diff options
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k.h | 34 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c | 30 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_main.c | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 110 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pf.c | 101 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pf.h | 17 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_ptp.c | 462 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_type.h | 17 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_vf.c | 57 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_vf.h | 12 |
12 files changed, 11 insertions, 876 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/Makefile b/drivers/net/ethernet/intel/fm10k/Makefile index b006ff6..2aeaa39 100644 --- a/drivers/net/ethernet/intel/fm10k/Makefile +++ b/drivers/net/ethernet/intel/fm10k/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # Intel Ethernet Switch Host Interface Driver -# Copyright(c) 2013 - 2015 Intel Corporation. +# Copyright(c) 2013 - 2016 Intel Corporation. # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, @@ -30,7 +30,6 @@ obj-$(CONFIG_FM10K) += fm10k.o fm10k-y := fm10k_main.o \ fm10k_common.o \ fm10k_pci.o \ - fm10k_ptp.o \ fm10k_netdev.o \ fm10k_ethtool.o \ fm10k_pf.o \ diff --git a/drivers/net/ethernet/intel/fm10k/fm10k.h b/drivers/net/ethernet/intel/fm10k/fm10k.h index 9c7fafe..c21fa86 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k.h @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -27,9 +27,6 @@ #include <linux/rtnetlink.h> #include <linux/if_vlan.h> #include <linux/pci.h> -#include <linux/net_tstamp.h> -#include <linux/clocksource.h> -#include <linux/ptp_clock_kernel.h> #include "fm10k_pf.h" #include "fm10k_vf.h" @@ -342,22 +339,8 @@ struct fm10k_intfc { #ifdef CONFIG_DEBUG_FS struct dentry *dbg_intfc; - #endif /* CONFIG_DEBUG_FS */ - struct ptp_clock_info ptp_caps; - struct ptp_clock *ptp_clock; - - struct sk_buff_head ts_tx_skb_queue; - u32 tx_hwtstamp_timeouts; - struct hwtstamp_config ts_config; - /* We are unable to actually adjust the clock beyond the frequency - * value. Once the clock is started there is no resetting it. As - * such we maintain a separate offset from the actual hardware clock - * to allow for offset adjustment. - */ - s64 ptp_adjust; - rwlock_t systime_lock; #ifdef CONFIG_DCB u8 pfc_en; #endif @@ -546,21 +529,6 @@ static inline void fm10k_dbg_init(void) {} static inline void fm10k_dbg_exit(void) {} #endif /* CONFIG_DEBUG_FS */ -/* Time Stamping */ -void fm10k_systime_to_hwtstamp(struct fm10k_intfc *interface, - struct skb_shared_hwtstamps *hwtstamp, - u64 systime); -void fm10k_ts_tx_enqueue(struct fm10k_intfc *interface, struct sk_buff *skb); -void fm10k_ts_tx_hwtstamp(struct fm10k_intfc *interface, __le16 dglort, - u64 systime); -void fm10k_ts_reset(struct fm10k_intfc *interface); -void fm10k_ts_init(struct fm10k_intfc *interface); -void fm10k_ts_tx_subtask(struct fm10k_intfc *interface); -void fm10k_ptp_register(struct fm10k_intfc *interface); -void fm10k_ptp_unregister(struct fm10k_intfc *interface); -int fm10k_get_ts_config(struct net_device *netdev, struct ifreq *ifr); -int fm10k_set_ts_config(struct net_device *netdev, struct ifreq *ifr); - /* DCB */ #ifdef CONFIG_DCB void fm10k_dcbnl_set_ops(struct net_device *dev); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c index 6ab9df5..ca276c0 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -77,8 +77,6 @@ static const struct fm10k_stats fm10k_gstrings_global_stats[] = { FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail), FM10K_STAT("tx_hang_count", tx_timeout_count), - - FM10K_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts), }; static const struct fm10k_stats fm10k_gstrings_pf_stats[] = { @@ -1140,31 +1138,6 @@ static int fm10k_set_channels(struct net_device *dev, return fm10k_setup_tc(dev, netdev_get_num_tc(dev)); } -static int fm10k_get_ts_info(struct net_device *dev, - struct ethtool_ts_info *info) -{ - struct fm10k_intfc *interface = netdev_priv(dev); - - 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 (interface->ptp_clock) - info->phc_index = ptp_clock_index(interface->ptp_clock); - else - info->phc_index = -1; - - info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); - - info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); - - return 0; -} - static const struct ethtool_ops fm10k_ethtool_ops = { .get_strings = fm10k_get_strings, .get_sset_count = fm10k_get_sset_count, @@ -1192,7 +1165,6 @@ static const struct ethtool_ops fm10k_ethtool_ops = { .set_rxfh = fm10k_set_rssh, .get_channels = fm10k_get_channels, .set_channels = fm10k_set_channels, - .get_ts_info = fm10k_get_ts_info, }; void fm10k_set_ethtool_ops(struct net_device *dev) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index