diff options
| author |   Vinicius Costa Gomes <vinicius.gomes@intel.com> | 2019-12-02 15:19:50 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2020-01-06 14:19:31 -0800 |
| commit | 81b055205e8ba2d400c8fa5845ba540a4a880a3a (patch) | |
| tree | 95cb91733480eb08c7375ca830c272ed77a40e40 /drivers/net/ethernet/intel/igc/igc_regs.h | |
| parent | igc: Add basic skeleton for PTP (diff) | |
| download | wireguard-linux-81b055205e8ba2d400c8fa5845ba540a4a880a3a.tar.xz wireguard-linux-81b055205e8ba2d400c8fa5845ba540a4a880a3a.zip | |
igc: Add support for RX timestamping
This adds support for timestamping received packets.
It is based on the i210, as many features of i225 work the same way.
The main difference from i210 is that i225 has support for choosing
the timer register to use when timestamping packets. Right now, we
only support using timer 0. The other difference is that i225 stores
two timestamps in the receive descriptor, right now, we only retrieve
one.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_regs.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_regs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index b5c72430a18b..c82111051898 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -222,6 +222,9 @@ #define IGC_IMIREXT(_i) (0x05AA0 + ((_i) * 4)) /* Immediate INTR Ext*/ #define IGC_FTQF(_n) (0x059E0 + (4 * (_n))) /* 5-tuple Queue Fltr */ + +#define IGC_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */ + /* System Time Registers */ #define IGC_SYSTIML 0x0B600 /* System time register Low - RO */ #define IGC_SYSTIMH 0x0B604 /* System time register High - RO */ |