1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2016 - 2018 Cavium Inc.
10 /* ETH FW CONSTANTS */
11 /********************/
13 /* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major &&
14 * fwVer.minor >= drvVer.minor)
16 /* ETH FP HSI Major version */
17 #define ETH_HSI_VER_MAJOR 3
18 /* ETH FP HSI Minor version */
19 #define ETH_HSI_VER_MINOR 11 /* ETH FP HSI Minor version */
21 /* Alias for 8.7.x.x/8.8.x.x ETH FP HSI MINOR version. In this version driver
22 * is not required to set pkt_len field in eth_tx_1st_bd struct, and tunneling
23 * offload is not supported.
25 #define ETH_HSI_VER_NO_PKT_LEN_TUNN 5
27 /* Maximum number of pinned L2 connections (CIDs)*/
28 #define ETH_PINNED_CONN_MAX_NUM 32
30 #define ETH_CACHE_LINE_SIZE 64
31 #define ETH_RX_CQE_GAP 32
32 #define ETH_MAX_RAMROD_PER_CON 8
33 #define ETH_TX_BD_PAGE_SIZE_BYTES 4096
34 #define ETH_RX_BD_PAGE_SIZE_BYTES 4096
35 #define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
36 #define ETH_RX_NUM_NEXT_PAGE_BDS 2
38 /* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP
39 * header (relevant to LSO for tunneled packet):
41 /* Offset is limited to 253 bytes (inclusive). */
42 #define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253
43 /* Offset is limited to 251 bytes (inclusive). */
44 #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251
46 #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
47 #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
48 #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255
49 #define ETH_TX_MAX_LSO_HDR_NBD 4
50 #define ETH_TX_MIN_BDS_PER_LSO_PKT 3
51 #define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3
52 #define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2
53 #define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2
54 #define ETH_TX_MIN_BDS_PER_PKT_W_VPORT_FORWARDING 4
55 /* (QM_REG_TASKBYTECRDCOST_0, QM_VOQ_BYTE_CRD_TASK_COST) -
56 * (VLAN-TAG + CRC + IPG + PREAMBLE)
58 #define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8))
59 #define ETH_TX_MAX_LSO_HDR_BYTES 510
60 /* Number of BDs to consider for LSO sliding window restriction is
61 * (ETH_TX_LSO_WINDOW_BDS_NUM - hdr_nbd)
63 #define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1)
64 /* Minimum data length (in bytes) in LSO sliding window */
65 #define ETH_TX_LSO_WINDOW_MIN_LEN 9700
66 /* Maximum LSO packet TCP payload length (in bytes) */
67 #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000
68 /* Number of same-as-last resources in tx switching */
69 #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320
70 /* Value for a connection for which same as last feature is disabled */
71 #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF
73 /* Maximum number of statistics counters */
74 #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS
75 /* Maximum number of statistics counters when doubled VF zone used */
76 #define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE \
77 (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS / 2)
78 /* Maximum number of statistics counters when quad VF zone used */
79 #define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE \
80 (ETH_NUM_STATISTIC_COUNTERS - 3 * MAX_NUM_VFS / 4)
82 /* Maximum number of buffers, used for RX packet placement */
83 #define ETH_RX_MAX_BUFF_PER_PKT 5
84 /* Minimum number of free BDs in RX ring, that guarantee receiving of at least
87 #define ETH_RX_BD_THRESHOLD 16
89 /* num of MAC/VLAN filters */
90 #define ETH_NUM_MAC_FILTERS 512
91 #define ETH_NUM_VLAN_FILTERS 512
93 /* approx. multicast constants */
94 /* CRC seed for multicast bin calculation */
95 #define ETH_MULTICAST_BIN_FROM_MAC_SEED 0
96 #define ETH_MULTICAST_MAC_BINS 256
97 #define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32)
99 /* ethernet vport update constants */
100 #define ETH_FILTER_RULES_COUNT 10
101 /* number of RSS indirection table entries, per Vport) */
102 #define ETH_RSS_IND_TABLE_ENTRIES_NUM 128
103 /* Length of RSS key (in regs) */
104 #define ETH_RSS_KEY_SIZE_REGS 10
105 /* number of available RSS engines in AH */
106 #define ETH_RSS_ENGINE_NUM_K2 207
107 /* number of available RSS engines in BB */
108 #define ETH_RSS_ENGINE_NUM_BB 127
111 /* Maximum number of open TPA aggregations */
112 #define ETH_TPA_MAX_AGGS_NUM 64
113 /* TPA-start CQE additional BD list length. Used for backward compatible */
114 #define ETH_TPA_CQE_START_BW_LEN_LIST_SIZE 2
115 /* Maximum number of buffers, reported by TPA-continue CQE */
116 #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6
117 /* Maximum number of buffers, reported by TPA-end CQE */
118 #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4
120 /* Control frame check constants */
121 /* Number of etherType values configured by driver for control frame check */
122 #define ETH_CTL_FRAME_ETH_TYPE_NUM 4
125 #define ETH_GFT_TRASHCAN_VPORT 0x1FF /* GFT drop flow vport number */
130 * Destination port mode
133 DST_PORT_PHY /* Send to physical port. */,
134 DST_PORT_LOOPBACK /* Send to loopback port. */,
135 DST_PORT_PHY_LOOPBACK /* Send to physical and loopback port. */,
136 DST_PORT_DROP /* Drop the packet in PBF. */,
142 * Ethernet address type
153 struct eth_tx_1st_bd_flags {
155 /* Set to 1 in the first BD. (for debug) */
156 #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1
157 #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
