1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2019
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_IP_DSCP 1
14 #define ICE_FLOW_FLD_SZ_IP_TTL 1
15 #define ICE_FLOW_FLD_SZ_IP_PROT 1
16 #define ICE_FLOW_FLD_SZ_PORT 2
17 #define ICE_FLOW_FLD_SZ_TCP_FLAGS 1
18 #define ICE_FLOW_FLD_SZ_ICMP_TYPE 1
19 #define ICE_FLOW_FLD_SZ_ICMP_CODE 1
20 #define ICE_FLOW_FLD_SZ_ARP_OPER 2
21 #define ICE_FLOW_FLD_SZ_GRE_KEYID 4
22 #define ICE_FLOW_FLD_SZ_GTP_TEID 4
23 #define ICE_FLOW_FLD_SZ_GTP_QFI 2
24 #define ICE_FLOW_FLD_SZ_PPPOE_SESS_ID 2
26 /* Describe properties of a protocol header field */
27 struct ice_flow_field_info {
28 enum ice_flow_seg_hdr hdr;
29 s16 off; /* Offset from start of a protocol header, in bits */
30 u16 size; /* Size of fields in bits */
31 u16 mask; /* 16-bit mask for field */
34 #define ICE_FLOW_FLD_INFO(_hdr, _offset_bytes, _size_bytes) { \
36 .off = (_offset_bytes) * BITS_PER_BYTE, \
37 .size = (_size_bytes) * BITS_PER_BYTE, \
41 #define ICE_FLOW_FLD_INFO_MSK(_hdr, _offset_bytes, _size_bytes, _mask) { \
43 .off = (_offset_bytes) * BITS_PER_BYTE, \
44 .size = (_size_bytes) * BITS_PER_BYTE, \
48 /* Table containing properties of supported protocol header fields */
50 struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
52 /* ICE_FLOW_FIELD_IDX_ETH_DA */
53 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 0, ETH_ALEN),
54 /* ICE_FLOW_FIELD_IDX_ETH_SA */
55 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, ETH_ALEN, ETH_ALEN),
56 /* ICE_FLOW_FIELD_IDX_S_VLAN */
57 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VLAN, 12, ICE_FLOW_FLD_SZ_VLAN),
58 /* ICE_FLOW_FIELD_IDX_C_VLAN */
59 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VLAN, 14, ICE_FLOW_FLD_SZ_VLAN),
60 /* ICE_FLOW_FIELD_IDX_ETH_TYPE */
61 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 12, ICE_FLOW_FLD_SZ_ETH_TYPE),
63 /* ICE_FLOW_FIELD_IDX_IPV4_DSCP */
64 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV4, 0, ICE_FLOW_FLD_SZ_IP_DSCP,
66 /* ICE_FLOW_FIELD_IDX_IPV6_DSCP */
67 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV6, 0, ICE_FLOW_FLD_SZ_IP_DSCP,
69 /* ICE_FLOW_FIELD_IDX_IPV4_TTL */
70 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8,
71 ICE_FLOW_FLD_SZ_IP_TTL, 0xff00),
72 /* ICE_FLOW_FIELD_IDX_IPV4_PROT */
73 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8,
74 ICE_FLOW_FLD_SZ_IP_PROT, 0x00ff),
75 /* ICE_FLOW_FIELD_IDX_IPV6_TTL */
76 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6,
77 ICE_FLOW_FLD_SZ_IP_TTL, 0x00ff),
78 /* ICE_FLOW_FIELD_IDX_IPV6_PROT */
79 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6,
80 ICE_FLOW_FLD_SZ_IP_PROT, 0xff00),
81 /* ICE_FLOW_FIELD_IDX_IPV4_SA */
82 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 12, ICE_FLOW_FLD_SZ_IPV4_ADDR),
83 /* ICE_FLOW_FIELD_IDX_IPV4_DA */
84 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 16, ICE_FLOW_FLD_SZ_IPV4_ADDR),
85 /* ICE_FLOW_FIELD_IDX_IPV6_SA */
86 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8, ICE_FLOW_FLD_SZ_IPV6_ADDR),
87 /* ICE_FLOW_FIELD_IDX_IPV6_DA */
88 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24, ICE_FLOW_FLD_SZ_IPV6_ADDR),
90 /* ICE_FLOW_FIELD_IDX_TCP_SRC_PORT */
91 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 0, ICE_FLOW_FLD_SZ_PORT),
92 /* ICE_FLOW_FIELD_IDX_TCP_DST_PORT */
93 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 2, ICE_FLOW_FLD_SZ_PORT),
94 /* ICE_FLOW_FIELD_IDX_UDP_SRC_PORT */
95 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 0, ICE_FLOW_FLD_SZ_PORT),
96 /* ICE_FLOW_FIELD_IDX_UDP_DST_PORT */
97 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 2, ICE_FLOW_FLD_SZ_PORT),
98 /* ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT */
99 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 0, ICE_FLOW_FLD_SZ_PORT),
100 /* ICE_FLOW_FIELD_IDX_SCTP_DST_PORT */
101 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 2, ICE_FLOW_FLD_SZ_PORT),
102 /* ICE_FLOW_FIELD_IDX_TCP_FLAGS */
103 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 13, ICE_FLOW_FLD_SZ_TCP_FLAGS),
105 /* ICE_FLOW_FIELD_IDX_ARP_SIP */
106 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 14, ICE_FLOW_FLD_SZ_IPV4_ADDR),
107 /* ICE_FLOW_FIELD_IDX_ARP_DIP */
108 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 24, ICE_FLOW_FLD_SZ_IPV4_ADDR),
109 /* ICE_FLOW_FIELD_IDX_ARP_SHA */
110 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 8, ETH_ALEN),
111 /* ICE_FLOW_FIELD_IDX_ARP_DHA */
112 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 18, ETH_ALEN),
113 /* ICE_FLOW_FIELD_IDX_ARP_OP */
114 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 6, ICE_FLOW_FLD_SZ_ARP_OPER),
116 /* ICE_FLOW_FIELD_IDX_ICMP_TYPE */
117 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ICMP, 0, ICE_FLOW_FLD_SZ_ICMP_TYPE),
118 /* ICE_FLOW_FIELD_IDX_ICMP_CODE */
119 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ICMP, 1, ICE_FLOW_FLD_SZ_ICMP_CODE),
121 /* ICE_FLOW_FIELD_IDX_GRE_KEYID */
122 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GRE, 12, ICE_FLOW_FLD_SZ_GRE_KEYID),
124 /* ICE_FLOW_FIELD_IDX_GTPC_TEID */
125 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPC_TEID, 12,
126 ICE_FLOW_FLD_SZ_GTP_TEID),
127 /* ICE_FLOW_FIELD_IDX_GTPU_IP_TEID */
128 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_IP, 12,
129 ICE_FLOW_FLD_SZ_GTP_TEID),
130 /* ICE_FLOW_FIELD_IDX_GTPU_EH_TEID */
131 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_EH, 12,
132 ICE_FLOW_FLD_SZ_GTP_TEID),
133 /* ICE_FLOW_FIELD_IDX_GTPU_EH_QFI */
134 ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_GTPU_EH, 22,
135 ICE_FLOW_FLD_SZ_GTP_QFI, 0x3f00),
136 /* ICE_FLOW_FIELD_IDX_GTPU_UP_TEID */
137 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_UP, 12,
138 ICE_FLOW_FLD_SZ_GTP_TEID),
139 /* ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID */
140 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_DWN, 12,
141 ICE_FLOW_FLD_SZ_GTP_TEID),
143 /* ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID */
144 ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_PPPOE, 2,
145 ICE_FLOW_FLD_SZ_PPPOE_SESS_ID),
148 /* Bitmaps indicating relevant packet types for a particular protocol header
150 * Packet types for packets with an Outer/First/Single MAC header
152 static const u32 ice_ptypes_mac_ofos[] = {
153 0xFDC00846, 0xBFBF7F7E, 0xF70001DF, 0xFEFDFDFB,
154 0x0000077E, 0x00000000, 0x00000000, 0x00000000,
155 0x00000000, 0x00003000, 0x00000000, 0x00000000,
156 0x00000000, 0x00000000, 0x00000000, 0x00000000,
157 0x00000000, 0x00000000, 0x00000000, 0x00000000,
158 0x00000000, 0x00000000, 0x00000000, 0x00000000,
159 0x00000000, 0x00000000, 0x00000000, 0x00000000,
160 0x00000000, 0x00000000, 0x00000000, 0x00000000,
163 /* Packet types for packets with an Innermost/Last MAC VLAN header */
164 static const u32 ice_ptypes_macvlan_il[] = {
165 0x00000000, 0xBC000000, 0x000001DF, 0xF0000000,
166 0x0000077E, 0x00000000, 0x00000000, 0x00000000,
167 0x00000000, 0x00000000, 0x00000000, 0x00000000,
168 0x00000000, 0x00000000, 0x00000000, 0x00000000,
169 0x00000000, 0x00000000, 0x00000000, 0x00000000,
170 0x00000000, 0x00000000, 0x00000000, 0x00000000,
171 0x00000000, 0x00000000, 0x00000000, 0x00000000,
172 0x00000000, 0x00000000, 0x00000000, 0x00000000,
175 /* Packet types for packets with an Outer/First/Single IPv4 header */
176 static const u32 ice_ptypes_ipv4_ofos[] = {
177 0x1DC00000, 0x04000800, 0x00000000, 0x00000000,
178 0x00000000, 0x00000000, 0x00000000, 0x00000000,
179 0x0003000F, 0x000FC000, 0x03E0F800, 0x00000000,
180 0x00000000, 0x00000000, 0x00000000, 0x00000000,
181 0x00000000, 0x00000000, 0x00000000, 0x00000000,
182 0x00000000, 0x00000000, 0x00000000, 0x00000000,
183 0x00000000, 0x00000000, 0x00000000, 0x00000000,
184 0x00000000, 0x00000000, 0x00000000, 0x00000000,
187 /* Packet types for packets with an Innermost/Last IPv4 header */
188 static const u32 ice_ptypes_ipv4_il[] = {
189 0xE0000000, 0xB807700E, 0x80000003, 0xE01DC03B,
190 0x0000000E, 0x00000000, 0x00000000, 0x00000000,
191 0x00000000, 0x00000000, 0x001FF800, 0x00000000,
192 0x00000000, 0x00000000, 0x00000000, 0x00000000,
193 0x00000000, 0x00000000, 0x00000000, 0x00000000,
194 0x00000000, 0x00000000, 0x00000000, 0x00000000,
195 0x00000000, 0x00000000, 0x00000000, 0x00000000,
196 0x00000000, 0x00000000, 0x00000000, 0x00000000,
199 /* Packet types for packets with an Outer/First/Single IPv6 header */
200 static const u32 ice_ptypes_ipv6_ofos[] = {
201 0x00000000, 0x00000000, 0x77000000, 0x10002000,
202 0x00000000, 0x00000000, 0x00000000, 0x00000000,
203 0x00080F00, 0x03F00000, 0x7C1F0000, 0x00000000,
204 0x00000000, 0x00000000, 0x00000000, 0x00000000,
205 0x00000000, 0x00000000, 0x00000000, 0x00000000,
206 0x00000000, 0x00000000, 0x00000000, 0x00000000,
207 0x00000000, 0x00000000, 0x00000000, 0x00000000,
208 0x00000000, 0x00000000, 0x00000000, 0x00000000,
211 /* Packet types for packets with an Innermost/Last IPv6 header */
212 static const u32 ice_ptypes_ipv6_il[] = {
213 0x00000000, 0x03B80770, 0x000001DC, 0x0EE00000,
214 0x00000770, 0x00000000, 0x00000000, 0x00000000,
215 0x00000000, 0x00000000, 0x7FE00000, 0x00000000,
216 0x00000000, 0x00000000, 0x00000000, 0x00000000,
217 0x00000000, 0x00000000, 0x00000000, 0x00000000,
218 0x00000000, 0x00000000, 0x00000000, 0x00000000,
219 0x00000000, 0x00000000, 0x00000000, 0x00000000,
220 0x00000000, 0x00000000, 0x00000000, 0x00000000,
223 /* Packet types for packets with an Outermost/First ARP header */
224 static const u32 ice_ptypes_arp_of[] = {
225 0x00000800, 0x00000000, 0x00000000, 0x00000000,
226 0x00000000, 0x00000000, 0x00000000, 0x00000000,
227 0x00000000, 0x00000000, 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 /* UDP Packet types for non-tunneled packets or tunneled
236 * packets with inner UDP.
