ceph/src/spdk/dpdk/drivers/net/hns3/hns3_fdir.h

   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         uint8_t forward_to_direct_queue;
 108         uint16_t queue_id;
 109         uint8_t use_counter;
 110         uint8_t counter_id;
 111         uint8_t use_next_stage;
 112         uint8_t write_rule_id_to_bd;
 113         uint8_t next_input_key;
 114         uint16_t rule_id;
 115 };
 116
 117 struct hns3_flow_counter {
 118         LIST_ENTRY(hns3_flow_counter) next; /* Pointer to the next counter. */
 119         uint32_t shared:1;   /* Share counter ID with other flow rules. */
 120         uint32_t ref_cnt:31; /* Reference counter. */
 121         uint16_t id;   /* Counter ID. */
 122         uint64_t hits; /* Number of packets matched by the rule. */
 123 };
 124
 125 #define HNS3_RULE_FLAG_FDID             0x1
 126 #define HNS3_RULE_FLAG_VF_ID            0x2
 127 #define HNS3_RULE_FLAG_COUNTER          0x4
 128
 129 struct hns3_fdir_key_conf {
 130         struct hns3_fd_rule_tuples spec;
 131         struct hns3_fd_rule_tuples mask;
 132         uint8_t vlan_num;
 133         uint8_t outer_vlan_num;
 134 };
 135
 136 struct hns3_fdir_rule {
 137         struct hns3_fdir_key_conf key_conf;
 138         uint32_t input_set;
 139         uint32_t flags;
 140         uint32_t fd_id; /* APP marked unique value for this rule. */
 141         uint8_t action;
 142         /* VF id, avaiblable when flags with HNS3_RULE_FLAG_VF_ID. */
 143         uint8_t vf_id;
 144         uint16_t queue_id;
 145         uint16_t location;
 146         struct rte_flow_action_count act_cnt;
 147 };
 148
 149 /* FDIR filter list structure */
 150 struct hns3_fdir_rule_ele {
 151         TAILQ_ENTRY(hns3_fdir_rule_ele) entries;
 152         struct hns3_fdir_rule fdir_conf;
 153 };
 154
 155 /* rss filter list structure */
 156 struct hns3_rss_conf_ele {
 157         TAILQ_ENTRY(hns3_rss_conf_ele) entries;
 158         struct hns3_rss_conf filter_info;
 159 };
 160
 161 /* hns3_flow memory list structure */
 162 struct hns3_flow_mem {
 163         TAILQ_ENTRY(hns3_flow_mem) entries;
 164         struct rte_flow *flow;
 165 };
 166
 167 TAILQ_HEAD(hns3_fdir_rule_list, hns3_fdir_rule_ele);
 168 TAILQ_HEAD(hns3_rss_filter_list, hns3_rss_conf_ele);
 169 TAILQ_HEAD(hns3_flow_mem_list, hns3_flow_mem);
 170
 171 struct hns3_process_private {
 172         struct hns3_fdir_rule_list fdir_list;
 173         struct hns3_rss_filter_list filter_rss_list;
 174         struct hns3_flow_mem_list flow_list;
 175 };
 176
 177 /*
 178  *  A structure used to define fields of a FDIR related info.
 179  */
 180 struct hns3_fdir_info {
 181         rte_spinlock_t flows_lock;
 182         struct hns3_fdir_rule_list fdir_list;
 183         struct hns3_fdir_rule_ele **hash_map;
 184         struct rte_hash *hash_handle;
 185         struct hns3_fd_cfg fd_cfg;
 186 };
 187
 188 struct rte_flow {
 189         enum rte_filter_type filter_type;
 190         void *rule;
 191         uint32_t counter_id;
 192 };
 193 struct hns3_adapter;
 194
 195 int hns3_init_fd_config(struct hns3_adapter *hns);
 196 int hns3_fdir_filter_init(struct hns3_adapter *hns);
 197 void hns3_fdir_filter_uninit(struct hns3_adapter *hns);
 198 int hns3_fdir_filter_program(struct hns3_adapter *hns,
 199                              struct hns3_fdir_rule *rule, bool del);
 200 int hns3_clear_all_fdir_filter(struct hns3_adapter *hns);
 201 int hns3_get_count(struct hns3_hw *hw, uint32_t id, uint64_t *value);
 202 void hns3_filterlist_init(struct rte_eth_dev *dev);
 203 int hns3_restore_all_fdir_filter(struct hns3_adapter *hns);
 204
 205 #endif /* _HNS3_FDIR_H_ */