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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:
Bryan Whitehead
David S. Miller
parent
217e502b89
commit
07624df1c9
6 changed files with 1443 additions and 5 deletions
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@ -6,4 +6,4 @@ obj-$(CONFIG_ENC28J60) += enc28j60.o
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obj-$(CONFIG_ENCX24J600) += encx24j600.o encx24j600-regmap.o
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obj-$(CONFIG_LAN743X) += lan743x.o
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lan743x-objs := lan743x_main.o lan743x_ethtool.o
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lan743x-objs := lan743x_main.o lan743x_ethtool.o lan743x_ptp.o
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@ -4,6 +4,7 @@
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#include <linux/netdevice.h>
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#include "lan743x_main.h"
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#include "lan743x_ethtool.h"
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#include <linux/net_tstamp.h>
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#include <linux/pci.h>
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#include <linux/phy.h>
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@ -542,6 +543,31 @@ static int lan743x_ethtool_set_rxfh(struct net_device *netdev,
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return 0;
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}
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static int lan743x_ethtool_get_ts_info(struct net_device *netdev,
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struct ethtool_ts_info *ts_info)
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{
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struct lan743x_adapter *adapter = netdev_priv(netdev);
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ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
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SOF_TIMESTAMPING_RX_SOFTWARE |
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SOF_TIMESTAMPING_SOFTWARE |
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SOF_TIMESTAMPING_TX_HARDWARE |
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SOF_TIMESTAMPING_RX_HARDWARE |
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SOF_TIMESTAMPING_RAW_HARDWARE;
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if (adapter->ptp.ptp_clock)
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ts_info->phc_index = ptp_clock_index(adapter->ptp.ptp_clock);
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else
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ts_info->phc_index = -1;
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ts_info->tx_types = BIT(HWTSTAMP_TX_OFF) |
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BIT(HWTSTAMP_TX_ON) |
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BIT(HWTSTAMP_TX_ONESTEP_SYNC);
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ts_info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
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BIT(HWTSTAMP_FILTER_ALL);
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return 0;
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}
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static int lan743x_ethtool_get_eee(struct net_device *netdev,
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struct ethtool_eee *eee)
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{
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@ -685,6 +711,7 @@ const struct ethtool_ops lan743x_ethtool_ops = {
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.get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size,
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.get_rxfh = lan743x_ethtool_get_rxfh,
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.set_rxfh = lan743x_ethtool_set_rxfh,
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.get_ts_info = lan743x_ethtool_get_ts_info,
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.get_eee = lan743x_ethtool_get_eee,
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.set_eee = lan743x_ethtool_set_eee,
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.get_link_ksettings = phy_ethtool_get_link_ksettings,
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@ -267,6 +267,10 @@ static void lan743x_intr_shared_isr(void *context, u32 int_sts, u32 flags)
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lan743x_intr_software_isr(adapter);
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int_sts &= ~INT_BIT_SW_GP_;
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}
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if (int_sts & INT_BIT_1588_) {
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lan743x_ptp_isr(adapter);
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int_sts &= ~INT_BIT_1588_;
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}
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}
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if (int_sts)
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lan743x_csr_write(adapter, INT_EN_CLR, int_sts);
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@ -976,6 +980,7 @@ static void lan743x_phy_link_status_change(struct net_device *netdev)
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ksettings.base.duplex,
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local_advertisement,
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remote_advertisement);
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lan743x_ptp_update_latency(adapter, ksettings.base.speed);
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}
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}
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@ -1226,6 +1231,7 @@ static void lan743x_tx_release_desc(struct lan743x_tx *tx,
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struct lan743x_tx_buffer_info *buffer_info = NULL;
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struct lan743x_tx_descriptor *descriptor = NULL;
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u32 descriptor_type = 0;
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bool ignore_sync;
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descriptor = &tx->ring_cpu_ptr[descriptor_index];
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buffer_info = &tx->buffer_info[descriptor_index];
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@ -1256,11 +1262,27 @@ static void lan743x_tx_release_desc(struct lan743x_tx *tx,
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buffer_info->dma_ptr = 0;
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buffer_info->buffer_length = 0;
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}
