diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 586 |
1 files changed, 487 insertions, 99 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h index 234b330f3183..e616a727a3a9 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h @@ -1,11 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Marvell OcteonTx2 RVU Ethernet driver +/* Marvell RVU Ethernet driver * - * Copyright (C) 2020 Marvell International Ltd. + * Copyright (C) 2020 Marvell. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef OTX2_COMMON_H @@ -17,14 +14,30 @@ #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> #include <linux/timecounter.h> +#include <linux/soc/marvell/silicons.h> #include <linux/soc/marvell/octeontx2/asm.h> +#include <net/macsec.h> #include <net/pkt_cls.h> +#include <net/devlink.h> +#include <linux/time64.h> +#include <linux/dim.h> +#include <uapi/linux/if_macsec.h> +#include <net/page_pool/helpers.h> #include <mbox.h> #include <npc.h> #include "otx2_reg.h" #include "otx2_txrx.h" +#include "otx2_devlink.h" +#include <rvu.h> #include <rvu_trace.h> +#include "qos.h" +#include "rep.h" +#include "cn10k_ipsec.h" +#include "cn20k.h" + +/* IPv4 flag more fragment bit */ +#define IPV4_FLAG_MORE 0x20 /* PCI device IDs */ #define PCI_DEVID_OCTEONTX2_RVU_PF 0xA063 @@ -32,6 +45,10 @@ #define PCI_DEVID_OCTEONTX2_RVU_AFVF 0xA0F8 #define PCI_SUBSYS_DEVID_96XX_RVU_PFVF 0xB200 +#define PCI_SUBSYS_DEVID_CN10K_A_RVU_PFVF 0xB900 +#define PCI_SUBSYS_DEVID_CN10K_B_RVU_PFVF 0xBD00 + +#define PCI_DEVID_OCTEONTX2_SDP_REP 0xA0F7 /* PCI BAR nos */ #define PCI_CFG_REG_BAR_NUM 2 @@ -39,6 +56,20 @@ #define NAME_SIZE 32 +#ifdef CONFIG_DCB +/* Max priority supported for PFC */ +#define NIX_PF_PFC_PRIO_MAX 8 +#endif + +/* Number of segments per SG structure */ +#define MAX_SEGS_PER_SG 3 + +irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq); +irqreturn_t cn20k_pfaf_mbox_intr_handler(int irq, void *pf_irq); +irqreturn_t cn20k_vfaf_mbox_intr_handler(int irq, void *vf_irq); +irqreturn_t cn20k_pfvf_mbox_intr_handler(int irq, void *pf_irq); +irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq); + enum arua_mapped_qtypes { AURA_NIX_RQ, AURA_NIX_SQ, @@ -54,9 +85,14 @@ enum arua_mapped_qtypes { /* Send skid of 2000 packets required for CQ size of 4K CQEs. */ #define SEND_CQ_SKID 2000 -/* RSS configuration */ -struct otx2_rss_ctx { - u8 ind_tbl[MAX_RSS_INDIR_TBL_SIZE]; +#define OTX2_GET_RX_STATS(reg) \ + otx2_read64(pfvf, NIX_LF_RX_STATX(reg)) +#define OTX2_GET_TX_STATS(reg) \ + otx2_read64(pfvf, NIX_LF_TX_STATX(reg)) + +struct otx2_lmt_info { + u64 lmt_addr; + u16 lmt_id; }; struct otx2_rss_info { @@ -65,7 +101,7 @@ struct otx2_rss_info { u16 rss_size; #define RSS_HASH_KEY_SIZE 44 /* 352 bit key */ u8 key[RSS_HASH_KEY_SIZE]; - struct otx2_rss_ctx *rss_ctx[MAX_RSS_GROUPS]; + u32 ind_tbl[MAX_RSS_INDIR_TBL_SIZE]; }; /* NIX (or NPC) RX errors */ @@ -98,31 +134,10 @@ enum otx2_errcodes_re { ERRCODE_IL4_CSUM = 0x22, }; -/* NIX TX stats */ -enum nix_stat_lf_tx { - TX_UCAST = 0x0, - TX_BCAST = 0x1, - TX_MCAST = 0x2, - TX_DROP = 0x3, - TX_OCTS = 0x4, - TX_STATS_ENUM_LAST, -}; - -/* NIX RX stats */ -enum nix_stat_lf_rx { - RX_OCTS = 0x0, - RX_UCAST = 0x1, - RX_BCAST = 0x2, - RX_MCAST = 0x3, - RX_DROP = 0x4, - RX_DROP_OCTS = 0x5, - RX_FCS = 0x6, - RX_ERR = 0x7, - RX_DRP_BCAST = 0x8, - RX_DRP_MCAST = 0x9, - RX_DRP_L3BCAST = 0xa, - RX_DRP_L3MCAST = 0xb, - RX_STATS_ENUM_LAST, +enum otx2_xdp_action { + OTX2_XDP_TX = BIT(0), + OTX2_XDP_REDIRECT = BIT(1), + OTX2_AF_XDP_FRAME = BIT(2), }; struct otx2_dev_stats { @@ -139,6 +154,7 @@ struct otx2_dev_stats { u64 tx_bcast_frames; u64 tx_mcast_frames; u64 tx_drops; + atomic_long_t tx_discards; }; /* Driver counted stats */ @@ -163,28 +179,58 @@ struct mbox { int up_num_msgs; /* mbox_up