1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2020 Intel Corporation
5 #include "ice_common.h"
8 /* Size of known protocol header fields */
9 #define ICE_FLOW_FLD_SZ_ETH_TYPE 2
10 #define ICE_FLOW_FLD_SZ_VLAN 2
11 #define ICE_FLOW_FLD_SZ_IPV4_ADDR 4
12 #define ICE_FLOW_FLD_SZ_IPV6_ADDR 16
13 #define ICE_FLOW_FLD_SZ_IPV6_PRE32_ADDR 4
14 #define ICE_FLOW_FLD_SZ_IPV6_PRE48_ADDR 6
15 #define ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR 8
16 #define ICE_FLOW_FLD_SZ_IP_DSCP 1
17 #define ICE_FLOW_FLD_SZ_IP_TTL 1
18 #define ICE_FLOW_FLD_SZ_IP_PROT 1
19 #define ICE_FLOW_FLD_SZ_PORT 2
20 #define ICE_FLOW_FLD_SZ_TCP_FLAGS 1
21 #define ICE_FLOW_FLD_SZ_ICMP_TYPE 1
22 #define ICE_FLOW_FLD_SZ_ICMP_CODE 1
23 #define ICE_FLOW_FLD_SZ_ARP_OPER 2
24 #define ICE_FLOW_FLD_SZ_GRE_KEYID 4
25 #define ICE_FLOW_FLD_SZ_GTP_TEID 4
26 #define ICE_FLOW_FLD_SZ_GTP_QFI 2
27 #define ICE_FLOW_FLD_SZ_PPPOE_SESS_ID 2
28 #define ICE_FLOW_FLD_SZ_PFCP_SEID 8
29 #define ICE_FLOW_FLD_SZ_L2TPV3_SESS_ID 4
30 #define ICE_FLOW_FLD_SZ_ESP_SPI 4
31 #define ICE_FLOW_FLD_SZ_AH_SPI 4
32 #define ICE_FLOW_FLD_SZ_NAT_T_ESP_SPI 4
34 /* Describe properties of a protocol header field */
35 struct ice_flow_field_info {
36 enum ice_flow_seg_hdr hdr;
37 s16 off; /* Offset from start of a protocol header, in bits */
38 u16 size; /* Size of fields in bits */
39 u16 mask; /* 16-bit mask for field */
42 #define ICE_FLOW_FLD_INFO(_hdr, _offset_bytes, _size_bytes) { \
44 .off = (_offset_bytes) * BITS_PER_BYTE, \
45 .size = (_size_bytes) * BITS_PER_BYTE, \
49 #define ICE_FLOW_FLD_INFO_MSK(_hdr, _offset_bytes, _size_bytes, _mask) { \
51 .off = (_offset_bytes) * BITS_PER_BYTE, \
52 .size = (_size_bytes) * BITS_PER_BYTE, \
56 /* Table containing properties of supported protocol header fields */
58 struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
60 /* ICE_FLOW_FIELD_IDX_ETH_DA */
61 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 0, ETH_ALEN),
62 /* ICE_FLOW_FIELD_IDX_ETH_SA */
63 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, ETH_ALEN, ETH_ALEN),
64 /* ICE_FLOW_FIELD_IDX_S_VLAN */
65 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VLAN, 12, ICE_FLOW_FLD_SZ_VLAN),
66 /* ICE_FLOW_FIELD_IDX_C_VLAN */
67 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VLAN, 14, ICE_FLOW_FLD_SZ_VLAN),
68 /* ICE_FLOW_FIELD_IDX_ETH_TYPE */
69 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 0, ICE_FLOW_FLD_SZ_ETH_TYPE),
71 /* ICE_FLOW_FIELD_IDX_IPV4_DSCP */
72 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV4, 0, ICE_FLOW_FLD_SZ_IP_DSCP,
74 /* ICE_FLOW_FIELD_IDX_IPV6_DSCP */
75 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV6, 0, ICE_FLOW_FLD_SZ_IP_DSCP,
77 /* ICE_FLOW_FIELD_IDX_IPV4_TTL */
78 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8,
79 ICE_FLOW_FLD_SZ_IP_TTL, 0xff00),
80 /* ICE_FLOW_FIELD_IDX_IPV4_PROT */
81 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8,
82 ICE_FLOW_FLD_SZ_IP_PROT, 0x00ff),
83 /* ICE_FLOW_FIELD_IDX_IPV6_TTL */
84 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6,
85 ICE_FLOW_FLD_SZ_IP_TTL, 0x00ff),
86 /* ICE_FLOW_FIELD_IDX_IPV6_PROT */
87 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6,
88 ICE_FLOW_FLD_SZ_IP_PROT, 0xff00),
89 /* ICE_FLOW_FIELD_IDX_IPV4_SA */
90 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 12, ICE_FLOW_FLD_SZ_IPV4_ADDR),
91 /* ICE_FLOW_FIELD_IDX_IPV4_DA */
92 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 16, ICE_FLOW_FLD_SZ_IPV4_ADDR),
93 /* ICE_FLOW_FIELD_IDX_IPV6_SA */
94 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8, ICE_FLOW_FLD_SZ_IPV6_ADDR),
95 /* ICE_FLOW_FIELD_IDX_IPV6_DA */
96 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24, ICE_FLOW_FLD_SZ_IPV6_ADDR),
97 /* ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA */
98 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8,
99 ICE_FLOW_FLD_SZ_IPV6_PRE32_ADDR),
100 /* ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA */
101 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24,
102 ICE_FLOW_FLD_SZ_IPV6_PRE32_ADDR),
103 /* ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA */
104 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8,
105 ICE_FLOW_FLD_SZ_IPV6_PRE48_ADDR),
106 /* ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA */
107 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24,
108 ICE_FLOW_FLD_SZ_IPV6_PRE48_ADDR),
109 /* ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA */
110 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8,
111 ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR),
112 /* ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA */
113 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24,
114 ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR),
116 /* ICE_FLOW_FIELD_IDX_TCP_SRC_PORT */
117 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 0, ICE_FLOW_FLD_SZ_PORT),
118 /* ICE_FLOW_FIELD_IDX_TCP_DST_PORT */
119 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 2, ICE_FLOW_FLD_SZ_PORT),
120 /* ICE_FLOW_FIELD_IDX_UDP_SRC_PORT */
121 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 0, ICE_FLOW_FLD_SZ_PORT),
122 /* ICE_FLOW_FIELD_IDX_UDP_DST_PORT */
123 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 2, ICE_FLOW_FLD_SZ_PORT),
124 /* ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT */
125 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 0, ICE_FLOW_FLD_SZ_PORT),
126 /* ICE_FLOW_FIELD_IDX_SCTP_DST_PORT */
127 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 2, ICE_FLOW_FLD_SZ_PORT),
128 /* ICE_FLOW_FIELD_IDX_TCP_FLAGS */
129 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 13, ICE_FLOW_FLD_SZ_TCP_FLAGS),
131 /* ICE_FLOW_FIELD_IDX_ARP_SIP */
132 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 14, ICE_FLOW_FLD_SZ_IPV4_ADDR),
133 /* ICE_FLOW_FIELD_IDX_ARP_DIP */
134 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 24, ICE_FLOW_FLD_SZ_IPV4_ADDR),
135 /* ICE_FLOW_FIELD_IDX_ARP_SHA */
136 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 8, ETH_ALEN),
137 /* ICE_FLOW_FIELD_IDX_ARP_DHA */
138 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 18, ETH_ALEN),
139 /* ICE_FLOW_FIELD_IDX_ARP_OP */
140 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 6, ICE_FLOW_FLD_SZ_ARP_OPER),
142 /* ICE_FLOW_FIELD_IDX_ICMP_TYPE */
143 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ICMP, 0, ICE_FLOW_FLD_SZ_ICMP_TYPE),
144 /* ICE_FLOW_FIELD_IDX_ICMP_CODE */
145 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ICMP, 1, ICE_FLOW_FLD_SZ_ICMP_CODE),
147 /* ICE_FLOW_FIELD_IDX_GRE_KEYID */
148 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GRE, 12, ICE_FLOW_FLD_SZ_GRE_KEYID),
150 /* ICE_FLOW_FIELD_IDX_GTPC_TEID */
151 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPC_TEID, 12,
152 ICE_FLOW_FLD_SZ_GTP_TEID),
153 /* ICE_FLOW_FIELD_IDX_GTPU_IP_TEID */
154 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_IP, 12,
155 ICE_FLOW_FLD_SZ_GTP_TEID),
156 /* ICE_FLOW_FIELD_IDX_GTPU_EH_TEID */
157 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_EH, 12,
158 ICE_FLOW_FLD_SZ_GTP_TEID),
159 /* ICE_FLOW_FIELD_IDX_GTPU_EH_QFI */
160 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_GTPU_EH, 22,
161 ICE_FLOW_FLD_SZ_GTP_QFI, 0x3f00),
162 /* ICE_FLOW_FIELD_IDX_GTPU_UP_TEID */
163 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_UP, 12,
164 ICE_FLOW_FLD_SZ_GTP_TEID),
165 /* ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID */
166 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_DWN, 12,
167 ICE_FLOW_FLD_SZ_GTP_TEID),
169 /* ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID */
170 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_PPPOE, 2,
171 ICE_FLOW_FLD_SZ_PPPOE_SESS_ID),
173 /* ICE_FLOW_FIELD_IDX_PFCP_SEID */
174 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_PFCP_SESSION, 12,
175 ICE_FLOW_FLD_SZ_PFCP_SEID),
177 /* ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID */
178 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_L2TPV3, 0,
179 ICE_FLOW_FLD_SZ_L2TPV3_SESS_ID),
181 /* ICE_FLOW_FIELD_IDX_ESP_SPI */
182 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ESP, 0,
183 ICE_FLOW_FLD_SZ_ESP_SPI),
185 /* ICE_FLOW_FIELD_IDX_AH_SPI */
186 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_AH, 4,
187 ICE_FLOW_FLD_SZ_AH_SPI),
189 /* ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI */
190 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_NAT_T_ESP, 8,
191 ICE_FLOW_FLD_SZ_NAT_T_ESP_SPI),
194 /* Bitmaps indicating relevant packet types for a particular protocol header
196 * Packet types for packets with an Outer/First/Single MAC header
198 static const u32 ice_ptypes_mac_ofos[] = {
199 0xFDC00846, 0xBFBF7F7E, 0xF70001DF, 0xFEFDFDFB,
200 0x0000077E, 0x00000000, 0x00000000, 0x00000000,
201 0x00400000, 0x03FFF000, 0x7FFFFFE0, 0x00000000,
202 0x00000000, 0x00000000, 0x00000000, 0x00000000,
203 0x00000000, 0x00000000, 0x00000000, 0x00000000,
204 0x00000000, 0x00000000, 0x00000000, 0x00000000,
205 0x00000000, 0x00000000, 0x00000000, 0x00000000,
206 0x00000000, 0x00000000, 0x00000000, 0x00000000,
209 /* Packet types for packets with an Innermost/Last MAC VLAN header */
210 static const u32 ice_ptypes_macvlan_il[] = {
211 0x00000000, 0xBC000000, 0x000001DF, 0xF0000000,
212 0x0000077E, 0x00000000, 0x00000000, 0x00000000,
213 0x00000000, 0x00000000, 0x00000000, 0x00000000,
214 0x00000000, 0x00000000, 0x00000000, 0x00000000,
215 0x00000000, 0x00000000, 0x00000000, 0x00000000,
216 0x00000000, 0x00000000, 0x00000000, 0x00000000,
217 0x00000000, 0x00000000, 0x00000000, 0x00000000,
218 0x00000000, 0x00000000, 0x00000000, 0x00000000,
221 /* Packet types for packets with an Outer/First/Single IPv4 header, does NOT
222 * include IPV4 other PTYPEs
224 static const u32 ice_ptypes_ipv4_ofos[] = {
225 0x1DC00000, 0x04000800, 0x00000000, 0x00000000,
226 0x00000000, 0x00000155, 0x00000000, 0x00000000,
227 0x00000000, 0x000FC000, 0x00000000, 0x00000000,
228 0x00000000, 0x00000000, 0x00000000, 0x00000000,
229 0x00000000, 0x00000000, 0x00000000, 0x00000000,
230 0x00000000, 0x00000000, 0x00000000, 0x00000000,
231 0x00000000, 0x00000000, 0x00000000, 0x00000000,
232 0x00000000, 0x00000000, 0x00000000, 0x00000000,
235 /* Packet types for packets with an Outer/First/Single IPv4 header, includes
238 static const u32 ice_ptypes_ipv4_ofos_all[] = {
239 0x1DC00000, 0x04000800, 0x00000000, 0x00000000,
240 0x00000000, 0x00000155, 0x00000000, 0x00000000,
241 0x00000000, 0x000FC000, 0x83E0F800, 0x00000101,
242 0x00000000, 0x00000000, 0x00000000, 0x00000000,
243 0x00000000, 0x00000000, 0x00000000, 0x00000000,
244 0x00000000, 0x00000000, 0x00000000, 0x00000000,
245 0x00000000, 0x00000000, 0x00000000, 0x00000000,
246 0x00000000, 0x00000000, 0x00000000, 0x00000000,
249 /* Packet types for packets with an Innermost/Last IPv4 header */
250 static const u32 ice_ptypes_ipv4_il[] = {
251 0xE0000000, 0xB807700E, 0x80000003, 0xE01DC03B,
252 0x0000000E, 0x00000000, 0x00000000, 0x00000000,
253 0x00000000, 0x00000000, 0x001FF800, 0x00000000,
254 0x00000000, 0x00000000, 0x00000000, 0x00000000,
255 0x00000000, 0x00000000, 0x00000000, 0x00000000,
256 0x00000000, 0x00000000, 0x00000000, 0x00000000,
257 0x00000000, 0x00000000, 0x00000000, 0x00000000,
258 0x00000000, 0x00000000, 0x00000000, 0x00000000,
261 /* Packet types for packets with an Outer/First/Single IPv6 header, does NOT
262 * include IVP6 other PTYPEs
264 static const u32 ice_ptypes_ipv6_ofos[] = {
265 0x00000000, 0x00000000, 0x77000000, 0x10002000,
266 0x00000000, 0x000002AA, 0x00000000, 0x00000000,
267 0x00000000, 0x03F00000, 0x00000000, 0x00000000,
268 0x00000000, 0x00000000, 0x00000000, 0x00000000,
269 0x00000000, 0x00000000, 0x00000000, 0x00000000,
270 0x00000000, 0x00000000, 0x00000000, 0x00000000,
271 0x00000000, 0x00000000, 0x00000000, 0x00000000,
272 0x00000000, 0x00000000, 0x00000000, 0x00000000,
275 /* Packet types for packets with an Outer/First/Single IPv6 header, includes
278 static const u32 ice_ptypes_ipv6_ofos_all[] = {
279 0x00000000, 0x00000000, 0x77000000, 0x10002000,
280 0x00000000, 0x000002AA, 0x00000000, 0x00000000,
281 0x00000000, 0x03F00000, 0x7C1F0000, 0x00000206,
282 0x00000000, 0x00000000, 0x00000000, 0x00000000,
283 0x00000000, 0x00000000, 0x00000000, 0x00000000,
284 0x00000000, 0x00000000, 0x00000000, 0x00000000,
285 0x00000000, 0x00000000, 0x00000000, 0x00000000,
286 0x00000000, 0x00000000, 0x00000000, 0x00000000,
289 /* Packet types for packets with an Innermost/Last IPv6 header */
290 static const u32 ice_ptypes_ipv6_il[] = {
291 0x00000000, 0x03B80770, 0x000001DC, 0x0EE00000,
292 0x00000770, 0x00000000, 0x00000000, 0x00000000,
293 0x00000000, 0x00000000, 0x7FE00000, 0x00000000,
294 0x00000000, 0x00000000, 0x00000000, 0x00000000,
295 0x00000000, 0x00000000, 0x00000000, 0x00000000,
296 0x00000000, 0x00000000, 0x00000000, 0x00000000,
297 0x00000000, 0x00000000, 0x00000000, 0x00000000,
298 0x00000000, 0x00000000, 0x00000000, 0x00000000,
301 /* Packet types for packets with an Outer/First/Single IPv4 header - no L4 */
302 static const u32 ice_ipv4_ofos_no_l4[] = {
303 0x10C00000, 0x04000800, 0x00000000, 0x00000000,
304 0x00000000, 0x00000000, 0x00000000, 0x00000000,
305 0x00000000, 0x000cc000, 0x00000000, 0x00000000,
306 0x00000000, 0x00000000, 0x00000000, 0x00000000,
307 0x00000000, 0x00000000, 0x00000000, 0x00000000,
308 0x00000000, 0x00000000, 0x00000000, 0x00000000,
309 0x00000000, 0x00000000, 0x00000000, 0x00000000,
310 0x00000000, 0x00000000, 0x00000000, 0x00000000,
313 /* Packet types for packets with an Innermost/Last IPv4 header - no L4 */
314 static const u32 ice_ipv4_il_no_l4[] = {
315 0x60000000, 0x18043008, 0x80000002, 0x6010c021,
316 0x00000008, 0x00000000, 0x00000000, 0x00000000,
317 0x00000000, 0x00000000, 0x00139800, 0x00000000,
318 0x00000000, 0x00000000, 0x00000000, 0x00000000,
319 0x00000000, 0x00000000, 0x00000000, 0x00000000,
320 0x00000000, 0x00000000, 0x00000000, 0x00000000,
321 0x00000000, 0x00000000, 0x00000000, 0x00000000,
322 0x00000000, 0x00000000, 0x00000000, 0x00000000,
325 /* Packet types for packets with an Outer/First/Single IPv6 header - no L4 */
326 static const u32 ice_ipv6_ofos_no_l4[] = {
327 0x00000000, 0x00000000, 0x43000000, 0x10002000,
328 0x00000000, 0x00000000, 0x00000000, 0x00000000,
329 0x00000000, 0x02300000, 0x00000000, 0x00000000,
330 0x00000000, 0x00000000, 0x00000000, 0x00000000,
331 0x00000000, 0x00000000, 0x00000000, 0x00000000,
332 0x00000000, 0x00000000, 0x00000000, 0x00000000,
333 0x00000000, 0x00000000, 0x00000000, 0x00000000,
334 0x00000000, 0x00000000, 0x00000000, 0x00000000,
337 /* Packet types for packets with an Innermost/Last IPv6 header - no L4 */
338 static const u32 ice_ipv6_il_no_l4[] = {
339 0x00000000, 0x02180430, 0x0000010c, 0x086010c0,
340 0x00000430, 0x00000000, 0x00000000, 0x00000000,
341 0x00000000, 0x00000000, 0x4e600000, 0x00000000,
342 0x00000000, 0x00000000, 0x00000000, 0x00000000,
343 0x00000000, 0x00000000, 0x00000000, 0x00000000,
344 0x00000000, 0x00000000, 0x00000000, 0x00000000,
345 0x00000000, 0x00000000, 0x00000000, 0x00000000,
346 0x00000000, 0x00000000, 0x00000000, 0x00000000,
349 /* Packet types for packets with an Outermost/First ARP header */
350 static const u32 ice_ptypes_arp_of[] = {
351 0x00000800, 0x00000000, 0x00000000, 0x00000000,
352 0x00000000, 0x00000000, 0x00000000, 0x00000000,
353 0x00000000, 0x00000000, 0x00000000, 0x00000000,
354 0x00000000, 0x00000000, 0x00000000, 0x00000000,
355 0x00000000, 0x00000000, 0x00000000, 0x00000000,
356 0x00000000, 0x00000000, 0x00000000, 0x00000000,
357 0x00000000, 0x00000000, 0x00000000, 0x00000000,
358 0x00000000, 0x00000000, 0x00000000, 0x00000000,
361 /* UDP Packet types for non-tunneled packets or tunneled
362 * packets with inner UDP.