158 /* Do not allow additional VLAN manipulations on this packet. */
159 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1
160 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
161 /* Recalculate IP checksum. For tunneled packet - relevant to inner header. */
162 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1
163 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
164 /* Recalculate TCP/UDP checksum.
165 * For tunneled packet - relevant to inner header.
167 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1
168 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
169 /* If set, insert VLAN tag from vlan field to the packet.
170 * For tunneled packet - relevant to outer header.
172 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1
173 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
174 /* If set, this is an LSO packet. Note: For Tunneled LSO packets, the offset of
175 * the inner IPV4 (and IPV6) header is limited to 253 (and 251 respectively)
178 #define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1
179 #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
180 /* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */
181 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1
182 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
183 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */
184 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1
185 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type). In case of
186 * GRE tunnel, this flag means GRE CSO, and in this case GRE checksum field
189 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1
190 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
194 * The parsing information data for the first tx bd of a given packet.
196 struct eth_tx_data_1st_bd {
197 /* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */
199 /* Number of BDs in packet. Should be at least 1 in non-LSO packet and at least
200 * 3 in LSO (or Tunnel with IPv6+ext) packet.
203 struct eth_tx_1st_bd_flags bd_flags;
205 /* Indicates a tunneled packet. Must be set for encapsulated packet. */
206 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1
207 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0
208 #define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1
209 #define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1
210 /* Total packet length - must be filled for non-LSO packets. */
211 #define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF
212 #define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2
216 * The parsing information data for the second tx bd of a given packet.
218 struct eth_tx_data_2nd_bd {
219 /* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */
222 /* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */
223 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF
224 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
225 /* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type
226 * (use enum eth_addr_type)
228 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3
229 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
230 /* Destination port mode. (use enum dest_port_mode) */
231 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3
232 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
233 /* Should be 0 in all the BDs, except the first one. (for debug) */
234 #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1
235 #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
236 /* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */
237 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3
238 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
239 /* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */
240 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1
241 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
242 /* In tunneling mode - Set to 1 when the Inner header is IPv6 with extension.
243 * Otherwise set to 1 if the header is IPv6 with extension.
245 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1
246 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
247 /* Set to 1 if Tunnel (outer = encapsulating) header has IPv6 ext. (Note: 3rd BD
248 * is required, hence EDPM does not support Tunnel [outer] header with Ipv6Ext)
250 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1
251 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
252 /* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with
253 * inner or outer Ipv6+ext) and l4_csum is set)
255 #define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1
256 #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
257 /* The pseudo header checksum type in the L4 checksum field. Required when
258 * IPv6+ext and l4_csum is set. (use enum eth_l4_pseudo_checksum_mode)
260 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1
261 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
263 /* For inner/outer header IPv6+ext - (inner) L4 header offset (in 2-byte WORDs).
264 * For regular packet - offset from the beginning of the packet. For tunneled
265 * packet - offset from the beginning of the inner header
267 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF
268 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
269 #define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
270 #define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13
274 * Firmware data for L2-EDPM packet.
