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 {
59 enum ice_sw_tunnel_type {
61 ICE_SW_TUN_AND_NON_TUN,
63 ICE_SW_TUN_GENEVE, /* GENEVE matches only non-VLAN pkts */
64 ICE_SW_TUN_GENEVE_VLAN, /* GENEVE matches both VLAN and non-VLAN pkts */
65 ICE_SW_TUN_VXLAN, /* VXLAN matches only non-VLAN pkts */
66 ICE_SW_TUN_VXLAN_VLAN, /* VXLAN matches both VLAN and non-VLAN pkts */
68 ICE_SW_TUN_UDP, /* This means all "UDP" tunnel types: VXLAN-GPE, VXLAN
76 ICE_SW_TUN_IPV4_GTPU_NO_PAY,
77 ICE_SW_TUN_IPV6_GTPU_NO_PAY,
80 ICE_SW_TUN_PPPOE_IPV4,
81 ICE_SW_TUN_PPPOE_IPV4_TCP,
82 ICE_SW_TUN_PPPOE_IPV4_UDP,
83 ICE_SW_TUN_PPPOE_IPV6,
84 ICE_SW_TUN_PPPOE_IPV6_TCP,
85 ICE_SW_TUN_PPPOE_IPV6_UDP,
90 ICE_SW_TUN_IPV4_NAT_T,
91 ICE_SW_TUN_IPV6_NAT_T,
92 ICE_SW_TUN_IPV4_L2TPV3,
93 ICE_SW_TUN_IPV6_L2TPV3,
94 ICE_SW_TUN_PROFID_IPV6_ESP,
95 ICE_SW_TUN_PROFID_IPV6_AH,
96 ICE_SW_TUN_PROFID_MAC_IPV6_L2TPV3,
97 ICE_SW_TUN_PROFID_IPV6_NAT_T,
98 ICE_SW_TUN_PROFID_IPV4_PFCP_NODE,
99 ICE_SW_TUN_PROFID_IPV4_PFCP_SESSION,
100 ICE_SW_TUN_PROFID_IPV6_PFCP_NODE,
101 ICE_SW_TUN_PROFID_IPV6_PFCP_SESSION,
102 ICE_SW_TUN_AND_NON_TUN_QINQ,
104 ICE_SW_TUN_PPPOE_QINQ,
105 ICE_SW_TUN_PPPOE_PAY_QINQ,
106 ICE_SW_TUN_PPPOE_IPV4_QINQ,
107 ICE_SW_TUN_PPPOE_IPV6_QINQ,
108 ICE_SW_TUN_IPV4_GTPU_IPV4,
109 ICE_SW_TUN_IPV4_GTPU_IPV6,
110 ICE_SW_TUN_IPV6_GTPU_IPV4,
111 ICE_SW_TUN_IPV6_GTPU_IPV6,
112 ICE_ALL_TUNNELS /* All tunnel types including NVGRE */
115 /* Decoders for ice_prot_id:
123 ICE_PROT_ID_INVAL = 0,
124 ICE_PROT_MAC_OF_OR_S = 1,
127 ICE_PROT_MAC_IN_MAC = 7,
128 ICE_PROT_ETYPE_OL = 9,
129 ICE_PROT_ETYPE_IL = 10,
131 ICE_PROT_EVLAN_O = 16,
132 ICE_PROT_VLAN_O = 17,
133 ICE_PROT_VLAN_IF = 18,
134 ICE_PROT_MPLS_OL_MINUS_1 = 27,
135 ICE_PROT_MPLS_OL_OR_OS = 28,
136 ICE_PROT_MPLS_IL = 29,
137 ICE_PROT_IPV4_OF_OR_S = 32,
138 ICE_PROT_IPV4_IL = 33,
139 ICE_PROT_IPV6_OF_OR_S = 40,
140 ICE_PROT_IPV6_IL = 41,
141 ICE_PROT_IPV6_FRAG = 47,
142 ICE_PROT_TCP_IL = 49,
143 ICE_PROT_UDP_OF = 52,
144 ICE_PROT_UDP_IL_OR_S = 53,
145 ICE_PROT_GRE_OF = 64,
149 ICE_PROT_SCTP_IL = 96,
150 ICE_PROT_ICMP_IL = 98,
151 ICE_PROT_ICMPV6_IL = 100,
152 ICE_PROT_VRRP_F = 101,
154 ICE_PROT_PPPOE = 103,
155 ICE_PROT_L2TPV3 = 104,
156 ICE_PROT_ECPRI = 105,
157 ICE_PROT_ATAOE_OF = 114,
158 ICE_PROT_CTRL_OF = 116,
159 ICE_PROT_LLDP_OF = 117,
160 ICE_PROT_ARP_OF = 118,
161 ICE_PROT_EAPOL_OF = 120,
162 ICE_PROT_META_ID = 255, /* when offset == metaddata */
163 ICE_PROT_INVALID = 255 /* when offset == ICE_FV_OFFSET_INVAL */
166 #define ICE_VNI_OFFSET 12 /* offset of VNI from ICE_PROT_UDP_OF */
168 #define ICE_MAC_OFOS_HW 1
169 #define ICE_MAC_IL_HW 4
170 #define ICE_ETYPE_OL_HW 9
171 #define ICE_VLAN_OF_HW 16
172 #define ICE_VLAN_OL_HW 17
173 #define ICE_IPV4_OFOS_HW 32
174 #define ICE_IPV4_IL_HW 33
175 #define ICE_IPV6_OFOS_HW 40
176 #define ICE_IPV6_IL_HW 41
177 #define ICE_TCP_IL_HW 49
178 #define ICE_UDP_ILOS_HW 53
179 #define ICE_ESP_HW 88
181 #define ICE_SCTP_IL_HW 96
182 #define ICE_PPPOE_HW 103
183 #define ICE_L2TPV3_HW 104
185 /* ICE_UDP_OF is used to identify all 3 tunnel types
186 * VXLAN, GENEVE and VXLAN_GPE. To differentiate further
187 * need to use flags from the field vector
189 #define ICE_UDP_OF_HW 52 /* UDP Tunnels */
