1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 Intel Corporation
5 #ifndef _ICE_PROTOCOL_TYPE_H_
6 #define _ICE_PROTOCOL_TYPE_H_
7 #include "ice_flex_type.h"
8 #define ICE_IPV6_ADDR_LENGTH 16
10 /* Each recipe can match up to 5 different fields. Fields to match can be meta-
11 * data, values extracted from packet headers, or results from other recipes.
12 * One of the 5 fields is reserved for matching the switch ID. So, up to 4
13 * recipes can provide intermediate results to another one through chaining,
14 * e.g. recipes 0, 1, 2, and 3 can provide intermediate results to recipe 4.
16 #define ICE_NUM_WORDS_RECIPE 4
18 /* Max recipes that can be chained */
19 #define ICE_MAX_CHAIN_RECIPE 5
21 /* 1 word reserved for switch ID from allowed 5 words.
22 * So a recipe can have max 4 words. And you can chain 5 such recipes
23 * together. So maximum words that can be programmed for look up is 5 * 4.
25 #define ICE_MAX_CHAIN_WORDS (ICE_NUM_WORDS_RECIPE * ICE_MAX_CHAIN_RECIPE)
27 /* Field vector index corresponding to chaining */
28 #define ICE_CHAIN_FV_INDEX_START 47
30 enum ice_protocol_type {
61 enum ice_sw_tunnel_type {
63 ICE_SW_TUN_AND_NON_TUN,
65 ICE_SW_TUN_GENEVE, /* GENEVE matches only non-VLAN pkts */
66 ICE_SW_TUN_GENEVE_VLAN, /* GENEVE matches both VLAN and non-VLAN pkts */
67 ICE_SW_TUN_VXLAN, /* VXLAN matches only non-VLAN pkts */
68 ICE_SW_TUN_VXLAN_VLAN, /* VXLAN matches both VLAN and non-VLAN pkts */
70 ICE_SW_TUN_UDP, /* This means all "UDP" tunnel types: VXLAN-GPE, VXLAN
78 ICE_SW_TUN_IPV4_GTPU_NO_PAY,
79 ICE_SW_TUN_IPV6_GTPU_NO_PAY,
80 ICE_SW_TUN_IPV4_GTPU_EH_IPV4,
81 ICE_SW_TUN_IPV4_GTPU_IPV4_UDP,
82 ICE_SW_TUN_IPV4_GTPU_EH_IPV4_UDP,
83 ICE_SW_TUN_IPV4_GTPU_IPV4_TCP,
84 ICE_SW_TUN_IPV4_GTPU_EH_IPV4_TCP,
85 ICE_SW_TUN_IPV4_GTPU_EH_IPV6,
86 ICE_SW_TUN_IPV4_GTPU_IPV6_UDP,
87 ICE_SW_TUN_IPV4_GTPU_EH_IPV6_UDP,
88 ICE_SW_TUN_IPV4_GTPU_IPV6_TCP,
89 ICE_SW_TUN_IPV4_GTPU_EH_IPV6_TCP,
90 ICE_SW_TUN_IPV6_GTPU_EH_IPV4,
91 ICE_SW_TUN_IPV6_GTPU_IPV4_UDP,
92 ICE_SW_TUN_IPV6_GTPU_EH_IPV4_UDP,
93 ICE_SW_TUN_IPV6_GTPU_IPV4_TCP,
94 ICE_SW_TUN_IPV6_GTPU_EH_IPV4_TCP,
95 ICE_SW_TUN_IPV6_GTPU_EH_IPV6,
96 ICE_SW_TUN_IPV6_GTPU_IPV6_UDP,
97 ICE_SW_TUN_IPV6_GTPU_EH_IPV6_UDP,
98 ICE_SW_TUN_IPV6_GTPU_IPV6_TCP,
99 ICE_SW_TUN_IPV6_GTPU_EH_IPV6_TCP,
101 ICE_SW_TUN_PPPOE_PAY,
102 ICE_SW_TUN_PPPOE_IPV4,
103 ICE_SW_TUN_PPPOE_IPV4_TCP,
104 ICE_SW_TUN_PPPOE_IPV4_UDP,
105 ICE_SW_TUN_PPPOE_IPV6,
106 ICE_SW_TUN_PPPOE_IPV6_TCP,
107 ICE_SW_TUN_PPPOE_IPV6_UDP,
112 ICE_SW_TUN_IPV4_NAT_T,
113 ICE_SW_TUN_IPV6_NAT_T,
114 ICE_SW_TUN_IPV4_L2TPV3,
115 ICE_SW_TUN_IPV6_L2TPV3,
116 ICE_SW_TUN_PROFID_IPV6_ESP,
117 ICE_SW_TUN_PROFID_IPV6_AH,
118 ICE_SW_TUN_PROFID_MAC_IPV6_L2TPV3,
119 ICE_SW_TUN_PROFID_IPV6_NAT_T,
120 ICE_SW_TUN_PROFID_IPV4_PFCP_NODE,
121 ICE_SW_TUN_PROFID_IPV4_PFCP_SESSION,
