1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2021 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_GTPU_IP_INNER_PKT_OFF 50 18 #define ICE_FDIR_GTPU_EH_INNER_PKT_OFF 58 19 20 #define ICE_FDIR_TUN_PKT_OFF 50 21 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF) 22 #define ICE_FDIR_BUF_FULL_MARGIN 10 23 24 /* macros for offsets into packets for flow director programming */ 25 #define ICE_IPV4_SRC_ADDR_OFFSET 26 26 #define ICE_IPV4_DST_ADDR_OFFSET 30 27 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34 28 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36 29 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34 30 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36 31 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34 32 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36 33 #define ICE_IPV4_PROTO_OFFSET 23 34 #define ICE_IPV6_SRC_ADDR_OFFSET 22 35 #define ICE_IPV6_DST_ADDR_OFFSET 38 36 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54 37 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56 38 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54 39 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56 40 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54 41 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56 42 43 #define ICE_MAC_ETHTYPE_OFFSET 12 44 #define ICE_IPV4_TOS_OFFSET 15 45 #define ICE_IPV4_TTL_OFFSET 22 46 #define ICE_IPV6_TC_OFFSET 14 47 #define ICE_IPV6_HLIM_OFFSET 21 48 #define ICE_IPV6_PROTO_OFFSET 20 49 /* For TUN inner (without inner MAC) */ 50 #define ICE_IPV4_NO_MAC_TOS_OFFSET 1 51 #define ICE_IPV4_NO_MAC_TTL_OFFSET 8 52 #define ICE_IPV4_NO_MAC_PROTO_OFFSET 9 53 #define ICE_IPV4_NO_MAC_SRC_ADDR_OFFSET 12 54 #define ICE_IPV4_NO_MAC_DST_ADDR_OFFSET 16 55 #define ICE_TCP4_NO_MAC_SRC_PORT_OFFSET 20 56 #define ICE_TCP4_NO_MAC_DST_PORT_OFFSET 22 57 #define ICE_UDP4_NO_MAC_SRC_PORT_OFFSET 20 58 #define ICE_UDP4_NO_MAC_DST_PORT_OFFSET 22 59 #define ICE_IPV6_NO_MAC_TC_OFFSET 0 60 #define ICE_IPV6_NO_MAC_HLIM_OFFSET 7 61 #define ICE_IPV6_NO_MAC_PROTO_OFFSET 6 62 #define ICE_IPV6_NO_MAC_SRC_ADDR_OFFSET 8 63 #define ICE_IPV6_NO_MAC_DST_ADDR_OFFSET 24 64 #define ICE_TCP6_NO_MAC_SRC_PORT_OFFSET 40 65 #define ICE_TCP6_NO_MAC_DST_PORT_OFFSET 42 66 #define ICE_UDP6_NO_MAC_SRC_PORT_OFFSET 40 67 #define ICE_UDP6_NO_MAC_DST_PORT_OFFSET 42 68 #define ICE_IPV4_GTPU_TEID_OFFSET 46 69 #define ICE_IPV4_GTPU_QFI_OFFSET 56 70 #define ICE_IPV6_GTPU_TEID_OFFSET 66 71 #define ICE_IPV6_GTPU_QFI_OFFSET 76 72 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34 73 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54 74 #define ICE_IPV4_ESP_SPI_OFFSET 34 75 #define ICE_IPV6_ESP_SPI_OFFSET 54 76 #define ICE_IPV4_AH_SPI_OFFSET 38 77 #define ICE_IPV6_AH_SPI_OFFSET 58 78 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42 79 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62 80 #define ICE_IPV4_VXLAN_VNI_OFFSET 45 81 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18 82 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46 83 84 #define ICE_FDIR_MAX_FLTRS 16384 85 86 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF 87 * requests that the packet not be fragmented. MF indicates that a packet has 88 * been fragmented. 89 */ 90 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 91 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40 92 93 enum ice_fltr_prgm_desc_dest { 94 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, 95 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX, 96 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP, 97 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER, 98 }; 99 100 enum ice_fltr_prgm_desc_fd_status { 101 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE, 102 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID, 103 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES, 104 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES, 105 }; 106 107 /* Flow Director (FD) Filter Programming descriptor */ 108 struct ice_fd_fltr_desc_ctx { 109 u32 fdid; 110 u16 qindex; 111 u16 cnt_index; 112 u16 fd_vsi; 113 u16 flex_val; 114 u8 comp_q; 115 u8 comp_report; 116 u8 fd_space; 117 u8 cnt_ena; 118 u8 evict_ena; 119 u8 toq; 120 u8 toq_prio; 121 u8 dpu_recipe; 122 u8 drop; 123 u8 flex_prio; 124 u8 flex_mdid; 125 u8 dtype; 126 u8 pcmd; 127 u8 desc_prof_prio; 128 u8 