ca5b9d7..58092e5 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2014 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -424,19 +424,6 @@ static inline void fm10k_rx_hash(struct fm10k_ring *ring, PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3); } -static void fm10k_rx_hwtstamp(struct fm10k_ring *rx_ring, - union fm10k_rx_desc *rx_desc, - struct sk_buff *skb) -{ - struct fm10k_intfc *interface = rx_ring->q_vector->interface; - - FM10K_CB(skb)->tstamp = rx_desc->q.timestamp; - - if (unlikely(interface->flags & FM10K_FLAG_RX_TS_ENABLED)) - fm10k_systime_to_hwtstamp(interface, skb_hwtstamps(skb), - le64_to_cpu(rx_desc->q.timestamp)); -} - static void fm10k_type_trans(struct fm10k_ring *rx_ring, union fm10k_rx_desc __maybe_unused *rx_desc, struct sk_buff *skb) @@ -486,8 +473,6 @@ static unsigned int fm10k_process_skb_fields(struct fm10k_ring *rx_ring, fm10k_rx_checksum(rx_ring, rx_desc, skb); - fm10k_rx_hwtstamp(rx_ring, rx_desc, skb); - FM10K_CB(skb)->fi.w.vlan = rx_desc->w.vlan; skb_record_rx_queue(skb, rx_ring->queue_index); @@ -912,11 +897,6 @@ static u8 fm10k_tx_desc_flags(struct sk_buff *skb, u32 tx_flags) /* set type for advanced descriptor with frame checksum insertion */ u32 desc_flags = 0; - /* set timestamping bits */ - if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) && - likely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) - desc_flags |= FM10K_TXD_FLAG_TIME; - /* set checksum offload bits */ desc_flags |= FM10K_SET_FLAG(tx_flags, FM10K_TX_FLAGS_CSUM, FM10K_TXD_FLAG_CSUM); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 1d0f058..32778dd 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -243,9 +243,6 @@ void fm10k_clean_all_tx_rings(struct fm10k_intfc *interface) for (i = 0; i < interface->num_tx_queues; i++) fm10k_clean_tx_ring(interface->tx_ring[i]); - - /* remove any stale timestamp buffers and free them */ - skb_queue_purge(&interface->ts_tx_skb_queue); } /** @@ -660,10 +657,6 @@ static netdev_tx_t fm10k_xmit_frame(struct sk_buff *skb, struct net_device *dev) __skb_put(skb, pad_len); } - /* prepare packet for hardware time stamping */ - if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) - fm10k_ts_tx_enqueue(interface, skb); - if (r_idx >= interface->num_tx_queues) r_idx %= interface->num_tx_queues; @@ -1213,18 +1206,6 @@ static int __fm10k_setup_tc(struct net_device *dev, u32 handle, __be16 proto, return fm10k_setup_tc(dev, tc->tc); } -static int fm10k_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGHWTSTAMP: - return fm10k_get_ts_config(netdev, ifr); - case SIOCSHWTSTAMP: - return fm10k_set_ts_config(netdev, ifr); - default: - return -EOPNOTSUPP; - } -} - static void fm10k_assign_l2_accel(struct fm10k_intfc *interface, struct fm10k_l2_accel *l2_accel) { @@ -1402,7 +1383,6 @@ static const struct net_device_ops fm10k_netdev_ops = { .ndo_get_vf_config = fm10k_ndo_get_vf_config, .ndo_add_vxlan_port = fm10k_add_vxlan_port, .ndo_del_vxlan_port = fm10k_del_vxlan_port, - .ndo_do_ioctl = fm10k_ioctl, .ndo_dfwd_add_station = fm10k_dfwd_add_station, .ndo_dfwd_del_station = fm10k_dfwd_del_station, #ifdef CONFIG_NET_POLL_CONTROLLER diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index a604513..29e9402 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -209,9 +209,6 @@ static void fm10k_reinit(struct fm10k_intfc *interface) netdev->features |= NETIF_F_HW_VLAN_CTAG_RX; } - /* reset clock */ - fm10k_ts_reset(interface); - err = netif_running(netdev) ? fm10k_open(netdev) : 0; if (err) goto err_open; @@ -559,7 +556,6 @@ static void fm10k_service_task(struct work_struct *work) /* tasks only run when interface is up */ fm10k_watchdog_subtask(interface); fm10k_check_hang_subtask(interface); - fm10k_ts_tx_subtask(interface); /* release lock on service events to allow scheduling next event */ fm10k_service_event_complete(interface); @@ -1204,25 +1200,6 @@ static s32 fm10k_mbx_mac_addr(struct fm10k_hw *hw, u32 **results, return 0; } -static s32 fm10k_1588_msg_vf(struct fm10k_hw *hw, u32 **results, - struct fm10k_mbx_info __always_unused *mbx) -{ - struct fm10k_intfc *interface; - u64 timestamp; - s32 err; - - err = fm10k_tlv_attr_get_u64(results[FM10K_1588_MSG_TIMESTAMP], - ×tamp); - if (err) - return err; - - interface = container_of(hw, struct fm10k_intfc, hw); - - fm10k_ts_tx_hwtstamp(interface, 0, timestamp); - - return 0; -} - /* generic error handler for mailbox issues */ static s32 fm10k_mbx_error(struct fm10k_hw *hw, u32 **results, struct fm10k_mbx_info __always_unused *mbx) @@ -1243,7 +1220,6 @@ static const struct fm10k_msg_data vf_mbx_data[] = { FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test), FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_mbx_mac_addr), FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf), - FM10K_VF_MSG_1588_HANDLER(fm10k_1588_msg_vf), FM10K_TLV_MSG_ERROR_HANDLER(fm10k_mbx_error), }; @@ -1341,68 +1317,6 @@ static s32 fm10k_update_pvid(struct fm10k_hw *hw, u32 **results, return 0; } -static s32 fm10k_1588_msg_pf(struct fm10k_hw *hw, u32 **results, - struct fm10k_mbx_info __always_unused *mbx) -{ - struct fm10k_swapi_1588_timestamp timestamp; - struct fm10k_iov_data *iov_data; - struct fm10k_intfc *interface; - u16 sglort, vf_idx; - s32 err; - - err = fm10k_tlv_attr_get_le_struct( - results[FM10K_PF_ATTR_ID_1588_TIMESTAMP], - ×tamp, sizeof(timestamp)); - if (err) - return err; - - interface = container_of(hw, struct fm10k_intfc, hw); - - if (timestamp.dglort) { - fm10k_ts_tx_hwtstamp(interface, timestamp.dglort, - le64_to_cpu(timestamp.egress)); - return 0; - } - - /* either dglort or sglort must be set */ - if (!timestamp.sglort) - return FM10K_ERR_PARAM; - - /* verify GLORT is at least one of the ones we own */ - sglort = le16_to_cpu(timestamp.sglort); - if (!fm10k_glort_valid_pf(hw, sglort)) - return FM10K_ERR_PARAM; - - if (sglort == interface->glort) { - fm10k_ts_tx_hwtstamp(interface, 0, - le64_to_cpu(timestamp.ingress)); - return 0; - } - - /* if there is no iov_data then there is no mailbox to process */ - if (!ACCESS_ONCE(interface->iov_data)) - return FM10K_ERR_PARAM; - - rcu_read_lock(); - - /* notify VF if this timestamp belongs to it */ - iov_data = interface->iov_data; - vf_idx = (hw->mac.dglort_map & FM10K_DGLORTMAP_NONE) - sglort; - - if (!iov_data || vf_idx >= iov_data->num_vfs) { - err = FM10K_ERR_PARAM; - goto err_unlock; - } - - err = hw->iov.ops.report_timestamp(hw, &iov_data->vf_info[vf_idx], - le64_to_cpu(timestamp.ingress)); - -err_unlock: - rcu_read_unlock(); - - return err; -} - static const struct fm10k_msg_data pf_mbx_data[] = { FM10K_PF_MSG_ERR_HANDLER(XCAST_MODES, fm10k_msg_err_pf), FM10K_PF_MSG_ERR_HANDLER(UPDATE_MAC_FWD_RULE, fm10k_msg_err_pf), @@ -1410,7 +1324,6 @@ static const struct fm10k_msg_data pf_mbx_data[] = { FM10K_PF_MSG_ERR_HANDLER(LPORT_CREATE, fm10k_msg_err_pf), FM10K_PF_MSG_ERR_HANDLER(LPORT_DELETE, fm10k_msg_err_pf), FM10K_PF_MSG_UPDATE_PVID_HANDLER(fm10k_update_pvid), - FM10K_PF_MSG_1588_TIMESTAMP_HANDLER(fm10k_1588_msg_pf), FM10K_TLV_MSG_ERROR_HANDLER(fm10k_mbx_error), }; @@ -1789,18 +1702,9 @@ static int fm10k_sw_init(struct fm10k_intfc *interface, return -EIO; } - /* assign BAR 4 resources for use with PTP */ - if (fm10k_read_reg(hw, FM10K_CTRL) & FM10K_CTRL_BAR4_ALLOWED) - interface->sw_addr = ioremap(pci_resource_start(pdev, 4), - pci_resource_len(pdev, 4)); - hw->sw_addr = interface->sw_addr; - /* initialize DCBNL interface */ fm10k_dcbnl_set_ops(netdev); - /* Intitialize timestamp data */ - fm10k_ts_init(interface); - /* set default ring sizes */ interface->tx_ring_count = FM10K_DEFAULT_TXD; interface->rx_ring_count = FM10K_DEFAULT_RXD; @@ -2018,9 +1922,6 @@ static int fm10k_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* kick off service timer now, even when interface is down */ mod_timer(&interface->service_timer, (HZ * 2) + jiffies); - /* Register PTP interface */ - fm10k_ptp_register(interface); - /* print warning for non-optimal configurations */ fm10k_slot_warn(interface); @@ -2077,9 +1978,6 @@ static void fm10k_remove(struct pci_dev *pdev) if (netdev->reg_state == NETREG_REGISTERED) unregister_netdev(netdev); - /* cleanup timestamp handling */ - fm10k_ptp_unregister(interface); - /* release VFs */ fm10k_iov_disable(pdev); @@ -2152,9 +2050,6 @@ static int fm10k_resume(struct pci_dev *pdev) /* reset statistics starting values */ hw->mac.ops.rebind_hw_stats(hw, &interface->stats); - /* reset clock */ - fm10k_ts_reset(interface); - rtnl_lock(); err = fm10k_init_queueing_scheme(interface); @@ -2365,9 +2260,6 @@ static void fm10k_io_resume(struct pci_dev *pdev) /* reassociate interrupts */ fm10k_mbx_request_irq(interface); - /* reset clock */ - fm10k_ts_reset(interface); - if (netif_running(netdev)) err = fm10k_open(netdev); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c index ecc99f9..c8e8ce5 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -1140,19 +1140,6 @@ static void fm10k_iov_update_stats_pf(struct fm10k_hw *hw, fm10k_update_hw_stats_q(hw, q, idx, qpp); } -static s32 fm10k_iov_report_timestamp_pf(struct fm10k_hw *hw, - struct fm10k_vf_info *vf_info, - u64 timestamp) -{ - u32 msg[4]; - - /* generate port state response to notify VF it is not ready */ - fm10k_tlv_msg_init(msg, FM10K_VF_MSG_ID_1588); - fm10k_tlv_attr_put_u64(msg, FM10K_1588_MSG_TIMESTAMP, timestamp); - - return vf_info->mbx.ops.enqueue_tx(hw, &vf_info->mbx, msg); -} - /** * fm10k_iov_msg_msix_pf - Message handler for MSI-X request from VF * @hw: Pointer to hardware structure @@ -1773,89 +1760,6 @@ s32 fm10k_msg_err_pf(struct fm10k_hw *hw, u32 **results, return 0; } -const struct fm10k_tlv_attr fm10k_1588_timestamp_msg_attr[] = { - FM10K_TLV_ATTR_LE_STRUCT(FM10K_PF_ATTR_ID_1588_TIMESTAMP, - sizeof(struct