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e1000e: add support for IEEE-1588 PTP

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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>
This commit is contained in:
Bruce Allan
2013-01-19 01:09:58 +00:00
committed by Jeff Kirsher
parent 347b5201cb
commit d89777bf0e
8 changed files with 417 additions and 3 deletions
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11
drivers/net/ethernet/intel/e1000e/defines.h
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@@ -544,9 +544,20 @@
#define E1000_TSYNCRXCTL_VALID 0x00000001 /* Rx timestamp valid */
#define E1000_TSYNCRXCTL_TYPE_MASK 0x0000000E /* Rx type mask */
#define E1000_TSYNCRXCTL_TYPE_L2_V2 0x00
#define E1000_TSYNCRXCTL_TYPE_L4_V1 0x02
#define E1000_TSYNCRXCTL_TYPE_L2_L4_V2 0x04
#define E1000_TSYNCRXCTL_TYPE_ALL 0x08
#define E1000_TSYNCRXCTL_TYPE_EVENT_V2 0x0A
#define E1000_TSYNCRXCTL_ENABLED 0x00000010 /* enable Rx timestamping */
#define E1000_TSYNCRXCTL_SYSCFI 0x00000020 /* Sys clock frequency */
#define E1000_RXMTRL_PTP_V1_SYNC_MESSAGE 0x00000000
#define E1000_RXMTRL_PTP_V1_DELAY_REQ_MESSAGE 0x00010000
#define E1000_RXMTRL_PTP_V2_SYNC_MESSAGE 0x00000000
#define E1000_RXMTRL_PTP_V2_DELAY_REQ_MESSAGE 0x01000000
#define E1000_TIMINCA_INCPERIOD_SHIFT 24
#define E1000_TIMINCA_INCVALUE_MASK 0x00FFFFFF