net/ice/base: modify recursive way of adding nodes
[dpdk.git] / drivers / net / ice / base / ice_flow.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2001-2020 Intel Corporation
3  */
4
5 #ifndef _ICE_FLOW_H_
6 #define _ICE_FLOW_H_
7
8 #include "ice_flex_type.h"
9 #include "ice_acl.h"
10
11 #define ICE_IPV4_MAKE_PREFIX_MASK(prefix) ((u32)(~0) << (32 - (prefix)))
12 #define ICE_FLOW_PROF_ID_INVAL          0xfffffffffffffffful
13 #define ICE_FLOW_PROF_ID_BYPASS         0
14 #define ICE_FLOW_PROF_ID_DEFAULT        1
15 #define ICE_FLOW_ENTRY_HANDLE_INVAL     0
16 #define ICE_FLOW_VSI_INVAL              0xffff
17 #define ICE_FLOW_FLD_OFF_INVAL          0xffff
18
19 /* Generate flow hash field from flow field type(s) */
20 #define ICE_FLOW_HASH_ETH       \
21         (BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA) | \
22          BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA))
23 #define ICE_FLOW_HASH_IPV4      \
24         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
25          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA))
26 #define ICE_FLOW_HASH_IPV6      \
27         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
28          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA))
29 #define ICE_FLOW_HASH_IPV6_PRE32        \
30         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA) | \
31          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA))
32 #define ICE_FLOW_HASH_IPV6_PRE48        \
33         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA) | \
34          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA))
35 #define ICE_FLOW_HASH_IPV6_PRE64        \
36         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA) | \
37          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA))
38 #define ICE_FLOW_HASH_TCP_PORT  \
39         (BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
40          BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
41 #define ICE_FLOW_HASH_UDP_PORT  \
42         (BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
43          BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
44 #define ICE_FLOW_HASH_SCTP_PORT \
45         (BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
46          BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
47
48 #define ICE_HASH_INVALID        0
49 #define ICE_HASH_TCP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
50 #define ICE_HASH_TCP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
51 #define ICE_HASH_UDP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
52 #define ICE_HASH_UDP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
53 #define ICE_HASH_SCTP_IPV4      (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_SCTP_PORT)
54 #define ICE_HASH_SCTP_IPV6      (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_SCTP_PORT)
55
56 #define ICE_HASH_TCP_IPV6_PRE32  \
57         (ICE_FLOW_HASH_IPV6_PRE32 | ICE_FLOW_HASH_TCP_PORT)
58 #define ICE_HASH_UDP_IPV6_PRE32  \
59         (ICE_FLOW_HASH_IPV6_PRE32 | ICE_FLOW_HASH_UDP_PORT)
60 #define ICE_HASH_SCTP_IPV6_PRE32 \
61         (ICE_FLOW_HASH_IPV6_PRE32 | ICE_FLOW_HASH_SCTP_PORT)
62 #define ICE_HASH_TCP_IPV6_PRE48  \
63         (ICE_FLOW_HASH_IPV6_PRE48 | ICE_FLOW_HASH_TCP_PORT)
64 #define ICE_HASH_UDP_IPV6_PRE48  \
65         (ICE_FLOW_HASH_IPV6_PRE48 | ICE_FLOW_HASH_UDP_PORT)
66 #define ICE_HASH_SCTP_IPV6_PRE48 \
67         (ICE_FLOW_HASH_IPV6_PRE48 | ICE_FLOW_HASH_SCTP_PORT)
68 #define ICE_HASH_TCP_IPV6_PRE64  \
69         (ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_TCP_PORT)
70 #define ICE_HASH_UDP_IPV6_PRE64  \
71         (ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_UDP_PORT)
72 #define ICE_HASH_SCTP_IPV6_PRE64 \
73         (ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_SCTP_PORT)
74
75 #define ICE_FLOW_HASH_VXLAN_VNI \
