1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Marvell RVU Ethernet driver
4 * Copyright (C) 2020 Marvell.
11 #include <linux/ethtool.h>
12 #include <linux/pci.h>
13 #include <linux/iommu.h>
14 #include <linux/net_tstamp.h>
15 #include <linux/ptp_clock_kernel.h>
16 #include <linux/timecounter.h>
17 #include <linux/soc/marvell/octeontx2/asm.h>
18 #include <net/macsec.h>
19 #include <net/pkt_cls.h>
20 #include <net/devlink.h>
21 #include <linux/time64.h>
22 #include <linux/dim.h>
23 #include <uapi/linux/if_macsec.h>
28 #include "otx2_txrx.h"
29 #include "otx2_devlink.h"
30 #include <rvu_trace.h>
33 /* IPv4 flag more fragment bit */
34 #define IPV4_FLAG_MORE 0x20
37 #define PCI_DEVID_OCTEONTX2_RVU_PF 0xA063
38 #define PCI_DEVID_OCTEONTX2_RVU_VF 0xA064
39 #define PCI_DEVID_OCTEONTX2_RVU_AFVF 0xA0F8
41 #define PCI_SUBSYS_DEVID_96XX_RVU_PFVF 0xB200
42 #define PCI_SUBSYS_DEVID_CN10K_B_RVU_PFVF 0xBD00
45 #define PCI_CFG_REG_BAR_NUM 2
46 #define PCI_MBOX_BAR_NUM 4
51 /* Max priority supported for PFC */
52 #define NIX_PF_PFC_PRIO_MAX 8
55 enum arua_mapped_qtypes {
60 /* NIX LF interrupts range*/
61 #define NIX_LF_QINT_VEC_START 0x00
62 #define NIX_LF_CINT_VEC_START 0x40
63 #define NIX_LF_GINT_VEC 0x80
64 #define NIX_LF_ERR_VEC 0x81
65 #define NIX_LF_POISON_VEC 0x82
67 /* Send skid of 2000 packets required for CQ size of 4K CQEs. */
68 #define SEND_CQ_SKID 2000
70 #define OTX2_GET_RX_STATS(reg) \
71 otx2_read64(pfvf, NIX_LF_RX_STATX(reg))
72 #define OTX2_GET_TX_STATS(reg) \
73 otx2_read64(pfvf, NIX_LF_TX_STATX(reg))
75 struct otx2_lmt_info {
79 /* RSS configuration */
81 u8 ind_tbl[MAX_RSS_INDIR_TBL_SIZE];
84 struct otx2_rss_info {
88 #define RSS_HASH_KEY_SIZE 44 /* 352 bit key */
89 u8 key[RSS_HASH_KEY_SIZE];
90 struct otx2_rss_ctx *rss_ctx[MAX_RSS_GROUPS];
93 /* NIX (or NPC) RX errors */
104 NPC_ERRLVL_NIX = 0x0F,
107 enum otx2_errcodes_re {
108 /* NPC_ERRLVL_RE errcodes */
110 ERRCODE_FCS_RCV = 0x8,
111 ERRCODE_UNDERSIZE = 0x10,
112 ERRCODE_OVERSIZE = 0x11,
113 ERRCODE_OL2_LEN_MISMATCH = 0x12,
114 /* NPC_ERRLVL_NIX errcodes */
115 ERRCODE_OL3_LEN = 0x10,
116 ERRCODE_OL4_LEN = 0x11,
117 ERRCODE_OL4_CSUM = 0x12,
118 ERRCODE_IL3_LEN = 0x20,
119 ERRCODE_IL4_LEN = 0x21,
120 ERRCODE_IL4_CSUM = 0x22,
124 enum nix_stat_lf_tx {
134 enum nix_stat_lf_rx {
145 RX_DRP_L3BCAST = 0xa,
146 RX_DRP_L3MCAST = 0xb,
150 struct otx2_dev_stats {
166 /* Driver counted stats */
167 struct otx2_drv_stats {
168 atomic_t rx_fcs_errs;
169 atomic_t rx_oversize_errs;
170 atomic_t rx_undersize_errs;
171 atomic_t rx_csum_errs;
172 atomic_t rx_len_errs;
173 atomic_t rx_other_errs;
177 struct otx2_mbox mbox;
178 struct work_struct mbox_wrk;
179 struct otx2_mbox mbox_up;
180 struct work_struct mbox_up_wrk;
181 struct otx2_nic *pfvf;
182 void *bbuf_base; /* Bounce buffer for mbox memory */
183 struct mutex lock; /* serialize mailbox access */
184 int num_msgs; /* mbox number of messages */
185 int up_num_msgs; /* mbox_up number of messages */
188 /* Egress rate limiting definitions */
189 #define MAX_BURST_EXPONENT 0x0FULL
190 #define MAX_BURST_MANTISSA 0xFFULL
191 #define MAX_BURST_SIZE 130816ULL
192 #define MAX_RATE_DIVIDER_EXPONENT 12ULL
193 #define MAX_RATE_EXPONENT 0x0FULL
194 #define MAX_RATE_MANTISSA 0xFFULL
196 /* Bitfields in NIX_TLX_PIR register */
197 #define TLX_RATE_MANTISSA GENMASK_ULL(8, 1)
