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/linux-6.12.1/drivers/net/ethernet/qlogic/qede/
Dqede_ptp.c21 /* ptp spinlock is used for protecting the cycle/time counter fields
22 * and, also for serializing the qed PTP API invocations.
31 * qede_ptp_adjfine() - Adjust the frequency of the PTP cycle counter.
33 * @info: The PTP clock info structure.
42 struct qede_ptp *ptp = container_of(info, struct qede_ptp, clock_info); in qede_ptp_adjfine() local
44 struct qede_dev *edev = ptp->edev; in qede_ptp_adjfine()
49 spin_lock_bh(&ptp->lock); in qede_ptp_adjfine()
50 rc = ptp->ops->adjfreq(edev->cdev, ppb); in qede_ptp_adjfine()
51 spin_unlock_bh(&ptp->lock); in qede_ptp_adjfine()
53 DP_ERR(edev, "PTP adjfine called while interface is down\n"); in qede_ptp_adjfine()
[all …]
/linux-6.12.1/drivers/net/ethernet/marvell/octeontx2/af/
Dptp.c2 /* Marvell PTP driver
16 #include "ptp.h"
19 #define DRV_NAME "Marvell PTP Driver"
67 #define is_rev_A0(ptp) (((ptp)->pdev->revision & 0x0F) == 0x0) argument
68 #define is_rev_A1(ptp) (((ptp)->pdev->revision & 0x0F) == 0x1) argument
70 /* PTP atomic update operation type */
77 static struct ptp *first_ptp_block;
80 static bool is_ptp_dev_cnf10ka(struct ptp *ptp) in is_ptp_dev_cnf10ka() argument
82 return ptp->pdev->subsystem_device == PCI_SUBSYS_DEVID_CNF10K_A_PTP; in is_ptp_dev_cnf10ka()
85 static bool is_ptp_dev_cn10ka(struct ptp *ptp) in is_ptp_dev_cn10ka() argument
[all …]
/linux-6.12.1/drivers/ptp/
Dptp_clock.c3 * PTP 1588 clock support
29 .name = "ptp",
96 struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); in ptp_clock_settime() local
98 if (ptp_clock_freerun(ptp)) { in ptp_clock_settime()
99 pr_err("ptp: physical clock is free running\n"); in ptp_clock_settime()
103 return ptp->info->settime64(ptp->info, tp); in ptp_clock_settime()
108 struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); in ptp_clock_gettime() local
111 if (ptp->info->gettimex64) in ptp_clock_gettime()
112 err = ptp->info->gettimex64(ptp->info, tp, NULL); in ptp_clock_gettime()
114 err = ptp->info->gettime64(ptp->info, tp); in ptp_clock_gettime()
[all …]
Dptp_sysfs.c3 * PTP 1588 clock support - sysfs interface.
16 struct ptp_clock *ptp = dev_get_drvdata(dev); in clock_name_show() local
17 return sysfs_emit(page, "%s\n", ptp->info->name); in clock_name_show()
25 struct ptp_clock *ptp = dev_get_drvdata(dev); in max_phase_adjustment_show() local
27 return sysfs_emit(page, "%d\n", ptp->info->getmaxphase(ptp->info)); in max_phase_adjustment_show()
35 struct ptp_clock *ptp = dev_get_drvdata(dev); \
36 return sysfs_emit(page, "%d\n", ptp->info->var); \
51 struct ptp_clock *ptp = dev_get_drvdata(dev); in extts_enable_store() local
52 struct ptp_clock_info *ops = ptp->info; in extts_enable_store()
76 struct ptp_clock *ptp = dev_get_drvdata(dev); in extts_fifo_show() local
[all …]
DKconfig3 # PTP clock support configuration
6 menu "PTP clock support"
9 tristate "PTP clock support"
17 standard defines a Precision Time Protocol (PTP), which can
23 This driver adds support for PTP clocks as character
24 devices. If you want to use a PTP clock, then you should
28 will be called ptp.
37 into vmlinux while the PTP support itself is in a loadable
39 If PTP support is disabled, this dependency will still be
43 tristate "Broadcom DTE as PTP clock"
[all …]
Dptp_vclock.c3 * PTP virtual clock driver
43 static int ptp_vclock_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) in ptp_vclock_adjfine() argument
45 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_adjfine()
60 static int ptp_vclock_adjtime(struct ptp_clock_info *ptp, s64 delta) in ptp_vclock_adjtime() argument
62 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_adjtime()
72 static int ptp_vclock_gettime(struct ptp_clock_info *ptp, in ptp_vclock_gettime() argument
75 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_gettime()
87 static int ptp_vclock_gettimex(struct ptp_clock_info *ptp, in ptp_vclock_gettimex() argument
91 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_gettimex()
111 static int ptp_vclock_settime(struct ptp_clock_info *ptp, in ptp_vclock_settime() argument
[all …]
Dptp_chardev.c3 * PTP 1588 clock support - character device implementation.