122 ICE_SW_TUN_PROFID_IPV6_PFCP_NODE,
123 ICE_SW_TUN_PROFID_IPV6_PFCP_SESSION,
124 ICE_SW_TUN_AND_NON_TUN_QINQ,
126 ICE_SW_TUN_PPPOE_QINQ,
127 ICE_SW_TUN_PPPOE_PAY_QINQ,
128 ICE_SW_TUN_PPPOE_IPV4_QINQ,
129 ICE_SW_TUN_PPPOE_IPV6_QINQ,
130 ICE_SW_TUN_IPV4_GTPU_IPV4,
131 ICE_SW_TUN_IPV4_GTPU_IPV6,
132 ICE_SW_TUN_IPV6_GTPU_IPV4,
133 ICE_SW_TUN_IPV6_GTPU_IPV6,
136 ICE_ALL_TUNNELS /* All tunnel types including NVGRE */
139 /* Decoders for ice_prot_id:
147 ICE_PROT_ID_INVAL = 0,
148 ICE_PROT_MAC_OF_OR_S = 1,
151 ICE_PROT_MAC_IN_MAC = 7,
152 ICE_PROT_ETYPE_OL = 9,
153 ICE_PROT_ETYPE_IL = 10,
155 ICE_PROT_EVLAN_O = 16,
156 ICE_PROT_VLAN_O = 17,
157 ICE_PROT_VLAN_IF = 18,
158 ICE_PROT_MPLS_OL_MINUS_1 = 27,
159 ICE_PROT_MPLS_OL_OR_OS = 28,
160 ICE_PROT_MPLS_IL = 29,
161 ICE_PROT_IPV4_OF_OR_S = 32,
162 ICE_PROT_IPV4_IL = 33,
163 ICE_PROT_IPV4_IL_IL = 34,
164 ICE_PROT_IPV6_OF_OR_S = 40,
165 ICE_PROT_IPV6_IL = 41,
166 ICE_PROT_IPV6_IL_IL = 42,
167 ICE_PROT_IPV6_NEXT_PROTO = 43,
168 ICE_PROT_IPV6_FRAG = 47,
169 ICE_PROT_TCP_IL = 49,
170 ICE_PROT_UDP_OF = 52,
171 ICE_PROT_UDP_IL_OR_S = 53,
172 ICE_PROT_GRE_OF = 64,
176 ICE_PROT_SCTP_IL = 96,
177 ICE_PROT_ICMP_IL = 98,
178 ICE_PROT_ICMPV6_IL = 100,
179 ICE_PROT_VRRP_F = 101,
181 ICE_PROT_PPPOE = 103,
182 ICE_PROT_L2TPV3 = 104,
183 ICE_PROT_ECPRI = 105,
185 ICE_PROT_ATAOE_OF = 114,
186 ICE_PROT_CTRL_OF = 116,
187 ICE_PROT_LLDP_OF = 117,
188 ICE_PROT_ARP_OF = 118,
189 ICE_PROT_EAPOL_OF = 120,
190 ICE_PROT_META_ID = 255, /* when offset == metaddata */
191 ICE_PROT_INVALID = 255 /* when offset == ICE_FV_OFFSET_INVAL */
194 #define ICE_VNI_OFFSET 12 /* offset of VNI from ICE_PROT_UDP_OF */
196 #define ICE_NAN_OFFSET 511
197 #define ICE_MAC_OFOS_HW 1
198 #define ICE_MAC_IL_HW 4
199 #define ICE_ETYPE_OL_HW 9
200 #define ICE_VLAN_OF_HW 16
201 #define ICE_VLAN_OL_HW 17
202 #define ICE_IPV4_OFOS_HW 32
203 #define ICE_IPV4_IL_HW 33
204 #define ICE_IPV6_OFOS_HW 40
205 #define ICE_IPV6_IL_HW 41
206 #define ICE_TCP_IL_HW 49
207 #define ICE_UDP_ILOS_HW 53
208 #define ICE_ESP_HW 88
210 #define ICE_SCTP_IL_HW 96
211 #define ICE_PPPOE_HW 103
212 #define ICE_L2TPV3_HW 104
214 /* ICE_UDP_OF is used to identify all 3 tunnel types
215 * VXLAN, GENEVE and VXLAN_GPE. To differentiate further
216 * need to use flags from the field vector
218 #define ICE_UDP_OF_HW 52 /* UDP Tunnels */
219 #define ICE_GRE_OF_HW 64 /* NVGRE */
220 #define ICE_META_DATA_ID_HW 255 /* this is used for tunnel type */
222 #define ICE_MDID_SIZE 2
223 #define ICE_TUN_FLAG_MDID 20
224 #define ICE_TUN_FLAG_MDID_OFF(word) (ICE_MDID_SIZE * (ICE_TUN_FLAG_MDID + (word)))
225 #define ICE_TUN_FLAG_MASK 0xFF
226 #define ICE_DIR_FLAG_MASK 0x10
227 #define ICE_TUN_FLAG_VLAN_MASK 0x01
228 #define ICE_TUN_FLAG_FV_IND 2
230 #define ICE_PROTOCOL_MAX_ENTRIES 16