number of messages */ }; +/* Egress rate limiting definitions */ +#define MAX_BURST_EXPONENT 0x0FULL +#define MAX_BURST_MANTISSA 0xFFULL +#define MAX_BURST_SIZE 130816ULL +#define MAX_RATE_DIVIDER_EXPONENT 12ULL +#define MAX_RATE_EXPONENT 0x0FULL +#define MAX_RATE_MANTISSA 0xFFULL + +/* Bitfields in NIX_TLX_PIR register */ +#define TLX_RATE_MANTISSA GENMASK_ULL(8, 1) +#define TLX_RATE_EXPONENT GENMASK_ULL(12, 9) +#define TLX_RATE_DIVIDER_EXPONENT GENMASK_ULL(16, 13) +#define TLX_BURST_MANTISSA GENMASK_ULL(36, 29) +#define TLX_BURST_EXPONENT GENMASK_ULL(40, 37) + struct otx2_hw { struct pci_dev *pdev; struct otx2_rss_info rss_info; u16 rx_queues; u16 tx_queues; + u16 xdp_queues; + u16 tc_tx_queues; + u16 non_qos_queues; /* tx queues plus xdp queues */ u16 max_queues; u16 pool_cnt; u16 rqpool_cnt; u16 sqpool_cnt; +#define OTX2_DEFAULT_RBUF_LEN 2048 + u16 rbuf_len; + u32 xqe_size; + /* NPA */ u32 stack_pg_ptrs; /* No of ptrs per stack page */ u32 stack_pg_bytes; /* Size of stack page */ u16 sqb_size; /* NIX */ - u16 txschq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC]; + u8 txschq_link_cfg_lvl; + u8 txschq_cnt[NIX_TXSCH_LVL_CNT]; + u8 txschq_aggr_lvl_rr_prio; + u16 txschq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC]; u16 matchall_ipolicer; + u32 dwrr_mtu; + u32 max_mtu; + u8 smq_link_type; /* HW settings, coalescing etc */ u16 rx_chan_base; u16 tx_chan_base; + u8 rx_chan_cnt; + u8 tx_chan_cnt; u16 cq_qcount_wait; u16 cq_ecount_wait; u16 rq_skid; @@ -196,12 +242,16 @@ struct otx2_hw { u8 lso_udpv4_idx; u8 lso_udpv6_idx; + /* RSS */ + u8 flowkey_alg_idx; + /* MSI-X */ u8 cint_cnt; /* CQ interrupt count */ u16 npa_msixoff; /* Offset of NPA vectors */ u16 nix_msixoff; /* Offset of NIX vectors */ char *irq_name; cpumask_var_t *affinity_mask; + struct pf_irq_data *pfvf_irq_devid[4]; /* Stats */ struct otx2_dev_stats dev_stats; @@ -212,16 +262,20 @@ struct otx2_hw { u64 cgx_fec_uncorr_blks; u8 cgx_links; /* No. of CGX links present in HW */ u8 lbk_links; /* No. of LBK links present in HW */ + u8 tx_link; /* Transmit channel link number */ #define HW_TSO 0 #define CN10K_MBOX 1 #define CN10K_LMTST 2 +#define CN10K_RPM 3 +#define CN10K_PTP_ONESTEP 4 +#define CN10K_HW_MACSEC 5 +#define QOS_CIR_PIR_SUPPORT 6 unsigned long cap_flag; #define LMT_LINE_SIZE 128 -#define NIX_LMTID_BASE 72 /* RX + TX + XDP */ - void __iomem *lmt_base; - u64 *npa_lmt_base; - u64 *nix_lmt_base; +#define LMT_BURST_SIZE 32 /* 32 LMTST lines for burst SQE flush */ + u64 *lmt_base; + struct otx2_lmt_info __percpu *lmt_info; }; enum vfperm { @@ -247,8 +301,16 @@ struct flr_work { struct refill_work { struct delayed_work pool_refill_work; struct otx2_nic *pf; + struct napi_struct *napi; }; +/* PTPv2 originTimestamp structure */ +struct ptpv2_tstamp { + __be16 seconds_msb; /* 16 bits + */ + __be32 seconds_lsb; /* 32 bits = 48 bits*/ + __be32 nanoseconds; +} __packed; + struct otx2_ptp { struct ptp_clock_info ptp_info; struct ptp_clock *ptp_clock; @@ -256,6 +318,18 @@ struct otx2_ptp { struct cyclecounter cycle_counter; struct timecounter time_counter; + + struct delayed_work extts_work; + u64 last_extts; + u64 thresh; + + struct ptp_pin_desc extts_config; + u64 (*convert_rx_ptp_tstmp)(u64 timestamp); + u64 (*convert_tx_ptp_tstmp)(u64 timestamp); + u64 (*ptp_tstamp2nsec)(const struct timecounter *time_counter, u64 timestamp); + struct delayed_work synctstamp_work; + u64 tstamp; + u32 base_ns; }; #define OTX2_HW_TIMESTAMP_LEN 8 @@ -267,44 +341,121 @@ struct otx2_mac_table { }; struct otx2_flow_config { - u16 entry[NPC_MAX_NONCONTIG_ENTRIES]; u16 *flow_ent; u16 *def_ent; u16 nr_flows; #define OTX2_DEFAULT_FLOWCOUNT 16 -#define OTX2_MAX_UNICAST_FLOWS 8 +#define OTX2_DEFAULT_UNICAST_FLOWS 4 #define OTX2_MAX_VLAN_FLOWS 