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32 #ifndef __ETH_COMMON__
33 #define __ETH_COMMON__
34 /********************/
35 /* ETH FW CONSTANTS */
36 /********************/
38 /* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major && fwVer.minor >= drvVer.minor) */
39 #define ETH_HSI_VER_MAJOR 3 /* ETH FP HSI Major version */
40 #define ETH_HSI_VER_MINOR 10 /* ETH FP HSI Minor version */
42 #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. */
44 #define ETH_CACHE_LINE_SIZE 64
45 #define ETH_RX_CQE_GAP 32
46 #define ETH_MAX_RAMROD_PER_CON 8
47 #define ETH_TX_BD_PAGE_SIZE_BYTES 4096
48 #define ETH_RX_BD_PAGE_SIZE_BYTES 4096
49 #define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
50 #define ETH_RX_NUM_NEXT_PAGE_BDS 2
52 /* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP header (relevant to LSO for tunneled packet): */
53 #define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253 /* Offset is limited to 253 bytes (inclusive). */
54 #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251 /* Offset is limited to 251 bytes (inclusive). */
56 #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
57 #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
58 #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255
59 #define ETH_TX_MAX_LSO_HDR_NBD 4
60 #define ETH_TX_MIN_BDS_PER_LSO_PKT 3
61 #define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3
62 #define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2
63 #define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2
64 #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) */
65 #define ETH_TX_MAX_LSO_HDR_BYTES 510
66 #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) */
67 #define ETH_TX_LSO_WINDOW_MIN_LEN 9700 /* Minimum data length (in bytes) in LSO sliding window */
68 #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000 /* Maximum LSO packet TCP payload length (in bytes) */
69 #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320 /* Number of same-as-last resources in tx switching */
70 #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF /* Value for a connection for which same as last feature is disabled */
72 #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS /* Maximum number of statistics counters */
73 #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 */
74 #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 */
76 #define ETH_RX_MAX_BUFF_PER_PKT 5 /* Maximum number of buffers, used for RX packet placement */
77 #define ETH_RX_BD_THRESHOLD 12 /* Minimum number of free BDs in RX ring, that guarantee receiving of at least one RX packet. */
79 /* num of MAC/VLAN filters */
80 #define ETH_NUM_MAC_FILTERS 512
81 #define ETH_NUM_VLAN_FILTERS 512
83 /* approx. multicast constants */
84 #define ETH_MULTICAST_BIN_FROM_MAC_SEED 0 /* CRC seed for multicast bin calculation */
85 #define ETH_MULTICAST_MAC_BINS 256
86 #define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32)
88 /* ethernet vport update constants */
89 #define ETH_FILTER_RULES_COUNT 10
90 #define ETH_RSS_IND_TABLE_ENTRIES_NUM 128 /* number of RSS indirection table entries, per Vport) */
91 #define ETH_RSS_KEY_SIZE_REGS 10 /* Length of RSS key (in regs) */
92 #define ETH_RSS_ENGINE_NUM_K2 207 /* number of available RSS engines in K2 */
93 #define ETH_RSS_ENGINE_NUM_BB 127 /* number of available RSS engines in BB */
96 #define ETH_TPA_MAX_AGGS_NUM 64 /* Maximum number of open TPA aggregations */
97 #define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT /* Maximum number of additional buffers, reported by TPA-start CQE */
98 #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6 /* Maximum number of buffers, reported by TPA-continue CQE */
99 #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4 /* Maximum number of buffers, reported by TPA-end CQE */
101 /* Control frame check constants */
102 #define ETH_CTL_FRAME_ETH_TYPE_NUM 4 /* Number of etherType values configured by the driver for control frame check */
105 #define ETH_GFT_TRASHCAN_VPORT 0x1FF /* GFT drop flow vport number */
110 * Destination port mode
114 DEST_PORT_PHY /* Send to physical port. */,
115 DEST_PORT_LOOPBACK /* Send to loopback port. */,
116 DEST_PORT_PHY_LOOPBACK /* Send to physical and loopback port. */,
117 DEST_PORT_DROP /* Drop the packet in PBF. */,
123 * Ethernet address type
135 struct eth_tx_1st_bd_flags
138 #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1 /* Set to 1 in the first BD. (for debug) */
139 #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
140 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1 /* Do not allow additional VLAN manipulations on this packet. */
141 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
142 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1 /* Recalculate IP checksum. For tunneled packet - relevant to inner header. */
143 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
144 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1 /* Recalculate TCP/UDP checksum. For tunneled packet - relevant to inner header. */
145 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
146 #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. */
147 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
148 #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. */
149 #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
150 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1 /* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */
151 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
152 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */
153 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
157 * The parsing information data for the first tx bd of a given packet.
