1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2019-2021, Intel Corporation. */ 3 4 #ifndef _ICE_TC_LIB_H_ 5 #define _ICE_TC_LIB_H_ 6 7 #define ICE_TC_FLWR_FIELD_DST_MAC BIT(0) 8 #define ICE_TC_FLWR_FIELD_SRC_MAC BIT(1) 9 #define ICE_TC_FLWR_FIELD_VLAN BIT(2) 10 #define ICE_TC_FLWR_FIELD_DEST_IPV4 BIT(3) 11 #define ICE_TC_FLWR_FIELD_SRC_IPV4 BIT(4) 12 #define ICE_TC_FLWR_FIELD_DEST_IPV6 BIT(5) 13 #define ICE_TC_FLWR_FIELD_SRC_IPV6 BIT(6) 14 #define ICE_TC_FLWR_FIELD_DEST_L4_PORT BIT(7) 15 #define ICE_TC_FLWR_FIELD_SRC_L4_PORT BIT(8) 16 #define ICE_TC_FLWR_FIELD_TENANT_ID BIT(9) 17 #define ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 BIT(10) 18 #define ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 BIT(11) 19 #define ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 BIT(12) 20 #define ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 BIT(13) 21 #define ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT BIT(14) 22 #define ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT BIT(15) 23 #define ICE_TC_FLWR_FIELD_ENC_DST_MAC BIT(16) 24 #define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17) 25 #define ICE_TC_FLWR_FIELD_ENC_OPTS BIT(18) 26 #define ICE_TC_FLWR_FIELD_CVLAN BIT(19) 27 #define ICE_TC_FLWR_FIELD_PPPOE_SESSID BIT(20) 28 #define ICE_TC_FLWR_FIELD_PPP_PROTO BIT(21) 29 #define ICE_TC_FLWR_FIELD_IP_TOS BIT(22) 30 #define ICE_TC_FLWR_FIELD_IP_TTL BIT(23) 31 #define ICE_TC_FLWR_FIELD_ENC_IP_TOS BIT(24) 32 #define ICE_TC_FLWR_FIELD_ENC_IP_TTL BIT(25) 33 #define ICE_TC_FLWR_FIELD_L2TPV3_SESSID BIT(26) 34 #define ICE_TC_FLWR_FIELD_VLAN_PRIO BIT(27) 35 #define ICE_TC_FLWR_FIELD_CVLAN_PRIO BIT(28) 36 37 #define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF 38 39 #define ICE_IPV6_HDR_TC_MASK 0xFF00000 40 41 struct ice_indr_block_priv { 42 struct net_device *netdev; 43 struct ice_netdev_priv *np; 44 struct list_head list; 45 }; 46 47 struct ice_tc_flower_action { 48 u32 tc_class; 49 enum ice_sw_fwd_act_type fltr_act; 50 }; 51 52 struct ice_tc_vlan_hdr { 53 __be16 vlan_id; /* Only last 12 bits valid */ 54 __be16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */ 55 __be16 vlan_tpid; 56 }; 57 58 struct ice_tc_pppoe_hdr { 59 __be16 session_id; 60 __be16 ppp_proto; 61 }; 62 63 struct ice_tc_l2_hdr { 64 u8 dst_mac[ETH_ALEN]; 65 u8 src_mac[ETH_ALEN]; 66 __be16 n_proto; /* Ethernet Protocol */ 67 }; 68 69 struct ice_tc_l3_hdr { 70 u8 ip_proto; /* IPPROTO value */ 71 union { 72 struct { 73 struct in_addr dst_ip; 74 struct in_addr src_ip; 75 } v4; 76 struct { 77 struct in6_addr dst_ip6; 78 struct in6_addr src_ip6; 79 } v6; 80 } ip; 81 #define dst_ipv6 ip.v6.dst_ip6.s6_addr32 82 #define dst_ipv6_addr ip.v6.dst_ip6.s6_addr 83 #define src_ipv6 ip.v6.src_ip6.s6_addr32 84 #define src_ipv6_addr ip.v6.src_ip6.s6_addr 85 #define dst_ipv4 ip.v4.dst_ip.s_addr 86 #define src_ipv4 ip.v4.src_ip.s_addr 87 88 u8 tos; 89 u8 ttl; 90 }; 91 92 struct ice_tc_l2tpv3_hdr { 93 __be32 