364 static const u32 ice_ptypes_udp_il[] = {
365 0x81000000, 0x20204040, 0x04000010, 0x80810102,
366 0x00000040, 0x00000000, 0x00000000, 0x00000000,
367 0x00000000, 0x00410000, 0x90842000, 0x00000007,
368 0x00000000, 0x00000000, 0x00000000, 0x00000000,
369 0x00000000, 0x00000000, 0x00000000, 0x00000000,
370 0x00000000, 0x00000000, 0x00000000, 0x00000000,
371 0x00000000, 0x00000000, 0x00000000, 0x00000000,
372 0x00000000, 0x00000000, 0x00000000, 0x00000000,
375 /* Packet types for packets with an Innermost/Last TCP header */
376 static const u32 ice_ptypes_tcp_il[] = {
377 0x04000000, 0x80810102, 0x10000040, 0x02040408,
378 0x00000102, 0x00000000, 0x00000000, 0x00000000,
379 0x00000000, 0x00820000, 0x21084000, 0x00000000,
380 0x00000000, 0x00000000, 0x00000000, 0x00000000,
381 0x00000000, 0x00000000, 0x00000000, 0x00000000,
382 0x00000000, 0x00000000, 0x00000000, 0x00000000,
383 0x00000000, 0x00000000, 0x00000000, 0x00000000,
384 0x00000000, 0x00000000, 0x00000000, 0x00000000,
387 /* Packet types for packets with an Innermost/Last SCTP header */
388 static const u32 ice_ptypes_sctp_il[] = {
389 0x08000000, 0x01020204, 0x20000081, 0x04080810,
390 0x00000204, 0x00000000, 0x00000000, 0x00000000,
391 0x00000000, 0x01040000, 0x00000000, 0x00000000,
392 0x00000000, 0x00000000, 0x00000000, 0x00000000,
393 0x00000000, 0x00000000, 0x00000000, 0x00000000,
394 0x00000000, 0x00000000, 0x00000000, 0x00000000,
395 0x00000000, 0x00000000, 0x00000000, 0x00000000,
396 0x00000000, 0x00000000, 0x00000000, 0x00000000,
399 /* Packet types for packets with an Outermost/First ICMP header */
400 static const u32 ice_ptypes_icmp_of[] = {
401 0x10000000, 0x00000000, 0x00000000, 0x00000000,
402 0x00000000, 0x00000000, 0x00000000, 0x00000000,
403 0x00000000, 0x00000000, 0x00000000, 0x00000000,
404 0x00000000, 0x00000000, 0x00000000, 0x00000000,
405 0x00000000, 0x00000000, 0x00000000, 0x00000000,
406 0x00000000, 0x00000000, 0x00000000, 0x00000000,
407 0x00000000, 0x00000000, 0x00000000, 0x00000000,
408 0x00000000, 0x00000000, 0x00000000, 0x00000000,
411 /* Packet types for packets with an Innermost/Last ICMP header */
412 static const u32 ice_ptypes_icmp_il[] = {
413 0x00000000, 0x02040408, 0x40000102, 0x08101020,
414 0x00000408, 0x00000000, 0x00000000, 0x00000000,
415 0x00000000, 0x00000000, 0x42108000, 0x00000000,
416 0x00000000, 0x00000000, 0x00000000, 0x00000000,
417 0x00000000, 0x00000000, 0x00000000, 0x00000000,
418 0x00000000, 0x00000000, 0x00000000, 0x00000000,
419 0x00000000, 0x00000000, 0x00000000, 0x00000000,
420 0x00000000, 0x00000000, 0x00000000, 0x00000000,
423 /* Packet types for packets with an Outermost/First GRE header */
424 static const u32 ice_ptypes_gre_of[] = {
425 0x00000000, 0xBFBF7800, 0x000001DF, 0xFEFDE000,
426 0x0000017E, 0x00000000, 0x00000000, 0x00000000,
427 0x00000000, 0x00000000, 0x00000000, 0x00000000,
428 0x00000000, 0x00000000, 0x00000000, 0x00000000,
429 0x00000000, 0x00000000, 0x00000000, 0x00000000,
430 0x00000000, 0x00000000, 0x00000000, 0x00000000,
431 0x00000000, 0x00000000, 0x00000000, 0x00000000,
432 0x00000000, 0x00000000, 0x00000000, 0x00000000,
435 /* Packet types for packets with an Innermost/Last MAC header */
436 static const u32 ice_ptypes_mac_il[] = {
437 0x00000000, 0x00000000, 0x00000000, 0x00000000,
438 0x00000000, 0x00000000, 0x00000000, 0x00000000,
439 0x00000000, 0x00000000, 0x00000000, 0x00000000,
440 0x00000000, 0x00000000, 0x00000000, 0x00000000,
441 0x00000000, 0x00000000, 0x00000000, 0x00000000,
442 0x00000000, 0x00000000, 0x00000000, 0x00000000,
443 0x00000000, 0x00000000, 0x00000000, 0x00000000,
444 0x00000000, 0x00000000, 0x00000000, 0x00000000,
447 /* Packet types for GTPC */
448 static const u32 ice_ptypes_gtpc[] = {
449 0x00000000, 0x00000000, 0x00000000, 0x00000000,
450 0x00000000, 0x00000000, 0x00000000, 0x00000000,
451 0x00000000, 0x00000000, 0x00000180, 0x00000000,
452 0x00000000, 0x00000000, 0x00000000, 0x00000000,
453 0x00000000, 0x00000000, 0x00000000, 0x00000000,
454 0x00000000, 0x00000000, 0x00000000, 0x00000000,
455 0x00000000, 0x00000000, 0x00000000, 0x00000000,
456 0x00000000, 0x00000000, 0x00000000, 0x00000000,
459 /* Packet types for GTPC with TEID */
460 static const u32 ice_ptypes_gtpc_tid[] = {
461 0x00000000, 0x00000000, 0x00000000, 0x00000000,
462 0x00000000, 0x00000000, 0x00000000, 0x00000000,
463 0x00000000, 0x00000000, 0x00000060, 0x00000000,
464 0x00000000, 0x00000000, 0x00000000, 0x00000000,
465 0x00000000, 0x00000000, 0x00000000, 0x00000000,
466 0x00000000, 0x00000000, 0x00000000, 0x00000000,
467 0x00000000, 0x00000000, 0x00000000, 0x00000000,
468 0x00000000, 0x00000000, 0x00000000, 0x00000000,
471 /* Packet types for GTPU */
472 static const struct ice_ptype_attributes ice_attr_gtpu_session[] = {
473 { ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
474 { ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
475 { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
476 { ICE_MAC_IPV4_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
477 { ICE_MAC_IPV4_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_SESSION },
478 { ICE_MAC_IPV6_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
479 { ICE_MAC_IPV6_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
480 { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
481 { ICE_MAC_IPV6_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
482 { ICE_MAC_IPV6_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_SESSION },
483 { ICE_MAC_IPV4_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
484 { ICE_MAC_IPV4_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
485 { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
486 { ICE_MAC_IPV4_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
487 { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_SESSION },
488 { ICE_MAC_IPV6_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_SESSION },
489 { ICE_MAC_IPV6_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
490 { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
491 { ICE_MAC_IPV6_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_SESSION },
492 { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_SESSION },
495 static const struct ice_ptype_attributes ice_attr_gtpu_eh[] = {
496 { ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
497 { ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
498 { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
499 { ICE_MAC_IPV4_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
500 { ICE_MAC_IPV4_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_PDU_EH },
501 { ICE_MAC_IPV6_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
502 { ICE_MAC_IPV6_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
503 { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
504 { ICE_MAC_IPV6_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
505 { ICE_MAC_IPV6_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_PDU_EH },
506 { ICE_MAC_IPV4_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
507 { ICE_MAC_IPV4_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
508 { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
509 { ICE_MAC_IPV4_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
510 { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_PDU_EH },
511 { ICE_MAC_IPV6_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
512 { ICE_MAC_IPV6_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
513 { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
514 { ICE_MAC_IPV6_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
515 { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_PDU_EH },
518 static const struct ice_ptype_attributes ice_attr_gtpu_down[] = {
519 { ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_DOWNLINK },
520 { ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
521 { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
522 { ICE_MAC_IPV4_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_DOWNLINK },
523 { ICE_MAC_IPV4_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_DOWNLINK },
524 { ICE_MAC_IPV6_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_DOWNLINK },
525 { ICE_MAC_IPV6_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
526 { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
527 { ICE_MAC_IPV6_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_DOWNLINK },
528 { ICE_MAC_IPV6_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_DOWNLINK },
529 { ICE_MAC_IPV4_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_DOWNLINK },
530 { ICE_MAC_IPV4_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
531 { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
532 { ICE_MAC_IPV4_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_DOWNLINK },
533 { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_DOWNLINK },
534 { ICE_MAC_IPV6_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_DOWNLINK },
535 { ICE_MAC_IPV6_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
536 { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
537 { ICE_MAC_IPV6_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_DOWNLINK },
538 { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_DOWNLINK },
541 static const struct ice_ptype_attributes ice_attr_gtpu_up[] = {
542 { ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_UPLINK },
543 { ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
544 { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
545 { ICE_MAC_IPV4_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_UPLINK },
546 { ICE_MAC_IPV4_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_UPLINK },
547 { ICE_MAC_IPV6_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_UPLINK },
548 { ICE_MAC_IPV6_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
549 { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
550 { ICE_MAC_IPV6_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_UPLINK },
551 { ICE_MAC_IPV6_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_UPLINK },
552 { ICE_MAC_IPV4_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_UPLINK },
553 { ICE_MAC_IPV4_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
554 { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
555 { ICE_MAC_IPV4_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_UPLINK },
556 { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_UPLINK },
557 { ICE_MAC_IPV6_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_UPLINK },
558 { ICE_MAC_IPV6_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
559 { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
560 { ICE_MAC_IPV6_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_UPLINK },
561 { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_UPLINK },
564 static const u32 ice_ptypes_gtpu[] = {
565 0x00000000, 0x00000000, 0x00000000, 0x00000000,
566 0x00000000, 0x00000000, 0x00000000, 0x00000000,
567 0x00000000, 0x00000000, 0x7FFFFE00, 0x00000000,
568 0x00000000, 0x00000000, 0x00000000, 0x00000000,
569 0x00000000, 0x00000000, 0x00000000, 0x00000000,
570 0x00000000, 0x00000000, 0x00000000, 0x00000000,
571 0x00000000, 0x00000000, 0x00000000, 0x00000000,
572 0x00000000, 0x00000000, 0x00000000, 0x00000000,
575 /* Packet types for pppoe */
576 static const u32 ice_ptypes_pppoe[] = {
577 0x00000000, 0x00000000, 0x00000000, 0x00000000,
578 0x00000000, 0x00000000, 0x00000000, 0x00000000,
579 0x00000000, 0x03ffe000, 0x00000000, 0x00000000,
580 0x00000000, 0x00000000, 0x00000000, 0x00000000,
581 0x00000000, 0x00000000, 0x00000000, 0x00000000,
582 0x00000000, 0x00000000, 0x00000000, 0x00000000,
583 0x00000000, 0x00000000, 0x00000000, 0x00000000,
584 0x00000000, 0x00000000, 0x00000000, 0x00000000,
587 /* Packet types for packets with PFCP NODE header */
588 static const u32 ice_ptypes_pfcp_node[] = {
589 0x00000000, 0x00000000, 0x00000000, 0x00000000,
590 0x00000000, 0x00000000, 0x00000000, 0x00000000,
591 0x00000000, 0x00000000, 0x80000000, 0x00000002,
592 0x00000000, 0x00000000, 0x00000000, 0x00000000,
593 0x00000000, 0x00000000, 0x00000000, 0x00000000,
594 0x00000000, 0x00000000, 0x00000000, 0x00000000,
595 0x00000000, 0x00000000, 0x00000000, 0x00000000,
596 0x00000000, 0x00000000, 0x00000000, 0x00000000,
599 /* Packet types for packets with PFCP SESSION header */
600 static const u32 ice_ptypes_pfcp_session[] = {
601 0x00000000, 0x00000000, 0x00000000, 0x00000000,
602 0x00000000, 0x00000000, 0x00000000, 0x00000000,
603 0x00000000, 0x00000000, 0x00000000, 0x00000005,
604 0x00000000, 0x00000000, 0x00000000, 0x00000000,
605 0x00000000, 0x00000000, 0x00000000, 0x00000000,
606 0x00000000, 0x00000000, 0x00000000, 0x00000000,
607 0x00000000, 0x00000000, 0x00000000, 0x00000000,
608 0x00000000, 0x00000000, 0x00000000, 0x00000000,
611 /* Packet types for l2tpv3 */
612 static const u32 ice_ptypes_l2tpv3[] = {
613 0x00000000, 0x00000000, 0x00000000, 0x00000000,
614 0x00000000, 0x00000000, 0x00000000, 0x00000000,
615 0x00000000, 0x00000000, 0x00000000, 0x00000300,
616 0x00000000, 0x00000000, 0x00000000, 0x00000000,
617 0x00000000, 0x00000000, 0x00000000, 0x00000000,
618 0x00000000, 0x00000000, 0x00000000, 0x00000000,
619 0x00000000, 0x00000000, 0x00000000, 0x00000000,
620 0x00000000, 0x00000000, 0x00000000, 0x00000000,
623 /* Packet types for esp */
624 static const u32 ice_ptypes_esp[] = {
625 0x00000000, 0x00000000, 0x00000000, 0x00000000,
626 0x00000000, 0x00000003, 0x00000000, 0x00000000,
627 0x00000000, 0x00000000, 0x00000000, 0x00000000,
628 0x00000000, 0x00000000, 0x00000000, 0x00000000,
629 0x00000000, 0x00000000, 0x00000000, 0x00000000,
630 0x00000000, 0x00000000, 0x00000000, 0x00000000,
631 0x00000000, 0x00000000, 0x00000000, 0x00000000,
632 0x00000000, 0x00000000, 0x00000000, 0x00000000,
635 /* Packet types for ah */
636 static const u32 ice_ptypes_ah[] = {
637 0x00000000, 0x00000000, 0x00000000, 0x00000000,
638 0x00000000, 0x0000000C, 0x00000000, 0x00000000,
639 0x00000000, 0x00000000, 0x00000000, 0x00000000,
640 0x00000000, 0x00000000, 0x00000000, 0x00000000,
641 0x00000000, 0x00000000, 0x00000000, 0x00000000,
642 0x00000000, 0x00000000, 0x00000000, 0x00000000,
643 0x00000000, 0x00000000, 0x00000000, 0x00000000,
644 0x00000000, 0x00000000, 0x00000000, 0x00000000,
647 /* Packet types for packets with NAT_T ESP header */
648 static const u32 ice_ptypes_nat_t_esp[] = {
649 0x00000000, 0x00000000, 0x00000000, 0x00000000,
650 0x00000000, 0x00000030, 0x00000000, 0x00000000,
651 0x00000000, 0x00000000, 0x00000000, 0x00000000,
652 0x00000000, 0x00000000, 0x00000000, 0x00000000,
653 0x00000000, 0x00000000, 0x00000000, 0x00000000,
654 0x00000000, 0x00000000, 0x00000000, 0x00000000,
655 0x00000000, 0x00000000, 0x00000000, 0x00000000,
656 0x00000000, 0x00000000, 0x00000000, 0x00000000,
659 static const u32 ice_ptypes_mac_non_ip_ofos[] = {
660 0x00000846, 0x00000000, 0x00000000, 0x00000000,
661 0x00000000, 0x00000000, 0x00000000, 0x00000000,
662 0x00400000, 0x03FFF000, 0x00000000, 0x00000000,
663 0x00000000, 0x00000000, 0x00000000, 0x00000000,
664 0x00000000, 0x00000000, 0x00000000, 0x00000000,
665 0x00000000, 0x00000000, 0x00000000, 0x00000000,
666 0x00000000, 0x00000000, 0x00000000, 0x00000000,
667 0x00000000, 0x00000000, 0x00000000, 0x00000000,
670 /* Manage parameters and info. used during the creation of a flow profile */
671 struct ice_flow_prof_params {
673 u16 entry_length; /* # of bytes formatted entry will require */
675 struct ice_flow_prof *prof;
677 /* For ACL, the es[0] will have the data of ICE_RX_MDID_PKT_FLAGS_15_0
678 * This will give us the direction flags.