198 #define TLX_RATE_EXPONENT GENMASK_ULL(12, 9)
199 #define TLX_RATE_DIVIDER_EXPONENT GENMASK_ULL(16, 13)
200 #define TLX_BURST_MANTISSA GENMASK_ULL(36, 29)
201 #define TLX_BURST_EXPONENT GENMASK_ULL(40, 37)
204 struct pci_dev *pdev;
205 struct otx2_rss_info rss_info;
210 u16 non_qos_queues; /* tx queues plus xdp queues */
216 #define OTX2_DEFAULT_RBUF_LEN 2048
221 u32 stack_pg_ptrs; /* No of ptrs per stack page */
222 u32 stack_pg_bytes; /* Size of stack page */
226 u8 txschq_link_cfg_lvl;
227 u8 txschq_aggr_lvl_rr_prio;
228 u16 txschq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
229 u16 matchall_ipolicer;
233 /* HW settings, coalescing etc */
251 u8 cint_cnt; /* CQ interrupt count */
252 u16 npa_msixoff; /* Offset of NPA vectors */
253 u16 nix_msixoff; /* Offset of NIX vectors */
255 cpumask_var_t *affinity_mask;
258 struct otx2_dev_stats dev_stats;
259 struct otx2_drv_stats drv_stats;
260 u64 cgx_rx_stats[CGX_RX_STATS_COUNT];
261 u64 cgx_tx_stats[CGX_TX_STATS_COUNT];
262 u64 cgx_fec_corr_blks;
263 u64 cgx_fec_uncorr_blks;
264 u8 cgx_links; /* No. of CGX links present in HW */
265 u8 lbk_links; /* No. of LBK links present in HW */
266 u8 tx_link; /* Transmit channel link number */
269 #define CN10K_LMTST 2
271 #define CN10K_PTP_ONESTEP 4
272 #define CN10K_HW_MACSEC 5
273 #define QOS_CIR_PIR_SUPPORT 6
274 unsigned long cap_flag;
276 #define LMT_LINE_SIZE 128
277 #define LMT_BURST_SIZE 32 /* 32 LMTST lines for burst SQE flush */
279 struct otx2_lmt_info __percpu *lmt_info;
287 struct otx2_vf_config {
289 struct delayed_work link_event_work;
290 bool intf_down; /* interface was either configured or not */
298 struct work_struct work;
303 struct delayed_work pool_refill_work;
307 /* PTPv2 originTimestamp structure */
308 struct ptpv2_tstamp {
309 __be16 seconds_msb; /* 16 bits + */
310 __be32 seconds_lsb; /* 32 bits = 48 bits*/
315 struct ptp_clock_info ptp_info;
316 struct ptp_clock *ptp_clock;
317 struct otx2_nic *nic;
319 struct cyclecounter cycle_counter;
320 struct timecounter time_counter;
322 struct delayed_work extts_work;
326 struct ptp_pin_desc extts_config;
327 u64 (*convert_rx_ptp_tstmp)(u64 timestamp);
328 u64 (*convert_tx_ptp_tstmp)(u64 timestamp);
329 u64 (*ptp_tstamp2nsec)(const struct timecounter *time_counter, u64 timestamp);
330 struct delayed_work synctstamp_work;
335 #define OTX2_HW_TIMESTAMP_LEN 8
337 struct otx2_mac_table {
343 struct otx2_flow_config {
347 #define OTX2_DEFAULT_FLOWCOUNT 16
348 #define OTX2_MAX_UNICAST_FLOWS 8
349 #define OTX2_MAX_VLAN_FLOWS 1
350 #define OTX2_MAX_TC_FLOWS OTX2_DEFAULT_FLOWCOUNT
351 #define OTX2_MCAM_COUNT (OTX2_DEFAULT_FLOWCOUNT + \
352 OTX2_MAX_UNICAST_FLOWS + \
357 #define OTX2_PER_VF_VLAN_FLOWS 2 /* Rx + Tx per VF */
358 #define OTX2_VF_VLAN_RX_INDEX 0
359 #define OTX2_VF_VLAN_TX_INDEX 1
360 u32 *bmap_to_dmacindex;
361 unsigned long *dmacflt_bmap;
362 struct list_head flow_list;
363 u32 dmacflt_max_flows;
365 struct list_head flow_list_tc;
370 int (*sq_aq_init)(void *dev, u16 qidx, u16 sqb_aura);
371 void (*sqe_flush)(void *dev, struct otx2_snd_queue *sq,
373 void (*refill_pool_ptrs)(void *dev, struct otx2_cq_queue *cq);
374 void (*aura_freeptr)(void *dev, int aura, u64 buf);
377 #define CN10K_MCS_SA_PER_SC 4
379 /* Stats which need to be accumulated in software because
380 * of shared counters in hardware.
