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| author | Vinicius Costa Gomes <vinicius.gomes@intel.com> | 2019-12-02 15:19:49 -0800 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2020-01-06 13:33:01 -0800 |
| commit | 5f2958052c5820d0795616fcc299097390cf92a8 (patch) | |
| tree | 94fbe73a4500926329f49dab799e54f14909a1fd /drivers/net/ethernet/intel/igc/igc.h | |
| parent | df2c2ba831a04083ad7485684896eeb090ca3c7d (diff) | |
| download | kernel_replicant_linux-5f2958052c5820d0795616fcc299097390cf92a8.tar.gz kernel_replicant_linux-5f2958052c5820d0795616fcc299097390cf92a8.tar.bz2 kernel_replicant_linux-5f2958052c5820d0795616fcc299097390cf92a8.zip | |
igc: Add basic skeleton for PTP
This allows the creation of the /dev/ptpX device for i225, and reading
and writing the time.
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.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 612fe9ec81a4..7586f237747a 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -10,6 +10,9 @@ #include <linux/vmalloc.h> #include <linux/ethtool.h> #include <linux/sctp.h> +#include <linux/ptp_clock_kernel.h> +#include <linux/timecounter.h> +#include <linux/net_tstamp.h> #include "igc_hw.h" @@ -45,11 +48,15 @@ extern char igc_driver_version[]; #define IGC_REGS_LEN 740 #define IGC_RETA_SIZE 128 +/* flags controlling PTP/1588 function */ +#define IGC_PTP_ENABLED BIT(0) + /* Interrupt defines */ #define IGC_START_ITR 648 /* ~6000 ints/sec */ #define IGC_FLAG_HAS_MSI BIT(0) #define IGC_FLAG_QUEUE_PAIRS BIT(3) #define IGC_FLAG_DMAC BIT(4) +#define IGC_FLAG_PTP BIT(8) #define IGC_FLAG_NEED_LINK_UPDATE BIT(9) #define IGC_FLAG_MEDIA_RESET BIT(10) #define IGC_FLAG_MAS_ENABLE BIT(12) @@ -432,6 +439,20 @@ struct igc_adapter { unsigned long link_check_timeout; struct igc_info ei; + + struct ptp_clock *ptp_clock; + struct ptp_clock_info ptp_caps; + struct work_struct ptp_tx_work; + struct sk_buff *ptp_tx_skb; + struct hwtstamp_config tstamp_config; + unsigned long ptp_tx_start; + unsigned long last_rx_ptp_check; + unsigned long last_rx_timestamp; + unsigned int ptp_flags; + /* System time value lock */ + spinlock_t tmreg_lock; + struct cyclecounter cc; + struct timecounter tc; }; /* igc_desc_unused - calculate if we have unused descriptors */ @@ -515,6 +536,11 @@ int igc_add_filter(struct igc_adapter *adapter, int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input); +void igc_ptp_init(struct igc_adapter *adapter); +void igc_ptp_reset(struct igc_adapter *adapter); +void igc_ptp_stop(struct igc_adapter *adapter); +int igc_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); +int igc_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); #define igc_rx_pg_size(_ring) (PAGE_SIZE << igc_rx_pg_order(_ring)) #define IGC_TXD_DCMD (IGC_ADVTXD_DCMD_EOP | IGC_ADVTXD_DCMD_RS) |