2 * Copyright (c) 2016 QLogic Corporation.
6 * See LICENSE.qede_pmd for copyright and licensing details.
10 #define __ETH_COMMON__
11 /********************/
12 /* ETH FW CONSTANTS */
13 /********************/
15 /* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major &&
16 * fwVer.minor >= drvVer.minor)
18 /* ETH FP HSI Major version */
19 #define ETH_HSI_VER_MAJOR 3
20 /* ETH FP HSI Minor version */
21 #define ETH_HSI_VER_MINOR 10
23 /* Alias for 8.7.x.x/8.8.x.x ETH FP HSI MINOR version. In this version driver
24 * is not required to set pkt_len field in eth_tx_1st_bd struct, and tunneling
25 * offload is not supported.
27 #define ETH_HSI_VER_NO_PKT_LEN_TUNN 5
29 #define ETH_CACHE_LINE_SIZE 64
30 #define ETH_RX_CQE_GAP 32
31 #define ETH_MAX_RAMROD_PER_CON 8
32 #define ETH_TX_BD_PAGE_SIZE_BYTES 4096
33 #define ETH_RX_BD_PAGE_SIZE_BYTES 4096
34 #define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
35 #define ETH_RX_NUM_NEXT_PAGE_BDS 2
37 /* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP
38 * header (relevant to LSO for tunneled packet):
40 /* Offset is limited to 253 bytes (inclusive). */
41 #define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253
42 /* Offset is limited to 251 bytes (inclusive). */
43 #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251
45 #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
46 #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
47 #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255
48 #define ETH_TX_MAX_LSO_HDR_NBD 4
49 #define ETH_TX_MIN_BDS_PER_LSO_PKT 3
50 #define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3
51 #define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2
52 #define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2
53 /* (QM_REG_TASKBYTECRDCOST_0, QM_VOQ_BYTE_CRD_TASK_COST) -
54 * (VLAN-TAG + CRC + IPG + PREAMBLE)
56 #define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8))
57 #define ETH_TX_MAX_LSO_HDR_BYTES 510
58 /* Number of BDs to consider for LSO sliding window restriction is
59 * (ETH_TX_LSO_WINDOW_BDS_NUM - hdr_nbd)
61 #define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1)
62 /* Minimum data length (in bytes) in LSO sliding window */
63 #define ETH_TX_LSO_WINDOW_MIN_LEN 9700
64 /* Maximum LSO packet TCP payload length (in bytes) */
65 #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000
66 /* Number of same-as-last resources in tx switching */
67 #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320
68 /* Value for a connection for which same as last feature is disabled */
69 #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF
71 /* Maximum number of statistics counters */
72 #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS
73 /* Maximum number of statistics counters when doubled VF zone used */
74 #define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE \
75 (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS / 2)
76 /* Maximum number of statistics counters when quad VF zone used */
77 #define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE \
78 (ETH_NUM_STATISTIC_COUNTERS - 3 * MAX_NUM_VFS / 4)
80 /* Maximum number of buffers, used for RX packet placement */
81 #define ETH_RX_MAX_BUFF_PER_PKT 5
82 /* Minimum number of free BDs in RX ring, that guarantee receiving of at least
85 #define ETH_RX_BD_THRESHOLD 12
87 /* num of MAC/VLAN filters */
88 #define ETH_NUM_MAC_FILTERS 512
89 #define ETH_NUM_VLAN_FILTERS 512
91 /* approx. multicast constants */
92 /* CRC seed for multicast bin calculation */
93 #define ETH_MULTICAST_BIN_FROM_MAC_SEED 0
94 #define ETH_MULTICAST_MAC_BINS 256
95 #define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32)
97 /* ethernet vport update constants */
98 #define ETH_FILTER_RULES_COUNT 10
99 /* number of RSS indirection table entries, per Vport) */
100 #define ETH_RSS_IND_TABLE_ENTRIES_NUM 128
101 /* Length of RSS key (in regs) */
102 #define ETH_RSS_KEY_SIZE_REGS 10
103 /* number of available RSS engines in K2 */
104 #define ETH_RSS_ENGINE_NUM_K2 207
105 /* number of available RSS engines in BB */
106 #define ETH_RSS_ENGINE_NUM_BB 127
109 /* Maximum number of open TPA aggregations */
110 #define ETH_TPA_MAX_AGGS_NUM 64
111 /* Maximum number of additional buffers, reported by TPA-start CQE */
112 #define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT
113 /* Maximum number of buffers, reported by TPA-continue CQE */
114 #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6
115 /* Maximum number of buffers, reported by TPA-end CQE */
116 #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4
118 /* Control frame check constants */
119 /* Number of etherType values configured by driver for control frame check */
120 #define ETH_CTL_FRAME_ETH_TYPE_NUM 4
125 * Destination port mode
127 enum dest_port_mode {
128 DEST_PORT_PHY /* Send to physical port. */,
129 DEST_PORT_LOOPBACK /* Send to loopback port. */,
130 DEST_PORT_PHY_LOOPBACK /* Send to physical and loopback port. */,
131 DEST_PORT_DROP /* Drop the packet in PBF. */,
