10d08a441SKiran Patil /* SPDX-License-Identifier: GPL-2.0 */
20d08a441SKiran Patil /* Copyright (C) 2019-2021, Intel Corporation. */
30d08a441SKiran Patil
40d08a441SKiran Patil #ifndef _ICE_TC_LIB_H_
50d08a441SKiran Patil #define _ICE_TC_LIB_H_
60d08a441SKiran Patil
70d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_DST_MAC BIT(0)
80d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_SRC_MAC BIT(1)
90d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_VLAN BIT(2)
100d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_DEST_IPV4 BIT(3)
110d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_SRC_IPV4 BIT(4)
120d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_DEST_IPV6 BIT(5)
130d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_SRC_IPV6 BIT(6)
140d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_DEST_L4_PORT BIT(7)
150d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_SRC_L4_PORT BIT(8)
160d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_TENANT_ID BIT(9)
170d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 BIT(10)
180d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 BIT(11)
190d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 BIT(12)
200d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 BIT(13)
210d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT BIT(14)
220d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT BIT(15)
230d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ENC_DST_MAC BIT(16)
240d08a441SKiran Patil #define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17)
259a225f81SMarcin Szycik #define ICE_TC_FLWR_FIELD_ENC_OPTS BIT(18)
2606bca7c2SMartyna Szapar-Mudlaw #define ICE_TC_FLWR_FIELD_CVLAN BIT(19)
27cd8efeeeSMarcin Szycik #define ICE_TC_FLWR_FIELD_PPPOE_SESSID BIT(20)
28cd8efeeeSMarcin Szycik #define ICE_TC_FLWR_FIELD_PPP_PROTO BIT(21)
294c99bc96SMarcin Szycik #define ICE_TC_FLWR_FIELD_IP_TOS BIT(22)
304c99bc96SMarcin Szycik #define ICE_TC_FLWR_FIELD_IP_TTL BIT(23)
314c99bc96SMarcin Szycik #define ICE_TC_FLWR_FIELD_ENC_IP_TOS BIT(24)
324c99bc96SMarcin Szycik #define ICE_TC_FLWR_FIELD_ENC_IP_TTL BIT(25)
33cd634549SMarcin Szycik #define ICE_TC_FLWR_FIELD_L2TPV3_SESSID BIT(26)
3434800178SMartyna Szapar-Mudlaw #define ICE_TC_FLWR_FIELD_VLAN_PRIO BIT(27)
3534800178SMartyna Szapar-Mudlaw #define ICE_TC_FLWR_FIELD_CVLAN_PRIO BIT(28)
3603592a14SMichal Swiatkowski #define ICE_TC_FLWR_FIELD_VLAN_TPID BIT(29)
370d08a441SKiran Patil
389e300987SMichal Swiatkowski #define ICE_TC_FLOWER_MASK_32 0xFFFFFFFF
399e300987SMichal Swiatkowski
404c99bc96SMarcin Szycik #define ICE_IPV6_HDR_TC_MASK 0xFF00000
414c99bc96SMarcin Szycik
42195bb48fSMichal Swiatkowski struct ice_indr_block_priv {
43195bb48fSMichal Swiatkowski struct net_device *netdev;
44195bb48fSMichal Swiatkowski struct ice_netdev_priv *np;
45195bb48fSMichal Swiatkowski struct list_head list;
46195bb48fSMichal Swiatkowski };
47195bb48fSMichal Swiatkowski
480d08a441SKiran Patil struct ice_tc_flower_action {
49143b86f3SAmritha Nambiar /* forward action specific params */
50143b86f3SAmritha Nambiar union {