238 static const u32 ice_ptypes_udp_il[] = {
239 0x81000000, 0x20204040, 0x04000010, 0x80810102,
240 0x00000040, 0x00000000, 0x00000000, 0x00000000,
241 0x00000000, 0x00410000, 0x10842000, 0x00000000,
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 TCP header */
250 static const u32 ice_ptypes_tcp_il[] = {
251 0x04000000, 0x80810102, 0x10000040, 0x02040408,
252 0x00000102, 0x00000000, 0x00000000, 0x00000000,
253 0x00000000, 0x00820000, 0x21084000, 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 Innermost/Last SCTP header */
262 static const u32 ice_ptypes_sctp_il[] = {
263 0x08000000, 0x01020204, 0x20000081, 0x04080810,
264 0x00000204, 0x00000000, 0x00000000, 0x00000000,
265 0x00000000, 0x01040000, 0x00000000, 0x00000000,
266 0x00000000, 0x00000000, 0x00000000, 0x00000000,
267 0x00000000, 0x00000000, 0x00000000, 0x00000000,
268 0x00000000, 0x00000000, 0x00000000, 0x00000000,
269 0x00000000, 0x00000000, 0x00000000, 0x00000000,
270 0x00000000, 0x00000000, 0x00000000, 0x00000000,
273 /* Packet types for packets with an Outermost/First ICMP header */
274 static const u32 ice_ptypes_icmp_of[] = {
275 0x10000000, 0x00000000, 0x00000000, 0x00000000,
276 0x00000000, 0x00000000, 0x00000000, 0x00000000,
277 0x00000000, 0x00000000, 0x00000000, 0x00000000,
278 0x00000000, 0x00000000, 0x00000000, 0x00000000,
279 0x00000000, 0x00000000, 0x00000000, 0x00000000,
280 0x00000000, 0x00000000, 0x00000000, 0x00000000,
281 0x00000000, 0x00000000, 0x00000000, 0x00000000,
282 0x00000000, 0x00000000, 0x00000000, 0x00000000,
285 /* Packet types for packets with an Innermost/Last ICMP header */
286 static const u32 ice_ptypes_icmp_il[] = {
287 0x00000000, 0x02040408, 0x40000102, 0x08101020,
288 0x00000408, 0x00000000, 0x00000000, 0x00000000,
289 0x00000000, 0x00000000, 0x42108000, 0x00000000,
290 0x00000000, 0x00000000, 0x00000000, 0x00000000,
291 0x00000000, 0x00000000, 0x00000000, 0x00000000,
292 0x00000000, 0x00000000, 0x00000000, 0x00000000,
293 0x00000000, 0x00000000, 0x00000000, 0x00000000,
294 0x00000000, 0x00000000, 0x00000000, 0x00000000,
297 /* Packet types for packets with an Outermost/First GRE header */
298 static const u32 ice_ptypes_gre_of[] = {
299 0x00000000, 0xBFBF7800, 0x000001DF, 0xFEFDE000,
300 0x0000017E, 0x00000000, 0x00000000, 0x00000000,
301 0x00000000, 0x00000000, 0x00000000, 0x00000000,
302 0x00000000, 0x00000000, 0x00000000, 0x00000000,
303 0x00000000, 0x00000000, 0x00000000, 0x00000000,
304 0x00000000, 0x00000000, 0x00000000, 0x00000000,
305 0x00000000, 0x00000000, 0x00000000, 0x00000000,
306 0x00000000, 0x00000000, 0x00000000, 0x00000000,
309 /* Packet types for packets with an Innermost/Last MAC header */
310 static const u32 ice_ptypes_mac_il[] = {
311 0x00000000, 0x00000000, 0x00000000, 0x00000000,
312 0x00000000, 0x00000000, 0x00000000, 0x00000000,
313 0x00000000, 0x00000000, 0x00000000, 0x00000000,
314 0x00000000, 0x00000000, 0x00000000, 0x00000000,
315 0x00000000, 0x00000000, 0x00000000, 0x00000000,
316 0x00000000, 0x00000000, 0x00000000, 0x00000000,
317 0x00000000, 0x00000000, 0x00000000, 0x00000000,
318 0x00000000, 0x00000000, 0x00000000, 0x00000000,
321 /* Packet types for GTPC */
322 static const u32 ice_ptypes_gtpc[] = {
323 0x00000000, 0x00000000, 0x00000000, 0x00000000,
324 0x00000000, 0x00000000, 0x00000000, 0x00000000,
325 0x00000000, 0x00000000, 0x00000180, 0x00000000,
326 0x00000000, 0x00000000, 0x00000000, 0x00000000,
327 0x00000000, 0x00000000, 0x00000000, 0x00000000,
328 0x00000000, 0x00000000, 0x00000000, 0x00000000,
329 0x00000000, 0x00000000, 0x00000000, 0x00000000,
330 0x00000000, 0x00000000, 0x00000000, 0x00000000,
333 /* Packet types for GTPC with TEID */
334 static const u32 ice_ptypes_gtpc_tid[] = {
335 0x00000000, 0x00000000, 0x00000000, 0x00000000,
336 0x00000000, 0x00000000, 0x00000000, 0x00000000,
337 0x00000000, 0x00000000, 0x00000060, 0x00000000,
338 0x00000000, 0x00000000, 0x00000000, 0x00000000,
339 0x00000000, 0x00000000, 0x00000000, 0x00000000,
340 0x00000000, 0x00000000, 0x00000000, 0x00000000,
341 0x00000000, 0x00000000, 0x00000000, 0x00000000,
342 0x00000000, 0x00000000, 0x00000000, 0x00000000,
345 /* Packet types for GTPU */
346 static const struct ice_ptype_attributes ice_attr_gtpu_eh[] = {
347 { ICE_MAC_IPV4_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
348 { ICE_MAC_IPV4_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
349 { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
350 { ICE_MAC_IPV4_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
351 { ICE_MAC_IPV4_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_PDU_EH },
352 { ICE_MAC_IPV6_GTPU_IPV4_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
353 { ICE_MAC_IPV6_GTPU_IPV4_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
354 { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
355 { ICE_MAC_IPV6_GTPU_IPV4_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
356 { ICE_MAC_IPV6_GTPU_IPV4_ICMP, ICE_PTYPE_ATTR_GTP_PDU_EH },
357 { ICE_MAC_IPV4_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
358 { ICE_MAC_IPV4_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
359 { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
360 { ICE_MAC_IPV4_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
361 { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_PDU_EH },
362 { ICE_MAC_IPV6_GTPU_IPV6_FRAG, ICE_PTYPE_ATTR_GTP_PDU_EH },
363 { ICE_MAC_IPV6_GTPU_IPV6_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
364 { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
365 { ICE_MAC_IPV6_GTPU_IPV6_TCP, ICE_PTYPE_ATTR_GTP_PDU_EH },
366 { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6, ICE_PTYPE_ATTR_GTP_PDU_EH },
369 static const u32 ice_ptypes_gtpu[] = {
370 0x00000000, 0x00000000, 0x00000000, 0x00000000,
371 0x00000000, 0x00000000, 0x00000000, 0x00000000,
372 0x00000000, 0x00000000, 0x7FFFFE00, 0x00000000,
373 0x00000000, 0x00000000, 0x00000000, 0x00000000,
374 0x00000000, 0x00000000, 0x00000000, 0x00000000,
375 0x00000000, 0x00000000, 0x00000000, 0x00000000,
376 0x00000000, 0x00000000, 0x00000000, 0x00000000,
377 0x00000000, 0x00000000, 0x00000000, 0x00000000,
380 /* Packet types for pppoe */
381 static const u32 ice_ptypes_pppoe[] = {
382 0x00000000, 0x00000000, 0x00000000, 0x00000000,
383 0x00000000, 0x00000000, 0x00000000, 0x00000000,
384 0x00000000, 0x03FFF000, 0x00000000, 0x00000000,
385 0x00000000, 0x00000000, 0x00000000, 0x00000000,
386 0x00000000, 0x00000000, 0x00000000, 0x00000000,
387 0x00000000, 0x00000000, 0x00000000, 0x00000000,
388 0x00000000, 0x00000000, 0x00000000, 0x00000000,
389 0x00000000, 0x00000000, 0x00000000, 0x00000000,
392 /* Manage parameters and info. used during the creation of a flow profile */
393 struct ice_flow_prof_params {
395 u16 entry_length; /* # of bytes formatted entry will require */
397 struct ice_flow_prof *prof;
399 /* For ACL, the es[0] will have the data of ICE_RX_MDID_PKT_FLAGS_15_0
400 * This will give us the direction flags.
