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| author |   Jacob Keller <jacob.e.keller@intel.com> | 2014-01-11 07:20:06 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-03-21 02:51:24 -0700 |
| commit | 6ab5f7b2981e842e318ff48c708aaaa2a5a6a43e (patch) | |
| tree | 85d6d497fa2a0eebd9ba2f9af55eec3a528ec133 /drivers/net/ethernet/intel/igb/igb.h | |
| parent | ixgbevf: Additional adapter removal checks (diff) | |
| download | linux-dev-6ab5f7b2981e842e318ff48c708aaaa2a5a6a43e.tar.xz linux-dev-6ab5f7b2981e842e318ff48c708aaaa2a5a6a43e.zip | |
igb: implement SIOCGHWTSTAMP ioctl
This patch adds support for the SIOCGHWTSTAMP ioctl which enables user
processes to read the current hwtstamp_config settings
non-destructively. Previously a process had to be privileged and could
only set values, it couldn't return what is currently set without
possibly overwriting the value.
This patch adds support for this new operation into igb by keeping a
shadow copy of the config in the adapter structure, which is returned
upon request.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index a202c9640e93..411b213c63be 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -434,6 +434,7 @@ struct igb_adapter { struct delayed_work ptp_overflow_work; 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; spinlock_t tmreg_lock; @@ -545,8 +546,8 @@ static inline void igb_ptp_rx_hwtstamp(struct igb_ring *rx_ring, rx_ring->last_rx_timestamp = jiffies; } -int igb_ptp_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, - int cmd); +int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); +int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); #ifdef CONFIG_IGB_HWMON void igb_sysfs_exit(struct igb_adapter *adapter); int igb_sysfs_init(struct igb_adapter *adapter); |