190 #define ICE_GRE_OF_HW 64 /* NVGRE */
191 #define ICE_META_DATA_ID_HW 255 /* this is used for tunnel type */
193 #define ICE_MDID_SIZE 2
194 #define ICE_TUN_FLAG_MDID 21
195 #define ICE_TUN_FLAG_MDID_OFF (ICE_MDID_SIZE * ICE_TUN_FLAG_MDID)
196 #define ICE_TUN_FLAG_MASK 0xFF
197 #define ICE_TUN_FLAG_VLAN_MASK 0x01
198 #define ICE_TUN_FLAG_FV_IND 2
200 #define ICE_PROTOCOL_MAX_ENTRIES 16
202 /* Mapping of software defined protocol ID to hardware defined protocol ID */
203 struct ice_protocol_entry {
204 enum ice_protocol_type type;
208 struct ice_ether_hdr {
209 u8 dst_addr[ETH_ALEN];
210 u8 src_addr[ETH_ALEN];
213 struct ice_ethtype_hdr {
217 struct ice_ether_vlan_hdr {
218 u8 dst_addr[ETH_ALEN];
219 u8 src_addr[ETH_ALEN];
223 struct ice_vlan_hdr {
228 struct ice_ipv4_hdr {
241 struct ice_le_ver_tc_flow {
252 struct ice_ipv6_hdr {
253 __be32 be_ver_tc_flow;
257 u8 src_addr[ICE_IPV6_ADDR_LENGTH];
258 u8 dst_addr[ICE_IPV6_ADDR_LENGTH];
261 struct ice_sctp_hdr {
264 __be32 verification_tag;
275 struct ice_udp_tnl_hdr {
278 __be32 vni; /* only use lower 24-bits */
281 struct ice_udp_gtp_hdr {
286 __be16 rsrvd_seq_nbr;
295 struct ice_pppoe_hdr {
300 __be16 ppp_prot_id; /* control and data only */
303 struct ice_pfcp_hdr {
312 struct ice_l2tpv3_sess_hdr {
330 struct ice_nat_t_hdr {
331 struct ice_esp_hdr esp;
341 struct ice_ether_hdr eth_hdr;
342 struct ice_ethtype_hdr ethertype;
343 struct ice_vlan_hdr vlan_hdr;
344 struct ice_ipv4_hdr ipv4_hdr;
345 struct ice_ipv6_hdr ipv6_hdr;
346 struct ice_l4_hdr l4_hdr;
347 struct ice_sctp_hdr sctp_hdr;
348 struct ice_udp_tnl_hdr tnl_hdr;
349 struct ice_nvgre nvgre_hdr;
350 struct ice_udp_gtp_hdr gtp_hdr;
351 struct ice_pppoe_hdr pppoe_hdr;
352 struct ice_pfcp_hdr pfcp_hdr;
353 struct ice_l2tpv3_sess_hdr l2tpv3_sess_hdr;
354 struct ice_esp_hdr esp_hdr;
355 struct ice_ah_hdr ah_hdr;
356 struct ice_nat_t_hdr nat_t_hdr;
359 /* This is mapping table entry that maps every word within a given protocol
360 * structure to the real byte offset as per the specification of that
362 * for e.g. dst address is 3 words in ethertype header and corresponding bytes
363 * are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
365 struct ice_prot_ext_tbl_entry {
366 enum ice_protocol_type prot_type;
367 /* Byte offset into header of given protocol type */
368 u8 offs[sizeof(union ice_prot_hdr)];
371 /* Extractions to be looked up for a given recipe */
372 struct ice_prot_lkup_ext {
375 /* create a buffer to hold max words per recipe */
376 u16 field_off[ICE_MAX_CHAIN_WORDS];
377 u16 field_mask[ICE_MAX_CHAIN_WORDS];
379 struct ice_fv_word fv_words[ICE_MAX_CHAIN_WORDS];
381 /* Indicate field offsets that have field vector indices assigned */
382 ice_declare_bitmap(done, ICE_MAX_CHAIN_WORDS);
385 struct ice_pref_recipe_group {
386 u8 n_val_pairs; /* Number of valid pairs */
387 struct ice_fv_word pairs[ICE_NUM_WORDS_RECIPE];
388 u16 mask[ICE_NUM_WORDS_RECIPE];
391 struct ice_recp_grp_entry {
392 struct LIST_ENTRY_TYPE l_entry;
394 #define ICE_INVAL_CHAIN_IND 0xFF
397 u16 fv_idx[ICE_NUM_WORDS_RECIPE];
398 u16 fv_mask[ICE_NUM_WORDS_RECIPE];
399 struct ice_pref_recipe_group r_group;
401 #endif /* _ICE_PROTOCOL_TYPE_H_ */