402 struct ice_fv_word es[ICE_MAX_FV_WORDS];
403 /* attributes can be used to add attributes to a particular PTYPE */
404 const struct ice_ptype_attributes *attr;
407 u16 mask[ICE_MAX_FV_WORDS];
408 ice_declare_bitmap(ptypes, ICE_FLOW_PTYPE_MAX);
411 #define ICE_FLOW_RSS_HDRS_INNER_MASK \
412 (ICE_FLOW_SEG_HDR_PPPOE | ICE_FLOW_SEG_HDR_GTPC | \
413 ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_GTPU)
415 #define ICE_FLOW_SEG_HDRS_L2_MASK \
416 (ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
417 #define ICE_FLOW_SEG_HDRS_L3_MASK \
418 (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6 | \
419 ICE_FLOW_SEG_HDR_ARP)
420 #define ICE_FLOW_SEG_HDRS_L4_MASK \
421 (ICE_FLOW_SEG_HDR_ICMP | ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | \
422 ICE_FLOW_SEG_HDR_SCTP)
425 * ice_flow_val_hdrs - validates packet segments for valid protocol headers
426 * @segs: array of one or more packet segments that describe the flow
427 * @segs_cnt: number of packet segments provided
429 static enum ice_status
430 ice_flow_val_hdrs(struct ice_flow_seg_info *segs, u8 segs_cnt)
434 for (i = 0; i < segs_cnt; i++) {
435 /* Multiple L3 headers */
436 if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK &&
437 !ice_is_pow2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK))
438 return ICE_ERR_PARAM;
440 /* Multiple L4 headers */
441 if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK &&
442 !ice_is_pow2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK))
443 return ICE_ERR_PARAM;
449 /* Sizes of fixed known protocol headers without header options */
450 #define ICE_FLOW_PROT_HDR_SZ_MAC 14
451 #define ICE_FLOW_PROT_HDR_SZ_MAC_VLAN (ICE_FLOW_PROT_HDR_SZ_MAC + 2)
452 #define ICE_FLOW_PROT_HDR_SZ_IPV4 20
453 #define ICE_FLOW_PROT_HDR_SZ_IPV6 40
454 #define ICE_FLOW_PROT_HDR_SZ_ARP 28
455 #define ICE_FLOW_PROT_HDR_SZ_ICMP 8
456 #define ICE_FLOW_PROT_HDR_SZ_TCP 20
457 #define ICE_FLOW_PROT_HDR_SZ_UDP 8
458 #define ICE_FLOW_PROT_HDR_SZ_SCTP 12
461 * ice_flow_calc_seg_sz - calculates size of a packet segment based on headers
462 * @params: information about the flow to be processed
463 * @seg: index of packet segment whose header size is to be determined
465 static u16 ice_flow_calc_seg_sz(struct ice_flow_prof_params *params, u8 seg)
470 sz = (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_VLAN) ?
471 ICE_FLOW_PROT_HDR_SZ_MAC_VLAN : ICE_FLOW_PROT_HDR_SZ_MAC;
474 if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV4)
475 sz += ICE_FLOW_PROT_HDR_SZ_IPV4;
476 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV6)
477 sz += ICE_FLOW_PROT_HDR_SZ_IPV6;
478 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_ARP)
479 sz += ICE_FLOW_PROT_HDR_SZ_ARP;
480 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK)
481 /* A L3 header is required if L4 is specified */
485 if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_ICMP)
486 sz += ICE_FLOW_PROT_HDR_SZ_ICMP;
487 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_TCP)
488 sz += ICE_FLOW_PROT_HDR_SZ_TCP;
489 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_UDP)
490 sz += ICE_FLOW_PROT_HDR_SZ_UDP;
491 else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_SCTP)
492 sz += ICE_FLOW_PROT_HDR_SZ_SCTP;
498 * ice_flow_proc_seg_hdrs - process protocol headers present in pkt segments
499 * @params: information about the flow to be processed
501 * This function identifies the packet types associated with the protocol
502 * headers being present in packet segments of the specified flow profile.
504 static enum ice_status
505 ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params)
507 struct ice_flow_prof *prof;
510 ice_memset(params->ptypes, 0xff, sizeof(params->ptypes),
515 for (i = 0; i < params->prof->segs_cnt; i++) {
516 const ice_bitmap_t *src;
519 hdrs = prof->segs[i].hdrs;
521 if (hdrs & ICE_FLOW_SEG_HDR_ETH) {
522 src = !i ? (const ice_bitmap_t *)ice_ptypes_mac_ofos :
523 (const ice_bitmap_t *)ice_ptypes_mac_il;
524 ice_and_bitmap(params->ptypes, params->ptypes, src,
528 if (i && hdrs & ICE_FLOW_SEG_HDR_VLAN) {
529 src = (const ice_bitmap_t *)ice_ptypes_macvlan_il;
530 ice_and_bitmap(params->ptypes, params->ptypes, src,
534 if (!i && hdrs & ICE_FLOW_SEG_HDR_ARP) {
535 ice_and_bitmap(params->ptypes, params->ptypes,
536 (const ice_bitmap_t *)ice_ptypes_arp_of,
540 if (hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
541 src = (const ice_bitmap_t *)ice_ptypes_pppoe;
542 ice_and_bitmap(params->ptypes, params->ptypes, src,
546 if (hdrs & ICE_FLOW_SEG_HDR_IPV4) {
547 src = !i ? (const ice_bitmap_t *)ice_ptypes_ipv4_ofos :
548 (const ice_bitmap_t *)ice_ptypes_ipv4_il;
549 ice_and_bitmap(params->ptypes, params->ptypes, src,
551 } else if (hdrs & ICE_FLOW_SEG_HDR_IPV6) {
552 src = !i ? (const ice_bitmap_t *)ice_ptypes_ipv6_ofos :
553 (const ice_bitmap_t *)ice_ptypes_ipv6_il;
554 ice_and_bitmap(params->ptypes, params->ptypes, src,
558 if (hdrs & ICE_FLOW_SEG_HDR_ICMP) {
559 src = !i ? (const ice_bitmap_t *)ice_ptypes_icmp_of :
560 (const ice_bitmap_t *)ice_ptypes_icmp_il;
561 ice_and_bitmap(params->ptypes, params->ptypes, src,
563 } else if (hdrs & ICE_FLOW_SEG_HDR_UDP) {
564 src = (const ice_bitmap_t *)ice_ptypes_udp_il;
565 ice_and_bitmap(params->ptypes, params->ptypes, src,
567 } else if (hdrs & ICE_FLOW_SEG_HDR_TCP) {
568 ice_and_bitmap(params->ptypes, params->ptypes,
569 (const ice_bitmap_t *)ice_ptypes_tcp_il,
571 } else if (hdrs & ICE_FLOW_SEG_HDR_SCTP) {
572 src = (const ice_bitmap_t *)ice_ptypes_sctp_il;
573 ice_and_bitmap(params->ptypes, params->ptypes, src,
575 } else if (hdrs & ICE_FLOW_SEG_HDR_GRE) {
577 src = (const ice_bitmap_t *)ice_ptypes_gre_of;
578 ice_and_bitmap(params->ptypes, params->ptypes,
579 src, ICE_FLOW_PTYPE_MAX);
581 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPC) {
582 src = (const ice_bitmap_t *)ice_ptypes_gtpc;
583 ice_and_bitmap(params->ptypes, params->ptypes,
584 src, ICE_FLOW_PTYPE_MAX);
585 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPC_TEID) {
586 src = (const ice_bitmap_t *)ice_ptypes_gtpc_tid;
587 ice_and_bitmap(params->ptypes, params->ptypes,
588 src, ICE_FLOW_PTYPE_MAX);
589 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_EH) {
590 src = (const ice_bitmap_t *)ice_ptypes_gtpu;
591 ice_and_bitmap(params->ptypes, params->ptypes,
592 src, ICE_FLOW_PTYPE_MAX);
594 /* Attributes for GTP packet with Extension Header */
595 params->attr = ice_attr_gtpu_eh;
596 params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_eh);
597 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_IP) {
598 src = (const ice_bitmap_t *)ice_ptypes_gtpu;
599 ice_and_bitmap(params->ptypes, params->ptypes,
600 src, ICE_FLOW_PTYPE_MAX);
608 * ice_flow_xtract_pkt_flags - Create an extr sequence entry for packet flags
609 * @hw: pointer to the HW struct
610 * @params: information about the flow to be processed
611 * @flags: The value of pkt_flags[x:x] in Rx/Tx MDID metadata.
613 * This function will allocate an extraction sequence entries for a DWORD size
614 * chunk of the packet flags.
616 static enum ice_status
617 ice_flow_xtract_pkt_flags(struct ice_hw *hw,
618 struct ice_flow_prof_params *params,
619 enum ice_flex_mdid_pkt_flags flags)
621 u8 fv_words = hw->blk[params->blk].es.fvw;
624 /* Make sure the number of extraction sequence entries required does not
625 * exceed the block's capacity.
627 if (params->es_cnt >= fv_words)
628 return ICE_ERR_MAX_LIMIT;
630 /* some blocks require a reversed field vector layout */
631 if (hw->blk[params->blk].es.reverse)
632 idx = fv_words - params->es_cnt - 1;
634 idx = params->es_cnt;
636 params->es[idx].prot_id = ICE_PROT_META_ID;
637 params->es[idx].off = flags;
644 * ice_flow_xtract_fld - Create an extraction sequence entry for the given field
645 * @hw: pointer to the HW struct
646 * @params: information about the flow to be processed
647 * @seg: packet segment index of the field to be extracted
648 * @fld: ID of field to be extracted
649 * @match: bitfield of all fields
651 * This function determines the protocol ID, offset, and size of the given
652 * field. It then allocates one or more extraction sequence entries for the
653 * given field, and fill the entries with protocol ID and offset information.
655 static enum ice_status
656 ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
657 u8 seg, enum ice_flow_field fld, u64 match)
659 enum ice_flow_field sib = ICE_FLOW_FIELD_IDX_MAX;
660 enum ice_prot_id prot_id = ICE_PROT_ID_INVAL;
661 u8 fv_words = hw->blk[params->blk].es.fvw;
662 struct ice_flow_fld_info *flds;
663 u16 cnt, ese_bits, i;
669 flds = params->prof->segs[seg].fields;
672 case ICE_FLOW_FIELD_IDX_ETH_DA:
673 case ICE_FLOW_FIELD_IDX_ETH_SA:
674 case ICE_FLOW_FIELD_IDX_S_VLAN:
675 case ICE_FLOW_FIELD_IDX_C_VLAN:
676 prot_id = seg == 0 ? ICE_PROT_MAC_OF_OR_S : ICE_PROT_MAC_IL;
678 case ICE_FLOW_FIELD_IDX_ETH_TYPE:
679 prot_id = seg == 0 ? ICE_PROT_ETYPE_OL : ICE_PROT_ETYPE_IL;
681 case ICE_FLOW_FIELD_IDX_IPV4_DSCP:
682 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
684 case ICE_FLOW_FIELD_IDX_IPV6_DSCP:
685 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
687 case ICE_FLOW_FIELD_IDX_IPV4_TTL:
688 case ICE_FLOW_FIELD_IDX_IPV4_PROT:
689 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
691 /* TTL and PROT share the same extraction seq. entry.
692 * Each is considered a sibling to the other in terms of sharing
693 * the same extraction sequence entry.
695 if (fld == ICE_FLOW_FIELD_IDX_IPV4_TTL)
696 sib = ICE_FLOW_FIELD_IDX_IPV4_PROT;
697 else if (fld == ICE_FLOW_FIELD_IDX_IPV4_PROT)
698 sib = ICE_FLOW_FIELD_IDX_IPV4_TTL;
700 /* If the sibling field is also included, that field's
701 * mask needs to be included.