fm10k_swapi_1588_timestamp)), - FM10K_TLV_ATTR_LAST -}; - -/* currently there is no shared 1588 timestamp handler */ - -/** - * fm10k_adjust_systime_pf - Adjust systime frequency - * @hw: pointer to hardware structure - * @ppb: adjustment rate in parts per billion - * - * This function will adjust the SYSTIME_CFG register contained in BAR 4 - * if this function is supported for BAR 4 access. The adjustment amount - * is based on the parts per billion value provided and adjusted to a - * value based on parts per 2^48 clock cycles. - * - * If adjustment is not supported or the requested value is too large - * we will return an error. - **/ -static s32 fm10k_adjust_systime_pf(struct fm10k_hw *hw, s32 ppb) -{ - u64 systime_adjust; - - /* if sw_addr is not set we don't have switch register access */ - if (!hw->sw_addr) - return ppb ? FM10K_ERR_PARAM : 0; - - /* we must convert the value from parts per billion to parts per - * 2^48 cycles. In addition I have opted to only use the 30 most - * significant bits of the adjustment value as the 8 least - * significant bits are located in another register and represent - * a value significantly less than a part per billion, the result - * of dropping the 8 least significant bits is that the adjustment - * value is effectively multiplied by 2^8 when we write it. - * - * As a result of all this the math for this breaks down as follows: - * ppb / 10^9 == adjust * 2^8 / 2^48 - * If we solve this for adjust, and simplify it comes out as: - * ppb * 2^31 / 5^9 == adjust - */ - systime_adjust = (ppb < 0) ? -ppb : ppb; - systime_adjust <<= 31; - do_div(systime_adjust, 1953125); - - /* verify the requested adjustment value is in range */ - if (systime_adjust > FM10K_SW_SYSTIME_ADJUST_MASK) - return FM10K_ERR_PARAM; - - if (ppb > 0) - systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE; - - fm10k_write_sw_reg(hw, FM10K_SW_SYSTIME_ADJUST, (u32)systime_adjust); - - return 0; -} - -/** - * fm10k_read_systime_pf - Reads value of systime registers - * @hw: pointer to the hardware structure - * - * Function reads the content of 2 registers, combined to represent a 64 bit - * value measured in nanosecods. In order to guarantee the value is accurate - * we check the 32 most significant bits both before and after reading the - * 32 least significant bits to verify they didn't change as we were reading - * the registers. - **/ -static u64 fm10k_read_systime_pf(struct fm10k_hw *hw) -{ - u32 systime_l, systime_h, systime_tmp; - - systime_h = fm10k_read_reg(hw, FM10K_SYSTIME + 1); - - do { - systime_tmp = systime_h; - systime_l = fm10k_read_reg(hw, FM10K_SYSTIME); - systime_h = fm10k_read_reg(hw, FM10K_SYSTIME + 1); - } while (systime_tmp != systime_h); - - return ((u64)systime_h << 32) | systime_l; -} - static const struct fm10k_msg_data fm10k_msg_data_pf[] = { FM10K_PF_MSG_ERR_HANDLER(XCAST_MODES, fm10k_msg_err_pf), FM10K_PF_MSG_ERR_HANDLER(UPDATE_MAC_FWD_RULE, fm10k_msg_err_pf), @@ -1885,8 +1789,6 @@ static const struct fm10k_mac_ops mac_ops_pf = { .set_dma_mask = fm10k_set_dma_mask_pf, .get_fault = fm10k_get_fault_pf, .get_host_state = fm10k_get_host_state_pf, - .adjust_systime = fm10k_adjust_systime_pf, - .read_systime = fm10k_read_systime_pf, }; static const struct fm10k_iov_ops iov_ops_pf = { @@ -1898,7 +1800,6 @@ static const struct fm10k_iov_ops iov_ops_pf = { .set_lport = fm10k_iov_set_lport_pf, .reset_lport = fm10k_iov_reset_lport_pf, .update_stats = fm10k_iov_update_stats_pf, - .report_timestamp = fm10k_iov_report_timestamp_pf, }; static s32 fm10k_get_invariants_pf(struct fm10k_hw *hw) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.h b/drivers/net/ethernet/intel/fm10k/fm10k_pf.h index b2d96b4..b78210d 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.h @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -42,8 +42,6 @@ enum fm10k_pf_tlv_msg_id_v1 { FM10K_PF_MSG_ID_UPDATE_FLOW = 0x503, FM10K_PF_MSG_ID_DELETE_FLOW = 0x504, FM10K_PF_MSG_ID_SET_FLOW_STATE = 0x505, - FM10K_PF_MSG_ID_GET_1588_INFO = 0x506, - FM10K_PF_MSG_ID_1588_TIMESTAMP = 0x701, }; enum fm10k_pf_tlv_attr_id_v1 { @@ -61,7 +59,6 @@ enum fm10k_pf_tlv_attr_id_v1 { FM10K_PF_ATTR_ID_DELETE_FLOW = 0x0B, FM10K_PF_ATTR_ID_PORT = 0x0C, FM10K_PF_ATTR_ID_UPDATE_PVID = 0x0D, - FM10K_PF_ATTR_ID_1588_TIMESTAMP = 0x10, }; #define FM10K_MSG_LPORT_MAP_GLORT_SHIFT 0 @@ -100,13 +97,6 @@ struct fm10k_swapi_error { struct fm10k_global_table_data ffu; } __aligned(4) __packed; -struct fm10k_swapi_1588_timestamp { - __le64 egress; - __le64 ingress; - __le16 dglort; - __le16 sglort; -} __aligned(4) __packed; - s32 fm10k_msg_lport_map_pf(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *); extern const struct fm10k_tlv_attr fm10k_lport_map_msg_attr[]; #define FM10K_PF_MSG_LPORT_MAP_HANDLER(func) \ @@ -122,11 +112,6 @@ extern const struct