276 struct eth_edpm_fw_data {
277 /* Parsing information data from the 1st BD. */
278 struct eth_tx_data_1st_bd data_1st_bd;
279 /* Parsing information data from the 2nd BD. */
280 struct eth_tx_data_2nd_bd data_2nd_bd;
288 struct eth_fast_path_cqe_fw_debug {
289 __le16 reserved2 /* FW reserved. */;
294 * tunneling parsing flags
296 struct eth_tunnel_parsing_flags {
298 /* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN
299 * (use enum eth_rx_tunn_type)
301 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3
302 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0
303 /* If it s not an encapsulated packet then put 0x0. If it s an encapsulated
304 * packet but the tenant-id doesn t exist then put 0x0. Else put 0x1
307 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1
308 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2
309 /* Type of the next header above the tunneling: 0 - unknown, 1 - L2, 2 - Ipv4,
310 * 3 - IPv6 (use enum tunnel_next_protocol)
312 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3
313 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3
314 /* The result of comparing the DA-ip of the tunnel header. */
315 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1
316 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5
317 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1
318 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6
319 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1
320 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7
324 * PMD flow control bits
326 struct eth_pmd_flow_flags {
328 #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 /* CQE valid bit */
329 #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0
330 #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */
331 #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1
332 #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F
333 #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2
337 * Regular ETH Rx FP CQE.
339 struct eth_fast_path_rx_reg_cqe {
340 u8 type /* CQE type */;
342 /* Type of calculated RSS hash (use enum rss_hash_type) */
343 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7
344 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
346 #define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF
347 #define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
348 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
349 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7
350 __le16 pkt_len /* Total packet length (from the parser) */;
351 /* Parsing and error flags from the parser */
352 struct parsing_and_err_flags pars_flags;
353 __le16 vlan_tag /* 802.1q VLAN tag */;
354 __le32 rss_hash /* RSS hash result */;
355 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
356 u8 placement_offset /* Offset of placement from BD start */;
357 /* Tunnel Parsing Flags */
358 struct eth_tunnel_parsing_flags tunnel_pars_flags;
359 u8 bd_num /* Number of BDs, used for packet */;
362 /* aRFS flow ID or Resource ID - Indicates a Vport ID from which packet was
363 * sent, used when sending from VF to VF Representor.
365 __le32 flow_id_or_resource_id;
367 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
372 * TPA-continue ETH Rx FP CQE.
374 struct eth_fast_path_rx_tpa_cont_cqe {
375 u8 type /* CQE type */;
376 u8 tpa_agg_index /* TPA aggregation index */;
377 /* List of the segment sizes */
378 __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
380 u8 reserved1 /* FW reserved. */;
381 __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */;
383 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
388 * TPA-end ETH Rx FP CQE .
390 struct eth_fast_path_rx_tpa_end_cqe {
391 u8 type /* CQE type */;
392 u8 tpa_agg_index /* TPA aggregation index */;
393 __le16 total_packet_len /* Total aggregated packet length */;
394 u8 num_of_bds /* Total number of BDs comprising the packet */;
395 /* Aggregation end reason. Use enum eth_tpa_end_reason */
397 __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */;
398 __le32 ts_delta /* TCP timestamp delta */;
399 /* List of the segment sizes */
400 __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE];
401 __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */;
403 u8 reserved2 /* FW reserved. */;
404 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
409 * TPA-start ETH Rx FP CQE.
