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 2821606584SQi Zhang #define ICE_MAC_ETHTYPE_OFFSET 12 29b199dddbSQi Zhang #define ICE_IPV4_TOS_OFFSET 15 30b199dddbSQi Zhang #define ICE_IPV4_TTL_OFFSET 22 31b199dddbSQi Zhang #define ICE_IPV6_TC_OFFSET 14 32b199dddbSQi Zhang #define ICE_IPV6_HLIM_OFFSET 21 33b199dddbSQi Zhang #define ICE_IPV6_PROTO_OFFSET 20 34ef9e4cc5SQi Zhang #define ICE_IPV4_GTPU_TEID_OFFSET 46 35ef9e4cc5SQi Zhang #define ICE_IPV4_GTPU_QFI_OFFSET 56 36*213528feSQi Zhang #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34 37*213528feSQi Zhang #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54 38*213528feSQi Zhang #define ICE_IPV4_ESP_SPI_OFFSET 34 39*213528feSQi Zhang #define ICE_IPV6_ESP_SPI_OFFSET 54 40*213528feSQi Zhang #define ICE_IPV4_AH_SPI_OFFSET 38 41*213528feSQi Zhang #define ICE_IPV6_AH_SPI_OFFSET 58 42*213528feSQi Zhang #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42 43*213528feSQi Zhang #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62 44b199dddbSQi Zhang 451f7ea1cdSQi Zhang #define ICE_FDIR_MAX_FLTRS 16384 461f7ea1cdSQi Zhang 47cac2a27cSHenry Tieman /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF 48cac2a27cSHenry Tieman * requests that the packet not be fragmented. MF indicates that a packet has 49cac2a27cSHenry Tieman * been fragmented. 50cac2a27cSHenry Tieman */ 51cac2a27cSHenry Tieman #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 52cac2a27cSHenry Tieman 534ab95646SHenry Tieman enum ice_fltr_prgm_desc_dest { 544ab95646SHenry Tieman ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, 554ab95646SHenry Tieman ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX, 56346bf250SQi Zhang ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP, 57346bf250SQi Zhang ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER, 584ab95646SHenry Tieman }; 594ab95646SHenry Tieman 60cac2a27cSHenry Tieman enum ice_fltr_prgm_desc_fd_status { 61cac2a27cSHenry Tieman ICE_FLTR_PRGM_DESC_FD_STATUS_NONE, 62cac2a27cSHenry Tieman ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID, 63cac2a27cSHenry Tieman }; 64cac2a27cSHenry Tieman 65cac2a27cSHenry Tieman /* Flow Director (FD) Filter Programming descriptor */ 66cac2a27cSHenry Tieman struct ice_fd_fltr_desc_ctx { 67cac2a27cSHenry Tieman u32 fdid; 68cac2a27cSHenry Tieman u16 qindex; 69cac2a27cSHenry Tieman u16 cnt_index; 70cac2a27cSHenry Tieman u16 fd_vsi; 71cac2a27cSHenry Tieman u16 flex_val; 72cac2a27cSHenry Tieman u8 comp_q; 73cac2a27cSHenry Tieman u8 comp_report; 74cac2a27cSHenry Tieman u8 fd_space; 75cac2a27cSHenry Tieman u8 cnt_ena; 76cac2a27cSHenry Tieman u8 evict_ena; 77cac2a27cSHenry Tieman u8 toq; 78cac2a27cSHenry Tieman u8 toq_prio; 79cac2a27cSHenry Tieman u8 dpu_recipe; 80cac2a27cSHenry Tieman u8 drop; 81cac2a27cSHenry Tieman u8 flex_prio; 82cac2a27cSHenry Tieman u8 flex_mdid; 83cac2a27cSHenry Tieman u8 dtype; 84cac2a27cSHenry Tieman u8 pcmd; 85cac2a27cSHenry Tieman u8 desc_prof_prio; 86cac2a27cSHenry Tieman u8 desc_prof; 87cac2a27cSHenry Tieman u8 swap; 88cac2a27cSHenry Tieman u8 