159 struct eth_tx_data_1st_bd
161 __le16 vlan /* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */;
162 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. */;
163 struct eth_tx_1st_bd_flags bd_flags;
165 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1 /* Indicates a tunneled packet. Must be set for encapsulated packet. */
166 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0
167 #define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1
168 #define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1
169 #define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF /* Total packet length - must be filled for non-LSO packets. */
170 #define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2
174 * The parsing information data for the second tx bd of a given packet.
176 struct eth_tx_data_2nd_bd
178 __le16 tunn_ip_size /* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */;
180 #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) */
181 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
182 #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) */
183 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
184 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3 /* Destination port mode. (use enum dest_port_mode) */
185 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
186 #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */
187 #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
188 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */
189 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
190 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1 /* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */
191 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
192 #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. */
193 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
194 #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) */
195 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
196 #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) */
197 #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
198 #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) */
199 #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
201 #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 */
202 #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
203 #define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
204 #define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13
208 * Firmware data for L2-EDPM packet.
210 struct eth_edpm_fw_data
212 struct eth_tx_data_1st_bd data_1st_bd /* Parsing information data from the 1st BD. */;
213 struct eth_tx_data_2nd_bd data_2nd_bd /* Parsing information data from the 2nd BD. */;
219 * tunneling parsing flags
221 struct eth_tunnel_parsing_flags
224 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 /* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN (use enum eth_rx_tunn_type) */
225 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0
226 #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 */
227 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2
228 #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) */
229 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3
230 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1 /* The result of comparing the DA-ip of the tunnel header. */
231 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5
232 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1
233 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6
234 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1
235 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7
239 * PMD flow control bits
241 struct eth_pmd_flow_flags
244 #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 /* CQE valid bit */
245 #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0
246 #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */
247 #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1
248 #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F
249 #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2
253 * Regular ETH Rx FP CQE.
255 struct eth_fast_path_rx_reg_cqe
257 u8 type /* CQE type (use enum eth_rx_cqe_type) */;
259 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */
260 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
261 #define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF /* Traffic Class */
262 #define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
263 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
264 #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7
265 __le16 pkt_len /* Total packet length (from the parser) */;
266 struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */;
267 __le16 vlan_tag /* 802.1q VLAN tag */;
268 __le32 rss_hash /* RSS hash result */;
269 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
270 u8 placement_offset /* Offset of placement from BD start */;
271 struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */;
272 u8 bd_num /* Number of BDs, used for packet */;
274 __le16 flow_id /* aRFS flow ID. */;
276 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
281 * TPA-continue ETH Rx FP CQE.
283 struct eth_fast_path_rx_tpa_cont_cqe
285 u8 type /* CQE type (use enum eth_rx_cqe_type) */;
286 u8 tpa_agg_index /* TPA aggregation index */;
287 __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* List of the segment sizes */;
289 u8 reserved1 /* FW reserved. */;
290 __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */;
292 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
297 * TPA-end ETH Rx FP CQE .
