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ethtool: add compat for devlink info

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If driver did not fill the fw_version field, try to call into
the new devlink get_info op and collect the versions that way.
We assume ethtool was always reporting running versions.

v4:
 - use IS_REACHABLE() to avoid problems with DEVLINK=m (kbuildbot).
v3 (Jiri):
 - do a dump and then parse it instead of special handling;
 - concatenate all versions (well, all that fit :)).

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2019-01-31 10:50:47 -08:00 • committed by David S. Miller
parent 7c908f467d
commit ddb6e99e2d
3 changed files with 80 additions and 0 deletions
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10
include/net/devlink.h
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@ -972,4 +972,14 @@ devlink_info_version_running_put(struct devlink_info_req *req,
}
#endif
#if IS_REACHABLE(CONFIG_NET_DEVLINK)
void devlink_compat_running_version(struct net_device *dev,
char *buf, size_t len);
#else
static inline void
devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
{
}
#endif
#endif /* _NET_DEVLINK_H_ */