382 struct cn10k_txsc_stats {
386 u64 InPktsUnknownSCI;
391 struct cn10k_rxsc_stats {
392 u64 InOctetsValidated;
393 u64 InOctetsDecrypted;
400 u64 InPktsNotUsingSA;
404 struct cn10k_mcs_txsc {
405 struct macsec_secy *sw_secy;
406 struct cn10k_txsc_stats stats;
407 struct list_head entry;
408 enum macsec_validation_type last_validate_frames;
409 bool last_replay_protect;
414 u16 hw_sa_id[CN10K_MCS_SA_PER_SC];
416 u8 sa_key[CN10K_MCS_SA_PER_SC][MACSEC_MAX_KEY_LEN];
418 u8 salt[CN10K_MCS_SA_PER_SC][MACSEC_SALT_LEN];
419 ssci_t ssci[CN10K_MCS_SA_PER_SC];
420 bool vlan_dev; /* macsec running on VLAN ? */
423 struct cn10k_mcs_rxsc {
424 struct macsec_secy *sw_secy;
425 struct macsec_rx_sc *sw_rxsc;
426 struct cn10k_rxsc_stats stats;
427 struct list_head entry;
430 u16 hw_sa_id[CN10K_MCS_SA_PER_SC];
432 u8 sa_key[CN10K_MCS_SA_PER_SC][MACSEC_MAX_KEY_LEN];
433 u8 salt[CN10K_MCS_SA_PER_SC][MACSEC_SALT_LEN];
434 ssci_t ssci[CN10K_MCS_SA_PER_SC];
437 struct cn10k_mcs_cfg {
438 struct list_head txsc_list;
439 struct list_head rxsc_list;
443 void __iomem *reg_base;
444 struct net_device *netdev;
445 struct dev_hw_ops *hw_ops;
448 u16 rbsize; /* Receive buffer size */
450 #define OTX2_FLAG_RX_TSTAMP_ENABLED BIT_ULL(0)
451 #define OTX2_FLAG_TX_TSTAMP_ENABLED BIT_ULL(1)
452 #define OTX2_FLAG_INTF_DOWN BIT_ULL(2)
453 #define OTX2_FLAG_MCAM_ENTRIES_ALLOC BIT_ULL(3)
454 #define OTX2_FLAG_NTUPLE_SUPPORT BIT_ULL(4)
455 #define OTX2_FLAG_UCAST_FLTR_SUPPORT BIT_ULL(5)
456 #define OTX2_FLAG_RX_VLAN_SUPPORT BIT_ULL(6)
457 #define OTX2_FLAG_VF_VLAN_SUPPORT BIT_ULL(7)
458 #define OTX2_FLAG_PF_SHUTDOWN BIT_ULL(8)
459 #define OTX2_FLAG_RX_PAUSE_ENABLED BIT_ULL(9)
460 #define OTX2_FLAG_TX_PAUSE_ENABLED BIT_ULL(10)
461 #define OTX2_FLAG_TC_FLOWER_SUPPORT BIT_ULL(11)
462 #define OTX2_FLAG_TC_MATCHALL_EGRESS_ENABLED BIT_ULL(12)
463 #define OTX2_FLAG_TC_MATCHALL_INGRESS_ENABLED BIT_ULL(13)
464 #define OTX2_FLAG_DMACFLTR_SUPPORT BIT_ULL(14)
465 #define OTX2_FLAG_PTP_ONESTEP_SYNC BIT_ULL(15)
466 #define OTX2_FLAG_ADPTV_INT_COAL_ENABLED BIT_ULL(16)
470 struct bpf_prog *xdp_prog;
471 struct otx2_qset qset;
473 struct pci_dev *pdev;
478 struct mbox *mbox_pfvf;
479 struct workqueue_struct *mbox_wq;
480 struct workqueue_struct *mbox_pfvf_wq;
483 u16 pcifunc; /* RVU PF_FUNC */
484 u16 bpid[NIX_MAX_BPID_CHAN];
485 struct otx2_vf_config *vf_configs;
486 struct cgx_link_user_info linfo;
489 struct otx2_flow_config *flow_cfg;
490 struct otx2_mac_table *mac_table;
493 struct work_struct reset_task;
494 struct workqueue_struct *flr_wq;
495 struct flr_work *flr_wrk;
496 struct refill_work *refill_wrk;
497 struct workqueue_struct *otx2_wq;
498 struct work_struct rx_mode_work;
503 /* Block address of NIX either BLKADDR_NIX0 or BLKADDR_NIX1 */
505 /* LMTST Lines info */
506 struct qmem *dync_lmt;
511 struct otx2_ptp *ptp;
512 struct hwtstamp_config tstamp;
514 unsigned long rq_bmap;
517 struct otx2_devlink *dl;
521 u8 *queue_to_pfc_map;
522 u16 pfc_schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
523 bool pfc_alloc_status[NIX_PF_PFC_PRIO_MAX];
528 /* napi event count. It is needed for adaptive irq coalescing. */
531 #if IS_ENABLED(CONFIG_MACSEC)
532 struct cn10k_mcs_cfg *macsec_cfg;
536 static inline bool is_otx2_lbkvf(struct pci_dev *pdev)
538 return pdev->device == PCI_DEVID_OCTEONTX2_RVU_AFVF;
541 static inline bool is_96xx_A0(struct pci_dev *pdev)
543 return (pdev->revision == 0x00) &&
544 (pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX_RVU_PFVF);
547 static inline bool is_96xx_B0(struct pci_dev *pdev)
549 return (pdev->revision == 0x01) &&
550 (pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX_RVU_PFVF);
553 /* REVID for PCIe devices.
