1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
8 /* In QLEN must be whole number of 32 descriptors. */
9 #define IAVF_ALIGN_RING_DESC 32
10 #define IAVF_MIN_RING_DESC 64
11 #define IAVF_MAX_RING_DESC 4096
12 #define IAVF_DMA_MEM_ALIGN 4096
13 /* Base address of the HW descriptor ring should be 128B aligned. */
14 #define IAVF_RING_BASE_ALIGN 128
16 /* used for Rx Bulk Allocate */
17 #define IAVF_RX_MAX_BURST 32
19 /* used for Vector PMD */
20 #define IAVF_VPMD_RX_MAX_BURST 32
21 #define IAVF_VPMD_TX_MAX_BURST 32
22 #define IAVF_RXQ_REARM_THRESH 32
23 #define IAVF_VPMD_DESCS_PER_LOOP 4
24 #define IAVF_VPMD_TX_MAX_FREE_BUF 64
26 #define IAVF_NO_VECTOR_FLAGS ( \
27 DEV_TX_OFFLOAD_MULTI_SEGS | \
28 DEV_TX_OFFLOAD_VLAN_INSERT | \
29 DEV_TX_OFFLOAD_SCTP_CKSUM | \
30 DEV_TX_OFFLOAD_UDP_CKSUM | \
31 DEV_TX_OFFLOAD_TCP_TSO | \
32 DEV_TX_OFFLOAD_TCP_CKSUM)
34 #define DEFAULT_TX_RS_THRESH 32
35 #define DEFAULT_TX_FREE_THRESH 32
37 #define IAVF_MIN_TSO_MSS 256
38 #define IAVF_MAX_TSO_MSS 9668
39 #define IAVF_TSO_MAX_SEG UINT8_MAX
40 #define IAVF_TX_MAX_MTU_SEG 8
42 #define IAVF_TX_CKSUM_OFFLOAD_MASK ( \
47 #define IAVF_TX_OFFLOAD_MASK ( \
57 #define IAVF_TX_OFFLOAD_NOTSUP_MASK \
58 (PKT_TX_OFFLOAD_MASK ^ IAVF_TX_OFFLOAD_MASK)
60 /* HW desc structure, both 16-byte and 32-byte types are supported */
61 #ifdef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
62 #define iavf_rx_desc iavf_16byte_rx_desc
63 #define iavf_rx_flex_desc iavf_16b_rx_flex_desc
65 #define iavf_rx_desc iavf_32byte_rx_desc
66 #define iavf_rx_flex_desc iavf_32b_rx_flex_desc
70 void (*release_mbufs)(struct iavf_rx_queue *rxq);
74 void (*release_mbufs)(struct iavf_tx_queue *txq);
77 /* Structure associated with each Rx queue. */
78 struct iavf_rx_queue {
79 struct rte_mempool *mp; /* mbuf pool to populate Rx ring */
80 const struct rte_memzone *mz; /* memzone for Rx ring */
81 volatile union iavf_rx_desc *rx_ring; /* Rx ring virtual address */
82 uint64_t rx_ring_phys_addr; /* Rx ring DMA address */
83 struct rte_mbuf **sw_ring; /* address of SW ring */
84 uint16_t nb_rx_desc; /* ring length */
85 uint16_t rx_tail; /* current value of tail */
86 volatile uint8_t *qrx_tail; /* register address of tail */
87 uint16_t rx_free_thresh; /* max free RX desc to hold */
88 uint16_t nb_rx_hold; /* number of held free RX desc */
89 struct rte_mbuf *pkt_first_seg; /* first segment of current packet */
90 struct rte_mbuf *pkt_last_seg; /* last segment of current packet */
91 struct rte_mbuf fake_mbuf; /* dummy mbuf */
95 uint16_t rxrearm_nb; /* number of remaining to be re-armed */
96 uint16_t rxrearm_start; /* the idx we start the re-arming from */
97 uint64_t mbuf_initializer; /* value to init mbufs */
100 uint16_t rx_nb_avail; /* number of staged packets ready */
101 uint16_t rx_next_avail; /* index of next staged packets */
102 uint16_t rx_free_trigger; /* triggers rx buffer allocation */
103 struct rte_mbuf *rx_stage[IAVF_RX_MAX_BURST * 2]; /* store mbuf */
105 uint16_t port_id; /* device port ID */
106 uint8_t crc_len; /* 0 if CRC stripped, 4 otherwise */
107 uint8_t fdir_enabled; /* 0 if FDIR disabled, 1 when enabled */
108 uint16_t queue_id; /* Rx queue index */
109 uint16_t rx_buf_len; /* The packet buffer size */
110 uint16_t rx_hdr_len; /* The header buffer size */
111 uint16_t max_pkt_len; /* Maximum packet length */
112 struct iavf_vsi *vsi; /**< the VSI this queue belongs to */
114 bool q_set; /* if rx queue has been configured */