49 int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin, in ptp_set_pinfunc() argument
52 struct ptp_clock_info *info = ptp->info; in ptp_set_pinfunc()
108 struct ptp_clock *ptp = in ptp_open() local
124 spin_lock_irqsave(&ptp->tsevqs_lock, flags); in ptp_open()
125 list_add_tail(&queue->qlist, &ptp->tsevqs); in ptp_open()
126 spin_unlock_irqrestore(&ptp->tsevqs_lock, flags); in ptp_open()
132 debugfs_create_dir(debugfsname, ptp->debugfs_root); in ptp_open()
146 struct ptp_clock *ptp = in ptp_release() local
151 spin_lock_irqsave(&ptp->tsevqs_lock, flags); in ptp_release()
[all …]
/linux-6.12.1/drivers/net/ethernet/broadcom/bnxt/
Dbnxt_ptp.c62 struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg, in bnxt_ptp_settime() local
67 if (BNXT_PTP_USE_RTC(ptp->bp)) in bnxt_ptp_settime()
68 return bnxt_ptp_cfg_settime(ptp->bp, ns); in bnxt_ptp_settime()
70 spin_lock_irqsave(&ptp->ptp_lock, flags); in bnxt_ptp_settime()
71 timecounter_init(&ptp->tc, &ptp->cc, ns); in bnxt_ptp_settime()
72 spin_unlock_irqrestore(&ptp->ptp_lock, flags); in bnxt_ptp_settime()
80 struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; in bnxt_refclk_read() local
86 high_before = readl(bp->bar0 + ptp->refclk_mapped_regs[1]); in bnxt_refclk_read()
88 low = readl(bp->bar0 + ptp->refclk_mapped_regs[0]); in bnxt_refclk_read()
90 high_now = readl(bp->bar0 + ptp->refclk_mapped_regs[1]); in bnxt_refclk_read()
[all …]
/linux-6.12.1/drivers/net/ethernet/marvell/octeontx2/nic/
Dotx2_ptp.c13 static bool is_tstmp_atomic_update_supported(struct otx2_ptp *ptp) in is_tstmp_atomic_update_supported() argument
19 if (!ptp->nic) in is_tstmp_atomic_update_supported()
22 mutex_lock(&ptp->nic->mbox.lock); in is_tstmp_atomic_update_supported()
23 req = otx2_mbox_alloc_msg_ptp_get_cap(&ptp->nic->mbox); in is_tstmp_atomic_update_supported()
25 mutex_unlock(&ptp->nic->mbox.lock); in is_tstmp_atomic_update_supported()
29 err = otx2_sync_mbox_msg(&ptp->nic->mbox); in is_tstmp_atomic_update_supported()
31 mutex_unlock(&ptp->nic->mbox.lock); in is_tstmp_atomic_update_supported()
34 rsp = (struct ptp_get_cap_rsp *)otx2_mbox_get_rsp(&ptp->nic->mbox.mbox, 0, in is_tstmp_atomic_update_supported()
36 mutex_unlock(&ptp->nic->mbox.lock); in is_tstmp_atomic_update_supported()
49 struct otx2_ptp *ptp = container_of(ptp_info, struct otx2_ptp, in otx2_ptp_hw_adjtime() local
[all …]
/linux-6.12.1/drivers/net/ethernet/hisilicon/hns3/hns3pf/
Dhclge_ptp.c10 struct hclge_ptp *ptp = hdev->ptp; in hclge_ptp_get_cycle() local
12 ptp->cycle.quo = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_QUO_REG) & in hclge_ptp_get_cycle()
14 ptp->cycle.numer = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_NUM_REG); in hclge_ptp_get_cycle()
15 ptp->cycle.den = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); in hclge_ptp_get_cycle()
17 if (ptp->cycle.den == 0) { in hclge_ptp_get_cycle()
18 dev_err(&hdev->pdev->dev, "invalid ptp cycle denominator!\n"); in hclge_ptp_get_cycle()
25 static int hclge_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) in hclge_ptp_adjfine() argument
