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