554 * Bits 0..1: minor pass, bit 3..2: major pass
557 #define PCI_REVISION_ID_96XX 0x00
558 #define PCI_REVISION_ID_95XX 0x10
559 #define PCI_REVISION_ID_95XXN 0x20
560 #define PCI_REVISION_ID_98XX 0x30
561 #define PCI_REVISION_ID_95XXMM 0x40
562 #define PCI_REVISION_ID_95XXO 0xE0
564 static inline bool is_dev_otx2(struct pci_dev *pdev)
566 u8 midr = pdev->revision & 0xF0;
568 return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX ||
569 midr == PCI_REVISION_ID_95XXN || midr == PCI_REVISION_ID_98XX ||
570 midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO);
573 static inline bool is_dev_cn10kb(struct pci_dev *pdev)
575 return pdev->subsystem_device == PCI_SUBSYS_DEVID_CN10K_B_RVU_PFVF;
578 static inline void otx2_setup_dev_hw_settings(struct otx2_nic *pfvf)
580 struct otx2_hw *hw = &pfvf->hw;
582 pfvf->hw.cq_time_wait = CQ_TIMER_THRESH_DEFAULT;
583 pfvf->hw.cq_ecount_wait = CQ_CQE_THRESH_DEFAULT;
584 pfvf->hw.cq_qcount_wait = CQ_QCOUNT_DEFAULT;
586 __set_bit(HW_TSO, &hw->cap_flag);
588 if (is_96xx_A0(pfvf->pdev)) {
589 __clear_bit(HW_TSO, &hw->cap_flag);
591 /* Time based irq coalescing is not supported */
592 pfvf->hw.cq_qcount_wait = 0x0;
594 /* Due to HW issue previous silicons required minimum
595 * 600 unused CQE to avoid CQ overflow.
597 pfvf->hw.rq_skid = 600;
598 pfvf->qset.rqe_cnt = Q_COUNT(Q_SIZE_1K);
600 if (is_96xx_B0(pfvf->pdev))
601 __clear_bit(HW_TSO, &hw->cap_flag);
603 if (!is_dev_otx2(pfvf->pdev)) {
604 __set_bit(CN10K_MBOX, &hw->cap_flag);
605 __set_bit(CN10K_LMTST, &hw->cap_flag);
606 __set_bit(CN10K_RPM, &hw->cap_flag);
607 __set_bit(CN10K_PTP_ONESTEP, &hw->cap_flag);
608 __set_bit(QOS_CIR_PIR_SUPPORT, &hw->cap_flag);
611 if (is_dev_cn10kb(pfvf->pdev))
612 __set_bit(CN10K_HW_MACSEC, &hw->cap_flag);
615 /* Register read/write APIs */
616 static inline void __iomem *otx2_get_regaddr(struct otx2_nic *nic, u64 offset)
620 switch ((offset >> RVU_FUNC_BLKADDR_SHIFT) & RVU_FUNC_BLKADDR_MASK) {
622 blkaddr = nic->nix_blkaddr;
625 blkaddr = BLKADDR_NPA;
628 blkaddr = BLKADDR_RVUM;
632 offset &= ~(RVU_FUNC_BLKADDR_MASK << RVU_FUNC_BLKADDR_SHIFT);
633 offset |= (blkaddr << RVU_FUNC_BLKADDR_SHIFT);
635 return nic->reg_base + offset;
638 static inline void otx2_write64(struct otx2_nic *nic, u64 offset, u64 val)
640 void __iomem *addr = otx2_get_regaddr(nic, offset);
645 static inline u64 otx2_read64(struct otx2_nic *nic, u64 offset)
647 void __iomem *addr = otx2_get_regaddr(nic, offset);
652 /* Mbox bounce buffer APIs */
653 static inline int otx2_mbox_bbuf_init(struct mbox *mbox, struct pci_dev *pdev)
655 struct otx2_mbox *otx2_mbox;
656 struct otx2_mbox_dev *mdev;
658 mbox->bbuf_base = devm_kmalloc(&pdev->dev, MBOX_SIZE, GFP_KERNEL);
659 if (!mbox->bbuf_base)
662 /* Overwrite mbox mbase to point to bounce buffer, so that PF/VF
663 * prepare all mbox messages in bounce buffer instead of directly
666 otx2_mbox = &mbox->mbox;
667 mdev = &otx2_mbox->dev[0];
668 mdev->mbase = mbox->bbuf_base;
670 otx2_mbox = &mbox->mbox_up;
671 mdev = &otx2_mbox->dev[0];
672 mdev->mbase = mbox->bbuf_base;
676 static inline void otx2_sync_mbox_bbuf(struct otx2_mbox *mbox, int devid)
678 u16 msgs_offset = ALIGN(sizeof(struct mbox_hdr), MBOX_MSG_ALIGN);
679 void *hw_mbase = mbox->hwbase + (devid * MBOX_SIZE);
680 struct otx2_mbox_dev *mdev = &mbox->dev[devid];
681 struct mbox_hdr *hdr;
684 if (mdev->mbase == hw_mbase)
687 hdr = hw_mbase + mbox->rx_start;
688 msg_size = hdr->msg_size;
690 if (msg_size > mbox->rx_size - msgs_offset)
691 msg_size = mbox->rx_size - msgs_offset;
693 /* Copy mbox messages from mbox memory to bounce buffer */
694 memcpy(mdev->mbase + mbox->rx_start,
695 hw_mbase + mbox->rx_start, msg_size + msgs_offset);
698 /* With the absence of API for 128-bit IO memory access for arm64,
699 * implement required operations at place.