680 struct ice_fv_word es[ICE_MAX_FV_WORDS];
681 /* attributes can be used to add attributes to a particular PTYPE */
682 const struct ice_ptype_attributes *attr;
685 u16 mask[ICE_MAX_FV_WORDS];
686 ice_declare_bitmap(ptypes, ICE_FLOW_PTYPE_MAX);
689 #define ICE_FLOW_RSS_HDRS_INNER_MASK \
690 (ICE_FLOW_SEG_HDR_PPPOE | ICE_FLOW_SEG_HDR_GTPC | \
691 ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_GTPU | \
692 ICE_FLOW_SEG_HDR_PFCP_SESSION | ICE_FLOW_SEG_HDR_L2TPV3 | \
693 ICE_FLOW_SEG_HDR_ESP | ICE_FLOW_SEG_HDR_AH | \
694 ICE_FLOW_SEG_HDR_NAT_T_ESP)
696 #define ICE_FLOW_SEG_HDRS_L2_MASK \
697 (ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
698 #define ICE_FLOW_SEG_HDRS_L3_MASK \
699 (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6 | \
700 ICE_FLOW_SEG_HDR_ARP)
701 #define ICE_FLOW_SEG_HDRS_L4_MASK \
702 (ICE_FLOW_SEG_HDR_ICMP | ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | \
703 ICE_FLOW_SEG_HDR_SCTP)
704 /* mask for L4 protocols that are NOT part of IPV4/6 OTHER PTYPE groups */
705 #define ICE_FLOW_SEG_HDRS_L4_MASK_NO_OTHER \
706 (ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_SCTP)
709 * ice_flow_val_hdrs - validates packet segments for valid protocol headers
710 * @segs: array of one or more packet segments that describe the flow
711 * @segs_cnt: number of packet segments provided
713 static enum ice_status
714 ice_flow_val_hdrs(struct ice_flow_seg_info *segs, u8 segs_cnt)
718 for (i = 0; i < segs_cnt; i++) {
719 /* Multiple L3 headers */
720 if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK &&
721 !ice_is_pow2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK))
722 return ICE_ERR_PARAM;
724 /* Multiple L4 headers */
725 if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK &&
726 !ice_is_pow2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK))
727 return ICE_ERR_PARAM;
733 /* Sizes of fixed known protocol headers without header options */
734 #define ICE_FLOW_PROT_HDR_SZ_MAC 14
735 #define ICE_FLOW_PROT_HDR_SZ_MAC_VLAN (ICE_FLOW_PROT_HDR_SZ_MAC + 2)
736 #define ICE_FLOW_PROT_HDR_SZ_IPV4 20
737 #define ICE_FLOW_PROT_HDR_SZ_IPV6 40
738 #define ICE_FLOW_PROT_HDR_SZ_ARP 28
739 #define ICE_FLOW_PROT_HDR_SZ_ICMP 8
740 #define ICE_FLOW_PROT_HDR_SZ_TCP 20
741 #define ICE_FLOW_PROT_HDR_SZ_UDP 8
742 #define ICE_FLOW_PROT_HDR_SZ_SCTP 12
745 * ice_flow_calc_seg_sz - calculates size of a packet segment based on headers
746 * @params: information about the flow to be processed
747 * @seg: index of packet segment whose header size is to be determined
749 static u16 ice_flow_calc_seg_sz(struct ice_flow_prof_params *params, u8 seg)
754 sz = (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_VLAN) ?
755 ICE_FLOW_PROT_HDR_SZ_MAC_VLAN : ICE_FLOW_PROT_HDR_SZ_MAC;
758 if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV4)
759 sz += ICE_FLOW_PROT_HDR_SZ_IPV4;
760 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV6)
761 sz += ICE_FLOW_PROT_HDR_SZ_IPV6;
762 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_ARP)
763 sz += ICE_FLOW_PROT_HDR_SZ_ARP;
764 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK)
765 /* A L3 header is required if L4 is specified */
769 if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_ICMP)
770 sz += ICE_FLOW_PROT_HDR_SZ_ICMP;
771 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_TCP)
772 sz += ICE_FLOW_PROT_HDR_SZ_TCP;
773 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_UDP)
774 sz += ICE_FLOW_PROT_HDR_SZ_UDP;
775 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_SCTP)
776 sz += ICE_FLOW_PROT_HDR_SZ_SCTP;
782 * ice_flow_proc_seg_hdrs - process protocol headers present in pkt segments
783 * @params: information about the flow to be processed
785 * This function identifies the packet types associated with the protocol
786 * headers being present in packet segments of the specified flow profile.
788 static enum ice_status
789 ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params)
791 struct ice_flow_prof *prof;
794 ice_memset(params->ptypes, 0xff, sizeof(params->ptypes),
799 for (i = 0; i < params->prof->segs_cnt; i++) {
800 const ice_bitmap_t *src;
803 hdrs = prof->segs[i].hdrs;
805 if (hdrs & ICE_FLOW_SEG_HDR_ETH) {
806 src = !i ? (const ice_bitmap_t *)ice_ptypes_mac_ofos :
807 (const ice_bitmap_t *)ice_ptypes_mac_il;
808 ice_and_bitmap(params->ptypes, params->ptypes, src,
812 if (i && hdrs & ICE_FLOW_SEG_HDR_VLAN) {
813 src = (const ice_bitmap_t *)ice_ptypes_macvlan_il;
814 ice_and_bitmap(params->ptypes, params->ptypes, src,
818 if (!i && hdrs & ICE_FLOW_SEG_HDR_ARP) {
819 ice_and_bitmap(params->ptypes, params->ptypes,
820 (const ice_bitmap_t *)ice_ptypes_arp_of,
824 if (hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
825 src = (const ice_bitmap_t *)ice_ptypes_pppoe;
826 ice_and_bitmap(params->ptypes, params->ptypes, src,
829 if ((hdrs & ICE_FLOW_SEG_HDR_IPV4) &&
830 (hdrs & ICE_FLOW_SEG_HDR_IPV_OTHER)) {
832 (const ice_bitmap_t *)ice_ptypes_ipv4_il :
833 (const ice_bitmap_t *)ice_ptypes_ipv4_ofos_all;
834 ice_and_bitmap(params->ptypes, params->ptypes, src,
836 } else if ((hdrs & ICE_FLOW_SEG_HDR_IPV6) &&
837 (hdrs & ICE_FLOW_SEG_HDR_IPV_OTHER)) {
839 (const ice_bitmap_t *)ice_ptypes_ipv6_il :
840 (const ice_bitmap_t *)ice_ptypes_ipv6_ofos_all;
841 ice_and_bitmap(params->ptypes, params->ptypes, src,
843 } else if ((hdrs & ICE_FLOW_SEG_HDR_IPV4) &&
844 !(hdrs & ICE_FLOW_SEG_HDRS_L4_MASK_NO_OTHER)) {
845 src = !i ? (const ice_bitmap_t *)ice_ipv4_ofos_no_l4 :
846 (const ice_bitmap_t *)ice_ipv4_il_no_l4;
847 ice_and_bitmap(params->ptypes, params->ptypes, src,
849 } else if (hdrs & ICE_FLOW_SEG_HDR_IPV4) {
850 src = !i ? (const ice_bitmap_t *)ice_ptypes_ipv4_ofos :
851 (const ice_bitmap_t *)ice_ptypes_ipv4_il;
852 ice_and_bitmap(params->ptypes, params->ptypes, src,
854 } else if ((hdrs & ICE_FLOW_SEG_HDR_IPV6) &&
855 !(hdrs & ICE_FLOW_SEG_HDRS_L4_MASK_NO_OTHER)) {
856 src = !i ? (const ice_bitmap_t *)ice_ipv6_ofos_no_l4 :
857 (const ice_bitmap_t *)ice_ipv6_il_no_l4;
858 ice_and_bitmap(params->ptypes, params->ptypes, src,
860 } else if (hdrs & ICE_FLOW_SEG_HDR_IPV6) {
861 src = !i ? (const ice_bitmap_t *)ice_ptypes_ipv6_ofos :
862 (const ice_bitmap_t *)ice_ptypes_ipv6_il;
863 ice_and_bitmap(params->ptypes, params->ptypes, src,
867 if (hdrs & ICE_FLOW_SEG_HDR_ETH_NON_IP) {
868 src = (const ice_bitmap_t *)ice_ptypes_mac_non_ip_ofos;
869 ice_and_bitmap(params->ptypes, params->ptypes,
870 src, ICE_FLOW_PTYPE_MAX);
871 } else if (hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
872 src = (const ice_bitmap_t *)ice_ptypes_pppoe;
873 ice_and_bitmap(params->ptypes, params->ptypes, src,
876 src = (const ice_bitmap_t *)ice_ptypes_pppoe;
877 ice_andnot_bitmap(params->ptypes, params->ptypes, src,
881 if (hdrs & ICE_FLOW_SEG_HDR_UDP) {
882 src = (const ice_bitmap_t *)ice_ptypes_udp_il;
883 ice_and_bitmap(params->ptypes, params->ptypes, src,
885 } else if (hdrs & ICE_FLOW_SEG_HDR_TCP) {
886 ice_and_bitmap(params->ptypes, params->ptypes,
887 (const ice_bitmap_t *)ice_ptypes_tcp_il,
889 } else if (hdrs & ICE_FLOW_SEG_HDR_SCTP) {
890 src = (const ice_bitmap_t *)ice_ptypes_sctp_il;
891 ice_and_bitmap(params->ptypes, params->ptypes, src,
895 if (hdrs & ICE_FLOW_SEG_HDR_ICMP) {
896 src = !i ? (const ice_bitmap_t *)ice_ptypes_icmp_of :
897 (const ice_bitmap_t *)ice_ptypes_icmp_il;
898 ice_and_bitmap(params->ptypes, params->ptypes, src,
900 } else if (hdrs & ICE_FLOW_SEG_HDR_GRE) {
902 src = (const ice_bitmap_t *)ice_ptypes_gre_of;
903 ice_and_bitmap(params->ptypes, params->ptypes,
904 src, ICE_FLOW_PTYPE_MAX);
906 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPC) {
907 src = (const ice_bitmap_t *)ice_ptypes_gtpc;
908 ice_and_bitmap(params->ptypes, params->ptypes,
909 src, ICE_FLOW_PTYPE_MAX);
910 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPC_TEID) {
911 src = (const ice_bitmap_t *)ice_ptypes_gtpc_tid;
912 ice_and_bitmap(params->ptypes, params->ptypes,
913 src, ICE_FLOW_PTYPE_MAX);
914 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN) {
915 src = (const ice_bitmap_t *)ice_ptypes_gtpu;
916 ice_and_bitmap(params->ptypes, params->ptypes,
917 src, ICE_FLOW_PTYPE_MAX);
919 /* Attributes for GTP packet with downlink */
920 params->attr = ice_attr_gtpu_down;
921 params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_down);
922 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_UP) {
923 src = (const ice_bitmap_t *)ice_ptypes_gtpu;
924 ice_and_bitmap(params->ptypes, params->ptypes,
925 src, ICE_FLOW_PTYPE_MAX);
927 /* Attributes for GTP packet with uplink */
928 params->attr = ice_attr_gtpu_up;
929 params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_up);
930 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_EH) {
931 src = (const ice_bitmap_t *)ice_ptypes_gtpu;
932 ice_and_bitmap(params->ptypes, params->ptypes,
933 src, ICE_FLOW_PTYPE_MAX);
935 /* Attributes for GTP packet with Extension Header */
936 params->attr = ice_attr_gtpu_eh;
937 params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_eh);
938 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_IP) {
939 src = (const ice_bitmap_t *)ice_ptypes_gtpu;
940 ice_and_bitmap(params->ptypes, params->ptypes,
941 src, ICE_FLOW_PTYPE_MAX);
943 /* Attributes for GTP packet without Extension Header */
944 params->attr = ice_attr_gtpu_session;
945 params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_session);
946 } else if (hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
947 src = (const ice_bitmap_t *)ice_ptypes_l2tpv3;
948 ice_and_bitmap(params->ptypes, params->ptypes,
949 src, ICE_FLOW_PTYPE_MAX);
950 } else if (hdrs & ICE_FLOW_SEG_HDR_ESP) {
951 src = (const ice_bitmap_t *)ice_ptypes_esp;
952 ice_and_bitmap(params->ptypes, params->ptypes,
953 src, ICE_FLOW_PTYPE_MAX);
954 } else if (hdrs & ICE_FLOW_SEG_HDR_AH) {
955 src = (const ice_bitmap_t *)ice_ptypes_ah;
956 ice_and_bitmap(params->ptypes, params->ptypes,
957 src, ICE_FLOW_PTYPE_MAX);
958 } else if (hdrs & ICE_FLOW_SEG_HDR_NAT_T_ESP) {
959 src = (const ice_bitmap_t *)ice_ptypes_nat_t_esp;
960 ice_and_bitmap(params->ptypes, params->ptypes,
961 src, ICE_FLOW_PTYPE_MAX);
964 if (hdrs & ICE_FLOW_SEG_HDR_PFCP) {
965 if (hdrs & ICE_FLOW_SEG_HDR_PFCP_NODE)
967 (const ice_bitmap_t *)ice_ptypes_pfcp_node;
970 (const ice_bitmap_t *)ice_ptypes_pfcp_session;
972 ice_and_bitmap(params->ptypes, params->ptypes,
973 src, ICE_FLOW_PTYPE_MAX);
975 src = (const ice_bitmap_t *)ice_ptypes_pfcp_node;
976 ice_andnot_bitmap(params->ptypes, params->ptypes,
977 src, ICE_FLOW_PTYPE_MAX);
979 src = (const ice_bitmap_t *)ice_ptypes_pfcp_session;
980 ice_andnot_bitmap(params->ptypes, params->ptypes,
981 src, ICE_FLOW_PTYPE_MAX);
989 * ice_flow_xtract_pkt_flags - Create an extr sequence entry for packet flags
990 * @hw: pointer to the HW struct
991 * @params: information about the flow to be processed
992 * @flags: The value of pkt_flags[x:x] in Rx/Tx MDID metadata.
994 * This function will allocate an extraction sequence entries for a DWORD size
995 * chunk of the packet flags.
997 static enum ice_status
998 ice_flow_xtract_pkt_flags(struct ice_hw *hw,
999 struct ice_flow_prof_params *params,
1000 enum ice_flex_mdid_pkt_flags flags)
1002 u8 fv_words = hw->blk[params->blk].es.fvw;
1005 /* Make sure the number of extraction sequence entries required does not
1006 * exceed the block's capacity.
1008 if (params->es_cnt >= fv_words)
1009 return ICE_ERR_MAX_LIMIT;
1011 /* some blocks require a reversed field vector layout */
1012 if (hw->blk[params->blk].es.reverse)
1013 idx = fv_words - params->es_cnt - 1;
1015 idx = params->es_cnt;
1017 params->es[idx].prot_id = ICE_PROT_META_ID;
1018 params->es[idx].off = flags;
1025 * ice_flow_xtract_fld - Create an extraction sequence entry for the given field
1026 * @hw: pointer to the HW struct
1027 * @params: information about the flow to be processed
1028 * @seg: packet segment index of the field to be extracted
1029 * @fld: ID of field to be extracted
1030 * @match: bitfield of all fields
1032 * This function determines the protocol ID, offset, and size of the given
1033 * field. It then allocates one or more extraction sequence entries for the
1034 * given field, and fill the entries with protocol ID and offset information.
1036 static enum ice_status
1037 ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
1038 u8 seg, enum ice_flow_field fld, u64 match)
1040 enum ice_flow_field sib = ICE_FLOW_FIELD_IDX_MAX;
1041 enum ice_prot_id prot_id = ICE_PROT_ID_INVAL;
1042 u8 fv_words = hw->blk[params->blk].es.fvw;
1043 struct ice_flow_fld_info *flds;
1044 u16 cnt, ese_bits, i;
1049 flds = params->prof->segs[seg].fields;
1052 case ICE_FLOW_FIELD_IDX_ETH_DA:
1053 case ICE_FLOW_FIELD_IDX_ETH_SA:
1054 case ICE_FLOW_FIELD_IDX_S_VLAN:
1055 case ICE_FLOW_FIELD_IDX_C_VLAN:
1056 prot_id = seg == 0 ? ICE_PROT_MAC_OF_OR_S : ICE_PROT_MAC_IL;
1058 case ICE_FLOW_FIELD_IDX_ETH_TYPE:
1059 prot_id = seg == 0 ? ICE_PROT_ETYPE_OL : ICE_PROT_ETYPE_IL;
1061 case ICE_FLOW_FIELD_IDX_IPV4_DSCP:
1062 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
1064 case ICE_FLOW_FIELD_IDX_IPV6_DSCP:
1065 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
1067 case ICE_FLOW_FIELD_IDX_IPV4_TTL:
1068 case ICE_FLOW_FIELD_IDX_IPV4_PROT:
1069 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
1071 /* TTL and PROT share the same extraction seq. entry.
1072 * Each is considered a sibling to the other in terms of sharing
1073 * the same extraction sequence entry.
1075 if (fld == ICE_FLOW_FIELD_IDX_IPV4_TTL)
1076 sib = ICE_FLOW_FIELD_IDX_IPV4_PROT;
1077 else if (fld == ICE_FLOW_FIELD_IDX_IPV4_PROT)
1078 sib = ICE_FLOW_FIELD_IDX_IPV4_TTL;
1080 /* If the sibling field is also included, that field's
1081 * mask needs to be included.
1083 if (match & BIT(sib))
1084 sib_mask = ice_flds_info[sib].mask;
1086 case ICE_FLOW_FIELD_IDX_IPV6_TTL:
1087 case ICE_FLOW_FIELD_IDX_IPV6_PROT:
1088 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
1090 /* TTL and PROT share the same extraction seq. entry.