137 * Ethernet address type
148 struct eth_tx_1st_bd_flags {
150 /* Set to 1 in the first BD. (for debug) */
151 #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1
152 #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
153 /* Do not allow additional VLAN manipulations on this packet. */
154 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1
155 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
156 /* Recalculate IP checksum. For tunneled packet - relevant to inner header. */
157 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1
158 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
159 /* Recalculate TCP/UDP checksum.
160 * For tunneled packet - relevant to inner header.
162 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1
163 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
164 /* If set, insert VLAN tag from vlan field to the packet.
165 * For tunneled packet - relevant to outer header.
167 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1
168 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
169 /* If set, this is an LSO packet. Note: For Tunneled LSO packets, the offset of
170 * the inner IPV4 (and IPV6) header is limited to 253 (and 251 respectively)
173 #define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1
174 #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
175 /* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */
176 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1
177 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
178 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */
179 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1
180 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
184 * The parsing information data for the first tx bd of a given packet.
186 struct eth_tx_data_1st_bd {
187 /* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */
189 /* Number of BDs in packet. Should be at least 1 in non-LSO packet and at least
190 * 3 in LSO (or Tunnel with IPv6+ext) packet.
193 struct eth_tx_1st_bd_flags bd_flags;
195 /* Indicates a tunneled packet. Must be set for encapsulated packet. */
196 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1
197 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0
198 #define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1
199 #define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1
200 /* Total packet length - must be filled for non-LSO packets. */
201 #define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF
202 #define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2
206 * The parsing information data for the second tx bd of a given packet.
208 struct eth_tx_data_2nd_bd {
209 /* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */
212 /* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */
213 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF
214 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
215 /* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type
216 * (use enum eth_addr_type)
218 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3
219 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
220 /* Destination port mode. (use enum dest_port_mode) */
221 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3
222 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
223 /* Should be 0 in all the BDs, except the first one. (for debug) */
224 #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1
225 #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
226 /* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */
227 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3
228 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
229 /* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */
230 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1
231 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
232 /* In tunneling mode - Set to 1 when the Inner header is IPv6 with extension.
233 * Otherwise set to 1 if the header is IPv6 with extension.
235 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1
236 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
237 /* Set to 1 if Tunnel (outer = encapsulating) header has IPv6 ext. (Note: 3rd BD
238 * is required, hence EDPM does not support Tunnel [outer] header with Ipv6Ext)
240 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1
241 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
242 /* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with
243 * inner or outer Ipv6+ext) and l4_csum is set)
245 #define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1
246 #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
247 /* The pseudo header checksum type in the L4 checksum field. Required when
248 * IPv6+ext and l4_csum is set. (use enum eth_l4_pseudo_checksum_mode)
250 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1
251 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
253 /* For inner/outer header IPv6+ext - (inner) L4 header offset (in 2-byte WORDs).