701 #if defined(CONFIG_ARM64)
702 static inline void otx2_write128(u64 lo, u64 hi, void __iomem *addr)
704 __asm__ volatile("stp %x[x0], %x[x1], [%x[p1],#0]!"
705 ::[x0]"r"(lo), [x1]"r"(hi), [p1]"r"(addr));
708 static inline u64 otx2_atomic64_add(u64 incr, u64 *ptr)
712 __asm__ volatile(".cpu generic+lse\n"
713 "ldadd %x[i], %x[r], [%[b]]"
714 : [r]"=r"(result), "+m"(*ptr)
715 : [i]"r"(incr), [b]"r"(ptr)
721 #define otx2_write128(lo, hi, addr) writeq((hi) | (lo), addr)
722 #define otx2_atomic64_add(incr, ptr) ({ *ptr += incr; })
725 static inline void __cn10k_aura_freeptr(struct otx2_nic *pfvf, u64 aura,
726 u64 *ptrs, u64 num_ptrs)
728 struct otx2_lmt_info *lmt_info;
729 u64 size = 0, count_eot = 0;
730 u64 tar_addr, val = 0;
732 lmt_info = per_cpu_ptr(pfvf->hw.lmt_info, smp_processor_id());
733 tar_addr = (__force u64)otx2_get_regaddr(pfvf, NPA_LF_AURA_BATCH_FREE0);
734 /* LMTID is same as AURA Id */
735 val = (lmt_info->lmt_id & 0x7FF) | BIT_ULL(63);
736 /* Set if [127:64] of last 128bit word has a valid pointer */
737 count_eot = (num_ptrs % 2) ? 0ULL : 1ULL;
738 /* Set AURA ID to free pointer */
739 ptrs[0] = (count_eot << 32) | (aura & 0xFFFFF);
740 /* Target address for LMTST flush tells HW how many 128bit
741 * words are valid from NPA_LF_AURA_BATCH_FREE0.
743 * tar_addr[6:4] is LMTST size-1 in units of 128b.
746 size = (sizeof(u64) * num_ptrs) / 16;
749 tar_addr |= ((size - 1) & 0x7) << 4;
752 memcpy((u64 *)lmt_info->lmt_addr, ptrs, sizeof(u64) * num_ptrs);
753 /* Perform LMTST flush */
754 cn10k_lmt_flush(val, tar_addr);
757 static inline void cn10k_aura_freeptr(void *dev, int aura, u64 buf)
759 struct otx2_nic *pfvf = dev;
764 /* Free only one buffer at time during init and teardown */
765 __cn10k_aura_freeptr(pfvf, aura, ptrs, 2);
769 /* Alloc pointer from pool/aura */
770 static inline u64 otx2_aura_allocptr(struct otx2_nic *pfvf, int aura)
772 u64 *ptr = (__force u64 *)otx2_get_regaddr(pfvf, NPA_LF_AURA_OP_ALLOCX(0));
773 u64 incr = (u64)aura | BIT_ULL(63);
775 return otx2_atomic64_add(incr, ptr);
778 /* Free pointer to a pool/aura */
779 static inline void otx2_aura_freeptr(void *dev, int aura, u64 buf)
781 struct otx2_nic *pfvf = dev;
782 void __iomem *addr = otx2_get_regaddr(pfvf, NPA_LF_AURA_OP_FREE0);
784 otx2_write128(buf, (u64)aura | BIT_ULL(63), addr);
787 static inline int otx2_get_pool_idx(struct otx2_nic *pfvf, int type, int idx)
789 if (type == AURA_NIX_SQ)
790 return pfvf->hw.rqpool_cnt + idx;
797 static inline int otx2_sync_mbox_msg(struct mbox *mbox)
801 if (!otx2_mbox_nonempty(&mbox->mbox, 0))
803 otx2_mbox_msg_send(&mbox->mbox, 0);
804 err = otx2_mbox_wait_for_rsp(&mbox->mbox, 0);
808 return otx2_mbox_check_rsp_msgs(&mbox->mbox, 0);
811 static inline int otx2_sync_mbox_up_msg(struct mbox *mbox, int devid)
815 if (!otx2_mbox_nonempty(&mbox->mbox_up, devid))
817 otx2_mbox_msg_send(&mbox->mbox_up, devid);
818 err = otx2_mbox_wait_for_rsp(&mbox->mbox_up, devid);
822 return otx2_mbox_check_rsp_msgs(&mbox->mbox_up, devid);
825 /* Use this API to send mbox msgs in atomic context
826 * where sleeping is not allowed
828 static inline int otx2_sync_mbox_msg_busy_poll(struct mbox *mbox)
832 if (!otx2_mbox_nonempty(&mbox->mbox, 0))
834 otx2_mbox_msg_send(&mbox->mbox, 0);
835 err = otx2_mbox_busy_poll_for_rsp(&mbox->mbox, 0);
839 return otx2_mbox_check_rsp_msgs(&mbox->mbox, 0);
842 #define M(_name, _id, _fn_name, _req_type, _rsp_type) \