1091 * Each is considered a sibling to the other in terms of sharing
1092 * the same extraction sequence entry.
1094 if (fld == ICE_FLOW_FIELD_IDX_IPV6_TTL)
1095 sib = ICE_FLOW_FIELD_IDX_IPV6_PROT;
1096 else if (fld == ICE_FLOW_FIELD_IDX_IPV6_PROT)
1097 sib = ICE_FLOW_FIELD_IDX_IPV6_TTL;
1099 /* If the sibling field is also included, that field's
1100 * mask needs to be included.
1102 if (match & BIT(sib))
1103 sib_mask = ice_flds_info[sib].mask;
1105 case ICE_FLOW_FIELD_IDX_IPV4_SA:
1106 case ICE_FLOW_FIELD_IDX_IPV4_DA:
1107 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
1109 case ICE_FLOW_FIELD_IDX_IPV6_SA:
1110 case ICE_FLOW_FIELD_IDX_IPV6_DA:
1111 case ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA:
1112 case ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA:
1113 case ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA:
1114 case ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA:
1115 case ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA:
1116 case ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA:
1117 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
1119 case ICE_FLOW_FIELD_IDX_TCP_SRC_PORT:
1120 case ICE_FLOW_FIELD_IDX_TCP_DST_PORT:
1121 case ICE_FLOW_FIELD_IDX_TCP_FLAGS:
1122 prot_id = ICE_PROT_TCP_IL;
1124 case ICE_FLOW_FIELD_IDX_UDP_SRC_PORT:
1125 case ICE_FLOW_FIELD_IDX_UDP_DST_PORT:
1126 prot_id = ICE_PROT_UDP_IL_OR_S;
1128 case ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT:
1129 case ICE_FLOW_FIELD_IDX_SCTP_DST_PORT:
1130 prot_id = ICE_PROT_SCTP_IL;
1132 case ICE_FLOW_FIELD_IDX_GTPC_TEID:
1133 case ICE_FLOW_FIELD_IDX_GTPU_IP_TEID:
1134 case ICE_FLOW_FIELD_IDX_GTPU_UP_TEID:
1135 case ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID:
1136 case ICE_FLOW_FIELD_IDX_GTPU_EH_TEID:
1137 case ICE_FLOW_FIELD_IDX_GTPU_EH_QFI:
1138 /* GTP is accessed through UDP OF protocol */
1139 prot_id = ICE_PROT_UDP_OF;
1141 case ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID:
1142 prot_id = ICE_PROT_PPPOE;
1144 case ICE_FLOW_FIELD_IDX_PFCP_SEID:
1145 prot_id = ICE_PROT_UDP_IL_OR_S;
1147 case ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID:
1148 prot_id = ICE_PROT_L2TPV3;
1150 case ICE_FLOW_FIELD_IDX_ESP_SPI:
1151 prot_id = ICE_PROT_ESP_F;
1153 case ICE_FLOW_FIELD_IDX_AH_SPI:
1154 prot_id = ICE_PROT_ESP_2;
1156 case ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI:
1157 prot_id = ICE_PROT_UDP_IL_OR_S;
1159 case ICE_FLOW_FIELD_IDX_ARP_SIP:
1160 case ICE_FLOW_FIELD_IDX_ARP_DIP:
1161 case ICE_FLOW_FIELD_IDX_ARP_SHA:
1162 case ICE_FLOW_FIELD_IDX_ARP_DHA:
1163 case ICE_FLOW_FIELD_IDX_ARP_OP:
1164 prot_id = ICE_PROT_ARP_OF;
1166 case ICE_FLOW_FIELD_IDX_ICMP_TYPE:
1167 case ICE_FLOW_FIELD_IDX_ICMP_CODE:
1168 /* ICMP type and code share the same extraction seq. entry */
1169 prot_id = (params->prof->segs[seg].hdrs &
1170 ICE_FLOW_SEG_HDR_IPV4) ?
1171 ICE_PROT_ICMP_IL : ICE_PROT_ICMPV6_IL;
1172 sib = fld == ICE_FLOW_FIELD_IDX_ICMP_TYPE ?
1173 ICE_FLOW_FIELD_IDX_ICMP_CODE :
1174 ICE_FLOW_FIELD_IDX_ICMP_TYPE;
1176 case ICE_FLOW_FIELD_IDX_GRE_KEYID:
1177 prot_id = ICE_PROT_GRE_OF;
1180 return ICE_ERR_NOT_IMPL;
1183 /* Each extraction sequence entry is a word in size, and extracts a
1184 * word-aligned offset from a protocol header.
1186 ese_bits = ICE_FLOW_FV_EXTRACT_SZ * BITS_PER_BYTE;
1188 flds[fld].xtrct.prot_id = prot_id;
1189 flds[fld].xtrct.off = (ice_flds_info[fld].off / ese_bits) *
1190 ICE_FLOW_FV_EXTRACT_SZ;
1191 flds[fld].xtrct.disp = (u8)(ice_flds_info[fld].off % ese_bits);
1192 flds[fld].xtrct.idx = params->es_cnt;
1193 flds[fld].xtrct.mask = ice_flds_info[fld].mask;
1195 /* Adjust the next field-entry index after accommodating the number of
1196 * entries this field consumes
1198 cnt = DIVIDE_AND_ROUND_UP(flds[fld].xtrct.disp +
1199 ice_flds_info[fld].size, ese_bits);
1201 /* Fill in the extraction sequence entries needed for this field */
1202 off = flds[fld].xtrct.off;
1203 mask = flds[fld].xtrct.mask;
1204 for (i = 0; i < cnt; i++) {
1205 /* Only consume an extraction sequence entry if there is no
1206 * sibling field associated with this field or the sibling entry
1207 * already extracts the word shared with this field.
1209 if (sib == ICE_FLOW_FIELD_IDX_MAX ||
1210 flds[sib].xtrct.prot_id == ICE_PROT_ID_INVAL ||
1211 flds[sib].xtrct.off != off) {
1214 /* Make sure the number of extraction sequence required
1215 * does not exceed the block's capability
1217 if (params->es_cnt >= fv_words)
1218 return ICE_ERR_MAX_LIMIT;
1220 /* some blocks require a reversed field vector layout */
1221 if (hw->blk[params->blk].es.reverse)
1222 idx = fv_words - params->es_cnt - 1;
1224 idx = params->es_cnt;
1226 params->es[idx].prot_id = prot_id;
1227 params->es[idx].off = off;
1228 params->mask[idx] = mask | sib_mask;
1232 off += ICE_FLOW_FV_EXTRACT_SZ;
1239 * ice_flow_xtract_raws - Create extract sequence entries for raw bytes
1240 * @hw: pointer to the HW struct
1241 * @params: information about the flow to be processed
1242 * @seg: index of packet segment whose raw fields are to be be extracted
1244 static enum ice_status
1245 ice_flow_xtract_raws(struct ice_hw *hw, struct ice_flow_prof_params *params,
1252 if (!params->prof->segs[seg].raws_cnt)
1255 if (params->prof->segs[seg].raws_cnt >
1256 ARRAY_SIZE(params->prof->segs[seg].raws))
1257 return ICE_ERR_MAX_LIMIT;
1259 /* Offsets within the segment headers are not supported */
1260 hdrs_sz = ice_flow_calc_seg_sz(params, seg);
1262 return ICE_ERR_PARAM;
1264 fv_words = hw->blk[params->blk].es.fvw;
1266 for (i = 0; i < params->prof->segs[seg].raws_cnt; i++) {
1267 struct ice_flow_seg_fld_raw *raw;
1270 raw = ¶ms->prof->segs[seg].raws[i];
1272 /* Storing extraction information */
1273 raw->info.xtrct.prot_id = ICE_PROT_MAC_OF_OR_S;
1274 raw->info.xtrct.off = (raw->off / ICE_FLOW_FV_EXTRACT_SZ) *
1275 ICE_FLOW_FV_EXTRACT_SZ;
1276 raw->info.xtrct.disp = (raw->off % ICE_FLOW_FV_EXTRACT_SZ) *
1278 raw->info.xtrct.idx = params->es_cnt;
1280 /* Determine the number of field vector entries this raw field
1283 cnt = DIVIDE_AND_ROUND_UP(raw->info.xtrct.disp +
1284 (raw->info.src.last * BITS_PER_BYTE),
1285 (ICE_FLOW_FV_EXTRACT_SZ *
1287 off = raw->info.xtrct.off;
1288 for (j = 0; j < cnt; j++) {
1291 /* Make sure the number of extraction sequence required
1292 * does not exceed the block's capability
1294 if (params->es_cnt >= hw->blk[params->blk].es.count ||
1295 params->es_cnt >= ICE_MAX_FV_WORDS)
1296 return ICE_ERR_MAX_LIMIT;
1298 /* some blocks require a reversed field vector layout */
1299 if (hw->blk[params->blk].es.reverse)
1300 idx = fv_words - params->es_cnt - 1;
1302 idx = params->es_cnt;
1304 params->es[idx].prot_id = raw->info.xtrct.prot_id;
1305 params->es[idx].off = off;
1307 off += ICE_FLOW_FV_EXTRACT_SZ;
1315 * ice_flow_create_xtrct_seq - Create an extraction sequence for given segments
1316 * @hw: pointer to the HW struct
1317 * @params: information about the flow to be processed
1319 * This function iterates through all matched fields in the given segments, and
1320 * creates an extraction sequence for the fields.
1322 static enum ice_status
1323 ice_flow_create_xtrct_seq(struct ice_hw *hw,
1324 struct ice_flow_prof_params *params)
1326 enum ice_status status = ICE_SUCCESS;
1329 /* For ACL, we also need to extract the direction bit (Rx,Tx) data from
1332 if (params->blk == ICE_BLK_ACL) {
1333 status = ice_flow_xtract_pkt_flags(hw, params,
1334 ICE_RX_MDID_PKT_FLAGS_15_0);
1339 for (i = 0; i < params->prof->segs_cnt; i++) {
1340 u64 match = params->prof->segs[i].match;
1341 enum ice_flow_field j;
1343 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
1344 const u64 bit = BIT_ULL(j);
1347 status = ice_flow_xtract_fld(hw, params, i, j,
1355 /* Process raw matching bytes */
1356 status = ice_flow_xtract_raws(hw, params, i);
1365 * ice_flow_sel_acl_scen - returns the specific scenario
1366 * @hw: pointer to the hardware structure
1367 * @params: information about the flow to be processed
1369 * This function will return the specific scenario based on the
1370 * params passed to it
1372 static enum ice_status
1373 ice_flow_sel_acl_scen(struct ice_hw *hw, struct ice_flow_prof_params *params)
1375 /* Find the best-fit scenario for the provided match width */
1376 struct ice_acl_scen *cand_scen = NULL, *scen;
1379 return ICE_ERR_DOES_NOT_EXIST;
1381 /* Loop through each scenario and match against the scenario width
1382 * to select the specific scenario
1384 LIST_FOR_EACH_ENTRY(scen, &hw->acl_tbl->scens, ice_acl_scen, list_entry)
1385 if (scen->eff_width >= params->entry_length &&
1386 (!cand_scen || cand_scen->eff_width > scen->eff_width))
1389 return ICE_ERR_DOES_NOT_EXIST;
1391 params->prof->cfg.scen = cand_scen;
1397 * ice_flow_acl_def_entry_frmt - Determine the layout of flow entries
1398 * @params: information about the flow to be processed
1400 static enum ice_status
1401 ice_flow_acl_def_entry_frmt(struct ice_flow_prof_params *params)
1403 u16 index, i, range_idx = 0;
1405 index = ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
1407 for (i = 0; i < params->prof->segs_cnt; i++) {
1408 struct ice_flow_seg_info *seg = ¶ms->prof->segs[i];
1409 u64 match = seg->match;
1412 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
1413 struct ice_flow_fld_info *fld;
1414 const u64 bit = BIT_ULL(j);
1419 fld = &seg->fields[j];
1420 fld->entry.mask = ICE_FLOW_FLD_OFF_INVAL;
1422 if (fld->type == ICE_FLOW_FLD_TYPE_RANGE) {
1423 fld->entry.last = ICE_FLOW_FLD_OFF_INVAL;
1425 /* Range checking only supported for single
1428 if (DIVIDE_AND_ROUND_UP(ice_flds_info[j].size +
1430 BITS_PER_BYTE * 2) > 1)
1431 return ICE_ERR_PARAM;
1433 /* Ranges must define low and high values */
1434 if (fld->src.val == ICE_FLOW_FLD_OFF_INVAL ||
1435 fld->src.last == ICE_FLOW_FLD_OFF_INVAL)
1436 return ICE_ERR_PARAM;
1438 fld->entry.val = range_idx++;
1440 /* Store adjusted byte-length of field for later
1441 * use, taking into account potential
1442 * non-byte-aligned displacement
1444 fld->entry.last = DIVIDE_AND_ROUND_UP
1445 (ice_flds_info[j].size +
1446 (fld->xtrct.disp % BITS_PER_BYTE),
1448 fld->entry.val = index;
1449 index += fld->entry.last;
1455 for (j = 0; j < seg->raws_cnt; j++) {
1456 struct ice_flow_seg_fld_raw *raw = &seg->raws[j];
1458 raw->info.entry.mask = ICE_FLOW_FLD_OFF_INVAL;
1459 raw->info.entry.val = index;
1460 raw->info.entry.last = raw->info.src.last;
1461 index += raw->info.entry.last;
1465 /* Currently only support using the byte selection base, which only
1466 * allows for an effective entry size of 30 bytes. Reject anything
1469 if (index > ICE_AQC_ACL_PROF_BYTE_SEL_ELEMS)
1470 return ICE_ERR_PARAM;
1472 /* Only 8 range checkers per profile, reject anything trying to use
1475 if (range_idx > ICE_AQC_ACL_PROF_RANGES_NUM_CFG)
1476 return ICE_ERR_PARAM;
1478 /* Store # bytes required for entry for later use */
1479 params->entry_length = index - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
1485 * ice_flow_proc_segs - process all packet segments associated with a profile
1486 * @hw: pointer to the HW struct
1487 * @params: information about the flow to be processed
1489 static enum ice_status
1490 ice_flow_proc_segs(struct ice_hw *hw, struct ice_flow_prof_params *params)
1492 enum ice_status status;
1494 status = ice_flow_proc_seg_hdrs(params);
1498 status = ice_flow_create_xtrct_seq(hw, params);
1502 switch (params->blk) {
1505 status = ICE_SUCCESS;
1508 status = ice_flow_acl_def_entry_frmt(params);
1511 status = ice_flow_sel_acl_scen(hw, params);
1516 return ICE_ERR_NOT_IMPL;
1522 #define ICE_FLOW_FIND_PROF_CHK_FLDS 0x00000001
1523 #define ICE_FLOW_FIND_PROF_CHK_VSI 0x00000002
1524 #define ICE_FLOW_FIND_PROF_NOT_CHK_DIR 0x00000004
1527 * ice_flow_find_prof_conds - Find a profile matching headers and conditions
1528 * @hw: pointer to the HW struct
1529 * @blk: classification stage
1530 * @dir: flow direction
1531 * @segs: array of one or more packet segments that describe the flow
1532 * @segs_cnt: number of packet segments provided
1533 * @vsi_handle: software VSI handle to check VSI (ICE_FLOW_FIND_PROF_CHK_VSI)
1534 * @conds: additional conditions to be checked (ICE_FLOW_FIND_PROF_CHK_*)
1536 static struct ice_flow_prof *
1537 ice_flow_find_prof_conds(struct ice_hw *hw, enum ice_block blk,
1538 enum ice_flow_dir dir, struct ice_flow_seg_info *segs,
1539 u8 segs_cnt, u16 vsi_handle, u32 conds)
1541 struct ice_flow_prof *p, *prof = NULL;
1543 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1544 LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry)
1545 if ((p->dir == dir || conds & ICE_FLOW_FIND_PROF_NOT_CHK_DIR) &&
1546 segs_cnt && segs_cnt == p->segs_cnt) {
1549 /* Check for profile-VSI association if specified */
1550 if ((conds & ICE_FLOW_FIND_PROF_CHK_VSI) &&
1551 ice_is_vsi_valid(hw, vsi_handle) &&
1552 !ice_is_bit_set(p->vsis, vsi_handle))
1555 /* Protocol headers must be checked. Matched fields are
1556 * checked if specified.
1558 for (i = 0; i < segs_cnt; i++)
1559 if (segs[i].hdrs != p->segs[i].hdrs ||
1560 ((conds & ICE_FLOW_FIND_PROF_CHK_FLDS) &&
1561 segs[i].match != p->segs[i].match))
1564 /* A match is found if all segments are matched */
1565 if (i == segs_cnt) {
1570 ice_release_lock(&hw->fl_profs_locks[blk]);
1576 * ice_flow_find_prof - Look up a profile matching headers and matched fields
1577 * @hw: pointer to the HW struct
1578 * @blk: classification stage
1579 * @dir: flow direction
1580 * @segs: array of one or more packet segments that describe the flow
1581 * @segs_cnt: number of packet segments provided
1584 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
1585 struct ice_flow_seg_info *segs, u8 segs_cnt)
1587 struct ice_flow_prof *p;
1589 p = ice_flow_find_prof_conds(hw, blk, dir, segs, segs_cnt,
1590 ICE_MAX_VSI, ICE_FLOW_FIND_PROF_CHK_FLDS);
1592 return p ? p->id : ICE_FLOW_PROF_ID_INVAL;
1596 * ice_flow_find_prof_id - Look up a profile with given profile ID
1597 * @hw: pointer to the HW struct
1598 * @blk: classification stage
1599 * @prof_id: unique ID to identify this flow profile
1601 static struct ice_flow_prof *
1602 ice_flow_find_prof_id(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
1604 struct ice_flow_prof *p;
1606 LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry)
1607 if (p->id == prof_id)
1614 * ice_dealloc_flow_entry - Deallocate flow entry memory
1615 * @hw: pointer to the HW struct
1616 * @entry: flow entry to be removed
1619 ice_dealloc_flow_entry(struct ice_hw *hw, struct ice_flow_entry *entry)
1625 ice_free(hw, entry->entry);
1627 if (entry->range_buf) {
1628 ice_free(hw, entry->range_buf);
1629 entry->range_buf = NULL;
1633 ice_free(hw, entry->acts);
1635 entry->acts_cnt = 0;
1638 ice_free(hw, entry);
1641 #define ICE_ACL_INVALID_SCEN 0x3f
1644 * ice_flow_acl_is_prof_in_use - Verify if the profile is associated to any PF
1645 * @hw: pointer to the hardware structure
1646 * @prof: pointer to flow profile
1647 * @buf: destination buffer function writes partial extraction sequence to
1649 * returns ICE_SUCCESS if no PF is associated to the given profile
1650 * returns ICE_ERR_IN_USE if at least one PF is associated to the given profile
1651 * returns other error code for real error
1653 static enum ice_status
1654 ice_flow_acl_is_prof_in_use(struct ice_hw *hw, struct ice_flow_prof *prof,
1655 struct ice_aqc_acl_prof_generic_frmt *buf)
1657 enum ice_status status;
1660 status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
1664 status = ice_query_acl_prof(hw, prof_id, buf, NULL);
1668 /* If all PF's associated scenarios are all 0 or all
1669 * ICE_ACL_INVALID_SCEN (63) for the given profile then the latter has
1670 * not been configured yet.