115 bool rx_deferred_start; /* don't start this queue in dev start */
116 const struct iavf_rxq_ops *ops;
119 struct iavf_tx_entry {
120 struct rte_mbuf *mbuf;
125 /* Structure associated with each TX queue. */
126 struct iavf_tx_queue {
127 const struct rte_memzone *mz; /* memzone for Tx ring */
128 volatile struct iavf_tx_desc *tx_ring; /* Tx ring virtual address */
129 uint64_t tx_ring_phys_addr; /* Tx ring DMA address */
130 struct iavf_tx_entry *sw_ring; /* address array of SW ring */
131 uint16_t nb_tx_desc; /* ring length */
132 uint16_t tx_tail; /* current value of tail */
133 volatile uint8_t *qtx_tail; /* register address of tail */
134 /* number of used desc since RS bit set */
137 uint16_t last_desc_cleaned; /* last desc have been cleaned*/
138 uint16_t free_thresh;
144 uint16_t next_dd; /* next to set RS, for VPMD */
145 uint16_t next_rs; /* next to check DD, for VPMD */
147 bool q_set; /* if rx queue has been configured */
148 bool tx_deferred_start; /* don't start this queue in dev start */
149 const struct iavf_txq_ops *ops;
152 /* Offload features */
153 union iavf_tx_offload {
156 uint64_t l2_len:7; /* L2 (MAC) Header Length. */
157 uint64_t l3_len:9; /* L3 (IP) Header Length. */
158 uint64_t l4_len:8; /* L4 Header Length. */
159 uint64_t tso_segsz:16; /* TCP TSO segment size */
160 /* uint64_t unused : 24; */
164 /* Rx Flex Descriptors
165 * These descriptors are used instead of the legacy version descriptors
167 union iavf_16b_rx_flex_desc {
169 __le64 pkt_addr; /* Packet buffer address */
170 __le64 hdr_addr; /* Header buffer address */
171 /* bit 0 of hdr_addr is DD bit */
175 u8 rxdid; /* descriptor builder profile ID */
176 u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
177 __le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
178 __le16 pkt_len; /* [15:14] are reserved */
179 __le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
181 /* ff1/ext=[15:12] */
184 __le16 status_error0;
188 } wb; /* writeback */
191 union iavf_32b_rx_flex_desc {
193 __le64 pkt_addr; /* Packet buffer address */
194 __le64 hdr_addr; /* Header buffer address */
195 /* bit 0 of hdr_addr is DD bit */
201 u8 rxdid; /* descriptor builder profile ID */
202 u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
203 __le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
204 __le16 pkt_len; /* [15:14] are reserved */
205 __le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
207 /* ff1/ext=[15:12] */
210 __le16 status_error0;
216 __le16 status_error1;
232 } wb; /* writeback */
235 /* Rx Flex Descriptor
236 * RxDID Profile ID 16-21
237 * Flex-field 0: RSS hash lower 16-bits
238 * Flex-field 1: RSS hash upper 16-bits
239 * Flex-field 2: Flow ID lower 16-bits
240 * Flex-field 3: Flow ID upper 16-bits
244 struct iavf_32b_rx_flex_desc_comms {
248 __le16 ptype_flexi_flags0;
250 __le16 hdr_len_sph_flex_flags1;
253 __le16 status_error0;
258 __le16 status_error1;
275 /* Rx Flex Descriptor
276 * RxDID Profile ID 22-23 (swap Hash and FlowID)
277 * Flex-field 0: Flow ID lower 16-bits
278 * Flex-field 1: Flow ID upper 16-bits
279 * Flex-field 2: RSS hash lower 16-bits
280 * Flex-field 3: RSS hash upper 16-bits
284 struct iavf_32b_rx_flex_desc_comms_ovs {
288 __le16 ptype_flexi_flags0;
290 __le16 hdr_len_sph_flex_flags1;
293 __le16 status_error0;
298 __le16 status_error1;
315 /* Receive Flex Descriptor profile IDs: There are a total
316 * of 64 profiles where profile IDs 0/1 are for legacy; and
317 * profiles 2-63 are flex profiles that can be programmed
