1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018-2021 Beijing WangXun Technology Co., Ltd.
*/
#include <rte_mbuf.h>
#include <rte_memory.h>
#include "base/ngbe_type.h"
#include "ngbe_ptypes.h"
/* The ngbe_ptype_lookup is used to convert from the 8-bit ptid in the
* hardware to a bit-field that can be used by SW to more easily determine the
* packet type.
*
* Macros are used to shorten the table lines and make this table human
* readable.
*
* We store the PTYPE in the top byte of the bit field - this is just so that
* we can check that the table doesn't have a row missing, as the index into
* the table should be the PTYPE.
*/
#define TPTE(ptid, l2, l3, l4, tun, el2, el3, el4) \
[ptid] = (RTE_PTYPE_L2_##l2 | \
RTE_PTYPE_L3_##l3 | \
RTE_PTYPE_L4_##l4 | \
RTE_PTYPE_TUNNEL_##tun | \
RTE_PTYPE_INNER_L2_##el2 | \
RTE_PTYPE_INNER_L3_##el3 | \
RTE_PTYPE_INNER_L4_##el4)
#define RTE_PTYPE_L2_NONE 0
#define RTE_PTYPE_L3_NONE 0
#define RTE_PTYPE_L4_NONE 0
#define RTE_PTYPE_TUNNEL_NONE 0
#define RTE_PTYPE_INNER_L2_NONE 0
#define RTE_PTYPE_INNER_L3_NONE 0
#define RTE_PTYPE_INNER_L4_NONE 0
static alignas(RTE_CACHE_LINE_SIZE) u32 ngbe_ptype_lookup[NGBE_PTID_MAX] = {
/* L2:0-3 L3:4-7 L4:8-11 TUN:12-15 EL2:16-19 EL3:20-23 EL2:24-27 */
/* L2: ETH */
TPTE(0x10, ETHER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x11, ETHER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x12, ETHER_TIMESYNC, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x13, ETHER_FIP, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x14, ETHER_LLDP, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x15, ETHER_CNM, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x16, ETHER_EAPOL, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x17, ETHER_ARP, NONE, NONE, NONE, NONE, NONE, NONE),
/* L2: Ethertype Filter */
TPTE(0x18, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x19, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x1A, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x1B, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x1C, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x1D, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x1E, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
TPTE(0x1F, ETHER_FILTER, NONE, NONE, NONE, NONE, NONE, NONE),
/* L3: IP */
TPTE(0x20, ETHER, IPV4, NONFRAG, NONE, NONE, NONE, NONE),
TPTE(0x21, ETHER, IPV4, FRAG, NONE, NONE, NONE, NONE),
TPTE(0x22, ETHER, IPV4, NONFRAG, NONE, NONE, NONE, NONE),
TPTE(0x23, ETHER, IPV4, UDP, NONE, NONE, NONE, NONE),
TPTE(0x24, ETHER, IPV4, TCP, NONE, NONE, NONE, NONE),
TPTE(0x25, ETHER, IPV4, SCTP, NONE, NONE, NONE, NONE),