76         (BIT_ULL(ICE_FLOW_FIELD_IDX_VXLAN_VNI))
77
78 #define ICE_FLOW_HASH_GTP_TEID \
79         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
80
81 #define ICE_FLOW_HASH_GTP_IPV4_TEID \
82         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_TEID)
83 #define ICE_FLOW_HASH_GTP_IPV6_TEID \
84         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_TEID)
85
86 #define ICE_FLOW_HASH_GTP_U_TEID \
87         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID))
88
89 #define ICE_FLOW_HASH_GTP_U_IPV4_TEID \
90         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_TEID)
91 #define ICE_FLOW_HASH_GTP_U_IPV6_TEID \
92         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_TEID)
93
94 #define ICE_FLOW_HASH_GTP_U_EH_TEID \
95         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID))
96
97 #define ICE_FLOW_HASH_GTP_U_EH_QFI \
98         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_QFI))
99
100 #define ICE_FLOW_HASH_GTP_U_IPV4_EH \
101         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
102          ICE_FLOW_HASH_GTP_U_EH_QFI)
103 #define ICE_FLOW_HASH_GTP_U_IPV6_EH \
104         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
105          ICE_FLOW_HASH_GTP_U_EH_QFI)
106
107 #define ICE_FLOW_HASH_PPPOE_SESS_ID \
108         (BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID))
109
110 #define ICE_FLOW_HASH_PPPOE_SESS_ID_ETH \
111         (ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID)
112 #define ICE_FLOW_HASH_PPPOE_TCP_ID \
113         (ICE_FLOW_HASH_TCP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
114 #define ICE_FLOW_HASH_PPPOE_UDP_ID \
115         (ICE_FLOW_HASH_UDP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
116
117 #define ICE_FLOW_HASH_PFCP_SEID \
118         (BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID))
119 #define ICE_FLOW_HASH_PFCP_IPV4_SEID \
120         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_PFCP_SEID)
121 #define ICE_FLOW_HASH_PFCP_IPV6_SEID \
122         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_PFCP_SEID)
123
124 #define ICE_FLOW_HASH_L2TPV3_SESS_ID \
125         (BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID))
126 #define ICE_FLOW_HASH_L2TPV3_IPV4_SESS_ID \
127         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
128 #define ICE_FLOW_HASH_L2TPV3_IPV6_SESS_ID \
129         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
130
131 #define ICE_FLOW_HASH_ESP_SPI \
132         (BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI))
133 #define ICE_FLOW_HASH_ESP_IPV4_SPI \
134         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_ESP_SPI)
135 #define ICE_FLOW_HASH_ESP_IPV6_SPI \
136         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_ESP_SPI)
137
138 #define ICE_FLOW_HASH_AH_SPI \
139         (BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI))
140 #define ICE_FLOW_HASH_AH_IPV4_SPI \
141         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_AH_SPI)
142 #define ICE_FLOW_HASH_AH_IPV6_SPI \
143         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_AH_SPI)
144
145 #define ICE_FLOW_HASH_NAT_T_ESP_SPI \
146         (BIT_ULL(ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI))
147 #define ICE_FLOW_HASH_NAT_T_ESP_IPV4_SPI \
148         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
149 #define ICE_FLOW_HASH_NAT_T_ESP_IPV6_SPI \
150         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
151
152 /* Protocol header fields within a packet segment. A segment consists of one or
153  * more protocol headers that make up a logical group of protocol headers. Each
154  * logical group of protocol headers encapsulates or is encapsulated using/by
155  * tunneling or encapsulation protocols for network virtualization such as GRE,
156  * VxLAN, etc.
