1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 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_GTPU_IP_INNER_PKT_OFF 50
18 #define ICE_FDIR_GTPU_EH_INNER_PKT_OFF 58
20 #define ICE_FDIR_TUN_PKT_OFF 50
21 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
22 #define ICE_FDIR_BUF_FULL_MARGIN 10
24 /* macros for offsets into packets for flow director programming */
25 #define ICE_IPV4_SRC_ADDR_OFFSET 26
26 #define ICE_IPV4_DST_ADDR_OFFSET 30
27 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
28 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
29 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
30 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
31 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
32 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
33 #define ICE_IPV4_PROTO_OFFSET 23
34 #define ICE_IPV6_SRC_ADDR_OFFSET 22
35 #define ICE_IPV6_DST_ADDR_OFFSET 38
36 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
37 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
38 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
39 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
40 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
41 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
43 #define ICE_MAC_ETHTYPE_OFFSET 12
44 #define ICE_IPV4_TOS_OFFSET 15
45 #define ICE_IPV4_TTL_OFFSET 22
46 #define ICE_IPV6_TC_OFFSET 14
47 #define ICE_IPV6_HLIM_OFFSET 21
48 #define ICE_IPV6_PROTO_OFFSET 20
49 /* For TUN inner (without inner MAC) */
50 #define ICE_IPV4_NO_MAC_SRC_ADDR_OFFSET 12
51 #define ICE_IPV4_NO_MAC_DST_ADDR_OFFSET 16
52 #define ICE_TCP4_NO_MAC_SRC_PORT_OFFSET 20
53 #define ICE_TCP4_NO_MAC_DST_PORT_OFFSET 22
54 #define ICE_UDP4_NO_MAC_SRC_PORT_OFFSET 20
55 #define ICE_UDP4_NO_MAC_DST_PORT_OFFSET 22
56 #define ICE_IPV4_GTPU_TEID_OFFSET 46
57 #define ICE_IPV4_GTPU_QFI_OFFSET 56
58 #define ICE_IPV6_GTPU_TEID_OFFSET 66
59 #define ICE_IPV6_GTPU_QFI_OFFSET 76
60 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
61 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
62 #define ICE_IPV4_ESP_SPI_OFFSET 34
63 #define ICE_IPV6_ESP_SPI_OFFSET 54
64 #define ICE_IPV4_AH_SPI_OFFSET 38
65 #define ICE_IPV6_AH_SPI_OFFSET 58
66 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42
67 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62
68 #define ICE_IPV4_VXLAN_VNI_OFFSET 45
69 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18
70 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46
72 #define ICE_FDIR_MAX_FLTRS 16384
74 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
75 * requests that the packet not be fragmented. MF indicates that a packet has
78 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
79 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40
81 enum ice_fltr_prgm_desc_dest {
82 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
83 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
84 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
85 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
88 enum ice_fltr_prgm_desc_fd_status {
89 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
90 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
91 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
92 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
95 /* Flow Director (FD) Filter Programming descriptor */
96 struct ice_fd_fltr_desc_ctx {
122 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
124 struct ice_rx_flow_userdef {
136 __be32 sec_parm_idx; /* security parameter index */
143 #define ICE_IPV6_ADDR_LEN_AS_U32 4
146 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
147 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
150 __be32 l4_header; /* next header */
151 __be32 sec_parm_idx; /* security parameter index */
157 struct ice_fdir_udp_gtp {
162 __be16 rsrvd_seq_nbr;
164 u8 rsrvd_next_ext_type;
175 struct ice_fdir_l2tpv3 {
179 struct ice_fdir_udp_vxlan {
180 __be32 vni; /* 8 bits reserved, always be zero */
183 struct ice_fdir_ecpri {
187 struct ice_fdir_extra {
188 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
189 u8 src_mac[ETH_ALEN]; /* src MAC address */
190 __be16 ether_type; /* for NON_IP_L2 */
191 u32 usr_def[2]; /* user data */
192 __be16 vlan_type; /* VLAN ethertype */
193 __be16 vlan_tag; /* VLAN tag info */
196 struct ice_fdir_fltr {
197 struct LIST_ENTRY_TYPE fltr_node;
198 enum ice_fltr_ptype flow_type;
201 struct ice_fdir_v4 v4;
202 struct ice_fdir_v6 v6;
205 /* for tunnel outer part */
207 struct ice_fdir_v4 v4;
208 struct ice_fdir_v6 v6;
209 } ip_outer, mask_outer;
211 struct ice_fdir_extra ext_data_outer;
212 struct ice_fdir_extra ext_mask_outer;
214 struct ice_fdir_udp_vxlan vxlan_data;
215 struct ice_fdir_udp_vxlan vxlan_mask;
217 struct ice_fdir_udp_gtp gtpu_data;
218 struct ice_fdir_udp_gtp gtpu_mask;
220 struct ice_fdir_l2tpv3 l2tpv3_data;
221 struct ice_fdir_l2tpv3 l2tpv3_mask;
223 struct ice_fdir_ecpri ecpri_data;
224 struct ice_fdir_ecpri ecpri_mask;
226 struct ice_fdir_extra ext_data;
227 struct ice_fdir_extra ext_mask;
229 /* flex byte filter data */
231 /* queue region size (=2^q_region) */
246 /* Set to true for an ACL filter */
250 /* Dummy packet filter definition structure */
251 struct ice_fdir_base_pkt {
252 enum ice_fltr_ptype flow;
259 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
260 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
262 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
264 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
266 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
268 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
269 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
271 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
272 struct ice_fltr_desc *fdesc, bool add);
274 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
275 u8 *pkt, bool frag, bool tun);
277 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
278 int ice_get_fdir_cnt_all(struct ice_hw *hw);
279 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
280 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
281 struct ice_fdir_fltr *
282 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
284 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
285 bool acl_fltr, bool add);
286 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
287 #endif /* _ICE_FDIR_H_ */