fm10k_tlv_attr fm10k_err_msg_attr[]; #define FM10K_PF_MSG_ERR_HANDLER(msg, func) \ FM10K_MSG_HANDLER(FM10K_PF_MSG_ID_##msg, fm10k_err_msg_attr, func) -extern const struct fm10k_tlv_attr fm10k_1588_timestamp_msg_attr[]; -#define FM10K_PF_MSG_1588_TIMESTAMP_HANDLER(func) \ - FM10K_MSG_HANDLER(FM10K_PF_MSG_ID_1588_TIMESTAMP, \ - fm10k_1588_timestamp_msg_attr, func) - s32 fm10k_iov_msg_msix_pf(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *); s32 fm10k_iov_msg_mac_vlan_pf(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c b/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c deleted file mode 100644 index 1c1ccad..0000000 --- a/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c +++ /dev/null @@ -1,462 +0,0 @@ -/* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in - * the file called "COPYING". - * - * Contact Information: - * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - */ - -#include <linux/ptp_classify.h> -#include <linux/ptp_clock_kernel.h> - -#include "fm10k.h" - -#define FM10K_TS_TX_TIMEOUT (HZ * 15) - -void fm10k_systime_to_hwtstamp(struct fm10k_intfc *interface, - struct skb_shared_hwtstamps *hwtstamp, - u64 systime) -{ - unsigned long flags; - - read_lock_irqsave(&interface->systime_lock, flags); - systime += interface->ptp_adjust; - read_unlock_irqrestore(&interface->systime_lock, flags); - - hwtstamp->hwtstamp = ns_to_ktime(systime); -} - -static struct sk_buff *fm10k_ts_tx_skb(struct fm10k_intfc *interface, - __le16 dglort) -{ - struct sk_buff_head *list = &interface->ts_tx_skb_queue; - struct sk_buff *skb; - - skb_queue_walk(list, skb) { - if (FM10K_CB(skb)->fi.w.dglort == dglort) - return skb; - } - - return NULL; -} - -void fm10k_ts_tx_enqueue(struct fm10k_intfc *interface, struct sk_buff *skb) -{ - struct sk_buff_head *list = &interface->ts_tx_skb_queue; - struct sk_buff *clone; - unsigned long flags; - - /* create clone for us to return on the Tx path */ - clone = skb_clone_sk(skb); - if (!clone) - return; - - FM10K_CB(clone)->ts_tx_timeout = jiffies + FM10K_TS_TX_TIMEOUT; - spin_lock_irqsave(&list->lock, flags); - - /* attempt to locate any buffers with the same dglort, - * if none are present then insert skb in tail of list - */ - skb = fm10k_ts_tx_skb(interface, FM10K_CB(clone)->fi.w.dglort); - if (!skb) { - skb_shinfo(clone)->tx_flags |= SKBTX_IN_PROGRESS; - __skb_queue_tail(list, clone); - } - - spin_unlock_irqrestore(&list->lock, flags); - - /* if list is already has one then we just free the clone */ - if (skb) - dev_kfree_skb(clone); -} - -void fm10k_ts_tx_hwtstamp(struct fm10k_intfc *interface, __le16 dglort, - u64 systime) -{ - struct skb_shared_hwtstamps shhwtstamps; - struct sk_buff_head *list = &interface->ts_tx_skb_queue; - struct sk_buff *skb; - unsigned long flags; - - spin_lock_irqsave(&list->lock, flags); - - /* attempt to locate and pull the sk_buff out of the list */ - skb = fm10k_ts_tx_skb(interface, dglort); - if (skb) - __skb_unlink(skb, list); - - spin_unlock_irqrestore(&list->lock, flags); - - /* if not found do nothing */ - if (!skb) - return; - - /* timestamp the sk_buff and free out copy */ - fm10k_systime_to_hwtstamp(interface, &shhwtstamps, systime); - skb_tstamp_tx(skb, &shhwtstamps); - dev_kfree_skb_any(skb); -} - -void fm10k_ts_tx_subtask(struct fm10k_intfc *interface) -{ - struct sk_buff_head *list = &interface->ts_tx_skb_queue; - struct sk_buff *skb, *tmp; - unsigned long flags; - - /* If we're down or resetting, just bail */ - if (test_bit(__FM10K_DOWN, &interface->state) || - test_bit(__FM10K_RESETTING, &interface->state)) - return; - - spin_lock_irqsave(&list->lock, flags); - - /* walk though the list and flush any expired timestamp packets */ - skb_queue_walk_safe(list, skb, tmp) { - if (!time_is_after_jiffies(FM10K_CB(skb)->ts_tx_timeout)) - continue; - __skb_unlink(skb, list); - kfree_skb(skb); - interface->tx_hwtstamp_timeouts++; - } - - spin_unlock_irqrestore(&list->lock, flags); -} - -static u64 fm10k_systime_read(struct fm10k_intfc *interface) -{ - struct fm10k_hw *hw = &interface->hw; - - return hw->mac.ops.read_systime(hw); -} - -void fm10k_ts_reset(struct fm10k_intfc *interface) -{ - s64 ns = ktime_to_ns(ktime_get_real()); - unsigned long flags; - - /* reinitialize the clock */ - write_lock_irqsave(&interface->systime_lock, flags); - interface->ptp_adjust = fm10k_systime_read(interface) - ns; - write_unlock_irqrestore(&interface->systime_lock, flags); -} - -void fm10k_ts_init(struct fm10k_intfc *interface) -{ - /* Initialize lock protecting systime access */ - rwlock_init(&interface->systime_lock); - - /* Initialize skb queue for pending timestamp requests */ - skb_queue_head_init(&interface->ts_tx_skb_queue); - - /* reset the clock to current kernel time */ - fm10k_ts_reset(interface); -} - -/** - * fm10k_get_ts_config - get current hardware timestamping configuration - * @netdev: