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Merge branch 'siocghwtstamp' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next

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Ben Hutchings says:

====================
SIOCGHWTSTAMP ioctl

1. Add the SIOCGHWTSTAMP ioctl and update the timestamping
documentation.
2. Implement SIOCGHWTSTAMP in most drivers that support SIOCSHWTSTAMP.
3. Add a test program to exercise SIOC{G,S}HWTSTAMP.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2013-12-05 19:45:14 -05:00
parent e1ca87bb1b a4bcc795e9
commit 426e1fa31e
23 changed files with 423 additions and 100 deletions
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16
include/uapi/linux/net_tstamp.h
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@@ -26,17 +26,17 @@ enum {
};
/**
* struct hwtstamp_config - %SIOCSHWTSTAMP parameter
* struct hwtstamp_config - %SIOCGHWTSTAMP and %SIOCSHWTSTAMP parameter
*
* @flags: no flags defined right now, must be zero
* @flags: no flags defined right now, must be zero for %SIOCSHWTSTAMP
* @tx_type: one of HWTSTAMP_TX_*
* @rx_type: one of one of HWTSTAMP_FILTER_*
* @rx_filter: one of HWTSTAMP_FILTER_*
*
* %SIOCSHWTSTAMP expects a &struct ifreq with a ifr_data pointer to
* this structure. dev_ifsioc() in the kernel takes care of the
* translation between 32 bit userspace and 64 bit kernel. The
* structure is intentionally chosen so that it has the same layout on
* 32 and 64 bit systems, don't break this!
* %SIOCGHWTSTAMP and %SIOCSHWTSTAMP expect a &struct ifreq with a
* ifr_data pointer to this structure. For %SIOCSHWTSTAMP, if the
* driver or hardware does not support the requested @rx_filter value,
* the driver may use a more general filter mode. In this case
* @rx_filter will indicate the actual mode on return.
*/
struct hwtstamp_config {
int flags;

3
include/uapi/linux/sockios.h
View File

@@ -125,7 +125,8 @@
#define SIOCBRDELIF 0x89a3 /* remove interface from bridge */
/* hardware time stamping: parameters in linux/net_tstamp.h */
#define SIOCSHWTSTAMP 0x89b0
#define SIOCSHWTSTAMP 0x89b0 /* set and get config */
#define SIOCGHWTSTAMP 0x89b1 /* get config */
/* Device private ioctl calls */