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31 #ifndef __ETH_COMMON__
32 #define __ETH_COMMON__
33 /********************/
34 /* ETH FW CONSTANTS */
35 /********************/
37 /* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major && fwVer.minor >= drvVer.minor) */
38 #define ETH_HSI_VER_MAJOR 3 /* ETH FP HSI Major version */
39 #define ETH_HSI_VER_MINOR 10 /* ETH FP HSI Minor version */
41 #define ETH_HSI_VER_NO_PKT_LEN_TUNN 5 /* Alias for 8.7.x.x/8.8.x.x ETH FP HSI MINOR version. In this version driver is not required to set pkt_len field in eth_tx_1st_bd struct, and tunneling offload is not supported. */
43 #define ETH_CACHE_LINE_SIZE 64
44 #define ETH_RX_CQE_GAP 32
45 #define ETH_MAX_RAMROD_PER_CON 8
46 #define ETH_TX_BD_PAGE_SIZE_BYTES 4096
47 #define ETH_RX_BD_PAGE_SIZE_BYTES 4096
48 #define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
49 #define ETH_RX_NUM_NEXT_PAGE_BDS 2
51 /* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP header (relevant to LSO for tunneled packet): */
52 #define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253 /* Offset is limited to 253 bytes (inclusive). */
53 #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251 /* Offset is limited to 251 bytes (inclusive). */
55 #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
56 #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
57 #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255
58 #define ETH_TX_MAX_LSO_HDR_NBD 4
59 #define ETH_TX_MIN_BDS_PER_LSO_PKT 3
60 #define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3
61 #define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2
62 #define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2
63 #define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8)) /* (QM_REG_TASKBYTECRDCOST_0, QM_VOQ_BYTE_CRD_TASK_COST) - (VLAN-TAG + CRC + IPG + PREAMBLE) */
64 #define ETH_TX_MAX_LSO_HDR_BYTES 510
65 #define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1) /* Number of BDs to consider for LSO sliding window restriction is (ETH_TX_LSO_WINDOW_BDS_NUM - hdr_nbd) */
66 #define ETH_TX_LSO_WINDOW_MIN_LEN 9700 /* Minimum data length (in bytes) in LSO sliding window */
67 #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000 /* Maximum LSO packet TCP payload length (in bytes) */
68 #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320 /* Number of same-as-last resources in tx switching */
69 #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF /* Value for a connection for which same as last feature is disabled */
71 #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS /* Maximum number of statistics counters */
72 #define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS/2) /* Maximum number of statistics counters when doubled VF zone used */
73 #define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE (ETH_NUM_STATISTIC_COUNTERS - 3*MAX_NUM_VFS/4) /* Maximum number of statistics counters when quad VF zone used */
75 #define ETH_RX_MAX_BUFF_PER_PKT 5 /* Maximum number of buffers, used for RX packet placement */
76 #define ETH_RX_BD_THRESHOLD 12 /* Minimum number of free BDs in RX ring, that guarantee receiving of at least one RX packet. */
78 /* num of MAC/VLAN filters */
79 #define ETH_NUM_MAC_FILTERS 512
80 #define ETH_NUM_VLAN_FILTERS 512
82 /* approx. multicast constants */
83 #define ETH_MULTICAST_BIN_FROM_MAC_SEED 0 /* CRC seed for multicast bin calculation */
84 #define ETH_MULTICAST_MAC_BINS 256
85 #define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32)
87 /* ethernet vport update constants */
88 #define ETH_FILTER_RULES_COUNT 10
89 #define ETH_RSS_IND_TABLE_ENTRIES_NUM 128 /* number of RSS indirection table entries, per Vport) */
90 #define ETH_RSS_KEY_SIZE_REGS 10 /* Length of RSS key (in regs) */
91 #define ETH_RSS_ENGINE_NUM_K2 207 /* number of available RSS engines in K2 */
92 #define ETH_RSS_ENGINE_NUM_BB 127 /* number of available RSS engines in BB */
95 #define ETH_TPA_MAX_AGGS_NUM 64 /* Maximum number of open TPA aggregations */
96 #define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT /* Maximum number of additional buffers, reported by TPA-start CQE */
97 #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6 /* Maximum number of buffers, reported by TPA-continue CQE */
98 #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4 /* Maximum number of buffers, reported by TPA-end CQE */
100 /* Control frame check constants */
101 #define ETH_CTL_FRAME_ETH_TYPE_NUM 4 /* Number of etherType values configured by the driver for control frame check */
106 * Destination port mode
110 DEST_PORT_PHY /* Send to physical port. */,
111 DEST_PORT_LOOPBACK /* Send to loopback port. */,
112 DEST_PORT_PHY_LOOPBACK /* Send to physical and loopback port. */,
113 DEST_PORT_DROP /* Drop the packet in PBF. */,
119 * Ethernet address type
131 struct eth_tx_1st_bd_flags
134 #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1 /* Set to 1 in the first BD. (for debug) */
135 #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
136 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1 /* Do not allow additional VLAN manipulations on this packet. */
137 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
138 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1 /* Recalculate IP checksum. For tunneled packet - relevant to inner header. */
139 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
140 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1 /* Recalculate TCP/UDP checksum. For tunneled packet - relevant to inner header. */
141 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
142 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1 /* If set, insert VLAN tag from vlan field to the packet. For tunneled packet - relevant to outer header. */
143 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
144 #define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1 /* If set, this is an LSO packet. Note: For Tunneled LSO packets, the offset of the inner IPV4 (and IPV6) header is limited to 253 (and 251 respectively) bytes, inclusive. */
145 #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
146 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1 /* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */
147 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
148 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */
149 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
153 * The parsing information data for the first tx bd of a given packet.
