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| author | Andrew Lunn <andrew@lunn.ch> | 2020-04-20 00:11:50 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-20 12:43:24 -0700 |
| commit | eec517cdb4810b3843eb7707971de3164088bff1 (patch) | |
| tree | 082f3cf957cf9da4dfba2d2f57b36387faa8e9dc /include | |
| parent | 749d22e8f6d5645ed066ec434c0ce5327987c699 (diff) | |
| download | linux-stable-eec517cdb4810b3843eb7707971de3164088bff1.tar.gz linux-stable-eec517cdb4810b3843eb7707971de3164088bff1.tar.bz2 linux-stable-eec517cdb4810b3843eb7707971de3164088bff1.zip | |
net: Add IF_OPER_TESTING
RFC 2863 defines the operational state testing. Add support for this
state, both as a IF_LINK_MODE_ and __LINK_STATE_.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 41 | ||||
| -rw-r--r-- | include/uapi/linux/if.h | 1 |
2 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 130a668049ab..0750b54b3765 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -288,6 +288,7 @@ enum netdev_state_t { __LINK_STATE_NOCARRIER, __LINK_STATE_LINKWATCH_PENDING, __LINK_STATE_DORMANT, + __LINK_STATE_TESTING, }; @@ -3908,6 +3909,46 @@ static inline bool netif_dormant(const struct net_device *dev) /** + * netif_testing_on - mark device as under test. + * @dev: network device + * + * Mark device as under test (as per RFC2863). + * + * The testing state indicates that some test(s) must be performed on + * the interface. After completion, of the test, the interface state + * will change to up, dormant, or down, as appropriate. + */ +static inline void netif_testing_on(struct net_device *dev) +{ + if (!test_and_set_bit(__LINK_STATE_TESTING, &dev->state)) + linkwatch_fire_event(dev); +} + +/** + * netif_testing_off - set device as not under test. + * @dev: network device + * + * Device is not in testing state. + */ +static inline void netif_testing_off(struct net_device *dev) +{ + if (test_and_clear_bit(__LINK_STATE_TESTING, &dev->state)) + linkwatch_fire_event(dev); +} + +/** + * netif_testing - test if device is under test + * @dev: network device + * + * Check if device is under test + */ +static inline bool netif_testing(const struct net_device *dev) +{ + return test_bit(__LINK_STATE_TESTING, &dev->state); +} + + +/** * netif_oper_up - test if device is operational * @dev: network device * diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h index be714cd8c826..797ba2c1562a 100644 --- a/include/uapi/linux/if.h +++ b/include/uapi/linux/if.h @@ -178,6 +178,7 @@ enum { enum { IF_LINK_MODE_DEFAULT, IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */ + IF_LINK_MODE_TESTING, /* limit upward transition to testing */ }; /* |