411 struct eth_fast_path_rx_tpa_start_cqe {
412 u8 type /* CQE type */;
414 /* Type of calculated RSS hash (use enum rss_hash_type) */
415 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7
416 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
418 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF
419 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
420 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
421 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
422 __le16 seg_len /* Segment length (packetLen from the parser) */;
423 /* Parsing and error flags from the parser */
424 struct parsing_and_err_flags pars_flags;
425 __le16 vlan_tag /* 802.1q VLAN tag */;
426 __le32 rss_hash /* RSS hash result */;
427 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
428 u8 placement_offset /* Offset of placement from BD start */;
429 /* Tunnel Parsing Flags */
430 struct eth_tunnel_parsing_flags tunnel_pars_flags;
431 u8 tpa_agg_index /* TPA aggregation index */;
432 u8 header_len /* Packet L2+L3+L4 header length */;
433 /* Additional BDs length list. Used for backward compatible. */
434 __le16 bw_ext_bd_len_list[ETH_TPA_CQE_START_BW_LEN_LIST_SIZE];
436 /* aRFS or GFS flow ID or Resource ID - Indicates a Vport ID from which packet
437 * was sent, used when sending from VF to VF Representor
439 __le32 flow_id_or_resource_id;
441 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
446 * The L4 pseudo checksum mode for Ethernet
448 enum eth_l4_pseudo_checksum_mode {
449 /* Pseudo Header checksum on packet is calculated with the correct packet length
452 ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH,
453 /* Pseudo Header checksum on packet is calculated with zero length field. */
454 ETH_L4_PSEUDO_CSUM_ZERO_LENGTH,
455 MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
461 struct regpair addr /* single continues buffer */;
466 * regular ETH Rx SP CQE
468 struct eth_slow_path_rx_cqe {
469 u8 type /* CQE type */;
475 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
479 * union for all ETH Rx CQE types
483 struct eth_fast_path_rx_reg_cqe fast_path_regular;
485 struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start;
486 /* TPA-continue CQE */
487 struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont;
489 struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end;
490 struct eth_slow_path_rx_cqe slow_path /* SP CQE */;
497 enum eth_rx_cqe_type {
498 ETH_RX_CQE_TYPE_UNUSED,
499 ETH_RX_CQE_TYPE_REGULAR /* Regular FP ETH Rx CQE */,
500 ETH_RX_CQE_TYPE_SLOW_PATH /* Slow path ETH Rx CQE */,
501 ETH_RX_CQE_TYPE_TPA_START /* TPA start ETH Rx CQE */,
502 ETH_RX_CQE_TYPE_TPA_CONT /* TPA Continue ETH Rx CQE */,
503 ETH_RX_CQE_TYPE_TPA_END /* TPA end ETH Rx CQE */,
509 * Wrapper for PD RX CQE - used in order to cover full cache line when writing
512 struct eth_rx_pmd_cqe {
513 union eth_rx_cqe cqe /* CQE data itself */;
514 u8 reserved[ETH_RX_CQE_GAP];
521 enum eth_rx_tunn_type {
522 ETH_RX_NO_TUNN /* No Tunnel. */,
523 ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */,
524 ETH_RX_TUNN_GRE /* GRE Tunnel. */,
525 ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */,
532 * Aggregation end reason.
534 enum eth_tpa_end_reason {
536 ETH_AGG_END_SP_UPDATE /* SP configuration update */,
537 /* Maximum aggregation length or maximum buffer number used. */
539 /* TCP PSH flag or TCP payload length below continue threshold. */
540 ETH_AGG_END_LAST_SEG,
541 ETH_AGG_END_TIMEOUT /* Timeout expiration. */,
542 /* Packet header not consistency: different IPv4 TOS, TTL or flags, IPv6 TC,
543 * Hop limit or Flow label, TCP header length or TS options. In GRO different
544 * TS value, SMAC, DMAC, ackNum, windowSize or VLAN
546 ETH_AGG_END_NOT_CONSISTENT,
547 /* Out of order or retransmission packet: sequence, ack or timestamp not
548 * consistent with previous segment.
550 ETH_AGG_END_OUT_OF_ORDER,
551 /* Next segment cant be aggregated due to LLC/SNAP, IP error, IP fragment, IPv4
552 * options, IPv6 extension, IP ECN = CE, TCP errors, TCP options, zero TCP
553 * payload length , TCP flags or not supported tunnel header options.
555 ETH_AGG_END_NON_TPA_SEG,
556 MAX_ETH_TPA_END_REASON
562 * The first tx bd of a given packet
564 struct eth_tx_1st_bd {
565 struct regpair addr /* Single continuous buffer */;
566 __le16 nbytes /* Number of bytes in this BD. */;
567 struct eth_tx_data_1st_bd data /* Parsing information data. */;
573 * The second tx bd of a given packet
575 struct eth_tx_2nd_bd {
576 struct regpair addr /* Single continuous buffer */;
577 __le16 nbytes /* Number of bytes in this BD. */;
578 struct eth_tx_data_2nd_bd data /* Parsing information data. */;
583 * The parsing information data for the third tx bd of a given packet.
585 struct eth_tx_data_3rd_bd {
586 __le16 lso_mss /* For LSO packet - the MSS in bytes. */;
588 /* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */
589 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF
590 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
591 /* LSO - number of BDs which contain headers. value should be in range
592 * (1..ETH_TX_MAX_LSO_HDR_NBD).
