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if_link: Add an additional parameter to ifla_vf_info for RSS querying

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Add configuration setting for drivers to allow/block an RSS Redirection
Table and a Hash Key querying for discrete VFs.

On some devices VF share the mentioned above information with PF and
querying it may adduce a theoretical security risk. We want to let a
system administrator to decide if he/she wants to take this risk or not.

Signed-off-by: Vlad Zolotarov <vladz@cloudius-systems.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Vlad Zolotarov 2015-03-30 21:35:23 +03:00 • committed by Jeff Kirsher
commit 01a3d79681
4 changed files with 43 additions and 6 deletions
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include/linux/if_link.h
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@ -14,5 +14,6 @@ struct ifla_vf_info {
__u32 linkstate;
__u32 min_tx_rate;
__u32 max_tx_rate;
__u32 rss_query_en;
};
#endif /* _LINUX_IF_LINK_H */