51143b86f3SAmritha Nambiar struct {
52143b86f3SAmritha Nambiar u32 tc_class; /* forward to hw_tc */
53143b86f3SAmritha Nambiar u32 rsvd;
54143b86f3SAmritha Nambiar } tc;
55143b86f3SAmritha Nambiar struct {
56143b86f3SAmritha Nambiar u16 queue; /* forward to queue */
57143b86f3SAmritha Nambiar /* To add filter in HW, absolute queue number in global
58143b86f3SAmritha Nambiar * space of queues (between 0...N) is needed
59143b86f3SAmritha Nambiar */
60143b86f3SAmritha Nambiar u16 hw_queue;
61143b86f3SAmritha Nambiar } q;
62143b86f3SAmritha Nambiar } fwd;
630d08a441SKiran Patil enum ice_sw_fwd_act_type fltr_act;
640d08a441SKiran Patil };
650d08a441SKiran Patil
660d08a441SKiran Patil struct ice_tc_vlan_hdr {
670d08a441SKiran Patil __be16 vlan_id; /* Only last 12 bits valid */
6834800178SMartyna Szapar-Mudlaw __be16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */
69ea71b967SMartyna Szapar-Mudlaw __be16 vlan_tpid;
700d08a441SKiran Patil };
710d08a441SKiran Patil
72cd8efeeeSMarcin Szycik struct ice_tc_pppoe_hdr {
73cd8efeeeSMarcin Szycik __be16 session_id;
74cd8efeeeSMarcin Szycik __be16 ppp_proto;
75cd8efeeeSMarcin Szycik };
76cd8efeeeSMarcin Szycik
770d08a441SKiran Patil struct ice_tc_l2_hdr {
780d08a441SKiran Patil u8 dst_mac[ETH_ALEN];
790d08a441SKiran Patil u8 src_mac[ETH_ALEN];
800d08a441SKiran Patil __be16 n_proto; /* Ethernet Protocol */
810d08a441SKiran Patil };
820d08a441SKiran Patil
830d08a441SKiran Patil struct ice_tc_l3_hdr {
840d08a441SKiran Patil u8 ip_proto; /* IPPROTO value */
850d08a441SKiran Patil union {
860d08a441SKiran Patil struct {
870d08a441SKiran Patil struct in_addr dst_ip;
880d08a441SKiran Patil struct in_addr src_ip;
890d08a441SKiran Patil } v4;
900d08a441SKiran Patil struct {
910d08a441SKiran Patil struct in6_addr dst_ip6;
920d08a441SKiran Patil struct in6_addr src_ip6;
930d08a441SKiran Patil } v6;
940d08a441SKiran Patil } ip;
950d08a441SKiran Patil #define dst_ipv6 ip.v6.dst_ip6.s6_addr32
960d08a441SKiran Patil #define dst_ipv6_addr ip.v6.dst_ip6.s6_addr
970d08a441SKiran Patil #define src_ipv6 ip.v6.src_ip6.s6_addr32
980d08a441SKiran Patil #define src_ipv6_addr ip.v6.src_ip6.s6_addr
990d08a441SKiran Patil #define dst_ipv4 ip.v4.dst_ip.s_addr
1000d08a441SKiran Patil #define src_ipv4 ip.v4.src_ip.s_addr
1010d08a441SKiran Patil
1020d08a441SKiran Patil u8 tos;
1030d08a441SKiran Patil u8 ttl;
1040d08a441SKiran Patil };
1050d08a441SKiran Patil
106cd634549SMarcin Szycik struct ice_tc_l2tpv3_hdr {
107cd634549SMarcin Szycik __be32 session_id;
108cd634549SMarcin Szycik };
109cd634549SMarcin Szycik
1100d08a441SKiran Patil struct ice_tc_l4_hdr {
1110d08a441SKiran Patil __be16 dst_port;
1120d08a441SKiran Patil __be16 src_port;
1130d08a441SKiran Patil };
1140d08a441SKiran Patil
1150d08a441SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs {
1160d08a441SKiran Patil /* L2 layer fields with their mask */
1170d08a441SKiran Patil struct ice_tc_l2_hdr l2_key;
1180d08a441SKiran Patil struct ice_tc_l2_hdr l2_mask;
1190d08a441SKiran Patil struct ice_tc_vlan_hdr vlan_hdr;