155 struct eth_tx_data_1st_bd
157 __le16 vlan /* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */;
158 u8 nbds /* Number of BDs in packet. Should be at least 1 in non-LSO packet and at least 3 in LSO (or Tunnel with IPv6+ext) packet. */;
159 struct eth_tx_1st_bd_flags bd_flags;
161 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1 /* Indicates a tunneled packet. Must be set for encapsulated packet. */
162 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0
163 #define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1
164 #define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1
165 #define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF /* Total packet length - must be filled for non-LSO packets. */
166 #define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2
170 * The parsing information data for the second tx bd of a given packet.
172 struct eth_tx_data_2nd_bd
174 __le16 tunn_ip_size /* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */;
176 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF /* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */
177 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
178 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type (use enum eth_addr_type) */
179 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
180 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3 /* Destination port mode. (use enum dest_port_mode) */
181 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
182 #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */
183 #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
184 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */
185 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
186 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1 /* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */
187 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
188 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1 /* In tunneling mode - Set to 1 when the Inner header is IPv6 with extension. Otherwise set to 1 if the header is IPv6 with extension. */
189 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
190 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1 /* Set to 1 if Tunnel (outer = encapsulating) header has IPv6 ext. (Note: 3rd BD is required, hence EDPM does not support Tunnel [outer] header with Ipv6Ext) */
191 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
192 #define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1 /* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with inner or outer Ipv6+ext) and l4_csum is set) */
193 #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
194 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1 /* The pseudo header checksum type in the L4 checksum field. Required when IPv6+ext and l4_csum is set. (use enum eth_l4_pseudo_checksum_mode) */
195 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
197 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF /* For inner/outer header IPv6+ext - (inner) L4 header offset (in 2-byte WORDs). For regular packet - offset from the beginning of the packet. For tunneled packet - offset from the beginning of the inner header */
198 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
199 #define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
200 #define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13
204 * Firmware data for L2-EDPM packet.
206 struct eth_edpm_fw_data
208 struct eth_tx_data_1st_bd data_1st_bd /* Parsing information data from the 1st BD. */;
209 struct eth_tx_data_2nd_bd data_2nd_bd /* Parsing information data from the 2nd BD. */;
217 struct eth_fast_path_cqe_fw_debug
219 __le16 reserved2 /* FW reserved. */;
224 * tunneling parsing flags
226 struct eth_tunnel_parsing_flags
229 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 /* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN (use enum eth_rx_tunn_type) */
230 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0
231 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1 /* If it s not an encapsulated packet then put 0x0. If it s an encapsulated packet but the tenant-id doesn t exist then put 0x0. Else put 0x1 */
232 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2
233 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3 /* Type of the next header above the tunneling: 0 - unknown, 1 - L2, 2 - Ipv4, 3 - IPv6 (use enum tunnel_next_protocol) */
234 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3
235 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1 /* The result of comparing the DA-ip of the tunnel header. */
236 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5
237 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1
238 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6
239 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1
240 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7
244 * PMD flow control bits
246 struct eth_pmd_flow_flags
249 #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 /* CQE valid bit */
250 #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0
251 #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */
252 #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1
253 #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F
254 #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2
258 * Regular ETH Rx FP CQE.
