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net: ethernet: Add net_eth_get_ptp_clock_by_index() function

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This can be used to get the PTP clock if only network interface
index is known.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2019-05-24 14:43:56 +03:00
commit 11b06fab76
2 changed files with 34 additions and 0 deletions
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20
include/net/ethernet.h
View file

@ -682,6 +682,26 @@ static inline struct device *net_eth_get_ptp_clock(struct net_if *iface)
}
#endif
/**
* @brief Return PTP clock that is tied to this ethernet network interface
* index.
*
* @param index Network interface index
*
* @return Pointer to PTP clock if found, NULL if not found or if this
* ethernet interface index does not support PTP.
*/
#if defined(CONFIG_PTP_CLOCK)
struct device *net_eth_get_ptp_clock_by_index(int index);
#else
static inline struct device *net_eth_get_ptp_clock_by_index(int index)
{
ARG_UNUSED(index);
return NULL;
}
#endif
/**
* @brief Return gPTP port number attached to this interface.
*

14
subsys/net/l2/ethernet/ethernet.c
View file

@ -987,6 +987,20 @@ struct device *net_eth_get_ptp_clock(struct net_if *iface)
}
#endif /* CONFIG_PTP_CLOCK */
#if defined(CONFIG_PTP_CLOCK)
struct device *net_eth_get_ptp_clock_by_index(int index)
{
struct net_if *iface;
iface = net_if_get_by_index(index);
if (!iface) {
return NULL;
}
return net_eth_get_ptp_clock(iface);
}
#endif
#if defined(CONFIG_NET_GPTP)
int net_eth_get_ptp_port(struct net_if *iface)
{