27 struct hclge_dev *hdev = hclge_ptp_get_hdev(ptp); in hclge_ptp_adjfine()
28 struct hclge_ptp_cycle *cycle = &hdev->ptp->cycle; in hclge_ptp_adjfine()
38 * denominator is fixed to ptp->cycle.den, and numerator in hclge_ptp_adjfine()
[all …]
/linux-6.12.1/drivers/net/ethernet/microchip/
Dlan743x_ptp.c81 struct lan743x_ptp *ptp = &adapter->ptp; in lan743x_ptp_tx_ts_enqueue_ts() local
83 spin_lock_bh(&ptp->tx_ts_lock); in lan743x_ptp_tx_ts_enqueue_ts()
84 if (ptp->tx_ts_queue_size < LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS) { in lan743x_ptp_tx_ts_enqueue_ts()
85 ptp->tx_ts_seconds_queue[ptp->tx_ts_queue_size] = seconds; in lan743x_ptp_tx_ts_enqueue_ts()
86 ptp->tx_ts_nseconds_queue[ptp->tx_ts_queue_size] = nano_seconds; in lan743x_ptp_tx_ts_enqueue_ts()
87 ptp->tx_ts_header_queue[ptp->tx_ts_queue_size] = header; in lan743x_ptp_tx_ts_enqueue_ts()
88 ptp->tx_ts_queue_size++; in lan743x_ptp_tx_ts_enqueue_ts()
93 spin_unlock_bh(&ptp->tx_ts_lock); in lan743x_ptp_tx_ts_enqueue_ts()
98 struct lan743x_ptp *ptp = &adapter->ptp; in lan743x_ptp_tx_ts_complete() local
105 spin_lock_bh(&ptp->tx_ts_lock); in lan743x_ptp_tx_ts_complete()
[all …]
/linux-6.12.1/Documentation/ABI/testing/
Dsysfs-ptp1 What: /sys/class/ptp/
7 features of PTP hardware clocks.
9 What: /sys/class/ptp/ptp<N>/
13 This directory contains the attributes of the Nth PTP
14 hardware clock registered into the PTP class driver
17 What: /sys/class/ptp/ptp<N>/clock_name
21 This file contains the name of the PTP hardware clock
28 What: /sys/class/ptp/ptp<N>/max_adjustment
32 This file contains the PTP hardware clock's maximum
36 What: /sys/class/ptp/ptp<N>/max_vclocks
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/linux-6.12.1/drivers/net/ethernet/sfc/siena/
Dptp.c9 * PTP support is assisted by firmware running on the MC, which provides
11 * PTP event packets are queued onto internal queues for subsequent processing;
17 * with the hardware timestamp. The PTP receive packet queue is searched
21 * It is important for the operation of the PTP protocol that the ordering
47 #include "nic.h" /* indirectly includes ptp.h */
49 /* Maximum number of events expected to make up a PTP event */
76 /* Offsets into PTP packet for identification. These offsets are from the
77 * start of the IP header, not the MAC header. Note that neither PTP V1 nor
78 * PTP V2 permit the use of IPV4 options.
91 /* The minimum length of a PTP V1 packet for offsets, etc. to be valid:
[all …]
/linux-6.12.1/drivers/net/ethernet/sfc/
Dptp.c9 * PTP support is assisted by firmware running on the MC, which provides
11 * PTP event packets are queued onto internal queues for subsequent processing;
17 * with the hardware timestamp. The PTP receive packet queue is searched
21 * It is important for the operation of the PTP protocol that the ordering
47 #include "nic.h" /* indirectly includes ptp.h */
50 /* Maximum number of events expected to make up a PTP event */
80 /* Offsets into PTP packet for identification. These offsets are from the
81 * start of the IP header, not the MAC header. Note that neither PTP V1 nor
82 * PTP V2 permit the use of IPV4 options.
