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