1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2020 Intel Corporation 3 */ 4 5 #ifndef _ICE_FDIR_H_ 6 #define _ICE_FDIR_H_ 7 8 #include "ice_common.h" 9 10 #define ICE_FDIR_IP_PROTOCOLS 11 #define ICE_IP_PROTO_TCP 6 12 #define ICE_IP_PROTO_UDP 17 13 #define ICE_IP_PROTO_SCTP 132 14 #define ICE_IP_PROTO_IP 0 15 #define ICE_IP_PROTO_ESP 50 16 17 #define ICE_FDIR_TUN_PKT_OFF 50 18 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF) 19 #define ICE_FDIR_BUF_FULL_MARGIN 10 20 #define ICE_FDIR_BUF_HEAD_ROOM 32 21 22 /* macros for offsets into packets for flow director programming */ 23 #define ICE_IPV4_SRC_ADDR_OFFSET 26 24 #define ICE_IPV4_DST_ADDR_OFFSET 30 25 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34 26 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36 27 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34 28 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36 29 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34 30 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36 31 #define ICE_IPV4_PROTO_OFFSET 23 32 #define ICE_IPV6_SRC_ADDR_OFFSET 22 33 #define ICE_IPV6_DST_ADDR_OFFSET 38 34 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54 35 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56 36 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54 37 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56 38 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54 39 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56 40 41 #define ICE_MAC_ETHTYPE_OFFSET 12 42 #define ICE_IPV4_TOS_OFFSET 15 43 #define ICE_IPV4_TTL_OFFSET 22 44 #define ICE_IPV6_TC_OFFSET 14 45 #define ICE_IPV6_HLIM_OFFSET 21 46 #define ICE_IPV6_PROTO_OFFSET 20 47 #define ICE_IPV4_GTPU_TEID_OFFSET 46 48 #define ICE_IPV4_GTPU_QFI_OFFSET 56 49 #define ICE_IPV6_GTPU_TEID_OFFSET 66 50 #define ICE_IPV6_GTPU_QFI_OFFSET 76 51 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34 52 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54 53 #define ICE_IPV4_ESP_SPI_OFFSET 34 54 #define ICE_IPV6_ESP_SPI_OFFSET 54 55 #define ICE_IPV4_AH_SPI_OFFSET 38 56 #define ICE_IPV6_AH_SPI_OFFSET 58 57 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42 58 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62 59 60 #define ICE_FDIR_MAX_FLTRS 16384 61 62 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF 63 * requests that the packet not be fragmented. MF indicates that a packet has 64 * been fragmented. 65 */ 66 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 67 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40 68 69 enum ice_fltr_prgm_desc_dest { 70 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, 71 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX, 72 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP, 73 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER, 74 }; 75 76 enum ice_fltr_prgm_desc_fd_status { 77 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE, 78 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID, 79 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES, 80 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES, 81 }; 82 83 /* Flow Director (FD) Filter Programming descriptor */ 84 struct ice_fd_fltr_desc_ctx { 85 u32 fdid; 86 u16 qindex; 87 u16 cnt_index; 88 u16 fd_vsi; 89 u16 flex_val; 90 u8 comp_q; 91 u8 comp_report; 92 u8 fd_space; 93 u8 cnt_ena; 94 u8 evict_ena; 95 u8 toq; 96 u8 toq_prio; 97 u8 dpu_recipe; 98 u8 drop; 99 u8 flex_prio; 100 u8 flex_mdid; 101 u8 dtype; 102 u8 pcmd; 103 u8 desc_prof_prio; 104 u8 desc_prof; 105 u8 swap; 106 u8 fdid_prio; 107 u8 fdid_mdid; 108 }; 109 110 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16) 111 112 struct ice_rx_flow_userdef { 113 u16 flex_word; 