mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-10 14:06:39 +07:00
lan743x: lan743x: Add PTP support
PTP support includes: Ingress, and egress timestamping. One step timestamping available. PTP clock support. Periodic output support. Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
217e502b89
commit
07624df1c9
@ -6,4 +6,4 @@ obj-$(CONFIG_ENC28J60) += enc28j60.o
|
||||
obj-$(CONFIG_ENCX24J600) += encx24j600.o encx24j600-regmap.o
|
||||
obj-$(CONFIG_LAN743X) += lan743x.o
|
||||
|
||||
lan743x-objs := lan743x_main.o lan743x_ethtool.o
|
||||
lan743x-objs := lan743x_main.o lan743x_ethtool.o lan743x_ptp.o
|
||||
|
@ -4,6 +4,7 @@
|
||||
#include <linux/netdevice.h>
|
||||
#include "lan743x_main.h"
|
||||
#include "lan743x_ethtool.h"
|
||||
#include <linux/net_tstamp.h>
|
||||
#include <linux/pci.h>
|
||||
#include <linux/phy.h>
|
||||
|
||||
@ -542,6 +543,31 @@ static int lan743x_ethtool_set_rxfh(struct net_device *netdev,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int lan743x_ethtool_get_ts_info(struct net_device *netdev,
|
||||
struct ethtool_ts_info *ts_info)
|
||||
{
|
||||
struct lan743x_adapter *adapter = netdev_priv(netdev);
|
||||
|
||||
ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
|
||||
SOF_TIMESTAMPING_RX_SOFTWARE |
|
||||
SOF_TIMESTAMPING_SOFTWARE |
|
||||
SOF_TIMESTAMPING_TX_HARDWARE |
|
||||
SOF_TIMESTAMPING_RX_HARDWARE |
|
||||
SOF_TIMESTAMPING_RAW_HARDWARE;
|
||||
|
||||
if (adapter->ptp.ptp_clock)
|
||||
ts_info->phc_index = ptp_clock_index(adapter->ptp.ptp_clock);
|
||||
else
|
||||
ts_info->phc_index = -1;
|
||||
|
||||
ts_info->tx_types = BIT(HWTSTAMP_TX_OFF) |
|
||||
BIT(HWTSTAMP_TX_ON) |
|
||||
BIT(HWTSTAMP_TX_ONESTEP_SYNC);
|
||||
ts_info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
|
||||
BIT(HWTSTAMP_FILTER_ALL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int lan743x_ethtool_get_eee(struct net_device *netdev,
|
||||
struct ethtool_eee *eee)
|
||||
{
|
||||
@ -685,6 +711,7 @@ const struct ethtool_ops lan743x_ethtool_ops = {
|
||||
.get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size,
|
||||
.get_rxfh = lan743x_ethtool_get_rxfh,
|
||||
.set_rxfh = lan743x_ethtool_set_rxfh,
|
||||
.get_ts_info = lan743x_ethtool_get_ts_info,
|
||||
.get_eee = lan743x_ethtool_get_eee,
|
||||
.set_eee = lan743x_ethtool_set_eee,
|
||||
.get_link_ksettings = phy_ethtool_get_link_ksettings,
|
||||
|
@ -267,6 +267,10 @@ static void lan743x_intr_shared_isr(void *context, u32 int_sts, u32 flags)
|
||||
lan743x_intr_software_isr(adapter);
|
||||
int_sts &= ~INT_BIT_SW_GP_;
|
||||
}
|
||||
if (int_sts & INT_BIT_1588_) {
|
||||
lan743x_ptp_isr(adapter);