1672 if (buf->pf_scenario_num[0] == 0 && buf->pf_scenario_num[1] == 0 &&
1673 buf->pf_scenario_num[2] == 0 && buf->pf_scenario_num[3] == 0 &&
1674 buf->pf_scenario_num[4] == 0 && buf->pf_scenario_num[5] == 0 &&
1675 buf->pf_scenario_num[6] == 0 && buf->pf_scenario_num[7] == 0)
1678 if (buf->pf_scenario_num[0] == ICE_ACL_INVALID_SCEN &&
1679 buf->pf_scenario_num[1] == ICE_ACL_INVALID_SCEN &&
1680 buf->pf_scenario_num[2] == ICE_ACL_INVALID_SCEN &&
1681 buf->pf_scenario_num[3] == ICE_ACL_INVALID_SCEN &&
1682 buf->pf_scenario_num[4] == ICE_ACL_INVALID_SCEN &&
1683 buf->pf_scenario_num[5] == ICE_ACL_INVALID_SCEN &&
1684 buf->pf_scenario_num[6] == ICE_ACL_INVALID_SCEN &&
1685 buf->pf_scenario_num[7] == ICE_ACL_INVALID_SCEN)
1688 return ICE_ERR_IN_USE;
1692 * ice_flow_acl_free_act_cntr - Free the ACL rule's actions
1693 * @hw: pointer to the hardware structure
1694 * @acts: array of actions to be performed on a match
1695 * @acts_cnt: number of actions
1697 static enum ice_status
1698 ice_flow_acl_free_act_cntr(struct ice_hw *hw, struct ice_flow_action *acts,
1703 for (i = 0; i < acts_cnt; i++) {
1704 if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT ||
1705 acts[i].type == ICE_FLOW_ACT_CNTR_BYTES ||
1706 acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES) {
1707 struct ice_acl_cntrs cntrs;
1708 enum ice_status status;
1710 cntrs.bank = 0; /* Only bank0 for the moment */
1712 LE16_TO_CPU(acts[i].data.acl_act.value);
1714 LE16_TO_CPU(acts[i].data.acl_act.value);
1716 if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES)
1717 cntrs.type = ICE_AQC_ACL_CNT_TYPE_DUAL;
1719 cntrs.type = ICE_AQC_ACL_CNT_TYPE_SINGLE;
1721 status = ice_aq_dealloc_acl_cntrs(hw, &cntrs, NULL);
1730 * ice_flow_acl_disassoc_scen - Disassociate the scenario from the profile
1731 * @hw: pointer to the hardware structure
1732 * @prof: pointer to flow profile
1734 * Disassociate the scenario from the profile for the PF of the VSI.
1736 static enum ice_status
1737 ice_flow_acl_disassoc_scen(struct ice_hw *hw, struct ice_flow_prof *prof)
1739 struct ice_aqc_acl_prof_generic_frmt buf;
1740 enum ice_status status = ICE_SUCCESS;
1743 ice_memset(&buf, 0, sizeof(buf), ICE_NONDMA_MEM);
1745 status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
1749 status = ice_query_acl_prof(hw, prof_id, &buf, NULL);
1753 /* Clear scenario for this PF */
1754 buf.pf_scenario_num[hw->pf_id] = ICE_ACL_INVALID_SCEN;
1755 status = ice_prgm_acl_prof_extrt(hw, prof_id, &buf, NULL);
1761 * ice_flow_rem_entry_sync - Remove a flow entry
1762 * @hw: pointer to the HW struct
1763 * @blk: classification stage
1764 * @entry: flow entry to be removed
1766 static enum ice_status
1767 ice_flow_rem_entry_sync(struct ice_hw *hw, enum ice_block blk,
1768 struct ice_flow_entry *entry)
1771 return ICE_ERR_BAD_PTR;
1773 if (blk == ICE_BLK_ACL) {
1774 enum ice_status status;
1777 return ICE_ERR_BAD_PTR;
1779 status = ice_acl_rem_entry(hw, entry->prof->cfg.scen,
1780 entry->scen_entry_idx);
1784 /* Checks if we need to release an ACL counter. */
1785 if (entry->acts_cnt && entry->acts)
1786 ice_flow_acl_free_act_cntr(hw, entry->acts,
1790 LIST_DEL(&entry->l_entry);
1792 ice_dealloc_flow_entry(hw, entry);
1798 * ice_flow_add_prof_sync - Add a flow profile for packet segments and fields
1799 * @hw: pointer to the HW struct
1800 * @blk: classification stage
1801 * @dir: flow direction
1802 * @prof_id: unique ID to identify this flow profile
1803 * @segs: array of one or more packet segments that describe the flow
1804 * @segs_cnt: number of packet segments provided
1805 * @acts: array of default actions
1806 * @acts_cnt: number of default actions
1807 * @prof: stores the returned flow profile added
1809 * Assumption: the caller has acquired the lock to the profile list
1811 static enum ice_status
1812 ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk,
1813 enum ice_flow_dir dir, u64 prof_id,
1814 struct ice_flow_seg_info *segs, u8 segs_cnt,
1815 struct ice_flow_action *acts, u8 acts_cnt,
1816 struct ice_flow_prof **prof)
1818 struct ice_flow_prof_params params;
1819 enum ice_status status;
1822 if (!prof || (acts_cnt && !acts))
1823 return ICE_ERR_BAD_PTR;
1825 ice_memset(¶ms, 0, sizeof(params), ICE_NONDMA_MEM);
1826 params.prof = (struct ice_flow_prof *)
1827 ice_malloc(hw, sizeof(*params.prof));
1829 return ICE_ERR_NO_MEMORY;
1831 /* initialize extraction sequence to all invalid (0xff) */
1832 for (i = 0; i < ICE_MAX_FV_WORDS; i++) {
1833 params.es[i].prot_id = ICE_PROT_INVALID;
1834 params.es[i].off = ICE_FV_OFFSET_INVAL;
1838 params.prof->id = prof_id;
1839 params.prof->dir = dir;
1840 params.prof->segs_cnt = segs_cnt;
1842 /* Make a copy of the segments that need to be persistent in the flow
1845 for (i = 0; i < segs_cnt; i++)
1846 ice_memcpy(¶ms.prof->segs[i], &segs[i], sizeof(*segs),
1847 ICE_NONDMA_TO_NONDMA);
1849 /* Make a copy of the actions that need to be persistent in the flow
1853 params.prof->acts = (struct ice_flow_action *)
1854 ice_memdup(hw, acts, acts_cnt * sizeof(*acts),
1855 ICE_NONDMA_TO_NONDMA);
1857 if (!params.prof->acts) {
1858 status = ICE_ERR_NO_MEMORY;
1863 status = ice_flow_proc_segs(hw, ¶ms);
1865 ice_debug(hw, ICE_DBG_FLOW,
1866 "Error processing a flow's packet segments\n");
1870 /* Add a HW profile for this flow profile */
1871 status = ice_add_prof(hw, blk, prof_id, (u8 *)params.ptypes,
1872 params.attr, params.attr_cnt, params.es,
1875 ice_debug(hw, ICE_DBG_FLOW, "Error adding a HW flow profile\n");
1879 INIT_LIST_HEAD(¶ms.prof->entries);
1880 ice_init_lock(¶ms.prof->entries_lock);
1881 *prof = params.prof;
1885 if (params.prof->acts)
1886 ice_free(hw, params.prof->acts);
1887 ice_free(hw, params.prof);
1894 * ice_flow_rem_prof_sync - remove a flow profile
1895 * @hw: pointer to the hardware structure
1896 * @blk: classification stage
1897 * @prof: pointer to flow profile to remove
1899 * Assumption: the caller has acquired the lock to the profile list
1901 static enum ice_status
1902 ice_flow_rem_prof_sync(struct ice_hw *hw, enum ice_block blk,
1903 struct ice_flow_prof *prof)
1905 enum ice_status status;
1907 /* Remove all remaining flow entries before removing the flow profile */
1908 if (!LIST_EMPTY(&prof->entries)) {
1909 struct ice_flow_entry *e, *t;
1911 ice_acquire_lock(&prof->entries_lock);
1913 LIST_FOR_EACH_ENTRY_SAFE(e, t, &prof->entries, ice_flow_entry,
1915 status = ice_flow_rem_entry_sync(hw, blk, e);
1920 ice_release_lock(&prof->entries_lock);
1923 if (blk == ICE_BLK_ACL) {
1924 struct ice_aqc_acl_profile_ranges query_rng_buf;
1925 struct ice_aqc_acl_prof_generic_frmt buf;
1928 /* Disassociate the scenario from the profile for the PF */
1929 status = ice_flow_acl_disassoc_scen(hw, prof);
1933 /* Clear the range-checker if the profile ID is no longer
1936 status = ice_flow_acl_is_prof_in_use(hw, prof, &buf);
1937 if (status && status != ICE_ERR_IN_USE) {
1939 } else if (!status) {
1940 /* Clear the range-checker value for profile ID */
1941 ice_memset(&query_rng_buf, 0,
1942 sizeof(struct ice_aqc_acl_profile_ranges),
1945 status = ice_flow_get_hw_prof(hw, blk, prof->id,
1950 status = ice_prog_acl_prof_ranges(hw, prof_id,
1951 &query_rng_buf, NULL);
1957 /* Remove all hardware profiles associated with this flow profile */
1958 status = ice_rem_prof(hw, blk, prof->id);
1960 LIST_DEL(&prof->l_entry);
1961 ice_destroy_lock(&prof->entries_lock);
1963 ice_free(hw, prof->acts);
1971 * ice_flow_acl_set_xtrct_seq_fld - Populate xtrct seq for single field
1972 * @buf: Destination buffer function writes partial xtrct sequence to
1973 * @info: Info about field
1976 ice_flow_acl_set_xtrct_seq_fld(struct ice_aqc_acl_prof_generic_frmt *buf,
1977 struct ice_flow_fld_info *info)
1982 src = info->xtrct.idx * ICE_FLOW_FV_EXTRACT_SZ +
1983 info->xtrct.disp / BITS_PER_BYTE;
1984 dst = info->entry.val;
1985 for (i = 0; i < info->entry.last; i++)
1986 /* HW stores field vector words in LE, convert words back to BE
1987 * so constructed entries will end up in network order
1989 buf->byte_selection[dst++] = src++ ^ 1;
1993 * ice_flow_acl_set_xtrct_seq - Program ACL extraction sequence
1994 * @hw: pointer to the hardware structure
1995 * @prof: pointer to flow profile
1997 static enum ice_status
1998 ice_flow_acl_set_xtrct_seq(struct ice_hw *hw, struct ice_flow_prof *prof)
2000 struct ice_aqc_acl_prof_generic_frmt buf;
2001 struct ice_flow_fld_info *info;
2002 enum ice_status status;
2006 ice_memset(&buf, 0, sizeof(buf), ICE_NONDMA_MEM);
2008 status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
2012 status = ice_flow_acl_is_prof_in_use(hw, prof, &buf);
2013 if (status && status != ICE_ERR_IN_USE)
2017 /* Program the profile dependent configuration. This is done
2018 * only once regardless of the number of PFs using that profile
2020 ice_memset(&buf, 0, sizeof(buf), ICE_NONDMA_MEM);
2022 for (i = 0; i < prof->segs_cnt; i++) {
2023 struct ice_flow_seg_info *seg = &prof->segs[i];
2024 u64 match = seg->match;
2027 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
2028 const u64 bit = BIT_ULL(j);
2033 info = &seg->fields[j];
2035 if (info->type == ICE_FLOW_FLD_TYPE_RANGE)
2036 buf.word_selection[info->entry.val] =
2039 ice_flow_acl_set_xtrct_seq_fld(&buf,
2045 for (j = 0; j < seg->raws_cnt; j++) {
2046 info = &seg->raws[j].info;
2047 ice_flow_acl_set_xtrct_seq_fld(&buf, info);
2051 ice_memset(&buf.pf_scenario_num[0], ICE_ACL_INVALID_SCEN,
2052 ICE_AQC_ACL_PROF_PF_SCEN_NUM_ELEMS,
2056 /* Update the current PF */
2057 buf.pf_scenario_num[hw->pf_id] = (u8)prof->cfg.scen->id;
2058 status = ice_prgm_acl_prof_extrt(hw, prof_id, &buf, NULL);
2064 * ice_flow_assoc_vsig_vsi - associate a VSI with VSIG
2065 * @hw: pointer to the hardware structure
2066 * @blk: classification stage
2067 * @vsi_handle: software VSI handle
2068 * @vsig: target VSI group
2070 * Assumption: the caller has already verified that the VSI to
2071 * be added has the same characteristics as the VSIG and will
2072 * thereby have access to all resources added to that VSIG.
2075 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
2078 enum ice_status status;
2080 if (!ice_is_vsi_valid(hw, vsi_handle) || blk >= ICE_BLK_COUNT)
2081 return ICE_ERR_PARAM;
2083 ice_acquire_lock(&hw->fl_profs_locks[blk]);
2084 status = ice_add_vsi_flow(hw, blk, ice_get_hw_vsi_num(hw, vsi_handle),
2086 ice_release_lock(&hw->fl_profs_locks[blk]);
2092 * ice_flow_assoc_prof - associate a VSI with a flow profile
2093 * @hw: pointer to the hardware structure
2094 * @blk: classification stage
2095 * @prof: pointer to flow profile
2096 * @vsi_handle: software VSI handle
2098 * Assumption: the caller has acquired the lock to the profile list
2099 * and the software VSI handle has been validated
2101 static enum ice_status
2102 ice_flow_assoc_prof(struct ice_hw *hw, enum ice_block blk,
2103 struct ice_flow_prof *prof, u16 vsi_handle)
2105 enum ice_status status = ICE_SUCCESS;
2107 if (!ice_is_bit_set(prof->vsis, vsi_handle)) {
2108 if (blk == ICE_BLK_ACL) {
2109 status = ice_flow_acl_set_xtrct_seq(hw, prof);
2113 status = ice_add_prof_id_flow(hw, blk,
2114 ice_get_hw_vsi_num(hw,
2118 ice_set_bit(vsi_handle, prof->vsis);
2120 ice_debug(hw, ICE_DBG_FLOW,
2121 "HW profile add failed, %d\n",
2129 * ice_flow_disassoc_prof - disassociate a VSI from a flow profile
2130 * @hw: pointer to the hardware structure
2131 * @blk: classification stage
2132 * @prof: pointer to flow profile
2133 * @vsi_handle: software VSI handle
2135 * Assumption: the caller has acquired the lock to the profile list
2136 * and the software VSI handle has been validated
2138 static enum ice_status
2139 ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk,
2140 struct ice_flow_prof *prof, u16 vsi_handle)
2142 enum ice_status status = ICE_SUCCESS;
2144 if (ice_is_bit_set(prof->vsis, vsi_handle)) {
2145 status = ice_rem_prof_id_flow(hw, blk,
2146 ice_get_hw_vsi_num(hw,
2150 ice_clear_bit(vsi_handle, prof->vsis);
2152 ice_debug(hw, ICE_DBG_FLOW,
2153 "HW profile remove failed, %d\n",
2161 * ice_flow_add_prof - Add a flow profile for packet segments and matched fields
2162 * @hw: pointer to the HW struct
2163 * @blk: classification stage
2164 * @dir: flow direction
2165 * @prof_id: unique ID to identify this flow profile
2166 * @segs: array of one or more packet segments that describe the flow
2167 * @segs_cnt: number of packet segments provided
2168 * @acts: array of default actions
2169 * @acts_cnt: number of default actions
2170 * @prof: stores the returned flow profile added
2173 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
2174 u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
2175 struct ice_flow_action *acts, u8 acts_cnt,
2176 struct ice_flow_prof **prof)
2178 enum ice_status status;
2180 if (segs_cnt > ICE_FLOW_SEG_MAX)
2181 return ICE_ERR_MAX_LIMIT;
2184 return ICE_ERR_PARAM;
2187 return ICE_ERR_BAD_PTR;
2189 status = ice_flow_val_hdrs(segs, segs_cnt);
2193 ice_acquire_lock(&hw->fl_profs_locks[blk]);
2195 status = ice_flow_add_prof_sync(hw, blk, dir, prof_id, segs, segs_cnt,
2196 acts, acts_cnt, prof);
2198 LIST_ADD(&(*prof)->l_entry, &hw->fl_profs[blk]);
2200 ice_release_lock(&hw->fl_profs_locks[blk]);
2206 * ice_flow_rem_prof - Remove a flow profile and all entries associated with it
2207 * @hw: pointer to the HW struct
2208 * @blk: the block for which the flow profile is to be removed
2209 * @prof_id: unique ID of the flow profile to be removed
2212 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
2214 struct ice_flow_prof *prof;
2215 enum ice_status status;
2217 ice_acquire_lock(&hw->fl_profs_locks[blk]);
2219 prof = ice_flow_find_prof_id(hw, blk, prof_id);
2221 status = ICE_ERR_DOES_NOT_EXIST;
2225 /* prof becomes invalid after the call */
2226 status = ice_flow_rem_prof_sync(hw, blk, prof);
2229 ice_release_lock(&hw->fl_profs_locks[blk]);
2235 * ice_flow_get_hw_prof - return the HW profile for a specific profile ID handle
2236 * @hw: pointer to the HW struct
2237 * @blk: classification stage
2238 * @prof_id: the profile ID handle
2239 * @hw_prof_id: pointer to variable to receive the HW profile ID
2242 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
2245 enum ice_status status = ICE_ERR_DOES_NOT_EXIST;
2246 struct ice_prof_map *map;
2248 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
2249 map = ice_search_prof_id(hw, blk, prof_id);
2251 *hw_prof_id = map->prof_id;
2252 status = ICE_SUCCESS;
2254 ice_release_lock(&hw->blk[blk].es.prof_map_lock);
2259 * ice_flow_find_entry - look for a flow entry using its unique ID
2260 * @hw: pointer to the HW struct
2261 * @blk: classification stage
2262 * @entry_id: unique ID to identify this flow entry
2264 * This function looks for the flow entry with the specified unique ID in all
2265 * flow profiles of the specified classification stage. If the entry is found,
2266 * and it returns the handle to the flow entry. Otherwise, it returns
2267 * ICE_FLOW_ENTRY_ID_INVAL.