1 #define OTX2_MAX_TC_FLOWS OTX2_DEFAULT_FLOWCOUNT -#define OTX2_MCAM_COUNT (OTX2_DEFAULT_FLOWCOUNT + \ - OTX2_MAX_UNICAST_FLOWS + \ - OTX2_MAX_VLAN_FLOWS) - u16 ntuple_offset; u16 unicast_offset; u16 rx_vlan_offset; u16 vf_vlan_offset; #define OTX2_PER_VF_VLAN_FLOWS 2 /* Rx + Tx per VF */ #define OTX2_VF_VLAN_RX_INDEX 0 #define OTX2_VF_VLAN_TX_INDEX 1 - u16 tc_flower_offset; - u16 ntuple_max_flows; - u16 tc_max_flows; + u32 *bmap_to_dmacindex; + unsigned long *dmacflt_bmap; struct list_head flow_list; -}; - -struct otx2_tc_info { - /* hash table to store TC offloaded flows */ - struct rhashtable flow_table; - struct rhashtable_params flow_ht_params; - DECLARE_BITMAP(tc_entries_bitmap, OTX2_MAX_TC_FLOWS); - unsigned long num_entries; + u32 dmacflt_max_flows; + u16 max_flows; + refcount_t mark_flows; + struct list_head flow_list_tc; + u8 ucast_flt_cnt; + bool ntuple; + u16 ntuple_cnt; }; struct dev_hw_ops { - int (*sq_aq_init)(void *dev, u16 qidx, u16 sqb_aura); + int (*sq_aq_init)(void *dev, u16 qidx, u8 chan_offset, + u16 sqb_aura); void (*sqe_flush)(void *dev, struct otx2_snd_queue *sq, int size, int qidx); - void (*refill_pool_ptrs)(void *dev, struct otx2_cq_queue *cq); + int (*refill_pool_ptrs)(void *dev, struct otx2_cq_queue *cq); void (*aura_freeptr)(void *dev, int aura, u64 buf); + irqreturn_t (*pfaf_mbox_intr_handler)(int irq, void *pf_irq); + irqreturn_t (*vfaf_mbox_intr_handler)(int irq, void *pf_irq); + irqreturn_t (*pfvf_mbox_intr_handler)(int irq, void *pf_irq); + int (*aura_aq_init)(struct otx2_nic *pfvf, int aura_id, + int pool_id, int numptrs); + int (*pool_aq_init)(struct otx2_nic *pfvf, u16 pool_id, + int stack_pages, int numptrs, int buf_size, + int type); +}; + +#define CN10K_MCS_SA_PER_SC 4 + +/* Stats which need to be accumulated in software because + * of shared counters in hardware. + */ +struct cn10k_txsc_stats { + u64 InPktsUntagged; + u64 InPktsNoTag; + u64 InPktsBadTag; + u64 InPktsUnknownSCI; + u64 InPktsNoSCI; + u64 InPktsOverrun; +}; + +struct cn10k_rxsc_stats { + u64 InOctetsValidated; + u64 InOctetsDecrypted; + u64 InPktsUnchecked; + u64 InPktsDelayed; + u64 InPktsOK; + u64 InPktsInvalid; + u64 InPktsLate; + u64 InPktsNotValid; + u64 InPktsNotUsingSA; + u64 InPktsUnusedSA; +}; + +struct cn10k_mcs_txsc { + struct macsec_secy *sw_secy; + struct cn10k_txsc_stats stats; + struct list_head entry; + enum macsec_validation_type last_validate_frames; + bool last_replay_protect; + u16 hw_secy_id_tx; + u16 hw_secy_id_rx; + u16 hw_flow_id; + u16 hw_sc_id; + u16 hw_sa_id[CN10K_MCS_SA_PER_SC]; + u8 sa_bmap; + u8 sa_key[CN10K_MCS_SA_PER_SC][MACSEC_MAX_KEY_LEN]; + u8 encoding_sa; + u8 salt[CN10K_MCS_SA_PER_SC][MACSEC_SALT_LEN]; + ssci_t ssci[CN10K_MCS_SA_PER_SC]; + bool vlan_dev; /* macsec running on VLAN ? */ +}; + +struct cn10k_mcs_rxsc { + struct macsec_secy *sw_secy; + struct macsec_rx_sc *sw_rxsc; + struct cn10k_rxsc_stats stats; + struct list_head entry; + u16 hw_flow_id; + u16 hw_sc_id; + u16 hw_sa_id[CN10K_MCS_SA_PER_SC]; + u8 sa_bmap; + u8 sa_key[CN10K_MCS_SA_PER_SC][MACSEC_MAX_KEY_LEN]; + u8 salt[CN10K_MCS_SA_PER_SC][MACSEC_SALT_LEN]; + ssci_t ssci[CN10K_MCS_SA_PER_SC]; +}; + +struct cn10k_mcs_cfg { + struct list_head txsc_list; + struct list_head rxsc_list; +}; + +struct pf_irq_data { + u64 intr_status; + void (*pf_queue_work_hdlr)(struct mbox *mb, struct workqueue_struct *mw, + int first, int mdevs, u64 intr); + struct otx2_nic *pf; + int vec_num; + int start; + int mdevs; }; struct otx2_nic { @@ -312,7 +463,7 @@ struct otx2_nic { struct net_device *netdev; struct dev_hw_ops *hw_ops; void *iommu_domain; - u16 max_frs; + u16 tx_max_pktlen; u16 rbsize; /* Receive buffer size */ #define OTX2_FLAG_RX_TSTAMP_ENABLED BIT_ULL(0) @@ -329,8 +480,17 @@ struct