|
||||
int_sts &= ~INT_BIT_1588_;
|
||||
}
|
||||
}
|
||||
if (int_sts)
|
||||
lan743x_csr_write(adapter, INT_EN_CLR, int_sts);
|
||||
@ -976,6 +980,7 @@ static void lan743x_phy_link_status_change(struct net_device *netdev)
|
||||
ksettings.base.duplex,
|
||||
local_advertisement,
|
||||
remote_advertisement);
|
||||
lan743x_ptp_update_latency(adapter, ksettings.base.speed);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1226,6 +1231,7 @@ static void lan743x_tx_release_desc(struct lan743x_tx *tx,
|
||||
struct lan743x_tx_buffer_info *buffer_info = NULL;
|
||||
struct lan743x_tx_descriptor *descriptor = NULL;
|
||||
u32 descriptor_type = 0;
|
||||
bool ignore_sync;
|
||||
|
||||
descriptor = &tx->ring_cpu_ptr[descriptor_index];
|
||||
buffer_info = &tx->buffer_info[descriptor_index];
|
||||
@ -1256,11 +1262,27 @@ static void lan743x_tx_release_desc(struct lan743x_tx *tx,
|
||||
buffer_info->dma_ptr = 0;
|
||||
buffer_info->buffer_length = 0;
|
||||
}
|
||||
if (buffer_info->skb) {
|
||||
if (!buffer_info->skb)
|
||||
goto clear_active;
|
||||
|
||||
if (!(buffer_info->flags & TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED)) {
|
||||
dev_kfree_skb(buffer_info->skb);
|
||||
buffer_info->skb = NULL;
|
||||
goto clear_skb;
|
||||
}
|
||||
|
||||
if (cleanup) {
|
||||
lan743x_ptp_unrequest_tx_timestamp(tx->adapter);
|
||||
dev_kfree_skb(buffer_info->skb);
|
||||
} else {
|
||||
ignore_sync = (buffer_info->flags &
|
||||
TX_BUFFER_INFO_FLAG_IGNORE_SYNC) != 0;
|
||||
lan743x_ptp_tx_timestamp_skb(tx->adapter,
|
||||
buffer_info->skb, ignore_sync);
|
||||
}
|
||||
|
||||
clear_skb:
|
||||
buffer_info->skb = NULL;
|
||||
|
||||
clear_active:
|
||||
buffer_info->flags &= ~TX_BUFFER_INFO_FLAG_ACTIVE;
|
||||
|
||||
@ -1321,10 +1343,25 @@ static int lan743x_tx_get_avail_desc(struct lan743x_tx *tx)
|
||||
return last_head - last_tail - 1;
|
||||
}
|
||||
|
||||
void lan743x_tx_set_timestamping_mode(struct lan743x_tx *tx,
|
||||
bool enable_timestamping,
|
||||
bool enable_onestep_sync)
|
||||
{
|
||||
if (enable_timestamping)
|
||||
tx->ts_flags |= TX_TS_FLAG_TIMESTAMPING_ENABLED;
|
||||
else
|
||||
tx->ts_flags &= ~TX_TS_FLAG_TIMESTAMPING_ENABLED;
|
||||
if (enable_onestep_sync)
|
||||
tx->ts_flags |= TX_TS_FLAG_ONE_STEP_SYNC;
|
||||
else
|
||||
tx->ts_flags &= ~TX_TS_FLAG_ONE_STEP_SYNC;
|
||||
}
|
||||
|
||||
static int lan743x_tx_frame_start(struct lan743x_tx *tx,
|
||||
unsigned char *first_buffer,
|
||||
unsigned int first_buffer_length,
|
||||
unsigned int frame_length,
|
||||
bool time_stamp,
|
||||
bool check_sum)
|
||||
{
|
||||
/* called only from within lan743x_tx_xmit_frame.
