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