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_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 21 /* macros for offsets into packets for flow director programming */ 22 #define ICE_IPV4_SRC_ADDR_OFFSET 26 23 #define ICE_IPV4_DST_ADDR_OFFSET 30 24 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34 25 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36 26 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34 27 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36 28 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34 29 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36 30 #define ICE_IPV4_PROTO_OFFSET 23 31 #define ICE_IPV6_SRC_ADDR_OFFSET 22 32 #define ICE_IPV6_DST_ADDR_OFFSET 38 33 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54 34 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56 35 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54 36 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56 37 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54 38 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56 39 40 #define ICE_MAC_ETHTYPE_OFFSET 12 41 #define ICE_IPV4_TOS_OFFSET 15 42 #define ICE_IPV4_TTL_OFFSET 22 43 #define ICE_IPV6_TC_OFFSET 14 44 #define ICE_IPV6_HLIM_OFFSET 21 45 #define ICE_IPV6_PROTO_OFFSET 20 46 #define ICE_IPV4_GTPU_TEID_OFFSET 46 47 #define ICE_IPV4_GTPU_QFI_OFFSET 56 48 #define ICE_IPV6_GTPU_TEID_OFFSET 66 49 #define ICE_IPV6_GTPU_QFI_OFFSET 76 50 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34 51 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54 52 #define ICE_IPV4_ESP_SPI_OFFSET 34 53 #define ICE_IPV6_ESP_SPI_OFFSET 54 54 #define ICE_IPV4_AH_SPI_OFFSET 38 55 #define ICE_IPV6_AH_SPI_OFFSET 58 56 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42 57 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62 58 #define ICE_IPV4_VXLAN_VNI_OFFSET 45 59 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18 60 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46 61 62 #define ICE_FDIR_MAX_FLTRS 16384 63 64 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF 65 * requests that the packet not be fragmented. MF indicates that a packet has 66 * been fragmented. 67 */ 68 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 69 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40 70 71 enum ice_fltr_prgm_desc_dest { 72 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, 73 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX, 74 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP, 75 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER, 76 }; 77 78 enum ice_fltr_prgm_desc_fd_status { 79 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE, 80 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID, 81 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES, 82 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES, 83 }; 84 85 /* Flow Director (FD) Filter Programming descriptor */ 86 struct ice_fd_fltr_desc_ctx { 87 u32 fdid; 88 u16 qindex; 89 u16 cnt_index; 90 u16 fd_vsi; 91 u16 flex_val; 92 u8 comp_q; 93 u8 comp_report; 94 u8 fd_space; 95 u8 cnt_ena; 96 u8 evict_ena; 97 u8 toq; 98 u8 toq_prio; 99 u8 dpu_recipe; 100 u8 drop; 101 u8 flex_prio; 102 u8 flex_mdid; 103 u8 dtype; 104 u8 pcmd; 105 u8 desc_prof_prio; 106 u8 desc_prof; 107 u8 swap; 108 u8 fdid_prio; 109 u8 fdid_mdid; 110 }; 111 112 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16) 113 114 struct ice_rx_flow_userdef { 115 u16 flex_word; 116 u16 flex_offset; 117 u16 flex_fltr; 118 }; 119 120 struct ice_fdir_v4 { 121 __be32 dst_ip; 122 __be32 src_ip; 123 __be16 dst_port; 124 __be16 src_port; 125 __be32 l4_header; 126 __be32 sec_parm_idx; /* security parameter index */ 127 u8 tos; 128 u8 ip_ver; 129 u8 proto; 130 u8 ttl; 131 }; 132 133 #define ICE_IPV6_ADDR_LEN_AS_U32 4 134 135 struct