|
||||
@ -1362,6 +1399,8 @@ static int lan743x_tx_frame_start(struct lan743x_tx *tx,
|
||||
TX_DESC_DATA0_DTYPE_DATA_ |
|
||||
TX_DESC_DATA0_FS_ |
|
||||
TX_DESC_DATA0_FCS_;
|
||||
if (time_stamp)
|
||||
tx->frame_data0 |= TX_DESC_DATA0_TSE_;
|
||||
|
||||
if (check_sum)
|
||||
tx->frame_data0 |= TX_DESC_DATA0_ICE_ |
|
||||
@ -1475,6 +1514,7 @@ static int lan743x_tx_frame_add_fragment(struct lan743x_tx *tx,
|
||||
|
||||
static void lan743x_tx_frame_end(struct lan743x_tx *tx,
|
||||
struct sk_buff *skb,
|
||||
bool time_stamp,
|
||||
bool ignore_sync)
|
||||
{
|
||||
/* called only from within lan743x_tx_xmit_frame
|
||||
@ -1492,6 +1532,8 @@ static void lan743x_tx_frame_end(struct lan743x_tx *tx,
|
||||
tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail];
|
||||
buffer_info = &tx->buffer_info[tx->frame_tail];
|
||||
buffer_info->skb = skb;
|
||||
if (time_stamp)
|
||||
buffer_info->flags |= TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED;
|
||||
if (ignore_sync)
|
||||
buffer_info->flags |= TX_BUFFER_INFO_FLAG_IGNORE_SYNC;
|
||||
|
||||
@ -1520,6 +1562,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
|
||||
unsigned int frame_length = 0;
|
||||
unsigned int head_length = 0;
|
||||
unsigned long irq_flags = 0;
|
||||
bool do_timestamp = false;
|
||||
bool ignore_sync = false;
|
||||
int nr_frags = 0;
|
||||
bool gso = false;
|
||||
@ -1541,6 +1584,14 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
|
||||
}
|
||||
|
||||
/* space available, transmit skb */
|
||||
if ((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
|
||||
(tx->ts_flags & TX_TS_FLAG_TIMESTAMPING_ENABLED) &&
|
||||
(lan743x_ptp_request_tx_timestamp(tx->adapter))) {
|
||||
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
|
||||
do_timestamp = true;
|
||||
if (tx->ts_flags & TX_TS_FLAG_ONE_STEP_SYNC)
|
||||
ignore_sync = true;
|
||||
}
|
||||
head_length = skb_headlen(skb);
|
||||
frame_length = skb_pagelen(skb);
|
||||
nr_frags = skb_shinfo(skb)->nr_frags;
|
||||
@ -1554,6 +1605,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
|
||||
if (lan743x_tx_frame_start(tx,
|
||||
skb->data, head_length,
|
||||
start_frame_length,
|
||||
do_timestamp,
|
||||
skb->ip_summed == CHECKSUM_PARTIAL)) {
|
||||
dev_kfree_skb(skb);
|
||||
goto unlock;
|
||||
@ -1581,7 +1633,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
|
||||
}
|
||||
|
||||
finish:
|
||||
lan743x_tx_frame_end(tx, skb, ignore_sync);
|
||||
lan743x_tx_frame_end(tx, skb, do_timestamp, ignore_sync);
|
||||
|
||||
unlock:
|
||||
spin_unlock_irqrestore(&tx->ring_lock, irq_flags);
|
||||
@ -2410,6 +2462,8 @@ static int lan743x_netdev_close(struct net_device *netdev)
|
||||
for (index = 0; index < LAN743X_USED_RX_CHANNELS; index++)
|
||||
lan743x_rx_close(&adapter->rx[index]);
|
||||
|
||||
lan743x_ptp_close(adapter);
|
||||
|
||||
lan743x_phy_close(adapter);
|
||||
|
||||
lan743x_mac_close(adapter);
|
||||