299 struct eth_fast_path_rx_tpa_end_cqe
301 u8 type /* CQE type (use enum eth_rx_cqe_type) */;
302 u8 tpa_agg_index /* TPA aggregation index */;
303 __le16 total_packet_len /* Total aggregated packet length */;
304 u8 num_of_bds /* Total number of BDs comprising the packet */;
305 u8 end_reason /* Aggregation end reason. Use enum eth_tpa_end_reason */;
306 __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */;
307 __le32 ts_delta /* TCP timestamp delta */;
308 __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* List of the segment sizes */;
309 __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */;
311 u8 reserved2 /* FW reserved. */;
312 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
317 * TPA-start ETH Rx FP CQE.
319 struct eth_fast_path_rx_tpa_start_cqe
321 u8 type /* CQE type (use enum eth_rx_cqe_type) */;
323 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */
324 #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
325 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF /* Traffic Class */
326 #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
327 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
328 #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
329 __le16 seg_len /* Segment length (packetLen from the parser) */;
330 struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */;
331 __le16 vlan_tag /* 802.1q VLAN tag */;
332 __le32 rss_hash /* RSS hash result */;
333 __le16 len_on_first_bd /* Number of bytes placed on first BD */;
334 u8 placement_offset /* Offset of placement from BD start */;
335 struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */;
336 u8 tpa_agg_index /* TPA aggregation index */;
337 u8 header_len /* Packet L2+L3+L4 header length */;
338 __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE] /* Additional BDs length list. */;
339 __le16 flow_id /* aRFS flow ID. */;
341 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
346 * The L4 pseudo checksum mode for Ethernet
348 enum eth_l4_pseudo_checksum_mode
350 ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH /* Pseudo Header checksum on packet is calculated with the correct packet length field. */,
351 ETH_L4_PSEUDO_CSUM_ZERO_LENGTH /* Pseudo Header checksum on packet is calculated with zero length field. */,
352 MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
359 struct regpair addr /* single continues buffer */;
364 * regular ETH Rx SP CQE
366 struct eth_slow_path_rx_cqe
368 u8 type /* CQE type (use enum eth_rx_cqe_type) */;
374 struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */;
378 * union for all ETH Rx CQE types
382 struct eth_fast_path_rx_reg_cqe fast_path_regular /* Regular FP CQE */;
383 struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start /* TPA-start CQE */;
384 struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont /* TPA-continue CQE */;
385 struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end /* TPA-end CQE */;
386 struct eth_slow_path_rx_cqe slow_path /* SP CQE */;
395 ETH_RX_CQE_TYPE_UNUSED,
396 ETH_RX_CQE_TYPE_REGULAR /* Regular FP ETH Rx CQE */,
397 ETH_RX_CQE_TYPE_SLOW_PATH /* Slow path ETH Rx CQE */,
398 ETH_RX_CQE_TYPE_TPA_START /* TPA start ETH Rx CQE */,
399 ETH_RX_CQE_TYPE_TPA_CONT /* TPA Continue ETH Rx CQE */,
400 ETH_RX_CQE_TYPE_TPA_END /* TPA end ETH Rx CQE */,
406 * Wrapper for PD RX CQE - used in order to cover full cache line when writing CQE
408 struct eth_rx_pmd_cqe
410 union eth_rx_cqe cqe /* CQE data itself */;
411 u8 reserved[ETH_RX_CQE_GAP];
418 enum eth_rx_tunn_type
420 ETH_RX_NO_TUNN /* No Tunnel. */,
421 ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */,
422 ETH_RX_TUNN_GRE /* GRE Tunnel. */,
423 ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */,
430 * Aggregation end reason.