ice_fdir_v6 { 136 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 137 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 138 __be16 dst_port; 139 __be16 src_port; 140 __be32 l4_header; /* next header */ 141 __be32 sec_parm_idx; /* security parameter index */ 142 u8 tc; 143 u8 proto; 144 u8 hlim; 145 }; 146 147 struct ice_fdir_udp_gtp { 148 u8 flags; 149 u8 msg_type; 150 __be16 rsrvd_len; 151 __be32 teid; 152 __be16 rsrvd_seq_nbr; 153 u8 rsrvd_n_pdu_nbr; 154 u8 rsrvd_next_ext_type; 155 u8 rsvrd_ext_len; 156 u8 pdu_type:4, 157 spare:4; 158 u8 ppp:1, 159 rqi:1, 160 qfi:6; 161 u32 rsvrd; 162 u8 next_ext; 163 }; 164 165 struct ice_fdir_l2tpv3 { 166 __be32 session_id; 167 }; 168 169 struct ice_fdir_udp_vxlan { 170 __be32 vni; /* 8 bits reserved, always be zero */ 171 }; 172 173 struct ice_fdir_ecpri { 174 __be16 pc_id; 175 }; 176 177 struct ice_fdir_extra { 178 u8 dst_mac[ETH_ALEN]; /* dest MAC address */ 179 u8 src_mac[ETH_ALEN]; /* src MAC address */ 180 __be16 ether_type; /* for NON_IP_L2 */ 181 u32 usr_def[2]; /* user data */ 182 __be16 vlan_type; /* VLAN ethertype */ 183 __be16 vlan_tag; /* VLAN tag info */ 184 }; 185 186 struct ice_fdir_fltr { 187 struct LIST_ENTRY_TYPE fltr_node; 188 enum ice_fltr_ptype flow_type; 189 190 union { 191 struct ice_fdir_v4 v4; 192 struct ice_fdir_v6 v6; 193 } ip, mask; 194 195 /* for tunnel outer part */ 196 union { 197 struct ice_fdir_v4 v4; 198 struct ice_fdir_v6 v6; 199 } ip_outer, mask_outer; 200 201 struct ice_fdir_extra ext_data_outer; 202 struct ice_fdir_extra ext_mask_outer; 203 204 struct ice_fdir_udp_vxlan vxlan_data; 205 struct ice_fdir_udp_vxlan vxlan_mask; 206 207 struct ice_fdir_udp_gtp gtpu_data; 208 struct ice_fdir_udp_gtp gtpu_mask; 209 210 struct ice_fdir_l2tpv3 l2tpv3_data; 211 struct ice_fdir_l2tpv3 l2tpv3_mask; 212 213 struct ice_fdir_ecpri ecpri_data; 214 struct ice_fdir_ecpri ecpri_mask; 215 216 struct ice_fdir_extra ext_data; 217 struct ice_fdir_extra ext_mask; 218 219 /* flex byte filter data */ 220 __be16 flex_word; 221 /* queue region size (=2^q_region) */ 222 u8 q_region; 223 u16 flex_offset; 224 u16 flex_fltr; 225 226 /* filter control */ 227 u16 q_index; 228 u16 dest_vsi; 229 u8 dest_ctl; 230 u8 cnt_ena; 231 u8 fltr_status; 232 u16 cnt_index; 233 u32 fltr_id; 234 u8 fdid_prio; 235 u8 comp_report; 236 /* Set to true for an ACL filter */ 237 bool acl_fltr; 238 }; 239 240 /* Dummy packet filter definition structure */ 241 struct ice_fdir_base_pkt { 242 enum ice_fltr_ptype flow; 243 u16 pkt_len; 244 const u8 *pkt; 245 u16 tun_pkt_len; 246 const u8 *tun_pkt; 247 }; 248 249 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); 250 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); 251 enum ice_status 252 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 253 enum ice_status 254 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 255 enum ice_status 256 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 257 enum ice_status 258 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 259 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw); 260 void 261 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input, 262 struct ice_fltr_desc *fdesc, bool add); 263 enum ice_status 264 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, 265 u8 *pkt, bool frag, bool tun); 266 enum ice_status 267 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag); 268 int ice_get_fdir_cnt_all(struct ice_hw *hw); 269 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 270 bool ice_fdir_has_frag(enum ice_fltr_ptype flow); 271 struct ice_fdir_fltr * 272 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx); 273 void 274 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, 275 bool acl_fltr, bool add); 276 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 277 #endif /* _ICE_FDIR_H_ */ 278