12006bca7c2SMartyna Szapar-Mudlaw struct ice_tc_vlan_hdr cvlan_hdr;
121cd8efeeeSMarcin Szycik struct ice_tc_pppoe_hdr pppoe_hdr;
122cd634549SMarcin Szycik struct ice_tc_l2tpv3_hdr l2tpv3_hdr;
1230d08a441SKiran Patil /* L3 (IPv4[6]) layer fields with their mask */
1240d08a441SKiran Patil struct ice_tc_l3_hdr l3_key;
1250d08a441SKiran Patil struct ice_tc_l3_hdr l3_mask;
1260d08a441SKiran Patil
1270d08a441SKiran Patil /* L4 layer fields with their mask */
1280d08a441SKiran Patil struct ice_tc_l4_hdr l4_key;
1290d08a441SKiran Patil struct ice_tc_l4_hdr l4_mask;
1300d08a441SKiran Patil };
1310d08a441SKiran Patil
1320d08a441SKiran Patil enum ice_eswitch_fltr_direction {
1330d08a441SKiran Patil ICE_ESWITCH_FLTR_INGRESS,
1340d08a441SKiran Patil ICE_ESWITCH_FLTR_EGRESS,
1350d08a441SKiran Patil };
1360d08a441SKiran Patil
1370d08a441SKiran Patil struct ice_tc_flower_fltr {
1380d08a441SKiran Patil struct hlist_node tc_flower_node;
1390d08a441SKiran Patil
1400d08a441SKiran Patil /* cookie becomes filter_rule_id if rule is added successfully */
1410d08a441SKiran Patil unsigned long cookie;
1420d08a441SKiran Patil
1430d08a441SKiran Patil /* add_adv_rule returns information like recipe ID, rule_id. Store
1440d08a441SKiran Patil * those values since they are needed to remove advanced rule
1450d08a441SKiran Patil */
1460d08a441SKiran Patil u16 rid;
1470d08a441SKiran Patil u16 rule_id;
148143b86f3SAmritha Nambiar /* VSI handle of the destination VSI (it could be main PF VSI, CHNL_VSI,
149143b86f3SAmritha Nambiar * VF VSI)
1500d08a441SKiran Patil */
151143b86f3SAmritha Nambiar u16 dest_vsi_handle;
152143b86f3SAmritha Nambiar /* ptr to destination VSI */
1530d08a441SKiran Patil struct ice_vsi *dest_vsi;
1540d08a441SKiran Patil /* direction of fltr for eswitch use case */
1550d08a441SKiran Patil enum ice_eswitch_fltr_direction direction;
1560d08a441SKiran Patil
1570d08a441SKiran Patil /* Parsed TC flower configuration params */
1580d08a441SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs outer_headers;
1590d08a441SKiran Patil struct ice_tc_flower_lyr_2_4_hdrs inner_headers;
1600d08a441SKiran Patil struct ice_vsi *src_vsi;
1610d08a441SKiran Patil __be32 tenant_id;
1629a225f81SMarcin Szycik struct gtp_pdu_session_info gtp_pdu_info_keys;
1639a225f81SMarcin Szycik struct gtp_pdu_session_info gtp_pdu_info_masks;
1640d08a441SKiran Patil u32 flags;
1659e300987SMichal Swiatkowski u8 tunnel_type;
1660d08a441SKiran Patil struct ice_tc_flower_action action;
1670d08a441SKiran Patil
1680d08a441SKiran Patil /* cache ptr which is used wherever needed to communicate netlink
1690d08a441SKiran Patil * messages
1700d08a441SKiran Patil */
1710d08a441SKiran Patil struct netlink_ext_ack *extack;
1720d08a441SKiran Patil };
1730d08a441SKiran Patil
1749fea7498SKiran Patil /**
1759fea7498SKiran Patil * ice_is_chnl_fltr - is this a valid channel filter
1769fea7498SKiran Patil * @f: Pointer to tc-flower filter
1779fea7498SKiran Patil *
1789fea7498SKiran Patil * Criteria to determine of given filter is valid channel filter
179143b86f3SAmritha Nambiar * or not is based on its destination.