otx2_nic { #define OTX2_FLAG_TC_FLOWER_SUPPORT BIT_ULL(11) #define OTX2_FLAG_TC_MATCHALL_EGRESS_ENABLED BIT_ULL(12) #define OTX2_FLAG_TC_MATCHALL_INGRESS_ENABLED BIT_ULL(13) +#define OTX2_FLAG_DMACFLTR_SUPPORT BIT_ULL(14) +#define OTX2_FLAG_PTP_ONESTEP_SYNC BIT_ULL(15) +#define OTX2_FLAG_ADPTV_INT_COAL_ENABLED BIT_ULL(16) +#define OTX2_FLAG_TC_MARK_ENABLED BIT_ULL(17) +#define OTX2_FLAG_REP_MODE_ENABLED BIT_ULL(18) +#define OTX2_FLAG_PORT_UP BIT_ULL(19) +#define OTX2_FLAG_IPSEC_OFFLOAD_ENABLED BIT_ULL(20) u64 flags; + u64 *cq_op_addr; + struct bpf_prog *xdp_prog; struct otx2_qset qset; struct otx2_hw hw; struct pci_dev *pdev; @@ -341,6 +501,7 @@ struct otx2_nic { struct mbox *mbox_pfvf; struct workqueue_struct *mbox_wq; struct workqueue_struct *mbox_pfvf_wq; + struct qmem *pfvf_mbox_addr; u8 total_vfs; u16 pcifunc; /* RVU PF_FUNC */ @@ -348,6 +509,10 @@ struct otx2_nic { struct otx2_vf_config *vf_configs; struct cgx_link_user_info linfo; + /* NPC MCAM */ + struct otx2_flow_config *flow_cfg; + struct otx2_mac_table *mac_table; + u64 reset_count; struct work_struct reset_task; struct workqueue_struct *flr_wq; @@ -355,7 +520,6 @@ struct otx2_nic { struct refill_work *refill_wrk; struct workqueue_struct *otx2_wq; struct work_struct rx_mode_work; - struct otx2_mac_table *mac_table; /* Ethtool stuff */ u32 msg_enable; @@ -363,21 +527,52 @@ struct otx2_nic { /* Block address of NIX either BLKADDR_NIX0 or BLKADDR_NIX1 */ int nix_blkaddr; /* LMTST Lines info */ + struct qmem *dync_lmt; u16 tot_lmt_lines; - u16 nix_lmt_lines; + u16 npa_lmt_lines; u32 nix_lmt_size; struct otx2_ptp *ptp; - struct hwtstamp_config tstamp; + struct kernel_hwtstamp_config tstamp; - struct otx2_flow_config *flow_cfg; - struct otx2_tc_info tc_info; unsigned long rq_bmap; + + /* Devlink */ + struct otx2_devlink *dl; + /* PFC */ + u8 pfc_en; +#ifdef CONFIG_DCB + u8 *queue_to_pfc_map; + u16 pfc_schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC]; + bool pfc_alloc_status[NIX_PF_PFC_PRIO_MAX]; +#endif + /* qos */ + struct otx2_qos qos; + + /* napi event count. It is needed for adaptive irq coalescing. */ + u32 napi_events; + +#if IS_ENABLED(CONFIG_MACSEC) + struct cn10k_mcs_cfg *macsec_cfg; +#endif + +#if IS_ENABLED(CONFIG_RVU_ESWITCH) + struct rep_dev **reps; + int rep_cnt; + u16 rep_pf_map[RVU_MAX_REP]; + u16 esw_mode; +#endif + + /* Inline ipsec */ + struct cn10k_ipsec ipsec; + /* af_xdp zero-copy */ + unsigned long *af_xdp_zc_qidx; }; static inline bool is_otx2_lbkvf(struct pci_dev *pdev) { - return pdev->device == PCI_DEVID_OCTEONTX2_RVU_AFVF; + return (pdev->device == PCI_DEVID_OCTEONTX2_RVU_AFVF) || + (pdev->device == PCI_DEVID_RVU_REP); } static inline bool is_96xx_A0(struct pci_dev *pdev) @@ -392,23 +587,43 @@ static inline bool is_96xx_B0(struct pci_dev *pdev) (pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX_RVU_PFVF); } +static inline bool is_otx2_sdp_rep(struct pci_dev *pdev) +{ + return pdev->device == PCI_DEVID_OCTEONTX2_SDP_REP; +} + /* REVID for PCIe devices. * Bits 0..1: minor pass, bit 3..2: major pass * bits 7..4: midr id */ #define PCI_REVISION_ID_96XX 0x00 #define PCI_REVISION_ID_95XX 0x10 -#define PCI_REVISION_ID_LOKI 0x20 +#define PCI_REVISION_ID_95XXN 0x20 #define PCI_REVISION_ID_98XX 0x30 #define PCI_REVISION_ID_95XXMM 0x40 +#define PCI_REVISION_ID_95XXO 0xE0 static inline bool is_dev_otx2(struct pci_dev *pdev) { u8 midr = pdev->revision & 0xF0; return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX || - midr == PCI_REVISION_ID_LOKI || midr == PCI_REVISION_ID_98XX || - midr == PCI_REVISION_ID_95XXMM); + midr == PCI_REVISION_ID_95XXN || midr == PCI_REVISION_ID_98XX || + midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO); +} + +static inline bool is_dev_cn10kb(struct