network interface device structure - * @ifreq: ioctl data - * - * This function returns the current timestamping settings. Rather than - * attempt to deconstruct registers to fill in the values, simply keep a copy - * of the old settings around, and return a copy when requested. - */ -int fm10k_get_ts_config(struct net_device *netdev, struct ifreq *ifr) -{ - struct fm10k_intfc *interface = netdev_priv(netdev); - struct hwtstamp_config *config = &interface->ts_config; - - return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ? - -EFAULT : 0; -} - -/** - * fm10k_set_ts_config - control hardware time stamping - * @netdev: network interface device structure - * @ifreq: ioctl data - * - * Outgoing time stamping can be enabled and disabled. Play nice and - * disable it when requested, although it shouldn't cause any overhead - * when no packet needs it. At most one packet in the queue may be - * marked for time stamping, otherwise it would be impossible to tell - * for sure to which packet the hardware time stamp belongs. - * - * Incoming time stamping has to be configured via the hardware - * filters. Not all combinations are supported, in particular event - * type has to be specified. Matching the kind of event packet is - * not supported, with the exception of "all V2 events regardless of - * level 2 or 4". - * - * Since hardware always timestamps Path delay packets when timestamping V2 - * packets, regardless of the type specified in the register, only use V2 - * Event mode. This more accurately tells the user what the hardware is going - * to do anyways. - */ -int fm10k_set_ts_config(struct net_device *netdev, struct ifreq *ifr) -{ - struct fm10k_intfc *interface = netdev_priv(netdev); - struct hwtstamp_config ts_config; - - if (copy_from_user(&ts_config, ifr->ifr_data, sizeof(ts_config))) - return -EFAULT; - - /* reserved for future extensions */ - if (ts_config.flags) - return -EINVAL; - - switch (ts_config.tx_type) { - case HWTSTAMP_TX_OFF: - break; - case HWTSTAMP_TX_ON: - /* we likely need some check here to see if this is supported */ - break; - default: - return -ERANGE; - } - - switch (ts_config.rx_filter) { - case HWTSTAMP_FILTER_NONE: - interface->flags &= ~FM10K_FLAG_RX_TS_ENABLED; - break; - case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: - case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: - case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: - case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: - case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: - case HWTSTAMP_FILTER_PTP_V2_EVENT: - case HWTSTAMP_FILTER_PTP_V2_SYNC: - case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: - case HWTSTAMP_FILTER_ALL: - interface->flags |= FM10K_FLAG_RX_TS_ENABLED; - ts_config.rx_filter = HWTSTAMP_FILTER_ALL; - break; - default: - return -ERANGE; - } - - /* save these settings for future reference */ - interface->ts_config = ts_config; - - return copy_to_user(ifr->ifr_data, &ts_config, sizeof(ts_config)) ? - -EFAULT : 0; -} - -static int fm10k_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) -{ - struct fm10k_intfc *interface; - struct fm10k_hw *hw; - int err; - - interface = container_of(ptp, struct fm10k_intfc, ptp_caps); - hw = &interface->hw; - - err = hw->mac.ops.adjust_systime(hw, ppb); - - /* the only error we should see is if the value is out of range */ - return (err == FM10K_ERR_PARAM) ? -ERANGE : err; -} - -static int fm10k_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) -{ - struct fm10k_intfc *interface; - unsigned long flags; - - interface = container_of(ptp, struct fm10k_intfc, ptp_caps); - - write_lock_irqsave(&interface->systime_lock, flags); - interface->ptp_adjust += delta; - write_unlock_irqrestore(&interface->systime_lock, flags); - - return 0; -} - -static int fm10k_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) -{ - struct fm10k_intfc *interface; - unsigned long flags; - u64 now; - - interface = container_of(ptp, struct fm10k_intfc, ptp_caps); - - read_lock_irqsave(&interface->systime_lock, flags); - now = fm10k_systime_read(interface) + interface->ptp_adjust; - read_unlock_irqrestore(&interface->systime_lock, flags); - - *ts = ns_to_timespec64(now); - - return 0; -} - -static int fm10k_ptp_settime(struct ptp_clock_info *ptp, - const struct timespec64 *ts) -{ - struct fm10k_intfc *interface; - unsigned long flags; - u64 ns = timespec64_to_ns(ts); - - interface = container_of(ptp, struct fm10k_intfc, ptp_caps); - - write_lock_irqsave(&interface->systime_lock, flags); - interface->ptp_adjust = fm10k_systime_read(interface) - ns; - write_unlock_irqrestore(&interface->systime_lock, flags); - - return 0; -} - -static int fm10k_ptp_enable(struct ptp_clock_info *ptp, - struct ptp_clock_request *rq, - int __always_unused on) -{ - struct ptp_clock_time *t = &rq->perout.period; - struct