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 26 #define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF 27 28 struct ice_indr_block_priv { 29 struct net_device *netdev; 30 struct ice_netdev_priv *np; 31 struct list_head list; 32 }; 33 34 struct ice_tc_flower_action { 35 u32 tc_class; 36 enum ice_sw_fwd_act_type fltr_act; 37 }; 38 39 struct ice_tc_vlan_hdr { 40 __be16 vlan_id; /* Only last 12 bits valid */ 41 u16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */ 42 }; 43 44 struct ice_tc_l2_hdr { 45 u8 dst_mac[ETH_ALEN]; 46 u8 src_mac[ETH_ALEN]; 47 __be16 n_proto; /* Ethernet Protocol */ 48 }; 49 50 struct ice_tc_l3_hdr { 51 u8 ip_proto; /* IPPROTO value */ 52 union { 53 struct { 54 struct in_addr dst_ip; 55 struct in_addr src_ip; 56 } v4; 57 struct { 58 struct in6_addr dst_ip6; 59 struct in6_addr src_ip6; 60 } v6; 61 } ip; 62 #define dst_ipv6 ip.v6.dst_ip6.s6_addr32 63 #define dst_ipv6_addr ip.v6.dst_ip6.s6_addr 64 #define src_ipv6 ip.v6.src_ip6.s6_addr32 65 #define src_ipv6_addr ip.v6.src_ip6.s6_addr 66 #define dst_ipv4 ip.v4.dst_ip.s_addr 67 #define src_ipv4 ip.v4.src_ip.s_addr 68 69 u8 tos; 70 u8 ttl; 71 }; 72 73 struct ice_tc_l4_hdr { 74 __be16 dst_port; 75 __be16 src_port; 76 }; 77 78 struct ice_tc_flower_lyr_2_4_hdrs { 79 /* L2 layer fields with their mask */ 80 struct ice_tc_l2_hdr l2_key; 81 struct ice_tc_l2_hdr l2_mask; 82 struct ice_tc_vlan_hdr vlan_hdr; 83 /* L3 (IPv4[6]) layer fields with their mask */ 84 struct ice_tc_l3_hdr l3_key; 85 struct ice_tc_l3_hdr l3_mask; 86 87 /* L4 layer fields with their mask */ 88 struct ice_tc_l4_hdr l4_key; 89 struct ice_tc_l4_hdr l4_mask; 90 }; 91 92 enum ice_eswitch_fltr_direction { 93 ICE_ESWITCH_FLTR_INGRESS, 94 ICE_ESWITCH_FLTR_EGRESS, 95 }; 96 97 struct ice_tc_flower_fltr { 98 struct hlist_node tc_flower_node; 99 100 /* cookie becomes filter_rule_id if rule is added successfully */ 101 unsigned long cookie; 102 103 /* add_adv_rule returns information like recipe ID, rule_id. Store 104 * those values since they are needed to remove advanced rule 105 */ 106 u16 rid; 107 u16 rule_id; 108 /* this could be queue/vsi_idx (sw handle)/queue_group, depending upon 109 * destination type 110 */ 111 u16 dest_id; 112 /* if dest_id is vsi_idx, then need to store destination VSI ptr */ 113 struct ice_vsi *dest_vsi; 114 /* direction of fltr for eswitch use case */ 115 enum ice_eswitch_fltr_direction direction; 116 117 /* Parsed TC flower configuration params */ 118 struct ice_tc_flower_lyr_2_4_hdrs outer_headers; 119 struct ice_tc_flower_lyr_2_4_hdrs inner_headers; 120 struct ice_vsi *src_vsi; 121 __be32 tenant_id; 122 u32 flags; 123 u8 tunnel_type; 124 struct ice_tc_flower_action action; 125 126 /* cache ptr which is used wherever needed to communicate netlink 127 * messages 128 */ 129 struct netlink_ext_ack *extack; 130 }; 131 132 /** 133 * ice_is_chnl_fltr - is this a valid channel filter 134 * @f: Pointer to tc-flower filter 135 * 136 * Criteria to determine of given filter is valid channel filter 137 * or not is based on its "destination". If destination is hw_tc (aka tc_class) 138 * and it is non-zero, then it is valid channel (aka ADQ) filter 139 */ 140 static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f) 141 { 142 return !!f->action.tc_class; 143 } 144 145 /** 146 * ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count 147 * @pf: Pointer to PF 148 */ 149 static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf) 150 { 151 return pf->num_dmac_chnl_fltrs; 152 } 153 154 int 155 ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi, 156 struct flow_cls_offload *cls_flower); 157 int 158 ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower); 159 void ice_replay_tc_fltrs(struct ice_pf *pf); 160 bool ice_is_tunnel_supported(struct net_device *dev); 161 162 #endif /* _ICE_TC_LIB_H_ */ 163