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if (buffer_info->skb) {
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if (!buffer_info->skb)
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goto clear_active;
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if (!(buffer_info->flags & TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED)) {
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dev_kfree_skb(buffer_info->skb);
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buffer_info->skb = NULL;
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goto clear_skb;
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}
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if (cleanup) {
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lan743x_ptp_unrequest_tx_timestamp(tx->adapter);
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dev_kfree_skb(buffer_info->skb);
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} else {
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ignore_sync = (buffer_info->flags &
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TX_BUFFER_INFO_FLAG_IGNORE_SYNC) != 0;
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lan743x_ptp_tx_timestamp_skb(tx->adapter,
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buffer_info->skb, ignore_sync);
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}
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clear_skb:
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buffer_info->skb = NULL;
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clear_active:
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buffer_info->flags &= ~TX_BUFFER_INFO_FLAG_ACTIVE;
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@ -1321,10 +1343,25 @@ static int lan743x_tx_get_avail_desc(struct lan743x_tx *tx)
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return last_head - last_tail - 1;
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}
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void lan743x_tx_set_timestamping_mode(struct lan743x_tx *tx,
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bool enable_timestamping,
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bool enable_onestep_sync)
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{
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if (enable_timestamping)
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tx->ts_flags |= TX_TS_FLAG_TIMESTAMPING_ENABLED;
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else
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tx->ts_flags &= ~TX_TS_FLAG_TIMESTAMPING_ENABLED;
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if (enable_onestep_sync)
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tx->ts_flags |= TX_TS_FLAG_ONE_STEP_SYNC;
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else
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tx->ts_flags &= ~TX_TS_FLAG_ONE_STEP_SYNC;
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}
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static int lan743x_tx_frame_start(struct lan743x_tx *tx,
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unsigned char *first_buffer,
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unsigned int first_buffer_length,
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unsigned int frame_length,
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bool time_stamp,
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bool check_sum)
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{
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/* called only from within lan743x_tx_xmit_frame.
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@ -1362,6 +1399,8 @@ static int lan743x_tx_frame_start(struct lan743x_tx *tx,
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TX_DESC_DATA0_DTYPE_DATA_ |
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TX_DESC_DATA0_FS_ |
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TX_DESC_DATA0_FCS_;
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if (time_stamp)
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tx->frame_data0 |= TX_DESC_DATA0_TSE_;
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if (check_sum)
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tx->frame_data0 |= TX_DESC_DATA0_ICE_ |
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@ -1475,6 +1514,7 @@ static int lan743x_tx_frame_add_fragment(struct lan743x_tx *tx,
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static void lan743x_tx_frame_end(struct lan743x_tx *tx,
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struct sk_buff *skb,
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bool time_stamp,
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bool ignore_sync)
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{
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/* called only from within lan743x_tx_xmit_frame
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@ -1492,6 +1532,8 @@ static void lan743x_tx_frame_end(struct lan743x_tx *tx,
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tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail];
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buffer_info = &tx->buffer_info[tx->frame_tail];
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buffer_info->skb = skb;
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if (time_stamp)
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buffer_info->flags |= TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED;
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if (ignore_sync)
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buffer_info->flags |= TX_BUFFER_INFO_FLAG_IGNORE_SYNC;
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@ -1520,6 +1562,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
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unsigned int frame_length = 0;
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unsigned int head_length = 0;
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unsigned long irq_flags = 0;
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bool do_timestamp = false;
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bool ignore_sync = false;
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int nr_frags = 0;
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bool gso = false;
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@ -1541,6 +1584,14 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
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}
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/* space available, transmit skb */
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if ((skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
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(tx->ts_flags & TX_TS_FLAG_TIMESTAMPING_ENABLED) &&