@ -2437,6 +2491,10 @@ static int lan743x_netdev_open(struct net_device *netdev)
|
||||
if (ret)
|
||||
goto close_mac;
|
||||
|
||||
ret = lan743x_ptp_open(adapter);
|
||||
if (ret)
|
||||
goto close_phy;
|
||||
|
||||
lan743x_rfe_open(adapter);
|
||||
|
||||
for (index = 0; index < LAN743X_USED_RX_CHANNELS; index++) {
|
||||
@ -2456,6 +2514,9 @@ static int lan743x_netdev_open(struct net_device *netdev)
|
||||
if (adapter->rx[index].ring_cpu_ptr)
|
||||
lan743x_rx_close(&adapter->rx[index]);
|
||||
}
|
||||
lan743x_ptp_close(adapter);
|
||||
|
||||
close_phy:
|
||||
lan743x_phy_close(adapter);
|
||||
|
||||
close_mac:
|
||||
@ -2483,6 +2544,8 @@ static int lan743x_netdev_ioctl(struct net_device *netdev,
|
||||
{
|
||||
if (!netif_running(netdev))
|
||||
return -EINVAL;
|
||||
if (cmd == SIOCSHWTSTAMP)
|
||||
return lan743x_ptp_ioctl(netdev, ifr, cmd);
|
||||
return phy_mii_ioctl(netdev->phydev, ifr, cmd);
|
||||
}
|
||||
|
||||
@ -2607,6 +2670,11 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
|
||||
adapter->intr.irq = adapter->pdev->irq;
|
||||
lan743x_csr_write(adapter, INT_EN_CLR, 0xFFFFFFFF);
|
||||
mutex_init(&adapter->dp_lock);
|
||||
|
||||
ret = lan743x_gpio_init(adapter);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = lan743x_mac_init(adapter);
|
||||
if (ret)
|
||||
return ret;
|
||||
@ -2615,6 +2683,10 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = lan743x_ptp_init(adapter);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
lan743x_rfe_update_mac_address(adapter);
|
||||
|
||||
ret = lan743x_dmac_init(adapter);
|
||||
|
@ -4,12 +4,17 @@
|
||||
#ifndef _LAN743X_H
|
||||
#define _LAN743X_H
|
||||
|
||||
#include "lan743x_ptp.h"
|
||||
|
||||
#define DRIVER_AUTHOR "Bryan Whitehead <Bryan.Whitehead@microchip.com>"
|
||||
#define DRIVER_DESC "LAN743x PCIe Gigabit Ethernet Driver"
|
||||
#define DRIVER_NAME "lan743x"
|
||||
|
||||
/* Register Definitions */
|
||||
#define ID_REV (0x00)
|
||||
#define ID_REV_ID_MASK_ (0xFFFF0000)
|
||||
#define ID_REV_ID_LAN7430_ (0x74300000)
|
||||
#define ID_REV_ID_LAN7431_ (0x74310000)
|
||||
#define ID_REV_IS_VALID_CHIP_ID_(id_rev) \
|
||||
(((id_rev) & 0xFFF00000) == 0x74300000)
|
||||
#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF)
|
||||
@ -62,6 +67,21 @@
|
||||
|
||||
#define E2P_DATA (0x044)
|
||||
|
||||
#define GPIO_CFG0 (0x050)
|
||||
#define GPIO_CFG0_GPIO_DIR_BIT_(bit) BIT(16 + (bit))
|
||||
#define GPIO_CFG0_GPIO_DATA_BIT_(bit) BIT(0 + (bit))
|
||||
|
||||
#define GPIO_CFG1 (0x054)
|
||||
#define GPIO_CFG1_GPIOEN_BIT_(bit) BIT(16 + (bit))
|
||||
#define GPIO_CFG1_GPIOBUF_BIT_(bit) BIT(0 + (bit))
|
||||
|
||||
#define GPIO_CFG2 (0x058)
|
||||
#define GPIO_CFG2_1588_POL_BIT_(bit) BIT(0 + (bit))
|
||||
|
||||
#define GPIO_CFG3 (0x05C)
|
||||
#define GPIO_CFG3_1588_CH_SEL_BIT_(bit) BIT(16 + (bit))
|
||||
#define GPIO_CFG3_1588_OE_BIT_(bit) BIT(0 + (bit))
|
||||
|
||||
#define FCT_RX_CTL (0xAC)
|
||||
#define FCT_RX_CTL_EN_(channel) BIT(28 + (channel))
|
