| Message ID | 20200604112516.44949-1-sasha.neftin@intel.com |
|---|---|
| State | Accepted |
| Delegated to: | Jeff Kirsher |
| Headers | show |
| Series | [v1,1/1] igc: Add LPI counters | expand |
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of > Sasha Neftin > Sent: Thursday, June 4, 2020 4:25 AM > To: intel-wired-lan@lists.osuosl.org > Subject: [Intel-wired-lan] [PATCH v1 1/1] igc: Add LPI counters > > Add EEE TX LPI and EEE RX LPI counters. A EEE TX LPI event > occurs when the transmitter enters EEE (IEEE 802.3az) LPI > state. A EEE RX LPI event ocuurs when the receiver detect > link partner entry into EEE(IEEE 802.3az) LPI state. Are these counters exposed anywhere I can view them?
On 6/24/2020 04:05, Brown, Aaron F wrote: >> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of >> Sasha Neftin >> Sent: Thursday, June 4, 2020 4:25 AM >> To: intel-wired-lan@lists.osuosl.org >> Subject: [Intel-wired-lan] [PATCH v1 1/1] igc: Add LPI counters >> >> Add EEE TX LPI and EEE RX LPI counters. A EEE TX LPI event >> occurs when the transmitter enters EEE (IEEE 802.3az) LPI >> state. A EEE RX LPI event ocuurs when the receiver detect >> link partner entry into EEE(IEEE 802.3az) LPI state. > > Are these counters exposed anywhere I can view them? Just added relevant LPI registers. EEE support only in initial phase, many stuff will be added later. >
> From: Neftin, Sasha <sasha.neftin@intel.com> > Sent: Tuesday, June 23, 2020 8:24 PM > To: Brown, Aaron F <aaron.f.brown@intel.com>; intel-wired- > lan@lists.osuosl.org > Subject: Re: [Intel-wired-lan] [PATCH v1 1/1] igc: Add LPI counters > > On 6/24/2020 04:05, Brown, Aaron F wrote: > >> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf > Of > >> Sasha Neftin > >> Sent: Thursday, June 4, 2020 4:25 AM > >> To: intel-wired-lan@lists.osuosl.org > >> Subject: [Intel-wired-lan] [PATCH v1 1/1] igc: Add LPI counters > >> > >> Add EEE TX LPI and EEE RX LPI counters. A EEE TX LPI event > >> occurs when the transmitter enters EEE (IEEE 802.3az) LPI > >> state. A EEE RX LPI event ocuurs when the receiver detect > >> link partner entry into EEE(IEEE 802.3az) LPI state. > > > > Are these counters exposed anywhere I can view them? > Just added relevant LPI registers. EEE support only in initial phase, > many stuff will be added later. Ok, thanks. Tested-by: Aaron Brown <aaron.f.brown@intel.com>
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c index bc077f230f17..f3f7717b6233 100644 --- a/drivers/net/ethernet/intel/igc/igc_mac.c +++ b/drivers/net/ethernet/intel/igc/igc_mac.c @@ -307,6 +307,8 @@ void igc_clear_hw_cntrs_base(struct igc_hw *hw) rd32(IGC_ICRXDMTC); rd32(IGC_RPTHC); + rd32(IGC_TLPIC); + rd32(IGC_RLPIC); rd32(IGC_HGPTC); rd32(IGC_HGORCL); rd32(IGC_HGORCH); diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index d53f49833db5..eb3e8e70501d 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -188,6 +188,8 @@ #define IGC_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */ #define IGC_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Min Thresh Count */ #define IGC_RPTHC 0x04104 /* Rx Packets To Host */ +#define IGC_TLPIC 0x04148 /* EEE Tx LPI Count */ +#define IGC_RLPIC 0x0414C /* EEE Rx LPI Count */ #define IGC_HGPTC 0x04118 /* Host Good Packets Tx Count */ #define IGC_RXDMTC 0x04120 /* Rx Descriptor Minimum Threshold Count */ #define IGC_HGORCL 0x04128 /* Host Good Octets Received Count Low */
Add EEE TX LPI and EEE RX LPI counters. A EEE TX LPI event occurs when the transmitter enters EEE (IEEE 802.3az) LPI state. A EEE RX LPI event ocuurs when the receiver detect link partner entry into EEE(IEEE 802.3az) LPI state. Signed-off-by: Sasha Neftin <sasha.neftin@intel.com> --- drivers/net/ethernet/intel/igc/igc_mac.c | 2 ++ drivers/net/ethernet/intel/igc/igc_regs.h | 2 ++ 2 files changed, 4 insertions(+)