ctx { 46cac2a27cSHenry Tieman u32 fdid; 47cac2a27cSHenry Tieman u16 qindex; 48cac2a27cSHenry Tieman u16 cnt_index; 49cac2a27cSHenry Tieman u16 fd_vsi; 50cac2a27cSHenry Tieman u16 flex_val; 51cac2a27cSHenry Tieman u8 comp_q; 52cac2a27cSHenry Tieman u8 comp_report; 53cac2a27cSHenry Tieman u8 fd_space; 54cac2a27cSHenry Tieman u8 cnt_ena; 55cac2a27cSHenry Tieman u8 evict_ena; 56cac2a27cSHenry Tieman u8 toq; 57cac2a27cSHenry Tieman u8 toq_prio; 58cac2a27cSHenry Tieman u8 dpu_recipe; 59cac2a27cSHenry Tieman u8 drop; 60cac2a27cSHenry Tieman u8 flex_prio; 61cac2a27cSHenry Tieman u8 flex_mdid; 62cac2a27cSHenry Tieman u8 dtype; 63cac2a27cSHenry Tieman u8 pcmd; 64cac2a27cSHenry Tieman u8 desc_prof_prio; 65cac2a27cSHenry Tieman u8 desc_prof; 66cac2a27cSHenry Tieman u8 swap; 67cac2a27cSHenry Tieman u8 fdid_prio; 68cac2a27cSHenry Tieman u8 fdid_mdid; 69cac2a27cSHenry Tieman }; 70cac2a27cSHenry Tieman 714ab95646SHenry Tieman struct ice_fdir_v4 { 724ab95646SHenry Tieman __be32 dst_ip; 734ab95646SHenry Tieman __be32 src_ip; 744ab95646SHenry Tieman __be16 dst_port; 754ab95646SHenry Tieman __be16 src_port; 764ab95646SHenry Tieman __be32 l4_header; 774ab95646SHenry Tieman __be32 sec_parm_idx; /* security parameter index */ 784ab95646SHenry Tieman u8 tos; 794ab95646SHenry Tieman u8 ip_ver; 804ab95646SHenry Tieman u8 proto; 814ab95646SHenry Tieman }; 824ab95646SHenry Tieman 834ab95646SHenry Tieman struct ice_fdir_extra { 844ab95646SHenry Tieman u8 dst_mac[ETH_ALEN]; /* dest MAC address */ 854ab95646SHenry Tieman u32 usr_def[2]; /* user data */ 864ab95646SHenry Tieman __be16 vlan_type; /* VLAN ethertype */ 874ab95646SHenry Tieman __be16 vlan_tag; /* VLAN tag info */ 884ab95646SHenry Tieman }; 894ab95646SHenry Tieman 904ab95646SHenry Tieman struct ice_fdir_fltr { 914ab95646SHenry Tieman struct list_head fltr_node; 924ab95646SHenry Tieman enum ice_fltr_ptype flow_type; 934ab95646SHenry Tieman 944ab95646SHenry Tieman struct ice_fdir_v4 ip; 954ab95646SHenry Tieman struct ice_fdir_v4 mask; 964ab95646SHenry Tieman 974ab95646SHenry Tieman struct ice_fdir_extra ext_data; 984ab95646SHenry Tieman struct ice_fdir_extra ext_mask; 994ab95646SHenry Tieman 1004ab95646SHenry Tieman /* filter control */ 1014ab95646SHenry Tieman u16 q_index; 1024ab95646SHenry Tieman u16 dest_vsi; 1034ab95646SHenry Tieman u8 dest_ctl; 1044ab95646SHenry Tieman u8 fltr_status; 1054ab95646SHenry Tieman u16 cnt_index; 1064ab95646SHenry Tieman u32 fltr_id; 1074ab95646SHenry Tieman }; 1084ab95646SHenry Tieman 109cac2a27cSHenry Tieman /* Dummy packet filter definition structure */ 110cac2a27cSHenry Tieman struct ice_fdir_base_pkt { 111cac2a27cSHenry Tieman enum ice_fltr_ptype flow; 112cac2a27cSHenry Tieman u16 pkt_len; 113cac2a27cSHenry Tieman const u8 *pkt; 114cac2a27cSHenry Tieman u16 tun_pkt_len; 115cac2a27cSHenry Tieman const u8 *tun_pkt; 116cac2a27cSHenry Tieman }; 117cac2a27cSHenry Tieman 118148beb61SHenry Tieman enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); 119148beb61SHenry Tieman enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); 120148beb61SHenry Tieman enum ice_status 121148beb61SHenry Tieman ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 122148beb61SHenry Tieman enum ice_status 123148beb61SHenry Tieman ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 124cac2a27cSHenry Tieman void 125cac2a27cSHenry Tieman ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input, 126cac2a27cSHenry Tieman struct ice_fltr_desc *fdesc, bool add); 127cac2a27cSHenry Tieman enum ice_status 128cac2a27cSHenry Tieman ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, 129cac2a27cSHenry Tieman u8 *pkt, bool frag, bool tun); 1304ab95646SHenry Tieman int ice_get_fdir_cnt_all(struct ice_hw *hw); 131cac2a27cSHenry Tieman bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 132cac2a27cSHenry Tieman bool ice_fdir_has_frag(enum ice_fltr_ptype flow); 1334ab95646SHenry Tieman struct ice_fdir_fltr * 1344ab95646SHenry Tieman ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx); 135cac2a27cSHenry Tieman void 136cac2a27cSHenry Tieman ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add); 137cac2a27cSHenry Tieman void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 138148beb61SHenry Tieman #endif /* _ICE_FDIR_H_ */ 139