fm10k: drop 1588 support

The 1588 support within fm10k does not work correctly with the current
version of the switch management software, and likely never worked
correctly to begin with. Remove support for PTP/1588. Update copyright
year for all these files while we're touching them.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 1 insertions, 109 deletions

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
index a604513d0451..29e9402c4352 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],
-				     &timestamp);
-	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],
-				&timestamp, 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);