703 if (match & BIT(sib))
704 sib_mask = ice_flds_info[sib].mask;
706 case ICE_FLOW_FIELD_IDX_IPV6_TTL:
707 case ICE_FLOW_FIELD_IDX_IPV6_PROT:
708 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
710 /* TTL and PROT share the same extraction seq. entry.
711 * Each is considered a sibling to the other in terms of sharing
712 * the same extraction sequence entry.
714 if (fld == ICE_FLOW_FIELD_IDX_IPV6_TTL)
715 sib = ICE_FLOW_FIELD_IDX_IPV6_PROT;
716 else if (fld == ICE_FLOW_FIELD_IDX_IPV6_PROT)
717 sib = ICE_FLOW_FIELD_IDX_IPV6_TTL;
719 /* If the sibling field is also included, that field's
720 * mask needs to be included.
722 if (match & BIT(sib))
723 sib_mask = ice_flds_info[sib].mask;
725 case ICE_FLOW_FIELD_IDX_IPV4_SA:
726 case ICE_FLOW_FIELD_IDX_IPV4_DA:
727 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
729 case ICE_FLOW_FIELD_IDX_IPV6_SA:
730 case ICE_FLOW_FIELD_IDX_IPV6_DA:
731 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
733 case ICE_FLOW_FIELD_IDX_TCP_SRC_PORT:
734 case ICE_FLOW_FIELD_IDX_TCP_DST_PORT:
735 case ICE_FLOW_FIELD_IDX_TCP_FLAGS:
736 prot_id = ICE_PROT_TCP_IL;
738 case ICE_FLOW_FIELD_IDX_UDP_SRC_PORT:
739 case ICE_FLOW_FIELD_IDX_UDP_DST_PORT:
740 prot_id = ICE_PROT_UDP_IL_OR_S;
742 case ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT:
743 case ICE_FLOW_FIELD_IDX_SCTP_DST_PORT:
744 prot_id = ICE_PROT_SCTP_IL;
746 case ICE_FLOW_FIELD_IDX_GTPC_TEID:
747 case ICE_FLOW_FIELD_IDX_GTPU_IP_TEID:
748 case ICE_FLOW_FIELD_IDX_GTPU_UP_TEID:
749 case ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID:
750 case ICE_FLOW_FIELD_IDX_GTPU_EH_TEID:
751 case ICE_FLOW_FIELD_IDX_GTPU_EH_QFI:
752 /* GTP is accessed through UDP OF protocol */
753 prot_id = ICE_PROT_UDP_OF;
755 case ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID:
756 prot_id = ICE_PROT_PPPOE;
758 case ICE_FLOW_FIELD_IDX_ARP_SIP:
759 case ICE_FLOW_FIELD_IDX_ARP_DIP:
760 case ICE_FLOW_FIELD_IDX_ARP_SHA:
761 case ICE_FLOW_FIELD_IDX_ARP_DHA:
762 case ICE_FLOW_FIELD_IDX_ARP_OP:
763 prot_id = ICE_PROT_ARP_OF;
765 case ICE_FLOW_FIELD_IDX_ICMP_TYPE:
766 case ICE_FLOW_FIELD_IDX_ICMP_CODE:
767 /* ICMP type and code share the same extraction seq. entry */
768 prot_id = (params->prof->segs[seg].hdrs &
769 ICE_FLOW_SEG_HDR_IPV4) ?
770 ICE_PROT_ICMP_IL : ICE_PROT_ICMPV6_IL;
771 sib = fld == ICE_FLOW_FIELD_IDX_ICMP_TYPE ?
772 ICE_FLOW_FIELD_IDX_ICMP_CODE :
773 ICE_FLOW_FIELD_IDX_ICMP_TYPE;
775 case ICE_FLOW_FIELD_IDX_GRE_KEYID:
776 prot_id = ICE_PROT_GRE_OF;
779 return ICE_ERR_NOT_IMPL;
782 /* Each extraction sequence entry is a word in size, and extracts a
783 * word-aligned offset from a protocol header.
785 ese_bits = ICE_FLOW_FV_EXTRACT_SZ * BITS_PER_BYTE;
787 flds[fld].xtrct.prot_id = prot_id;
788 flds[fld].xtrct.off = (ice_flds_info[fld].off / ese_bits) *
789 ICE_FLOW_FV_EXTRACT_SZ;
790 flds[fld].xtrct.disp = (u8)((ice_flds_info[fld].off + adj) % ese_bits);
791 flds[fld].xtrct.idx = params->es_cnt;
792 flds[fld].xtrct.mask = ice_flds_info[fld].mask;
794 /* Adjust the next field-entry index after accommodating the number of
795 * entries this field consumes
797 cnt = DIVIDE_AND_ROUND_UP(flds[fld].xtrct.disp +
798 ice_flds_info[fld].size, ese_bits);
800 /* Fill in the extraction sequence entries needed for this field */
801 off = flds[fld].xtrct.off;
802 mask = flds[fld].xtrct.mask;
803 for (i = 0; i < cnt; i++) {
804 /* Only consume an extraction sequence entry if there is no
805 * sibling field associated with this field or the sibling entry
806 * already extracts the word shared with this field.
808 if (sib == ICE_FLOW_FIELD_IDX_MAX ||
809 flds[sib].xtrct.prot_id == ICE_PROT_ID_INVAL ||
810 flds[sib].xtrct.off != off) {
813 /* Make sure the number of extraction sequence required
814 * does not exceed the block's capability
816 if (params->es_cnt >= fv_words)
817 return ICE_ERR_MAX_LIMIT;
819 /* some blocks require a reversed field vector layout */
820 if (hw->blk[params->blk].es.reverse)
821 idx = fv_words - params->es_cnt - 1;
823 idx = params->es_cnt;
825 params->es[idx].prot_id = prot_id;
826 params->es[idx].off = off;
827 params->mask[idx] = mask | sib_mask;
831 off += ICE_FLOW_FV_EXTRACT_SZ;
838 * ice_flow_xtract_raws - Create extract sequence entries for raw bytes
839 * @hw: pointer to the HW struct
840 * @params: information about the flow to be processed
841 * @seg: index of packet segment whose raw fields are to be be extracted
843 static enum ice_status
844 ice_flow_xtract_raws(struct ice_hw *hw, struct ice_flow_prof_params *params,
851 if (!params->prof->segs[seg].raws_cnt)
854 if (params->prof->segs[seg].raws_cnt >
855 ARRAY_SIZE(params->prof->segs[seg].raws))
856 return ICE_ERR_MAX_LIMIT;
858 /* Offsets within the segment headers are not supported */
859 hdrs_sz = ice_flow_calc_seg_sz(params, seg);
861 return ICE_ERR_PARAM;
863 fv_words = hw->blk[params->blk].es.fvw;
865 for (i = 0; i < params->prof->segs[seg].raws_cnt; i++) {
866 struct ice_flow_seg_fld_raw *raw;
869 raw = ¶ms->prof->segs[seg].raws[i];
871 /* Storing extraction information */
872 raw->info.xtrct.prot_id = ICE_PROT_MAC_OF_OR_S;
873 raw->info.xtrct.off = (raw->off / ICE_FLOW_FV_EXTRACT_SZ) *
874 ICE_FLOW_FV_EXTRACT_SZ;
875 raw->info.xtrct.disp = (raw->off % ICE_FLOW_FV_EXTRACT_SZ) *
877 raw->info.xtrct.idx = params->es_cnt;
879 /* Determine the number of field vector entries this raw field
882 cnt = DIVIDE_AND_ROUND_UP(raw->info.xtrct.disp +
883 (raw->info.src.last * BITS_PER_BYTE),
884 (ICE_FLOW_FV_EXTRACT_SZ *
886 off = raw->info.xtrct.off;
887 for (j = 0; j < cnt; j++) {
890 /* Make sure the number of extraction sequence required
891 * does not exceed the block's capability
893 if (params->es_cnt >= hw->blk[params->blk].es.count ||
894 params->es_cnt >= ICE_MAX_FV_WORDS)
895 return ICE_ERR_MAX_LIMIT;
897 /* some blocks require a reversed field vector layout */
898 if (hw->blk[params->blk].es.reverse)
899 idx = fv_words - params->es_cnt - 1;
901 idx = params->es_cnt;
903 params->es[idx].prot_id = raw->info.xtrct.prot_id;
904 params->es[idx].off = off;
906 off += ICE_FLOW_FV_EXTRACT_SZ;
914 * ice_flow_create_xtrct_seq - Create an extraction sequence for given segments
915 * @hw: pointer to the HW struct
916 * @params: information about the flow to be processed
918 * This function iterates through all matched fields in the given segments, and
919 * creates an extraction sequence for the fields.
921 static enum ice_status
922 ice_flow_create_xtrct_seq(struct ice_hw *hw,
923 struct ice_flow_prof_params *params)
925 enum ice_status status = ICE_SUCCESS;
928 /* For ACL, we also need to extract the direction bit (Rx,Tx) data from
931 if (params->blk == ICE_BLK_ACL) {
932 status = ice_flow_xtract_pkt_flags(hw, params,
933 ICE_RX_MDID_PKT_FLAGS_15_0);
938 for (i = 0; i < params->prof->segs_cnt; i++) {
939 u64 match = params->prof->segs[i].match;
942 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
943 const u64 bit = BIT_ULL(j);
946 status = ice_flow_xtract_fld
947 (hw, params, i, (enum ice_flow_field)j,
955 /* Process raw matching bytes */
956 status = ice_flow_xtract_raws(hw, params, i);
965 * ice_flow_proc_segs - process all packet segments associated with a profile
966 * @hw: pointer to the HW struct
967 * @params: information about the flow to be processed
969 static enum ice_status
970 ice_flow_proc_segs(struct ice_hw *hw, struct ice_flow_prof_params *params)
972 enum ice_status status;
974 status = ice_flow_proc_seg_hdrs(params);
978 status = ice_flow_create_xtrct_seq(hw, params);
982 switch (params->blk) {
984 /* Only header information is provided for RSS configuration.
985 * No further processing is needed.
987 status = ICE_SUCCESS;
990 status = ICE_SUCCESS;
994 return ICE_ERR_NOT_IMPL;
1000 #define ICE_FLOW_FIND_PROF_CHK_FLDS 0x00000001
1001 #define ICE_FLOW_FIND_PROF_CHK_VSI 0x00000002
1002 #define ICE_FLOW_FIND_PROF_NOT_CHK_DIR 0x00000004
1005 * ice_flow_find_prof_conds - Find a profile matching headers and conditions
1006 * @hw: pointer to the HW struct
1007 * @blk: classification stage
1008 * @dir: flow direction
1009 * @segs: array of one or more packet segments that describe the flow
1010 * @segs_cnt: number of packet segments provided
1011 * @vsi_handle: software VSI handle to check VSI (ICE_FLOW_FIND_PROF_CHK_VSI)
1012 * @conds: additional conditions to be checked (ICE_FLOW_FIND_PROF_CHK_*)
1014 static struct ice_flow_prof *
1015 ice_flow_find_prof_conds(struct ice_hw *hw, enum ice_block blk,
1016 enum ice_flow_dir dir, struct ice_flow_seg_info *segs,
1017 u8 segs_cnt, u16 vsi_handle, u32 conds)
1019 struct ice_flow_prof *p, *prof = NULL;
1021 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1022 LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry) {
1023 if ((p->dir == dir || conds & ICE_FLOW_FIND_PROF_NOT_CHK_DIR) &&
1024 segs_cnt && segs_cnt == p->segs_cnt) {
1027 /* Check for profile-VSI association if specified */
1028 if ((conds & ICE_FLOW_FIND_PROF_CHK_VSI) &&
1029 ice_is_vsi_valid(hw, vsi_handle) &&
1030 !ice_is_bit_set(p->vsis, vsi_handle))
1033 /* Protocol headers must be checked. Matched fields are
1034 * checked if specified.
