linux/drivers/net/ethernet/intel/ice/ice_fdir.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2018-2020, Intel Corporation. */

#ifndef _ICE_FDIR_H_
#define _ICE_FDIR_H_

#define ICE_FDIR_TUN_PKT_OFF
#define ICE_FDIR_MAX_RAW_PKT_SIZE

/* macros for offsets into packets for flow director programming */
#define ICE_ETH_TYPE_F_OFFSET
#define ICE_ETH_VLAN_TCI_OFFSET
#define ICE_ETH_TYPE_VLAN_OFFSET
#define ICE_IPV4_SRC_ADDR_OFFSET
#define ICE_IPV4_DST_ADDR_OFFSET
#define ICE_IPV4_TCP_SRC_PORT_OFFSET
#define ICE_IPV4_TCP_DST_PORT_OFFSET
#define ICE_IPV4_UDP_SRC_PORT_OFFSET
#define ICE_IPV4_UDP_DST_PORT_OFFSET
#define ICE_IPV4_SCTP_SRC_PORT_OFFSET
#define ICE_IPV4_SCTP_DST_PORT_OFFSET
#define ICE_IPV4_PROTO_OFFSET
#define ICE_IPV6_SRC_ADDR_OFFSET
#define ICE_IPV6_DST_ADDR_OFFSET
#define ICE_IPV6_TCP_SRC_PORT_OFFSET
#define ICE_IPV6_TCP_DST_PORT_OFFSET
#define ICE_IPV6_UDP_SRC_PORT_OFFSET
#define ICE_IPV6_UDP_DST_PORT_OFFSET
#define ICE_IPV6_SCTP_SRC_PORT_OFFSET
#define ICE_IPV6_SCTP_DST_PORT_OFFSET
#define ICE_MAC_ETHTYPE_OFFSET
#define ICE_IPV4_TOS_OFFSET
#define ICE_IPV4_TTL_OFFSET
#define ICE_IPV6_TC_OFFSET
#define ICE_IPV6_HLIM_OFFSET
#define ICE_IPV6_PROTO_OFFSET
#define ICE_IPV4_GTPU_TEID_OFFSET
#define ICE_IPV4_GTPU_QFI_OFFSET
#define ICE_IPV4_L2TPV3_SESS_ID_OFFSET
#define ICE_IPV6_L2TPV3_SESS_ID_OFFSET
#define ICE_IPV4_ESP_SPI_OFFSET
#define ICE_IPV6_ESP_SPI_OFFSET
#define ICE_IPV4_AH_SPI_OFFSET
#define ICE_IPV6_AH_SPI_OFFSET
#define ICE_IPV4_NAT_T_ESP_SPI_OFFSET
#define ICE_IPV6_NAT_T_ESP_SPI_OFFSET

#define ICE_FDIR_MAX_FLTRS

/* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
 * requests that the packet not be fragmented. MF indicates that a packet has
 * been fragmented.
 */
#define ICE_FDIR_IPV4_PKT_FLAG_MF

enum ice_fltr_prgm_desc_dest {};

enum ice_fltr_prgm_desc_fd_status {};

/* Flow Director (FD) Filter Programming descriptor */
struct ice_fd_fltr_desc_ctx {};

#define ICE_FLTR_PRGM_FLEX_WORD_SIZE

struct ice_rx_flow_userdef {};

struct ice_fdir_v4 {};

#define ICE_IPV6_ADDR_LEN_AS_U32

struct ice_fdir_v6 {};

struct ice_fdir_udp_gtp {};

struct ice_fdir_l2tpv3 {};

struct ice_fdir_extra {};

struct ice_fdir_fltr {};

/* Dummy packet filter definition structure */
struct ice_fdir_base_pkt {};

struct ice_vsi;

int ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
int ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
int ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
int ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
void
ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
		       struct ice_fltr_desc *fdesc, bool add);
int
ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
			  u8 *pkt, bool frag, bool tun);
int ice_get_fdir_cnt_all(struct ice_hw *hw);
int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi);
bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
struct ice_fdir_fltr *
ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
void
ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add);
void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
#endif /* _ICE_FDIR_H_ */