||||
#define FCT_RX_CTL_DIS_(channel) BIT(24 + (channel))
|
||||
@ -193,7 +213,8 @@
|
||||
#define INT_BIT_DMA_TX_(channel) BIT(16 + (channel))
|
||||
#define INT_BIT_ALL_TX_ (0x000F0000)
|
||||
#define INT_BIT_SW_GP_ BIT(9)
|
||||
#define INT_BIT_ALL_OTHER_ (0x00000280)
|
||||
#define INT_BIT_1588_ BIT(7)
|
||||
#define INT_BIT_ALL_OTHER_ (INT_BIT_SW_GP_ | INT_BIT_1588_)
|
||||
#define INT_BIT_MAS_ BIT(0)
|
||||
|
||||
#define INT_SET (0x784)
|
||||
@ -234,6 +255,71 @@
|
||||
#define INT_MOD_CFG6 (0x7D8)
|
||||
#define INT_MOD_CFG7 (0x7DC)
|
||||
|
||||
#define PTP_CMD_CTL (0x0A00)
|
||||
#define PTP_CMD_CTL_PTP_CLK_STP_NSEC_ BIT(6)
|
||||
#define PTP_CMD_CTL_PTP_CLOCK_STEP_SEC_ BIT(5)
|
||||
#define PTP_CMD_CTL_PTP_CLOCK_LOAD_ BIT(4)
|
||||
#define PTP_CMD_CTL_PTP_CLOCK_READ_ BIT(3)
|
||||
#define PTP_CMD_CTL_PTP_ENABLE_ BIT(2)
|
||||
#define PTP_CMD_CTL_PTP_DISABLE_ BIT(1)
|
||||
#define PTP_CMD_CTL_PTP_RESET_ BIT(0)
|
||||
#define PTP_GENERAL_CONFIG (0x0A04)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_MASK_(channel) \
|
||||
(0x7 << (1 + ((channel) << 2)))
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_100NS_ (0)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_10US_ (1)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_100US_ (2)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_1MS_ (3)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_10MS_ (4)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_200MS_ (5)
|
||||
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_SET_(channel, value) \
|
||||
(((value) & 0x7) << (1 + ((channel) << 2)))
|
||||
#define PTP_GENERAL_CONFIG_RELOAD_ADD_X_(channel) (BIT((channel) << 2))
|
||||
|
||||
#define PTP_INT_STS (0x0A08)
|
||||
#define PTP_INT_EN_SET (0x0A0C)
|
||||
#define PTP_INT_EN_CLR (0x0A10)
|
||||
#define PTP_INT_BIT_TX_SWTS_ERR_ BIT(13)
|
||||
#define PTP_INT_BIT_TX_TS_ BIT(12)
|
||||
#define PTP_INT_BIT_TIMER_B_ BIT(1)
|
||||
#define PTP_INT_BIT_TIMER_A_ BIT(0)
|
||||
|
||||
#define PTP_CLOCK_SEC (0x0A14)
|
||||
#define PTP_CLOCK_NS (0x0A18)
|
||||
#define PTP_CLOCK_SUBNS (0x0A1C)
|
||||
#define PTP_CLOCK_RATE_ADJ (0x0A20)
|
||||
#define PTP_CLOCK_RATE_ADJ_DIR_ BIT(31)
|
||||
#define PTP_CLOCK_STEP_ADJ (0x0A2C)
|
||||
#define PTP_CLOCK_STEP_ADJ_DIR_ BIT(31)
|
||||
#define PTP_CLOCK_STEP_ADJ_VALUE_MASK_ (0x3FFFFFFF)
|
||||
#define PTP_CLOCK_TARGET_SEC_X(channel) (0x0A30 + ((channel) << 4))
|
||||
#define PTP_CLOCK_TARGET_NS_X(channel) (0x0A34 + ((channel) << 4))
|
||||
#define PTP_CLOCK_TARGET_RELOAD_SEC_X(channel) (0x0A38 + ((channel) << 4))
|
||||
#define PTP_CLOCK_TARGET_RELOAD_NS_X(channel) (0x0A3C + ((channel) << 4))
|
||||
#define PTP_LATENCY (0x0A5C)
|
||||
#define PTP_LATENCY_TX_SET_(tx_latency) (((u32)(tx_latency)) << 16)
|
||||
#define PTP_LATENCY_RX_SET_(rx_latency) \
|
||||
(((u32)(rx_latency)) & 0x0000FFFF)
|
||||
#define PTP_CAP_INFO (0x0A60)
|
||||
#define PTP_CAP_INFO_TX_TS_CNT_GET_(reg_val) (((reg_val) & 0x00000070) >> 4)