180143b86f3SAmritha Nambiar * For forward to VSI action, if destination is valid hw_tc (aka tc_class)
181143b86f3SAmritha Nambiar * and in supported range of TCs for ADQ, then return true.
182143b86f3SAmritha Nambiar * For forward to queue, as long as dest_vsi is valid and it is of type
183143b86f3SAmritha Nambiar * VSI_CHNL (PF ADQ VSI is of type VSI_CHNL), return true.
184143b86f3SAmritha Nambiar * NOTE: For forward to queue, correct dest_vsi is still set in tc_fltr based
185143b86f3SAmritha Nambiar * on destination queue specified.
1869fea7498SKiran Patil */
ice_is_chnl_fltr(struct ice_tc_flower_fltr * f)1879fea7498SKiran Patil static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f)
1889fea7498SKiran Patil {
189143b86f3SAmritha Nambiar if (f->action.fltr_act == ICE_FWD_TO_VSI)
190143b86f3SAmritha Nambiar return f->action.fwd.tc.tc_class >= ICE_CHNL_START_TC &&
191143b86f3SAmritha Nambiar f->action.fwd.tc.tc_class < ICE_CHNL_MAX_TC;
192143b86f3SAmritha Nambiar else if (f->action.fltr_act == ICE_FWD_TO_Q)
193143b86f3SAmritha Nambiar return f->dest_vsi && f->dest_vsi->type == ICE_VSI_CHNL;
194143b86f3SAmritha Nambiar
195143b86f3SAmritha Nambiar return false;
1969fea7498SKiran Patil }
1979fea7498SKiran Patil
1989fea7498SKiran Patil /**
1999fea7498SKiran Patil * ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count
2009fea7498SKiran Patil * @pf: Pointer to PF
2019fea7498SKiran Patil */
ice_chnl_dmac_fltr_cnt(struct ice_pf * pf)2029fea7498SKiran Patil static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf)
2039fea7498SKiran Patil {
2049fea7498SKiran Patil return pf->num_dmac_chnl_fltrs;
2059fea7498SKiran Patil }
2069fea7498SKiran Patil
207*479cdfe3SSridhar Samudrala struct ice_vsi *ice_locate_vsi_using_queue(struct ice_vsi *vsi, int queue);
2080d08a441SKiran Patil int
2090d08a441SKiran Patil ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi,
2100d08a441SKiran Patil struct flow_cls_offload *cls_flower);
2110d08a441SKiran Patil int
2120d08a441SKiran Patil ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower);
2137fde6d8bSMichal Swiatkowski void ice_replay_tc_fltrs(struct ice_pf *pf);
2149e300987SMichal Swiatkowski bool ice_is_tunnel_supported(struct net_device *dev);
2150d08a441SKiran Patil
ice_is_forward_action(enum ice_sw_fwd_act_type fltr_act)216390889a4SAmritha Nambiar static inline bool ice_is_forward_action(enum ice_sw_fwd_act_type fltr_act)
217390889a4SAmritha Nambiar {
218390889a4SAmritha Nambiar switch (fltr_act) {
219390889a4SAmritha Nambiar case ICE_FWD_TO_VSI:
220390889a4SAmritha Nambiar case ICE_FWD_TO_Q:
221390889a4SAmritha Nambiar return true;
222390889a4SAmritha Nambiar default:
223390889a4SAmritha Nambiar return false;
224390889a4SAmritha Nambiar }
225390889a4SAmritha Nambiar }
2260d08a441SKiran Patil #endif /* _ICE_TC_LIB_H_ */
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