318 * with a specific metadata (profile 7 reserved for HW)
321 IAVF_RXDID_LEGACY_0 = 0,
322 IAVF_RXDID_LEGACY_1 = 1,
323 IAVF_RXDID_FLEX_NIC = 2,
324 IAVF_RXDID_FLEX_NIC_2 = 6,
326 IAVF_RXDID_COMMS_GENERIC = 16,
327 IAVF_RXDID_COMMS_AUX_VLAN = 17,
328 IAVF_RXDID_COMMS_AUX_IPV4 = 18,
329 IAVF_RXDID_COMMS_AUX_IPV6 = 19,
330 IAVF_RXDID_COMMS_AUX_IPV6_FLOW = 20,
331 IAVF_RXDID_COMMS_AUX_TCP = 21,
332 IAVF_RXDID_COMMS_OVS_1 = 22,
333 IAVF_RXDID_COMMS_OVS_2 = 23,
334 IAVF_RXDID_LAST = 63,
337 enum iavf_rx_flex_desc_status_error_0_bits {
338 /* Note: These are predefined bit offsets */
339 IAVF_RX_FLEX_DESC_STATUS0_DD_S = 0,
340 IAVF_RX_FLEX_DESC_STATUS0_EOF_S,
341 IAVF_RX_FLEX_DESC_STATUS0_HBO_S,
342 IAVF_RX_FLEX_DESC_STATUS0_L3L4P_S,
343 IAVF_RX_FLEX_DESC_STATUS0_XSUM_IPE_S,
344 IAVF_RX_FLEX_DESC_STATUS0_XSUM_L4E_S,
345 IAVF_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S,
346 IAVF_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,
347 IAVF_RX_FLEX_DESC_STATUS0_LPBK_S,
348 IAVF_RX_FLEX_DESC_STATUS0_IPV6EXADD_S,
349 IAVF_RX_FLEX_DESC_STATUS0_RXE_S,
350 IAVF_RX_FLEX_DESC_STATUS0_CRCP_S,
351 IAVF_RX_FLEX_DESC_STATUS0_RSS_VALID_S,
352 IAVF_RX_FLEX_DESC_STATUS0_L2TAG1P_S,
353 IAVF_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S,
354 IAVF_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S,
355 IAVF_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
358 /* for iavf_32b_rx_flex_desc.ptype_flex_flags0 member */
359 #define IAVF_RX_FLEX_DESC_PTYPE_M (0x3FF) /* 10-bits */
361 /* for iavf_32b_rx_flex_desc.pkt_len member */
362 #define IAVF_RX_FLX_DESC_PKT_LEN_M (0x3FFF) /* 14-bits */
364 int iavf_dev_rx_queue_setup(struct rte_eth_dev *dev,
367 unsigned int socket_id,
368 const struct rte_eth_rxconf *rx_conf,
369 struct rte_mempool *mp);
371 int iavf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id);
372 int iavf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id);
373 void iavf_dev_rx_queue_release(void *rxq);
375 int iavf_dev_tx_queue_setup(struct rte_eth_dev *dev,
378 unsigned int socket_id,
379 const struct rte_eth_txconf *tx_conf);
380 int iavf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
381 int iavf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
382 void iavf_dev_tx_queue_release(void *txq);
383 void iavf_stop_queues(struct rte_eth_dev *dev);
384 uint16_t iavf_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
386 uint16_t iavf_recv_pkts_flex_rxd(void *rx_queue,
387 struct rte_mbuf **rx_pkts,
389 uint16_t iavf_recv_scattered_pkts(void *rx_queue,
390 struct rte_mbuf **rx_pkts,
392 uint16_t iavf_recv_scattered_pkts_flex_rxd(void *rx_queue,
393 struct rte_mbuf **rx_pkts,
395 uint16_t iavf_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
397 uint16_t iavf_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
399 void iavf_set_rx_function(struct rte_eth_dev *dev);
400 void iavf_set_tx_function(struct rte_eth_dev *dev);
401 void iavf_dev_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
402 struct rte_eth_rxq_info *qinfo);
403 void iavf_dev_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
404 struct rte_eth_txq_info *qinfo);
405 uint32_t iavf_dev_rxq_count(struct rte_eth_dev *dev, uint16_t queue_id);
406 int iavf_dev_rx_desc_status(void *rx_queue, uint16_t offset);
407 int iavf_dev_tx_desc_status(void *tx_queue, uint16_t offset);
409 uint16_t iavf_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
411 uint16_t iavf_recv_pkts_vec_flex_rxd(void *rx_queue, struct rte_mbuf **rx_pkts,