843 static struct _req_type __maybe_unused \
844 *otx2_mbox_alloc_msg_ ## _fn_name(struct mbox *mbox) \
846 struct _req_type *req; \
848 req = (struct _req_type *)otx2_mbox_alloc_msg_rsp( \
849 &mbox->mbox, 0, sizeof(struct _req_type), \
850 sizeof(struct _rsp_type)); \
853 req->hdr.sig = OTX2_MBOX_REQ_SIG; \
855 trace_otx2_msg_alloc(mbox->mbox.pdev, _id, sizeof(*req)); \
862 #define M(_name, _id, _fn_name, _req_type, _rsp_type) \
864 otx2_mbox_up_handler_ ## _fn_name(struct otx2_nic *pfvf, \
865 struct _req_type *req, \
866 struct _rsp_type *rsp); \
872 /* Time to wait before watchdog kicks off */
873 #define OTX2_TX_TIMEOUT (100 * HZ)
875 #define RVU_PFVF_PF_SHIFT 10
876 #define RVU_PFVF_PF_MASK 0x3F
877 #define RVU_PFVF_FUNC_SHIFT 0
878 #define RVU_PFVF_FUNC_MASK 0x3FF
880 static inline bool is_otx2_vf(u16 pcifunc)
882 return !!(pcifunc & RVU_PFVF_FUNC_MASK);
885 static inline int rvu_get_pf(u16 pcifunc)
887 return (pcifunc >> RVU_PFVF_PF_SHIFT) & RVU_PFVF_PF_MASK;
890 static inline dma_addr_t otx2_dma_map_page(struct otx2_nic *pfvf,
892 size_t offset, size_t size,
893 enum dma_data_direction dir)
897 iova = dma_map_page_attrs(pfvf->dev, page,
898 offset, size, dir, DMA_ATTR_SKIP_CPU_SYNC);
899 if (unlikely(dma_mapping_error(pfvf->dev, iova)))
900 return (dma_addr_t)NULL;
904 static inline void otx2_dma_unmap_page(struct otx2_nic *pfvf,
905 dma_addr_t addr, size_t size,
906 enum dma_data_direction dir)
908 dma_unmap_page_attrs(pfvf->dev, addr, size,
909 dir, DMA_ATTR_SKIP_CPU_SYNC);
912 static inline u16 otx2_get_smq_idx(struct otx2_nic *pfvf, u16 qidx)
916 if (qidx < NIX_PF_PFC_PRIO_MAX && pfvf->pfc_alloc_status[qidx])
917 return pfvf->pfc_schq_list[NIX_TXSCH_LVL_SMQ][qidx];
919 /* check if qidx falls under QOS queues */
920 if (qidx >= pfvf->hw.non_qos_queues)
921 smq = pfvf->qos.qid_to_sqmap[qidx - pfvf->hw.non_qos_queues];
923 smq = pfvf->hw.txschq_list[NIX_TXSCH_LVL_SMQ][0];
928 static inline u16 otx2_get_total_tx_queues(struct otx2_nic *pfvf)
930 return pfvf->hw.non_qos_queues + pfvf->hw.tc_tx_queues;
933 static inline u64 otx2_convert_rate(u64 rate)
937 /* Convert bytes per second to Mbps */
938 converted_rate = rate * 8;
939 converted_rate = max_t(u64, converted_rate / 1000000, 1);
941 return converted_rate;
944 static inline int otx2_tc_flower_rule_cnt(struct otx2_nic *pfvf)
946 /* return here if MCAM entries not allocated */
950 return pfvf->flow_cfg->nr_flows;
954 void otx2_free_cints(struct otx2_nic *pfvf, int n);
955 void otx2_set_cints_affinity(struct otx2_nic *pfvf);
956 int otx2_set_mac_address(struct net_device *netdev, void *p);
957 int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu);
958 void otx2_tx_timeout(struct net_device *netdev, unsigned int txq);
959 void otx2_get_mac_from_af(struct net_device *netdev);
960 void otx2_config_irq_coalescing(struct otx2_nic *pfvf, int qidx);
961 int otx2_config_pause_frm(struct otx2_nic *pfvf);
962 void otx2_setup_segmentation(struct otx2_nic *pfvf);
964 /* RVU block related APIs */
965 int otx2_attach_npa_nix(struct otx2_nic *pfvf);
966 int otx2_detach_resources(struct mbox *mbox);
967 int otx2_config_npa(struct otx2_nic *pfvf);
968 int otx2_sq_aura_pool_init(struct otx2_nic *pfvf);
969 int otx2_rq_aura_pool_init(struct otx2_nic *pfvf);
970 void otx2_aura_pool_free(struct otx2_nic *pfvf);
971 void otx2_free_aura_ptr(struct otx2_nic *pfvf, int type);
972 void otx2_sq_free_sqbs(struct otx2_nic *pfvf);
973 int otx2_config_nix(struct otx2_nic *pfvf);