pci_dev *pdev) +{ + return pdev->subsystem_device == PCI_SUBSYS_DEVID_CN10K_B_RVU_PFVF; +} + +static inline bool is_dev_cn10ka_b0(struct pci_dev *pdev) +{ + if (pdev->subsystem_device == PCI_SUBSYS_DEVID_CN10K_A_RVU_PFVF && + (pdev->revision & 0xFF) == 0x54) + return true; + + return false; } static inline void otx2_setup_dev_hw_settings(struct otx2_nic *pfvf) @@ -439,6 +654,9 @@ static inline void otx2_setup_dev_hw_settings(struct otx2_nic *pfvf) if (!is_dev_otx2(pfvf->pdev)) { __set_bit(CN10K_MBOX, &hw->cap_flag); __set_bit(CN10K_LMTST, &hw->cap_flag); + __set_bit(CN10K_RPM, &hw->cap_flag); + __set_bit(CN10K_PTP_ONESTEP, &hw->cap_flag); + __set_bit(QOS_CIR_PIR_SUPPORT, &hw->cap_flag); } } @@ -454,6 +672,9 @@ static inline void __iomem *otx2_get_regaddr(struct otx2_nic *nic, u64 offset) case BLKTYPE_NPA: blkaddr = BLKADDR_NPA; break; + case BLKTYPE_CPT: + blkaddr = BLKADDR_CPT0; + break; default: blkaddr = BLKADDR_RVUM; break; @@ -535,8 +756,9 @@ static inline void otx2_write128(u64 lo, u64 hi, void __iomem *addr) ::[x0]"r"(lo), [x1]"r"(hi), [p1]"r"(addr)); } -static inline u64 otx2_atomic64_add(u64 incr, u64 *ptr) +static inline u64 otx2_atomic64_add(u64 incr, void __iomem *addr) { + u64 __iomem *ptr = addr; u64 result; __asm__ volatile(".cpu generic+lse\n" @@ -549,19 +771,24 @@ static inline u64 otx2_atomic64_add(u64 incr, u64 *ptr) #else #define otx2_write128(lo, hi, addr) writeq((hi) | (lo), addr) -#define otx2_atomic64_add(incr, ptr) ({ *ptr += incr; }) + +static inline u64 otx2_atomic64_add(u64 incr, void __iomem *addr) +{ + return 0; +} #endif static inline void __cn10k_aura_freeptr(struct otx2_nic *pfvf, u64 aura, - u64 *ptrs, u64 num_ptrs, - u64 *lmt_addr) + u64 *ptrs, u64 num_ptrs) { + struct otx2_lmt_info *lmt_info; u64 size = 0, count_eot = 0; u64 tar_addr, val = 0; + lmt_info = per_cpu_ptr(pfvf->hw.lmt_info, smp_processor_id()); tar_addr = (__force u64)otx2_get_regaddr(pfvf, NPA_LF_AURA_BATCH_FREE0); /* LMTID is same as AURA Id */ - val = (aura & 0x7FF) | BIT_ULL(63); + val = (lmt_info->lmt_id & 0x7FF) | BIT_ULL(63); /* Set if [127:64] of last 128bit word has a valid pointer */ count_eot = (num_ptrs % 2) ? 0ULL : 1ULL; /* Set AURA ID to free pointer */ @@ -577,7 +804,8 @@ static inline void __cn10k_aura_freeptr(struct otx2_nic *pfvf, u64 aura, size++; tar_addr |= ((size - 1) & 0x7) << 4; } - memcpy(lmt_addr, ptrs, sizeof(u64) * num_ptrs); + dma_wmb(); + memcpy((u64 *)lmt_info->lmt_addr, ptrs, sizeof(u64) * num_ptrs); /* Perform LMTST flush */ cn10k_lmt_flush(val, tar_addr); } @@ -585,19 +813,19 @@ static inline void __cn10k_aura_freeptr(struct otx2_nic *pfvf, u64 aura, static inline void cn10k_aura_freeptr(void *dev, int aura, u64 buf) { struct otx2_nic *pfvf = dev; - struct otx2_pool *pool; u64 ptrs[2]; - pool = &pfvf->qset.pool[aura]; ptrs[1] = buf; - __cn10k_aura_freeptr(pfvf, aura, ptrs, 2, pool->lmt_addr); + get_cpu(); + /* Free only one buffer at time during init and teardown */ + __cn10k_aura_freeptr(pfvf, aura, ptrs, 2); + put_cpu(); } /* Alloc pointer from pool/aura */ static inline u64 otx2_aura_allocptr(struct otx2_nic *pfvf, int aura) { - u64 *ptr = (u64 *)otx2_get_regaddr(pfvf, - NPA_LF_AURA_OP_ALLOCX(0)); + void __iomem *ptr = otx2_get_regaddr(pfvf, NPA_LF_AURA_OP_ALLOCX(0)); u64 incr = (u64)aura | BIT_ULL(63); return otx2_atomic64_add(incr, ptr); @@ -642,7 +870,7 @@ static inline int otx2_sync_mbox_up_msg(struct mbox *mbox, int devid) if (!otx2_mbox_nonempty(&mbox->mbox_up, devid)) return 0; - otx2_mbox_msg_send(&mbox->mbox_up, devid); + otx2_mbox_msg_send_up(&mbox->mbox_up, devid); err = otx2_mbox_wait_for_rsp(&mbox->mbox_up, devid); if (err) return err; @@ -672,6 +900,7 @@ static struct _req_type __maybe_unused \ *otx2_mbox_alloc_msg_ ## _fn_name(struct