254 * For regular packet - offset from the beginning of the packet. For tunneled
255 * packet - offset from the beginning of the inner header
257 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF
258 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
259 #define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
260 #define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13
264 * Firmware data for L2-EDPM packet.
266 struct eth_edpm_fw_data {
267 /* Parsing information data from the 1st BD. */
268 struct eth_tx_data_1st_bd data_1st_bd;
269 /* Parsing information data from the 2nd BD. */
270 struct eth_tx_data_2nd_bd data_2nd_bd;
278 struct eth_fast_path_cqe_fw_debug {
279 __le16 reserved2 /* FW reserved. */;
284 * tunneling parsing flags
286 struct eth_tunnel_parsing_flags {
288 /* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN
289 * (use enum eth_rx_tunn_type)
291 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3
292 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0
293 /* If it s not an encapsulated packet then put 0x0. If it s an encapsulated
294 * packet but the tenant-id doesn t exist then put 0x0. Else put 0x1
297 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1
298 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2
299 /* Type of the next header above the tunneling: 0 - unknown, 1 - L2, 2 - Ipv4,
300 * 3 - IPv6 (use enum tunnel_next_protocol)
302 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3
303 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3
304 /* The result of comparing the DA-ip of the tunnel header. */
305 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1
306 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5
307 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1
308 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6
309 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1
310 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7
314 * PMD flow control bits
316 struct eth_pmd_flow_flags {
318 #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 /* CQE valid bit */
319 #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0
320 #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */
321 #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1
322 #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F
323 #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2
327 * Regular ETH Rx FP CQE.
329 struct eth_fast_path_rx_reg_cqe {
330 u8 type /* CQE type */;
332 /* Type of calculated RSS hash (use enum rss_hash_type) */
333 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7
334 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
336 #define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF
337 #define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
338 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
339 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7
340 __le16 pkt_len /* Total packet length (from the parser) */;
341 /* Parsing and error flags from the parser */
342 struct parsing_and_err_flags pars_flags;
343 __le16 vlan_tag /* 802.1q VLAN tag */;
344 __le32 rss_hash /* RSS hash result */;
345 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
346 u8 placement_offset /* Offset of placement from BD start */;
347 /* Tunnel Parsing Flags */
348 struct eth_tunnel_parsing_flags tunnel_pars_flags;
349 u8 bd_num /* Number of BDs, used for packet */;
351 struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */;
353 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
358 * TPA-continue ETH Rx FP CQE.
360 struct eth_fast_path_rx_tpa_cont_cqe {
361 u8 type /* CQE type */;
362 u8 tpa_agg_index /* TPA aggregation index */;
363 /* List of the segment sizes */
364 __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
366 u8 reserved1 /* FW reserved. */;
367 __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */;
369 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
374 * TPA-end ETH Rx FP CQE .
376 struct eth_fast_path_rx_tpa_end_cqe {
377 u8 type /* CQE type */;
378 u8 tpa_agg_index /* TPA aggregation index */;
379 __le16 total_packet_len /* Total aggregated packet length */;
380 u8 num_of_bds /* Total number of BDs comprising the packet */;
381 /* Aggregation end reason. Use enum eth_tpa_end_reason */
383 __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */;
384 __le32 ts_delta /* TCP timestamp delta */;
385 /* List of the segment sizes */
386 __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE];
387 __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */;
389 u8 reserved2 /* FW reserved. */;
390 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
395 * TPA-start ETH Rx FP CQE.