260 struct eth_fast_path_rx_reg_cqe
262 u8 type /* CQE type */;
264 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */
265 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
266 #define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF /* Traffic Class */
267 #define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
268 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
269 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7
270 __le16 pkt_len /* Total packet length (from the parser) */;
271 struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */;
272 __le16 vlan_tag /* 802.1q VLAN tag */;
273 __le32 rss_hash /* RSS hash result */;
274 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
275 u8 placement_offset /* Offset of placement from BD start */;
276 struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */;
277 u8 bd_num /* Number of BDs, used for packet */;
279 struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */;
281 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
286 * TPA-continue ETH Rx FP CQE.
288 struct eth_fast_path_rx_tpa_cont_cqe
290 u8 type /* CQE type */;
291 u8 tpa_agg_index /* TPA aggregation index */;
292 __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* List of the segment sizes */;
294 u8 reserved1 /* FW reserved. */;
295 __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */;
297 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
302 * TPA-end ETH Rx FP CQE .
304 struct eth_fast_path_rx_tpa_end_cqe
306 u8 type /* CQE type */;
307 u8 tpa_agg_index /* TPA aggregation index */;
308 __le16 total_packet_len /* Total aggregated packet length */;
309 u8 num_of_bds /* Total number of BDs comprising the packet */;
310 u8 end_reason /* Aggregation end reason. Use enum eth_tpa_end_reason */;
311 __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */;
312 __le32 ts_delta /* TCP timestamp delta */;
313 __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* List of the segment sizes */;
314 __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */;
316 u8 reserved2 /* FW reserved. */;
317 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
322 * TPA-start ETH Rx FP CQE.
324 struct eth_fast_path_rx_tpa_start_cqe
326 u8 type /* CQE type */;
328 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */
329 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
330 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF /* Traffic Class */
331 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
332 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
333 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
334 __le16 seg_len /* Segment length (packetLen from the parser) */;
335 struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */;
336 __le16 vlan_tag /* 802.1q VLAN tag */;
337 __le32 rss_hash /* RSS hash result */;
338 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
339 u8 placement_offset /* Offset of placement from BD start */;
340 struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */;
341 u8 tpa_agg_index /* TPA aggregation index */;
342 u8 header_len /* Packet L2+L3+L4 header length */;
343 __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE] /* Additional BDs length list. */;
344 struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */;
346 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
351 * The L4 pseudo checksum mode for Ethernet
353 enum eth_l4_pseudo_checksum_mode
355 ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH /* Pseudo Header checksum on packet is calculated with the correct packet length field. */,
356 ETH_L4_PSEUDO_CSUM_ZERO_LENGTH /* Pseudo Header checksum on packet is calculated with zero length field. */,
357 MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
364 struct regpair addr /* single continues buffer */;
369 * regular ETH Rx SP CQE
371 struct eth_slow_path_rx_cqe
373 u8 type /* CQE type */;
379 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
383 * union for all ETH Rx CQE types
387 struct eth_fast_path_rx_reg_cqe fast_path_regular /* Regular FP CQE */;
388 struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start /* TPA-start CQE */;
389 struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont /* TPA-continue CQE */;
390 struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end /* TPA-end CQE */;
391 struct eth_slow_path_rx_cqe slow_path /* SP CQE */;
400 ETH_RX_CQE_TYPE_UNUSED,
401 ETH_RX_CQE_TYPE_REGULAR /* Regular FP ETH Rx CQE */,
402 ETH_RX_CQE_TYPE_SLOW_PATH /* Slow path ETH Rx CQE */,
403 ETH_RX_CQE_TYPE_TPA_START /* TPA start ETH Rx CQE */,
404 ETH_RX_CQE_TYPE_TPA_CONT /* TPA Continue ETH Rx CQE */,
405 ETH_RX_CQE_TYPE_TPA_END /* TPA end ETH Rx CQE */,
411 * Wrapper for PD RX CQE - used in order to cover full cache line when writing CQE
413 struct eth_rx_pmd_cqe
415 union eth_rx_cqe cqe /* CQE data itself */;
416 u8 reserved[ETH_RX_CQE_GAP];
423 enum eth_rx_tunn_type
425 ETH_RX_NO_TUNN /* No Tunnel. */,
426 ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */,
427 ETH_RX_TUNN_GRE /* GRE Tunnel. */,
428 ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */,
435 * Aggregation end reason.