413 uint16_t iavf_recv_scattered_pkts_vec(void *rx_queue,
414 struct rte_mbuf **rx_pkts,
416 uint16_t iavf_recv_scattered_pkts_vec_flex_rxd(void *rx_queue,
417 struct rte_mbuf **rx_pkts,
419 uint16_t iavf_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
421 uint16_t iavf_recv_pkts_vec_avx2(void *rx_queue, struct rte_mbuf **rx_pkts,
423 uint16_t iavf_recv_pkts_vec_avx2_flex_rxd(void *rx_queue,
424 struct rte_mbuf **rx_pkts,
426 uint16_t iavf_recv_scattered_pkts_vec_avx2(void *rx_queue,
427 struct rte_mbuf **rx_pkts,
429 uint16_t iavf_recv_scattered_pkts_vec_avx2_flex_rxd(void *rx_queue,
430 struct rte_mbuf **rx_pkts,
432 uint16_t iavf_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
434 uint16_t iavf_xmit_pkts_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts,
436 int iavf_rx_vec_dev_check(struct rte_eth_dev *dev);
437 int iavf_tx_vec_dev_check(struct rte_eth_dev *dev);
438 int iavf_rxq_vec_setup(struct iavf_rx_queue *rxq);
439 int iavf_txq_vec_setup(struct iavf_tx_queue *txq);
441 const uint32_t *iavf_get_default_ptype_table(void);
444 void iavf_dump_rx_descriptor(struct iavf_rx_queue *rxq,
445 const volatile void *desc,
448 #ifdef RTE_LIBRTE_IAVF_16BYTE_RX_DESC
449 const volatile union iavf_16byte_rx_desc *rx_desc = desc;
451 printf("Queue %d Rx_desc %d: QW0: 0x%016"PRIx64" QW1: 0x%016"PRIx64"\n",
452 rxq->queue_id, rx_id, rx_desc->read.pkt_addr,
453 rx_desc->read.hdr_addr);
455 const volatile union iavf_32byte_rx_desc *rx_desc = desc;
457 printf("Queue %d Rx_desc %d: QW0: 0x%016"PRIx64" QW1: 0x%016"PRIx64
458 " QW2: 0x%016"PRIx64" QW3: 0x%016"PRIx64"\n", rxq->queue_id,
459 rx_id, rx_desc->read.pkt_addr, rx_desc->read.hdr_addr,
460 rx_desc->read.rsvd1, rx_desc->read.rsvd2);
464 /* All the descriptors are 16 bytes, so just use one of them
465 * to print the qwords
468 void iavf_dump_tx_descriptor(const struct iavf_tx_queue *txq,
469 const volatile void *desc, uint16_t tx_id)
472 const volatile struct iavf_tx_desc *tx_desc = desc;
473 enum iavf_tx_desc_dtype_value type;
475 type = (enum iavf_tx_desc_dtype_value)rte_le_to_cpu_64(
476 tx_desc->cmd_type_offset_bsz &
477 rte_cpu_to_le_64(IAVF_TXD_QW1_DTYPE_MASK));
479 case IAVF_TX_DESC_DTYPE_DATA:
480 name = "Tx_data_desc";
482 case IAVF_TX_DESC_DTYPE_CONTEXT:
483 name = "Tx_context_desc";
486 name = "unknown_desc";
490 printf("Queue %d %s %d: QW0: 0x%016"PRIx64" QW1: 0x%016"PRIx64"\n",
491 txq->queue_id, name, tx_id, tx_desc->buffer_addr,
492 tx_desc->cmd_type_offset_bsz);
495 #define FDIR_PROC_ENABLE_PER_QUEUE(ad, on) do { \
497 for (i = 0; i < (ad)->eth_dev->data->nb_rx_queues; i++) { \
498 struct iavf_rx_queue *rxq = (ad)->eth_dev->data->rx_queues[i]; \
501 rxq->fdir_enabled = on; \
503 PMD_DRV_LOG(DEBUG, "FDIR processing on RX set to %d", on); \
506 /* Enable/disable flow director Rx processing in data path. */
508 void iavf_fdir_rx_proc_enable(struct iavf_adapter *ad, bool on)
511 /* enable flow director processing */
512 FDIR_PROC_ENABLE_PER_QUEUE(ad, on);
515 if (ad->fdir_ref_cnt >= 1) {
518 if (ad->fdir_ref_cnt == 0)
519 FDIR_PROC_ENABLE_PER_QUEUE(ad, on);
524 #ifdef RTE_LIBRTE_IAVF_DEBUG_DUMP_DESC
525 #define IAVF_DUMP_RX_DESC(rxq, desc, rx_id) \
526 iavf_dump_rx_descriptor(rxq, desc, rx_id)
527 #define IAVF_DUMP_TX_DESC(txq, desc, tx_id) \
528 iavf_dump_tx_descriptor(txq, desc, tx_id)
530 #define IAVF_DUMP_RX_DESC(rxq, desc, rx_id) do { } while (0)
531 #define IAVF_DUMP_TX_DESC(txq, desc, tx_id) do { } while (0)
534 #endif /* _IAVF_RXTX_H_ */