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net/sched: Reflect HW offload status

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Currently there is no way of querying whether a filter is
offloaded to HW or not when using "both" policy (where none
of skip_sw or skip_hw flags are set by user-space).

Add two new flags, "in hw" and "not in hw" such that user
space can determine if a filter is actually offloaded to
hw or not. The "in hw" UAPI semantics was chosen so it's
similar to the "skip hw" flag logic.

If none of these two flags are set, this signals running
over older kernel.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Amir Vadai <amir@vadai.me>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz
2017-02-16 10:31:12 +02:00
committed by David S. Miller
parent 7a335adad8
commit e696028acc
2 changed files with 9 additions and 2 deletions
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5
include/net/pkt_cls.h
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@@ -481,6 +481,11 @@ static inline bool tc_flags_valid(u32 flags)
return true;
}
static inline bool tc_in_hw(u32 flags)
{
return (flags & TCA_CLS_FLAGS_IN_HW) ? true : false;
}
enum tc_fl_command {
TC_CLSFLOWER_REPLACE,
TC_CLSFLOWER_DESTROY,