157  */
158 enum ice_flow_seg_hdr {
159         ICE_FLOW_SEG_HDR_NONE           = 0x00000000,
160         ICE_FLOW_SEG_HDR_ETH            = 0x00000001,
161         ICE_FLOW_SEG_HDR_VLAN           = 0x00000002,
162         ICE_FLOW_SEG_HDR_IPV4           = 0x00000004,
163         ICE_FLOW_SEG_HDR_IPV6           = 0x00000008,
164         ICE_FLOW_SEG_HDR_ARP            = 0x00000010,
165         ICE_FLOW_SEG_HDR_ICMP           = 0x00000020,
166         ICE_FLOW_SEG_HDR_TCP            = 0x00000040,
167         ICE_FLOW_SEG_HDR_UDP            = 0x00000080,
168         ICE_FLOW_SEG_HDR_SCTP           = 0x00000100,
169         ICE_FLOW_SEG_HDR_GRE            = 0x00000200,
170         ICE_FLOW_SEG_HDR_GTPC           = 0x00000400,
171         ICE_FLOW_SEG_HDR_GTPC_TEID      = 0x00000800,
172         ICE_FLOW_SEG_HDR_GTPU_IP        = 0x00001000,
173         ICE_FLOW_SEG_HDR_GTPU_EH        = 0x00002000,
174         ICE_FLOW_SEG_HDR_GTPU_DWN       = 0x00004000,
175         ICE_FLOW_SEG_HDR_GTPU_UP        = 0x00008000,
176         ICE_FLOW_SEG_HDR_PPPOE          = 0x00010000,
177         ICE_FLOW_SEG_HDR_PFCP_NODE      = 0x00020000,
178         ICE_FLOW_SEG_HDR_PFCP_SESSION   = 0x00040000,
179         ICE_FLOW_SEG_HDR_L2TPV3         = 0x00080000,
180         ICE_FLOW_SEG_HDR_ESP            = 0x00100000,
181         ICE_FLOW_SEG_HDR_AH             = 0x00200000,
182         ICE_FLOW_SEG_HDR_NAT_T_ESP      = 0x00400000,
183         ICE_FLOW_SEG_HDR_ETH_NON_IP     = 0x00800000,
184         ICE_FLOW_SEG_HDR_GTPU_NON_IP    = 0x01000000,
185         ICE_FLOW_SEG_HDR_VXLAN          = 0x02000000,
186         /* The following is an additive bit for ICE_FLOW_SEG_HDR_IPV4 and
187          * ICE_FLOW_SEG_HDR_IPV6 which include the IPV4 other PTYPEs
188          */
189         ICE_FLOW_SEG_HDR_IPV_OTHER      = 0x20000000,
190 };
191
192 /* These segements all have the same PTYPES, but are otherwise distinguished by
193  * the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
194  *
195  *                                gtp_eh_pdu     gtp_eh_pdu_link
196  * ICE_FLOW_SEG_HDR_GTPU_IP           0              0
197  * ICE_FLOW_SEG_HDR_GTPU_EH           1              don't care
198  * ICE_FLOW_SEG_HDR_GTPU_DWN          1              0
199  * ICE_FLOW_SEG_HDR_GTPU_UP           1              1
200  */
201 #define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
202                                ICE_FLOW_SEG_HDR_GTPU_EH | \
203                                ICE_FLOW_SEG_HDR_GTPU_DWN | \
204                                ICE_FLOW_SEG_HDR_GTPU_UP)
205 #define ICE_FLOW_SEG_HDR_PFCP (ICE_FLOW_SEG_HDR_PFCP_NODE | \
206                                ICE_FLOW_SEG_HDR_PFCP_SESSION)
207
208 enum ice_flow_field {
209         /* L2 */
210         ICE_FLOW_FIELD_IDX_ETH_DA,
211         ICE_FLOW_FIELD_IDX_ETH_SA,
212         ICE_FLOW_FIELD_IDX_S_VLAN,
213         ICE_FLOW_FIELD_IDX_C_VLAN,
214         ICE_FLOW_FIELD_IDX_ETH_TYPE,
215         /* L3 */
216         ICE_FLOW_FIELD_IDX_IPV4_DSCP,
217         ICE_FLOW_FIELD_IDX_IPV6_DSCP,
218         ICE_FLOW_FIELD_IDX_IPV4_TTL,
219         ICE_FLOW_FIELD_IDX_IPV4_PROT,
220         ICE_FLOW_FIELD_IDX_IPV6_TTL,
221         ICE_FLOW_FIELD_IDX_IPV6_PROT,
222         ICE_FLOW_FIELD_IDX_IPV4_SA,
223         ICE_FLOW_FIELD_IDX_IPV4_DA,
224         ICE_FLOW_FIELD_IDX_IPV6_SA,
225         ICE_FLOW_FIELD_IDX_IPV6_DA,
226         ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA,
227         ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA,
228         ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA,
229         ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA,