fdid_prio; 89cac2a27cSHenry Tieman u8 fdid_mdid; 90cac2a27cSHenry Tieman }; 91cac2a27cSHenry Tieman 922c57ffcbSHenry Tieman #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16) 932c57ffcbSHenry Tieman 942c57ffcbSHenry Tieman struct ice_rx_flow_userdef { 952c57ffcbSHenry Tieman u16 flex_word; 962c57ffcbSHenry Tieman u16 flex_offset; 972c57ffcbSHenry Tieman u16 flex_fltr; 982c57ffcbSHenry Tieman }; 992c57ffcbSHenry Tieman 1004ab95646SHenry Tieman struct ice_fdir_v4 { 1014ab95646SHenry Tieman __be32 dst_ip; 1024ab95646SHenry Tieman __be32 src_ip; 1034ab95646SHenry Tieman __be16 dst_port; 1044ab95646SHenry Tieman __be16 src_port; 1054ab95646SHenry Tieman __be32 l4_header; 1064ab95646SHenry Tieman __be32 sec_parm_idx; /* security parameter index */ 1074ab95646SHenry Tieman u8 tos; 1084ab95646SHenry Tieman u8 ip_ver; 1094ab95646SHenry Tieman u8 proto; 110b199dddbSQi Zhang u8 ttl; 1114ab95646SHenry Tieman }; 1124ab95646SHenry Tieman 113165d80d6SHenry Tieman #define ICE_IPV6_ADDR_LEN_AS_U32 4 114165d80d6SHenry Tieman 115165d80d6SHenry Tieman struct ice_fdir_v6 { 116165d80d6SHenry Tieman __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 117165d80d6SHenry Tieman __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 118165d80d6SHenry Tieman __be16 dst_port; 119165d80d6SHenry Tieman __be16 src_port; 120165d80d6SHenry Tieman __be32 l4_header; /* next header */ 121165d80d6SHenry Tieman __be32 sec_parm_idx; /* security parameter index */ 122165d80d6SHenry Tieman u8 tc; 123165d80d6SHenry Tieman u8 proto; 124b199dddbSQi Zhang u8 hlim; 125165d80d6SHenry Tieman }; 126165d80d6SHenry Tieman 127ef9e4cc5SQi Zhang struct ice_fdir_udp_gtp { 128ef9e4cc5SQi Zhang u8 flags; 129ef9e4cc5SQi Zhang u8 msg_type; 130ef9e4cc5SQi Zhang __be16 rsrvd_len; 131ef9e4cc5SQi Zhang __be32 teid; 132ef9e4cc5SQi Zhang __be16 rsrvd_seq_nbr; 133ef9e4cc5SQi Zhang u8 rsrvd_n_pdu_nbr; 134ef9e4cc5SQi Zhang u8 rsrvd_next_ext_type; 135ef9e4cc5SQi Zhang u8 rsvrd_ext_len; 136ef9e4cc5SQi Zhang u8 pdu_type:4, 137ef9e4cc5SQi Zhang spare:4; 138ef9e4cc5SQi Zhang u8 ppp:1, 139ef9e4cc5SQi Zhang rqi:1, 140ef9e4cc5SQi Zhang qfi:6; 141ef9e4cc5SQi Zhang u32 rsvrd; 142ef9e4cc5SQi Zhang u8 next_ext; 143ef9e4cc5SQi Zhang }; 144ef9e4cc5SQi Zhang 145*213528feSQi Zhang struct ice_fdir_l2tpv3 { 146*213528feSQi Zhang __be32 session_id; 147*213528feSQi Zhang }; 148*213528feSQi Zhang 1494ab95646SHenry Tieman struct ice_fdir_extra { 1504ab95646SHenry Tieman u8 dst_mac[ETH_ALEN]; /* dest MAC address */ 151390bd141SQi Zhang u8 src_mac[ETH_ALEN]; /* src MAC address */ 15221606584SQi Zhang __be16 ether_type; /* for NON_IP_L2 */ 1534ab95646SHenry Tieman u32 usr_def[2]; /* user data */ 1544ab95646SHenry Tieman __be16 vlan_type; /* VLAN ethertype */ 1554ab95646SHenry Tieman __be16 vlan_tag; /* VLAN tag info */ 1564ab95646SHenry Tieman }; 1574ab95646SHenry Tieman 1584ab95646SHenry Tieman struct ice_fdir_fltr { 1594ab95646SHenry Tieman struct list_head fltr_node; 1604ab95646SHenry Tieman enum ice_fltr_ptype flow_type; 1614ab95646SHenry Tieman 162165d80d6SHenry Tieman union { 