fm10k_intfc *interface; - struct fm10k_hw *hw; - u64 period; - u32 step; - - /* we can only support periodic output */ - if (rq->type != PTP_CLK_REQ_PEROUT) - return -EINVAL; - - /* verify the requested channel is there */ - if (rq->perout.index >= ptp->n_per_out) - return -EINVAL; - - /* we cannot enforce start time as there is no - * mechanism for that in the hardware, we can only control - * the period. - */ - - /* we cannot support periods greater than 4 seconds due to reg limit */ - if (t->sec > 4 || t->sec < 0) - return -ERANGE; - - interface = container_of(ptp, struct fm10k_intfc, ptp_caps); - hw = &interface->hw; - - /* we simply cannot support the operation if we don't have BAR4 */ - if (!hw->sw_addr) - return -ENOTSUPP; - - /* convert to unsigned 64b ns, verify we can put it in a 32b register */ - period = t->sec * 1000000000LL + t->nsec; - - /* determine the minimum size for period */ - step = 2 * (fm10k_read_reg(hw, FM10K_SYSTIME_CFG) & - FM10K_SYSTIME_CFG_STEP_MASK); - - /* verify the value is in range supported by hardware */ - if ((period && (period < step)) || (period > U32_MAX)) - return -ERANGE; - - /* notify hardware of request to being sending pulses */ - fm10k_write_sw_reg(hw, FM10K_SW_SYSTIME_PULSE(rq->perout.index), - (u32)period); - - return 0; -} - -static struct ptp_pin_desc fm10k_ptp_pd[2] = { - { - .name = "IEEE1588_PULSE0", - .index = 0, - .func = PTP_PF_PEROUT, - .chan = 0 - }, - { - .name = "IEEE1588_PULSE1", - .index = 1, - .func = PTP_PF_PEROUT, - .chan = 1 - } -}; - -static int fm10k_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin, - enum ptp_pin_function func, unsigned int chan) -{ - /* verify the requested pin is there */ - if (pin >= ptp->n_pins || !ptp->pin_config) - return -EINVAL; - - /* enforce locked channels, no changing them */ - if (chan != ptp->pin_config[pin].chan) - return -EINVAL; - - /* we want to keep the functions locked as well */ - if (func != ptp->pin_config[pin].func) - return -EINVAL; - - return 0; -} - -void fm10k_ptp_register(struct fm10k_intfc *interface) -{ - struct ptp_clock_info *ptp_caps = &interface->ptp_caps; - struct device *dev = &interface->pdev->dev; - struct ptp_clock *ptp_clock; - - snprintf(ptp_caps->name, sizeof(ptp_caps->name), - "%s", interface->netdev->name); - ptp_caps->owner = THIS_MODULE; - /* This math is simply the inverse of the math in - * fm10k_adjust_systime_pf applied to an adjustment value - * of 2^30 - 1 which is the maximum value of the register: - * max_ppb == ((2^30 - 1) * 5^9) / 2^31 - */ - ptp_caps->max_adj = 976562; - ptp_caps->adjfreq = fm10k_ptp_adjfreq; - ptp_caps->adjtime = fm10k_ptp_adjtime; - ptp_caps->gettime64 = fm10k_ptp_gettime; - ptp_caps->settime64 = fm10k_ptp_settime; - - /* provide pins if BAR4 is accessible */ - if (interface->sw_addr) { - /* enable periodic outputs */ - ptp_caps->n_per_out = 2; - ptp_caps->enable = fm10k_ptp_enable; - - /* enable clock pins */ - ptp_caps->verify = fm10k_ptp_verify; - ptp_caps->n_pins = 2; - ptp_caps->pin_config = fm10k_ptp_pd; - } - - ptp_clock = ptp_clock_register(ptp_caps, dev); - if (IS_ERR(ptp_clock)) { - ptp_clock = NULL; - dev_err(dev, "ptp_clock_register failed\n"); - } else { - dev_info(dev, "registered PHC device %s\n", ptp_caps->name); - } - - interface->ptp_clock = ptp_clock; -} - -void fm10k_ptp_unregister(struct fm10k_intfc *interface) -{ - struct ptp_clock *ptp_clock = interface->ptp_clock; - struct device *dev = &interface->pdev->dev; - - if (!ptp_clock) - return; - - interface->ptp_clock = NULL; - - ptp_clock_unregister(ptp_clock); - dev_info(dev, "removed PHC %s\n", interface->ptp_caps.name); -} diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_type.h b/drivers/net/ethernet/intel/fm10k/fm10k_type.h index 5c05330..995dcee 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_type.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k_type.h @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -225,11 +225,6 @@ struct fm10k_hw; #define FM10K_STATS_LOOPBACK_DROP 0x3806 #define FM10K_STATS_NODESC_DROP 0x3807 -/* Timesync registers */ -#define FM10K_SYSTIME 0x3814 -#define FM10K_SYSTIME_CFG 0x3818 -#define FM10K_SYSTIME_CFG_STEP_MASK 0x0000000F - /* PCIe state registers */ #define FM10K_PHYADDR 0x381C @@ -381,12 +376,6 @@ struct fm10k_hw; #define FM10K_VFSYSTIME 0x00040 #define FM10K_VFITR(_n) ((_n) + 0x00060) -/* Registers contained in BAR 4 for Switch management */ -#define FM10K_SW_SYSTIME_ADJUST 0x0224D -#define FM10K_SW_SYSTIME_ADJUST_MASK 0x3FFFFFFF -#define FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE 0x80000000 -#define FM10K_SW_SYSTIME_PULSE(_n) ((_n) + 0x02252) - enum fm10k_int_source { fm10k_int_mailbox = 0, fm10k_int_pcie_fault = 1, @@ -550,8 +539,6 @@ struct fm10k_mac_ops { struct fm10k_dglort_cfg *); void (*set_dma_mask)(struct fm10k_hw *, u64); s32 (*get_fault)(struct fm10k_hw *, int, struct fm10k_fault *); - s32 (*adjust_systime)(struct fm10k_hw *, s32 ppb); - u64 (*read_systime)(struct fm10k_hw *); }; enum fm10k_mac_type { @@ -643,7 +630,6 @@ struct fm10k_iov_ops { s32 (*set_lport)(struct fm10k_hw *, struct fm10k_vf_info *, u16, u8); void (*reset_lport)(struct fm10k_hw *, struct fm10k_vf_info *); void (*update_stats)(struct fm10k_hw *, struct fm10k_hw_stats_q *, u16); - s32 (*report_timestamp)(struct fm10k_hw *, struct fm10k_vf_info *, u64); }; struct fm10k_iov_info { @@ -667,7 +653,6 @@ struct fm10k_info { struct fm10k_hw { u32 __iomem *hw_addr; - u32 __iomem *sw_addr; void *back; struct fm10k_mac_info mac; struct fm10k_bus_info bus; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c index 91f8d73..86c358c 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2015 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -451,13 +451,6 @@ static s32 fm10k_update_xcast_mode_vf(struct fm10k_hw *hw, u16 glort, u8 mode) return mbx->ops.enqueue_tx(hw, mbx, msg); } -const struct fm10k_tlv_attr fm10k_1588_msg_attr[] = { - FM10K_TLV_ATTR_U64(FM10K_1588_MSG_TIMESTAMP), - FM10K_TLV_ATTR_LAST -}; - -/* currently there is no shared 1588 timestamp handler */ - /** * fm10k_update_hw_stats_vf - Updates hardware related statistics of VF * @hw: pointer to hardware structure @@ -509,52 +502,6 @@ static s32 fm10k_configure_dglort_map_vf(struct fm10k_hw *hw, return 0; } -/** - * fm10k_adjust_systime_vf - Adjust systime frequency - * @hw: pointer to hardware structure - * @ppb: adjustment rate in parts per billion - * - * This function takes an adjustment rate in parts per billion and will - * verify that this value is 0 as the VF cannot support adjusting the - * systime clock. - * - * If the ppb value is non-zero the return is ERR_PARAM else success - **/ -static s32 fm10k_adjust_systime_vf(struct fm10k_hw *hw, s32 ppb) -{ - /* The VF cannot adjust the clock frequency, however it should - * already have a syntonic clock with whichever host interface is - * running as the master for the host interface clock domain so - * there should be not frequency adjustment necessary. - */ - return ppb ? FM10K_ERR_PARAM : 0; -} - -/** - * fm10k_read_systime_vf - Reads value of systime registers - * @hw: pointer to the hardware structure - * - * Function reads the content of 2 registers, combined to represent a 64 bit - * value measured in nanoseconds. In order to guarantee the value is accurate - * we check the 32 most significant bits both before and after reading the - * 32 least significant bits to verify they didn't change as we were reading - * the registers. - **/ -static u64 fm10k_read_systime_vf(struct fm10k_hw *hw) -{ - u32 systime_l, systime_h, systime_tmp; - - systime_h = fm10k_read_reg(hw, FM10K_VFSYSTIME + 1); - - do { - systime_tmp = systime_h; - systime_l = fm10k_read_reg(hw, FM10K_VFSYSTIME); - systime_h = fm10k_read_reg(hw, FM10K_VFSYSTIME + 1); - } while (systime_tmp != systime_h); - - return ((u64)systime_h << 32) | systime_l; -} - static const struct fm10k_msg_data fm10k_msg_data_vf[] = { FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test), FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_msg_mac_vlan_vf), @@ -579,8 +526,6 @@ static const struct fm10k_mac_ops mac_ops_vf = { .rebind_hw_stats = fm10k_rebind_hw_stats_vf, .configure_dglort_map = fm10k_configure_dglort_map_vf, .get_host_state = fm10k_get_host_state_generic, - .adjust_systime = fm10k_adjust_systime_vf, - .read_systime = fm10k_read_systime_vf, }; static s32 fm10k_get_invariants_vf(struct fm10k_hw *hw) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_vf.h b/drivers/net/ethernet/intel/fm10k/fm10k_vf.h index c4439f1..f0932f9 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_vf.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k_vf.h @@ -1,5 +1,5 @@ /* Intel Ethernet Switch Host Interface Driver - * Copyright(c) 2013 - 2014 Intel Corporation. + * Copyright(c) 2013 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -29,7 +29,6 @@ enum fm10k_vf_tlv_msg_id { FM10K_VF_MSG_ID_MSIX, FM10K_VF_MSG_ID_MAC_VLAN, FM10K_VF_MSG_ID_LPORT_STATE, - FM10K_VF_MSG_ID_1588, FM10K_VF_MSG_ID_MAX, }; @@ -49,11 +48,6 @@ enum fm10k_tlv_lport_state_attr_id { FM10K_LPORT_STATE_MSG_MAX }; -enum fm10k_tlv_1588_attr_id { - FM10K_1588_MSG_TIMESTAMP, - FM10K_1588_MSG_MAX -}; - #define FM10K_VF_MSG_MSIX_HANDLER(func) \ FM10K_MSG_HANDLER(FM10K_VF_MSG_ID_MSIX, NULL, func) @@ -70,9 +64,5 @@ extern const struct fm10k_tlv_attr fm10k_lport_state_msg_attr[]; FM10K_MSG_HANDLER(FM10K_VF_MSG_ID_LPORT_STATE, \ fm10k_lport_state_msg_attr, func) -extern const struct fm10k_tlv_attr fm10k_1588_msg_attr[]; -#define FM10K_VF_MSG_1588_HANDLER(func) \ - FM10K_MSG_HANDLER(FM10K_VF_MSG_ID_1588, fm10k_1588_msg_attr, func) - extern const struct fm10k_info fm10k_vf_info; #endif /* _FM10K_VF_H */ |
