1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2018-2020, Intel Corporation. */
7 #define ICE_FDIR_TUN_PKT_OFF 50
8 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
10 /* macros for offsets into packets for flow director programming */
11 #define ICE_IPV4_SRC_ADDR_OFFSET 26
12 #define ICE_IPV4_DST_ADDR_OFFSET 30
13 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
14 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
15 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
16 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
17 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
18 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
19 #define ICE_IPV4_PROTO_OFFSET 23
20 #define ICE_IPV6_SRC_ADDR_OFFSET 22
21 #define ICE_IPV6_DST_ADDR_OFFSET 38
22 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
23 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
24 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
25 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
26 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
27 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
28 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
29 * requests that the packet not be fragmented. MF indicates that a packet has
32 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
34 enum ice_fltr_prgm_desc_dest {
35 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
36 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
39 enum ice_fltr_prgm_desc_fd_status {
40 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
41 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
44 /* Flow Director (FD) Filter Programming descriptor */
45 struct ice_fd_fltr_desc_ctx {
71 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
73 struct ice_rx_flow_userdef {
85 __be32 sec_parm_idx; /* security parameter index */
91 #define ICE_IPV6_ADDR_LEN_AS_U32 4
94 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
95 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
98 __be32 l4_header; /* next header */
99 __be32 sec_parm_idx; /* security parameter index */
104 struct ice_fdir_extra {
105 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
106 u32 usr_def[2]; /* user data */
107 __be16 vlan_type; /* VLAN ethertype */
108 __be16 vlan_tag; /* VLAN tag info */
111 struct ice_fdir_fltr {
112 struct list_head fltr_node;
113 enum ice_fltr_ptype flow_type;
116 struct ice_fdir_v4 v4;
117 struct ice_fdir_v6 v6;
120 struct ice_fdir_extra ext_data;
121 struct ice_fdir_extra ext_mask;
123 /* flex byte filter data */
137 /* Dummy packet filter definition structure */
138 struct ice_fdir_base_pkt {
139 enum ice_fltr_ptype flow;
146 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
147 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
149 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
151 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
153 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
154 struct ice_fltr_desc *fdesc, bool add);
156 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
157 u8 *pkt, bool frag, bool tun);
158 int ice_get_fdir_cnt_all(struct ice_hw *hw);
159 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
160 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
161 struct ice_fdir_fltr *
162 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
164 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add);
165 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
166 #endif /* _ICE_FDIR_H_ */