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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2019-2021, Intel Corporation. */
#ifndef _ICE_TC_LIB_H_
#define _ICE_TC_LIB_H_
#define ICE_TC_FLWR_FIELD_DST_MAC BIT(0)
#define ICE_TC_FLWR_FIELD_SRC_MAC BIT(1)
#define ICE_TC_FLWR_FIELD_VLAN BIT(2)
#define ICE_TC_FLWR_FIELD_DEST_IPV4 BIT(3)
#define ICE_TC_FLWR_FIELD_SRC_IPV4 BIT(4)
#define ICE_TC_FLWR_FIELD_DEST_IPV6 BIT(5)
#define ICE_TC_FLWR_FIELD_SRC_IPV6 BIT(6)
#define ICE_TC_FLWR_FIELD_DEST_L4_PORT BIT(7)
#define ICE_TC_FLWR_FIELD_SRC_L4_PORT BIT(8)
#define ICE_TC_FLWR_FIELD_TENANT_ID BIT(9)
#define ICE_TC_FLWR_FIELD_ENC_DEST_IPV4 BIT(10)
#define ICE_TC_FLWR_FIELD_ENC_SRC_IPV4 BIT(11)
#define ICE_TC_FLWR_FIELD_ENC_DEST_IPV6 BIT(12)
#define ICE_TC_FLWR_FIELD_ENC_SRC_IPV6 BIT(13)
#define ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT BIT(14)
#define ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT BIT(15)
#define ICE_TC_FLWR_FIELD_ENC_DST_MAC BIT(16)
#define ICE_TC_FLWR_FIELD_ETH_TYPE_ID BIT(17)
struct ice_indr_block_priv {
struct net_device *netdev;
struct ice_netdev_priv *np;
struct list_head list;
};
struct ice_tc_flower_action {
u32 tc_class;
enum ice_sw_fwd_act_type fltr_act;
};
struct ice_tc_vlan_hdr {
__be16 vlan_id; /* Only last 12 bits valid */
u16 vlan_prio; /* Only last 3 bits valid (valid values: 0..7) */
};
struct ice_tc_l2_hdr {
u8 dst_mac[ETH_ALEN];
u8 src_mac[ETH_ALEN];
__be16 n_proto; /* Ethernet Protocol */
};
struct ice_tc_l3_hdr {
u8 ip_proto; /* IPPROTO value */
union {
struct {
struct in_addr dst_ip;
struct in_addr src_ip;
} v4;
struct {
struct in6_addr dst_ip6;
struct in6_addr src_ip6;
} v6;
} ip;
#define dst_ipv6 ip.v6.dst_ip6.s6_addr32
#define dst_ipv6_addr ip.v6.dst_ip6.s6_addr
#define src_ipv6 ip.v6.src_ip6.s6_addr32
#define src_ipv6_addr ip.v6.src_ip6.s6_addr
#define dst_ipv4 ip.v4.dst_ip.s_addr
#define src_ipv4 ip.v4.src_ip.s_addr
u8 tos;
u8 ttl;
};
struct ice_tc_l4_hdr {
__be16 dst_port;
__be16 src_port;
};
struct ice_tc_flower_lyr_2_4_hdrs {
/* L2 layer fields with their mask */
struct ice_tc_l2_hdr l2_key;
struct ice_tc_l2_hdr l2_mask;
struct ice_tc_vlan_hdr vlan_hdr;
/* L3 (IPv4[6]) layer fields with their mask */
struct ice_tc_l3_hdr l3_key;
struct ice_tc_l3_hdr l3_mask;
/* L4 layer fields with their mask */
struct ice_tc_l4_hdr l4_key;
struct ice_tc_l4_hdr l4_mask;
};
enum ice_eswitch_fltr_direction {
ICE_ESWITCH_FLTR_INGRESS,
ICE_ESWITCH_FLTR_EGRESS,
};
struct ice_tc_flower_fltr {
struct hlist_node tc_flower_node;
/* cookie becomes filter_rule_id if rule is added successfully */
unsigned long cookie;
/* add_adv_rule returns information like recipe ID, rule_id. Store
* those values since they are needed to remove advanced rule
*/
u16 rid;
u16 rule_id;
/* this could be queue/vsi_idx (sw handle)/queue_group, depending upon
* destination type
*/
u16 dest_id;
/* if dest_id is vsi_idx, then need to store destination VSI ptr */
struct ice_vsi *dest_vsi;
/* direction of fltr for eswitch use case */
enum ice_eswitch_fltr_direction direction;
/* Parsed TC flower configuration params */
struct ice_tc_flower_lyr_2_4_hdrs outer_headers;
struct ice_tc_flower_lyr_2_4_hdrs inner_headers;
struct ice_vsi *src_vsi;
__be32 tenant_id;
u32 flags;
struct ice_tc_flower_action action;
/* cache ptr which is used wherever needed to communicate netlink
* messages
*/
struct netlink_ext_ack *extack;
};
/**
* ice_is_chnl_fltr - is this a valid channel filter
* @f: Pointer to tc-flower filter
*
* Criteria to determine of given filter is valid channel filter
* or not is based on its "destination". If destination is hw_tc (aka tc_class)
* and it is non-zero, then it is valid channel (aka ADQ) filter
*/
static inline bool ice_is_chnl_fltr(struct ice_tc_flower_fltr *f)
{
return !!f->action.tc_class;
}
/**
* ice_chnl_dmac_fltr_cnt - DMAC based CHNL filter count
* @pf: Pointer to PF
*/
static inline int ice_chnl_dmac_fltr_cnt(struct ice_pf *pf)
{
return pf->num_dmac_chnl_fltrs;
}
int
ice_add_cls_flower(struct net_device *netdev, struct ice_vsi *vsi,
struct flow_cls_offload *cls_flower);
int
ice_del_cls_flower(struct ice_vsi *vsi, struct flow_cls_offload *cls_flower);
void ice_replay_tc_fltrs(struct ice_pf *pf);
#endif /* _ICE_TC_LIB_H_ */
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