432 enum eth_tpa_end_reason
435 ETH_AGG_END_SP_UPDATE /* SP configuration update */,
436 ETH_AGG_END_MAX_LEN /* Maximum aggregation length or maximum buffer number used. */,
437 ETH_AGG_END_LAST_SEG /* TCP PSH flag or TCP payload length below continue threshold. */,
438 ETH_AGG_END_TIMEOUT /* Timeout expiration. */,
439 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 */,
440 ETH_AGG_END_OUT_OF_ORDER /* Out of order or retransmission packet: sequence, ack or timestamp not consistent with previous segment. */,
441 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. */,
442 MAX_ETH_TPA_END_REASON
448 * The first tx bd of a given packet
452 struct regpair addr /* Single continuous buffer */;
453 __le16 nbytes /* Number of bytes in this BD. */;
454 struct eth_tx_data_1st_bd data /* Parsing information data. */;
460 * The second tx bd of a given packet
464 struct regpair addr /* Single continuous buffer */;
465 __le16 nbytes /* Number of bytes in this BD. */;
466 struct eth_tx_data_2nd_bd data /* Parsing information data. */;
471 * The parsing information data for the third tx bd of a given packet.
473 struct eth_tx_data_3rd_bd
475 __le16 lso_mss /* For LSO packet - the MSS in bytes. */;
477 #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) */
478 #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
479 #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). */
480 #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
481 #define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */
482 #define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
483 #define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
484 #define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
485 u8 tunn_l4_hdr_start_offset_w /* For tunnel with IPv6+ext - Pointer to the tunnel L4 Header (in 2-byte WORDs) */;
486 u8 tunn_hdr_size_w /* For tunnel with IPv6+ext - Total size of the Tunnel Header (in 2-byte WORDs) */;
490 * The third tx bd of a given packet
494 struct regpair addr /* Single continuous buffer */;
495 __le16 nbytes /* Number of bytes in this BD. */;
496 struct eth_tx_data_3rd_bd data /* Parsing information data. */;
501 * Complementary information for the regular tx bd of a given packet.
503 struct eth_tx_data_bd
507 #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
508 #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
509 #define ETH_TX_DATA_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */
510 #define ETH_TX_DATA_BD_START_BD_SHIFT 8
511 #define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
512 #define ETH_TX_DATA_BD_RESERVED2_SHIFT 9
517 * The common regular TX BD ring element
521 struct regpair addr /* Single continuous buffer */;
522 __le16 nbytes /* Number of bytes in this BD. */;
523 struct eth_tx_data_bd data /* Complementary information. */;
527 union eth_tx_bd_types
529 struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */;
530 struct eth_tx_2nd_bd second_bd /* The second tx bd of a given packet */;
531 struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */;
532 struct eth_tx_bd reg_bd /* The common non-special bd */;
543 enum eth_tx_tunn_type
545 ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */,
546 ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */,
547 ETH_TX_TUNN_GRE /* GRE Tunnel. */,
548 ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */,
556 struct xstorm_eth_queue_zone
558 struct coalescing_timeset int_coalescing_timeset /* Tx interrupt coalescing TimeSet */;
569 #define ETH_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */
570 #define ETH_DB_DATA_DEST_SHIFT 0
571 #define ETH_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */
572 #define ETH_DB_DATA_AGG_CMD_SHIFT 2
573 #define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */
574 #define ETH_DB_DATA_BYPASS_EN_SHIFT 4
575 #define ETH_DB_DATA_RESERVED_MASK 0x1
576 #define ETH_DB_DATA_RESERVED_SHIFT 5
577 #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */
578 #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6
579 u8 agg_flags /* bit for every DQ counter flags in CM context that DQ can increment */;
589 RSS_HASH_TYPE_DEFAULT=0,
590 RSS_HASH_TYPE_IPV4=1,
591 RSS_HASH_TYPE_TCP_IPV4=2,
592 RSS_HASH_TYPE_IPV6=3,
593 RSS_HASH_TYPE_TCP_IPV6=4,
594 RSS_HASH_TYPE_UDP_IPV4=5,
595 RSS_HASH_TYPE_UDP_IPV6=6,
599 #endif /* __ETH_COMMON__ */