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 28 #define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF 29 30 struct ice_indr_block_priv { 31 struct net_device *netdev; 32 struct ice_netdev_priv *np; 33 struct list_head list; 34 }; 35 36 struct ice_tc_flower_action { 37 u32 tc_class; 38 enum ice_sw_fwd_act_type fltr_act; 39 }; 40 41 struct ice_tc_vlan_hdr { 42 __be16 vlan_id; /* Only last 12 bits valid */ 43 u16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */ 44 __be16 vlan_tpid; 45 }; 46 47 struct ice_tc_l2_hdr { 48 u8 dst_mac[ETH_ALEN]; 49 u8 src_mac[ETH_ALEN]; 50 __be16 n_proto; /* Ethernet Protocol */ 51 }; 52 53 struct ice_tc_l3_hdr { 54 u8 ip_proto; /* IPPROTO value */ 55 union { 56 struct { 57 struct in_addr dst_ip; 58 struct in_addr src_ip; 59 } v4; 60 struct { 61 struct in6_addr dst_ip6; 62 struct in6_addr src_ip6; 63 } v6; 64 } ip; 65 #define dst_ipv6 ip.v6.dst_ip6.s6_addr32 66 #define dst_ipv6_addr ip.v6.dst_ip6.s6_addr 67 #define src_ipv6 ip.v6.src_ip6.s6_addr32 68 #define src_ipv6_addr ip.v6.src_ip6.s6_addr 69 #define dst_ipv4 ip.v4.dst_ip.s_addr 70 #define src_ipv4 ip.v4.src_ip.s_addr 71 72 u8 tos; 73 u8 ttl; 74 }; 75 76 struct ice_tc_l4_hdr { 77 __be16 dst_port; 78 __be16 src_port; 79 }; 80 81 struct ice_tc_flower_lyr_2_4_hdrs { 82 /* L2 layer fields with their mask */ 83 struct ice_tc_l2_hdr l2_key; 84 struct ice_tc_l2_hdr l2_mask; 85 struct ice_tc_vlan_hdr vlan_hdr; 86 struct ice_tc_vlan_hdr cvlan_hdr; 87 /* L3 (IPv4[6]) layer fields with their mask */ 88 struct ice_tc_l3_hdr l3_key; 89 struct ice_tc_l3_hdr l3_mask; 90 91 /* L4 layer fields with their mask */ 92 struct ice_tc_l4_hdr l4_key; 93 struct ice_tc_l4_hdr l4_mask; 94 }; 95 96 enum ice_eswitch_fltr_direction { 97 ICE_ESWITCH_FLTR_INGRESS, 98 ICE_ESWITCH_FLTR_EGRESS, 99 }; 100 101 struct ice_tc_flower_fltr { 102 struct hlist_node tc_flower_node; 103 104 /* cookie becomes filter_rule_id if rule is added successfully */ 105 unsigned long cookie; 106 107 /* add_adv_rule returns information like recipe ID, rule_id. Store 108 * those values since they are needed to remove advanced rule 109 */ 110 u16 rid; 111 u16 rule_id; 112 /* this could be queue/vsi_idx (sw handle)/queue_group, depending upon 113 * destination type 114 */ 115 u16 dest_id; 116 /* if dest_id is vsi_idx, then need to store destination VSI ptr */ 117 struct ice_vsi *dest_vsi; 118 /* direction of fltr for eswitch use case */ 119 enum ice_eswitch_fltr_direction direction; 120 121 /* Parsed TC flower configuration params */ 122 struct ice_tc_flower_lyr_2_4_hdrs outer_headers; 123 struct ice_tc_flower_lyr_2_4_hdrs inner_headers; 124 struct ice_vsi *src_vsi; 125 __be32 tenant_id; 126 struct gtp_pdu_session_info gtp_pdu_info_keys; 127 struct gtp_pdu_session_info gtp_pdu_info_masks; 128 u32 flags; 129 u8 tunnel_type; 130 struct ice_tc_flower_action action; 131 132 /* cache ptr which is used wherever needed to communicate netlink 133 * messages 134 */ 135 struct netlink_ext_ack *extack; 136 }; 137 138 /** 139 * ice_is_chnl_fltr - is this a valid channel filter 140 * @f: Pointer to tc-flower filter 141 * 142 * Criteria to determine of given filter is valid channel filter 143 * or not is based on its "destination". If destination is hw_tc (aka tc_class) 144 * and it is non-zero, then it is valid channel (aka ADQ) filter 145 */ 146 static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f) 147 { 148 return !!f->action.tc_class; 149 } 150 151 /** 152 * ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count 153 * @pf: Pointer to PF 154 */ 155 static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf) 156 { 157 return pf->num_dmac_chnl_fltrs; 158 } 159 160 int 161 ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi, 162 struct flow_cls_offload *cls_flower); 163 int 164 ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower); 165 void ice_replay_tc_fltrs(struct ice_pf *pf); 166 bool ice_is_tunnel_supported(struct net_device *dev); 167 168 #endif /* _ICE_TC_LIB_H_ */ 169