1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2020 Intel Corporation
8 #include "ice_common.h"
10 #define ICE_FDIR_IP_PROTOCOLS
11 #define ICE_IP_PROTO_TCP 6
12 #define ICE_IP_PROTO_UDP 17
13 #define ICE_IP_PROTO_SCTP 132
14 #define ICE_IP_PROTO_IP 0
15 #define ICE_IP_PROTO_ESP 50
17 #define ICE_FDIR_TUN_PKT_OFF 50
18 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
19 #define ICE_FDIR_BUF_FULL_MARGIN 10
20 #define ICE_FDIR_BUF_HEAD_ROOM 32
22 /* macros for offsets into packets for flow director programming */
23 #define ICE_IPV4_SRC_ADDR_OFFSET 26
24 #define ICE_IPV4_DST_ADDR_OFFSET 30
25 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
26 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
27 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
28 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
29 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
30 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
31 #define ICE_IPV4_PROTO_OFFSET 23
32 #define ICE_IPV6_SRC_ADDR_OFFSET 22
33 #define ICE_IPV6_DST_ADDR_OFFSET 38
34 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
35 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
36 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
37 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
38 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
39 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
41 #define ICE_MAC_ETHTYPE_OFFSET 12
42 #define ICE_IPV4_TOS_OFFSET 15
43 #define ICE_IPV4_TTL_OFFSET 22
44 #define ICE_IPV6_TC_OFFSET 14
45 #define ICE_IPV6_HLIM_OFFSET 21
46 #define ICE_IPV6_PROTO_OFFSET 20
47 #define ICE_IPV4_GTPU_TEID_OFFSET 46
48 #define ICE_IPV4_GTPU_QFI_OFFSET 56
49 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
50 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
51 #define ICE_IPV4_ESP_SPI_OFFSET 34
52 #define ICE_IPV6_ESP_SPI_OFFSET 54
53 #define ICE_IPV4_AH_SPI_OFFSET 38
54 #define ICE_IPV6_AH_SPI_OFFSET 58
55 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42
56 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62
58 #define ICE_FDIR_MAX_FLTRS 16384
60 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
61 * requests that the packet not be fragmented. MF indicates that a packet has
64 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
65 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40
67 enum ice_fltr_prgm_desc_dest {
68 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
69 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
70 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
71 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
74 enum ice_fltr_prgm_desc_fd_status {
75 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
76 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
77 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
78 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
81 /* Flow Director (FD) Filter Programming descriptor */
82 struct ice_fd_fltr_desc_ctx {
108 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
110 struct ice_rx_flow_userdef {
122 __be32 sec_parm_idx; /* security parameter index */
129 #define ICE_IPV6_ADDR_LEN_AS_U32 4
132 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
133 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
136 __be32 l4_header; /* next header */
137 __be32 sec_parm_idx; /* security parameter index */
143 struct ice_fdir_udp_gtp {
148 __be16 rsrvd_seq_nbr;
150 u8 rsrvd_next_ext_type;
161 struct ice_fdir_l2tpv3 {
165 struct ice_fdir_extra {
166 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
167 __be16 ether_type; /* for NON_IP_L2 */
168 u32 usr_def[2]; /* user data */
169 __be16 vlan_type; /* VLAN ethertype */
170 __be16 vlan_tag; /* VLAN tag info */
173 struct ice_fdir_fltr {
174 struct LIST_ENTRY_TYPE fltr_node;
175 enum ice_fltr_ptype flow_type;
178 struct ice_fdir_v4 v4;
179 struct ice_fdir_v6 v6;
182 struct ice_fdir_udp_gtp gtpu_data;
183 struct ice_fdir_udp_gtp gtpu_mask;
185 struct ice_fdir_l2tpv3 l2tpv3_data;
186 struct ice_fdir_l2tpv3 l2tpv3_mask;
188 struct ice_fdir_extra ext_data;
189 struct ice_fdir_extra ext_mask;
191 /* flex byte filter data */
193 /* queue region size (=2^q_region) */
207 /* Set to true for an ACL filter */
211 /* Dummy packet filter definition structure */
212 struct ice_fdir_base_pkt {
213 enum ice_fltr_ptype flow;
220 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
221 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
222 void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx);
224 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
226 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
228 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
230 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
231 enum ice_status ice_clear_vsi_fd_table(struct ice_hw *hw, u16 vsi_num);
232 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
234 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
235 struct ice_fltr_desc *fdesc, bool add);
237 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
238 u8 *pkt, bool frag, bool tun);
240 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
242 ice_add_del_fdir(struct ice_hw *hw, struct ice_fdir_fltr *input, bool add);
243 int ice_get_fdir_cnt_all(struct ice_hw *hw);
244 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
246 ice_update_fdir_list_entry(struct ice_hw *hw, struct ice_fdir_fltr *input,
248 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
249 struct ice_fdir_fltr *
250 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
252 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
253 bool acl_fltr, bool add);
254 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
255 #endif /* _ICE_FDIR_H_ */