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(lan743x_ptp_request_tx_timestamp(tx->adapter))) {
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skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
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do_timestamp = true;
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if (tx->ts_flags & TX_TS_FLAG_ONE_STEP_SYNC)
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ignore_sync = true;
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}
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head_length = skb_headlen(skb);
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frame_length = skb_pagelen(skb);
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nr_frags = skb_shinfo(skb)->nr_frags;
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@ -1554,6 +1605,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
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if (lan743x_tx_frame_start(tx,
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skb->data, head_length,
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start_frame_length,
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do_timestamp,
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skb->ip_summed == CHECKSUM_PARTIAL)) {
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dev_kfree_skb(skb);
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goto unlock;
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@ -1581,7 +1633,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
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}
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finish:
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lan743x_tx_frame_end(tx, skb, ignore_sync);
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lan743x_tx_frame_end(tx, skb, do_timestamp, ignore_sync);
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unlock:
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spin_unlock_irqrestore(&tx->ring_lock, irq_flags);
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@ -2410,6 +2462,8 @@ static int lan743x_netdev_close(struct net_device *netdev)
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for (index = 0; index < LAN743X_USED_RX_CHANNELS; index++)
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lan743x_rx_close(&adapter->rx[index]);
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lan743x_ptp_close(adapter);
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lan743x_phy_close(adapter);
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lan743x_mac_close(adapter);
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@ -2437,6 +2491,10 @@ static int lan743x_netdev_open(struct net_device *netdev)
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if (ret)
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goto close_mac;
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ret = lan743x_ptp_open(adapter);
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if (ret)
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goto close_phy;
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lan743x_rfe_open(adapter);
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for (index = 0; index < LAN743X_USED_RX_CHANNELS; index++) {
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@ -2456,6 +2514,9 @@ static int lan743x_netdev_open(struct net_device *netdev)
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if (adapter->rx[index].ring_cpu_ptr)
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lan743x_rx_close(&adapter->rx[index]);
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}
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lan743x_ptp_close(adapter);
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close_phy:
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lan743x_phy_close(adapter);
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close_mac:
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@ -2483,6 +2544,8 @@ static int lan743x_netdev_ioctl(struct net_device *netdev,
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{
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if (!netif_running(netdev))
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return -EINVAL;
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if (cmd == SIOCSHWTSTAMP)
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return lan743x_ptp_ioctl(netdev, ifr, cmd);
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return phy_mii_ioctl(netdev->phydev, ifr, cmd);
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}
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@ -2607,6 +2670,11 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
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adapter->intr.irq = adapter->pdev->irq;
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lan743x_csr_write(adapter, INT_EN_CLR, 0xFFFFFFFF);
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mutex_init(&adapter->dp_lock);
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ret = lan743x_gpio_init(adapter);
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if (ret)
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return ret;
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ret = lan743x_mac_init(adapter);
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if (ret)
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return ret;
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@ -2615,6 +2683,10 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
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if (ret)
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return ret;
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ret = lan743x_ptp_init(adapter);
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if (ret)
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return ret;
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lan743x_rfe_update_mac_address(adapter);
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ret = lan743x_dmac_init(adapter);
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@ -4,12 +4,17 @@
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#ifndef _LAN743X_H
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#define _LAN743X_H
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#include "lan743x_ptp.h"
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#define DRIVER_AUTHOR "Bryan Whitehead <Bryan.Whitehead@microchip.com>"
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#define DRIVER_DESC "LAN743x PCIe Gigabit Ethernet Driver"
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#define DRIVER_NAME "lan743x"
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/* Register Definitions */
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#define ID_REV (0x00)
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#define ID_REV_ID_MASK_ (0xFFFF0000)