437 enum eth_tpa_end_reason
440 ETH_AGG_END_SP_UPDATE /* SP configuration update */,
441 ETH_AGG_END_MAX_LEN /* Maximum aggregation length or maximum buffer number used. */,
442 ETH_AGG_END_LAST_SEG /* TCP PSH flag or TCP payload length below continue threshold. */,
443 ETH_AGG_END_TIMEOUT /* Timeout expiration. */,
444 ETH_AGG_END_NOT_CONSISTENT /* Packet header not consistency: different IPv4 TOS, TTL or flags, IPv6 TC, Hop limit or Flow label, TCP header length or TS options. In GRO different TS value, SMAC, DMAC, ackNum, windowSize or VLAN */,
445 ETH_AGG_END_OUT_OF_ORDER /* Out of order or retransmission packet: sequence, ack or timestamp not consistent with previous segment. */,
446 ETH_AGG_END_NON_TPA_SEG /* Next segment cant be aggregated due to LLC/SNAP, IP error, IP fragment, IPv4 options, IPv6 extension, IP ECN = CE, TCP errors, TCP options, zero TCP payload length , TCP flags or not supported tunnel header options. */,
447 MAX_ETH_TPA_END_REASON
453 * The first tx bd of a given packet
457 struct regpair addr /* Single continuous buffer */;
458 __le16 nbytes /* Number of bytes in this BD. */;
459 struct eth_tx_data_1st_bd data /* Parsing information data. */;
465 * The second tx bd of a given packet
469 struct regpair addr /* Single continuous buffer */;
470 __le16 nbytes /* Number of bytes in this BD. */;
471 struct eth_tx_data_2nd_bd data /* Parsing information data. */;
476 * The parsing information data for the third tx bd of a given packet.
478 struct eth_tx_data_3rd_bd
480 __le16 lso_mss /* For LSO packet - the MSS in bytes. */;
482 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF /* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */
483 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
484 #define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF /* LSO - number of BDs which contain headers. value should be in range (1..ETH_TX_MAX_LSO_HDR_NBD). */
485 #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
486 #define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */
487 #define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
488 #define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
489 #define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
490 u8 tunn_l4_hdr_start_offset_w /* For tunnel with IPv6+ext - Pointer to the tunnel L4 Header (in 2-byte WORDs) */;
491 u8 tunn_hdr_size_w /* For tunnel with IPv6+ext - Total size of the Tunnel Header (in 2-byte WORDs) */;
495 * The third tx bd of a given packet
499 struct regpair addr /* Single continuous buffer */;
500 __le16 nbytes /* Number of bytes in this BD. */;
501 struct eth_tx_data_3rd_bd data /* Parsing information data. */;
506 * Complementary information for the regular tx bd of a given packet.
508 struct eth_tx_data_bd
512 #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
513 #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
514 #define ETH_TX_DATA_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */
515 #define ETH_TX_DATA_BD_START_BD_SHIFT 8
516 #define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
517 #define ETH_TX_DATA_BD_RESERVED2_SHIFT 9
522 * The common regular TX BD ring element
526 struct regpair addr /* Single continuous buffer */;
527 __le16 nbytes /* Number of bytes in this BD. */;
528 struct eth_tx_data_bd data /* Complementary information. */;
532 union eth_tx_bd_types
534 struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */;
535 struct eth_tx_2nd_bd second_bd /* The second tx bd of a given packet */;
536 struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */;
537 struct eth_tx_bd reg_bd /* The common non-special bd */;
548 enum eth_tx_tunn_type
550 ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */,
551 ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */,
552 ETH_TX_TUNN_GRE /* GRE Tunnel. */,
553 ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */,
561 struct xstorm_eth_queue_zone
563 struct coalescing_timeset int_coalescing_timeset /* Tx interrupt coalescing TimeSet */;
574 #define ETH_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */
575 #define ETH_DB_DATA_DEST_SHIFT 0
576 #define ETH_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */
577 #define ETH_DB_DATA_AGG_CMD_SHIFT 2
578 #define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */
579 #define ETH_DB_DATA_BYPASS_EN_SHIFT 4
580 #define ETH_DB_DATA_RESERVED_MASK 0x1
581 #define ETH_DB_DATA_RESERVED_SHIFT 5
582 #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */
583 #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6
584 u8 agg_flags /* bit for every DQ counter flags in CM context that DQ can increment */;
588 #endif /* __ETH_COMMON__ */