TPTE(0x29, ETHER, IPV6, FRAG, NONE, NONE, NONE, NONE),
TPTE(0x2A, ETHER, IPV6, NONFRAG, NONE, NONE, NONE, NONE),
TPTE(0x2B, ETHER, IPV6, UDP, NONE, NONE, NONE, NONE),
TPTE(0x2C, ETHER, IPV6, TCP, NONE, NONE, NONE, NONE),
TPTE(0x2D, ETHER, IPV6, SCTP, NONE, NONE, NONE, NONE),
/* IPv4 -> IPv4/IPv6 */
TPTE(0x81, ETHER, IPV4, NONE, IP, NONE, IPV4, FRAG),
TPTE(0x82, ETHER, IPV4, NONE, IP, NONE, IPV4, NONFRAG),
TPTE(0x83, ETHER, IPV4, NONE, IP, NONE, IPV4, UDP),
TPTE(0x84, ETHER, IPV4, NONE, IP, NONE, IPV4, TCP),
TPTE(0x85, ETHER, IPV4, NONE, IP, NONE, IPV4, SCTP),
TPTE(0x89, ETHER, IPV4, NONE, IP, NONE, IPV6, FRAG),
TPTE(0x8A, ETHER, IPV4, NONE, IP, NONE, IPV6, NONFRAG),
TPTE(0x8B, ETHER, IPV4, NONE, IP, NONE, IPV6, UDP),
TPTE(0x8C, ETHER, IPV4, NONE, IP, NONE, IPV6, TCP),
TPTE(0x8D, ETHER, IPV4, NONE, IP, NONE, IPV6, SCTP),
/* IPv6 -> IPv4/IPv6 */
TPTE(0xC1, ETHER, IPV6, NONE, IP, NONE, IPV4, FRAG),
TPTE(0xC2, ETHER, IPV6, NONE, IP, NONE, IPV4, NONFRAG),
TPTE(0xC3, ETHER, IPV6, NONE, IP, NONE, IPV4, UDP),
TPTE(0xC4, ETHER, IPV6, NONE, IP, NONE, IPV4, TCP),
TPTE(0xC5, ETHER, IPV6, NONE, IP, NONE, IPV4, SCTP),
TPTE(0xC9, ETHER, IPV6, NONE, IP, NONE, IPV6, FRAG),
TPTE(0xCA, ETHER, IPV6, NONE, IP, NONE, IPV6, NONFRAG),
TPTE(0xCB, ETHER, IPV6, NONE, IP, NONE, IPV6, UDP),
TPTE(0xCC, ETHER, IPV6, NONE, IP, NONE, IPV6, TCP),
TPTE(0xCD, ETHER, IPV6, NONE, IP, NONE, IPV6, SCTP),
};
u32 *ngbe_get_supported_ptypes(size_t *no_of_elements)
{
static u32 ptypes[] = {
/* For non-vec functions,
* refers to ngbe_rxd_pkt_info_to_pkt_type();
*/
RTE_PTYPE_L2_ETHER,
RTE_PTYPE_L3_IPV4,
RTE_PTYPE_L3_IPV4_EXT,
RTE_PTYPE_L3_IPV6,
RTE_PTYPE_L3_IPV6_EXT,
RTE_PTYPE_L4_SCTP,
RTE_PTYPE_L4_TCP,
RTE_PTYPE_L4_UDP,
RTE_PTYPE_TUNNEL_IP,
RTE_PTYPE_INNER_L3_IPV6,
RTE_PTYPE_INNER_L3_IPV6_EXT,
RTE_PTYPE_INNER_L4_TCP,
RTE_PTYPE_INNER_L4_UDP,
};
*no_of_elements = RTE_DIM(ptypes);
return ptypes;
}
static inline u8
ngbe_encode_ptype_mac(u32 ptype)
{
u8 ptid;
ptid = NGBE_PTID_PKT_MAC;
switch (ptype & RTE_PTYPE_L2_MASK) {
case RTE_PTYPE_UNKNOWN:
break;
case RTE_PTYPE_L2_ETHER_TIMESYNC:
ptid |= NGBE_PTID_TYP_TS;
break;
case RTE_PTYPE_L2_ETHER_ARP:
ptid |= NGBE_PTID_TYP_ARP;
break;
case RTE_PTYPE_L2_ETHER_LLDP:
ptid |= NGBE_PTID_TYP_LLDP;
break;
default:
ptid |= NGBE_PTID_TYP_MAC;
break;
}
return ptid;
}
static inline u8
ngbe_encode_ptype_ip(u32 ptype)
{
u8 ptid;
ptid = NGBE_PTID_PKT_IP;
switch (ptype & RTE_PTYPE_L3_MASK) {
case RTE_PTYPE_L3_IPV4:
case RTE_PTYPE_L3_IPV4_EXT:
case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
break;
case RTE_PTYPE_L3_IPV6:
case RTE_PTYPE_L3_IPV6_EXT:
case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
ptid |= NGBE_PTID_PKT_IPV6;