1036 for (i = 0; i < segs_cnt; i++)
1037 if (segs[i].hdrs != p->segs[i].hdrs ||
1038 ((conds & ICE_FLOW_FIND_PROF_CHK_FLDS) &&
1039 segs[i].match != p->segs[i].match))
1042 /* A match is found if all segments are matched */
1043 if (i == segs_cnt) {
1049 ice_release_lock(&hw->fl_profs_locks[blk]);
1055 * ice_flow_find_prof - Look up a profile matching headers and matched fields
1056 * @hw: pointer to the HW struct
1057 * @blk: classification stage
1058 * @dir: flow direction
1059 * @segs: array of one or more packet segments that describe the flow
1060 * @segs_cnt: number of packet segments provided
1063 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
1064 struct ice_flow_seg_info *segs, u8 segs_cnt)
1066 struct ice_flow_prof *p;
1068 p = ice_flow_find_prof_conds(hw, blk, dir, segs, segs_cnt,
1069 ICE_MAX_VSI, ICE_FLOW_FIND_PROF_CHK_FLDS);
1071 return p ? p->id : ICE_FLOW_PROF_ID_INVAL;
1075 * ice_flow_find_prof_id - Look up a profile with given profile ID
1076 * @hw: pointer to the HW struct
1077 * @blk: classification stage
1078 * @prof_id: unique ID to identify this flow profile
1080 static struct ice_flow_prof *
1081 ice_flow_find_prof_id(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
1083 struct ice_flow_prof *p;
1085 LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry) {
1086 if (p->id == prof_id)
1094 * ice_dealloc_flow_entry - Deallocate flow entry memory
1095 * @hw: pointer to the HW struct
1096 * @entry: flow entry to be removed
1099 ice_dealloc_flow_entry(struct ice_hw *hw, struct ice_flow_entry *entry)
1105 ice_free(hw, entry->entry);
1108 ice_free(hw, entry->acts);
1110 entry->acts_cnt = 0;
1113 ice_free(hw, entry);
1117 * ice_flow_rem_entry_sync - Remove a flow entry
1118 * @hw: pointer to the HW struct
1119 * @entry: flow entry to be removed
1121 static enum ice_status
1122 ice_flow_rem_entry_sync(struct ice_hw *hw, struct ice_flow_entry *entry)
1125 return ICE_ERR_BAD_PTR;
1127 LIST_DEL(&entry->l_entry);
1129 ice_dealloc_flow_entry(hw, entry);
1135 * ice_flow_add_prof_sync - Add a flow profile for packet segments and fields
1136 * @hw: pointer to the HW struct
1137 * @blk: classification stage
1138 * @dir: flow direction
1139 * @prof_id: unique ID to identify this flow profile
1140 * @segs: array of one or more packet segments that describe the flow
1141 * @segs_cnt: number of packet segments provided
1142 * @acts: array of default actions
1143 * @acts_cnt: number of default actions
1144 * @prof: stores the returned flow profile added
1146 * Assumption: the caller has acquired the lock to the profile list
1148 static enum ice_status
1149 ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk,
1150 enum ice_flow_dir dir, u64 prof_id,
1151 struct ice_flow_seg_info *segs, u8 segs_cnt,
1152 struct ice_flow_action *acts, u8 acts_cnt,
1153 struct ice_flow_prof **prof)
1155 struct ice_flow_prof_params params;
1156 enum ice_status status = ICE_SUCCESS;
1159 if (!prof || (acts_cnt && !acts))
1160 return ICE_ERR_BAD_PTR;
1162 ice_memset(¶ms, 0, sizeof(params), ICE_NONDMA_MEM);
1163 params.prof = (struct ice_flow_prof *)
1164 ice_malloc(hw, sizeof(*params.prof));
1166 return ICE_ERR_NO_MEMORY;
1168 /* initialize extraction sequence to all invalid (0xff) */
1169 for (i = 0; i < ICE_MAX_FV_WORDS; i++) {
1170 params.es[i].prot_id = ICE_PROT_INVALID;
1171 params.es[i].off = ICE_FV_OFFSET_INVAL;
1175 params.prof->id = prof_id;
1176 params.prof->dir = dir;
1177 params.prof->segs_cnt = segs_cnt;
1179 /* Make a copy of the segments that need to be persistent in the flow
1182 for (i = 0; i < segs_cnt; i++)
1183 ice_memcpy(¶ms.prof->segs[i], &segs[i], sizeof(*segs),
1184 ICE_NONDMA_TO_NONDMA);
1186 /* Make a copy of the actions that need to be persistent in the flow
1190 params.prof->acts = (struct ice_flow_action *)
1191 ice_memdup(hw, acts, acts_cnt * sizeof(*acts),
1192 ICE_NONDMA_TO_NONDMA);
1194 if (!params.prof->acts) {
1195 status = ICE_ERR_NO_MEMORY;
1200 status = ice_flow_proc_segs(hw, ¶ms);
1202 ice_debug(hw, ICE_DBG_FLOW,
1203 "Error processing a flow's packet segments\n");
1207 /* Add a HW profile for this flow profile */
1208 status = ice_add_prof(hw, blk, prof_id, (u8 *)params.ptypes,
1209 params.attr, params.attr_cnt, params.es,
1212 ice_debug(hw, ICE_DBG_FLOW, "Error adding a HW flow profile\n");
1216 INIT_LIST_HEAD(¶ms.prof->entries);
1217 ice_init_lock(¶ms.prof->entries_lock);
1218 *prof = params.prof;
1222 if (params.prof->acts)
1223 ice_free(hw, params.prof->acts);
1224 ice_free(hw, params.prof);
1231 * ice_flow_rem_prof_sync - remove a flow profile
1232 * @hw: pointer to the hardware structure
1233 * @blk: classification stage
1234 * @prof: pointer to flow profile to remove
1236 * Assumption: the caller has acquired the lock to the profile list
1238 static enum ice_status
1239 ice_flow_rem_prof_sync(struct ice_hw *hw, enum ice_block blk,
1240 struct ice_flow_prof *prof)
1242 enum ice_status status = ICE_SUCCESS;
1244 /* Remove all remaining flow entries before removing the flow profile */
1245 if (!LIST_EMPTY(&prof->entries)) {
1246 struct ice_flow_entry *e, *t;
1248 ice_acquire_lock(&prof->entries_lock);
1250 LIST_FOR_EACH_ENTRY_SAFE(e, t, &prof->entries, ice_flow_entry,
1252 status = ice_flow_rem_entry_sync(hw, e);
1257 ice_release_lock(&prof->entries_lock);
1260 /* Remove all hardware profiles associated with this flow profile */
1261 status = ice_rem_prof(hw, blk, prof->id);
1263 LIST_DEL(&prof->l_entry);
1264 ice_destroy_lock(&prof->entries_lock);
1266 ice_free(hw, prof->acts);
1274 * ice_flow_assoc_vsig_vsi - associate a VSI with VSIG
1275 * @hw: pointer to the hardware structure
1276 * @blk: classification stage
1277 * @vsi_handle: software VSI handle
1278 * @vsig: target VSI group
1280 * Assumption: the caller has already verified that the VSI to
1281 * be added has the same characteristics as the VSIG and will
1282 * thereby have access to all resources added to that VSIG.
1285 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
1288 enum ice_status status;
1290 if (!ice_is_vsi_valid(hw, vsi_handle) || blk >= ICE_BLK_COUNT)
1291 return ICE_ERR_PARAM;
1293 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1294 status = ice_add_vsi_flow(hw, blk, ice_get_hw_vsi_num(hw, vsi_handle),
1296 ice_release_lock(&hw->fl_profs_locks[blk]);
1302 * ice_flow_assoc_prof - associate a VSI with a flow profile
1303 * @hw: pointer to the hardware structure
1304 * @blk: classification stage
1305 * @prof: pointer to flow profile
1306 * @vsi_handle: software VSI handle
1308 * Assumption: the caller has acquired the lock to the profile list
1309 * and the software VSI handle has been validated
1311 static enum ice_status
1312 ice_flow_assoc_prof(struct ice_hw *hw, enum ice_block blk,
1313 struct ice_flow_prof *prof, u16 vsi_handle)
1315 enum ice_status status = ICE_SUCCESS;
1317 if (!ice_is_bit_set(prof->vsis, vsi_handle)) {
1318 status = ice_add_prof_id_flow(hw, blk,
1319 ice_get_hw_vsi_num(hw,
1323 ice_set_bit(vsi_handle, prof->vsis);
1325 ice_debug(hw, ICE_DBG_FLOW,
1326 "HW profile add failed, %d\n",
1334 * ice_flow_disassoc_prof - disassociate a VSI from a flow profile
1335 * @hw: pointer to the hardware structure
1336 * @blk: classification stage
1337 * @prof: pointer to flow profile
1338 * @vsi_handle: software VSI handle
1340 * Assumption: the caller has acquired the lock to the profile list
1341 * and the software VSI handle has been validated
1343 static enum ice_status
1344 ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk,
1345 struct ice_flow_prof *prof, u16 vsi_handle)
1347 enum ice_status status = ICE_SUCCESS;
1349 if (ice_is_bit_set(prof->vsis, vsi_handle)) {
1350 status = ice_rem_prof_id_flow(hw, blk,
1351 ice_get_hw_vsi_num(hw,
1355 ice_clear_bit(vsi_handle, prof->vsis);
1357 ice_debug(hw, ICE_DBG_FLOW,
1358 "HW profile remove failed, %d\n",
1366 * ice_flow_add_prof - Add a flow profile for packet segments and matched fields
1367 * @hw: pointer to the HW struct
1368 * @blk: classification stage
1369 * @dir: flow direction
1370 * @prof_id: unique ID to identify this flow profile
1371 * @segs: array of one or more packet segments that describe the flow
1372 * @segs_cnt: number of packet segments provided
1373 * @acts: array of default actions
1374 * @acts_cnt: number of default actions
1375 * @prof: stores the returned flow profile added
1378 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
1379 u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
1380 struct ice_flow_action *acts, u8 acts_cnt,
1381 struct ice_flow_prof **prof)
1383 enum ice_status status;
1385 if (segs_cnt > ICE_FLOW_SEG_MAX)
1386 return ICE_ERR_MAX_LIMIT;
1389 return ICE_ERR_PARAM;
1392 return ICE_ERR_BAD_PTR;
1394 status = ice_flow_val_hdrs(segs, segs_cnt);
1398 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1400 status = ice_flow_add_prof_sync(hw, blk, dir, prof_id, segs, segs_cnt,
1401 acts, acts_cnt, prof);
1403 LIST_ADD(&(*prof)->l_entry, &hw->fl_profs[blk]);
1405 ice_release_lock(&hw->fl_profs_locks[blk]);
1411 * ice_flow_rem_prof - Remove a flow profile and all entries associated with it
1412 * @hw: pointer to the HW struct
1413 * @blk: the block for which the flow profile is to be removed
1414 * @prof_id: unique ID of the flow profile to be removed
1417 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
1419 struct ice_flow_prof *prof;
1420 enum ice_status status;
1422 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1424 prof = ice_flow_find_prof_id(hw, blk, prof_id);
1426 status = ICE_ERR_DOES_NOT_EXIST;
1430 /* prof becomes invalid after the call */
1431 status = ice_flow_rem_prof_sync(hw, blk, prof);
1434 ice_release_lock(&hw->fl_profs_locks[blk]);
1440 * ice_flow_get_hw_prof - return the HW profile for a specific profile ID handle
1441 * @hw: pointer to the HW struct
1442 * @blk: classification stage
1443 * @prof_id: the profile ID handle
1444 * @hw_prof_id: pointer to variable to receive the HW profile ID
1447 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
1450 struct ice_prof_map *map;
1452 map = ice_search_prof_id(hw, blk, prof_id);
1454 *hw_prof_id = map->prof_id;
1458 return ICE_ERR_DOES_NOT_EXIST;
1462 * ice_flow_find_entry - look for a flow entry using its unique ID
1463 * @hw: pointer to the HW struct
1464 * @blk: classification stage
1465 * @entry_id: unique ID to identify this flow entry
1467 * This function looks for the flow entry with the specified unique ID in all
1468 * flow profiles of the specified classification stage. If the entry is found,
1469 * and it returns the handle to the flow entry. Otherwise, it returns
1470 * ICE_FLOW_ENTRY_ID_INVAL.