2269 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id)
2271 struct ice_flow_entry *found = NULL;
2272 struct ice_flow_prof *p;
2274 ice_acquire_lock(&hw->fl_profs_locks[blk]);
2276 LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry) {
2277 struct ice_flow_entry *e;
2279 ice_acquire_lock(&p->entries_lock);
2280 LIST_FOR_EACH_ENTRY(e, &p->entries, ice_flow_entry, l_entry)
2281 if (e->id == entry_id) {
2285 ice_release_lock(&p->entries_lock);
2291 ice_release_lock(&hw->fl_profs_locks[blk]);
2293 return found ? ICE_FLOW_ENTRY_HNDL(found) : ICE_FLOW_ENTRY_HANDLE_INVAL;
2297 * ice_flow_acl_check_actions - Checks the ACL rule's actions
2298 * @hw: pointer to the hardware structure
2299 * @acts: array of actions to be performed on a match
2300 * @acts_cnt: number of actions
2301 * @cnt_alloc: indicates if an ACL counter has been allocated.
2303 static enum ice_status
2304 ice_flow_acl_check_actions(struct ice_hw *hw, struct ice_flow_action *acts,
2305 u8 acts_cnt, bool *cnt_alloc)
2307 ice_declare_bitmap(dup_check, ICE_AQC_TBL_MAX_ACTION_PAIRS * 2);
2310 ice_zero_bitmap(dup_check, ICE_AQC_TBL_MAX_ACTION_PAIRS * 2);
2313 if (acts_cnt > ICE_FLOW_ACL_MAX_NUM_ACT)
2314 return ICE_ERR_OUT_OF_RANGE;
2316 for (i = 0; i < acts_cnt; i++) {
2317 if (acts[i].type != ICE_FLOW_ACT_NOP &&
2318 acts[i].type != ICE_FLOW_ACT_DROP &&
2319 acts[i].type != ICE_FLOW_ACT_CNTR_PKT &&
2320 acts[i].type != ICE_FLOW_ACT_FWD_QUEUE)
2323 /* If the caller want to add two actions of the same type, then
2324 * it is considered invalid configuration.
2326 if (ice_test_and_set_bit(acts[i].type, dup_check))
2327 return ICE_ERR_PARAM;
2330 /* Checks if ACL counters are needed. */
2331 for (i = 0; i < acts_cnt; i++) {
2332 if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT ||
2333 acts[i].type == ICE_FLOW_ACT_CNTR_BYTES ||
2334 acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES) {
2335 struct ice_acl_cntrs cntrs;
2336 enum ice_status status;
2339 cntrs.bank = 0; /* Only bank0 for the moment */
2341 if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES)
2342 cntrs.type = ICE_AQC_ACL_CNT_TYPE_DUAL;
2344 cntrs.type = ICE_AQC_ACL_CNT_TYPE_SINGLE;
2346 status = ice_aq_alloc_acl_cntrs(hw, &cntrs, NULL);
2349 /* Counter index within the bank */
2350 acts[i].data.acl_act.value =
2351 CPU_TO_LE16(cntrs.first_cntr);
2360 * ice_flow_acl_frmt_entry_range - Format an ACL range checker for a given field
2361 * @fld: number of the given field
2362 * @info: info about field
2363 * @range_buf: range checker configuration buffer
2364 * @data: pointer to a data buffer containing flow entry's match values/masks
2365 * @range: Input/output param indicating which range checkers are being used
2368 ice_flow_acl_frmt_entry_range(u16 fld, struct ice_flow_fld_info *info,
2369 struct ice_aqc_acl_profile_ranges *range_buf,
2370 u8 *data, u8 *range)
2374 /* If not specified, default mask is all bits in field */
2375 new_mask = (info->src.mask == ICE_FLOW_FLD_OFF_INVAL ?
2376 BIT(ice_flds_info[fld].size) - 1 :
2377 (*(u16 *)(data + info->src.mask))) << info->xtrct.disp;
2379 /* If the mask is 0, then we don't need to worry about this input
2380 * range checker value.
2384 (*(u16 *)(data + info->src.last)) << info->xtrct.disp;
2386 (*(u16 *)(data + info->src.val)) << info->xtrct.disp;
2387 u8 range_idx = info->entry.val;
2389 range_buf->checker_cfg[range_idx].low_boundary =
2390 CPU_TO_BE16(new_low);
2391 range_buf->checker_cfg[range_idx].high_boundary =
2392 CPU_TO_BE16(new_high);
2393 range_buf->checker_cfg[range_idx].mask = CPU_TO_BE16(new_mask);
2395 /* Indicate which range checker is being used */
2396 *range |= BIT(range_idx);
2401 * ice_flow_acl_frmt_entry_fld - Partially format ACL entry for a given field
2402 * @fld: number of the given field
2403 * @info: info about the field
2404 * @buf: buffer containing the entry
2405 * @dontcare: buffer containing don't care mask for entry
2406 * @data: pointer to a data buffer containing flow entry's match values/masks
2409 ice_flow_acl_frmt_entry_fld(u16 fld, struct ice_flow_fld_info *info, u8 *buf,
2410 u8 *dontcare, u8 *data)
2412 u16 dst, src, mask, k, end_disp, tmp_s = 0, tmp_m = 0;
2413 bool use_mask = false;
2416 src = info->src.val;
2417 mask = info->src.mask;
2418 dst = info->entry.val - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
2419 disp = info->xtrct.disp % BITS_PER_BYTE;
2421 if (mask != ICE_FLOW_FLD_OFF_INVAL)
2424 for (k = 0; k < info->entry.last; k++, dst++) {
2425 /* Add overflow bits from previous byte */
2426 buf[dst] = (tmp_s & 0xff00) >> 8;
2428 /* If mask is not valid, tmp_m is always zero, so just setting
2429 * dontcare to 0 (no masked bits). If mask is valid, pulls in
2430 * overflow bits of mask from prev byte
2432 dontcare[dst] = (tmp_m & 0xff00) >> 8;
2434 /* If there is displacement, last byte will only contain
2435 * displaced data, but there is no more data to read from user
2436 * buffer, so skip so as not to potentially read beyond end of
2439 if (!disp || k < info->entry.last - 1) {
2440 /* Store shifted data to use in next byte */
2441 tmp_s = data[src++] << disp;
2443 /* Add current (shifted) byte */
2444 buf[dst] |= tmp_s & 0xff;
2446 /* Handle mask if valid */
2448 tmp_m = (~data[mask++] & 0xff) << disp;
2449 dontcare[dst] |= tmp_m & 0xff;
2454 /* Fill in don't care bits at beginning of field */
2456 dst = info->entry.val - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
2457 for (k = 0; k < disp; k++)
2458 dontcare[dst] |= BIT(k);
2461 end_disp = (disp + ice_flds_info[fld].size) % BITS_PER_BYTE;
2463 /* Fill in don't care bits at end of field */
2465 dst = info->entry.val - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX +
2466 info->entry.last - 1;
2467 for (k = end_disp; k < BITS_PER_BYTE; k++)
2468 dontcare[dst] |= BIT(k);
2473 * ice_flow_acl_frmt_entry - Format ACL entry
2474 * @hw: pointer to the hardware structure
2475 * @prof: pointer to flow profile
2476 * @e: pointer to the flow entry
2477 * @data: pointer to a data buffer containing flow entry's match values/masks
2478 * @acts: array of actions to be performed on a match
2479 * @acts_cnt: number of actions
2481 * Formats the key (and key_inverse) to be matched from the data passed in,
2482 * along with data from the flow profile. This key/key_inverse pair makes up
2483 * the 'entry' for an ACL flow entry.
2485 static enum ice_status
2486 ice_flow_acl_frmt_entry(struct ice_hw *hw, struct ice_flow_prof *prof,
2487 struct ice_flow_entry *e, u8 *data,
2488 struct ice_flow_action *acts, u8 acts_cnt)
2490 u8 *buf = NULL, *dontcare = NULL, *key = NULL, range = 0, dir_flag_msk;
2491 struct ice_aqc_acl_profile_ranges *range_buf = NULL;
2492 enum ice_status status;
2497 status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
2501 /* Format the result action */
2503 status = ice_flow_acl_check_actions(hw, acts, acts_cnt, &cnt_alloc);
2507 status = ICE_ERR_NO_MEMORY;
2509 e->acts = (struct ice_flow_action *)
2510 ice_memdup(hw, acts, acts_cnt * sizeof(*acts),
2511 ICE_NONDMA_TO_NONDMA);
2516 e->acts_cnt = acts_cnt;
2518 /* Format the matching data */
2519 buf_sz = prof->cfg.scen->width;
2520 buf = (u8 *)ice_malloc(hw, buf_sz);
2524 dontcare = (u8 *)ice_malloc(hw, buf_sz);
2528 /* 'key' buffer will store both key and key_inverse, so must be twice
2531 key = (u8 *)ice_malloc(hw, buf_sz * 2);
2535 range_buf = (struct ice_aqc_acl_profile_ranges *)
2536 ice_malloc(hw, sizeof(struct ice_aqc_acl_profile_ranges));
2540 /* Set don't care mask to all 1's to start, will zero out used bytes */
2541 ice_memset(dontcare, 0xff, buf_sz, ICE_NONDMA_MEM);
2543 for (i = 0; i < prof->segs_cnt; i++) {
2544 struct ice_flow_seg_info *seg = &prof->segs[i];
2545 u64 match = seg->match;
2548 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
2549 struct ice_flow_fld_info *info;
2550 const u64 bit = BIT_ULL(j);
2555 info = &seg->fields[j];
2557 if (info->type == ICE_FLOW_FLD_TYPE_RANGE)
2558 ice_flow_acl_frmt_entry_range(j, info,
2562 ice_flow_acl_frmt_entry_fld(j, info, buf,
2568 for (j = 0; j < seg->raws_cnt; j++) {
2569 struct ice_flow_fld_info *info = &seg->raws[j].info;
2570 u16 dst, src, mask, k;
2571 bool use_mask = false;
2573 src = info->src.val;
2574 dst = info->entry.val -
2575 ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
2576 mask = info->src.mask;
2578 if (mask != ICE_FLOW_FLD_OFF_INVAL)
2581 for (k = 0; k < info->entry.last; k++, dst++) {
2582 buf[dst] = data[src++];
2584 dontcare[dst] = ~data[mask++];
2591 buf[prof->cfg.scen->pid_idx] = (u8)prof_id;
2592 dontcare[prof->cfg.scen->pid_idx] = 0;
2594 /* Format the buffer for direction flags */
2595 dir_flag_msk = BIT(ICE_FLG_PKT_DIR);
2597 if (prof->dir == ICE_FLOW_RX)
2598 buf[prof->cfg.scen->pkt_dir_idx] = dir_flag_msk;
2601 buf[prof->cfg.scen->rng_chk_idx] = range;
2602 /* Mark any unused range checkers as don't care */
2603 dontcare[prof->cfg.scen->rng_chk_idx] = ~range;
2604 e->range_buf = range_buf;
2606 ice_free(hw, range_buf);
2609 status = ice_set_key(key, buf_sz * 2, buf, NULL, dontcare, NULL, 0,
2615 e->entry_sz = buf_sz * 2;
2622 ice_free(hw, dontcare);
2627 if (status && range_buf) {
2628 ice_free(hw, range_buf);
2629 e->range_buf = NULL;
2632 if (status && e->acts) {
2633 ice_free(hw, e->acts);
2638 if (status && cnt_alloc)
2639 ice_flow_acl_free_act_cntr(hw, acts, acts_cnt);
2645 * ice_flow_acl_find_scen_entry_cond - Find an ACL scenario entry that matches
2646 * the compared data.
2647 * @prof: pointer to flow profile
2648 * @e: pointer to the comparing flow entry
2649 * @do_chg_action: decide if we want to change the ACL action
2650 * @do_add_entry: decide if we want to add the new ACL entry
2651 * @do_rem_entry: decide if we want to remove the current ACL entry
2653 * Find an ACL scenario entry that matches the compared data. In the same time,
2654 * this function also figure out:
2655 * a/ If we want to change the ACL action
2656 * b/ If we want to add the new ACL entry
2657 * c/ If we want to remove the current ACL entry
2659 static struct ice_flow_entry *
2660 ice_flow_acl_find_scen_entry_cond(struct ice_flow_prof *prof,
2661 struct ice_flow_entry *e, bool *do_chg_action,
2662 bool *do_add_entry, bool *do_rem_entry)
2664 struct ice_flow_entry *p, *return_entry = NULL;
2668 * a/ There exists an entry with same matching data, but different
2669 * priority, then we remove this existing ACL entry. Then, we
2670 * will add the new entry to the ACL scenario.
2671 * b/ There exists an entry with same matching data, priority, and
2672 * result action, then we do nothing
2673 * c/ There exists an entry with same matching data, priority, but
2674 * different, action, then do only change the action's entry.
2675 * d/ Else, we add this new entry to the ACL scenario.
2677 *do_chg_action = false;
2678 *do_add_entry = true;
2679 *do_rem_entry = false;
2680 LIST_FOR_EACH_ENTRY(p, &prof->entries, ice_flow_entry, l_entry) {
2681 if (memcmp(p->entry, e->entry, p->entry_sz))
2684 /* From this point, we have the same matching_data. */
2685 *do_add_entry = false;
2688 if (p->priority != e->priority) {
2689 /* matching data && !priority */
2690 *do_add_entry = true;
2691 *do_rem_entry = true;
2695 /* From this point, we will have matching_data && priority */
2696 if (p->acts_cnt != e->acts_cnt)
2697 *do_chg_action = true;
2698 for (i = 0; i < p->acts_cnt; i++) {
2699 bool found_not_match = false;
2701 for (j = 0; j < e->acts_cnt; j++)
2702 if (memcmp(&p->acts[i], &e->acts[j],
2703 sizeof(struct ice_flow_action))) {
2704 found_not_match = true;
2708 if (found_not_match) {
2709 *do_chg_action = true;
2714 /* (do_chg_action = true) means :
2715 * matching_data && priority && !result_action
2716 * (do_chg_action = false) means :
2717 * matching_data && priority && result_action
2722 return return_entry;
2726 * ice_flow_acl_convert_to_acl_prior - Convert to ACL priority
2729 static enum ice_acl_entry_prior
2730 ice_flow_acl_convert_to_acl_prior(enum ice_flow_priority p)
2732 enum ice_acl_entry_prior acl_prior;
2735 case ICE_FLOW_PRIO_LOW:
2736 acl_prior = ICE_LOW;
2738 case ICE_FLOW_PRIO_NORMAL:
2739 acl_prior = ICE_NORMAL;
2741 case ICE_FLOW_PRIO_HIGH:
2742 acl_prior = ICE_HIGH;
2745 acl_prior = ICE_NORMAL;
2753 * ice_flow_acl_union_rng_chk - Perform union operation between two
2754 * range-range checker buffers
2755 * @dst_buf: pointer to destination range checker buffer
2756 * @src_buf: pointer to source range checker buffer
2758 * For this function, we do the union between dst_buf and src_buf
2759 * range checker buffer, and we will save the result back to dst_buf
2761 static enum ice_status
2762 ice_flow_acl_union_rng_chk(struct ice_aqc_acl_profile_ranges *dst_buf,
2763 struct ice_aqc_acl_profile_ranges *src_buf)
2767 if (!dst_buf || !src_buf)
2768 return ICE_ERR_BAD_PTR;
2770 for (i = 0; i < ICE_AQC_ACL_PROF_RANGES_NUM_CFG; i++) {
2771 struct ice_acl_rng_data *cfg_data = NULL, *in_data;
2772 bool will_populate = false;
2774 in_data = &src_buf->checker_cfg[i];
2779 for (j = 0; j < ICE_AQC_ACL_PROF_RANGES_NUM_CFG; j++) {
2780 cfg_data = &dst_buf->checker_cfg[j];
2782 if (!cfg_data->mask ||
2783 !memcmp(cfg_data, in_data,
2784 sizeof(struct ice_acl_rng_data))) {
2785 will_populate = true;
2790 if (will_populate) {
2791 ice_memcpy(cfg_data, in_data,
2792 sizeof(struct ice_acl_rng_data),
2793 ICE_NONDMA_TO_NONDMA);
2795 /* No available slot left to program range checker */
2796 return ICE_ERR_MAX_LIMIT;
2804 * ice_flow_acl_add_scen_entry_sync - Add entry to ACL scenario sync
2805 * @hw: pointer to the hardware structure
2806 * @prof: pointer to flow profile
2807 * @entry: double pointer to the flow entry
2809 * For this function, we will look at the current added entries in the
2810 * corresponding ACL scenario. Then, we will perform matching logic to
2811 * see if we want to add/modify/do nothing with this new entry.