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#define ID_REV_ID_LAN7430_ (0x74300000)
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#define ID_REV_ID_LAN7431_ (0x74310000)
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#define ID_REV_IS_VALID_CHIP_ID_(id_rev) \
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(((id_rev) & 0xFFF00000) == 0x74300000)
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#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF)
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@ -62,6 +67,21 @@
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#define E2P_DATA (0x044)
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#define GPIO_CFG0 (0x050)
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#define GPIO_CFG0_GPIO_DIR_BIT_(bit) BIT(16 + (bit))
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#define GPIO_CFG0_GPIO_DATA_BIT_(bit) BIT(0 + (bit))
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#define GPIO_CFG1 (0x054)
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#define GPIO_CFG1_GPIOEN_BIT_(bit) BIT(16 + (bit))
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#define GPIO_CFG1_GPIOBUF_BIT_(bit) BIT(0 + (bit))
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#define GPIO_CFG2 (0x058)
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#define GPIO_CFG2_1588_POL_BIT_(bit) BIT(0 + (bit))
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#define GPIO_CFG3 (0x05C)
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#define GPIO_CFG3_1588_CH_SEL_BIT_(bit) BIT(16 + (bit))
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#define GPIO_CFG3_1588_OE_BIT_(bit) BIT(0 + (bit))
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#define FCT_RX_CTL (0xAC)
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#define FCT_RX_CTL_EN_(channel) BIT(28 + (channel))
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#define FCT_RX_CTL_DIS_(channel) BIT(24 + (channel))
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@ -193,7 +213,8 @@
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#define INT_BIT_DMA_TX_(channel) BIT(16 + (channel))
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#define INT_BIT_ALL_TX_ (0x000F0000)
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#define INT_BIT_SW_GP_ BIT(9)
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#define INT_BIT_ALL_OTHER_ (0x00000280)
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#define INT_BIT_1588_ BIT(7)
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#define INT_BIT_ALL_OTHER_ (INT_BIT_SW_GP_ | INT_BIT_1588_)
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#define INT_BIT_MAS_ BIT(0)
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#define INT_SET (0x784)
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@ -234,6 +255,71 @@
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#define INT_MOD_CFG6 (0x7D8)
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#define INT_MOD_CFG7 (0x7DC)
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#define PTP_CMD_CTL (0x0A00)
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#define PTP_CMD_CTL_PTP_CLK_STP_NSEC_ BIT(6)
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#define PTP_CMD_CTL_PTP_CLOCK_STEP_SEC_ BIT(5)
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#define PTP_CMD_CTL_PTP_CLOCK_LOAD_ BIT(4)
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#define PTP_CMD_CTL_PTP_CLOCK_READ_ BIT(3)
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#define PTP_CMD_CTL_PTP_ENABLE_ BIT(2)
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#define PTP_CMD_CTL_PTP_DISABLE_ BIT(1)
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#define PTP_CMD_CTL_PTP_RESET_ BIT(0)
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#define PTP_GENERAL_CONFIG (0x0A04)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_MASK_(channel) \
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(0x7 << (1 + ((channel) << 2)))
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_100NS_ (0)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_10US_ (1)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_100US_ (2)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_1MS_ (3)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_10MS_ (4)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_200MS_ (5)
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#define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_SET_(channel, value) \
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(((value) & 0x7) << (1 + ((channel) << 2)))
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#define PTP_GENERAL_CONFIG_RELOAD_ADD_X_(channel) (BIT((channel) << 2))
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#define PTP_INT_STS (0x0A08)
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#define PTP_INT_EN_SET (0x0A0C)
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#define PTP_INT_EN_CLR (0x0A10)
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#define PTP_INT_BIT_TX_SWTS_ERR_ BIT(13)
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#define PTP_INT_BIT_TX_TS_ BIT(12)
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#define PTP_INT_BIT_TIMER_B_ BIT(1)
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#define PTP_INT_BIT_TIMER_A_ BIT(0)
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#define PTP_CLOCK_SEC (0x0A14)
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#define PTP_CLOCK_NS (0x0A18)
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#define PTP_CLOCK_SUBNS (0x0A1C)
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#define PTP_CLOCK_RATE_ADJ (0x0A20)
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#define PTP_CLOCK_RATE_ADJ_DIR_ BIT(31)
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#define PTP_CLOCK_STEP_ADJ (0x0A2C)
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#define PTP_CLOCK_STEP_ADJ_DIR_ BIT(31)
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#define PTP_CLOCK_STEP_ADJ_VALUE_MASK_ (0x3FFFFFFF)
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#define PTP_CLOCK_TARGET_SEC_X(channel) (0x0A30 + ((channel) << 4))
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#define PTP_CLOCK_TARGET_NS_X(channel) (0x0A34 + ((channel) << 4))
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#define PTP_CLOCK_TARGET_RELOAD_SEC_X(channel) (0x0A38 + ((channel) << 4))
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#define PTP_CLOCK_TARGET_RELOAD_NS_X(channel) (0x0A3C + ((channel) << 4))
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#define PTP_LATENCY (0x0A5C)
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#define PTP_LATENCY_TX_SET_(tx_latency) (((u32)(tx_latency)) << 16)
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#define PTP_LATENCY_RX_SET_(rx_latency) \
|
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(((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 a new issue