167 lines
4.1 KiB
C
167 lines
4.1 KiB
C
/* 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 50
|
|
#define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
|
|
|
|
/* macros for offsets into packets for flow director programming */
|
|
#define ICE_IPV4_SRC_ADDR_OFFSET 26
|
|
#define ICE_IPV4_DST_ADDR_OFFSET 30
|
|
#define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
|
|
#define ICE_IPV4_TCP_DST_PORT_OFFSET 36
|
|
#define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
|
|
#define ICE_IPV4_UDP_DST_PORT_OFFSET 36
|
|
#define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
|
|
#define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
|
|
#define ICE_IPV4_PROTO_OFFSET 23
|
|
#define ICE_IPV6_SRC_ADDR_OFFSET 22
|
|
#define ICE_IPV6_DST_ADDR_OFFSET 38
|
|
#define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
|
|
#define ICE_IPV6_TCP_DST_PORT_OFFSET 56
|
|
#define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
|
|
#define ICE_IPV6_UDP_DST_PORT_OFFSET 56
|
|
#define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
|
|
#define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
|
|
/* 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_DF 0x20
|
|
|
|
enum ice_fltr_prgm_desc_dest {
|
|
ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
|
|
ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
|
|
};
|
|
|
|
enum ice_fltr_prgm_desc_fd_status {
|
|
ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
|
|
ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
|
|
};
|
|
|
|
/* Flow Director (FD) Filter Programming descriptor */
|
|
struct ice_fd_fltr_desc_ctx {
|
|
u32 fdid;
|
|
u16 qindex;
|
|
u16 cnt_index;
|
|
u16 fd_vsi;
|
|
u16 flex_val;
|
|
u8 comp_q;
|
|
u8 comp_report;
|
|
u8 fd_space;
|
|
u8 cnt_ena;
|
|
u8 evict_ena;
|
|
u8 toq;
|
|
u8 toq_prio;
|
|
u8 dpu_recipe;
|
|
u8 drop;
|
|
u8 flex_prio;
|
|
u8 flex_mdid;
|
|
u8 dtype;
|
|
u8 pcmd;
|
|
u8 desc_prof_prio;
|
|
u8 desc_prof;
|
|
u8 swap;
|
|
u8 fdid_prio;
|
|
u8 fdid_mdid;
|
|
};
|
|
|
|
#define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
|
|
|
|
struct ice_rx_flow_userdef {
|
|
u16 flex_word;
|
|
u16 flex_offset;
|
|
u16 flex_fltr;
|
|
};
|
|
|
|
struct ice_fdir_v4 {
|
|
__be32 dst_ip;
|
|
__be32 src_ip;
|
|
__be16 dst_port;
|
|
__be16 src_port;
|
|
__be32 l4_header;
|
|
__be32 sec_parm_idx; /* security parameter index */
|
|
u8 tos;
|
|
u8 ip_ver;
|
|
u8 proto;
|
|
};
|
|
|
|
#define ICE_IPV6_ADDR_LEN_AS_U32 4
|
|
|
|
struct ice_fdir_v6 {
|
|
__be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
|
|
__be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
|
|
__be16 dst_port;
|
|
__be16 src_port;
|
|
__be32 l4_header; /* next header */
|
|
__be32 sec_parm_idx; /* security parameter index */
|
|
u8 tc;
|
|
u8 proto;
|
|
};
|
|
|
|
struct ice_fdir_extra {
|
|
u8 dst_mac[ETH_ALEN]; /* dest MAC address */
|
|
u32 usr_def[2]; /* user data */
|
|
__be16 vlan_type; /* VLAN ethertype */
|
|
__be16 vlan_tag; /* VLAN tag info */
|
|
};
|
|
|
|
struct ice_fdir_fltr {
|
|
struct list_head fltr_node;
|
|
enum ice_fltr_ptype flow_type;
|
|
|
|
union {
|
|
struct ice_fdir_v4 v4;
|
|
struct ice_fdir_v6 v6;
|
|
} ip, mask;
|
|
|
|
struct ice_fdir_extra ext_data;
|
|
struct ice_fdir_extra ext_mask;
|
|
|
|
/* flex byte filter data */
|
|
__be16 flex_word;
|
|
u16 flex_offset;
|
|
u16 flex_fltr;
|
|
|
|
/* filter control */
|
|
u16 q_index;
|
|
u16 dest_vsi;
|
|
u8 dest_ctl;
|
|
u8 fltr_status;
|
|
u16 cnt_index;
|
|
u32 fltr_id;
|
|
};
|
|
|
|
/* Dummy packet filter definition structure */
|
|
struct ice_fdir_base_pkt {
|
|
enum ice_fltr_ptype flow;
|
|
u16 pkt_len;
|
|
const u8 *pkt;
|
|
u16 tun_pkt_len;
|
|
const u8 *tun_pkt;
|
|
};
|
|
|
|
enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
|
|
enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
|
|
enum ice_status
|
|
ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
|
|
enum ice_status
|
|
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);
|
|
enum ice_status
|
|
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);
|
|
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_ */
|