1472 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id)
1474 struct ice_flow_entry *found = NULL;
1475 struct ice_flow_prof *p;
1477 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1479 LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry) {
1480 struct ice_flow_entry *e;
1482 ice_acquire_lock(&p->entries_lock);
1483 LIST_FOR_EACH_ENTRY(e, &p->entries, ice_flow_entry, l_entry)
1484 if (e->id == entry_id) {
1488 ice_release_lock(&p->entries_lock);
1494 ice_release_lock(&hw->fl_profs_locks[blk]);
1496 return found ? ICE_FLOW_ENTRY_HNDL(found) : ICE_FLOW_ENTRY_HANDLE_INVAL;
1500 * ice_flow_add_entry - Add a flow entry
1501 * @hw: pointer to the HW struct
1502 * @blk: classification stage
1503 * @prof_id: ID of the profile to add a new flow entry to
1504 * @entry_id: unique ID to identify this flow entry
1505 * @vsi_handle: software VSI handle for the flow entry
1506 * @prio: priority of the flow entry
1507 * @data: pointer to a data buffer containing flow entry's match values/masks
1508 * @acts: arrays of actions to be performed on a match
1509 * @acts_cnt: number of actions
1510 * @entry_h: pointer to buffer that receives the new flow entry's handle
1513 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
1514 u64 entry_id, u16 vsi_handle, enum ice_flow_priority prio,
1515 void *data, struct ice_flow_action *acts, u8 acts_cnt,
1518 struct ice_flow_prof *prof = NULL;
1519 struct ice_flow_entry *e = NULL;
1520 enum ice_status status = ICE_SUCCESS;
1522 if (acts_cnt && !acts)
1523 return ICE_ERR_PARAM;
1525 /* No flow entry data is expected for RSS */
1526 if (!entry_h || (!data && blk != ICE_BLK_RSS))
1527 return ICE_ERR_BAD_PTR;
1529 if (!ice_is_vsi_valid(hw, vsi_handle))
1530 return ICE_ERR_PARAM;
1532 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1534 prof = ice_flow_find_prof_id(hw, blk, prof_id);
1536 status = ICE_ERR_DOES_NOT_EXIST;
1538 /* Allocate memory for the entry being added and associate
1539 * the VSI to the found flow profile
1541 e = (struct ice_flow_entry *)ice_malloc(hw, sizeof(*e));
1543 status = ICE_ERR_NO_MEMORY;
1545 status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
1548 ice_release_lock(&hw->fl_profs_locks[blk]);
1553 e->vsi_handle = vsi_handle;
1559 /* RSS will add only one entry per VSI per profile */
1566 status = ICE_ERR_NOT_IMPL;
1570 if (blk != ICE_BLK_ACL) {
1571 /* ACL will handle the entry management */
1572 ice_acquire_lock(&prof->entries_lock);
1573 LIST_ADD(&e->l_entry, &prof->entries);
1574 ice_release_lock(&prof->entries_lock);
1577 *entry_h = ICE_FLOW_ENTRY_HNDL(e);
1582 ice_free(hw, e->entry);
1590 * ice_flow_rem_entry - Remove a flow entry
1591 * @hw: pointer to the HW struct
1592 * @entry_h: handle to the flow entry to be removed
1594 enum ice_status ice_flow_rem_entry(struct ice_hw *hw, u64 entry_h)
1596 struct ice_flow_entry *entry;
1597 struct ice_flow_prof *prof;
1598 enum ice_status status;
1600 if (entry_h == ICE_FLOW_ENTRY_HANDLE_INVAL)
1601 return ICE_ERR_PARAM;
1603 entry = ICE_FLOW_ENTRY_PTR((unsigned long)entry_h);
1605 /* Retain the pointer to the flow profile as the entry will be freed */
1608 ice_acquire_lock(&prof->entries_lock);
1609 status = ice_flow_rem_entry_sync(hw, entry);
1610 ice_release_lock(&prof->entries_lock);
1616 * ice_flow_set_fld_ext - specifies locations of field from entry's input buffer
1617 * @seg: packet segment the field being set belongs to
1618 * @fld: field to be set
1619 * @type: type of the field
1620 * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
1621 * entry's input buffer
1622 * @mask_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of mask value from entry's
1624 * @last_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of last/upper value from
1625 * entry's input buffer
1627 * This helper function stores information of a field being matched, including
1628 * the type of the field and the locations of the value to match, the mask, and
1629 * and the upper-bound value in the start of the input buffer for a flow entry.
1630 * This function should only be used for fixed-size data structures.
1632 * This function also opportunistically determines the protocol headers to be
1633 * present based on the fields being set. Some fields cannot be used alone to
1634 * determine the protocol headers present. Sometimes, fields for particular
1635 * protocol headers are not matched. In those cases, the protocol headers
1636 * must be explicitly set.
1639 ice_flow_set_fld_ext(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
1640 enum ice_flow_fld_match_type type, u16 val_loc,
1641 u16 mask_loc, u16 last_loc)
1643 u64 bit = BIT_ULL(fld);
1646 if (type == ICE_FLOW_FLD_TYPE_RANGE)
1649 seg->fields[fld].type = type;
1650 seg->fields[fld].src.val = val_loc;
1651 seg->fields[fld].src.mask = mask_loc;
1652 seg->fields[fld].src.last = last_loc;
1654 ICE_FLOW_SET_HDRS(seg, ice_flds_info[fld].hdr);
1658 * ice_flow_set_fld - specifies locations of field from entry's input buffer
1659 * @seg: packet segment the field being set belongs to
1660 * @fld: field to be set
1661 * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
1662 * entry's input buffer
1663 * @mask_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of mask value from entry's
1665 * @last_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of last/upper value from
1666 * entry's input buffer
1667 * @range: indicate if field being matched is to be in a range
1669 * This function specifies the locations, in the form of byte offsets from the
1670 * start of the input buffer for a flow entry, from where the value to match,
1671 * the mask value, and upper value can be extracted. These locations are then
1672 * stored in the flow profile. When adding a flow entry associated with the
1673 * flow profile, these locations will be used to quickly extract the values and
1674 * create the content of a match entry. This function should only be used for
1675 * fixed-size data structures.
1678 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
1679 u16 val_loc, u16 mask_loc, u16 last_loc, bool range)
1681 enum ice_flow_fld_match_type t = range ?
1682 ICE_FLOW_FLD_TYPE_RANGE : ICE_FLOW_FLD_TYPE_REG;
1684 ice_flow_set_fld_ext(seg, fld, t, val_loc, mask_loc, last_loc);
1688 * ice_flow_set_fld_prefix - sets locations of prefix field from entry's buf
1689 * @seg: packet segment the field being set belongs to
1690 * @fld: field to be set
1691 * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
1692 * entry's input buffer
1693 * @pref_loc: location of prefix value from entry's input buffer
1694 * @pref_sz: size of the location holding the prefix value
1696 * This function specifies the locations, in the form of byte offsets from the
1697 * start of the input buffer for a flow entry, from where the value to match
1698 * and the IPv4 prefix value can be extracted. These locations are then stored
1699 * in the flow profile. When adding flow entries to the associated flow profile,
1700 * these locations can be used to quickly extract the values to create the
1701 * content of a match entry. This function should only be used for fixed-size
1705 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
1706 u16 val_loc, u16 pref_loc, u8 pref_sz)
1708 /* For this type of field, the "mask" location is for the prefix value's
1709 * location and the "last" location is for the size of the location of
1712 ice_flow_set_fld_ext(seg, fld, ICE_FLOW_FLD_TYPE_PREFIX, val_loc,
1713 pref_loc, (u16)pref_sz);
1717 * ice_flow_add_fld_raw - sets locations of a raw field from entry's input buf
1718 * @seg: packet segment the field being set belongs to
1719 * @off: offset of the raw field from the beginning of the segment in bytes
1720 * @len: length of the raw pattern to be matched
1721 * @val_loc: location of the value to match from entry's input buffer
1722 * @mask_loc: location of mask value from entry's input buffer
1724 * This function specifies the offset of the raw field to be match from the
1725 * beginning of the specified packet segment, and the locations, in the form of
1726 * byte offsets from the start of the input buffer for a flow entry, from where
1727 * the value to match and the mask value to be extracted. These locations are
1728 * then stored in the flow profile. When adding flow entries to the associated
1729 * flow profile, these locations can be used to quickly extract the values to
1730 * create the content of a match entry. This function should only be used for
1731 * fixed-size data structures.
1734 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
1735 u16 val_loc, u16 mask_loc)
1737 if (seg->raws_cnt < ICE_FLOW_SEG_RAW_FLD_MAX) {
1738 seg->raws[seg->raws_cnt].off = off;
1739 seg->raws[seg->raws_cnt].info.type = ICE_FLOW_FLD_TYPE_SIZE;
1740 seg->raws[seg->raws_cnt].info.src.val = val_loc;
1741 seg->raws[seg->raws_cnt].info.src.mask = mask_loc;
1742 /* The "last" field is used to store the length of the field */
1743 seg->raws[seg->raws_cnt].info.src.last = len;
1746 /* Overflows of "raws" will be handled as an error condition later in
1747 * the flow when this information is processed.
