1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018-2019 Hisilicon Limited. 3 */ 4 5 #ifndef _HNS3_FDIR_H_ 6 #define _HNS3_FDIR_H_ 7 8 #include <rte_flow.h> 9 10 struct hns3_fd_key_cfg { 11 uint8_t key_sel; 12 uint8_t inner_sipv6_word_en; 13 uint8_t inner_dipv6_word_en; 14 uint8_t outer_sipv6_word_en; 15 uint8_t outer_dipv6_word_en; 16 uint32_t tuple_active; 17 uint32_t meta_data_active; 18 }; 19 20 enum HNS3_FD_STAGE { 21 HNS3_FD_STAGE_1, 22 HNS3_FD_STAGE_2, 23 HNS3_FD_STAGE_NUM, 24 }; 25 26 enum HNS3_FD_ACTION { 27 HNS3_FD_ACTION_ACCEPT_PACKET, 28 HNS3_FD_ACTION_DROP_PACKET, 29 }; 30 31 struct hns3_fd_cfg { 32 uint8_t fd_mode; 33 uint16_t max_key_length; 34 uint32_t rule_num[HNS3_FD_STAGE_NUM]; /* rule entry number */ 35 uint16_t cnt_num[HNS3_FD_STAGE_NUM]; /* rule hit counter number */ 36 struct hns3_fd_key_cfg key_cfg[HNS3_FD_STAGE_NUM]; 37 }; 38 39 /* OUTER_XXX indicates tuples in tunnel header of tunnel packet 40 * INNER_XXX indicate tuples in tunneled header of tunnel packet or 41 * tuples of non-tunnel packet 42 */ 43 enum HNS3_FD_TUPLE { 44 OUTER_DST_MAC, 45 OUTER_SRC_MAC, 46 OUTER_VLAN_TAG_FST, 47 OUTER_VLAN_TAG_SEC, 48 OUTER_ETH_TYPE, 49 OUTER_L2_RSV, 50 OUTER_IP_TOS, 51 OUTER_IP_PROTO, 52 OUTER_SRC_IP, 53 OUTER_DST_IP, 54 OUTER_L3_RSV, 55 OUTER_SRC_PORT, 56 OUTER_DST_PORT, 57 OUTER_L4_RSV, 58 OUTER_TUN_VNI, 59 OUTER_TUN_FLOW_ID, 60 INNER_DST_MAC, 61 INNER_SRC_MAC, 62 INNER_VLAN_TAG1, 63 INNER_VLAN_TAG2, 64 INNER_ETH_TYPE, 65 INNER_L2_RSV, 66 INNER_IP_TOS, 67 INNER_IP_PROTO, 68 INNER_SRC_IP, 69 INNER_DST_IP, 70 INNER_L3_RSV, 71 INNER_SRC_PORT, 72 INNER_DST_PORT, 73 INNER_SCTP_TAG, 74 MAX_TUPLE, 75 }; 76 77 #define VLAN_TAG_NUM_MAX 2 78 #define VNI_OR_TNI_LEN 3 79 #define IP_ADDR_LEN 4 /* Length of IPv6 address. */ 80 #define IP_ADDR_KEY_ID 3 /* The last 32bit of IP address as FDIR search key */ 81 #define IPV6_ADDR_WORD_MASK 3 /* The last two word of IPv6 as FDIR search key */ 82 83 struct hns3_fd_rule_tuples { 84 uint8_t src_mac[RTE_ETHER_ADDR_LEN]; 85 uint8_t dst_mac[RTE_ETHER_ADDR_LEN]; 86 uint32_t src_ip[IP_ADDR_LEN]; 87 uint32_t dst_ip[IP_ADDR_LEN]; 88 uint16_t src_port; 89 uint16_t dst_port; 90 uint16_t vlan_tag1; 91 uint16_t vlan_tag2; 92 uint16_t ether_type; 93 uint8_t ip_tos; 94 uint8_t ip_proto; 95 uint32_t sctp_tag; 96 uint16_t outer_src_port; 97 uint16_t tunnel_type; 98 uint16_t outer_ether_type; 99 uint8_t outer_proto; 100 uint8_t outer_tun_vni[VNI_OR_TNI_LEN]; 101 uint8_t outer_tun_flow_id; 102 }; 103 104 struct hns3_fd_ad_data { 105 uint16_t ad_id; 106 uint8_t drop_packet; 107 /* 108 * equal 0 when action is drop. 109 * index of queue when action is queue. 110 * index of first queue of queue region when action is queue region. 111 */ 112 uint16_t queue_id; 113 /* 114 * equal 0 when action is drop. 115 * equal 1 when action is queue. 116 * numbers of queues of queue region when action is queue region. 