|
||||
|
||||
#define PTP_TX_MOD (0x0AA4)
|
||||
#define PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_ (0x10000000)
|
||||
|
||||
#define PTP_TX_MOD2 (0x0AA8)
|
||||
#define PTP_TX_MOD2_TX_PTP_CLR_UDPV4_CHKSUM_ (0x00000001)
|
||||
|
||||
#define PTP_TX_EGRESS_SEC (0x0AAC)
|
||||
#define PTP_TX_EGRESS_NS (0x0AB0)
|
||||
#define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_MASK_ (0xC0000000)
|
||||
#define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_AUTO_ (0x00000000)
|
||||
#define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_SW_ (0x40000000)
|
||||
#define PTP_TX_EGRESS_NS_TS_NS_MASK_ (0x3FFFFFFF)
|
||||
|
||||
#define PTP_TX_MSG_HEADER (0x0AB4)
|
||||
#define PTP_TX_MSG_HEADER_MSG_TYPE_ (0x000F0000)
|
||||
#define PTP_TX_MSG_HEADER_MSG_TYPE_SYNC_ (0x00000000)
|
||||
|
||||
#define DMAC_CFG (0xC00)
|
||||
#define DMAC_CFG_COAL_EN_ BIT(16)
|
||||
#define DMAC_CFG_CH_ARB_SEL_RX_HIGH_ (0x00000000)
|
||||
@ -542,8 +628,12 @@ struct lan743x_tx_buffer_info;
|
||||
|
||||
#define TX_FRAME_FLAG_IN_PROGRESS BIT(0)
|
||||
|
||||
#define TX_TS_FLAG_TIMESTAMPING_ENABLED BIT(0)
|
||||
#define TX_TS_FLAG_ONE_STEP_SYNC BIT(1)
|
||||
|
||||
struct lan743x_tx {
|
||||
struct lan743x_adapter *adapter;
|
||||
u32 ts_flags;
|
||||
u32 vector_flags;
|
||||
int channel_number;
|
||||
|
||||
@ -570,6 +660,10 @@ struct lan743x_tx {
|
||||
struct sk_buff *overflow_skb;
|
||||
};
|
||||
|
||||
void lan743x_tx_set_timestamping_mode(struct lan743x_tx *tx,
|
||||
bool enable_timestamping,
|
||||
bool enable_onestep_sync);
|
||||
|
||||
/* RX */
|
||||
struct lan743x_rx_descriptor;
|
||||
struct lan743x_rx_buffer_info;
|
||||
@ -610,6 +704,9 @@ struct lan743x_adapter {
|
||||
/* lock, used to prevent concurrent access to data port */
|
||||
struct mutex dp_lock;
|
||||
|
||||
struct lan743x_gpio gpio;
|
||||
struct lan743x_ptp ptp;
|
||||
|
||||
u8 mac_address[ETH_ALEN];
|
||||
|
||||
struct lan743x_phy phy;
|
||||
@ -660,6 +757,7 @@ struct lan743x_adapter {
|
||||
#define TX_DESC_DATA0_IPE_ (0x00200000)
|
||||
#define TX_DESC_DATA0_TPE_ (0x00100000)
|
||||
#define TX_DESC_DATA0_FCS_ (0x00020000)
|
||||
#define TX_DESC_DATA0_TSE_ (0x00010000)
|
||||
#define TX_DESC_DATA0_BUF_LENGTH_MASK_ (0x0000FFFF)
|
||||
#define TX_DESC_DATA0_EXT_LSO_ (0x00200000)
|
||||
#define TX_DESC_DATA0_EXT_PAY_LENGTH_MASK_ (0x000FFFFF)
|
||||
@ -673,6 +771,7 @@ struct lan743x_tx_descriptor {
|
||||
} __aligned(DEFAULT_DMA_DESCRIPTOR_SPACING);
|
||||
|
||||
#define TX_BUFFER_INFO_FLAG_ACTIVE BIT(0)
|
||||
#define TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED BIT(1)
|
||||
#define TX_BUFFER_INFO_FLAG_IGNORE_SYNC BIT(2)
|
||||
#define TX_BUFFER_INFO_FLAG_SKB_FRAGMENT BIT(3)
|
||||
struct lan743x_tx_buffer_info {
|
||||
|
1164
drivers/net/ethernet/microchip/lan743x_ptp.c
Normal file
1164
drivers/net/ethernet/microchip/lan743x_ptp.c
Normal file
File diff suppressed because it is too large