230         ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA,
231         ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA,
232         /* L4 */
233         ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
234         ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
235         ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
236         ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
237         ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
238         ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
239         ICE_FLOW_FIELD_IDX_TCP_FLAGS,
240         /* ARP */
241         ICE_FLOW_FIELD_IDX_ARP_SIP,
242         ICE_FLOW_FIELD_IDX_ARP_DIP,
243         ICE_FLOW_FIELD_IDX_ARP_SHA,
244         ICE_FLOW_FIELD_IDX_ARP_DHA,
245         ICE_FLOW_FIELD_IDX_ARP_OP,
246         /* ICMP */
247         ICE_FLOW_FIELD_IDX_ICMP_TYPE,
248         ICE_FLOW_FIELD_IDX_ICMP_CODE,
249         /* GRE */
250         ICE_FLOW_FIELD_IDX_GRE_KEYID,
251         /* GTPC_TEID */
252         ICE_FLOW_FIELD_IDX_GTPC_TEID,
253         /* GTPU_IP */
254         ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
255         /* GTPU_EH */
256         ICE_FLOW_FIELD_IDX_GTPU_EH_TEID,
257         ICE_FLOW_FIELD_IDX_GTPU_EH_QFI,
258         /* GTPU_UP */
259         ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
260         /* GTPU_DWN */
261         ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
262         /* PPPOE */
263         ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
264         /* PFCP */
265         ICE_FLOW_FIELD_IDX_PFCP_SEID,
266         /* L2TPV3 */
267         ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID,
268         /* ESP */
269         ICE_FLOW_FIELD_IDX_ESP_SPI,
270         /* AH */
271         ICE_FLOW_FIELD_IDX_AH_SPI,
272         /* NAT_T ESP */
273         ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
274         /* VXLAN VNI */
275         ICE_FLOW_FIELD_IDX_VXLAN_VNI,
276          /* The total number of enums must not exceed 64 */
277         ICE_FLOW_FIELD_IDX_MAX
278 };
279
280 /* Flow headers and fields for AVF support */
281 enum ice_flow_avf_hdr_field {
282         /* Values 0 - 28 are reserved for future use */
283         ICE_AVF_FLOW_FIELD_INVALID              = 0,
284         ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP     = 29,
285         ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
286         ICE_AVF_FLOW_FIELD_IPV4_UDP,
287         ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
288         ICE_AVF_FLOW_FIELD_IPV4_TCP,
289         ICE_AVF_FLOW_FIELD_IPV4_SCTP,
290         ICE_AVF_FLOW_FIELD_IPV4_OTHER,
291         ICE_AVF_FLOW_FIELD_FRAG_IPV4,
292         /* Values 37-38 are reserved */
293         ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP     = 39,
294         ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
295         ICE_AVF_FLOW_FIELD_IPV6_UDP,
296         ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
297         ICE_AVF_FLOW_FIELD_IPV6_TCP,
298         ICE_AVF_FLOW_FIELD_IPV6_SCTP,
299         ICE_AVF_FLOW_FIELD_IPV6_OTHER,
300         ICE_AVF_FLOW_FIELD_FRAG_IPV6,
301         ICE_AVF_FLOW_FIELD_RSVD47,
302         ICE_AVF_FLOW_FIELD_FCOE_OX,
303         ICE_AVF_FLOW_FIELD_FCOE_RX,
304         ICE_AVF_FLOW_FIELD_FCOE_OTHER,
305         /* Values 51-62 are reserved */
306         ICE_AVF_FLOW_FIELD_L2_PAYLOAD           = 63,
307         ICE_AVF_FLOW_FIELD_MAX
308 };
309
310 /* Supported RSS offloads  This macro is defined to support
311  * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
312  * capabilities to the caller of this ops.