1752 #define ICE_FLOW_RSS_SEG_HDR_L2_MASKS \
1753 (ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
1755 #define ICE_FLOW_RSS_SEG_HDR_L3_MASKS \
1756 (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6)
1758 #define ICE_FLOW_RSS_SEG_HDR_L4_MASKS \
1759 (ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | \
1760 ICE_FLOW_SEG_HDR_SCTP)
1762 #define ICE_FLOW_RSS_SEG_HDR_VAL_MASKS \
1763 (ICE_FLOW_RSS_SEG_HDR_L2_MASKS | \
1764 ICE_FLOW_RSS_SEG_HDR_L3_MASKS | \
1765 ICE_FLOW_RSS_SEG_HDR_L4_MASKS)
1768 * ice_flow_set_rss_seg_info - setup packet segments for RSS
1769 * @segs: pointer to the flow field segment(s)
1770 * @hash_fields: fields to be hashed on for the segment(s)
1771 * @flow_hdr: protocol header fields within a packet segment
1773 * Helper function to extract fields from hash bitmap and use flow
1774 * header value to set flow field segment for further use in flow
1775 * profile entry or removal.
1777 static enum ice_status
1778 ice_flow_set_rss_seg_info(struct ice_flow_seg_info *segs, u64 hash_fields,
1781 u64 val = hash_fields;
1784 for (i = 0; val && i < ICE_FLOW_FIELD_IDX_MAX; i++) {
1785 u64 bit = BIT_ULL(i);
1788 ice_flow_set_fld(segs, (enum ice_flow_field)i,
1789 ICE_FLOW_FLD_OFF_INVAL,
1790 ICE_FLOW_FLD_OFF_INVAL,
1791 ICE_FLOW_FLD_OFF_INVAL, false);
1795 ICE_FLOW_SET_HDRS(segs, flow_hdr);
1797 if (segs->hdrs & ~ICE_FLOW_RSS_SEG_HDR_VAL_MASKS &
1798 ~ICE_FLOW_RSS_HDRS_INNER_MASK)
1799 return ICE_ERR_PARAM;
1801 val = (u64)(segs->hdrs & ICE_FLOW_RSS_SEG_HDR_L3_MASKS);
1802 if (val && !ice_is_pow2(val))
1805 val = (u64)(segs->hdrs & ICE_FLOW_RSS_SEG_HDR_L4_MASKS);
1806 if (val && !ice_is_pow2(val))
1813 * ice_rem_vsi_rss_list - remove VSI from RSS list
1814 * @hw: pointer to the hardware structure
1815 * @vsi_handle: software VSI handle
1817 * Remove the VSI from all RSS configurations in the list.
1819 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle)
1821 struct ice_rss_cfg *r, *tmp;
1823 if (LIST_EMPTY(&hw->rss_list_head))
1826 ice_acquire_lock(&hw->rss_locks);
1827 LIST_FOR_EACH_ENTRY_SAFE(r, tmp, &hw->rss_list_head,
1828 ice_rss_cfg, l_entry) {
1829 if (ice_is_bit_set(r->vsis, vsi_handle)) {
1830 ice_clear_bit(vsi_handle, r->vsis);
1832 if (!ice_is_any_bit_set(r->vsis, ICE_MAX_VSI)) {
1833 LIST_DEL(&r->l_entry);
1838 ice_release_lock(&hw->rss_locks);
1842 * ice_rem_vsi_rss_cfg - remove RSS configurations associated with VSI
1843 * @hw: pointer to the hardware structure
1844 * @vsi_handle: software VSI handle
1846 * This function will iterate through all flow profiles and disassociate
1847 * the VSI from that profile. If the flow profile has no VSIs it will
1850 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
1852 const enum ice_block blk = ICE_BLK_RSS;
1853 struct ice_flow_prof *p, *t;
1854 enum ice_status status = ICE_SUCCESS;
1856 if (!ice_is_vsi_valid(hw, vsi_handle))
1857 return ICE_ERR_PARAM;
1859 if (LIST_EMPTY(&hw->fl_profs[blk]))
1862 ice_acquire_lock(&hw->fl_profs_locks[blk]);
1863 LIST_FOR_EACH_ENTRY_SAFE(p, t, &hw->fl_profs[blk], ice_flow_prof,
1865 if (ice_is_bit_set(p->vsis, vsi_handle)) {
1866 status = ice_flow_disassoc_prof(hw, blk, p, vsi_handle);
1870 if (!ice_is_any_bit_set(p->vsis, ICE_MAX_VSI)) {
1871 status = ice_flow_rem_prof_sync(hw, blk, p);
1877 ice_release_lock(&hw->fl_profs_locks[blk]);
1883 * ice_rem_rss_list - remove RSS configuration from list
1884 * @hw: pointer to the hardware structure
1885 * @vsi_handle: software VSI handle
1886 * @prof: pointer to flow profile
1888 * Assumption: lock has already been acquired for RSS list
1891 ice_rem_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
1893 struct ice_rss_cfg *r, *tmp;
1895 /* Search for RSS hash fields associated to the VSI that match the
1896 * hash configurations associated to the flow profile. If found
1897 * remove from the RSS entry list of the VSI context and delete entry.
1899 LIST_FOR_EACH_ENTRY_SAFE(r, tmp, &hw->rss_list_head,
1900 ice_rss_cfg, l_entry) {
1901 if (r->hashed_flds == prof->segs[prof->segs_cnt - 1].match &&
1902 r->packet_hdr == prof->segs[prof->segs_cnt - 1].hdrs) {
1903 ice_clear_bit(vsi_handle, r->vsis);
1904 if (!ice_is_any_bit_set(r->vsis, ICE_MAX_VSI)) {
1905 LIST_DEL(&r->l_entry);
1914 * ice_add_rss_list - add RSS configuration to list
1915 * @hw: pointer to the hardware structure
1916 * @vsi_handle: software VSI handle
1917 * @prof: pointer to flow profile
1919 * Assumption: lock has already been acquired for RSS list
1921 static enum ice_status
1922 ice_add_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
1924 struct ice_rss_cfg *r, *rss_cfg;
1926 LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
1927 ice_rss_cfg, l_entry)
1928 if (r->hashed_flds == prof->segs[prof->segs_cnt - 1].match &&
1929 r->packet_hdr == prof->segs[prof->segs_cnt - 1].hdrs) {
1930 ice_set_bit(vsi_handle, r->vsis);
1934 rss_cfg = (struct ice_rss_cfg *)ice_malloc(hw, sizeof(*rss_cfg));
1936 return ICE_ERR_NO_MEMORY;
1938 rss_cfg->hashed_flds = prof->segs[prof->segs_cnt - 1].match;
1939 rss_cfg->packet_hdr = prof->segs[prof->segs_cnt - 1].hdrs;
1940 rss_cfg->symm = prof->cfg.symm;
1941 ice_set_bit(vsi_handle, rss_cfg->vsis);
1943 LIST_ADD_TAIL(&rss_cfg->l_entry, &hw->rss_list_head);
1948 #define ICE_FLOW_PROF_HASH_S 0
1949 #define ICE_FLOW_PROF_HASH_M (0xFFFFFFFFULL << ICE_FLOW_PROF_HASH_S)
1950 #define ICE_FLOW_PROF_HDR_S 32
1951 #define ICE_FLOW_PROF_HDR_M (0x3FFFFFFFULL << ICE_FLOW_PROF_HDR_S)
1952 #define ICE_FLOW_PROF_ENCAP_S 63
1953 #define ICE_FLOW_PROF_ENCAP_M (BIT_ULL(ICE_FLOW_PROF_ENCAP_S))
1955 #define ICE_RSS_OUTER_HEADERS 1
1956 #define ICE_RSS_INNER_HEADERS 2
1958 /* Flow profile ID format:
1959 * [0:31] - Packet match fields
1960 * [32:62] - Protocol header
1961 * [63] - Encapsulation flag, 0 if non-tunneled, 1 if tunneled
1963 #define ICE_FLOW_GEN_PROFID(hash, hdr, segs_cnt) \
1964 (u64)(((u64)(hash) & ICE_FLOW_PROF_HASH_M) | \
1965 (((u64)(hdr) << ICE_FLOW_PROF_HDR_S) & ICE_FLOW_PROF_HDR_M) | \
1966 ((u8)((segs_cnt) - 1) ? ICE_FLOW_PROF_ENCAP_M : 0))
1969 ice_rss_config_xor_word(struct ice_hw *hw, u8 prof_id, u8 src, u8 dst)
1971 u32 s = ((src % 4) << 3); /* byte shift */
1972 u32 v = dst | 0x80; /* value to program */
1973 u8 i = src / 4; /* register index */
1976 reg = rd32(hw, GLQF_HSYMM(prof_id, i));
1977 reg = (reg & ~(0xff << s)) | (v << s);
1978 wr32(hw, GLQF_HSYMM(prof_id, i), reg);
1982 ice_rss_config_xor(struct ice_hw *hw, u8 prof_id, u8 src, u8 dst, u8 len)
1985 ICE_FLOW_SW_FIELD_VECTOR_MAX / ICE_FLOW_FV_EXTRACT_SZ - 1;
1988 for (i = 0; i < len; i++) {
1989 ice_rss_config_xor_word(hw, prof_id,
1990 /* Yes, field vector in GLQF_HSYMM and
1991 * GLQF_HINSET is inversed!