232 /* Mapping of software defined protocol ID to hardware defined protocol ID */
233 struct ice_protocol_entry {
234 enum ice_protocol_type type;
238 struct ice_ether_hdr {
239 u8 dst_addr[ETH_ALEN];
240 u8 src_addr[ETH_ALEN];
243 struct ice_ethtype_hdr {
247 struct ice_ether_vlan_hdr {
248 u8 dst_addr[ETH_ALEN];
249 u8 src_addr[ETH_ALEN];
253 struct ice_vlan_hdr {
258 struct ice_ipv4_hdr {
271 struct ice_le_ver_tc_flow {
282 struct ice_ipv6_hdr {
283 __be32 be_ver_tc_flow;
287 u8 src_addr[ICE_IPV6_ADDR_LENGTH];
288 u8 dst_addr[ICE_IPV6_ADDR_LENGTH];
291 struct ice_sctp_hdr {
294 __be32 verification_tag;
305 struct ice_udp_tnl_hdr {
308 __be32 vni; /* only use lower 24-bits */
311 struct ice_udp_gtp_hdr {
316 __be16 rsrvd_seq_nbr;
325 struct ice_pppoe_hdr {
330 __be16 ppp_prot_id; /* control and data only */
333 struct ice_pfcp_hdr {
342 struct ice_l2tpv3_sess_hdr {
360 struct ice_nat_t_hdr {
361 struct ice_esp_hdr esp;
371 struct ice_ether_hdr eth_hdr;
372 struct ice_ethtype_hdr ethertype;
373 struct ice_vlan_hdr vlan_hdr;
374 struct ice_ipv4_hdr ipv4_hdr;
375 struct ice_ipv6_hdr ipv6_hdr;
376 struct ice_l4_hdr l4_hdr;
377 struct ice_sctp_hdr sctp_hdr;
378 struct ice_udp_tnl_hdr tnl_hdr;
379 struct ice_nvgre nvgre_hdr;
380 struct ice_udp_gtp_hdr gtp_hdr;
381 struct ice_pppoe_hdr pppoe_hdr;
382 struct ice_pfcp_hdr pfcp_hdr;
383 struct ice_l2tpv3_sess_hdr l2tpv3_sess_hdr;
384 struct ice_esp_hdr esp_hdr;
385 struct ice_ah_hdr ah_hdr;
386 struct ice_nat_t_hdr nat_t_hdr;
389 /* This is mapping table entry that maps every word within a given protocol
390 * structure to the real byte offset as per the specification of that
392 * for e.g. dst address is 3 words in ethertype header and corresponding bytes
393 * are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
395 struct ice_prot_ext_tbl_entry {
396 enum ice_protocol_type prot_type;
397 /* Byte offset into header of given protocol type */
398 u8 offs[sizeof(union ice_prot_hdr)];
401 /* Extractions to be looked up for a given recipe */
402 struct ice_prot_lkup_ext {
405 /* create a buffer to hold max words per recipe */
406 u16 field_off[ICE_MAX_CHAIN_WORDS];
407 u16 field_mask[ICE_MAX_CHAIN_WORDS];
409 struct ice_fv_word fv_words[ICE_MAX_CHAIN_WORDS];
411 /* Indicate field offsets that have field vector indices assigned */
412 ice_declare_bitmap(done, ICE_MAX_CHAIN_WORDS);
415 struct ice_pref_recipe_group {
416 u8 n_val_pairs; /* Number of valid pairs */
417 struct ice_fv_word pairs[ICE_NUM_WORDS_RECIPE];
418 u16 mask[ICE_NUM_WORDS_RECIPE];
421 struct ice_recp_grp_entry {
422 struct LIST_ENTRY_TYPE l_entry;
424 #define ICE_INVAL_CHAIN_IND 0xFF
427 u8 fv_idx[ICE_NUM_WORDS_RECIPE];
428 u16 fv_mask[ICE_NUM_WORDS_RECIPE];
429 struct ice_pref_recipe_group r_group;
431 #endif /* _ICE_PROTOCOL_TYPE_H_ */