313  */
314 #define ICE_DEFAULT_RSS_HENA ( \
315         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
316         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
317         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
318         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
319         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
320         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
321         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
322         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
323         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
324         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
325         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
326         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
327         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
328         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
329         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
330         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
331
332 enum ice_rss_cfg_hdr_type {
333         ICE_RSS_OUTER_HEADERS, /* take outer headers as inputset. */
334         ICE_RSS_INNER_HEADERS, /* take inner headers as inputset. */
335         /* take inner headers as inputset for packet with outer ipv4. */
336         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
337         /* take inner headers as inputset for packet with outer ipv6. */
338         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
339         /* take outer headers first then inner headers as inputset */
340         ICE_RSS_ANY_HEADERS
341 };
342
343 struct ice_rss_hash_cfg {
344         u32 addl_hdrs; /* protocol header fields */
345         u64 hash_flds; /* hash bit field (ICE_FLOW_HASH_*) to configure */
346         enum ice_rss_cfg_hdr_type hdr_type; /* to specify inner or outer */
347         bool symm; /* symmetric or asymmetric hash */
348 };
349
350 enum ice_flow_dir {
351         ICE_FLOW_DIR_UNDEFINED  = 0,
352         ICE_FLOW_TX             = 0x01,
353         ICE_FLOW_RX             = 0x02,
354         ICE_FLOW_TX_RX          = ICE_FLOW_RX | ICE_FLOW_TX
355 };
356
357 enum ice_flow_priority {
358         ICE_FLOW_PRIO_LOW,
359         ICE_FLOW_PRIO_NORMAL,
360         ICE_FLOW_PRIO_HIGH
361 };
362
363 #define ICE_FLOW_SEG_SINGLE             1
364 #define ICE_FLOW_SEG_MAX                2
365 #define ICE_FLOW_SEG_RAW_FLD_MAX        2
366 #define ICE_FLOW_PROFILE_MAX            1024
367 #define ICE_FLOW_SW_FIELD_VECTOR_MAX    48
368 #define ICE_FLOW_ACL_FIELD_VECTOR_MAX   32
369 #define ICE_FLOW_FV_EXTRACT_SZ          2
370
371 #define ICE_FLOW_SET_HDRS(seg, val)     ((seg)->hdrs |= (u32)(val))
372
373 struct ice_flow_seg_xtrct {
374         u8 prot_id;     /* Protocol ID of extracted header field */
375         u16 off;        /* Starting offset of the field in header in bytes */
376         u8 idx;         /* Index of FV entry used */
377         u8 disp;        /* Displacement of field in bits fr. FV entry's start */
378         u16 mask;       /* Mask for field */
379 };
380
381 enum ice_flow_fld_match_type {
382         ICE_FLOW_FLD_TYPE_REG,          /* Value, mask */
383         ICE_FLOW_FLD_TYPE_RANGE,        /* Value, mask, last (upper bound) */
384         ICE_FLOW_FLD_TYPE_PREFIX,       /* IP address, prefix, size of prefix */
385         ICE_FLOW_FLD_TYPE_SIZE,         /* Value, mask, size of match */
386 };
387
388 struct ice_flow_fld_loc {
389         /* Describe offsets of field information relative to the beginning of
390          * input buffer provided when adding flow entries.
391          */
392         u16 val;        /* Offset where the value is located */
393         u16 mask;       /* Offset where the mask/prefix value is located */
394         u16 last;       /* Length or offset where the upper value is located */
395 };
396
397 struct ice_flow_fld_info {
398         enum ice_flow_fld_match_type type;
399         /* Location where to retrieve data from an input buffer */
400         struct ice_flow_fld_loc src;
401         /* Location where to put the data into the final entry buffer */
402         struct ice_flow_fld_loc entry;
403         struct ice_flow_seg_xtrct xtrct;
404 };
405
406 struct ice_flow_seg_fld_raw {
407         struct ice_flow_fld_info info;
408         u16 off;        /* Offset from the start of the segment */
409 };
410
411 struct ice_flow_seg_info {
412         u32 hdrs;       /* Bitmask indicating protocol headers present */
413         u64 match;      /* Bitmask indicating header fields to be matched */
414         u64 range;      /* Bitmask indicating header fields matched as ranges */
415
416         struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
417
418         u8 raws_cnt;    /* Number of raw fields to be matched */
419         struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
420 };
421
422 /* This structure describes a flow entry, and is tracked only in this file */
423 struct ice_flow_entry {
424         struct LIST_ENTRY_TYPE l_entry;
425
426         u64 id;
