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