397 struct eth_fast_path_rx_tpa_start_cqe {
398 u8 type /* CQE type */;
400 /* Type of calculated RSS hash (use enum rss_hash_type) */
401 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7
402 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
404 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF
405 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
406 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
407 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
408 __le16 seg_len /* Segment length (packetLen from the parser) */;
409 /* Parsing and error flags from the parser */
410 struct parsing_and_err_flags pars_flags;
411 __le16 vlan_tag /* 802.1q VLAN tag */;
412 __le32 rss_hash /* RSS hash result */;
413 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
414 u8 placement_offset /* Offset of placement from BD start */;
415 /* Tunnel Parsing Flags */
416 struct eth_tunnel_parsing_flags tunnel_pars_flags;
417 u8 tpa_agg_index /* TPA aggregation index */;
418 u8 header_len /* Packet L2+L3+L4 header length */;
419 /* Additional BDs length list. */
420 __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE];
421 struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */;
423 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
428 * The L4 pseudo checksum mode for Ethernet
430 enum eth_l4_pseudo_checksum_mode {
431 /* Pseudo Header checksum on packet is calculated with the correct packet length
434 ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH,
435 /* Pseudo Header checksum on packet is calculated with zero length field. */
436 ETH_L4_PSEUDO_CSUM_ZERO_LENGTH,
437 MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
443 struct regpair addr /* single continues buffer */;
448 * regular ETH Rx SP CQE
450 struct eth_slow_path_rx_cqe {
451 u8 type /* CQE type */;
457 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
461 * union for all ETH Rx CQE types
465 struct eth_fast_path_rx_reg_cqe fast_path_regular;
467 struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start;
468 /* TPA-continue CQE */
469 struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont;
471 struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end;
472 struct eth_slow_path_rx_cqe slow_path /* SP CQE */;
479 enum eth_rx_cqe_type {
480 ETH_RX_CQE_TYPE_UNUSED,
481 ETH_RX_CQE_TYPE_REGULAR /* Regular FP ETH Rx CQE */,
482 ETH_RX_CQE_TYPE_SLOW_PATH /* Slow path ETH Rx CQE */,
483 ETH_RX_CQE_TYPE_TPA_START /* TPA start ETH Rx CQE */,
484 ETH_RX_CQE_TYPE_TPA_CONT /* TPA Continue ETH Rx CQE */,
485 ETH_RX_CQE_TYPE_TPA_END /* TPA end ETH Rx CQE */,
491 * Wrapper for PD RX CQE - used in order to cover full cache line when writing
494 struct eth_rx_pmd_cqe {
495 union eth_rx_cqe cqe /* CQE data itself */;
496 u8 reserved[ETH_RX_CQE_GAP];
503 enum eth_rx_tunn_type {
504 ETH_RX_NO_TUNN /* No Tunnel. */,
505 ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */,
506 ETH_RX_TUNN_GRE /* GRE Tunnel. */,
507 ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */,
514 * Aggregation end reason.
516 enum eth_tpa_end_reason {
518 ETH_AGG_END_SP_UPDATE /* SP configuration update */,
519 /* Maximum aggregation length or maximum buffer number used. */
521 /* TCP PSH flag or TCP payload length below continue threshold. */
522 ETH_AGG_END_LAST_SEG,
523 ETH_AGG_END_TIMEOUT /* Timeout expiration. */,
524 /* Packet header not consistency: different IPv4 TOS, TTL or flags, IPv6 TC,
525 * Hop limit or Flow label, TCP header length or TS options. In GRO different
526 * TS value, SMAC, DMAC, ackNum, windowSize or VLAN
528 ETH_AGG_END_NOT_CONSISTENT,
529 /* Out of order or retransmission packet: sequence, ack or timestamp not
530 * consistent with previous segment.
532 ETH_AGG_END_OUT_OF_ORDER,
533 /* Next segment cant be aggregated due to LLC/SNAP, IP error, IP fragment, IPv4
534 * options, IPv6 extension, IP ECN = CE, TCP errors, TCP options, zero TCP
535 * payload length , TCP flags or not supported tunnel header options.