117 */ 118 uint16_t nb_queues; 119 uint8_t use_counter; 120 uint8_t counter_id; 121 uint8_t use_next_stage; 122 uint8_t write_rule_id_to_bd; 123 uint8_t next_input_key; 124 uint16_t rule_id; 125 }; 126 127 struct hns3_flow_counter { 128 LIST_ENTRY(hns3_flow_counter) next; /* Pointer to the next counter. */ 129 uint32_t shared:1; /* Share counter ID with other flow rules. */ 130 uint32_t ref_cnt:31; /* Reference counter. */ 131 uint16_t id; /* Counter ID. */ 132 uint64_t hits; /* Number of packets matched by the rule. */ 133 }; 134 135 #define HNS3_RULE_FLAG_FDID 0x1 136 #define HNS3_RULE_FLAG_VF_ID 0x2 137 #define HNS3_RULE_FLAG_COUNTER 0x4 138 139 struct hns3_fdir_key_conf { 140 struct hns3_fd_rule_tuples spec; 141 struct hns3_fd_rule_tuples mask; 142 uint8_t vlan_num; 143 uint8_t outer_vlan_num; 144 }; 145 146 struct hns3_fdir_rule { 147 struct hns3_fdir_key_conf key_conf; 148 uint32_t input_set; 149 uint32_t flags; 150 uint32_t fd_id; /* APP marked unique value for this rule. */ 151 uint8_t action; 152 /* VF id, avaiblable when flags with HNS3_RULE_FLAG_VF_ID. */ 153 uint8_t vf_id; 154 /* 155 * equal 0 when action is drop. 156 * index of queue when action is queue. 157 * index of first queue of queue region when action is queue region. 158 */ 159 uint16_t queue_id; 160 /* 161 * equal 0 when action is drop. 162 * equal 1 when action is queue. 163 * numbers of queues of queue region when action is queue region. 164 */ 165 uint16_t nb_queues; 166 uint16_t location; 167 struct rte_flow_action_count act_cnt; 168 }; 169 170 /* FDIR filter list structure */ 171 struct hns3_fdir_rule_ele { 172 TAILQ_ENTRY(hns3_fdir_rule_ele) entries; 173 struct hns3_fdir_rule fdir_conf; 174 }; 175 176 /* rss filter list structure */ 177 struct hns3_rss_conf_ele { 178 TAILQ_ENTRY(hns3_rss_conf_ele) entries; 179 struct hns3_rss_conf filter_info; 180 }; 181 182 /* hns3_flow memory list structure */ 183 struct hns3_flow_mem { 184 TAILQ_ENTRY(hns3_flow_mem) entries; 185 struct rte_flow *flow; 186 }; 187 188 TAILQ_HEAD(hns3_fdir_rule_list, hns3_fdir_rule_ele); 189 TAILQ_HEAD(hns3_rss_filter_list, hns3_rss_conf_ele); 190 TAILQ_HEAD(hns3_flow_mem_list, hns3_flow_mem); 191 192 struct hns3_process_private { 193 struct hns3_fdir_rule_list fdir_list; 194 struct hns3_rss_filter_list filter_rss_list; 195 struct hns3_flow_mem_list flow_list; 196 }; 197 198 /* 199 * A structure used to define fields of a FDIR related info. 200 */ 201 struct hns3_fdir_info { 202 rte_spinlock_t flows_lock; 203 struct hns3_fdir_rule_list fdir_list; 204 struct hns3_fdir_rule_ele **hash_map; 205 struct rte_hash *hash_handle; 206 struct hns3_fd_cfg fd_cfg; 207 }; 208 209 struct rte_flow { 210 enum rte_filter_type filter_type; 211 void *rule; 212 uint32_t counter_id; 213 }; 214 struct hns3_adapter; 215 216 int hns3_init_fd_config(struct hns3_adapter *hns); 217 int hns3_fdir_filter_init(struct hns3_adapter *hns); 218 void hns3_fdir_filter_uninit(struct hns3_adapter *hns); 219 int hns3_fdir_filter_program(struct hns3_adapter *hns, 220 struct hns3_fdir_rule *rule, bool del); 221 int hns3_clear_all_fdir_filter(struct hns3_adapter *hns); 222 int hns3_get_count(struct hns3_hw *hw, uint32_t id, uint64_t *value); 223 void hns3_filterlist_init(struct rte_eth_dev *dev); 224 int hns3_restore_all_fdir_filter(struct hns3_adapter *hns); 225 226 #endif /* _HNS3_FDIR_H_ */ 227