427         struct ice_flow_prof *prof;
428         /* Action list */
429         struct ice_flow_action *acts;
430         /* Flow entry's content */
431         void *entry;
432         /* Range buffer (For ACL only) */
433         struct ice_aqc_acl_profile_ranges *range_buf;
434         enum ice_flow_priority priority;
435         u16 vsi_handle;
436         u16 entry_sz;
437         /* Entry index in the ACL's scenario */
438         u16 scen_entry_idx;
439 #define ICE_FLOW_ACL_MAX_NUM_ACT        2
440         u8 acts_cnt;
441 };
442
443 #define ICE_FLOW_ENTRY_HNDL(e)  ((unsigned long)e)
444 #define ICE_FLOW_ENTRY_PTR(h)   ((struct ice_flow_entry *)(h))
445
446 struct ice_flow_prof {
447         struct LIST_ENTRY_TYPE l_entry;
448
449         u64 id;
450         enum ice_flow_dir dir;
451         u8 segs_cnt;
452         u8 acts_cnt;
453
454         /* Keep track of flow entries associated with this flow profile */
455         struct ice_lock entries_lock;
456         struct LIST_HEAD_TYPE entries;
457
458         struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
459
460         /* software VSI handles referenced by this flow profile */
461         ice_declare_bitmap(vsis, ICE_MAX_VSI);
462
463         union {
464                 /* struct sw_recipe */
465                 struct ice_acl_scen *scen;
466                 /* struct fd */
467                 u32 data;
468                 bool symm; /* Symmetric Hash for RSS */
469         } cfg;
470
471         /* Default actions */
472         struct ice_flow_action *acts;
473 };
474
475 struct ice_rss_cfg {
476         struct LIST_ENTRY_TYPE l_entry;
477         /* bitmap of VSIs added to the RSS entry */
478         ice_declare_bitmap(vsis, ICE_MAX_VSI);
479         struct ice_rss_hash_cfg hash;
480 };
481
482 enum ice_flow_action_type {
483         ICE_FLOW_ACT_NOP,
484         ICE_FLOW_ACT_ALLOW,
485         ICE_FLOW_ACT_DROP,
486         ICE_FLOW_ACT_CNTR_PKT,
487         ICE_FLOW_ACT_FWD_VSI,
488         ICE_FLOW_ACT_FWD_VSI_LIST,      /* Should be abstracted away */
489         ICE_FLOW_ACT_FWD_QUEUE,         /* Can Queues be abstracted away? */
490         ICE_FLOW_ACT_FWD_QUEUE_GROUP,   /* Can Queues be abstracted away? */
491         ICE_FLOW_ACT_PUSH,
492         ICE_FLOW_ACT_POP,
493         ICE_FLOW_ACT_MODIFY,
494         ICE_FLOW_ACT_CNTR_BYTES,
495         ICE_FLOW_ACT_CNTR_PKT_BYTES,
496         ICE_FLOW_ACT_GENERIC_0,
497         ICE_FLOW_ACT_GENERIC_1,
498         ICE_FLOW_ACT_GENERIC_2,
499         ICE_FLOW_ACT_GENERIC_3,
500         ICE_FLOW_ACT_GENERIC_4,
501         ICE_FLOW_ACT_RPT_FLOW_ID,
502         ICE_FLOW_ACT_BUILD_PROF_IDX,
503 };
504
505 struct ice_flow_action {
506         enum ice_flow_action_type type;
507         union {
508                 struct ice_acl_act_entry acl_act;
509                 u32 dummy;
510         } data;
511 };
512
513 u64
514 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
515                    struct ice_flow_seg_info *segs, u8 segs_cnt);
516 enum ice_status
517 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
518                   u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
519                   struct ice_flow_action *acts, u8 acts_cnt,
520                   struct ice_flow_prof **prof);
521 enum ice_status
522 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
523 enum ice_status
524 ice_flow_assoc_prof(struct ice_hw *hw, enum ice_block blk,
525                     struct ice_flow_prof *prof, u16 vsi_handle);
526 enum ice_status
527 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
528                         u16 vsig);
529 enum ice_status
530 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
531                      u8 *hw_prof);
532
533 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id);
534 enum ice_status
535 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
536                    u64 entry_id, u16 vsi, enum ice_flow_priority prio,
537                    void *data, struct ice_flow_action *acts, u8 acts_cnt,
538                    u64 *entry_h);
539 enum ice_status
540 ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
541 void
542 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
543                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
544 void
545 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
546                         u16 val_loc, u16 prefix_loc, u8 prefix_sz);
547 void
548 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
549                      u16 val_loc, u16 mask_loc);
550 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
551 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
552 enum ice_status
553 ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
554 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
555 enum ice_status
556 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle,
557                 const struct ice_rss_hash_cfg *cfg);
558 enum ice_status
559 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle,
560                 const struct ice_rss_hash_cfg *cfg);
561 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
562 #endif /* _ICE_FLOW_H_ */