594 #define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF
595 #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
596 /* Should be 0 in all the BDs, except the first one. (for debug) */
597 #define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1
598 #define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
599 #define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
600 #define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
601 /* For tunnel with IPv6+ext - Pointer to tunnel L4 Header (in 2-byte WORDs) */
602 u8 tunn_l4_hdr_start_offset_w;
603 /* For tunnel with IPv6+ext - Total size of Tunnel Header (in 2-byte WORDs) */
608 * The third tx bd of a given packet
610 struct eth_tx_3rd_bd {
611 struct regpair addr /* Single continuous buffer */;
612 __le16 nbytes /* Number of bytes in this BD. */;
613 struct eth_tx_data_3rd_bd data /* Parsing information data. */;
618 * The parsing information data for the forth tx bd of a given packet.
620 struct eth_tx_data_4th_bd {
621 /* Destination Vport ID to forward the packet, applicable only when
622 * tx_dst_port_mode_config == ETH_TX_DST_MODE_CONFIG_FORWARD_DATA_IN_BD and
623 * dst_port_mode == DST_PORT_LOOPBACK, used to route the packet from VF
629 /* if set, dst_vport_id has a valid value and will be used in FW */
630 #define ETH_TX_DATA_4TH_BD_DST_VPORT_ID_VALID_MASK 0x1
631 #define ETH_TX_DATA_4TH_BD_DST_VPORT_ID_VALID_SHIFT 0
632 #define ETH_TX_DATA_4TH_BD_RESERVED1_MASK 0x7F
633 #define ETH_TX_DATA_4TH_BD_RESERVED1_SHIFT 1
634 /* Should be 0 in all the BDs, except the first one. (for debug) */
635 #define ETH_TX_DATA_4TH_BD_START_BD_MASK 0x1
636 #define ETH_TX_DATA_4TH_BD_START_BD_SHIFT 8
637 #define ETH_TX_DATA_4TH_BD_RESERVED2_MASK 0x7F
638 #define ETH_TX_DATA_4TH_BD_RESERVED2_SHIFT 9
643 * The forth tx bd of a given packet
645 struct eth_tx_4th_bd {
646 struct regpair addr /* Single continuous buffer */;
647 __le16 nbytes /* Number of bytes in this BD. */;
648 struct eth_tx_data_4th_bd data /* Parsing information data. */;
653 * Complementary information for the regular tx bd of a given packet.
655 struct eth_tx_data_bd {
658 #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
659 #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
660 /* Should be 0 in all the BDs, except the first one. (for debug) */
661 #define ETH_TX_DATA_BD_START_BD_MASK 0x1
662 #define ETH_TX_DATA_BD_START_BD_SHIFT 8
663 #define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
664 #define ETH_TX_DATA_BD_RESERVED2_SHIFT 9
669 * The common regular TX BD ring element
672 struct regpair addr /* Single continuous buffer */;
673 __le16 nbytes /* Number of bytes in this BD. */;
674 struct eth_tx_data_bd data /* Complementary information. */;
678 union eth_tx_bd_types {
679 struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */;
680 /* The second tx bd of a given packet */
681 struct eth_tx_2nd_bd second_bd;
682 struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */;
683 struct eth_tx_4th_bd fourth_bd /* The fourth tx bd of a given packet */;
684 struct eth_tx_bd reg_bd /* The common regular bd */;
695 enum eth_tx_tunn_type {
696 ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */,
697 ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */,
698 ETH_TX_TUNN_GRE /* GRE Tunnel. */,
699 ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */,
707 struct mstorm_eth_queue_zone {
708 struct eth_rx_prod_data rx_producers /* ETH Rx producers data */;
716 struct xstorm_eth_queue_zone {
717 /* Tx interrupt coalescing TimeSet */
718 struct coalescing_timeset int_coalescing_timeset;
728 /* destination of doorbell (use enum db_dest) */
729 #define ETH_DB_DATA_DEST_MASK 0x3
730 #define ETH_DB_DATA_DEST_SHIFT 0
731 /* aggregative command to CM (use enum db_agg_cmd_sel) */
732 #define ETH_DB_DATA_AGG_CMD_MASK 0x3
733 #define ETH_DB_DATA_AGG_CMD_SHIFT 2
734 #define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */
735 #define ETH_DB_DATA_BYPASS_EN_SHIFT 4
736 #define ETH_DB_DATA_RESERVED_MASK 0x1
737 #define ETH_DB_DATA_RESERVED_SHIFT 5
738 /* aggregative value selection */
739 #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3
740 #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6
741 /* bit for every DQ counter flags in CM context that DQ can increment */
746 #endif /* __ETH_COMMON__ */