desc_prof; 129 u8 swap; 130 u8 fdid_prio; 131 u8 fdid_mdid; 132 }; 133 134 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16) 135 136 struct ice_rx_flow_userdef { 137 u16 flex_word; 138 u16 flex_offset; 139 u16 flex_fltr; 140 }; 141 142 struct ice_fdir_v4 { 143 __be32 dst_ip; 144 __be32 src_ip; 145 __be16 dst_port; 146 __be16 src_port; 147 __be32 l4_header; 148 __be32 sec_parm_idx; /* security parameter index */ 149 u8 tos; 150 u8 ip_ver; 151 u8 proto; 152 u8 ttl; 153 }; 154 155 #define ICE_IPV6_ADDR_LEN_AS_U32 4 156 157 struct ice_fdir_v6 { 158 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 159 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 160 __be16 dst_port; 161 __be16 src_port; 162 __be32 l4_header; /* next header */ 163 __be32 sec_parm_idx; /* security parameter index */ 164 u8 tc; 165 u8 proto; 166 u8 hlim; 167 }; 168 169 struct ice_fdir_udp_gtp { 170 u8 flags; 171 u8 msg_type; 172 __be16 rsrvd_len; 173 __be32 teid; 174 __be16 rsrvd_seq_nbr; 175 u8 rsrvd_n_pdu_nbr; 176 u8 rsrvd_next_ext_type; 177 u8 rsvrd_ext_len; 178 u8 pdu_type:4, 179 spare:4; 180 u8 ppp:1, 181 rqi:1, 182 qfi:6; 183 u32 rsvrd; 184 u8 next_ext; 185 }; 186 187 struct ice_fdir_l2tpv3 { 188 __be32 session_id; 189 }; 190 191 struct ice_fdir_udp_vxlan { 192 __be32 vni; /* 8 bits reserved, always be zero */ 193 }; 194 195 struct ice_fdir_ecpri { 196 __be16 pc_id; 197 }; 198 199 struct ice_fdir_extra { 200 u8 dst_mac[ETH_ALEN]; /* dest MAC address */ 201 u8 src_mac[ETH_ALEN]; /* src MAC address */ 202 __be16 ether_type; /* for NON_IP_L2 */ 203 u32 usr_def[2]; /* user data */ 204 __be16 vlan_type; /* VLAN ethertype */ 205 __be16 vlan_tag; /* VLAN tag info */ 206 }; 207 208 struct ice_fdir_fltr { 209 struct LIST_ENTRY_TYPE fltr_node; 210 enum ice_fltr_ptype flow_type; 211 212 union { 213 struct ice_fdir_v4 v4; 214 struct ice_fdir_v6 v6; 215 } ip, mask; 216 217 /* for tunnel outer part */ 218 union { 219 struct ice_fdir_v4 v4; 220 struct ice_fdir_v6 v6; 221 } ip_outer, mask_outer; 222 223 struct ice_fdir_extra ext_data_outer; 224 struct ice_fdir_extra ext_mask_outer; 225 226 struct ice_fdir_udp_vxlan vxlan_data; 227 struct ice_fdir_udp_vxlan vxlan_mask; 228 229 struct ice_fdir_udp_gtp gtpu_data; 230 struct ice_fdir_udp_gtp gtpu_mask; 231 232 struct ice_fdir_l2tpv3 l2tpv3_data; 233 struct ice_fdir_l2tpv3 l2tpv3_mask; 234 235 struct ice_fdir_ecpri ecpri_data; 236 struct ice_fdir_ecpri ecpri_mask; 237 238 struct ice_fdir_extra ext_data; 239 struct ice_fdir_extra ext_mask; 240 241 /* flex byte filter data */ 242 __be16 flex_word; 243 /* queue region size (=2^q_region) */ 244 u8 q_region; 245 u16 flex_offset; 246 u16 flex_fltr; 247 248 /* filter control */ 249 u16 q_index; 250 u16 dest_vsi; 251 u8 dest_ctl; 252 u8 cnt_ena; 253 u8 fltr_status; 254 u16 cnt_index; 255 u32 fltr_id; 256 u8 fdid_prio; 257 u8 comp_report; 258 /* Set to true for an ACL filter */ 259 bool acl_fltr; 260 }; 261 262 /* Dummy packet filter definition structure */ 263 struct ice_fdir_base_pkt { 264 enum ice_fltr_ptype flow; 265 u16 pkt_len; 266 const u8 *pkt; 267 u16 tun_pkt_len; 268 const u8 *tun_pkt; 269 }; 270 271 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); 272 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); 273 enum ice_status 274 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 275 enum ice_status 276 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 277 enum ice_status 278 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 279 enum ice_status 280 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 281 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw); 282 void 283 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input, 284 struct ice_fltr_desc *fdesc, bool add); 285 enum ice_status 286 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, 287 u8 *pkt, bool frag, bool tun); 288 enum ice_status 289 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag); 290 int ice_get_fdir_cnt_all(struct ice_hw *hw); 291 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 292 bool ice_fdir_has_frag(enum ice_fltr_ptype flow); 293 struct ice_fdir_fltr * 294 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx); 295 void 296 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, 297 bool acl_fltr, bool add); 298 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 299 #endif /* _ICE_FDIR_H_ */ 300