session_id; 94 }; 95 96 struct ice_tc_l4_hdr { 97 __be16 dst_port; 98 __be16 src_port; 99 }; 100 101 struct ice_tc_flower_lyr_2_4_hdrs { 102 /* L2 layer fields with their mask */ 103 struct ice_tc_l2_hdr l2_key; 104 struct ice_tc_l2_hdr l2_mask; 105 struct ice_tc_vlan_hdr vlan_hdr; 106 struct ice_tc_vlan_hdr cvlan_hdr; 107 struct ice_tc_pppoe_hdr pppoe_hdr; 108 struct ice_tc_l2tpv3_hdr l2tpv3_hdr; 109 /* L3 (IPv4[6]) layer fields with their mask */ 110 struct ice_tc_l3_hdr l3_key; 111 struct ice_tc_l3_hdr l3_mask; 112 113 /* L4 layer fields with their mask */ 114 struct ice_tc_l4_hdr l4_key; 115 struct ice_tc_l4_hdr l4_mask; 116 }; 117 118 enum ice_eswitch_fltr_direction { 119 ICE_ESWITCH_FLTR_INGRESS, 120 ICE_ESWITCH_FLTR_EGRESS, 121 }; 122 123 struct ice_tc_flower_fltr { 124 struct hlist_node tc_flower_node; 125 126 /* cookie becomes filter_rule_id if rule is added successfully */ 127 unsigned long cookie; 128 129 /* add_adv_rule returns information like recipe ID, rule_id. Store 130 * those values since they are needed to remove advanced rule 131 */ 132 u16 rid; 133 u16 rule_id; 134 /* this could be queue/vsi_idx (sw handle)/queue_group, depending upon 135 * destination type 136 */ 137 u16 dest_id; 138 /* if dest_id is vsi_idx, then need to store destination VSI ptr */ 139 struct ice_vsi *dest_vsi; 140 /* direction of fltr for eswitch use case */ 141 enum ice_eswitch_fltr_direction direction; 142 143 /* Parsed TC flower configuration params */ 144 struct ice_tc_flower_lyr_2_4_hdrs outer_headers; 145 struct ice_tc_flower_lyr_2_4_hdrs inner_headers; 146 struct ice_vsi *src_vsi; 147 __be32 tenant_id; 148 struct gtp_pdu_session_info gtp_pdu_info_keys; 149 struct gtp_pdu_session_info gtp_pdu_info_masks; 150 u32 flags; 151 u8 tunnel_type; 152 struct ice_tc_flower_action action; 153 154 /* cache ptr which is used wherever needed to communicate netlink 155 * messages 156 */ 157 struct netlink_ext_ack *extack; 158 }; 159 160 /** 161 * ice_is_chnl_fltr - is this a valid channel filter 162 * @f: Pointer to tc-flower filter 163 * 164 * Criteria to determine of given filter is valid channel filter 165 * or not is based on its "destination". If destination is hw_tc (aka tc_class) 166 * and it is non-zero, then it is valid channel (aka ADQ) filter 167 */ 168 static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f) 169 { 170 return !!f->action.tc_class; 171 } 172 173 /** 174 * ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count 175 * @pf: Pointer to PF 176 */ 177 static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf) 178 { 179 return pf->num_dmac_chnl_fltrs; 180 } 181 182 int 183 ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi, 184 struct flow_cls_offload *cls_flower); 185 int 186 ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower); 187 void ice_replay_tc_fltrs(struct ice_pf *pf); 188 bool ice_is_tunnel_supported(struct net_device *dev); 189 190 #endif /* _ICE_TC_LIB_H_ */ 191