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_TOS_OFFSET 1
51 #define ICE_IPV4_NO_MAC_TTL_OFFSET 8
52 #define ICE_IPV4_NO_MAC_PROTO_OFFSET 9
53 #define ICE_IPV4_NO_MAC_SRC_ADDR_OFFSET 12
54 #define ICE_IPV4_NO_MAC_DST_ADDR_OFFSET 16
55 #define ICE_TCP4_NO_MAC_SRC_PORT_OFFSET 20
56 #define ICE_TCP4_NO_MAC_DST_PORT_OFFSET 22
57 #define ICE_UDP4_NO_MAC_SRC_PORT_OFFSET 20
58 #define ICE_UDP4_NO_MAC_DST_PORT_OFFSET 22
59 #define ICE_IPV4_GTPU_TEID_OFFSET 46
60 #define ICE_IPV4_GTPU_QFI_OFFSET 56
61 #define ICE_IPV6_GTPU_TEID_OFFSET 66
62 #define ICE_IPV6_GTPU_QFI_OFFSET 76
63 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
64 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
65 #define ICE_IPV4_ESP_SPI_OFFSET 34
66 #define ICE_IPV6_ESP_SPI_OFFSET 54
67 #define ICE_IPV4_AH_SPI_OFFSET 38
68 #define ICE_IPV6_AH_SPI_OFFSET 58
69 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42
70 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62
71 #define ICE_IPV4_VXLAN_VNI_OFFSET 45
72 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18
73 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46
75 #define ICE_FDIR_MAX_FLTRS 16384
77 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
78 * requests that the packet not be fragmented. MF indicates that a packet has
81 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
82 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40
84 enum ice_fltr_prgm_desc_dest {
85 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
86 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
87 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
88 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
91 enum ice_fltr_prgm_desc_fd_status {
92 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
93 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
94 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
95 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
98 /* Flow Director (FD) Filter Programming descriptor */
99 struct ice_fd_fltr_desc_ctx {
125 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
127 struct ice_rx_flow_userdef {
139 __be32 sec_parm_idx; /* security parameter index */
146 #define ICE_IPV6_ADDR_LEN_AS_U32 4
149 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
150 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
153 __be32 l4_header; /* next header */
154 __be32 sec_parm_idx; /* security parameter index */
160 struct ice_fdir_udp_gtp {
165 __be16 rsrvd_seq_nbr;
167 u8 rsrvd_next_ext_type;
178 struct ice_fdir_l2tpv3 {
182 struct ice_fdir_udp_vxlan {
183 __be32 vni; /* 8 bits reserved, always be zero */
186 struct ice_fdir_ecpri {
190 struct ice_fdir_extra {
191 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
192 u8 src_mac[ETH_ALEN]; /* src MAC address */
193 __be16 ether_type; /* for NON_IP_L2 */
194 u32 usr_def[2]; /* user data */
195 __be16 vlan_type; /* VLAN ethertype */
196 __be16 vlan_tag; /* VLAN tag info */
199 struct ice_fdir_fltr {
200 struct LIST_ENTRY_TYPE fltr_node;
201 enum ice_fltr_ptype flow_type;
204 struct ice_fdir_v4 v4;
205 struct ice_fdir_v6 v6;
208 /* for tunnel outer part */
210 struct ice_fdir_v4 v4;
211 struct ice_fdir_v6 v6;
212 } ip_outer, mask_outer;
214 struct ice_fdir_extra ext_data_outer;
215 struct ice_fdir_extra ext_mask_outer;
217 struct ice_fdir_udp_vxlan vxlan_data;
218 struct ice_fdir_udp_vxlan vxlan_mask;
220 struct ice_fdir_udp_gtp gtpu_data;
221 struct ice_fdir_udp_gtp gtpu_mask;
223 struct ice_fdir_l2tpv3 l2tpv3_data;
224 struct ice_fdir_l2tpv3 l2tpv3_mask;
226 struct ice_fdir_ecpri ecpri_data;
227 struct ice_fdir_ecpri ecpri_mask;
229 struct ice_fdir_extra ext_data;
230 struct ice_fdir_extra ext_mask;
232 /* flex byte filter data */
234 /* queue region size (=2^q_region) */
249 /* Set to true for an ACL filter */
253 /* Dummy packet filter definition structure */
254 struct ice_fdir_base_pkt {
255 enum ice_fltr_ptype flow;
262 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
263 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
265 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
267 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
269 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
271 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
272 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
274 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
275 struct ice_fltr_desc *fdesc, bool add);
277 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
278 u8 *pkt, bool frag, bool tun);
280 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
281 int ice_get_fdir_cnt_all(struct ice_hw *hw);
282 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
283 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
284 struct ice_fdir_fltr *
285 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
287 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
288 bool acl_fltr, bool add);
289 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
290 #endif /* _ICE_FDIR_H_ */