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 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 59 #define ICE_FDIR_MAX_FLTRS 16384 60 61 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF 62 * requests that the packet not be fragmented. MF indicates that a packet has 63 * been fragmented. 64 */ 65 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 66 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40 67 68 enum ice_fltr_prgm_desc_dest { 69 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, 70 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX, 71 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP, 72 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER, 73 }; 74 75 enum ice_fltr_prgm_desc_fd_status { 76 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE, 77 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID, 78 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES, 79 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES, 80 }; 81 82 /* Flow Director (FD) Filter Programming descriptor */ 83 struct ice_fd_fltr_desc_ctx { 84 u32 fdid; 85 u16 qindex; 86 u16 cnt_index; 87 u16 fd_vsi; 88 u16 flex_val; 89 u8 comp_q; 90 u8 comp_report; 91 u8 fd_space; 92 u8 cnt_ena; 93 u8 evict_ena; 94 u8 toq; 95 u8 toq_prio; 96 u8 dpu_recipe; 97 u8 drop; 98 u8 flex_prio; 99 u8 flex_mdid; 100 u8 dtype; 101 u8 pcmd; 102 u8 desc_prof_prio; 103 u8 desc_prof; 104 u8 swap; 105 u8 fdid_prio; 106 u8 fdid_mdid; 107 }; 108 109 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16) 110 111 struct ice_rx_flow_userdef { 112 u16 flex_word; 113 u16 flex_offset; 114 u16 flex_fltr; 115 }; 116 117 struct ice_fdir_v4 { 118 __be32 dst_ip; 119 __be32 src_ip; 120 __be16 dst_port; 121 __be16 src_port; 122 __be32 l4_header; 123 __be32 sec_parm_idx; /* security parameter index */ 124 u8 tos; 125 u8 ip_ver; 126 u8 proto; 127 u8 ttl; 128 }; 129 130 #define ICE_IPV6_ADDR_LEN_AS_U32 4 131 132 struct ice_fdir_v6 { 133 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 134 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32]; 135 __be16 dst_port; 136 __be16 src_port; 137 __be32 l4_header; /* next header */ 138 __be32 sec_parm_idx; /* security parameter index */ 139 u8 tc; 140 u8 proto; 141 u8 hlim; 142 }; 143 144 struct ice_fdir_udp_gtp { 145 u8 flags; 146 u8 msg_type; 147 __be16 rsrvd_len; 148 __be32 teid; 149 __be16 rsrvd_seq_nbr; 150 u8 rsrvd_n_pdu_nbr; 151 u8 rsrvd_next_ext_type; 152 u8 rsvrd_ext_len; 153 u8 pdu_type:4, 154 spare:4; 155 u8 ppp:1, 156 rqi:1, 157 qfi:6; 158 u32 rsvrd; 159 u8 next_ext; 160 }; 161 162 struct ice_fdir_l2tpv3 { 163 __be32 session_id; 164 }; 165 166 struct ice_fdir_extra { 167 u8 dst_mac[ETH_ALEN]; /* dest MAC address */ 168 u8 src_mac[ETH_ALEN]; /* src 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 /* for tunnel outer part */ 185 union { 186 struct ice_fdir_v4 v4; 187 struct ice_fdir_v6 v6; 188 } ip_outer, mask_outer; 189 190 struct ice_fdir_extra ext_data_outer; 191 struct ice_fdir_extra ext_mask_outer; 192 193 struct ice_fdir_udp_gtp gtpu_data; 194 struct ice_fdir_udp_gtp gtpu_mask; 195 196 struct ice_fdir_l2tpv3 l2tpv3_data; 197 struct ice_fdir_l2tpv3 l2tpv3_mask; 198 199 struct ice_fdir_extra ext_data; 200 struct ice_fdir_extra ext_mask; 201 202 /* flex byte filter data */ 203 __be16 flex_word; 204 /* queue region size (=2^q_region) */ 205 u8 q_region; 206 u16 flex_offset; 207 u16 flex_fltr; 208 209 /* filter control */ 210 u16 q_index; 211 u16 dest_vsi; 212 u8 dest_ctl; 213 u8 cnt_ena; 214 u8 fltr_status; 215 u16 cnt_index; 216 u32 fltr_id; 217 u8 fdid_prio; 218 u8 comp_report; 219 /* Set to true for an ACL filter */ 220 bool acl_fltr; 221 }; 222 223 /* Dummy packet filter definition structure */ 224 struct ice_fdir_base_pkt { 225 enum ice_fltr_ptype flow; 226 u16 pkt_len; 227 const u8 *pkt; 228 u16 tun_pkt_len; 229 const u8 *tun_pkt; 230 }; 231 232 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id); 233 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id); 234 enum ice_status 235 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 236 enum ice_status 237 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 238 enum ice_status 239 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr); 240 enum ice_status 241 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr); 242 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw); 243 void 244 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input, 245 struct ice_fltr_desc *fdesc, bool add); 246 enum ice_status 247 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, 248 u8 *pkt, bool frag, bool tun); 249 enum ice_status 250 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag); 251 int ice_get_fdir_cnt_all(struct ice_hw *hw); 252 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 253 bool ice_fdir_has_frag(enum ice_fltr_ptype flow); 254 struct ice_fdir_fltr * 255 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx); 256 void 257 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, 258 bool acl_fltr, bool add); 259 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input); 260 #endif /* _ICE_FDIR_H_ */ 261