1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2020 Intel Corporation
8 #include "ice_common.h"
10 /* Flow Director (FD) Filter Programming descriptor */
11 struct ice_fd_fltr_desc_ctx {
37 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
38 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
39 void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx);
41 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
43 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
45 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
47 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
48 enum ice_status ice_clear_vsi_fd_table(struct ice_hw *hw, u16 vsi_num);
49 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
51 #define ICE_FDIR_IP_PROTOCOLS
52 #define ICE_IP_PROTO_TCP 6
53 #define ICE_IP_PROTO_UDP 17
54 #define ICE_IP_PROTO_SCTP 132
55 #define ICE_IP_PROTO_IP 0
56 #define ICE_IP_PROTO_ESP 50
58 #define ICE_FDIR_TUN_PKT_OFF 50
59 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
60 #define ICE_FDIR_BUF_FULL_MARGIN 10
61 #define ICE_FDIR_BUF_HEAD_ROOM 32
63 /* macros for offsets into packets for flow director programming */
64 #define ICE_IPV4_SRC_ADDR_OFFSET 26
65 #define ICE_IPV4_DST_ADDR_OFFSET 30
66 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
67 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
68 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
69 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
70 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
71 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
72 #define ICE_IPV4_PROTO_OFFSET 23
73 #define ICE_IPV6_SRC_ADDR_OFFSET 22
74 #define ICE_IPV6_DST_ADDR_OFFSET 38
75 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
76 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
77 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
78 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
79 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
80 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
82 #define ICE_MAC_ETHTYPE_OFFSET 12
83 #define ICE_IPV4_TOS_OFFSET 15
84 #define ICE_IPV4_TTL_OFFSET 22
85 #define ICE_IPV6_TC_OFFSET 14
86 #define ICE_IPV6_HLIM_OFFSET 21
87 #define ICE_IPV6_PROTO_OFFSET 20
88 #define ICE_IPV4_GTPU_TEID_OFFSET 46
89 #define ICE_IPV4_GTPU_QFI_OFFSET 56
91 #define ICE_FDIR_MAX_FLTRS 16384
93 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
94 * requests that the packet not be fragmented. MF indicates that a packet has
97 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
98 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40
100 enum ice_fltr_prgm_desc_dest {
101 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
102 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
103 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
104 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
107 enum ice_fltr_prgm_desc_fd_status {
108 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
109 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
110 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
111 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
114 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
116 struct ice_rx_flow_userdef {
128 __be32 sec_parm_idx; /* security parameter index */
135 #define ICE_IPV6_ADDR_LEN_AS_U32 4
138 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
139 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
142 __be32 l4_header; /* next header */
143 __be32 sec_parm_idx; /* security parameter index */
149 struct ice_fdir_udp_gtp {
154 __be16 rsrvd_seq_nbr;
156 u8 rsrvd_next_ext_type;
167 struct ice_fdir_extra {
168 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
169 __be16 ether_type; /* for NON_IP_L2 */
170 u32 usr_def[2]; /* user data */
171 __be16 vlan_type; /* VLAN ethertype */
172 __be16 vlan_tag; /* VLAN tag info */
175 struct ice_fdir_fltr {
176 struct LIST_ENTRY_TYPE fltr_node;
177 enum ice_fltr_ptype flow_type;
180 struct ice_fdir_v4 v4;
181 struct ice_fdir_v6 v6;
184 struct ice_fdir_udp_gtp gtpu_data;
185 struct ice_fdir_udp_gtp gtpu_mask;
187 struct ice_fdir_extra ext_data;
188 struct ice_fdir_extra ext_mask;
190 /* flex byte filter data */
192 /* queue region size (=2^q_region) */
206 /* Set to true for an ACL filter */
210 /* Dummy packet filter definition structure. */
211 struct ice_fdir_base_pkt {
212 enum ice_fltr_ptype flow;
220 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
221 struct ice_fltr_desc *fdesc, bool add);
223 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
224 u8 *pkt, bool frag, bool tun);
226 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
228 ice_add_del_fdir(struct ice_hw *hw, struct ice_fdir_fltr *input, bool add);
229 int ice_get_fdir_cnt_all(struct ice_hw *hw);
230 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
232 ice_update_fdir_list_entry(struct ice_hw *hw, struct ice_fdir_fltr *input,
234 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
235 struct ice_fdir_fltr *
236 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
238 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
239 bool acl_fltr, bool add);
240 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
241 #endif /* _ICE_FDIR_H_ */