2813 static enum ice_status
2814 ice_flow_acl_add_scen_entry_sync(struct ice_hw *hw, struct ice_flow_prof *prof,
2815 struct ice_flow_entry **entry)
2817 bool do_add_entry, do_rem_entry, do_chg_action, do_chg_rng_chk;
2818 struct ice_aqc_acl_profile_ranges query_rng_buf, cfg_rng_buf;
2819 struct ice_acl_act_entry *acts = NULL;
2820 struct ice_flow_entry *exist;
2821 enum ice_status status = ICE_SUCCESS;
2822 struct ice_flow_entry *e;
2825 if (!entry || !(*entry) || !prof)
2826 return ICE_ERR_BAD_PTR;
2830 do_chg_rng_chk = false;
2834 status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id,
2839 /* Query the current range-checker value in FW */
2840 status = ice_query_acl_prof_ranges(hw, prof_id, &query_rng_buf,
2844 ice_memcpy(&cfg_rng_buf, &query_rng_buf,
2845 sizeof(struct ice_aqc_acl_profile_ranges),
2846 ICE_NONDMA_TO_NONDMA);
2848 /* Generate the new range-checker value */
2849 status = ice_flow_acl_union_rng_chk(&cfg_rng_buf, e->range_buf);
2853 /* Reconfigure the range check if the buffer is changed. */
2854 do_chg_rng_chk = false;
2855 if (memcmp(&query_rng_buf, &cfg_rng_buf,
2856 sizeof(struct ice_aqc_acl_profile_ranges))) {
2857 status = ice_prog_acl_prof_ranges(hw, prof_id,
2858 &cfg_rng_buf, NULL);
2862 do_chg_rng_chk = true;
2866 /* Figure out if we want to (change the ACL action) and/or
2867 * (Add the new ACL entry) and/or (Remove the current ACL entry)
2869 exist = ice_flow_acl_find_scen_entry_cond(prof, e, &do_chg_action,
2870 &do_add_entry, &do_rem_entry);
2873 status = ice_flow_rem_entry_sync(hw, ICE_BLK_ACL, exist);
2878 /* Prepare the result action buffer */
2879 acts = (struct ice_acl_act_entry *)ice_calloc
2880 (hw, e->entry_sz, sizeof(struct ice_acl_act_entry));
2881 for (i = 0; i < e->acts_cnt; i++)
2882 ice_memcpy(&acts[i], &e->acts[i].data.acl_act,
2883 sizeof(struct ice_acl_act_entry),
2884 ICE_NONDMA_TO_NONDMA);
2887 enum ice_acl_entry_prior prior;
2891 keys = (u8 *)e->entry;
2892 inverts = keys + (e->entry_sz / 2);
2893 prior = ice_flow_acl_convert_to_acl_prior(e->priority);
2895 status = ice_acl_add_entry(hw, prof->cfg.scen, prior, keys,
2896 inverts, acts, e->acts_cnt,
2901 e->scen_entry_idx = entry_idx;
2902 LIST_ADD(&e->l_entry, &prof->entries);
2904 if (do_chg_action) {
2905 /* For the action memory info, update the SW's copy of
2906 * exist entry with e's action memory info
2908 ice_free(hw, exist->acts);
2909 exist->acts_cnt = e->acts_cnt;
2910 exist->acts = (struct ice_flow_action *)
2911 ice_calloc(hw, exist->acts_cnt,
2912 sizeof(struct ice_flow_action));
2915 status = ICE_ERR_NO_MEMORY;
2919 ice_memcpy(exist->acts, e->acts,
2920 sizeof(struct ice_flow_action) * e->acts_cnt,
2921 ICE_NONDMA_TO_NONDMA);
2923 status = ice_acl_prog_act(hw, prof->cfg.scen, acts,
2925 exist->scen_entry_idx);
2930 if (do_chg_rng_chk) {
2931 /* In this case, we want to update the range checker
2932 * information of the exist entry
2934 status = ice_flow_acl_union_rng_chk(exist->range_buf,
2940 /* As we don't add the new entry to our SW DB, deallocate its
2941 * memories, and return the exist entry to the caller
2943 ice_dealloc_flow_entry(hw, e);
2954 * ice_flow_acl_add_scen_entry - Add entry to ACL scenario
2955 * @hw: pointer to the hardware structure
2956 * @prof: pointer to flow profile
2957 * @e: double pointer to the flow entry
2959 static enum ice_status
2960 ice_flow_acl_add_scen_entry(struct ice_hw *hw, struct ice_flow_prof *prof,
2961 struct ice_flow_entry **e)
2963 enum ice_status status;
2965 ice_acquire_lock(&prof->entries_lock);
2966 status = ice_flow_acl_add_scen_entry_sync(hw, prof, e);
2967 ice_release_lock(&prof->entries_lock);
2973 * ice_flow_add_entry - Add a flow entry
2974 * @hw: pointer to the HW struct
2975 * @blk: classification stage
2976 * @prof_id: ID of the profile to add a new flow entry to
2977 * @entry_id: unique ID to identify this flow entry
2978 * @vsi_handle: software VSI handle for the flow entry
2979 * @prio: priority of the flow entry
2980 * @data: pointer to a data buffer containing flow entry's match values/masks
2981 * @acts: arrays of actions to be performed on a match
2982 * @acts_cnt: number of actions
2983 * @entry_h: pointer to buffer that receives the new flow entry's handle
2986 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
2987 u64 entry_id, u16 vsi_handle, enum ice_flow_priority prio,
2988 void *data, struct ice_flow_action *acts, u8 acts_cnt,
2991 struct ice_flow_entry *e = NULL;
2992 struct ice_flow_prof *prof;
2993 enum ice_status status = ICE_SUCCESS;
2995 /* ACL entries must indicate an action */
2996 if (blk == ICE_BLK_ACL && (!acts || !acts_cnt))
2997 return ICE_ERR_PARAM;
2999 /* No flow entry data is expected for RSS */
3000 if (!entry_h || (!data && blk != ICE_BLK_RSS))
3001 return ICE_ERR_BAD_PTR;
3003 if (!ice_is_vsi_valid(hw, vsi_handle))
3004 return ICE_ERR_PARAM;
3006 ice_acquire_lock(&hw->fl_profs_locks[blk]);
3008 prof = ice_flow_find_prof_id(hw, blk, prof_id);
3010 status = ICE_ERR_DOES_NOT_EXIST;
3012 /* Allocate memory for the entry being added and associate
3013 * the VSI to the found flow profile
3015 e = (struct ice_flow_entry *)ice_malloc(hw, sizeof(*e));
3017 status = ICE_ERR_NO_MEMORY;
3019 status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
3022 ice_release_lock(&hw->fl_profs_locks[blk]);
3027 e->vsi_handle = vsi_handle;
3036 /* ACL will handle the entry management */
3037 status = ice_flow_acl_frmt_entry(hw, prof, e, (u8 *)data, acts,
3042 status = ice_flow_acl_add_scen_entry(hw, prof, &e);
3048 status = ICE_ERR_NOT_IMPL;
3052 if (blk != ICE_BLK_ACL) {
3053 /* ACL will handle the entry management */
3054 ice_acquire_lock(&prof->entries_lock);
3055 LIST_ADD(&e->l_entry, &prof->entries);
3056 ice_release_lock(&prof->entries_lock);
3059 *entry_h = ICE_FLOW_ENTRY_HNDL(e);
3064 ice_free(hw, e->entry);
3072 * ice_flow_rem_entry - Remove a flow entry
3073 * @hw: pointer to the HW struct
3074 * @blk: classification stage
3075 * @entry_h: handle to the flow entry to be removed
3077 enum ice_status ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk,
3080 struct ice_flow_entry *entry;
3081 struct ice_flow_prof *prof;
3082 enum ice_status status = ICE_SUCCESS;
3084 if (entry_h == ICE_FLOW_ENTRY_HANDLE_INVAL)
3085 return ICE_ERR_PARAM;
3087 entry = ICE_FLOW_ENTRY_PTR((unsigned long)entry_h);
3089 /* Retain the pointer to the flow profile as the entry will be freed */
3093 ice_acquire_lock(&prof->entries_lock);
3094 status = ice_flow_rem_entry_sync(hw, blk, entry);
3095 ice_release_lock(&prof->entries_lock);
3102 * ice_flow_set_fld_ext - specifies locations of field from entry's input buffer
3103 * @seg: packet segment the field being set belongs to
3104 * @fld: field to be set
3105 * @field_type: type of the field
3106 * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
3107 * entry's input buffer
3108 * @mask_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of mask value from entry's
3110 * @last_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of last/upper value from
3111 * entry's input buffer
3113 * This helper function stores information of a field being matched, including
3114 * the type of the field and the locations of the value to match, the mask, and
3115 * and the upper-bound value in the start of the input buffer for a flow entry.
3116 * This function should only be used for fixed-size data structures.
3118 * This function also opportunistically determines the protocol headers to be
3119 * present based on the fields being set. Some fields cannot be used alone to
3120 * determine the protocol headers present. Sometimes, fields for particular
3121 * protocol headers are not matched. In those cases, the protocol headers
3122 * must be explicitly set.
3125 ice_flow_set_fld_ext(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
3126 enum ice_flow_fld_match_type field_type, u16 val_loc,
3127 u16 mask_loc, u16 last_loc)
3129 u64 bit = BIT_ULL(fld);
3132 if (field_type == ICE_FLOW_FLD_TYPE_RANGE)
3135 seg->fields[fld].type = field_type;
3136 seg->fields[fld].src.val = val_loc;
3137 seg->fields[fld].src.mask = mask_loc;
3138 seg->fields[fld].src.last = last_loc;
3140 ICE_FLOW_SET_HDRS(seg, ice_flds_info[fld].hdr);
3144 * ice_flow_set_fld - specifies locations of field from entry's input buffer
3145 * @seg: packet segment the field being set belongs to
3146 * @fld: field to be set
3147 * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
3148 * entry's input buffer
3149 * @mask_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of mask value from entry's
3151 * @last_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of last/upper value from
3152 * entry's input buffer
3153 * @range: indicate if field being matched is to be in a range
3155 * This function specifies the locations, in the form of byte offsets from the
3156 * start of the input buffer for a flow entry, from where the value to match,
3157 * the mask value, and upper value can be extracted. These locations are then
3158 * stored in the flow profile. When adding a flow entry associated with the
3159 * flow profile, these locations will be used to quickly extract the values and
3160 * create the content of a match entry. This function should only be used for
3161 * fixed-size data structures.
3164 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
3165 u16 val_loc, u16 mask_loc, u16 last_loc, bool range)
3167 enum ice_flow_fld_match_type t = range ?
3168 ICE_FLOW_FLD_TYPE_RANGE : ICE_FLOW_FLD_TYPE_REG;
3170 ice_flow_set_fld_ext(seg, fld, t, val_loc, mask_loc, last_loc);
3174 * ice_flow_set_fld_prefix - sets locations of prefix field from entry's buf
3175 * @seg: packet segment the field being set belongs to
3176 * @fld: field to be set
3177 * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
3178 * entry's input buffer
3179 * @pref_loc: location of prefix value from entry's input buffer
3180 * @pref_sz: size of the location holding the prefix value
3182 * This function specifies the locations, in the form of byte offsets from the
3183 * start of the input buffer for a flow entry, from where the value to match
3184 * and the IPv4 prefix value can be extracted. These locations are then stored
3185 * in the flow profile. When adding flow entries to the associated flow profile,
3186 * these locations can be used to quickly extract the values to create the
3187 * content of a match entry. This function should only be used for fixed-size
3191 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
3192 u16 val_loc, u16 pref_loc, u8 pref_sz)
3194 /* For this type of field, the "mask" location is for the prefix value's
3195 * location and the "last" location is for the size of the location of
3198 ice_flow_set_fld_ext(seg, fld, ICE_FLOW_FLD_TYPE_PREFIX, val_loc,
3199 pref_loc, (u16)pref_sz);
3203 * ice_flow_add_fld_raw - sets locations of a raw field from entry's input buf
3204 * @seg: packet segment the field being set belongs to
3205 * @off: offset of the raw field from the beginning of the segment in bytes
3206 * @len: length of the raw pattern to be matched
3207 * @val_loc: location of the value to match from entry's input buffer
3208 * @mask_loc: location of mask value from entry's input buffer
3210 * This function specifies the offset of the raw field to be match from the
3211 * beginning of the specified packet segment, and the locations, in the form of
3212 * byte offsets from the start of the input buffer for a flow entry, from where
3213 * the value to match and the mask value to be extracted. These locations are
3214 * then stored in the flow profile. When adding flow entries to the associated
3215 * flow profile, these locations can be used to quickly extract the values to
3216 * create the content of a match entry. This function should only be used for
3217 * fixed-size data structures.
3220 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
3221 u16 val_loc, u16 mask_loc)
3223 if (seg->raws_cnt < ICE_FLOW_SEG_RAW_FLD_MAX) {
3224 seg->raws[seg->raws_cnt].off = off;
3225 seg->raws[seg->raws_cnt].info.type = ICE_FLOW_FLD_TYPE_SIZE;
3226 seg->raws[seg->raws_cnt].info.src.val = val_loc;
3227 seg->raws[seg->raws_cnt].info.src.mask = mask_loc;
3228 /* The "last" field is used to store the length of the field */
3229 seg->raws[seg->raws_cnt].info.src.last = len;
3232 /* Overflows of "raws" will be handled as an error condition later in
3233 * the flow when this information is processed.
3238 #define ICE_FLOW_RSS_SEG_HDR_L2_MASKS \
3239 (ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
3241 #define ICE_FLOW_RSS_SEG_HDR_L3_MASKS \
3242 (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6)
3244 #define ICE_FLOW_RSS_SEG_HDR_L4_MASKS \
3245 (ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | \
3246 ICE_FLOW_SEG_HDR_SCTP)
3248 #define ICE_FLOW_RSS_SEG_HDR_VAL_MASKS \
3249 (ICE_FLOW_RSS_SEG_HDR_L2_MASKS | \
3250 ICE_FLOW_RSS_SEG_HDR_L3_MASKS | \
3251 ICE_FLOW_RSS_SEG_HDR_L4_MASKS)
3254 * ice_flow_set_rss_seg_info - setup packet segments for RSS
3255 * @segs: pointer to the flow field segment(s)
3256 * @hash_fields: fields to be hashed on for the segment(s)
3257 * @flow_hdr: protocol header fields within a packet segment
3259 * Helper function to extract fields from hash bitmap and use flow
3260 * header value to set flow field segment for further use in flow
3261 * profile entry or removal.
3263 static enum ice_status
3264 ice_flow_set_rss_seg_info(struct ice_flow_seg_info *segs, u64 hash_fields,
3267 u64 val = hash_fields;
3270 for (i = 0; val && i < ICE_FLOW_FIELD_IDX_MAX; i++) {
3271 u64 bit = BIT_ULL(i);
3274 ice_flow_set_fld(segs, (enum ice_flow_field)i,
3275 ICE_FLOW_FLD_OFF_INVAL,
3276 ICE_FLOW_FLD_OFF_INVAL,
3277 ICE_FLOW_FLD_OFF_INVAL, false);
3281 ICE_FLOW_SET_HDRS(segs, flow_hdr);
3283 if (segs->hdrs & ~ICE_FLOW_RSS_SEG_HDR_VAL_MASKS &
3284 ~ICE_FLOW_RSS_HDRS_INNER_MASK & ~ICE_FLOW_SEG_HDR_IPV_OTHER)
3285 return ICE_ERR_PARAM;
3287 val = (u64)(segs->hdrs & ICE_FLOW_RSS_SEG_HDR_L3_MASKS);
3288 if (val && !ice_is_pow2(val))
3291 val = (u64)(segs->hdrs & ICE_FLOW_RSS_SEG_HDR_L4_MASKS);
3292 if (val && !ice_is_pow2(val))
3299 * ice_rem_vsi_rss_list - remove VSI from RSS list
3300 * @hw: pointer to the hardware structure
3301 * @vsi_handle: software VSI handle
3303 * Remove the VSI from all RSS configurations in the list.
3305 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle)
3307 struct ice_rss_cfg *r, *tmp;
3309 if (LIST_EMPTY(&hw->rss_list_head))
3312 ice_acquire_lock(&hw->rss_locks);
3313 LIST_FOR_EACH_ENTRY_SAFE(r, tmp, &hw->rss_list_head,
3314 ice_rss_cfg, l_entry)
3315 if (ice_test_and_clear_bit(vsi_handle, r->vsis))
3316 if (!ice_is_any_bit_set(r->vsis, ICE_MAX_VSI)) {
3317 LIST_DEL(&r->l_entry);
3320 ice_release_lock(&hw->rss_locks);
3324 * ice_rem_vsi_rss_cfg - remove RSS configurations associated with VSI
3325 * @hw: pointer to the hardware structure
3326 * @vsi_handle: software VSI handle
3328 * This function will iterate through all flow profiles and disassociate
3329 * the VSI from that profile. If the flow profile has no VSIs it will
3332 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
3334 const enum ice_block blk = ICE_BLK_RSS;
3335 struct ice_flow_prof *p, *t;
3336 enum ice_status status = ICE_SUCCESS;
3338 if (!ice_is_vsi_valid(hw, vsi_handle))
3339 return ICE_ERR_PARAM;
3341 if (LIST_EMPTY(&hw->fl_profs[blk]))
3344 ice_acquire_lock(&hw->rss_locks);
3345 LIST_FOR_EACH_ENTRY_SAFE(p, t, &hw->fl_profs[blk], ice_flow_prof,
3347 if (ice_is_bit_set(p->vsis, vsi_handle)) {
3348 status = ice_flow_disassoc_prof(hw, blk, p, vsi_handle);
3352 if (!ice_is_any_bit_set(p->vsis, ICE_MAX_VSI)) {
3353 status = ice_flow_rem_prof(hw, blk, p->id);
3358 ice_release_lock(&hw->rss_locks);
3364 * ice_rem_rss_list - remove RSS configuration from list
3365 * @hw: pointer to the hardware structure
3366 * @vsi_handle: software VSI handle
3367 * @prof: pointer to flow profile
3369 * Assumption: lock has already been acquired for RSS list
3372 ice_rem_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
3374 struct ice_rss_cfg *r, *tmp;
3376 /* Search for RSS hash fields associated to the VSI that match the
3377 * hash configurations associated to the flow profile. If found
3378 * remove from the RSS entry list of the VSI context and delete entry.