break;
default:
return ngbe_encode_ptype_mac(ptype);
}
switch (ptype & RTE_PTYPE_L4_MASK) {
case RTE_PTYPE_L4_TCP:
ptid |= NGBE_PTID_TYP_TCP;
break;
case RTE_PTYPE_L4_UDP:
ptid |= NGBE_PTID_TYP_UDP;
break;
case RTE_PTYPE_L4_SCTP:
ptid |= NGBE_PTID_TYP_SCTP;
break;
case RTE_PTYPE_L4_FRAG:
ptid |= NGBE_PTID_TYP_IPFRAG;
break;
default:
ptid |= NGBE_PTID_TYP_IPDATA;
break;
}
return ptid;
}
static inline u8
ngbe_encode_ptype_tunnel(u32 ptype)
{
u8 ptid;
ptid = NGBE_PTID_PKT_TUN;
switch (ptype & RTE_PTYPE_L3_MASK) {
case RTE_PTYPE_L3_IPV4:
case RTE_PTYPE_L3_IPV4_EXT:
case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
break;
case RTE_PTYPE_L3_IPV6:
case RTE_PTYPE_L3_IPV6_EXT:
case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
ptid |= NGBE_PTID_TUN_IPV6;
break;
default:
return ngbe_encode_ptype_ip(ptype);
}
/* VXLAN/GRE/Teredo/VXLAN-GPE are not supported in EM */
switch (ptype & RTE_PTYPE_TUNNEL_MASK) {
case RTE_PTYPE_TUNNEL_IP:
ptid |= NGBE_PTID_TUN_EI;
break;
case RTE_PTYPE_TUNNEL_GRE:
case RTE_PTYPE_TUNNEL_VXLAN_GPE:
ptid |= NGBE_PTID_TUN_EIG;
break;
case RTE_PTYPE_TUNNEL_VXLAN:
case RTE_PTYPE_TUNNEL_NVGRE:
case RTE_PTYPE_TUNNEL_GENEVE:
case RTE_PTYPE_TUNNEL_GRENAT:
break;
default:
return ptid;
}
switch (ptype & RTE_PTYPE_INNER_L2_MASK) {
case RTE_PTYPE_INNER_L2_ETHER:
ptid |= NGBE_PTID_TUN_EIGM;
break;
case RTE_PTYPE_INNER_L2_ETHER_VLAN:
ptid |= NGBE_PTID_TUN_EIGMV;
break;
case RTE_PTYPE_INNER_L2_ETHER_QINQ:
ptid |= NGBE_PTID_TUN_EIGMV;
break;
default:
break;
}
switch (ptype & RTE_PTYPE_INNER_L3_MASK) {
case RTE_PTYPE_INNER_L3_IPV4:
case RTE_PTYPE_INNER_L3_IPV4_EXT:
case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
break;
case RTE_PTYPE_INNER_L3_IPV6:
case RTE_PTYPE_INNER_L3_IPV6_EXT:
case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
ptid |= NGBE_PTID_PKT_IPV6;
break;
default:
return ptid;
}
switch (ptype & RTE_PTYPE_INNER_L4_MASK) {
case RTE_PTYPE_INNER_L4_TCP:
ptid |= NGBE_PTID_TYP_TCP;
break;
case RTE_PTYPE_INNER_L4_UDP:
ptid |= NGBE_PTID_TYP_UDP;
break;
case RTE_PTYPE_INNER_L4_SCTP:
ptid |= NGBE_PTID_TYP_SCTP;
break;
case RTE_PTYPE_INNER_L4_FRAG:
ptid |= NGBE_PTID_TYP_IPFRAG;
break;
default:
ptid |= NGBE_PTID_TYP_IPDATA;
break;
}
return ptid;
}
u32 ngbe_decode_ptype(u8 ptid)
{
if (-1 != ngbe_etflt_id(ptid))
return RTE_PTYPE_UNKNOWN;
return ngbe_ptype_lookup[ptid];
}
u8 ngbe_encode_ptype(u32 ptype)
{
u8 ptid = 0;
if (ptype & RTE_PTYPE_TUNNEL_MASK)
ptid = ngbe_encode_ptype_tunnel(ptype);
else if (ptype & RTE_PTYPE_L3_MASK)
ptid = ngbe_encode_ptype_ip(ptype);
else if (ptype & RTE_PTYPE_L2_MASK)
ptid = ngbe_encode_ptype_mac(ptype);
else
ptid = NGBE_PTID_NULL;
return ptid;
}
|