92 /* The minimum length of a PTP V1 packet for offsets, etc. to be valid:
[all …]
/linux-6.12.1/drivers/net/phy/
Ddp83640_reg.h12 #define PTP_CTL 0x0014 /* PTP Control Register */
13 #define PTP_TDR 0x0015 /* PTP Time Data Register */
14 #define PTP_STS 0x0016 /* PTP Status Register */
15 #define PTP_TSTS 0x0017 /* PTP Trigger Status Register */
16 #define PTP_RATEL 0x0018 /* PTP Rate Low Register */
17 #define PTP_RATEH 0x0019 /* PTP Rate High Register */
18 #define PTP_RDCKSUM 0x001a /* PTP Read Checksum */
19 #define PTP_WRCKSUM 0x001b /* PTP Write Checksum */
20 #define PTP_TXTS 0x001c /* PTP Transmit Timestamp Register, in four 16-bit reads */
21 #define PTP_RXTS 0x001d /* PTP Receive Timestamp Register, in six? 16-bit reads */
[all …]
/linux-6.12.1/drivers/net/ethernet/renesas/
Dravb_ptp.c2 /* PTP 1588 clock using the Renesas Ethernet AVB
73 u32 gti_ns_plus_1 = (priv->ptp.current_addend >> 20) + 1; in ravb_ptp_update_compare()
90 /* PTP clock operations */
91 static int ravb_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) in ravb_ptp_adjfine() argument
93 struct ravb_private *priv = container_of(ptp, struct ravb_private, in ravb_ptp_adjfine()
94 ptp.info); in ravb_ptp_adjfine()
100 addend = (u32)adjust_by_scaled_ppm(priv->ptp.default_addend, in ravb_ptp_adjfine()
105 priv->ptp.current_addend = addend; in ravb_ptp_adjfine()
120 static int ravb_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) in ravb_ptp_adjtime() argument
122 struct ravb_private *priv = container_of(ptp, struct ravb_private, in ravb_ptp_adjtime()
[all …]
Drcar_gen4_ptp.c15 #define ptp_to_priv(ptp) container_of(ptp, struct rcar_gen4_ptp_private, info) argument
29 static int rcar_gen4_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) in rcar_gen4_ptp_adjfine() argument
31 struct rcar_gen4_ptp_private *ptp_priv = ptp_to_priv(ptp); in rcar_gen4_ptp_adjfine()
47 static void _rcar_gen4_ptp_gettime(struct ptp_clock_info *ptp, in _rcar_gen4_ptp_gettime() argument
50 struct rcar_gen4_ptp_private *ptp_priv = ptp_to_priv(ptp); in _rcar_gen4_ptp_gettime()
57 static int rcar_gen4_ptp_gettime(struct ptp_clock_info *ptp, in rcar_gen4_ptp_gettime() argument
60 struct rcar_gen4_ptp_private *ptp_priv = ptp_to_priv(ptp); in rcar_gen4_ptp_gettime()
64 _rcar_gen4_ptp_gettime(ptp, ts); in rcar_gen4_ptp_gettime()
71 static void _rcar_gen4_ptp_settime(struct ptp_clock_info *ptp, in _rcar_gen4_ptp_settime() argument
74 struct rcar_gen4_ptp_private *ptp_priv = ptp_to_priv(ptp); in _rcar_gen4_ptp_settime()
[all …]
/linux-6.12.1/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/
Dbase.c44 const int slot = pt->base >> pt->ptp->shift; in nvkm_mmu_ptp_put()
45 struct nvkm_mmu_ptp *ptp = pt->ptp; in nvkm_mmu_ptp_put() local
48 * there will be now, so return PTP to the cache. in nvkm_mmu_ptp_put()
50 if (!ptp->free) in nvkm_mmu_ptp_put()
51 list_add(&ptp->head, &mmu->ptp.list); in nvkm_mmu_ptp_put()
52 ptp->free |= BIT(slot); in nvkm_mmu_ptp_put()
54 /* If there's no more sub-allocations, destroy PTP. */ in nvkm_mmu_ptp_put()
55 if (ptp->free == ptp->mask) { in nvkm_mmu_ptp_put()
56 nvkm_mmu_ptc_put(mmu, force, &ptp->pt); in nvkm_mmu_ptp_put()
57 list_del(&ptp->head); in nvkm_mmu_ptp_put()
[all …]
/linux-6.12.1/include/linux/
Dptp_clock_kernel.h3 * PTP 1588 clock support
19 * struct ptp_clock_request - request PTP clock event
59 * struct ptp_clock_info - describes a PTP hardware clock
145 * @verify: Confirm that a pin can perform a given function. The PTP
178 int (*adjfine)(struct ptp_clock_info *ptp, long scaled_ppm);
179 int (*adjphase)(struct ptp_clock_info *ptp, s32 phase);
180 s32 (*getmaxphase)(struct ptp_clock_info *ptp);
181 int (*adjtime)(struct ptp_clock_info *ptp, s64 delta);
182 int (*gettime64)(struct ptp_clock_info *ptp, struct timespec64 *ts);
183 int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
[all …]
Dptp_classify.h3 * PTP 1588 support
5 * This file implements a BPF that recognizes PTP event messages.