1993 fv_last_word - (src + i),
1994 fv_last_word - (dst + i));
1995 ice_rss_config_xor_word(hw, prof_id,
1996 fv_last_word - (dst + i),
1997 fv_last_word - (src + i));
2002 ice_rss_update_symm(struct ice_hw *hw,
2003 struct ice_flow_prof *prof)
2005 struct ice_prof_map *map;
2008 map = ice_search_prof_id(hw, ICE_BLK_RSS, prof->id);
2009 prof_id = map->prof_id;
2011 /* clear to default */
2012 for (m = 0; m < 6; m++)
2013 wr32(hw, GLQF_HSYMM(prof_id, m), 0);
2014 if (prof->cfg.symm) {
2015 struct ice_flow_seg_info *seg =
2016 &prof->segs[prof->segs_cnt - 1];
2018 struct ice_flow_seg_xtrct *ipv4_src =
2019 &seg->fields[ICE_FLOW_FIELD_IDX_IPV4_SA].xtrct;
2020 struct ice_flow_seg_xtrct *ipv4_dst =
2021 &seg->fields[ICE_FLOW_FIELD_IDX_IPV4_DA].xtrct;
2022 struct ice_flow_seg_xtrct *ipv6_src =
2023 &seg->fields[ICE_FLOW_FIELD_IDX_IPV6_SA].xtrct;
2024 struct ice_flow_seg_xtrct *ipv6_dst =
2025 &seg->fields[ICE_FLOW_FIELD_IDX_IPV6_DA].xtrct;
2027 struct ice_flow_seg_xtrct *tcp_src =
2028 &seg->fields[ICE_FLOW_FIELD_IDX_TCP_SRC_PORT].xtrct;
2029 struct ice_flow_seg_xtrct *tcp_dst =
2030 &seg->fields[ICE_FLOW_FIELD_IDX_TCP_DST_PORT].xtrct;
2032 struct ice_flow_seg_xtrct *udp_src =
2033 &seg->fields[ICE_FLOW_FIELD_IDX_UDP_SRC_PORT].xtrct;
2034 struct ice_flow_seg_xtrct *udp_dst =
2035 &seg->fields[ICE_FLOW_FIELD_IDX_UDP_DST_PORT].xtrct;
2037 struct ice_flow_seg_xtrct *sctp_src =
2038 &seg->fields[ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT].xtrct;
2039 struct ice_flow_seg_xtrct *sctp_dst =
2040 &seg->fields[ICE_FLOW_FIELD_IDX_SCTP_DST_PORT].xtrct;
2043 if (ipv4_src->prot_id != 0 && ipv4_dst->prot_id != 0)
2044 ice_rss_config_xor(hw, prof_id,
2045 ipv4_src->idx, ipv4_dst->idx, 2);
2048 if (ipv6_src->prot_id != 0 && ipv6_dst->prot_id != 0)
2049 ice_rss_config_xor(hw, prof_id,
2050 ipv6_src->idx, ipv6_dst->idx, 8);
2053 if (tcp_src->prot_id != 0 && tcp_dst->prot_id != 0)
2054 ice_rss_config_xor(hw, prof_id,
2055 tcp_src->idx, tcp_dst->idx, 1);
2058 if (udp_src->prot_id != 0 && udp_dst->prot_id != 0)
2059 ice_rss_config_xor(hw, prof_id,
2060 udp_src->idx, udp_dst->idx, 1);
2063 if (sctp_src->prot_id != 0 && sctp_dst->prot_id != 0)
2064 ice_rss_config_xor(hw, prof_id,
2065 sctp_src->idx, sctp_dst->idx, 1);
2070 * ice_add_rss_cfg_sync - add an RSS configuration
2071 * @hw: pointer to the hardware structure
2072 * @vsi_handle: software VSI handle
2073 * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
2074 * @addl_hdrs: protocol header fields
2075 * @segs_cnt: packet segment count
2076 * @symm: symmetric hash enable/disable
2078 * Assumption: lock has already been acquired for RSS list
2080 static enum ice_status
2081 ice_add_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
2082 u32 addl_hdrs, u8 segs_cnt, bool symm)
2084 const enum ice_block blk = ICE_BLK_RSS;
2085 struct ice_flow_prof *prof = NULL;
2086 struct ice_flow_seg_info *segs;
2087 enum ice_status status = ICE_SUCCESS;
2089 if (!segs_cnt || segs_cnt > ICE_FLOW_SEG_MAX)
2090 return ICE_ERR_PARAM;
2092 segs = (struct ice_flow_seg_info *)ice_calloc(hw, segs_cnt,
2095 return ICE_ERR_NO_MEMORY;
2097 /* Construct the packet segment info from the hashed fields */
2098 status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
2103 /* Search for a flow profile that has matching headers, hash fields
2104 * and has the input VSI associated to it. If found, no further
2105 * operations required and exit.
2107 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
2109 ICE_FLOW_FIND_PROF_CHK_FLDS |
2110 ICE_FLOW_FIND_PROF_CHK_VSI);
2112 if (prof->cfg.symm == symm)
2114 prof->cfg.symm = symm;
2118 /* Check if a flow profile exists with the same protocol headers and
2119 * associated with the input VSI. If so disasscociate the VSI from
2120 * this profile. The VSI will be added to a new profile created with
2121 * the protocol header and new hash field configuration.
2123 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
2124 vsi_handle, ICE_FLOW_FIND_PROF_CHK_VSI);
2126 status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
2128 ice_rem_rss_list(hw, vsi_handle, prof);
2132 /* Remove profile if it has no VSIs associated */
2133 if (!ice_is_any_bit_set(prof->vsis, ICE_MAX_VSI)) {
2134 status = ice_flow_rem_prof(hw, blk, prof->id);
2140 /* Search for a profile that has same match fields only. If this
2141 * exists then associate the VSI to this profile.
2143 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
2145 ICE_FLOW_FIND_PROF_CHK_FLDS);
2147 if (prof->cfg.symm == symm) {
2148 status = ice_flow_assoc_prof(hw, blk, prof,
2151 status = ice_add_rss_list(hw, vsi_handle,
2154 /* if a profile exist but with different symmetric
2155 * requirement, just return error.
2157 status = ICE_ERR_NOT_SUPPORTED;
2162 /* Create a new flow profile with generated profile and packet
2163 * segment information.
2165 status = ice_flow_add_prof(hw, blk, ICE_FLOW_RX,
2166 ICE_FLOW_GEN_PROFID(hashed_flds,
2167 segs[segs_cnt - 1].hdrs,
2169 segs, segs_cnt, NULL, 0, &prof);
2173 status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
2174 /* If association to a new flow profile failed then this profile can
2178 ice_flow_rem_prof(hw, blk, prof->id);
2182 status = ice_add_rss_list(hw, vsi_handle, prof);
2184 prof->cfg.symm = symm;
2187 ice_rss_update_symm(hw, prof);
2195 * ice_add_rss_cfg - add an RSS configuration with specified hashed fields
2196 * @hw: pointer to the hardware structure
2197 * @vsi_handle: software VSI handle
2198 * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
2199 * @addl_hdrs: protocol header fields
2200 * @symm: symmetric hash enable/disable
2202 * This function will generate a flow profile based on fields associated with
2203 * the input fields to hash on, the flow type and use the VSI number to add
2204 * a flow entry to the profile.
2207 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
2208 u32 addl_hdrs, bool symm)
2210 enum ice_status status;
2212 if (hashed_flds == ICE_HASH_INVALID ||
2213 !ice_is_vsi_valid(hw, vsi_handle))
2214 return ICE_ERR_PARAM;
2216 ice_acquire_lock(&hw->rss_locks);
2217 status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
2218 ICE_RSS_OUTER_HEADERS, symm);
2220 status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds,
2221 addl_hdrs, ICE_RSS_INNER_HEADERS,
2223 ice_release_lock(&hw->rss_locks);
2229 * ice_rem_rss_cfg_sync - remove an existing RSS configuration
2230 * @hw: pointer to the hardware structure
2231 * @vsi_handle: software VSI handle
2232 * @hashed_flds: Packet hash types (ICE_FLOW_HASH_*) to remove
2233 * @addl_hdrs: Protocol header fields within a packet segment
2234 * @segs_cnt: packet segment count
2236 * Assumption: lock has already been acquired for RSS list
2238 static enum ice_status
2239 ice_rem_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
2240 u32 addl_hdrs, u8 segs_cnt)
2242 const enum ice_block blk = ICE_BLK_RSS;
2243 struct ice_flow_seg_info *segs;
2244 struct ice_flow_prof *prof;
2245 enum ice_status status;
2247 segs = (struct ice_flow_seg_info *)ice_calloc(hw, segs_cnt,
2250 return ICE_ERR_NO_MEMORY;
2252 /* Construct the packet segment info from the hashed fields */
2253 status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
2258 prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
2260 ICE_FLOW_FIND_PROF_CHK_FLDS);
2262 status = ICE_ERR_DOES_NOT_EXIST;
2266 status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
2270 /* Remove RSS configuration from VSI context before deleting
2273 ice_rem_rss_list(hw, vsi_handle, prof);
2275 if (!ice_is_any_bit_set(prof->vsis, ICE_MAX_VSI))
2276 status = ice_flow_rem_prof(hw, blk, prof->id);
2284 * ice_rem_rss_cfg - remove an existing RSS config with matching hashed fields
2285 * @hw: pointer to the hardware structure
2286 * @vsi_handle: software VSI handle
2287 * @hashed_flds: Packet hash types (ICE_FLOW_HASH_*) to remove
2288 * @addl_hdrs: Protocol header fields within a packet segment
2290 * This function will lookup the flow profile based on the input
2291 * hash field bitmap, iterate through the profile entry list of
2292 * that profile and find entry associated with input VSI to be
2293 * removed. Calls are made to underlying flow apis which will in
2294 * turn build or update buffers for RSS XLT1 section.
2297 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
2300 enum ice_status status;
2302 if (hashed_flds == ICE_HASH_INVALID ||
2303 !ice_is_vsi_valid(hw, vsi_handle))
2304 return ICE_ERR_PARAM;
2306 ice_acquire_lock(&hw->rss_locks);
2307 status = ice_rem_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
2308 ICE_RSS_OUTER_HEADERS);
2310 status = ice_rem_rss_cfg_sync(hw, vsi_handle, hashed_flds,
2311 addl_hdrs, ICE_RSS_INNER_HEADERS);
2312 ice_release_lock(&hw->rss_locks);
2318 * ice_replay_rss_cfg - replay RSS configurations associated with VSI
2319 * @hw: pointer to the hardware structure
2320 * @vsi_handle: software VSI handle
2322 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
2324 enum ice_status status = ICE_SUCCESS;
2325 struct ice_rss_cfg *r;
2327 if (!ice_is_vsi_valid(hw, vsi_handle))
2328 return ICE_ERR_PARAM;
2330 ice_acquire_lock(&hw->rss_locks);
2331 LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
2332 ice_rss_cfg, l_entry) {
2333 if (ice_is_bit_set(r->vsis, vsi_handle)) {
2334 status = ice_add_rss_cfg_sync(hw, vsi_handle,
2337 ICE_RSS_OUTER_HEADERS,
2341 status = ice_add_rss_cfg_sync(hw, vsi_handle,
2344 ICE_RSS_INNER_HEADERS,
2350 ice_release_lock(&hw->rss_locks);
2356 * ice_get_rss_cfg - returns hashed fields for the given header types
2357 * @hw: pointer to the hardware structure
2358 * @vsi_handle: software VSI handle
2359 * @hdrs: protocol header type
2361 * This function will return the match fields of the first instance of flow
2362 * profile having the given header types and containing input VSI
2364 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs)
2366 struct ice_rss_cfg *r, *rss_cfg = NULL;
2368 /* verify if the protocol header is non zero and VSI is valid */
2369 if (hdrs == ICE_FLOW_SEG_HDR_NONE || !ice_is_vsi_valid(hw, vsi_handle))
2370 return ICE_HASH_INVALID;
2372 ice_acquire_lock(&hw->rss_locks);
2373 LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
2374 ice_rss_cfg, l_entry)
2375 if (ice_is_bit_set(r->vsis, vsi_handle) &&
2376 r->packet_hdr == hdrs) {
2380 ice_release_lock(&hw->rss_locks);
2382 return rss_cfg ? rss_cfg->hashed_flds : ICE_HASH_INVALID;