mbox *mbox) \ { \ struct _req_type *req; \ + u16 pcifunc = mbox->pfvf->pcifunc; \ \ req = (struct _req_type *)otx2_mbox_alloc_msg_rsp( \ &mbox->mbox, 0, sizeof(struct _req_type), \ @@ -680,7 +909,8 @@ static struct _req_type __maybe_unused \ return NULL; \ req->hdr.sig = OTX2_MBOX_REQ_SIG; \ req->hdr.id = _id; \ - trace_otx2_msg_alloc(mbox->mbox.pdev, _id, sizeof(*req)); \ + req->hdr.pcifunc = pcifunc; \ + trace_otx2_msg_alloc(mbox->mbox.pdev, _id, sizeof(*req), pcifunc); \ return req; \ } @@ -694,19 +924,15 @@ otx2_mbox_up_handler_ ## _fn_name(struct otx2_nic *pfvf, \ struct _rsp_type *rsp); \ MBOX_UP_CGX_MESSAGES +MBOX_UP_MCS_MESSAGES #undef M /* Time to wait before watchdog kicks off */ #define OTX2_TX_TIMEOUT (100 * HZ) -#define RVU_PFVF_PF_SHIFT 10 -#define RVU_PFVF_PF_MASK 0x3F -#define RVU_PFVF_FUNC_SHIFT 0 -#define RVU_PFVF_FUNC_MASK 0x3FF - -static inline int rvu_get_pf(u16 pcifunc) +static inline bool is_otx2_vf(u16 pcifunc) { - return (pcifunc >> RVU_PFVF_PF_SHIFT) & RVU_PFVF_PF_MASK; + return !!(pcifunc & RVU_PFVF_FUNC_MASK); } static inline dma_addr_t otx2_dma_map_page(struct otx2_nic *pfvf, @@ -731,6 +957,51 @@ static inline void otx2_dma_unmap_page(struct otx2_nic *pfvf, dir, DMA_ATTR_SKIP_CPU_SYNC); } +static inline u16 otx2_get_smq_idx(struct otx2_nic *pfvf, u16 qidx) +{ + u16 smq; + int idx; + +#ifdef CONFIG_DCB + if (qidx < NIX_PF_PFC_PRIO_MAX && pfvf->pfc_alloc_status[qidx]) + return pfvf->pfc_schq_list[NIX_TXSCH_LVL_SMQ][qidx]; +#endif + /* check if qidx falls under QOS queues */ + if (qidx >= pfvf->hw.non_qos_queues) { + smq = pfvf->qos.qid_to_sqmap[qidx - pfvf->hw.non_qos_queues]; + } else { + idx = qidx % pfvf->hw.txschq_cnt[NIX_TXSCH_LVL_SMQ]; + smq = pfvf->hw.txschq_list[NIX_TXSCH_LVL_SMQ][idx]; + } + + return smq; +} + +static inline u16 otx2_get_total_tx_queues(struct otx2_nic *pfvf) +{ + return pfvf->hw.non_qos_queues + pfvf->hw.tc_tx_queues; +} + +static inline u64 otx2_convert_rate(u64 rate) +{ + u64 converted_rate; + + /* Convert bytes per second to Mbps */ + converted_rate = rate * 8; + converted_rate = max_t(u64, converted_rate / 1000000, 1); + + return converted_rate; +} + +static inline int otx2_tc_flower_rule_cnt(struct otx2_nic *pfvf) +{ + /* return here if MCAM entries not allocated */ + if (!pfvf->flow_cfg) + return 0; + + return pfvf->flow_cfg->nr_flows; +} + /* MSI-X APIs */ void otx2_free_cints(struct otx2_nic *pfvf, int n); void otx2_set_cints_affinity(struct otx2_nic *pfvf); @@ -741,6 +1012,7 @@ void otx2_get_mac_from_af(struct net_device *netdev); void otx2_config_irq_coalescing(struct otx2_nic *pfvf, int qidx); int otx2_config_pause_frm(struct otx2_nic *pfvf); void otx2_setup_segmentation(struct otx2_nic *pfvf); +int otx2_reset_mac_stats(struct otx2_nic *pfvf); /* RVU block related APIs */ int otx2_attach_npa_nix(struct otx2_nic *pfvf); @@ -753,27 +1025,56 @@ void otx2_free_aura_ptr(struct otx2_nic *pfvf, int type); void otx2_sq_free_sqbs(struct otx2_nic *pfvf); int otx2_config_nix(struct otx2_nic *pfvf); int otx2_config_nix_queues(struct otx2_nic *pfvf); -int otx2_txschq_config(struct otx2_nic *pfvf, int lvl); +int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool pfc_en); int otx2_txsch_alloc(struct otx2_nic *pfvf); -int otx2_txschq_stop(struct otx2_nic *pfvf); +void otx2_txschq_stop(struct otx2_nic *pfvf); +void otx2_txschq_free_one(struct otx2_nic *pfvf, u16 lvl, u16 schq); +void otx2_free_pending_sqe(struct otx2_nic *pfvf); void otx2_sqb_flush(struct otx2_nic *pfvf); -int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool, - dma_addr_t *dma); +int otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool, + dma_addr_t *dma, int qidx, int idx); int otx2_rxtx_enable(struct otx2_nic *pfvf, bool enable); void otx2_ctx_disable(struct