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
19 #define ICE_FDIR_IPV4_GRE_INNER_PKT_OFF 38
20 #define ICE_FDIR_IPV6_GRE_INNER_PKT_OFF 58
22 #define ICE_FDIR_TUN_PKT_OFF 50
23 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
24 #define ICE_FDIR_BUF_FULL_MARGIN 10
26 /* macros for offsets into packets for flow director programming */
27 #define ICE_IPV4_SRC_ADDR_OFFSET 26
28 #define ICE_IPV4_DST_ADDR_OFFSET 30
29 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
30 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
31 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
32 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
33 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
34 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
35 #define ICE_IPV4_PROTO_OFFSET 23
36 #define ICE_IPV6_SRC_ADDR_OFFSET 22
37 #define ICE_IPV6_DST_ADDR_OFFSET 38
38 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
39 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
40 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
41 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
42 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
43 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
45 #define ICE_MAC_ETHTYPE_OFFSET 12
46 #define ICE_IPV4_TOS_OFFSET 15
47 #define ICE_IPV4_ID_OFFSET 18
48 #define ICE_IPV4_TTL_OFFSET 22
49 #define ICE_IPV6_TC_OFFSET 14
50 #define ICE_IPV6_HLIM_OFFSET 21
51 #define ICE_IPV6_PROTO_OFFSET 20
52 #define ICE_IPV6_ID_OFFSET 58
53 /* For TUN inner (without inner MAC) */
54 #define ICE_IPV4_NO_MAC_TOS_OFFSET 1
55 #define ICE_IPV4_NO_MAC_TTL_OFFSET 8
56 #define ICE_IPV4_NO_MAC_PROTO_OFFSET 9
57 #define ICE_IPV4_NO_MAC_SRC_ADDR_OFFSET 12
58 #define ICE_IPV4_NO_MAC_DST_ADDR_OFFSET 16
59 #define ICE_TCP4_NO_MAC_SRC_PORT_OFFSET 20
60 #define ICE_TCP4_NO_MAC_DST_PORT_OFFSET 22
61 #define ICE_UDP4_NO_MAC_SRC_PORT_OFFSET 20
62 #define ICE_UDP4_NO_MAC_DST_PORT_OFFSET 22
63 #define ICE_IPV6_NO_MAC_TC_OFFSET 0
64 #define ICE_IPV6_NO_MAC_HLIM_OFFSET 7
65 #define ICE_IPV6_NO_MAC_PROTO_OFFSET 6
66 #define ICE_IPV6_NO_MAC_SRC_ADDR_OFFSET 8
67 #define ICE_IPV6_NO_MAC_DST_ADDR_OFFSET 24
68 #define ICE_TCP6_NO_MAC_SRC_PORT_OFFSET 40
69 #define ICE_TCP6_NO_MAC_DST_PORT_OFFSET 42
70 #define ICE_UDP6_NO_MAC_SRC_PORT_OFFSET 40
71 #define ICE_UDP6_NO_MAC_DST_PORT_OFFSET 42
72 #define ICE_IPV4_GTPU_TEID_OFFSET 46
73 #define ICE_IPV4_GTPU_QFI_OFFSET 56
74 #define ICE_IPV6_GTPU_TEID_OFFSET 66
75 #define ICE_IPV6_GTPU_QFI_OFFSET 76
76 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
77 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
78 #define ICE_IPV4_ESP_SPI_OFFSET 34
79 #define ICE_IPV6_ESP_SPI_OFFSET 54
80 #define ICE_IPV4_AH_SPI_OFFSET 38
81 #define ICE_IPV6_AH_SPI_OFFSET 58
82 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42
83 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62
84 #define ICE_IPV4_VXLAN_VNI_OFFSET 46
85 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18
86 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46
88 #define ICE_FDIR_MAX_FLTRS 16384
90 /* IPv4 has 2 flag bits that enable fragment processing: DF and MF. DF
91 * requests that the packet not be fragmented. MF indicates that a packet has
92 * been fragmented, except that for the last fragment has a non-zero
93 * Fragment Offset field with zero MF.
95 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x20
96 #define ICE_FDIR_IPV4_PKT_FLAG_MF_SHIFT 8
97 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x40
99 /* For IPv6 fragmented packets, all fragments except the last have
102 #define ICE_FDIR_IPV6_PKT_FLAG_MF 0x100
103 #define ICE_FDIR_IPV6_PKT_FLAG_MF_SHIFT 8
105 enum ice_fltr_prgm_desc_dest {
106 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
107 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
108 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
109 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
112 enum ice_fltr_prgm_desc_fd_status {
113 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
114 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
115 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
116 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
119 /* Flow Director (FD) Filter Programming descriptor */
120 struct ice_fd_fltr_desc_ctx {
146 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
148 struct ice_rx_flow_userdef {
160 __be32 sec_parm_idx; /* security parameter index */
168 #define ICE_IPV6_ADDR_LEN_AS_U32 4
171 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
172 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
175 __be32 l4_header; /* next header */
176 __be32 sec_parm_idx; /* security parameter index */
183 struct ice_fdir_udp_gtp {
188 __be16 rsrvd_seq_nbr;
190 u8 rsrvd_next_ext_type;
201 struct ice_fdir_l2tpv3 {
205 struct ice_fdir_udp_vxlan {
206 __be32 vni; /* 8 bits reserved, always be zero */
209 struct ice_fdir_ecpri {
213 struct ice_fdir_extra {
214 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
215 u8 src_mac[ETH_ALEN]; /* src MAC address */
216 __be16 ether_type; /* for NON_IP_L2 */
217 u32 usr_def[2]; /* user data */
218 __be16 vlan_type; /* VLAN ethertype */
219 __be16 vlan_tag; /* VLAN tag info */
222 struct ice_fdir_fltr {
223 struct LIST_ENTRY_TYPE fltr_node;
224 enum ice_fltr_ptype flow_type;
227 struct ice_fdir_v4 v4;
228 struct ice_fdir_v6 v6;
231 /* for tunnel outer part */
233 struct ice_fdir_v4 v4;
234 struct ice_fdir_v6 v6;
235 } ip_outer, mask_outer;
237 struct ice_fdir_extra ext_data_outer;
238 struct ice_fdir_extra ext_mask_outer;
240 struct ice_fdir_udp_vxlan vxlan_data;
241 struct ice_fdir_udp_vxlan vxlan_mask;
243 struct ice_fdir_udp_gtp gtpu_data;
244 struct ice_fdir_udp_gtp gtpu_mask;
246 struct ice_fdir_l2tpv3 l2tpv3_data;
247 struct ice_fdir_l2tpv3 l2tpv3_mask;
249 struct ice_fdir_ecpri ecpri_data;
250 struct ice_fdir_ecpri ecpri_mask;
252 struct ice_fdir_extra ext_data;
253 struct ice_fdir_extra ext_mask;
255 /* flex byte filter data */
257 /* queue region size (=2^q_region) */
272 /* Set to true for an ACL filter */
276 /* Dummy packet filter definition structure */
277 struct ice_fdir_base_pkt {
278 enum ice_fltr_ptype flow;
285 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
286 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
288 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
290 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
292 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
294 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
295 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
297 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
298 struct ice_fltr_desc *fdesc, bool add);
300 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
301 u8 *pkt, bool frag, bool tun);
303 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
304 int ice_get_fdir_cnt_all(struct ice_hw *hw);
305 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
306 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
307 struct ice_fdir_fltr *
308 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
310 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
311 bool acl_fltr, bool add);
312 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
313 #endif /* _ICE_FDIR_H_ */