163165d80d6SHenry Tieman struct ice_fdir_v4 v4; 164165d80d6SHenry Tieman struct ice_fdir_v6 v6; 165165d80d6SHenry Tieman } ip, mask; 1664ab95646SHenry Tieman 167ef9e4cc5SQi Zhang struct ice_fdir_udp_gtp gtpu_data; 168ef9e4cc5SQi Zhang struct ice_fdir_udp_gtp gtpu_mask; 169ef9e4cc5SQi Zhang 170*213528feSQi Zhang struct ice_fdir_l2tpv3 l2tpv3_data; 171*213528feSQi Zhang struct ice_fdir_l2tpv3 l2tpv3_mask; 172*213528feSQi Zhang 1734ab95646SHenry Tieman struct ice_fdir_extra ext_data; 1744ab95646SHenry Tieman struct ice_fdir_extra ext_mask; 1754ab95646SHenry Tieman 1762c57ffcbSHenry Tieman /* flex byte filter data */ 1772c57ffcbSHenry Tieman __be16 flex_word; 178346bf250SQi Zhang /* queue region size (=2^q_region) */ 179346bf250SQi Zhang u8 q_region; 1802c57ffcbSHenry Tieman u16 flex_offset; 1812c57ffcbSHenry Tieman u16 flex_fltr; 1822c57ffcbSHenry Tieman 1834ab95646SHenry Tieman /* filter control */ 1844ab95646SHenry Tieman u16 q_index; 1854ab95646SHenry Tieman u16 dest_vsi; 1864ab95646SHenry Tieman u8 dest_ctl; 1871f7ea1cdSQi Zhang u8 cnt_ena; 1884ab95646SHenry Tieman u8 fltr_status; 1894ab95646SHenry Tieman u16 cnt_index; 1904ab95646SHenry Tieman u32 fltr_id; 1911f7ea1cdSQi Zhang u8 fdid_prio; 1921f7ea1cdSQi Zhang u8 comp_report; 1934ab95646SHenry Tieman }; 1944ab95646SHenry Tieman 195cac2a27cSHenry Tieman /* Dummy packet filter definition structure */ 196cac2a27cSHenry Tieman struct ice_fdir_base_pkt { 197cac2a27cSHenry Tieman enum ice_fltr_ptype flow; 198cac2a27cSHenry Tieman u16 pkt_len; 199cac2a27cSHenry Tieman const u8 *pkt; 200cac2a27cSHenry Tieman u16 tun_pkt_len; 201cac2a27cSHenry Tieman const u8 *tun_pkt; 202cac2a27cSHenry Tieman }; 203cac2a27cSHenry Tieman 204148beb61SHenry Tieman enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); 205148beb61SHenry Tieman enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); 206148beb61SHenry Tieman enum ice_status 207148beb61SHenry Tieman ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 208148beb61SHenry Tieman enum ice_status 209148beb61SHenry Tieman ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 210cac2a27cSHenry Tieman void 211cac2a27cSHenry Tieman ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input, 212cac2a27cSHenry Tieman struct ice_fltr_desc *fdesc, bool add); 213cac2a27cSHenry Tieman enum ice_status 214cac2a27cSHenry Tieman ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, 215cac2a27cSHenry Tieman u8 *pkt, bool frag, bool tun); 2164ab95646SHenry Tieman int ice_get_fdir_cnt_all(struct ice_hw *hw); 217cac2a27cSHenry Tieman bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 218cac2a27cSHenry Tieman bool ice_fdir_has_frag(enum ice_fltr_ptype flow); 2194ab95646SHenry Tieman struct ice_fdir_fltr * 2204ab95646SHenry Tieman ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx); 221cac2a27cSHenry Tieman void 222cac2a27cSHenry Tieman ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add); 223cac2a27cSHenry Tieman void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 224148beb61SHenry Tieman #endif /* _ICE_FDIR_H_ */ 225