mbox *mbox, int type, bool npa); int otx2_nix_config_bp(struct otx2_nic *pfvf, bool enable); -void otx2_cleanup_rx_cqes(struct otx2_nic *pfvf, struct otx2_cq_queue *cq); +int otx2_nix_cpt_config_bp(struct otx2_nic *pfvf, bool enable); +void otx2_cleanup_rx_cqes(struct otx2_nic *pfvf, struct otx2_cq_queue *cq, int qidx); void otx2_cleanup_tx_cqes(struct otx2_nic *pfvf, struct otx2_cq_queue *cq); -int otx2_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura); -int cn10k_sq_aq_init(void *dev, u16 qidx, u16 sqb_aura); +int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura); +int otx2_sq_aq_init(void *dev, u16 qidx, u8 chan_offset, u16 sqb_aura); +int cn10k_sq_aq_init(void *dev, u16 qidx, u8 chan_offset, u16 sqb_aura); int otx2_alloc_buffer(struct otx2_nic *pfvf, struct otx2_cq_queue *cq, dma_addr_t *dma); +int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id, + int stack_pages, int numptrs, int buf_size, int type); +int otx2_aura_init(struct otx2_nic *pfvf, int aura_id, + int pool_id, int numptrs); +int otx2_init_rsrc(struct pci_dev *pdev, struct otx2_nic *pf); +void otx2_free_queue_mem(struct otx2_qset *qset); +int otx2_alloc_queue_mem(struct otx2_nic *pf); +int otx2_init_hw_resources(struct otx2_nic *pfvf); +void otx2_free_hw_resources(struct otx2_nic *pf); +int otx2_wq_init(struct otx2_nic *pf); +int otx2_check_pf_usable(struct otx2_nic *pf); +int otx2_pfaf_mbox_init(struct otx2_nic *pf); +int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af); +int otx2_realloc_msix_vectors(struct otx2_nic *pf); +void otx2_pfaf_mbox_destroy(struct otx2_nic *pf); +void otx2_disable_mbox_intr(struct otx2_nic *pf); +void otx2_disable_napi(struct otx2_nic *pf); +irqreturn_t otx2_cq_intr_handler(int irq, void *cq_irq); +int otx2_rq_init(struct otx2_nic *pfvf, u16 qidx, u16 lpb_aura); +int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx); +int otx2_set_hw_capabilities(struct otx2_nic *pfvf); +int otx2_aura_aq_init(struct otx2_nic *pfvf, int aura_id, + int pool_id, int numptrs); +int otx2_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id, + int stack_pages, int numptrs, int buf_size, int type); /* RSS configuration APIs*/ int otx2_rss_init(struct otx2_nic *pfvf); int otx2_set_flowkey_cfg(struct otx2_nic *pfvf); void otx2_set_rss_key(struct otx2_nic *pfvf); -int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id); +int otx2_set_rss_table(struct otx2_nic *pfvf, int ctx_id, const u32 *ind_tbl); /* Mbox handlers */ void mbox_handler_msix_offset(struct otx2_nic *pfvf, @@ -807,9 +1108,16 @@ int otx2_open(struct net_device *netdev); int otx2_stop(struct net_device *netdev); int otx2_set_real_num_queues(struct net_device *netdev, int tx_queues, int rx_queues); +int otx2_config_hwtstamp_get(struct net_device *netdev, + struct kernel_hwtstamp_config *config); +int otx2_config_hwtstamp_set(struct net_device *netdev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack); + /* MCAM filter related APIs */ int otx2_mcam_flow_init(struct otx2_nic *pf); -int otx2_alloc_mcam_entries(struct otx2_nic *pfvf); +int otx2vf_mcam_flow_init(struct otx2_nic *pfvf); +int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u16 count); void otx2_mcam_flow_del(struct otx2_nic *pf); int otx2_destroy_ntuple_flows(struct otx2_nic *pf); int otx2_destroy_mcam_flows(struct otx2_nic *pfvf); @@ -820,17 +1128,97 @@ int otx2_get_all_flows(struct otx2_nic *pfvf, int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc); int otx2_remove_flow(struct otx2_nic *pfvf, u32 location); -int otx2_prepare_flow_request(struct ethtool_rx_flow_spec *fsp, - struct npc_install_flow_req *req); +int otx2_get_maxflows(struct otx2_flow_config *flow_cfg); void otx2_rss_ctx_flow_del(struct otx2_nic *pfvf, int ctx_id); int