537 ETH_AGG_END_NON_TPA_SEG,
538 MAX_ETH_TPA_END_REASON
544 * The first tx bd of a given packet
546 struct eth_tx_1st_bd {
547 struct regpair addr /* Single continuous buffer */;
548 __le16 nbytes /* Number of bytes in this BD. */;
549 struct eth_tx_data_1st_bd data /* Parsing information data. */;
555 * The second tx bd of a given packet
557 struct eth_tx_2nd_bd {
558 struct regpair addr /* Single continuous buffer */;
559 __le16 nbytes /* Number of bytes in this BD. */;
560 struct eth_tx_data_2nd_bd data /* Parsing information data. */;
565 * The parsing information data for the third tx bd of a given packet.
567 struct eth_tx_data_3rd_bd {
568 __le16 lso_mss /* For LSO packet - the MSS in bytes. */;
570 /* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */
571 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF
572 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
573 /* LSO - number of BDs which contain headers. value should be in range
574 * (1..ETH_TX_MAX_LSO_HDR_NBD).
576 #define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF
577 #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
578 /* Should be 0 in all the BDs, except the first one. (for debug) */
579 #define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1
580 #define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
581 #define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
582 #define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
583 /* For tunnel with IPv6+ext - Pointer to tunnel L4 Header (in 2-byte WORDs) */
584 u8 tunn_l4_hdr_start_offset_w;
585 /* For tunnel with IPv6+ext - Total size of Tunnel Header (in 2-byte WORDs) */
590 * The third tx bd of a given packet
592 struct eth_tx_3rd_bd {
593 struct regpair addr /* Single continuous buffer */;
594 __le16 nbytes /* Number of bytes in this BD. */;
595 struct eth_tx_data_3rd_bd data /* Parsing information data. */;
600 * Complementary information for the regular tx bd of a given packet.
602 struct eth_tx_data_bd {
605 #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
606 #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
607 /* Should be 0 in all the BDs, except the first one. (for debug) */
608 #define ETH_TX_DATA_BD_START_BD_MASK 0x1
609 #define ETH_TX_DATA_BD_START_BD_SHIFT 8
610 #define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
611 #define ETH_TX_DATA_BD_RESERVED2_SHIFT 9
616 * The common regular TX BD ring element
619 struct regpair addr /* Single continuous buffer */;
620 __le16 nbytes /* Number of bytes in this BD. */;
621 struct eth_tx_data_bd data /* Complementary information. */;
625 union eth_tx_bd_types {
626 struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */;
627 /* The second tx bd of a given packet */
628 struct eth_tx_2nd_bd second_bd;
629 struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */;
630 struct eth_tx_bd reg_bd /* The common non-special bd */;
641 enum eth_tx_tunn_type {
642 ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */,
643 ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */,
644 ETH_TX_TUNN_GRE /* GRE Tunnel. */,
645 ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */,
653 struct xstorm_eth_queue_zone {
654 /* Tx interrupt coalescing TimeSet */
655 struct coalescing_timeset int_coalescing_timeset;
665 /* destination of doorbell (use enum db_dest) */
666 #define ETH_DB_DATA_DEST_MASK 0x3
667 #define ETH_DB_DATA_DEST_SHIFT 0
668 /* aggregative command to CM (use enum db_agg_cmd_sel) */
669 #define ETH_DB_DATA_AGG_CMD_MASK 0x3
670 #define ETH_DB_DATA_AGG_CMD_SHIFT 2
671 #define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */
672 #define ETH_DB_DATA_BYPASS_EN_SHIFT 4
673 #define ETH_DB_DATA_RESERVED_MASK 0x1
674 #define ETH_DB_DATA_RESERVED_SHIFT 5
675 /* aggregative value selection */
676 #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3
677 #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6
678 /* bit for every DQ counter flags in CM context that DQ can increment */
683 #endif /* __ETH_COMMON__ */