From d89777bf0e42e7cb6ce8eae35190b9375c3b4211 Mon Sep 17 00:00:00 2001
From: Bruce Allan <bruce.w.allan@intel.com>
Date: Sat, 19 Jan 2013 01:09:58 +0000
Subject: e1000e: add support for IEEE-1588 PTP

Add PTP IEEE-1588 support and make accesible via the PHC subsystem.

v2: make e1000e_ptp_clock_info a static const struct per Stephen Hemminger

Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Reviewed-by: Jacob Keller <Jacob.e.keller@intel.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/e1000e/e1000.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'drivers/net/ethernet/intel/e1000e/e1000.h')

diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index dea9e5552966..bd5876171376 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -43,7 +43,8 @@
 #include <linux/if_vlan.h>
 #include <linux/clocksource.h>
 #include <linux/net_tstamp.h>
-
+#include <linux/ptp_clock_kernel.h>
+#include <linux/ptp_classify.h>
 #include "hw.h"
 
 struct e1000_info;
@@ -413,6 +414,8 @@ struct e1000_adapter {
 	spinlock_t systim_lock;	/* protects SYSTIML/H regsters */
 	struct cyclecounter cc;
 	struct timecounter tc;
+	struct ptp_clock *ptp_clock;
+	struct ptp_clock_info ptp_clock_info;
 };
 
 struct e1000_info {
@@ -427,6 +430,8 @@ struct e1000_info {
 	const struct e1000_nvm_operations *nvm_ops;
 };
 
+s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca);
+
 /* The system time is maintained by a 64-bit counter comprised of the 32-bit
  * SYSTIMH and SYSTIML registers.  How the counter increments (and therefore
  * its resolution) is based on the contents of the TIMINCA register - it
@@ -704,6 +709,8 @@ extern s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw);
 extern s32 e1000_check_polarity_igp(struct e1000_hw *hw);
 extern bool e1000_check_phy_82574(struct e1000_hw *hw);
 extern s32 e1000_read_emi_reg_locked(struct e1000_hw *hw, u16 addr, u16 *data);
+extern void e1000e_ptp_init(struct e1000_adapter *adapter);
+extern void e1000e_ptp_remove(struct e1000_adapter *adapter);
 
 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
 {
-- 
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