20 #define PTP_CLASS_NONE 0x00 /* not a PTP event message */
50 /* PTP header flag fields */
85 * ptp_classify_raw - classify a PTP packet
89 * determine the PTP class. In case the skb does not contain any
90 * PTP protocol data, PTP_CLASS_NONE will be returned, otherwise
97 * ptp_parse_header - Get pointer to the PTP v2 header
107 * Return: Pointer to the ptp v2 header or NULL if not found
112 * ptp_get_msgtype - Extract ptp message type from given header
[all …]
/linux-6.12.1/drivers/net/ethernet/intel/ice/
Dice_ptp.c179 * @info: the driver's PTP info structure
220 * @info: the driver's PTP info structure
269 switch (pf->ptp.tx_interrupt_mode) { in ice_ptp_cfg_tx_interrupt()
282 enable = pf->ptp.tstamp_config.tx_type == HWTSTAMP_TX_ON; in ice_ptp_cfg_tx_interrupt()
351 enable_rx = pf->ptp.tstamp_config.rx_filter == HWTSTAMP_FILTER_ALL; in ice_ptp_restore_timestamp_mode()
487 * time stored in the device private PTP structure as the basis for timestamp
499 discard_time = pf->ptp.cached_phc_jiffies + msecs_to_jiffies(2000); in ice_ptp_extend_40b_ts()
501 pf->ptp.tx_hwtstamp_discarded++; in ice_ptp_extend_40b_ts()
505 return ice_ptp_extend_32b_ts(pf->ptp.cached_phc_time, in ice_ptp_extend_40b_ts()
511 * @tx: the PTP Tx timestamp tracker to check
[all …]
/linux-6.12.1/drivers/net/ethernet/intel/e1000e/
Dptp.c4 /* PTP 1588 Hardware Clock (PHC)
5 * Derived from PTP Hardware Clock driver for Intel 82576 and 82580 (igb)
19 * @ptp: ptp clock structure
27 static int e1000e_phc_adjfine(struct ptp_clock_info *ptp, long delta) in e1000e_phc_adjfine() argument
29 struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter, in e1000e_phc_adjfine()
61 * @ptp: ptp clock structure
66 static int e1000e_phc_adjtime(struct ptp_clock_info *ptp, s64 delta) in e1000e_phc_adjtime() argument
68 struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter, in e1000e_phc_adjtime()
135 * @ptp: ptp clock structure
141 static int e1000e_phc_getcrosststamp(struct ptp_clock_info *ptp, in e1000e_phc_getcrosststamp() argument
[all …]
/linux-6.12.1/drivers/net/ethernet/chelsio/cxgb4/
Dcxgb4_ptp.c2 * cxgb4_ptp.c:Chelsio PTP support for T5/T6
54 * cxgb4_ptp_is_ptp_tx - determine whether TX packet is PTP or not
55 * @skb: skb of outgoing ptp request
80 * cxgb4_ptp_is_ptp_rx - determine whether RX packet is PTP or not
81 * @skb: skb of incoming ptp request
94 * cxgb4_ptp_read_hwstamp - read timestamp for TX event PTP message
121 * cxgb4_ptprx_timestamping - Enable Timestamp for RX PTP event message
145 "PTP: %s error %d\n", __func__, -err); in cxgb4_ptprx_timestamping()
166 "PTP: %s error %d\n", __func__, -err); in cxgb4_ptp_txtype()
192 "PTP: %s error %d\n", __func__, -err); in cxgb4_ptp_redirect_rx_packet()
[all …]
/linux-6.12.1/drivers/net/dsa/mv88e6xxx/
Dhwtstamp.h18 /* Global 6352 PTP registers */
19 /* Offset 0x00: PTP EtherType */
33 /* Offset 0x05: PTP Global Configuration */
39 /* Offset 0x07: PTP Global Configuration */
48 /* Offset 0x08: PTP Interrupt Status */
51 /* Per-Port 6352 PTP Registers */
52 /* Offset 0x00: PTP Configuration 0 */
62 /* Offset 0x01: PTP Configuration 1 */
65 /* Offset 0x02: PTP Configuration 2 */
71 /* Offset 0x03: PTP LED Configuration */
[all …]
/linux-6.12.1/drivers/net/ethernet/stmicro/stmmac/
Dstmmac_ptp.c3 PTP 1588 clock using the STMMAC.
17 * @ptp: pointer to ptp_clock_info structure
24 static int stmmac_adjust_freq(struct ptp_clock_info *ptp, long scaled_ppm) in stmmac_adjust_freq() argument
27 container_of(ptp, struct stmmac_priv, ptp_clock_ops); in stmmac_adjust_freq()
43 * @ptp: pointer to ptp_clock_info structure
48 static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) in stmmac_adjust_time() argument
51 container_of(ptp, struct stmmac_priv, ptp_clock_ops); in stmmac_adjust_time()
70 /* If EST is enabled, disabled it before adjust ptp time. */ in stmmac_adjust_time()
84 /* Calculate new basetime and re-configured EST after PTP time adjust. */ in stmmac_adjust_time()
118 * @ptp: pointer to ptp_clock_info structure
[all …]

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