114 u16 flex_offset; 115 u16 flex_fltr; 116 }; 117 118 struct ice_fdir_v4 { 119 __be32 dst_ip; 120 __be32 src_ip; 121 __be16 dst_port; 122 __be16 src_port; 123 __be32 l4_header; 124 __be32 sec_parm_idx; /* security parameter index */ 125 u8 tos; 126 u8 ip_ver; 127 u8 proto; 128 u8 ttl; 129 }; 130 131 #define ICE_IPV6_ADDR_LEN_AS_U32 4 132 133 struct ice_fdir_v6 { 134 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 135 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 136 __be16 dst_port; 137 __be16 src_port; 138 __be32 l4_header; /* next header */ 139 __be32 sec_parm_idx; /* security parameter index */ 140 u8 tc; 141 u8 proto; 142 u8 hlim; 143 }; 144 145 struct ice_fdir_udp_gtp { 146 u8 flags; 147 u8 msg_type; 148 __be16 rsrvd_len; 149 __be32 teid; 150 __be16 rsrvd_seq_nbr; 151 u8 rsrvd_n_pdu_nbr; 152 u8 rsrvd_next_ext_type; 153 u8 rsvrd_ext_len; 154 u8 pdu_type:4, 155 spare:4; 156 u8 ppp:1, 157 rqi:1, 158 qfi:6; 159 u32 rsvrd; 160 u8 next_ext; 161 }; 162 163 struct ice_fdir_l2tpv3 { 164 __be32 session_id; 165 }; 166 167 struct ice_fdir_extra { 168 u8 dst_mac[ETH_ALEN]; /* dest MAC address */ 169 __be16 ether_type; /* for NON_IP_L2 */ 170 u32 usr_def[2]; /* user data */ 171 __be16 vlan_type; /* VLAN ethertype */ 172 __be16 vlan_tag; /* VLAN tag info */ 173 }; 174 175 struct ice_fdir_fltr { 176 struct LIST_ENTRY_TYPE fltr_node; 177 enum ice_fltr_ptype flow_type; 178 179 union { 180 struct ice_fdir_v4 v4; 181 struct ice_fdir_v6 v6; 182 } ip, mask; 183 184 struct ice_fdir_udp_gtp gtpu_data; 185 struct ice_fdir_udp_gtp gtpu_mask; 186 187 struct ice_fdir_l2tpv3 l2tpv3_data; 188 struct ice_fdir_l2tpv3 l2tpv3_mask; 189 190 struct ice_fdir_extra ext_data; 191 struct ice_fdir_extra ext_mask; 192 193 /* flex byte filter data */ 194 __be16 flex_word; 195 /* queue region size (=2^q_region) */ 196 u8 q_region; 197 u16 flex_offset; 198 u16 flex_fltr; 199 200 /* filter control */ 201 u16 q_index; 202 u16 dest_vsi; 203 u8 dest_ctl; 204 u8 cnt_ena; 205 u8 fltr_status; 206 u16 cnt_index; 207 u32 fltr_id; 208 u8 fdid_prio; 209 u8 comp_report; 210 /* Set to true for an ACL filter */ 211 bool acl_fltr; 212 }; 213 214 /* Dummy packet filter definition structure */ 215 struct ice_fdir_base_pkt { 216 enum ice_fltr_ptype flow; 217 u16 pkt_len; 218 const u8 *pkt; 219 u16 tun_pkt_len; 220 const u8 *tun_pkt; 221 }; 222 223 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); 224 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); 225 void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx); 226 enum ice_status 227 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 228 enum ice_status 229 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 230 enum ice_status 231 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 232 enum ice_status 233 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 234 enum ice_status ice_clear_vsi_fd_table(struct ice_hw *hw, u16 vsi_num); 235 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw); 236 void 237 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input, 238 struct ice_fltr_desc *fdesc, bool add); 239 enum ice_status 240 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, 241 u8 *pkt, bool frag, bool tun); 242 enum ice_status 243 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag); 244 int ice_get_fdir_cnt_all(struct ice_hw *hw); 245 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 246 bool ice_fdir_has_frag(enum ice_fltr_ptype flow); 247 struct ice_fdir_fltr * 248 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx); 249 void 250 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, 251 bool acl_fltr, bool add); 252 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 253 #endif /* _ICE_FDIR_H_ */ 254