974 int otx2_config_nix_queues(struct otx2_nic *pfvf);
975 int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool pfc_en);
976 int otx2_txsch_alloc(struct otx2_nic *pfvf);
977 void otx2_txschq_stop(struct otx2_nic *pfvf);
978 void otx2_txschq_free_one(struct otx2_nic *pfvf, u16 lvl, u16 schq);
979 void otx2_sqb_flush(struct otx2_nic *pfvf);
980 int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
982 int otx2_rxtx_enable(struct otx2_nic *pfvf, bool enable);
983 void otx2_ctx_disable(struct mbox *mbox, int type, bool npa);
984 int otx2_nix_config_bp(struct otx2_nic *pfvf, bool enable);
985 void otx2_cleanup_rx_cqes(struct otx2_nic *pfvf, struct otx2_cq_queue *cq, int qidx);
986 void otx2_cleanup_tx_cqes(struct otx2_nic *pfvf, struct otx2_cq_queue *cq);
987 int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura);
988 int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura);
989 int cn10k_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura);
990 int otx2_alloc_buffer(struct otx2_nic *pfvf, struct otx2_cq_queue *cq,
992 int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
993 int stack_pages, int numptrs, int buf_size, int type);
994 int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
995 int pool_id, int numptrs);
997 /* RSS configuration APIs*/
998 int otx2_rss_init(struct otx2_nic *pfvf);
999 int otx2_set_flowkey_cfg(struct otx2_nic *pfvf);
1000 void otx2_set_rss_key(struct otx2_nic *pfvf);
1001 int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id);
1004 void mbox_handler_msix_offset(struct otx2_nic *pfvf,
1005 struct msix_offset_rsp *rsp);
1006 void mbox_handler_npa_lf_alloc(struct otx2_nic *pfvf,
1007 struct npa_lf_alloc_rsp *rsp);
1008 void mbox_handler_nix_lf_alloc(struct otx2_nic *pfvf,
1009 struct nix_lf_alloc_rsp *rsp);
1010 void mbox_handler_nix_txsch_alloc(struct otx2_nic *pf,
1011 struct nix_txsch_alloc_rsp *rsp);
1012 void mbox_handler_cgx_stats(struct otx2_nic *pfvf,
1013 struct cgx_stats_rsp *rsp);
1014 void mbox_handler_cgx_fec_stats(struct otx2_nic *pfvf,
1015 struct cgx_fec_stats_rsp *rsp);
1016 void otx2_set_fec_stats_count(struct otx2_nic *pfvf);
1017 void mbox_handler_nix_bp_enable(struct otx2_nic *pfvf,
1018 struct nix_bp_cfg_rsp *rsp);
1020 /* Device stats APIs */
1021 void otx2_get_dev_stats(struct otx2_nic *pfvf);
1022 void otx2_get_stats64(struct net_device *netdev,
1023 struct rtnl_link_stats64 *stats);
1024 void otx2_update_lmac_stats(struct otx2_nic *pfvf);
1025 void otx2_update_lmac_fec_stats(struct otx2_nic *pfvf);
1026 int otx2_update_rq_stats(struct otx2_nic *pfvf, int qidx);
1027 int otx2_update_sq_stats(struct otx2_nic *pfvf, int qidx);
1028 void otx2_set_ethtool_ops(struct net_device *netdev);
1029 void otx2vf_set_ethtool_ops(struct net_device *netdev);
1031 int otx2_open(struct net_device *netdev);
1032 int otx2_stop(struct net_device *netdev);
1033 int otx2_set_real_num_queues(struct net_device *netdev,
1034 int tx_queues, int rx_queues);
1035 int otx2_ioctl(struct net_device *netdev, struct ifreq *req, int cmd);
1036 int otx2_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr);
1038 /* MCAM filter related APIs */
1039 int otx2_mcam_flow_init(struct otx2_nic *pf);
1040 int otx2vf_mcam_flow_init(struct otx2_nic *pfvf);
1041 int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u16 count);
1042 void otx2_mcam_flow_del(struct otx2_nic *pf);
1043 int otx2_destroy_ntuple_flows(struct otx2_nic *pf);