3380 LIST_FOR_EACH_ENTRY_SAFE(r, tmp, &hw->rss_list_head,
3381 ice_rss_cfg, l_entry)
3382 if (r->hashed_flds == prof->segs[prof->segs_cnt - 1].match &&
3383 r->packet_hdr == prof->segs[prof->segs_cnt - 1].hdrs) {
3384 ice_clear_bit(vsi_handle, r->vsis);
3385 if (!ice_is_any_bit_set(r->vsis, ICE_MAX_VSI)) {
3386 LIST_DEL(&r->l_entry);
3394 * ice_add_rss_list - add RSS configuration to list
3395 * @hw: pointer to the hardware structure
3396 * @vsi_handle: software VSI handle
3397 * @prof: pointer to flow profile
3399 * Assumption: lock has already been acquired for RSS list
3401 static enum ice_status
3402 ice_add_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
3404 struct ice_rss_cfg *r, *rss_cfg;
3406 LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
3407 ice_rss_cfg, l_entry)
3408 if (r->hashed_flds == prof->segs[prof->segs_cnt - 1].match &&
3409 r->packet_hdr == prof->segs[prof->segs_cnt - 1].hdrs) {
3410 ice_set_bit(vsi_handle, r->vsis);
3414 rss_cfg = (struct ice_rss_cfg *)ice_malloc(hw, sizeof(*rss_cfg));
3416 return ICE_ERR_NO_MEMORY;
3418 rss_cfg->hashed_flds = prof->segs[prof->segs_cnt - 1].match;
3419 rss_cfg->packet_hdr = prof->segs[prof->segs_cnt - 1].hdrs;
3420 rss_cfg->symm = prof->cfg.symm;
3421 ice_set_bit(vsi_handle, rss_cfg->vsis);
3423 LIST_ADD_TAIL(&rss_cfg->l_entry, &hw->rss_list_head);
3428 #define ICE_FLOW_PROF_HASH_S 0
3429 #define ICE_FLOW_PROF_HASH_M (0xFFFFFFFFULL << ICE_FLOW_PROF_HASH_S)
3430 #define ICE_FLOW_PROF_HDR_S 32
3431 #define ICE_FLOW_PROF_HDR_M (0x3FFFFFFFULL << ICE_FLOW_PROF_HDR_S)
3432 #define ICE_FLOW_PROF_ENCAP_S 63
3433 #define ICE_FLOW_PROF_ENCAP_M (BIT_ULL(ICE_FLOW_PROF_ENCAP_S))
3435 #define ICE_RSS_OUTER_HEADERS 1
3436 #define ICE_RSS_INNER_HEADERS 2
3438 /* Flow profile ID format:
3439 * [0:31] - Packet match fields
3440 * [32:62] - Protocol header
3441 * [63] - Encapsulation flag, 0 if non-tunneled, 1 if tunneled
3443 #define ICE_FLOW_GEN_PROFID(hash, hdr, segs_cnt) \
3444 (u64)(((u64)(hash) & ICE_FLOW_PROF_HASH_M) | \
3445 (((u64)(hdr) << ICE_FLOW_PROF_HDR_S) & ICE_FLOW_PROF_HDR_M) | \
3446 ((u8)((segs_cnt) - 1) ? ICE_FLOW_PROF_ENCAP_M : 0))
3449 ice_rss_config_xor_word(struct ice_hw *hw, u8 prof_id, u8 src, u8 dst)
3451 u32 s = ((src % 4) << 3); /* byte shift */
3452 u32 v = dst | 0x80; /* value to program */
3453 u8 i = src / 4; /* register index */
3456 reg = rd32(hw, GLQF_HSYMM(prof_id, i));
3457 reg = (reg & ~(0xff << s)) | (v << s);
3458 wr32(hw, GLQF_HSYMM(prof_id, i), reg);
3462 ice_rss_config_xor(struct ice_hw *hw, u8 prof_id, u8 src, u8 dst, u8 len)
3465 ICE_FLOW_SW_FIELD_VECTOR_MAX / ICE_FLOW_FV_EXTRACT_SZ - 1;
3468 for (i = 0; i < len; i++) {
3469 ice_rss_config_xor_word(hw, prof_id,
3470 /* Yes, field vector in GLQF_HSYMM and
3471 * GLQF_HINSET is inversed!
3473 fv_last_word - (src + i),
3474 fv_last_word - (dst + i));
3475 ice_rss_config_xor_word(hw, prof_id,
3476 fv_last_word - (dst + i),
3477 fv_last_word - (src + i));
3482 ice_rss_update_symm(struct ice_hw *hw,
3483 struct ice_flow_prof *prof)
3485 struct ice_prof_map *map;
3488 ice_acquire_lock(&hw->blk[ICE_BLK_RSS].es.prof_map_lock);
3489 map = ice_search_prof_id(hw, ICE_BLK_RSS, prof->id);
3491 prof_id = map->prof_id;
3492 ice_release_lock(&hw->blk[ICE_BLK_RSS].es.prof_map_lock);
3495 /* clear to default */
3496 for (m = 0; m < 6; m++)
3497 wr32(hw, GLQF_HSYMM(prof_id, m), 0);
3498 if (prof->cfg.symm) {
3499 struct ice_flow_seg_info *seg =
3500 &prof->segs[prof->segs_cnt - 1];
3502 struct ice_flow_seg_xtrct *ipv4_src =
3503 &seg->fields[ICE_FLOW_FIELD_IDX_IPV4_SA].xtrct;
3504 struct ice_flow_seg_xtrct *ipv4_dst =
3505 &seg->fields[ICE_FLOW_FIELD_IDX_IPV4_DA].xtrct;
3506 struct ice_flow_seg_xtrct *ipv6_src =
3507 &seg->fields[ICE_FLOW_FIELD_IDX_IPV6_SA].xtrct;
3508 struct ice_flow_seg_xtrct *ipv6_dst =
3509 &seg->fields[ICE_FLOW_FIELD_IDX_IPV6_DA].xtrct;
3511 struct ice_flow_seg_xtrct *tcp_src =
3512 &seg->fields[ICE_FLOW_FIELD_IDX_TCP_SRC_PORT].xtrct;
3513 struct ice_flow_seg_xtrct *tcp_dst =
3514 &seg->fields[ICE_FLOW_FIELD_IDX_TCP_DST_PORT].xtrct;
3516 struct ice_flow_seg_xtrct *udp_src =
3517 &seg->fields[ICE_FLOW_FIELD_IDX_UDP_SRC_PORT].xtrct;
3518 struct ice_flow_seg_xtrct *udp_dst =
3519 &seg->fields[ICE_FLOW_FIELD_IDX_UDP_DST_PORT].xtrct;
3521 struct ice_flow_seg_xtrct *sctp_src =
3522 &seg->fields[ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT].xtrct;
3523 struct ice_flow_seg_xtrct *sctp_dst =
3524 &seg->fields[ICE_FLOW_FIELD_IDX_SCTP_DST_PORT].xtrct;
3527 if (ipv4_src->prot_id != 0 && ipv4_dst->prot_id != 0)
3528 ice_rss_config_xor(hw, prof_id,
3529 ipv4_src->idx, ipv4_dst->idx, 2);
3532 if (ipv6_src->prot_id != 0 && ipv6_dst->prot_id != 0)
3533 ice_rss_config_xor(hw, prof_id,
3534 ipv6_src->idx, ipv6_dst->idx, 8);
3537 if (tcp_src->prot_id != 0 && tcp_dst->prot_id != 0)
3538 ice_rss_config_xor(hw, prof_id,
3539 tcp_src->idx, tcp_dst->idx, 1);
3542 if (udp_src->prot_id != 0 && udp_dst->prot_id != 0)
3543 ice_rss_config_xor(hw, prof_id,
3544 udp_src->idx, udp_dst->idx, 1);
3547 if (sctp_src->prot_id != 0 && sctp_dst->prot_id != 0)
3548 ice_rss_config_xor(hw, prof_id,
3549 sctp_src->idx, sctp_dst->idx, 1);
3554 * ice_add_rss_cfg_sync - add an RSS configuration
3555 * @hw: pointer to the hardware structure
3556 * @vsi_handle: software VSI handle
3557 * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
3558 * @addl_hdrs: protocol header fields
3559 * @segs_cnt: packet segment count
3560 * @symm: symmetric hash enable/disable
3562 * Assumption: lock has already been acquired for RSS list
3564 static enum ice_status
3565 ice_add_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3566 u32 addl_hdrs, u8 segs_cnt, bool symm)
3568 const enum ice_block blk = ICE_BLK_RSS;
3569 struct ice_flow_prof *prof = NULL;
3570 struct ice_flow_seg_info *segs;
3571 enum ice_status status;
3573 if (!segs_cnt || segs_cnt > ICE_FLOW_SEG_MAX)
3574 return ICE_ERR_PARAM;
3576 segs = (struct ice_flow_seg_info *)ice_calloc(hw, segs_cnt,
3579 return ICE_ERR_NO_MEMORY;
3581 /* Construct the packet segment info from the hashed fields */
3582 status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
3587 /* don't do RSS for GTPU outer */
3588 if (segs_cnt == ICE_RSS_OUTER_HEADERS &&
3589 segs[segs_cnt - 1].hdrs & ICE_FLOW_SEG_HDR_GTPU) {
3590 status = ICE_SUCCESS;
3594 /* Search for a flow profile that has matching headers, hash fields
3595 * and has the input VSI associated to it. If found, no further
3596 * operations required and exit.
3598 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3600 ICE_FLOW_FIND_PROF_CHK_FLDS |
3601 ICE_FLOW_FIND_PROF_CHK_VSI);
3603 if (prof->cfg.symm == symm)
3605 prof->cfg.symm = symm;
3609 /* Check if a flow profile exists with the same protocol headers and
3610 * associated with the input VSI. If so disassociate the VSI from
3611 * this profile. The VSI will be added to a new profile created with
3612 * the protocol header and new hash field configuration.
3614 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3615 vsi_handle, ICE_FLOW_FIND_PROF_CHK_VSI);
3617 status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
3619 ice_rem_rss_list(hw, vsi_handle, prof);
3623 /* Remove profile if it has no VSIs associated */
3624 if (!ice_is_any_bit_set(prof->vsis, ICE_MAX_VSI)) {
3625 status = ice_flow_rem_prof(hw, blk, prof->id);
3631 /* Search for a profile that has same match fields only. If this
3632 * exists then associate the VSI to this profile.
3634 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3636 ICE_FLOW_FIND_PROF_CHK_FLDS);
3638 if (prof->cfg.symm == symm) {
3639 status = ice_flow_assoc_prof(hw, blk, prof,
3642 status = ice_add_rss_list(hw, vsi_handle,
3645 /* if a profile exist but with different symmetric
3646 * requirement, just return error.
3648 status = ICE_ERR_NOT_SUPPORTED;
3653 /* Create a new flow profile with generated profile and packet
3654 * segment information.
3656 status = ice_flow_add_prof(hw, blk, ICE_FLOW_RX,
3657 ICE_FLOW_GEN_PROFID(hashed_flds,
3658 segs[segs_cnt - 1].hdrs,
3660 segs, segs_cnt, NULL, 0, &prof);
3664 status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
3665 /* If association to a new flow profile failed then this profile can
3669 ice_flow_rem_prof(hw, blk, prof->id);
3673 status = ice_add_rss_list(hw, vsi_handle, prof);
3675 prof->cfg.symm = symm;
3678 ice_rss_update_symm(hw, prof);
3686 * ice_add_rss_cfg - add an RSS configuration with specified hashed fields
3687 * @hw: pointer to the hardware structure
3688 * @vsi_handle: software VSI handle
3689 * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
3690 * @addl_hdrs: protocol header fields
3691 * @symm: symmetric hash enable/disable
3693 * This function will generate a flow profile based on fields associated with
3694 * the input fields to hash on, the flow type and use the VSI number to add
3695 * a flow entry to the profile.
3698 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3699 u32 addl_hdrs, bool symm)
3701 enum ice_status status;
3703 if (hashed_flds == ICE_HASH_INVALID ||
3704 !ice_is_vsi_valid(hw, vsi_handle))
3705 return ICE_ERR_PARAM;
3707 ice_acquire_lock(&hw->rss_locks);
3708 status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
3709 ICE_RSS_OUTER_HEADERS, symm);
3712 status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds,
3713 addl_hdrs, ICE_RSS_INNER_HEADERS,
3715 ice_release_lock(&hw->rss_locks);
3721 * ice_rem_rss_cfg_sync - remove an existing RSS configuration
3722 * @hw: pointer to the hardware structure
3723 * @vsi_handle: software VSI handle
3724 * @hashed_flds: Packet hash types (ICE_FLOW_HASH_*) to remove
3725 * @addl_hdrs: Protocol header fields within a packet segment
3726 * @segs_cnt: packet segment count
3728 * Assumption: lock has already been acquired for RSS list
3730 static enum ice_status
3731 ice_rem_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3732 u32 addl_hdrs, u8 segs_cnt)
3734 const enum ice_block blk = ICE_BLK_RSS;
3735 struct ice_flow_seg_info *segs;
3736 struct ice_flow_prof *prof;
3737 enum ice_status status;
3739 segs = (struct ice_flow_seg_info *)ice_calloc(hw, segs_cnt,
3742 return ICE_ERR_NO_MEMORY;
3744 /* Construct the packet segment info from the hashed fields */
3745 status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
3750 if (segs_cnt == ICE_RSS_OUTER_HEADERS &&
3751 segs[segs_cnt - 1].hdrs & ICE_FLOW_SEG_HDR_GTPU) {
3752 status = ICE_SUCCESS;
3756 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3758 ICE_FLOW_FIND_PROF_CHK_FLDS);
3760 status = ICE_ERR_DOES_NOT_EXIST;
3764 status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
3768 /* Remove RSS configuration from VSI context before deleting
3771 ice_rem_rss_list(hw, vsi_handle, prof);
3773 if (!ice_is_any_bit_set(prof->vsis, ICE_MAX_VSI))
3774 status = ice_flow_rem_prof(hw, blk, prof->id);
3782 * ice_rem_rss_cfg - remove an existing RSS config with matching hashed fields
3783 * @hw: pointer to the hardware structure
3784 * @vsi_handle: software VSI handle
3785 * @hashed_flds: Packet hash types (ICE_FLOW_HASH_*) to remove
3786 * @addl_hdrs: Protocol header fields within a packet segment
3788 * This function will lookup the flow profile based on the input
3789 * hash field bitmap, iterate through the profile entry list of
3790 * that profile and find entry associated with input VSI to be
3791 * removed. Calls are made to underlying flow apis which will in
3792 * turn build or update buffers for RSS XLT1 section.
3795 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3798 enum ice_status status;
3800 if (hashed_flds == ICE_HASH_INVALID ||
3801 !ice_is_vsi_valid(hw, vsi_handle))
3802 return ICE_ERR_PARAM;
3804 ice_acquire_lock(&hw->rss_locks);
3805 status = ice_rem_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
3806 ICE_RSS_OUTER_HEADERS);
3808 status = ice_rem_rss_cfg_sync(hw, vsi_handle, hashed_flds,
3809 addl_hdrs, ICE_RSS_INNER_HEADERS);
3810 ice_release_lock(&hw->rss_locks);
3816 * ice_replay_rss_cfg - replay RSS configurations associated with VSI
3817 * @hw: pointer to the hardware structure
3818 * @vsi_handle: software VSI handle
3820 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
3822 enum ice_status status = ICE_SUCCESS;
3823 struct ice_rss_cfg *r;
3825 if (!ice_is_vsi_valid(hw, vsi_handle))
3826 return ICE_ERR_PARAM;
3828 ice_acquire_lock(&hw->rss_locks);
3829 LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
3830 ice_rss_cfg, l_entry) {
3831 if (ice_is_bit_set(r->vsis, vsi_handle)) {
3832 status = ice_add_rss_cfg_sync(hw, vsi_handle,
3835 ICE_RSS_OUTER_HEADERS,
3839 status = ice_add_rss_cfg_sync(hw, vsi_handle,
3842 ICE_RSS_INNER_HEADERS,
3848 ice_release_lock(&hw->rss_locks);
3854 * ice_get_rss_cfg - returns hashed fields for the given header types
3855 * @hw: pointer to the hardware structure
3856 * @vsi_handle: software VSI handle
3857 * @hdrs: protocol header type
3859 * This function will return the match fields of the first instance of flow
3860 * profile having the given header types and containing input VSI
3862 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs)
3864 u64 rss_hash = ICE_HASH_INVALID;
3865 struct ice_rss_cfg *r;
3867 /* verify if the protocol header is non zero and VSI is valid */
3868 if (hdrs == ICE_FLOW_SEG_HDR_NONE || !ice_is_vsi_valid(hw, vsi_handle))
3869 return ICE_HASH_INVALID;
3871 ice_acquire_lock(&hw->rss_locks);
3872 LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
3873 ice_rss_cfg, l_entry)
3874 if (ice_is_bit_set(r->vsis, vsi_handle) &&
3875 r->packet_hdr == hdrs) {
3876 rss_hash = r->hashed_flds;
3879 ice_release_lock(&hw->rss_locks);