otx2_del_macfilter(struct net_device *netdev, const u8 *mac); int otx2_add_macfilter(struct net_device *netdev, const u8 *mac); int otx2_enable_rxvlan(struct otx2_nic *pf, bool enable); int otx2_install_rxvlan_offload_flow(struct otx2_nic *pfvf); +bool otx2_xdp_sq_append_pkt(struct otx2_nic *pfvf, struct xdp_frame *xdpf, + u64 iova, int len, u16 qidx, u16 flags); +void otx2_xdp_sqe_add_sg(struct otx2_snd_queue *sq, struct xdp_frame *xdpf, + u64 dma_addr, int len, int *offset, u16 flags); u16 otx2_get_max_mtu(struct otx2_nic *pfvf); +int otx2_handle_ntuple_tc_features(struct net_device *netdev, + netdev_features_t features); +int otx2_smq_flush(struct otx2_nic *pfvf, int smq); +void otx2_free_bufs(struct otx2_nic *pfvf, struct otx2_pool *pool, + u64 iova, int size); +int otx2_mcam_entry_init(struct otx2_nic *pfvf); + /* tc support */ int otx2_init_tc(struct otx2_nic *nic); void otx2_shutdown_tc(struct otx2_nic *nic); int otx2_setup_tc(struct net_device *netdev, enum tc_setup_type type, void *type_data); +void otx2_tc_apply_ingress_police_rules(struct otx2_nic *nic); + +/* CGX/RPM DMAC filters support */ +int otx2_dmacflt_get_max_cnt(struct otx2_nic *pf); +int otx2_dmacflt_add(struct otx2_nic *pf, const u8 *mac, u32 bit_pos); +int otx2_dmacflt_remove(struct otx2_nic *pf, const u8 *mac, u32 bit_pos); +int otx2_dmacflt_update(struct otx2_nic *pf, u8 *mac, u32 bit_pos); +void otx2_dmacflt_reinstall_flows(struct otx2_nic *pf); +void otx2_dmacflt_update_pfmac_flow(struct otx2_nic *pfvf); + +#ifdef CONFIG_DCB +/* DCB support*/ +void otx2_update_bpid_in_rqctx(struct otx2_nic *pfvf, int vlan_prio, int qidx, bool pfc_enable); +int otx2_config_priority_flow_ctrl(struct otx2_nic *pfvf); +int otx2_dcbnl_set_ops(struct net_device *dev); +/* PFC support */ +int otx2_pfc_txschq_config(struct otx2_nic *pfvf); +int otx2_pfc_txschq_alloc(struct otx2_nic *pfvf); +int otx2_pfc_txschq_update(struct otx2_nic *pfvf); +int otx2_pfc_txschq_stop(struct otx2_nic *pfvf); +#endif + +#if IS_ENABLED(CONFIG_MACSEC) +/* MACSEC offload support */ +int cn10k_mcs_init(struct otx2_nic *pfvf); +void cn10k_mcs_free(struct otx2_nic *pfvf); +void cn10k_handle_mcs_event(struct otx2_nic *pfvf, struct mcs_intr_info *event); +#else +static inline int cn10k_mcs_init(struct otx2_nic *pfvf) { return 0; } +static inline void cn10k_mcs_free(struct otx2_nic *pfvf) {} +static inline void cn10k_handle_mcs_event(struct otx2_nic *pfvf, + struct mcs_intr_info *event) +{} +#endif /* CONFIG_MACSEC */ + +/* qos support */ +static inline void otx2_qos_init(struct otx2_nic *pfvf, int qos_txqs) +{ + struct otx2_hw *hw = &pfvf->hw; + + hw->tc_tx_queues = qos_txqs; + INIT_LIST_HEAD(&pfvf->qos.qos_tree); + mutex_init(&pfvf->qos.qos_lock); +} + +static inline void otx2_shutdown_qos(struct otx2_nic *pfvf) +{ + mutex_destroy(&pfvf->qos.qos_lock); +} + +u16 otx2_select_queue(struct net_device *netdev, struct sk_buff *skb, + struct net_device *sb_dev); +int otx2_get_txq_by_classid(struct otx2_nic *pfvf, u16 classid); +void otx2_qos_config_txschq(struct otx2_nic *pfvf); +void otx2_clean_qos_queues(struct otx2_nic *pfvf); +int rvu_event_up_notify(struct otx2_nic *pf, struct rep_event *info); +int otx2_setup_tc_cls_flower(struct otx2_nic *nic, + struct flow_cls_offload *cls_flower); + +static inline int mcam_entry_cmp(const void *a, const void *b) +{ + return *(u16 *)a - *(u16 *)b; +} + +dma_addr_t otx2_dma_map_skb_frag(struct otx2_nic *pfvf, + struct sk_buff *skb, int seg, int *len); +void otx2_dma_unmap_skb_frags(struct otx2_nic *pfvf, struct sg_list *sg); +int otx2_read_free_sqe(struct otx2_nic *pfvf, u16 qidx); +void otx2_queue_vf_work(struct mbox *mw, struct workqueue_struct *mbox_wq, + int first, int mdevs, u64 intr); #endif /* OTX2_COMMON_H */ |