1044 int otx2_destroy_mcam_flows(struct otx2_nic *pfvf);
1045 int otx2_get_flow(struct otx2_nic *pfvf,
1046 struct ethtool_rxnfc *nfc, u32 location);
1047 int otx2_get_all_flows(struct otx2_nic *pfvf,
1048 struct ethtool_rxnfc *nfc, u32 *rule_locs);
1049 int otx2_add_flow(struct otx2_nic *pfvf,
1050 struct ethtool_rxnfc *nfc);
1051 int otx2_remove_flow(struct otx2_nic *pfvf, u32 location);
1052 int otx2_get_maxflows(struct otx2_flow_config *flow_cfg);
1053 void otx2_rss_ctx_flow_del(struct otx2_nic *pfvf, int ctx_id);
1054 int otx2_del_macfilter(struct net_device *netdev, const u8 *mac);
1055 int otx2_add_macfilter(struct net_device *netdev, const u8 *mac);
1056 int otx2_enable_rxvlan(struct otx2_nic *pf, bool enable);
1057 int otx2_install_rxvlan_offload_flow(struct otx2_nic *pfvf);
1058 bool otx2_xdp_sq_append_pkt(struct otx2_nic *pfvf, u64 iova, int len, u16 qidx);
1059 u16 otx2_get_max_mtu(struct otx2_nic *pfvf);
1060 int otx2_handle_ntuple_tc_features(struct net_device *netdev,
1061 netdev_features_t features);
1062 int otx2_smq_flush(struct otx2_nic *pfvf, int smq);
1063 void otx2_free_bufs(struct otx2_nic *pfvf, struct otx2_pool *pool,
1064 u64 iova, int size);
1067 int otx2_init_tc(struct otx2_nic *nic);
1068 void otx2_shutdown_tc(struct otx2_nic *nic);
1069 int otx2_setup_tc(struct net_device *netdev, enum tc_setup_type type,
1071 /* CGX/RPM DMAC filters support */
1072 int otx2_dmacflt_get_max_cnt(struct otx2_nic *pf);
1073 int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u32 bit_pos);
1074 int otx2_dmacflt_remove(struct otx2_nic *pf, const u8 *mac, u32 bit_pos);
1075 int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u32 bit_pos);
1076 void otx2_dmacflt_reinstall_flows(struct otx2_nic *pf);
1077 void otx2_dmacflt_update_pfmac_flow(struct otx2_nic *pfvf);
1081 void otx2_update_bpid_in_rqctx(struct otx2_nic *pfvf, int vlan_prio, int qidx, bool pfc_enable);
1082 int otx2_config_priority_flow_ctrl(struct otx2_nic *pfvf);
1083 int otx2_dcbnl_set_ops(struct net_device *dev);
1085 int otx2_pfc_txschq_config(struct otx2_nic *pfvf);
1086 int otx2_pfc_txschq_alloc(struct otx2_nic *pfvf);
1087 int otx2_pfc_txschq_update(struct otx2_nic *pfvf);
1088 int otx2_pfc_txschq_stop(struct otx2_nic *pfvf);
1091 #if IS_ENABLED(CONFIG_MACSEC)
1092 /* MACSEC offload support */
1093 int cn10k_mcs_init(struct otx2_nic *pfvf);
1094 void cn10k_mcs_free(struct otx2_nic *pfvf);
1095 void cn10k_handle_mcs_event(struct otx2_nic *pfvf, struct mcs_intr_info *event);
1097 static inline int cn10k_mcs_init(struct otx2_nic *pfvf) { return 0; }
1098 static inline void cn10k_mcs_free(struct otx2_nic *pfvf) {}
1099 static inline void cn10k_handle_mcs_event(struct otx2_nic *pfvf,
1100 struct mcs_intr_info *event)
1102 #endif /* CONFIG_MACSEC */
1105 static inline void otx2_qos_init(struct otx2_nic *pfvf, int qos_txqs)
1107 struct otx2_hw *hw = &pfvf->hw;
1109 hw->tc_tx_queues = qos_txqs;
1110 INIT_LIST_HEAD(&pfvf->qos.qos_tree);
1111 mutex_init(&pfvf->qos.qos_lock);
1114 static inline void otx2_shutdown_qos(struct otx2_nic *pfvf)
1116 mutex_destroy(&pfvf->qos.qos_lock);
1119 u16 otx2_select_queue(struct net_device *netdev, struct sk_buff *skb,
1120 struct net_device *sb_dev);
1121 int otx2_get_txq_by_classid(struct otx2_nic *pfvf, u16 classid);
1122 void otx2_qos_config_txschq(struct otx2_nic *pfvf);
1123 void otx2_clean_qos_queues(struct otx2_nic *pfvf);
1124 #endif /* OTX2_COMMON_H */