Load Diff
76
drivers/net/ethernet/microchip/lan743x_ptp.h
Normal file
76
drivers/net/ethernet/microchip/lan743x_ptp.h
Normal file
@ -0,0 +1,76 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0+ */
|
||||
/* Copyright (C) 2018 Microchip Technology Inc. */
|
||||
|
||||
#ifndef _LAN743X_PTP_H
|
||||
#define _LAN743X_PTP_H
|
||||
|
||||
#include "linux/ptp_clock_kernel.h"
|
||||
#include "linux/netdevice.h"
|
||||
|
||||
struct lan743x_adapter;
|
||||
|
||||
/* GPIO */
|
||||
struct lan743x_gpio {
|
||||
/* gpio_lock: used to prevent concurrent access to gpio settings */
|
||||
spinlock_t gpio_lock;
|
||||
|
||||
int used_bits;
|
||||
int output_bits;
|
||||
int ptp_bits;
|
||||
u32 gpio_cfg0;
|
||||
u32 gpio_cfg1;
|
||||
u32 gpio_cfg2;
|
||||
u32 gpio_cfg3;
|
||||
};
|
||||
|
||||
int lan743x_gpio_init(struct lan743x_adapter *adapter);
|
||||
|
||||
void lan743x_ptp_isr(void *context);
|
||||
bool lan743x_ptp_request_tx_timestamp(struct lan743x_adapter *adapter);
|
||||
void lan743x_ptp_unrequest_tx_timestamp(struct lan743x_adapter *adapter);
|
||||
void lan743x_ptp_tx_timestamp_skb(struct lan743x_adapter *adapter,
|
||||
struct sk_buff *skb, bool ignore_sync);
|
||||
int lan743x_ptp_init(struct lan743x_adapter *adapter);
|
||||
int lan743x_ptp_open(struct lan743x_adapter *adapter);
|
||||
void lan743x_ptp_close(struct lan743x_adapter *adapter);
|
||||
void lan743x_ptp_update_latency(struct lan743x_adapter *adapter,
|
||||
u32 link_speed);
|
||||
|
||||
int lan743x_ptp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
|
||||
|
||||
#define LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS (4)
|
||||
|
||||
#define PTP_FLAG_PTP_CLOCK_REGISTERED BIT(1)
|
||||
#define PTP_FLAG_ISR_ENABLED BIT(2)
|
||||
|
||||
struct lan743x_ptp {
|
||||
int flags;
|
||||
|
||||
/* command_lock: used to prevent concurrent ptp commands */
|
||||
struct mutex command_lock;
|
||||
|
||||
#ifdef CONFIG_PTP_1588_CLOCK
|
||||
struct ptp_clock *ptp_clock;
|
||||
struct ptp_clock_info ptp_clock_info;
|
||||
struct ptp_pin_desc pin_config[1];
|
||||
#endif /* CONFIG_PTP_1588_CLOCK */
|
||||
|
||||
#define LAN743X_PTP_NUMBER_OF_EVENT_CHANNELS (2)
|
||||
unsigned long used_event_ch;
|
||||
|
||||
int perout_event_ch;
|
||||
int perout_gpio_bit;
|
||||
|
||||
/* tx_ts_lock: used to prevent concurrent access to timestamp arrays */
|
||||
spinlock_t tx_ts_lock;
|
||||
int pending_tx_timestamps;
|
||||
struct sk_buff *tx_ts_skb_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
|
||||
unsigned int tx_ts_ignore_sync_queue;
|
||||
int tx_ts_skb_queue_size;
|
||||
u32 tx_ts_seconds_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
|
||||
u32 tx_ts_nseconds_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
|
||||
u32 tx_ts_header_queue[LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS];
|
||||
int tx_ts_queue_size;
|
||||
};
|
||||
|
||||
#endif /* _LAN743X_PTP_H */
|
Loading…
Reference in New Issue
Block a user